static DWORD DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos, DWORD mixlen, BOOL mustlock, BOOL recover, BOOL *all_stopped)
{
INT i, len;
DWORD minlen = 0;
IDirectSoundBufferImpl *dsb;
BOOL gotall = TRUE;
/* unless we find a running buffer, all have stopped */
*all_stopped = TRUE;
TRACE("(%d,%d,%d)\n", writepos, mixlen, recover);
for (i = 0; i < device->nrofbuffers; i++) {
dsb = device->buffers[i];
TRACE("MixToPrimary for %p, state=%d\n", dsb, dsb->state);
if (dsb->buflen && dsb->state && !dsb->hwbuf) {
TRACE("Checking %p, mixlen=%d\n", dsb, mixlen);
if (!RtlAcquireResourceShared(&dsb->lock, mustlock))
{
gotall = FALSE;
continue;
}
/* if buffer is stopping it is stopped now */
if (dsb->state == STATE_STOPPING) {
dsb->state = STATE_STOPPED;
DSOUND_CheckEvent(dsb, 0, 0);
} else if (dsb->state != STATE_STOPPED) {
/* if recovering, reset the mix position */
if ((dsb->state == STATE_STARTING) || recover) {
dsb->primary_mixpos = writepos;
}
/* if the buffer was starting, it must be playing now */
if (dsb->state == STATE_STARTING)
dsb->state = STATE_PLAYING;
/* mix next buffer into the main buffer */
len = DSOUND_MixOne(dsb, writepos, mixlen);
if (!minlen) minlen = len;
/* record the minimum length mixed from all buffers */
/* we only want to return the length which *all* buffers have mixed */
else if (len) minlen = (len < minlen) ? len : minlen;
*all_stopped = FALSE;
}
RtlReleaseResource(&dsb->lock);
}
}
TRACE("Mixed at least %d from all buffers\n", minlen);
if (!gotall) return 0;
return minlen;
}
static void DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos, DWORD mixlen, BOOL recover, BOOL *all_stopped)
{
INT i;
IDirectSoundBufferImpl *dsb;
/* unless we find a running buffer, all have stopped */
*all_stopped = TRUE;
TRACE("(%d,%d,%d)\n", writepos, mixlen, recover);
for (i = 0; i < device->nrofbuffers; i++) {
dsb = device->buffers[i];
TRACE("MixToPrimary for %p, state=%d\n", dsb, dsb->state);
if (dsb->buflen && dsb->state) {
TRACE("Checking %p, mixlen=%d\n", dsb, mixlen);
RtlAcquireResourceShared(&dsb->lock, TRUE);
/* if buffer is stopping it is stopped now */
if (dsb->state == STATE_STOPPING) {
dsb->state = STATE_STOPPED;
DSOUND_CheckEvent(dsb, 0, 0);
} else if (dsb->state != STATE_STOPPED) {
/* if the buffer was starting, it must be playing now */
if (dsb->state == STATE_STARTING)
dsb->state = STATE_PLAYING;
/* mix next buffer into the main buffer */
DSOUND_MixOne(dsb, writepos, mixlen);
*all_stopped = FALSE;
}
RtlReleaseResource(&dsb->lock);
}
}
}
