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Marton Balint 352fe0d4bf avformat/mov_chan: never override number of channels based on chan atom 
The channel designation metadata should not override the number of channels.
Let's warn the user if it is inconsistent, and keep the channel layout
unspecified.

Before the conversion to the channel layout API the code only set the mask, but
never overridden the channel count, so this restores the old behaviour.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit dc9d64f794)
2024-02-11 23:20:37 +01:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc Update for 5.1.4 2023-11-10 00:32:27 +01:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg_enc: apply -top to individual encoded frames 2024-01-26 23:24:22 +01:00
libavcodec avcodec/nvdec: don't free NVDECContext->bitstream 2024-02-07 11:37:05 -03:00
libavdevice avdevice/avdevice: fix return value of avdevice_list_devices() 2022-07-17 22:12:31 +02:00
libavfilter avfilter/buffersink: fix order of operation with = and <0 2023-11-03 22:27:37 +01:00
libavformat avformat/mov_chan: never override number of channels based on chan atom 2024-02-11 23:20:37 +01:00
libavutil libavutil/ppc/cpu.c: check that AT_HWCAP2 is defined 2023-10-30 00:39:14 +01:00
libpostproc Bump Versions for 5.1 branch 2022-07-13 00:27:37 +02:00
libswresample swresample/swresample: fill the correct buffer to print the output layout string 2022-08-21 17:51:18 -03:00
libswscale swscale/input: Use more unsigned intermediates 2023-02-21 00:37:06 +01:00
presets
tests fftools/ffmpeg_enc: apply -top to individual encoded frames 2024-01-26 23:24:22 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for CSCD 2023-11-03 22:25:44 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Update for 5.1.4 2023-11-10 00:32:27 +01:00
configure configure: update copyright year 2023-10-30 00:38:47 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-16 14:48:40 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Add ED25519 key for signing my commits in the future 2022-08-28 23:07:04 +02:00
Makefile Makefile: Prompt for reconfigure on lavc/hwaccels.h modification 2022-07-01 00:34:38 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Update for 5.1.4 2023-11-10 00:32:27 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.0 2022-07-20 18:24:16 +02:00

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.