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Andreas Rheinhardt cee40a945a avcodec/mpegvideo_motion: Constify ff_mpv_motion 
Also constify the corresponding code in mpegvideo.c that handles
lowres.
(Unfortunately, not everything that is const could be constified:
ref_picture could be made const uint8_t* const* if C allowed the
safe automatic conversion from uint8_t**; and pix_op, qpix_op
could be made to point to const function pointers, but C's handling
of const in pointers to arrays is broken.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 		2022-08-05 03:04:05 +02:00
compat
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doc lavu/pixfmt: Add packed 4:4:4 format 2022-08-03 14:09:46 -07:00
ffbuild
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fftools ffmpeg_opt: consider HW acceleration method when selecting decoder 2022-08-03 11:10:57 +08:00
libavcodec avcodec/mpegvideo_motion: Constify ff_mpv_motion 2022-08-05 03:04:05 +02:00
libavdevice avdevice/v4l2: fix leak of timefilter 2022-08-03 17:52:25 +08:00
libavfilter avfilter/vf_cropdetect: Remove set-but-unused variable 2022-07-30 22:14:26 +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
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libswresample
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libswscale swscale/rgb2rgb: Don't cast const away 2022-07-31 01:09:52 +02:00
presets
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tests lavu/pixfmt: Add packed 4:4:4 format 2022-08-03 14:09:46 -07:00
tools
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.gitignore
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.mailmap
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.travis.yml
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CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog lavc/vaapi: Declare support for decoding 8bit 4:4:4 content 2022-08-03 14:10:55 -07:00
INSTALL.md
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LICENSE.md
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MAINTAINERS
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Makefile
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README.md
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RELEASE
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configure configure: Add msmpeg4(dec|enc) subsystems 2022-08-03 21:18:25 +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.