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Simone Karin Lehmann b67572c7c7 lavc/videotoolboxenc: Speed/Quality prioriry setting Add options to h264, hevc and prores encoders to prioritize speed. Speeds up encoding by 50% - 70% Signed-off-by: Simone Karin Lehmann <simone@lisanet.de> Signed-off-by: Rick Kern <kernrj@gmail.com>		2022-05-02 08:10:22 -07:00
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doc	doc/examples/transcode_aac: Bump date	2022-05-02 15:01:15 +05:30
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libavcodec	lavc/videotoolboxenc: Speed/Quality prioriry setting	2022-05-02 08:10:22 -07:00
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libavfilter	avfilter/vf_overlay: improve premultiplied alpha overlay for YUV	2022-05-01 20:02:24 +02:00
libavformat	movenc: add write_btrt option	2022-05-02 21:02:43 +08:00
libavutil	avutil/hwcontext_videotoolbox: create real buffer pool	2022-04-29 17:27:37 +08:00
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tests	avformat/movenc: sidx earliest_presentation_time is applied after editlist	2022-04-29 17:22:52 +08:00
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Changelog	lavfi: Add blurdetect filter	2022-04-25 20:52:15 +02:00
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configure	lavfi: add vf_iccdetect for parsing ICC profiles	2022-04-23 21:51:55 +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 means to alter decoded audio and video through a directed graph of connected 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.