Changelog: update

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
avcodec/hevc_mp4toannexb_bsf: Check NAL size against available input
2020-07-05 00:31:07 +02:00 · 2020-07-03 17:11:15 +02:00 · 2020-07-03 17:03:14 +02:00 · 2020-07-03 12:10:24 +02:00 · 2020-07-03 12:10:24 +02:00 · 2020-07-03 12:10:24 +02:00
396 changed files with 5379 additions and 2075 deletions
--- a/797
+++ b/797
@@ -1,6 +1,802 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.

+
+version 4.1.6:
+ avcodec/hevc_mp4toannexb_bsf: Check NAL size against available input
+ avcodec/dstdec: Replace AC overread check by sample rate check
+ avformat/utils: reorder duration computation to avoid overflow
+ avcodec/pngdec: Check for fctl after idat
+ avformat/hls: Pass a copy of the URL for probing
+ avformat/hls: check segment duration value of EXTINF
+ avutil/common: Fix integer overflow in av_ceil_log2_c()
+ avcodec/wmalosslessdec: fix overflow with pred in revert_cdlms
+ avformat/mvdec: Fix integer overflow with billions of channels
+ avformat/microdvddec: skip malformed lines without frame number.
+ avformat/mxfdec: free duplicated utf16 strings
+ avformat/4xm: Check that a video stream was created before returning packets for it
+ avcodec/ffwavesynth: Avoid undefined operation on ts overflow
+ avcodec/mpeg4videodec: Fix 2 integer overflows in get_amv()
+ avcodec/lossless_audiodsp: Fix undefined overflows in scalarproduct_and_madd_int16_c()
+ avcodec/sonic: Fix several integer overflows
+ avcodec/mpeg4videodec: avoid invalid values and reinitialize in format changes for studio profile
+ avcodec/pixlet: Fix log(0) check
+ avcodec/iff: Fix off by x error
+ avcodec/wmalosslessdec: Check block_align maximum
+ avcodec/loco: Fix signed integer overflow in loco_get_rice()
+ avformat/thp: Check fps
+ avformat/mpl2dec: Fix integer overflow with duration
+ avcodec/mpeg12dec: remove outdated comments
+ avcodec/snowdec: Avoid integer overflow with huge qlog
+ avformat/mov: Check if DTS is AV_NOPTS_VALUE in mov_find_next_sample().
+ avcodec/mpeg12dec: Fix got_output
+ avformat/4xm: Cleanup on GET_LIST_HEADER() failure
+ avcodec/lzf: Consider the needed size in reallocation
+ avformat/mlvdec: fail reading a packet with 0 streams
+ avformat/thp: Check compcount
+ avcodec/adpcm: XA: Check shift similar to filter
+ avcodec/huffyuvdec: Test vertical coordinate more often
+ avcodec/hq_hqa: Check info size
+ avcodec/wmalosslessdec: Fix integer overflow in mclms_predict()
+ avcodec/vp9dsp_template: Fix integer overflow(s) in iadst16_1d()
+ avcodec/h264dec: Disable forced small_padding on flag2 fast
+ avformat/oggparsevorbis: Error out on double init of vp
+ avcodec/pnmdec: Use unsigned for maxval rescaling
+ avcodec/ivi: Clear got_p_frame before decoding a new frame using it
+ avcodec/dsddec: Check channels
+ avcodec/xvididct: Fix integer overflow in idct_row()
+ avcodec/wmalosslessdec: Fix integer overflows in revert_inter_ch_decorr()
+ avcodec/cbs_jpeg: Fix infinite loop in cbs_jpeg_split_fragment()
+ avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE
+ avformat/swfenc: Fix integer overflow in frame rate handling
+ avformat/aadec: Check toc_size to contain the minimum to demuxer uses
+ avcodec/cbs_h265_syntax_template: Limit num_long_term_pics more strictly
+ avformat/mov: Don't allow negative sample sizes.
+ mpeg4videoenc: Don't crash with -fsanitize=bounds
+ avformat/mpegts: Shuffle avio_seek
+ avcodec/binkaudio: Fix 2Ghz sample_rate
+ avcodec/adpcm: Fix integer overflow in ADPCM THP
+ avcodec/ralf: Check num_blocks before use
+ avcodec/iff: Test video_size being non zero
+ avcodec/utvideodec: Fix integer overflow in decode_plane()
+ avcodec/ttadsp: Fix several integer overflows in tta_filter_process_c()
+ avcodec/ralf: Fix integer overflow in decode_block()
+ avcodec/nuv: widen buf_size type
+ avcodec/iff: Fix several integer overflows
+ avcodec/g729postfilter: Clip gain before scaling with AGC_FAC1
+ avcodec/alac: Fix integer overflow with 24/20bps samples
+ avcodec/dstdec: Check sample rate
+ avformat/thp: Require a video stream
+ avformat/mpeg: Decrease score by 1 for files with very little valid data
+ avcodec/pngdec: Check length in fdAT
+ avcodec/g2meet: Check tile_width in epic_jb_decode_tile()
+ avcodec/hapdec: Check tex_size more strictly and before using it
+ avcodec/vp9dsp_template: Fix integer overflows in idct32_1d()
+ avcodec/alacdsp: Fix invalid shift in append_extra_bits()
+ libavcodec/wmalosslessdec: prevent sum of positive numbers from becoming negative
+ avcodec/dstdec: Fix integer overflow in read_table()
+ avcodec/txd: Check for input size against the header size.
+ avcodec/svq1dec: Check that there is data left after the header
+ avcodec/cbs_h265_syntax_template: Check num_negative/positive_pics when inter_ref_pic_set_prediction_flag is set
+ avcodec/intrax8: Check for end of bitstream in ff_intrax8_decode_picture()
+ avcodec/hevc_mp4toannexb_bsf: Check nalu_size
+ avcodec/iff: Check length before memcpy() in decode_deep_rle32()
+ avcodec/iff: Fix invalid pointer intermediates in decode_deep_rle32()
+ avcodec/pngdec: Pass ret from decode_iccp_chunk()
+ avcodec/rv40dsp: Fix integer overflows in rv40_weight_func_*()
+ avcodec/ac3dec_fixed: Fix several invalid left shifts in scale_coefs()
+ avcodec/flac_parser: Do not lose header count in find_headers_search()
+ avcodec/audiodsp: Fix integer overflow in scalarproduct_int16_c()
+ avcodec/cbs_jpeg_syntax_template: Check array index in huffman_table()
+ avcodec/cbs_jpeg_syntax_template: Check table index before use in dht()
+ avformat/oggdec: Check for EOF after page header
+ swscale/yuv2rgb: Fix vertical dither offset with slices
+ avcodec/dpcm: clip exponent into supported range in XAN DPCM
+ avcodec/flacdsp_template: Fix invalid shifts in decorrelate
+ avcodec/xvididct: Fix integer overflow in MULT()
+ avcodec/ffwavesynth: Correct undefined overflow of PINK_UNIT
+ avcodec/cbs_h264_syntax_template: fix off by 1 error with slice_group_change_cycle
+ swscale/output: Fix integer overflow in yuv2rgb_write_full() with out of range input
+ swscale/output: Fix integer overflow in alpha computation in yuv2gbrp16_full_X_c()
+ libavformat/amr.c: Check return value from avio_read()
+ libavformat/mov.c: Free aes_decrypt to avoid leaking memory
+ libavformat/oggdec.c: Check return value from avio_read()
+ avformat/asfdec_f: Fix overflow check in get_tag()
+ avformat/nsvdec: Fix memleaks on errors while reading the header
+ avcodec/ffwavesynth: Fix integer overflow in computation of ddphi
+ avcodec/cbs_jpeg: Check length for SOS
+ avcodec/adpcm: Fix invalid shift in AV_CODEC_ID_ADPCM_PSX
+ avcodec/mpeg12dec: Fix invalid shift in mpeg2_fast_decode_block_intra()
+ avcodec/cbs_h2645: Treat slices without data as invalid
+ avcodec/cbs_h2645: Remove dead code to delete trailing zeroes
+ avcodec/cbs_av1_syntax_template: Set seen_frame_header only after successfull uncompressed_header()
+ avcodec/mpegaudioenc_template: fix invalid shift of sample
+ avcodec/motion_est_template: Fix invalid shifts in no_sub_motion_search()
+ libavformat/avienc: Check bits per sample for PAL8
+ avformat/mpegts: Improve the position determination for avpriv_mpegts_parse_packet()
+ avcodec/magicyuv: Check that there are enough lines for interlacing to be possible
+ avformat/mvdec: Check stream numbers
+ avcodec/pcm: Fix invalid shift in AV_CODEC_ID_PCM_LXF
+ avcodec/qdm2: Check fft_coefs_index
+ avformat/utils: Fix integer overflow with complex time bases in avformat_find_stream_info()
+ avformat/avidec: Avoid integer overflow in NI switch check
+ fftools/ffmpeg: Fix integer overflow in duration computation in seek_to_start()
+ avfilter/vf_aspect: Fix integer overflow in compute_dar()
+ avcodec/apedec: Fix invalid shift with 24 bps
+ avformat/utils: Fix undefined behavior in ff_configure_buffers_for_index()
+ avcodec/dpcm: Fix integer overflow in AV_CODEC_ID_GREMLIN_DPCM
+ avcodec/wmalosslessdec: Fix integer overflow with sliding in padding bits
+ avcodec/wmalosslessdec: Fix loop in revert_acfilter()
+ avcodec/lagarith: Sanity check scale
+ avcodec/apedec: Fix integer overflows in predictor_decode_mono_3950()
+ avcodec/ralf: Fix integer overflow in apply_lpc()
+ avcodec/dca_lbr: Fix some error codes and error passing
+ avcodec/wmavoice: Fix rounding and integer anomalies in calc_input_response()
+ avcodec/wmavoice: sanity check block_align
+ avcodec/pcm: Fix invalid shift in pcm_decode_frame for LXF
+ avcodec/snappy: Sanity check bytestream2_get_levarint()
+ avcodec/mlpdsp: Fix a invalid shift in ff_mlp_rematrix_channel()
+ avcodec/avdct: Clear IDCTDSPContext context
+ avcodec/x86/diracdsp: Fix high bits on Windows x86_64
+ avformat/mov: Check STCO location
+ avcodec/wmalosslessdec: Fix multiple integer overflows
+ avcodec/apedec: Fix undefined integer overflow in decode_array_0000()
+ avcodec/smacker: Check space before decoding type
+ avcodec/rawdec: Use linesize in b64a
+ avcodec/iff: Over-allocate ham_palbuf for HAM6 IFF-PBM
+ avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()
+ avfilter/vf_find_rect: Remove assert
+ avfilter/vf_find_rect: Increase worst case score
+ swscale/input: Fix several invalid shifts related to rgb2yuv constants
+ swscale/output: Fix several invalid shifts in yuv2rgb_full_1_c_template()
+ swscale/swscale: Fix several invalid shifts related to vChrDrop
+ avcodec/hevc_mp4toannexb_bsf: check that nalu size doesnt overflow
+ avcodec/hevc_mp4toannexb_bsf: Avoid NULL memcpy()
+ avcodec/cbs_av1: Check leb128 values read
+ avcodec/wmalosslessdec: move channel check up
+ avcodec/cbs_h2645: Skip all 0 NAL units
+ avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS
+ avcodec/alac: Fix integer overflow in LPC coefficient adaption
+ avcodec/g729postfilter: Optimize out overflowing multiplication from apply_tilt_comp()
+ avcodec/vc1dec: Check field_mode for sprites
+ avcodec/vc1dec: Limit bits by the actual bitstream size
+ avcodec/vmdaudio: Check block_align more
+ avformat/mov: fix memleaks
+ libavformat/mov: Fix memleaks when demuxing DV audio
+ avformat/mov: Fix reel_name size check
+ avformat/mov: Fix memleak upon encountering repeating tags
+ avformat/matroskaenc: Don't use NULL for %s format string
+ avformat/webvttdec: Fix memleak upon read header failure
+ avformat/vplayerdec: Fix memleak upon read header failure
+ avformat/tedcaptionsdec: Fix memleak upon read header failure
+ avformat/subviewerdec: Fix memleak upon read header failure
+ avformat/subviewer1dec: Fix memleak upon read header failure
+ avformat/stldec: Fix memleak upon read header failure
+ avformat/srtdec: Fix memleak upon read header failure
+ avformat/sccdec: Fix memleak upon read header failure
+ avformat/samidec: Fix memleak upon read header failure
+ avformat/pjsdec: Fix memleak upon read header failure
+ avformat/mpsubdec: Fix memleak upon read header failure
+ avformat/mpl2dec: Fix memleak upon read header failure
+ avformat/microdvddec: Fix memleak upon read header failure
+ avformat/lrcdec: Fix memleak upon read header failure
+ avformat/jacosubdec: Fix memleak upon read header failure
+ avformat/assdec: Fix memleak upon read header failure
+ avformat/aqtitledec: Fix memleak upon read header failure
+ avformat/mov: Fix memleaks upon read_header failure
+ avformat/omadec: Fix memleaks upon read_header failure
+ avformat/matroskadec: Fix memleaks in WebM DASH manifest demuxer
+ avformat/matroskadec: Use right number of tracks
+ avformat/matroskadec: Fix handling gigantic durations
+ avcodec/cinepakenc: Fix invalid shifts
+ avcodec/cbs_h2645: Fix potential out-of-bounds array access
+ h264_redundant_pps: Fix memleak in case of errors
+ avformat/aviobuf: Don't check for overflow after it happened
+ avformat/matroskaenc: Fix memleak upon encountering bogus chapter
+ fftools/ffmpeg_opt: Check attachment filesize
+ avformat/webmdashenc: Check codec types
+ avformat/avidec: Fix memleak with embedded GAB2 subtitles
+ avformat/webmdashenc: Fix memleak upon realloc failure
+ avformat/matroskadec: Don't discard the upper 32bits of TrackNumber
+ avformat/hnm: Check for extradata allocation failure
+ avformat/subtitles: Don't increment packet counter prematurely
+ avformat/bethsoftvid: Fix potential memleak upon reallocation failure
+ avformat/smoothstreaming: Fix memleaks on errors
+ avformat/matroskaenc: Check BlockAdditional size before use
+ avformat/utils: Fix memleaks in avformat_open_input()
+ avcodec/cavsdsp: Fix undefined left shifts of negative numbers
+ avformat/mov: Don't leak MOVFragmentStreamInfo on error
+ avformat/mov: Free encryption data on error
+ avformat/hevc: Fix potential leak in case of ff_hevc_annexb2mp4_buf failure
+ avformat/matroskaenc: Check for reformatting errors
+ avcodec/ra144enc: Fix invalid left shift of negative number
+ avcodec/adxenc: Avoid undefined left shift of negative numbers
+ avcodec/adpcm: Fix undefined left shifts of negative numbers
+ avformat/segafilmenc: Fix undefined left shift of 1 by 31 places
+ avcodec/proresenc_anatoliy: Fix invalid left shift of negative number
+ avformat/wtvdec: Fix memleak when reading header fails
+ avformat/fitsdec: Fix potential leak of string in AVBPrint
+ avformat/matroskadec: Fix use-after-free when demuxing ProRes
+ avformat/matroskadec: Fix demuxing ProRes
+ avformat/av1: Fix leak of dynamic buffer in case of parsing failure
+ fftools/ffmpeg: Free swresample dictionary during cleanup
+ avfilter/vf_xbr: Fix left shift of negative number
+ avfilter/vf_hqx: Fix undefined left shifts of negative numbers
+ avcodec/jpeg2000dwt: Fix undefined shifts of negative numbers
+ avcodec/ituh263dec: Fix undefined left shift of negative number
+ avcodec/dnxhdenc: Fix undefined left shifts of negative numbers
+ swscale/utils: Fix invalid left shifts of negative numbers
+ swscale/x86/swscale: Fix undefined left shifts of negative numbers
+ avcodec/exr: Fix undefined left shifts of negative numbers
+ avformat/movenc: Fix undefined shift
+ avcodec/pcm: Fix undefined shifts
+ avcodec/wavpackenc: Fix undefined shifts
+ avutil/encryption_info: Don't pass NULL to memcpy
+ avcodec/ac3enc: Fix invalid shift
+ avcodec/tdsc: Fix undefined shifts
+ fftools/ffmpeg_opt: Fix signed integer overflow
+ avformat/mov: Fix memleak
+ avcodec/ttaenc: Fix undefined shift
+ lavf/webm_chunk: Fix NULL dereference
+ avcodec/cbs_av1: Fix writing uvlc numbers >= INT_MAX
+ avcodec/bitstream: Don't check for undefined behaviour after it happened
+ libavcodec/libvpxenc: Don't free user-provided AVPacket
+ libavcodec/libmp3lame: Don't free user-provided AVPacket
+ avcodec/libopusenc: Don't free user-provided AVPacket
+ avcodec/cbs_h265: fix writing extension_data bits
+ avformat/matroskadec: Fix default value of BlockAddID
+ avformat/dashdec: Don't allocate and leak strings that are never used
+
+version 4.1.5:
+- Changelog: Fix formating for 4.1.4
+- avcodec/cbs_av1: avoid reading trailing bits when obu type is OBU_TILE_LIST
+- avcodec/av1_parser: skip frames with spatial_id > 0
+- cbs_h264: Fix missing inferred colour description fields
+- avcodec/cbs_av1: keep separate reference frame state for reading and writing
+- avcodec/cbs_av1: fix reading reference order hint in skip_mode_params()
+- configure: bump year
+- avcodec/pgssubdec: Free subtitle on error
+- avcodec/ffwavesynth: Fix undefined overflow in wavesynth_synth_sample()
+- avcodec/cook: Use 3 stage VLC decoding for channel_coupling
+- avcodec/wmalosslessdec: Fixes undefined overflow in dequantization in decode_subframe()
+- avcodec/sonic: Check e in get_symbol()
+- avcodec/twinvqdec: Correct overflow in block align check
+- avcodec/vc1dec: Fix "return -1" cases
+- avcodec/vc1dec: Free sprite_output_frame on error
+- avcodec/atrac9dec: Clamp band_ext_data to max that can be read if skipped.
+- avcodec/wmadec: Keep track of exponent initialization per channel
+- avcodec/iff: Check that video_size is large enough for the read parameters
+- avcodec/cbs_vp9: Check data_size
+- avcodec/cbs_vp9: Check index_size
+- avcodec/adpcm: Clip predictor for APC
+- avcodec/targa: Check colors vs. available space
+- avcodec/dstdec: Use get_ur_golomb_jpegls()
+- avcodec/wmavoice: Check remaining input in parse_packet_header()
+- avcodec/wmalosslessdec: Fix 2 overflows in mclms
+- avcodec/wmaprodec: Fixes integer overflow with 32bit samples
+- avcodec/adpcm: Fix invalid shift in xa_decode()
+- avcodec/wmalosslessdec: Fix several integer issues
+- avcodec/wmalosslessdec: Check that padding bits is not more than sample bits
+- avcodec/iff: Skip overflowing runs in decode_delta_d()
+- avcodec/pnm: Check that the header is not truncated
+- avcodec/mp3_header_decompress_bsf: Check sample_rate_index
+- avcodec/cbs_av1_syntax_template: Check num_y_points
+- avcodec/cbs_av1: fix array size for ar_coeffs_cb_plus_128 and ar_coeffs_cr_plus_128
+- avformat/rmdec: Initialize and sanity check offset in ivr_read_header()
+- avcodec/apedec: Fix 2 integer overflows
+- avformat/id3v2: Fix double-free on error
+- avcodec/wmaprodec: Set packet_loss when we error out on a sanity check
+- avcodec/wmaprodec: Check offset
+- avcodec/truemotion2: Fix 2 integer overflows in tm2_low_res_block()
+- avcodec/wmaprodec: Check if the channel sum of all internal contexts match the external
+- avcodec/atrac9dec: Check q_unit_cnt more completely before using it to access at9_tab_band_ext_group
+- avcodec/fitsdec: Use lrint()
+- avcodec/g729dec: require buf_size to be non 0
+- avcodec/alac: Fix integer overflow in lpc_prediction() with sign
+- avcodec/wmaprodec: Fix buflen computation in save_bits()
+- avcodec/vc1_block: Fix integer overflow in AC rescaling in vc1_decode_i_block_adv()
+- avcodec/vmdaudio: Check chunk counts to avoid integer overflow
+- avformat/mxfdec: Clear metadata_sets_count in mxf_read_close()
+- avcodec/nuv: Use ff_set_dimensions()
+- avcodec/ffwavesynth: Fix integer overflow with pink_ts_cur/next
+- avcodec/ralf: Fix integer overflows with the filter coefficient in decode_channel()
+- avcodec/g729dec: Use 64bit and clip in scalar product
+- avcodec/mxpegdec: Check for multiple SOF
+- avcodec/nuv: Move comptype check up
+- avcodec/wmavoice: Fix integer overflow in synth_frame()
+- avcodec/rawdec: Check bits_per_coded_sample more pedantically for 16bit cases
+- avutil/lfg: Correct index increment type to avoid undefined behavior
+- avcodec/cngdec: Remove AV_CODEC_CAP_DELAY
+- avcodec/iff: Move index use after check in decodeplane8()
+- avcodec/atrac3: Check for huge block aligns
+- avcodec/ralf: use multiply instead of shift to avoid undefined behavior in decode_block()
+- avcodec/wmadec: Require previous exponents for reuse
+- avcodec/vc1_block: Fix undefined behavior in ac prediction rescaling
+- avcodec/qdm2: The smallest header seems to have 2 bytes so treat 1 as invalid
+- avcodec/apedec: Fixes integer overflow of res+*data in do_apply_filter()
+- avcodec/sonic: Fix integer overflow in predictor_calc_error()
+- avcodec/atrac9dec: Check precision_fine/coarse
+- avformat/mp3dec: Check that the frame fits within the probe buffer
+- avcodec/wmaprodec: get frame during frame decode
+- avcodec/interplayacm: Fix overflow of last unused value
+- avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI
+- avcodec/cook: Move up and extend block_align check
+- avcodec/sbcdec: Fix integer overflows in sbc_synthesize_four()
+- avcodec/twinvq: Check block_align
+- avcodec/cook: Enlarge gain table
+- avcodec/cook: Check samples_per_channel earlier
+- avcodec/atrac3plus: Check split point in fill mode 3
+- avcodec/wmavoice: Check sample_rate
+- avcodec/xsubdec: fix overflow in alpha handling
+- avcodec/iff: Check available space before entering loop in decode_long_vertical_delta2() / decode_long_vertical_delta()
+- avcodec/apedec: Fix integer overflow in filter_3800()
+- avutil/lfg: Document the AVLFG struct
+- avcodec/ffv1dec: Use a different error message for the slice level CRC
+- avcodec/apedec: Fix undefined integer overflow in long_filter_ehigh_3830()
+- avcodec/dstdec: Check that AC probabilities are within range
+- avcodec/dstdec: Check read_table() for failure
+- avcodec/snowenc: Set mb_num to avoid ratecontrol floating point divisions by 0.0
+- avcodec/snowenc: Fix 2 undefined shifts
+- avformat/nutenc: Do not pass NULL to memcmp() in get_needed_flags()
+- avcodec/aptx: Check the number of channels
+- avcodec/aacdec_template: Check samplerate
+- avcodec/truemotion2: Fix several integer overflows in tm2_low_res_block()
+- avcodec/utils: Check block_align
+- avcodec/wmalosslessdec: Fix some integer anomalies
+- avcodec/adpcm: Fix invalid shifts in ADPCM DTK
+- avcodec/apedec: Only clear the needed buffer space, instead of all
+- avcodec/libvorbisdec: Fix insufficient input checks leading to out of array reads
+- avcodec/g723_1dec: fix invalid shift with negative sid_gain
+- avcodec/vp5: Check render_x/y
+- avcodec/qdrw: Check input for header/skiped space before get_buffer()
+- avcodec/ralf: Skip initializing unused filter variables
+- avcodec/takdec: Fix overflow with large sample rates
+- avcodec/atrac9dec: Set channels
+- avcodec/alsdec: Check that input space for header exists in read_diff_float_data()
+- avformat/pjsdec: Check duration for overflow
+- avcodec/ptx: Check that the input contains at least one line
+- avcodec/alac: Fix integer overflow in LPC
+- avcodec/smacker: Fix integer overflows in pred[] in smka_decode_frame()
+- avcodec/aliaspixdec: Check input size against minimal picture size
+- avcodec/ffwavesynth: Fix integer overflows in pink noise addition
+- avcodec/vc1_block: Fixes integer overflow in vc1_decode_i_block_adv()
+- avcodec/wmalosslessdec: Check block_align
+- avcodec/g729postfilter: Fix left shift of negative value
+- avcodec/binkaudio: Check sample rate
+- avcodec/sbcdec: Fix integer overflows in sbc_synthesize_eight()
+- avcodec/adpcm: Check initial predictor for ADPCM_IMA_EA_EACS
+- avcodec/g723_1dec: Fix overflow in shift
+- avcodec/apedec: Fix integer overflow in predictor_update_3930()
+- avcodec/g729postfilter: Fix undefined intermediate pointers
+- avcodec/g729postfilter: Fix undefined shifts
+- avcodec/lsp: Fix undefined shifts in lsp2poly()
+- avcodec/adpcm: Fix left shifts in AV_CODEC_ID_ADPCM_EA
+- avformat/shortendec: Check k in probe
+- avfilter/vf_geq: Use av_clipd() instead of av_clipf()
+- avcodec/wmaprodec: Check that the streams channels do not exceed the overall channels
+- avcodec/qdmc: Check input space in qdmc_get_vlc()
+- avcodec/pcm: Check bits_per_coded_sample
+- avcodec/exr: Allow duplicate use of channel indexes
+- avcodec/fitsdec: Fail on 0 naxisn
+- avcodec/dxv: Subtract 12 earlier in dxv_decompress_cocg()
+- libavcodec/dxv: Remove redundant seek
+- avcodec/ituh263dec: Check input for minimal frame size
+- avcodec/truemotion1: Check that the input has enough space for a minimal index_stream
+- avformat/mpsubdec: Clear queue on error
+- avcodec/sunrast: Check that the input is large enough for the maximally compressed image
+- avcodec/sunrast: Check for availability of maplength before allocating image
+- avformat/subtitles: Check nb_subs in ff_subtitles_queue_finalize()
+- avcodec/vc1_block: Fix invalid left shift in vc1_decode_p_mb()
+- avcodec/wmaprodec: Check if there is a stream
+- avcodec/g2meet: Check for end of input in jpg_decode_block()
+- avcodec/g2meet: Check if adjusted pixel was on the stack
+- avformat/electronicarts: If no packet has been read at the end do not treat it as if theres a packet
+- avcodec/dxv: Check op_offset in dxv_decompress_yo()
+- avcodec/utils: Check sample_rate before opening the decoder
+- avcodec/aptx: Fix multiple shift anomalies
+- avcodec/fitsdec: fix use of uninitialised values
+- avcodec/motionpixels: Mark 2 functions as always_inline
+- avcodec/ituh263dec: Make the condition for the studio slice start code match between ff_h263_resync() and ff_mpeg4_decode_studio_slice_header()
+- avcodec/ralf: Fix integer overflow in decode_channel()
+- vcodec/vc1: compute rangex/y only for P/B frames
+- avcodec/vc1_pred: Fix invalid shifts in scaleforopp()
+- avcodec/vc1_block: Fix invalid shift with rangeredfrm
+- avcodec/vc1: Check for excessive resolution
+- avcodec/vc1: check REFDIST
+- avcodec/apedec: Fix several integer overflows in predictor_update_filter() and do_apply_filter()
+- avcodec/hevc_cabac: Tighten the limit on k in ff_hevc_cu_qp_delta_abs()
+- avcodec/4xm: Check index in decode_i_block() also in the path where its not used.
+- avcodec/loco: Check for end of input in the first line
+- avcodec/atrac3: Check block_align
+- avcodec/alsdec: Avoid dereferencing context pointer in inner interleave loop
+- avcodec/fitsdec: Prevent division by 0 with huge data_max
+- avcodec/dstdec: Fix integer overflow in samples_per_frame computation
+- avcodec/g729_parser: Check block_size
+- avcodec/sbcdec: Initialize number of channels
+- avcodec/utils: Optimize ff_color_frame() using memcpy()
+- avcodec/aacdec: Check if we run out of input in read_stream_mux_config()
+- avcodec/utils: Use av_memcpy_backptr() in ff_color_frame()
+- avcodec/smacker: Fix integer overflow in signed int multiply in SMK_BLK_FILL
+- avcodec/alac: Fix invalid shifts in 20/24 bps
+- avcodec/alac: fix undefined behavior with INT_MIN in lpc_prediction()
+- avcodec/ffwavesynth: Fix integer overflow in timestamps
+- avcodec/dxv: Check op_offset in both directions
+- avcodec/adpcm: Check number of channels for MTAF
+- avcodec/sunrast: Fix indention
+- avcodec/sunrast: Fix return type for "unsupported (compression) type"
+- avcodec/utils: Check channels fully earlier
+- avformat/mov: Check for EOF in mov_read_meta()
+- avcodec/hevcdec: Fix memleak of a53_caption
+- avformat/cdxl: Fix integer overflow in intermediate
+- avcodec/hevcdec: repeat character in skiped
+- avcodec/gdv: Replace assert() checking bitstream by if()
+- libavcodec/utils: Free threads on init failure
+- avcodec/htmlsubtitles: Avoid locale dependant isdigit()
+- avcodec/alsdec: Check k from being outside what our implementation can handle
+- avcodec/takdec: Fix integer overflow in decorrelate()
+- avcodec/aacps: Fix integer overflows in hybrid_synthesis()
+- avcodec/mpeg4videodec: Fix integer overflow in mpeg4_decode_studio_block()
+- avcodec/vp56rac: delay signaling an error on truncated input
+- avcodec/qdm2: Check frame size
+- avcodec/vc1_pred: Fix refdist in scaleforopp()
+- avcodec/vorbisdec: fix FASTDIV usage for vr_type == 2
+- avcodec/iff: Check for overlap in cmap_read_palette()
+- avcodec/apedec: Fix 32bit int overflow in do_apply_filter()
+- avcodec/ralf: fix undefined shift in extend_code()
+- avcodec/ralf: fix undefined shift
+- avcodec/bgmc: Check input space in ff_bgmc_decode_init()
+- avcodec/truemotion2: Fix multiple integer overflows in tm2_null_res_block()
+- avcodec/vc1_block: Check the return code from vc1_decode_p_block()
+- avcodec/vc1dec: Require res_sprite for wmv3images
+- avcodec/vc1_block: Check for double escapes
+- avcodec/vorbisdec: Check get_vlc2() failure
+- avcodec/tta: Fix integer overflow in prediction
+- avcodec/vb: Check input packet size to be large enough to contain flags
+- avcodec/cavsdec: Limit the number of access units per packet to 2
+- avcodec/atrac9dec: Check block_align
+- avcodec/alac: Check for bps of 0
+- avcodec/alac: Fix multiple integer overflows in lpc_prediction()
+- avcodec/rl2: set dimensions
+- avcodec/aacdec: Add FF_CODEC_CAP_INIT_CLEANUP
+- avcodec/idcinvideo: Add 320x240 default maximum resolution
+- avformat/realtextdec: free queue on error
+- avcodec/vp5/6/8: use vpX_rac_is_end()
+- avcodec/alsdec: Fix integer overflow in decode_var_block_data()
+- avcodec/alsdec: Limit maximum channels to 512
+- avcodec/anm: Check input size for a frame with just a stop code
+- avcodec/flicvideo: Optimize and Simplify FLI_COPY in flic_decode_frame_24BPP() by using bytestream2_get_buffer()
+- avcodec/loco: Check left column value
+- avcodec/ffwavesynth: Fixes invalid shift with pink noise seeking
+- avcodec/ffwavesynth: Fix integer overflow for some corner case values
+- avcodec/indeo2: Check remaining input more often
+- avcodec/diracdec: Check that slices are fewer than pixels
+- avcodec/vp56: Consider the alpha start as end of the prior header
+- avcodec/4xm: Check for end of input in decode_p_block()
+- avcodec/hevcdec: Check delta_luma_weight_l0/1
+- avcodec/hnm4video: Optimize postprocess_current_frame()
+- avcodec/hevc_refs: Optimize 16bit generate_missing_ref()
+- avcodec/scpr: Use av_memcpy_backptr() in type 17 and 33
+- avcodec/dds: Use ff_set_dimensions()
+- avcodec/mpc8: Fix 32bit mask/enum
+- avcodec/alsdec: Fix integer overflows of raw_samples in decode_var_block_data()
+- avcodec/alsdec: Fix integer overflow of raw_samples in decode_blocks()
+- avcodec/alsdec: fix mantisse shift
+- avcodec/vc1_block: Fix invalid shifts in vc1_decode_i_blocks()
+- avcodec/vc1_block: fix invalid shift in vc1_decode_p_mb()
+- avcodec/aacdec_template: fix integer overflow in imdct_and_windowing()
+- libavcodec/iff: Use unsigned to avoid undefined behaviour
+- avcodec/alsdec: Check for block_length <= 0 in read_var_block_data()
+- avcodec/vqavideo: Set video size
+- avcodec/sanm: Check extradata_size before allocations
+- avcodec/mss1: check for overread and forward errors
+- avcodec/loco: Check for end of input in pixel decode
+- avcodec/dirac_parser: Fix overflow in dts
+- avcodec/ralf: Fix undefined pointer in decode_channel()
+- avcodec/ralf: Fix integer overflow in apply_lpc()
+- avcodec/vorbisdec: Implement vr->classifications = 1
+- avcodec/vorbisdec: Check parameters in vorbis_floor0_decode() before divide
+- avformat/realtextdec: Check for duplicate extradata in realtext_read_header()
+- avcodec/cbs_av1_syntax_template: Check ref_frame_idx before use
+- avcodec/apedec: Fix 2 signed overflows
+- avcodec/mss3: Check for the rac stream being invalid in rac_normalize()
+- avcodec/vc1_block: Check get_vlc2() return before use
+- avcodec/apedec: Do not partially clear data array
+- avcodec/atrac9dec: Check grad_range[1] more tightly
+- avcodec/hnm4video: Forward errors of decode_interframe_v4()
+- avcodec/clearvideo: fix invalid shift in tile size check
+- avcodec/vp3: Check that theora is theora
+- avcodec/vc1_pred: Fix invalid shift in scaleforsame()
+- avcodec/vc1_block: Fix integer overflow in ff_vc1_pred_dc()
+- avcodec/truemotion2: Fix several integer overflows in tm2_motion_block()
+- avcodec/apedec: make left/right unsigned to avoid undefined behavior
+- avcodec/apedec: Fix multiple integer overflows and undefined behaviorin filter_3800()
+- avformat/mpc: deallocate frames array on errors
+- avcodec/eatqi: Check for minimum frame size
+- avcodec/eatgv: Check remaining size after the keyframe header
+- avcodec/assdec: undefined use of memcpy()
+- avcodec/brenderpix: Check input size before allocating image
+- lafv/wavdec: Fail bext parsing on incomplete reads
+- avcodec/utils: fix leak of subtitle_header on error path
+- avcodec/utils: Check close before calling it
+- tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure
+- avcodec/vorbisdec: Check vlc for floor0 dec vector offset
+- avcodec/vorbisdec: amplitude bits can be more than 25 bits
+- avutil/softfloat_ieee754: Fix odd bit position for exponent and sign in av_bits2sf_ieee754()
+- avcodec/apedec: Fix various integer overflows
+- avcodec/apedec: Fix multiple integer overflows in predictor_update_filter()
+- avcodec/alsdec: fix undefined shift in multiply()
+- avcodec/alsdec: Fix 2 integer overflows
+- avcodec/flicvideo: Make line_packets int
+- avcodec/dvbsubdec: Use ff_set_dimensions()
+- avcodec/ffwavesynth: Check if there is enough extradata before allocation
+- avcodec/ffwavesynth: More correct cast in wavesynth_seek()
+- avcodec/ffwavesynth: Check sample rate before use
+- avcodec/dnxhd_parser: Fix parser when input does not have nicely sized packets
+- avcodec/dnxhd_parser: remove unneeded code
+- avformat/utils: Check rfps_duration_sum for overflow
+- avcodec/h264_refs: Also check reference in ff_h264_build_ref_list()
+- avcodec/atrac9dec: Check conditions before apply_band_extension() to avoid out of array read in initialization of unused variables
+- avcodec/parser: Check next index validity in ff_combine_frame()
+- avcodec/ivi: Ask for samples with odd tiles
+- avformat/xmv: Make bitrate 64bit
+- avcodec/pngdec: Check that previous_picture has same w/h/format
+- avcodec/huffyuv: remove gray8a (the format is listed but not supported by the implementation)
+- avcodec/mpc8: Fixes invalid shift in mpc8_decode_frame()
+- avcodec/utils, avcodec_open2: close codec on failure
+- avformat/rpl: Replace strcpy with av_strlcpy
+- avcodec/amfnec: allocate packets using av_new_packet()
+- avcodec/nvenc: make sure newly allocated packets are refcounted
+- lavc/mpeg4audio: add chan_config check to avoid indeterminate channels
+- aformat/movenc: add missing padding to output track extradata
+- avcodec/nvenc: add driver version info for latest SDKs
+- avcodec/bsf: check that AVBSFInternal was allocated before dereferencing it
+- lavf/rawenc: Only accept the appropriate stream type for raw muxers.
+- lavc/tableprint_vlc: Remove avpriv_request_sample() from included files.
+- avcodec/h263dec: fix hwaccel decoding
+- avutil/mem: Fix invalid use of av_alloc_size
+- cbs_h2645: Fix infinite loop in more_rbsp_data
+- avformat/aacdec: resync to the next adts frame on invalid data instead of aborting
+- avformat/aacdec: factorize the adts frame resync code
+- cbs_mpeg2: Fix storage type for frame_centre_*_offset
+- cbs_mpeg2: Improve checks for invalid values
+- avcodec/cbs_mpeg2: fix leak of extra_information_slice buffer in cbs_mpeg2_read_slice_header()
+- lavc/cbs: Do not use format specifier "z" on Windows.
+- lavc/cbs_vp9: Make variable prob unsigned.
+- avcodec/cbs_h264: fix storage type for time_offset in Pic Timing SEI
+- avcodec/cbs_h2645: add helper macros for signed values
+- avcodec/cbs: add helper functions and macros to read and write signed values
+- cbs_h264: Fix handling of auxiliary pictures
+
+version 4.1.4:
+- avcodec/ilbcdec: Simplify use of unsigned and fix more undefined overflows
+- avcodec/golomb: Correct the doxy about get_ue_golomb() and errors
+- avformat/utils: Check timebase before use in estimate_timings()
+- avcodec/hq_hqa: Use ff_set_dimensions()
+- avcodec/rv10: Fix integer overflow in aspect ratio compare
+- avcodec/4xm: Fix signed integer overflows in idct()
+- avcodec/qdm2: Check checksum_size for 0
+- avcodec/qdm2: error out of qdm2_fft_decode_tones() before entering endless loop
+- avcodec/qdm2: Do not read out of array in fix_coding_method_array()
+- avcodec/svq3: Use ff_set_dimension()
+- avcodec/iff: Check ham vs bpp
+- avcodec/ffwavesynth: use uint32_t to compute difference, it is enough
+- avcodec/ffwavesynth: Simplify lcg_seek(), avoid negative case
+- avcodec/ffwavesynth: Fix backward lcg_seek()
+- avcodec/flicvideo: Fix off by 1 error in flic_decode_frame_24BPP()
+- avcodec/vc1_block: Check for vlc error in vc1_decode_ac_coeff()
+- avcodec/alac: Check lpc_quant
+- avcodec/dxv: Initialize tex_funct to NULL
+- avcodec/alsdec: Add FF_CODEC_CAP_INIT_CLEANUP
+- avcodec/alsdec: Fix integer overflow with buffer number
+- avcodec/alsdec: Fixes signed integer overflow in LSB addition
+- avcodec/alsdec: Check opt_order / sb_length in ra_block handling
+- avcodec/alsdec: Fix integer overflow with shifting samples
+- avcodec/alsdec: Fix undefined behavior in decode_rice()
+- avcodec/alsdec: Fixes invalid shifts in read_var_block_data() and INTERLEAVE_OUTPUT()
+- avcodec/hevc_ps: Change num_tile_rows/columns checks to sps->ctb_height/weight
+- avcodec/hevc_ps: Fix integer overflow with num_tile_rows and num_tile_columns
+- avcodec/apedec: Add k < 24 check to the only k++ case which lacks such a check
+- avformat/aviobuf: Delay buffer downsizing until asserts are met
+- avcodec/fitsdec: Check data_min/max
+- avcodec/m101: Fix off be 2 error
+- avcodec/qdm2: Move fft_order check up
+- avcodec/libvorbisdec: Check extradata size
+- avformat/vqf: Check header_size
+- avcodec/atrac9dec: Check q_unit_cnt in parse_band_ext()
+- avcodec/atrac9dec: Check that the reused block has succeeded initilization
+- avcodec/utils: Check bits_per_coded_sample
+- avcodec/videodsp_template: Fix overflow of addition
+- avcodec/alsdec: Fix invalid shift in multiply()
+- avcodec/ffwavesynth: Check ts_end - ts_start for overflow
+- avcodec/vc1dsp: Avoid undefined shifts in vc1_v_s_overlap_c / vc1_h_s_overlap_c
+- avcodec/tta: Fix undefined shift
+- avcodec/qdmc: Fix integer overflows in PRNG
+- avcodec/bintext: Check font height
+- avcodec/binkdsp: Fix integer overflows in idct
+- avcodec/bink: Fix integer overflow in unquantize_dct_coeffs()
+- avcodec/motionpixels: Check for vlc error in mp_get_vlc()
+- avcodec/loco: Limit lossy parameter so it is sane and does not overflow
+- avformat/mov: Set fragment.found_tfhd only after TFHD has been parsed
+- avcodec/xpmdec: Do not use context dimensions as temporary variables
+- avcodec/fitsdec: Fix division by 0 in size check
+- avcodec/aacpsdsp_template: Fix integer overflow in ps_hybrid_analysis_c()
+- avcodec/truemotion2: Fix integer overflow in last loop in tm2_update_block()
+- avcodec/iff: finetune the palette size check in the mask case
+- avcodec/iff: Fix mask_buf / mask_palbuf leak
+- avformat/icodec: Free ico->images on error paths
+- avformat/wsddec: Fix undefined shift
+- avcodec/fmvc: Check if header fields are available before allocating the image
+- avcodec/bink: Reorder operations in init to avoid memleak on error
+- avformat/wtvdec: Avoid (32bit signed) sectors
+- avcodec/bitstream: Check for more conflicting codes in build_table()
+- avcodec/bitstream: Check for integer code truncation in build_table()
+- avformat/sbgdec: Fixes integer overflow in str_to_time() with hours
+- avformat/vpk: Check offset for validity
+- avformat/vpk: Fix integer overflow in samples_per_block computation
+- avcodec/mjpegdec: Check for non ls PAL8
+- avcodec/interplayvideo: check decoding_map_size with video_data_size
+- avcodec/h264_parse: Use 64bit for expectedpoc and expected_delta_per_poc_cycle
+- avcodec/mss4: Check input size against skip bits
+- avcodec/dxv: Check op_offset in dxv_decompress_cocg()
+- avcodec/diracdec: Fix integer overflow in global_mv()
+- avcodec/vmnc: Check available space against chunks before reget_buffer()
+- avcodec/aacdec_template: skip apply_tns() if max_sfb is 0 (from previous header decode failure)
+- avcodec/aacdec_fixed: Handle more extreem cases in noise_scale()
+- avcodec/aacdec_template: Merge 3 #ifs related to noise handling
+- avcodec/aacdec_fixed: ssign seems always -1 in noise_scale(), simplify
+- avformat/mp3enc: Avoid SEEK_END as it is unsupported
+- avcodec/truemotion2: Fix several integer overflows in tm2_update_block()
+- avformat/webm_chunk: Specify expected argument length of get_chunk_filename()
+- avformat/webm_chunk: Check header filename length
+- avcodec/cpia: Check input size also against linesizes and EOL
+- swscale/tests/swscale: Lengthen pixfmt name buffer to 21 bytes
+- libswcale: Fix possible string overflow in test.
+- avcodec/hq_hqa: Check available space before reading slice offsets
+- lavf/webm_chunk: Respect buffer size
+- avcodec/fits: Check bitpix
+- avcodec/jvdec: Use ff_get_buffer() when the content is not reused
+- avcodec/truemotion2: Fix 2 integer overflows in tm2_update_block()
+- avcodec/gdv: Check input palette size before rescale()
+- avcodec/jpeg2000: Check stepsize before using it
+- avcodec/aacdec_fixed: Fix undefined shift in noise_scale()
+- avutil/avstring: Fix bug and undefined behavior in av_strncasecmp()
+- avformat/mov: Skip stsd adjustment without chunks
+- avformat/aadec: Check for scanf() failure
+- avcodec/ccaption_dec: Add a blank like at the end to avoid rollup reading from outside
+- avcodec/ivi: Move buffer/block end check to caller of ivi_dc_transform()
+- avcodec/diracdec: Use 64bit in intermediate of global motion vector field generation
+- avcodec/truemotion2: Fix integer overflow in tm2_decode_blocks()
+- movsub_bsf: Fix mov2textsub regression
+- lavc/libaomenc: Add a maximum constraint of 64 encoder threads.
+- avformat/aacdec: fix demuxing of small frames
+- avcodec/cuviddec: improve progressive frame detection
+- avformat/matroskaenc: fix leak on error
+- avformat/av1: Initialize padding in ff_isom_write_av1c
+- avcodec/cbs_av1: fix parsing spatial_id
+
+version 4.1.3:
+- avcodec/rscc: Check that the to be uncompressed input is large enough
+- avformat/movenc: free eac3 private data only when closing the stream
+- avcodec/hevcdec: Avoid only partly skiping duplicate first slices
+- lavc/bmp: Avoid a heap buffer overwrite for 1bpp input.
+- avcodec/mpegpicture: Check size of edge_emu_buffer
+- avformat/mov: Fix potential integer overflow in entry check in mov_read_trun()
+- avcodec/truemotion2: Fix integer overflow in tm2_null_res_block()
+- avcodec/cbs_av1: fix range of values for Mastering Display Color Volume Metadata OBUs
+- avcodec/av1_parser: don't abort parsing the first frame if extradata parsing fails
+
+version 4.1.2:
+- avcodec/dfa: Check the chunk header is not truncated
+- avcodec/clearvideo: Check remaining data in P frames
+- avcodec/hevcdec: decode at most one slice reporting being the first in the picture
+- avcodec/dvbsubdec: Check object position
+- avcodec/cdgraphics: Use ff_set_dimensions()
+- avformat/gdv: Check fps
+- configure: use vpx_codec_vp8_dx/cx for libvpx-vp8 checking
+- configure: add missing pthreads extralibs dependency for libvpx-vp9
+- avcodec/mpeg4videodec: Check idx in mpeg4_decode_studio_block()
+- avcodec/dxv: Correct integer overflow in get_opcodes()
+- avcodec/scpr: Fix use of uninitialized variable
+- avcodec/qpeg: Limit copy in qpeg_decode_intra() to the available bytes
+- avcodec/aic: Check remaining bits in aic_decode_coeffs()
+- avcodec/gdv: Check for truncated tags in decompress_5()
+- avcodec/bethsoftvideo: Check block_type
+- avcodec/jpeg2000dwt: Fix integer overflow in dwt_decode97_int()
+- avcodec/error_resilience: Use a symmetric check for skipping MV estimation
+- avcodec/mlpdec: Insuffient typo
+- avcodec/zmbv: obtain frame later
+- avcodec/jvdec: Check available input space before decode8x8()
+- avcodec/h264_direct: Fix overflow in POC comparission
+- avformat/webmdashenc: Check id in adaption_sets
+- avformat/http: Fix Out-of-Bounds access in process_line()
+- avformat/ftp: Fix Out-of-Bounds Access and Information Leak in ftp.c:393
+- avcodec/htmlsubtitles: Fixes denial of service due to use of sscanf in inner loop for handling braces
+- avcodec/htmlsubtitles: Fixes denial of service due to use of sscanf in inner loop for tag scaning
+- avformat/matroskadec: Do not leak queued packets on sync errors
+- avcodec/mpeg4videodec: Clear interlaced_dct for studio profile
+- avformat/mov: Do not use reference stream in mov_read_sidx() if there is no reference stream
+- avcodec/sbrdsp_fixed.c: remove input value limit for sbr_sum_square_c()
+- avcodec/prores_ks: Fix luma quantization if q >= MAX_STORED_Q
+- avformat/mov: fix hang while seek on a kind of fragmented mp4
+- avformat/async: fix assertion condition when draining buffer
+- avcodec/cbs_av1: don't call cbs_av1_read_trailing_bits() when no bits remain in the OBU
+
+version 4.1.1:
+- avformat/mov: validate chunk_count vs stsc_data
+- avformat/mov: require tfhd to begin parsing trun
+- avcodec/pgssubdec: Check for duplicate display segments
+- avformat/rtsp: Check number of streams in sdp_parse_line()
+- avformat/rtsp: Clear reply in every iteration in ff_rtsp_connect()
+- avcodec/rasc: Move ff_get_buffer() after frame checks
+- avcodec/rasc: Check uncompressed dlta size
+- avcodec/fic: Check that there is input left in fic_decode_block()
+- avcodec/ilbcdec: Fix undefined integer overflow lsf2poly()
+- avcodec/ilbcdec: Fix integer overflow in construct_vector()
+- avcodec/prosumer: Error out if decompress() stops reading data
+- avcodec/tiff: Check for 12bit gray fax
+- avutil/imgutils: Optimize memset_bytes() by using av_memcpy_backptr()
+- avutil/mem: Optimize fill32() by unrolling and using 64bit
+- configure: bump year
+- avcodec/tests/rangecoder: initialize array to avoid valgrind warning
+- avcodec/gdv: Optimize and factorize scaling loops
+- avcodec/h264_slice: Fix integer overflow in implicit_weight_table()
+- avcodec/exr: set layer_match in all branches
+- avcodec/exr: Check for duplicate channel index
+- avfilter/vf_tonemap_opencl: Make static tables const
+- doc/indevs: fix upto typo
+- avcodec/4xm: Fix returned error codes
+- avformat/libopenmpt: Fix successfull typo
+- avcodec/v4l2_m2m: fix cant typo
+- avcodec/mjpegbdec: Fix some misplaced {} and spaces
+- avformat/wvdec: detect and error out on WavPack DSD files
+- avcodec/mips: Fix failed case: hevc-conformance-AMP_A_Samsung_* when enable msa
+- avcodec/fic: Fail on invalid slice size/off
+- avcodec/ilbcdec: fix integer overflow in energy
+- postproc/postprocess_template: remove FF_REG_sp from clobber list
+- postproc/postprocess_template: Avoid using %4 for the threshold compare
+- libavformat/mov: Fix NULL-dereference read for some encrypted content.
+- avcodec/rpza: Check that there is enough data for all the blocks
+- avcodec/rpza: Move frame allocation to a later point
+- avcodec/avcodec: Document the data type for AV_PKT_DATA_MPEGTS_STREAM_ID
+- avformat/mpegts: Fix side data type for stream id
+- tests/fate/filter-video: increase fuzz for fate-filter-refcmp-psnr-rgb
+- avcodec/mjpegdec: Fix indention of ljpeg_decode_yuv_scan()
+- lavf/id3v2: fail read_apic on EOF reading mimetype
+- avcodec/rasc: Check that the number of moves is less than or equal the number of pixels
+- avformat/nutenc: Document trailer index assert better
+- lavf/mov: ensure only one tkhd per trak
+- avcodec/clearvideo: Check remaining input bits in P macro block loop
+- avcodec/rasc: Check input space before reading chunk
+- avcodec/dxv: Check that there is enough data to decompress
+- avcodec/ppc/hevcdsp: Fix build failures with powerpc-linux-gnu-gcc-4.8 with --disable-optimizations
+- avcodec/msvideo1: Check for too small dimensions
+- avcodec/wmv2dec: Skip I frame if its smaller than 1/8 of the minimal size
+- avcodec/msmpeg4dec: Skip frame if its smaller than 1/8 of the minimal size
+- avcodec/truemotion2rt: Fix rounding in input size check
+- avcodec/diracdec: Check component quant
+- avcodec/tiff: Limit filtering to decoded data
+- avcodec/truemotion2: fix integer overflows in tm2_low_chroma()
+- avcodec/pngdec: Check compression method
+- fftools/ffmpeg: Repair reinit_filter feature
+- avcodec/shorten: Fix integer overflow with offset
+- avcodec/imm4: Use ff_set_dimensions()
+- h264_redundant_pps: Fix logging context
+- avfilter/af_asetnsamples: fix last frame props
+- cbs_av1: Fix reading of overlong uvlc codes
+- avcodec/cbs_av1: fix parsing delta_frame_id_minus1
+- avfilter/vf_overlay: fix filtering with negative y
+- avformat/movenc: get number of written bytes from bitstream writer
+- avformat/movenc: fix size calculation in mov_write_eac3_tag()
+- avfilter/vf_overlay: fix crash with negative y
+- avcodec/mpeg_er: fix clearing chroma blocks for 422 and 444
+- avfilter/af_afade: fix duration maximum
+- avfilter/vf_fade: fix start/duration max value
+- avcodec/cbs_av1: fix parsing signed integer values
+- avcodec/cbs_av1: fix storage size for segmentation_params feature_value fields
+- configure: Add missing xlib dependency for VAAPI X11 code
+- avcodec/hevcdec: fix non-ref frame judgement
+
+
 version 4.1:
 - deblock filter
 - tmix filter
@@ -42,6 +838,7 @@ version 4.1:
 - xstack filter
 - pcm vidc decoder and encoder
 - (a)graphmonitor filter
+- yadif_cuda filter


