scale: fix computation for the "hsub" and "vsub" constants

Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>
This commit is contained in:
Stefano Sabatini 2011-04-17 16:26:53 +02:00
parent 14360e0783
commit e93d3334a9

View File

@ -158,8 +158,8 @@ static int config_props(AVFilterLink *outlink)
var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
var_values[VAR_A] = (float) inlink->w / inlink->h;
var_values[VAR_HSUB] = 2<<av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
var_values[VAR_VSUB] = 2<<av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
var_values[VAR_HSUB] = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
var_values[VAR_VSUB] = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
/* evaluate width and height */
av_expr_parse_and_eval(&res, (expr = scale->w_expr),