| Commit message (Collapse) | Author | Age |
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This was added in e3e3c82555e2382125195c1ba9f34b5a43299abc, probably
as a workaround for the fact that the quant table was not permutated
and the IDCT coefficients are, meaning that you'd only get correct
reconstruction if the IDCT permutation was an identity matrix, which
happens to be the case when you use the simple IDCT. The quant table
permutation bug was fixed in 42dd1434bf6a7230e4175c08fcfabc3ba51a0463,
meaning this workaround is no longer necessary.
In practical terms, before 42dd1434bf6a7230e4175c08fcfabc3ba51a0463,
the PSNR between decodes of the fate-mdec using simple (C) or simplemmx
IDCTs was 35. After 42dd1434bf6a7230e4175c08fcfabc3ba51a0463, it's 90.
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Properly use the b.eq form instead of the nonstandard form (which
both gas and newer clang accept though), and expand the register
lists that used a range (which the Xcode 6.2 clang, based on clang
3.5 svn, didn't support).
Signed-off-by: Martin Storsjö <martin@martin.st>
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Properly use the b.eq/b.ge forms instead of the nonstandard forms
(which both gas and newer clang accept though), and expand the
register list that used a range (which the Xcode 6.2 clang, based
on clang 3.5 svn, didn't support).
This is cherrypicked from libav commit
a970f9de865c84ed5360dd0398baee7d48d04620.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Reviewed-by: James Darnley <jdarnley@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: left shift of negative value -1
Fixes: 2299/clusterfuzz-testcase-minimized-4843509351710720
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 262144 * -16120 cannot be represented in type 'int'
Fixes: 2292/clusterfuzz-testcase-minimized-6156080415506432
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: -1575818955 + -915383657 cannot be represented in type 'int'
Fixes: 2224/clusterfuzz-testcase-minimized-6208559949807616
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Use avci->last_pkt_props to get the side data. Using |pkt| doesn't work
when FF_API_MERGE_SD is set, as the compressed side data is expanded into
|tmp|, leaving the original |pkt| unchanged.
Signed-off-by: James Almer <jamrial@gmail.com>
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coefficients
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Use named arguments for the functions so we can remove a define. The
stride/linesize argument is now ptrdiff_t type so we no longer need to
sign extend the register.
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Use the correct ctxIdxInc calculation for coded_block_flag.
Keep old behavior for old versions of x264 for backward compatibility.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Fixes: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 2291/clusterfuzz-testcase-minimized-5538453481586688
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: shift exponent -8 is negative
Fixes: 2286/clusterfuzz-testcase-minimized-5711764169687040
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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The new name more accuratly describes what the function does
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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About 2x faster than the c version.
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About 2x faster than the c version.
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Suggested-by: wm4
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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and faster code
This reduces the worst case from O(n²) to O(n) time
Fixes Timeout
Fixes: 2127/clusterfuzz-testcase-minimized-6595787859427328
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 2147483543 + 128 cannot be represented in type 'int'
Fixes: 2234/clusterfuzz-testcase-minimized-6266896041115648
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: memleak
Fixes: 2272/clusterfuzz-testcase-minimized-5059103858622464
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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overflows
Fixes: runtime error: signed integer overflow: 58065 * 51981 cannot be represented in type 'int'
Fixes: 2271/clusterfuzz-testcase-minimized-5778297776504832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: left shift of negative value -1
Fixes: 2250/clusterfuzz-testcase-minimized-5693382112313344
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 2147483647 + 6 cannot be represented in type 'int'
Fixes: 2263/clusterfuzz-testcase-minimized-4800359627227136
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 2249/clusterfuzz-testcase-minimized-5388542379294720
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: shift exponent 36 is too large for 32-bit type 'int'
Fixes: 2239/clusterfuzz-testcase-minimized-5639766592716800
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 2143315325 + 4186162 cannot be represented in type 'int'
Fixes: 2134/clusterfuzz-testcase-minimized-4619258405322752
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes OOM
Fixes: 2131/clusterfuzz-testcase-minimized-4718045157130240
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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dsp function
Signed-off-by: James Almer <jamrial@gmail.com>
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About 7% faster.
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into the past
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 630067357 * 4 cannot be represented in type 'int'
Fixes: 2233/clusterfuzz-testcase-minimized-5943031318446080
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 2231/clusterfuzz-testcase-minimized-4565181982048256
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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dnxhd_find_frame_end() on error
Fixes: Null pointer dereference
Fixes: CVE-2017-9608
Found-by: Yihan Lian
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Given how incredibly limited the official specifications are (limiting all use
to only the most common broadcasting formats), permit all supported inputs
by default. This makes the encoder more useful.
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Each frame is now padded with 0 values if not enough samples are
present, and all frames are guaranteed to have exactly
1 << (venc->log2_blocksize[1] - 1) samples.
Signed-off-by: Tyler Jones <tdjones879@gmail.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
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Usage of blocksize, window, mode, and mdct indexes are switched from
default 0 to a default of 1 to better align with specs. A flag of 0
should correspond with short windows, a flag of 1 with long.
Signed-off-by: Tyler Jones <tdjones879@gmail.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
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Audio samples are shifted around when copying from the frame queue so that
analysis can be done without negatively impacting calculation of the MDCT.
Window coefficients are applied to the current two overlapped windows
simultaneously instead of applying overlap for the next frame ahead of time.
This improves readability when applying windows of varying lengths.
Signed-off-by: Tyler Jones <tdjones879@gmail.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: index 16 out of bounds for type 'int [16]'
Fixes: 2209/clusterfuzz-testcase-minimized-5012343912136704
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: -268386304 * 16 cannot be represented in type 'int'
Fixes: 2204/clusterfuzz-testcase-minimized-5616756909408256
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes: runtime error: signed integer overflow: 131072 + 2147352576 cannot be represented in type 'int'
Fixes: 2192/clusterfuzz-testcase-minimized-5370387988742144
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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