Bump version for master after 3.4 branchpoint

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-11 02:45:37 +02:00
367 changed files with 1603 additions and 3869 deletions
--- a/739
+++ b/739
@@ -1,744 +1,7 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.

-version 3.4.7:
- 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()
- avformat/mp3dec: Check that the frame fits within the probe buffe
- lavc/tableprint_vlc: Remove avpriv_request_sample() from included files.
- 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/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/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/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/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/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/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/utils: Check sample_rate before opening the decoder
- avcodec/fitsdec: fix use of uninitialised values
- avcodec/motionpixels: Mark 2 functions as always_inline
- 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/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/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/adpcm: Check number of channels for MTAF
- avcodec/sunrast: Fix indention
- avcodec/sunrast: Fix return type for "unsupported (compression) type"
- 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/vp56rac: delay signaling an error on truncated input
- avcodec/vp5/6/8: use vpX_rac_is_end()
- avcodec/vp56: Add vpX_rac_is_end() to check for the end of 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/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/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/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/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/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/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/hnm4video: Forward errors of decode_interframe_v4()
- 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
- 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/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
- 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/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/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/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/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/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()
- avcodec/rscc: Check that the to be uncompressed input is large enough
- avcodec/bsf: check that AVBSFInternal was allocated before dereferencing it
- lavf/rawenc: Only accept the appropriate stream type for raw muxers.
- avcodec/h263dec: fix hwaccel decoding
- avutil/mem: Fix invalid use of av_alloc_size
- avformat/aacdec: resync to the next adts frame on invalid data instead of aborting
- avformat/aacdec: factorize the adts frame resync code
-
-version 3.4.6:
- avcodec/hevcdec: Avoid only partly skiping duplicate first slices
- lavc/bmp: Avoid a heap buffer overwrite for 1bpp input.
- avcodec/truemotion2: Fix integer overflow in tm2_null_res_block()
- avcodec/dfa: Check the chunk header is not truncated
- avcodec/dvbsubdec: Check object position
- avcodec/cdgraphics: Use ff_set_dimensions()
- avformat/gdv: Check fps
- 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
- 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()
- avformat/mov: validate chunk_count vs stsc_data
- avformat/mov.c: 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/fic: Check that there is input left in fic_decode_block()
- 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/diracdec: Check component quant
- avcodec/tests/rangecoder: initialize array to avoid valgrind warning
- 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
- avcodec/4xm: Fix returned error codes
- 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
- postproc/postprocess_template: remove FF_REG_sp from clobber list
- postproc/postprocess_template: Avoid using %4 for the threshold compare
- 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
- avformat/nutenc: Document trailer index assert better
- lavf/mov: ensure only one tkhd per trak
- 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/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/cavsdec: Propagate error codes inside decode_mb_i()
- avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case
- avcodec/hevcdec: decode at most one slice reporting being the first in the picture
- avfilter/af_silenceremove: fix possible crash if supplied duration is negative
-
-version 3.4.5:
- avutil/integer: Fix integer overflow in av_mul_i()
- avcodec/msrle: Check that the input is large enough to contain a end of picture code
- avcodec/jpeg2000dec: Fix off by 1 error in JPEG2000_PGOD_CPRL handling
- avcodec/mpeg4videodec: Fix typo in sprite delta check
- avcodec/h264_cavlc: Check mb_skip_run
- avcodec/ra144: Fix integer overflow in add_wav()
- avformat/utils: Never store negative values in last_IP_duration
- avformat/utils: Fix integer overflow in discontinuity check
- avcodec/unary: Improve get_unary() docs
- avcodec/gdv: Replace divisions by shifts in rescale()
- avcodec/dvdsubdec: Sanity check len in decode_rle()
- avcodec/mpeg4videodec: Fix undefined shift in get_amv()
- avcodec/zmbv: Check that the decompressed data size is correct
- avcodec/zmbv: Update decomp_len in raw frames
- avcodec/shorten: Fix bitstream end check in read_header()
- avcodec/dvdsubdec: Avoid branch in decode_run_8bit()
- avcodec/h264_refs: Document last if() in ff_h264_execute_ref_pic_marking()
- avcodec/ra144: Fix undefined integer overflow in add_wav()
- avcodec/indeo4: Check dimensions in decode_pic_hdr()
- avformat/mov: Error on too large stsd entry counts.
- examples: Fix use of AV_CODEC_FLAG_GLOBAL_HEADER
- avcodec/hq_hqa: Check remaining input bits in hqa_decode_mb()
- avcodec/vb: Check for end of bytestream before reading blocktype
- avcodec/snowdec: Fix integer overflow with motion vector residual
- avformat/nsvdec: Do not parse multiple NSVf
- avformat/mlvdec: read_string() received unsigned size, make the argument unsigned
- avformat/rmdec: Fix EOF check in the stream loop in ivr_read_header()
- avcodec/scpr: Check for min > max in decompress_p()
- avcodec/shorten: Fix signed 32bit overflow in shift in shorten_decode_frame()
- avcodec/shorten: Fix integer overflow in residual/LPC combination
- avcodec/shorten: Check verbatim length
- avcodec/mpegaudio_parser: Initialize poutbuf*
- avcodec/aacpsdsp_template: Fix integer overflow in ps_stereo_interpolate_c()
- avformat/flvenc: Check audio packet size
- lavc/svq3: Fix regression decoding some files.
- avcodec/qtrle: Check remaining bytestream in qtrle_decode_XYbpp()
- avcodec/diracdec: Check bytes count in else branch in decode_lowdelay() too
- avcodec/diracdec: Check slice numbers for overflows in relation to picture dimensions
- avcodec/diracdec: Change frame_number to 64bit as its a 32bit from the bitstream and we also have a -1 special case
- avcodec/dirac_dwt_template: Fix several integer overflows in horizontal_compose_daub97i()
- avcodec/diracdec: Prevent integer overflow in intermediate in global_mv()
- swresample/swresample: Fix input channel count in resample_first computation
- avutil/pixfmt: Document chroma plane size for odd resolutions
- avcodec/cuviddec: properly take deinterlacing and display delay into account for buffer_full check
- configure: add LIBDRM to extralibs_avutil
- avcodec/bitstream_filters: check the input argument of av_bsf_get_by_name() for NUL
-
-version 3.4.4:
- avcodec/dvdsub_parser: Allocate input padding
- avcodec/dvdsub_parser: Init output buf/size
- avcodec/dirac_dwt_template: Fix signedness regression in interleave()
- avformat/movenc: Write version 2 of audio atom if channels is not known
- swresample/arm: rename labels to fix xcode build error
- avcodec/imgconvert: fix possible null pointer dereference
-
-version 3.4.3:
- avformat/movenc: Check input sample count
- avcodec/mjpegdec: Check for odd progressive RGB
- avformat/movenc: Check that frame_types other than EAC3_FRAME_TYPE_INDEPENDENT have a supported substream id
- avcodec/vp8_parser: Do not leave data/size uninitialized
- avformat/mms: Add missing chunksize check
- avformat/pva: Check for EOF before retrying in read_part_of_packet()
- avformat/rmdec: Do not pass mime type in rm_read_multi() to ff_rm_read_mdpr_codecdata()
- avformat/asfdec_o: Check size_bmp more fully
- avcodec/indeo4: Check for end of bitstream in decode_mb_info()
- avcodec/shorten: Fix undefined addition in shorten_decode_frame()
- avcodec/shorten: Fix undefined integer overflow
- avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration()
- avcodec/jpeg2000dec: Check that there are enough bytes for all tiles
- avformat/movenc: Do not pass AVCodecParameters in avpriv_request_sample
- avcodec/escape124: Fix spelling errors in comment
- avcodec/ra144: Fix integer overflow in ff_eval_refl()
- avcodec/cscd: Check output buffer size for lzo.
- avcodec/escape124: Check buf_size against num_superblocks
- avcodec/h264_parser: Reduce needed history for parsing mb index
- avcodec/magicyuv: Check bits left in flags&1 branch
- avcodec/mjpegdec: Check for end of bitstream in ljpeg_decode_rgb_scan()
- avcodec/aacdec_fixed: Fix undefined integer overflow in apply_independent_coupling_fixed()
- avcodec/dirac_dwt_template: Fix undefined behavior in interleave()
- avutil/common: Fix undefined behavior in av_clip_uintp2_c()
- fftools/ffmpeg: Fallback to duration if sample rate is unavailable
- avformat/mov: Only set pkt->duration to non negative values
- avcodec/h264_slice: Fix overflow in recovery_frame computation
- avcodec/h264_ps: Move MAX_LOG2_MAX_FRAME_NUM to header so it can be used in h264_sei
- avcodec/h264_mc_template: Only prefetch motion if the list is used.
- avcodec/xwddec: Use ff_set_dimensions()
- avcodec/wavpack: Fix overflow in adding tail
- avcodec/shorten: Fix multiple integer overflows
- avcodec/shorten: Fix undefined shift in fix_bitshift()
- avcodec/shorten: Fix a negative left shift in shorten_decode_frame()
- avcodec/shorten: Sanity check nmeans
- avcodec/shorten: Check non COMM chunk len before skip in decode_aiff_header()
- avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan()
- avcodec/truemotion2: Fix overflow in tm2_apply_deltas()
- avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c
- avcodec/amrwbdec: Fix division by 0 in find_hb_gain()
- avformat/mov: replace a value error by clipping into valid range in mov_read_stsc()
- avformat/mov: Break out early if chunk_count is 0 in mov_build_index()
- avcodec/fic: Avoid some magic numbers related to cursors
- avcodec/g2meet: ask for sample with overflowing RGB
- avcodec/aacdec_fixed: use 64bit to avoid overflow in rounding in apply_dependent_coupling_fixed()
- oavcodec/aacpsdsp_template: Use unsigned for hs0X to prevent undefined behavior
- avcodec/g723_1dec: Clip bits2 in both directions
- avcodec/mpeg4videoenc: Use 64 bit for times in mpeg4_encode_gop_header()
- avcodec/mlpdec: Only change noise_type if the related fields are valid
- indeo4: Decode all or nothing of a band header.
- avformat/mov: Only fail for STCO/STSC contradictions if both exist
- avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0 / COMPOSE_DD137iL0
- avcodec/fic: Check available input space for cursor
- avcodec/g2meet: Check RGB upper limit
- avcodec/jpeg2000dec: Fix undefined shift in the jpeg2000_decode_packets_po_iteration() CPRL case
- avcodec/jpeg2000dec: Skip init for component in CPRL if nothing is to be done
- avcodec/g2meet: Change order of operations to avoid undefined behavior
- avcodec/flac_parser: Fix infinite loop
- avcodec/wavpack: Fix integer overflow in DEC_MED() / INC_MED()
- avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()
- avcodec/error_resilience: Fix integer overflow in filter181()
- avcodec/h263dec: Check slice_ret in mspeg4 slice loop
- avcodec/elsdec: Fix memleaks
- avcodec/vc1_block: simplify ac_val computation
- avcodec/ffv1enc: Check that the crc + version combination is supported
- lavf/http.c: Free allocated client URLContext in case of error.
- avcodec/dsicinvideo: Fail if there is only a small fraction of the data available that comprises a full frame
- avcodec/dsicinvideo: Propagate errors from cin_decode_rle()
- avcodec/dfa: Check dimension against maximum
- avcodec/cinepak: Skip empty frames
- avcodec/cinepak: move some checks prior to frame allocation
- swresample/arm: remove unintentional relocation.
- doc/APIchanges: Fix typos in hashes
- avformat/utils: Check cur_dts in update_initial_timestamps() more
- avcodec/utils: Enforce minimum width also for VP5/6
- avcodec/truemotion2: Propagate out of bounds error from GET_TOK()
- avformat/utils: Fix integer overflow in end time calculation in update_stream_timings()
- avcodec/mjpegdec: Check input buffer size.
- avcodec/h264_slice: Fix integer overflow with last_poc
- avformat/mov: Fix extradata memleak
- lavc/libopusdec: Allow avcodec_open2 to call .close
- avcodec/movtextdec: Check style_start/end
- avcodec/aacsbr_fixed: Fix integer overflow in sbr_hf_assemble()
- libavcodec/rv34: error out earlier on missing references
- swresample/swresample: Fix for seg fault in swr_convert_internal() -> sum2_float during dithering.
- avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed()
- avcodec/cscd: Error out when LZ* decompression fails
- avcodec/imgconvert: Fix loss mask bug in avcodec_find_best_pix_fmt_of_list()
- avfilter/vf_signature: use av_strlcpy()
- avcodec/utvideodec: Set pro flag based on fourcc
- avcodec/wmalosslessdec: Fix null pointer dereference in decode_frame()
- avcodec/tableprint_vlc: Fix build failure with --enable-hardcoded-tables
- avformat/mov: Move +1 in check to avoid hypothetical overflow in add_ctts_entry()
- avcodec/get_bits: Make sure the input bitstream with padding can be addressed
- avformat/mov: Check STSC and remove invalid entries
- avcodec/nuv: rtjpeg with dimensions less than 16 would result in no decoded pixels thus reject it
- avcodec/nuv: Check for minimum input size for uncomprssed and rtjpeg
- avcodec/wmalosslessdec: Reset num_saved_bits on error path
- avformat/mov: Fix integer overflows related to sample_duration
- avformat/img2dec: fix infinite loop
- avformat/oggparsedaala: Do not adjust AV_NOPTS_VALUE
- avformat/oggparseogm: Check lb against psize
- avformat/oggparseogm: Fix undefined shift in ogm_packet()
- avformat/avidec: Fix integer overflow in cum_len check
- avformat/oggparsetheora: Do not adjust AV_NOPTS_VALUE
- avformat/utils: Fix integer overflow of fps_first/last_dts
- avformat/oggdec: Fix metadata memleak on multiple headers
- libavformat/oggparsevorbis: Fix memleak on multiple headers
- avformat/mov: Fix integer overflow in mov_get_stsc_samples()
- avcodec/truemotion2rt: Check input buffer size
- avcodec/g2meet: Check tile dimensions with av_image_check_size2()
- avcodec/exr: fix invalid shift in unpack_14()
- avcodec/bintext: sanity check dimensions
- avcodec/utvideodec: Check subsample factors
- avcodec/smc: Check input packet size
- avcodec/cavsdec: Check alpha/beta offset
- avcodec/diracdec: Fix integer overflow in mv computation
- avcodec/h264_parse: Clear invalid chroma weights in ff_h264_pred_weight_table()
- avcodec/aacdec_templat: Fix integer overflow in apply_ltp()
- avcodec/jpeg2000dwt: Fix integer overflows in sr_1d53()
- avcodec/diracdec: Use int64 in global mv to prevent overflow
- avcodec/dxtory: Remove code that corrupts dimensions
- avcodec/dirac_dwt_template: Fix Integer overflow in horizontal_compose_dd137i()
- avcodec/hevcdec: Check luma/chroma_log2_weight_denom
- avcodec/jpeg2000dec: Use av_image_check_size2()
- avcodec/vp8: Check for bitstream end before vp7_fade_frame()
- avcodec/exr: Check remaining bits in last get code loop
- avutil/common: Fix integer overflow in av_clip_uint8_c() and av_clip_uint16_c()
- avdevice/decklink_dec: Fix ;;
- avcodec/h264_cabac: Tighten allowed coeff_abs range
- avcodec/h264_cavlc: Set valid qscale value in ff_h264_decode_mb_cavlc()
- avdevice/iec61883: free the private context at the end
- avdevice/iec61883: return reference counted packets
- configure: add nvcc to CMDLINE_SET
- avcodec/mpeg4_unpack_bframes: make sure the packet is writable when data needs to be changed
- avcodec/mp3_header_decompress: don't free the user provided packet on error
- avcodec/extract_extradata: zero initalize the padding bytes in all allocated buffers
- avformat/hvcc: zero initialize the nal buffers past the last written byte
- swresample/rematrix: fix update of channel matrix if input or output layout is undefined
- avformat/matroskadec: ignore CodecPrivate if the stream is VP9
-
-version 3.4.2:
- avcodec/vp3: Error out on invalid num_coeffs in unpack_vlcs()
- avcodec/mpeg4videodec: Ignore multiple VOL headers
- avcodec/vp3: Check eob_run
- avcodec/pafvideo: Check allocated frame size
- avcodec/scpr: Fix reading a pixel before the first
- avcodec/mpeg2dec: Fix field selection for skipped macroblocks
- avcodec/huffyuvdec: Check input buffer size
- avcodec/utvideodec: Fix bytes left check in decode_frame()
- avcodec/wavpack: Fix integer overflow in FFABS
- avcodec/aacsbr_fixed: Fix overflows in rounding in sbr_hf_assemble()
- avcodec/exr: Fix memleaks in decode_header()
- avcodec/mediacodecdec: use ff_hevc_ps_uninit()
- avcodec/hevc_parser: use ff_hevc_uninit_parameter_sets()
- avcodec/hevcdec: use ff_hevc_uninit_parameter_sets()
- avcodec/hevc_ps: add a function to uninitialize parameter set buffers
- avcodec/dirac_dwt: Fix several integer overflows
- avcodec/indeo5: Do not leave frame_type set to an invalid value
- avcodec/hevc_ps: Check log2_sao_offset_scale_*
- avcodec/mpeg4videodec: Avoid possibly aliasing violating casts
- avcodec/get_bits: Document the return code of get_vlc2()
- avcodec/mpeg4videodec: Check mb_num also against 0
- avfilter/vf_transpose: Fix used plane count.
- avcodec/hevc_cabac: Check prefix so as to avoid invalid shifts in coeff_abs_level_remaining_decode()
- avcodec/mjpegdec: Fix integer overflow in DC dequantization
- avcodec/dxtory: Fix bits left checks
- avcodec/hevc_cabac: Move prefix check in coeff_abs_level_remaining_decode() down
- avcodec/truemotion2: Fix integer overflow in TM2_RECALC_BLOCK()
- avcodec/snowdec: Fix integer overflow before htaps check
- avcodec/ulti: Check number of blocks at init
- avcodec/wavpack: Fix integer overflows in wv_unpack_stereo / mono
- avcodec/jpeg2000: Check sum of sizes of band->prec before allocating
- avcodec/ac3dec_fixed: Fix integer overflow in scale_coefs()
- avformat/lrcdec: Fix memory leak in lrc_read_header()
- avformat/matroskadec: Fix float-cast-overflow undefined behavior in matroska_parse_tracks()
- lavfi/deinterlace_vaapi: fix can't show full option information.
- configure:version 3.4.1: bump year
- avcodec/utils: Avoid hardcoding duplicated types in sizeof()
- avcodec/arm/sbrdsp_neon: Use a free register instead of putting 2 things in one
- avcodec/h264addpx_template: Fixes integer overflows
- avcodec/dirac_dwt: Fix overflows in COMPOSE_HAARiH0/COMPOSE_HAARiL0
- avcodec/diracdec: Fix integer overflow with quant
- avcodec/opus_parser: Check payload_len in parse_opus_ts_header()
- avcodec/jpeg2000dsp: Fix integer overflows in ict_int()
- avcodec/h264_slice: Do not attempt to render into frames already output
- avcodec/dnxhddec: Check dc vlc
- avcodec/exr: Check buf_size more completely
- avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()
- avcodec/hevcdsp_template: Fix Invalid shifts in put_hevc_qpel_bi_w_h() and put_hevc_qpel_bi_w_w()
- avcodec/flacdec: avoid undefined shift
- avcodec/hevcdsp_template.c: Fix undefined shift in FUNC(dequant)
- avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0() and COMPOSE_DD137iL0()
- avcodec/hevc_cabac: Fix integer overflow in ff_hevc_cu_qp_delta_abs()
- tests/audiomatch: Add missing return code at the end of main()
- avcodec/hevc_sei: Fix integer overflows in decode_nal_sei_message()
- avcodec/hevcdsp_template: Fix undefined shift in put_hevc_qpel_bi_w_hv()
- avcodec/h264_parse: Treat escaped and unescaped decoding error equal in decode_extradata_ps_mp4()
- avcodec/vp9: mark frame as finished on decode_tiles() failure
- libavfilter/af_dcshift.c: Fixed repeated spelling error
- avfilter/formats: fix wrong function name in error message
-
-version 3.4.1:
- avcodec/vp9_superframe_split_bsf: Fix integer overflow in frame_size/total_size checks
- avcodec/amrwbdec: Fix division by 0 in voice_factor()
- avformat/utils: Fix warning: ISO C90 forbids mixed declarations and code
- avcodec/decode: reset codec on receiving packet after EOF in compat_decode
- avcodec/diracdsp: Fix integer overflow in PUT_SIGNED_RECT_CLAMPED()
- avcodec/dirac_dwt: Fix integer overflows in COMPOSE_DAUB97*
- avcodec/extract_extradata_bsf: Fix leak discovered via fuzzing
- avcodec/vorbis: Fix another 1 << 31 > int32_t::max() with 1u.
- avcodec/vorbis: 1 << 31 > int32_t::max(), so use 1u << 31 instead.
- avformat/utils: Prevent undefined shift with wrap_bits > 64.
- avcodec/j2kenc: Fix out of array access in encode_cblk()
- avcodec/hevcdsp_template: Fix undefined shift in put_hevc_epel_bi_w_h()
- lavf/mov: fix huge alloc in mov_read_ctts
- avcodec/mlpdsp: Fix signed integer overflow, 2nd try
- avcodec/h264idct_template: Fix integer overflow in ff_h264_idct8_add
- avcodec/kgv1dec: Check that there is enough input for maximum RLE compression
- avformat/aacdec: Fix leak in adts_aac_read_packet()
- avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi*
- avcodec/sbrdsp_fixed: Fix integer overflow
- avcodec/mpeg4videodec: Check also for negative versions in the validity check
- Close ogg stream upon error when using AV_EF_EXPLODE.
- Fix undefined shift on assumed 8-bit input.
- Use ff_thread_once for fixed, float table init.
- Fix leak of frame_duration_buffer in mov_fix_index().
- avformat/mov: Propagate errors in mov_switch_root.
- avcodec/hevcdsp_template: Fix invalid shift in put_hevc_epel_bi_w_v()
- avcodec/mlpdsp: Fix undefined shift ff_mlp_pack_output()
- avcodec/zmbv: Check that the buffer is large enough for mvec
- avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD137iL0()
- avcodec/wmv2dec: Check end of bitstream in parse_mb_skip() and ff_wmv2_decode_mb()
- avcodec/snowdec: Check for remaining bitstream in decode_blocks()
- avcodec/snowdec: Check intra block dc differences.
- avformat/mov: Check size of STSC allocation
- avcodec/vc2enc: Clear coef_buf on allocation
- avcodec/h264dec: Fix potential array overread
- avcodec/x86/mpegvideodsp: Fix signedness bug in need_emu
- avcodec/aacpsdsp_template: Fix integer overflows in ps_decorrelate_c()
- avcodec/aacdec_fixed: Fix undefined shift
- avcodec/mdct_*: Fix integer overflow in addition in RESCALE()
- avcodec/snowdec: Fix integer overflow in header parsing
- avcodec/cngdec: Fix integer clipping
- avcodec/sbrdsp_fixed: Fix integer overflow in shift in sbr_hf_g_filt_c()
- avcodec/aacsbr_fixed: Fix division by zero in sbr_gain_calc()
- avutil/softfloat: Add FLOAT_MIN
- avcodec/h264idct_template: Fix integer overflows in ff_h264_idct8_add()
- avcodec/xan: Check for bitstream end in xan_huffman_decode()
- avcodec/exr: fix undefined shift in pxr24_uncompress()
- avformat: Free the internal codec context at the end
- avcodec/h264idct_template: Fix integer overflows in ff_h264_idct8_add()
- avcodec/xan: Improve overlapping check
- avcodec/aacdec_fixed: Fix integer overflow in apply_dependent_coupling_fixed()
- avcodec/aacdec_fixed: Fix integer overflow in predict()
- avcodec/jpeglsdec: Check for end of bitstream in ls_decode_line()
- avcodec/jpeglsdec: Check ilv for being a supported value
- tests/ffserver.regression.ref: update checksums to what ffserver currently produces
- ffserver: Fix off by 1 error in path
- avcodec/proresdec: align dequantization matrix buffers
- avformat/matroskaenc: add missing allocation failure checks for stream durations
- avformat/matroskaenc: actually enforce the stream limit
- configure: Fix dependencies of aac_at decoder.
- Don't manipulate duration when it's AV_NOPTS_VALUE.
- lavfi/af_pan: fix sign handling in channel coefficient parser
- avformat/hlsenc: write fmp4 init header after first AV frame
- avformat/hlsenc: allocate space for terminating null
- avformat/hlsenc: reindent hlsenc code
- avformat/hlsenc: check hls segment mode for ignore the init filename
- avformat/hlsenc: reindent hlsenc code
- avformat/hlsenc: fix missing first segment bug in fmp4 mode
- avformat/hlsenc: fix base_output_dirname is null when basename_size is 0 bug
- ffplay: use SDL2 audio API
- ffplay: only use hardware accelerated SDL texture formats
- ffplay: create the window and the renderer before starting playback
- ffmpeg: always init output stream before reaping filters
- vc2enc_dwt: pad the temporary buffer by the slice size
- lavu/arm: Check for have_vfp_vm instead of !have_vfpv3 for float_dsp_vfp
-
-version 3.4:
+version <next>:
 - deflicker video filter
 - doubleweave video filter
 - lumakey video filter
--- a/2
+++ b/2
@@ -1 +1 @@
-3.4.7
+3.3.git
--- a/15
+++ b/15
@@ -1,15 +0,0 @@
-
-              ┌───────────────────────────────────────┐
-              │ RELEASE NOTES for FFmpeg 3.4 "Cantor" │
-              └───────────────────────────────────────┘
-
-   The FFmpeg Project proudly presents FFmpeg 3.4 "Cantor", about 6
-   months after the release of FFmpeg 3.3.
-
-   A complete Changelog is available at the root of the project, and the
-   complete Git history on http://source.ffmpeg.org.
-
-   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/19
+++ b/19
@@ -2277,7 +2277,6 @@ CMDLINE_SET="
    malloc_prefix
    nm
    optflags
-    nvcc
    nvccflags
    pkg_config
    pkg_config_flags
@@ -2904,7 +2903,6 @@ mjpeg2jpeg_bsf_select="jpegtables"

