mirror of
https://github.com/FFmpeg/FFmpeg.git
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Mirror of https://git.ffmpeg.org/ffmpeg.git
17e7b49501
This is a fairly dumb copy of the assembly for 8-bit samples but it works and produces identical output to the C version. The options have been tested on an Athlon64 and a Core2Quad. Athlon64: 1810385 decicycles in C, 32726 runs, 42 skips 1080744 decicycles in mmx, 32744 runs, 24 skips, 1.7x faster 818315 decicycles in sse2, 32735 runs, 33 skips, 2.2x faster Core2Quad: 924025 decicycles in C, 32750 runs, 18 skips 623995 decicycles in mmx, 32767 runs, 1 skips, 1.5x faster 406223 decicycles in sse2, 32764 runs, 4 skips, 2.3x faster 387842 decicycles in ssse3, 32767 runs, 1 skips, 2.4x faster 307726 decicycles in sse4, 32763 runs, 5 skips, 3.0x faster Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
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|---|---|---|
| compat | ||
| doc | ||
| libavcodec | ||
| libavdevice | ||
| libavfilter | ||
| libavformat | ||
| libavresample | ||
| libavutil | ||
| libpostproc | ||
| libswresample | ||
| libswscale | ||
| presets | ||
| tests | ||
| tools | ||
| .gitignore | ||
| arch.mak | ||
| Changelog | ||
| cmdutils_common_opts.h | ||
| cmdutils.c | ||
| cmdutils.h | ||
| common.mak | ||
| configure | ||
| COPYING.GPLv2 | ||
| COPYING.GPLv3 | ||
| COPYING.LGPLv2.1 | ||
| COPYING.LGPLv3 | ||
| CREDITS | ||
| ffmpeg_filter.c | ||
| ffmpeg_opt.c | ||
| ffmpeg.c | ||
| ffmpeg.h | ||
| ffplay.c | ||
| ffprobe.c | ||
| ffserver.c | ||
| INSTALL | ||
| library.mak | ||
| LICENSE | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| RELEASE | ||
| version.sh | ||
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.