 version 4.0:
--- a/2
+++ b/2
@@ -1 +1 @@
-4.0.git
+4.1.6
--- a/15
+++ b/15
@@ -0,0 +1,15 @@
+
+              ┌─────────────────────────────────────────────┐
+              │ RELEASE NOTES for FFmpeg 4.1 "al-Khwarizmi" │
+              └─────────────────────────────────────────────┘
+
+   The FFmpeg Project proudly presents FFmpeg 4.1 "al-Khwarizmi", about 6
+   months after the release of FFmpeg 4.0.
+
+   A complete Changelog is available at the root of the project, and the
+   complete Git history on https://git.ffmpeg.org/gitweb/ffmpeg.git
+
+   We hope you will like this release as much as we enjoyed working on it, and
+   as usual, if you have any questions about it, or any FFmpeg related topic,
+   feel free to join us on the #ffmpeg IRC channel (on irc.freenode.net) or ask
+   on the mailing-lists.
--- a/15
+++ b/15
@@ -2812,6 +2812,7 @@ d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
 ffnvcodec_deps_any="libdl LoadLibrary"
 nvdec_deps="ffnvcodec"
+vaapi_x11_deps="xlib"
 videotoolbox_hwaccel_deps="videotoolbox pthreads"
 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
 xvmc_deps="X11_extensions_XvMClib_h"
@@ -2957,6 +2958,7 @@ h264_rkmpp_decoder_deps="rkmpp"
 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
+h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
 hevc_amf_encoder_deps="amf"
 hevc_cuvid_decoder_deps="cuvid"
@@ -2971,6 +2973,7 @@ hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
+hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
 mjpeg_cuvid_decoder_deps="cuvid"
 mjpeg_qsv_encoder_deps="libmfx"
@@ -3180,6 +3183,7 @@ image2_alias_pix_demuxer_select="image2_demuxer"
 image2_brender_pix_demuxer_select="image2_demuxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
+ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
 matroska_audio_muxer_select="matroska_muxer"
 matroska_demuxer_select="iso_media riffdec"
 matroska_demuxer_suggest="bzlib lzo zlib"
@@ -3481,6 +3485,7 @@ zscale_filter_deps="libzimg const_nan"
 scale_vaapi_filter_deps="vaapi"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
+yadif_cuda_filter_deps="cuda_sdk"

 # examples
 avio_dir_cmd_deps="avformat avutil"
@@ -6147,21 +6152,21 @@ enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h
 enabled libvpx            && {
    enabled libvpx_vp8_decoder && {
        check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
-            check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
+            check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" ||
                die "ERROR: libvpx decoder version must be >=1.4.0";
    }
    enabled libvpx_vp8_encoder && {
        check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
-            check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
+            check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs" ||
                die "ERROR: libvpx encoder version must be >=1.4.0";
    }
    enabled libvpx_vp9_decoder && {
        check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
-            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
    }
    enabled libvpx_vp9_encoder && {
        check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
-            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
    }
    if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
        die "libvpx enabled but no supported decoders found"
@@ -7238,7 +7243,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2018
+#define CONFIG_THIS_YEAR 2020
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = FFmpeg
 # could be handy for archiving the generated documentation or if some version
 # control system is used.

-PROJECT_NUMBER         =
+PROJECT_NUMBER         = 4.1.6

 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -17943,6 +17943,64 @@ filter").
 It accepts the following parameters:


+@table @option
+
+@item mode
+The interlacing mode to adopt. It accepts one of the following values:
+
+@table @option
+@item 0, send_frame
+Output one frame for each frame.
+@item 1, send_field
+Output one frame for each field.
+@item 2, send_frame_nospatial
+Like @code{send_frame}, but it skips the spatial interlacing check.
+@item 3, send_field_nospatial
+Like @code{send_field}, but it skips the spatial interlacing check.
+@end table
+
+The default value is @code{send_frame}.
+
+@item parity
+The picture field parity assumed for the input interlaced video. It accepts one
+of the following values:
+
+@table @option
+@item 0, tff
+Assume the top field is first.
+@item 1, bff
+Assume the bottom field is first.
+@item -1, auto
+Enable automatic detection of field parity.
+@end table
+
+The default value is @code{auto}.
+If the interlacing is unknown or the decoder does not export this information,
+top field first will be assumed.
+
+@item deint
+Specify which frames to deinterlace. Accept one of the following
+values:
+
+@table @option
+@item 0, all
+Deinterlace all frames.
+@item 1, interlaced
+Only deinterlace frames marked as interlaced.
+@end table
+
+The default value is @code{all}.
+@end table
+
+@section yadif_cuda
+
+Deinterlace the input video using the @ref{yadif} algorithm, but implemented
+in CUDA so that it can work as part of a GPU accelerated pipeline with nvdec
+and/or nvenc.
+
+It accepts the following parameters:
+
+
@table @option

@item mode
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -374,7 +374,7 @@ Defaults to @option{false}.
@item timestamp_align
 Capture start time alignment in seconds. If set to nonzero, input frames are
 dropped till the system timestamp aligns with configured value.
-Alignment difference of upto one frame duration is tolerated.
+Alignment difference of up to one frame duration is tolerated.
 This is useful for maintaining input synchronization across N different
 hardware devices deployed for 'N-way' redundancy. The system time of different
 hardware devices should be synchronized with protocols such as NTP or PTP,
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -567,6 +567,7 @@ static void ffmpeg_cleanup(int ret)
        ost->audio_channels_mapped = 0;

        av_dict_free(&ost->sws_dict);
+        av_dict_free(&ost->swr_opts);

        avcodec_free_context(&ost->enc_ctx);
        avcodec_parameters_free(&ost->ref_par);
@@ -2139,9 +2140,6 @@ static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)

    /* determine if the parameters for this input changed */
    need_reinit = ifilter->format != frame->format;
-    if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
-        (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
-        need_reinit = 1;

    switch (ifilter->ist->st->codecpar->codec_type) {
    case AVMEDIA_TYPE_AUDIO:
@@ -2155,6 +2153,13 @@ static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
        break;
    }

+    if (!ifilter->ist->reinit_filters && fg->graph)
+        need_reinit = 0;
+
+    if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
+        (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
+        need_reinit = 1;
+
    if (need_reinit) {
        ret = ifilter_parameters_from_frame(ifilter, frame);
        if (ret < 0)
@@ -4237,7 +4242,8 @@ static int seek_to_start(InputFile *ifile, AVFormatContext *is)
            ifile->time_base = ist->st->time_base;
        /* the total duration of the stream, max_pts - min_pts is
         * the duration of the stream without the last frame */
-        duration += ist->max_pts - ist->min_pts;
+        if (ist->max_pts > ist->min_pts && ist->max_pts - (uint64_t)ist->min_pts < INT64_MAX - duration)
+            duration += ist->max_pts - ist->min_pts;
        ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
                                        ifile->time_base);
    }
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -1,3 +1,4 @@
+
 /*
 * ffmpeg option parsing
 *
@@ -2332,12 +2333,14 @@ loop_end:
                   o->attachments[i]);
            exit_program(1);
        }
-        if (!(attachment = av_malloc(len))) {
-            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
+        if (len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
+            !(attachment = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
+            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large.\n",
                   o->attachments[i]);
            exit_program(1);
        }
        avio_read(pb, attachment, len);
+        memset(attachment + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);

        ost = new_attachment_stream(o, oc, -1);
        ost->stream_copy               = 0;
@@ -2729,13 +2732,14 @@ static int opt_target(void *optctx, const char *opt, const char *arg)
    } else {
        /* Try to determine PAL/NTSC by peeking in the input files */
        if (nb_input_files) {
-            int i, j, fr;
+            int i, j;
            for (j = 0; j < nb_input_files; j++) {
                for (i = 0; i < input_files[j]->nb_streams; i++) {
                    AVStream *st = input_files[j]->ctx->streams[i];
+                    int64_t fr;
                    if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
                        continue;
-                    fr = st->time_base.den * 1000 / st->time_base.num;
+                    fr = st->time_base.den * 1000LL / st->time_base.num;
                    if (fr == 25000) {
                        norm = PAL;
                        break;
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@@ -158,7 +158,7 @@ typedef struct FourXContext {
 #define FIX_1_847759065 121095
 #define FIX_2_613125930 171254

-#define MULTIPLY(var, const) (((var) * (const)) >> 16)
+#define MULTIPLY(var, const) ((int)((var) * (unsigned)(const)) >> 16)

 static void idct(int16_t block[64])
 {
@@ -351,6 +351,8 @@ static int decode_p_block(FourXContext *f, uint16_t *dst, const uint16_t *src,
    index = size2index[log2h][log2w];
    av_assert0(index >= 0);

+    if (get_bits_left(&f->gb) < 1)
+        return AVERROR_INVALIDDATA;
    h     = 1 << log2h;
    code  = get_vlc2(&f->gb, block_type_vlc[1 - (f->version > 1)][index].table,
                     BLOCK_TYPE_VLC_BITS, 1);
@@ -498,7 +500,7 @@ static int decode_i_block(FourXContext *f, int16_t *block)

    if (get_bits_left(&f->gb) < 2){
        av_log(f->avctx, AV_LOG_ERROR, "%d bits left before decode_i_block()\n", get_bits_left(&f->gb));
-        return -1;
+        return AVERROR_INVALIDDATA;
    }

    /* DC coef */
@@ -523,6 +525,10 @@ static int decode_i_block(FourXContext *f, int16_t *block)
            break;
        if (code == 0xf0) {
            i += 16;
+            if (i >= 64) {
+                av_log(f->avctx, AV_LOG_ERROR, "run %d overflow\n", i);
+                return 0;
+            }
        } else {
            if (code & 0xf) {
                level = get_xbits(&f->gb, code & 0xf);
@@ -732,7 +738,7 @@ static int decode_i2_frame(FourXContext *f, const uint8_t *buf, int length)
        for (x = 0; x < width; x += 16) {
            unsigned int color[4] = { 0 }, bits;
            if (buf_end - buf < 8)
-                return -1;
+                return AVERROR_INVALIDDATA;
            // warning following is purely guessed ...
            color[0] = bytestream2_get_le16u(&g3);
            color[1] = bytestream2_get_le16u(&g3);
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -411,6 +411,8 @@ static int read_stream_mux_config(struct LATMContext *latmctx,
            } else {
                int esc;
                do {
+                    if (get_bits_left(gb) < 9)
+                        return AVERROR_INVALIDDATA;
                    esc = get_bits(gb, 1);
                    skip_bits(gb, 8);
                } while (esc);
@@ -561,7 +563,7 @@ AVCodec ff_aac_decoder = {
        AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
    },
    .capabilities    = AV_CODEC_CAP_CHANNEL_CONF | AV_CODEC_CAP_DR1,
-    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
    .channel_layouts = aac_channel_layout,
    .flush = flush,
    .priv_class      = &aac_decoder_class,
@@ -586,7 +588,7 @@ AVCodec ff_aac_latm_decoder = {
        AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
    },
    .capabilities    = AV_CODEC_CAP_CHANNEL_CONF | AV_CODEC_CAP_DR1,
-    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
    .channel_layouts = aac_channel_layout,
    .flush = flush,
    .profiles        = NULL_IF_CONFIG_SMALL(ff_aac_profiles),
--- a/libavcodec/aacdec_fixed.c
+++ b/libavcodec/aacdec_fixed.c
@@ -195,12 +195,12 @@ static void subband_scale(int *dst, int *src, int scale, int offset, int len)

 static void noise_scale(int *coefs, int scale, int band_energy, int len)
 {
-    int ssign = scale < 0 ? -1 : 1;
-    int s = FFABS(scale);
+    int s = -scale;
    unsigned int round;
    int i, out, c = exp2tab[s & 3];
    int nlz = 0;