 # external libraries
 aac_at_decoder_deps="audiotoolbox"
-aac_at_decoder_select="aac_adtstoasc_bsf"
 ac3_at_decoder_deps="audiotoolbox"
 ac3_at_decoder_select="ac3_parser"
 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
@@ -3091,9 +3089,9 @@ decklink_indev_deps="decklink threads"
 decklink_indev_extralibs="-lstdc++"
 decklink_outdev_deps="decklink threads"
 decklink_outdev_extralibs="-lstdc++"
-libndi_newtek_indev_deps="libndi_newtek"
+libndi_newtek_indev_deps="libndi_newtek libdl"
 libndi_newtek_indev_extralibs="-lndi"
-libndi_newtek_outdev_deps="libndi_newtek"
+libndi_newtek_outdev_deps="libndi_newtek libdl"
 libndi_newtek_outdev_extralibs="-lndi"
 dshow_indev_deps="IBaseFilter"
 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
@@ -5919,7 +5917,7 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
                               die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
 enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
-enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion && LIBDRM="-ldrm"
+enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
 enabled libfdk_aac        && { use_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
                               { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
                                 warn "using libfdk without pkg-config"; } }
@@ -6311,14 +6309,9 @@ fi

 check_disable_warning(){
    warning_flag=-W${1#-Wno-}
-    test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
+    test_cflags $warning_flag && add_cflags $1
 }

-test_cflags -Werror=unused-command-line-argument &&
-    append unknown_warning_flags "-Werror=unused-command-line-argument"
-test_cflags -Werror=unknown-warning-option &&
-    append unknown_warning_flags "-Werror=unknown-warning-option"
-
 check_disable_warning -Wno-parentheses
 check_disable_warning -Wno-switch
 check_disable_warning -Wno-format-zero-length
@@ -7001,7 +6994,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2019
+#define CONFIG_THIS_YEAR 2017
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
@@ -7096,7 +7089,7 @@ source_path=${source_path}
 LIBPREF=${LIBPREF}
 LIBSUF=${LIBSUF}

-extralibs_avutil="$LIBRT $LIBDRM $LIBM"
+extralibs_avutil="$LIBRT $LIBM"
 extralibs_avcodec="$extralibs"
 extralibs_avformat="$extralibs"
 extralibs_avdevice="$extralibs"
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -742,7 +742,7 @@ API changes, most recent first:
  Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
  dictionary types being set as options.

-2014-08-13 - afbd4b7e09 - lavf 56.01.0 - avformat.h
+2014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h
  Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
  the user when events happen in the file/stream.

@@ -759,7 +759,7 @@ API changes, most recent first:
 2014-08-08 - 5c3c671 - lavf 55.53.100 - avio.h
  Add avio_feof() and deprecate url_feof().

-2014-08-07 - bb789016d4 - lsws 2.1.3 - swscale.h
+2014-08-07 - bb78903 - lsws 2.1.3 - swscale.h
  sws_getContext is not going to be removed in the future.

 2014-08-07 - a561662 / ad1ee5f - lavc 55.73.101 / 55.57.3 - avcodec.h
--- 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         = 3.4.7
+PROJECT_NUMBER         =

 # 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/examples/transcoding.c
+++ b/doc/examples/transcoding.c
@@ -173,9 +173,6 @@ static int open_output_file(const char *filename)
                enc_ctx->time_base = (AVRational){1, enc_ctx->sample_rate};
            }

-            if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
-                enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
-
            /* Third parameter can be used to pass settings to encoder */
            ret = avcodec_open2(enc_ctx, encoder, NULL);
            if (ret < 0) {
@@ -187,6 +184,8 @@ static int open_output_file(const char *filename)
                av_log(NULL, AV_LOG_ERROR, "Failed to copy encoder parameters to output stream #%u\n", i);
                return ret;
            }
+            if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
+                enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;

            out_stream->time_base = enc_ctx->time_base;
            stream_ctx[i].enc_ctx = enc_ctx;
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -2154,6 +2154,9 @@ 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:
@@ -2167,13 +2170,6 @@ 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)
@@ -2669,13 +2665,8 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
                    ist->next_dts = AV_NOPTS_VALUE;
            }

-            if (got_output) {
-                if (duration_pts > 0) {
-                    ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
-                } else {
-                    ist->next_pts += duration_dts;
-                }
-            }
+            if (got_output)
+                ist->next_pts += av_rescale_q(duration_pts, ist->st->time_base, AV_TIME_BASE_Q);
            break;
        case AVMEDIA_TYPE_SUBTITLE:
            if (repeating)
@@ -2741,12 +2732,8 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
        ist->dts = ist->next_dts;
        switch (ist->dec_ctx->codec_type) {
        case AVMEDIA_TYPE_AUDIO:
-            if (ist->dec_ctx->sample_rate) {
-                ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
-                                  ist->dec_ctx->sample_rate;
-            } else {
-                ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
-            }
+            ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
+                             ist->dec_ctx->sample_rate;
            break;
        case AVMEDIA_TYPE_VIDEO:
            if (ist->framerate.num) {
@@ -4544,15 +4531,6 @@ static int transcode_step(void)
    }

    if (ost->filter && ost->filter->graph->graph) {
-        if (!ost->initialized) {
-            char error[1024] = {0};
-            ret = init_output_stream(ost, error, sizeof(error));
-            if (ret < 0) {
-                av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
-                       ost->file_index, ost->index, error);
-                exit_program(1);
-            }
-        }
        if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
            return ret;
        if (!ist)
--- a/fftools/ffplay.c
+++ b/fftools/ffplay.c
@@ -361,8 +361,6 @@ static AVPacket flush_pkt;

 static SDL_Window *window;
 static SDL_Renderer *renderer;
-static SDL_RendererInfo renderer_info = {0};
-static SDL_AudioDeviceID audio_dev;

 static const struct TextureFormatEntry {
    enum AVPixelFormat format;
@@ -1193,7 +1191,7 @@ static void stream_component_close(VideoState *is, int stream_index)
    switch (codecpar->codec_type) {
    case AVMEDIA_TYPE_AUDIO:
        decoder_abort(&is->auddec, &is->sampq);
-        SDL_CloseAudioDevice(audio_dev);
+        SDL_CloseAudio();
        decoder_destroy(&is->auddec);
        swr_free(&is->swr_ctx);
        av_freep(&is->audio_buf1);
@@ -1322,15 +1320,38 @@ static int video_open(VideoState *is)
        h = default_height;
    }

-    if (!window_title)
-        window_title = input_filename;
-    SDL_SetWindowTitle(window, window_title);
+    if (!window) {
+        int flags = SDL_WINDOW_SHOWN;
+        if (!window_title)
+            window_title = input_filename;
+        if (is_full_screen)
+            flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
+        if (borderless)
+            flags |= SDL_WINDOW_BORDERLESS;
+        else
+            flags |= SDL_WINDOW_RESIZABLE;
+        window = SDL_CreateWindow(window_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, flags);
+        SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
+        if (window) {
+            SDL_RendererInfo info;
+            renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
+            if (!renderer) {
+                av_log(NULL, AV_LOG_WARNING, "Failed to initialize a hardware accelerated renderer: %s\n", SDL_GetError());
+                renderer = SDL_CreateRenderer(window, -1, 0);
+            }
+            if (renderer) {
+                if (!SDL_GetRendererInfo(renderer, &info))
+                    av_log(NULL, AV_LOG_VERBOSE, "Initialized %s renderer.\n", info.name);
+            }
+        }
+    } else {
+        SDL_SetWindowSize(window, w, h);
+    }

-    SDL_SetWindowSize(window, w, h);
-    SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
-    if (is_full_screen)
-        SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
-    SDL_ShowWindow(window);
+    if (!window || !renderer) {
+        av_log(NULL, AV_LOG_FATAL, "SDL: could not set video mode - exiting\n");
+        do_exit(is);
+    }

    is->width  = w;
    is->height = h;
@@ -1341,7 +1362,7 @@ static int video_open(VideoState *is)
 /* display the current picture, if any */
 static void video_display(VideoState *is)
 {
-    if (!is->width)
+    if (!window)
        video_open(is);

    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
@@ -1829,18 +1850,10 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
    AVCodecParameters *codecpar = is->video_st->codecpar;
    AVRational fr = av_guess_frame_rate(is->ic, is->video_st, NULL);
    AVDictionaryEntry *e = NULL;
-    int nb_pix_fmts = 0;
-    int i, j;
+    int i;

