On date Wednesday 2014-12-24 15:03:26 +0100, Clément Bœsch encoded:
> TODO: bump minor
> ---
>  doc/filters.texi            |  12 +++
>  libavfilter/avf_showwaves.c | 175 
> +++++++++++++++++++++++++++++++++++++++-----
>  2 files changed, 169 insertions(+), 18 deletions(-)
> 
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 7fac8fb..7953e62 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -11334,6 +11334,11 @@ option @var{n}. Default value is "25".
>  @item split_channels
>  Set if channels should be drawn separately or overlap. Default value is 0.
>  
> +@item single_pic
> +Output only one frame at the end if set. This option can only work with
> +@option{mode}=@var{cline}. Note that this option will store the whole decoded
> +audio track in memory. Default value is 0.

I wonder if we should rather have a different filter, computing the
average value over N samples and printing it. This should not require
the buffering logic. Note that we may also adapt the filter and use a
high value of n. That together with tile would do the trick.
-- 
FFmpeg = Fundamentalist and Funny Mysterious Political Extroverse Gem
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