Fixes: out if array read
Fixes: 40109/clusterfuzz-testcase-minimized-ffmpeg_dem_FLAC_fuzzer-4805686811295744
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Mattias Wadman <mattias.wadman@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
bit_rate is not a critical field, and we shouln't hard fail if we
can't caluclate it due to a large timebase - it needlessly breaks
valid files.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Fixes: signed integer overflow: 822841647 + 1647055738 cannot be represented in type 'int'
Fixes: 39935/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-4592657142251520
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
summary for the adjustments:
1, remove the extra "," in the ,}
...{0.2004,0.3001,0.4008,0.5005,0.6002,0.7009,0.8006,0.9013,}
to
...{0.2004,0.3001,0.4008,0.5005,0.6002,0.7009,0.8006,0.9013}
2, add "," between the } and new field
} fraction_bright_pixels
to
}, fraction_bright_pixels
3, remove the extra space between "} }"
...{0.2004,0.3001,0.4008,0.5005,0.6002,0.7009,0.8006,0.9013,} }
to
...{0.2004,0.3001,0.4008,0.5005,0.6002,0.7009,0.8006,0.9013,}}
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
GB/T 17975.1
Information technology-Generic coding of moving pictures and associated audio
information-Part 1:Systems
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
GB/T 17975.1
Information technology-Generic coding of moving pictures and associated audio
information-Part 1:Systems
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Reduces the risk of finding false frames that happens to have valid values and CRC.
Fixes ticket #9185 ffmpeg flac decoder incorrectly finds junk frame
https://trac.ffmpeg.org/ticket/9185
If a decoding error happens before frame side data is allocated, this assert may be
triggered. And since applying film grain is not enforced (we just warn it wasn't
applied and move on), we can just do that in such scenarios.
Fixes: Assertion failure
Fixes: clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5528650032742400
Signed-off-by: James Almer <jamrial@gmail.com>
MISB ST 0604 and ST 2101 require user data unregistered SEI messages
(precision timestamps and sensor identifiers) to be included. That
currently isn't supported for libx264. This patch adds support
for user data unregistered SEI messages in accordance with ISO/IEC
14496-10:2020(E) section D.1.7 (syntax) and D.2.7 (semantics).
This code is based on a similar change for libx265 (commit
1f58503013).
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Passing an uninitialized variable as argument to a function is
undefined behaviour (UB). The compiler can assume that UB does not
happen.
Hence, the compiler can assume that the variables are never
uninitialized when passed as argument, which means that the codepaths
that initializes them must be taken.
In ff_seek_frame_binary, this means that the compiler can assume
that the codepaths that initialize pos_min and pos_max are taken,
which means that the conditions "if (sti->index_entries)" and
"if (index >= 0)" can be optimized out.
Current Clang git versions (upcoming Clang 14) enabled an optimization
that does this, which broke the current version of this function
(which intentionally left the variables uninitialized, but silencing
warnings about being uninitialized). See [1] for discussion on
the matter.
[1] https://reviews.llvm.org/D105169#3069555
Signed-off-by: Martin Storsjö <martin@martin.st>
Don't use the loaded registers directly, avoiding stalls on in
order cores. Use vrhadd.u8 with q registers where easily possible.
Signed-off-by: Martin Storsjö <martin@martin.st>
Fixes: signed integer overflow: 1664525000 + 1013904223 cannot be represented in type 'int'
Fixes: 39865/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-4979694508834816
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