-    for (i = 0; i < renderer_info.num_texture_formats; i++) {
-        for (j = 0; j < FF_ARRAY_ELEMS(sdl_texture_format_map) - 1; j++) {
-            if (renderer_info.texture_formats[i] == sdl_texture_format_map[j].texture_fmt) {
-                pix_fmts[nb_pix_fmts++] = sdl_texture_format_map[j].format;
-                break;
-            }
-        }
-    }
-    pix_fmts[nb_pix_fmts] = AV_PIX_FMT_NONE;
+    for (i = 0; i < FF_ARRAY_ELEMS(pix_fmts); i++)
+        pix_fmts[i] = sdl_texture_format_map[i].format;

    while ((e = av_dict_get(sws_dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
        if (!strcmp(e->key, "sws_flags")) {
@@ -2452,7 +2465,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
        else {
            memset(stream, 0, len1);
            if (!is->muted && is->audio_buf)
-                SDL_MixAudioFormat(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, AUDIO_S16SYS, len1, is->audio_volume);
+                SDL_MixAudio(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1, is->audio_volume);
        }
        len -= len1;
        stream += len1;
@@ -2497,7 +2510,7 @@ static int audio_open(void *opaque, int64_t wanted_channel_layout, int wanted_nb
    wanted_spec.samples = FFMAX(SDL_AUDIO_MIN_BUFFER_SIZE, 2 << av_log2(wanted_spec.freq / SDL_AUDIO_MAX_CALLBACKS_PER_SEC));
    wanted_spec.callback = sdl_audio_callback;
    wanted_spec.userdata = opaque;
-    while (!(audio_dev = SDL_OpenAudioDevice(NULL, 0, &wanted_spec, &spec, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE | SDL_AUDIO_ALLOW_CHANNELS_CHANGE))) {
+    while (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
        av_log(NULL, AV_LOG_WARNING, "SDL_OpenAudio (%d channels, %d Hz): %s\n",
               wanted_spec.channels, wanted_spec.freq, SDL_GetError());
        wanted_spec.channels = next_nb_channels[FFMIN(7, wanted_spec.channels)];
@@ -2667,7 +2680,7 @@ static int stream_component_open(VideoState *is, int stream_index)
        }
        if ((ret = decoder_start(&is->auddec, audio_thread, is)) < 0)
            goto out;
-        SDL_PauseAudioDevice(audio_dev, 0);
+        SDL_PauseAudio(0);
        break;
    case AVMEDIA_TYPE_VIDEO:
        is->video_stream = stream_index;
@@ -3738,31 +3751,6 @@ int main(int argc, char **argv)
    av_init_packet(&flush_pkt);
    flush_pkt.data = (uint8_t *)&flush_pkt;

-    if (!display_disable) {
-        int flags = SDL_WINDOW_HIDDEN;
-        if (borderless)
-            flags |= SDL_WINDOW_BORDERLESS;
-        else
-            flags |= SDL_WINDOW_RESIZABLE;
-        window = SDL_CreateWindow(program_name, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, default_width, default_height, flags);
-        SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
-        if (window) {
-            renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-            if (!renderer) {
-                av_log(NULL, AV_LOG_WARNING, "Failed to initialize a hardware accelerated renderer: %s\n", SDL_GetError());
-                renderer = SDL_CreateRenderer(window, -1, 0);
-            }
-            if (renderer) {
-                if (!SDL_GetRendererInfo(renderer, &renderer_info))
-                    av_log(NULL, AV_LOG_VERBOSE, "Initialized %s renderer.\n", renderer_info.name);
-            }
-        }
-        if (!window || !renderer || !renderer_info.num_texture_formats) {
-            av_log(NULL, AV_LOG_FATAL, "Failed to create window or renderer: %s", SDL_GetError());
-            do_exit(NULL);
-        }
-    }
-
    is = stream_open(input_filename, file_iformat);
    if (!is) {
        av_log(NULL, AV_LOG_FATAL, "Failed to initialize VideoState!\n");
--- a/fftools/ffserver.c
+++ b/fftools/ffserver.c
@@ -476,7 +476,7 @@ static int compute_datarate(DataRateData *drd, int64_t count)
 static void start_children(FFServerStream *feed)
 {
    char *pathname;
-    char *dirname, *prog;
+    char *slash;
    int i;
    size_t cmd_length;

@@ -495,18 +495,22 @@ static void start_children(FFServerStream *feed)
        return;
    }

-   /* use "ffmpeg" in the path of current program. Ignore user provided path */
-    prog = av_strdup(my_program_name);
-    if (prog) {
-        dirname = av_dirname(prog);
-        pathname = *dirname ? av_asprintf("%s/%s", dirname, "ffmpeg")
-                            : av_asprintf("ffmpeg");
-        av_free(prog);
+    slash = strrchr(my_program_name, '/');
+    if (!slash) {
+        pathname = av_mallocz(sizeof("ffmpeg"));
+    } else {
+        pathname = av_mallocz(slash - my_program_name + sizeof("ffmpeg"));
+        if (pathname != NULL) {
+            memcpy(pathname, my_program_name, slash - my_program_name);
+        }
    }
-    if (!prog || !pathname) {
+    if (!pathname) {
        http_log("Could not allocate memory for children cmd line\n");
        return;
    }
+   /* use "ffmpeg" in the path of current program. Ignore user provided path */
+
+    strcat(pathname, "ffmpeg");

    for (; feed; feed = feed->next) {

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

 static void idct(int16_t block[64])
 {
@@ -351,8 +351,6 @@ 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);
@@ -500,7 +498,7 @@ 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 AVERROR_INVALIDDATA;
+        return -1;
    }

    /* DC coef */
@@ -525,10 +523,6 @@ 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);
@@ -738,7 +732,7 @@ 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 AVERROR_INVALIDDATA;
+                return -1;
            // 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
@@ -411,8 +411,6 @@ 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);
@@ -563,7 +561,7 @@ 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 | FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
    .channel_layouts = aac_channel_layout,
    .flush = flush,
    .priv_class      = &aac_decoder_class,
@@ -588,7 +586,7 @@ 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 | FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE,
    .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 s = -scale;
+    int ssign = scale < 0 ? -1 : 1;
+    int s = FFABS(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++;
@@ -216,20 +216,15 @@ 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);
+            coefs[i] = ((int)(out+round) >> s) * ssign;
        }
    }
    else {
        s = s + 32;
-        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);
+        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;
        }
    }
 }
@@ -312,9 +307,9 @@ static av_always_inline void predict(PredictorState *ps, int *coef,

        if (shift < 31) {
            if (shift > 0) {
-                *coef += (unsigned)((pv.mant + (1 << (shift - 1))) >> shift);
+                *coef += (pv.mant + (1 << (shift - 1))) >> shift;
            } else
-                *coef += (unsigned)pv.mant << -shift;
+                *coef += pv.mant << -shift;
        }
    }

@@ -390,7 +385,7 @@ static void apply_dependent_coupling_fixed(AACContext *ac,
                        for (k = offsets[i]; k < offsets[i + 1]; k++) {
                            tmp = (int)(((int64_t)src[group * 128 + k] * c + \
                                       (int64_t)0x1000000000) >> 37);
-                            dest[group * 128 + k] += (tmp + (int64_t)round) >> shift;
+                            dest[group * 128 + k] += (tmp + round) >> shift;
                        }
                    }
                }
@@ -399,7 +394,7 @@ static void apply_dependent_coupling_fixed(AACContext *ac,
                        for (k = offsets[i]; k < offsets[i + 1]; k++) {
                            tmp = (int)(((int64_t)src[group * 128 + k] * c + \
                                        (int64_t)0x1000000000) >> 37);
-                            dest[group * 128 + k] += tmp * (1U << shift);
+                            dest[group * 128 + k] += tmp * (1 << shift);
                        }
                    }
                }
@@ -422,7 +417,7 @@ static void apply_independent_coupling_fixed(AACContext *ac,
    int i, c, shift, round, tmp;
    const int gain = cce->coup.gain[index][0];
    const int *src = cce->ch[0].ret;
-    unsigned int *dest = target->ret;
+    int *dest = target->ret;
    const int len = 1024 << (ac->oc[1].m4ac.sbr == 1);

    c = cce_scale_fixed[gain & 7];
@@ -441,7 +436,7 @@ static void apply_independent_coupling_fixed(AACContext *ac,
    else {
      for (i = 0; i < len; i++) {
          tmp = (int)(((int64_t)src[i] * c + (int64_t)0x1000000000) >> 37);
-          dest[i] += tmp * (1U << shift);
+          dest[i] += tmp * (1 << shift);
      }
    }
 }
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -1156,9 +1156,6 @@ 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;
@@ -1675,24 +1672,25 @@ 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);
@@ -2465,9 +2463,6 @@ 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++) {
@@ -2566,7 +2561,7 @@ static void apply_ltp(AACContext *ac, SingleChannelElement *sce)
        for (sfb = 0; sfb < FFMIN(sce->ics.max_sfb, MAX_LTP_LONG_SFB); sfb++)
            if (ltp->used[sfb])
                for (i = offsets[sfb]; i < offsets[sfb + 1]; i++)
-                    sce->coeffs[i] += (UINTFLOAT)predFreq[i];
+                    sce->coeffs[i] += predFreq[i];
    }
 }

@@ -2632,7 +2627,7 @@ 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] + 4LL) >> 3;
+          buf[i] = (buf[i] + 4) >> 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] += (UINTFLOAT)in[   i][n][0];
-                out[1][n][0] += (UINTFLOAT)in[   i][n][1];
+                out[0][n][0] += in[   i][n][0];
+                out[1][n][0] += in[   i][n][1];
            }
            for (i = 0; i < 8; i++) {
-                out[0][n][1] += (UINTFLOAT)in[12+i][n][0];
-                out[1][n][1] += (UINTFLOAT)in[12+i][n][1];
+                out[0][n][1] += in[12+i][n][0];
+                out[1][n][1] += in[12+i][n][1];
            }
            for (i = 0; i < 4; i++) {
-                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];
+                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];
            }
        }
        dsp->hybrid_synthesis_deint(out, in + 27, 5, len);
    } else {
        for (n = 0; n < len; n++) {
-            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];
+            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];
        }
        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++) {
-            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];
+            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];
            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) +
@@ -130,12 +130,12 @@ static void ps_decorrelate_c(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
            INTFLOAT apd_im = in_im;
            in_re = AAC_MSUB30(link_delay_re, fractional_delay_re,
                    link_delay_im, fractional_delay_im);
-            in_re -= (UINTFLOAT)a_re;
+            in_re -= a_re;
            in_im = AAC_MADD30(link_delay_re, fractional_delay_im,
                    link_delay_im, fractional_delay_re);
-            in_im -= (UINTFLOAT)a_im;
-            ap_delay[m][n+5][0] = apd_re + (UINTFLOAT)AAC_MUL31(ag[m], in_re);
-            ap_delay[m][n+5][1] = apd_im + (UINTFLOAT)AAC_MUL31(ag[m], in_im);
+            in_im -= a_im;
+            ap_delay[m][n+5][0] = apd_re + AAC_MUL31(ag[m], in_re);
+            ap_delay[m][n+5][1] = apd_im + AAC_MUL31(ag[m], in_im);
        }
        out[n][0] = AAC_MUL16(transient_gain[n], in_re);
        out[n][1] = AAC_MUL16(transient_gain[n], in_im);
@@ -150,10 +150,10 @@ static void ps_stereo_interpolate_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
    INTFLOAT h1 = h[0][1];
    INTFLOAT h2 = h[0][2];
    INTFLOAT h3 = h[0][3];
-    UINTFLOAT hs0 = h_step[0][0];
-    UINTFLOAT hs1 = h_step[0][1];
-    UINTFLOAT hs2 = h_step[0][2];
-    UINTFLOAT hs3 = h_step[0][3];
+    INTFLOAT hs0 = h_step[0][0];
+    INTFLOAT hs1 = h_step[0][1];
+    INTFLOAT hs2 = h_step[0][2];
+    INTFLOAT hs3 = h_step[0][3];
    int n;

    for (n = 0; n < len; n++) {
@@ -181,10 +181,10 @@ static void ps_stereo_interpolate_ipdopd_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
    INTFLOAT h01  = h[0][1],      h11  = h[1][1];
    INTFLOAT h02  = h[0][2],      h12  = h[1][2];
    INTFLOAT h03  = h[0][3],      h13  = h[1][3];
-    UINTFLOAT hs00 = h_step[0][0], hs10 = h_step[1][0];
-    UINTFLOAT hs01 = h_step[0][1], hs11 = h_step[1][1];
-    UINTFLOAT hs02 = h_step[0][2], hs12 = h_step[1][2];
-    UINTFLOAT hs03 = h_step[0][3], hs13 = h_step[1][3];
+    INTFLOAT hs00 = h_step[0][0], hs10 = h_step[1][0];
+    INTFLOAT hs01 = h_step[0][1], hs11 = h_step[1][1];
+    INTFLOAT hs02 = h_step[0][2], hs12 = h_step[1][2];
+    INTFLOAT hs03 = h_step[0][3], hs13 = h_step[1][3];
    int n;

    for (n = 0; n < len; n++) {
--- a/libavcodec/aacsbr_fixed.c
+++ b/libavcodec/aacsbr_fixed.c
@@ -433,7 +433,6 @@ static void sbr_gain_calc(AACContext *ac, SpectralBandReplication *sbr,
                                                av_add_sf(FLOAT_1, sbr->e_curr[e][m]),
                                                av_add_sf(FLOAT_1, sbr->q_mapped[e][m]))));
                }
-                sbr->gain[e][m] = av_add_sf(sbr->gain[e][m], FLOAT_MIN);
            }
            for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) {
                sum[0] = av_add_sf(sum[0], sbr->e_origmapped[e][m]);
@@ -567,9 +566,8 @@ static void sbr_hf_assemble(int Y1[38][64][2],
                int idx = indexsine&1;
                int A = (1-((indexsine+(kx & 1))&2));
                int B = (A^(-idx)) + idx;
-                unsigned *out = &Y1[i][kx][idx];
-                int shift;
-                unsigned round;
+                int *out = &Y1[i][kx][idx];
+                int shift, round;

                SoftFloat *in  = sbr->s_m[e];
                for (m = 0; m+1 < m_max; m+=2) {
@@ -582,12 +580,12 @@ static void sbr_hf_assemble(int Y1[38][64][2],
                    }
                    if (shift < 32) {
                        round = 1 << (shift-1);
-                        out[2*m  ] += (int)(in[m  ].mant * A + round) >> shift;
+                        out[2*m  ] += (in[m  ].mant * A + round) >> shift;
                    }

                    if (shift2 < 32) {
                        round = 1 << (shift2-1);
-                        out[2*m+2] += (int)(in[m+1].mant * B + round) >> shift2;
+                        out[2*m+2] += (in[m+1].mant * B + round) >> shift2;
                    }
                }
                if(m_max&1)
@@ -598,7 +596,7 @@ static void sbr_hf_assemble(int Y1[38][64][2],
                        return;
                    } else if (shift < 32) {
                        round = 1 << (shift-1);
-                        out[2*m  ] += (int)(in[m  ].mant * A + round) >> shift;
+                        out[2*m  ] += (in[m  ].mant * A + round) >> shift;
                    }
                }
            }
--- a/libavcodec/aarch64/sbrdsp_neon.S
+++ b/libavcodec/aarch64/sbrdsp_neon.S
@@ -287,7 +287,7 @@ endfunc
        zip1            v4.4S, v4.4S, v4.4S
        fmla            v6.4S, v1.4S, v3.4S
        fmla            v2.4S, v5.4S, v4.4S
-        fcmeq           v7.4S, v3.4S, #0
+        fcmeq           v7.4S, v3.4S, #0.0
        bif             v2.16B, v6.16B, v7.16B
        st1             {v2.4S}, [x0], #16
        subs            x5, x5, #2
--- a/libavcodec/ac3dec_fixed.c
+++ b/libavcodec/ac3dec_fixed.c
@@ -64,8 +64,8 @@ static void scale_coefs (
    int dynrng,
    int len)
 {
-    int i, shift;
-    unsigned mul, round;
+    int i, shift, round;
+    unsigned mul;
    int temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7;

    mul = (dynrng & 0x1f) + 0x20;
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -110,10 +110,6 @@ 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;
@@ -293,7 +289,7 @@ 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 * 16;
+    return c->predictor << 4;
 }

 static inline int16_t adpcm_ct_expand_nibble(ADPCMChannelStatus *c, int8_t nibble)
@@ -1138,11 +1134,8 @@ 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(c->status[i].predictor) > (1<<16))
-                return AVERROR_INVALIDDATA;
-        }

        for (n = nb_samples >> (1 - st); n > 0; n--) {
            int byte   = bytestream2_get_byteu(&gb);
@@ -1290,10 +1283,10 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,

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

                        next_sample += (current_sample  * coeff1) +
@@ -1630,7 +1623,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
                    else
                        sampledat = sign_extend(byte >> 4, 4);

-                    sampledat = ((sampledat * (1 << 12)) >> (header & 0xf)) * (1 << 6) + prev;
+                    sampledat = (((sampledat << 12) >> (header & 0xf)) << 6) + prev;
                    *samples++ = av_clip_int16(sampledat >> 6);
                    c->status[channel].sample2 = c->status[channel].sample1;
                    c->status[channel].sample1 = sampledat;
--- a/libavcodec/aic.c
+++ b/libavcodec/aic.c
@@ -208,9 +208,6 @@ 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, uint32_t *buffer_out,
+static void lpc_prediction(int32_t *error_buffer, int32_t *buffer_out,
                           int nb_samples, int bps, int16_t *lpc_coefs,
                           int lpc_order, int lpc_quant)
 {
    int i;
-    uint32_t *pred = buffer_out;
+    int32_t *pred = buffer_out;

    /* first sample always copies */
    *buffer_out = *error_buffer;
@@ -208,26 +208,26 @@ static void lpc_prediction(int32_t *error_buffer, uint32_t *buffer_out,
    for (; i < nb_samples; i++) {
        int j;
        int val = 0;
-        unsigned error_val = error_buffer[i];
+        int 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 + (1LL << (lpc_quant - 1))) >> lpc_quant;
+        val = (val + (1 << (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 && (int)(error_val * error_sign) > 0; j++) {
+            for (j = 0; j < lpc_order && error_val * error_sign > 0; j++) {
                int sign;
                val  = d - pred[j];
                sign = sign_only(val) * error_sign;
                lpc_coefs[j] -= sign;
-                val *= (unsigned)sign;
+                val *= sign;
                error_val -= (val >> lpc_quant) * (j + 1);
            }
        }
@@ -250,12 +250,10 @@ 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 > 32) {
+    if (bps > 32U) {
        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);
@@ -308,7 +306,7 @@ 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 || !lpc_quant[ch])
+            if (lpc_order[ch] >= alac->max_samples_per_frame)
                return AVERROR_INVALIDDATA;

