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Michael Niedermayer e681f720f8 Update for FFmpeg 4.3.4 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>		2022-04-06 20:40:59 +02:00
compat	compat/cuda/ptx2c: remove shell loop; fix BSD sed compat	2020-06-01 22:10:41 -05:00
doc	Update for FFmpeg 4.3.4	2022-04-06 20:40:59 +02:00
ffbuild	…
fftools	fftools/ffplay: do not write out of rdft visualization texture	2021-03-28 01:14:33 +01:00
libavcodec	avcodec/diracdec: avoid signed integer overflow in global mv	2022-04-06 20:38:06 +02:00
libavdevice	Bump minor versions to separate 4.3 from master	2020-06-08 22:49:04 +02:00
libavfilter	avfilter/vf_subtitles: pass storage size to libass	2022-04-06 20:38:06 +02:00
libavformat	avformat/aqtitledec: Skip unrepresentable durations	2022-04-06 20:38:06 +02:00
libavresample	…
libavutil	avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results	2021-10-21 15:25:55 +02:00
libpostproc	Bump minor versions to separate 4.3 from master	2020-06-08 22:49:04 +02:00
libswresample	swresample/audioconvert: Fix left shift of negative value	2021-02-27 07:20:58 +01:00
libswscale	swscale/alphablend: Fix slice handling	2021-10-06 14:41:42 +02:00
presets	…
tests	avformat/url: add ff_make_absolulte_url2 to be able to test windows path cases	2021-04-08 17:49:26 +02:00
tools	tools/cws2fws: Check read() for failure	2021-10-06 14:41:41 +02:00
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Changelog	Update for FFmpeg 4.3.4	2022-04-06 20:40:59 +02:00
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RELEASE	Update for FFmpeg 4.3.4	2022-04-06 20:40:59 +02:00
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configure	configure: Add missing libshine->mpegaudioheader dependency	2022-01-06 08:44:13 +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.