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Merge commit '3e105d08848162b90d886bde59c010d4b0362a4b' 		8 years ago
compat Merge commit '3794062ab1a13442b06f6d76c54dce51ffa54697' 8 years ago
doc doc/APIchanges: Fill in missing fields 8 years ago
libavcodec avcodec/aacenc_ltp: fix use of uninitialized values 8 years ago
libavdevice Merge commit '4a1ef543983b7480e2822f6ac281ba361d1f893d' 8 years ago
libavfilter avfilter/vf_framerate: always request input if no output is provided in request_frame 8 years ago
libavformat Merge commit '9265364bec0af2e8b7c3a6de7bfc8291a0b70bca' 8 years ago
libavresample Merge commit 'a1d9de304fe63614e3aa8117fef17491fa80093d' 8 years ago
libavutil x86/float_dsp: add ff_vector_fmul_reverse_avx2 8 years ago
libpostproc Bump versions for master after 3.3 8 years ago
libswresample Bump versions for master after 3.3 8 years ago
libswscale lsws/utils: Make gray10 and gray12 full-scale like gray8 and gray16. 8 years ago
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tests tests: Fix gray10 and gray12 references after c1616b45. 8 years ago
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Changelog Changelog: fix position of VAAPI MPEG-2/VP8 encode entry 8 years ago
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cmdutils.c avformat, ffmpeg: deprecate old rotation API 8 years ago
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ffmpeg.c ffmpeg: use av_stream_new_side_data() in init_output_stream 8 years ago
ffmpeg.h avformat, ffmpeg: deprecate old rotation API 8 years ago
ffmpeg_cuvid.c ffmpeg_cuvid: adapt for recent filter graph initialization changes 8 years ago
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ffmpeg_filter.c ffmpeg: Remove hw_device_ctx output filter reinit hack 8 years ago
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ffmpeg_qsv.c ffmpeg: init filtergraphs only after we have a frame on each input 8 years ago
ffmpeg_vaapi.c ffmpeg_vaapi: Always set hwaccel_ctx, so it gets properly cleaned up on error 8 years ago
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ffmpeg_videotoolbox.c ffmpeg_videotoolbox: fix usage of av_get_codec_tag_string() 8 years ago
ffplay.c ffplay: change keyboard volume control to logarithmic 8 years ago
ffprobe.c ffprobe: only use custom logging callback if -show_log is set 8 years ago
ffserver.c ffserver: local OOB write with custom program name 8 years ago
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL 8 years ago
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact 8 years ago
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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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.