            /* read the predictor table */
@@ -397,13 +395,13 @@ 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] *= 1 << 12;
+                alac->output_samples_buffer[ch][i] <<= 12;
        }}
        break;
    case 24: {
        for (ch = 0; ch < channels; ch++) {
            for (i = 0; i < alac->nb_samples; i++)
-                alac->output_samples_buffer[ch][i] *= 1 << 8;
+                alac->output_samples_buffer[ch][i] <<= 8;
        }}
        break;
    }
--- a/libavcodec/aliaspixdec.c
+++ b/libavcodec/aliaspixdec.c
@@ -62,9 +62,6 @@ 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
@@ -348,11 +348,6 @@ 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
@@ -492,7 +487,7 @@ 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;
-    unsigned q = get_unary(gb, 0, max);
+    int q   = get_unary(gb, 0, max);
    int r   = k ? get_bits1(gb) : !(q & 1);

    if (k > 1) {
@@ -512,7 +507,7 @@ 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--) {
-        unsigned tmp1 = ((MUL64(par[k], cof[j]) + (1 << 19)) >> 20);
+        int tmp1 = ((MUL64(par[k], cof[j]) + (1 << 19)) >> 20);
        cof[j]  += ((MUL64(par[k], cof[i]) + (1 << 19)) >> 20);
        cof[i]  += tmp1;
    }
@@ -662,7 +657,7 @@ 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) || bd->block_length <= 0) {
+    if (bd->block_length & (sub_blocks - 1)) {
        av_log(avctx, AV_LOG_WARNING,
               "Block length is not evenly divisible by the number of subblocks.\n");
        return AVERROR_INVALIDDATA;
@@ -777,8 +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) * 8;
-            bd->ltp_gain[1]   = decode_rice(gb, 2) * 8;
+            bd->ltp_gain[0]   = decode_rice(gb, 1) << 3;
+            bd->ltp_gain[1]   = decode_rice(gb, 2) << 3;

            r                 = get_unary(gb, 0, 4);
            c                 = get_bits(gb, 2);
@@ -789,8 +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) * 8;
-            bd->ltp_gain[4]   = decode_rice(gb, 1) * 8;
+            bd->ltp_gain[3]   = decode_rice(gb, 2) << 3;
+            bd->ltp_gain[4]   = decode_rice(gb, 1) << 3;

            *bd->ltp_lag      = get_bits(gb, ctx->ltp_lag_length);
            *bd->ltp_lag     += FFMAX(4, opt_order + 1);
@@ -799,20 +794,14 @@ 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
@@ -826,9 +815,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
        unsigned int low;
        unsigned int value;

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

        current_res = bd->raw_samples + start;

@@ -838,9 +825,6 @@ 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);

@@ -882,7 +866,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
                    res >>= 1;

                    if (cur_k) {
-                        res  *= 1U << cur_k;
+                        res  *= 1 << cur_k;
                        res  |= get_bits_long(gb, cur_k);
                    }
                }
@@ -933,7 +917,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
            y = 1 << 6;

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

            raw_samples[ltp_smp] += y >> 7;
        }
@@ -945,7 +929,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
            y = 1 << 19;

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

            *raw_samples++ -= y >> 20;
            parcor_to_lpc(smp, quant_cof, lpc_cof);
@@ -961,7 +945,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)

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

            if (bd->raw_other > raw_samples) {  // D = R - L
                left  = raw_samples;
@@ -995,7 +979,7 @@ static int decode_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
        y = 1 << 19;

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

        *raw_samples -= y >> 20;
    }
@@ -1054,7 +1038,7 @@ static int decode_block(ALSDecContext *ctx, ALSBlockData *bd)

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

    return 0;
 }
@@ -1190,10 +1174,10 @@ 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] - (unsigned)bd[0].raw_samples[s];
+                bd[0].raw_samples[s] = bd[1].raw_samples[s] - 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] + (unsigned)bd[0].raw_samples[s];
+                bd[1].raw_samples[s] = bd[1].raw_samples[s] + bd[0].raw_samples[s];
        }

        offset  += div_blocks[b];
@@ -1400,9 +1384,6 @@ 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--;
@@ -1419,11 +1400,7 @@ static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b) {
        }
    }

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

    // Need one more shift?
    if (mantissa & 0x01000000ul) {
@@ -1435,7 +1412,7 @@ static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b) {
        return_val = 0x80000000U;
    }

-    return_val |= ((unsigned)av_clip(a.exp + b.exp + bit_count - 47, -126, 127) << 23) & 0x7F800000;
+    return_val |= (a.exp + b.exp + bit_count - 47) << 23;
    return_val |= mantissa;
    return av_bits2sf_ieee754(return_val);
 }
@@ -1480,9 +1457,6 @@ 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
@@ -1823,17 +1797,15 @@ 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 < channels; c++)                                       \
-                    *dest++ = raw_samples[c][sample] * (1U << shift);                \
+                for (c = 0; c < avctx->channels; c++)                                \
+                    *dest++ = ctx->raw_samples[c][sample] << shift;                  \
        } else {                                                                     \
            for (sample = 0; sample < ctx->cur_frame_length; sample++)               \
-                for (c = 0; c < channels; c++)                                       \
-                    *dest++ = raw_samples[sconf->chan_pos[c]][sample] * (1U << shift);\
+                for (c = 0; c < avctx->channels; c++)                                \
+                    *dest++ = ctx->raw_samples[sconf->chan_pos[c]][sample] << shift; \
        }                                                                            \
    }

@@ -2017,8 +1989,6 @@ 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));
@@ -2151,6 +2121,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
    return 0;

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

@@ -2176,5 +2147,4 @@ 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/amrwbdec.c
+++ b/libavcodec/amrwbdec.c
@@ -611,7 +611,7 @@ static float voice_factor(float *p_vector, float p_gain,
                                                          AMRWB_SFR_SIZE) *
                    f_gain * f_gain;

-    return (p_ener - f_ener) / (p_ener + f_ener + 0.01);
+    return (p_ener - f_ener) / (p_ener + f_ener);
 }

 /**
@@ -862,20 +862,15 @@ static float find_hb_gain(AMRWBContext *ctx, const float *synth,
 {
    int wsp = (vad > 0);
    float tilt;
-    float tmp;

    if (ctx->fr_cur_mode == MODE_23k85)
        return qua_hb_gain[hb_idx] * (1.0f / (1 << 14));

-    tmp = ctx->celpm_ctx.dot_productf(synth, synth + 1, AMRWB_SFR_SIZE - 1);
-
-    if (tmp > 0) {
-        tilt = tmp / ctx->celpm_ctx.dot_productf(synth, synth, AMRWB_SFR_SIZE);
-    } else
-        tilt = 0;
+    tilt = ctx->celpm_ctx.dot_productf(synth, synth + 1, AMRWB_SFR_SIZE - 1) /
+           ctx->celpm_ctx.dot_productf(synth, synth, AMRWB_SFR_SIZE);

    /* return gain bounded by [0.1, 1.0] */
-    return av_clipf((1.0 - tilt) * (1.25 - 0.25 * wsp), 0.1, 1.0);
+    return av_clipf((1.0 - FFMAX(0.0, tilt)) * (1.25 - 0.25 * wsp), 0.1, 1.0);
 }

 /**
--- a/libavcodec/anm.c
+++ b/libavcodec/anm.c
@@ -119,9 +119,6 @@ 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)) && rice->k < 24)
+    else if (rice->ksum >= (1 << (rice->k + 5)))
        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  = (unsigned)range_decode_bits(ctx, 16) << 16;
+        overflow  = 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;
-    unsigned ksummax, ksummin;
+    int ksummax, ksummin;

    rice->ksum = 0;
    for (i = 0; i < FFMIN(blockstodecode, 5); i++) {
@@ -836,7 +836,7 @@ static av_always_inline int filter_fast_3320(APEPredictor *p,
    else
        p->coeffsA[filter][0]--;

-    p->filterA[filter] += (unsigned)p->lastA[filter];
+    p->filterA[filter] += 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]) * 2U;
-    d0 =  p->buf[delayA] + ((p->buf[delayA - 2] - p->buf[delayA - 1]) * 8U);
-    d3 =  p->buf[delayB] * 2U - p->buf[delayB - 1];
+    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];
    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] + (unsigned)((int)(p->filterA[filter] * 31U) >> 5);
+    p->filterA[filter] = p->filterB[filter] + ((p->filterA[filter] * 31) >> 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] * (unsigned)coeffs[j];
+            dotprod += delay[j] * coeffs[j];
            coeffs[j] += ((delay[j] >> 31) | 1) * sign;
        }
        buffer[i] -= dotprod >> shift;
@@ -916,8 +916,7 @@ static void long_filter_ehigh_3830(int32_t *buffer, int length)
 {
    int i, j;
    int32_t dotprod, sign;
-    int32_t delay[8] = { 0 };
-    uint32_t coeffs[8] = { 0 };
+    int32_t coeffs[8] = { 0 }, delay[8] = { 0 };

    for (i = 0; i < length; i++) {
        dotprod = 0;
@@ -1052,7 +1051,7 @@ 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] + ((int)(p->filterA[filter] * 31U) >> 5);
+    p->filterA[filter] = p->lastA[filter] + ((p->filterA[filter] * 31) >> 5);

    sign = APESIGN(decoded);
    p->coeffsA[filter][0] += ((d0 < 0) * 2 - 1) * sign;
@@ -1122,7 +1121,7 @@ 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] - (unsigned)p->buf[delayA - 1];
+    p->buf[delayA - 1] = p->buf[delayA] - p->buf[delayA - 1];
    p->buf[adaptA - 1] = APESIGN(p->buf[delayA - 1]);

    predictionA = p->buf[delayA    ] * p->coeffsA[filter][0] +
@@ -1131,9 +1130,9 @@ 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] - ((int)(p->filterB[filter] * 31U) >> 5);
+    p->buf[delayB]     = p->filterA[filter ^ 1] - ((p->filterB[filter] * 31) >> 5);
    p->buf[adaptB]     = APESIGN(p->buf[delayB]);
-    p->buf[delayB - 1] = p->buf[delayB] - (unsigned)p->buf[delayB - 1];
+    p->buf[delayB - 1] = p->buf[delayB] - p->buf[delayB - 1];
    p->buf[adaptB - 1] = APESIGN(p->buf[delayB - 1]);
    p->filterB[filter] = p->filterA[filter ^ 1];

@@ -1143,8 +1142,8 @@ 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 + ((int)((unsigned)predictionA + (predictionB >> 1)) >> 10);
-    p->filterA[filter] = p->lastA[filter] + ((int)(p->filterA[filter] * 31U) >> 5);
+    p->lastA[filter] = decoded + ((predictionA + (predictionB >> 1)) >> 10);
+    p->filterA[filter] = p->lastA[filter] + ((p->filterA[filter] * 31) >> 5);

    sign = APESIGN(decoded);
    p->coeffsA[filter][0] += p->buf[adaptA    ] * sign;
@@ -1230,7 +1229,7 @@ static void predictor_decode_mono_3950(APEContext *ctx, int count)
            p->buf = p->historybuffer;
        }

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

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

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

            /* Update the adaption coefficients */
-            absres = res < 0 ? -(unsigned)res : res;
+            absres = FFABS(res);
            if (absres)
                *f->adaptcoeffs = APESIGN(res) *
                                  (8 << ((absres > f->avg * 3) + (absres > f->avg * 4 / 3)));
@@ -1377,7 +1376,7 @@ static void ape_unpack_mono(APEContext *ctx, int count)

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

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

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

        *(decoded0++) = left;
@@ -1452,8 +1451,7 @@ 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");
-                av_freep(&s->data);
-                s->data_size = 0;
+                s->data = NULL;
                return AVERROR_INVALIDDATA;
            }
            if (s->data_end - s->ptr < offset) {
@@ -1501,7 +1499,7 @@ 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, decoded_buffer_size);
+    memset(s->decoded_buffer, 0, s->decoded_size);
    s->decoded[0] = s->decoded_buffer;
    s->decoded[1] = s->decoded_buffer + FFALIGN(blockstodecode, 8);

--- a/libavcodec/arm/sbrdsp_neon.S
+++ b/libavcodec/arm/sbrdsp_neon.S
@@ -336,11 +336,11 @@ function ff_sbr_hf_apply_noise_0_neon, export=1
        vld1.32         {d0},     [r0,:64]
        vld1.32         {d6},     [lr,:64]
        vld1.32         {d2[]},   [r1,:32]!
-        vld1.32         {d18[]},  [r2,:32]!
+        vld1.32         {d3[]},   [r2,:32]!
        vceq.f32        d4,  d2,  #0
        veor            d2,  d2,  d3
        vmov            d1,  d0
-        vmla.f32        d0,  d6,  d18
+        vmla.f32        d0,  d6,  d3
        vadd.f32        s2,  s2,  s4
        vbif            d0,  d1,  d4
        vst1.32         {d0},     [r0,:64]!
--- a/libavcodec/assdec.c
+++ b/libavcodec/assdec.c
@@ -31,8 +31,7 @@ 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);
-    if (avctx->extradata_size)
-        memcpy(avctx->subtitle_header, avctx->extradata, 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 > 1024 || avctx->block_align <= 0)
+    if (avctx->block_align >= UINT_MAX / 2)
        return AVERROR(EINVAL);

    q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
--- a/libavcodec/atrac3plus.c
+++ b/libavcodec/atrac3plus.c
@@ -456,10 +456,6 @@ 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/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1574,7 +1574,7 @@ enum AVPacketSideDataType {
    AV_PKT_DATA_METADATA_UPDATE,

    /**
-     * MPEGTS stream ID as uint8_t, this is required to pass the stream ID
+     * MPEGTS stream ID, this is required to pass the stream ID
     * information from the demuxer to the corresponding muxer.
     */
    AV_PKT_DATA_MPEGTS_STREAM_ID,
@@ -3146,7 +3146,6 @@ typedef struct AVCodecContext {
 #if FF_API_ARCH_ALPHA
 #define FF_IDCT_SIMPLEALPHA   23
 #endif
-#define FF_IDCT_NONE          24 /* Used by XvMC to extract IDCT coefficients with FF_IDCT_PERM_NONE */
 #define FF_IDCT_SIMPLEAUTO    128

    /**
--- a/libavcodec/bethsoftvideo.c
+++ b/libavcodec/bethsoftvideo.c
@@ -109,11 +109,6 @@ 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
@@ -485,17 +485,12 @@ av_cold void ff_bgmc_end(uint8_t **cf_lut, int **cf_lut_status)


 /** Initialize decoding and reads the first value */
-int ff_bgmc_decode_init(GetBitContext *gb, unsigned int *h,
+void 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);


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


--- a/libavcodec/bink.c
+++ b/libavcodec/bink.c
@@ -1299,13 +1299,13 @@ 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;

    ff_blockdsp_init(&c->bdsp, avctx);
--- a/libavcodec/binkaudio.c
+++ b/libavcodec/binkaudio.c
@@ -95,8 +95,6 @@ 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)
--- a/libavcodec/binkdsp.c
+++ b/libavcodec/binkdsp.c
@@ -33,22 +33,20 @@
 #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 = MUL(A1, (src)[s2] - (src)[s6]); \
+    const int a3 = (A1*((src)[s2] - (src)[s6])) >> 11; \
    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 = 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; \
+    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; \
    (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
@@ -35,8 +35,6 @@
 #include "bintext.h"
 #include "internal.h"

-#define FONT_WIDTH 8
-
 typedef struct XbinContext {
    AVFrame *frame;
    int palette[16];
@@ -63,10 +61,6 @@ 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;
@@ -97,9 +91,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
            break;
        }
    }
-    if (avctx->width < FONT_WIDTH || avctx->height < s->font_height)
-        return AVERROR_INVALIDDATA;
-

    s->frame = av_frame_alloc();
    if (!s->frame)
@@ -122,6 +113,8 @@ av_unused static void hscroll(AVCodecContext *avctx)
    }
 }

+#define FONT_WIDTH 8
+
 /**
 * Draw character to screen
 */
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -188,9 +188,8 @@ 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 || oldsym) && (bits != n || oldsym != symbol)) {
+                if (bits != 0 && bits != n) {
                    av_log(NULL, AV_LOG_ERROR, "incorrect codes\n");
                    return AVERROR_INVALIDDATA;
                }
@@ -227,10 +226,6 @@ 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/bitstream_filters.c
+++ b/libavcodec/bitstream_filters.c
@@ -62,9 +62,6 @@ const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
 {
    int i;

-    if (!name)
-        return NULL;
-
    for (i = 0; bitstream_filters[i]; i++) {
        const AVBitStreamFilter *f = bitstream_filters[i];
        if (!strcmp(f->name, name))
--- 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 < avctx->width >> 3; j++) {
+                for (j = 0; j < n; j++) {
                    ptr[j*8+0] =  buf[j] >> 7;
                    ptr[j*8+1] = (buf[j] >> 6) & 1;
                    ptr[j*8+2] = (buf[j] >> 5) & 1;
@@ -301,9 +301,6 @@ 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
@@ -204,10 +204,6 @@ 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;
@@ -265,6 +261,7 @@ 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
@@ -47,8 +47,7 @@ void av_bsf_free(AVBSFContext **pctx)

    av_opt_free(ctx);

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

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


-static inline int decode_residual_chroma(AVSContext *h)
+static inline void decode_residual_chroma(AVSContext *h)
 {
-    if (h->cbp & (1 << 4)) {
-        int ret = decode_residual_block(h, &h->gb, chroma_dec, 0,
+    if (h->cbp & (1 << 4))
+        decode_residual_block(h, &h->gb, chroma_dec, 0,
                              ff_cavs_chroma_qp[h->qp], h->cu, h->c_stride);
-        if (ret < 0)
-            return ret;
-    }
-    if (h->cbp & (1 << 5)) {
-        int ret = decode_residual_block(h, &h->gb, chroma_dec, 0,
+    if (h->cbp & (1 << 5))
+        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)
@@ -656,7 +649,6 @@ 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);

