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Martin Storsjö 1e42a48e37 configure: Add a --disable-version-tracking option 
This disables regenerating ffversion.h whenever the checked out
git commit changes, speeding up development rebuilds.

Whenever this option is set, force the version to be printed as
"unknown" rather than showing potentially stale information.

Signed-off-by: Martin Storsjö <martin@martin.st>
2023-12-21 11:00:34 +02:00
compat
doc libavutil: add hwcontext_d3d12va and AV_PIX_FMT_D3D12 2023-12-21 16:15:23 +08:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffmpeg_enc: assert necessary frame fields before create encoder 2023-12-21 19:30:25 +08:00
libavcodec avcodec/d3d12va_hevc: enable allow_profile_mismatch flag for d3d12va msp profile 2023-12-21 16:15:23 +08:00
libavdevice gdigrab: Fix hwnd parameter issues 2023-12-19 00:07:26 +02:00
libavfilter libavfilter/vf_dnn_detect: Add initialized value to function pointer 2023-12-21 16:15:23 +08:00
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libavutil libavutil: add hwcontext_d3d12va and AV_PIX_FMT_D3D12 2023-12-21 16:15:23 +08:00
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libswresample swr/swresample: avoid reapplication of firstpts 2023-12-18 15:47:04 +05:30
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tools tools/target_dec_fuzzer: Adjust threshold for VMIX 2023-12-14 23:34:46 +01:00
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Changelog Changelog: D3D12VA hardware accelerated H264, HEVC, VP9, AV1, MPEG-2 and VC1 decoding 2023-12-21 16:15:23 +08:00
configure configure: Add a --disable-version-tracking option 2023-12-21 11:00:34 +02:00
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Makefile configure: Add a --disable-version-tracking option 2023-12-21 11:00:34 +02:00
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.