Improve audiorecorder example.

- Possibility to select channel count
- Show audio level for unsigned integer samples
- Show audio level for each channel
- Correctly set output file location
- Update controls depending on the recorder status (rather than the state)

Change-Id: Ieb08c379bb01a11ce1aa52a9d92ea1f320c87d49
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/examples/multimedia/audiorecorder/audiorecorder.h b/examples/multimedia/audiorecorder/audiorecorder.h
index 1a12031ec..2c0a1e5ed 100644
--- a/examples/multimedia/audiorecorder/audiorecorder.h
+++ b/examples/multimedia/audiorecorder/audiorecorder.h
@@ -52,6 +52,8 @@ class QAudioProbe;
 class QAudioBuffer;
 QT_END_NAMESPACE
 
+class QAudioLevel;
+
 class AudioRecorder : public QMainWindow
 {
     Q_OBJECT
@@ -68,15 +70,18 @@ private slots:
     void togglePause();
     void toggleRecord();
 
-    void updateState(QMediaRecorder::State);
+    void updateStatus(QMediaRecorder::Status);
     void updateProgress(qint64 pos);
     void displayErrorMessage();
 
 private:
+    void clearAudioLevels();
+
     Ui::AudioRecorder *ui;
 
     QAudioRecorder *audioRecorder;
     QAudioProbe *probe;
+    QList<QAudioLevel*> audioLevels;
     bool outputLocationSet;
 
 };