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vf_crop: make config_props work properly when called multiple times.

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Do not leak the x/y expressions.
This commit is contained in:
Anton Khirnov 2013-03-18 21:31:54 +01:00
parent d5c66d9c56
commit 6592cd22a2
1 changed files with 3 additions and 0 deletions
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3
libavfilter/vf_crop.c
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@ -193,6 +193,9 @@ static int config_input(AVFilterLink *link)
s->w &= ~((1 << s->hsub) - 1); s->w &= ~((1 << s->hsub) - 1);
s->h &= ~((1 << s->vsub) - 1); s->h &= ~((1 << s->vsub) - 1);
av_expr_free(s->x_pexpr);
av_expr_free(s->y_pexpr);
s->x_pexpr = s->y_pexpr = NULL;
if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names, if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx)) < 0 || NULL, NULL, NULL, NULL, 0, ctx)) < 0 ||
(ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names, (ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names,