@@ -700,11 +692,8 @@ 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)) {
-            ret = decode_residual_block(h, gb, intra_dec, 1, h->qp, d, h->l_stride);
-            if (ret < 0)
-                return ret;
-        }
+        if (h->cbp & (1<<block))
+            decode_residual_block(h, gb, intra_dec, 1, h->qp, d, h->l_stride);
    }

    /* chroma intra prediction */
@@ -714,9 +703,7 @@ 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);

-    ret = decode_residual_chroma(h);
-    if (ret < 0)
-        return ret;
+    decode_residual_chroma(h);
    ff_cavs_filter(h, I_8X8);
    set_mv_intra(h);
    return 0;
@@ -1080,11 +1067,6 @@ static int decode_pic(AVSContext *h)
    if (!h->loop_filter_disable && get_bits1(&h->gb)) {
        h->alpha_offset        = get_se_golomb(&h->gb);
        h->beta_offset         = get_se_golomb(&h->gb);
-        if (   h->alpha_offset < -64 || h->alpha_offset > 64
-            || h-> beta_offset < -64 || h-> beta_offset > 64) {
-            h->alpha_offset = h->beta_offset  = 0;
-            return AVERROR_INVALIDDATA;
-        }
    } else {
        h->alpha_offset = h->beta_offset  = 0;
    }
@@ -1215,7 +1197,6 @@ 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]) {
@@ -1249,9 +1230,6 @@ 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/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+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];
+    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];
    /*
     * Bitmask of used rows; if a bit is not set, the
     * corresponding row is not used.
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -80,8 +80,11 @@ 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 ff_set_dimensions(avctx, CDG_FULL_WIDTH, CDG_FULL_HEIGHT);
+
+    return 0;
 }

 static void cdg_border_preset(CDGraphicsContext *cc, uint8_t *data)
--- a/libavcodec/cinepak.c
+++ b/libavcodec/cinepak.c
@@ -315,11 +315,14 @@ static int cinepak_decode_strip (CinepakContext *s,
    return AVERROR_INVALIDDATA;
 }

-static int cinepak_predecode_check (CinepakContext *s)
+static int cinepak_decode (CinepakContext *s)
 {
-    int           num_strips;
+    const uint8_t  *eod = (s->data + s->size);
+    int           i, result, strip_size, frame_flags, num_strips;
+    int           y0 = 0;
    int           encoded_buf_size;

+    frame_flags = s->data[0];
    num_strips  = AV_RB16 (&s->data[8]);
    encoded_buf_size = AV_RB24(&s->data[1]);

@@ -350,21 +353,6 @@ static int cinepak_predecode_check (CinepakContext *s)
            s->sega_film_skip_bytes = 0;
    }

-    if (s->size < 10 + s->sega_film_skip_bytes + num_strips * 12)
-        return AVERROR_INVALIDDATA;
-
-    return 0;
-}
-
-static int cinepak_decode (CinepakContext *s)
-{
-    const uint8_t  *eod = (s->data + s->size);
-    int           i, result, strip_size, frame_flags, num_strips;
-    int           y0 = 0;
-
-    frame_flags = s->data[0];
-    num_strips  = AV_RB16 (&s->data[8]);
-
    s->data += 10 + s->sega_film_skip_bytes;

    num_strips = FFMIN(num_strips, MAX_STRIPS);
@@ -444,7 +432,6 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
    const uint8_t *buf = avpkt->data;
    int ret = 0, buf_size = avpkt->size;
    CinepakContext *s = avctx->priv_data;
-    int num_strips;

    s->data = buf;
    s->size = buf_size;
@@ -452,17 +439,6 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
    if (s->size < 10)
        return AVERROR_INVALIDDATA;

-    num_strips = AV_RB16 (&s->data[8]);
-
-    //Empty frame, do not waste time
-    if (!num_strips && (!s->palette_video || !av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL)))
-        return buf_size;
-
-    if ((ret = cinepak_predecode_check(s)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "cinepak_predecode_check failed\n");
-        return ret;
-    }
-
    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
        return ret;

--- a/libavcodec/cngdec.c
+++ b/libavcodec/cngdec.c
@@ -153,7 +153,7 @@ static int cng_decode_frame(AVCodecContext *avctx, void *data,
        return ret;
    buf_out = (int16_t *)frame->data[0];
    for (i = 0; i < avctx->frame_size; i++)
-        buf_out[i] = av_clip_int16(p->filter_out[i + p->order]);
+        buf_out[i] = p->filter_out[i + p->order];
    memcpy(p->filter_out, p->filter_out + avctx->frame_size,
           p->order * sizeof(*p->filter_out));

@@ -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_DR1,
+    .capabilities   = AV_CODEC_CAP_DELAY | 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[31];
+    float               gain_table[23];

    /* 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 < 31; i++)
-        q->gain_table[i] = pow(pow2tab[i + 48],
+    for (i = 0; i < 23; i++)
+        q->gain_table[i] = pow(pow2tab[i + 52],
                               (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[15 + (gain_index_next - gain_index)];
+        fc2 = q->gain_table[11 + (gain_index_next - gain_index)];
        for (i = 0; i < q->gain_size_factor; i++) {
            buffer[i] *= fc1;
            fc1       *= fc2;
@@ -1075,9 +1075,6 @@ 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);

@@ -1220,15 +1217,6 @@ 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);
@@ -1237,6 +1225,10 @@ 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. */
@@ -1260,6 +1252,14 @@ 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 + avctx->height * 3
+    if ( avpkt->size < FRAME_HEADER_SIZE
      || 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/cscd.c
+++ b/libavcodec/cscd.c
@@ -81,19 +81,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    switch ((buf[0] >> 1) & 7) {
        case 0: { // lzo compression
            int outlen = c->decomp_size, inlen = buf_size - 2;
-            if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen) || outlen) {
+            if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen))
                av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
-                return AVERROR_INVALIDDATA;
-            }
            break;
        }
        case 1: { // zlib compression
 #if CONFIG_ZLIB
            unsigned long dlen = c->decomp_size;
-            if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK) {
+            if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK)
                av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
-                return AVERROR_INVALIDDATA;
-            }
            break;
 #else
            av_log(avctx, AV_LOG_ERROR, "compiled without zlib support\n");
--- a/libavcodec/cuvid.c
+++ b/libavcodec/cuvid.c
@@ -373,11 +373,7 @@ static int cuvid_is_buffer_full(AVCodecContext *avctx)
 {
    CuvidContext *ctx = avctx->priv_data;

-    int delay = ctx->cuparseinfo.ulMaxDisplayDelay;
-    if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field)
-        delay *= 2;
-
-    return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + delay >= ctx->nb_surfaces;
+    return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + 2 > ctx->nb_surfaces;
 }

 static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
--- a/libavcodec/dds.c
+++ b/libavcodec/dds.c
@@ -613,7 +613,6 @@ 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);
@@ -632,9 +631,9 @@ static int dds_decode(AVCodecContext *avctx, void *data,

    bytestream2_skip(gbc, 4); // flags

-    height = bytestream2_get_le32(gbc);
-    width  = bytestream2_get_le32(gbc);
-    ret = ff_set_dimensions(avctx, width, height);
+    avctx->height = bytestream2_get_le32(gbc);
+    avctx->width  = bytestream2_get_le32(gbc);
+    ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR, "Invalid image size %dx%d.\n",
               avctx->width, avctx->height);
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -753,11 +753,6 @@ static int compat_decode(AVCodecContext *avctx, AVFrame *frame,

    av_assert0(avci->compat_decode_consumed == 0);

-    if (avci->draining_done && pkt && pkt->size != 0) {
-        av_log(avctx, AV_LOG_WARNING, "Got unexpected packet after EOF\n");
-        avcodec_flush_buffers(avctx);
-    }
-
    *got_frame = 0;
    avci->compat_decode = 1;

--- a/libavcodec/dfa.c
+++ b/libavcodec/dfa.c
@@ -41,7 +41,7 @@ static av_cold int dfa_decode_init(AVCodecContext *avctx)

    avctx->pix_fmt = AV_PIX_FMT_PAL8;

-    if (!avctx->width || !avctx->height || FFMAX(avctx->width, avctx->height) >= (1<<16))
+    if (!avctx->width || !avctx->height)
        return AVERROR_INVALIDDATA;

    av_assert0(av_image_check_size(avctx->width, avctx->height, 0, avctx) >= 0);
@@ -353,8 +353,6 @@ 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_dwt.h
+++ b/libavcodec/dirac_dwt.h
@@ -93,40 +93,40 @@ void ff_spatial_idwt_slice2(DWTContext *d, int y);

 // shared stuff for simd optimizations
 #define COMPOSE_53iL0(b0, b1, b2)\
-    (b1 - (unsigned)((int)(b0 + (unsigned)(b2) + 2) >> 2))
+    (b1 - ((int)(b0 + (unsigned)(b2) + 2) >> 2))

 #define COMPOSE_DIRAC53iH0(b0, b1, b2)\
-    (b1 + (unsigned)((int)(b0 + (unsigned)(b2) + 1) >> 1))
+    (b1 + ((int)(b0 + (unsigned)(b2) + 1) >> 1))

 #define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)\
-    (int)(((unsigned)(b2) + ((int)(9U*b1 + 9U*b3 - b4 - b0 +  8) >> 4)))
+    (b2 + ((int)(-b0 + 9U*b1 + 9U*b3 - b4 + 8) >> 4))

 #define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\
-    (int)(((unsigned)(b2) - ((int)(9U*b1 + 9U*b3 - b4 - b0 + 16) >> 5)))
+    (b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5))

 #define COMPOSE_HAARiL0(b0, b1)\
-    ((int)(b0 - (unsigned)((int)(b1 + 1U) >> 1)))
+    (b0 - ((b1 + 1) >> 1))

 #define COMPOSE_HAARiH0(b0, b1)\
-    ((int)(b0 + (unsigned)(b1)))
+    (b0 + b1)

 #define COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
-    ((unsigned)b4 - ((int)(-8*(b0+(unsigned)b8) + 21*(b1+(unsigned)b7) - 46*(b2+(unsigned)b6) + 161*(b3+(unsigned)b5) + 128) >> 8))
+    (b4 - ((int)(-8*(b0+(unsigned)b8) + 21*(b1+(unsigned)b7) - 46*(b2+(unsigned)b6) + 161*(b3+(unsigned)b5) + 128) >> 8))

 #define COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
-    ((unsigned)b4 + ((int)(-2*(b0+(unsigned)b8) + 10*(b1+(unsigned)b7) - 25*(b2+(unsigned)b6) +  81*(b3+(unsigned)b5) + 128) >> 8))
+    (b4 + ((int)(-2*(b0+(unsigned)b8) + 10*(b1+(unsigned)b7) - 25*(b2+(unsigned)b6) +  81*(b3+(unsigned)b5) + 128) >> 8))

 #define COMPOSE_DAUB97iL1(b0, b1, b2)\
-    ((unsigned)(b1) - ((int)(1817*(b0 + (unsigned)b2) + 2048) >> 12))
+    (b1 - ((int)(1817*(b0 + (unsigned)b2) + 2048) >> 12))

 #define COMPOSE_DAUB97iH1(b0, b1, b2)\
-    ((unsigned)(b1) - ((int)( 113*(b0 + (unsigned)b2) + 64) >> 7))
+    (b1 - ((int)( 113*(b0 + (unsigned)b2) + 64) >> 7))

 #define COMPOSE_DAUB97iL0(b0, b1, b2)\
-    ((unsigned)(b1) + ((int)( 217*(b0 + (unsigned)b2) + 2048) >> 12))
+    (b1 + ((int)( 217*(b0 + (unsigned)b2) + 2048) >> 12))

 #define COMPOSE_DAUB97iH0(b0, b1, b2)\
-    ((unsigned)(b1) + ((int)(6497*(b0 + (unsigned)b2) + 2048) >> 12))
+    (b1 + ((int)(6497*(b0 + (unsigned)b2) + 2048) >> 12))


 #endif /* AVCODEC_DWT_H */
--- a/libavcodec/dirac_dwt_template.c
+++ b/libavcodec/dirac_dwt_template.c
@@ -49,7 +49,7 @@ static void RENAME(vertical_compose53iL0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_
    TYPE *b1 = (TYPE *)_b1;
    TYPE *b2 = (TYPE *)_b2;
    for (i = 0; i < width; i++)
-        b1[i] -= (unsigned)((int)(b0[i] + (unsigned)b2[i] + 2) >> 2);
+        b1[i] -= (int)(b0[i] + (unsigned)b2[i] + 2) >> 2;
 }

 static av_always_inline void RENAME(interleave)(TYPE *dst, TYPE *src0, TYPE *src1, int w2,
@@ -57,8 +57,8 @@ static av_always_inline void RENAME(interleave)(TYPE *dst, TYPE *src0, TYPE *src
 {
    int i;
    for (i = 0; i < w2; i++) {
-        dst[2*i  ] = ((int)(src0[i] + (unsigned)add)) >> shift;
-        dst[2*i+1] = ((int)(src1[i] + (unsigned)add)) >> shift;
+        dst[2*i  ] = (src0[i] + add) >> shift;
+        dst[2*i+1] = (src1[i] + add) >> shift;
    }
 }

@@ -95,8 +95,8 @@ static void RENAME(horizontal_compose_dd97i)(uint8_t *_b, uint8_t *_tmp, int w)
    tmp[w2+1] = tmp[w2] = tmp[w2-1];

    for (x = 0; x < w2; x++) {
-        b[2*x  ] = ((int)(tmp[x] + 1U))>>1;
-        b[2*x+1] = ((int)(COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1U))>>1;
+        b[2*x  ] = (tmp[x] + 1)>>1;
+        b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
    }
 }

@@ -118,8 +118,8 @@ static void RENAME(horizontal_compose_dd137i)(uint8_t *_b, uint8_t *_tmp, int w)
    tmp[w2+1] = tmp[w2] = tmp[w2-1];

    for (x = 0; x < w2; x++) {
-        b[2*x  ] = ((int)(tmp[x] + 1U))>>1;
-        b[2*x+1] = ((int)(COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1U))>>1;
+        b[2*x  ] = (tmp[x] + 1)>>1;
+        b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
    }
 }

@@ -190,15 +190,15 @@ static void RENAME(horizontal_compose_daub97i)(uint8_t *_b, uint8_t *_temp, int

    // second stage combined with interleave and shift
    b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]);
-    b[0] = ~((~b0) >> 1);
+    b[0] = (b0 + 1) >> 1;
    for (x = 1; x < w2; x++) {
        b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x     ], temp[x+w2]);
        b1 = COMPOSE_DAUB97iH0(          b0, temp[x+w2-1], b2        );
-        b[2*x-1] = ~((~b1) >> 1);
-        b[2*x  ] = ~((~b2) >> 1);
+        b[2*x-1] = (b1 + 1) >> 1;
+        b[2*x  ] = (b2 + 1) >> 1;
        b0 = b2;
    }
-    b[w-1] = ~((~COMPOSE_DAUB97iH0(b2, temp[w-1], b2)) >> 1);
+    b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1;
 }

 static void RENAME(vertical_compose_dirac53iH0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2,
--- 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;
-            int64_t pts = AV_RB32(cur_pu + 13);
+            int 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
@@ -140,7 +140,7 @@ typedef struct DiracContext {
    GetBitContext gb;
    AVDiracSeqHeader seq;
    int seen_sequence_header;
-    int64_t frame_number;       /* number of the next frame to display       */
+    int frame_number;           /* number of the next frame to display       */
    Plane plane[3];
    int chroma_x_shift;
    int chroma_y_shift;
@@ -508,16 +508,16 @@ static inline void codeblock(DiracContext *s, SubBand *b,
    }

    if (s->codeblock_mode && !(s->old_delta_quant && blockcnt_one)) {
-        int quant;
+        int quant = b->quant;
        if (is_arith)
-            quant = dirac_get_arith_int(c, CTX_DELTA_Q_F, CTX_DELTA_Q_DATA);
+            quant += dirac_get_arith_int(c, CTX_DELTA_Q_F, CTX_DELTA_Q_DATA);
        else
-            quant = dirac_get_se_golomb(gb);
-        if (quant > INT_MAX - b->quant || b->quant + quant < 0) {
+            quant += dirac_get_se_golomb(gb);
+        if (quant < 0) {
            av_log(s->avctx, AV_LOG_ERROR, "Invalid quant\n");
            return;
        }
-        b->quant += quant;
+        b->quant = quant;
    }

    if (b->quant > (DIRAC_MAX_QUANT_INDEX - 1)) {
@@ -667,10 +667,6 @@ static void 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;
-                }
                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));
@@ -989,10 +985,6 @@ static int decode_lowdelay(DiracContext *s)
            for (slice_x = 0; bufsize > 0 && slice_x < s->num_x; slice_x++) {
                bytes = (slice_num+1) * (int64_t)s->lowdelay.bytes.num / s->lowdelay.bytes.den
                       - slice_num    * (int64_t)s->lowdelay.bytes.num / s->lowdelay.bytes.den;
-                if (bytes >= INT_MAX || bytes*8 > bufsize) {
-                    av_log(s->avctx, AV_LOG_ERROR, "too many bytes\n");
-                    return AVERROR_INVALIDDATA;
-                }
                slices[slice_num].bytes   = bytes;
                slices[slice_num].slice_x = slice_x;
                slices[slice_num].slice_y = slice_y;
@@ -1250,12 +1242,7 @@ static int dirac_unpack_idwt_params(DiracContext *s)
    else {
        s->num_x        = get_interleaved_ue_golomb(gb);
        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_x > s->avctx->width ||
-            s->num_y > s->avctx->height
-        ) {
+        if (s->num_x * s->num_y == 0 || s->num_x * (uint64_t)s->num_y > INT_MAX) {
            av_log(s->avctx,AV_LOG_ERROR,"Invalid numx/y\n");
            s->num_x = s->num_y = 0;
            return AVERROR_INVALIDDATA;
@@ -1410,9 +1397,9 @@ 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;

