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Leo Izen 719a93f4e4 avutil/{color_utils, csp}: merge color_utils into csp and expose API 
libavutil/color_utils contains some avpriv_ symbols that map
enum AVTransferCharacteristic values to gamma-curve approximations and
to the actual transfer functions to invert them (i.e. -> linear).

There's two issues with this:
(1) avpriv is evil and should be avoided whenever possible
(2) libavutil/csp.h exposes a public API for handling color that
    already handles primaries and matricies

I don't see any reason this API has to be private, so this commit takes
the functionality from avutil/color_utils and merges it into avutil/csp
with an exposed av_ API rather than the previous avpriv_ API.

Every reference to the previous API has been updated to point to the
new one. color_utils.h has been deleted as well. This should not break
any applications as it only contained avpriv_ symbols in the first
place, so nothing in that header could be referenced by other
applications.

Signed-off-by: Leo Izen <leo.izen@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-02-09 15:35:14 +01:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc avutil/{color_utils, csp}: merge color_utils into csp and expose API 2023-02-09 15:35:14 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools avformat: remove FF_API_AVSTREAM_CLASS 2023-02-09 15:35:14 +01:00
libavcodec avutil/{color_utils, csp}: merge color_utils into csp and expose API 2023-02-09 15:35:14 +01:00
libavdevice avdevice: remove FF_API_DEVICE_CAPABILITIES 2023-02-09 15:35:14 +01:00
libavfilter avfilter: remove FF_API_PAD_COUNT 2023-02-09 15:35:14 +01:00
libavformat avutil/{color_utils, csp}: merge color_utils into csp and expose API 2023-02-09 15:35:14 +01:00
libavutil avutil/{color_utils, csp}: merge color_utils into csp and expose API 2023-02-09 15:35:14 +01:00
libpostproc postproc/postprocess_template: Fix alignment 2022-11-09 17:39:00 +01:00
libswresample x86: replace explicit REP_RETs with RETs 2023-02-01 04:23:55 +01:00
libswscale sws/utils.c: Do not uselessly call initFilter() when unscaling 2023-02-08 15:53:55 +01:00
presets
tests ffprobe: report the corrupt flag on packets 2023-02-09 12:45:53 +01:00
tools avcodec: Make avcodec_decode_subtitle2 accept a const AVPacket* 2023-02-09 15:24:15 +01:00
.gitattributes
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.travis.yml
Changelog fftools/ffmpeg: add an option for writing pre-muxing stats 2023-02-09 15:24:15 +01:00
configure avformat/avformat: Move AVOutputFormat internals out of public header 2023-02-09 15:24:15 +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 lavc: deprecate CrystalHD decoders 2023-02-04 13:12:28 +01:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +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.