[FFmpeg-devel] [PATCH] avfilter/select: initialize prev_selected_n to NAN

[Stefano Sabatini]

On date Friday 2023-12-08 13:05:43 +0530, Gyan Doshi wrote:
> As per the doc, prev_selected_n should be NAN at the start.
> However, this was never set.
> ---
>  libavfilter/f_select.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/libavfilter/f_select.c b/libavfilter/f_select.c
> index 47e36f0014..109dae403a 100644
> --- a/libavfilter/f_select.c
> +++ b/libavfilter/f_select.c
> @@ -230,6 +230,7 @@ static int config_input(AVFilterLink *inlink)
>  
>      select->var_values[VAR_N]          = 0.0;
>      select->var_values[VAR_SELECTED_N] = 0.0;
> +    select->var_values[VAR_PREV_SELECTED_N] = NAN;

Should be good but move it closer to the other VAR_PREV_* definitions.