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dsound: Simplify mixing by removing remixing support, and fix its waveout breakage. 

Based on a patch by Peter Dons Tychsen.
This commit is contained in:
Maarten Lankhorst 2007-06-13 17:05:49 +02:00 committed by Alexandre Julliard
parent 9591246002
commit a7d6ed8ea6
6 changed files with 396 additions and 619 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
dlls/dsound/buffer.c
View File

@ -236,8 +236,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
if (hres != DS_OK)
WARN("IDsDriverBuffer_SetVolumePan failed\n");
} else
DSOUND_ForceRemix(This);
}
}
LeaveCriticalSection(&(This->lock));
@ -297,8 +296,6 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
DSOUND_RecalcFormat(This);
if (!This->hwbuf)
DSOUND_ForceRemix(This);
}
LeaveCriticalSection(&(This->lock));
@ -424,29 +421,51 @@ DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD p
/* we need to know how far away we are from there */
if (pmix < pplay) pmix += device->buflen; /* wraparound */
pmix -= pplay;
/* detect buffer underrun */
/* detect buffer underrun (sanity) */
if (pwrite < pplay) pwrite += device->buflen; /* wraparound */
pwrite -= pplay;
if (pmix > (ds_snd_queue_max * device->fraglen + pwrite + device->writelead)) {
WARN("detected an underrun: primary queue was %d\n",pmix);
ERR("detected an underrun: primary queue was %d\n",pmix);
pmix = 0;
}
TRACE("primary back-samples=%d\n",pmix);
/* divide the offset by its sample size */
pmix /= device->pwfx->nBlockAlign;
TRACE("primary back-samples=%d\n",pmix);
/* adjust for our frequency */
pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
/* multiply by our own sample size */
pmix *= This->pwfx->nBlockAlign;
TRACE("this back-offset=%d\n", pmix);
/* sanity */
if(pmix > This->buflen){
ERR("Bad length in CalcPlayPosition!\n");
return 0;
}
/* subtract from our last mixed position */
while (bplay < pmix) bplay += This->buflen; /* wraparound */
if (bplay < pmix) bplay += This->buflen; /* wraparound */
bplay -= pmix;
/* check for lead-in */
if (This->leadin && ((bplay < This->startpos) || (bplay > This->buf_mixpos))) {
/* seems we haven't started playing yet */
TRACE("this still in lead-in phase\n");
bplay = This->startpos;
}
/* sanity */
if(bplay > This->buflen){
ERR("Bad play position in CalcPlayPosition!\n");
return 0;
}
/* return the result */
return bplay;
}
@ -469,13 +488,13 @@ static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
*playpos = This->buf_mixpos;
} else if (playpos) {
DWORD pplay, pwrite;
/* let's get this exact; first, recursively call GetPosition on the primary */
/* get primary lock, before messing with primary/device data */
EnterCriticalSection(&(This->device->mixlock));
/* let's get this exact; first, recursively call GetPosition on the primary */
if (DSOUND_PrimaryGetPosition(This->device, &pplay, &pwrite) != DS_OK)
WARN("DSOUND_PrimaryGetPosition failed\n");
/* detect HEL mode underrun */
if (!(This->device->hwbuf || This->device->pwqueue))
TRACE("detected an underrun\n");
if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->device->hwbuf) {
/* calculate play position using this */
*playpos = DSOUND_CalcPlayPosition(This, pplay, pwrite);
@ -489,7 +508,9 @@ static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
wp = (This->device->pwplay + ds_hel_margin) * This->device->fraglen;
wp %= This->device->buflen;
*playpos = DSOUND_CalcPlayPosition(This, wp, pwrite);
TRACE("Using non-GETCURRENTPOSITION2\n");
}
LeaveCriticalSection(&(This->device->mixlock));
}
if (writepos)
@ -504,7 +525,10 @@ static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
}
if (playpos)
This->last_playpos = *playpos;
TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
TRACE("playpos = %d, writepos = %d, buflen=%d (%p, time=%d)\n",
playpos?*playpos:0, writepos?*writepos:0, This->buflen, This, GetTickCount());
return DS_OK;
}
@ -610,19 +634,9 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
return DSERR_INVALIDPARAM;
}
/* **** */
EnterCriticalSection(&(This->lock));
if ((writebytes == This->buflen) &&
((This->state == STATE_STARTING) ||
(This->state == STATE_PLAYING)))
/* some games, like Half-Life, try to be clever (not) and
* keep one secondary buffer, and mix sounds into it itself,
* locking the entire buffer every time... so we can just forget
* about tracking the last-written-to-position... */
This->probably_valid_to = (DWORD)-1;
else
This->probably_valid_to = writecursor;
if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
hres = IDsDriverBuffer_Lock(This->hwbuf,
lplpaudioptr1, audiobytes1,
@ -635,7 +649,6 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
return hres;
}
} else {
BOOL remix = FALSE;
if (writecursor+writebytes <= This->buflen) {
*(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
*audiobytes1 = writebytes;
@ -643,6 +656,8 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
*(LPBYTE*)lplpaudioptr2 = NULL;
if (audiobytes2)
*audiobytes2 = 0;
TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n",
*(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
TRACE("->%d.0\n",writebytes);
} else {
*(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
@ -651,30 +666,12 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
*(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
if (audiobytes2)
*audiobytes2 = writebytes-(This->buflen-writecursor);
TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
}
if (This->state == STATE_PLAYING) {
/* if the segment between playpos and buf_mixpos is touched,
* we need to cancel some mixing */
/* we'll assume that the app always calls GetCurrentPosition before
* locking a playing buffer, so that last_playpos is up-to-date */
if (This->buf_mixpos >= This->last_playpos) {
if (This->buf_mixpos > writecursor &&
This->last_playpos < writecursor+writebytes)
remix = TRUE;
} else {
if (This->buf_mixpos > writecursor ||
This->last_playpos < writecursor+writebytes)
