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-rw-r--r--src/blind-norm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/blind-norm.c b/src/blind-norm.c
index 303c214..25830c4 100644
--- a/src/blind-norm.c
+++ b/src/blind-norm.c
@@ -41,6 +41,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
SELECT_PROCESS_FUNCTION(&stream);
+ CHECK_ALPHA_CHAN(&stream);
+ CHECK_N_CHAN(&stream, 4, 4);
+
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
process(&stream);