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Implemented the DirectSound HAL in winmm's wineoss (Open Sound System) 

driver, and winmm's interface for DirectSound to access it. It
requires the ability to mmap /dev/dsp, to trigger playback, and
sample-accurate position readouts. (If the soundcard's device driver
does not report these capabilities, wineoss will report the HAL as
unavailable and force DirectSound to use its HEL instead.)
This commit is contained in:
Ove Kaaven 2000-06-24 12:55:33 +00:00 committed by Alexandre Julliard
parent 849c930481
commit fd92ebdb4c
3 changed files with 471 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
dlls/winmm/lolvldrv.c
View File

@ -2143,6 +2143,10 @@ UINT MMDRV_PhysicalFeatures(LPWINE_MLD mld, UINT uMsg, DWORD dwParam1,
break;
case 0x805: /* DRV_QUERYMAPPABLE */
return (lpDrv->bIsMapper) ? 2 : 0;
case 0x810: /* Wine-specific: Retrieve DirectSound interface */
return MMDRV_Message(mld, uMsg, dwParam1, dwParam2, TRUE);
default:
WARN("Unknown call %04x\n", uMsg);
return MMSYSERR_INVALPARAM;

10
dlls/winmm/mmsystem.c
View File

@ -4135,13 +4135,17 @@ DWORD WINAPI waveOutMessage(HWAVEOUT hWaveOut, UINT uMessage,
TRACE("(%04x, %u, %ld, %ld)\n", hWaveOut, uMessage, dwParam1, dwParam2);
if ((wmld = MMDRV_Get(hWaveOut, MMDRV_WAVEOUT, FALSE)) == NULL) {
if ((wmld = MMDRV_Get(hWaveOut, MMDRV_WAVEOUT, TRUE)) != NULL) {
return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
}
return MMSYSERR_INVALHANDLE;
}
/* from M$ KB */
if (uMessage < DRVM_IOCTL || (uMessage >= DRVM_IOCTL_LAST && uMessage < DRVM_MAPPER))
return MMSYSERR_INVALPARAM;
if ((wmld = MMDRV_Get(hWaveOut, MMDRV_WAVEOUT, FALSE)) == NULL)
return MMSYSERR_INVALHANDLE;
return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2, TRUE);
}

475
dlls/winmm/wineoss/audio.c
View File

@ -23,11 +23,15 @@
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include "windef.h"
#include "wingdi.h"
#include "winerror.h"
#include "wine/winuser16.h"
#include "driver.h"
#include "mmddk.h"
#include "dsound.h"
#include "dsdriver.h"
#include "oss.h"
#include "heap.h"
#include "ldt.h"
@ -99,6 +103,10 @@ typedef struct {
DWORD dwThreadID;
HANDLE hEvent;
WAVEOUTCAPSA caps;
/* DirectSound stuff */
LPBYTE mapping;
DWORD maplen;
} WINE_WAVEOUT;
typedef struct {
@ -116,6 +124,8 @@ typedef struct {
static WINE_WAVEOUT WOutDev [MAX_WAVEOUTDRV];
static WINE_WAVEIN WInDev [MAX_WAVEINDRV ];
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
/*======================================================================*
* Low level WAVE implemantation *
*======================================================================*/
@ -210,11 +220,18 @@ static LONG OSS_Init(void)
}
}
if (IOCTL(audio, SNDCTL_DSP_GETCAPS, caps) == 0) {
if ((caps & DSP_CAP_REALTIME) && !(caps && DSP_CAP_BATCH))
WOutDev[0].caps.dwFormats |= WAVECAPS_SAMPLEACCURATE;
TRACE("OSS dsp out caps=%08X\n", caps);
if ((caps & DSP_CAP_REALTIME) && !(caps & DSP_CAP_BATCH)) {
WOutDev[0].caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
/* well, might as well use the DirectSound cap flag for something */
if ((caps & DSP_CAP_TRIGGER) && (caps & DSP_CAP_MMAP))
WOutDev[0].caps.dwSupport |= WAVECAPS_DIRECTSOUND;
}
}
close(audio);
TRACE("out dwFormats = %08lX\n", WOutDev[0].caps.dwFormats);
TRACE("out dwFormats = %08lX, dwSupport = %08lX\n",
WOutDev[0].caps.dwFormats, WOutDev[0].caps.dwSupport);
/* then do input device */
samplesize = 16;
@ -670,10 +687,22 @@ static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
return MMSYSERR_NOERROR;
}
if (dwFlags & WAVE_DIRECTSOUND) {
if (!(WOutDev[wDevID].caps.dwSupport & WAVECAPS_DIRECTSOUND))
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
}
WOutDev[wDevID].unixdev = 0;
if (access(SOUND_DEV, 0) != 0)
return MMSYSERR_NOTENABLED;
audio = open(SOUND_DEV, O_WRONLY|O_NDELAY, 0);
if (dwFlags & WAVE_DIRECTSOUND)
/* we want to be able to mmap() the device, which means it must be opened readable,
* otherwise mmap() will fail (at least under Linux) */
audio = open(SOUND_DEV, O_RDWR|O_NDELAY, 0);
else
audio = open(SOUND_DEV, O_WRONLY|O_NDELAY, 0);
if (audio == -1) {
WARN("can't open (%d)!\n", errno);
return MMSYSERR_ALLOCATED;
@ -691,11 +720,17 @@ static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
WOutDev[wDevID].format.wf.nChannels;
}
/* shockwave player uses only 4 1k-fragments at a rate of 22050 bytes/sec
* thus leading to 46ms per fragment, and a turnaround time of 185ms
*/
/* 2^10=1024 bytes per fragment, 16 fragments max */
audio_fragment = 0x000F000A;
if (dwFlags & WAVE_DIRECTSOUND) {
/* with DirectSound, fragments are irrelevant, but a large buffer isn't...
