avfilter/aeval: tighten the check for empty expression

Fixes ticket #11395

James Almer committed 1 year ago

Commit e2624111 parent 9d9ac8e1 file · +1 −1Browse files

Unified · Split

@@ -114,7 +114,7 @@ static int parse_channel_expressions(AVFilterContext *ctx, · 113 unmodified lines
114	114	if (!args1)
115	115	return AVERROR(ENOMEM);
116	116
117		− if (!eval->exprs) {
	117	+ if (!eval->exprs \|\| !*eval->exprs) {
118	118	av_log(ctx, AV_LOG_ERROR, "Channels expressions list is empty\n");
119	119	return AVERROR(EINVAL);
120	120	}

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