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Michael Niedermayer c2d1597a8a avformat/aqtitledec: Skip unrepresentable durations 
Fixes: signed integer overflow: -5 - 9223372036854775807 cannot be represented in type 'long'
Fixes: 45665/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-475618463934054

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-03-27 11:59:52 +02:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc doc/examples/muxing: Remove outdated comment 2022-03-25 19:22:55 +01:00
ffbuild Fix libversion.sh for split version headers, to unbreak shared library builds 2022-03-17 11:11:17 +02:00
fftools fftools/opt_cmdutils: fix printing known channel layouts 2022-03-25 08:42:45 -03:00
libavcodec dxva2_hevc: don't use frames as reference if they are not marked as such 2022-03-27 10:00:15 +02:00
libavdevice Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libavfilter avfilter/vf_subtitles: add additional font mime types 2022-03-25 22:46:35 +01:00
libavformat avformat/aqtitledec: Skip unrepresentable durations 2022-03-27 11:59:52 +02:00
libavutil avutil/channel_layout: return earlier on UNSPEC layouts in av_channel_layout_subset() 2022-03-25 17:10:39 -03:00
libpostproc Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libswresample Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libswscale Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
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tests avutil/tests/channel_layout: also test ambisonic layouts in av_channel_layout_subset() 2022-03-25 17:10:39 -03:00
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Changelog avformat: add DFPWM raw format 2022-03-10 14:11:12 +01:00
configure avcodec/bsf: Add FFBitStreamFilter, hide internals of BSFs 2022-03-23 23:45:45 +01:00
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MAINTAINERS avformat: add DFPWM raw format 2022-03-10 14:11:12 +01:00
Makefile Makefile: check config_components.h when comparing timestamps in component list files 2022-03-17 18:35:41 -03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +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 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.