remix = TRUE;
}
if (remix) {
TRACE("locking prebuffered region, ouch\n");
DSOUND_MixCancelAt(This, writecursor);
}
TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n", *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
}
}
LeaveCriticalSection(&(This->lock));
/* **** */
return DS_OK;
}
@ -689,9 +686,15 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
/* **** */
EnterCriticalSection(&(This->lock));
/* start mixing from this new location instead */
newpos %= This->buflen;
newpos -= newpos%This->pwfx->nBlockAlign;
This->buf_mixpos = newpos;
/* at this point, do not attempt to reset buffers, mess with primary mix position,
or anything like that to reduce latancy. The data already prebuffered cannot be changed */
/* position HW buffer if applicable */
if (This->hwbuf) {
hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
if (hres != DS_OK)
@ -735,8 +738,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
if (hres != DS_OK)
WARN("IDsDriverBuffer_SetVolumePan failed\n");
} else
DSOUND_ForceRemix(This);
}
}
LeaveCriticalSection(&(This->lock));
@ -770,7 +772,6 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
) {
IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
DWORD probably_valid_to;
HRESULT hres = DS_OK;
TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
@ -784,22 +785,9 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
WARN("IDsDriverBuffer_Unlock failed\n");
}
if (hres == DS_OK) {
if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
probably_valid_to %= This->buflen;
if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
((This->state == STATE_STARTING) ||
(This->state == STATE_PLAYING)))
/* see IDirectSoundBufferImpl_Lock */
probably_valid_to = (DWORD)-1;
This->probably_valid_to = probably_valid_to;
}
LeaveCriticalSection(&(This->lock));
/* **** */
TRACE("probably_valid_to=%d\n", This->probably_valid_to);
return hres;
}
@ -1044,6 +1032,8 @@ HRESULT IDirectSoundBufferImpl_Create(
dsb->lpVtbl = &dsbvt;
dsb->iks = NULL;
dsb->remix_pos = 0;
/* size depends on version */
CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);

9
dlls/dsound/dsound_main.c
View File

@ -66,8 +66,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(dsound);
#define DS_HEL_QUEUE 5 /* HEL only: number of waveOut fragments ahead to queue to driver
* (this will affect HEL sound reliability and latency) */
#define DS_SND_QUEUE_MAX 28 /* max number of fragments to prebuffer */
#define DS_SND_QUEUE_MIN 12 /* min number of fragments to prebuffer */
#define DS_SND_QUEUE_MAX 10 /* max number of fragments to prebuffer */
DirectSoundDevice* DSOUND_renderer[MAXWAVEDRIVERS];
GUID DSOUND_renderer_guids[MAXWAVEDRIVERS];
@ -104,7 +103,6 @@ int ds_emuldriver = DS_EMULDRIVER;
int ds_hel_margin = DS_HEL_MARGIN;
int ds_hel_queue = DS_HEL_QUEUE;
int ds_snd_queue_max = DS_SND_QUEUE_MAX;
int ds_snd_queue_min = DS_SND_QUEUE_MIN;
int ds_hw_accel = DS_HW_ACCEL_FULL;
int ds_default_playback = 0;
int ds_default_capture = 0;
@ -170,9 +168,6 @@ void setup_dsound_options(void)
if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
ds_snd_queue_max = atoi(buffer);
if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
ds_snd_queue_min = atoi(buffer);
if (!get_config_key( hkey, appkey, "HardwareAcceleration", buffer, MAX_PATH )) {
if (strcmp(buffer, "Full") == 0)
ds_hw_accel = DS_HW_ACCEL_FULL;
@ -207,8 +202,6 @@ void setup_dsound_options(void)
WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
if (ds_hw_accel != DS_HW_ACCEL_FULL)
WARN("ds_hw_accel = %s (default=Full)\n",
ds_hw_accel==DS_HW_ACCEL_FULL ? "Full" :

16
dlls/dsound/dsound_private.h
View File

@ -20,10 +20,11 @@
*/
/* Linux does not support better timing than 10ms */
#define DS_TIME_RES 10 /* Resolution of multimedia timer */
#define DS_TIME_RES 2 /* Resolution of multimedia timer */
#define DS_TIME_DEL 10 /* Delay of multimedia timer callback, and duration of HEL fragment */
#define DS_HEL_FRAGS 48 /* HEL only: number of waveOut fragments in primary buffer
#define DS_HEL_BUFLEN 0x8000 /* HEL: The buffer length of the emulated buffer */
#define DS_HEL_FRAGS 0x40 /* HEL only: number of waveOut fragments in primary buffer
* (changing this won't help you) */
/* direct sound hardware acceleration levels */
@ -36,7 +37,6 @@ extern int ds_emuldriver;
extern int ds_hel_margin;
extern int ds_hel_queue;
extern int ds_snd_queue_max;
extern int ds_snd_queue_min;
extern int ds_hw_accel;
extern int ds_default_playback;
extern int ds_default_capture;
@ -91,7 +91,6 @@ struct DirectSoundDevice
PIDSDRIVERBUFFER hwbuf;
LPBYTE buffer;
DWORD writelead, buflen, state, playpos, mixpos;
BOOL need_remix;
int nrofbuffers;
IDirectSoundBufferImpl** buffers;
RTL_RWLOCK buffer_list_lock;
@ -168,14 +167,12 @@ struct IDirectSoundBufferImpl
DWORD playpos,startpos,writelead,buflen;
DWORD nAvgBytesPerSec;
DWORD freq;
DSVOLUMEPAN volpan, cvolpan;
DSVOLUMEPAN volpan;
DSBUFFERDESC dsbd;
/* used for frequency conversion (PerfectPitch) */
ULONG freqAdjust, freqAcc;
/* used for intelligent (well, sort of) prebuffering */
DWORD probably_valid_to, last_playpos;
DWORD primary_mixpos, buf_mixpos;
BOOL need_remix;
DWORD primary_mixpos, buf_mixpos, last_playpos, remix_pos;
/* IDirectSoundNotifyImpl fields */
IDirectSoundNotifyImpl* notify;
@ -439,9 +436,6 @@ DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD p
/* mixer.c */
void DSOUND_CheckEvent(IDirectSoundBufferImpl *dsb, int len);
void DSOUND_ForceRemix(IDirectSoundBufferImpl *dsb);
void DSOUND_MixCancelAt(IDirectSoundBufferImpl *dsb, DWORD buf_writepos);
void DSOUND_WaveQueue(DirectSoundDevice *device, DWORD mixq);
void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan);
void DSOUND_AmpFactorToVolPan(PDSVOLUMEPAN volpan);
void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb);

801
dlls/dsound/mixer.c
View File

@ -3,6 +3,7 @@
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 TransGaming Technologies, Inc.
