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Linjie Fu ebee808595 lavc/qsvenc: add support for external bitrate control for HEVC 
Enables option for hevc_qsv encoder:
    -extbrc

Improvements in BD-Rate could be observed with extbrc on.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Zhong Li <zhongli_dev@126.com>
 		2020-02-18 10:27:54 +08:00
compat compat/os2threads: define INCL_DOSERRORS 2020-02-15 18:25:51 +01:00
doc avformat/dashenc: add Trick Mode support for AdaptationSets 2020-02-16 14:02:38 -03:00
ffbuild
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fftools fftools/ffmpeg: Fix integer overflow in duration computation in seek_to_start() 2020-02-16 15:13:20 +01:00
libavcodec lavc/qsvenc: add support for external bitrate control for HEVC 2020-02-18 10:27:54 +08:00
libavdevice lavd/avfoundation.m: Add an option to drop late frames. 2020-02-07 11:09:20 +01:00
libavfilter lavfi/vf_scale_qsv: fix the class_name in help for scale_qsv 2020-02-18 10:27:02 +08:00
libavformat avformat/dashenc: warn if Producer Reference Time element option is missing when ldash mode is used 2020-02-17 12:44:18 -03:00
libavresample
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libavutil avutil/hwcontext_d3d11va: Use secure dlopen. 2020-02-15 23:53:54 +11:00
libpostproc Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale libswscale/x86/yuv2rgb: add ssse3 version 2020-02-10 15:08:33 +01:00
presets
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tests avformat/utils: make av_url_split search for hashmark as well to separate hostname 2020-02-15 18:41:36 +01:00
tools tools/target_dec_fuzzer: limit per frame samples for APE 2020-01-30 19:59:10 +01:00
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Changelog avcodec: add cdtoons decoder 2020-02-15 10:55:33 +01:00
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MAINTAINERS MAINTAINERS: Add myself as libzmq maintainer 2020-02-15 18:25:51 +01:00
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configure avfilter: add pad opencl filter 2020-02-14 09:59:27 +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.