var_values[VAR_VSUB] = 1<<s->vsub;
/* evaluate width and height */
- av_expr_parse_and_eval(&res, (expr = s->w_expr),
- var_names, var_values,
- NULL, NULL, NULL, NULL, NULL, 0, ctx);
+ if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
+ var_names, var_values,
+ NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
+ goto eval_fail;
s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
var_names, var_values,
s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
/* evaluate x and y */
- av_expr_parse_and_eval(&res, (expr = s->x_expr),
- var_names, var_values,
- NULL, NULL, NULL, NULL, NULL, 0, ctx);
+ if ((ret = av_expr_parse_and_eval(&res, (expr = s->x_expr),
+ var_names, var_values,
+ NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
+ goto eval_fail;
s->x = var_values[VAR_X] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = s->y_expr),
var_names, var_values,
var_values[VAR_VSUB] = 1 << desc->log2_chroma_h;
/* evaluate width and height */
- av_expr_parse_and_eval(&res, (expr = scale->w_expr),
- var_names, var_values,
- NULL, NULL, NULL, NULL, NULL, 0, ctx);
+ if ((ret = av_expr_parse_and_eval(&res, (expr = scale->w_expr),
+ var_names, var_values,
+ NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
+ goto fail;
scale->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = scale->h_expr),
var_names, var_values,