* so let's choose a full 64KB for DirectSound */
audio_fragment = 0x0020000B;
} else {
/* shockwave player uses only 4 1k-fragments at a rate of 22050 bytes/sec
* thus leading to 46ms per fragment, and a turnaround time of 185ms
*/
/* 2^10=1024 bytes per fragment, 16 fragments max */
audio_fragment = 0x000F000A;
}
sample_rate = WOutDev[wDevID].format.wf.nSamplesPerSec;
dsp_stereo = (WOutDev[wDevID].format.wf.nChannels > 1) ? 1 : 0;
format = (WOutDev[wDevID].format.wBitsPerSample == 16) ? AFMT_S16_LE : AFMT_U8;
@ -723,9 +758,15 @@ static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
WOutDev[wDevID].unixdev = audio;
WOutDev[wDevID].dwFragmentSize = fragment_size;
WOutDev[wDevID].hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
WOutDev[wDevID].hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(WOutDev[wDevID].dwThreadID));
WaitForSingleObject(WOutDev[wDevID].hEvent, INFINITE);
if (!(dwFlags & WAVE_DIRECTSOUND)) {
WOutDev[wDevID].hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
WOutDev[wDevID].hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(WOutDev[wDevID].dwThreadID));
WaitForSingleObject(WOutDev[wDevID].hEvent, INFINITE);
} else {
WOutDev[wDevID].hEvent = INVALID_HANDLE_VALUE;
WOutDev[wDevID].hThread = INVALID_HANDLE_VALUE;
WOutDev[wDevID].dwThreadID = 0;
}
TRACE("fd=%d fragmentSize=%ld\n",
WOutDev[wDevID].unixdev, WOutDev[wDevID].dwFragmentSize);
@ -763,9 +804,15 @@ static DWORD wodClose(WORD wDevID)
ret = WAVERR_STILLPLAYING;
} else {
TRACE("imhere[3-close]\n");
PostThreadMessageA(WOutDev[wDevID].dwThreadID, WINE_WM_CLOSING, 0, 0);
WaitForSingleObject(WOutDev[wDevID].hEvent, INFINITE);
CloseHandle(WOutDev[wDevID].hEvent);
if (WOutDev[wDevID].hEvent != INVALID_HANDLE_VALUE) {
PostThreadMessageA(WOutDev[wDevID].dwThreadID, WINE_WM_CLOSING, 0, 0);
WaitForSingleObject(WOutDev[wDevID].hEvent, INFINITE);
CloseHandle(WOutDev[wDevID].hEvent);
}
if (WOutDev[wDevID].mapping) {
munmap(WOutDev[wDevID].mapping, WOutDev[wDevID].maplen);
WOutDev[wDevID].mapping = NULL;
}
close(WOutDev[wDevID].unixdev);
WOutDev[wDevID].unixdev = 0;
@ -1086,12 +1133,410 @@ DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
case WODM_SETVOLUME: return wodSetVolume (wDevID, dwParam1);
case WODM_RESTART: return wodRestart (wDevID);
case WODM_RESET: return wodReset (wDevID);
case 0x810: return wodDsCreate(wDevID, (PIDSDRIVER*)dwParam1);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Low level DSOUND implementation *
*======================================================================*/
typedef struct IDsDriverImpl IDsDriverImpl;
typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
struct IDsDriverImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDsDriver);
DWORD ref;
/* IDsDriverImpl fields */
UINT wDevID;
IDsDriverBufferImpl*primary;
};
struct IDsDriverBufferImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDsDriverBuffer);
DWORD ref;
/* IDsDriverBufferImpl fields */
IDsDriverImpl* drv;
DWORD buflen;
};
static HRESULT DSDB_MapPrimary(IDsDriverBufferImpl *dsdb)
{
WINE_WAVEOUT *wwo = &(WOutDev[dsdb->drv->wDevID]);
if (!wwo->mapping) {
wwo->mapping = mmap(NULL, wwo->maplen, PROT_WRITE, MAP_SHARED,
wwo->unixdev, 0);
if (wwo->mapping == (LPBYTE)-1) {
ERR("(%p): Could not map sound device for direct access (errno=%d)\n", dsdb, errno);
return DSERR_GENERIC;
}
TRACE("(%p): sound device has been mapped for direct access at %p, size=%ld\n", dsdb, wwo->mapping, wwo->maplen);
}
return DS_OK;
}
static HRESULT DSDB_UnmapPrimary(IDsDriverBufferImpl *dsdb)
{
WINE_WAVEOUT *wwo = &(WOutDev[dsdb->drv->wDevID]);
if (wwo->mapping) {
if (munmap(wwo->mapping, wwo->maplen) < 0) {
ERR("(%p): Could not unmap sound device (errno=%d)\n", dsdb, errno);
return DSERR_GENERIC;
}
wwo->mapping = NULL;
TRACE("(%p): sound device unmapped\n", dsdb);
