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reactos/dll/directx/dsound/primary.c
Amine Khaldi c424146e2c Create a branch for cmake bringup. 
svn path=/branches/cmake-bringup/; revision=48236
2010-07-24 18:52:44 +00:00

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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "mmsystem.h"
#include "winternl.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsdriver.h"
#include "dsound_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
/** Calculate how long a fragment length of about 10 ms should be in frames
*
* nSamplesPerSec: Frequency rate in samples per second
* nBlockAlign: Size of a single blockalign
*
* Returns:
* Size in bytes of a single fragment
*/
DWORD DSOUND_fraglen(DWORD nSamplesPerSec, DWORD nBlockAlign)
{
/* Given a timer delay of 10ms, the fragment size is approximately:
* fraglen = (nSamplesPerSec * 10 / 1000) * nBlockAlign
* ==> fraglen = (nSamplesPerSec / 100) * nBlockSize
*
* ALSA uses buffers that are powers of 2. Because of this, fraglen
* is rounded up to the nearest power of 2:
*/
if (nSamplesPerSec <= 12800)
return 128 * nBlockAlign;
if (nSamplesPerSec <= 25600)
return 256 * nBlockAlign;
if (nSamplesPerSec <= 51200)
return 512 * nBlockAlign;
return 1024 * nBlockAlign;
}
static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
{
TRACE("(%p)\n", device);
device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign);
device->helfrags = device->buflen / device->fraglen;
TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
device->writelead = 0;
else
/* calculate the 10ms write lead */
device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
}
HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
{
HRESULT hres = DS_OK;
TRACE("(%p, %d)\n", device, forcewave);
if (device->driver)
{
IDsDriver_Close(device->driver);
if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
waveOutClose(device->hwo);
IDsDriver_Release(device->driver);
device->driver = NULL;
device->buffer = NULL;
device->hwo = 0;
}
else if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
waveOutClose(device->hwo);
/* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
if (ds_hw_accel != DS_HW_ACCEL_EMULATION && !forcewave)
waveOutMessage((HWAVEOUT)device->drvdesc.dnDevNode, DRV_QUERYDSOUNDIFACE, (DWORD_PTR)&device->driver, 0);
/* Get driver description */
if (device->driver) {
DWORD wod = device->drvdesc.dnDevNode;
hres = IDsDriver_GetDriverDesc(device->driver,&(device->drvdesc));
device->drvdesc.dnDevNode = wod;
if (FAILED(hres)) {
WARN("IDsDriver_GetDriverDesc failed: %08x\n", hres);
IDsDriver_Release(device->driver);
device->driver = NULL;
}
}
/* if no DirectSound interface available, use WINMM API instead */
if (!device->driver)
device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
{
DWORD flags = CALLBACK_FUNCTION;
if (device->driver)
flags |= WAVE_DIRECTSOUND;
hres = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD_PTR)device, flags));
if (FAILED(hres)) {
WARN("waveOutOpen failed\n");
if (device->driver)
{
IDsDriver_Release(device->driver);
device->driver = NULL;
}
return hres;
}
}
if (device->driver)
hres = IDsDriver_Open(device->driver);
return hres;
}
static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
{
DWORD buflen;
HRESULT err = DS_OK;
TRACE("(%p)\n", device);
/* 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) */
if (!device->buflen)
device->buflen = ds_hel_buflen;
buflen = device->buflen;
buflen -= buflen % device->pwfx->nBlockAlign;
device->buflen = buflen;
if (device->driver)
{
err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
DSBCAPS_PRIMARYBUFFER,0,
&(device->buflen),&(device->buffer),
(LPVOID*)&(device->hwbuf));
if (err != DS_OK) {
WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
err = DSOUND_ReopenDevice(device, TRUE);
if (FAILED(err))
{
WARN("Falling back to waveout failed too! Giving up\n");
return err;
}
}
if (device->hwbuf)
IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
DSOUND_RecalcPrimary(device);
device->prebuf = ds_snd_queue_max;
if (device->helfrags < ds_snd_queue_min)
{
WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
device->buflen = buflen;
IDsDriverBuffer_Release(device->hwbuf);
device->hwbuf = NULL;
err = DSOUND_ReopenDevice(device, TRUE);
if (FAILED(err))
{
WARN("Falling back to waveout failed too! Giving up\n");
return err;
}
}
