It's not guarded but devices are only created on driver initialization and destroyed on DLL detach.
Signed-off-by: Rémi Bernon rbernon@codeweavers.com --- dlls/mmdevapi/devenum.c | 48 ++++++++++++++-------------------------- dlls/mmdevapi/mmdevapi.h | 4 ++++ 2 files changed, 20 insertions(+), 32 deletions(-)
diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c index d3272a1ff93..214ef0eb039 100644 --- a/dlls/mmdevapi/devenum.c +++ b/dlls/mmdevapi/devenum.c @@ -58,9 +58,7 @@ typedef struct MMDevEnumImpl IMMDeviceEnumerator IMMDeviceEnumerator_iface; } MMDevEnumImpl;
-static MMDevice **MMDevice_head; static MMDevice *MMDevice_def_rec, *MMDevice_def_play; -static DWORD MMDevice_count; static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl; static const IMMDeviceCollectionVtbl MMDevColVtbl; static const IMMDeviceVtbl MMDeviceVtbl; @@ -68,6 +66,7 @@ static const IPropertyStoreVtbl MMDevPropVtbl; static const IMMEndpointVtbl MMEndpointVtbl;
static MMDevEnumImpl enumerator; +static struct list device_list = LIST_INIT(device_list); static IMMDevice info_device;
typedef struct MMDevColImpl @@ -262,9 +261,8 @@ static HRESULT set_driver_prop_value(GUID *id, const EDataFlow flow, const PROPE static MMDevice *MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD state, BOOL setdefault) { HKEY key, root; - MMDevice *cur = NULL; + MMDevice *device, *cur = NULL; WCHAR guidstr[39]; - DWORD i;
static const PROPERTYKEY deviceinterface_key = { {0x233164c8, 0x1b2c, 0x4c7d, {0xbc, 0x68, 0xb6, 0x71, 0x68, 0x7a, 0x25, 0x67}}, 1 @@ -274,9 +272,8 @@ static MMDevice *MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD st {0xb3f8fa53, 0x0004, 0x438e, {0x90, 0x03, 0x51, 0xa4, 0x6e, 0x13, 0x9b, 0xfc}}, 2 };
- for (i = 0; i < MMDevice_count; ++i) + LIST_FOR_EACH_ENTRY(device, &device_list, MMDevice, entry) { - MMDevice *device = MMDevice_head[i]; if (device->flow == flow && IsEqualGUID(&device->devguid, id)){ cur = device; break; @@ -295,11 +292,7 @@ static MMDevice *MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD st InitializeCriticalSection(&cur->crst); cur->crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MMDevice.crst");
- if (!MMDevice_head) - MMDevice_head = HeapAlloc(GetProcessHeap(), 0, sizeof(*MMDevice_head)); - else - MMDevice_head = HeapReAlloc(GetProcessHeap(), 0, MMDevice_head, sizeof(*MMDevice_head)*(1+MMDevice_count)); - MMDevice_head[MMDevice_count++] = cur; + list_add_tail(&device_list, &cur->entry); }else if(cur->ref > 0) WARN("Modifying an MMDevice with postitive reference count!\n");
@@ -494,17 +487,8 @@ HRESULT load_driver_devices(EDataFlow flow)
static void MMDevice_Destroy(MMDevice *This) { - DWORD i; TRACE("Freeing %s\n", debugstr_w(This->drv_id)); - /* Since this function is called at destruction time, reordering of the list is unimportant */ - for (i = 0; i < MMDevice_count; ++i) - { - if (MMDevice_head[i] == This) - { - MMDevice_head[i] = MMDevice_head[--MMDevice_count]; - break; - } - } + list_remove(&This->entry); This->crst.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&This->crst); HeapFree(GetProcessHeap(), 0, This->drv_id); @@ -805,16 +789,15 @@ static ULONG WINAPI MMDevCol_Release(IMMDeviceCollection *iface) static HRESULT WINAPI MMDevCol_GetCount(IMMDeviceCollection *iface, UINT *numdevs) { MMDevColImpl *This = impl_from_IMMDeviceCollection(iface); - DWORD i; + MMDevice *cur;
TRACE("(%p)->(%p)\n", This, numdevs); if (!numdevs) return E_POINTER;
*numdevs = 0; - for (i = 0; i < MMDevice_count; ++i) + LIST_FOR_EACH_ENTRY(cur, &device_list, MMDevice, entry) { - MMDevice *cur = MMDevice_head[i]; if ((cur->flow == This->flow || This->flow == eAll) && (cur->state & This->state)) ++(*numdevs); @@ -825,15 +808,15 @@ static HRESULT WINAPI MMDevCol_GetCount(IMMDeviceCollection *iface, UINT *numdev static HRESULT WINAPI MMDevCol_Item(IMMDeviceCollection *iface, UINT n, IMMDevice **dev) { MMDevColImpl *This = impl_from_IMMDeviceCollection(iface); - DWORD i = 0, j = 0; + MMDevice *cur; + DWORD i = 0;
TRACE("(%p)->(%u, %p)\n", This, n, dev); if (!dev) return E_POINTER;
- for (j = 0; j < MMDevice_count; ++j) + LIST_FOR_EACH_ENTRY(cur, &device_list, MMDevice, entry) { - MMDevice *cur = MMDevice_head[j]; if ((cur->flow == This->flow || This->flow == eAll) && (cur->state & This->state) && i++ == n) @@ -864,8 +847,9 @@ HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
void MMDevEnum_Free(void) { - while (MMDevice_count) - MMDevice_Destroy(MMDevice_head[0]); + MMDevice *device, *next; + LIST_FOR_EACH_ENTRY_SAFE(device, next, &device_list, MMDevice, entry) + MMDevice_Destroy(device); RegCloseKey(key_render); RegCloseKey(key_capture); key_render = key_capture = NULL; @@ -999,7 +983,7 @@ static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *ifa static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHAR *name, IMMDevice **device) { MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface); - DWORD i=0; + MMDevice *impl; IMMDevice *dev = NULL;
TRACE("(%p)->(%s,%p)\n", This, debugstr_w(name), device); @@ -1012,11 +996,11 @@ static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHA return S_OK; }
- for (i = 0; i < MMDevice_count; ++i) + LIST_FOR_EACH_ENTRY(impl, &device_list, MMDevice, entry) { HRESULT hr; WCHAR *str; - dev = &MMDevice_head[i]->IMMDevice_iface; + dev = &impl->IMMDevice_iface; hr = IMMDevice_GetId(dev, &str); if (FAILED(hr)) { diff --git a/dlls/mmdevapi/mmdevapi.h b/dlls/mmdevapi/mmdevapi.h index 73c9b0e9592..db91e333cc8 100644 --- a/dlls/mmdevapi/mmdevapi.h +++ b/dlls/mmdevapi/mmdevapi.h @@ -16,6 +16,8 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */
+#include <wine/list.h> + extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN; extern void MMDevEnum_Free(void) DECLSPEC_HIDDEN;
@@ -67,6 +69,8 @@ typedef struct MMDevice { DWORD state; GUID devguid; WCHAR *drv_id; + + struct list entry; } MMDevice;
extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;