EXPORT(sqInt) primitiveSoundStop(void) {
snd_Stop();
if (interpreterProxy->failed()) {
return null;
}
return null;
}
primitiveSoundStop(void)
{
// SoundPlugin>>#primitiveSoundStop
snd_Stop();
if (failed()) {
return null;
}
return null;
}
int snd_Start(int frameCount, int samplesPerSec, int stereo, int semaIndex)
{
Synchronized<es::Monitor*> method(monitorPlayState);
if (!gSoundOutput)
{
return false;
}
int bytesPerFrame;
int bufferBytes;
bytesPerFrame = stereo ? 2 * BYTES_PER_SAMPLE : BYTES_PER_SAMPLE;
bufferBytes = ((frameCount * bytesPerFrame) / 8) * 8;
if (playState.open)
{
// still open from last time; clean up before continuing
snd_Stop();
}
int chan = (stereo ? 2 : 1);
Handle<es::AudioFormat> audio(gSoundOutput);
audio->setBitsPerSample(16);
audio->setChannels(chan);
audio->setSamplingRate(samplesPerSec);
playState.bufSizeInBytes = bufferBytes * 2;
playState.buffer = new u8[playState.bufSizeInBytes];
if (!playState.buffer)
{
return false;
}
memset(playState.buffer, 0, playState.bufSizeInBytes);
playState.open = false; // set to true if successful
playState.stereo = stereo;
playState.frameCount = bufferBytes / bytesPerFrame;
playState.sampleRate = samplesPerSec;
playState.lastFlipTime = ioMicroMSecs();
playState.playSemaIndex = semaIndex;
playState.playing = true;
playState.head = playState.tail = playState.buffer;
playState.done = false;
playState.open = true;
monitorPlayState->notifyAll();
return true;
}
void Sound_Tests(void)
{
int i ;
int j ;
gfx_Cls() ;
printf("Sound Tests\n") ;
putstr("Sound Tests") ;
snd_Volume(127) ;
snd_BufSize(2) ;
printf("Playing\n") ;
file_PlayWAV(soundtest) ;
sleep(10000) ;
printf("Pausing\n") ;
snd_Pause() ;
sleep(5000) ;
printf("Continuing\n") ;
snd_Continue() ;
sleep(5000) ;
printf("Playing with pitch\n") ;
i = snd_Pitch(0xFFFF) ;
printf("Original Pitch=%d\n",i) ;
sleep(5000) ;
snd_Pitch(trunc(i*2 /*one octave, 1.0594631 one semitone*/)) ;
sleep(5000) ;
snd_Pitch(trunc(i/2)) ;
sleep(5000) ;
snd_Pitch(i) ;
sleep(5000) ;
for (j = 1; j <= 5; j++)
{
i = snd_Playing() ;
printf("Blocks remaining=%d\r ",i) ;
sleep(2000) ;
}
printf("\n") ;
for (i = 127; i >= 8; i--)
{
snd_Volume(i) ; // 8 to 127 ;
printf("Volume=%d\r ",i) ;
sleep(100) ;
}
printf("\nStopping\n") ;
snd_Stop() ;
}
