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dsound: Implement DirectSoundEnumerateA on top of DirectSoundEnumerateW.

This commit is contained in:
Maarten Lankhorst 2009-11-14 14:27:13 +01:00 committed by Alexandre Julliard
parent 90d078950c
commit 9ec5f957cc
1 changed files with 22 additions and 35 deletions
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53
dlls/dsound/dsound_main.c
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@ -272,6 +272,22 @@ HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
return DS_OK; return DS_OK;
} }
struct morecontext
{
LPDSENUMCALLBACKA callA;
LPVOID data;
};
static BOOL CALLBACK a_to_w_callback(LPGUID guid, LPCWSTR descW, LPCWSTR modW, LPVOID data)
{
struct morecontext *context = data;
char descA[MAXPNAMELEN], modA[MAXPNAMELEN];
WideCharToMultiByte(CP_ACP, 0, descW, -1, descA, sizeof(descA), NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, modW, -1, modA, sizeof(modA), NULL, NULL);
return context->callA(guid, descA, modA, context->data);
}
/*************************************************************************** /***************************************************************************
* DirectSoundEnumerateA [DSOUND.2] * DirectSoundEnumerateA [DSOUND.2]
@ -290,46 +306,17 @@ HRESULT WINAPI DirectSoundEnumerateA(
LPDSENUMCALLBACKA lpDSEnumCallback, LPDSENUMCALLBACKA lpDSEnumCallback,
LPVOID lpContext) LPVOID lpContext)
{ {
unsigned devs, wod; struct morecontext context;
DSDRIVERDESC desc;
GUID guid;
int err;
TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
lpDSEnumCallback, lpContext);
if (lpDSEnumCallback == NULL) { if (lpDSEnumCallback == NULL) {
WARN("invalid parameter: lpDSEnumCallback == NULL\n"); WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM; return DSERR_INVALIDPARAM;
} }
devs = waveOutGetNumDevs(); context.callA = lpDSEnumCallback;
if (devs > 0) { context.data = lpContext;
if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
for (wod = 0; wod < devs; ++wod) {
if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod]) ) {
err = mmErr(waveOutMessage(UlongToHandle(wod),DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
"Primary Sound Driver","",lpContext);
if (lpDSEnumCallback(NULL, "Primary Sound Driver", "", lpContext) == FALSE)
return DS_OK;
}
}
}
}
}
for (wod = 0; wod < devs; ++wod) { return DirectSoundEnumerateW(a_to_w_callback, &context);
err = mmErr(waveOutMessage(UlongToHandle(wod),DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], desc.szDesc, desc.szDrvname, lpContext) == FALSE)
return DS_OK;
}
}
return DS_OK;
} }
/*************************************************************************** /***************************************************************************