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Niklas Haas 7c82e0f61e avfilter/af_loudnorm: correctly initialize PTS 
Right now, the PTS always starts out as 0, which causes problems on a
seek or when inserting this filter mid-stream.

Initialize it instead to AV_NOPTS_VALUE and copy the PTS from the first
frame instead if this is the case.
2018-02-14 18:10:53 +01:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc avcodec/mpeg12enc: add support for specifying video_format in the sequence_display_extension 2018-02-13 00:13:21 +01:00
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libavcodec avcodec/h264_cavlc: Set valid qscale value in ff_h264_decode_mb_cavlc() 2018-02-14 01:06:37 +01:00
libavdevice avdevice/decklink_dec: extract NTSC VANC 2018-02-13 00:13:21 +01:00
libavfilter avfilter/af_loudnorm: correctly initialize PTS 2018-02-14 18:10:53 +01:00
libavformat lavf/rtpdec*: Constify all RTPDynamicProtocolHandler. 2018-02-14 01:14:35 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/opt: remove ABI hacks 2018-02-13 04:46:04 +01:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample lswr/rematrix: Support s32p. 2017-11-01 01:04:43 +01:00
libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +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.
  • 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.