* Copyright 2007 Peter Dons Tychsen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -315,11 +316,11 @@ static void DSOUND_MixerVol(IDirectSoundBufferImpl *dsb, BYTE *buf, INT len)
INT16 *bps = (INT16 *) buf;
TRACE("(%p,%p,%d)\n",dsb,buf,len);
TRACE("left = %x, right = %x\n", dsb->cvolpan.dwTotalLeftAmpFactor,
dsb->cvolpan.dwTotalRightAmpFactor);
TRACE("left = %x, right = %x\n", dsb->volpan.dwTotalLeftAmpFactor,
dsb->volpan.dwTotalRightAmpFactor);
if ((!(dsb->dsbd.dwFlags & DSBCAPS_CTRLPAN) || (dsb->cvolpan.lPan == 0)) &&
(!(dsb->dsbd.dwFlags & DSBCAPS_CTRLVOLUME) || (dsb->cvolpan.lVolume == 0)) &&
if ((!(dsb->dsbd.dwFlags & DSBCAPS_CTRLPAN) || (dsb->volpan.lPan == 0)) &&
(!(dsb->dsbd.dwFlags & DSBCAPS_CTRLVOLUME) || (dsb->volpan.lVolume == 0)) &&
!(dsb->dsbd.dwFlags & DSBCAPS_CTRL3D))
return; /* Nothing to do */
@ -335,7 +336,7 @@ static void DSOUND_MixerVol(IDirectSoundBufferImpl *dsb, BYTE *buf, INT len)
case 1:
for (i = 0; i < len; i++) {
INT val = *bpc - 128;
val = (val * dsb->cvolpan.dwTotalLeftAmpFactor) >> 16;
val = (val * dsb->volpan.dwTotalLeftAmpFactor) >> 16;
*bpc = val + 128;
bpc++;
}
@ -343,10 +344,10 @@ static void DSOUND_MixerVol(IDirectSoundBufferImpl *dsb, BYTE *buf, INT len)
case 2:
for (i = 0; i < len; i+=2) {
INT val = *bpc - 128;
val = (val * dsb->cvolpan.dwTotalLeftAmpFactor) >> 16;
val = (val * dsb->volpan.dwTotalLeftAmpFactor) >> 16;
*bpc++ = val + 128;
val = *bpc - 128;
val = (val * dsb->cvolpan.dwTotalRightAmpFactor) >> 16;
val = (val * dsb->volpan.dwTotalRightAmpFactor) >> 16;
*bpc = val + 128;
bpc++;
}
@ -361,15 +362,15 @@ static void DSOUND_MixerVol(IDirectSoundBufferImpl *dsb, BYTE *buf, INT len)
switch (dsb->device->pwfx->nChannels) {
case 1:
for (i = 0; i < len; i += 2) {
*bps = (*bps * dsb->cvolpan.dwTotalLeftAmpFactor) >> 16;
*bps = (*bps * dsb->volpan.dwTotalLeftAmpFactor) >> 16;
bps++;
}
break;
case 2:
for (i = 0; i < len; i += 4) {
*bps = (*bps * dsb->cvolpan.dwTotalLeftAmpFactor) >> 16;
*bps = (*bps * dsb->volpan.dwTotalLeftAmpFactor) >> 16;
bps++;
*bps = (*bps * dsb->cvolpan.dwTotalRightAmpFactor) >> 16;
*bps = (*bps * dsb->volpan.dwTotalRightAmpFactor) >> 16;
bps++;
}
break;
@ -447,9 +448,10 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
if (len % dsb->device->pwfx->nBlockAlign) {
INT nBlockAlign = dsb->device->pwfx->nBlockAlign;
ERR("length not a multiple of block size, len = %d, block size = %d\n", len, nBlockAlign);
len = (len / nBlockAlign) * nBlockAlign; /* data alignment */
len -= len % nBlockAlign; /* data alignment */
}
/* Create temp buffer to hold actual resulting data */
if ((buf = ibuf = DSOUND_tmpbuffer(dsb->device, len)) == NULL)
return 0;
@ -459,6 +461,8 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
buffer, translating frequency/bits-per-sample/number-of-channels
to match the device settings */
ilen = DSOUND_MixerNorm(dsb, ibuf, len);
/* then apply the correct volume, if necessary */
if ((dsb->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
(dsb->dsbd.dwFlags & DSBCAPS_CTRLVOLUME) ||
(dsb->dsbd.dwFlags & DSBCAPS_CTRL3D))
@ -555,173 +559,6 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
return len;
}
static void DSOUND_PhaseCancel(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD len)
{
INT ilen, field;
UINT i, todo;
BYTE *buf, *ibuf;
TRACE("(%p,%d,%d)\n",dsb,writepos,len);
if (len % dsb->device->pwfx->nBlockAlign) {
INT nBlockAlign = dsb->device->pwfx->nBlockAlign;
ERR("length not a multiple of block size, len = %d, block size = %d\n", len, nBlockAlign);
len = (len / nBlockAlign) * nBlockAlign; /* data alignment */
}
if ((buf = ibuf = DSOUND_tmpbuffer(dsb->device, len)) == NULL)
return;
TRACE("PhaseCancel (%p) len = %d, dest = %d\n", dsb, len, writepos);
ilen = DSOUND_MixerNorm(dsb, ibuf, len);
if ((dsb->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
(dsb->dsbd.dwFlags & DSBCAPS_CTRLVOLUME) ||
(dsb->dsbd.dwFlags & DSBCAPS_CTRL3D))
DSOUND_MixerVol(dsb, ibuf, len);
/* subtract instead of add, to phase out premixed data */
if (dsb->device->pwfx->wBitsPerSample == 8) {
BYTE *obuf = dsb->device->buffer + writepos;
if ((writepos + len) <= dsb->device->buflen)
todo = len;
else
todo = dsb->device->buflen - writepos;
for (i = 0; i < todo; i++) {
/* 8-bit WAV is unsigned */
field = (*obuf - 128);
field -= (*ibuf++ - 128);
if (field > 127) field = 127;
else if (field < -128) field = -128;
*obuf++ = field + 128;
}
if (todo < len) {
todo = len - todo;
obuf = dsb->device->buffer;
for (i = 0; i < todo; i++) {
/* 8-bit WAV is unsigned */
field = (*obuf - 128);
field -= (*ibuf++ - 128);
if (field > 127) field = 127;
else if (field < -128) field = -128;
*obuf++ = field + 128;
}
}
} else {
INT16 *ibufs, *obufs;
ibufs = (INT16 *) ibuf;
obufs = (INT16 *)(dsb->device->buffer + writepos);
if ((writepos + len) <= dsb->device->buflen)
todo = len / 2;
else
todo = (dsb->device->buflen - writepos) / 2;
for (i = 0; i < todo; i++) {
/* 16-bit WAV is signed */
field = *obufs;
field -= *ibufs++;
if (field > 32767) field = 32767;
else if (field < -32768) field = -32768;
*obufs++ = field;
}
if (todo < (len / 2)) {
todo = (len / 2) - todo;
obufs = (INT16 *)dsb->device->buffer;
for (i = 0; i < todo; i++) {
/* 16-bit WAV is signed */
field = *obufs;
field -= *ibufs++;
if (field > 32767) field = 32767;
else if (field < -32768) field = -32768;
*obufs++ = field;
}
}
}
}
static void DSOUND_MixCancel(IDirectSoundBufferImpl *dsb, DWORD writepos, BOOL cancel)
{
DWORD size, flen, len, npos, nlen;
INT iAdvance = dsb->pwfx->nBlockAlign;
INT oAdvance = dsb->device->pwfx->nBlockAlign;
/* determine amount of premixed data to cancel */
DWORD primary_done =
((dsb->primary_mixpos < writepos) ? dsb->device->buflen : 0) +
dsb->primary_mixpos - writepos;
TRACE("(%p, %d), buf_mixpos=%d\n", dsb, writepos, dsb->buf_mixpos);
/* backtrack the mix position */
size = primary_done / oAdvance;
flen = size * dsb->freqAdjust;
len = (flen >> DSOUND_FREQSHIFT) * iAdvance;
flen &= (1<<DSOUND_FREQSHIFT)-1;
while (dsb->freqAcc < flen) {
len += iAdvance;
dsb->freqAcc += 1<<DSOUND_FREQSHIFT;
}
len %= dsb->buflen;
npos = ((dsb->buf_mixpos < len) ? dsb->buflen : 0) +
dsb->buf_mixpos - len;
if (dsb->leadin && (dsb->startpos > npos) && (dsb->startpos <= npos + len)) {
/* stop backtracking at startpos */
npos = dsb->startpos;
len = ((dsb->buf_mixpos < npos) ? dsb->buflen : 0) +
dsb->buf_mixpos - npos;
flen = dsb->freqAcc;
nlen = len / dsb->pwfx->nBlockAlign;
nlen = ((nlen << DSOUND_FREQSHIFT) + flen) / dsb->freqAdjust;
nlen *= dsb->device->pwfx->nBlockAlign;
writepos =
((dsb->primary_mixpos < nlen) ? dsb->device->buflen : 0) +
dsb->primary_mixpos - nlen;
}
dsb->freqAcc -= flen;
dsb->buf_mixpos = npos;
dsb->primary_mixpos = writepos;
TRACE("new buf_mixpos=%d, primary_mixpos=%d (len=%d)\n",
dsb->buf_mixpos, dsb->primary_mixpos, len);
if (cancel) DSOUND_PhaseCancel(dsb, writepos, len);
}
void DSOUND_MixCancelAt(IDirectSoundBufferImpl *dsb, DWORD buf_writepos)
{
#if 0
DWORD i, size, flen, len, npos, nlen;
INT iAdvance = dsb->pwfx->nBlockAlign;
INT oAdvance = dsb->device->pwfx->nBlockAlign;
/* determine amount of premixed data to cancel */
DWORD buf_done =
((dsb->buf_mixpos < buf_writepos) ? dsb->buflen : 0) +
dsb->buf_mixpos - buf_writepos;
#endif
WARN("(%p, %d), buf_mixpos=%d\n", dsb, buf_writepos, dsb->buf_mixpos);
/* since this is not implemented yet, just cancel *ALL* prebuffering for now
* (which is faster anyway when there's only a single secondary buffer) */
dsb->device->need_remix = TRUE;
}
void DSOUND_ForceRemix(IDirectSoundBufferImpl *dsb)
{
TRACE("(%p)\n",dsb);
EnterCriticalSection(&dsb->lock);
if (dsb->state == STATE_PLAYING)
dsb->device->need_remix = TRUE;
LeaveCriticalSection(&dsb->lock);
}
/**
* Calculate the distance between two buffer offsets, taking wraparound
* into account.
