avfilter/aeval: tighten the check for empty expression

Fixes ticket #11395

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2025-01-03 13:34:35 -03:00
parent 9d9ac8e2ca
commit e262411f32

View file

@ -114,7 +114,7 @@ static int parse_channel_expressions(AVFilterContext *ctx,
if (!args1)
return AVERROR(ENOMEM);
if (!eval->exprs) {
if (!eval->exprs || !*eval->exprs) {
av_log(ctx, AV_LOG_ERROR, "Channels expressions list is empty\n");
return AVERROR(EINVAL);
}