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Andreas Rheinhardt 1101cf30ec swscale/utils: Fix invalid left shifts of negative numbers 
Affected the FATE-tests vsynth_lena-dv-411, vsynth1-dv-411,
vsynth2-dv-411 and hevc-paramchange-yuv420p.yuv420p10.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e2646e23be)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-07-01 22:29:20 +02:00
compat
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doc Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
ffbuild
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fftools fftools/ffmpeg_opt: Fix signed integer overflow 2020-07-01 22:19:39 +02:00
libavcodec avcodec/exr: Fix undefined left shifts of negative numbers 2020-07-01 22:28:15 +02:00
libavdevice Bump minor versions for branching 4.1 2018-11-02 00:15:32 +01:00
libavfilter avfilter/vf_geq: Use av_clipd() instead of av_clipf() 2020-01-06 11:30:43 +01:00
libavformat avformat/movenc: Fix undefined shift 2020-07-01 22:27:58 +02:00
libavresample
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libavutil avutil/encryption_info: Don't pass NULL to memcpy 2020-07-01 22:25:36 +02:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2019-01-21 07:53:26 +01:00
libswresample Bump minor versions for branching 4.1 2018-11-02 00:15:32 +01:00
libswscale swscale/utils: Fix invalid left shifts of negative numbers 2020-07-01 22:29:20 +02:00
presets
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tests avcodec/fitsdec: Use lrint() 2020-01-06 15:03:15 +01:00
tools tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure 2020-01-06 11:30:42 +01:00
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Changelog Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
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RELEASE Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
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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.