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James Almer db2d52e1ff avcodec/libvpx: fix assembling vp9 packets with alpha channel 
There's no warranty that vpx_codec_encode() will generate a list with the same
amount of packets for both the yuv planes encoder and the alpha plane encoder,
so queueing packets based on what the main encoder returns will fail when the
amount of packets in both lists differ.
Queue all data packets for every vpx_codec_encode() call from both encoders
before attempting to assemble output AVPackets out of them.

Fixes ticket #9884

Reviewed-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 9c7a8a8546)
2022-08-24 10:43:03 -03:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc Update for 5.1 2022-07-16 17:08:26 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg_opt: try to propagate the requested output channel layout 2022-08-24 10:41:59 -03:00
libavcodec avcodec/libvpx: fix assembling vp9 packets with alpha channel 2022-08-24 10:43:03 -03:00
libavdevice avdevice/avdevice: fix return value of avdevice_list_devices() 2022-07-17 22:12:31 +02:00
libavfilter Bump Versions for 5.1 branch 2022-07-13 00:27:37 +02:00
libavformat ipfsgateway: Remove default gateway 2022-08-15 20:38:08 +01:00
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libswresample swresample/swresample: fill the correct buffer to print the output layout string 2022-08-21 17:51:18 -03:00
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RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.0 2022-07-20 18:24:16 +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 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.