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Andreas Rheinhardt 088382a434 avcodec/alpha/me_cmp_alpha: Use proper me_cmp_func type 
ea41e6d637 forgot
the int->ptrdiff_t switch for the stride. Libav didn't
do it because Libav had already dropped support for Alpha
at that point.
Only compilation has been tested for this commit.

(It might be that the ASM-versions of me_cmp_func functions
need to be updated as well.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-08-02 08:40:58 +02:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc lavfi/cropdetect: Add new mode to detect crop-area based on motion vectors and edges 2022-07-30 13:17:28 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg_opt: reindent 2022-07-28 16:37:16 +02:00
libavcodec avcodec/alpha/me_cmp_alpha: Use proper me_cmp_func type 2022-08-02 08:40:58 +02:00
libavdevice lavd: use AVFrame.duration instead of AVFrame.pkt_duration 2022-07-19 12:27:17 +02:00
libavfilter avfilter/vf_cropdetect: Remove set-but-unused variable 2022-07-30 22:14:26 +02:00
libavformat avcodec/ttmlenc: Use string literal macro for default namespacing 2022-07-31 04:57:23 +02:00
libavutil lavu/frame: add a duration field to AVFrame 2022-07-19 12:27:17 +02:00
libpostproc Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswresample Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswscale swscale/rgb2rgb: Don't cast const away 2022-07-31 01:09:52 +02:00
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
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README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +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.