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Andreas Rheinhardt 14407e84b9 avcodec/v410enc: Avoid copying packet data, allow user-supplied buffers 
When the packet size is known in advance like here, one can avoid
an intermediate buffer for the packet data by using
ff_get_encode_buffer() and also set AV_CODEC_CAP_DR1 at the same time.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-05-05 14:17:03 +02:00
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doc ffprobe: add option to control optional fields display 2021-05-05 15:04:54 +05:30
ffbuild libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
fftools ffprobe: add option to control optional fields display 2021-05-05 15:04:54 +05:30
libavcodec avcodec/v410enc: Avoid copying packet data, allow user-supplied buffers 2021-05-05 14:17:03 +02:00
libavdevice avdevice: Constify all devices 2021-04-27 11:48:05 -03:00
libavfilter avfilter/vf_identity: fix typo 2021-05-01 08:45:30 +08:00
libavformat avformat/mvdec: Check sample rate in parse_audio_var() 2021-05-04 17:55:24 +02:00
libavutil avutil/mem: Also poison new av_realloc-allocated blocks 2021-04-30 10:24:32 +02:00
libpostproc Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswresample Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswscale Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
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tests tests/image: remove colorspace conversion from jpegls tests 2021-05-03 18:32:01 -03:00
tools avfilter/dnn/dnn_backend_tf: simplify the code with ff_hex_to_data 2021-04-29 20:02:29 +08:00
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configure configure: fix vulkan dep for libglslang based filters 2021-04-29 21:58:32 -03:00
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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 a mean to alter decoded Audio and Video through chain of 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.