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
FIXME("(): stub!\n");
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
if (--This->ref)
return This->ref;
if (This == This->drv->primary)
This->drv->primary = NULL;
DSDB_UnmapPrimary(This);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
LPVOID*ppvAudio1,LPDWORD pdwLen1,
LPVOID*ppvAudio2,LPDWORD pdwLen2,
DWORD dwWritePosition,DWORD dwWriteLen,
DWORD dwFlags)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
/* since we (GetDriverDesc flags) have specified DSDDESC_DONTNEEDPRIMARYLOCK,
* and that we don't support secondary buffers, this method will never be called */
TRACE("(%p): stub\n",iface);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
LPVOID pvAudio1,DWORD dwLen1,
LPVOID pvAudio2,DWORD dwLen2)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p): stub\n",iface);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
LPWAVEFORMATEX pwfx)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p,%p)\n",iface,pwfx);
/* On our request (GetDriverDesc flags), DirectSound has by now used
* waveOutClose/waveOutOpen to set the format...
* unfortunately, this means our mmap() is now gone...
* so we need to somehow signal to our DirectSound implementation
* that it should completely recreate this HW buffer...
* this unexpected error code should do the trick... */
return DSERR_BUFFERLOST;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p,%ld): stub\n",iface,dwFreq);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
FIXME("(%p,%p): stub!\n",iface,pVolPan);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%ld): stub\n",iface,dwNewPos);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
LPDWORD lpdwPlay, LPDWORD lpdwWrite)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
count_info info;
DWORD ptr;
TRACE("(%p)\n",iface);
if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_GETOPTR, &info) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
ptr = info.ptr & ~3; /* align the pointer, just in case */
if (lpdwPlay) *lpdwPlay = ptr;
if (lpdwWrite) {
/* add some safety margin (not strictly necessary, but...) */
*lpdwWrite = ptr + 32;
while (*lpdwWrite > This->buflen)
*lpdwWrite -= This->buflen;
}
TRACE("playpos=%ld, writepos=%ld\n", lpdwPlay?*lpdwPlay:0, lpdwWrite?*lpdwWrite:0);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
int enable = PCM_ENABLE_OUTPUT;
TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
int enable = 0;
TRACE("(%p)\n",iface);
/* no more playing */
if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
#if 0
/* the play position must be reset to the beginning of the buffer */
if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_RESET, 0) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
#endif
return DS_OK;
}
static ICOM_VTABLE(IDsDriverBuffer) dsdbvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDsDriverBufferImpl_QueryInterface,
IDsDriverBufferImpl_AddRef,
IDsDriverBufferImpl_Release,
IDsDriverBufferImpl_Lock,
IDsDriverBufferImpl_Unlock,
IDsDriverBufferImpl_SetFormat,
IDsDriverBufferImpl_SetFrequency,
IDsDriverBufferImpl_SetVolumePan,
IDsDriverBufferImpl_SetPosition,
IDsDriverBufferImpl_GetPosition,
IDsDriverBufferImpl_Play,
IDsDriverBufferImpl_Stop
};
static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
FIXME("(%p): stub!\n",iface);
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
if (--This->ref)
return This->ref;
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p,%p)\n",iface,pDesc);
pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK;
strcpy(pDesc->szDesc,"WineOSS DirectSound Driver");
strcpy(pDesc->szDrvName,"wineoss.drv");
pDesc->dnDevNode = WOutDev[This->wDevID].waveDesc.dnDevNode;
pDesc->wVxdId = 0;
pDesc->wReserved = 0;
pDesc->ulDeviceNum = This->wDevID;
pDesc->dwHeapType = DSDHEAP_NOHEAP;
pDesc->pvDirectDrawHeap = NULL;
