mirror of https://github.com/PCSX2/pcsx2.git
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
/* ZeroSPU2
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* Copyright (C) 2006-2010 zerofrog
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// PortAudio support implemented by Zedr0n.
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#include "PortAudio.h"
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#include "Linux.h"
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PaStream *stream;
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#define FRAMES_PER_BUFFER 4096
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int paSetupSound()
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{
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// initialize portaudio
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PaError err = Pa_Initialize();
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if( err != paNoError) {
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ERROR_LOG("ZeroSPU2: Error initializing portaudio: %s\n", Pa_GetErrorText(err) );
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return -1;
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}
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else
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ERROR_LOG("ZeroSPU2: Initialized portaudio... \n");
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/* Open an audio I/O stream. */
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err = Pa_OpenDefaultStream( &stream,
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0, /* no input channels */
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2, /* stereo output */
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paInt16, /* 16 bit integer point output */
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SAMPLE_RATE,
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FRAMES_PER_BUFFER, /* frames per buffer, i.e. the number
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of sample frames that PortAudio will
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request from the callback. Many apps
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may want to use
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paFramesPerBufferUnspecified, which
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tells PortAudio to pick the best,
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possibly changing, buffer size.*/
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NULL, /* this is your callback function */
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NULL ); /*This is a pointer that will be passed to
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your callback*/
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if( err != paNoError )
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{
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ERROR_LOG("ZeroSPU2: Error opening sound stream...\n");
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return -1;
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}
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else ERROR_LOG("ZeroSPU2: Created sound stream successfully...\n");
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MaxBuffer = 0;
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err = Pa_StartStream( stream );
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if( err != paNoError )
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{
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ERROR_LOG("ZeroSPU2: Error starting sound stream...\n");
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return -1;
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}
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else ERROR_LOG("ZeroSPU2: Started sound stream successfully...\n");
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return 0;
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}
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void paRemoveSound()
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{
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PaError err = Pa_StopStream( stream );
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if( err != paNoError )
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ERROR_LOG("ZeroSPU2: PortAudio error: %s\n", Pa_GetErrorText( err ) );
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else
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ERROR_LOG("ZeroSPU2: stream stopped... \n");
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err = Pa_Terminate();
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if( err != paNoError )
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ERROR_LOG("PortAudio error: %s\n", Pa_GetErrorText( err ) );
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else
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ERROR_LOG("ZeroSPU2: portaudio terminated... \n");
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}
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int paSoundGetBytesBuffered()
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{
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unsigned long l = Pa_GetStreamWriteAvailable(stream);
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if(MaxBuffer == 0) MaxBuffer = l;
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return MaxBuffer - l;
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}
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void paSoundFeedVoiceData(unsigned char* pSound, long lBytes)
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{
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Pa_WriteStream(stream, (void*) pSound, (unsigned long) lBytes / 4);
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}
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