[FFmpeg-devel] [PATCH] doc/ffmpeg: note that -t is also an input option

Lou Logan lou at lrcd.com
Mon Apr 7 22:03:56 CEST 2014


On Mon,  7 Apr 2014 11:59:51 -0800, Lou Logan wrote:

> ---
>  doc/ffmpeg.texi | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
> index 8d646f5..3b09c8e 100644
> --- a/doc/ffmpeg.texi
> +++ b/doc/ffmpeg.texi
> @@ -272,8 +272,13 @@ ffmpeg -i INPUT -map 0 -c copy -c:v:1 libx264 -c:a:137 libvorbis OUTPUT
>  will copy all the streams except the second video, which will be encoded with
>  libx264, and the 138th audio, which will be encoded with libvorbis.
>  
> - at item -t @var{duration} (@emph{output})
> -Stop writing the output after its duration reaches @var{duration}.
> + at item -t @var{duration} (@emph{input/output})
> +When used as an input option (before @code{-i}), limit the @var{duration} of
> +data read from an input file.

s/an/the nit fixed locally.

> +When used as an output option (before an output filename), stop writing the
> +output after its duration reaches @var{duration}.
> +
>  @var{duration} may be a number in seconds, or in @code{hh:mm:ss[.xxx]} form.
>  
>  -to and -t are mutually exclusive and -t has priority.


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