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winealsa.drv: Optionally load extra ALSA device names from the registry.

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This commit is contained in:
Andrew Eikum 2012-02-14 15:28:29 -06:00 committed by Alexandre Julliard
parent f7d37b38fe
commit 73cdf6530c
2 changed files with 54 additions and 1 deletions
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2
dlls/winealsa.drv/Makefile.in
View file

@ -1,5 +1,5 @@
MODULE = winealsa.drv
IMPORTS = uuid ole32
IMPORTS = uuid ole32 advapi32
DELAYIMPORTS = winmm
EXTRALIBS = @ALSALIBS@

53
dlls/winealsa.drv/mmdevdrv.c
View file

@ -340,6 +340,57 @@ static HRESULT alsa_get_card_devices(snd_pcm_stream_t stream, WCHAR **ids, char
return S_OK;
}
static void get_reg_devices(snd_pcm_stream_t stream, WCHAR **ids, char **keys,
UINT *num)
{
static const WCHAR drv_keyW[] = {'S','o','f','t','w','a','r','e','\\',
'W','i','n','e','\\','D','r','i','v','e','r','s','\\',
'w','i','n','e','a','l','s','a','.','d','r','v',0};
static const WCHAR ALSAOutputDevices[] = {'A','L','S','A','O','u','t','p','u','t','D','e','v','i','c','e','s',0};
static const WCHAR ALSAInputDevices[] = {'A','L','S','A','I','n','p','u','t','D','e','v','i','c','e','s',0};
HKEY key;
WCHAR reg_devices[256];
DWORD size = sizeof(reg_devices), type, len;
const WCHAR *value_name = (stream == SND_PCM_STREAM_PLAYBACK) ? ALSAOutputDevices : ALSAInputDevices;
/* @@ Wine registry key: HKCU\Software\Wine\Drivers\winealsa.drv */
if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){
if(RegQueryValueExW(key, value_name, 0, &type,
(BYTE*)reg_devices, &size) == ERROR_SUCCESS){
WCHAR *p = reg_devices;
if(type != REG_MULTI_SZ){
ERR("Registry ALSA device list value type must be REG_MULTI_SZ\n");
RegCloseKey(key);
return;
}
while(*p){
char devname[64];
WideCharToMultiByte(CP_UNIXCP, 0, p, -1, devname, sizeof(devname), NULL, NULL);
if(alsa_try_open(devname, stream)){
if(ids && keys){
len = lstrlenW(p) + 1;
ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
memcpy(ids[*num], p, len * sizeof(WCHAR));
len = strlen(devname) + 1;
keys[*num] = HeapAlloc(GetProcessHeap(), 0, len);
memcpy(keys[*num], devname, len);
}
++*num;
}
p += lstrlenW(p) + 1;
}
}
RegCloseKey(key);
}
}
static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
UINT *num)
{
@ -360,6 +411,8 @@ static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
++*num;
}
get_reg_devices(stream, ids, keys, num);
for(err = snd_card_next(&card); card != -1 && err >= 0;
err = snd_card_next(&card)){
char cardpath[64];