main.c File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "ole2.h"
#include "olectl.h"
#include "rpcproxy.h"
#include "propsys.h"
#include "propkeydef.h"
#include "mmdeviceapi.h"
#include "mmsystem.h"
#include "dsound.h"
#include "audioclient.h"
#include "endpointvolume.h"
#include "audiopolicy.h"
#include "devpkey.h"
#include "winreg.h"
#include "mmdevapi.h"
#include "wine/debug.h"

Include dependency graph for main.c:

Go to the source code of this file.

Classes
struct	IClassFactoryImpl

Macros
#define	COBJMACROS
#define	LDFC(n)

Typedefs
typedef HRESULT(*	FnCreateInstance) (REFIID riid, LPVOID *ppobj)

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (mmdevapi)
static const char *	get_priority_string (int prio)
static BOOL	load_driver (const WCHAR *name, DriverFuncs *driver)
static BOOL WINAPI	init_driver (INIT_ONCE *once, void *param, void **context)
BOOL WINAPI	DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
HRESULT WINAPI	DllCanUnloadNow (void)
static IClassFactoryImpl *	impl_from_IClassFactory (IClassFactory *iface)
static HRESULT WINAPI	MMCF_QueryInterface (IClassFactory *iface, REFIID riid, void **ppobj)
static ULONG WINAPI	MMCF_AddRef (LPCLASSFACTORY iface)
static ULONG WINAPI	MMCF_Release (LPCLASSFACTORY iface)
static HRESULT WINAPI	MMCF_CreateInstance (LPCLASSFACTORY iface, LPUNKNOWN pOuter, REFIID riid, LPVOID *ppobj)
static HRESULT WINAPI	MMCF_LockServer (LPCLASSFACTORY iface, BOOL dolock)
HRESULT WINAPI	DllGetClassObject (REFCLSID rclsid, REFIID riid, LPVOID *ppv)
HRESULT WINAPI	DllRegisterServer (void)
HRESULT WINAPI	DllUnregisterServer (void)

Variables
static HINSTANCE	instance
DriverFuncs	drvs
const WCHAR	drv_keyW []
static const IClassFactoryVtbl	MMCF_Vtbl
static IClassFactoryImpl	MMDEVAPI_CF []

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 22 of file main.c.

LDFC

#define LDFC

(

n

)

Value:

do { driver->p##n = (void*)GetProcAddress(driver->module, #n);\
        if(!driver->p##n) { FreeLibrary(driver->module); return FALSE; } } while(0)

Typedef Documentation

FnCreateInstance

typedef HRESULT(* FnCreateInstance) (REFIID riid, LPVOID *ppobj)

Definition at line 188 of file main.c.

Function Documentation

DllCanUnloadNow()

HRESULT WINAPI DllCanUnloadNow

(

void

)

Definition at line 183 of file main.c.

{
    return S_FALSE;
}

DllGetClassObject()

HRESULT WINAPI DllGetClassObject	(	REFCLSID	rclsid,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 269 of file main.c.

{
    static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
    unsigned int i = 0;
    TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);

    if(!InitOnceExecuteOnce(&init_once, init_driver, NULL, NULL)) {
        ERR("Driver initialization failed\n");
        return E_FAIL;
    }

    if (ppv == NULL) {
        WARN("invalid parameter\n");
        return E_INVALIDARG;
    }

    *ppv = NULL;

    if (!IsEqualIID(riid, &IID_IClassFactory) &&
        !IsEqualIID(riid, &IID_IUnknown)) {
        WARN("no interface for %s\n", debugstr_guid(riid));
        return E_NOINTERFACE;
    }

    for (i = 0; i < ARRAY_SIZE(MMDEVAPI_CF); ++i)
    {
        if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
            IClassFactory_AddRef(&MMDEVAPI_CF[i].IClassFactory_iface);
            *ppv = &MMDEVAPI_CF[i];
            return S_OK;
        }
    }

    WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
         debugstr_guid(riid), ppv);
    return CLASS_E_CLASSNOTAVAILABLE;
}

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinstDLL,
		DWORD	fdwReason,
		LPVOID	lpvReserved
	)

Definition at line 163 of file main.c.

