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Anton Khirnov 296dc876ec lavc: fix and extend AVCodecContext.get_format doxy 
Remove some incorrect (or at least misleading) statements, such as the
formats being ordered by quality, or the first format being the native
one. Neither of those are true for hardware acceleration, which is the
main use of this callback.
2021-06-26 19:33:42 +02:00
compat avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
doc avfilter/scale_cuda: add support for pixel format conversion 2021-06-25 01:44:30 +02:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools ffmpeg: silence a thread_safe_callbacks deprecation warning 2021-06-10 21:57:44 -03:00
libavcodec lavc: fix and extend AVCodecContext.get_format doxy 2021-06-26 19:33:42 +02:00
libavdevice avdevice/libcdio: fix AVStream.cur_dts usage 2021-06-09 13:55:25 -03:00
libavfilter avfilter/scale_cuda: add support for pixel format conversion 2021-06-25 01:44:30 +02:00
libavformat lavf/rtmp: Add option to set TCP_NODELAY for rtmp 2021-06-20 22:45:35 +02:00
libavutil avutil/tx: avoid negative left shifts 2021-06-18 18:58:25 +02:00
libpostproc Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswresample Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswscale swscale/swscale_unscaled: don't use the optimized bgr24toYV12 unscaled conversion when width%2 2021-06-06 12:34:05 +08:00
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tests checkasm/vp9dsp: rename the iszero function to is_zero 2021-06-08 13:11:22 -03:00
tools tools/uncoded_frame: include required headers explicitly 2021-06-10 16:51:44 +02:00
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Changelog avformat: add Argonaut Games CVG muxer 2021-05-12 20:27:02 +10:00
configure avfilter/scale_cuda: add support for pixel format conversion 2021-06-25 01:44:30 +02:00
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MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
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README.md
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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 a mean to alter decoded Audio and Video through chain of 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.