+    av_assert0(s >= 0);
    while (band_energy > 0x7fff) {
        band_energy >>= 1;
        nlz++;
@@ -216,15 +216,20 @@ static void noise_scale(int *coefs, int scale, int band_energy, int len)
        round = s ? 1 << (s-1) : 0;
        for (i=0; i<len; i++) {
            out = (int)(((int64_t)coefs[i] * c) >> 32);
-            coefs[i] = ((int)(out+round) >> s) * ssign;
+            coefs[i] = -((int)(out+round) >> s);
        }
    }
    else {
        s = s + 32;
-        round = 1 << (s-1);
-        for (i=0; i<len; i++) {
-            out = (int)((int64_t)((int64_t)coefs[i] * c + round) >> s);
-            coefs[i] = out * ssign;
+        if (s > 0) {
+            round = 1 << (s-1);
+            for (i=0; i<len; i++) {
+                out = (int)((int64_t)((int64_t)coefs[i] * c + round) >> s);
+                coefs[i] = -out;
+            }
+        } else {
+            for (i=0; i<len; i++)
+                coefs[i] = -(int64_t)coefs[i] * c * (1 << -s);
        }
    }
 }
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -1157,6 +1157,9 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
    AACContext *ac = avctx->priv_data;
    int ret;

+    if (avctx->sample_rate > 96000)
+        return AVERROR_INVALIDDATA;
+
    ret = ff_thread_once(&aac_table_init, &aac_static_table_init);
    if (ret != 0)
        return AVERROR_UNKNOWN;
@@ -1673,25 +1676,24 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
                }
            } else if (cbt_m1 == NOISE_BT - 1) {
                for (group = 0; group < (AAC_SIGNE)g_len; group++, cfo+=128) {
-#if !USE_FIXED
-                    float scale;
-#endif /* !USE_FIXED */
                    INTFLOAT band_energy;
-
+#if USE_FIXED
                    for (k = 0; k < off_len; k++) {
                        ac->random_state  = lcg_random(ac->random_state);
-#if USE_FIXED
                        cfo[k] = ac->random_state >> 3;
-#else
-                        cfo[k] = ac->random_state;
-#endif /* USE_FIXED */
                    }

-#if USE_FIXED
                    band_energy = ac->fdsp->scalarproduct_fixed(cfo, cfo, off_len);
                    band_energy = fixed_sqrt(band_energy, 31);
                    noise_scale(cfo, sf[idx], band_energy, off_len);
 #else
+                    float scale;
+
+                    for (k = 0; k < off_len; k++) {
+                        ac->random_state  = lcg_random(ac->random_state);
+                        cfo[k] = ac->random_state;
+                    }
+
                    band_energy = ac->fdsp->scalarproduct_float(cfo, cfo, off_len);
                    scale = sf[idx] / sqrtf(band_energy);
                    ac->fdsp->vector_fmul_scalar(cfo, cfo, scale, off_len);
@@ -2493,6 +2495,9 @@ static void apply_tns(INTFLOAT coef_param[1024], TemporalNoiseShaping *tns,
    INTFLOAT tmp[TNS_MAX_ORDER+1];
    UINTFLOAT *coef = coef_param;

+    if(!mmm)
+        return;
+
    for (w = 0; w < ics->num_windows; w++) {
        bottom = ics->num_swb;
        for (filt = 0; filt < tns->n_filt[w]; filt++) {
@@ -2657,7 +2662,7 @@ static void imdct_and_windowing(AACContext *ac, SingleChannelElement *sce)
        ac->mdct.imdct_half(&ac->mdct, buf, in);
 #if USE_FIXED
        for (i=0; i<1024; i++)
-          buf[i] = (buf[i] + 4) >> 3;
+          buf[i] = (buf[i] + 4LL) >> 3;
 #endif /* USE_FIXED */
    }

--- a/libavcodec/aacps.c
+++ b/libavcodec/aacps.c
@@ -414,33 +414,33 @@ static void hybrid_synthesis(PSDSPContext *dsp, INTFLOAT out[2][38][64],
            memset(out[0][n], 0, 5*sizeof(out[0][n][0]));
            memset(out[1][n], 0, 5*sizeof(out[1][n][0]));
            for (i = 0; i < 12; i++) {
-                out[0][n][0] += in[   i][n][0];
-                out[1][n][0] += in[   i][n][1];
+                out[0][n][0] += (UINTFLOAT)in[   i][n][0];
+                out[1][n][0] += (UINTFLOAT)in[   i][n][1];
            }
            for (i = 0; i < 8; i++) {
-                out[0][n][1] += in[12+i][n][0];
-                out[1][n][1] += in[12+i][n][1];
+                out[0][n][1] += (UINTFLOAT)in[12+i][n][0];
+                out[1][n][1] += (UINTFLOAT)in[12+i][n][1];
            }
            for (i = 0; i < 4; i++) {
-                out[0][n][2] += in[20+i][n][0];
-                out[1][n][2] += in[20+i][n][1];
-                out[0][n][3] += in[24+i][n][0];
-                out[1][n][3] += in[24+i][n][1];
-                out[0][n][4] += in[28+i][n][0];
-                out[1][n][4] += in[28+i][n][1];
+                out[0][n][2] += (UINTFLOAT)in[20+i][n][0];
+                out[1][n][2] += (UINTFLOAT)in[20+i][n][1];
+                out[0][n][3] += (UINTFLOAT)in[24+i][n][0];
+                out[1][n][3] += (UINTFLOAT)in[24+i][n][1];
+                out[0][n][4] += (UINTFLOAT)in[28+i][n][0];
+                out[1][n][4] += (UINTFLOAT)in[28+i][n][1];
            }
        }
        dsp->hybrid_synthesis_deint(out, in + 27, 5, len);
    } else {
        for (n = 0; n < len; n++) {
-            out[0][n][0] = in[0][n][0] + in[1][n][0] + in[2][n][0] +
-                           in[3][n][0] + in[4][n][0] + in[5][n][0];
-            out[1][n][0] = in[0][n][1] + in[1][n][1] + in[2][n][1] +
-                           in[3][n][1] + in[4][n][1] + in[5][n][1];
-            out[0][n][1] = in[6][n][0] + in[7][n][0];
-            out[1][n][1] = in[6][n][1] + in[7][n][1];
-            out[0][n][2] = in[8][n][0] + in[9][n][0];
-            out[1][n][2] = in[8][n][1] + in[9][n][1];
+            out[0][n][0] = (UINTFLOAT)in[0][n][0] + in[1][n][0] + in[2][n][0] +
+                           (UINTFLOAT)in[3][n][0] + in[4][n][0] + in[5][n][0];
+            out[1][n][0] = (UINTFLOAT)in[0][n][1] + in[1][n][1] + in[2][n][1] +
+                           (UINTFLOAT)in[3][n][1] + in[4][n][1] + in[5][n][1];
+            out[0][n][1] = (UINTFLOAT)in[6][n][0] + in[7][n][0];
+            out[1][n][1] = (UINTFLOAT)in[6][n][1] + in[7][n][1];
+            out[0][n][2] = (UINTFLOAT)in[8][n][0] + in[9][n][0];
+            out[1][n][2] = (UINTFLOAT)in[8][n][1] + in[9][n][1];
        }
        dsp->hybrid_synthesis_deint(out, in + 7, 3, len);
    }
--- a/libavcodec/aacpsdsp_template.c
+++ b/libavcodec/aacpsdsp_template.c
@@ -54,10 +54,10 @@ static void ps_hybrid_analysis_c(INTFLOAT (*out)[2], INTFLOAT (*in)[2],
        INT64FLOAT sum_im = (INT64FLOAT)filter[i][6][0] * in[6][1];

        for (j = 0; j < 6; j++) {
-            INTFLOAT in0_re = in[j][0];
-            INTFLOAT in0_im = in[j][1];
-            INTFLOAT in1_re = in[12-j][0];
-            INTFLOAT in1_im = in[12-j][1];
+            INT64FLOAT in0_re = in[j][0];
+            INT64FLOAT in0_im = in[j][1];
+            INT64FLOAT in1_re = in[12-j][0];
+            INT64FLOAT in1_im = in[12-j][1];
            sum_re += (INT64FLOAT)filter[i][j][0] * (in0_re + in1_re) -
                      (INT64FLOAT)filter[i][j][1] * (in0_im - in1_im);
            sum_im += (INT64FLOAT)filter[i][j][0] * (in0_im + in1_im) +
--- a/libavcodec/ac3dec_fixed.c
+++ b/libavcodec/ac3dec_fixed.c
@@ -107,29 +107,30 @@ static void scale_coefs (
      }
    } else {
      shift = -shift;
+      mul <<= shift;
      for (i=0; i<len; i+=8) {

          temp = src[i] * mul;
          temp1 = src[i+1] * mul;
          temp2 = src[i+2] * mul;

-          dst[i] = temp << shift;
+          dst[i] = temp;
          temp3 = src[i+3] * mul;

-          dst[i+1] = temp1 << shift;
+          dst[i+1] = temp1;
          temp4 = src[i + 4] * mul;
-          dst[i+2] = temp2 << shift;
+          dst[i+2] = temp2;

          temp5 = src[i+5] * mul;
-          dst[i+3] = temp3 << shift;
+          dst[i+3] = temp3;
          temp6 = src[i+6] * mul;

-          dst[i+4] = temp4 << shift;
+          dst[i+4] = temp4;
          temp7 = src[i+7] * mul;

-          dst[i+5] = temp5 << shift;
-          dst[i+6] = temp6 << shift;
-          dst[i+7] = temp7 << shift;
+          dst[i+5] = temp5;
+          dst[i+6] = temp6;
+          dst[i+7] = temp7;

      }
    }
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -1065,7 +1065,7 @@ static int bit_alloc(AC3EncodeContext *s, int snr_offset)
 {
    int blk, ch;

-    snr_offset = (snr_offset - 240) << 2;
+    snr_offset = (snr_offset - 240) * 4;

    reset_block_bap(s);
    for (blk = 0; blk < s->num_blocks; blk++) {
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -110,6 +110,10 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
    case AV_CODEC_ID_ADPCM_MTAF:
        min_channels = 2;
        max_channels = 8;
+        if (avctx->channels & 1) {
+            avpriv_request_sample(avctx, "channel count %d\n", avctx->channels);
+            return AVERROR_PATCHWELCOME;
+        }
        break;
    case AV_CODEC_ID_ADPCM_PSX:
        max_channels = 8;
@@ -135,8 +139,8 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
        break;
    case AV_CODEC_ID_ADPCM_IMA_APC:
        if (avctx->extradata && avctx->extradata_size >= 8) {
-            c->status[0].predictor = AV_RL32(avctx->extradata);
-            c->status[1].predictor = AV_RL32(avctx->extradata + 4);
+            c->status[0].predictor = av_clip_intp2(AV_RL32(avctx->extradata    ), 18);
+            c->status[1].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 4), 18);
        }
        break;
    case AV_CODEC_ID_ADPCM_IMA_WS:
@@ -289,7 +293,7 @@ static inline int16_t adpcm_ima_oki_expand_nibble(ADPCMChannelStatus *c, int nib
    c->predictor = av_clip_intp2(predictor, 11);
    c->step_index = step_index;

-    return c->predictor << 4;
+    return c->predictor * 16;
 }

 static inline int16_t adpcm_ct_expand_nibble(ADPCMChannelStatus *c, int8_t nibble)
@@ -378,6 +382,10 @@ static int xa_decode(AVCodecContext *avctx, int16_t *out0, int16_t *out1,
            avpriv_request_sample(avctx, "unknown XA-ADPCM filter %d", filter);
            filter=0;
        }
+        if (shift < 0) {
+            avpriv_request_sample(avctx, "unknown XA-ADPCM shift %d", shift);
+            shift = 0;
+        }
        f0 = xa_adpcm_table[filter][0];
        f1 = xa_adpcm_table[filter][1];

@@ -388,7 +396,7 @@ static int xa_decode(AVCodecContext *avctx, int16_t *out0, int16_t *out1,
            d = in[16+i+j*4];

            t = sign_extend(d, 4);
-            s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
+            s = t*(1<<shift) + ((s_1*f0 + s_2*f1+32)>>6);
            s_2 = s_1;
            s_1 = av_clip_int16(s);
            out0[j] = s_1;
@@ -403,10 +411,14 @@ static int xa_decode(AVCodecContext *avctx, int16_t *out0, int16_t *out1,

        shift  = 12 - (in[5+i*2] & 15);
        filter = in[5+i*2] >> 4;
-        if (filter >= FF_ARRAY_ELEMS(xa_adpcm_table)) {
+        if (filter >= FF_ARRAY_ELEMS(xa_adpcm_table) || shift < 0) {
            avpriv_request_sample(avctx, "unknown XA-ADPCM filter %d", filter);
            filter=0;
        }
+        if (shift < 0) {
+            avpriv_request_sample(avctx, "unknown XA-ADPCM shift %d", shift);
+            shift = 0;
+        }

        f0 = xa_adpcm_table[filter][0];
        f1 = xa_adpcm_table[filter][1];
@@ -415,7 +427,7 @@ static int xa_decode(AVCodecContext *avctx, int16_t *out0, int16_t *out1,
            d = in[16+i+j*4];

            t = sign_extend(d >> 4, 4);
-            s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
+            s = t*(1<<shift) + ((s_1*f0 + s_2*f1+32)>>6);
            s_2 = s_1;
            s_1 = av_clip_int16(s);
            out1[j] = s_1;
@@ -1141,8 +1153,11 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                return AVERROR_INVALIDDATA;
            }
        }
-        for (i=0; i<=st; i++)
+        for (i=0; i<=st; i++) {
            c->status[i].predictor  = bytestream2_get_le32u(&gb);
+            if (FFABS((int64_t)c->status[i].predictor) > (1<<16))
+                return AVERROR_INVALIDDATA;
+        }

        for (n = nb_samples >> (1 - st); n > 0; n--) {
            int byte   = bytestream2_get_byteu(&gb);
@@ -1189,8 +1204,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,

            for (count2 = 0; count2 < 28; count2++) {
                byte = bytestream2_get_byteu(&gb);
-                next_left_sample  = sign_extend(byte >> 4, 4) << shift_left;
-                next_right_sample = sign_extend(byte,      4) << shift_right;
+                next_left_sample  = sign_extend(byte >> 4, 4) * (1 << shift_left);
+                next_right_sample = sign_extend(byte,      4) * (1 << shift_right);

                next_left_sample = (next_left_sample +
                    (current_left_sample * coeff1l) +
@@ -1229,7 +1244,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
            if (st) byte[1] = bytestream2_get_byteu(&gb);
            for(i = 4; i >= 0; i-=4) { /* Pairwise samples LL RR (st) or LL LL (mono) */
                for(channel = 0; channel < avctx->channels; channel++) {
-                    int sample = sign_extend(byte[channel] >> i, 4) << shift[channel];
+                    int sample = sign_extend(byte[channel] >> i, 4) * (1 << shift[channel]);
                    sample = (sample +
                             c->status[channel].sample1 * coeff[channel][0] +
                             c->status[channel].sample2 * coeff[channel][1] + 0x80) >> 8;
@@ -1290,10 +1305,10 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,

                    for (count2=0; count2<28; count2++) {
                        if (count2 & 1)
-                            next_sample = sign_extend(byte,    4) << shift;
+                            next_sample = (unsigned)sign_extend(byte,    4) << shift;
                        else {
                            byte = bytestream2_get_byte(&gb);
-                            next_sample = sign_extend(byte >> 4, 4) << shift;
+                            next_sample = (unsigned)sign_extend(byte >> 4, 4) << shift;
                        }

                        next_sample += (current_sample  * coeff1) +
@@ -1344,11 +1359,11 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                    int level, pred;
                    int byte = bytestream2_get_byteu(&gb);

-                    level = sign_extend(byte >> 4, 4) << shift[n];
+                    level = sign_extend(byte >> 4, 4) * (1 << shift[n]);
                    pred  = s[-1] * coeff[0][n] + s[-2] * coeff[1][n];
                    s[0]  = av_clip_int16((level + pred + 0x80) >> 8);

-                    level = sign_extend(byte, 4) << shift[n];
+                    level = sign_extend(byte, 4) * (1 << shift[n]);
                    pred  = s[0] * coeff[0][n] + s[-1] * coeff[1][n];
                    s[1]  = av_clip_int16((level + pred + 0x80) >> 8);
                }
@@ -1505,8 +1520,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                        sampledat = sign_extend(byte >> 4, 4);
                    }

-                    sampledat = ((prev1 * factor1 + prev2 * factor2) +
-                                 ((sampledat * scale) << 11)) >> 11;
+                    sampledat = ((prev1 * factor1 + prev2 * factor2) >> 11) +
+                                sampledat * scale;
                    *samples = av_clip_int16(sampledat);
                    prev2 = prev1;
                    prev1 = *samples++;
@@ -1568,8 +1583,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                int byte = bytestream2_get_byteu(&gb);
                int index = (byte >> 4) & 7;
                unsigned int exp = byte & 0x0F;
-                int factor1 = table[ch][index * 2];
-                int factor2 = table[ch][index * 2 + 1];
+                int64_t factor1 = table[ch][index * 2];
+                int64_t factor2 = table[ch][index * 2 + 1];

                /* Decode 14 samples.  */
                for (n = 0; n < 14 && (i * 14 + n < nb_samples); n++) {
@@ -1583,7 +1598,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                    }

                    sampledat = ((c->status[ch].sample1 * factor1
-                                + c->status[ch].sample2 * factor2) >> 11) + (sampledat << exp);
+                                + c->status[ch].sample2 * factor2) >> 11) + sampledat * (1 << exp);
                    *samples = av_clip_int16(sampledat);
                    c->status[ch].sample2 = c->status[ch].sample1;
                    c->status[ch].sample1 = *samples++;
@@ -1630,7 +1645,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                    else
                        sampledat = sign_extend(byte >> 4, 4);

-                    sampledat = (((sampledat << 12) >> (header & 0xf)) << 6) + prev;
+                    sampledat = ((sampledat * (1 << 12)) >> (header & 0xf)) * (1 << 6) + prev;
                    *samples++ = av_clip_int16(sampledat >> 6);
                    c->status[channel].sample2 = c->status[channel].sample1;
                    c->status[channel].sample1 = sampledat;
@@ -1667,7 +1682,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                            scale = sign_extend(byte, 4);
                        }

-                        scale  = scale << 12;
+                        scale  = scale * (1 << 12);
                        sample = (int)((scale >> shift) + (c->status[channel].sample1 * xa_adpcm_table[filter][0] + c->status[channel].sample2 * xa_adpcm_table[filter][1]) / 64);
                    }
                    *samples++ = av_clip_int16(sample);
--- a/libavcodec/adxenc.c
+++ b/libavcodec/adxenc.c
@@ -48,7 +48,7 @@ static void adx_encode(ADXContext *c, uint8_t *adx, const int16_t *wav,
    s2 = prev->s2;
    for (i = 0, j = 0; j < 32; i += channels, j++) {
        s0 = wav[i];
-        d = ((s0 << COEFF_BITS) - c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS;
+        d = s0 + ((-c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS);
        if (max < d)
            max = d;
        if (min > d)
@@ -79,13 +79,13 @@ static void adx_encode(ADXContext *c, uint8_t *adx, const int16_t *wav,
    s1 = prev->s1;
    s2 = prev->s2;
    for (i = 0, j = 0; j < 32; i += channels, j++) {
-        d = ((wav[i] << COEFF_BITS) - c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS;
+        d = wav[i] + ((-c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS);

        d = av_clip_intp2(ROUNDED_DIV(d, scale), 3);

        put_sbits(&pb, 4, d);

-        s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS;
+        s0 = d * scale + ((c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS);
        s2 = s1;
        s1 = s0;
    }
--- a/libavcodec/aic.c
+++ b/libavcodec/aic.c
@@ -208,6 +208,9 @@ static int aic_decode_coeffs(GetBitContext *gb, int16_t *dst,
    int mb, idx;
    unsigned val;

+    if (get_bits_left(gb) < 5)
+        return AVERROR_INVALIDDATA;
+
    has_skips  = get_bits1(gb);
    coeff_type = get_bits1(gb);
    coeff_bits = get_bits(gb, 3);
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -171,12 +171,12 @@ static inline int sign_only(int v)
    return v ? FFSIGN(v) : 0;
 }

-static void lpc_prediction(int32_t *error_buffer, int32_t *buffer_out,
+static void lpc_prediction(int32_t *error_buffer, uint32_t *buffer_out,
                           int nb_samples, int bps, int16_t *lpc_coefs,
                           int lpc_order, int lpc_quant)
 {
    int i;
-    int32_t *pred = buffer_out;
+    uint32_t *pred = buffer_out;

    /* first sample always copies */
    *buffer_out = *error_buffer;
@@ -208,27 +208,27 @@ static void lpc_prediction(int32_t *error_buffer, int32_t *buffer_out,
    for (; i < nb_samples; i++) {
        int j;
        int val = 0;
-        int error_val = error_buffer[i];
+        unsigned error_val = error_buffer[i];
        int error_sign;
        int d = *pred++;

        /* LPC prediction */
        for (j = 0; j < lpc_order; j++)
            val += (pred[j] - d) * lpc_coefs[j];
-        val = (val + (1 << (lpc_quant - 1))) >> lpc_quant;
+        val = (val + (1LL << (lpc_quant - 1))) >> lpc_quant;
        val += d + error_val;
        buffer_out[i] = sign_extend(val, bps);

        /* adapt LPC coefficients */
        error_sign = sign_only(error_val);
        if (error_sign) {
-            for (j = 0; j < lpc_order && error_val * error_sign > 0; j++) {
+            for (j = 0; j < lpc_order && (int)(error_val * error_sign) > 0; j++) {
                int sign;
                val  = d - pred[j];
                sign = sign_only(val) * error_sign;
                lpc_coefs[j] -= sign;
-                val *= sign;
-                error_val -= (val >> lpc_quant) * (j + 1);
+                val *= (unsigned)sign;
+                error_val -= (val >> lpc_quant) * (j + 1U);
            }
        }
    }
@@ -250,10 +250,12 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,

    alac->extra_bits = get_bits(&alac->gb, 2) << 3;
    bps = alac->sample_size - alac->extra_bits + channels - 1;
-    if (bps > 32U) {
+    if (bps > 32) {
        avpriv_report_missing_feature(avctx, "bps %d", bps);
        return AVERROR_PATCHWELCOME;
    }
+    if (bps < 1)
+        return AVERROR_INVALIDDATA;

    /* whether the frame is compressed */
    is_compressed = !get_bits1(&alac->gb);
@@ -306,7 +308,7 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,
            rice_history_mult[ch] = get_bits(&alac->gb, 3);
            lpc_order[ch]         = get_bits(&alac->gb, 5);

-            if (lpc_order[ch] >= alac->max_samples_per_frame)
+            if (lpc_order[ch] >= alac->max_samples_per_frame || !lpc_quant[ch])
                return AVERROR_INVALIDDATA;

            /* read the predictor table */
@@ -395,13 +397,13 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,
    case 20: {
        for (ch = 0; ch < channels; ch++) {
            for (i = 0; i < alac->nb_samples; i++)
-                alac->output_samples_buffer[ch][i] <<= 12;
+                alac->output_samples_buffer[ch][i] *= 1U << 12;
        }}
        break;
    case 24: {
        for (ch = 0; ch < channels; ch++) {
            for (i = 0; i < alac->nb_samples; i++)
-                alac->output_samples_buffer[ch][i] <<= 8;
+                alac->output_samples_buffer[ch][i] *= 1U << 8;
        }}
        break;
    }
--- a/libavcodec/alacdsp.c
+++ b/libavcodec/alacdsp.c
@@ -49,7 +49,7 @@ static void append_extra_bits(int32_t *buffer[2], int32_t *extra_bits_buffer[2],

    for (ch = 0; ch < channels; ch++)
        for (i = 0; i < nb_samples; i++)
-            buffer[ch][i] = (buffer[ch][i] << extra_bits) | extra_bits_buffer[ch][i];
+            buffer[ch][i] = ((unsigned)buffer[ch][i] << extra_bits) | extra_bits_buffer[ch][i];
 }

 av_cold void ff_alacdsp_init(ALACDSPContext *c)
--- a/libavcodec/aliaspixdec.c
+++ b/libavcodec/aliaspixdec.c
@@ -62,6 +62,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    if (ret < 0)
        return ret;

+    if (bytestream2_get_bytes_left(&gb) < width*height / 255)
+        return AVERROR_INVALIDDATA;
+
    ret = ff_get_buffer(avctx, f, 0);
    if (ret < 0)
        return ret;
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -348,6 +348,11 @@ static av_cold int read_specific_config(ALSDecContext *ctx)
    if (als_id != MKBETAG('A','L','S','\0'))
        return AVERROR_INVALIDDATA;

+    if (avctx->channels > FF_SANE_NB_CHANNELS) {
+        avpriv_request_sample(avctx, "Huge number of channels\n");
+        return AVERROR_PATCHWELCOME;
+    }
+
    ctx->cur_frame_length = sconf->frame_length;

    // read channel config
@@ -487,7 +492,7 @@ static void parse_bs_info(const uint32_t bs_info, unsigned int n,
 static int32_t decode_rice(GetBitContext *gb, unsigned int k)
 {
    int max = get_bits_left(gb) - k;
-    int q   = get_unary(gb, 0, max);
+    unsigned q = get_unary(gb, 0, max);
    int r   = k ? get_bits1(gb) : !(q & 1);

    if (k > 1) {
@@ -507,7 +512,7 @@ static void parcor_to_lpc(unsigned int k, const int32_t *par, int32_t *cof)
    int i, j;

    for (i = 0, j = k - 1; i < j; i++, j--) {
-        int tmp1 = ((MUL64(par[k], cof[j]) + (1 << 19)) >> 20);
+        unsigned tmp1 = ((MUL64(par[k], cof[j]) + (1 << 19)) >> 20);
        cof[j]  += ((MUL64(par[k], cof[i]) + (1 << 19)) >> 20);
        cof[i]  += tmp1;
    }
@@ -657,7 +662,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)

    // do not continue in case of a damaged stream since
    // block_length must be evenly divisible by sub_blocks
-    if (bd->block_length & (sub_blocks - 1)) {
+    if (bd->block_length & (sub_blocks - 1) || bd->block_length <= 0) {
        av_log(avctx, AV_LOG_WARNING,
               "Block length is not evenly divisible by the number of subblocks.\n");
        return AVERROR_INVALIDDATA;
@@ -767,8 +772,8 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
        if (*bd->use_ltp) {
            int r, c;

-            bd->ltp_gain[0]   = decode_rice(gb, 1) << 3;
-            bd->ltp_gain[1]   = decode_rice(gb, 2) << 3;
+            bd->ltp_gain[0]   = decode_rice(gb, 1) * 8;
+            bd->ltp_gain[1]   = decode_rice(gb, 2) * 8;

            r                 = get_unary(gb, 0, 4);
            c                 = get_bits(gb, 2);
@@ -779,8 +784,8 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)

            bd->ltp_gain[2]   = ltp_gain_values[r][c];

-            bd->ltp_gain[3]   = decode_rice(gb, 2) << 3;
-            bd->ltp_gain[4]   = decode_rice(gb, 1) << 3;
+            bd->ltp_gain[3]   = decode_rice(gb, 2) * 8;
+            bd->ltp_gain[4]   = decode_rice(gb, 1) * 8;

            *bd->ltp_lag      = get_bits(gb, ctx->ltp_lag_length);
            *bd->ltp_lag     += FFMAX(4, opt_order + 1);
@@ -789,14 +794,20 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)

    // read first value and residuals in case of a random access block
    if (bd->ra_block) {
+        start = FFMIN(opt_order, 3);
+        av_assert0(sb_length <= sconf->frame_length);
+        if (sb_length <= start) {
+            // opt_order or sb_length may be corrupted, either way this is unsupported and not well defined in the specification
+            av_log(avctx, AV_LOG_ERROR, "Sub block length smaller or equal start\n");
+            return AVERROR_PATCHWELCOME;
+        }
+
        if (opt_order)
            bd->raw_samples[0] = decode_rice(gb, avctx->bits_per_raw_sample - 4);
        if (opt_order > 1)
            bd->raw_samples[1] = decode_rice(gb, FFMIN(s[0] + 3, ctx->s_max));
        if (opt_order > 2)
            bd->raw_samples[2] = decode_rice(gb, FFMIN(s[0] + 1, ctx->s_max));
-
-        start = FFMIN(opt_order, 3);
    }

    // read all residuals
@@ -810,7 +821,9 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
        unsigned int low;
        unsigned int value;

-        ff_bgmc_decode_init(gb, &high, &low, &value);
+        int ret = ff_bgmc_decode_init(gb, &high, &low, &value);
+        if (ret < 0)
+            return ret;

        current_res = bd->raw_samples + start;

@@ -820,6 +833,9 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
            k    [sb] = s[sb] > b ? s[sb] - b : 0;
            delta[sb] = 5 - s[sb] + k[sb];

+            if (k[sb] >= 32)
+                return AVERROR_INVALIDDATA;
+
            ff_bgmc_decode(gb, sb_len, current_res,
                        delta[sb], sx[sb], &high, &low, &value, ctx->bgmc_lut, ctx->bgmc_lut_status);

@@ -861,7 +877,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
                    res >>= 1;

                    if (cur_k) {
-                        res  *= 1 << cur_k;
+                        res  *= 1U << cur_k;
                        res  |= get_bits_long(gb, cur_k);
                    }
                }
@@ -912,7 +928,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
            y = 1 << 6;

            for (base = begin; base < end; base++, tab++)
-                y += MUL64(bd->ltp_gain[tab], raw_samples[base]);
+                y += (uint64_t)MUL64(bd->ltp_gain[tab], raw_samples[base]);

            raw_samples[ltp_smp] += y >> 7;
        }
@@ -924,7 +940,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
            y = 1 << 19;

            for (sb = 0; sb < smp; sb++)
-                y += MUL64(lpc_cof[sb], raw_samples[-(sb + 1)]);
+                y += (uint64_t)MUL64(lpc_cof[sb], raw_samples[-(sb + 1)]);

            *raw_samples++ -= y >> 20;
            parcor_to_lpc(smp, quant_cof, lpc_cof);
@@ -940,7 +956,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)

        // reconstruct difference signal for prediction (joint-stereo)
        if (bd->js_blocks && bd->raw_other) {
-            int32_t *left, *right;
+            uint32_t *left, *right;

            if (bd->raw_other > raw_samples) {  // D = R - L
                left  = raw_samples;
@@ -974,7 +990,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
        y = 1 << 19;

        for (sb = -opt_order; sb < 0; sb++)
-            y += MUL64(lpc_cof[sb], raw_samples[sb]);
+            y += (uint64_t)MUL64(lpc_cof[sb], raw_samples[sb]);

        *raw_samples -= y >> 20;
    }
@@ -1033,7 +1049,7 @@ static int decode_block(ALSDecContext *ctx, ALSBlockData *bd)

    if (*bd->shift_lsbs)
        for (smp = 0; smp < bd->block_length; smp++)
-            bd->raw_samples[smp] <<= *bd->shift_lsbs;
+            bd->raw_samples[smp] = (unsigned)bd->raw_samples[smp] << *bd->shift_lsbs;

    return 0;
 }
@@ -1169,10 +1185,10 @@ static int decode_blocks(ALSDecContext *ctx, unsigned int ra_frame,
                av_log(ctx->avctx, AV_LOG_WARNING, "Invalid channel pair.\n");

            for (s = 0; s < div_blocks[b]; s++)
-                bd[0].raw_samples[s] = bd[1].raw_samples[s] - bd[0].raw_samples[s];
+                bd[0].raw_samples[s] = bd[1].raw_samples[s] - (unsigned)bd[0].raw_samples[s];
        } else if (bd[1].js_blocks) {
            for (s = 0; s < div_blocks[b]; s++)
-                bd[1].raw_samples[s] = bd[1].raw_samples[s] + bd[0].raw_samples[s];
+                bd[1].raw_samples[s] = bd[1].raw_samples[s] + (unsigned)bd[0].raw_samples[s];
        }

        offset  += div_blocks[b];
@@ -1379,6 +1395,9 @@ static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b) {
    mantissa_temp = (uint64_t)a.mant * (uint64_t)b.mant;
    mask_64       = (uint64_t)0x1 << 47;

