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Logan Lyu d48c89701c lavc/aarch64: new optimization for 8-bit hevc_epel_h 
put_hevc_epel_h4_8_c: 67.1
put_hevc_epel_h4_8_i8mm: 21.1
put_hevc_epel_h6_8_c: 147.1
put_hevc_epel_h6_8_i8mm: 45.1
put_hevc_epel_h8_8_c: 237.4
put_hevc_epel_h8_8_i8mm: 72.1
put_hevc_epel_h12_8_c: 527.4
put_hevc_epel_h12_8_i8mm: 115.4
put_hevc_epel_h16_8_c: 943.6
put_hevc_epel_h16_8_i8mm: 153.9
put_hevc_epel_h24_8_c: 2105.4
put_hevc_epel_h24_8_i8mm: 384.4
put_hevc_epel_h32_8_c: 3631.4
put_hevc_epel_h32_8_i8mm: 519.9
put_hevc_epel_h48_8_c: 8082.1
put_hevc_epel_h48_8_i8mm: 1110.4
put_hevc_epel_h64_8_c: 14400.6
put_hevc_epel_h64_8_i8mm: 2057.1

put_hevc_qpel_h4_8_c: 124.9
put_hevc_qpel_h4_8_neon: 43.1
put_hevc_qpel_h4_8_i8mm: 33.1
put_hevc_qpel_h6_8_c: 269.4
put_hevc_qpel_h6_8_neon: 90.6
put_hevc_qpel_h6_8_i8mm: 61.4
put_hevc_qpel_h8_8_c: 477.6
put_hevc_qpel_h8_8_neon: 82.1
put_hevc_qpel_h8_8_i8mm: 99.9
put_hevc_qpel_h12_8_c: 1062.4
put_hevc_qpel_h12_8_neon: 226.9
put_hevc_qpel_h12_8_i8mm: 170.9
put_hevc_qpel_h16_8_c: 1880.6
put_hevc_qpel_h16_8_neon: 302.9
put_hevc_qpel_h16_8_i8mm: 251.4
put_hevc_qpel_h24_8_c: 4221.9
put_hevc_qpel_h24_8_neon: 893.9
put_hevc_qpel_h24_8_i8mm: 626.1
put_hevc_qpel_h32_8_c: 7437.6
put_hevc_qpel_h32_8_neon: 1189.9
put_hevc_qpel_h32_8_i8mm: 959.1
put_hevc_qpel_h48_8_c: 16838.4
put_hevc_qpel_h48_8_neon: 2727.9
put_hevc_qpel_h48_8_i8mm: 2163.9
put_hevc_qpel_h64_8_c: 29982.1
put_hevc_qpel_h64_8_neon: 4777.6

Signed-off-by: Martin Storsjö <martin@martin.st>
2023-07-14 21:19:12 +03:00
compat
doc avfilter/avf_showcwt: add rotation option 2023-07-13 00:11:36 +02:00
ffbuild
fftools fftools/ffmpeg_mux: forward EOF from the sync queue 2023-07-13 13:08:56 +02:00
libavcodec lavc/aarch64: new optimization for 8-bit hevc_epel_h 2023-07-14 21:19:12 +03:00
libavdevice lavd/opengl: select the GL context before drawing 2023-07-12 15:06:15 +02:00
libavfilter avfilter/split: fix EOF passing to inlink 2023-07-14 00:46:45 +02:00
libavformat avformat/ivfenc: Set the "number of frames" in IVF header 2023-07-09 16:56:58 -04:00
libavutil lavu/avassert: include config.h 2023-07-12 15:35:37 +02:00
libpostproc
libswresample Move bessel_i0() from swresample/resample to avutil/mathematics 2023-05-29 00:45:28 +02:00
libswscale libswscale/riscv: fix syntax of vsetvli 2023-07-13 22:01:24 +03:00
presets
tests tests/fate-run: add testing with a random number of threads 2023-07-11 19:19:32 +02:00
tools tools/target_bsf_fuzzer: fix some filter names 2023-06-29 22:44:11 -03:00
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Changelog avformat/rawenc: add H266/VVC muxer 2023-06-29 14:12:50 -03:00
configure avutil: fix build failure on osx 10.4 2023-07-08 14:51:15 -03:00
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MAINTAINERS MAINTAINERS: change Leo Izen IRC nickname 2023-06-20 12:46:47 -04:00
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README.md

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 and qt-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.