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Marton Balint ea2dcb9b39 avfilter/af_channelmap: fix error message if FL source channel was missing 
FL channel ID is 0, so for an unset value we must check for ID < 0.

Regression since 1f96db959c.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit 9a5627ea9a)
2024-03-30 21:56:19 +01:00
compat compat: Use '-' instead of '/' for rc.exe options 2023-02-13 13:49:40 +02:00
doc doc/html: fix styling issue with Texinfo 7.0 2023-11-09 00:22:33 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffplay: use correct buffersink channel layout parameters 2024-03-19 21:18:07 +01:00
libavcodec avcodec/nvdec: reset bitstream_len/nb_slices when resetting bitstream pointer 2024-03-30 00:18:39 +01:00
libavdevice version.h: Bump minor for 6.0 branch 2023-02-19 18:32:07 +01:00
libavfilter avfilter/af_channelmap: fix error message if FL source channel was missing 2024-03-30 21:56:19 +01:00
libavformat avformat/mov: don't abort on duplicate Mastering Display Metadata boxes 2024-03-27 13:54:13 -03:00
libavutil avutil/hwcontext_d3d11va: prefer DXGI 1.1 factory when available 2024-03-18 13:31:12 +01:00
libpostproc version.h: Bump minor for 6.0 branch 2023-02-19 18:32:07 +01:00
libswresample swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-19 21:18:07 +01:00
libswscale version.h: Bump minor for 6.0 branch 2023-02-19 18:32:07 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-19 21:18:07 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for CSCD 2023-11-03 23:33:45 +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: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update 2023-11-10 01:00:22 +01:00
configure configure: use non-deprecated nvenc GUID for conftest 2023-07-23 12:58:13 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-10-28 19:04:35 +02:00
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 maintainer for the imf demuxer 2023-02-13 18:41:22 +01:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Update for FFmpeg 6.0.1 2023-11-03 23:33:44 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2023-02-26 00:13:45 +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.