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Haihao Xiang 943a42fc54 lavc/qsvenc: make sure continuous allocation 
Intel MediaSDK and oneVPL expect continuous allocation for data[i],
however there are mandatory padding bytes between data[i] and data[i+1].
when calling av_frame_get_buffer. This patch removes all extra padding
bytes.

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2023-05-25 09:04:13 +08:00
compat
doc lavfi/vf_libplacebo: update peak detection options 2023-05-22 10:31:51 +02:00
ffbuild
fftools fftools/ffmpeg_dec: rename decode_video() to video_frame_process() 2023-05-22 17:10:44 +02:00
libavcodec lavc/qsvenc: make sure continuous allocation 2023-05-25 09:04:13 +08:00
libavdevice avdevice/opengl_enc: check sscanf return value 2023-05-22 20:08:55 +02:00
libavfilter lavfi/vf_libplacebo: fix crop expr PTS calculation 2023-05-24 14:39:40 +02:00
libavformat avformat/wavdec: Check that smv block fits in available space 2023-05-22 02:49:58 +02:00
libavutil avutil/mathematics: add missing constants 2023-05-19 17:10:58 -03:00
libpostproc
libswresample
libswscale swscale/ppc: remove hScale8To19_vsx 2023-05-20 20:07:18 +02:00
presets
tests fate/tests/ffmpeg: use -idct simple for fate-ffmpeg-input-r 2023-05-23 13:54:10 +02:00
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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.