[FFmpeg-devel] [PATCH] doc/filters.texi: remove incorrect duration syntax

[Stefano Sabatini]

On date Thursday 2014-09-04 01:17:16 -0700, Mark Harris encoded:
> The actual duration syntax with optional hours can be found in the
> ffmpeg-utils doc, but mention only seconds for filter options because
> ":" is an option separator (at least on the command line).

But you can escape ":" or you could want to set an HH:MM:SS.m... value
programmatically.

> ---
>  doc/filters.texi | 36 ++++++++----------------------------
>  1 file changed, 8 insertions(+), 28 deletions(-)
> 
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 4ae5b4f..afac010 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -517,27 +517,17 @@ volume as the input audio, at the end of the fade-out transition
>  the output audio will be silence. Default is 44100.
>  
>  @item start_time, st
> -Specify time for starting to apply the fade effect. Default is 0.
> -The accepted syntax is:
> - at example
> -[-]HH[:MM[:SS[.m...]]]
> -[-]S+[.m...]
> - at end example
> -See also the function @code{av_parse_time()}.
> -If set this option is used instead of @var{start_sample} one.

> +Specify the start time of the fade effect, in seconds.
> +By default the start is determined by @var{start_sample}.
> +If set this option is used instead of @var{start_sample}.

What about:

Specify time for starting to apply the fade effect. Default is 0.
The value must be specified as a time duration, see
@ref{date syntax,,the Date section in the ffmpeg-utils(1) manual,ffmpeg-utils}.

Same below.

[...]
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