lavfi/vf_libplacebo: allow pos_w to depend on pos_h

Ditto for crop_w/crop_h. Requires simply repeating the evaluation of the
first variable to be evaluated.
pull/389/head
Niklas Haas 2 years ago
parent f998a618ba
commit e998d0a4f7
  1. 4
      libavfilter/vf_libplacebo.c

@ -775,10 +775,14 @@ static void update_crops(AVFilterContext *ctx, LibplaceboInput *in,
av_expr_eval(s->crop_w_pexpr, s->var_values, NULL);
s->var_values[VAR_CROP_H] = s->var_values[VAR_CH] =
av_expr_eval(s->crop_h_pexpr, s->var_values, NULL);
s->var_values[VAR_CROP_W] = s->var_values[VAR_CW] =
av_expr_eval(s->crop_w_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_W] = s->var_values[VAR_PW] =
av_expr_eval(s->pos_w_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_H] = s->var_values[VAR_PH] =
av_expr_eval(s->pos_h_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_W] = s->var_values[VAR_PW] =
av_expr_eval(s->pos_w_pexpr, s->var_values, NULL);
image->crop.x0 = av_expr_eval(s->crop_x_pexpr, s->var_values, NULL);
image->crop.y0 = av_expr_eval(s->crop_y_pexpr, s->var_values, NULL);

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