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sunyuechi d521b7280c lavc/vp9dsp: R-V V ipred tm 
C908:
vp9_tm_4x4_8bpp_c: 116.5
vp9_tm_4x4_8bpp_rvv_i32: 43.5
vp9_tm_8x8_8bpp_c: 416.2
vp9_tm_8x8_8bpp_rvv_i32: 86.0
vp9_tm_16x16_8bpp_c: 1665.5
vp9_tm_16x16_8bpp_rvv_i32: 187.2
vp9_tm_32x32_8bpp_c: 6974.2
vp9_tm_32x32_8bpp_rvv_i32: 625.7

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
2024-05-17 18:12:11 +03:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffplay: Check return of swr_alloc_set_opts2() 2024-05-09 16:17:40 +02:00
libavcodec lavc/vp9dsp: R-V V ipred tm 2024-05-17 18:12:11 +03:00
libavdevice lavd/v4l2: Use proper field type for second parameter of ioctl() with BSD's 2024-05-08 21:33:32 +02:00
libavfilter avfilter/vf_geq: fix interpolation with 1 pixel width/height 2024-05-14 21:07:37 +02:00
libavformat avformat/concatdec: Check file 2024-05-09 16:17:39 +02:00
libavutil lavu/riscv: fix parsing the unaligned access capability 2024-05-15 20:04:08 +03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale/riscv: explicitly require Zbb for MIN 2024-05-10 18:59:06 +03:00
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tests tests/checkasm/sw_gbrp: Use correct function types for calls 2024-05-17 13:36:03 +02:00
tools tools/target_enc_fuzzer: Only read pix_fmts if its set 2024-05-09 16:17:39 +02:00
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Changelog lavc/qsvenc: add support for oneVPL string API 2024-05-07 11:06:37 +08:00
configure lavu/riscv: fallback to raw hwprobe() system call 2024-05-14 19:50:00 +03:00
CONTRIBUTING.md
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as *BSD maintainer 2024-05-13 03:40:16 +02:00
Makefile riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.