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#include "sound.h"
#include <portaudio.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
static void
StreamFinished( void* synthData )
{
(void)synthData;
}
int
get_soundcard_id(const char * name)
{
Pa_Initialize();
int i, c=0;
const PaDeviceInfo *deviceInfo;
for( i=0; i< Pa_GetDeviceCount(); i++ ) {
deviceInfo = Pa_GetDeviceInfo(i);
if (deviceInfo->maxOutputChannels == 0) {
continue;
}
if (!strcmp(name, deviceInfo->name)) {
Pa_Terminate();
return c;
}
c++;
}
Pa_Terminate();
return -1;
}
char *
get_soundcards()
{
Pa_Initialize();
int i;
const PaDeviceInfo *deviceInfo;
char *ret = (char *)malloc(sizeof(char) * 4096);
strcpy(ret, "");
for( i=0; i< Pa_GetDeviceCount(); i++ ) {
deviceInfo = Pa_GetDeviceInfo(i);
if (deviceInfo->maxOutputChannels == 0) {
continue;
}
strcat(ret, deviceInfo->name);
strcat(ret, ";");
}
ret[strlen(ret) - 1] = '\0';
Pa_Terminate();
return ret;
}
void
init_sound(synth_t * synth, PaStreamCallback *streamCallback, const int device_id)
{
printf("Before\n");
Pa_Initialize();
printf("after init\n");
int i, c=0;
const PaDeviceInfo *deviceInfo;
for( i=0; i< Pa_GetDeviceCount(); i++ ) {
deviceInfo = Pa_GetDeviceInfo(i);
if (deviceInfo->maxOutputChannels == 0) {
continue;
}
printf("dev: %s || %f || id:%d out:%d || lil:%f lol:%f\n", deviceInfo->name,
deviceInfo->defaultSampleRate, deviceInfo->maxInputChannels,
deviceInfo->maxOutputChannels, deviceInfo->defaultLowInputLatency,
deviceInfo->defaultLowOutputLatency);
if (c == device_id) break;
c++;
}
PaStreamParameters outputParameters;
outputParameters.device = i; Pa_GetDefaultOutputDevice(); /* default output device */
printf("-------\nSelected device: %s\n-------\n", Pa_GetDeviceInfo(outputParameters.device)->name);
outputParameters.channelCount = 2; /* stereo output */
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
outputParameters.hostApiSpecificStreamInfo = NULL;
PaError err;
err = Pa_OpenStream(&(synth->stream),
NULL, /* no input */
&outputParameters,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
paClipOff | paDitherOff, /* we won't output out of range samples so don't bother clipping them */
streamCallback,
synth );
if (err != paNoError) {
printf("Error opening stream with %s!!!!!", Pa_GetDeviceInfo(outputParameters.device)->name);
}
Pa_SetStreamFinishedCallback(synth->stream, &StreamFinished);
Pa_StartStream(synth->stream);
synth->sound_active = 1;
}
void
destroy_sound(synth_t * synth)
{
Pa_StopStream( synth->stream );
Pa_CloseStream( synth->stream );
Pa_Terminate();
}
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