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/*
a wrapper for the audioDevice.
Copyright (C) 1998 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "dspWrapper.h"
#include "audioIO.h"
#include "../../frame/pcmFrame.h"
#include "../../frame/floatFrame.h"
#include <iostream>
using namespace std;
DSPWrapper::DSPWrapper() {
currentFormat=new PCMFrame(0);
lopenDevice=false;
lopenMixer=false;
audioConstruct();
}
DSPWrapper::~DSPWrapper() {
if (lopenDevice) {
audioClose();
}
if (lopenMixer) {
mixerClose();
}
audioDestruct();
delete currentFormat;
}
int DSPWrapper::isOpenDevice() {
return lopenDevice;
}
int DSPWrapper::openDevice() {
if (lopenDevice==true) {
return true;
}
lopenDevice=audioOpen();
return lopenDevice;
}
int DSPWrapper::closeDevice() {
if (isOpenDevice() == true) {
audioClose();
currentFormat->setFrameFormat(-1,-1);
lopenDevice=false;
}
return true;
}
int DSPWrapper::isOpenMixer() {
return lopenMixer;
}
int DSPWrapper::getAudioBufferSize() {
return ::getAudioBufferSize();
}
int DSPWrapper::openMixer() {
lopenMixer=mixerOpen();
return lopenMixer;
}
int DSPWrapper::closeMixer() {
if (isOpenMixer() == true) {
mixerClose();
lopenMixer=false;
}
return true;
}
int DSPWrapper::audioPlay(char *buf, int len) {
return audioWrite(buf,len);
}
int DSPWrapper::audioSetup(int stereo,int sampleSize,int lSigned,
int lBigEndian,int freq) {
if (isOpenDevice()==false) {
cout << "device not open"<<endl;
exit(-1);
}
/*
cout << "sampleSize:"<<sampleSize<<endl;
cout << "freq:"<<freq<<endl;
cout << "stereo:"<<stereo<<endl;
cout << "lSigned:"<<lSigned<<endl;
cout << "lBigEndian:"<<lBigEndian<<endl;
*/
audioInit(sampleSize,freq,stereo,lSigned,lBigEndian);
if (currentFormat->getSampleSize() != sampleSize) {
cout << "FIXME: pcmFrame with sampleSize:"<<sampleSize<<endl;
}
currentFormat->setFrameFormat(stereo,freq);
return true;
}
int DSPWrapper::audioSetup(AudioFrame* audioFrame) {
if (audioFrame == NULL) {
cout << "audioFrame NULL: DSPWrapper:audioSetup"<<endl;
exit(0);
}
if(audioFrame->isFormatEqual(currentFormat)==false) {
audioSetup(audioFrame->getStereo(),audioFrame->getSampleSize(),
audioFrame->getSigned(),audioFrame->getBigEndian(),
audioFrame->getFrequenceHZ());
}
return true;
}
int DSPWrapper::audioPlay(PCMFrame* pcmFrame) {
if (pcmFrame == NULL) {
cout << "pcmFrame NULL: DSPWrapper:audioPlay"<<endl;
exit(0);
}
if(pcmFrame->isFormatEqual(currentFormat)==false) {
audioSetup(pcmFrame->getStereo(),pcmFrame->getSampleSize(),
pcmFrame->getSigned(),pcmFrame->getBigEndian(),
pcmFrame->getFrequenceHZ());
}
int len=pcmFrame->getLen()*2;
int played=audioPlay((char*)pcmFrame->getData(),len);
return (len == played);
}
//
// Misuse our internal currentFormat for the float->int conversion.
//
int DSPWrapper::audioPlay(FloatFrame* floatFrame) {
if (floatFrame == NULL) {
cout << "floatFrame NULL: DSPWrapper:audioPlay"<<endl;
exit(0);
}
if(floatFrame->isFormatEqual(currentFormat)==false) {
audioSetup(floatFrame->getStereo(),floatFrame->getSampleSize(),
floatFrame->getSigned(),floatFrame->getBigEndian(),
floatFrame->getFrequenceHZ());
}
int tmpLen=currentFormat->getLen();
if (tmpLen < floatFrame->getLen()) {
delete currentFormat;
currentFormat=new PCMFrame(floatFrame->getLen());
floatFrame->copyFormat(currentFormat);
}
currentFormat->clearrawdata();
currentFormat->putFloatData(floatFrame->getData(),floatFrame->getLen());
return audioPlay(currentFormat);
}
void DSPWrapper::audioFlush() {
closeDevice();
}
void DSPWrapper::setVolume(float leftPercent,float rightPercent) {
if (isOpenMixer()) {
mixerSetVolume((int)leftPercent,(int)rightPercent);
} else {
cout << "cannot set Mixer settings:not open!"<<endl;
}
}
void DSPWrapper::print() {
cout<<"lopenDevice:"<<lopenDevice<<endl;
cout<<"lopenMixer:"<<lopenMixer<<endl;
currentFormat->print("currentFormat");
}
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