@ -751,149 +588,70 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, DWORD playpos, DWORD wri
{
/* The buffer's primary_mixpos may be before or after the the device
* buffer's mixpos, but both must be ahead of writepos. */
DWORD len, slen;
/* determine this buffer's write position */
DWORD buf_writepos = DSOUND_CalcPlayPosition(dsb, writepos, writepos);
/* determine how much already-mixed data exists */
DWORD buf_done = DSOUND_BufPtrDiff(dsb->buflen, dsb->buf_mixpos, buf_writepos);
DWORD primary_done = DSOUND_BufPtrDiff(dsb->device->buflen, dsb->primary_mixpos, writepos);
DWORD adv_done = DSOUND_BufPtrDiff(dsb->device->buflen, dsb->device->mixpos, writepos);
DWORD played = DSOUND_BufPtrDiff(dsb->buflen, buf_writepos, dsb->playpos);
DWORD buf_left = dsb->buflen - buf_writepos;
int still_behind;
DWORD primary_done;
TRACE("(%p,%d,%d,%d)\n",dsb,playpos,writepos,mixlen);
TRACE("buf_writepos=%d, primary_writepos=%d\n", buf_writepos, writepos);
TRACE("buf_done=%d, primary_done=%d\n", buf_done, primary_done);
TRACE("buf_mixpos=%d, primary_mixpos=%d, mixlen=%d\n", dsb->buf_mixpos, dsb->primary_mixpos,
mixlen);
TRACE("looping=%d, startpos=%d, leadin=%d\n", dsb->playflags, dsb->startpos, dsb->leadin);
TRACE("writepos=%d, buf_mixpos=%d, primary_mixpos=%d, mixlen=%d\n", writepos, dsb->buf_mixpos, dsb->primary_mixpos, mixlen);
TRACE("looping=%d, startpos=%d, leadin=%d, buflen=%d\n", dsb->playflags, dsb->startpos, dsb->leadin, dsb->buflen);
/* check for notification positions */
if (dsb->dsbd.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY &&
dsb->state != STATE_STARTING) {
DSOUND_CheckEvent(dsb, played);
DSOUND_CheckEvent(dsb, mixlen);
}
/* save write position for non-GETCURRENTPOSITION2... */
dsb->playpos = buf_writepos;
dsb->playpos = writepos;
/* check whether CalcPlayPosition detected a mixing underrun */
if ((buf_done == 0) && (dsb->primary_mixpos != writepos)) {
/* it did, but did we have more to play? */
if ((dsb->playflags & DSBPLAY_LOOPING) ||
(dsb->buf_mixpos < dsb->buflen)) {
/* yes, have to recover */
ERR("underrun on sound buffer %p\n", dsb);
TRACE("recovering from underrun: primary_mixpos=%d\n", writepos);
}
dsb->primary_mixpos = writepos;
primary_done = 0;
}
/* determine how far ahead we should mix */
if (((dsb->playflags & DSBPLAY_LOOPING) ||
(dsb->leadin && (dsb->probably_valid_to != 0))) &&
!(dsb->dsbd.dwFlags & DSBCAPS_STATIC)) {
/* if this is a streaming buffer, it typically means that
* we should defer mixing past probably_valid_to as long
* as we can, to avoid unnecessary remixing */
/* the heavy-looking calculations shouldn't be that bad,
* as any game isn't likely to be have more than 1 or 2
* streaming buffers in use at any time anyway... */
DWORD probably_valid_left =
(dsb->probably_valid_to == (DWORD)-1) ? dsb->buflen :
((dsb->probably_valid_to < buf_writepos) ? dsb->buflen : 0) +
dsb->probably_valid_to - buf_writepos;
/* check for leadin condition */
if ((probably_valid_left == 0) &&
(dsb->probably_valid_to == dsb->startpos) &&
dsb->leadin)
probably_valid_left = dsb->buflen;
TRACE("streaming buffer probably_valid_to=%d, probably_valid_left=%d\n",
dsb->probably_valid_to, probably_valid_left);
/* check whether the app's time is already up */
if (probably_valid_left < dsb->writelead) {
WARN("probably_valid_to now within writelead, possible streaming underrun\n");
/* once we pass the point of no return,
* no reason to hold back anymore */
dsb->probably_valid_to = (DWORD)-1;
/* we just have to go ahead and mix what we have,
* there's no telling what the app is thinking anyway */
} else {
/* adjust for our frequency and our sample size */
probably_valid_left = MulDiv(probably_valid_left,
1 << DSOUND_FREQSHIFT,
dsb->pwfx->nBlockAlign * dsb->freqAdjust) *
dsb->device->pwfx->nBlockAlign;
/* check whether to clip mix_len */
if (probably_valid_left < mixlen) {
TRACE("clipping to probably_valid_left=%d\n", probably_valid_left);
mixlen = probably_valid_left;
}
}
}
/* cut mixlen with what's already been mixed */
if (mixlen < primary_done) {
/* huh? and still CalcPlayPosition didn't
* detect an underrun? */
FIXME("problem with underrun detection (mixlen=%d < primary_done=%d)\n", mixlen, primary_done);
/* calculate how much pre-buffering has already been done for this buffer */
primary_done = DSOUND_BufPtrDiff(dsb->device->buflen, dsb->primary_mixpos, writepos);
/* sanity */
if(mixlen < primary_done)
{
/* Should *NEVER* happen */
ERR("Fatal error. Under/Overflow? primary_done=%d, mixpos=%d, primary_mixpos=%d, writepos=%d, playpos=%d\n", primary_done,dsb->buf_mixpos,dsb->primary_mixpos, writepos, playpos);
return 0;
}
len = mixlen - primary_done;
TRACE("remaining mixlen=%d\n", len);
if (len < dsb->device->fraglen) {
/* smaller than a fragment, wait until it gets larger