else if (device->helfrags < ds_snd_queue_max)
device->prebuf = device->helfrags;
}
device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
device->mix_buffer = HeapAlloc(GetProcessHeap(), 0, device->mix_buffer_len);
if (!device->mix_buffer)
{
if (device->hwbuf)
IDsDriverBuffer_Release(device->hwbuf);
device->hwbuf = NULL;
return DSERR_OUTOFMEMORY;
}
if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
/* are we using waveOut stuff? */
if (!device->driver) {
LPBYTE newbuf;
LPWAVEHDR headers = NULL;
DWORD overshot;
unsigned int c;
/* Start in pause mode, to allow buffers to get filled */
waveOutPause(device->hwo);
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
newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
if (!newbuf) {
ERR("failed to allocate primary buffer\n");
return DSERR_OUTOFMEMORY;
/* but the old buffer might still exist and must be re-prepared */
}
DSOUND_RecalcPrimary(device);
if (device->pwave)
headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
else
headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
if (!headers) {
ERR("failed to allocate wave headers\n");
HeapFree(GetProcessHeap(), 0, newbuf);
DSOUND_RecalcPrimary(device);
return DSERR_OUTOFMEMORY;
}
device->buffer = newbuf;
device->pwave = headers;
/* prepare fragment headers */
for (c=0; c<device->helfrags; c++) {
device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
device->pwave[c].dwBufferLength = device->fraglen;
device->pwave[c].dwUser = (DWORD_PTR)device;
device->pwave[c].dwFlags = 0;
device->pwave[c].dwLoops = 0;
err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
if (err != DS_OK) {
while (c--)
waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
break;
}
}
overshot = device->buflen % device->fraglen;
/* sanity */
if(overshot)
{
overshot -= overshot % device->pwfx->nBlockAlign;
device->pwave[device->helfrags - 1].dwBufferLength += overshot;
}
TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
}
device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
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->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
return err;
}
static void DSOUND_PrimaryClose(DirectSoundDevice *device)
{
TRACE("(%p)\n", device);
/* are we using waveOut stuff? */
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<device->helfrags; c++)
waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
/* **** */
EnterCriticalSection(&(device->mixlock));
/* clear the queue */
device->pwqueue = 0;
} else {
ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
if (!ref)
device->hwbuf = 0;
else
ERR("Still %d references on primary buffer, refcount leak?\n", ref);
}
}
HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
{
HRESULT err = DS_OK;
TRACE("(%p)\n", device);
device->buflen = ds_hel_buflen;
err = DSOUND_PrimaryOpen(device);
if (err != DS_OK) {
WARN("DSOUND_PrimaryOpen failed\n");
return err;
}
device->state = STATE_STOPPED;
return DS_OK;
}
HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
{
TRACE("(%p)\n", device);
/* **** */
EnterCriticalSection(&(device->mixlock));
DSOUND_PrimaryClose(device);
if (device->driver) {
if (device->hwbuf) {
if (IDsDriverBuffer_Release(device->hwbuf) == 0)
device->hwbuf = 0;
}
} else
HeapFree(GetProcessHeap(),0,device->pwave);
HeapFree(GetProcessHeap(),0,device->pwfx);
device->pwfx=NULL;
LeaveCriticalSection(&(device->mixlock));
/* **** */
return DS_OK;
}
HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
{
HRESULT err = DS_OK;
TRACE("(%p)\n", device);
if (device->hwbuf) {
err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
if (err != DS_OK)
WARN("IDsDriverBuffer_Play failed\n");
} else {
err = mmErr(waveOutRestart(device->hwo));
if (err != DS_OK)
WARN("waveOutRestart failed\n");
}
return err;
}
HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
{
HRESULT err = DS_OK;
TRACE("(%p)\n", device);
if (device->hwbuf) {
err = IDsDriverBuffer_Stop(device->hwbuf);
if (err == DSERR_BUFFERLOST) {
DSOUND_PrimaryClose(device);
err = DSOUND_ReopenDevice(device, FALSE);
if (FAILED(err))
ERR("DSOUND_ReopenDevice failed\n");
else
{
err = DSOUND_PrimaryOpen(device);
if (FAILED(err))
WARN("DSOUND_PrimaryOpen failed\n");
}
} else if (err != DS_OK) {
WARN("IDsDriverBuffer_Stop failed\n");
}
} else {
/* don't 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");
}
return err;
}
HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
