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Timo Rothenpieler b710698790 avcodec/nvenc: hardcode color characteristics for internal RGB2YUV conversion 
nvenc does not appear to use these values as inputs for its built in RGB
to YUV conversion, but instead sets them on the output as-is.

Testing indicates the input is expected to be sRGB, with the output
ending up as limited range bt.470.
2022-08-06 22:23:33 +02:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc avfilter/vsrc_ddagrab: make output format user configurable 2022-08-06 15:50:15 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools ffmpeg_opt: consider HW acceleration method when selecting decoder 2022-08-03 11:10:57 +08:00
libavcodec avcodec/nvenc: hardcode color characteristics for internal RGB2YUV conversion 2022-08-06 22:23:33 +02:00
libavdevice avdevice/v4l2: fix leak of timefilter 2022-08-03 17:52:25 +08:00
libavfilter avfilter/vsrc_ddagrab: set sRGB color information on output frames 2022-08-06 22:23:07 +02:00
libavformat lavf/hevc: replace the unicode signal quotation with normal quotation 2022-08-05 00:58:49 +08:00
libavutil avcodec/loongarch/h264chroma, vc1dsp_lasx: Add wrapper for __lasx_xvldx 2022-08-05 02:59:58 +02:00
libpostproc Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswresample Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswscale swscale/input: add VUYA input support 2022-08-05 09:39:21 -03:00
presets
tests avcodec/flacdsp: Split encoder-only parts into a ctx of its own 2022-08-05 03:28:45 +02:00
tools tools/target_dec_fuzzer: set avctx->workaround_bugs flags 2022-07-26 09:15:16 -03:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.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 '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog lavc/vaapi: Declare support for decoding 8bit 4:4:4 content 2022-08-03 14:10:55 -07:00
configure avcodec/flacdsp: Split encoder-only parts into a ctx of its own 2022-08-05 03:28:45 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as maintainer for LoongArch. 2022-06-08 18:29:30 +02:00
Makefile Makefile: Prompt for reconfigure on lavc/hwaccels.h modification 2022-07-01 00:34:38 +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.