Fixes: index -1 out of bounds for type 'AV1ReferenceFrameState [8]'
Fixes: 16079/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5758807440883712
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
See: [FFmpeg-devel] [PATCH 05/13] avcodec/cbs_av1_syntax_template: Check ref_frame_idx before use
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8174e5c77d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
delta_frame_id_minus1 is not a single value in the bitstream, and can
store values up to 17 bits wide.
Fixes parsing files with frame ids.
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 064f9505f4)
found_ref is not a single value in the bitstream. Fixes parsing files with
frame size changes.
Based on code from cbs_vp9.
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
