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FFmpeg git repo
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Muhammad Faiz 3caecf7ce8 avcodec: do not use init_static_data on some codecs 
They don't modify AVCodec, no needs to call it at register. They will be
wasteful if these codecs are unused. Instead, call static data initialization
at codecs' init.

Benchmark:
old: 51281340 decicycles in avcodec_register_all,       1 runs,      0 skips
new:  6738960 decicycles in avcodec_register_all,       1 runs,      0 skips

Reviewed-by: wm4 <nfxjfg@googlemail.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
2018-02-04 06:11:07 +07:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc avformat/http: add referer option into http 2018-02-01 10:56:51 +08:00
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fftools ffprobe: remove usage of deprecation warning removal pragmas 2018-02-02 17:51:24 -03:00
libavcodec avcodec: do not use init_static_data on some codecs 2018-02-04 06:11:07 +07:00
libavdevice avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
libavfilter avfilter/af_join: Fix crash in join filter 2018-02-03 21:37:19 +01:00
libavformat avformat/hls: store referer message in HLS http request 2018-02-01 10:57:29 +08:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil Merge commit '85e10c0a9321bfe0d2afe0f3983ab6a8df6e3fba' 2018-01-25 22:45:45 +00:00
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tools fftools, tools, examples: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
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RELEASE

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.