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Andreas Rheinhardt 6770057ac9 avcodec/dvenc: Fix undefined left shift of negative numbers 
The earlier code was based on the assumption that AVFrame.linesize can
not be negative.

Fixes ticket #8280.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-10-04 23:36:50 +02:00
compat
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doc avfilter/vf_v360: add mitchell interpolation 2020-10-04 19:23:52 +02:00
ffbuild
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fftools fftools/ffprobe: use av_timecode_make_smpte_tc_string2 2020-09-13 17:51:57 +02:00
libavcodec avcodec/dvenc: Fix undefined left shift of negative numbers 2020-10-04 23:36:50 +02:00
libavdevice avdevice/lavfi: av_malloc -> av_malloc_array 2020-09-21 09:30:55 +08:00
libavfilter avfilter/vf_v360: fix possible out of range values 2020-10-04 19:23:52 +02:00
libavformat avformat/moflex: Check m->size before seeking 2020-10-04 16:54:11 +02:00
libavresample
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libavutil avutil/pixdesc: add missing FF_API_PSEUDOPAL check 2020-10-02 00:18:13 -03:00
libpostproc
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libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale libswcale/input: use more accurate rgbf32 yuv conversions 2020-10-02 14:59:52 +02:00
presets
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tests libswcale/input: use more accurate rgbf32 yuv conversions 2020-10-02 14:59:52 +02:00
tools dnn/native: add native support for dense 2020-09-29 14:19:55 +08:00
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Changelog avformat: add tri-ACE demuxer 2020-10-03 21:50:59 +02:00
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MAINTAINERS MAINTAINERS: remove my public key fingerprint 2020-09-20 15:08:18 -08:00
Makefile tools:target_dem_fuzzer: Split into a fuzzer fuzzing at the protocol level and one fuzzing a fixed demuxer input 2020-09-13 10:40:02 +02:00
README.md
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configure libwavpackenc: remove libwavpackenc wrapper 2020-10-02 17:43:15 +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 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.