1 files changed, 12 insertions, 0 deletions
diff --git a/src/multimedia/audio/qaudioformat.h b/src/multimedia/audio/qaudioformat.h
index 3bc5780d6..fccb206eb 100644
--- a/src/multimedia/audio/qaudioformat.h
+++ b/src/multimedia/audio/qaudioformat.h
@@ -91,6 +91,18 @@ public:
     void setSampleType(QAudioFormat::SampleType sampleType);
     QAudioFormat::SampleType sampleType() const;
 
+    // Helper functions
+    qint32 bytesForDuration(qint64 duration) const;
+    qint64 durationForBytes(qint32 byteCount) const;
+
+    qint32 bytesForFrames(qint32 frameCount) const;
+    qint32 framesForBytes(qint32 byteCount) const;
+
+    qint32 framesForDuration(qint64 duration) const;
+    qint64 durationForFrames(qint32 frameCount) const;
+
+    int bytesPerFrame() const;
+
 private:
     QSharedDataPointer<QAudioFormatPrivate> d;
 };