-    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]);
+    int m       = (1<<ep) - (c[0]*x + c[1]*y);
+    int mx      = m * ((A[0][0] * x + A[0][1]*y) + (1<<ez) * b[0]);
+    int my      = m * ((A[1][0] * x + A[1][1]*y) + (1<<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);
@@ -1449,8 +1436,8 @@ static void decode_block_params(DiracContext *s, DiracArith arith[8], DiracBlock
                global_mv(s, block, x, y, i);
            } else {
                pred_mv(block, stride, x, y, i);
-                block->u.mv[i][0] += (unsigned)dirac_get_arith_int(arith + 4 + 2 * i, CTX_MV_F1, CTX_MV_DATA);
-                block->u.mv[i][1] += (unsigned)dirac_get_arith_int(arith + 5 + 2 * i, CTX_MV_F1, CTX_MV_DATA);
+                block->u.mv[i][0] += dirac_get_arith_int(arith + 4 + 2 * i, CTX_MV_F1, CTX_MV_DATA);
+                block->u.mv[i][1] += dirac_get_arith_int(arith + 5 + 2 * i, CTX_MV_F1, CTX_MV_DATA);
            }
        }
 }
@@ -2315,7 +2302,7 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    }

    if (*got_frame)
-        s->frame_number = picture->display_picture_number + 1LL;
+        s->frame_number = picture->display_picture_number + 1;

    return buf_idx;
 }
--- a/libavcodec/diracdsp.c
+++ b/libavcodec/diracdsp.c
@@ -159,10 +159,10 @@ static void put_signed_rect_clamped_ ## PX ## bit_c(uint8_t *_dst, int dst_strid
    int32_t *src = (int32_t *)_src;                                                                     \
    for (y = 0; y < height; y++) {                                                                      \
        for (x = 0; x < width; x+=4) {                                                                  \
-            dst[x  ] = av_clip_uintp2(src[x  ] + (1U << (PX - 1)), PX);                                  \
-            dst[x+1] = av_clip_uintp2(src[x+1] + (1U << (PX - 1)), PX);                                  \
-            dst[x+2] = av_clip_uintp2(src[x+2] + (1U << (PX - 1)), PX);                                  \
-            dst[x+3] = av_clip_uintp2(src[x+3] + (1U << (PX - 1)), PX);                                  \
+            dst[x  ] = av_clip_uintp2(src[x  ] + (1 << (PX - 1)), PX);                                  \
+            dst[x+1] = av_clip_uintp2(src[x+1] + (1 << (PX - 1)), PX);                                  \
+            dst[x+2] = av_clip_uintp2(src[x+2] + (1 << (PX - 1)), PX);                                  \
+            dst[x+3] = av_clip_uintp2(src[x+3] + (1 << (PX - 1)), PX);                                  \
        }                                                                                               \
        dst += dst_stride >> 1;                                                                         \
        src += src_stride >> 2;                                                                         \
--- a/libavcodec/dnxhd_parser.c
+++ b/libavcodec/dnxhd_parser.c
@@ -79,9 +79,10 @@ static int dnxhd_find_frame_end(DNXHDParserContext *dctx,
                    if (remaining <= 0)
                        continue;
                }
-                remaining += i - 47;
                dctx->remaining = remaining;
-                if (buf_size >= dctx->remaining) {
+                if (buf_size - i + 47 >= dctx->remaining) {
+                    int remaining = dctx->remaining;
+
                    pc->frame_start_found = 0;
                    pc->state64 = -1;
                    dctx->cur_byte = 0;
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -381,10 +381,6 @@ static av_always_inline int dnxhd_decode_dct_block(const DNXHDContext *ctx,

    UPDATE_CACHE(bs, &row->gb);
    GET_VLC(len, bs, &row->gb, ctx->dc_vlc.table, DNXHD_DC_VLC_BITS, 1);
-    if (len < 0) {
-        ret = len;
-        goto error;
-    }
    if (len) {
        level = GET_CACHE(bs, &row->gb);
        LAST_SKIP_BITS(bs, &row->gb, len);
@@ -438,7 +434,7 @@ static av_always_inline int dnxhd_decode_dct_block(const DNXHDContext *ctx,
        GET_VLC(index1, bs, &row->gb, ctx->ac_vlc.table,
                DNXHD_VLC_BITS, 2);
    }
-error:
+
    CLOSE_READER(bs, &row->gb);
    return ret;
 }
--- a/libavcodec/dsicinvideo.c
+++ b/libavcodec/dsicinvideo.c
@@ -158,9 +158,6 @@ static int cin_decode_lzss(const unsigned char *src, int src_size,
        }
    }

-    if (dst_end - dst > dst_size - dst_size/10)
-        return AVERROR_INVALIDDATA;
-
    return 0;
 }

@@ -187,10 +184,6 @@ static int cin_decode_rle(const unsigned char *src, int src_size,
        }
        dst += len;
    }
-
-    if (dst_end - dst > dst_size - dst_size/10)
-        return AVERROR_INVALIDDATA;
-
    return 0;
 }

@@ -233,35 +226,27 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
     * surface.width = surface.pitch */
    switch (bitmap_frame_type) {
    case 9:
-        res =  cin_decode_rle(buf, bitmap_frame_size,
+        cin_decode_rle(buf, bitmap_frame_size,
                       cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
-        if (res < 0)
-            return res;
        break;
    case 34:
-        res =  cin_decode_rle(buf, bitmap_frame_size,
+        cin_decode_rle(buf, bitmap_frame_size,
                       cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
-        if (res < 0)
-            return res;
        cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
                             cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
        break;
    case 35:
        bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
                           cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size);
-        res =  cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
+        cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
                       cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
-        if (res < 0)
-            return res;
        break;
    case 36:
        bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
                                               cin->bitmap_table[CIN_INT_BMP],
                                               cin->bitmap_size);
-        res = cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
+        cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
                       cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
-        if (res < 0)
-            return res;
        cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
                             cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
        break;
--- 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 * 8LL / 44100)
+#define DSD_FS44(sample_rate) (sample_rate * 8 / 44100)

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

@@ -161,10 +161,6 @@ static int read_table(GetBitContext *gb, Table *t, const int8_t code_pred_coeff[
                    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;
            }
        }
@@ -302,15 +298,11 @@ static int decode_frame(AVCodecContext *avctx, void *data,

    /* Filter Coef Sets (10.12) */

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

    /* Probability Tables (10.13) */

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

    /* Arithmetic Coded Data (10.11) */

--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -1242,13 +1242,6 @@ 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++;
@@ -1553,9 +1546,8 @@ 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) {
-        int ret = ff_set_dimensions(avctx, display_def->width, display_def->height);
-        if (ret < 0)
-            return ret;
+        avctx->width  = display_def->width;
+        avctx->height = display_def->height;
    }

    if (info_byte & 1<<3) { // display_window_flag
--- a/libavcodec/dvdsub_parser.c
+++ b/libavcodec/dvdsub_parser.c
@@ -44,9 +44,6 @@ static int dvdsub_parse(AVCodecParserContext *s,
 {
    DVDSubParseContext *pc = s->priv_data;

-    *poutbuf      = buf;
-    *poutbuf_size = buf_size;
-
    if (pc->packet_index == 0) {
        if (buf_size < 2 || AV_RB16(buf) && buf_size < 6) {
            if (buf_size)
@@ -57,11 +54,7 @@ static int dvdsub_parse(AVCodecParserContext *s,
        if (pc->packet_len == 0) /* HD-DVD subpicture packet */
            pc->packet_len = AV_RB32(buf+2);
        av_freep(&pc->packet);
-        if ((unsigned)pc->packet_len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
-            av_log(avctx, AV_LOG_ERROR, "packet length %d is invalid\n", pc->packet_len);
-            return buf_size;
-        }
-        pc->packet = av_malloc(pc->packet_len + AV_INPUT_BUFFER_PADDING_SIZE);
+        pc->packet = av_malloc(pc->packet_len);
    }
    if (pc->packet) {
        if (pc->packet_index + buf_size <= pc->packet_len) {
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -82,7 +82,10 @@ static int decode_run_8bit(GetBitContext *gb, int *color)
 {
    int len;
    int has_run = get_bits1(gb);
-    *color = get_bits(gb, 2 + 6*get_bits1(gb));
+    if (get_bits1(gb))
+        *color = get_bits(gb, 8);
+    else
+        *color = get_bits(gb, 2);
    if (has_run) {
        if (get_bits1(gb)) {
            len = get_bits(gb, 7);
@@ -124,8 +127,6 @@ static int decode_rle(uint8_t *bitmap, int linesize, int w, int h,
            len = decode_run_8bit(&gb, &color);
        else
            len = decode_run_2bit(&gb, &color);
-        if (len != INT_MAX && len > w - x)
-            return AVERROR_INVALIDDATA;
        len = FFMIN(len, w - x);
        memset(d + x, color, len);
        x += len;
--- a/libavcodec/dxtory.c
+++ b/libavcodec/dxtory.c
@@ -305,7 +305,11 @@ static int dxtory_decode_v2(AVCodecContext *avctx, AVFrame *pic,
    }

    if (avctx->height - line) {
-        avpriv_request_sample(avctx, "Not enough slice data available");
+        av_log(avctx, AV_LOG_VERBOSE,
+               "Not enough slice data available, "
+               "cropping the frame by %d pixels\n",
+                avctx->height - line);
+        avctx->height = line;
    }

    return 0;
@@ -322,7 +326,7 @@ static int dx2_decode_slice_5x5(GetBitContext *gb, AVFrame *frame,
    int stride   = frame->linesize[0];
    uint8_t *dst = frame->data[0] + stride * line;

-    for (y = 0; y < left && get_bits_left(gb) > 6 * width; y++) {
+    for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
        for (x = 0; x < width; x++) {
            b = decode_sym_565(gb, lru[0], 5);
            g = decode_sym_565(gb, lru[1], is_565 ? 6 : 5);
@@ -388,7 +392,7 @@ static int dx2_decode_slice_rgb(GetBitContext *gb, AVFrame *frame,
    int stride   = frame->linesize[0];
    uint8_t *dst = frame->data[0] + stride * line;

-    for (y = 0; y < left && get_bits_left(gb) > 6 * width; y++) {
+    for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
        for (x = 0; x < width; x++) {
            dst[x * 3 + 0] = decode_sym(gb, lru[0]);
            dst[x * 3 + 1] = decode_sym(gb, lru[1]);
@@ -433,7 +437,7 @@ static int dx2_decode_slice_410(GetBitContext *gb, AVFrame *frame,
    uint8_t *U  = frame->data[1] + (ustride >> 2) * line;
    uint8_t *V  = frame->data[2] + (vstride >> 2) * line;

-    for (y = 0; y < left - 3 && get_bits_left(gb) > 9 * width; y += 4) {
+    for (y = 0; y < left - 3 && get_bits_left(gb) > 16; y += 4) {
        for (x = 0; x < width; x += 4) {
            for (j = 0; j < 4; j++)
                for (i = 0; i < 4; i++)
@@ -477,7 +481,7 @@ static int dx2_decode_slice_420(GetBitContext *gb, AVFrame *frame,
    uint8_t *V  = frame->data[2] + (vstride >> 1) * line;


-    for (y = 0; y < left - 1 && get_bits_left(gb) > 6 * width; y += 2) {
+    for (y = 0; y < left - 1 && get_bits_left(gb) > 16; y += 2) {
        for (x = 0; x < width; x += 2) {
            Y[x + 0 + 0 * ystride] = decode_sym(gb, lru[0]);
            Y[x + 1 + 0 * ystride] = decode_sym(gb, lru[0]);
@@ -520,7 +524,7 @@ static int dx2_decode_slice_444(GetBitContext *gb, AVFrame *frame,
    uint8_t *U  = frame->data[1] + ustride * line;
    uint8_t *V  = frame->data[2] + vstride * line;

-    for (y = 0; y < left && get_bits_left(gb) > 6 * width; y++) {
+    for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
        for (x = 0; x < width; x++) {
            Y[x] = decode_sym(gb, lru[0]);
            U[x] = decode_sym(gb, lru[1]) ^ 0x80;
--- a/libavcodec/eatgv.c
+++ b/libavcodec/eatgv.c
@@ -300,9 +300,6 @@ 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
@@ -131,9 +131,6 @@ 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/elsdec.c
+++ b/libavcodec/elsdec.c
@@ -271,7 +271,7 @@ void ff_els_decoder_init(ElsDecCtx *ctx, const uint8_t *in, size_t data_size)

 void ff_els_decoder_uninit(ElsUnsignedRung *rung)
 {
-    av_freep(&rung->rem_rung_list);
+    av_free(rung->rem_rung_list);
 }

 static int els_import_byte(ElsDecCtx *ctx)
@@ -391,10 +391,12 @@ unsigned ff_els_decode_unsigned(ElsDecCtx *ctx, ElsUnsignedRung *ur)
                if (ur->rung_list_size <= (ur->avail_index + 2) * sizeof(ElsRungNode)) {
                    // remember rung_node position
                    ptrdiff_t pos     = rung_node - ur->rem_rung_list;
-                    ctx->err = av_reallocp(&ur->rem_rung_list,
+                    ur->rem_rung_list = av_realloc(ur->rem_rung_list,
                                                   ur->rung_list_size +
                                                   RUNG_SPACE);
-                    if (ctx->err < 0) {
+                    if (!ur->rem_rung_list) {
+                        av_free(ur->rem_rung_list);
+                        ctx->err = AVERROR(ENOMEM);
                        return 0;
                    }
                    memset((uint8_t *) ur->rem_rung_list + ur->rung_list_size, 0,
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -108,7 +108,7 @@ static void filter181(int16_t *data, int width, int height, ptrdiff_t stride)
            dc = -prev_dc +
                 data[x     + y * stride] * 8 -
                 data[x + 1 + y * stride];
-            dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
+            dc = (dc * 10923 + 32768) >> 16;
            prev_dc = data[x + y * stride];
            data[x + y * stride] = dc;
        }
@@ -124,7 +124,7 @@ static void filter181(int16_t *data, int width, int height, ptrdiff_t stride)
            dc = -prev_dc +
                 data[x +  y      * stride] * 8 -
                 data[x + (y + 1) * stride];
-            dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
+            dc = (dc * 10923 + 32768) >> 16;
            prev_dc = data[x + y * stride];
            data[x + y * stride] = dc;
        }
@@ -438,7 +438,7 @@ static void guess_mv(ERContext *s)
    }

    if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
-        num_avail <= FFMAX(mb_width, mb_height) / 2) {
+        num_avail <= mb_width / 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/escape124.c
+++ b/libavcodec/escape124.c
@@ -221,11 +221,7 @@ static int escape124_decode_frame(AVCodecContext *avctx,

    // This call also guards the potential depth reads for the
    // codebook unpacking.
-    // Check if the amount we will read minimally is available on input.
-    // The 64 represent the immediately next 2 frame_* elements read, the 23/4320
-    // represent a lower bound of the space needed for skipped superblocks. Non
-    // skipped SBs need more space.
-    if (get_bits_left(&gb) < 64 + s->num_superblocks * 23LL / 4320)
+    if (get_bits_left(&gb) < 64)
        return -1;

    frame_flags = get_bits_long(&gb, 32);
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -558,7 +558,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,
    while (lc > 0) {
        const HufDec pl = hdecod[(c << (HUF_DECBITS - lc)) & HUF_DECMASK];

-        if (pl.len && lc >= pl.len) {
+        if (pl.len) {
            lc -= pl.len;
            get_code(pl.lit, rlc, c, lc, gb, out, oe, outb);
        } else {
@@ -855,7 +855,7 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src,
                in     = ptr[2] + td->xsize;

                for (j = 0; j < td->xsize; ++j) {
-                    uint32_t diff = ((unsigned)*(ptr[0]++) << 24) |
+                    uint32_t diff = (*(ptr[0]++) << 24) |
                                    (*(ptr[1]++) << 16) |
                                    (*(ptr[2]++) << 8);
                    pixel += diff;
@@ -899,7 +899,7 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src,

 static void unpack_14(const uint8_t b[14], uint16_t s[16])
 {
-    unsigned short shift = (b[ 2] >> 2) & 15;
+    unsigned short shift = (b[ 2] >> 2);
    unsigned short bias = (0x20 << shift);
    int i;

@@ -1051,7 +1051,7 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
    line_offset = AV_RL64(s->gb.buffer + jobnr * 8);

    if (s->is_tile) {
-        if (buf_size < 20 || line_offset > buf_size - 20)
+        if (line_offset > buf_size - 20)
            return AVERROR_INVALIDDATA;

        src  = buf + line_offset + 20;
@@ -1062,7 +1062,7 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
        tile_level_y = AV_RL32(src - 8);

        data_size = AV_RL32(src - 4);
-        if (data_size <= 0 || data_size > buf_size - line_offset - 20)
+        if (data_size <= 0 || data_size > buf_size)
            return AVERROR_INVALIDDATA;

        if (tile_level_x || tile_level_y) { /* tile level, is not the full res level */
@@ -1095,7 +1095,7 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
        td->channel_line_size = td->xsize * s->current_channel_offset;/* uncompress size of one line */
        uncompressed_size = td->channel_line_size * (uint64_t)td->ysize;/* uncompress size of the block */
    } else {
-        if (buf_size < 8 || line_offset > buf_size - 8)
+        if (line_offset > buf_size - 8)
            return AVERROR_INVALIDDATA;

        src  = buf + line_offset + 8;
@@ -1105,7 +1105,7 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
            return AVERROR_INVALIDDATA;

        data_size = AV_RL32(src - 4);
-        if (data_size <= 0 || data_size > buf_size - line_offset - 8)
+        if (data_size <= 0 || data_size > buf_size)
            return AVERROR_INVALIDDATA;

        td->ysize          = FFMIN(s->scan_lines_per_block, s->ymax - line + 1); /* s->ydelta - line ?? */
@@ -1306,8 +1306,6 @@ static int decode_header(EXRContext *s, AVFrame *frame)
    AVDictionary *metadata = NULL;
    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;
@@ -1366,10 +1364,8 @@ static int decode_header(EXRContext *s, AVFrame *frame)
        if ((var_size = check_header_variable(s, "channels",
                                              "chlist", 38)) >= 0) {
            GetByteContext ch_gb;
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            bytestream2_init(&ch_gb, s->gb.buffer, var_size);

