src/RtAudioInterface.h

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//*****************************************************************
/*
  JackTrip: A System for High-Quality Audio Network Performance
  over the Internet

  Copyright (c) 2008 Juan-Pablo Caceres, Chris Chafe.
  SoundWIRE group at CCRMA, Stanford University.

  Permission is hereby granted, free of charge, to any person
  obtaining a copy of this software and associated documentation
  files (the "Software"), to deal in the Software without
  restriction, including without limitation the rights to use,
  copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the
  Software is furnished to do so, subject to the following
  conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  OTHER DEALINGS IN THE SOFTWARE.
*/
//*****************************************************************

#ifndef __RTAUDIOINTERFACE_H__
#define __RTAUDIOINTERFACE_H__

#include "RtAudio.h"

#include "AudioInterface.h"


class JackTrip; // Forward declaration

class RtAudioInterface : public AudioInterface
{
public:

  RtAudioInterface(JackTrip* jacktrip,
                   int NumInChans = 2, int NumOutChans = 2,
                   audioBitResolutionT AudioBitResolution = BIT16);

  virtual ~RtAudioInterface();


  virtual void listAllInterfaces();

  // --------Inherited Functions -----------------
  virtual void setup();
  virtual void close() {}
  virtual int startProcess() const;
  virtual int stopProcess() const { return 0; }
  virtual void appendProcessPlugin(ProcessPlugin* /*plugin*/) {}
  virtual void connectDefaultPorts() {}


  virtual uint32_t getSampleRate() const { return mSamplingRate; }
  virtual uint32_t getBufferSizeInSamples() const { return mBufferSize; }

  virtual samplingRateT getSampleRateType() const
  { return AudioInterface::SR48; }
  virtual void setClientName(const char* /*ClientName*/) {}
  
  


  //virtual int getAudioBitResolution() const {}
  // ---------------------------------------------

  //virtual int getNumInputChannels() const { return 1; }
  //virtual int getNumOutputChannels() const  { return 1; }
  //virtual samplingRateT getSampleRateType() const {return SR48;}
  //virtual int getAudioBitResolution() const {return 16;}
  //virtual size_t getSizeInBytesPerChannel() const { return 2*128; }
  //virtual void close() {}
  //virtual void stopProcess() {}


  //virtual int processCallback(jack_nframes_t nframes);

private:
  int RtAudioCallback(void *outputBuffer, void *inputBuffer, unsigned int nFrames,
                      double streamTime, RtAudioStreamStatus status);
  static int wrapperRtAudioCallback(void *outputBuffer, void *inputBuffer, unsigned int nFrames,
                                    double streamTime, RtAudioStreamStatus status, void *userData);

  void printDeviceInfo(unsigned int deviceId);

  JackTrip* mJackTrip;

  int8_t* mInputPacket; 
  int8_t* mOutputPacket;  

  QVarLengthArray<float*> mInBuffer; 
  QVarLengthArray<float*> mOutBuffer; 

  //float* mInBuffer; ///< Vector of Input buffers/channel read from JACK
  //float* mOutBuffer; ///< Vector of Output buffer/channel to write to JACK

  uint32_t mSamplingRate;
  uint32_t mBufferSize;
  RtAudio* mRtAudio; 
};

#endif // __RTAUDIOINTERFACE_H__

 

Documentation generated by Doxygen 1.5.6 on Tue Jul 21 19:04:32 2009

© 2008 by Juan-Pablo Caceres (jcaceres at ccrma dot stanford dot edu) and Chris Chafe
SoundWIRE Group at CCRMA - Stanford University