[FFmpeg-devel] [PATCH] lavfi/scale: allocate interlaced scalers only if needed.

[Michael Niedermayer]

On Thu, Jul 18, 2013 at 11:28:43AM +0200, Nicolas George wrote:
> Fix "Value 0.000000 for parameter 'srch' out of range"
> error message when source or destination height is 1.
> 
> Note: since the av_opt_set_int() calls are not checked for
> failure and the interlaced scalers are not actually used,
> this error has no consequence apart from a frightening message
> in the log.
> 
> Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
> ---
>  libavfilter/vf_scale.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
> index a71340a..c91bbaa 100644
> --- a/libavfilter/vf_scale.c
> +++ b/libavfilter/vf_scale.c
> @@ -287,6 +287,8 @@ static int config_props(AVFilterLink *outlink)
>  
>              if ((ret = sws_init_context(*s, NULL, NULL)) < 0)
>                  return ret;
> +            if (!scale->interlaced)
> +                break;

LGTM

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Into a blind darkness they enter who follow after the Ignorance,
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