+    if (!mantissa_temp)
+        return FLOAT_0;
+
    // Count the valid bit count
    while (!(mantissa_temp & mask_64) && mask_64) {
        bit_count--;
@@ -1395,7 +1414,11 @@ static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b) {
        }
    }

-    mantissa = (unsigned int)(mantissa_temp >> cutoff_bit_count);
+    if (cutoff_bit_count >= 0) {
+        mantissa = (unsigned int)(mantissa_temp >> cutoff_bit_count);
+    } else {
+        mantissa = (unsigned int)(mantissa_temp <<-cutoff_bit_count);
+    }

    // Need one more shift?
    if (mantissa & 0x01000000ul) {
@@ -1407,7 +1430,7 @@ static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b) {
        return_val = 0x80000000U;
    }

-    return_val |= (a.exp + b.exp + bit_count - 47) << 23;
+    return_val |= ((unsigned)av_clip(a.exp + b.exp + bit_count - 47, -126, 127) << 23) & 0x7F800000;
    return_val |= mantissa;
    return av_bits2sf_ieee754(return_val);
 }
@@ -1452,6 +1475,9 @@ static int read_diff_float_data(ALSDecContext *ctx, unsigned int ra_frame) {
        ff_mlz_flush_dict(ctx->mlz);
    }

+    if (avctx->channels * 8 > get_bits_left(gb))
+        return AVERROR_INVALIDDATA;
+
    for (c = 0; c < avctx->channels; ++c) {
        if (use_acf) {
            //acf_flag
@@ -1792,15 +1818,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
    #define INTERLEAVE_OUTPUT(bps)                                                   \
    {                                                                                \
        int##bps##_t *dest = (int##bps##_t*)frame->data[0];                          \
+        int channels = avctx->channels;                                              \
+        int32_t **raw_samples = ctx->raw_samples;                                    \
        shift = bps - ctx->avctx->bits_per_raw_sample;                               \
        if (!ctx->cs_switch) {                                                       \
            for (sample = 0; sample < ctx->cur_frame_length; sample++)               \
-                for (c = 0; c < avctx->channels; c++)                                \
-                    *dest++ = ctx->raw_samples[c][sample] << shift;                  \
+                for (c = 0; c < channels; c++)                                       \
+                    *dest++ = raw_samples[c][sample] * (1U << shift);                \
        } else {                                                                     \
            for (sample = 0; sample < ctx->cur_frame_length; sample++)               \
-                for (c = 0; c < avctx->channels; c++)                                \
-                    *dest++ = ctx->raw_samples[sconf->chan_pos[c]][sample] << shift; \
+                for (c = 0; c < channels; c++)                                       \
+                    *dest++ = raw_samples[sconf->chan_pos[c]][sample] * (1U << shift);\
        }                                                                            \
    }

@@ -1984,6 +2012,8 @@ static av_cold int decode_init(AVCodecContext *avctx)

    // allocate quantized parcor coefficient buffer
    num_buffers = sconf->mc_coding ? avctx->channels : 1;
+    if (num_buffers * (uint64_t)num_buffers > INT_MAX) // protect chan_data_buffer allocation
+        return AVERROR_INVALIDDATA;

    ctx->quant_cof        = av_malloc_array(num_buffers, sizeof(*ctx->quant_cof));
    ctx->lpc_cof          = av_malloc_array(num_buffers, sizeof(*ctx->lpc_cof));
@@ -2116,7 +2146,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
    return 0;

 fail:
-    decode_end(avctx);
    return ret;
 }

@@ -2142,4 +2171,5 @@ AVCodec ff_als_decoder = {
    .decode         = decode_frame,
    .flush          = flush,
    .capabilities   = AV_CODEC_CAP_SUBFRAMES | AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
 };
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -438,7 +438,7 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
    int64_t          timestamp = AV_NOPTS_VALUE;
    int64_t          size = buffer->pVtbl->GetSize(buffer);

-    if ((ret = ff_alloc_packet2(avctx, pkt, size, 0)) < 0) {
+    if ((ret = av_new_packet(pkt, size)) < 0) {
        return ret;
    }
    memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
--- a/libavcodec/anm.c
+++ b/libavcodec/anm.c
@@ -119,6 +119,9 @@ static int decode_frame(AVCodecContext *avctx,
    uint8_t *dst, *dst_end;
    int count, ret;

+    if (buf_size < 7)
+        return AVERROR_INVALIDDATA;
+
    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
        return ret;
    dst     = s->frame->data[0];
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -460,7 +460,7 @@ static inline void update_rice(APERice *rice, unsigned int x)

    if (rice->ksum < lim)
        rice->k--;
-    else if (rice->ksum >= (1 << (rice->k + 5)))
+    else if (rice->ksum >= (1 << (rice->k + 5)) && rice->k < 24)
        rice->k++;
 }

@@ -554,7 +554,7 @@ static inline int ape_decode_value_3990(APEContext *ctx, APERice *rice)
    overflow = range_get_symbol(ctx, counts_3980, counts_diff_3980);

    if (overflow == (MODEL_ELEMENTS - 1)) {
-        overflow  = range_decode_bits(ctx, 16) << 16;
+        overflow  = (unsigned)range_decode_bits(ctx, 16) << 16;
        overflow |= range_decode_bits(ctx, 16);
    }

@@ -589,7 +589,7 @@ static void decode_array_0000(APEContext *ctx, GetBitContext *gb,
                              int32_t *out, APERice *rice, int blockstodecode)
 {
    int i;
-    int ksummax, ksummin;
+    unsigned ksummax, ksummin;

    rice->ksum = 0;
    for (i = 0; i < FFMIN(blockstodecode, 5); i++) {
@@ -610,7 +610,7 @@ static void decode_array_0000(APEContext *ctx, GetBitContext *gb,
    ksummin = rice->k ? (1 << rice->k + 6) : 0;
    for (; i < blockstodecode; i++) {
        out[i] = get_rice_ook(&ctx->gb, rice->k);
-        rice->ksum += out[i] - out[i - 64];
+        rice->ksum += out[i] - (unsigned)out[i - 64];
        while (rice->ksum < ksummin) {
            rice->k--;
            ksummin = rice->k ? ksummin >> 1 : 0;
@@ -836,7 +836,7 @@ static av_always_inline int filter_fast_3320(APEPredictor *p,
    else
        p->coeffsA[filter][0]--;

-    p->filterA[filter] += p->lastA[filter];
+    p->filterA[filter] += (unsigned)p->lastA[filter];

    return p->filterA[filter];
 }
@@ -859,9 +859,9 @@ static av_always_inline int filter_3800(APEPredictor *p,
        return predictionA;
    }
    d2 =  p->buf[delayA];
-    d1 = (p->buf[delayA] - p->buf[delayA - 1]) << 1;
-    d0 =  p->buf[delayA] + ((p->buf[delayA - 2] - p->buf[delayA - 1]) << 3);
-    d3 =  p->buf[delayB] * 2 - p->buf[delayB - 1];
+    d1 = (p->buf[delayA] - p->buf[delayA - 1]) * 2U;
+    d0 =  p->buf[delayA] + ((p->buf[delayA - 2] - p->buf[delayA - 1]) * 8U);
+    d3 =  p->buf[delayB] * 2U - p->buf[delayB - 1];
    d4 =  p->buf[delayB];

    predictionA = d0 * p->coeffsA[filter][0] +
@@ -881,7 +881,7 @@ static av_always_inline int filter_3800(APEPredictor *p,
    p->coeffsB[filter][1] -= (((d4 >> 30) & 2) - 1) * sign;

    p->filterB[filter] = p->lastA[filter] + (predictionB >> shift);
-    p->filterA[filter] = p->filterB[filter] + ((p->filterA[filter] * 31) >> 5);
+    p->filterA[filter] = p->filterB[filter] + (unsigned)((int)(p->filterA[filter] * 31U) >> 5);

    return p->filterA[filter];
 }
@@ -902,7 +902,7 @@ static void long_filter_high_3800(int32_t *buffer, int order, int shift, int len
        dotprod = 0;
        sign = APESIGN(buffer[i]);
        for (j = 0; j < order; j++) {
-            dotprod += delay[j] * coeffs[j];
+            dotprod += delay[j] * (unsigned)coeffs[j];
            coeffs[j] += ((delay[j] >> 31) | 1) * sign;
        }
        buffer[i] -= dotprod >> shift;
@@ -916,7 +916,8 @@ static void long_filter_ehigh_3830(int32_t *buffer, int length)
 {
    int i, j;
    int32_t dotprod, sign;
-    int32_t coeffs[8] = { 0 }, delay[8] = { 0 };
+    int32_t delay[8] = { 0 };
+    uint32_t coeffs[8] = { 0 };

    for (i = 0; i < length; i++) {
        dotprod = 0;
@@ -1051,7 +1052,7 @@ static av_always_inline int predictor_update_3930(APEPredictor *p,
                  d3 * p->coeffsA[filter][3];

    p->lastA[filter] = decoded + (predictionA >> 9);
-    p->filterA[filter] = p->lastA[filter] + ((p->filterA[filter] * 31) >> 5);
+    p->filterA[filter] = p->lastA[filter] + ((int)(p->filterA[filter] * 31U) >> 5);

    sign = APESIGN(decoded);
    p->coeffsA[filter][0] += ((d0 < 0) * 2 - 1) * sign;
@@ -1121,7 +1122,7 @@ static av_always_inline int predictor_update_filter(APEPredictor *p,

    p->buf[delayA]     = p->lastA[filter];
    p->buf[adaptA]     = APESIGN(p->buf[delayA]);
-    p->buf[delayA - 1] = p->buf[delayA] - p->buf[delayA - 1];
+    p->buf[delayA - 1] = p->buf[delayA] - (unsigned)p->buf[delayA - 1];
    p->buf[adaptA - 1] = APESIGN(p->buf[delayA - 1]);

    predictionA = p->buf[delayA    ] * p->coeffsA[filter][0] +
@@ -1130,9 +1131,9 @@ static av_always_inline int predictor_update_filter(APEPredictor *p,
                  p->buf[delayA - 3] * p->coeffsA[filter][3];

    /*  Apply a scaled first-order filter compression */
-    p->buf[delayB]     = p->filterA[filter ^ 1] - ((p->filterB[filter] * 31) >> 5);
+    p->buf[delayB]     = p->filterA[filter ^ 1] - ((int)(p->filterB[filter] * 31U) >> 5);
    p->buf[adaptB]     = APESIGN(p->buf[delayB]);
-    p->buf[delayB - 1] = p->buf[delayB] - p->buf[delayB - 1];
+    p->buf[delayB - 1] = p->buf[delayB] - (unsigned)p->buf[delayB - 1];
    p->buf[adaptB - 1] = APESIGN(p->buf[delayB - 1]);
    p->filterB[filter] = p->filterA[filter ^ 1];

@@ -1142,8 +1143,8 @@ static av_always_inline int predictor_update_filter(APEPredictor *p,
                  p->buf[delayB - 3] * p->coeffsB[filter][3] +
                  p->buf[delayB - 4] * p->coeffsB[filter][4];

-    p->lastA[filter] = decoded + ((predictionA + (predictionB >> 1)) >> 10);
-    p->filterA[filter] = p->lastA[filter] + ((p->filterA[filter] * 31) >> 5);
+    p->lastA[filter] = decoded + ((int)((unsigned)predictionA + (predictionB >> 1)) >> 10);
+    p->filterA[filter] = p->lastA[filter] + ((int)(p->filterA[filter] * 31U) >> 5);

    sign = APESIGN(decoded);
    p->coeffsA[filter][0] += p->buf[adaptA    ] * sign;
@@ -1202,14 +1203,14 @@ static void predictor_decode_mono_3950(APEContext *ctx, int count)
        A = *decoded0;

        p->buf[YDELAYA] = currentA;
-        p->buf[YDELAYA - 1] = p->buf[YDELAYA] - p->buf[YDELAYA - 1];
+        p->buf[YDELAYA - 1] = p->buf[YDELAYA] - (unsigned)p->buf[YDELAYA - 1];

        predictionA = p->buf[YDELAYA    ] * p->coeffsA[0][0] +
                      p->buf[YDELAYA - 1] * p->coeffsA[0][1] +
                      p->buf[YDELAYA - 2] * p->coeffsA[0][2] +
                      p->buf[YDELAYA - 3] * p->coeffsA[0][3];

-        currentA = A + (predictionA >> 10);
+        currentA = A + (unsigned)(predictionA >> 10);

        p->buf[YADAPTCOEFFSA]     = APESIGN(p->buf[YDELAYA    ]);
        p->buf[YADAPTCOEFFSA - 1] = APESIGN(p->buf[YDELAYA - 1]);
@@ -1229,7 +1230,7 @@ static void predictor_decode_mono_3950(APEContext *ctx, int count)
            p->buf = p->historybuffer;
        }

-        p->filterA[0] = currentA + ((p->filterA[0] * 31) >> 5);
+        p->filterA[0] = currentA + (unsigned)((int)(p->filterA[0] * 31U) >> 5);
        *(decoded0++) = p->filterA[0];
    }

@@ -1266,8 +1267,8 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f,
                                                     f->delay - order,
                                                     f->adaptcoeffs - order,
                                                     order, APESIGN(*data));
-        res = (res + (1 << (fracbits - 1))) >> fracbits;
-        res += *data;
+        res = (int)(res + (1U << (fracbits - 1))) >> fracbits;
+        res += (unsigned)*data;
        *data++ = res;

        /* Update the output history */
@@ -1282,7 +1283,7 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f,
            /* Version 3.98 and later files */

            /* Update the adaption coefficients */
-            absres = FFABS(res);
+            absres = res < 0 ? -(unsigned)res : res;
            if (absres)
                *f->adaptcoeffs = APESIGN(res) *
                                  (8 << ((absres > f->avg * 3) + (absres > f->avg * 4 / 3)));
@@ -1297,7 +1298,7 @@ static void do_apply_filter(APEContext *ctx, int version, APEFilter *f,
            else
                *f->adaptcoeffs = 0;

-            f->avg += (absres - f->avg) / 16;
+            f->avg += (int)(absres - (unsigned)f->avg) / 16;

            f->adaptcoeffs[-1] >>= 1;
            f->adaptcoeffs[-2] >>= 1;
@@ -1376,7 +1377,7 @@ static void ape_unpack_mono(APEContext *ctx, int count)

 static void ape_unpack_stereo(APEContext *ctx, int count)
 {
-    int32_t left, right;
+    unsigned left, right;
    int32_t *decoded0 = ctx->decoded[0];
    int32_t *decoded1 = ctx->decoded[1];

@@ -1393,7 +1394,7 @@ static void ape_unpack_stereo(APEContext *ctx, int count)

    /* Decorrelate and scale to output depth */
    while (count--) {
-        left = *decoded1 - (*decoded0 / 2);
+        left = *decoded1 - (unsigned)(*decoded0 / 2);
        right = left + *decoded0;

        *(decoded0++) = left;
@@ -1451,7 +1452,8 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
        if (s->fileversion >= 3900) {
            if (offset > 3) {
                av_log(avctx, AV_LOG_ERROR, "Incorrect offset passed\n");
-                s->data = NULL;
+                av_freep(&s->data);
+                s->data_size = 0;
                return AVERROR_INVALIDDATA;
            }
            if (s->data_end - s->ptr < offset) {
@@ -1499,7 +1501,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
    av_fast_malloc(&s->decoded_buffer, &s->decoded_size, decoded_buffer_size);
    if (!s->decoded_buffer)
        return AVERROR(ENOMEM);
-    memset(s->decoded_buffer, 0, s->decoded_size);
+    memset(s->decoded_buffer, 0, decoded_buffer_size);
    s->decoded[0] = s->decoded_buffer;
    s->decoded[1] = s->decoded_buffer + FFALIGN(blockstodecode, 8);

@@ -1541,7 +1543,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
        for (ch = 0; ch < s->channels; ch++) {
            sample24 = (int32_t *)frame->data[ch];
            for (i = 0; i < blockstodecode; i++)
-                *sample24++ = s->decoded[ch][i] << 8;
+                *sample24++ = s->decoded[ch][i] * 256;
        }
        break;
    }
--- a/libavcodec/aptx.c
+++ b/libavcodec/aptx.c
@@ -480,7 +480,7 @@ static void aptx_update_codeword_history(Channel *channel)
    int32_t cw = ((channel->quantize[0].quantized_sample & 3) << 0) +
                 ((channel->quantize[1].quantized_sample & 2) << 1) +
                 ((channel->quantize[2].quantized_sample & 1) << 3);
-    channel->codeword_history = (cw << 8) + (channel->codeword_history << 4);
+    channel->codeword_history = (cw << 8) + ((unsigned)channel->codeword_history << 4);
 }

 static void aptx_generate_dither(Channel *channel)
@@ -492,9 +492,9 @@ static void aptx_generate_dither(Channel *channel)
    aptx_update_codeword_history(channel);

    m = (int64_t)5184443 * (channel->codeword_history >> 7);
-    d = (m << 2) + (m >> 22);
+    d = (m * 4) + (m >> 22);
    for (subband = 0; subband < NB_SUBBANDS; subband++)
-        channel->dither[subband] = d << (23 - 5*subband);
+        channel->dither[subband] = (unsigned)d << (23 - 5*subband);
    channel->dither_parity = (d >> 25) & 1;
 }

@@ -759,12 +759,12 @@ static void aptx_invert_quantization(InvertQuantize *invert_quantize,
    if (quantized_sample < 0)
        qr = -qr;

-    qr = rshift64_clip24(((int64_t)qr<<32) + MUL64(dither, tables->invert_quantize_dither_factors[idx]), 32);
+    qr = rshift64_clip24((qr * (1LL<<32)) + MUL64(dither, tables->invert_quantize_dither_factors[idx]), 32);
    invert_quantize->reconstructed_difference = MUL64(invert_quantize->quantization_factor, qr) >> 19;

    /* update factor_select */
    factor_select = 32620 * invert_quantize->factor_select;
-    factor_select = rshift32(factor_select + (tables->quantize_factor_select_offset[idx] << 15), 15);
+    factor_select = rshift32(factor_select + (tables->quantize_factor_select_offset[idx] * (1 << 15)), 15);
    invert_quantize->factor_select = av_clip(factor_select, 0, tables->factor_max);

    /* update quantization factor */
@@ -801,7 +801,7 @@ static void aptx_prediction_filtering(Prediction *prediction,
    prediction->previous_reconstructed_sample = reconstructed_sample;

    reconstructed_differences = aptx_reconstructed_differences_update(prediction, reconstructed_difference, order);
-    srd0 = FFDIFFSIGN(reconstructed_difference, 0) << 23;
+    srd0 = FFDIFFSIGN(reconstructed_difference, 0) * (1 << 23);
    for (i = 0; i < order; i++) {
        int32_t srd = FF_SIGNBIT(reconstructed_differences[-i-1]) | 1;
        prediction->d_weight[i] -= rshift32(prediction->d_weight[i] - srd*srd0, 8);
@@ -830,7 +830,7 @@ static void aptx_process_subband(InvertQuantize *invert_quantize,

    range = 0x100000;
    sw1 = rshift32(-same_sign[1] * prediction->s_weight[1], 1);
-    sw1 = (av_clip(sw1, -range, range) & ~0xF) << 4;
+    sw1 = (av_clip(sw1, -range, range) & ~0xF) * 16;

    range = 0x300000;
    weight[0] = 254 * prediction->s_weight[0] + 0x800000*same_sign[0] + sw1;
@@ -989,6 +989,9 @@ static av_cold int aptx_init(AVCodecContext *avctx)
    AptXContext *s = avctx->priv_data;
    int chan, subband;

+    if (avctx->channels != 2)
+        return AVERROR_INVALIDDATA;
+
    s->hd = avctx->codec->id == AV_CODEC_ID_APTX_HD;
    s->block_size = s->hd ? 6 : 4;

@@ -1044,7 +1047,7 @@ static int aptx_decode_frame(AVCodecContext *avctx, void *data,
        for (channel = 0; channel < NB_CHANNELS; channel++)
            for (sample = 0; sample < 4; sample++)
                AV_WN32A(&frame->data[channel][4*(opos+sample)],
-                         samples[channel][sample] << 8);
+                         samples[channel][sample] * 256);
    }

    *got_frame_ptr = 1;
--- a/libavcodec/assdec.c
+++ b/libavcodec/assdec.c
@@ -31,7 +31,8 @@ static av_cold int ass_decode_init(AVCodecContext *avctx)
    avctx->subtitle_header = av_malloc(avctx->extradata_size + 1);
    if (!avctx->subtitle_header)
        return AVERROR(ENOMEM);
-    memcpy(avctx->subtitle_header, avctx->extradata, avctx->extradata_size);
+    if (avctx->extradata_size)
+        memcpy(avctx->subtitle_header, avctx->extradata, avctx->extradata_size);
    avctx->subtitle_header[avctx->extradata_size] = 0;
    avctx->subtitle_header_size = avctx->extradata_size;
    return 0;
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -964,7 +964,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
        return AVERROR_INVALIDDATA;
    }

-    if (avctx->block_align >= UINT_MAX / 2)
+    if (avctx->block_align > 1024 || avctx->block_align <= 0)
        return AVERROR(EINVAL);

    q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
--- a/libavcodec/atrac3plus.c
+++ b/libavcodec/atrac3plus.c
@@ -456,6 +456,10 @@ static int decode_channel_wordlen(GetBitContext *gb, Atrac3pChanUnitCtx *ctx,
    } else if (chan->fill_mode == 3) {
        pos = ch_num ? chan->num_coded_vals + chan->split_point
                     : ctx->num_quant_units - chan->split_point;
+        if (pos > FF_ARRAY_ELEMS(chan->qu_wordlen)) {
+            av_log(avctx, AV_LOG_ERROR, "Split point beyond array\n");
+            pos = FF_ARRAY_ELEMS(chan->qu_wordlen);
+        }
        for (i = chan->num_coded_vals; i < pos; i++)
            chan->qu_wordlen[i] = 1;
    }
--- a/libavcodec/atrac9dec.c
+++ b/libavcodec/atrac9dec.c
@@ -71,6 +71,8 @@ typedef struct ATRAC9BlockData {
    int cpe_base_channel;
    int is_signs[30];

+    int reuseable;
+
 } ATRAC9BlockData;

 typedef struct ATRAC9Context {
@@ -119,7 +121,7 @@ static inline int parse_gradient(ATRAC9Context *s, ATRAC9BlockData *b,
    }
    b->grad_boundary = get_bits(gb, 4);

-    if (grad_range[0] >= grad_range[1] || grad_range[1] > 47)
+    if (grad_range[0] >= grad_range[1] || grad_range[1] > 31)
        return AVERROR_INVALIDDATA;

    if (grad_value[0] > 31 || grad_value[1] > 31)
@@ -188,7 +190,7 @@ static inline void calc_precision(ATRAC9Context *s, ATRAC9BlockData *b,
    for (int i = 0; i < b->q_unit_cnt; i++) {
        c->precision_fine[i] = 0;
        if (c->precision_coarse[i] > 15) {
-            c->precision_fine[i] = c->precision_coarse[i] - 15;
+            c->precision_fine[i] = FFMIN(c->precision_coarse[i], 30) - 15;
            c->precision_coarse[i] = 15;
        }
    }
@@ -200,6 +202,8 @@ static inline int parse_band_ext(ATRAC9Context *s, ATRAC9BlockData *b,
    int ext_band = 0;

    if (b->has_band_ext) {
+        if (b->q_unit_cnt < 13 || b->q_unit_cnt > 20)
+            return AVERROR_INVALIDDATA;
        ext_band = at9_tab_band_ext_group[b->q_unit_cnt - 13][2];
        if (stereo) {
            b->channel[1].band_ext = get_bits(gb, 2);
@@ -222,8 +226,18 @@ static inline int parse_band_ext(ATRAC9Context *s, ATRAC9BlockData *b,
    b->channel[0].band_ext = get_bits(gb, 2);
    b->channel[0].band_ext = ext_band > 2 ? b->channel[0].band_ext : 4;

-    if (!get_bits(gb, 5))
+    if (!get_bits(gb, 5)) {
+        for (int i = 0; i <= stereo; i++) {
+            ATRAC9ChannelData *c = &b->channel[i];
+            const int count = at9_tab_band_ext_cnt[c->band_ext][ext_band];
+            for (int j = 0; j < count; j++) {
+                int len = at9_tab_band_ext_lengths[c->band_ext][ext_band][j];
+                c->band_ext_data[j] = av_clip_uintp2_c(c->band_ext_data[j], len);
+            }
+        }
+
        return 0;
+    }

    for (int i = 0; i <= stereo; i++) {
        ATRAC9ChannelData *c = &b->channel[i];
@@ -535,9 +549,6 @@ static inline void apply_band_extension(ATRAC9Context *s, ATRAC9BlockData *b,
        at9_q_unit_to_coeff_idx[g_units[3]],
    };

-    if (!b->has_band_ext || !b->has_band_ext_data)
-        return;
-
    for (int ch = 0; ch <= stereo; ch++) {
        ATRAC9ChannelData *c = &b->channel[ch];

@@ -668,6 +679,7 @@ static int atrac9_decode_block(ATRAC9Context *s, GetBitContext *gb,
    if (!reuse_params) {
        int stereo_band, ext_band;
        const int min_band_count = s->samplerate_idx > 7 ? 1 : 3;
+        b->reuseable = 0;
        b->band_count = get_bits(gb, 4) + min_band_count;
        b->q_unit_cnt = at9_tab_band_q_unit_map[b->band_count];

@@ -699,6 +711,11 @@ static int atrac9_decode_block(ATRAC9Context *s, GetBitContext *gb,
            }
            b->band_ext_q_unit = at9_tab_band_q_unit_map[ext_band];
        }
+        b->reuseable = 1;
+    }
+    if (!b->reuseable) {
+        av_log(s->avctx, AV_LOG_ERROR, "invalid block reused!\n");
+        return AVERROR_INVALIDDATA;
    }

    /* Calculate bit alloc gradient */
@@ -741,7 +758,9 @@ static int atrac9_decode_block(ATRAC9Context *s, GetBitContext *gb,

    apply_intensity_stereo(s, b, stereo);
    apply_scalefactors    (s, b, stereo);
-    apply_band_extension  (s, b, stereo);
+
+    if (b->has_band_ext && b->has_band_ext_data)
+        apply_band_extension  (s, b, stereo);

 imdct:
    for (int i = 0; i <= stereo; i++) {
@@ -833,6 +852,11 @@ static av_cold int atrac9_decode_init(AVCodecContext *avctx)

    av_lfg_init(&s->lfg, 0xFBADF00D);

+    if (avctx->block_align <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid block align\n");
+        return AVERROR_INVALIDDATA;
+    }
+
    if (avctx->extradata_size != 12) {
        av_log(avctx, AV_LOG_ERROR, "Invalid extradata length!\n");
        return AVERROR_INVALIDDATA;
@@ -862,6 +886,7 @@ static av_cold int atrac9_decode_init(AVCodecContext *avctx)
    s->block_config = &at9_block_layout[block_config_idx];

    avctx->channel_layout = s->block_config->channel_layout;
+    avctx->channels       = av_get_channel_layout_nb_channels(avctx->channel_layout);
    avctx->sample_fmt     = AV_SAMPLE_FMT_FLTP;

    if (get_bits1(&gb)) {
--- a/libavcodec/audiodsp.c
+++ b/libavcodec/audiodsp.c
@@ -79,7 +79,7 @@ static void vector_clipf_c(float *dst, const float *src, int len,
 static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2,
                                     int order)
 {
-    int res = 0;
+    unsigned res = 0;

    while (order--)
        res += *v1++ **v2++;
--- a/libavcodec/av1_parser.c
+++ b/libavcodec/av1_parser.c
@@ -68,8 +68,7 @@ static int av1_parser_parse(AVCodecParserContext *ctx,

        ret = ff_cbs_read(s->cbc, td, avctx->extradata, avctx->extradata_size);
        if (ret < 0) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to parse extradata.\n");
-            goto end;
+            av_log(avctx, AV_LOG_WARNING, "Failed to parse extradata.\n");
        }

        ff_cbs_fragment_uninit(s->cbc, td);
@@ -101,6 +100,9 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
        else
            continue;

+        if (obu->header.spatial_id > 0)
+            continue;
+
        if (frame->show_existing_frame) {
            AV1ReferenceFrameState *ref = &av1->ref[frame->frame_to_show_map_idx];

--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1321,7 +1321,7 @@ enum AVPacketSideDataType {
    AV_PKT_DATA_METADATA_UPDATE,

    /**
-     * MPEGTS stream ID, this is required to pass the stream ID
+     * MPEGTS stream ID as uint8_t, this is required to pass the stream ID
     * information from the demuxer to the corresponding muxer.
     */
    AV_PKT_DATA_MPEGTS_STREAM_ID,
--- a/libavcodec/avdct.c
+++ b/libavcodec/avdct.c
@@ -100,7 +100,7 @@ int avcodec_dct_init(AVDCT *dsp)

 #if CONFIG_IDCTDSP
    {
-        IDCTDSPContext idsp;
+        IDCTDSPContext idsp = {0};
        ff_idctdsp_init(&idsp, avctx);
        COPY(idsp, idct);
        COPY(idsp, idct_permutation);
--- a/libavcodec/bethsoftvideo.c
+++ b/libavcodec/bethsoftvideo.c
@@ -109,6 +109,11 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
            if(yoffset >= avctx->height)
                return AVERROR_INVALIDDATA;
            dst += vid->frame->linesize[0] * yoffset;
+        case VIDEO_P_FRAME:
+        case VIDEO_I_FRAME:
+            break;
+        default:
+            return AVERROR_INVALIDDATA;
    }

    // main code
--- a/libavcodec/bgmc.c
+++ b/libavcodec/bgmc.c
@@ -485,12 +485,17 @@ av_cold void ff_bgmc_end(uint8_t **cf_lut, int **cf_lut_status)


 /** Initialize decoding and reads the first value */
-void ff_bgmc_decode_init(GetBitContext *gb, unsigned int *h,
+int ff_bgmc_decode_init(GetBitContext *gb, unsigned int *h,
                         unsigned int *l, unsigned int *v)
 {
+    if (get_bits_left(gb) < VALUE_BITS)
+        return AVERROR_INVALIDDATA;
+
    *h = TOP_VALUE;
    *l = 0;
    *v = get_bits_long(gb, VALUE_BITS);
+
+    return 0;
 }


--- a/libavcodec/bgmc.h
+++ b/libavcodec/bgmc.h
@@ -40,7 +40,7 @@ int ff_bgmc_init(AVCodecContext *avctx, uint8_t **cf_lut, int **cf_lut_status);
 void ff_bgmc_end(uint8_t **cf_lut, int **cf_lut_status);


-void ff_bgmc_decode_init(GetBitContext *gb,
+int ff_bgmc_decode_init(GetBitContext *gb,
                      unsigned int *h, unsigned int *l, unsigned int *v);


--- a/libavcodec/bink.c
+++ b/libavcodec/bink.c
@@ -702,15 +702,15 @@ static int read_dct_coeffs(GetBitContext *gb, int32_t block[64],
    return quant_idx;
 }

-static void unquantize_dct_coeffs(int32_t block[64], const int32_t quant[64],
+static void unquantize_dct_coeffs(int32_t block[64], const uint32_t quant[64],
                                  int coef_count, int coef_idx[64],
                                  const uint8_t *scan)
 {
    int i;
-    block[0] = (block[0] * quant[0]) >> 11;
+    block[0] = (int)(block[0] * quant[0]) >> 11;
    for (i = 0; i < coef_count; i++) {
        int idx = coef_idx[i];
-        block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;
+        block[scan[idx]] = (int)(block[scan[idx]] * quant[idx]) >> 11;
    }
 }

@@ -1335,13 +1335,13 @@ static av_cold int decode_init(AVCodecContext *avctx)
    }
    c->avctx = avctx;

+    if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
+        return ret;
+
    c->last = av_frame_alloc();
    if (!c->last)
        return AVERROR(ENOMEM);

