winepulse.drv: Cache the devices looked up in the registry.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gabriel Ivăncescu 2022-02-18 20:38:00 +02:00 committed by Alexandre Julliard
parent 1ccdbcf475
commit 0f4fe1c149
1 changed files with 33 additions and 1 deletions

View File

@ -63,6 +63,14 @@ static struct pulse_config pulse_config;
static HANDLE pulse_thread;
static struct list g_sessions = LIST_INIT(g_sessions);
static struct list g_devices_cache = LIST_INIT(g_devices_cache);
struct device_cache {
struct list entry;
GUID guid;
EDataFlow dataflow;
char pulse_name[0];
};
static GUID pulse_render_guid =
{ 0xfd47d9cc, 0x4218, 0x4135, { 0x9c, 0xe2, 0x0c, 0x19, 0x5c, 0x87, 0x40, 0x5b } };
@ -90,6 +98,10 @@ BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
if (__wine_unix_call(pulse_handle, process_attach, NULL))
return FALSE;
} else if (reason == DLL_PROCESS_DETACH) {
struct device_cache *device, *device_next;
LIST_FOR_EACH_ENTRY_SAFE(device, device_next, &g_devices_cache, struct device_cache, entry)
free(device);
__wine_unix_call(pulse_handle, process_detach, NULL);
if (pulse_thread) {
WaitForSingleObject(pulse_thread, INFINITE);
@ -387,6 +399,7 @@ int WINAPI AUDDRV_GetPriority(void)
static BOOL get_pulse_name_by_guid(const GUID *guid, char pulse_name[MAX_PULSE_NAME_LEN], EDataFlow *flow)
{
struct device_cache *device;
WCHAR key_name[MAX_PULSE_NAME_LEN + 2];
DWORD key_name_size;
DWORD index = 0;
@ -402,6 +415,15 @@ static BOOL get_pulse_name_by_guid(const GUID *guid, char pulse_name[MAX_PULSE_N
return TRUE;
}
/* Check the cache first */
LIST_FOR_EACH_ENTRY(device, &g_devices_cache, struct device_cache, entry) {
if (!IsEqualGUID(guid, &device->guid))
continue;
*flow = device->dataflow;
strcpy(pulse_name, device->pulse_name);
return TRUE;
}
if (RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_READ | KEY_WOW64_64KEY, &key) != ERROR_SUCCESS) {
WARN("No devices found in registry\n");
return FALSE;
@ -412,6 +434,7 @@ static BOOL get_pulse_name_by_guid(const GUID *guid, char pulse_name[MAX_PULSE_N
LSTATUS status;
GUID reg_guid;
HKEY dev_key;
int len;
key_name_size = ARRAY_SIZE(key_name);
if (RegEnumKeyExW(key, index++, key_name, &key_name_size, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
@ -440,7 +463,16 @@ static BOOL get_pulse_name_by_guid(const GUID *guid, char pulse_name[MAX_PULSE_N
return FALSE;
}
return WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, pulse_name, MAX_PULSE_NAME_LEN, NULL, NULL);
if (!(len = WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, pulse_name, MAX_PULSE_NAME_LEN, NULL, NULL)))
return FALSE;
if ((device = malloc(FIELD_OFFSET(struct device_cache, pulse_name[len])))) {
device->guid = reg_guid;
device->dataflow = *flow;
strcpy(device->pulse_name, pulse_name);
list_add_tail(&g_devices_cache, &device->entry);
}
return TRUE;
}
}