{
TRACE("(%p,%p,%p)\n", device, playpos, writepos);
if (device->hwbuf) {
HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
if (err != S_OK) {
WARN("IDsDriverBuffer_GetPosition failed\n");
return err;
}
} else {
TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
/* check if playpos was requested */
if (playpos)
/* use the cached play position */
*playpos = device->pwplay * device->fraglen;
/* check if writepos was requested */
if (writepos)
/* the writepos is the first non-queued position */
*writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
}
TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
return DS_OK;
}
HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
{
HRESULT err = DSERR_BUFFERLOST;
int i, alloc_size, cp_size;
DWORD nSamplesPerSec, bpp, chans;
TRACE("(%p,%p)\n", device, wfex);
if (device->priolevel == DSSCL_NORMAL) {
WARN("failed priority check!\n");
return DSERR_PRIOLEVELNEEDED;
}
/* Let's be pedantic! */
if (wfex == NULL) {
WARN("invalid parameter: wfex==NULL!\n");
return DSERR_INVALIDPARAM;
}
TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
"bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
wfex->nAvgBytesPerSec, wfex->nBlockAlign,
wfex->wBitsPerSample, wfex->cbSize);
/* **** */
RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
EnterCriticalSection(&(device->mixlock));
if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
alloc_size = sizeof(WAVEFORMATEX);
cp_size = sizeof(PCMWAVEFORMAT);
} else
alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
nSamplesPerSec = device->pwfx->nSamplesPerSec;
bpp = device->pwfx->wBitsPerSample;
chans = device->pwfx->nChannels;
CopyMemory(device->pwfx, wfex, cp_size);
if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
/* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
{
err = DSERR_BUFFERLOST;
CopyMemory(device->pwfx, wfex, cp_size);
}
if (err != DSERR_BUFFERLOST && FAILED(err)) {
WARN("IDsDriverBuffer_SetFormat failed\n");
if (!forced)
err = DS_OK;
goto done;
}
if (err == S_FALSE)
{
/* ALSA specific: S_FALSE tells that recreation was successful,
* but size and location may be changed, and buffer has to be restarted
* I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
* and the entire re-initialization will occur anyway
*/
IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
err = DS_OK;
}
DSOUND_RecalcPrimary(device);
}
if (err == DSERR_BUFFERLOST)
{
DSOUND_PrimaryClose(device);
err = DSOUND_ReopenDevice(device, FALSE);
if (FAILED(err))
{
WARN("DSOUND_ReopenDevice failed: %08x\n", err);
goto done;
}
err = DSOUND_PrimaryOpen(device);
if (err != DS_OK) {
WARN("DSOUND_PrimaryOpen failed\n");
goto done;
}
if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
{
DSOUND_PrimaryClose(device);
device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
err = DSOUND_ReopenDevice(device, TRUE);
if (FAILED(err))
WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
else if (FAILED((err = DSOUND_PrimaryOpen(device))))
WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
}
}
device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
device->mix_buffer = HeapReAlloc(GetProcessHeap(), 0, device->mix_buffer, device->mix_buffer_len);
FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
IDirectSoundBufferImpl** dsb = device->buffers;
for (i = 0; i < device->nrofbuffers; i++, dsb++) {
/* **** */
RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
(*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
DSOUND_RecalcFormat((*dsb));
DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen, FALSE);
(*dsb)->primary_mixpos = 0;
RtlReleaseResource(&(*dsb)->lock);
/* **** */
}
}
done:
LeaveCriticalSection(&(device->mixlock));
RtlReleaseResource(&(device->buffer_list_lock));
/* **** */
return err;
}
/*******************************************************************************
* PrimaryBuffer
*/
/* This sets this format for the <em>Primary Buffer Only</em> */
/* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
LPDIRECTSOUNDBUFFER iface,
LPCWAVEFORMATEX wfex)
{
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p)\n", iface, wfex);
return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
}
static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
LPDIRECTSOUNDBUFFER iface,LONG vol
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
DWORD ampfactors;
HRESULT hres = DS_OK;