-    if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
-        return ret;
-
    avctx->pix_fmt = c->has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;
    avctx->color_range = c->version == 'k' ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;

--- a/libavcodec/binkaudio.c
+++ b/libavcodec/binkaudio.c
@@ -95,6 +95,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
    if (avctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT) {
        // audio is already interleaved for the RDFT format variant
        avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
+        if (sample_rate > INT_MAX / avctx->channels)
+            return AVERROR_INVALIDDATA;
        sample_rate  *= avctx->channels;
        s->channels = 1;
        if (!s->version_b)
@@ -107,7 +109,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
    s->frame_len     = 1 << frame_len_bits;
    s->overlap_len   = s->frame_len / 16;
    s->block_size    = (s->frame_len - s->overlap_len) * s->channels;
-    sample_rate_half = (sample_rate + 1) / 2;
+    sample_rate_half = (sample_rate + 1LL) / 2;
    if (avctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT)
        s->root = 2.0 / (sqrt(s->frame_len) * 32768.0);
    else
--- a/libavcodec/binkdsp.c
+++ b/libavcodec/binkdsp.c
@@ -33,20 +33,22 @@
 #define A3  3784
 #define A4 -5352

+#define MUL(X,Y) ((int)((unsigned)(X) * (Y)) >> 11)
+
 #define IDCT_TRANSFORM(dest,s0,s1,s2,s3,s4,s5,s6,s7,d0,d1,d2,d3,d4,d5,d6,d7,munge,src) {\
    const int a0 = (src)[s0] + (src)[s4]; \
    const int a1 = (src)[s0] - (src)[s4]; \
    const int a2 = (src)[s2] + (src)[s6]; \
-    const int a3 = (A1*((src)[s2] - (src)[s6])) >> 11; \
+    const int a3 = MUL(A1, (src)[s2] - (src)[s6]); \
    const int a4 = (src)[s5] + (src)[s3]; \
    const int a5 = (src)[s5] - (src)[s3]; \
    const int a6 = (src)[s1] + (src)[s7]; \
    const int a7 = (src)[s1] - (src)[s7]; \
    const int b0 = a4 + a6; \
-    const int b1 = (A3*(a5 + a7)) >> 11; \
-    const int b2 = ((A4*a5) >> 11) - b0 + b1; \
-    const int b3 = (A1*(a6 - a4) >> 11) - b2; \
-    const int b4 = ((A2*a7) >> 11) + b3 - b1; \
+    const int b1 = MUL(A3, a5 + a7); \
+    const int b2 = MUL(A4, a5) - b0 + b1; \
+    const int b3 = MUL(A1, a6 - a4) - b2; \
+    const int b4 = MUL(A2, a7) + b3 - b1; \
    (dest)[d0] = munge(a0+a2   +b0); \
    (dest)[d1] = munge(a1+a3-a2+b2); \
    (dest)[d2] = munge(a1-a3+a2+b3); \
--- a/libavcodec/bintext.c
+++ b/libavcodec/bintext.c
@@ -63,6 +63,10 @@ static av_cold int decode_init(AVCodecContext *avctx)
            av_log(avctx, AV_LOG_ERROR, "not enough extradata\n");
            return AVERROR_INVALIDDATA;
        }
+        if (!s->font_height) {
+            av_log(avctx, AV_LOG_ERROR, "invalid font height\n");
+            return AVERROR_INVALIDDATA;
+        }
    } else {
        s->font_height = 8;
        s->flags = 0;
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -162,9 +162,9 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
    uint32_t code;
    volatile VLC_TYPE (* volatile table)[2]; // the double volatile is needed to prevent an internal compiler error in gcc 4.2

-    table_size = 1 << table_nb_bits;
    if (table_nb_bits > 30)
       return -1;
+    table_size = 1 << table_nb_bits;
    table_index = alloc_table(vlc, table_size, flags & INIT_VLC_USE_NEW_STATIC);
    ff_dlog(NULL, "new table index=%d size=%d\n", table_index, table_size);
    if (table_index < 0)
@@ -188,8 +188,9 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
            }
            for (k = 0; k < nb; k++) {
                int bits = table[j][1];
+                int oldsym  = table[j][0];
                ff_dlog(NULL, "%4x: code=%d n=%d\n", j, i, n);
-                if (bits != 0 && bits != n) {
+                if ((bits || oldsym) && (bits != n || oldsym != symbol)) {
                    av_log(NULL, AV_LOG_ERROR, "incorrect codes\n");
                    return AVERROR_INVALIDDATA;
                }
@@ -226,6 +227,10 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
            /* note: realloc has been done, so reload tables */
            table = (volatile VLC_TYPE (*)[2])&vlc->table[table_index];
            table[j][0] = index; //code
+            if (table[j][0] != index) {
+                avpriv_request_sample(NULL, "strange codes");
+                return AVERROR_PATCHWELCOME;
+            }
            i = k-1;
        }
    }
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -291,7 +291,7 @@ static int bmp_decode_frame(AVCodecContext *avctx,
        case 1:
            for (i = 0; i < avctx->height; i++) {
                int j;
-                for (j = 0; j < n; j++) {
+                for (j = 0; j < avctx->width >> 3; j++) {
                    ptr[j*8+0] =  buf[j] >> 7;
                    ptr[j*8+1] = (buf[j] >> 6) & 1;
                    ptr[j*8+2] = (buf[j] >> 5) & 1;
@@ -301,6 +301,9 @@ static int bmp_decode_frame(AVCodecContext *avctx,
                    ptr[j*8+6] = (buf[j] >> 1) & 1;
                    ptr[j*8+7] =  buf[j]       & 1;
                }
+                for (j = 0; j < (avctx->width & 7); j++) {
+                    ptr[avctx->width - (avctx->width & 7) + j] = buf[avctx->width >> 3] >> (7 - j) & 1;
+                }
                buf += n;
                ptr += linesize;
            }
--- a/libavcodec/brenderpix.c
+++ b/libavcodec/brenderpix.c
@@ -204,6 +204,10 @@ static int pix_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
        avpriv_request_sample(avctx, "Format %d", hdr.format);
        return AVERROR_PATCHWELCOME;
    }
+    bytes_per_scanline = bytes_pp * hdr.width;
+
+    if (bytestream2_get_bytes_left(&gb) < hdr.height * bytes_per_scanline)
+        return AVERROR_INVALIDDATA;

    if ((ret = ff_set_dimensions(avctx, hdr.width, hdr.height)) < 0)
        return ret;
@@ -261,7 +265,6 @@ static int pix_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    bytestream2_skip(&gb, 8);

    // read the image data to the buffer
-    bytes_per_scanline = bytes_pp * hdr.width;
    bytes_left = bytestream2_get_bytes_left(&gb);

    if (chunk_type != IMAGE_DATA_CHUNK || data_len != bytes_left ||
--- a/libavcodec/bsf.c
+++ b/libavcodec/bsf.c
@@ -47,7 +47,8 @@ void av_bsf_free(AVBSFContext **pctx)

    av_opt_free(ctx);

-    av_packet_free(&ctx->internal->buffer_pkt);
+    if (ctx->internal)
+        av_packet_free(&ctx->internal->buffer_pkt);
    av_freep(&ctx->internal);
    av_freep(&ctx->priv_data);

--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -591,14 +591,21 @@ static int decode_residual_block(AVSContext *h, GetBitContext *gb,
 }


-static inline void decode_residual_chroma(AVSContext *h)
+static inline int decode_residual_chroma(AVSContext *h)
 {
-    if (h->cbp & (1 << 4))
-        decode_residual_block(h, &h->gb, chroma_dec, 0,
+    if (h->cbp & (1 << 4)) {
+        int ret = decode_residual_block(h, &h->gb, chroma_dec, 0,
                              ff_cavs_chroma_qp[h->qp], h->cu, h->c_stride);
-    if (h->cbp & (1 << 5))
-        decode_residual_block(h, &h->gb, chroma_dec, 0,
+        if (ret < 0)
+            return ret;
+    }
+    if (h->cbp & (1 << 5)) {
+        int ret = decode_residual_block(h, &h->gb, chroma_dec, 0,
                              ff_cavs_chroma_qp[h->qp], h->cv, h->c_stride);
+        if (ret < 0)
+            return ret;
+    }
+    return 0;
 }

 static inline int decode_residual_inter(AVSContext *h)
@@ -649,6 +656,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code)
    uint8_t top[18];
    uint8_t *left = NULL;
    uint8_t *d;
+    int ret;

    ff_cavs_init_mb(h);

@@ -692,8 +700,11 @@ static int decode_mb_i(AVSContext *h, int cbp_code)
        ff_cavs_load_intra_pred_luma(h, top, &left, block);
        h->intra_pred_l[h->pred_mode_Y[scan3x3[block]]]
            (d, top, left, h->l_stride);
-        if (h->cbp & (1<<block))
-            decode_residual_block(h, gb, intra_dec, 1, h->qp, d, h->l_stride);
+        if (h->cbp & (1<<block)) {
+            ret = decode_residual_block(h, gb, intra_dec, 1, h->qp, d, h->l_stride);
+            if (ret < 0)
+                return ret;
+        }
    }

    /* chroma intra prediction */
@@ -703,7 +714,9 @@ static int decode_mb_i(AVSContext *h, int cbp_code)
    h->intra_pred_c[pred_mode_uv](h->cv, &h->top_border_v[h->mbx * 10],
                                  h->left_border_v, h->c_stride);

-    decode_residual_chroma(h);
+    ret = decode_residual_chroma(h);
+    if (ret < 0)
+        return ret;
    ff_cavs_filter(h, I_8X8);
    set_mv_intra(h);
    return 0;
@@ -1202,6 +1215,7 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    int input_size, ret;
    const uint8_t *buf_end;
    const uint8_t *buf_ptr;
+    int frame_start = 0;

    if (buf_size == 0) {
        if (!h->low_delay && h->DPB[0].f->data[0]) {
@@ -1235,6 +1249,9 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                h->got_keyframe = 1;
            }
        case PIC_PB_START_CODE:
+            if (frame_start > 1)
+                return AVERROR_INVALIDDATA;
+            frame_start ++;
            if (*got_frame)
                av_frame_unref(data);
            *got_frame = 0;
--- a/libavcodec/cavsdsp.c
+++ b/libavcodec/cavsdsp.c
@@ -201,20 +201,20 @@ static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, ptrdiff_t stride)
    src[0][0] += 8;

    for( i = 0; i < 8; i++ ) {
-        const int a0 =  3*src[i][1] - (src[i][7]<<1);
-        const int a1 =  3*src[i][3] + (src[i][5]<<1);
-        const int a2 =  (src[i][3]<<1) - 3*src[i][5];
-        const int a3 =  (src[i][1]<<1) + 3*src[i][7];
+        const int a0 = 3 * src[i][1] - 2 * src[i][7];
+        const int a1 = 3 * src[i][3] + 2 * src[i][5];
+        const int a2 = 2 * src[i][3] - 3 * src[i][5];
+        const int a3 = 2 * src[i][1] + 3 * src[i][7];

-        const int b4 = ((a0 + a1 + a3)<<1) + a1;
-        const int b5 = ((a0 - a1 + a2)<<1) + a0;
-        const int b6 = ((a3 - a2 - a1)<<1) + a3;
-        const int b7 = ((a0 - a2 - a3)<<1) - a2;
+        const int b4 = 2 * (a0 + a1 + a3) + a1;
+        const int b5 = 2 * (a0 - a1 + a2) + a0;
+        const int b6 = 2 * (a3 - a2 - a1) + a3;
+        const int b7 = 2 * (a0 - a2 - a3) - a2;

-        const int a7 = (src[i][2]<<2) - 10*src[i][6];
-        const int a6 = (src[i][6]<<2) + 10*src[i][2];
-        const int a5 = ((src[i][0] - src[i][4]) << 3) + 4;
-        const int a4 = ((src[i][0] + src[i][4]) << 3) + 4;
+        const int a7 = 4 * src[i][2] - 10 * src[i][6];
+        const int a6 = 4 * src[i][6] + 10 * src[i][2];
+        const int a5 = 8 * (src[i][0] - src[i][4]) + 4;
+        const int a4 = 8 * (src[i][0] + src[i][4]) + 4;

        const int b0 = a4 + a6;
        const int b1 = a5 + a7;
@@ -231,20 +231,20 @@ static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, ptrdiff_t stride)
        src[i][7] = (b0 - b4) >> 3;
    }
    for( i = 0; i < 8; i++ ) {
-        const int a0 =  3*src[1][i] - (src[7][i]<<1);
-        const int a1 =  3*src[3][i] + (src[5][i]<<1);
-        const int a2 =  (src[3][i]<<1) - 3*src[5][i];
-        const int a3 =  (src[1][i]<<1) + 3*src[7][i];
+        const int a0 = 3 * src[1][i] - 2 * src[7][i];
+        const int a1 = 3 * src[3][i] + 2 * src[5][i];
+        const int a2 = 2 * src[3][i] - 3 * src[5][i];
+        const int a3 = 2 * src[1][i] + 3 * src[7][i];

-        const int b4 = ((a0 + a1 + a3)<<1) + a1;
-        const int b5 = ((a0 - a1 + a2)<<1) + a0;
-        const int b6 = ((a3 - a2 - a1)<<1) + a3;
-        const int b7 = ((a0 - a2 - a3)<<1) - a2;
+        const int b4 = 2 * (a0 + a1 + a3) + a1;
+        const int b5 = 2 * (a0 - a1 + a2) + a0;
+        const int b6 = 2 * (a3 - a2 - a1) + a3;
+        const int b7 = 2 * (a0 - a2 - a3) - a2;

-        const int a7 = (src[2][i]<<2) - 10*src[6][i];
-        const int a6 = (src[6][i]<<2) + 10*src[2][i];
-        const int a5 = (src[0][i] - src[4][i]) << 3;
-        const int a4 = (src[0][i] + src[4][i]) << 3;
+        const int a7 = 4 * src[2][i] - 10 * src[6][i];
+        const int a6 = 4 * src[6][i] + 10 * src[2][i];
+        const int a5 = 8 * (src[0][i] - src[4][i]);
+        const int a4 = 8 * (src[0][i] + src[4][i]);

        const int b0 = a4 + a6;
        const int b1 = a5 + a7;
--- a/libavcodec/cbs.c
+++ b/libavcodec/cbs.c
@@ -502,6 +502,85 @@ int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
    return 0;
 }

+int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
+                       int width, const char *name,
+                       const int *subscripts, int32_t *write_to,
+                       int32_t range_min, int32_t range_max)
+{
+    int32_t value;
+    int position;
+
+    av_assert0(width > 0 && width <= 32);
+
+    if (get_bits_left(gbc) < width) {
+        av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid value at "
+               "%s: bitstream ended.\n", name);
+        return AVERROR_INVALIDDATA;
+    }
+
+    if (ctx->trace_enable)
+        position = get_bits_count(gbc);
+
+    value = get_sbits_long(gbc, width);
+
+    if (ctx->trace_enable) {
+        char bits[33];
+        int i;
+        for (i = 0; i < width; i++)
+            bits[i] = value & (1U << (width - i - 1)) ? '1' : '0';
+        bits[i] = 0;
+
+        ff_cbs_trace_syntax_element(ctx, position, name, subscripts,
+                                    bits, value);
+    }
+
+    if (value < range_min || value > range_max) {
+        av_log(ctx->log_ctx, AV_LOG_ERROR, "%s out of range: "
+               "%"PRId32", but must be in [%"PRId32",%"PRId32"].\n",
+               name, value, range_min, range_max);
+        return AVERROR_INVALIDDATA;
+    }
+
+    *write_to = value;
+    return 0;
+}
+
+int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
+                        int width, const char *name,
+                        const int *subscripts, int32_t value,
+                        int32_t range_min, int32_t range_max)
+{
+    av_assert0(width > 0 && width <= 32);
+
+    if (value < range_min || value > range_max) {
+        av_log(ctx->log_ctx, AV_LOG_ERROR, "%s out of range: "
+               "%"PRId32", but must be in [%"PRId32",%"PRId32"].\n",
+               name, value, range_min, range_max);
+        return AVERROR_INVALIDDATA;
+    }
+
+    if (put_bits_left(pbc) < width)
+        return AVERROR(ENOSPC);
+
+    if (ctx->trace_enable) {
+        char bits[33];
+        int i;
+        for (i = 0; i < width; i++)
+            bits[i] = value & (1U << (width - i - 1)) ? '1' : '0';
+        bits[i] = 0;
+
+        ff_cbs_trace_syntax_element(ctx, put_bits_count(pbc),
+                                    name, subscripts, bits, value);
+    }
+
+    if (width < 32)
+        put_sbits(pbc, width, value);
+    else
+        put_bits32(pbc, value);
+
+    return 0;
+}
+

 int ff_cbs_alloc_unit_content(CodedBitstreamContext *ctx,
                              CodedBitstreamUnit *unit,
--- a/libavcodec/cbs_av1.c
+++ b/libavcodec/cbs_av1.c
@@ -29,45 +29,67 @@ static int cbs_av1_read_uvlc(CodedBitstreamContext *ctx, GetBitContext *gbc,
                             const char *name, uint32_t *write_to,
                             uint32_t range_min, uint32_t range_max)
 {
-    uint32_t value;
-    int position, zeroes, i, j;
-    char bits[65];
+    uint32_t zeroes, bits_value, value;
+    int position;

    if (ctx->trace_enable)
        position = get_bits_count(gbc);

-    zeroes = i = 0;
+    zeroes = 0;
    while (1) {
-        if (get_bits_left(gbc) < zeroes + 1) {
+        if (get_bits_left(gbc) < 1) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid uvlc code at "
                   "%s: bitstream ended.\n", name);
            return AVERROR_INVALIDDATA;
        }

-        if (get_bits1(gbc)) {
-            bits[i++] = '1';
+        if (get_bits1(gbc))
            break;
-        } else {
-            bits[i++] = '0';
-            ++zeroes;
-        }
+        ++zeroes;
    }

    if (zeroes >= 32) {
        value = MAX_UINT_BITS(32);
    } else {
-        value = get_bits_long(gbc, zeroes);
+        if (get_bits_left(gbc) < zeroes) {
+            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid uvlc code at "
+                   "%s: bitstream ended.\n", name);
+            return AVERROR_INVALIDDATA;
+        }

-        for (j = 0; j < zeroes; j++)
-            bits[i++] = (value >> (zeroes - j - 1) & 1) ? '1' : '0';
-
-        value += (1 << zeroes) - 1;
+        bits_value = get_bits_long(gbc, zeroes);
+        value = bits_value + (UINT32_C(1) << zeroes) - 1;
    }

    if (ctx->trace_enable) {
+        char bits[65];
+        int i, j, k;
+
+        if (zeroes >= 32) {
+            while (zeroes > 32) {
+                k = FFMIN(zeroes - 32, 32);
+                for (i = 0; i < k; i++)
+                    bits[i] = '0';
+                bits[i] = 0;
+                ff_cbs_trace_syntax_element(ctx, position, name,
+                                            NULL, bits, 0);
+                zeroes -= k;
+                position += k;
+            }
+        }
+
+        for (i = 0; i < zeroes; i++)
+            bits[i] = '0';
+        bits[i++] = '1';
+
+        if (zeroes < 32) {
+            for (j = 0; j < zeroes; j++)
+                bits[i++] = (bits_value >> (zeroes - j - 1) & 1) ? '1' : '0';
+        }
+
        bits[i] = 0;
-        ff_cbs_trace_syntax_element(ctx, position, name, NULL,
-                                    bits, value);
+        ff_cbs_trace_syntax_element(ctx, position, name,
+                                    NULL, bits, value);
    }

    if (value < range_min || value > range_max) {
@@ -103,8 +125,9 @@ static int cbs_av1_write_uvlc(CodedBitstreamContext *ctx, PutBitContext *pbc,
        put_bits(pbc, 1, 1);
    } else {
        zeroes = av_log2(value + 1);
-        v = value - (1 << zeroes) + 1;
-        put_bits(pbc, zeroes + 1, 1);
+        v = value - (1U << zeroes) + 1;
+        put_bits(pbc, zeroes, 0);
+        put_bits(pbc, 1, 1);
        put_bits(pbc, zeroes, v);
    }

@@ -148,6 +171,9 @@ static int cbs_av1_read_leb128(CodedBitstreamContext *ctx, GetBitContext *gbc,
            break;
    }

+    if (value > UINT32_MAX)
+        return AVERROR_INVALIDDATA;
+
    if (ctx->trace_enable)
        ff_cbs_trace_syntax_element(ctx, position, name, NULL, "", value);

@@ -189,30 +215,26 @@ static int cbs_av1_read_su(CodedBitstreamContext *ctx, GetBitContext *gbc,
                           int width, const char *name,
                           const int *subscripts, int32_t *write_to)
 {
-    uint32_t magnitude;
-    int position, sign;
+    int position;
    int32_t value;

    if (ctx->trace_enable)
        position = get_bits_count(gbc);

-    if (get_bits_left(gbc) < width + 1) {
+    if (get_bits_left(gbc) < width) {
        av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid signed value at "
               "%s: bitstream ended.\n", name);
        return AVERROR_INVALIDDATA;
    }

-    magnitude = get_bits(gbc, width);
-    sign      = get_bits1(gbc);
-    value     = sign ? -(int32_t)magnitude : magnitude;
+    value = get_sbits(gbc, width);

    if (ctx->trace_enable) {
        char bits[33];
        int i;
        for (i = 0; i < width; i++)
-            bits[i] = magnitude >> (width - i - 1) & 1 ? '1' : '0';
-        bits[i] = sign ? '1' : '0';
-        bits[i + 1] = 0;
+            bits[i] = value & (1 << (width - i - 1)) ? '1' : '0';
+        bits[i] = 0;

        ff_cbs_trace_syntax_element(ctx, position,
                                    name, subscripts, bits, value);
@@ -226,29 +248,21 @@ static int cbs_av1_write_su(CodedBitstreamContext *ctx, PutBitContext *pbc,
                            int width, const char *name,
                            const int *subscripts, int32_t value)
 {
-    uint32_t magnitude;
-    int sign;
-
-    if (put_bits_left(pbc) < width + 1)
+    if (put_bits_left(pbc) < width)
        return AVERROR(ENOSPC);

-    sign      = value < 0;
-    magnitude = sign ? -value : value;
-
    if (ctx->trace_enable) {
        char bits[33];
        int i;
        for (i = 0; i < width; i++)
-            bits[i] = magnitude >> (width - i - 1) & 1 ? '1' : '0';
-        bits[i] = sign ? '1' : '0';
-        bits[i + 1] = 0;
+            bits[i] = value & (1 << (width - i - 1)) ? '1' : '0';
+        bits[i] = 0;

        ff_cbs_trace_syntax_element(ctx, put_bits_count(pbc),
                                    name, subscripts, bits, value);
    }

-    put_bits(pbc, width, magnitude);
-    put_bits(pbc, 1, sign);
+    put_sbits(pbc, width, value);

    return 0;
 }
@@ -785,7 +799,7 @@ static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,

    if (INT_MAX / 8 < size) {
        av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid fragment: "
-               "too large (%zu bytes).\n", size);
+               "too large (%"SIZE_SPECIFIER" bytes).\n", size);
        err = AVERROR_INVALIDDATA;
        goto fail;
    }
@@ -809,7 +823,7 @@ static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,

        if (get_bits_left(&gbc) < 8) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid OBU: fragment "
-                   "too short (%zu bytes).\n", size);
+                   "too short (%"SIZE_SPECIFIER" bytes).\n", size);
            err = AVERROR_INVALIDDATA;
            goto fail;
        }
@@ -825,7 +839,7 @@ static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,

        if (size < obu_length) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid OBU length: "
-                   "%"PRIu64", but only %zu bytes remaining in fragment.\n",
+                   "%"PRIu64", but only %"SIZE_SPECIFIER" bytes remaining in fragment.\n",
                   obu_length, size);
            err = AVERROR_INVALIDDATA;
            goto fail;
@@ -940,7 +954,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
    } else {
        if (unit->data_size < 1 + obu->header.obu_extension_flag) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid OBU length: "
-                   "unit too short (%zu).\n", unit->data_size);
+                   "unit too short (%"SIZE_SPECIFIER").\n", unit->data_size);
            return AVERROR_INVALIDDATA;
        }
        obu->obu_size = unit->data_size - 1 - obu->header.obu_extension_flag;
@@ -950,7 +964,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,

    if (obu->header.obu_extension_flag) {
        priv->temporal_id = obu->header.temporal_id;
-        priv->spatial_id  = obu->header.temporal_id;
+        priv->spatial_id  = obu->header.spatial_id;

        if (obu->header.obu_type != AV1_OBU_SEQUENCE_HEADER &&
            obu->header.obu_type != AV1_OBU_TEMPORAL_DELIMITER &&
@@ -968,6 +982,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
        priv->spatial_id  = 0;
    }

+    priv->ref = (AV1ReferenceFrameState *)&priv->read_ref;
+
    switch (obu->header.obu_type) {
    case AV1_OBU_SEQUENCE_HEADER:
        {
@@ -996,7 +1012,10 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
    case AV1_OBU_REDUNDANT_FRAME_HEADER:
        {
            err = cbs_av1_read_frame_header_obu(ctx, &gbc,
-                                                &obu->obu.frame_header);
+                                                &obu->obu.frame_header,
+                                                obu->header.obu_type ==
+                                                AV1_OBU_REDUNDANT_FRAME_HEADER,
+                                                unit->data_ref);
            if (err < 0)
                return err;
        }
@@ -1016,7 +1035,8 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
        break;
    case AV1_OBU_FRAME:
        {
-            err = cbs_av1_read_frame_obu(ctx, &gbc, &obu->obu.frame);
+            err = cbs_av1_read_frame_obu(ctx, &gbc, &obu->obu.frame,
+                                         unit->data_ref);
            if (err < 0)
                return err;

@@ -1056,9 +1076,14 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,

    if (obu->obu_size > 0 &&
        obu->header.obu_type != AV1_OBU_TILE_GROUP &&
+        obu->header.obu_type != AV1_OBU_TILE_LIST &&
        obu->header.obu_type != AV1_OBU_FRAME) {
-        err = cbs_av1_read_trailing_bits(ctx, &gbc,
-                                         obu->obu_size * 8 + start_pos - end_pos);
+        int nb_bits = obu->obu_size * 8 + start_pos - end_pos;
+
+        if (nb_bits <= 0)
+            return AVERROR_INVALIDDATA;
+
+        err = cbs_av1_read_trailing_bits(ctx, &gbc, nb_bits);
        if (err < 0)
            return err;
    }
@@ -1096,6 +1121,8 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
    td = NULL;
    start_pos = put_bits_count(pbc);

+    priv->ref = (AV1ReferenceFrameState *)&priv->write_ref;
+
    switch (obu->header.obu_type) {
    case AV1_OBU_SEQUENCE_HEADER:
        {
@@ -1124,7 +1151,10 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
    case AV1_OBU_REDUNDANT_FRAME_HEADER:
        {
            err = cbs_av1_write_frame_header_obu(ctx, pbc,
-                                                 &obu->obu.frame_header);
+                                                 &obu->obu.frame_header,
+                                                 obu->header.obu_type ==
+                                                 AV1_OBU_REDUNDANT_FRAME_HEADER,
+                                                 NULL);
            if (err < 0)
                return err;
        }
@@ -1141,7 +1171,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
        break;
    case AV1_OBU_FRAME:
        {
-            err = cbs_av1_write_frame_obu(ctx, pbc, &obu->obu.frame);
+            err = cbs_av1_write_frame_obu(ctx, pbc, &obu->obu.frame, NULL);
            if (err < 0)
                return err;

@@ -1179,7 +1209,7 @@ static int cbs_av1_write_obu(CodedBitstreamContext *ctx,
        if (err < 0)
            return err;
        end_pos = put_bits_count(pbc);
-        obu->obu_size = (end_pos - start_pos + 7) / 8;
+        obu->obu_size = header_size = (end_pos - start_pos + 7) / 8;
    } else {
        // Empty OBU.
        obu->obu_size = 0;
@@ -1235,7 +1265,7 @@ static int cbs_av1_write_unit(CodedBitstreamContext *ctx,
        if (err < 0) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Unable to allocate a "
                   "sufficiently large write buffer (last attempt "
-                   "%zu bytes).\n", priv->write_buffer_size);
+                   "%"SIZE_SPECIFIER" bytes).\n", priv->write_buffer_size);
            return err;
        }
    }
@@ -1302,6 +1332,7 @@ static void cbs_av1_close(CodedBitstreamContext *ctx)
    CodedBitstreamAV1Context *priv = ctx->priv_data;

    av_buffer_unref(&priv->sequence_header_ref);
+    av_buffer_unref(&priv->frame_header_ref);

    av_freep(&priv->write_buffer);
 }
--- a/libavcodec/cbs_av1.h
+++ b/libavcodec/cbs_av1.h
@@ -87,8 +87,8 @@ typedef struct AV1RawSequenceHeader {
    uint8_t  seq_level_idx[AV1_MAX_OPERATING_POINTS];
    uint8_t  seq_tier[AV1_MAX_OPERATING_POINTS];
    uint8_t  decoder_model_present_for_this_op[AV1_MAX_OPERATING_POINTS];
-    uint8_t  decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
-    uint8_t  encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
+    uint32_t decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
+    uint32_t encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
    uint8_t  low_delay_mode_flag[AV1_MAX_OPERATING_POINTS];
    uint8_t  initial_display_delay_present_for_this_op[AV1_MAX_OPERATING_POINTS];
    uint8_t  initial_display_delay_minus_1[AV1_MAX_OPERATING_POINTS];
@@ -170,7 +170,7 @@ typedef struct AV1RawFrameHeader {
    uint8_t last_frame_idx;
    uint8_t golden_frame_idx;
    int8_t  ref_frame_idx[AV1_REFS_PER_FRAME];
-    uint8_t delta_frame_id_minus1;
+    uint32_t delta_frame_id_minus1[AV1_REFS_PER_FRAME];

    uint8_t allow_high_precision_mv;
    uint8_t is_filter_switchable;
@@ -210,7 +210,7 @@ typedef struct AV1RawFrameHeader {
    uint8_t segmentation_temporal_update;
    uint8_t segmentation_update_data;
    uint8_t feature_enabled[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
-    uint8_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
+    int16_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];

    uint8_t delta_q_present;
    uint8_t delta_q_res;
@@ -256,8 +256,8 @@ typedef struct AV1RawFrameHeader {
    uint8_t  update_grain;
    uint8_t  film_grain_params_ref_idx;
    uint8_t  num_y_points;
-    uint8_t  point_y_value[16];
-    uint8_t  point_y_scaling[16];
+    uint8_t  point_y_value[14];
+    uint8_t  point_y_scaling[14];
    uint8_t  chroma_scaling_from_luma;
    uint8_t  num_cb_points;
    uint8_t  point_cb_value[16];
@@ -268,8 +268,8 @@ typedef struct AV1RawFrameHeader {
    uint8_t  grain_scaling_minus_8;
    uint8_t  ar_coeff_lag;
    uint8_t  ar_coeffs_y_plus_128[24];
-    uint8_t  ar_coeffs_cb_plus_128[24];
-    uint8_t  ar_coeffs_cr_plus_128[24];
+    uint8_t  ar_coeffs_cb_plus_128[25];
+    uint8_t  ar_coeffs_cr_plus_128[25];
    uint8_t  ar_coeff_shift_minus_6;
    uint8_t  grain_scale_shift;
    uint8_t  cb_mult;
@@ -399,7 +399,10 @@ typedef struct CodedBitstreamAV1Context {
    AV1RawSequenceHeader *sequence_header;
    AVBufferRef          *sequence_header_ref;

-    int seen_frame_header;
+    int     seen_frame_header;
+    AVBufferRef *frame_header_ref;
+    uint8_t     *frame_header;
+    size_t       frame_header_size;

    int temporal_id;
    int spatial_id;
@@ -418,7 +421,9 @@ typedef struct CodedBitstreamAV1Context {
    int tile_cols;
    int tile_rows;

-    AV1ReferenceFrameState ref[AV1_NUM_REF_FRAMES];
+    AV1ReferenceFrameState *ref;
+    AV1ReferenceFrameState read_ref[AV1_NUM_REF_FRAMES];
+    AV1ReferenceFrameState write_ref[AV1_NUM_REF_FRAMES];

