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James Almer 3921eed398 avcodec/av1_metadata: filter parameter sets in packet side data 
Extradata included in packet side data is meant to replace the codec context
extradata. So when muxing for example to MP4 without this change and if
extradata is present in a packet side data, the result will be that the
parameter sets present in keyframes will be filtered, but the parameter sets
ultimately included in the av1C box will not.

This is especially important for AV1 as both currently supported encoders don't
export the Sequence Header in the codec context extradata, but as packet side
data instead.

Signed-off-by: James Almer <jamrial@gmail.com>
2020-05-03 11:38:03 -03:00
compat compat/avisynth: remove avisynth headers 2020-04-05 01:17:55 +02:00
doc avcodec/prores_metadata_bsf: add arib-std-b67 format support 2020-05-03 05:28:33 +08:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools fftools/ffmpeg: use a bsf list instead of individual bsfs 2020-05-02 19:14:08 +02:00
libavcodec avcodec/av1_metadata: filter parameter sets in packet side data 2020-05-03 11:38:03 -03:00
libavdevice avfoundation: Fix building on iOS 2020-04-30 14:21:47 +02:00
libavfilter s->target_i and global are in dB but s->target_tp and true_peak are 2020-05-01 21:36:07 -07:00
libavformat avformat/matroskaenc: Check mimetypes earlier 2020-05-03 14:14:06 +02:00
libavresample
libavutil avutil/opt: only skip evaluation for rational options 2020-05-01 17:22:58 +02:00
libpostproc libavcodec, libpostproc: Remove outcommented START/STOP_TIMER 2020-03-14 18:24:04 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale swscale/vscale: Increase type strictness 2020-04-27 23:34:31 +02:00
presets
tests fftools/ffprobe: show closed caption info in the stream dump 2020-05-02 19:14:08 +02:00
tools tools: fix const specifier for AVInputFormat 2020-04-30 10:25:32 +01:00
.gitattributes
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: fix 3-address entries 2020-03-31 04:14:14 -05:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avfilter: add asubboost filter 2020-04-30 12:18:36 +02:00
configure configure: enable ffnvcodec, nvenc, nvdec for aarch64 2020-04-23 12:44:42 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself to the general developers list 2020-04-29 16:39:16 +02:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +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.