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| author | Marton Balint <cus@passwd.hu> | 2024-05-18 17:10:28 +0200 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2024-05-27 21:46:47 +0200 |
| commit | 169b6ee732fdc35d0eb4be4d076d5265ce9b1304 (patch) | |
| tree | 01c19189406370909ac06c77964df685bd77c5e3 /doc | |
| parent | 4bfecde9b9b25568f10135a507b44d1bb623c66b (diff) | |
| download | ffmpeg-169b6ee732fdc35d0eb4be4d076d5265ce9b1304.tar.gz | |
doc/ffmpeg: document -channel_layout/ch_layout options
Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ffmpeg.texi | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index da37e3ad37..f25f6192eb 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1719,12 +1719,21 @@ This is an alias for @code{-filter:a}, see the @ref{filter_option,,-filter optio @table @option @item -atag @var{fourcc/tag} (@emph{output}) Force audio tag/fourcc. This is an alias for @code{-tag:a}. +@item -ch_layout[:@var{stream_specifier}] @var{layout} (@emph{input/output,per-stream}) +Alias for @code{-channel_layout}. +@item -channel_layout[:@var{stream_specifier}] @var{layout} (@emph{input/output,per-stream}) +Set the audio channel layout. For output streams it is set by default to the +input channel layout. For input streams it overrides the channel layout of the +input. Not all decoders respect the overridden channel layout. This option +also sets the channel layout for audio grabbing devices and raw demuxers +and is mapped to the corresponding demuxer option. @item -guess_layout_max @var{channels} (@emph{input,per-stream}) If some input channel layout is not known, try to guess only if it corresponds to at most the specified number of channels. For example, 2 tells to @command{ffmpeg} to recognize 1 channel as mono and 2 channels as stereo but not 6 channels as 5.1. The default is to always try to guess. Use -0 to disable all guessing. +0 to disable all guessing. Using the @code{-channel_layout} option to +explicitly specify an input layout also disables guessing. @end table @section Subtitle options |