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James Almer 252ef2329a avcodec/cbs_av1: keep separate reference frame state for reading and writing 
In scearios where a Temporal Unit is written right after reading it using the same
CBS context (av1_metadata, av1_frame_merge, etc), the reference frame state used
by the writer must not be the state that's the result of the reader having already
parsed the current frame in question.

This fixes writing Switch frames, and frames using short ref signaling.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 4e2bef6a82)
2019-11-19 23:37:49 -03:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
doc Update for 4.2.1 2019-09-06 23:23:41 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
fftools ffplay: properly detect all window size changes 2019-08-14 22:07:32 +02:00
libavcodec avcodec/cbs_av1: keep separate reference frame state for reading and writing 2019-11-19 23:37:49 -03:00
libavdevice Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libavfilter lavfi/vf_thumbnail_cuda: fix operator precedence bug 2019-07-30 15:18:31 +02:00
libavformat aformat/movenc: add missing padding to output track extradata 2019-09-26 16:02:39 -03:00
libavresample
libavutil Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libpostproc Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswresample Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswscale Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
presets
tests compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
tools tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure 2019-07-21 12:33:35 +02:00
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.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Update for 4.2.1 2019-09-06 23:23:41 +02:00
configure configure: cuda_llvm: fix include path for MSYS2 2019-08-05 23:00:29 +02:00
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LICENSE.md LICENSE: Clarify --enable-nonfree. 2019-05-10 01:18:58 +02:00
MAINTAINERS MAINTAINERS: remove myself as mailing list maintainer 2019-03-21 11:34:13 -08:00
Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
README.md
RELEASE Update for 4.2.1 2019-09-06 23:23:41 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 2019-07-21 18:58:41 +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.