This applies a specific fixup to some Bluray streams which contain
redundant PPSs modifying irrelevant parameters of the stream which
confuse other transformations which require correct extradata.
A new single global PPS is created, and all of the redundant PPSs
within the stream are removed.
Fixes: runtime error: left shift of negative value -127
Fixes: 2834/clusterfuzz-testcase-minimized-5988039123795968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: signed integer overflow: 2146467840 + 1032192 cannot be represented in type 'int'
Fixes: 2826/clusterfuzz-testcase-minimized-5901511613743104
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The use of this SEI is for backward compatibility in HLG HDR systems:
older devices that cannot interpret the "arib-std-b67" transfer will
get the compatible transfer (usually bt709 or bt2020) from the VUI,
while newer devices that can interpret HDR will read the SEI and use
its value instead.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
The use of this SEI is for backward compatibility in HLG HDR systems:
older devices that cannot interpret the "arib-std-b67" transfer will
get the compatible transfer (usually bt709 or bt2020) from the VUI,
while newer devices that can interpret HDR will read the SEI and use
its value instead.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Fix multiple: runtime error: signed integer overflow: 6497 * 3409630 cannot be represented in type 'int'
Fixes: 2819/clusterfuzz-testcase-minimized-4743700301217792
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Use AVCodecContext.compression_level rather than a private option,
replacing the H.264-specific quality option (which stays only for
compatibility).
This now works with the H.265 encoder in the i965 driver, as well as
the existing cases with the H.264 encoder.
Add comments to describe the sources of the constraint values expressed here,
and add some more related values which will be used in following patches.
Fix the incorrect values for SPS and PPS count (they are not the same as those
used for H.264), and remove HEVC_MAX_CU_SIZE because it is not used anywhere.
Fixes: runtime error: signed integer overflow: 1610612736 * 2 cannot be represented in type 'int'
Fixes: 2817/clusterfuzz-testcase-minimized-5289691240726528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The height convention for decoding frames with only a single field made sense
for compatibility with legacy decoders, but doesn't really match the convention
used by NDI, which is the primary (only?) user. Thus, change it to simply
assuming that if the two fields overlap, the frame is meant to be a single
field and the frame height matches the field height.
Signed-off-by: James Almer <jamrial@gmail.com>
Fixes: runtime error: left shift of negative value -967831544
Fixes: 2815/clusterfuzz-testcase-minimized-6062914471460864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: signed integer overflow: 26215360 + 2121330944 cannot be represented in type 'int'
Fixes: 2809/clusterfuzz-testcase-minimized-4785181833560064
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
This commit switches off forced correct nesting of tags and only keeps
it for font tags. See long explanations in the code for the rationale.
This results in various FATE changes which I'll explain here:
- various swapping in font attributes, this is mostly noise due to the
old reverse stack way of printing them. The new one is more correct as
the last attribute takes over the previous ones.
- unrecognized tags disappears
- invalid tags that were previously displayed aren't anymore (instead,
we have a warning). This is better for the end user
The main benefit of this commit is to be more tolerant to error, leading
to a better handling of badly nested tags or random wrong formatting for
the end user.
Fixes: runtime error: signed integer overflow: 11 * 225726413 cannot be represented in type 'int'
Fixes: 2764/clusterfuzz-testcase-minimized-5382561922547712
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: shift exponent 65 is too large for 64-bit type 'residual' (aka 'unsigned long')
Fixes: 2737/clusterfuzz-testcase-minimized-4968639147016192
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2.5ms frames:
Before (c): 2638 decicycles in postrotate, 2097040 runs, 112 skips
After (sse3): 1467 decicycles in postrotate, 2097083 runs, 69 skips
After (avx2): 1244 decicycles in postrotate, 2097085 runs, 67 skips
5ms frames:
Before (c): 4987 decicycles in postrotate, 1048371 runs, 205 skips
After (sse3): 2644 decicycles in postrotate, 1048509 runs, 67 skips
After (avx2): 2031 decicycles in postrotate, 1048523 runs, 53 skips
10ms frames:
Before (c): 9153 decicycles in postrotate, 523575 runs, 713 skips
After (sse3): 5110 decicycles in postrotate, 523726 runs, 562 skips
After (avx2): 3738 decicycles in postrotate, 524223 runs, 65 skips
20ms frames:
Before (c): 17857 decicycles in postrotate, 261866 runs, 278 skips
After (sse3): 10041 decicycles in postrotate, 261746 runs, 398 skips
After (avx2): 7050 decicycles in postrotate, 262116 runs, 28 skips
Improves total decoding performance for real world content by 9% with avx2.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
ac3dsp.c uses tables from ac3.c
ac3.c uses tables from ac3tab.c
hevc_ps uses tables from hevc_data.c
intrax8.c uses tables from msmpeg4data.c
Signed-off-by: Matt Oliver <protogonoi@gmail.com>
Fixes: runtime error: signed integer overflow: 9 * 335544320 cannot be represented in type 'int'
Fixes: 2739/clusterfuzz-testcase-minimized-6737297955356672
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: signed integer overflow: -1073746548 * 21845 cannot be represented in type 'int'
Fixes: 2729/clusterfuzz-testcase-minimized-5902915464069120
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: signed integer overflow: -536870912 - 1972191120 cannot be represented in type 'int'
Fixes: 2711/clusterfuzz-testcase-minimized-4975142398590976
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
