mirror of
git://source.winehq.org/git/wine.git
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244 lines
7.4 KiB
C
244 lines
7.4 KiB
C
/*
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* Copyright 2011-2012 Maarten Lankhorst
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* Copyright 2010-2011 Maarten Lankhorst for CodeWeavers
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* Copyright 2011 Andrew Eikum for CodeWeavers
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* Copyright 2022 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include <stdarg.h>
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#include <assert.h>
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#include <wchar.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "wine/unixlib.h"
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#include "ole2.h"
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#include "mimeole.h"
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#include "dshow.h"
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#include "dsound.h"
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#include "propsys.h"
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#include "propkey.h"
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#include "initguid.h"
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#include "ks.h"
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#include "ksmedia.h"
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#include "mmdeviceapi.h"
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#include "audioclient.h"
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#include "endpointvolume.h"
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#include "audiopolicy.h"
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#include "../mmdevapi/unixlib.h"
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#include "../mmdevapi/mmdevdrv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(pulse);
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#define MAX_PULSE_NAME_LEN 256
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static struct list g_devices_cache = LIST_INIT(g_devices_cache);
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struct device_cache {
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struct list entry;
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GUID guid;
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EDataFlow dataflow;
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char pulse_name[0];
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};
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static GUID pulse_render_guid =
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{ 0xfd47d9cc, 0x4218, 0x4135, { 0x9c, 0xe2, 0x0c, 0x19, 0x5c, 0x87, 0x40, 0x5b } };
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static GUID pulse_capture_guid =
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{ 0x25da76d0, 0x033c, 0x4235, { 0x90, 0x02, 0x19, 0xf4, 0x88, 0x94, 0xac, 0x6f } };
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static WCHAR drv_key_devicesW[256];
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BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
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{
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if (reason == DLL_PROCESS_ATTACH) {
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WCHAR buf[MAX_PATH];
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WCHAR *filename;
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DisableThreadLibraryCalls(dll);
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if (__wine_init_unix_call())
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return FALSE;
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GetModuleFileNameW(dll, buf, ARRAY_SIZE(buf));
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filename = wcsrchr(buf, '\\');
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filename = filename ? filename + 1 : buf;
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swprintf(drv_key_devicesW, ARRAY_SIZE(drv_key_devicesW),
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L"Software\\Wine\\Drivers\\%s\\devices", filename);
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} else if (reason == DLL_PROCESS_DETACH) {
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struct device_cache *device, *device_next;
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LIST_FOR_EACH_ENTRY_SAFE(device, device_next, &g_devices_cache, struct device_cache, entry)
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free(device);
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}
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return TRUE;
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}
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void WINAPI get_device_guid(EDataFlow flow, const char *pulse_name, GUID *guid)
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{
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WCHAR key_name[MAX_PULSE_NAME_LEN + 2];
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DWORD type, size = sizeof(*guid);
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LSTATUS status;
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HKEY drv_key, dev_key;
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if (!pulse_name[0]) {
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*guid = (flow == eRender) ? pulse_render_guid : pulse_capture_guid;
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return;
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}
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status = RegCreateKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, NULL, 0,
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KEY_WRITE | KEY_WOW64_64KEY, NULL, &drv_key, NULL);
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if (status != ERROR_SUCCESS) {
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ERR("Failed to open devices registry key: %lu\n", status);
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CoCreateGuid(guid);
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return;
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}
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key_name[0] = (flow == eRender) ? '0' : '1';
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key_name[1] = ',';
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MultiByteToWideChar(CP_UNIXCP, 0, pulse_name, -1, key_name + 2, ARRAY_SIZE(key_name) - 2);
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status = RegCreateKeyExW(drv_key, key_name, 0, NULL, 0, KEY_READ | KEY_WRITE | KEY_WOW64_64KEY,
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NULL, &dev_key, NULL);
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if (status != ERROR_SUCCESS) {
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ERR("Failed to open registry key for device %s: %lu\n", pulse_name, status);
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RegCloseKey(drv_key);
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CoCreateGuid(guid);
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return;
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}
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status = RegQueryValueExW(dev_key, L"guid", 0, &type, (BYTE*)guid, &size);
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if (status != ERROR_SUCCESS || type != REG_BINARY || size != sizeof(*guid)) {
