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dsound: Don't propagate writepos in the non-WRITEPRIMARY case - it's unused. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2017-03-01 16:00:58 +00:00 committed by Alexandre Julliard
parent 3ab2482e0b
commit 7a27cc89aa
1 changed files with 13 additions and 18 deletions
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31
dlls/dsound/mixer.c
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@ -487,10 +487,9 @@ static void DSOUND_MixerVol(const IDirectSoundBufferImpl *dsb, INT frames)
* (and it is not looping).
*
* dsb = the secondary buffer to mix from
* writepos = position (offset) in device buffer to write at
* fraglen = number of bytes to mix
*/
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD writepos, DWORD fraglen)
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD fraglen)
{
INT len = fraglen;
float *ibuf;
@ -498,7 +497,7 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, float *mix_buffer,
UINT frames = fraglen / dsb->device->pwfx->nBlockAlign;
TRACE("sec_mixpos=%d/%d\n", dsb->sec_mixpos, dsb->buflen);
TRACE("(%p,%d,%d)\n",dsb,writepos,fraglen);
TRACE("(%p,%d)\n",dsb,fraglen);
if (len % dsb->device->pwfx->nBlockAlign) {
INT nBlockAlign = dsb->device->pwfx->nBlockAlign;
@ -532,18 +531,16 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, float *mix_buffer,
*
* dsb = the secondary buffer
* playpos = the current play position in the device buffer (primary buffer)
* writepos = the current safe-to-write position in the device buffer
* mixlen = the maximum number of bytes in the primary buffer to mix, from the
* current writepos.
*
* Returns: the number of bytes beyond the writepos that were mixed.
*/
static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD writepos, DWORD mixlen)
static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD mixlen)
{
DWORD primary_done = 0;
TRACE("(%p,%d,%d)\n",dsb,writepos,mixlen);
TRACE("writepos=%d, mixlen=%d\n", writepos, mixlen);
TRACE("(%p,%d)\n",dsb,mixlen);
TRACE("looping=%d, leadin=%d\n", dsb->playflags, dsb->leadin);
/* If leading in, only mix about 20 ms, and 'skip' mixing the rest, for more fluid pointer advancement */
@ -552,7 +549,6 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD
if (mixlen > 2 * dsb->device->fraglen) {
primary_done = mixlen - 2 * dsb->device->fraglen;
mixlen = 2 * dsb->device->fraglen;
writepos += primary_done;
dsb->sec_mixpos += (primary_done / dsb->device->pwfx->nBlockAlign) *
dsb->pwfx->nBlockAlign * dsb->freqAdjustNum / dsb->freqAdjustDen;
}
@ -565,7 +561,7 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD
/* First try to mix to the end of the buffer if possible
* Theoretically it would allow for better optimization
*/
primary_done += DSOUND_MixInBuffer(dsb, mix_buffer, writepos, mixlen);
primary_done += DSOUND_MixInBuffer(dsb, mix_buffer, mixlen);
TRACE("total mixed data=%d\n", primary_done);
@ -577,7 +573,6 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD
* For a DirectSoundDevice, go through all the currently playing buffers and
* mix them in to the device buffer.
*
* writepos = the current safe-to-write position in the primary buffer
* mixlen = the maximum amount to mix into the primary buffer
* (beyond the current writepos)
* all_stopped = reports back if all buffers have stopped
@ -585,7 +580,7 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD
* Returns: the length beyond the writepos that was mixed to.
*/
static void DSOUND_MixToPrimary(const DirectSoundDevice *device, float *mix_buffer, DWORD writepos, DWORD mixlen, BOOL *all_stopped)
static void DSOUND_MixToPrimary(const DirectSoundDevice *device, float *mix_buffer, DWORD mixlen, BOOL *all_stopped)
{
INT i;
IDirectSoundBufferImpl *dsb;
@ -593,7 +588,7 @@ static void DSOUND_MixToPrimary(const DirectSoundDevice *device, float *mix_buff
/* unless we find a running buffer, all have stopped */
*all_stopped = TRUE;
TRACE("(%d,%d)\n", writepos, mixlen);
TRACE("(%d)\n", mixlen);
for (i = 0; i < device->nrofbuffers; i++) {
dsb = device->buffers[i];
@ -613,7 +608,7 @@ static void DSOUND_MixToPrimary(const DirectSoundDevice *device, float *mix_buff
dsb->state = STATE_PLAYING;
/* mix next buffer into the main buffer */
DSOUND_MixOne(dsb, mix_buffer, writepos, mixlen);
DSOUND_MixOne(dsb, mix_buffer, mixlen);
*all_stopped = FALSE;
}
@ -671,7 +666,7 @@ static void DSOUND_WaveQueue(DirectSoundDevice *device, LPBYTE pos, DWORD bytes)
*/
static void DSOUND_PerformMix(DirectSoundDevice *device)
{
UINT32 pad, maxq, writepos;
UINT32 pad, maxq;
DWORD block;
HRESULT hr;
@ -701,8 +696,6 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
if (maxq > device->fraglen * 3)
maxq = device->fraglen * 3;
writepos = (device->playpos + pad) % device->buflen;
if (device->priolevel != DSSCL_WRITEPRIMARY) {
BOOL all_stopped = FALSE;
int nfiller;
@ -726,12 +719,12 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
memset(buffer, nfiller, maxq);
if (!device->normfunction)
DSOUND_MixToPrimary(device, buffer, writepos, maxq, &all_stopped);
DSOUND_MixToPrimary(device, buffer, maxq, &all_stopped);
else {
memset(device->buffer, nfiller, device->buflen);
/* do the mixing */
DSOUND_MixToPrimary(device, (float*)device->buffer, writepos, maxq, &all_stopped);
DSOUND_MixToPrimary(device, (float*)device->buffer, maxq, &all_stopped);
device->normfunction(device->buffer, buffer, maxq);
}
@ -742,6 +735,8 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
device->pad += maxq;
} else if (!device->stopped) {
DWORD writepos = (device->playpos + pad) % device->buflen;
if (maxq > device->buflen)
maxq = device->buflen;
if (writepos + maxq > device->buflen) {