| Commit message (Collapse) | Author | Age |
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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It now does 12 samples per iteration, up from 4.
From 1.8 to 3.2 times faster again. 3.6 to 5.7 times faster overall.
Runtime is reduced by a further 2 to 18%. Overall runtime reduced by
4 to 50%.
Same conditions as before apply.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This reduces code duplication and differences with the fork.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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From 1.8 to 2.4 times faster. Runtime is reduced by 2 to 39%. The
speed-up generally increases with compression_level.
This lpc encoder is not used with levels < 3 so it provides no speed-up
in these cases.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Thanks to Pascal Massimino and Michael Militzer for permission to use under LGPL
The xvid idct code is from xvid, and nearly unchanged to make future syncing easy
the integration into ffmpeg is done by the commiter
the commit message is written by the commiter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'da7d839a0d3ec40423a665dc85e0cfaed3f92eb8':
ffv1dec: check that global parameters do not change in version 0/1
Conflicts:
libavcodec/ffv1dec.c
See: b05cd1ea7e45a836f7f6071a716c38bb30326e0f
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Such changes are neither allowed nor supported
Found-by: ami_stuff
Bug-Id: CVE-2013-7020
CC: libav-stable@libav.org
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Reduces the number of calls to tmvp derivation from 933685 to 586271 on
a sequence.
Reviewed-by: Mickaël Raulet <mraulet@insa-rennes.fr>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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The position is either rounded or not checked, so delay the wait to
check the proper value.
Reviewed-by: Mickaël Raulet <mraulet@insa-rennes.fr>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit 'cf6090dc6252f2b276aa4133e3d73a89f4c6046c':
hevc: use intreadwrite
Conflicts:
libavcodec/hevc_mvs.c
See: 7a4a5515b0ce97f1c4e18ed012cc3f86328dd220
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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When dealing with MVs, both components may be processed at a time.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit 'ed53cc217f6a6e4ddb35e3f01a79496091dc82dc':
hevc: derive partial merge list
Conflicts:
libavcodec/hevc_mvs.c
See: 4576eff05d94a5e0b853a7a595d31351cc539e7b
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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The merge list only needs to be derived up to the merge index.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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When the candidate has been found, no need to derive others.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '09182b3224370e1d636631e77f201a8388766bd6':
hevc: simplify rounding
Conflicts:
libavcodec/hevc_mvs.c
See: 2e471e4703ed5aaab6d6b6bf5a3c6895b79f02b4
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit 'd1b1c3bb5ef1bee409c06c3bcacfb8674e1cb574':
hevc: reorder loops
Conflicts:
libavcodec/hevc.c
See: eca1957c4cbee66a0b1f3dcabaffe68d61885f16
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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iterate over memory in a more continuous order
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes mismatch in first keyframe in sample
ffvp9_fails_where_libvpx.succeeds.webm from ticket 3849. There's still
a second mismatch a few frames into the sample.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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If the allocated size, despite best efforts, is too small, exit
with the appropriate error.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes: snowf.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes: ffvhuff_f.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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reader
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This allows sharing them with the xvid IDCT
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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After finishing parsing VPS/SPS/PPS/slice header, check remaining bits,
and if an overconsumption occurred, report invalid data.
Liked-by: BBB
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket3837
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'cc1d8c54c19dd14fb851e3e7a7793d6b3bd75e94':
avcodec: Postpone FF_IDCT_XVIDMMX removal until the next version bump
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes out of array access
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'd63443b9684fa7b3e086634f7b44b203b6d9221e':
lavc: drop the av_fast_{re,m}alloc compatibility wrappers
Conflicts:
libavcodec/utils.c
See: a973e01501bc3ca5c61d778f97f350837d4ed481
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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They were only needed until the bump.
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* commit '2597a842a0a2c7e8aa76f32733d27bf64817ae86':
tiff: Improve grayscale support
Conflicts:
libavcodec/tiff.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Only use PAL8 if palette is present, else use GRAY8 for pixfmt.
Instead of simulating a grayscale palette, use real grayscale pixels, if no
palette is actually defined.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This makes the SPS parsing a little, but barely, safer.
Reviewed-by: Mickaël Raulet <mraulet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Also mark it as deprecated through its help text
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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They might be left uninitialized otherwise since 3ad04608.
Fixes ticket #3840.
Found-by: Carl Eugen Hoyos <ce@hoyos.ws>
Reported-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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mplayer-specifc hacks should not be in our codebase. mplayer should fix
its own code. It is not our responsibility to work around their broken
code.
This reverts commit e8e575633faf19711910cf9caf59f7db300a9ccd.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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It previously used the output, cropped size, causing overreads/writes.
Fixes ticket #3839.
This issue was introduced by d249e682, which is not part of any release
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '9325d88eba8038b3e2a4485e473a018410379e2d':
lavc: remove obsolete and disabled avpriv functions
Conflicts:
libavcodec/dv_profile.c
libavcodec/dv_profile.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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It causes build failures in some cases and the functions are provided by
libavutil so the wraper should not be needed anymore
Found-by: jamrial
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '472f9ed312ec784f7c72876b77163f4741880d05':
Remove obsolete FF_API_AVFRAME_COLORSPACE cruft.
Conflicts:
libavcodec/utils.c
libavutil/frame.h
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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