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Haihao Xiang 7c713ab42c configure: fix the check for MFX_CODEC_VP9 
The data structures for VP9 in mfxvp9.h is wrapped by
MFX_VERSION_NEXT, which means those data structures have never been used
in a public release. Actually MFX_CODEC_VP9 and other VP9 stuffs are
added in mfxstructures.h. In addition, mfxdefs.h is included in
mfxvp9.h, so we may use the check in this patch for MFX_CODEC_VP9

This is in preparation for oneVPL support because mfxvp9.h is removed
from oneVPL [1]

[1]: https://github.com/oneapi-src/oneVPL
 		2022-08-12 10:43:39 +08:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc doc/filters: clarify behaviour of weights in amix 2022-08-09 13:59:29 +05:30
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg: move handling corrupt packets to the input thread 2022-08-08 16:20:58 +02:00
libavcodec avcodec/mpegvideo: Move setting mb_height to ff_mpv_init_context_frame 2022-08-10 18:49:35 +02:00
libavdevice avdevice/v4l2: fix leak of timefilter 2022-08-03 17:52:25 +08:00
libavfilter avfilter/framesync: add a new option to set how to sync streams based on secondary input timestamps 2022-08-10 09:15:37 -03:00
libavformat avformat/mov: Rework the AVIF parser to handle multiple items 2022-08-09 13:15:55 -07:00
libavutil avutil/buffer: Never poison returned buffers 2022-08-10 18:49:35 +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/output: fix reading chroma values when generating vuya output 2022-08-08 09:39:33 -03:00
presets
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tests avcodec/wmv2dec: Zero mb_type array for I pictures 2022-08-10 18:49:35 +02:00
tools tools/target_dec_fuzzer: set avctx->workaround_bugs flags 2022-07-26 09:15:16 -03:00
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
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CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.LGPLv2.1
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CREDITS
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Changelog lavc/vaapi_encode: enable 8bit 4:4:4 encoding for HEVC and VP9 2022-08-09 09:22:49 -07:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: Add ED25519 key for signing my commits in the future 2022-08-09 21:57:31 +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
configure configure: fix the check for MFX_CODEC_VP9 2022-08-12 10:43:39 +08:00

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.