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overlay: do not leak x/y expressions.

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This commit is contained in:
Nicolas George 2012-01-12 19:18:13 +01:00
parent 668a74e808
commit bbf372e145
1 changed files with 2 additions and 0 deletions
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2
libavfilter/vf_overlay.c
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@ -115,12 +115,14 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
av_opt_set_defaults(over);
if (expr = av_strtok(args1, ":", &bufptr)) {
av_free(over->x_expr);
if (!(over->x_expr = av_strdup(expr))) {
ret = AVERROR(ENOMEM);
goto end;
}
}
if (expr = av_strtok(NULL, ":", &bufptr)) {
av_free(over->y_expr);
if (!(over->y_expr = av_strdup(expr))) {
ret = AVERROR(ENOMEM);
goto end;