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/*
PAaudiooutput.C - Audio output for PortAudio
Copyright (C) 2002-2009 Nasca Octavian Paul
Author: Nasca Octavian Paul
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License (version 2) for more details.
You should have received a copy of the GNU General Public License (version 2)
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include "PAaudiooutput.h"
Player *player=NULL;
PaStream *stream=NULL;
PaStreamCallback * PAprocess(void *inputBuffer,void *outputBuffer,
unsigned long framesPerBuffer,
PaStreamCallbackTimeInfo *outTime,PaStreamCallbackFlags statusFlags,void *userData){
float *out=(float *)outputBuffer;
player->getaudiobuffer(framesPerBuffer,out);
return(0);
};
void PAaudiooutputinit(Player *player_,int samplerate){
player=player_;
if (stream) return;
Pa_Initialize();
Pa_OpenDefaultStream(&stream,0,2,paFloat32,samplerate,PA_SOUND_BUFFER_SIZE,(PaStreamCallback *)PAprocess,NULL);
Pa_StartStream(stream);
};
void PAfinish(){
if (stream){
Pa_StopStream(stream);
Pa_CloseStream(stream);
Pa_Terminate();
};
stream=NULL;
};