{
    TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);

    switch (fdwReason)
    {
        case DLL_PROCESS_ATTACH:
            instance = hinstDLL;
            DisableThreadLibraryCalls(hinstDLL);
            break;
        case DLL_PROCESS_DETACH:
            if(lpvReserved)
                break;
            MMDevEnum_Free();
            break;
    }

    return TRUE;
}

DllRegisterServer()

HRESULT WINAPI DllRegisterServer

(

void

)

Definition at line 310 of file main.c.

{
    return __wine_register_resources( instance );
}

DllUnregisterServer()

HRESULT WINAPI DllUnregisterServer

(

void

)

Definition at line 318 of file main.c.

{
    return __wine_unregister_resources( instance );
}

get_priority_string()

static const char* get_priority_string ( int  prio )

static

Definition at line 53 of file main.c.

{
    switch(prio){
    case Priority_Unavailable:
        return "Unavailable";
    case Priority_Low:
        return "Low";
    case Priority_Neutral:
        return "Neutral";
    case Priority_Preferred:
        return "Preferred";
    }
    return "Invalid";
}

Referenced by init_driver(), and load_driver().

impl_from_IClassFactory()

static IClassFactoryImpl* impl_from_IClassFactory ( IClassFactory *  iface )

inlinestatic

Definition at line 196 of file main.c.

{
    return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
}

Referenced by MMCF_CreateInstance(), MMCF_LockServer(), and MMCF_QueryInterface().

init_driver()

static BOOL WINAPI init_driver ( INIT_ONCE *  once, void *  param, void **  context  )

static

Definition at line 107 of file main.c.

{
    static const WCHAR drv_value[] = {'A','u','d','i','o',0};

    static WCHAR default_list[] = {'p','u','l','s','e',',','a','l','s','a',',','o','s','s',',',
        'c','o','r','e','a','u','d','i','o',',','a','n','d','r','o','i','d',0};

    DriverFuncs driver;
    HKEY key;
    WCHAR reg_list[256], *p, *next, *driver_list = default_list;

    if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){
        DWORD size = sizeof(reg_list);

        if(RegQueryValueExW(key, drv_value, 0, NULL, (BYTE*)reg_list,
                    &size) == ERROR_SUCCESS){
            if(reg_list[0] == '\0'){
                TRACE("User explicitly chose no driver\n");
                RegCloseKey(key);
                return TRUE;
            }

            driver_list = reg_list;
        }

        RegCloseKey(key);
    }

    TRACE("Loading driver list %s\n", wine_dbgstr_w(driver_list));
    for(next = p = driver_list; next; p = next + 1){
        next = wcschr(p, ',');
        if(next)
            *next = '\0';

        driver.priority = Priority_Unavailable;
        if(load_driver(p, &driver)){
            if(driver.priority == Priority_Unavailable)
                FreeLibrary(driver.module);
            else if(!drvs.module || driver.priority > drvs.priority){
                TRACE("Selecting driver %s with priority %s\n",
                        wine_dbgstr_w(p), get_priority_string(driver.priority));
                if(drvs.module)
                    FreeLibrary(drvs.module);
                drvs = driver;
            }else
                FreeLibrary(driver.module);
        }else
            TRACE("Failed to load driver %s\n", wine_dbgstr_w(p));

        if(next)
            *next = ',';
    }

    return drvs.module != 0;
}

Referenced by DllGetClassObject().

load_driver()

static BOOL load_driver ( const WCHAR *  name, DriverFuncs *  driver  )

static

Definition at line 68 of file main.c.