TRACE("(%p,%d)\n", iface, vol);
if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
WARN("invalid parameter: vol = %d\n", vol);
return DSERR_INVALIDPARAM;
}
/* **** */
EnterCriticalSection(&(device->mixlock));
waveOutGetVolume(device->hwo, &ampfactors);
device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
DSOUND_AmpFactorToVolPan(&device->volpan);
if (vol != device->volpan.lVolume) {
device->volpan.lVolume=vol;
DSOUND_RecalcVolPan(&device->volpan);
if (device->hwbuf) {
hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
if (hres != DS_OK)
WARN("IDsDriverBuffer_SetVolumePan failed\n");
} else {
ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
waveOutSetVolume(device->hwo, ampfactors);
}
}
LeaveCriticalSection(&(device->mixlock));
/* **** */
return hres;
}
static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
LPDIRECTSOUNDBUFFER iface,LPLONG vol
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
DWORD ampfactors;
TRACE("(%p,%p)\n", iface, vol);
if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if (vol == NULL) {
WARN("invalid parameter: vol = NULL\n");
return DSERR_INVALIDPARAM;
}
if (!device->hwbuf)
{
waveOutGetVolume(device->hwo, &ampfactors);
device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
DSOUND_AmpFactorToVolPan(&device->volpan);
}
*vol = device->volpan.lVolume;
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
LPDIRECTSOUNDBUFFER iface,DWORD freq
) {
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
TRACE("(%p,%d)\n",This,freq);
/* You cannot set the frequency of the primary buffer */
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
static HRESULT WINAPI PrimaryBufferImpl_Play(
LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
if (!(flags & DSBPLAY_LOOPING)) {
WARN("invalid parameter: flags = %08x\n", flags);
return DSERR_INVALIDPARAM;
}
/* **** */
EnterCriticalSection(&(device->mixlock));
if (device->state == STATE_STOPPED)
device->state = STATE_STARTING;
else if (device->state == STATE_STOPPING)
device->state = STATE_PLAYING;
LeaveCriticalSection(&(device->mixlock));
/* **** */
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
{
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p)\n", iface);
/* **** */
EnterCriticalSection(&(device->mixlock));
if (device->state == STATE_PLAYING)
device->state = STATE_STOPPING;
else if (device->state == STATE_STARTING)
device->state = STATE_STOPPED;
LeaveCriticalSection(&(device->mixlock));
/* **** */
return DS_OK;
}
static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
{
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref - 1);
return ref;
}
static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
{
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
DWORD ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref + 1);
if (!ref) {
This->device->primary = NULL;
HeapFree(GetProcessHeap(), 0, This);
TRACE("(%p) released\n", This);
}
return ref;
}
static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
) {
HRESULT hres;
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");
LeaveCriticalSection(&(device->mixlock));
return hres;
}
if (writepos) {
if (device->state != STATE_STOPPED)
/* apply the documented 10ms lead to writepos */
*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;
}
static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
LPDIRECTSOUNDBUFFER iface,LPDWORD status
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p)\n", iface, status);
if (status == NULL) {
WARN("invalid parameter: status == NULL\n");
return DSERR_INVALIDPARAM;
}
*status = 0;
if ((device->state == STATE_STARTING) ||
(device->state == STATE_PLAYING))
*status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
TRACE("status=%x\n", *status);
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
LPDIRECTSOUNDBUFFER iface,
LPWAVEFORMATEX lpwf,
DWORD wfsize,
LPDWORD wfwritten)
{
DWORD size;
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
if (lpwf) { /* NULL is valid */
if (wfsize >= size) {
CopyMemory(lpwf,device->pwfx,size);
if (wfwritten)
*wfwritten = size;
} else {
WARN("invalid parameter: wfsize too small\n");
if (wfwritten)
*wfwritten = 0;
return DSERR_INVALIDPARAM;
}
} else {
if (wfwritten)
*wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
else {
WARN("invalid parameter: wfwritten == NULL\n");
return DSERR_INVALIDPARAM;
}
}
