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Andreas Rheinhardt a7e54196cc avcodec/cbs: Only write extradata if there is something to write It is e.g. legal for an ISOBMFF avcc to contain zero parameter sets. In this case the annex B that we produce would be empty and therefore useless. This happens e.g. with mov/frag_overlap.mp4 from the FATE-suite. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>		2022-09-25 14:53:49 +02:00
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doc	avcodec/h264_redundant_pps_bsf: Don't remove PPS	2022-09-25 14:53:45 +02:00
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libavcodec	avcodec/cbs: Only write extradata if there is something to write	2022-09-25 14:53:49 +02:00
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libavformat	avformat/matroskadec: Error out if a timestamp is beyond duration	2022-09-24 18:29:43 +02:00
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libswscale	swscale/output: Don't call av_pix_fmt_desc_get() in a loop	2022-09-19 23:40:41 +02:00
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tests	x86/tx_float: add 15xN PFA FFT AVX SIMD	2022-09-23 12:35:27 +02:00
tools	tools/target_dec_fuzzer: Adjust threshold for Jpeg2000	2022-09-16 21:30:59 +02:00
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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 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.