fix incorrect test for valid MIDI events.

[ardour.git] / libs / evoral / evoral / midi_util.h

diff --git a/libs/evoral/evoral/midi_util.h b/libs/evoral/evoral/midi_util.h
index f32e816321e878d980fef7f1a014d8b0cf98c08d..9341e1afb28db89a4ac5a5c57d68b4de6c76819c 100644 (file)
--- a/libs/evoral/evoral/midi_util.h
+++ b/libs/evoral/evoral/midi_util.h
@@ -120,9 +120,14 @@ midi_event_is_valid(const uint8_t* buffer, size_t len)
        if (size < 0 || (size_t)size != len) {
                return false;
        }
-       for (size_t i = 1; i < len; ++i) {
-               if ((buffer[i] & 0x80) != 0) {
-                       return false;  // Non-status byte has MSb set
+       if (status < 0xf0) {
+               /* Channel messages: all start with status byte followed by
+                * non status bytes.
+                */
+               for (size_t i = 1; i < len; ++i) {
+                       if ((buffer[i] & 0x80) != 0) {
+                               return false;  // Non-status byte has MSb set
+                       }
                }
        }
        return true;