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Marton Balint 894bebeaf7 avformat/mpegts: detect synchronous metadata KLV more reliably 
The mpegts code historically tries to strip (the first) metadata access unit
header from synchronous KLV metadata, but the detection for such streams was
unreliable causing strips of asynchronous metadata or ID3 as well.

MISB ST 1402 specifies required stream type, stream id and registration
descriptor (which eventually maps to the codec ID) so let's use all of these
for reliable detection.

Fixes a regression caused by 468615f204.

Fixes ticket #10828, #10883.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit 0aaee4741c)
 		2024-03-19 21:25:07 +01:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc Update for 6.1.1 2023-12-29 13:20:48 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg_mux_init: Restrict disabling automatic copying of metadata 2023-11-02 23:52:12 -03:00
libavcodec avcodec/libsvtav1: send the EOS signal without a one frame delay to allow for the library to operate in a low-delay mode 2024-02-27 19:40:40 -03:00
libavdevice avdevice/android_camera: fix build failure due to typo 2023-11-09 16:48:08 +08:00
libavfilter avfilter/vf_convolution: add float user_rdiv[4] to allow user options to apply correctly 2024-03-19 21:25:07 +01:00
libavformat avformat/mpegts: detect synchronous metadata KLV more reliably 2024-03-19 21:25:07 +01:00
libavutil avutil/hwcontext_d3d11va: prefer DXGI 1.1 factory when available 2024-03-18 13:31:58 +01:00
libpostproc Bump versions prior to 6.1 2023-10-29 16:19:39 +01:00
libswresample swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-19 21:25:07 +01:00
libswscale Bump versions prior to 6.1 2023-10-29 16:19:39 +01:00
presets
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tests swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-19 21:25:07 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for VMIX 2023-12-29 13:18:58 +01:00
.gitattributes
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.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 Use https for repository links 2023-03-01 21:59:10 +01:00
Changelog Changelog: update 2023-12-30 22:19:58 +01:00
INSTALL.md
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add entry for jpegxl* 2023-10-17 08:44:23 -04:00
Makefile tools: Don't include the direct library names when linking 2023-10-02 22:49:07 +03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Update for 6.1.1 2023-12-29 13:20:48 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2023-11-10 23:32:04 +01:00
configure configure: Enable section_data_rel_ro for FreeBSD and NetBSD aarch64 / arm 2023-12-29 13:18:59 +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.