@@ -1388,7 +1384,6 @@ 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);
                    }
@@ -1429,16 +1424,14 @@ static int decode_header(EXRContext *s, AVFrame *frame)

                if (bytestream2_get_bytes_left(&ch_gb) < 4) {
                    av_log(s->avctx, AV_LOG_ERROR, "Incomplete header.\n");
-                    ret = AVERROR_INVALIDDATA;
-                    goto fail;
+                    return AVERROR_INVALIDDATA;
                }

                current_pixel_type = bytestream2_get_le32(&ch_gb);
                if (current_pixel_type >= EXR_UNKNOWN) {
                    avpriv_report_missing_feature(s->avctx, "Pixel type %d",
                                                  current_pixel_type);
-                    ret = AVERROR_PATCHWELCOME;
-                    goto fail;
+                    return AVERROR_PATCHWELCOME;
                }

                bytestream2_skip(&ch_gb, 4);
@@ -1449,8 +1442,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
                    avpriv_report_missing_feature(s->avctx,
                                                  "Subsampling %dx%d",
                                                  xsub, ysub);
-                    ret = AVERROR_PATCHWELCOME;
-                    goto fail;
+                    return AVERROR_PATCHWELCOME;
                }

                if (channel_index >= 0 && s->channel_offsets[channel_index] == -1) { /* channel has not been previously assigned */
@@ -1458,26 +1450,16 @@ static int decode_header(EXRContext *s, AVFrame *frame)
                        s->pixel_type != current_pixel_type) {
                        av_log(s->avctx, AV_LOG_ERROR,
                               "RGB channels not of the same depth.\n");
-                        ret = AVERROR_INVALIDDATA;
-                        goto fail;
+                        return AVERROR_INVALIDDATA;
                    }
                    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,
                                         ++s->nb_channels * sizeof(EXRChannel));
-                if (!s->channels) {
-                    ret = AVERROR(ENOMEM);
-                    goto fail;
-                }
+                if (!s->channels)
+                    return AVERROR(ENOMEM);
                channel             = &s->channels[s->nb_channels - 1];
                channel->pixel_type = current_pixel_type;
                channel->xsub       = xsub;
@@ -1502,8 +1484,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
                        av_log(s->avctx, AV_LOG_ERROR, "Missing green channel.\n");
                    if (s->channel_offsets[2] < 0)
                        av_log(s->avctx, AV_LOG_ERROR, "Missing blue channel.\n");
-                    ret = AVERROR_INVALIDDATA;
-                    goto fail;
+                    return AVERROR_INVALIDDATA;
                }
            }

@@ -1512,10 +1493,8 @@ static int decode_header(EXRContext *s, AVFrame *frame)
            continue;
        } else if ((var_size = check_header_variable(s, "dataWindow", "box2i",
                                                     31)) >= 0) {
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            s->xmin   = bytestream2_get_le32(&s->gb);
            s->ymin   = bytestream2_get_le32(&s->gb);
@@ -1527,10 +1506,8 @@ static int decode_header(EXRContext *s, AVFrame *frame)
            continue;
        } else if ((var_size = check_header_variable(s, "displayWindow",
                                                     "box2i", 34)) >= 0) {
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            bytestream2_skip(&s->gb, 8);
            s->w = bytestream2_get_le32(&s->gb) + 1;
@@ -1540,36 +1517,29 @@ static int decode_header(EXRContext *s, AVFrame *frame)
        } else if ((var_size = check_header_variable(s, "lineOrder",
                                                     "lineOrder", 25)) >= 0) {
            int line_order;
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            line_order = bytestream2_get_byte(&s->gb);
            av_log(s->avctx, AV_LOG_DEBUG, "line order: %d.\n", line_order);
            if (line_order > 2) {
                av_log(s->avctx, AV_LOG_ERROR, "Unknown line order.\n");
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
+                return AVERROR_INVALIDDATA;
            }

            continue;
        } else if ((var_size = check_header_variable(s, "pixelAspectRatio",
                                                     "float", 31)) >= 0) {
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            sar = bytestream2_get_le32(&s->gb);

            continue;
        } else if ((var_size = check_header_variable(s, "compression",
                                                     "compression", 29)) >= 0) {
-            if (!var_size) {
-                ret = AVERROR_INVALIDDATA;
-                goto fail;
-            }
+            if (!var_size)
+                return AVERROR_INVALIDDATA;

            if (s->compression == EXR_UNKN)
                s->compression = bytestream2_get_byte(&s->gb);
@@ -1596,15 +1566,13 @@ static int decode_header(EXRContext *s, AVFrame *frame)
            if (s->tile_attr.level_mode >= EXR_TILE_LEVEL_UNKNOWN){
                avpriv_report_missing_feature(s->avctx, "Tile level mode %d",
                                              s->tile_attr.level_mode);
-                ret = AVERROR_PATCHWELCOME;
-                goto fail;
+                return AVERROR_PATCHWELCOME;
            }

            if (s->tile_attr.level_round >= EXR_TILE_ROUND_UNKNOWN) {
                avpriv_report_missing_feature(s->avctx, "Tile level round %d",
                                              s->tile_attr.level_round);
-                ret = AVERROR_PATCHWELCOME;
-                goto fail;
+                return AVERROR_PATCHWELCOME;
            }

            continue;
@@ -1621,8 +1589,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
        // Check if there are enough bytes for a header
        if (bytestream2_get_bytes_left(&s->gb) <= 9) {
            av_log(s->avctx, AV_LOG_ERROR, "Incomplete header\n");
-            ret = AVERROR_INVALIDDATA;
-            goto fail;
+            return AVERROR_INVALIDDATA;
        }

        // Process unknown variables
@@ -1637,22 +1604,19 @@ static int decode_header(EXRContext *s, AVFrame *frame)

    if (s->compression == EXR_UNKN) {
        av_log(s->avctx, AV_LOG_ERROR, "Missing compression attribute.\n");
-        ret = AVERROR_INVALIDDATA;
-        goto fail;
+        return AVERROR_INVALIDDATA;
    }

    if (s->is_tile) {
        if (s->tile_attr.xSize < 1 || s->tile_attr.ySize < 1) {
            av_log(s->avctx, AV_LOG_ERROR, "Invalid tile attribute.\n");
-            ret = AVERROR_INVALIDDATA;
-            goto fail;
+            return AVERROR_INVALIDDATA;
        }
    }

    if (bytestream2_get_bytes_left(&s->gb) <= 0) {
        av_log(s->avctx, AV_LOG_ERROR, "Incomplete frame.\n");
-        ret = AVERROR_INVALIDDATA;
-        goto fail;
+        return AVERROR_INVALIDDATA;
    }

    frame->metadata = metadata;
@@ -1660,9 +1624,6 @@ static int decode_header(EXRContext *s, AVFrame *frame)
    // aaand we are done
    bytestream2_skip(&s->gb, 1);
    return 0;
-fail:
-    av_dict_free(&metadata);
-    return ret;
 }

 static int decode_frame(AVCodecContext *avctx, void *data,
--- a/libavcodec/extract_extradata_bsf.c
+++ b/libavcodec/extract_extradata_bsf.c
@@ -78,7 +78,7 @@ static int extract_extradata_h2645(AVBSFContext *ctx, AVPacket *pkt,
    ret = ff_h2645_packet_split(&h2645_pkt, pkt->data, pkt->size,
                                ctx, 0, 0, ctx->par_in->codec_id, 1);
    if (ret < 0)
-        goto fail;
+        return ret;

    for (i = 0; i < h2645_pkt.nb_nals; i++) {
        H2645NAL *nal = &h2645_pkt.nals[i];
@@ -114,7 +114,6 @@ static int extract_extradata_h2645(AVBSFContext *ctx, AVPacket *pkt,
            ret = AVERROR(ENOMEM);
            goto fail;
        }
-        memset(extradata + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);

        *data = extradata;
        *size = extradata_size;
@@ -138,8 +137,6 @@ static int extract_extradata_h2645(AVBSFContext *ctx, AVPacket *pkt,
            pkt->buf  = filtered_buf;
            pkt->data = filtered_buf->data;
            pkt->size = filtered_data - filtered_buf->data;
-
-            memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
        }
    }

@@ -172,7 +169,6 @@ static int extract_extradata_vc1(AVBSFContext *ctx, AVPacket *pkt,
            return AVERROR(ENOMEM);

        memcpy(*data, pkt->data, extradata_size);
-        memset(*data + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
        *size = extradata_size;

        if (s->remove) {
@@ -203,7 +199,6 @@ static int extract_extradata_mpeg12(AVBSFContext *ctx, AVPacket *pkt,
                    return AVERROR(ENOMEM);

                memcpy(*data, pkt->data, *size);
-                memset(*data + *size, 0, AV_INPUT_BUFFER_PADDING_SIZE);

                if (s->remove) {
                    pkt->data += *size;
@@ -233,7 +228,6 @@ static int extract_extradata_mpeg4(AVBSFContext *ctx, AVPacket *pkt,
                    return AVERROR(ENOMEM);

                memcpy(*data, pkt->data, *size);
-                memset(*data + *size, 0, AV_INPUT_BUFFER_PADDING_SIZE);

                if (s->remove) {
                    pkt->data += *size;
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -878,7 +878,7 @@ 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, "slice CRC mismatch %X!", crc);
+                av_log(f->avctx, AV_LOG_ERROR, "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/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -539,10 +539,6 @@ static av_cold int encode_init(AVCodecContext *avctx)
        s->ec = (s->version >= 3);
    }

-    // CRC requires version 3+
-    if (s->ec)
-        s->version = FFMAX(s->version, 3);
-
    if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
        av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n");
        return AVERROR_INVALIDDATA;
--- a/libavcodec/ffwavesynth.c
+++ b/libavcodec/ffwavesynth.c
@@ -113,12 +113,18 @@ static uint32_t lcg_next(uint32_t *s)
    return *s;
 }

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

-    a = LCG_A;
-    c = LCG_C;
+    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;
+    }
    while (dt) {
        if (dt & 1)
            t = a * t + c;
@@ -215,12 +221,12 @@ 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, (uint32_t)ts - (uint32_t)ws->cur_ts);
+    lcg_seek(&ws->dither_state, ts - ws->cur_ts);
    if (ws->pink_need) {
-        uint64_t pink_ts_cur  = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1);
-        uint64_t pink_ts_next = ts & ~(PINK_UNIT - 1);
+        int64_t pink_ts_cur  = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1);
+        int64_t pink_ts_next = ts & ~(PINK_UNIT - 1);
        int pos = ts & (PINK_UNIT - 1);
-        lcg_seek(&ws->pink_state, (uint32_t)(pink_ts_next - pink_ts_cur) * 2);
+        lcg_seek(&ws->pink_state, (pink_ts_next - pink_ts_cur) << 1);
        if (pos) {
            pink_fill(ws);
            ws->pink_pos = pos;
@@ -247,7 +253,7 @@ 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 || (edata_end - edata) / 24 < ws->nb_inter)
+    if (ws->nb_inter < 0)
        return AVERROR(EINVAL);
    ws->inter = av_calloc(ws->nb_inter, sizeof(*ws->inter));
    if (!ws->inter)
@@ -261,16 +267,13 @@ 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 ||
-            (uint64_t)in->ts_end - in->ts_start > INT64_MAX
-        )
+        if (in->ts_start < cur_ts || in->ts_end <= in->ts_start)
            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 || avc->sample_rate <= 0)
+                if (edata_end - edata < 20)
                    return AVERROR(EINVAL);
                f1  = AV_RL32(edata +  0);
                f2  = AV_RL32(edata +  4);
@@ -301,8 +304,8 @@ static int wavesynth_parse_extradata(AVCodecContext *avc)
            default:
                return AVERROR(EINVAL);
        }
-        in->amp0 = (uint64_t)a1 << 32;
-        in->damp = (int64_t)(((uint64_t)a2 << 32) - ((uint64_t)a1 << 32)) / dt;
+        in->amp0 = (int64_t)a1 << 32;
+        in->damp = (((int64_t)a2 << 32) - ((int64_t)a1 << 32)) / dt;
    }
    if (edata != edata_end)
        return AVERROR(EINVAL);
@@ -377,7 +380,7 @@ static void wavesynth_synth_sample(struct wavesynth_context *ws, int64_t ts,
                in->dphi += in->ddphi;
                break;
            case WS_NOISE:
-                val = amp * (unsigned)pink;
+                val = amp * pink;
                break;
            default:
                val = 0;
@@ -385,7 +388,7 @@ 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 += (unsigned)val;
+                *cv += val;
    }
    val = (int32_t)lcg_next(&ws->dither_state) >> 16;
    for (c = all_ch, cv = channels; c; c >>= 1, cv++)
--- a/libavcodec/fic.c
+++ b/libavcodec/fic.c
@@ -82,7 +82,6 @@ static const uint8_t fic_qmat_lq[64] = {
 static const uint8_t fic_header[7] = { 0, 0, 1, 'F', 'I', 'C', 'V' };

 #define FIC_HEADER_SIZE 27
-#define CURSOR_OFFSET 59

 static av_always_inline void fic_idct(int16_t *blk, int step, int shift, int rnd)
 {
@@ -139,9 +138,6 @@ 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;
@@ -341,10 +337,6 @@ static int fic_decode_frame(AVCodecContext *avctx, void *data,
        skip_cursor = 1;
    }

-    if (!skip_cursor && avpkt->size < CURSOR_OFFSET + sizeof(ctx->cursor_buf)) {
-        skip_cursor = 1;
-    }
-
    /* Slice height for all but the last slice. */
    ctx->slice_h = 16 * (ctx->aligned_height >> 4) / nslices;
    if (ctx->slice_h % 16)
@@ -383,8 +375,6 @@ 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)
@@ -426,7 +416,7 @@ static int fic_decode_frame(AVCodecContext *avctx, void *data,

    /* Draw cursor. */
    if (!skip_cursor) {
-        memcpy(ctx->cursor_buf, src + CURSOR_OFFSET, sizeof(ctx->cursor_buf));
+        memcpy(ctx->cursor_buf, src + 59, 32 * 32 * 4);
        fic_draw_cursor(avctx, cur_x, cur_y);
    }

--- a/libavcodec/fits.c
+++ b/libavcodec/fits.c
@@ -138,17 +138,6 @@ 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 (size == 0 || header->naxisn[i] > SIZE_MAX / size) {
+        if (header->naxisn[i] > SIZE_MAX / size) {
            av_log(avctx, AV_LOG_ERROR, "unsupported size of FITS image");
            return AVERROR_INVALIDDATA;
        }
@@ -168,14 +168,6 @@ 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;
 }
@@ -264,13 +256,6 @@ 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: \
@@ -279,7 +264,7 @@ 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)) * scale; \
+                    *dst++ = ((t - header.data_min) * ((1 << (sizeof(type) * 8)) - 1)) / (header.data_max - header.data_min); \
                } else { \
                    *dst++ = fitsctx->blank_val; \
                } \
--- a/libavcodec/flac_parser.c
+++ b/libavcodec/flac_parser.c
@@ -686,17 +686,12 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx,
    }

    for (curr = fpc->headers; curr; curr = curr->next) {
-        if (!fpc->best_header || curr->max_score > fpc->best_header->max_score) {
+        if (curr->max_score > 0 &&
+            (!fpc->best_header || curr->max_score > fpc->best_header->max_score)) {
            fpc->best_header = curr;
        }
    }

-    if (fpc->best_header && fpc->best_header->max_score <= 0) {
-        // Only accept a bad header if there is no other option to continue
-        if (!buf_size || !buf || read_end != buf || fpc->nb_headers_buffered < FLAC_MIN_HEADERS)
-            fpc->best_header = NULL;
-    }
-
    if (fpc->best_header) {
        fpc->best_header_valid = 1;
        if (fpc->best_header->offset > 0) {
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -298,7 +298,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
    if (pred_order > 2)
        c = b - decoded[pred_order-2] + decoded[pred_order-3];
    if (pred_order > 3)
-        d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - decoded[pred_order-4];
+        d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - decoded[pred_order-4];

    switch (pred_order) {
    case 0:
@@ -456,7 +456,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
        return AVERROR_INVALIDDATA;
    }

-    if (wasted && wasted < 32) {
+    if (wasted) {
        int i;
        for (i = 0; i < s->blocksize; i++)
            decoded[i] = (unsigned)decoded[i] << wasted;
--- 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;
-    int line_packets;
+    signed short 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 = sign_extend(bytestream2_get_le16(&g2), 16);
+                line_packets = bytestream2_get_le16(&g2);
                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;
-    int line_packets;
+    signed short 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 = sign_extend(bytestream2_get_le16(&g2), 16);
+                line_packets = bytestream2_get_le16(&g2);
                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;
-    int line_packets;
+    signed short 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 = sign_extend(bytestream2_get_le16(&g2), 16);
+                line_packets = bytestream2_get_le16(&g2);
                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(3 * byte_run);
+                            CHECK_PIXEL_PTR(2 * byte_run);
                            for (j = 0; j < byte_run; j++, pixel_countdown--) {
                                pixel = bytestream2_get_le24(&g2);
                                AV_WL24(&pixels[pixel_ptr], pixel);
@@ -1024,7 +1024,14 @@ 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]) {

