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Anton Khirnov ee2a8cbfd1 fftools/ffmpeg_enc: move encoding to a separate thread 
As for the analogous decoding change, this is only a preparatory step to
a fully threaded architecture and does not yet make encoding truly
parallel. The main thread will currently submit a frame and wait until
it has been fully processed by the encoder before moving on. That will
change in future commits after filters are moved to threads and a
thread-aware scheduler is added.

This code suffers from a known issue -  if an encoder with a sync queue
receives EOF it will terminate after processing everything it currently
has, even though the sync queue might still be triggered by other
threads. That will be fixed in following commits.
2023-12-12 08:24:18 +01:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc examples/transcode: fix log message 2023-12-12 00:35:49 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffmpeg_enc: move encoding to a separate thread 2023-12-12 08:24:18 +01:00
libavcodec lavc/aacencdsp: R-V V abs_pow34 2023-12-11 18:42:07 +02:00
libavdevice lavd/avfoundation: Use correct preprocessing directive 2023-12-11 18:38:09 +01:00
libavfilter avfilter/select: initialize prev_selected_n to NAN 2023-12-10 09:29:50 +05:30
libavformat avformat/webpenc: Write correct size for single images when unseekable 2023-12-09 06:29:42 +01:00
libavutil hwcontext_vulkan: guard unistd.h include 2023-12-11 16:36:56 +01:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswscale riscv: test for assembler support 2023-12-08 17:21:09 +02:00
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Changelog avfilter: add Affine Projection adaptive audio filter 2023-11-28 15:40:34 +01:00
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CONTRIBUTING.md
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INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
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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.