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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.
This commit is contained in:
Niklas Haas 2023-06-20 16:36:08 +02:00
parent f998a618ba
commit e998d0a4f7
1 changed files with 4 additions and 0 deletions
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4
libavfilter/vf_libplacebo.c
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@ -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);