Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
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+// -*- Mode: C++ -*-
+#ifndef SOUNDOUT_H__
+#define SOUNDOUT_H__
+
+#include <QObject>
+#include <QString>
+#include <QAudioOutput>
+#include <QAudioDeviceInfo>
+
+class QAudioDeviceInfo;
+
+// An instance of this sends audio data to a specified soundcard.
+
+class SoundOutput
+  : public QObject
+{
+  Q_OBJECT;
+  
+public:
+  SoundOutput ()
+    : m_msBuffered {0u}
+    , m_volume {1.0}
+  {
+  }
+
+  qreal attenuation () const;
+
+public Q_SLOTS:
+  void setFormat (QAudioDeviceInfo const& device, unsigned channels, unsigned msBuffered = 0u);
+  void restart (QIODevice *);
+  void suspend ();
+  void resume ();
+  void reset ();
+  void stop ();
+  void setAttenuation (qreal);	/* unsigned */
+  void resetAttenuation ();	/* to zero */
+  
+Q_SIGNALS:
+  void error (QString message) const;
+  void status (QString message) const;
+
+private:
+  bool audioError () const;
+
+private Q_SLOTS:
+  void handleStateChanged (QAudio::State);
+
+private:
+  QScopedPointer<QAudioOutput> m_stream;
+  unsigned m_msBuffered;
+  qreal m_volume;
+};
+
+#endif