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_Lock(
LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
) {
HRESULT hres;
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
iface,
writecursor,
writebytes,
lplpaudioptr1,
audiobytes1,
lplpaudioptr2,
audiobytes2,
flags,
GetTickCount()
);
if (!audiobytes1)
return DSERR_INVALIDPARAM;
if (device->priolevel != DSSCL_WRITEPRIMARY) {
WARN("failed priority check!\n");
return DSERR_PRIOLEVELNEEDED;
}
/* when this flag is set, writecursor is meaningless and must be calculated */
if (flags & DSBLOCK_FROMWRITECURSOR) {
/* GetCurrentPosition does too much magic to duplicate here */
hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
if (hres != DS_OK) {
WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
return hres;
}
}
/* when this flag is set, writebytes is meaningless and must be set */
if (flags & DSBLOCK_ENTIREBUFFER)
writebytes = device->buflen;
if (writecursor >= device->buflen) {
WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
writecursor, device->buflen);
return DSERR_INVALIDPARAM;
}
if (writebytes > device->buflen) {
WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
writebytes, device->buflen);
return DSERR_INVALIDPARAM;
}
if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
hres = IDsDriverBuffer_Lock(device->hwbuf,
lplpaudioptr1, audiobytes1,
lplpaudioptr2, audiobytes2,
writecursor, writebytes,
0);
if (hres != DS_OK) {
WARN("IDsDriverBuffer_Lock failed\n");
return hres;
}
} else {
if (writecursor+writebytes <= device->buflen) {
*(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
*audiobytes1 = writebytes;
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = NULL;
if (audiobytes2)
*audiobytes2 = 0;
TRACE("->%d.0\n",writebytes);
} else {
*(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
*audiobytes1 = device->buflen-writecursor;
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = device->buffer;
if (audiobytes2)
*audiobytes2 = writebytes-(device->buflen-writecursor);
TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
}
}
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
LPDIRECTSOUNDBUFFER iface,DWORD newpos
) {
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
TRACE("(%p,%d)\n",This,newpos);
/* You cannot set the position of the primary buffer */
WARN("invalid call\n");
return DSERR_INVALIDCALL;
}
static HRESULT WINAPI PrimaryBufferImpl_SetPan(
LPDIRECTSOUNDBUFFER iface,LONG pan
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
DWORD ampfactors;
HRESULT hres = DS_OK;
TRACE("(%p,%d)\n", iface, pan);
if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
WARN("invalid parameter: pan = %d\n", pan);
return DSERR_INVALIDPARAM;
}
/* **** */
EnterCriticalSection(&(device->mixlock));
if (!device->hwbuf)
{
waveOutGetVolume(device->hwo, &ampfactors);
device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
DSOUND_AmpFactorToVolPan(&device->volpan);
}
if (pan != device->volpan.lPan) {
device->volpan.lPan=pan;
DSOUND_RecalcVolPan(&device->volpan);
if (device->hwbuf) {
hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
if (hres != DS_OK)
WARN("IDsDriverBuffer_SetVolumePan failed\n");
} else {
ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
waveOutSetVolume(device->hwo, ampfactors);
}
}
LeaveCriticalSection(&(device->mixlock));
/* **** */
return hres;
}
static HRESULT WINAPI PrimaryBufferImpl_GetPan(
LPDIRECTSOUNDBUFFER iface,LPLONG pan
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
DWORD ampfactors;
TRACE("(%p,%p)\n", iface, pan);
if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if (pan == NULL) {
WARN("invalid parameter: pan == NULL\n");
return DSERR_INVALIDPARAM;
}
if (!device->hwbuf)
{
waveOutGetVolume(device->hwo, &ampfactors);
device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
DSOUND_AmpFactorToVolPan(&device->volpan);
}
*pan = device->volpan.lPan;
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_Unlock(
LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
if (device->priolevel != DSSCL_WRITEPRIMARY) {
WARN("failed priority check!\n");
return DSERR_PRIOLEVELNEEDED;
}
if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
HRESULT hres;
if ((char *)p1 - (char *)device->buffer + x1 > device->buflen)
hres = DSERR_INVALIDPARAM;
else
hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
if (hres != DS_OK) {
WARN("IDsDriverBuffer_Unlock failed\n");
return hres;
}
}
