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Valerii Zapodovnikov 91ba771a3f avformat/mxfdec: fixed jp2k_rsiz and 170M matrix 
Again. 240M matrix is different from BT.601! And 170M is the same
as BT.601. It is primaries that are the same in 240M and 170M, as
for jp2k_rsiz see page 17 of ST 422:2019. IT WAS THERE since 2006.
This wrong jp2k_rsiz is a copy-paste of header_open_partition_key.
2021-06-13 22:04:14 +02:00
compat fix broken links to msdn documentation 2021-05-13 09:13:03 +10:00
doc doc/demuxers: note defaults for apng options 2021-06-13 17:07:37 +05:30
ffbuild libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
fftools ffmpeg: silence a thread_safe_callbacks deprecation warning 2021-06-10 21:57:44 -03:00
libavcodec avcodec/faxcompr: Check available bits in decode_uncompressed() 2021-06-12 14:22:42 +02:00
libavdevice avdevice/libcdio: fix AVStream.cur_dts usage 2021-06-09 13:55:25 -03:00
libavfilter lavfi/dnn: Fill Task using Common Function 2021-06-12 15:18:58 +08:00
libavformat avformat/mxfdec: fixed jp2k_rsiz and 170M matrix 2021-06-13 22:04:14 +02:00
libavutil avutil/samplefmt: don't add offsets to NULL pointers 2021-06-13 16:10:37 -03:00
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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.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat: add Argonaut Games CVG muxer 2021-05-12 20:27:02 +10:00
configure configure: detect nvcc without sm_30 support 2021-06-06 21:31:00 +02:00
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INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
Makefile libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
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.