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Jun Zhao 04037e2966 lavfi/setpts: fix setpts/asetpts option dump error 
fix the command ffmpeg -h filter=setpts/asetpts both dump the expr
option with "FVA" flags.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
2020-07-12 08:11:42 +08:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc libavformat/dashenc.c: Support mpd update period 2020-07-09 11:17:32 +05:30
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools ffprobe: Allow unknown format private AVOptions 2020-07-02 19:24:56 +01:00
libavcodec avcodec/tiff: Check input space in dng_decode_jpeg() 2020-07-10 20:27:07 +02:00
libavdevice avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
libavfilter lavfi/setpts: fix setpts/asetpts option dump error 2020-07-12 08:11:42 +08:00
libavformat avformat/sdp: Fix potential write beyond end of buffer 2020-07-10 20:36:31 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avcodec/hevcdec: Add VDPAU to list of supported formats 2020-07-09 20:54:11 -07:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswscale swscale/tests: check return value of sws_scale 2020-07-09 10:33:19 +01:00
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tests tests/dnn/mathunary: fix the issue of NAN 2020-07-09 09:34:44 +08:00
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Changelog avcodec/hevcdec: Add VDPAU to list of supported formats 2020-07-09 20:54:11 -07:00
configure avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
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RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +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 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.