comparison audio/AudioRecordTarget.h @ 548:baa11365ebdd bqaudioio

Merge from branch bqresample

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef AUDIO_RECORD_TARGET_H
+#define AUDIO_RECORD_TARGET_H
+
+#include <bqaudioio/ApplicationRecordTarget.h>
+
+#include <string>
+
+#include <QObject>
+#include <QMutex>
+
+#include "base/BaseTypes.h"
+
+class ViewManagerBase;
+class WritableWaveFileModel;
+
+class AudioRecordTarget : public QObject,
+			  public breakfastquay::ApplicationRecordTarget
+{
+    Q_OBJECT
+
+public:
+    AudioRecordTarget(ViewManagerBase *, QString clientName);
+    virtual ~AudioRecordTarget();
+
+    virtual std::string getClientName() const { return m_clientName; }
+    
+    virtual int getApplicationSampleRate() const { return 0; } // don't care
+    virtual int getApplicationChannelCount() const { return 2; }
+
+    virtual void setSystemRecordBlockSize(int);
+    virtual void setSystemRecordSampleRate(int);
+    virtual void setSystemRecordLatency(int);
+
+    virtual void putSamples(int nframes, float **samples);
+    
+    virtual void setInputLevels(float peakLeft, float peakRight);
+
+    virtual void audioProcessingOverload() { }
+
+    QString getRecordContainerFolder();
+    QString getRecordFolder();
+    
+    bool isRecording() const { return m_recording; }
+    WritableWaveFileModel *startRecording(); // caller takes ownership
+    void stopRecording();
+
+signals:
+    void recordStatusChanged(bool recording);
+    void recordDurationChanged(sv_frame_t, sv_samplerate_t); // emitted occasionally
+    void recordCompleted();
+
+protected slots:
+    void modelAboutToBeDeleted();
+    
+private:
+    ViewManagerBase *m_viewManager;
+    std::string m_clientName;
+    bool m_recording;
+    sv_samplerate_t m_recordSampleRate;
+    sv_frame_t m_frameCount;
+    QString m_audioFileName;
+    WritableWaveFileModel *m_model;
+    QMutex m_mutex;
+};
+
+#endif