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dsound: Mix float natively. 

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Maarten Lankhorst 2016-05-12 08:43:44 -05:00 committed by Alexandre Julliard
parent 95287ac2df
commit 09890d7142
5 changed files with 37 additions and 63 deletions
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1
dlls/dsound/dsound.c
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@ -238,7 +238,6 @@ static ULONG DirectSoundDevice_Release(DirectSoundDevice * device)
IAudioStreamVolume_Release(device->volume);
HeapFree(GetProcessHeap(), 0, device->tmp_buffer);
HeapFree(GetProcessHeap(), 0, device->mix_buffer);
HeapFree(GetProcessHeap(), 0, device->buffer);
RtlDeleteResource(&device->buffer_list_lock);
device->mixlock.DebugInfo->Spare[0] = 0;

20
dlls/dsound/dsound_convert.c
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@ -263,27 +263,9 @@ static void norm32(float *src, INT *dst, unsigned len)
}
}
static void normieee32(float *src, float *dst, unsigned len)
{
TRACE("%p - %p %d\n", src, dst, len);
len /= 4;
while (len--)
{
if(*src > 1)
*dst = 1;
else if(*src < -1)
*dst = -1;
else
*dst = *src;
++dst;
++src;
}
}
const normfunc normfunctions[5] = {
const normfunc normfunctions[4] = {
(normfunc)norm8,
(normfunc)norm16,
(normfunc)norm24,
(normfunc)norm32,
(normfunc)normieee32
};

4
dlls/dsound/dsound_private.h
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@ -49,7 +49,7 @@ extern const bitsgetfunc getbpp[5] DECLSPEC_HIDDEN;
void putieee32(const IDirectSoundBufferImpl *dsb, DWORD pos, DWORD channel, float value) DECLSPEC_HIDDEN;
void mixieee32(float *src, float *dst, unsigned samples) DECLSPEC_HIDDEN;
typedef void (*normfunc)(const void *, void *, unsigned);
extern const normfunc normfunctions[5] DECLSPEC_HIDDEN;
extern const normfunc normfunctions[4] DECLSPEC_HIDDEN;
typedef struct _DSVOLUMEPAN
{
@ -87,7 +87,7 @@ struct DirectSoundDevice
int speaker_num[DS_MAX_CHANNELS];
int num_speakers;
int lfe_channel;
float *mix_buffer, *tmp_buffer;
float *tmp_buffer;
DWORD tmp_buffer_len, mix_buffer_len;
DSVOLUMEPAN volpan;

