Initial Commit

.svn/pristine/0a/0a6058ee024f557d25e1005a878b10da3b3b55d0.svn-base

@@ -0,0 +1,52 @@
+// -*- Mode: C++ -*-
+#ifndef SOUNDIN_H__
+#define SOUNDIN_H__
+
+#include <QObject>
+#include <QString>
+#include <QDateTime>
+#include <QScopedPointer>
+#include <QPointer>
+#include <QAudioInput>
+
+#include "AudioDevice.hpp"
+
+class QAudioDeviceInfo;
+class QAudioInput;
+
+// Gets audio data from sound sample source and passes it to a sink device
+class SoundInput
+  : public QObject
+{
+  Q_OBJECT;
+
+public:
+  SoundInput (QObject * parent = nullptr)
+    : QObject {parent}
+    , m_sink {nullptr}
+  {
+  }
+
+  ~SoundInput ();
+
+  // sink must exist from the start call until the next start call or
+  // stop call
+  Q_SLOT void start(QAudioDeviceInfo const&, int framesPerBuffer, AudioDevice * sink, unsigned downSampleFactor, AudioDevice::Channel = AudioDevice::Mono);
+  Q_SLOT void suspend ();
+  Q_SLOT void resume ();
+  Q_SLOT void stop ();
+
+  Q_SIGNAL void error (QString message) const;
+  Q_SIGNAL void status (QString message) const;
+
+private:
+  // used internally
+  Q_SLOT void handleStateChanged (QAudio::State) const;
+
+  bool audioError () const;
+
+  QScopedPointer<QAudioInput> m_stream;
+  QPointer<AudioDevice> m_sink;
+};
+
+#endif