* before we take the mixing overhead */
TRACE("mixlen not worth it, deferring mixing\n");
still_behind = 1;
goto post_mix;
}
/* take into acount already mixed data */
mixlen = mixlen - primary_done;
/* ok, we know how much to mix, let's go */
still_behind = (adv_done > primary_done);
while (len) {
slen = dsb->device->buflen - dsb->primary_mixpos;
if (slen > len) slen = len;
slen = DSOUND_MixInBuffer(dsb, dsb->primary_mixpos, slen);
TRACE("mixlen (primary) = %i\n", mixlen);
if ((dsb->primary_mixpos < dsb->device->mixpos) &&
(dsb->primary_mixpos + slen >= dsb->device->mixpos))
still_behind = FALSE;
/* clip to valid length */
mixlen = (dsb->buflen < mixlen) ? dsb->buflen : mixlen;
dsb->primary_mixpos += slen; len -= slen;
dsb->primary_mixpos %= dsb->device->buflen;
TRACE("primary_done=%d, mixlen (buffer)=%d\n", primary_done, mixlen);
if ((dsb->state == STATE_STOPPED) || !slen) break;
}
TRACE("new primary_mixpos=%d, primary_advbase=%d\n", dsb->primary_mixpos, dsb->device->mixpos);
TRACE("mixed data len=%d, still_behind=%d\n", mixlen-len, still_behind);
/* mix more data */
mixlen = DSOUND_MixInBuffer(dsb, dsb->primary_mixpos, mixlen);
/* increase mix position */
dsb->primary_mixpos += mixlen;
dsb->primary_mixpos %= dsb->device->buflen;
TRACE("new primary_mixpos=%d, mixed data len=%d, buffer left = %d\n",
dsb->primary_mixpos, mixlen, (dsb->buflen - dsb->buf_mixpos));
/* re-calculate the primary done */
primary_done = DSOUND_BufPtrDiff(dsb->device->buflen, dsb->primary_mixpos, writepos);
post_mix:
/* check if buffer should be considered complete */
if (buf_left < dsb->writelead &&
if (((dsb->buflen - dsb->buf_mixpos) < dsb->writelead) &&
!(dsb->playflags & DSBPLAY_LOOPING)) {
TRACE("Buffer reached end. Stopped\n");
dsb->state = STATE_STOPPED;
dsb->playpos = 0;
dsb->last_playpos = 0;
dsb->buf_mixpos = 0;
dsb->leadin = FALSE;
dsb->need_remix = FALSE;
DSOUND_CheckEvent(dsb, buf_left);
DSOUND_CheckEvent(dsb, mixlen);
}
/* return how far we think the primary buffer can
* advance its underrun detector...*/
if (still_behind) return 0;
if ((mixlen - len) < primary_done) return 0;
slen = DSOUND_BufPtrDiff(dsb->device->buflen, dsb->primary_mixpos, dsb->device->mixpos);
if (slen > mixlen) {
/* the primary_done and still_behind checks above should have worked */
FIXME("problem with advancement calculation (advlen=%d > mixlen=%d)\n", slen, mixlen);
slen = 0;
}
return slen;
/* Report back the total prebuffered amount for this buffer */
return primary_done;
}
/**
@ -906,128 +664,131 @@ post_mix:
* (beyond the current writepos)
* recover = true if the sound device may have been reset and the write
* position in the device buffer changed
* all_stopped = reports back if all buffers have stopped
*
* Returns: the length beyond the writepos that was mixed to.
*/
static DWORD DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD playpos, DWORD writepos,
DWORD mixlen, BOOL recover)
DWORD mixlen, BOOL recover, BOOL *all_stopped)
{
INT i, len, maxlen = 0;
INT i, len;
DWORD minlen = 0;
IDirectSoundBufferImpl *dsb;
/* unless we find a running buffer, all have stopped */
*all_stopped = TRUE;
TRACE("(%d,%d,%d,%d)\n", playpos, 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);
EnterCriticalSection(&(dsb->lock));
/* if buffer is stopping it is stopped now */
if (dsb->state == STATE_STOPPING) {
DSOUND_MixCancel(dsb, writepos, TRUE);
dsb->state = STATE_STOPPED;
DSOUND_CheckEvent(dsb, 0);
} else {
/* if recovering, reset the mix position */
if ((dsb->state == STATE_STARTING) || recover) {
dsb->primary_mixpos = writepos;
dsb->cvolpan = dsb->volpan;
dsb->need_remix = FALSE;
}
else if (dsb->need_remix) {
DSOUND_MixCancel(dsb, writepos, TRUE);
dsb->cvolpan = dsb->volpan;
dsb->need_remix = FALSE;
}
/* mix next buffer into the main buffer */
len = DSOUND_MixOne(dsb, playpos, writepos, mixlen);
/* if the buffer was starting, it must be playing now */
if (dsb->state == STATE_STARTING)
dsb->state = STATE_PLAYING;
maxlen = (len > maxlen) ? len : maxlen;
/* check if min-len should be initialized */
if(minlen == 0) minlen = len;
/* record the minimum length mixed from all buffers */
/* we only want to return the length which *all* buffers have mixed */
if(len != 0) minlen = (len < minlen) ? len : minlen;
}
if(dsb->state != STATE_STOPPED){
*all_stopped = FALSE;
}
LeaveCriticalSection(&(dsb->lock));
}
}
return maxlen;
TRACE("Mixed at least %d from all buffers\n", minlen);
return minlen;
}
static void DSOUND_MixReset(DirectSoundDevice *device, DWORD writepos)
/**
* Add buffers to the emulated wave device system.
*
* device = The current dsound playback device
* force = If TRUE, the function will buffer up as many frags as possible,
* even though and will ignore the actual state of the primary buffer.
