Maarten Lankhorst : mmdevapi: Add code to enumerate NOTPRESENT devices.
Alexandre Julliard
julliard at winehq.org
Mon Jan 18 10:58:57 CST 2010
Module: wine
Branch: master
Commit: abd9627d9228070db1f6671b90ac33d940d4f773
URL: http://source.winehq.org/git/wine.git/?a=commit;h=abd9627d9228070db1f6671b90ac33d940d4f773
Author: Maarten Lankhorst <m.b.lankhorst at gmail.com>
Date: Sun Jan 17 13:38:31 2010 +0100
mmdevapi: Add code to enumerate NOTPRESENT devices.
---
dlls/mmdevapi/devenum.c | 83 ++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 78 insertions(+), 5 deletions(-)
diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c
index 40e296e..a708573 100644
--- a/dlls/mmdevapi/devenum.c
+++ b/dlls/mmdevapi/devenum.c
@@ -24,6 +24,8 @@
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
+#include "winnls.h"
+#include "winreg.h"
#include "wine/debug.h"
#include "ole2.h"
@@ -33,6 +35,24 @@
WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
+static const WCHAR software_mmdevapi[] =
+ { 'S','o','f','t','w','a','r','e','\\',
+ 'M','i','c','r','o','s','o','f','t','\\',
+ 'W','i','n','d','o','w','s','\\',
+ 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
+ 'M','M','D','e','v','i','c','e','s','\\',
+ 'A','u','d','i','o',0};
+static const WCHAR reg_render[] =
+ { 'R','e','n','d','e','r',0 };
+static const WCHAR reg_capture[] =
+ { 'C','a','p','t','u','r','e',0 };
+static const WCHAR reg_devicestate[] =
+ { 'D','e','v','i','c','e','S','t','a','t','e',0 };
+static const WCHAR reg_alname[] =
+ { 'A','L','N','a','m','e',0 };
+static const WCHAR reg_properties[] =
+ { 'P','r','o','p','e','r','t','i','e','s',0 };
+
typedef struct MMDevEnumImpl
{
const IMMDeviceEnumeratorVtbl *lpVtbl;
@@ -41,27 +61,35 @@ typedef struct MMDevEnumImpl
static MMDevEnumImpl *MMDevEnumerator;
static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl;
+static const IMMDeviceCollectionVtbl MMDevColVtbl;
typedef struct MMDevColImpl
{
const IMMDeviceCollectionVtbl *lpVtbl;
LONG ref;
- MMDevEnumImpl *parent;
EDataFlow flow;
DWORD state;
} MMDevColImpl;
-static const IMMDeviceCollectionVtbl MMDevColVtbl;
-static HRESULT MMDevCol_Create(IMMDeviceCollection **ppv, MMDevEnumImpl *parent, EDataFlow flow, DWORD state)
+/* Creates or updates the state of a device
+ * If GUID is null, a random guid will be assigned
+ * and the device will be created
+ */
+static void MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD state)
+{
+ FIXME("stub\n");
+}
+
+static HRESULT MMDevCol_Create(IMMDeviceCollection **ppv, EDataFlow flow, DWORD state)
{
MMDevColImpl *This;
+
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = NULL;
if (!This)
return E_OUTOFMEMORY;
This->lpVtbl = &MMDevColVtbl;
This->ref = 1;
- This->parent = parent;
This->flow = flow;
This->state = state;
*ppv = (IMMDeviceCollection*)This;
@@ -143,6 +171,10 @@ HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
if (!This)
{
+ DWORD i = 0;
+ HKEY root, cur, key_capture = NULL, key_render = NULL;
+ LONG ret;
+
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = NULL;
if (!This)
@@ -150,6 +182,47 @@ HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
This->ref = 1;
This->lpVtbl = &MMDevEnumVtbl;
MMDevEnumerator = This;
+
+ ret = RegOpenKeyExW(HKEY_LOCAL_MACHINE, software_mmdevapi, 0, KEY_READ, &root);
+ if (ret == ERROR_SUCCESS)
+ ret = RegOpenKeyExW(root, reg_capture, 0, KEY_READ, &key_capture);
+ if (ret == ERROR_SUCCESS)
+ ret = RegOpenKeyExW(root, reg_render, 0, KEY_READ, &key_render);
+ cur = key_capture;
+ if (ret != ERROR_SUCCESS)
+ {
+ RegCloseKey(key_capture);
+ RegCloseKey(key_render);
+ TRACE("Couldn't open key: %u\n", ret);
+ }
+ else do {
+ WCHAR guidvalue[39];
+ WCHAR alname[128];
+ GUID guid;
+ DWORD len;
+
+ len = sizeof(guidvalue);
+ ret = RegEnumKeyExW(cur, i++, guidvalue, &len, NULL, NULL, NULL, NULL);
+ if (ret == ERROR_NO_MORE_ITEMS)
+ {
+ if (cur == key_capture)
+ {
+ cur = key_render;
+ i = 0;
+ continue;
+ }
+ break;
+ }
+ if (ret != ERROR_SUCCESS)
+ continue;
+ len = sizeof(alname);
+ RegGetValueW(cur, guidvalue, reg_alname, RRF_RT_REG_SZ, NULL, alname, &len);
+ if (SUCCEEDED(CLSIDFromString(guidvalue, &guid)))
+ MMDevice_Create(alname, &guid,
+ cur == key_capture ? eCapture : eRender,
+ DEVICE_STATE_NOTPRESENT);
+ } while (1);
+ RegCloseKey(root);
}
return IUnknown_QueryInterface((IUnknown*)This, riid, ppv);
}
@@ -206,7 +279,7 @@ static HRESULT WINAPI MMDevEnum_EnumAudioEndpoints(IMMDeviceEnumerator *iface, E
return E_INVALIDARG;
if (mask & ~DEVICE_STATEMASK_ALL)
return E_INVALIDARG;
- return MMDevCol_Create(devices, This, flow, mask);
+ return MMDevCol_Create(devices, flow, mask);
}
static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *iface, EDataFlow flow, ERole role, IMMDevice **device)
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