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Fei Wang 8aab15a91d cbs_av1: fix incorrect data type 
Since order_hint_bits_minus_1 range is 0~7, cur_frame_hint can be
most 128. And similar return value for cbs_av1_get_relative_dist.
So if plus them and use int8_t for the result may lose its precision.

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
(cherry picked from commit e7ff5722b1)
2021-12-28 20:04:52 +01:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc Update for 4.4.1 2021-09-08 22:45:01 +02:00
ffbuild ffbuild: Avoid using the --preprocessor argument to windres 2021-06-24 23:25:30 +03:00
fftools fftools/ffmpeg: Fix crash when flushing non-fully setup output stream 2021-10-08 11:31:37 -03:00
libavcodec cbs_av1: fix incorrect data type 2021-12-28 20:04:52 +01:00
libavdevice Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
libavfilter avfilter/scale_npp: fix non-aligned output frame dimensions 2021-10-07 18:18:04 +02:00
libavformat avformat/matroskadec: Reset state also on failure in matroska_reset_status() 2021-10-21 19:21:14 +02:00
libavresample
libavutil avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results 2021-10-21 19:21:14 +02:00
libpostproc Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
libswresample libswresample/audioconvert: Fix undefined NULL + 0 2021-04-02 21:39:54 +02:00
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 2021-03-19 15:35:35 -03:00
README.md
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RELEASE_NOTES Update missed irc links 2021-06-18 20:53:56 +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.