MixedProcessedAudioStream.h

//
//  MixedProcessedAudioStream.h
//  libraries/audio/src
//
//  Created by Yixin Wang on 8/4/14.
//  Copyright 2013 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
 
#ifndef hifi_MixedProcessedAudioStream_h
#define hifi_MixedProcessedAudioStream_h
 
#include "InboundAudioStream.h"
 
class AudioClient;
 
class MixedProcessedAudioStream  : public InboundAudioStream {
    Q_OBJECT
public:
    MixedProcessedAudioStream(int numFramesCapacity, int numStaticJitterFrames = -1);
 
signals:
 
    void addedSilence(int silentSamplesPerChannel);
    void addedLastFrameRepeatedWithFade(int samplesPerChannel);
    void addedStereoSamples(const QByteArray& samples);
 
    void processSamples(const QByteArray& inputBuffer, QByteArray& outputBuffer);
 
public:
    void outputFormatChanged(int sampleRate, int channelCount);
 
protected:
    int writeDroppableSilentFrames(int silentFrames) override;
    int parseAudioData(const QByteArray& packetAfterStreamProperties) override;
    int lostAudioData(int numPackets) override;
 
private:
    int networkToDeviceFrames(int networkFrames);
    int deviceToNetworkFrames(int deviceFrames);
 
private:
    quint64 _outputSampleRate;
    quint64 _outputChannelCount;
};
 
#endif // hifi_MixedProcessedAudioStream_h