pDesc->dwMemStartAddress = 0;
pDesc->dwMemEndAddress = 0;
pDesc->dwMemAllocExtra = 0;
pDesc->pvReserved1 = NULL;
pDesc->pvReserved2 = NULL;
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
int enable;
TRACE("(%p)\n",iface);
/* make sure the card doesn't start playing before we want it to */
if (ioctl(WOutDev[This->wDevID].unixdev, SNDCTL_DSP_SETTRIGGER, &enable) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p)\n",iface);
if (This->primary) {
ERR("problem with DirectSound: primary not released\n");
return DSERR_GENERIC;
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%p)\n",iface,pCaps);
memset(pCaps, 0, sizeof(*pCaps));
/* FIXME: need to check actual capabilities */
pCaps->dwFlags = DSCAPS_PRIMARYMONO | DSCAPS_PRIMARYSTEREO |
DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARY16BIT;
pCaps->dwPrimaryBuffers = 1;
/* the other fields only apply to secondary buffers, which we don't support
* (unless we want to mess with wavetable synthesizers and MIDI) */
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
LPWAVEFORMATEX pwfx,
DWORD dwFlags, DWORD dwCardAddress,
LPDWORD pdwcbBufferSize,
LPBYTE *ppbBuffer,
LPVOID *ppvObj)
{
ICOM_THIS(IDsDriverImpl,iface);
IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
HRESULT err;
audio_buf_info info;
TRACE("(%p,%p,%lx,%lx)\n",iface,pwfx,dwFlags,dwCardAddress);
/* we only support primary buffers */
if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
return DSERR_UNSUPPORTED;
if (This->primary)
return DSERR_ALLOCATED;
if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
return DSERR_CONTROLUNAVAIL;
*ippdsdb = (IDsDriverBufferImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
if (*ippdsdb == NULL)
return DSERR_OUTOFMEMORY;
ICOM_VTBL(*ippdsdb) = &dsdbvt;
(*ippdsdb)->ref = 1;
(*ippdsdb)->drv = This;
/* check how big the DMA buffer is now */
if (ioctl(WOutDev[This->wDevID].unixdev, SNDCTL_DSP_GETOSPACE, &info) < 0) {
ERR("ioctl failed (%d)\n", errno);
HeapFree(GetProcessHeap(),0,*ippdsdb);
*ippdsdb = NULL;
return DSERR_GENERIC;
}
WOutDev[This->wDevID].maplen = (*ippdsdb)->buflen = info.fragstotal * info.fragsize;
/* map the DMA buffer */
err = DSDB_MapPrimary(*ippdsdb);
if (err != DS_OK) {
HeapFree(GetProcessHeap(),0,*ippdsdb);
*ippdsdb = NULL;
return err;
}
/* primary buffer is ready to go */
*pdwcbBufferSize = WOutDev[This->wDevID].maplen;
*ppbBuffer = WOutDev[This->wDevID].mapping;
This->primary = *ippdsdb;
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
PIDSDRIVERBUFFER pBuffer,
LPVOID *ppvObj)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%p): stub\n",iface,pBuffer);
return DSERR_INVALIDCALL;
}
static ICOM_VTABLE(IDsDriver) dsdvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDsDriverImpl_QueryInterface,
IDsDriverImpl_AddRef,
IDsDriverImpl_Release,
IDsDriverImpl_GetDriverDesc,
IDsDriverImpl_Open,
IDsDriverImpl_Close,
IDsDriverImpl_GetCaps,
IDsDriverImpl_CreateSoundBuffer,
IDsDriverImpl_DuplicateSoundBuffer
};
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
{
IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
/* the HAL isn't much better than the HEL if we can't do mmap() */
if (!(WOutDev[wDevID].caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
ERR("DirectSound flag not set\n");
MESSAGE("This sound card's driver does not support direct access\n");
MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
return MMSYSERR_NOTSUPPORTED;
}
*idrv = (IDsDriverImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
if (!*idrv)
return MMSYSERR_NOMEM;
ICOM_VTBL(*idrv) = &dsdvt;
(*idrv)->ref = 1;
(*idrv)->wDevID = wDevID;
(*idrv)->primary = NULL;
return MMSYSERR_NOERROR;
}
/*======================================================================*
* Low level WAVE IN implemantation *
*======================================================================*/