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hwcontext_vulkan: use all enabled queues for transfers, make uploads async
This commit makes full use of the enabled queues to provide asynchronous
uploads of images (downloads remain synchronous).
For a pure uploading use cases, the performance gains can be significant.
2020-05-23 19:07:36 +01:00
compat compat/avisynth: remove avisynth headers 2020-04-05 01:17:55 +02:00
doc hwcontext: add av_hwdevice_ctx_create_derived_opts 2020-05-23 19:07:26 +01:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools Stop hardcoding align=32 in av_frame_get_buffer() calls. 2020-05-22 14:38:57 +02:00
libavcodec avcodec/xiph: Return better error codes 2020-05-23 07:07:36 +02:00
libavdevice avdevice/v4l2enc: Allow writing non-rawvideos to v4l2. 2020-05-09 15:44:43 +01:00
libavfilter lavfi: add untile filter. 2020-05-23 15:52:27 +02:00
libavformat oggdec: remove the oggparsedaala subdemuxer 2020-05-23 19:07:20 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil hwcontext_vulkan: use all enabled queues for transfers, make uploads async 2020-05-23 19:07:36 +01:00
libpostproc libavcodec, libpostproc: Remove outcommented START/STOP_TIMER 2020-03-14 18:24:04 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale swscale: aarch64: Add a NEON implementation of interleaveBytes 2020-05-15 23:38:17 +03:00
presets
tests lavfi: add untile filter. 2020-05-23 15:52:27 +02:00
tools lavc: rename bsf.h to bsf_internal.h 2020-05-22 14:38:57 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
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.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog lavfi: add untile filter. 2020-05-23 15:52:27 +02:00
configure avcodec: Add MediaFoundation encoder wrapper 2020-05-19 21:34:04 +03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
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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 oggdec: remove the oggparsedaala subdemuxer 2020-05-23 19:07:20 +01:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00

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.