On Mon, Sep 30, 2019 at 21:36:43 +0800, lance.lmw...@gmail.com wrote:
> -The printed times and duration are expressed in seconds.
> +The printed times and duration are expressed in seconds. The
> @code{lavfi.silence_start}
> +or @code{lavfi.silence_start.X} metadata key is set on the first frame whose
> timestamp
> +equals or exceeds the detection duration and it contains the timestamp of
> the first
> +frame of the silence.
> +
> +The @code{lavfi.silence_duration} or @code{lavfi.silence_duration.X} and
> +@code{lavfi.silence_end} or @code{lavfi.silence_end.X}metadata keys are set
> on the
> +first frame after the silence. Where @code{X} is the channel number and .X
> is used
> +if @option{mono} is enabled.
I don't understand. Literal ".X" (which you should write as
"@code{.X}", by the way)? And if not mono, it's ".0", ".1"? And when is
".N" completely omitted?
This is a bit unclear to me, without experimenting or looking at the
code.
Cheers,
Moritz
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