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Dmitry Rogozhkin f8a07c4d4a libavcodec/qsvenc: expose only supported options 
vp9, hevc, avc, mpeg2 QSV encoders inherit common list
of options (QSV_COMMON_OPTS) while bunch of options is not
actually supported by current qsv code. The only codec which
supportes everything is avc, followed by hevc, while vp9 and
mpeg2 significantly fall behind. This creates difficulties
for the users to use qsv encoders. This patch fixes options
list for encoders leaving only those which are actually
supported.

Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2022-05-25 15:17:35 +08:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avfilter: Add blockdetect filter 2022-05-24 11:21:36 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg: move processing AV_PKT_DATA_QUALITY_STATS to do_video_stats() 2022-05-24 13:46:57 +02:00
libavcodec libavcodec/qsvenc: expose only supported options 2022-05-25 15:17:35 +08:00
libavdevice avdevice/dshow: reuse unused variables. 2022-05-12 22:06:44 -03:00
libavfilter lavfi/vf_v360: implement output mask for barrelsplit 2022-05-24 13:41:24 +02:00
libavformat Switch uses of av_fopen_utf8 to avpriv_fopen_utf8 2022-05-23 13:52:45 +03:00
libavutil libavutil: Deprecate av_fopen_utf8, provide an avpriv version 2022-05-23 13:52:26 +03:00
libpostproc lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
libswresample lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
libswscale lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
presets
tests checkasm: improve hevc_sao test 2022-05-25 08:04:58 +02:00
tools avcodec/codec_internal: Add FFCodec, hide internal part of AVCodec 2022-03-21 01:33:09 +01:00
.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 avfilter: Add blockdetect filter 2022-05-24 11:21:36 +02:00
configure avformat/movenc: Add support for AVIF muxing 2022-05-13 12:46:21 +05:30
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 avformat/image2: add Jpeg XL as image2 format 2022-04-23 19:51:46 +02:00
Makefile lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
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.