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Andreas Rheinhardt 916f016741 avcodec/dxvenc: Fix data races with slice threading 
The old code set a common struct from each thread;
this only "worked" (but is still UB) because the values
written are the same for each thread.
Fix this by moving the assignments to the main thread.

(This also avoids casting const away from a const AVFrame*.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 		2024-01-28 10:52:24 +01:00
compat
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doc doc/muxers: add MPEG-1/2 muxers section 2024-01-24 00:20:03 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffmpeg_filter: do not end filtering when a graph input EOFs 2024-01-27 09:24:29 +01:00
libavcodec avcodec/dxvenc: Fix data races with slice threading 2024-01-28 10:52:24 +01:00
libavdevice Revert "all: Don't set AVClass.item_name to its default value" 2024-01-20 10:34:48 +01:00
libavfilter libavfilter/vf_dnn_detect: Use class confidence to filt boxes 2024-01-28 11:18:13 +08:00
libavformat avformat/mxfenc: remove unused variables 2024-01-25 11:06:55 -05:00
libavutil avutil/hwcontext_d3d12va: Use av_image_copy() wrapper 2024-01-24 15:48:54 +01:00
libpostproc
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libswresample swr/swresample: avoid reapplication of firstpts 2023-12-18 15:47:04 +05:30
libswscale riscv: test for assembler support 2023-12-08 17:21:09 +02:00
presets
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tests tests/fate/ffmpeg: add a test for the issue fixed in previous commit 2024-01-27 09:24:29 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for QPEG 2023-12-29 01:15:41 +01:00
.gitattributes
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.gitignore
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.mailmap
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.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 lavc/dxvenc: add DXV encoder with support for DXT1 texture format 2024-01-23 21:31:22 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: add my new PGP key 2024-01-10 23:07:28 -05:00
Makefile configure: Add a --disable-version-tracking option 2023-12-21 11:00:34 +02:00
README.md
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RELEASE
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configure lavc/dxvenc: add DXV encoder with support for DXT1 texture format 2024-01-23 21:31:22 +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 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.