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mmdevapi: Disable sound if the user explicitly selects no driver.

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This also tweaks the no-driver behavior to report 0 active devices
instead of returning an error code.
This commit is contained in:
Andrew Eikum 2011-08-22 14:16:04 -05:00 committed by Alexandre Julliard
parent 7d46943067
commit 23c26982e9
2 changed files with 7 additions and 4 deletions
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6
dlls/mmdevapi/devenum.c
View File

@ -445,6 +445,9 @@ static HRESULT load_driver_devices(EDataFlow flow)
UINT num, def, i;
HRESULT hr;
if(!drvs.pGetEndpointIDs)
return S_OK;
hr = drvs.pGetEndpointIDs(flow, &ids, &keys, &num, &def);
if(FAILED(hr))
return hr;
@ -824,9 +827,6 @@ HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
{
MMDevEnumImpl *This = MMDevEnumerator;
if(!drvs.pGetAudioEndpoint)
return AUDCLNT_E_SERVICE_NOT_RUNNING;
if (!This)
{
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));

5
dlls/mmdevapi/main.c
View File

@ -104,9 +104,12 @@ static BOOL init_driver(void)
DWORD size = sizeof(driver_name);
if(RegQueryValueExW(key, drv_value, 0, NULL, (BYTE*)driver_name,
&size) == ERROR_SUCCESS && driver_name[0] != '\0'){
&size) == ERROR_SUCCESS){
RegCloseKey(key);
if(driver_name[0] == '\0')
return TRUE;
for(next = p = driver_name; next; p = next + 1){
next = strchrW(p, ',');
if(next)