*
* Returns: None
*/
static void DSOUND_WaveQueue(DirectSoundDevice *device, BOOL force)
{
INT i;
IDirectSoundBufferImpl *dsb;
int nfiller;
DWORD prebuf_frags, wave_writepos, wave_fragpos, i;
TRACE("(%p)\n", device);
TRACE("(%p,%d)\n", device, writepos);
/* calculate the current wave frag position */
wave_fragpos = (device->pwplay + device->pwqueue) % DS_HEL_FRAGS;
/* the sound of silence */
nfiller = device->pwfx->wBitsPerSample == 8 ? 128 : 0;
/* calculte the current wave write position */
wave_writepos = wave_fragpos * device->fraglen;
/* reset all buffer mix positions */
for (i = 0; i < device->nrofbuffers; i++) {
dsb = device->buffers[i];
TRACE("wave_fragpos = %i, wave_writepos = %i, pwqueue = %i, ds_hel_queue= %i\n",
wave_fragpos, wave_writepos, device->pwqueue, ds_hel_queue);
if (dsb->buflen && dsb->state && !dsb->hwbuf) {
TRACE("Resetting %p\n", dsb);
EnterCriticalSection(&(dsb->lock));
if (dsb->state == STATE_STOPPING) {
dsb->state = STATE_STOPPED;
}
else if (dsb->state == STATE_STARTING) {
/* nothing */
} else {
DSOUND_MixCancel(dsb, writepos, FALSE);
dsb->cvolpan = dsb->volpan;
dsb->need_remix = FALSE;
}
LeaveCriticalSection(&(dsb->lock));
}
if(force == FALSE){
/* check remaining prebuffered frags */
prebuf_frags = DSOUND_BufPtrDiff(device->buflen, device->mixpos, wave_writepos);
prebuf_frags = prebuf_frags / device->fraglen;
}
else{
/* buffer the maximum amount of frags */
prebuf_frags = device->prebuf;
}
/* wipe out premixed data */
if (device->mixpos < writepos) {
FillMemory(device->buffer + writepos, device->buflen - writepos, nfiller);
FillMemory(device->buffer, device->mixpos, nfiller);
} else {
FillMemory(device->buffer + writepos, device->mixpos - writepos, nfiller);
/* limit to the queue we have left */
if((prebuf_frags + device->pwqueue) > device->prebuf)
prebuf_frags = device->prebuf - device->pwqueue;
TRACE("prebuf_frags = %i\n", prebuf_frags);
/* adjust queue */
device->pwqueue += prebuf_frags;
/* get out of CS when calling the wave system */
LeaveCriticalSection(&(device->mixlock));
/* **** */
/* queue up the new buffers */
for(i=0; i<prebuf_frags; i++){
TRACE("queueing wave buffer %i\n", wave_fragpos);
waveOutWrite(device->hwo, device->pwave[wave_fragpos], sizeof(WAVEHDR));
wave_fragpos++;
wave_fragpos %= DS_HEL_FRAGS;
}
/* reset primary mix position */
device->mixpos = writepos;
/* **** */
EnterCriticalSection(&(device->mixlock));
TRACE("queue now = %i\n", device->pwqueue);
}
static void DSOUND_CheckReset(DirectSoundDevice *device, DWORD writepos)
{
TRACE("(%p,%d)\n",device,writepos);
if (device->need_remix) {
DSOUND_MixReset(device, writepos);
device->need_remix = FALSE;
/* maximize Half-Life performance */
device->prebuf = ds_snd_queue_min;
device->precount = 0;
} else {
device->precount++;
if (device->precount >= 4) {
if (device->prebuf < ds_snd_queue_max)
device->prebuf++;
device->precount = 0;
}
}
TRACE("premix adjust: %d\n", device->prebuf);
}
void DSOUND_WaveQueue(DirectSoundDevice *device, DWORD mixq)
{
TRACE("(%p,%d)\n", device, mixq);
if (mixq + device->pwqueue > ds_hel_queue) mixq = ds_hel_queue - device->pwqueue;
TRACE("queueing %d buffers, starting at %d\n", mixq, device->pwwrite);
for (; mixq; mixq--) {
waveOutWrite(device->hwo, device->pwave[device->pwwrite], sizeof(WAVEHDR));
device->pwwrite++;
if (device->pwwrite >= DS_HEL_FRAGS) device->pwwrite = 0;
device->pwqueue++;
}
}
/* #define SYNC_CALLBACK */
/**
* Perform mixing for a Direct Sound device. That is, go through all the
* secondary buffers (the sound bites currently playing) and mix them in
@ -1035,151 +796,164 @@ void DSOUND_WaveQueue(DirectSoundDevice *device, DWORD mixq)
*/
static void DSOUND_PerformMix(DirectSoundDevice *device)
{
int nfiller;
BOOL forced;
HRESULT hres;
TRACE("(%p)\n", device);
/* the sound of silence */
nfiller = device->pwfx->wBitsPerSample == 8 ? 128 : 0;
/* whether the primary is forced to play even without secondary buffers */
forced = ((device->state == STATE_PLAYING) || (device->state == STATE_STARTING));
/* **** */
EnterCriticalSection(&(device->mixlock));
if (device->priolevel != DSSCL_WRITEPRIMARY) {
BOOL paused = ((device->state == STATE_STOPPED) || (device->state == STATE_STARTING));
/* FIXME: document variables */
DWORD playpos, writepos, inq, maxq, frag;
if (device->hwbuf) {
hres = IDsDriverBuffer_GetPosition(device->hwbuf, &playpos, &writepos);
if (hres) {
WARN("IDsDriverBuffer_GetPosition failed\n");
return;
}
/* Well, we *could* do Just-In-Time mixing using the writepos,
* but that's a little bit ambitious and unnecessary... */
/* rather add our safety margin to the writepos, if we're playing */
if (!paused) {
writepos += device->writelead;
writepos %= device->buflen;
} else writepos = playpos;
} else {
playpos = device->pwplay * device->fraglen;
writepos = playpos;
if (!paused) {
writepos += ds_hel_margin * device->fraglen;
writepos %= device->buflen;
}
BOOL recover = FALSE, all_stopped = FALSE;
DWORD playpos, writepos, writelead, maxq, frag, prebuff_max, prebuff_left, size1, size2;
LPVOID buf1, buf2;
BOOL lock = (device->hwbuf && !(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK));
int nfiller;
/* the sound of silence */
nfiller = device->pwfx->wBitsPerSample == 8 ? 128 : 0;
/* get the position in the primary buffer */
if (DSOUND_PrimaryGetPosition(device, &playpos, &writepos) != 0){
LeaveCriticalSection(&(device->mixlock));
return;
}
TRACE("primary playpos=%d, writepos=%d, clrpos=%d, mixpos=%d, buflen=%d\n",
playpos,writepos,device->playpos,device->mixpos,device->buflen);
assert(device->playpos < device->buflen);
/* wipe out just-played sound data */
if (playpos < device->playpos) {
FillMemory(device->buffer + device->playpos, device->buflen - device->playpos, nfiller);
FillMemory(device->buffer, playpos, nfiller);
buf1 = device->buffer + device->playpos;
buf2 = device->buffer;
size1 = device->buflen - device->playpos;
size2 = playpos;
if (lock)
IDsDriverBuffer_Lock(device->hwbuf, &buf1, &size1, &buf2, &size2, device->playpos, size1+size2, 0);
FillMemory(buf1, size1, nfiller);
if (playpos && (!buf2 || !size2))
FIXME("%d: (%d, %d)=>(%d, %d) There should be an additional buffer here!!\n", __LINE__, device->playpos, device->mixpos, playpos, writepos);
FillMemory(buf2, size2, nfiller);
if (lock)
IDsDriverBuffer_Unlock(device->hwbuf, buf1, size1, buf2, size2);
} else {
FillMemory(device->buffer + device->playpos, playpos - device->playpos, nfiller);
buf1 = device->buffer + device->playpos;
buf2 = NULL;
size1 = playpos - device->playpos;
size2 = 0;
if (lock)
IDsDriverBuffer_Lock(device->hwbuf, &buf1, &size1, &buf2, &size2, device->playpos, size1+size2, 0);
FillMemory(buf1, size1, nfiller);
if (buf2 && size2)
{
FIXME("%d: There should be no additional buffer here!!\n", __LINE__);
FillMemory(buf2, size2, nfiller);
}
if (lock)
IDsDriverBuffer_Unlock(device->hwbuf, buf1, size1, buf2, size2);
}
device->playpos = playpos;
EnterCriticalSection(&(device->mixlock));
/* calc maximum prebuff */
prebuff_max = (device->prebuf * device->fraglen);
/* reset mixing if necessary */
DSOUND_CheckReset(device, writepos);
/* check how close we are to an underrun. It occurs when the writepos overtakes the mixpos */
prebuff_left = DSOUND_BufPtrDiff(device->buflen, device->mixpos, playpos);
/* check how much prebuffering is left */
inq = DSOUND_BufPtrDiff(device->buflen, device->mixpos, writepos);
writelead = DSOUND_BufPtrDiff(device->buflen, writepos, playpos);
/* find the maximum we can prebuffer */
if (!paused)
maxq = DSOUND_BufPtrDiff(device->buflen, playpos, writepos);