    // Write buffer.
    uint8_t *write_buffer;
--- a/libavcodec/cbs_av1_syntax_template.c
+++ b/libavcodec/cbs_av1_syntax_template.c
@@ -419,16 +419,17 @@ static int FUNC(frame_size_with_refs)(CodedBitstreamContext *ctx, RWContext *rw,
    for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
        flags(found_ref[i], 1, i);
        if (current->found_ref[i]) {
-            AV1ReferenceFrameState *ref =
-                &priv->ref[current->ref_frame_idx[i]];
+            AV1ReferenceFrameState *ref;

-            if (!ref->valid) {
+            if (current->ref_frame_idx[i] < 0 ||
+                !priv->ref[current->ref_frame_idx[i]].valid) {
                av_log(ctx->log_ctx, AV_LOG_ERROR,
                       "Missing reference frame needed for frame size "
                       "(ref = %d, ref_frame_idx = %d).\n",
                       i, current->ref_frame_idx[i]);
                return AVERROR_INVALIDDATA;
            }
+            ref = &priv->ref[current->ref_frame_idx[i]];

            priv->upscaled_width = ref->upscaled_width;
            priv->frame_width    = ref->frame_width;
@@ -881,7 +882,7 @@ static int FUNC(skip_mode_params)(CodedBitstreamContext *ctx, RWContext *rw,
        forward_idx  = -1;
        backward_idx = -1;
        for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
-            ref_hint = priv->ref[i].order_hint;
+            ref_hint = priv->ref[current->ref_frame_idx[i]].order_hint;
            dist = cbs_av1_get_relative_dist(seq, ref_hint,
                                             current->order_hint);
            if (dist < 0) {
@@ -912,7 +913,7 @@ static int FUNC(skip_mode_params)(CodedBitstreamContext *ctx, RWContext *rw,

            second_forward_idx = -1;
            for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
-                ref_hint = priv->ref[i].order_hint;
+                ref_hint = priv->ref[current->ref_frame_idx[i]].order_hint;
                if (cbs_av1_get_relative_dist(seq, ref_hint,
                                              forward_hint) < 0) {
                    if (second_forward_idx < 0 ||
@@ -1044,7 +1045,7 @@ static int FUNC(film_grain_params)(CodedBitstreamContext *ctx, RWContext *rw,
        return 0;
    }

-    fb(4, num_y_points);
+    fc(4, num_y_points, 0, 14);
    for (i = 0; i < current->num_y_points; i++) {
        fbs(8, point_y_value[i],   1, i);
        fbs(8, point_y_scaling[i], 1, i);
@@ -1323,8 +1324,8 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
            if (!current->frame_refs_short_signaling)
                fbs(3, ref_frame_idx[i], 1, i);
            if (seq->frame_id_numbers_present_flag) {
-                fb(seq->delta_frame_id_length_minus_2 + 2,
-                   delta_frame_id_minus1);
+                fbs(seq->delta_frame_id_length_minus_2 + 2,
+                    delta_frame_id_minus1[i], 1, i);
            }
        }

@@ -1463,17 +1464,47 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
 }

 static int FUNC(frame_header_obu)(CodedBitstreamContext *ctx, RWContext *rw,
-                                  AV1RawFrameHeader *current)
+                                  AV1RawFrameHeader *current, int redundant,
+                                  AVBufferRef *rw_buffer_ref)
 {
    CodedBitstreamAV1Context *priv = ctx->priv_data;
-    int err;
-
-    HEADER("Frame Header");
+    int start_pos, fh_bits, fh_bytes, err;
+    uint8_t *fh_start;

    if (priv->seen_frame_header) {
-        // Nothing to do.
+        if (!redundant) {
+            av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid repeated "
+                   "frame header OBU.\n");
+            return AVERROR_INVALIDDATA;
+        } else {
+            GetBitContext fh;
+            size_t i, b;
+            uint32_t val;
+
+            HEADER("Redundant Frame Header");
+
+            av_assert0(priv->frame_header_ref && priv->frame_header);
+
+            init_get_bits(&fh, priv->frame_header,
+                          priv->frame_header_size);
+            for (i = 0; i < priv->frame_header_size; i += 8) {
+                b = FFMIN(priv->frame_header_size - i, 8);
+                val = get_bits(&fh, b);
+                xf(b, frame_header_copy[i],
+                   val, val, val, 1, i / 8);
+            }
+        }
    } else {
-        priv->seen_frame_header = 1;
+        if (redundant)
+            HEADER("Redundant Frame Header (used as Frame Header)");
+        else
+            HEADER("Frame Header");
+
+#ifdef READ
+        start_pos = get_bits_count(rw);
+#else
+        start_pos = put_bits_count(rw);
+#endif

        CHECK(FUNC(uncompressed_header)(ctx, rw, current));

@@ -1481,6 +1512,40 @@ static int FUNC(frame_header_obu)(CodedBitstreamContext *ctx, RWContext *rw,
            priv->seen_frame_header = 0;
        } else {
            priv->seen_frame_header = 1;
+
+            av_buffer_unref(&priv->frame_header_ref);
+
+#ifdef READ
+            fh_bits  = get_bits_count(rw) - start_pos;
+            fh_start = (uint8_t*)rw->buffer + start_pos / 8;
+#else
+            // Need to flush the bitwriter so that we can copy its output,
+            // but use a copy so we don't affect the caller's structure.
+            {
+                PutBitContext tmp = *rw;
+                flush_put_bits(&tmp);
+            }
+
+            fh_bits  = put_bits_count(rw) - start_pos;
+            fh_start = rw->buf + start_pos / 8;
+#endif
+            fh_bytes = (fh_bits + 7) / 8;
+
+            priv->frame_header_size = fh_bits;
+
+            if (rw_buffer_ref) {
+                priv->frame_header_ref = av_buffer_ref(rw_buffer_ref);
+                if (!priv->frame_header_ref)
+                    return AVERROR(ENOMEM);
+                priv->frame_header = fh_start;
+            } else {
+                priv->frame_header_ref =
+                    av_buffer_alloc(fh_bytes + AV_INPUT_BUFFER_PADDING_SIZE);
+                if (!priv->frame_header_ref)
+                    return AVERROR(ENOMEM);
+                priv->frame_header = priv->frame_header_ref->data;
+                memcpy(priv->frame_header, fh_start, fh_bytes);
+            }
        }
    }

@@ -1524,11 +1589,13 @@ static int FUNC(tile_group_obu)(CodedBitstreamContext *ctx, RWContext *rw,
 }

 static int FUNC(frame_obu)(CodedBitstreamContext *ctx, RWContext *rw,
-                           AV1RawFrame *current)
+                           AV1RawFrame *current,
+                           AVBufferRef *rw_buffer_ref)
 {
    int err;

-    CHECK(FUNC(frame_header_obu)(ctx, rw, &current->header));
+    CHECK(FUNC(frame_header_obu)(ctx, rw, &current->header,
+                                 0, rw_buffer_ref));

    CHECK(FUNC(byte_alignment)(ctx, rw));

@@ -1569,15 +1636,18 @@ static int FUNC(metadata_hdr_mdcv)(CodedBitstreamContext *ctx, RWContext *rw,
    int err, i;

    for (i = 0; i < 3; i++) {
-        fcs(16, primary_chromaticity_x[i], 0, 50000, 1, i);
-        fcs(16, primary_chromaticity_y[i], 0, 50000, 1, i);
+        fbs(16, primary_chromaticity_x[i], 1, i);
+        fbs(16, primary_chromaticity_y[i], 1, i);
    }

-    fc(16, white_point_chromaticity_x, 0, 50000);
-    fc(16, white_point_chromaticity_y, 0, 50000);
+    fb(16, white_point_chromaticity_x);
+    fb(16, white_point_chromaticity_y);

    fc(32, luminance_max, 1, MAX_UINT_BITS(32));
-    fc(32, luminance_min, 0, current->luminance_max >> 6);
+    // luminance_min must be lower than luminance_max. Convert luminance_max from
+    // 24.8 fixed point to 18.14 fixed point in order to compare them.
+    fc(32, luminance_min, 0, FFMIN(((uint64_t)current->luminance_max << 6) - 1,
+                                   MAX_UINT_BITS(32)));

    return 0;
 }
--- a/libavcodec/cbs_h264.h
+++ b/libavcodec/cbs_h264.h
@@ -253,7 +253,7 @@ typedef struct H264RawSEIPicTimestamp {
    uint8_t minutes_value;
    uint8_t hours_flag;
    uint8_t hours_value;
-    uint32_t time_offset;
+    int32_t time_offset;
 } H264RawSEIPicTimestamp;

 typedef struct H264RawSEIPicTiming {
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -255,6 +255,8 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc,
 #define flag(name) u(1, name, 0, 1)
 #define ue(name, range_min, range_max) \
        xue(name, current->name, range_min, range_max, 0)
+#define i(width, name, range_min, range_max) \
+        xi(width, name, current->name, range_min, range_max, 0)
 #define se(name, range_min, range_max) \
        xse(name, current->name, range_min, range_max, 0)

@@ -264,6 +266,8 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc,
        xu(1, name, current->name, 0, 1, subs, __VA_ARGS__)
 #define ues(name, range_min, range_max, subs, ...) \
        xue(name, current->name, range_min, range_max, subs, __VA_ARGS__)
+#define is(width, name, range_min, range_max, subs, ...) \
+        xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
 #define ses(name, range_min, range_max, subs, ...) \
        xse(name, current->name, range_min, range_max, subs, __VA_ARGS__)

@@ -291,6 +295,13 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc,
                                 &value, range_min, range_max)); \
        var = value; \
    } while (0)
+#define xi(width, name, var, range_min, range_max, subs, ...) do { \
+        int32_t value = range_min; \
+        CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \
+                                 SUBSCRIPTS(subs, __VA_ARGS__), \
+                                 &value, range_min, range_max)); \
+        var = value; \
+    } while (0)
 #define xse(name, var, range_min, range_max, subs, ...) do { \
        int32_t value = range_min; \
        CHECK(cbs_read_se_golomb(ctx, rw, #name, \
@@ -309,9 +320,11 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
    int bits_left = get_bits_left(gbc);
    if (bits_left > 8)
        return 1;
-    if (show_bits(gbc, bits_left) == 1 << (bits_left - 1))
+    if (bits_left == 0)
        return 0;
-    return 1;
+    if (show_bits(gbc, bits_left) & MAX_UINT_BITS(bits_left - 1))
+        return 1;
+    return 0;
 }

 #define more_rbsp_data(var) ((var) = cbs_h2645_read_more_rbsp_data(rw))
@@ -338,6 +351,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 #undef READWRITE
 #undef RWContext
 #undef xu
+#undef xi
 #undef xue
 #undef xse
 #undef infer
@@ -362,6 +376,12 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
                                  SUBSCRIPTS(subs, __VA_ARGS__), \
                                  value, range_min, range_max)); \
    } while (0)
+#define xi(width, name, var, range_min, range_max, subs, ...) do { \
+        int32_t value = var; \
+        CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \
+                                  SUBSCRIPTS(subs, __VA_ARGS__), \
+                                  value, range_min, range_max)); \
+    } while (0)
 #define xse(name, var, range_min, range_max, subs, ...) do { \
        int32_t value = var; \
        CHECK(cbs_write_se_golomb(ctx, rw, #name, \
@@ -402,9 +422,11 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 #undef READWRITE
 #undef RWContext
 #undef xu
+#undef xi
 #undef xue
 #undef xse
 #undef u
+#undef i
 #undef flag
 #undef ue
 #undef se
@@ -522,7 +544,10 @@ static int cbs_h2645_fragment_add_nals(CodedBitstreamContext *ctx,
        // Remove trailing zeroes.
        while (size > 0 && nal->data[size - 1] == 0)
            --size;
-        av_assert0(size > 0);
+        if (size == 0) {
+            av_log(ctx->log_ctx, AV_LOG_VERBOSE, "Discarding empty 0 NAL unit\n");
+            continue;
+        }

        data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
        if (!data)
@@ -707,7 +732,7 @@ static int cbs_h26 ## h26n ## _replace_ ## ps_var(CodedBitstreamContext *ctx, \
    CodedBitstreamH26 ## h26n ## Context *priv = ctx->priv_data; \
    H26 ## h26n ## Raw ## ps_name *ps_var = unit->content; \
    unsigned int id = ps_var->id_element; \
-    if (id > FF_ARRAY_ELEMS(priv->ps_var)) { \
+    if (id >= FF_ARRAY_ELEMS(priv->ps_var)) { \
        av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid " #ps_name \
               " id : %d.\n", id); \
        return AVERROR_INVALIDDATA; \
@@ -814,15 +839,11 @@ static int cbs_h264_read_nal_unit(CodedBitstreamContext *ctx,
            if (err < 0)
                return err;

+            if (!cbs_h2645_read_more_rbsp_data(&gbc))
+                return AVERROR_INVALIDDATA;
+
            pos = get_bits_count(&gbc);
            len = unit->data_size;
-            if (!unit->data[len - 1]) {
-                int z;
-                for (z = 0; z < len && !unit->data[len - z - 1]; z++);
-                av_log(ctx->log_ctx, AV_LOG_DEBUG, "Deleted %d trailing zeroes "
-                       "from slice data.\n", z);
-                len -= z;
-            }

            slice->data_size = len - pos / 8;
            slice->data_ref  = av_buffer_ref(unit->data_ref);
@@ -996,15 +1017,11 @@ static int cbs_h265_read_nal_unit(CodedBitstreamContext *ctx,
            if (err < 0)
                return err;

+            if (!cbs_h2645_read_more_rbsp_data(&gbc))
+                return AVERROR_INVALIDDATA;
+
            pos = get_bits_count(&gbc);
            len = unit->data_size;
-            if (!unit->data[len - 1]) {
-                int z;
-                for (z = 0; z < len && !unit->data[len - z - 1]; z++);
-                av_log(ctx->log_ctx, AV_LOG_DEBUG, "Deleted %d trailing zeroes "
-                       "from slice data.\n", z);
-                len -= z;
-            }

            slice->data_size = len - pos / 8;
            slice->data_ref  = av_buffer_ref(unit->data_ref);
--- a/libavcodec/cbs_h264_syntax_template.c
+++ b/libavcodec/cbs_h264_syntax_template.c
@@ -137,6 +137,10 @@ static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
            u(8, colour_primaries,         0, 255);
            u(8, transfer_characteristics, 0, 255);
            u(8, matrix_coefficients,      0, 255);
+        } else {
+            infer(colour_primaries,         2);
+            infer(transfer_characteristics, 2);
+            infer(matrix_coefficients,      2);
        }
    } else {
        infer(video_format,             5);
@@ -592,8 +596,9 @@ static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw,
        time_offset_length = 24;

    if (time_offset_length > 0)
-        u(time_offset_length, time_offset,
-          0, MAX_UINT_BITS(time_offset_length));
+        i(time_offset_length, time_offset,
+          MIN_INT_BITS(time_offset_length),
+          MAX_INT_BITS(time_offset_length));
    else
        infer(time_offset, 0);

@@ -1190,11 +1195,10 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
                   "in the same access unit.\n");
            return AVERROR_INVALIDDATA;
        }
+        idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;
    } else {
-        h264->last_slice_nal_unit_type =
-            current->nal_unit_header.nal_unit_type;
+        idr_pic_flag = current->nal_unit_header.nal_unit_type == H264_NAL_IDR_SLICE;
    }
-    idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;

    ue(first_mb_in_slice, 0, H264_MAX_MB_PIC_SIZE - 1);
    ue(slice_type, 0, 9);
@@ -1272,6 +1276,13 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,

    if (pps->redundant_pic_cnt_present_flag)
        ue(redundant_pic_cnt, 0, 127);
+    else
+        infer(redundant_pic_cnt, 0);
+
+    if (current->nal_unit_header.nal_unit_type != H264_NAL_AUXILIARY_SLICE
+        && !current->redundant_pic_cnt)
+        h264->last_slice_nal_unit_type =
+            current->nal_unit_header.nal_unit_type;

    if (slice_type_b)
        flag(direct_spatial_mv_pred_flag);
@@ -1344,7 +1355,7 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
                   (sps->pic_height_in_map_units_minus1 + 1);
        max = (pic_size + pps->slice_group_change_rate_minus1) /
              (pps->slice_group_change_rate_minus1 + 1);
-        bits = av_log2(2 * max - 1);
+        bits = av_ceil_log2(max + 1);

        u(bits, slice_group_change_cycle, 0, max);
    }
--- a/libavcodec/cbs_h265_syntax_template.c
+++ b/libavcodec/cbs_h265_syntax_template.c
@@ -80,7 +80,7 @@ static int FUNC(extension_data)(CodedBitstreamContext *ctx, RWContext *rw,
    }
 #else
    for (k = 0; k < current->bit_length; k++)
-        xu(1, extension_data, current->data[k / 8] >> (7 - k % 8), 0, 1, 0);
+        xu(1, extension_data, current->data[k / 8] >> (7 - k % 8) & 1, 0, 1, 0);
 #endif
    return 0;
 }
@@ -547,6 +547,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw,
            }
        }

+        if (i > 15)
+            return AVERROR_INVALIDDATA;
        infer(num_negative_pics, i);
        for (i = 0; i < current->num_negative_pics; i++) {
            infer(delta_poc_s0_minus1[i],
@@ -576,6 +578,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw,
            }
        }

+        if (i + current->num_negative_pics > 15)
+            return AVERROR_INVALIDDATA;
        infer(num_positive_pics, i);
        for (i = 0; i < current->num_positive_pics; i++) {
            infer(delta_poc_s1_minus1[i],
@@ -1317,7 +1321,7 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw,
                    infer(num_long_term_sps, 0);
                    idx_size = 0;
                }
-                ue(num_long_term_pics, 0, HEVC_MAX_LONG_TERM_REF_PICS);
+                ue(num_long_term_pics, 0, HEVC_MAX_REFS - current->num_long_term_sps);

                for (i = 0; i < current->num_long_term_sps +
                                current->num_long_term_pics; i++) {
--- a/libavcodec/cbs_internal.h
+++ b/libavcodec/cbs_internal.h
@@ -81,10 +81,28 @@ int ff_cbs_write_unsigned(CodedBitstreamContext *ctx, PutBitContext *pbc,
                          const int *subscripts, uint32_t value,
                          uint32_t range_min, uint32_t range_max);

-// The largest value representable in N bits, suitable for use as
+int ff_cbs_read_signed(CodedBitstreamContext *ctx, GetBitContext *gbc,
+                       int width, const char *name,
+                       const int *subscripts, int32_t *write_to,
+                       int32_t range_min, int32_t range_max);
+
+int ff_cbs_write_signed(CodedBitstreamContext *ctx, PutBitContext *pbc,
+                        int width, const char *name,
+                        const int *subscripts, int32_t value,
+                        int32_t range_min, int32_t range_max);
+
+// The largest unsigned value representable in N bits, suitable for use as
 // range_max in the above functions.
 #define MAX_UINT_BITS(length) ((UINT64_C(1) << (length)) - 1)

+// The largest signed value representable in N bits, suitable for use as
+// range_max in the above functions.
+#define MAX_INT_BITS(length) ((INT64_C(1) << ((length) - 1)) - 1)
+
+// The smallest signed value representable in N bits, suitable for use as
+// range_min in the above functions.
+#define MIN_INT_BITS(length) (-(INT64_C(1) << ((length) - 1)))
+

 extern const CodedBitstreamType ff_cbs_type_av1;
 extern const CodedBitstreamType ff_cbs_type_h264;
--- a/libavcodec/cbs_jpeg.c
+++ b/libavcodec/cbs_jpeg.c
@@ -148,15 +148,14 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
        if (marker == JPEG_MARKER_EOI) {
            break;
        } else if (marker == JPEG_MARKER_SOS) {
+            next_marker = -1;
            for (i = start; i + 1 < frag->data_size; i++) {
                if (frag->data[i] != 0xff)
                    continue;
                end = i;
                for (++i; i + 1 < frag->data_size &&
                          frag->data[i] == 0xff; i++);
-                if (i + 1 >= frag->data_size) {
-                    next_marker = -1;
-                } else {
+                if (i + 1 < frag->data_size) {
                    if (frag->data[i] == 0x00)
                        continue;
                    next_marker = frag->data[i];
@@ -197,6 +196,9 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
        if (marker == JPEG_MARKER_SOS) {
            length = AV_RB16(frag->data + start);

+            if (length > end - start)
+                return AVERROR_INVALIDDATA;
+
            data_ref = NULL;
            data     = av_malloc(end - start +
                                 AV_INPUT_BUFFER_PADDING_SIZE);
--- a/libavcodec/cbs_jpeg_syntax_template.c
+++ b/libavcodec/cbs_jpeg_syntax_template.c
@@ -89,6 +89,8 @@ static int FUNC(huffman_table)(CodedBitstreamContext *ctx, RWContext *rw,
    ij = 0;
    for (i = 0; i < 16; i++) {
        for (j = 0; j < current->L[i]; j++) {
+            if (ij >= 224)
+                return AVERROR_INVALIDDATA;
            us(8, V[ij], ij, 0, 255);
            ++ij;
        }
@@ -108,6 +110,9 @@ static int FUNC(dht)(CodedBitstreamContext *ctx, RWContext *rw,

    n = 2;
    for (i = 0; n < current->Lh; i++) {
+        if (i >= 8)
+            return AVERROR_INVALIDDATA;
+
        CHECK(FUNC(huffman_table)(ctx, rw, &current->table[i]));

        ++n;
--- a/libavcodec/cbs_mpeg2.c
+++ b/libavcodec/cbs_mpeg2.c
@@ -41,20 +41,35 @@
 #define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)

 #define ui(width, name) \
-        xui(width, name, current->name, 0)
+        xui(width, name, current->name, 0, MAX_UINT_BITS(width), 0)
+#define uir(width, name) \
+        xui(width, name, current->name, 1, MAX_UINT_BITS(width), 0)
 #define uis(width, name, subs, ...) \
-        xui(width, name, current->name, subs, __VA_ARGS__)
+        xui(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)
+#define uirs(width, name, subs, ...) \
+        xui(width, name, current->name, 1, MAX_UINT_BITS(width), subs, __VA_ARGS__)
+#define sis(width, name, subs, ...) \
+        xsi(width, name, current->name, subs, __VA_ARGS__)


 #define READ
 #define READWRITE read
 #define RWContext GetBitContext

-#define xui(width, name, var, subs, ...) do { \
+#define xui(width, name, var, range_min, range_max, subs, ...) do { \
        uint32_t value = 0; \
        CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \
                                   SUBSCRIPTS(subs, __VA_ARGS__), \
-                                   &value, 0, (1 << width) - 1)); \
+                                   &value, range_min, range_max)); \
+        var = value; \
+    } while (0)
+
+#define xsi(width, name, var, subs, ...) do { \
+        int32_t value; \
+        CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \
+                                 SUBSCRIPTS(subs, __VA_ARGS__), &value, \
+                                 MIN_INT_BITS(width), \
+                                 MAX_INT_BITS(width))); \
        var = value; \
    } while (0)

@@ -73,6 +88,7 @@
 #undef READWRITE
 #undef RWContext
 #undef xui
+#undef xsi
 #undef marker_bit
 #undef nextbits

@@ -81,10 +97,17 @@
 #define READWRITE write
 #define RWContext PutBitContext

-#define xui(width, name, var, subs, ...) do { \
+#define xui(width, name, var, range_min, range_max, subs, ...) do { \
        CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \
                                    SUBSCRIPTS(subs, __VA_ARGS__), \
-                                    var, 0, (1 << width) - 1)); \
+                                    var, range_min, range_max)); \
+    } while (0)
+
+#define xsi(width, name, var, subs, ...) do { \
+        CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \
+                                  SUBSCRIPTS(subs, __VA_ARGS__), var, \
+                                  MIN_INT_BITS(width), \
+                                  MAX_INT_BITS(width))); \
    } while (0)

 #define marker_bit() do { \
@@ -99,6 +122,7 @@
 #undef READWRITE
 #undef RWContext
 #undef xui
+#undef xsi
 #undef marker_bit
 #undef nextbits

--- a/libavcodec/cbs_mpeg2.h
+++ b/libavcodec/cbs_mpeg2.h
@@ -164,8 +164,8 @@ typedef struct MPEG2RawQuantMatrixExtension {
 } MPEG2RawQuantMatrixExtension;

 typedef struct MPEG2RawPictureDisplayExtension {
-    uint16_t frame_centre_horizontal_offset[3];
-    uint16_t frame_centre_vertical_offset[3];
+    int16_t frame_centre_horizontal_offset[3];
+    int16_t frame_centre_vertical_offset[3];
 } MPEG2RawPictureDisplayExtension;

 typedef struct MPEG2RawExtensionData {
--- a/libavcodec/cbs_mpeg2_syntax_template.c
+++ b/libavcodec/cbs_mpeg2_syntax_template.c
@@ -26,14 +26,14 @@ static int FUNC(sequence_header)(CodedBitstreamContext *ctx, RWContext *rw,

    ui(8,  sequence_header_code);

-    ui(12, horizontal_size_value);
-    ui(12, vertical_size_value);
+    uir(12, horizontal_size_value);
+    uir(12, vertical_size_value);

    mpeg2->horizontal_size = current->horizontal_size_value;
    mpeg2->vertical_size   = current->vertical_size_value;

-    ui(4,  aspect_ratio_information);
-    ui(4,  frame_rate_code);
+    uir(4, aspect_ratio_information);
+    uir(4, frame_rate_code);
    ui(18, bit_rate_value);

    marker_bit();
@@ -44,13 +44,13 @@ static int FUNC(sequence_header)(CodedBitstreamContext *ctx, RWContext *rw,
    ui(1, load_intra_quantiser_matrix);
    if (current->load_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, intra_quantiser_matrix[i], 1, i);
+            uirs(8, intra_quantiser_matrix[i], 1, i);
    }

    ui(1, load_non_intra_quantiser_matrix);
    if (current->load_non_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, non_intra_quantiser_matrix[i], 1, i);
+            uirs(8, non_intra_quantiser_matrix[i], 1, i);
    }

    return 0;
@@ -79,7 +79,7 @@ static int FUNC(user_data)(CodedBitstreamContext *ctx, RWContext *rw,
 #endif

    for (k = 0; k < current->user_data_length; k++)
-        xui(8, user_data, current->user_data[k], 0);
+        uis(8, user_data[k], 1, k);

    return 0;
 }
@@ -125,9 +125,25 @@ static int FUNC(sequence_display_extension)(CodedBitstreamContext *ctx, RWContex

    ui(1, colour_description);
    if (current->colour_description) {
-        ui(8, colour_primaries);
-        ui(8, transfer_characteristics);
-        ui(8, matrix_coefficients);
+#ifdef READ
+#define READ_AND_PATCH(name) do { \
+        ui(8, name); \
+        if (current->name == 0) { \
+            current->name = 2; \
+            av_log(ctx->log_ctx, AV_LOG_WARNING, "%s in a sequence display " \
+                   "extension had the invalid value 0. Setting it to 2 " \
+                   "(meaning unknown) instead.\n", #name); \
+        } \
+    } while (0)
+        READ_AND_PATCH(colour_primaries);
+        READ_AND_PATCH(transfer_characteristics);
+        READ_AND_PATCH(matrix_coefficients);
+#undef READ_AND_PATCH
+#else
+        uir(8, colour_primaries);
+        uir(8, transfer_characteristics);
+        uir(8, matrix_coefficients);
+#endif
    }

    ui(14, display_horizontal_size);
@@ -163,7 +179,7 @@ static int FUNC(picture_header)(CodedBitstreamContext *ctx, RWContext *rw,
    ui(8,  picture_start_code);

    ui(10, temporal_reference);
-    ui(3,  picture_coding_type);
+    uir(3, picture_coding_type);
    ui(16, vbv_delay);

    if (current->picture_coding_type == 2 ||
@@ -190,10 +206,10 @@ static int FUNC(picture_coding_extension)(CodedBitstreamContext *ctx, RWContext

    HEADER("Picture Coding Extension");

-    ui(4, f_code[0][0]);
-    ui(4, f_code[0][1]);
-    ui(4, f_code[1][0]);
-    ui(4, f_code[1][1]);
+    uir(4, f_code[0][0]);
+    uir(4, f_code[0][1]);
+    uir(4, f_code[1][0]);
+    uir(4, f_code[1][1]);

    ui(2, intra_dc_precision);
    ui(2, picture_structure);
@@ -250,25 +266,25 @@ static int FUNC(quant_matrix_extension)(CodedBitstreamContext *ctx, RWContext *r
    ui(1, load_intra_quantiser_matrix);
    if (current->load_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, intra_quantiser_matrix[i], 1, i);
+            uirs(8, intra_quantiser_matrix[i], 1, i);
    }

    ui(1, load_non_intra_quantiser_matrix);
    if (current->load_non_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, non_intra_quantiser_matrix[i], 1, i);
+            uirs(8, non_intra_quantiser_matrix[i], 1, i);
    }

    ui(1, load_chroma_intra_quantiser_matrix);
    if (current->load_chroma_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, intra_quantiser_matrix[i], 1, i);
+            uirs(8, intra_quantiser_matrix[i], 1, i);
    }

    ui(1, load_chroma_non_intra_quantiser_matrix);
    if (current->load_chroma_non_intra_quantiser_matrix) {
        for (i = 0; i < 64; i++)
-            uis(8, chroma_non_intra_quantiser_matrix[i], 1, i);
+            uirs(8, chroma_non_intra_quantiser_matrix[i], 1, i);
    }

    return 0;
@@ -283,9 +299,9 @@ static int FUNC(picture_display_extension)(CodedBitstreamContext *ctx, RWContext
    HEADER("Picture Display Extension");

    for (i = 0; i < mpeg2->number_of_frame_centre_offsets; i++) {
-        ui(16, frame_centre_horizontal_offset[i]);
+        sis(16, frame_centre_horizontal_offset[i], 1, i);
        marker_bit();
-        ui(16, frame_centre_vertical_offset[i]);
+        sis(16, frame_centre_vertical_offset[i],   1, i);
        marker_bit();
    }

@@ -342,7 +358,7 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
            ui(7, priority_breakpoint);
    }

-    ui(5, quantiser_scale_code);
+    uir(5, quantiser_scale_code);

    if (nextbits(1, 1, current->slice_extension_flag)) {
        ui(1, slice_extension_flag);
@@ -361,21 +377,22 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw,
            current->extra_information_length = k;
            if (k > 0) {
                *rw = start;
-                current->extra_information =
-                    av_malloc(current->extra_information_length);
-                if (!current->extra_information)
+                current->extra_information_ref =
+                    av_buffer_alloc(current->extra_information_length);
+                if (!current->extra_information_ref)
                    return AVERROR(ENOMEM);
+                current->extra_information = current->extra_information_ref->data;
                for (k = 0; k < current->extra_information_length; k++) {
-                    xui(1, extra_bit_slice, bit, 0);
+                    xui(1, extra_bit_slice, bit, 1, 1, 0);
                    xui(8, extra_information_slice[k],
-                        current->extra_information[k], 1, k);
+                        current->extra_information[k], 0, 255, 1, k);
                }
            }
 #else
            for (k = 0; k < current->extra_information_length; k++) {
-                xui(1, extra_bit_slice, 1, 0);
+                xui(1, extra_bit_slice, 1, 1, 1, 0);
                xui(8, extra_information_slice[k],
-                    current->extra_information[k], 1, k);
+                    current->extra_information[k], 0, 255, 1, k);
            }
 #endif
        }
--- a/libavcodec/cbs_vp9.c
+++ b/libavcodec/cbs_vp9.c
@@ -305,7 +305,7 @@ static int cbs_vp9_write_le(CodedBitstreamContext *ctx, PutBitContext *pbc,

 #define prob(name, subs, ...) do { \
        uint8_t prob_coded; \
-        int8_t prob; \
+        uint8_t prob; \
        xf(1, name.prob_coded, prob_coded, subs, __VA_ARGS__); \
        if (prob_coded) \
            xf(8, name.prob, prob, subs, __VA_ARGS__); \
@@ -416,6 +416,9 @@ static int cbs_vp9_split_fragment(CodedBitstreamContext *ctx,
    uint8_t superframe_header;
    int err;

+    if (frag->data_size == 0)
+        return AVERROR_INVALIDDATA;
+
    // Last byte in the packet.
    superframe_header = frag->data[frag->data_size - 1];

@@ -428,6 +431,9 @@ static int cbs_vp9_split_fragment(CodedBitstreamContext *ctx,
        index_size = 2 + (((superframe_header & 0x18) >> 3) + 1) *
                          ((superframe_header & 0x07) + 1);

