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Marton Balint 977fd88419 avfilter/formats: do not allow unknown layouts in ff_parse_channel_layout if nret is not set 
Current code returned the number of channels as channel layout in that case,
and if nret is not set then unknown layouts are typically not supported.

Also use the common parsing code. Use a temporary workaround to parse an
unknown channel layout such as '13c', after a 1 year grace period only '13C'
will work.

Signed-off-by: Marton Balint <cus@passwd.hu>
2017-01-24 23:51:36 +01:00
compat
doc avutil/channel_layout: add av_get_extended_channel_layout 2017-01-24 23:51:36 +01:00
libavcodec lavc/svq3: Fail for media key encryption. 2017-01-24 23:40:13 +01:00
libavdevice
libavfilter avfilter/formats: do not allow unknown layouts in ff_parse_channel_layout if nret is not set 2017-01-24 23:51:36 +01:00
libavformat avformat/hlsenc: improve to write m3u8 head block 2017-01-24 22:25:29 +08:00
libavresample
libavutil avutil/channel_layout: add av_get_extended_channel_layout 2017-01-24 23:51:36 +01:00
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tests avfilter/formats: do not allow unknown layouts in ff_parse_channel_layout if nret is not set 2017-01-24 23:51:36 +01:00
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Changelog avfilter: add EIA-608 line extractor 2017-01-24 10:20:10 +01:00
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ffmpeg_vaapi.c ffmpeg_vaapi: Convert to use hw_frames_ctx only 2017-01-17 23:06:46 +00:00
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ffmpeg.c ffmpeg: pass output stream duration as a hint to the muxer 2017-01-19 01:54:49 +01:00
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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.
  • 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.