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Associate segmentation_map[] with reference frame, rather than
decoding instance. This fixes cases where the map would be free()'ed
on e.g. a size change in one thread, whereas the other thread was
still accessing it. Also, it fixes cases where threads overwrite data
that is still being referenced by the previous thread, who thinks that
it's part of the frame previously decoded by the next thread.
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* qatar/master:
ffmpeg: get rid of the -vglobal option.
dct32: Add AVX implementation of 32-point DCT
dct32: Change pass 6 permutation to allow for AVX implementation
dct32: port SSE 32-point DCT to YASM
multiple inclusion guard cleanup
avio: document buffer must created with av_malloc() and friends
avio: check AVIOContext malloc failure
swscale: point out an alternative to sws_getContext
svq3: Do initialization after parsing the extradata
add changelog entries for 0.7_beta2
mp3lame: add #include required for AV_RB32 macro.
Conflicts:
Changelog
libavcodec/svq3.c
libavcodec/x86/dct32_sse.c
libavfilter/vsrc_buffer.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Add missing multiple inclusion guards; clean up #endif comments;
add missing library prefixes; keep guard names consistent.
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* qatar/master:
vp8: frame-multithreading.
Duplicate Replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*.
Duplicate Replace deprecated av_get_pict_type_char() with av_get_picture_type_char().
Bug spoted&removed in last merge: dpx: Do not use DPX encoder for decoding.
Conflicts:
ffmpeg.c
ffplay.c
libavcodec/h264.c
libavcodec/mpeg12.c
libavcodec/mpeg4videodec.c
libavcodec/mpegvideo.c
libavcodec/mpegvideo_enc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Tested on a Mac Pro, 2 CPUs, 2 cores each, OSX 10.6.6:
time ./ffmpeg -v 0 -vsync 0 -threads [1234] -i \
~/Downloads/sintel_trailer_1080p_vp8_vorbis.webm \
-f null -vcodec rawvideo -an -
1: 0m14.630s (89.9 fps)
2: 0m8.056s (163.2 fps)
3: 0m5.882s (223.6 fps)
4: 0m4.952s (265.6 fps)
time ./ffmpeg -v 0 -vsync 0 -threads [1234] -i \
~/Downloads/Elephants_Dream-720p-Stereo.webm \
-f null -vcodec rawvideo -an -
1: 1m12.962s (215.1 fps)
2: 0m44.682s (351.2 fps)
3: 0m31.183s (503.2 fps)
4: 0m25.284s (620.6 fps)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Shaves at least 3KB off code size on x86, should improve cache utilization.
This would probably be useful to do for other decoders/encoders as well.
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prob[0] is the only prob array ever accessed, so prob[1] can serve as padding
for prob[0].
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