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Martin Storsjö 067abbfe9d aarch64: Detect I8MM on Windows via SVE-I8MM 
There's no direct processor feature constant for I8MM alone, but
there is a flag for SVE-I8MM (added in WinSDK 10.0.26100 and
recent versions of mingw-w64). If SVE-I8MM is available, we can
assume that I8MM is available.

While HW supporting these features isn't yet commonly running
Windows, this at least allows detecting and running the I8MM codepaths
in Windows builds in Wine (possibly running in QEMU).

Signed-off-by: Martin Storsjö <martin@martin.st>
 		2024-09-27 00:02:48 +03:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc doc/ffmpeg: improve wording in the description section 2024-09-26 18:25:21 +02:00
ffbuild ffbuild: add METALCC and METALLIB to BRIEF 2024-09-26 01:54:15 +02:00
fftools fftools/ffmpeg_filter: remove remaining OutputStream usage in init_simple_filtergraph() 2024-09-26 18:29:40 +02:00
libavcodec aarch64: h26x: Fix the indentation of one function 2024-09-26 13:42:11 +03:00
libavdevice avdevice/avfoundation: remove write-only variable 2024-09-26 00:17:24 +02:00
libavfilter avfilter/vf_coreimage: silence AVFrame deprecation warnings 2024-09-26 00:34:36 +02:00
libavformat */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libavutil aarch64: Detect I8MM on Windows via SVE-I8MM 2024-09-27 00:02:48 +03:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswscale */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
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tests fftools/ffmpeg_enc: move set_encoder_id() to ffmpeg_mux_init 2024-09-26 18:25:21 +02:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +02:00
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Changelog Changelog: Add version <next> 2024-09-24 17:11:27 +02:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: Fix typo in web repository 2024-09-24 15:37:14 +02:00
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README.md
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RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00
configure compat: add a fallback implementation of C23 stdbit.h 2024-09-23 17:08:46 +02:00

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.