61
dlls/dsound/mixer.c
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@ -468,7 +468,7 @@ static void DSOUND_MixerVol(const IDirectSoundBufferImpl *dsb, INT frames)
* writepos = position (offset) in device buffer to write at
* fraglen = number of bytes to mix
*/
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD fraglen)
static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD writepos, DWORD fraglen)
{
INT len = fraglen;
float *ibuf;
@ -493,7 +493,7 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
/* Apply volume if needed */
DSOUND_MixerVol(dsb, frames);
mixieee32(ibuf, dsb->device->mix_buffer, frames * dsb->device->pwfx->nChannels);
mixieee32(ibuf, mix_buffer, frames * dsb->device->pwfx->nChannels);
/* check for notification positions */
if (dsb->dsbd.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY &&
@ -517,7 +517,7 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl *dsb, DWORD writepos, DWO
*
* Returns: the number of bytes beyond the writepos that were mixed.
*/
static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD mixlen)
static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, float *mix_buffer, DWORD writepos, DWORD mixlen)
{
DWORD primary_done = 0;
@ -544,7 +544,7 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD mi
/* First try to mix to the end of the buffer if possible
* Theoretically it would allow for better optimization
*/
primary_done += DSOUND_MixInBuffer(dsb, writepos, mixlen);
primary_done += DSOUND_MixInBuffer(dsb, mix_buffer, writepos, mixlen);
TRACE("total mixed data=%d\n", primary_done);
@ -559,14 +559,12 @@ static DWORD DSOUND_MixOne(IDirectSoundBufferImpl *dsb, DWORD writepos, DWORD mi
* 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)
* 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 void DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos, DWORD mixlen, BOOL recover, BOOL *all_stopped)
static void DSOUND_MixToPrimary(const DirectSoundDevice *device, float *mix_buffer, DWORD writepos, DWORD mixlen, BOOL *all_stopped)
{
INT i;
IDirectSoundBufferImpl *dsb;
@ -574,7 +572,7 @@ static void DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos,
/* unless we find a running buffer, all have stopped */
*all_stopped = TRUE;
TRACE("(%d,%d,%d)\n", writepos, mixlen, recover);
TRACE("(%d,%d)\n", writepos, mixlen);
for (i = 0; i < device->nrofbuffers; i++) {
dsb = device->buffers[i];
@ -594,7 +592,7 @@ static void DSOUND_MixToPrimary(const DirectSoundDevice *device, DWORD writepos,
dsb->state = STATE_PLAYING;
/* mix next buffer into the main buffer */
DSOUND_MixOne(dsb, writepos, mixlen);
DSOUND_MixOne(dsb, mix_buffer, writepos, mixlen);
*all_stopped = FALSE;
}
@ -646,8 +644,7 @@ done:
* secondary->buffer (secondary format)
* =[Resample]=> device->tmp_buffer (float format)
* =[Volume]=> device->tmp_buffer (float format)
* =[Mix]=> device->mix_buffer (float format)
* =[Reformat]=> device->buffer (device format)
* =[Reformat]=> device->buffer (device format, skipped on float)
*/
static void DSOUND_PerformMix(DirectSoundDevice *device)
{
@ -686,7 +683,7 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
if (device->priolevel != DSSCL_WRITEPRIMARY) {
BOOL all_stopped = FALSE;
int nfiller;
DWORD bpp = device->pwfx->wBitsPerSample>>3;
void *buffer = NULL;
/* the sound of silence */
nfiller = device->pwfx->wBitsPerSample == 8 ? 128 : 0;
@ -700,24 +697,32 @@ static void DSOUND_PerformMix(DirectSoundDevice *device)
TRACE("Buffer restarting\n");
}
memset(device->mix_buffer, nfiller, maxq);
/* do the mixing */
DSOUND_MixToPrimary(device, writepos, maxq, TRUE, &all_stopped);
if (maxq + writepos > device->buflen) {
DWORD todo = device->buflen - writepos;
device->normfunction(device->mix_buffer, device->buffer + writepos, todo);
DSOUND_WaveQueue(device, device->buffer + writepos, todo);
device->normfunction(device->mix_buffer + todo / bpp, device->buffer, (maxq - todo));
DSOUND_WaveQueue(device, device->buffer, maxq - todo);
} else {
device->normfunction(device->mix_buffer, device->buffer + writepos, maxq);
DSOUND_WaveQueue(device, device->buffer + writepos, maxq);
hr = IAudioRenderClient_GetBuffer(device->render, maxq / block, (void*)&buffer);
if(FAILED(hr)){
WARN("GetBuffer failed: %08x\n", hr);
LeaveCriticalSection(&device->mixlock);
return;
}
memset(buffer, nfiller, maxq);
if (!device->normfunction)
DSOUND_MixToPrimary(device, buffer, writepos, maxq, &all_stopped);
else {
memset(device->buffer, nfiller, device->buflen);
/* do the mixing */
DSOUND_MixToPrimary(device, (float*)device->buffer, writepos, maxq, &all_stopped);
device->normfunction(device->buffer, buffer, maxq);
}
hr = IAudioRenderClient_ReleaseBuffer(device->render, maxq / block, 0);
if(FAILED(hr))
ERR("ReleaseBuffer failed: %08x\n", hr);
device->pad += maxq;
if (maxq) {
if (device->state == STATE_STARTING ||
device->state == STATE_STOPPED) {

14
dlls/dsound/primary.c
View File

@ -338,11 +338,7 @@ HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
device->buflen = ds_hel_buflen;
device->buflen -= device->buflen % device->pwfx->nBlockAlign;
HeapFree(GetProcessHeap(), 0, device->mix_buffer);
device->mix_buffer_len = (device->buflen / (device->pwfx->wBitsPerSample / 8)) * sizeof(float);
device->mix_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device->mix_buffer_len);
if (!device->mix_buffer)
return DSERR_OUTOFMEMORY;
if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
@ -370,21 +366,13 @@ HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
(device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat,
&KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
device->normfunction = normfunctions[4];
device->normfunction = NULL;
else
device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
device->playpos = 0;
if (device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
device->normfunction = normfunctions[4];
else
device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
for (i = 0; i < device->nrofbuffers; i++) {
RtlAcquireResourceExclusive(&dsb[i]->lock, TRUE);
DSOUND_RecalcFormat(dsb[i]);