void S_Update_(void)
{
unsigned endtime;
int samps;
if (!sound_started || (snd_blocked > 0))
return;
// Updates DMA time
GetSoundtime();
// check to make sure that we haven't overshot
if (paintedtime < soundtime)
{
//Con_Printf ("S_Update_ : overflow\n");
paintedtime = soundtime;
}
// mix ahead of current position
endtime = soundtime + _snd_mixahead.value * shm->speed;
samps = shm->samples >> (shm->channels-1);
if (endtime - soundtime > samps)
endtime = soundtime + samps;
#ifdef WIN32
// if the buffer was lost or stopped, restore it and/or restart it
{
DWORD dwStatus;
if (pDSBuf)
{
if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DD_OK)
Con_Printf ("Couldn't get sound buffer status\n");
if (dwStatus & DSBSTATUS_BUFFERLOST)
pDSBuf->lpVtbl->Restore (pDSBuf);
if (!(dwStatus & DSBSTATUS_PLAYING))
pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
}
}
#endif
S_PaintChannels (endtime);
SNDDMA_Submit ();
}
static void S_Update_ (void)
{
unsigned int endtime;
#ifdef _WIN32
DWORD dwStatus;
#endif
if (!shm || (snd_blocked > 0))
return;
// Updates DMA time
GetSoundtime();
// check to make sure that we haven't overshot
if (paintedtime < soundtime) {
//Com_Printf ("S_Update_ : overflow\n");
paintedtime = soundtime;
}
// mix ahead of current position
endtime = soundtime + (unsigned int) (s_mixahead.value * shm->format.speed);
endtime = min(endtime, (unsigned int)(soundtime + shm->sampleframes));
#ifdef _WIN32
// if the buffer was lost or stopped, restore it and/or restart it
if (pDSBuf) {
if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DS_OK)
Com_Printf ("Couldn't get sound buffer status\n");
if (dwStatus & DSBSTATUS_BUFFERLOST)
pDSBuf->lpVtbl->Restore (pDSBuf);
if (!(dwStatus & DSBSTATUS_PLAYING))
pDSBuf->lpVtbl->Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
}
#endif
S_PaintChannels (endtime);
SNDDMA_Submit ();
}
void S_Update_(void)
{
unsigned endtime;
int samps;
if (!sound_started)
return;
SNDDMA_BeginPainting ();
if (!dma.buffer)
return;
// Updates DMA time
GetSoundtime();
// check to make sure that we haven't overshot
if (paintedtime < soundtime)
{
Com_DPrintf ("S_Update_ : overflow\n");
paintedtime = soundtime;
}
// mix ahead of current position
endtime = soundtime + s_mixahead->value * dma.speed;
//endtime = (soundtime + 4096) & ~4095;
// mix to an even submission block size
endtime = (endtime + dma.submission_chunk-1)
& ~(dma.submission_chunk-1);
samps = dma.samples >> (dma.channels-1);
if (endtime - soundtime > samps)
endtime = soundtime + samps;
S_PaintChannels (endtime);
SNDDMA_Submit ();
}
