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Marton Balint 4bfecde9b9 fftools/ffmpeg_demux: honor -ch_layout options for overriding input stream channel layout 
The code only set the channel layout of the AVFormatContext, so the user could
not override the channel layout if the demuxer did not have such parameter.

This used to work via the respective AVCodecContext option, but since
639c2f0049 it no longer gets passed to the
decoders. It is actually better if we set it manually, instead of using the
codec option because that way we can also override it on the stream level, so
it will also work for stream copy or bitstream filtering.

We don't allow changing the number of channels, because that can cause
unexpected results. We disable layout guessing, if a channel layout is
specified.

Fixes ticket #11016.

Signed-off-by: Marton Balint <cus@passwd.hu>
2024-05-27 21:46:47 +02:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc doc/mips: Update list of files with MIPS copyright notice 2024-05-27 19:04:08 +02:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg_demux: honor -ch_layout options for overriding input stream channel layout 2024-05-27 21:46:47 +02:00
libavcodec lavc/flacdsp: R-V Zvl256b lpc33 2024-05-27 22:07:29 +03:00
libavdevice lavd/v4l2: Use proper field type for second parameter of ioctl() with BSD's 2024-05-08 21:33:32 +02:00
libavfilter avfilter/af_atempo: Fix indentation 2024-05-23 10:45:55 +02:00
libavformat avformat/async,cache: Use more unique context names 2024-05-25 13:52:19 +02:00
libavutil avutil/channel_layout: add a helper function to get the ambisonic order of a layout 2024-05-23 12:07:19 -03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale/riscv: explicitly require Zbb for MIN 2024-05-10 18:59:06 +03:00
presets
tests checkasm: add h263dsp.{h,v}_loop_filter 2024-05-27 22:42:07 +03:00
tools tools/target_enc_fuzzer: Only read pix_fmts if its set 2024-05-09 16:17:39 +02:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap .mailmap: Update my mailmap entry 2024-02-23 00:17:21 +01:00
Changelog Changelog: add DVB compatible information for VVC decoder 2024-05-21 20:20:25 +08:00
configure configure: enable ffnvcodec, nvenc, nvdec for FreeBSD 2024-05-26 19:25:51 -04:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
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COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as *BSD maintainer 2024-05-13 03:40:16 +02:00
Makefile riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.