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tests/checkasm/checkasm: C LSX LASX put_hevc_qpel_uni_h4_8_c: 5.7 1.2 put_hevc_qpel_uni_h6_8_c: 12.2 2.7 put_hevc_qpel_uni_h8_8_c: 21.5 3.2 put_hevc_qpel_uni_h12_8_c: 47.2 9.2 7.2 put_hevc_qpel_uni_h16_8_c: 87.0 11.7 9.0 put_hevc_qpel_uni_h24_8_c: 188.2 27.5 21.0 put_hevc_qpel_uni_h32_8_c: 335.2 46.7 28.5 put_hevc_qpel_uni_h48_8_c: 772.5 104.5 65.2 put_hevc_qpel_uni_h64_8_c: 1383.2 142.2 109.0 put_hevc_epel_uni_w_v4_8_c: 5.0 1.5 put_hevc_epel_uni_w_v6_8_c: 10.7 3.5 2.5 put_hevc_epel_uni_w_v8_8_c: 18.2 3.7 3.0 put_hevc_epel_uni_w_v12_8_c: 40.2 10.7 7.5 put_hevc_epel_uni_w_v16_8_c: 70.2 13.0 9.2 put_hevc_epel_uni_w_v24_8_c: 158.2 30.2 22.5 put_hevc_epel_uni_w_v32_8_c: 281.0 52.0 36.5 put_hevc_epel_uni_w_v48_8_c: 631.7 116.7 82.7 put_hevc_epel_uni_w_v64_8_c: 1108.2 207.5 142.2 put_hevc_epel_uni_w_h4_8_c: 4.7 1.2 put_hevc_epel_uni_w_h6_8_c: 9.7 3.5 2.7 put_hevc_epel_uni_w_h8_8_c: 17.2 4.2 3.5 put_hevc_epel_uni_w_h12_8_c: 38.0 11.5 7.2 put_hevc_epel_uni_w_h16_8_c: 69.2 14.5 9.2 put_hevc_epel_uni_w_h24_8_c: 152.0 34.7 22.5 put_hevc_epel_uni_w_h32_8_c: 271.0 58.0 40.0 put_hevc_epel_uni_w_h48_8_c: 597.5 136.7 95.0 put_hevc_epel_uni_w_h64_8_c: 1074.0 252.2 168.0 put_hevc_epel_bi_h4_8_c: 4.5 0.7 put_hevc_epel_bi_h6_8_c: 9.0 1.5 put_hevc_epel_bi_h8_8_c: 15.2 1.7 put_hevc_epel_bi_h12_8_c: 33.5 4.2 3.7 put_hevc_epel_bi_h16_8_c: 59.7 5.2 4.7 put_hevc_epel_bi_h24_8_c: 132.2 11.0 put_hevc_epel_bi_h32_8_c: 232.7 20.2 13.2 put_hevc_epel_bi_h48_8_c: 521.7 45.2 31.2 put_hevc_epel_bi_h64_8_c: 949.0 71.5 51.0 After this patch, the peformance of decoding H265 4K 30FPS 30Mbps on 3A6000 with 8 threads improves 1fps(55fps-->56fsp). Change-Id: I8cc1e41daa63ca478039bc55d1ee8934a7423f51 Reviewed-by: yinshiyou-hf@loongson.cn Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
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compat | ||
doc | ||
ffbuild | ||
fftools | ||
libavcodec | ||
libavdevice | ||
libavfilter | ||
libavformat | ||
libavutil | ||
libpostproc | ||
libswresample | ||
libswscale | ||
presets | ||
tests | ||
tools | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.travis.yml | ||
Changelog | ||
configure | ||
CONTRIBUTING.md | ||
COPYING.GPLv2 | ||
COPYING.GPLv3 | ||
COPYING.LGPLv2.1 | ||
COPYING.LGPLv3 | ||
CREDITS | ||
INSTALL.md | ||
LICENSE.md | ||
MAINTAINERS | ||
Makefile | ||
README.md | ||
RELEASE |
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodec
provides implementation of a wider range of codecs.libavformat
implements streaming protocols, container formats and basic I/O access.libavutil
includes hashers, decompressors and miscellaneous utility functions.libavfilter
provides means to alter decoded audio and video through a directed graph of connected filters.libavdevice
provides an abstraction to access capture and playback devices.libswresample
implements audio mixing and resampling routines.libswscale
implements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- Additional small tools such as
aviocat
,ismindex
andqt-faststart
.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to the ffmpeg-devel mailing list using
git format-patch
or git send-email
. Github pull requests should be
avoided because they are not part of our review process and will be ignored.