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Frank Plowman 0c517fcbe8 lavc/vvc: Fix emulation prevention byte handling 
nal->skipped_bytes_pos contains the positions of errors relative to the
start of the slice header, whereas the position they were tested against
is relative to the start of the slice data, i.e. one byte after the end
of the slice header.

Patch fixes this by storing the size of the slice header in H266RawSlice
and adding it to the position given by the GetBitContext before
comparing to skipped_bytes_pos.  This fixes AVERROR_INVALIDDATAs for
various valid bitstreams, such as the LMCS_B_Dolby_2 conformance
bitstream.

Signed-off-by: Frank Plowman <post@frankplowman.com>
 		2024-01-27 11:29:40 -03:00
compat
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doc doc/muxers: add MPEG-1/2 muxers section 2024-01-24 00:20:03 +01:00
ffbuild
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fftools fftools/ffmpeg_filter: do not end filtering when a graph input EOFs 2024-01-27 09:24:29 +01:00
libavcodec lavc/vvc: Fix emulation prevention byte handling 2024-01-27 11:29:40 -03:00
libavdevice Revert "all: Don't set AVClass.item_name to its default value" 2024-01-20 10:34:48 +01:00
libavfilter Revert "all: Don't set AVClass.item_name to its default value" 2024-01-20 10:34:48 +01:00
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
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libswscale
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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
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.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
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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.