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This way it does not look like a constant.
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This way it does not look like a constant.
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This way it does not look like a constant.
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This way it does not look like a constant.
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This way it does not look like a constant.
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This way it does not look like a constant.
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Most of the changes are just trivial are just trivial replacements of
fields from MpegEncContext with equivalent fields in H264Context.
Everything in h264* other than h264.c are those trivial changes.
The nontrivial parts are:
1) extracting a simplified version of the frame management code from
mpegvideo.c. We don't need last/next_picture anymore, since h264 uses
its own more complex system already and those were set only to appease
the mpegvideo parts.
2) some tables that need to be allocated/freed in appropriate places.
3) hwaccels -- mostly trivial replacements.
for dxva, the draw_horiz_band() call is moved from
ff_dxva2_common_end_frame() to per-codec end_frame() callbacks,
because it's now different for h264 and MpegEncContext-based
decoders.
4) svq3 -- it does not use h264 complex reference system, so I just
added some very simplistic frame management instead and dropped the
use of ff_h264_frame_start(). Because of this I also had to move some
initialization code to svq3.
Additional fixes for chroma format and bit depth changes by
Janne Grunau <janne-libav@jannau.net>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes several "‘static’ is not at beginning of declaration" warnings.
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Much faster high bit depth deblocking.
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FF_COMMON_FRAME holds the contents of the AVFrame structure and is also copied
to struct Picture. Replace by an embedded AVFrame structure in struct Picture.
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Eliminate redundant check in filter_mb_fast, consider bit depth in calculating qp_thresh.
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Faster H.264 decoding with ALLOW_INTERLACE off.
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Significantly faster deblocking in streams with lots of slices.
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It was broken in 4:4:4, and still did chroma deblocking for no reason in 4:2:0.
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Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
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Needs some ARM/PPC asm modifications.
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It was broken in 4:4:4, and still did chroma deblocking for no reason in 4:2:0.
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Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
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In high bit depth the pixels will not be stored in uint8_t like in the
normal case, but in uint16_t. The pixel size is thus 1 in normal bit
depth and 2 in high bit depth.
Preparatory patch for high bit depth h264 decoding support.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Preparatory patch for high bit depth h264 decoding support.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This moves the H264-specific functions from DSPContext to the new
H264DSPContext. The code is made conditional on CONFIG_H264DSP
which is set by the codecs requiring it.
The qpel and chroma MC functions are not moved as these are used by
non-h264 code.
Originally committed as revision 22565 to svn://svn.ffmpeg.org/ffmpeg/trunk
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These macros are redundant. All uses are replaced with the generic
DECLARE_ALIGNED macro instead.
Originally committed as revision 22233 to svn://svn.ffmpeg.org/ffmpeg/trunk
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This eliminates all aliasing violation warnings in h264 code.
No measurable speed difference with gcc-4.4.3 on i7.
Originally committed as revision 21881 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21866 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21815 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Fixes issue1250
Originally committed as revision 21665 to svn://svn.ffmpeg.org/ffmpeg/trunk
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of the code.
No meassureable speed change.
Originally committed as revision 21566 to svn://svn.ffmpeg.org/ffmpeg/trunk
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about 0.5% faster MBAFF loop filtering
Originally committed as revision 21552 to svn://svn.ffmpeg.org/ffmpeg/trunk
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No meassureable speed effect.
Originally committed as revision 21541 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21540 to svn://svn.ffmpeg.org/ffmpeg/trunk
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about 0.5% faster loop filtering
Originally committed as revision 21539 to svn://svn.ffmpeg.org/ffmpeg/trunk
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smaller without any speed loss.
Originally committed as revision 21514 to svn://svn.ffmpeg.org/ffmpeg/trunk
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1% faster MBAFF decoding overall, maybe ~0.1% faster for the cathedral sample.
Originally committed as revision 21507 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 21506 to svn://svn.ffmpeg.org/ffmpeg/trunk
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~20 cpu cycles faster loopfilter
Originally committed as revision 21505 to svn://svn.ffmpeg.org/ffmpeg/trunk
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