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CoCreateGuid(guid);
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status = RegSetValueExW(dev_key, L"guid", 0, REG_BINARY, (BYTE*)guid, sizeof(*guid));
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if (status != ERROR_SUCCESS)
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ERR("Failed to store device GUID for %s to registry: %lu\n", pulse_name, status);
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}
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RegCloseKey(dev_key);
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RegCloseKey(drv_key);
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}
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BOOL WINAPI get_device_name_from_guid(GUID *guid, char **name, EDataFlow *flow)
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{
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struct device_cache *device;
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WCHAR key_name[MAX_PULSE_NAME_LEN + 2];
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DWORD key_name_size;
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DWORD index = 0;
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HKEY key;
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*name = NULL;
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/* Return empty string for default PulseAudio device */
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if (IsEqualGUID(guid, &pulse_render_guid)) {
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*flow = eRender;
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if (!(*name = malloc(1)))
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return FALSE;
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} else if (IsEqualGUID(guid, &pulse_capture_guid)) {
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*flow = eCapture;
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if (!(*name = malloc(1)))
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return FALSE;
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}
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if (*name) {
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*name[0] = '\0';
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return TRUE;
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}
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/* Check the cache first */
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LIST_FOR_EACH_ENTRY(device, &g_devices_cache, struct device_cache, entry) {
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if (!IsEqualGUID(guid, &device->guid))
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continue;
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*flow = device->dataflow;
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if ((*name = strdup(device->pulse_name)))
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return TRUE;
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return FALSE;
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}
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if (RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_READ | KEY_WOW64_64KEY, &key) != ERROR_SUCCESS) {
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WARN("No devices found in registry\n");
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return FALSE;
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}
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for (;;) {
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DWORD size, type;
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LSTATUS status;
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GUID reg_guid;
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HKEY dev_key;
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int len;
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key_name_size = ARRAY_SIZE(key_name);
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if (RegEnumKeyExW(key, index++, key_name, &key_name_size, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
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break;
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if (RegOpenKeyExW(key, key_name, 0, KEY_READ | KEY_WOW64_64KEY, &dev_key) != ERROR_SUCCESS) {
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ERR("Couldn't open key: %s\n", wine_dbgstr_w(key_name));
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continue;
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}
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size = sizeof(reg_guid);
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status = RegQueryValueExW(dev_key, L"guid", 0, &type, (BYTE *)®_guid, &size);
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RegCloseKey(dev_key);
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if (status == ERROR_SUCCESS && type == REG_BINARY && size == sizeof(reg_guid) && IsEqualGUID(®_guid, guid)) {
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RegCloseKey(key);
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TRACE("Found matching device key: %s\n", wine_dbgstr_w(key_name));
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if (key_name[0] == '0')
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*flow = eRender;
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else if (key_name[0] == '1')
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*flow = eCapture;
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else {
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WARN("Unknown device type: %c\n", key_name[0]);
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return FALSE;
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}
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if (!(len = WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, NULL, 0, NULL, NULL)))
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return FALSE;
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if (!(*name = malloc(len)))
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return FALSE;
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if (!WideCharToMultiByte(CP_UNIXCP, 0, key_name + 2, -1, *name, len, NULL, NULL)) {
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free(*name);
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return FALSE;
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}
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if ((device = malloc(FIELD_OFFSET(struct device_cache, pulse_name[len])))) {
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device->guid = reg_guid;
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device->dataflow = *flow;
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memcpy(device->pulse_name, *name, len);
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list_add_tail(&g_devices_cache, &device->entry);
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}
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return TRUE;
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}
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}
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RegCloseKey(key);
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WARN("No matching device in registry for GUID %s\n", debugstr_guid(guid));
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return FALSE;
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}
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