FramePos: Add isValid method to check if the position is valid

1 files changed, 5 insertions, 0 deletions

diff --git a/src/audio/frame.h b/src/audio/frame.h
index 1c31397d9e..8cbab7cbc2 100644
--- a/src/audio/frame.h
+++ b/src/audio/frame.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <QDebug>
+#include <cmath>
 #include <limits>
 
 namespace mixxx {
@@ -25,6 +26,10 @@ class FramePos final {
             : m_framePosition(framePosition) {
     }
 
+    bool isValid() const {
+        return !std::isnan(m_framePosition);
+    }
+
     void setValue(value_t framePosition) {
         m_framePosition = framePosition;
     }