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Fixes ticket #128.
The SVQ1 interframe mean VLC symbols -128 and 128 are incorrectly swapped
in our SVQ1 implementation, resulting in visible artifacts for some videos.
This patch unswaps the order of these two symbols.
The most noticable example of the artiacts caused by this error can be observed in
https://trac.ffmpeg.org/attachment/ticket/128/svq1_set.7z '352_288_k_50.mov'.
The artifacts are not observed when using the reference decoder
(QuickTime 7.7.9 x86 binary).
As a result of this patch, the reference data for the fate-svq1 test
($SAMPLES/svq1/marymary-shackles.mov) must be modified. For this file, our
decoder output is now bitwise identical to the reference decoder. I have
tested patch with various other samples and they are all now bitwise identical.
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* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
cosmetics: Fix spelling mistakes
Merged-by: Clément Bœsch <u@pkh.me>
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* commit 'b522000e9b2ca36fe5b2751096b9a5f5ed8f87e6':
avio: introduce avio_closep
mpegtsenc: set muxing type notification to verbose
vc1dec: Use correct spelling of "opposite"
a64multienc: change mc_frame_counter to unsigned
arm: call arm-specific rv34dsp init functions under if (ARCH_ARM)
svq1: Drop a bunch of useless parentheses
parseutils-test: do not print numerical error codes
svq1: K&R formatting cosmetics
Conflicts:
doc/APIchanges
libavcodec/svq1dec.c
libavcodec/svq1enc.c
libavformat/version.h
libavutil/parseutils.c
tests/ref/fate/parseutils
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.' to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".
Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 9507 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 9344 to svn://svn.ffmpeg.org/ffmpeg/trunk
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and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 6219 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 3126 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 3121 to svn://svn.ffmpeg.org/ffmpeg/trunk
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native VLC facilities; also added decoding of some more frame header
fields
Originally committed as revision 1907 to svn://svn.ffmpeg.org/ffmpeg/trunk
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