/* If we get the whole buffer, difference is 0, so we need to set whole buffer then */
if (paused || !maxq)
maxq = device->buflen;
/* find the maximum we can prebuffer from current write position */
maxq = prebuff_max - prebuff_left;
maxq = (writelead < prebuff_max) ? (prebuff_max - writelead) : 0;
/* clip maxq to device->prebuf */
frag = device->prebuf * device->fraglen;
if (maxq > frag)
maxq = frag;
TRACE("prebuff_left = %d, prebuff_max = %dx%d=%d, writelead=%d\n",
prebuff_left, device->prebuf, device->fraglen, prebuff_max, writelead);
/* check for consistency */
if (inq > maxq) {
/* the playback position must have passed our last
* mixed position, i.e. it's an underrun, or we have
* nothing more to play */
TRACE("reached end of mixed data (inq=%d, maxq=%d)\n", inq, maxq);
inq = 0;
/* stop the playback now, to allow buffers to refill */
if (device->state == STATE_PLAYING) {
device->state = STATE_STARTING;
}
else if (device->state == STATE_STOPPING) {
device->state = STATE_STOPPED;
}
else {
/* how can we have an underrun if we aren't playing? */
WARN("unexpected primary state (%d)\n", device->state);
}
#ifdef SYNC_CALLBACK
/* DSOUND_callback may need this lock */
LeaveCriticalSection(&(device->mixlock));
#endif
if (DSOUND_PrimaryStop(device) != DS_OK)
WARN("DSOUND_PrimaryStop failed\n");
#ifdef SYNC_CALLBACK
EnterCriticalSection(&(device->mixlock));
#endif
if (device->hwbuf) {
/* the Stop is supposed to reset play position to beginning of buffer */
/* unfortunately, OSS is not able to do so, so get current pointer */
hres = IDsDriverBuffer_GetPosition(device->hwbuf, &playpos, NULL);
if (hres) {
LeaveCriticalSection(&(device->mixlock));
WARN("IDsDriverBuffer_GetPosition failed\n");
return;
}
} else {
playpos = device->pwplay * device->fraglen;
}
writepos = playpos;
device->playpos = playpos;
/* check for underrun. underrun occurs when the write position passes the mix position */
if((prebuff_left > prebuff_max) || (device->state == STATE_STOPPED) || (device->state == STATE_STARTING)){
TRACE("Buffer starting or buffer underrun\n");
/* recover mixing for all buffers */
recover = TRUE;
/* reset mix position to write position */
device->mixpos = writepos;
inq = 0;
maxq = device->buflen;
if (maxq > frag) maxq = frag;
FillMemory(device->buffer, device->buflen, nfiller);
paused = TRUE;
}
if (lock)
IDsDriverBuffer_Lock(device->hwbuf, &buf1, &size1, &buf2, &size2, device->mixpos, maxq, 0);
/* do the mixing */
frag = DSOUND_MixToPrimary(device, playpos, writepos, maxq, paused);
if (forced) frag = maxq - inq;
device->mixpos += frag;
frag = DSOUND_MixToPrimary(device, playpos, writepos, maxq, recover, &all_stopped);
/* update the mix position, taking wrap-around into acount */
device->mixpos = writepos + frag;
device->mixpos %= device->buflen;
if (frag) {
/* buffers have been filled, restart playback */
if (device->state == STATE_STARTING) {
device->state = STATE_PLAYING;
if (lock)
{
DWORD frag2 = (frag > size1 ? frag - size1 : 0);
frag -= frag2;
if (frag2 > size2)
{
FIXME("Buffering too much! (%d, %d, %d, %d)\n", maxq, frag, size2, frag2 - size2);
frag2 = size2;
}
else if (device->state == STATE_STOPPED) {
/* the dsound is supposed to play if there's something to play
* even if it is reported as stopped, so don't let this confuse you */
device->state = STATE_STOPPING;
IDsDriverBuffer_Unlock(device->hwbuf, buf1, frag, buf2, frag2);
}
/* update prebuff left */
prebuff_left = DSOUND_BufPtrDiff(device->buflen, device->mixpos, playpos);
/* check if have a whole fragment */
if (prebuff_left >= device->fraglen){
/* update the wave queue if using wave system */
if(device->hwbuf == NULL){
DSOUND_WaveQueue(device,TRUE);
}
LeaveCriticalSection(&(device->mixlock));
if (paused) {
if (DSOUND_PrimaryPlay(device) != DS_OK)
/* buffers are full. start playing if applicable */
if(device->state == STATE_STARTING){
TRACE("started primary buffer\n");
if(DSOUND_PrimaryPlay(device) != DS_OK){
WARN("DSOUND_PrimaryPlay failed\n");
else
TRACE("starting playback\n");
}
else{
/* we are playing now */
device->state = STATE_PLAYING;
}
}
/* buffers are full. start stopping if applicable */
if(device->state == STATE_STOPPED){
TRACE("restarting primary buffer");
if(DSOUND_PrimaryPlay(device) != DS_OK){
WARN("DSOUND_PrimaryPlay failed\n");
}
else{
/* start stopping again. as soon as there is no more data, it will stop */
device->state = STATE_STOPPING;
}
}
}
else
LeaveCriticalSection(&(device->mixlock));
/* if device was stopping, its for sure stopped when all buffers have stopped */
else if((all_stopped == TRUE) && (device->state == STATE_STOPPING)){
TRACE("All buffers have stopped. Stopping primary buffer\n");
device->state = STATE_STOPPED;
/* stop the primary buffer now */
DSOUND_PrimaryStop(device);
}
} else {
/* update the wave queue if using wave system */
if(device->hwbuf == NULL){
DSOUND_WaveQueue(device, TRUE);
}
/* in the DSSCL_WRITEPRIMARY mode, the app is totally in charge... */
if (device->state == STATE_STARTING) {
if (DSOUND_PrimaryPlay(device) != DS_OK)
@ -1194,6 +968,9 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
device->state = STATE_STOPPED;
}
}
LeaveCriticalSection(&(device->mixlock));
/* **** */
}
void CALLBACK DSOUND_timer(UINT timerID, UINT msg, DWORD_PTR dwUser,
@ -1230,39 +1007,29 @@ void CALLBACK DSOUND_callback(HWAVEOUT hwo, UINT msg, DWORD dwUser, DWORD dw1, D
TRACE("entering at %d, msg=%08x(%s)\n", GetTickCount(), msg,
msg==MM_WOM_DONE ? "MM_WOM_DONE" : msg==MM_WOM_CLOSE ? "MM_WOM_CLOSE" :
msg==MM_WOM_OPEN ? "MM_WOM_OPEN" : "UNKNOWN");
/* check if packet completed from wave driver */
if (msg == MM_WOM_DONE) {
DWORD inq, mixq, fraglen, buflen, pwplay, playpos, mixpos;
if (device->pwqueue == (DWORD)-1) {
TRACE("completed due to reset\n");
return;
}
/* it could be a bad idea to enter critical section here... if there's lock contention,
* the resulting scheduling delays might obstruct the winmm player thread */
#ifdef SYNC_CALLBACK
/* **** */
EnterCriticalSection(&(device->mixlock));
#endif
/* retrieve current values */
fraglen = device->fraglen;
buflen = device->buflen;
pwplay = device->pwplay;
playpos = pwplay * fraglen;
mixpos = device->mixpos;
/* check remaining mixed data */
inq = DSOUND_BufPtrDiff(buflen, mixpos, playpos);
mixq = inq / fraglen;
if ((inq - (mixq * fraglen)) > 0) mixq++;
/* complete the playing buffer */
TRACE("done playing primary pos=%d\n", playpos);
pwplay++;
if (pwplay >= DS_HEL_FRAGS) pwplay = 0;
/* write new values */
device->pwplay = pwplay;
TRACE("done playing primary pos=%d\n", device->pwplay * device->fraglen);
/* update playpos */
device->pwplay++;
device->pwplay %= DS_HEL_FRAGS;
/* sanity */
if(device->pwqueue == 0){
ERR("Wave queue corrupted!\n");
}
/* update queue */
device->pwqueue--;
/* queue new buffer if we have data for it */
if (inq>1) DSOUND_WaveQueue(device, inq-1);
#ifdef SYNC_CALLBACK
LeaveCriticalSection(&(device->mixlock));
#endif
/* **** */
}
TRACE("completed\n");
}

73
dlls/dsound/primary.c
View File

@ -82,12 +82,14 @@ static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
waveOutPause(device->hwo);
if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
/* use fragments of 10ms (1/100s) each (which should get us within
* the documented write cursor lead of 10-15ms) */
buflen = ((device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign) * DS_HEL_FRAGS;
TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
/* reallocate emulated primary buffer */
/* on original windows, the buffer it set to a fixed size, no matter what the settings are.
