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Justin Ruggles c75dfa0435 movenc: add movie_timescale option instead of hardcoding 1000 There are cases where using 1000 as the MP4 timescale is not accurate enough, for example when one needs sample-accurate audio handling. This adds a new AVOption to the MOV/MP4 muxer to override the movie timescale, but it still defaults to 1000 to maintain current default behavior. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>		2021-05-04 15:32:26 +02:00
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fftools	ffmpeg: stop accessing private AVStream.codec_info_nb_frames	2021-05-02 00:44:19 -03:00
libavcodec	avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent	2021-05-03 21:34:22 +02:00
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libavformat	movenc: add movie_timescale option instead of hardcoding 1000	2021-05-04 15:32:26 +02:00
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tests	tests/image: remove colorspace conversion from jpegls tests	2021-05-03 18:32:01 -03:00
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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.