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Limin Wang cbc63d61b2 avfilter/vf_scale: split the scale_frame function from filter_frame for activate function support 
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-09-08 02:15:46 +02:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avfilter/vf_v360: add options to h/w unflip input video 2019-09-07 22:36:28 +02:00
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fftools ffmpeg: switch to avformat_seek_file for stream_loop 2019-09-05 23:23:11 +05:30
libavcodec avcodec/qdm2: Check frame size 2019-09-06 22:26:55 +02:00
libavdevice libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
libavfilter avfilter/vf_scale: split the scale_frame function from filter_frame for activate function support 2019-09-08 02:15:46 +02:00
libavformat avformat/vividas: check for tiny blocks using alignment 2019-09-06 22:25:35 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/version: bump for hwcontext_videotoolbox api change 2019-09-04 12:56:25 -07:00
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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.