on windows this size is always fixed (tested on win-xp) */
buflen = DS_HEL_BUFLEN;
TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
/* reallocate emulated primary buffer */
if (device->buffer)
newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
else
@ -106,6 +108,11 @@ static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
device->fraglen = device->buflen / DS_HEL_FRAGS;
/* sanity */
if(device->buflen % DS_HEL_FRAGS){
ERR("Bad DS_HEL_FRAGS resolution\n");
}
/* prepare fragment headers */
for (c=0; c<DS_HEL_FRAGS; c++) {
device->pwave[c]->lpData = (char*)device->buffer + c*device->fraglen;
@ -128,7 +135,6 @@ static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
device->mixpos = 0;
FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
TRACE("fraglen=%d\n", device->fraglen);
DSOUND_WaveQueue(device, (DWORD)-1);
}
if ((err == DS_OK) && (merr != DS_OK))
err = merr;
@ -161,10 +167,17 @@ static void DSOUND_PrimaryClose(DirectSoundDevice *device)
if (!device->hwbuf) {
unsigned c;
/* get out of CS when calling the wave system */
LeaveCriticalSection(&(device->mixlock));
/* **** */
device->pwqueue = (DWORD)-1; /* resetting queues */
waveOutReset(device->hwo);
for (c=0; c<DS_HEL_FRAGS; c++)
waveOutUnprepareHeader(device->hwo, device->pwave[c], sizeof(WAVEHDR));
/* **** */
EnterCriticalSection(&(device->mixlock));
/* clear the queue */
device->pwqueue = 0;
} else {
if (IDsDriverBuffer_Release(device->hwbuf) == 0)
@ -224,7 +237,8 @@ HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
{
TRACE("(%p)\n", device);
EnterCriticalSection(&(device->mixlock));
/* **** */
EnterCriticalSection(&(device->mixlock));
DSOUND_PrimaryClose(device);
if (device->driver) {
@ -240,7 +254,10 @@ HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
}
HeapFree(GetProcessHeap(),0,device->pwfx);
device->pwfx=NULL;
LeaveCriticalSection(&(device->mixlock));
LeaveCriticalSection(&(device->mixlock));
/* **** */
return DS_OK;
}
@ -267,7 +284,6 @@ HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
HRESULT err = DS_OK;
TRACE("(%p)\n", device);
EnterCriticalSection(&(device->mixlock));
if (device->hwbuf) {
err = IDsDriverBuffer_Stop(device->hwbuf);
if (err == DSERR_BUFFERLOST) {
@ -296,11 +312,20 @@ HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
WARN("IDsDriverBuffer_Stop failed\n");
}
} else {
/* dont call the wave system with the lock set */
LeaveCriticalSection(&(device->mixlock));
/* **** */
err = mmErr(waveOutPause(device->hwo));
/* **** */
EnterCriticalSection(&(device->mixlock));
if (err != DS_OK)
WARN("waveOutPause failed\n");
}
LeaveCriticalSection(&(device->mixlock));
return err;
}
@ -315,19 +340,20 @@ HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LP
return err;
}
} else {
/* check if playpos was requested */
if (playpos) {
MMTIME mtime;
mtime.wType = TIME_BYTES;
waveOutGetPosition(device->hwo, &mtime, sizeof(mtime));
mtime.u.cb = mtime.u.cb % device->buflen;
*playpos = mtime.u.cb;
/* use the cached play position */
*playpos = device->pwplay * device->fraglen;
}
/* check if writepos was requested */
if (writepos) {
/* the writepos should only be used by apps with WRITEPRIMARY priority,
* in which case our software mixer is disabled anyway */
*writepos = (device->pwplay + ds_hel_margin) * device->fraglen;
while (*writepos >= device->buflen)
*writepos -= device->buflen;
TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
/* the writepos is the first non-queued position */
*writepos = (device->pwplay + device->pwqueue) * device->fraglen;
*writepos %= device->buflen;
}
}
TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
@ -607,6 +633,9 @@ static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
/* **** */
EnterCriticalSection(&(device->mixlock));
hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
if (hres != DS_OK) {
WARN("DSOUND_PrimaryGetPosition failed\n");
@ -618,6 +647,10 @@ static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
*writepos += device->writelead;
while (*writepos >= device->buflen) *writepos -= device->buflen;
}
LeaveCriticalSection(&(device->mixlock));
/* **** */
TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
return DS_OK;
}

4
dlls/dsound/sound3d.c
View File

@ -192,7 +192,6 @@ void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl *dsb)
TRACE("3D processing disabled\n");
/* this one is here only to eliminate annoying warning message */
DSOUND_RecalcVolPan (&dsb->volpan);
DSOUND_ForceRemix (dsb);
break;
case DS3DMODE_NORMAL:
TRACE("Normal 3D processing mode\n");
@ -319,7 +318,6 @@ static void DSOUND_Mix3DBuffer(IDirectSoundBufferImpl *dsb)
TRACE("(%p)\n",dsb);
DSOUND_Calc3DBuffer(dsb);
DSOUND_ForceRemix(dsb);
}
static void DSOUND_ChangeListener(IDirectSound3DListenerImpl *ds3dl)
@ -332,6 +330,8 @@ static void DSOUND_ChangeListener(IDirectSound3DListenerImpl *ds3dl)
crash without the following line) */
if (ds3dl->device->buffers[i]->ds3db == NULL)
continue;
/* check if this buffer is waiting for recalculation */
if (ds3dl->device->buffers[i]->ds3db_need_recalc)
{
DSOUND_Mix3DBuffer(ds3dl->device->buffers[i]);