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_Restore(
LPDIRECTSOUNDBUFFER iface
) {
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
FIXME("(%p):stub\n",This);
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
LPDIRECTSOUNDBUFFER iface,LPDWORD freq
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p)\n", iface, freq);
if (freq == NULL) {
WARN("invalid parameter: freq == NULL\n");
return DSERR_INVALIDPARAM;
}
if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
*freq = device->pwfx->nSamplesPerSec;
TRACE("-> %d\n", *freq);
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_Initialize(
LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
) {
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
WARN("(%p) already initialized\n", This);
return DSERR_ALREADYINITIALIZED;
}
static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
) {
DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
TRACE("(%p,%p)\n", iface, caps);
if (caps == NULL) {
WARN("invalid parameter: caps == NULL\n");
return DSERR_INVALIDPARAM;
}
if (caps->dwSize < sizeof(*caps)) {
WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
return DSERR_INVALIDPARAM;
}
caps->dwFlags = device->dsbd.dwFlags;
caps->dwBufferBytes = device->buflen;
/* Windows reports these as zero */
caps->dwUnlockTransferRate = 0;
caps->dwPlayCpuOverhead = 0;
return DS_OK;
}
static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
) {
PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
DirectSoundDevice *device = This->device;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
if (ppobj == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppobj = NULL; /* assume failure */
if ( IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
*ppobj = This;
return S_OK;
}
/* DirectSoundBuffer and DirectSoundBuffer8 are different and */
/* a primary buffer can't have a DirectSoundBuffer8 interface */
if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
WARN("app requested DirectSoundBuffer8 on primary buffer\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
ERR("app requested IDirectSoundNotify on primary buffer\n");
/* FIXME: should we support this? */
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
ERR("app requested IDirectSound3DBuffer on primary buffer\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
if (!device->listener)
IDirectSound3DListenerImpl_Create(device, &device->listener);
if (device->listener) {
*ppobj = device->listener;
IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
return S_OK;
}
WARN("IID_IDirectSound3DListener failed\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
FIXME("app requested IKsPropertySet on primary buffer\n");
return E_NOINTERFACE;
}
FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
return E_NOINTERFACE;
}
static const IDirectSoundBufferVtbl dspbvt =
{
PrimaryBufferImpl_QueryInterface,
PrimaryBufferImpl_AddRef,
PrimaryBufferImpl_Release,
PrimaryBufferImpl_GetCaps,
PrimaryBufferImpl_GetCurrentPosition,
PrimaryBufferImpl_GetFormat,
PrimaryBufferImpl_GetVolume,
PrimaryBufferImpl_GetPan,
PrimaryBufferImpl_GetFrequency,
PrimaryBufferImpl_GetStatus,
PrimaryBufferImpl_Initialize,
PrimaryBufferImpl_Lock,
PrimaryBufferImpl_Play,
PrimaryBufferImpl_SetCurrentPosition,
PrimaryBufferImpl_SetFormat,
PrimaryBufferImpl_SetVolume,
PrimaryBufferImpl_SetPan,
PrimaryBufferImpl_SetFrequency,
PrimaryBufferImpl_Stop,
PrimaryBufferImpl_Unlock,
PrimaryBufferImpl_Restore
};
HRESULT PrimaryBufferImpl_Create(
DirectSoundDevice * device,
PrimaryBufferImpl ** ppdsb,
LPCDSBUFFERDESC dsbd)
{
PrimaryBufferImpl *dsb;
TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
if (dsbd->lpwfxFormat) {
WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
*ppdsb = NULL;
return DSERR_INVALIDPARAM;
}
dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
if (dsb == NULL) {
WARN("out of memory\n");
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
dsb->ref = 0;
dsb->device = device;
dsb->lpVtbl = &dspbvt;
device->dsbd = *dsbd;
TRACE("Created primary buffer at %p\n", dsb);
TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
"bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
device->pwfx->wFormatTag, device->pwfx->nChannels,
device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
device->pwfx->cbSize);
*ppdsb = dsb;
return S_OK;
}
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