void CFMODEx::ProcessSound()
{
EnterCriticalSection(&GUI.SoundCritSect);
S9xFinalizeSamples();
LeaveCriticalSection(&GUI.SoundCritSect);
}
static void S9xAudioCallback(void*)
{
S9xFinalizeSamples();
size_t avail = S9xGetSampleCount();
S9xMixSamples((uint8*)audio_buf, avail);
for (size_t i = 0; i < avail; i+=2)
s9x_audio_cb((uint16_t)audio_buf[i], (uint16_t)audio_buf[i + 1]);
}
static void S9xAudioCallback()
{
size_t avail;
/* Just pick a big buffer. We won't use it all. */
static int16_t audio_buf[0x10000];
S9xFinalizeSamples();
avail = S9xGetSampleCount();
S9xMixSamples(audio_buf, avail);
audio_batch_cb(audio_buf, avail >> 1);
}
static void S9xAudioCallback()
{
// Just pick a big buffer. We won't use it all.
static int16_t audio_buf[0x10000];
S9xFinalizeSamples();
size_t avail = S9xGetSampleCount();
S9xMixSamples(audio_buf, avail);
for (size_t i = 0; i < avail; i+=2)
s9x_audio_cb((uint16_t)audio_buf[i], (uint16_t)audio_buf[i + 1]);
}
static void S9xAudioCallback(void*)
{
const int BUFFER_SIZE = 256;
// This is called every time 128 to 132 samples are generated, which happens about 8 times per frame. A buffer size of 256 samples is enough here.
static int16_t audio_buf[BUFFER_SIZE];
S9xFinalizeSamples();
size_t avail = S9xGetSampleCount();
while (avail >= BUFFER_SIZE)
{
//this loop will never be entered, but handle oversized sample counts just in case
S9xMixSamples((uint8*)audio_buf, BUFFER_SIZE);
audio_batch_cb(audio_buf, BUFFER_SIZE >> 1);
avail -= BUFFER_SIZE;
}
if (avail > 0)
{
S9xMixSamples((uint8*)audio_buf, avail);
audio_batch_cb(audio_buf, avail >> 1);
}
/* CXAudio2::ProcessSound
The mixing function called by the sound core when new samples are available.
SoundBuffer is divided into blockCount blocks. If there are enought available samples and a free block,
the block is filled and queued to the source voice. bufferCount is increased by pushbuffer and decreased by
the OnBufferComplete callback.
*/
void CXAudio2::ProcessSound()
{
S9xFinalizeSamples();
if(!initDone)
return;
BYTE * curBuffer;
UINT32 availableSamples;
UINT32 availableBytes;
availableSamples = S9xGetSampleCount();
availableBytes = availableSamples * (Settings.SixteenBitSound ? 2 : 1);
while(availableSamples > singleBufferSamples && bufferCount < blockCount) {
curBuffer = soundBuffer + writeOffset;
S9xMixSamples(curBuffer,singleBufferSamples);
PushBuffer(singleBufferBytes,curBuffer,NULL);
writeOffset+=singleBufferBytes;
writeOffset%=sum_bufferSize;
}
}