- 06 8月, 2010 2 次提交
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由 Stefano Sabatini 提交于
av_check_image_size() instead. Originally committed as revision 24711 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Motion vectors in VP8 are qpel, not fullpel. Originally committed as revision 24707 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 05 8月, 2010 1 次提交
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由 Jason Garrett-Glaser 提交于
Create a custom table for VP5/6/8's renorm to avoid depending on H.264's. Saves one instruction in the arithmetic decoder as well. Originally committed as revision 24701 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 04 8月, 2010 4 次提交
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由 Jason Garrett-Glaser 提交于
Avoids a function call in the case of empty DCT blocks (most of the time). Originally committed as revision 24691 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Accidentally committed some timing code. Originally committed as revision 24690 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Slightly faster. Originally committed as revision 24689 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24687 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 03 8月, 2010 7 次提交
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由 Jason Garrett-Glaser 提交于
1-2 clocks faster. Originally committed as revision 24683 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
~34% faster partition type decoding. Originally committed as revision 24681 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Much faster splitmv mode decoding. Originally committed as revision 24680 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
~50% faster MB mode decoding, plus eliminate a costly switch. Originally committed as revision 24679 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24671 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
A lot of the time the DC block is empty: don't do the WHT in this case. A lot of the rest of the time, there's only one coefficient: make a special DC-only transform for that case. When the block is empty, don't incorrectly mark luma DCT blocks as having DC coefficients. Originally committed as revision 24670 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Lets us do the zeroing in asm instead of C. Also makes it consistent with the way the regular iDCT code does it. Originally committed as revision 24668 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 02 8月, 2010 3 次提交
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由 Pascal Massimino 提交于
inter-frame behaviour unchanged. Originally committed as revision 24664 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
~1.5% faster decode_block_coeffs Originally committed as revision 24659 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Pascal Massimino 提交于
Originally committed as revision 24656 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 28 7月, 2010 3 次提交
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由 Pascal Massimino 提交于
Originally committed as revision 24559 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Pascal Massimino 提交于
Originally committed as revision 24558 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Pascal Massimino 提交于
Originally committed as revision 24557 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 26 7月, 2010 1 次提交
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由 Jason Garrett-Glaser 提交于
Fixes a tiny memory leak. Originally committed as revision 24504 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 25 7月, 2010 1 次提交
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由 Carl Eugen Hoyos 提交于
Originally committed as revision 24498 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 24 7月, 2010 7 次提交
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由 David Conrad 提交于
Much faster read_mv_component, slightly faster overall Originally committed as revision 24470 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 David Conrad 提交于
Originally committed as revision 24469 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 David Conrad 提交于
on the huffman tree, instead of traversing the tree in a while loop. Based on the similar optimization in libvpx's detokenize.c 10% faster at normal bitrates, and 30% faster for high-bitrate intra-only Originally committed as revision 24468 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Also add Ronald to maintainers. Originally committed as revision 24464 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Mostly seems to help in the MC code, which gets a hundred cycles faster. Originally committed as revision 24463 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24462 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Don't clamp best mv unless it's actually used. Originally committed as revision 24461 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- 23 7月, 2010 11 次提交
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24460 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24459 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24458 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Apparently the official conformance test vectors don't test this feature, even though libvpx uses it. Originally committed as revision 24456 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Add MMX idct_dc_add4uv function for this case. ~40% faster chroma idct. Originally committed as revision 24455 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24454 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Take shortcuts based on statistically common situations. Add 4-at-a-time idct_dc function (mmx and sse2) since rows of 4 DC-only DCT blocks are common. TODO: tie this more directly into the MB mode, since the DC-level transform is only used for non-splitmv blocks? Originally committed as revision 24452 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Don't prefetch reference frames that were used less than 1/32th of the time so far in the frame. This helps speed up to ~2% on videos that, in many frames, make near-zero (but not entirely zero) use of golden and/or alt-refs. This is a very common property of videos encoded by libvpx. Originally committed as revision 24451 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
~0.3% faster overall. Originally committed as revision 24448 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24447 to svn://svn.ffmpeg.org/ffmpeg/trunk
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由 Jason Garrett-Glaser 提交于
Originally committed as revision 24446 to svn://svn.ffmpeg.org/ffmpeg/trunk
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