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Alexander Strasser ecd71916d1 lavc/aac_ac3_parser: fix potential overflow when averaging bitrate 
The new code is analog to how it's done in our mpegaudio parser.

Acked-by: Jun Zhao <barryjzhao@tencent.com>
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
2020-08-12 17:35:38 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc doc/general: mark that CFHD have encoder now 2020-08-11 12:34:41 +02:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools fftools/ffmpeg: make specifying thread_queue_size turn on threaded input 2020-07-29 23:10:12 +02:00
libavcodec lavc/aac_ac3_parser: fix potential overflow when averaging bitrate 2020-08-12 17:35:38 +02:00
libavdevice kmsgrab: Add more supported formats 2020-08-09 20:18:49 +01:00
libavfilter dnn: add backend options when load the model 2020-08-12 15:43:40 +08:00
libavformat lavf/url: rewrite ff_make_absolute_url() using ff_url_decompose(). 2020-08-12 16:45:21 +02:00
libavresample
libavutil avutil/channel_layout: add 22.2 layout 2020-08-04 00:17:56 +03:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample swresample/rematrix: treat 22.2 as 5.1 (back) when mixing 2020-08-04 00:17:56 +03:00
libswscale swscale: do not drop half of bits from 16bit bayer formats 2020-08-08 12:03:42 +02:00
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tests lavc/aac_ac3_parser: fix potential overflow when averaging bitrate 2020-08-12 17:35:38 +02:00
tools dnn_backend_native_layer_mathunary: add round support 2020-08-12 10:30:46 +08:00
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Changelog avformat: add argo_asf muxer 2020-08-07 23:14:28 +10:00
configure kmsgrab: Use GetFB2 if available 2020-08-09 20:18:48 +01:00
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README.md
RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +02:00

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.