{
    WCHAR driver_module[264];
    static const WCHAR wineW[] = {'w','i','n','e',0};
    static const WCHAR dotdrvW[] = {'.','d','r','v',0};

    lstrcpyW(driver_module, wineW);
    lstrcatW(driver_module, name);
    lstrcatW(driver_module, dotdrvW);

    TRACE("Attempting to load %s\n", wine_dbgstr_w(driver_module));

    driver->module = LoadLibraryW(driver_module);
    if(!driver->module){
        TRACE("Unable to load %s: %u\n", wine_dbgstr_w(driver_module),
                GetLastError());
        return FALSE;
    }

#define LDFC(n) do { driver->p##n = (void*)GetProcAddress(driver->module, #n);\
        if(!driver->p##n) { FreeLibrary(driver->module); return FALSE; } } while(0)
    LDFC(GetPriority);
    LDFC(GetEndpointIDs);
    LDFC(GetAudioEndpoint);
    LDFC(GetAudioSessionManager);
#undef LDFC

    /* optional - do not fail if not found */
    driver->pGetPropValue = (void*)GetProcAddress(driver->module, "GetPropValue");

    driver->priority = driver->pGetPriority();
    lstrcpyW(driver->module_name, driver_module);

    TRACE("Successfully loaded %s with priority %s\n",
            wine_dbgstr_w(driver_module), get_priority_string(driver->priority));

    return TRUE;
}

Referenced by init_driver().

MMCF_AddRef()

static ULONG WINAPI MMCF_AddRef ( LPCLASSFACTORY  iface )

static

Definition at line 219 of file main.c.

{
    return 2;
}

MMCF_CreateInstance()

static HRESULT WINAPI MMCF_CreateInstance ( LPCLASSFACTORY  iface, LPUNKNOWN  pOuter, REFIID  riid, LPVOID *  ppobj  )

static

Definition at line 230 of file main.c.

{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
    TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);

    if (pOuter)
        return CLASS_E_NOAGGREGATION;

    if (ppobj == NULL) {
        WARN("invalid parameter\n");
        return E_POINTER;
    }
    *ppobj = NULL;
    return This->pfnCreateInstance(riid, ppobj);
}

MMCF_LockServer()

static HRESULT WINAPI MMCF_LockServer ( LPCLASSFACTORY  iface, BOOL  dolock  )

static

Definition at line 250 of file main.c.

{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
    FIXME("(%p, %d) stub!\n", This, dolock);
    return S_OK;
}

MMCF_QueryInterface()

static HRESULT WINAPI MMCF_QueryInterface ( IClassFactory *  iface, REFIID  riid, void **  ppobj  )

static

Definition at line 202 of file main.c.

{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
    TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
    if (ppobj == NULL)
        return E_POINTER;
    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IClassFactory))
    {
        *ppobj = iface;
        IClassFactory_AddRef(iface);
        return S_OK;
    }
    *ppobj = NULL;
    return E_NOINTERFACE;
}

MMCF_Release()

static ULONG WINAPI MMCF_Release ( LPCLASSFACTORY  iface )

static

Definition at line 224 of file main.c.

{
    /* static class, won't be freed */
    return 1;
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

mmdevapi

)

Variable Documentation

drv_keyW

const WCHAR drv_keyW

Initial value:

= {'S','o','f','t','w','a','r','e','\\',
    'W','i','n','e','\\','D','r','i','v','e','r','s',0}

Definition at line 50 of file main.c.

Referenced by init_driver(), MMDevEnum_GetDefaultAudioEndpoint(), and notif_thread_proc().

drvs

DriverFuncs drvs

Definition at line 48 of file main.c.

Referenced by info_device_ps_GetValue(), init_driver(), load_driver_devices(), MMDevEnum_GetDefaultAudioEndpoint(), MMDevice_Activate(), notif_thread_proc(), set_driver_prop_value(), and set_format().

instance

HINSTANCE instance

static

Definition at line 46 of file main.c.

Referenced by DllMain(), DllRegisterServer(), and DllUnregisterServer().

MMCF_Vtbl

const IClassFactoryVtbl MMCF_Vtbl

static

Initial value:

= {
    MMCF_QueryInterface,
    MMCF_AddRef,
    MMCF_Release,
    MMCF_CreateInstance,
    MMCF_LockServer
}

Definition at line 257 of file main.c.

MMDEVAPI_CF

IClassFactoryImpl MMDEVAPI_CF[]

static

Initial value:

= {
    { { &MMCF_Vtbl }, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
}

Definition at line 265 of file main.c.

Referenced by DllGetClassObject().