- 20 Feb, 2017 11 commits
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Michael Niedermayer authored
avcodec/dca_xll: Fix runtime error: signed integer overflow: -1073741824 * 32768 cannot be represented in type 'int' Fixes: 629/clusterfuzz-testcase-6697457381539840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: runtime error: left shift of 32 by 26 places cannot be represented in type 'int' Fixes: 628/clusterfuzz-testcase-6187747641393152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 627/clusterfuzz-testcase-5020897033322496 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Steinar H. Gunderson authored
The quantization table is stored in the natural order, but when we access it, we use an index that's in zigzag order, causing us to read the wrong value. This causes artifacts, especially in areas with horizontal or vertical edges. The artifacts look a lot like the DCT ringing artifacts you'd expect to see from a low-bitrate file, but when comparing to NewTek's own decoder, it's obvious they're not supposed to be there. Fix by simply storing the scaled quantization table in zigzag order. Performance is unchanged. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Timo Rothenpieler authored
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Sasi Inguva authored
lavf/mov.c: Correct keyframe search in edit list to return the very first keyframe/frame with matching timestamp. Fixes ticket#5904 Signed-off-by: Sasi Inguva <isasi@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 625/clusterfuzz-testcase-4574924406521856 Fixes: 626/clusterfuzz-testcase-4738718621499392 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes undefined behavior Fixes: 622/clusterfuzz-testcase-5745722022428672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Pavel Koshevoy authored
ticket #6157 Reported-by: Steven Liu <lq@chinaffmpeg.org> Signed-off-by: Pavel Koshevoy <pkoshevoy@gmail.com>
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- 19 Feb, 2017 21 commits
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Michael Niedermayer authored
Fixes: 618/clusterfuzz-testcase-6594990333493248 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 617/clusterfuzz-testcase-6413875723370496 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
avcodec/h264_ps: Fix runtime error: signed integer overflow: -1094995528 * 2 cannot be represented in type 'int' Fixes: 615/clusterfuzz-testcase-5488002644049920 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
avcodec/h264_cabac: runtime error: signed integer overflow: 2147483647 + 14 cannot be represented in type 'int' Fixes: 614/clusterfuzz-testcase-4931860079575040 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 612/clusterfuzz-testcase-4707817137111040 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 611/clusterfuzz-testcase-5613455820193792 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 610/clusterfuzz-testcase-4831030085156864 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Rostislav Pehlivanov authored
If the PVQ search picked a place to increment/decrement on the y[] vector which had no pulse then it would cause a desync since it would change the sum in the wrong direction. Fix this by not considering places without pulses as viable. This makes the PVQ search slightly worse at K < 5 which isn't all that common. Still, this is a workaround to prevent making broken files until I can think of a better way of fixing it. Also add an assertion, which can be removed or moved to assert1/2 once the PVQ search is stable. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
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Michael Niedermayer authored
Fixes: runtime error: shift exponent 132 is too large for 32-bit type 'int' Fixes: 609/clusterfuzz-testcase-4825202619842560 See 11.2.2 IHDR Image header Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 608/clusterfuzz-testcase-603978286392934 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Marton Balint authored
Fixes Coverity CID 1396259. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Marton Balint <cus@passwd.hu>
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Marton Balint authored
Fixes Coverity CID 1396416. Signed-off-by: Marton Balint <cus@passwd.hu>
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Marton Balint authored
Fixes Coverity CID 1396277. Signed-off-by: Marton Balint <cus@passwd.hu>
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James Almer authored
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
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James Almer authored
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
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Michael Niedermayer authored
Fixes: 607/clusterfuzz-testcase-5108792465293312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes: 686513-media Found-by: Matt Wolenetz <wolenetz@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Suggested-by: Matt Wolenetz <wolenetz@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Fixes memleak Fixes: 500/clusterfuzz-testcase-6315221727576064 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
This dts value can end up in the list in the absence of durations and is in that case semantically identical to AV_NOPTS_VALUE. We can alternatively prevent storing RELATIVE_TS_BASE if there is no duration. Fixes Ticket3640 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer authored
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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- 18 Feb, 2017 8 commits
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James Darnley authored
x86-64 only Yorkfield: - sse2: ~2.17x (434 vs. 200 cycles) Nehalem: - sse2: ~2.94x (409 vs. 139 cycles) Skylake: - sse2: ~3.10x (370 vs. 119 cycles) - avx: ~3.29x (370 vs. 112 cycles)
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James Darnley authored
Originally committed to x264 in 1637239a by Henrik Gramner who has agreed to re-license it as LGPL. Original commit message follows. x86: Avoid some bypass delays and false dependencies A bypass delay of 1-3 clock cycles may occur on some CPUs when transitioning between int and float domains, so try to avoid that if possible.
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James Darnley authored
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James Darnley authored
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Michael Niedermayer authored
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Miroslav Slugeň authored
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
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Miroslav Slugeň authored
If there is progressive input it will disable deinterlacing in cuvid for all future frames even those interlaced. Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
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Michael Niedermayer authored
Fixes Ticket 6018 This fixes a regression, and allows playback of files containing mpeg4video that are otherwise not supported Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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