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James Almer 45a2902976 avutil/buffer: free all pooled buffers immediately after uninitializing the pool 
No buffer will be fetched from the pool after it's uninitialized, so there's
no benefit from waiting until every single buffer has been returned to it
before freeing them all.
This should free some memory in certain scenarios, which can be beneficial in
low memory systems.

Based on a patch by Jonas Karlman.

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: James Almer <jamrial@gmail.com>
 		2021-02-24 10:45:30 -03:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc ffprobe: stop printing deprecated fields 2021-02-22 11:14:29 +01:00
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools ffprobe: stop setting AVCodecContext.framerate 2021-02-22 11:14:40 +01:00
libavcodec avcodec/rv34data: Remove rv34_dquant_tab 2021-02-24 09:52:40 +01:00
libavdevice avdevice/avdevice: Deprecate AVDevice Capabilities API 2021-02-14 21:07:57 +01:00
libavfilter avfilter/af_afade: remove uneeded '.' from durations in options 2021-02-21 13:42:40 +01:00
libavformat avformat/asf: Move ff_asf_audio_conceal_none to its only user 2021-02-24 08:17:50 +01:00
libavresample
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libavutil avutil/buffer: free all pooled buffers immediately after uninitializing the pool 2021-02-24 10:45:30 -03:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale swscale/x86/swscale: Remove unused ASM constants 2021-02-24 09:47:54 +01:00
presets
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tests ffprobe: stop printing deprecated fields 2021-02-22 11:14:29 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for wavpack 2021-02-16 19:02:24 +01:00
.gitattributes
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.gitignore
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.mailmap mailmap: add entry for myself 2020-07-13 11:24:04 +08:00
.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 avformat: add Simbiosis IMX demuxer 2021-02-20 17:43:17 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile tools/enum_options: fix build and add to Makefile 2020-11-20 15:20:24 +01:00
README.md
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RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +02:00
configure avformat/isom: Split movaudio/movvideo tags off into a separate file 2021-02-23 10:14:26 +01:00

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 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.