+        if (index_size > frag->data_size)
+            return AVERROR_INVALIDDATA;
+
        err = init_get_bits(&gbc, frag->data + frag->data_size - index_size,
                            8 * index_size);
        if (err < 0)
@@ -457,7 +463,7 @@ static int cbs_vp9_split_fragment(CodedBitstreamContext *ctx,
        }
        if (pos + index_size != frag->data_size) {
            av_log(ctx->log_ctx, AV_LOG_WARNING, "Extra padding at "
-                   "end of superframe: %zu bytes.\n",
+                   "end of superframe: %"SIZE_SPECIFIER" bytes.\n",
                   frag->data_size - (pos + index_size));
        }

@@ -538,7 +544,7 @@ static int cbs_vp9_write_unit(CodedBitstreamContext *ctx,
        if (err < 0) {
            av_log(ctx->log_ctx, AV_LOG_ERROR, "Unable to allocate a "
                   "sufficiently large write buffer (last attempt "
-                   "%zu bytes).\n", priv->write_buffer_size);
+                   "%"SIZE_SPECIFIER" bytes).\n", priv->write_buffer_size);
            return err;
        }
    }
--- a/libavcodec/ccaption_dec.c
+++ b/libavcodec/ccaption_dec.c
@@ -212,10 +212,10 @@ static const unsigned char pac2_attribs[32][3] = // Color, font, ident

 struct Screen {
    /* +1 is used to compensate null character of string */
-    uint8_t characters[SCREEN_ROWS][SCREEN_COLUMNS+1];
-    uint8_t charsets[SCREEN_ROWS][SCREEN_COLUMNS+1];
-    uint8_t colors[SCREEN_ROWS][SCREEN_COLUMNS+1];
-    uint8_t fonts[SCREEN_ROWS][SCREEN_COLUMNS+1];
+    uint8_t characters[SCREEN_ROWS+1][SCREEN_COLUMNS+1];
+    uint8_t charsets[SCREEN_ROWS+1][SCREEN_COLUMNS+1];
+    uint8_t colors[SCREEN_ROWS+1][SCREEN_COLUMNS+1];
+    uint8_t fonts[SCREEN_ROWS+1][SCREEN_COLUMNS+1];
    /*
     * Bitmask of used rows; if a bit is not set, the
     * corresponding row is not used.
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -81,11 +81,8 @@ static av_cold int cdg_decode_init(AVCodecContext *avctx)
        return AVERROR(ENOMEM);
    cc->transparency = -1;

-    avctx->width   = CDG_FULL_WIDTH;
-    avctx->height  = CDG_FULL_HEIGHT;
    avctx->pix_fmt = AV_PIX_FMT_PAL8;
-
-    return 0;
+    return ff_set_dimensions(avctx, CDG_FULL_WIDTH, CDG_FULL_HEIGHT);
 }

 static void cdg_border_preset(CDGraphicsContext *cc, uint8_t *data)
--- a/libavcodec/cinepakenc.c
+++ b/libavcodec/cinepakenc.c
@@ -544,8 +544,9 @@ static int encode_mode(CinepakEncContext *s, int h,
                       uint8_t *last_data[4], int last_linesize[4],
                       strip_info *info, unsigned char *buf)
 {
-    int x, y, z, flags, bits, temp_size, header_ofs, ret = 0, mb_count = s->w * h / MB_AREA;
+    int x, y, z, bits, temp_size, header_ofs, ret = 0, mb_count = s->w * h / MB_AREA;
    int needs_extra_bit, should_write_temp;
+    uint32_t flags;
    unsigned char temp[64]; // 32/2 = 16 V4 blocks at 4 B each -> 64 B
    mb_info *mb;
    uint8_t *sub_scratch_data[4] = { 0 }, *sub_last_data[4] = { 0 };
@@ -599,7 +600,7 @@ static int encode_mode(CinepakEncContext *s, int h,
            flags = 0;
            for (y = x; y < FFMIN(x + 32, mb_count); y++)
                if (s->mb[y].best_encoding == ENC_V4)
-                    flags |= 1 << (31 - y + x);
+                    flags |= 1U << (31 - y + x);

            AV_WB32(&buf[ret], flags);
            ret += 4;
@@ -626,13 +627,13 @@ static int encode_mode(CinepakEncContext *s, int h,

        for (x = 0; x < mb_count; x++) {
            mb                = &s->mb[x];
-            flags            |= (mb->best_encoding != ENC_SKIP) << (31 - bits++);
+            flags            |= (uint32_t)(mb->best_encoding != ENC_SKIP) << (31 - bits++);
            needs_extra_bit   = 0;
            should_write_temp = 0;

            if (mb->best_encoding != ENC_SKIP) {
                if (bits < 32)
-                    flags |= (mb->best_encoding == ENC_V4) << (31 - bits++);
+                    flags |= (uint32_t)(mb->best_encoding == ENC_V4) << (31 - bits++);
                else
                    needs_extra_bit = 1;
            }
@@ -651,7 +652,7 @@ static int encode_mode(CinepakEncContext *s, int h,
            }

            if (needs_extra_bit) {
-                flags = (mb->best_encoding == ENC_V4) << 31;
+                flags = (uint32_t)(mb->best_encoding == ENC_V4) << 31;
                bits  = 1;
            }

--- a/libavcodec/clearvideo.c
+++ b/libavcodec/clearvideo.c
@@ -555,6 +555,9 @@ static int clv_decode_frame(AVCodecContext *avctx, void *data,
    } else {
        int plane;

+        if (c->pmb_width * c->pmb_height > 8LL*(buf_size - bytestream2_tell(&gb)))
+            return AVERROR_INVALIDDATA;
+
        if ((ret = ff_reget_buffer(avctx, c->pic)) < 0)
            return ret;

@@ -570,6 +573,8 @@ static int clv_decode_frame(AVCodecContext *avctx, void *data,

        for (j = 0; j < c->pmb_height; j++) {
            for (i = 0; i < c->pmb_width; i++) {
+                if (get_bits_left(&c->gb) <= 0)
+                    return AVERROR_INVALIDDATA;
                if (get_bits1(&c->gb)) {
                    MV mv = mvi_predict(&c->mvi, i, j, zero_mv);

@@ -660,7 +665,7 @@ static av_cold int clv_decode_init(AVCodecContext *avctx)
    }

    c->tile_shift = av_log2(c->tile_size);
-    if (1 << c->tile_shift != c->tile_size) {
+    if (1U << c->tile_shift != c->tile_size) {
        av_log(avctx, AV_LOG_ERROR, "Tile size: %d, is not power of 2.\n", c->tile_size);
        return AVERROR_INVALIDDATA;
    }
--- a/libavcodec/cngdec.c
+++ b/libavcodec/cngdec.c
@@ -174,5 +174,5 @@ AVCodec ff_comfortnoise_decoder = {
    .close          = cng_decode_close,
    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                     AV_SAMPLE_FMT_NONE },
-    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1,
+    .capabilities   = AV_CODEC_CAP_DR1,
 };
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -143,7 +143,7 @@ typedef struct cook {

    /* generate tables and related variables */
    int                 gain_size_factor;
-    float               gain_table[23];
+    float               gain_table[31];

    /* data buffers */

@@ -185,8 +185,8 @@ static av_cold void init_gain_table(COOKContext *q)
 {
    int i;
    q->gain_size_factor = q->samples_per_channel / 8;
-    for (i = 0; i < 23; i++)
-        q->gain_table[i] = pow(pow2tab[i + 52],
+    for (i = 0; i < 31; i++)
+        q->gain_table[i] = pow(pow2tab[i + 48],
                               (1.0 / (double) q->gain_size_factor));
 }

@@ -670,7 +670,7 @@ static void interpolate_float(COOKContext *q, float *buffer,
        for (i = 0; i < q->gain_size_factor; i++)
            buffer[i] *= fc1;
    } else {                                        // smooth gain
-        fc2 = q->gain_table[11 + (gain_index_next - gain_index)];
+        fc2 = q->gain_table[15 + (gain_index_next - gain_index)];
        for (i = 0; i < q->gain_size_factor; i++) {
            buffer[i] *= fc1;
            fc1       *= fc2;
@@ -759,7 +759,7 @@ static int decouple_info(COOKContext *q, COOKSubpacket *p, int *decouple_tab)
        for (i = 0; i < length; i++)
            decouple_tab[start + i] = get_vlc2(&q->gb,
                                               p->channel_coupling.table,
-                                               p->channel_coupling.bits, 2);
+                                               p->channel_coupling.bits, 3);
    else
        for (i = 0; i < length; i++) {
            int v = get_bits(&q->gb, p->js_vlc_bits);
@@ -1075,6 +1075,9 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
        return AVERROR_INVALIDDATA;
    }

+    if (avctx->block_align >= INT_MAX / 8)
+        return AVERROR(EINVAL);
+
    /* Initialize RNG. */
    av_lfg_init(&q->random_state, 0);

@@ -1217,6 +1220,15 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
            return AVERROR_PATCHWELCOME;
        }
    }
+
+    /* Try to catch some obviously faulty streams, otherwise it might be exploitable */
+    if (q->samples_per_channel != 256 && q->samples_per_channel != 512 &&
+        q->samples_per_channel != 1024) {
+        avpriv_request_sample(avctx, "samples_per_channel = %d",
+                              q->samples_per_channel);
+        return AVERROR_PATCHWELCOME;
+    }
+
    /* Generate tables */
    init_pow2table();
    init_gain_table(q);
@@ -1225,10 +1237,6 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
    if ((ret = init_cook_vlc_tables(q)))
        return ret;

-
-    if (avctx->block_align >= UINT_MAX / 2)
-        return AVERROR(EINVAL);
-
    /* Pad the databuffer with:
       DECODE_BYTES_PAD1 or DECODE_BYTES_PAD2 for decode_bytes(),
       AV_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
@@ -1252,14 +1260,6 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
        q->saturate_output = saturate_output_float;
    }

-    /* Try to catch some obviously faulty streams, otherwise it might be exploitable */
-    if (q->samples_per_channel != 256 && q->samples_per_channel != 512 &&
-        q->samples_per_channel != 1024) {
-        avpriv_request_sample(avctx, "samples_per_channel = %d",
-                              q->samples_per_channel);
-        return AVERROR_PATCHWELCOME;
-    }
-
    avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
    if (channel_mask)
        avctx->channel_layout = channel_mask;
--- a/libavcodec/cpia.c
+++ b/libavcodec/cpia.c
@@ -63,7 +63,7 @@ static int cpia_decode_frame(AVCodecContext *avctx,
    uint8_t *y, *u, *v, *y_end, *u_end, *v_end;

    // Check header
-    if ( avpkt->size < FRAME_HEADER_SIZE
+    if ( avpkt->size < FRAME_HEADER_SIZE + avctx->height * 3
      || header[0] != MAGIC_0 || header[1] != MAGIC_1
      || (header[17] != SUBSAMPLE_420 && header[17] != SUBSAMPLE_422)
      || (header[18] != YUVORDER_YUYV && header[18] != YUVORDER_UYVY)
--- a/libavcodec/cuviddec.c
+++ b/libavcodec/cuviddec.c
@@ -70,6 +70,7 @@ typedef struct CuvidContext
    int deint_mode;
    int deint_mode_current;
    int64_t prev_pts;
+    int progressive_sequence;

    int internal_error;
    int decoder_flushing;
@@ -228,6 +229,8 @@ static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* form
                              ? cudaVideoDeinterlaceMode_Weave
                              : ctx->deint_mode;

+    ctx->progressive_sequence = format->progressive_sequence;
+
    if (!format->progressive_sequence && ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave)
        avctx->flags |= AV_CODEC_FLAG_INTERLACED_DCT;
    else
@@ -360,6 +363,9 @@ static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINF
    parsed_frame.dispinfo = *dispinfo;
    ctx->internal_error = 0;

+    // For some reason, dispinfo->progressive_frame is sometimes wrong.
+    parsed_frame.dispinfo.progressive_frame = ctx->progressive_sequence;
+
    if (ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave) {
        av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
    } else {
--- a/libavcodec/dca_lbr.c
+++ b/libavcodec/dca_lbr.c
@@ -154,7 +154,7 @@ static int parse_lfe_24(DCALbrDecoder *s)
    step_i = get_bits(&s->gb, 8);
    if (step_i > step_max) {
        av_log(s->avctx, AV_LOG_ERROR, "Invalid LFE step size index\n");
-        return -1;
+        return AVERROR_INVALIDDATA;
    }

    step = ff_dca_lfe_step_size_24[step_i];
@@ -208,7 +208,7 @@ static int parse_lfe_16(DCALbrDecoder *s)
    step_i = get_bits(&s->gb, 8);
    if (step_i > step_max) {
        av_log(s->avctx, AV_LOG_ERROR, "Invalid LFE step size index\n");
-        return -1;
+        return AVERROR_INVALIDDATA;
    }

    step = ff_dca_lfe_step_size_16[step_i];
@@ -246,14 +246,17 @@ static int parse_lfe_16(DCALbrDecoder *s)

 static int parse_lfe_chunk(DCALbrDecoder *s, LBRChunk *chunk)
 {
+    int ret;
+
    if (!(s->flags & LBR_FLAG_LFE_PRESENT))
        return 0;

    if (!chunk->len)
        return 0;

-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
+    ret = init_get_bits8(&s->gb, chunk->data, chunk->len);
+    if (ret < 0)
+        return ret;

    // Determine bit depth from chunk size
    if (chunk->len >= 52)
@@ -262,7 +265,7 @@ static int parse_lfe_chunk(DCALbrDecoder *s, LBRChunk *chunk)
        return parse_lfe_16(s);

    av_log(s->avctx, AV_LOG_ERROR, "LFE chunk too short\n");
-    return -1;
+    return AVERROR_INVALIDDATA;
 }

 static inline int parse_vlc(GetBitContext *s, VLC *vlc, int max_depth)
@@ -291,13 +294,13 @@ static int parse_tonal(DCALbrDecoder *s, int group)
        for (freq = 1;; freq++) {
            if (get_bits_left(&s->gb) < 1) {
                av_log(s->avctx, AV_LOG_ERROR, "Tonal group chunk too short\n");
-                return -1;
+                return AVERROR_INVALIDDATA;
            }

            diff = parse_vlc(&s->gb, &ff_dca_vlc_tnl_grp[group], 2);
            if (diff >= FF_ARRAY_ELEMS(ff_dca_fst_amp)) {
                av_log(s->avctx, AV_LOG_ERROR, "Invalid tonal frequency diff\n");
-                return -1;
+                return AVERROR_INVALIDDATA;
            }

            diff = get_bitsz(&s->gb, diff >> 2) + ff_dca_fst_amp[diff];
@@ -307,7 +310,7 @@ static int parse_tonal(DCALbrDecoder *s, int group)
            freq += diff - 2;
            if (freq >> (5 - group) > s->nsubbands * 4 - 6) {
                av_log(s->avctx, AV_LOG_ERROR, "Invalid spectral line offset\n");
-                return -1;
+                return AVERROR_INVALIDDATA;
            }

            // Main channel
@@ -358,19 +361,21 @@ static int parse_tonal(DCALbrDecoder *s, int group)

 static int parse_tonal_chunk(DCALbrDecoder *s, LBRChunk *chunk)
 {
-    int sb, group;
+    int sb, group, ret;

    if (!chunk->len)
        return 0;

-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
+    ret = init_get_bits8(&s->gb, chunk->data, chunk->len);
+
+    if (ret < 0)
+        return ret;

    // Scale factors
    if (chunk->id == LBR_CHUNK_SCF || chunk->id == LBR_CHUNK_TONAL_SCF) {
        if (get_bits_left(&s->gb) < 36) {
            av_log(s->avctx, AV_LOG_ERROR, "Tonal scale factor chunk too short\n");
-            return -1;
+            return AVERROR_INVALIDDATA;
        }
        for (sb = 0; sb < 6; sb++)
            s->tonal_scf[sb] = get_bits(&s->gb, 6);
@@ -378,20 +383,25 @@ static int parse_tonal_chunk(DCALbrDecoder *s, LBRChunk *chunk)

    // Tonal groups
    if (chunk->id == LBR_CHUNK_TONAL || chunk->id == LBR_CHUNK_TONAL_SCF)
-        for (group = 0; group < 5; group++)
-            if (parse_tonal(s, group) < 0)
-                return -1;
+        for (group = 0; group < 5; group++) {
+            ret = parse_tonal(s, group);
+            if (ret < 0)
+                return ret;
+        }

    return 0;
 }

 static int parse_tonal_group(DCALbrDecoder *s, LBRChunk *chunk)
 {
+    int ret;
+
    if (!chunk->len)
        return 0;

-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
+    ret = init_get_bits8(&s->gb, chunk->data, chunk->len);
+    if (ret < 0)
+        return ret;

    return parse_tonal(s, chunk->id);
 }
@@ -404,7 +414,7 @@ static int ensure_bits(GetBitContext *s, int n)
 {
    int left = get_bits_left(s);
    if (left < 0)
-        return -1;
+        return AVERROR_INVALIDDATA;
    if (left < n) {
        skip_bits_long(s, left);
        return 1;
@@ -433,7 +443,7 @@ static int parse_scale_factors(DCALbrDecoder *s, uint8_t *scf)
        dist = parse_vlc(&s->gb, &ff_dca_vlc_rsd_apprx, 1) + 1;
        if (dist > 7 - sf) {
            av_log(s->avctx, AV_LOG_ERROR, "Invalid scale factor distance\n");
-            return -1;
+            return AVERROR_INVALIDDATA;
        }

        if (ensure_bits(&s->gb, 20))
@@ -498,22 +508,26 @@ static int parse_st_code(GetBitContext *s, int min_v)

 static int parse_grid_1_chunk(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch2)
 {
-    int ch, sb, sf, nsubbands;
+    int ch, sb, sf, nsubbands, ret;

    if (!chunk->len)
        return 0;

-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
+    ret = init_get_bits8(&s->gb, chunk->data, chunk->len);
+    if (ret < 0)
+        return ret;

    // Scale factors
    nsubbands = ff_dca_scf_to_grid_1[s->nsubbands - 1] + 1;
    for (sb = 2; sb < nsubbands; sb++) {
-        if (parse_scale_factors(s, s->grid_1_scf[ch1][sb]) < 0)
-            return -1;
-        if (ch1 != ch2 && ff_dca_grid_1_to_scf[sb] < s->min_mono_subband
-            && parse_scale_factors(s, s->grid_1_scf[ch2][sb]) < 0)
-            return -1;
+        ret = parse_scale_factors(s, s->grid_1_scf[ch1][sb]);
+        if (ret < 0)
+            return ret;
+        if (ch1 != ch2 && ff_dca_grid_1_to_scf[sb] < s->min_mono_subband) {
+            ret = parse_scale_factors(s, s->grid_1_scf[ch2][sb]);
+            if (ret < 0)
+                return ret;
+        }
    }

    if (get_bits_left(&s->gb) < 1)
@@ -532,7 +546,7 @@ static int parse_grid_1_chunk(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch

    if (get_bits_left(&s->gb) < 0) {
        av_log(s->avctx, AV_LOG_ERROR, "First grid chunk too short\n");
-        return -1;
+        return AVERROR_INVALIDDATA;
    }

    // Stereo image for partial mono mode
@@ -562,14 +576,16 @@ static int parse_grid_1_chunk(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch

 static int parse_grid_1_sec_ch(DCALbrDecoder *s, int ch2)
 {
-    int sb, nsubbands;
+    int sb, nsubbands, ret;

    // Scale factors
    nsubbands = ff_dca_scf_to_grid_1[s->nsubbands - 1] + 1;
    for (sb = 2; sb < nsubbands; sb++) {
-        if (ff_dca_grid_1_to_scf[sb] >= s->min_mono_subband
-            && parse_scale_factors(s, s->grid_1_scf[ch2][sb]) < 0)
-            return -1;
+        if (ff_dca_grid_1_to_scf[sb] >= s->min_mono_subband) {
+            ret = parse_scale_factors(s, s->grid_1_scf[ch2][sb]);
+            if (ret < 0)
+                return ret;
+        }
    }

    // Average values for third grid
@@ -709,7 +725,7 @@ static int parse_ts(DCALbrDecoder *s, int ch1, int ch2,
            s->sb_indices[sb] = sb_reorder;
        }
        if (sb_reorder >= s->nsubbands)
-            return -1;
+            return AVERROR_INVALIDDATA;

        // Third grid scale factors
        if (sb == 12) {
@@ -731,7 +747,7 @@ static int parse_ts(DCALbrDecoder *s, int ch1, int ch2,

        quant_level = s->quant_levels[ch1 / 2][sb];
        if (!quant_level)
-            return -1;
+            return AVERROR_INVALIDDATA;

        // Time samples for one or both channels
        if (sb < s->max_mono_subband && sb_reorder >= s->min_mono_subband) {
@@ -792,13 +808,14 @@ static int parse_lpc(DCALbrDecoder *s, int ch1, int ch2, int start_sb, int end_s
 static int parse_high_res_grid(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch2)
 {
    int quant_levels[DCA_LBR_SUBBANDS];
-    int sb, ch, ol, st, max_sb, profile;
+    int sb, ch, ol, st, max_sb, profile, ret;

    if (!chunk->len)
        return 0;

-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
+    ret = init_get_bits8(&s->gb, chunk->data, chunk->len);
+    if (ret < 0)
+        return ret;

    // Quantizer profile
    profile = get_bits(&s->gb, 8);
@@ -832,18 +849,20 @@ static int parse_high_res_grid(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int c
        s->quant_levels[ch1 / 2][sb] = quant_levels[sb];

    // LPC for the first two subbands
-    if (parse_lpc(s, ch1, ch2, 0, 2) < 0)
-        return -1;
+    ret = parse_lpc(s, ch1, ch2, 0, 2);
+    if (ret < 0)
+        return ret;

    // Time-samples for the first two subbands of main channel
-    if (parse_ts(s, ch1, ch2, 0, 2, 0) < 0)
-        return -1;
+    ret = parse_ts(s, ch1, ch2, 0, 2, 0);
+    if (ret < 0)
+        return ret;

    // First two bands of the first grid
    for (sb = 0; sb < 2; sb++)
        for (ch = ch1; ch <= ch2; ch++)
-            if (parse_scale_factors(s, s->grid_1_scf[ch][sb]) < 0)
-                return -1;
+            if ((ret = parse_scale_factors(s, s->grid_1_scf[ch][sb])) < 0)
+                return ret;

    return 0;
 }
@@ -892,39 +911,42 @@ static int parse_grid_2(DCALbrDecoder *s, int ch1, int ch2,

 static int parse_ts1_chunk(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch2)
 {
+    int ret;
    if (!chunk->len)
        return 0;
-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
-    if (parse_lpc(s, ch1, ch2, 2, 3) < 0)
-        return -1;
-    if (parse_ts(s, ch1, ch2, 2, 4, 0) < 0)
-        return -1;
-    if (parse_grid_2(s, ch1, ch2, 0, 1, 0) < 0)
-        return -1;
-    if (parse_ts(s, ch1, ch2, 4, 6, 0) < 0)
-        return -1;
+    if ((ret = init_get_bits8(&s->gb, chunk->data, chunk->len)) < 0)
+        return ret;
+    if ((ret = parse_lpc(s, ch1, ch2, 2, 3)) < 0)
+        return ret;
+    if ((ret = parse_ts(s, ch1, ch2, 2, 4, 0)) < 0)
+        return ret;
+    if ((ret = parse_grid_2(s, ch1, ch2, 0, 1, 0)) < 0)
+        return ret;
+    if ((ret = parse_ts(s, ch1, ch2, 4, 6, 0)) < 0)
+        return ret;
    return 0;
 }

 static int parse_ts2_chunk(DCALbrDecoder *s, LBRChunk *chunk, int ch1, int ch2)
 {
+    int ret;
+
    if (!chunk->len)
        return 0;
-    if (init_get_bits8(&s->gb, chunk->data, chunk->len) < 0)
-        return -1;
-    if (parse_grid_2(s, ch1, ch2, 1, 3, 0) < 0)
-        return -1;
-    if (parse_ts(s, ch1, ch2, 6, s->max_mono_subband, 0) < 0)
-        return -1;
+    if ((ret = init_get_bits8(&s->gb, chunk->data, chunk->len)) < 0)
+        return ret;
+    if ((ret = parse_grid_2(s, ch1, ch2, 1, 3, 0)) < 0)
+        return ret;
+    if ((ret = parse_ts(s, ch1, ch2, 6, s->max_mono_subband, 0)) < 0)
+        return ret;
    if (ch1 != ch2) {
-        if (parse_grid_1_sec_ch(s, ch2) < 0)
-            return -1;
-        if (parse_grid_2(s, ch1, ch2, 0, 3, 1) < 0)
-            return -1;
+        if ((ret = parse_grid_1_sec_ch(s, ch2)) < 0)
+            return ret;
+        if ((ret = parse_grid_2(s, ch1, ch2, 0, 3, 1)) < 0)
+            return ret;
    }
-    if (parse_ts(s, ch1, ch2, s->min_mono_subband, s->nsubbands, 1) < 0)
-        return -1;
+    if ((ret = parse_ts(s, ch1, ch2, s->min_mono_subband, s->nsubbands, 1)) < 0)
+        return ret;
    return 0;
 }

@@ -932,11 +954,13 @@ static int init_sample_rate(DCALbrDecoder *s)
 {
    double scale = (-1.0 / (1 << 17)) * sqrt(1 << (2 - s->limited_range));
    int i, br_per_ch = s->bit_rate_scaled / s->nchannels_total;
+    int ret;

    ff_mdct_end(&s->imdct);

-    if (ff_mdct_init(&s->imdct, s->freq_range + 6, 1, scale) < 0)
-        return -1;
+    ret = ff_mdct_init(&s->imdct, s->freq_range + 6, 1, scale);
+    if (ret < 0)
+        return ret;

    for (i = 0; i < 32 << s->freq_range; i++)
        s->window[i] = ff_dca_long_window[i << (2 - s->freq_range)];
@@ -975,7 +999,7 @@ static int alloc_sample_buffer(DCALbrDecoder *s)
    // Reallocate time sample buffer
    av_fast_mallocz(&s->ts_buffer, &s->ts_size, nsamples * sizeof(float));
    if (!s->ts_buffer)
-        return -1;
+        return AVERROR(ENOMEM);

    ptr = s->ts_buffer + DCA_LBR_TIME_HISTORY;
    for (ch = 0; ch < s->nchannels; ch++) {
@@ -1796,7 +1820,7 @@ av_cold int ff_dca_lbr_init(DCALbrDecoder *s)
    init_tables();

    if (!(s->fdsp = avpriv_float_dsp_alloc(0)))
-        return -1;
+        return AVERROR(ENOMEM);

    s->lbr_rand = 1;
    return 0;
--- a/libavcodec/dds.c
+++ b/libavcodec/dds.c
@@ -613,6 +613,7 @@ static int dds_decode(AVCodecContext *avctx, void *data,
    AVFrame *frame = data;
    int mipmap;
    int ret;
+    int width, height;

    ff_texturedsp_init(&ctx->texdsp);
    bytestream2_init(gbc, avpkt->data, avpkt->size);
@@ -631,9 +632,9 @@ static int dds_decode(AVCodecContext *avctx, void *data,

    bytestream2_skip(gbc, 4); // flags

-    avctx->height = bytestream2_get_le32(gbc);
-    avctx->width  = bytestream2_get_le32(gbc);
-    ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
+    height = bytestream2_get_le32(gbc);
+    width  = bytestream2_get_le32(gbc);
+    ret = ff_set_dimensions(avctx, width, height);
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR, "Invalid image size %dx%d.\n",
               avctx->width, avctx->height);
--- a/libavcodec/dfa.c
+++ b/libavcodec/dfa.c
@@ -355,6 +355,8 @@ static int dfa_decode_frame(AVCodecContext *avctx,

    bytestream2_init(&gb, avpkt->data, avpkt->size);
    while (bytestream2_get_bytes_left(&gb) > 0) {
+        if (bytestream2_get_bytes_left(&gb) < 12)
+            return AVERROR_INVALIDDATA;
        bytestream2_skip(&gb, 4);
        chunk_size = bytestream2_get_le32(&gb);
        chunk_type = bytestream2_get_le32(&gb);
--- a/libavcodec/dirac_parser.c
+++ b/libavcodec/dirac_parser.c
@@ -212,7 +212,7 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx,
        if (parse_timing_info && pu1.prev_pu_offset >= 13) {
            uint8_t *cur_pu = pc->buffer +
                              pc->index - 13 - pu1.prev_pu_offset;
-            int pts = AV_RB32(cur_pu + 13);
+            int64_t pts = AV_RB32(cur_pu + 13);
            if (s->last_pts == 0 && s->last_dts == 0)
                s->dts = pts - 1;
            else
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -676,6 +676,11 @@ static int decode_component(DiracContext *s, int comp)
            b->length = get_interleaved_ue_golomb(&s->gb);
            if (b->length) {
                b->quant = get_interleaved_ue_golomb(&s->gb);
+                if (b->quant > (DIRAC_MAX_QUANT_INDEX - 1)) {
+                    av_log(s->avctx, AV_LOG_ERROR, "Unsupported quant %d\n", b->quant);
+                    b->quant = 0;
+                    return AVERROR_INVALIDDATA;
+                }
                align_get_bits(&s->gb);
                b->coeff_data = s->gb.buffer + get_bits_count(&s->gb)/8;
                b->length = FFMIN(b->length, FFMAX(get_bits_left(&s->gb)/8, 0));
@@ -1266,7 +1271,9 @@ static int dirac_unpack_idwt_params(DiracContext *s)
        s->num_y        = get_interleaved_ue_golomb(gb);
        if (s->num_x * s->num_y == 0 || s->num_x * (uint64_t)s->num_y > INT_MAX ||
            s->num_x * (uint64_t)s->avctx->width  > INT_MAX ||
-            s->num_y * (uint64_t)s->avctx->height > INT_MAX
+            s->num_y * (uint64_t)s->avctx->height > INT_MAX ||
+            s->num_x > s->avctx->width ||
+            s->num_y > s->avctx->height
        ) {
            av_log(s->avctx,AV_LOG_ERROR,"Invalid numx/y\n");
            s->num_x = s->num_y = 0;
@@ -1422,9 +1429,9 @@ static void global_mv(DiracContext *s, DiracBlock *block, int x, int y, int ref)
    int *b      = s->globalmc[ref].pan_tilt;
    int *c      = s->globalmc[ref].perspective;

-    int m       = (1<<ep) - (c[0]*x + c[1]*y);
-    int64_t mx  = m * (int64_t)((A[0][0] * (int64_t)x + A[0][1]*(int64_t)y) + (1<<ez) * b[0]);
-    int64_t my  = m * (int64_t)((A[1][0] * (int64_t)x + A[1][1]*(int64_t)y) + (1<<ez) * b[1]);
+    int64_t m   = (1<<ep) - (c[0]*(int64_t)x + c[1]*(int64_t)y);
+    int64_t mx  = m * (int64_t)((A[0][0] * (int64_t)x + A[0][1]*(int64_t)y) + (1LL<<ez) * b[0]);
+    int64_t my  = m * (int64_t)((A[1][0] * (int64_t)x + A[1][1]*(int64_t)y) + (1LL<<ez) * b[1]);

    block->u.mv[ref][0] = (mx + (1<<(ez+ep))) >> (ez+ep);
    block->u.mv[ref][1] = (my + (1<<(ez+ep))) >> (ez+ep);
--- a/libavcodec/dnxhd_parser.c
+++ b/libavcodec/dnxhd_parser.c
@@ -79,10 +79,9 @@ static int dnxhd_find_frame_end(DNXHDParserContext *dctx,
                    if (remaining <= 0)
                        continue;
                }
+                remaining += i - 47;
                dctx->remaining = remaining;
-                if (buf_size - i + 47 >= dctx->remaining) {
-                    int remaining = dctx->remaining;
-
+                if (buf_size >= dctx->remaining) {
                    pc->frame_start_found = 0;
                    pc->state64 = -1;
                    dctx->cur_byte = 0;
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -220,7 +220,7 @@ static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx)
    ctx->vlc_bits  = ctx->orig_vlc_bits + max_level * 2;
    for (level = -max_level; level < max_level; level++) {
        for (run = 0; run < 2; run++) {
-            int index = (level << 1) | run;
+            int index = level * (1 << 1) | run;
            int sign, offset = 0, alevel = level;