-                    bytestream2_get_buffer(&g2, pixels + y_ptr, 3*s->avctx->width);
+                    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--;
+                    }
                    if (s->avctx->width & 1)
                        bytestream2_skip(&g2, 3);
                }
--- a/libavcodec/fmvc.c
+++ b/libavcodec/fmvc.c
@@ -403,9 +403,6 @@ static int decode_frame(AVCodecContext *avctx,
    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
@@ -28,7 +28,6 @@
 #include <inttypes.h>
 #include <zlib.h>

-#include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"

 #include "avcodec.h"
@@ -244,9 +243,6 @@ 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)
@@ -559,8 +555,8 @@ static uint32_t epic_decode_pixel_pred(ePICContext *dc, int x, int y,
        B     = ((pred >> B_shift) & 0xFF) - TOSIGNED(delta);
    }

-    if (R<0 || G<0 || B<0 || R > 255 || G > 255 || B > 255) {
-        avpriv_request_sample(NULL, "RGB %d %d %d is out of range\n", R, G, B);
+    if (R<0 || G<0 || B<0) {
+        av_log(NULL, AV_LOG_ERROR, "RGB %d %d %d is out of range\n", R, G, B);
        return 0;
    }

@@ -857,9 +853,6 @@ 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,
@@ -933,7 +926,6 @@ static int epic_jb_decode_tile(G2MContext *c, int tile_x, int tile_y,
        if (c->ec.els_ctx.err != 0) {
            av_log(avctx, AV_LOG_ERROR,
                   "ePIC: couldn't decode transparency pixel!\n");
-            ff_els_decoder_uninit(&c->ec.unsigned_rung);
            return AVERROR_INVALIDDATA;
        }

@@ -1362,16 +1354,14 @@ static void g2m_paint_cursor(G2MContext *c, uint8_t *dst, int stride)
    } else {
        dst    +=  x * 3;
    }
-
-    if (y < 0)
-        h      +=  y;
-    if (w < 0 || h < 0)
-        return;
    if (y < 0) {
+        h      +=  y;
        cursor += -y * c->cursor_stride;
    } else {
        dst    +=  y * stride;
    }
+    if (w < 0 || h < 0)
+        return;

    for (j = 0; j < h; j++) {
        for (i = 0; i < w; i++) {
@@ -1461,8 +1451,7 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
            c->tile_height = bytestream2_get_be32(&bc);
            if (c->tile_width <= 0 || c->tile_height <= 0 ||
                ((c->tile_width | c->tile_height) & 0xF) ||
-                c->tile_width * (uint64_t)c->tile_height >= INT_MAX / 4 ||
-                av_image_check_size2(c->tile_width, c->tile_height, avctx->max_pixels, avctx->pix_fmt, 0, avctx) < 0
+                c->tile_width * (uint64_t)c->tile_height >= INT_MAX / 4
            ) {
                av_log(avctx, AV_LOG_ERROR,
                       "Invalid tile dimensions %dx%d\n",
--- a/libavcodec/g723_1dec.c
+++ b/libavcodec/g723_1dec.c
@@ -549,7 +549,7 @@ static void gain_scale(G723_1_Context *p, int16_t * buf, int energy)
        denom <<= bits2;

        bits2 = 5 + bits1 - bits2;
-        bits2 = av_clip_uintp2(bits2, 5);
+        bits2 = FFMAX(0, bits2);

        gain = (num >> 1) / (denom >> 16);
        gain = square_root(gain << 16 >> bits2);
@@ -667,9 +667,7 @@ 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 * (1 << shift);
-    } else if(shift < -31) {
-        t = (p->sid_gain < 0) ? -1 : 0;
+            t = p->sid_gain << shift;
    }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
@@ -51,12 +51,6 @@ 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/libavcodec/g729dec.c
+++ b/libavcodec/g729dec.c
@@ -328,14 +328,11 @@ static int16_t g729d_voice_decision(int onset, int prev_voice_decision, const in

 static int32_t scalarproduct_int16_c(const int16_t * v1, const int16_t * v2, int order)
 {
-    int64_t res = 0;
+    int res = 0;

    while (order--)
        res += *v1++ * *v2++;

-    if      (res > INT32_MAX) return INT32_MAX;
-    else if (res < INT32_MIN) return INT32_MIN;
-
    return res;
 }

@@ -416,7 +413,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
        return ret;
    out_frame = (int16_t*) frame->data[0];

-    if (buf_size && buf_size % 10 == 0) {
+    if (buf_size % 10 == 0) {
        packet_type = FORMAT_G729_8K;
        format = &format_g729_8k;
        //Reset voice decision
--- a/libavcodec/g729postfilter.c
+++ b/libavcodec/g729postfilter.c
@@ -156,7 +156,7 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int,
            sig_scaled[i] = residual[i] >> shift;
    else
        for (i = 0; i < subframe_size + RES_PREV_DATA_SIZE; i++)
-            sig_scaled[i] = (unsigned)residual[i] << -shift;
+            sig_scaled[i] = residual[i] << -shift;

    /* Start of best delay searching code */
    gain_num = 0;
@@ -201,8 +201,8 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int,
        }
        if (corr_int_num) {
            /* Compute denominator of pseudo-normalized correlation R'(0). */
-            corr_int_den = adsp->scalarproduct_int16(sig_scaled + RES_PREV_DATA_SIZE - best_delay_int,
-                                                     sig_scaled + RES_PREV_DATA_SIZE - best_delay_int,
+            corr_int_den = adsp->scalarproduct_int16(sig_scaled - best_delay_int + RES_PREV_DATA_SIZE,
+                                                    sig_scaled - best_delay_int + RES_PREV_DATA_SIZE,
                                                    subframe_size);

            /* Compute signals with non-integer delay k (with 1/8 precision),
@@ -346,7 +346,7 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int,
        L_temp1 = gain_long_num * gain_long_num;
        L_temp1 = MULL(L_temp1, gain_den, FRAC_BITS);

-        tmp = ((sh_gain_long_num - sh_gain_num) * 2) - (sh_gain_long_den - sh_gain_den);
+        tmp = ((sh_gain_long_num - sh_gain_num) << 1) - (sh_gain_long_den - sh_gain_den);
        if (tmp > 0)
            L_temp0 >>= tmp;
        else
@@ -367,7 +367,7 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int,
        /* Rescale selected signal to original value. */
        if (shift > 0)
            for (i = 0; i < subframe_size; i++)
-                selected_signal[i] *= 1 << shift;
+                selected_signal[i] <<= shift;
        else
            for (i = 0; i < subframe_size; i++)
                selected_signal[i] >>= -shift;
@@ -464,7 +464,7 @@ static int16_t get_tilt_comp(AudioDSPContext *adsp, int16_t *lp_gn,
            speech[i] = (speech[i] * temp + 0x4000) >> 15;
    }

-    return -(rh1 * (1 << 15)) / rh0;
+    return -(rh1 << 15) / rh0;
 }

 /**
@@ -500,14 +500,14 @@ static int16_t apply_tilt_comp(int16_t* out, int16_t* res_pst, int refl_coeff,
    tmp = res_pst[subframe_size - 1];

    for (i = subframe_size - 1; i >= 1; i--) {
-        tmp2 = (gt * res_pst[i-1]) * 2 + 0x4000;
-        tmp2 = res_pst[i] + (tmp2 >> 15);
+        tmp2 = (res_pst[i] << 15) + ((gt * res_pst[i-1]) << 1);
+        tmp2 = (tmp2 + 0x4000) >> 15;

        tmp2 = (tmp2 * ga * 2 + fact) >> sh_fact;
        out[i] = tmp2;
    }
-    tmp2 = (gt * ht_prev_data) * 2 + 0x4000;
-    tmp2 = res_pst[0] + (tmp2 >> 15);
+    tmp2 = (res_pst[0] << 15) + ((gt * ht_prev_data) << 1);
+    tmp2 = (tmp2 + 0x4000) >> 15;
    tmp2 = (tmp2 * ga * 2 + fact) >> sh_fact;
    out[0] = tmp2;

--- a/libavcodec/gdv.c
+++ b/libavcodec/gdv.c
@@ -85,14 +85,14 @@ static void rescale(GDVContext *gdv, uint8_t *dst, int w, int h, int scale_v, in
            int y = h - j - 1;
            for (i = 0; i < w; i++) {
                int x = w - i - 1;
-                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + (x>>1) + (y>>1) * (w>>1)];
+                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x/2 + (y/2) * (w/2)];
            }
        }
    } else if (gdv->scale_h) {
        for (j = 0; j < h; j++) {
            int y = h - j - 1;
            for (x = 0; x < w; x++) {
-                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x + (y>>1) * w];
+                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x + (y/2) * w];
            }
        }
    } else if (gdv->scale_v) {
@@ -100,26 +100,26 @@ static void rescale(GDVContext *gdv, uint8_t *dst, int w, int h, int scale_v, in
            int y = h - j - 1;
            for (i = 0; i < w; i++) {
                int x = w - i - 1;
-                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + (x>>1) + y * (w>>1)];
+                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x/2 + y * (w/2)];
            }
        }
    }

    if (scale_h && scale_v) {
-        for (y = 0; y < (h>>1); y++) {
-            for (x = 0; x < (w>>1); x++) {
-                dst[PREAMBLE_SIZE + x + y * (w>>1)] = dst[PREAMBLE_SIZE + x*2 + y*2 * w];
+        for (y = 0; y < h/2; y++) {
+            for (x = 0; x < w/2; x++) {
+                dst[PREAMBLE_SIZE + x + y * (w/2)] = dst[PREAMBLE_SIZE + x*2 + y*2 * w];
            }
        }
    } else if (scale_h) {
-        for (y = 0; y < (h>>1); y++) {
+        for (y = 0; y < h/2; y++) {
            for (x = 0; x < w; x++) {
                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x + y*2 * w];
            }
        }
    } else if (scale_v) {
        for (y = 0; y < h; y++) {
-            for (x = 0; x < (w>>1); x++) {
+            for (x = 0; x < w/2; x++) {
                dst[PREAMBLE_SIZE + x + y * w] = dst[PREAMBLE_SIZE + x*2 + y * w];
            }
        }
@@ -244,8 +244,6 @@ static int decompress_5(AVCodecContext *avctx, unsigned skip)

    while (bytestream2_get_bytes_left_p(pb) > 0 && bytestream2_get_bytes_left(gb) > 0) {
        int tag = read_bits2(&bits, gb);
-        if (bytestream2_get_bytes_left(gb) < 1)
-            return AVERROR_INVALIDDATA;
        if (tag == 0) {
            bytestream2_put_byte(pb, bytestream2_get_byte(gb));
        } else if (tag == 1) {
@@ -306,8 +304,7 @@ static int decompress_68(AVCodecContext *avctx, unsigned skip, unsigned use8)
                    if (val != ((1 << lbits) - 1)) {
                        break;
                    }
-                    if (lbits >= 16)
-                        return AVERROR_INVALIDDATA;
+                    assert(lbits < 16);
                }
                for (i = 0; i < len; i++) {
                    bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -32,7 +32,6 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"
 #include "libavutil/avassert.h"
-#include "avcodec.h"
 #include "mathops.h"
 #include "vlc.h"

@@ -429,7 +428,7 @@ static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
    int buffer_size;
    int ret = 0;

-    if (bit_size >= INT_MAX - FFMAX(7, AV_INPUT_BUFFER_PADDING_SIZE*8) || bit_size < 0 || !buffer) {
+    if (bit_size >= INT_MAX - 7 || bit_size < 0 || !buffer) {
        bit_size    = 0;
        buffer      = NULL;
        ret         = AVERROR_INVALIDDATA;
@@ -551,7 +550,6 @@ static inline const uint8_t *align_get_bits(GetBitContext *s)
 * @param max_depth is the number of times bits bits must be read to completely
 *                  read the longest vlc code
 *                  = (max_vlc_length + bits - 1) / bits
- * @returns the code parsed or -1 if no vlc matches
 */
 static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
                                     int bits, int max_depth)
--- a/libavcodec/golomb.h
+++ b/libavcodec/golomb.h
@@ -49,8 +49,6 @@ extern const uint8_t ff_interleaved_dirac_golomb_vlc_code[256];

 /**
 * Read an unsigned Exp-Golomb code in the range 0 to 8190.
- *
- * @returns the read value or a negative error code.
 */
 static inline int get_ue_golomb(GetBitContext *gb)
 {
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -600,7 +600,7 @@ retry:
    if ((ret = ff_mpv_frame_start(s, avctx)) < 0)
        return ret;

-    if (!s->divx_packed && !avctx->hwaccel)
+    if (!s->divx_packed)
        ff_thread_finish_setup(avctx);

 #if FF_API_CAP_VDPAU
@@ -637,7 +637,7 @@ retry:
    slice_ret = decode_slice(s);
    while (s->mb_y < s->mb_height) {
        if (s->msmpeg4_version) {
-            if (s->slice_height == 0 || s->mb_x != 0 || slice_ret < 0 ||
+            if (s->slice_height == 0 || s->mb_x != 0 ||
                (s->mb_y % s->slice_height) != 0 || get_bits_left(&s->gb) < 0)
                break;
        } else {
--- a/libavcodec/h264_cabac.c
+++ b/libavcodec/h264_cabac.c
@@ -1735,7 +1735,7 @@ decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl,
 \
            if( coeff_abs >= 15 ) { \
                int j = 0; \
-                while (get_cabac_bypass(CC) && j < 16+7) { \
+                while (get_cabac_bypass(CC) && j < 30) { \
                    j++; \
                } \
 \
--- a/libavcodec/h264_cavlc.c
+++ b/libavcodec/h264_cavlc.c
@@ -714,14 +714,8 @@ int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl)
    cbp = 0; /* avoid warning. FIXME: find a solution without slowing
                down the code */
    if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
-        if (sl->mb_skip_run == -1) {
-            unsigned mb_skip_run = get_ue_golomb_long(&sl->gb);
-            if (mb_skip_run > h->mb_num) {
-                av_log(h->avctx, AV_LOG_ERROR, "mb_skip_run %d is invalid\n", mb_skip_run);
-                return AVERROR_INVALIDDATA;
-            }
-            sl->mb_skip_run = mb_skip_run;
-        }
+        if (sl->mb_skip_run == -1)
+            sl->mb_skip_run = get_ue_golomb_long(&sl->gb);

        if (sl->mb_skip_run--) {
            if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
@@ -1117,7 +1111,6 @@ decode_intra_mb:
            else                sl->qscale -= max_qp+1;
            if (((unsigned)sl->qscale) > max_qp){
                av_log(h->avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, sl->mb_x, sl->mb_y);
-                sl->qscale = max_qp;
                return -1;
            }
        }
--- a/libavcodec/h264_direct.c
+++ b/libavcodec/h264_direct.c
@@ -156,8 +156,8 @@ void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext *
            av_log(h->avctx, AV_LOG_ERROR, "co located POCs unavailable\n");
            sl->col_parity = 1;
        } else
-            sl->col_parity = (FFABS(col_poc[0] - (int64_t)cur_poc) >=
-                              FFABS(col_poc[1] - (int64_t)cur_poc));
+        sl->col_parity = (FFABS(col_poc[0] - cur_poc) >=
+                          FFABS(col_poc[1] - cur_poc));
        ref1sidx =
        sidx     = sl->col_parity;
    // FL -> FL & differ parity
--- a/libavcodec/h264_mc_template.c
+++ b/libavcodec/h264_mc_template.c
@@ -78,8 +78,7 @@ static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,

    if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME))
        await_references(h, sl);
-    if (USES_LIST(mb_type, 0))
-        prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);
+    prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);

    if (IS_16X16(mb_type)) {
        mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,
--- a/libavcodec/h264_parse.c
+++ b/libavcodec/h264_parse.c
@@ -82,11 +82,8 @@ int ff_h264_pred_weight_table(GetBitContext *gb, const SPS *sps,
                        pwt->chroma_weight[i][list][j][0] = get_se_golomb(gb);
                        pwt->chroma_weight[i][list][j][1] = get_se_golomb(gb);
                        if ((int8_t)pwt->chroma_weight[i][list][j][0] != pwt->chroma_weight[i][list][j][0] ||
-                            (int8_t)pwt->chroma_weight[i][list][j][1] != pwt->chroma_weight[i][list][j][1]) {
-                            pwt->chroma_weight[i][list][j][0] = chroma_def;
-                            pwt->chroma_weight[i][list][j][1] = 0;
+                            (int8_t)pwt->chroma_weight[i][list][j][1] != pwt->chroma_weight[i][list][j][1])
                            goto out_range_weight;
-                        }
                        if (pwt->chroma_weight[i][list][j][0] != chroma_def ||
                            pwt->chroma_weight[i][list][j][1] != 0) {
                            pwt->use_weight_chroma        = 1;
@@ -296,8 +293,7 @@ int ff_h264_init_poc(int pic_field_poc[2], int *pic_poc,
        if (picture_structure == PICT_FRAME)
            field_poc[1] += pc->delta_poc_bottom;
    } else if (sps->poc_type == 1) {
-        int abs_frame_num;
-        int64_t expected_delta_per_poc_cycle, expectedpoc;
+        int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
        int i;

        if (sps->poc_cycle_length != 0)
@@ -429,9 +425,10 @@ static int decode_extradata_ps_mp4(const uint8_t *buf, int buf_size, H264ParamSe
        escaped_buf_size = bytestream2_tell_p(&pbc);
        AV_WB16(escaped_buf, escaped_buf_size - 2);

-        (void)decode_extradata_ps(escaped_buf, escaped_buf_size, ps, 1, logctx);
-        // lorex.mp4 decodes ok even with extradata decoding failing
+        ret = decode_extradata_ps(escaped_buf, escaped_buf_size, ps, 1, logctx);
        av_freep(&escaped_buf);
+        if (ret < 0)
+            return ret;
    }

    return 0;
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .4.7
 .3.git