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Andreas Rheinhardt 20f9727018 avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 
Up until now, codec.h contains both public and private parts
of AVCodec. This exposes the internals of AVCodec to users
and leads them into the temptation of actually using them
and forces us to forward-declare structures and types that
users can't use at all.

This commit changes this by adding a new structure FFCodec to
codec_internal.h that extends AVCodec, i.e. contains the public
AVCodec as first member; the private fields of AVCodec are moved
to this structure, leaving codec.h clean.

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-03-21 01:33:09 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc doc/APIchanges: update for the new channel layout API 2022-03-19 15:55:51 +01:00
ffbuild Fix libversion.sh for split version headers, to unbreak shared library builds 2022-03-17 11:11:17 +02:00
fftools ffplay: don't shadow global variable 2022-03-21 00:48:30 +01:00
libavcodec avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 2022-03-21 01:33:09 +01:00
libavdevice Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libavfilter avfilter/x86/vf_blend: use unaligned movs for output 2022-03-21 00:50:44 +01:00
libavformat avformat/hls: add AVFMT_NO_BYTE_SEEK flag 2022-03-21 00:48:30 +01:00
libavutil avutil/opt: add missing case for AV_OPT_TYPE_CHLAYOUT in av_opt_free() 2022-03-18 18:59:03 -03:00
libpostproc Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libswresample Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
libswscale Keep including the full version.h when headers are included externally 2022-03-19 00:01:57 +02:00
presets
tests avformat/tests: add test for ff_rescale_interval() 2022-03-19 21:34:04 +10:00
tools avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 2022-03-21 01:33:09 +01:00
.gitattributes
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat: add DFPWM raw format 2022-03-10 14:11:12 +01:00
configure avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 2022-03-21 01:33:09 +01:00
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 avformat: add DFPWM raw format 2022-03-10 14:11:12 +01:00
Makefile Makefile: check config_components.h when comparing timestamps in component list files 2022-03-17 18:35:41 -03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.