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vf_drawtext: don't leak the expressions.

This commit is contained in:
Anton Khirnov 2013-03-18 22:13:35 +01:00
parent 6592cd22a2
commit 3fb29588a2
1 changed files with 8 additions and 0 deletions
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8
libavfilter/vf_drawtext.c
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@ -402,6 +402,10 @@ static av_cold void uninit(AVFilterContext *ctx)
DrawTextContext *s = ctx->priv;
int i;
av_expr_free(s->x_pexpr);
av_expr_free(s->y_pexpr);
av_expr_free(s->d_pexpr);
s->x_pexpr = s->y_pexpr = s->d_pexpr = NULL;
av_freep(&s->expanded_text);
av_freep(&s->positions);
av_tree_enumerate(s->glyphs, NULL, NULL, glyph_enu_free);
@ -573,6 +577,10 @@ static int config_input(AVFilterLink *inlink)
av_lfg_init(&s->prng, av_get_random_seed());
av_expr_free(s->x_pexpr);
av_expr_free(s->y_pexpr);
av_expr_free(s->d_pexpr);
s->x_pexpr = s->y_pexpr = s->d_pexpr = NULL;
if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names,
NULL, NULL, fun2_names, fun2, 0, ctx)) < 0 ||
(ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names,