            MASK_ABS(sign, alevel);
@@ -616,7 +616,7 @@ void dnxhd_encode_block(DNXHDEncContext *ctx, int16_t *block,
        slevel = block[j];
        if (slevel) {
            int run_level = i - last_non_zero - 1;
-            int rlevel = (slevel << 1) | !!run_level;
+            int rlevel = slevel * (1 << 1) | !!run_level;
            put_bits(&ctx->m.pb, ctx->vlc_bits[rlevel], ctx->vlc_codes[rlevel]);
            if (run_level)
                put_bits(&ctx->m.pb, ctx->run_bits[run_level],
@@ -696,7 +696,7 @@ int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, int16_t *block, int last_index)
        level = block[j];
        if (level) {
            int run_level = i - last_non_zero - 1;
-            bits += ctx->vlc_bits[(level << 1) |
+            bits += ctx->vlc_bits[level * (1 << 1) |
                    !!run_level] + ctx->run_bits[run_level];
            last_non_zero = i;
        }
--- a/libavcodec/dpcm.c
+++ b/libavcodec/dpcm.c
@@ -305,9 +305,8 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
                shift[ch] -= (2 * n);
            diff = sign_extend((diff &~ 3) << 8, 16);

-            /* saturate the shifter to a lower limit of 0 */
-            if (shift[ch] < 0)
-                shift[ch] = 0;
+            /* saturate the shifter to 0..31 */
+            shift[ch] = av_clip_uintp2(shift[ch], 5);

            diff >>= shift[ch];
            predictor[ch] += diff;
@@ -367,7 +366,7 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
        while (output_samples < samples_end) {
            uint8_t n = bytestream2_get_byteu(&gb);

-            *output_samples++ = s->sample[idx] += s->array[n];
+            *output_samples++ = s->sample[idx] += (unsigned)s->array[n];
            idx ^= 1;
        }
        }
--- a/libavcodec/dsddec.c
+++ b/libavcodec/dsddec.c
@@ -44,6 +44,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
    int i;
    uint8_t silence;

+    if (!avctx->channels)
+        return AVERROR_INVALIDDATA;
+
    ff_init_dsd_data();

    s = av_malloc_array(sizeof(DSDContext), avctx->channels);
--- a/libavcodec/dstdec.c
+++ b/libavcodec/dstdec.c
@@ -37,7 +37,7 @@
 #define DST_MAX_CHANNELS 6
 #define DST_MAX_ELEMENTS (2 * DST_MAX_CHANNELS)

-#define DSD_FS44(sample_rate) (sample_rate * 8 / 44100)
+#define DSD_FS44(sample_rate) (sample_rate * 8LL / 44100)

 #define DST_SAMPLES_PER_FRAME(sample_rate) (588 * DSD_FS44(sample_rate))

@@ -85,6 +85,16 @@ static av_cold int decode_init(AVCodecContext *avctx)
        return AVERROR_PATCHWELCOME;
    }

+    // the sample rate is only allowed to be 64,128,256 * 44100 by ISO/IEC 14496-3:2005(E)
+    // We are a bit more tolerant here, but this check is needed to bound the size and duration
+    if (avctx->sample_rate > 512 * 44100)
+        return AVERROR_INVALIDDATA;
+
+
+    if (DST_SAMPLES_PER_FRAME(avctx->sample_rate) & 7) {
+        return AVERROR_PATCHWELCOME;
+    }
+
    avctx->sample_fmt = AV_SAMPLE_FMT_FLT;

    for (i = 0; i < avctx->channels; i++)
@@ -120,7 +130,7 @@ static int read_map(GetBitContext *gb, Table *t, unsigned int map[DST_MAX_CHANNE

 static av_always_inline int get_sr_golomb_dst(GetBitContext *gb, unsigned int k)
 {
-    int v = get_ur_golomb(gb, k, get_bits_left(gb), 0);
+    int v = get_ur_golomb_jpegls(gb, k, get_bits_left(gb), 0);
    if (v && get_bits1(gb))
        v = -v;
    return v;
@@ -155,12 +165,16 @@ static int read_table(GetBitContext *gb, Table *t, const int8_t code_pred_coeff[
            for (j = method + 1; j < t->length[i]; j++) {
                int c, x = 0;
                for (k = 0; k < method + 1; k++)
-                    x += code_pred_coeff[method][k] * t->coeff[i][j - k - 1];
+                    x += code_pred_coeff[method][k] * (unsigned)t->coeff[i][j - k - 1];
                c = get_sr_golomb_dst(gb, lsb_size);
                if (x >= 0)
                    c -= (x + 4) / 8;
                else
                    c += (-x + 3) / 8;
+                if (!is_signed) {
+                    if (c < offset || c >= offset + (1<<coeff_bits))
+                        return AVERROR_INVALIDDATA;
+                }
                t->coeff[i][j] = c;
            }
        }
@@ -298,11 +312,15 @@ static int decode_frame(AVCodecContext *avctx, void *data,

    /* Filter Coef Sets (10.12) */

-    read_table(gb, &s->fsets, fsets_code_pred_coeff, 7, 9, 1, 0);
+    ret = read_table(gb, &s->fsets, fsets_code_pred_coeff, 7, 9, 1, 0);
+    if (ret < 0)
+        return ret;

    /* Probability Tables (10.13) */

-    read_table(gb, &s->probs, probs_code_pred_coeff, 6, 7, 0, 1);
+    ret = read_table(gb, &s->probs, probs_code_pred_coeff, 6, 7, 0, 1);
+    if (ret < 0)
+        return ret;

    /* Arithmetic Coded Data (10.11) */

--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -1267,6 +1267,13 @@ static int dvbsub_parse_region_segment(AVCodecContext *avctx,
        display->y_pos = AV_RB16(buf) & 0xfff;
        buf += 2;

+        if (display->x_pos >= region->width ||
+            display->y_pos >= region->height) {
+            av_log(avctx, AV_LOG_ERROR, "Object outside region\n");
+            av_free(display);
+            return AVERROR_INVALIDDATA;
+        }
+
        if ((object->type == 1 || object->type == 2) && buf+1 < buf_end) {
            display->fgcolor = *buf++;
            display->bgcolor = *buf++;
@@ -1571,8 +1578,9 @@ static int dvbsub_parse_display_definition_segment(AVCodecContext *avctx,
    display_def->width   = bytestream_get_be16(&buf) + 1;
    display_def->height  = bytestream_get_be16(&buf) + 1;
    if (!avctx->width || !avctx->height) {
-        avctx->width  = display_def->width;
-        avctx->height = display_def->height;
+        int ret = ff_set_dimensions(avctx, display_def->width, display_def->height);
+        if (ret < 0)
+            return ret;
    }

    if (info_byte & 1<<3) { // display_window_flag
--- a/libavcodec/dxv.c
+++ b/libavcodec/dxv.c
@@ -426,7 +426,8 @@ static int fill_optable(unsigned *table0, OpcodeTable *table1, int nb_elements)
 static int get_opcodes(GetByteContext *gb, uint32_t *table, uint8_t *dst, int op_size, int nb_elements)
 {
    OpcodeTable optable[1024];
-    int sum, x, val, lshift, rshift, ret, size_in_bits, i, idx;
+    int sum, x, val, lshift, rshift, ret, i, idx;
+    int64_t size_in_bits;
    unsigned endoffset, newoffset, offset;
    unsigned next;
    uint8_t *src = (uint8_t *)gb->buffer;
@@ -742,6 +743,9 @@ static int dxv_decompress_cocg(DXVContext *ctx, GetByteContext *gb,
    int skip0, skip1, oi0 = 0, oi1 = 0;
    int ret, state0 = 0, state1 = 0;

+    if (op_offset < 12 || op_offset - 12 > bytestream2_get_bytes_left(gb))
+        return AVERROR_INVALIDDATA;
+
    dst = tex_data;
    bytestream2_skip(gb, op_offset - 12);
    if (op_size0 > max_op_size0)
@@ -749,7 +753,6 @@ static int dxv_decompress_cocg(DXVContext *ctx, GetByteContext *gb,
    skip0 = dxv_decompress_opcodes(gb, op_data0, op_size0);
    if (skip0 < 0)
        return skip0;
-    bytestream2_seek(gb, data_start + op_offset + skip0 - 12, SEEK_SET);
    if (op_size1 > max_op_size1)
        return AVERROR_INVALIDDATA;
    skip1 = dxv_decompress_opcodes(gb, op_data1, op_size1);
@@ -778,7 +781,7 @@ static int dxv_decompress_cocg(DXVContext *ctx, GetByteContext *gb,
            return ret;
    }

-    bytestream2_seek(gb, data_start + op_offset + skip0 + skip1 - 12, SEEK_SET);
+    bytestream2_seek(gb, data_start - 12 + op_offset + skip0 + skip1, SEEK_SET);

    return 0;
 }
@@ -793,6 +796,9 @@ static int dxv_decompress_yo(DXVContext *ctx, GetByteContext *gb,
    uint8_t *dst, *table0[256] = { 0 }, *table1[256] = { 0 };
    int ret, state = 0, skip, oi = 0, v, vv;

+    if (op_offset < 8 || op_offset - 8 > bytestream2_get_bytes_left(gb))
+        return AVERROR_INVALIDDATA;
+
    dst = tex_data;
    bytestream2_skip(gb, op_offset - 8);
    if (op_size > max_op_size)
@@ -1051,6 +1057,10 @@ static int dxv_decode(AVCodecContext *avctx, void *data,
    avctx->pix_fmt = AV_PIX_FMT_RGBA;
    avctx->colorspace = AVCOL_SPC_RGB;

+    ctx->tex_funct = NULL;
+    ctx->tex_funct_planar[0] = NULL;
+    ctx->tex_funct_planar[1] = NULL;
+
    tag = bytestream2_get_le32(gbc);
    switch (tag) {
    case MKBETAG('D', 'X', 'T', '1'):
@@ -1192,6 +1202,12 @@ static int dxv_decode(AVCodecContext *avctx, void *data,
    ret = decompress_tex(avctx);
    if (ret < 0)
        return ret;
+    {
+        int w_block = avctx->coded_width / ctx->texture_block_w;
+        int h_block = avctx->coded_height / ctx->texture_block_h;
+        if (w_block * h_block * ctx->tex_step > ctx->tex_size * 8LL)
+            return AVERROR_INVALIDDATA;
+    }

    tframe.f = data;
    ret = ff_thread_get_buffer(avctx, &tframe, 0);
--- a/libavcodec/eatgv.c
+++ b/libavcodec/eatgv.c
@@ -300,6 +300,9 @@ static int tgv_decode_frame(AVCodecContext *avctx,
            s->palette[i] = 0xFFU << 24 | AV_RB24(buf);
            buf += 3;
        }
+        if (buf_end - buf < 5) {
+            return AVERROR_INVALIDDATA;
+        }
    }

    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -131,6 +131,9 @@ static int tqi_decode_frame(AVCodecContext *avctx,
    AVFrame *frame = data;
    int ret, w, h;

+    if (buf_size < 12)
+        return AVERROR_INVALIDDATA;
+
    t->avctx = avctx;

    w = AV_RL16(&buf[0]);
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -437,7 +437,7 @@ static void guess_mv(ERContext *s)
    }

    if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
-        num_avail <= mb_width / 2) {
+        num_avail <= FFMAX(mb_width, mb_height) / 2) {
        for (mb_y = 0; mb_y < mb_height; mb_y++) {
            for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
                const int mb_xy = mb_x + mb_y * s->mb_stride;
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -881,7 +881,7 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src,
                in     = ptr[3] + s->xdelta;

                for (j = 0; j < s->xdelta; ++j) {
-                    uint32_t diff = (*(ptr[0]++) << 24) |
+                    uint32_t diff = ((uint32_t)*(ptr[0]++) << 24) |
                    (*(ptr[1]++) << 16) |
                    (*(ptr[2]++) << 8 ) |
                    (*(ptr[3]++));
@@ -1307,6 +1307,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
    int magic_number, version, i, flags, sar = 0;
    int layer_match = 0;
    int ret;
+    int dup_channels = 0;

    s->current_channel_offset = 0;
    s->xmin               = ~0;
@@ -1389,6 +1390,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
                        if (*ch_gb.buffer == '.')
                            ch_gb.buffer++;         /* skip dot if not given */
                    } else {
+                        layer_match = 0;
                        av_log(s->avctx, AV_LOG_INFO,
                               "Channel doesn't match layer : %s.\n", ch_gb.buffer);
                    }
@@ -1463,6 +1465,13 @@ static int decode_header(EXRContext *s, AVFrame *frame)
                    }
                    s->pixel_type                     = current_pixel_type;
                    s->channel_offsets[channel_index] = s->current_channel_offset;
+                } else if (channel_index >= 0) {
+                    av_log(s->avctx, AV_LOG_WARNING,
+                            "Multiple channels with index %d.\n", channel_index);
+                    if (++dup_channels > 10) {
+                        ret = AVERROR_INVALIDDATA;
+                        goto fail;
+                    }
                }

                s->channels = av_realloc(s->channels,
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -906,7 +906,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
            unsigned crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, v);
            if (crc) {
                int64_t ts = avpkt->pts != AV_NOPTS_VALUE ? avpkt->pts : avpkt->dts;
-                av_log(f->avctx, AV_LOG_ERROR, "CRC mismatch %X!", crc);
+                av_log(f->avctx, AV_LOG_ERROR, "slice CRC mismatch %X!", crc);
                if (ts != AV_NOPTS_VALUE && avctx->pkt_timebase.num) {
                    av_log(f->avctx, AV_LOG_ERROR, "at %f seconds\n", ts*av_q2d(avctx->pkt_timebase));
                } else if (ts != AV_NOPTS_VALUE) {
--- a/libavcodec/ffwavesynth.c
+++ b/libavcodec/ffwavesynth.c
@@ -113,18 +113,12 @@ static uint32_t lcg_next(uint32_t *s)
    return *s;
 }

-static void lcg_seek(uint32_t *s, int64_t dt)
+static void lcg_seek(uint32_t *s, uint32_t dt)
 {
    uint32_t a, c, t = *s;

-    if (dt >= 0) {
-        a = LCG_A;
-        c = LCG_C;
-    } else { /* coefficients for a step backward */
-        a = LCG_AI;
-        c = (uint32_t)(LCG_AI * LCG_C);
-        dt = -dt;
-    }
+    a = LCG_A;
+    c = LCG_C;
    while (dt) {
        if (dt & 1)
            t = a * t + c;
@@ -221,12 +215,12 @@ static void wavesynth_seek(struct wavesynth_context *ws, int64_t ts)
    ws->next_inter = i;
    ws->next_ts = i < ws->nb_inter ? ws->inter[i].ts_start : INF_TS;
    *last = -1;
-    lcg_seek(&ws->dither_state, ts - ws->cur_ts);
+    lcg_seek(&ws->dither_state, (uint32_t)ts - (uint32_t)ws->cur_ts);
    if (ws->pink_need) {
-        int64_t pink_ts_cur  = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1);
-        int64_t pink_ts_next = ts & ~(PINK_UNIT - 1);
+        uint64_t pink_ts_cur  = (ws->cur_ts + (uint64_t)PINK_UNIT - 1) & ~(PINK_UNIT - 1);
+        uint64_t pink_ts_next = ts & ~(PINK_UNIT - 1);
        int pos = ts & (PINK_UNIT - 1);
-        lcg_seek(&ws->pink_state, (pink_ts_next - pink_ts_cur) << 1);
+        lcg_seek(&ws->pink_state, (uint32_t)(pink_ts_next - pink_ts_cur) * 2);
        if (pos) {
            pink_fill(ws);
            ws->pink_pos = pos;
@@ -253,7 +247,7 @@ static int wavesynth_parse_extradata(AVCodecContext *avc)
    edata_end = edata + avc->extradata_size;
    ws->nb_inter = AV_RL32(edata);
    edata += 4;
-    if (ws->nb_inter < 0)
+    if (ws->nb_inter < 0 || (edata_end - edata) / 24 < ws->nb_inter)
        return AVERROR(EINVAL);
    ws->inter = av_calloc(ws->nb_inter, sizeof(*ws->inter));
    if (!ws->inter)
@@ -267,13 +261,16 @@ static int wavesynth_parse_extradata(AVCodecContext *avc)
        in->type     = AV_RL32(edata + 16);
        in->channels = AV_RL32(edata + 20);
        edata += 24;
-        if (in->ts_start < cur_ts || in->ts_end <= in->ts_start)
+        if (in->ts_start < cur_ts ||
+            in->ts_end <= in->ts_start ||
+            (uint64_t)in->ts_end - in->ts_start > INT64_MAX
+        )
            return AVERROR(EINVAL);
        cur_ts = in->ts_start;
        dt = in->ts_end - in->ts_start;
        switch (in->type) {
            case WS_SINE:
-                if (edata_end - edata < 20)
+                if (edata_end - edata < 20 || avc->sample_rate <= 0)
                    return AVERROR(EINVAL);
                f1  = AV_RL32(edata +  0);
                f2  = AV_RL32(edata +  4);
@@ -284,7 +281,7 @@ static int wavesynth_parse_extradata(AVCodecContext *avc)
                dphi1 = frac64(f1, (int64_t)avc->sample_rate << 16);
                dphi2 = frac64(f2, (int64_t)avc->sample_rate << 16);
                in->dphi0 = dphi1;
-                in->ddphi = (dphi2 - dphi1) / dt;
+                in->ddphi = (int64_t)(dphi2 - (uint64_t)dphi1) / dt;
                if (phi & 0x80000000) {
                    phi &= ~0x80000000;
                    if (phi >= i)
@@ -304,8 +301,8 @@ static int wavesynth_parse_extradata(AVCodecContext *avc)
            default:
                return AVERROR(EINVAL);
        }
-        in->amp0 = (int64_t)a1 << 32;
-        in->damp = (((int64_t)a2 << 32) - ((int64_t)a1 << 32)) / dt;
+        in->amp0 = (uint64_t)a1 << 32;
+        in->damp = (int64_t)(((uint64_t)a2 << 32) - ((uint64_t)a1 << 32)) / dt;
    }
    if (edata != edata_end)
        return AVERROR(EINVAL);
@@ -353,7 +350,8 @@ fail:
 static void wavesynth_synth_sample(struct wavesynth_context *ws, int64_t ts,
                                   int32_t *channels)
 {
-    int32_t amp, val, *cv;
+    int32_t amp, *cv;
+    unsigned val;
    struct ws_interval *in;
    int i, *last, pink;
    uint32_t c, all_ch = 0;
@@ -380,7 +378,7 @@ static void wavesynth_synth_sample(struct wavesynth_context *ws, int64_t ts,
                in->dphi += in->ddphi;
                break;
            case WS_NOISE:
-                val = amp * pink;
+                val = amp * (unsigned)pink;
                break;
            default:
                val = 0;
@@ -388,7 +386,7 @@ static void wavesynth_synth_sample(struct wavesynth_context *ws, int64_t ts,
        all_ch |= in->channels;
        for (c = in->channels, cv = channels; c; c >>= 1, cv++)
            if (c & 1)
-                *cv += val;
+                *cv += (unsigned)val;
    }
    val = (int32_t)lcg_next(&ws->dither_state) >> 16;
    for (c = all_ch, cv = channels; c; c >>= 1, cv++)
@@ -446,7 +444,7 @@ static int wavesynth_decode(AVCodecContext *avc, void *rframe, int *rgot_frame,
    if (r < 0)
        return r;
    pcm = (int16_t *)frame->data[0];
-    for (s = 0; s < duration; s++, ts++) {
+    for (s = 0; s < duration; s++, ts+=(uint64_t)1) {
        memset(channels, 0, avc->channels * sizeof(*channels));
        if (ts >= ws->next_ts)
            wavesynth_enter_intervals(ws, ts);
@@ -454,7 +452,7 @@ static int wavesynth_decode(AVCodecContext *avc, void *rframe, int *rgot_frame,
        for (c = 0; c < avc->channels; c++)
            *(pcm++) = channels[c] >> 16;
    }
-    ws->cur_ts += duration;
+    ws->cur_ts += (uint64_t)duration;
    *rgot_frame = 1;
    return packet->size;
 }
--- a/libavcodec/fic.c
+++ b/libavcodec/fic.c
@@ -139,6 +139,9 @@ static int fic_decode_block(FICContext *ctx, GetBitContext *gb,
 {
    int i, num_coeff;

+    if (get_bits_left(gb) < 8)
+        return AVERROR_INVALIDDATA;
+
    /* Is it a skip block? */
    if (get_bits1(gb)) {
        *is_p = 1;
@@ -380,6 +383,8 @@ static int fic_decode_frame(AVCodecContext *avctx, void *data,
            slice_h      = FFALIGN(avctx->height - ctx->slice_h * (nslices - 1), 16);
        } else {
            slice_size = AV_RB32(src + tsize + FIC_HEADER_SIZE + slice * 4 + 4);
+            if (slice_size < slice_off)
+                return AVERROR_INVALIDDATA;
        }

        if (slice_size < slice_off || slice_size > msize)
--- a/libavcodec/fits.c
+++ b/libavcodec/fits.c
@@ -138,6 +138,17 @@ int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t
    case STATE_BITPIX:
        CHECK_KEYWORD("BITPIX");
        CHECK_VALUE("BITPIX", bitpix);
+
+        switch(header->bitpix) {
+        case   8:
+        case  16:
+        case  32: case -32:
+        case  64: case -64: break;
+        default:
+            av_log(avcl, AV_LOG_ERROR, "invalid value of BITPIX %d\n", header->bitpix); \
+            return AVERROR_INVALIDDATA;
+        }
+
        dict_set_if_not_null(metadata, keyword, value);

        header->state = STATE_NAXIS;
--- a/libavcodec/fitsdec.c
+++ b/libavcodec/fitsdec.c
@@ -143,7 +143,7 @@ static int fits_read_header(AVCodecContext *avctx, const uint8_t **ptr, FITSHead

    size = abs(header->bitpix) >> 3;
    for (i = 0; i < header->naxis; i++) {
-        if (header->naxisn[i] > SIZE_MAX / size) {
+        if (size == 0 || header->naxisn[i] > SIZE_MAX / size) {
            av_log(avctx, AV_LOG_ERROR, "unsupported size of FITS image");
            return AVERROR_INVALIDDATA;
        }
@@ -168,6 +168,14 @@ static int fits_read_header(AVCodecContext *avctx, const uint8_t **ptr, FITSHead
        header->data_min = (header->data_min - header->bzero) / header->bscale;
        header->data_max = (header->data_max - header->bzero) / header->bscale;
    }
+    if (!header->rgb && header->data_min >= header->data_max) {
+        if (header->data_min > header->data_max) {
+            av_log(avctx, AV_LOG_ERROR, "data min/max (%g %g) is invalid\n", header->data_min, header->data_max);
+            return AVERROR_INVALIDDATA;
+        }
+        av_log(avctx, AV_LOG_WARNING, "data min/max indicates a blank image\n");
+        header->data_max ++;
+    }

    return 0;
 }
@@ -256,6 +264,13 @@ static int fits_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
            CASE_RGB(16, dst16, uint16_t, AV_RB16);
        }
    } else {
+        double scale = header.data_max - header.data_min;
+
+        if (scale <= 0 || !isfinite(scale)) {
+            scale = 1;
+        }
+        scale = 1/scale;
+
        switch (header.bitpix) {
 #define CASE_GRAY(cas, dst, type, t, rd) \
    case cas: \
@@ -264,7 +279,7 @@ static int fits_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
            for (j = 0; j < avctx->width; j++) { \
                t = rd; \
                if (!header.blank_found || t != header.blank) { \
-                    *dst++ = ((t - header.data_min) * ((1 << (sizeof(type) * 8)) - 1)) / (header.data_max - header.data_min); \
+                    *dst++ = lrint(((t - header.data_min) * ((1 << (sizeof(type) * 8)) - 1)) * scale); \
                } else { \
                    *dst++ = fitsctx->blank_val; \
                } \
--- a/libavcodec/flac_parser.c
+++ b/libavcodec/flac_parser.c
@@ -216,16 +216,20 @@ static int find_headers_search(FLACParseContext *fpc, uint8_t *buf, int buf_size
    uint32_t x;

    for (i = 0; i < mod_offset; i++) {
-        if ((AV_RB16(buf + i) & 0xFFFE) == 0xFFF8)
-            size = find_headers_search_validate(fpc, search_start + i);
+        if ((AV_RB16(buf + i) & 0xFFFE) == 0xFFF8) {
+            int ret = find_headers_search_validate(fpc, search_start + i);
+            size = FFMAX(size, ret);
+        }
    }

    for (; i < buf_size - 1; i += 4) {
        x = AV_RB32(buf + i);
        if (((x & ~(x + 0x01010101)) & 0x80808080)) {
            for (j = 0; j < 4; j++) {
-                if ((AV_RB16(buf + i + j) & 0xFFFE) == 0xFFF8)
-                    size = find_headers_search_validate(fpc, search_start + i + j);
+                if ((AV_RB16(buf + i + j) & 0xFFFE) == 0xFFF8) {
+                    int ret = find_headers_search_validate(fpc, search_start + i + j);
+                    size = FFMAX(size, ret);
+                }
            }
        }
    }
--- a/libavcodec/flacdsp_template.c
+++ b/libavcodec/flacdsp_template.c
@@ -66,8 +66,8 @@ static void FUNC(flac_decorrelate_ls_c)(uint8_t **out, int32_t **in,
    int i;

    for (i = 0; i < len; i++) {
-        int a = in[0][i];
-        int b = in[1][i];
+        unsigned a = in[0][i];
+        unsigned b = in[1][i];
        S(samples, 0, i) =  a      << shift;
        S(samples, 1, i) = (a - b) << shift;
    }
@@ -80,8 +80,8 @@ static void FUNC(flac_decorrelate_rs_c)(uint8_t **out, int32_t **in,
    int i;

    for (i = 0; i < len; i++) {
-        int a = in[0][i];
-        int b = in[1][i];
+        unsigned a = in[0][i];
+        unsigned b = in[1][i];
        S(samples, 0, i) = (a + b) << shift;
        S(samples, 1, i) =  b      << shift;
    }
@@ -94,7 +94,7 @@ static void FUNC(flac_decorrelate_ms_c)(uint8_t **out, int32_t **in,
    int i;

    for (i = 0; i < len; i++) {
-        int a = in[0][i];
+        unsigned a = in[0][i];
        int b = in[1][i];
        a -= b >> 1;
        S(samples, 0, i) = (a + b) << shift;
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -175,7 +175,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
    int lines;
    int compressed_lines;
    int starting_line;
-    signed short line_packets;
+    int line_packets;
    int y_ptr;
    int byte_run;
    int pixel_skip;
@@ -274,7 +274,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                    break;
                if (y_ptr > pixel_limit)
                    return AVERROR_INVALIDDATA;
-                line_packets = bytestream2_get_le16(&g2);
+                line_packets = sign_extend(bytestream2_get_le16(&g2), 16);
                if ((line_packets & 0xC000) == 0xC000) {
                    // line skip opcode
                    line_packets = -line_packets;
@@ -508,7 +508,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,

    int lines;
    int compressed_lines;
-    signed short line_packets;
+    int line_packets;
    int y_ptr;
    int byte_run;
    int pixel_skip;
@@ -572,7 +572,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                    break;
                if (y_ptr > pixel_limit)
                    return AVERROR_INVALIDDATA;
-                line_packets = bytestream2_get_le16(&g2);
+                line_packets = sign_extend(bytestream2_get_le16(&g2), 16);
                if (line_packets < 0) {
                    line_packets = -line_packets;
                    if (line_packets > s->avctx->height)
@@ -806,7 +806,7 @@ static int flic_decode_frame_24BPP(AVCodecContext *avctx,

    int lines;
    int compressed_lines;
-    signed short line_packets;
+    int line_packets;
    int y_ptr;
    int byte_run;
    int pixel_skip;
@@ -870,7 +870,7 @@ static int flic_decode_frame_24BPP(AVCodecContext *avctx,
                    break;
                if (y_ptr > pixel_limit)
                    return AVERROR_INVALIDDATA;
-                line_packets = bytestream2_get_le16(&g2);
+                line_packets = sign_extend(bytestream2_get_le16(&g2), 16);
                if (line_packets < 0) {
                    line_packets = -line_packets;
                    if (line_packets > s->avctx->height)
@@ -900,7 +900,7 @@ static int flic_decode_frame_24BPP(AVCodecContext *avctx,
                        } else {
                            if (bytestream2_tell(&g2) + 2*byte_run > stream_ptr_after_chunk)
                                break;
-                            CHECK_PIXEL_PTR(2 * byte_run);
+                            CHECK_PIXEL_PTR(3 * byte_run);
                            for (j = 0; j < byte_run; j++, pixel_countdown--) {
                                pixel = bytestream2_get_le24(&g2);
                                AV_WL24(&pixels[pixel_ptr], pixel);
@@ -1024,14 +1024,7 @@ static int flic_decode_frame_24BPP(AVCodecContext *avctx,
                for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
                     y_ptr += s->frame->linesize[0]) {

-                    pixel_countdown = s->avctx->width;
-                    pixel_ptr = 0;
-                    while (pixel_countdown > 0) {
-                        pixel = bytestream2_get_le24(&g2);
-                        AV_WL24(&pixels[y_ptr + pixel_ptr], pixel);
-                        pixel_ptr += 3;
-                        pixel_countdown--;
-                    }
+                    bytestream2_get_buffer(&g2, pixels + y_ptr, 3*s->avctx->width);
                    if (s->avctx->width & 1)
                        bytestream2_skip(&g2, 3);
                }
--- a/libavcodec/fmvc.c
+++ b/libavcodec/fmvc.c
@@ -402,6 +402,9 @@ static int decode_frame(AVCodecContext *avctx, void *data,
    AVFrame *frame = data;
    int ret, y, x;

+    if (avpkt->size < 8)
+        return AVERROR_INVALIDDATA;
+
    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
        return ret;

--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -244,6 +244,9 @@ static int jpg_decode_block(JPGContext *c, GetBitContext *gb,
    const int is_chroma = !!plane;
    const uint8_t *qmat = is_chroma ? chroma_quant : luma_quant;

+    if (get_bits_left(gb) < 1)
+        return AVERROR_INVALIDDATA;
+
    c->bdsp.clear_block(block);
    dc = get_vlc2(gb, c->dc_vlc[is_chroma].table, 9, 3);
    if (dc < 0)
@@ -854,6 +857,9 @@ static int epic_decode_tile(ePICContext *dc, uint8_t *out, int tile_height,
                    uint32_t ref_pix = curr_row[x - 1];
                    if (!x || !epic_decode_from_cache(dc, ref_pix, &pix)) {
                        pix = epic_decode_pixel_pred(dc, x, y, curr_row, above_row);
+                        if (is_pixel_on_stack(dc, pix))
+                            return AVERROR_INVALIDDATA;
+
                        if (x) {
                            int ret = epic_add_pixel_to_cache(&dc->hash,
                                                              ref_pix,
@@ -911,6 +917,11 @@ static int epic_jb_decode_tile(G2MContext *c, int tile_x, int tile_y,
    awidth      = FFALIGN(tile_width,  16);
    aheight     = FFALIGN(tile_height, 16);

+    if (tile_width > (1 << FF_ARRAY_ELEMS(c->ec.prev_row_rung))) {
+        avpriv_request_sample(avctx, "large tile width");
+        return AVERROR_INVALIDDATA;
+    }
+
    if (els_dsize) {
        int ret, i, j, k;
        uint8_t tr_r, tr_g, tr_b, *buf;
--- a/libavcodec/g723_1dec.c
+++ b/libavcodec/g723_1dec.c
@@ -667,7 +667,9 @@ static int estimate_sid_gain(G723_1_Context *p)
            if (p->sid_gain < 0) t = INT32_MIN;
            else                 t = INT32_MAX;
        } else
-            t = p->sid_gain << shift;
+            t = p->sid_gain * (1 << shift);
+    } else if(shift < -31) {
+        t = (p->sid_gain < 0) ? -1 : 0;
    }else
        t = p->sid_gain >> -shift;
    x = av_clipl_int32(t * (int64_t)cng_filt[0] >> 16);
--- a/libavcodec/g729_parser.c
+++ b/libavcodec/g729_parser.c
@@ -51,6 +51,12 @@ static int g729_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
        s->duration   = avctx->frame_size;
    }

+    if (!s->block_size) {
+        *poutbuf      = buf;
+        *poutbuf_size = buf_size;
+        return buf_size;
+    }
+
    if (!s->remaining)
        s->remaining = s->block_size;
    if (s->remaining <= buf_size) {
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .0.git
 .1.6