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Carl Eugen Hoyos 406f8d9c9a lavf/movenc: Mention video_track_timescale as option to fix the timescale. 
Smarter improvements for this error message were suggested in the past
but this is certainly an improvement.
2019-01-24 12:52:50 +01:00
compat additional math.h functions for djgpp 2018-11-28 22:16:07 +11:00
doc vaapi_encode: Convert to send/receive API 2019-01-23 23:04:11 +00:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffmpeg_opt: Print a warning if more than one -vf/-af option was specified. 2019-01-15 00:27:05 +01:00
libavcodec vaapi_encode_vp9: Support more complex reference structures 2019-01-23 23:04:12 +00:00
libavdevice lavd/iec61883: Fix the include path for poll.h. 2019-01-16 00:13:49 +01:00
libavfilter libavfilter: add transpose_vaapi filter 2019-01-23 23:29:40 +00:00
libavformat lavf/movenc: Mention video_track_timescale as option to fix the timescale. 2019-01-24 12:52:50 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avcodec/mips: [loongson] optimize put_hevc_qpel_hv_8 with mmi. 2019-01-22 00:46:36 +01:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2018-12-22 17:41:44 +01:00
libswresample Bump minor version for master after 4.1 branchpoint 2018-11-02 00:53:07 +01:00
libswscale swscale/yuv2rgb: Return a more specific error code from ff_yuv2rgb_c_init_tables() 2019-01-01 21:11:47 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
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MAINTAINERS MAINTAINERS: remove myself as hls demuxer maintainer 2018-10-16 01:18:00 +03:00
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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.