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sunyuechi 9edd2e723b lavc/vp9dsp: R-V V mc bilin h v 
C908   X60
vp9_avg_bilin_4h_8bpp_c                            :    5.5    4.7
vp9_avg_bilin_4h_8bpp_rvv_i32                      :    1.7    1.5
vp9_avg_bilin_4v_8bpp_c                            :    5.5    4.7
vp9_avg_bilin_4v_8bpp_rvv_i32                      :    1.5    1.2
vp9_avg_bilin_8h_8bpp_c                            :   20.0   17.7
vp9_avg_bilin_8h_8bpp_rvv_i32                      :    3.0    2.7
vp9_avg_bilin_8v_8bpp_c                            :   20.7   18.7
vp9_avg_bilin_8v_8bpp_rvv_i32                      :    3.0    2.7
vp9_avg_bilin_16h_8bpp_c                           :   78.2   69.7
vp9_avg_bilin_16h_8bpp_rvv_i32                     :    7.0    6.2
vp9_avg_bilin_16v_8bpp_c                           :   98.5   73.2
vp9_avg_bilin_16v_8bpp_rvv_i32                     :    7.0    6.0
vp9_avg_bilin_32h_8bpp_c                           :  325.5  275.5
vp9_avg_bilin_32h_8bpp_rvv_i32                     :   23.0   20.5
vp9_avg_bilin_32v_8bpp_c                           :  342.2  290.0
vp9_avg_bilin_32v_8bpp_rvv_i32                     :   21.7   19.5
vp9_avg_bilin_64h_8bpp_c                           : 1263.7 1095.7
vp9_avg_bilin_64h_8bpp_rvv_i32                     :   91.2   81.2
vp9_avg_bilin_64v_8bpp_c                           : 1331.7 1155.2
vp9_avg_bilin_64v_8bpp_rvv_i32                     :   91.2   81.0
vp9_put_bilin_4h_8bpp_c                            :    4.5    4.0
vp9_put_bilin_4h_8bpp_rvv_i32                      :    1.0    1.0
vp9_put_bilin_4v_8bpp_c                            :    4.7    4.2
vp9_put_bilin_4v_8bpp_rvv_i32                      :    1.0    1.0
vp9_put_bilin_8h_8bpp_c                            :   16.7   15.0
vp9_put_bilin_8h_8bpp_rvv_i32                      :    2.2    2.0
vp9_put_bilin_8v_8bpp_c                            :   17.5   15.7
vp9_put_bilin_8v_8bpp_rvv_i32                      :    2.2    2.0
vp9_put_bilin_16h_8bpp_c                           :   65.2   58.0
vp9_put_bilin_16h_8bpp_rvv_i32                     :    6.0    5.5
vp9_put_bilin_16v_8bpp_c                           :   69.2   61.7
vp9_put_bilin_16v_8bpp_rvv_i32                     :    5.7    5.2
vp9_put_bilin_32h_8bpp_c                           :  273.2  229.0
vp9_put_bilin_32h_8bpp_rvv_i32                     :   19.7   17.7
vp9_put_bilin_32v_8bpp_c                           :  290.5  243.7
vp9_put_bilin_32v_8bpp_rvv_i32                     :   18.7   16.7
vp9_put_bilin_64h_8bpp_c                           : 1040.5  910.5
vp9_put_bilin_64h_8bpp_rvv_i32                     :   82.5   73.0
vp9_put_bilin_64v_8bpp_c                           : 1108.5  971.0
vp9_put_bilin_64v_8bpp_rvv_i32                     :   82.2   73.2

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
2024-08-19 22:29:20 +03:00
compat
doc avcodec/avcodec: Warn about data returned from get_buffer*() 2024-08-18 23:04:28 +02:00
ffbuild
fftools fftools/ffmpeg: show video stats in progress output without filters 2024-08-14 15:17:58 +02:00
libavcodec lavc/vp9dsp: R-V V mc bilin h v 2024-08-19 22:29:20 +03:00
libavdevice libavdevice/gdigrab: change hwnd tail check fail logic to !=null 2024-08-15 20:10:33 +08:00
libavfilter avfilter/f_zmq: fix graph argument 2024-08-16 09:53:22 -03:00
libavformat avformat/iamf_parse: clear padding 2024-08-18 23:05:40 +02:00
libavutil avutil/dovi_meta: document static vs dynamic ext blocks 2024-08-16 11:48:02 +02:00
libpostproc
libswresample
libswscale swscale/aarch64/yuv2rgb: add neon yuv42{0,2}p -> gbrp unscaled colorspace converters 2024-08-18 22:26:17 +02:00
presets
tests swscale/yuv2rgb: add yuv42{0,2}p -> gbrp unscaled colorspace converters 2024-08-18 22:26:11 +02:00
tools tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers 2024-08-14 18:20:57 +02:00
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Changelog
configure avcodec/bsf/dovi_rpu: add new bitstream filter 2024-08-16 11:48:02 +02:00
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MAINTAINERS MAINTAINERS: add CC preference for myself 2024-08-19 17:46:44 +02:00
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README.md
RELEASE

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.