dlls/mmdevapi/tests/render.c - wine - Git at Google

 /*
  * Copyright 2010 Maarten Lankhorst for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 /* This test is for audio playback specific mechanisms
  * Tests:
  * - IAudioClient with eRender and IAudioRenderClient
  */

 #include "wine/test.h"

 #define COBJMACROS

 #ifdef STANDALONE
 #include "initguid.h"
 #endif

 #include "unknwn.h"
 #include "uuids.h"
 #include "mmdeviceapi.h"
 #include "audioclient.h"

 static IMMDevice *dev = NULL;

 static void test_uninitialized(IAudioClient *ac)
 {
     HRESULT hr;
     UINT32 num;
     REFERENCE_TIME t1;

     HANDLE handle = CreateEventW(NULL, FALSE, FALSE, NULL);
     IUnknown *unk;

     hr = IAudioClient_GetBufferSize(ac, &num);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetBufferSize call returns %08x\n", hr);

     hr = IAudioClient_GetStreamLatency(ac, &t1);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetStreamLatency call returns %08x\n", hr);

     hr = IAudioClient_GetCurrentPadding(ac, &num);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetCurrentPadding call returns %08x\n", hr);

     hr = IAudioClient_Start(ac);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Start call returns %08x\n", hr);

     hr = IAudioClient_Stop(ac);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Stop call returns %08x\n", hr);

     hr = IAudioClient_Reset(ac);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Reset call returns %08x\n", hr);

     hr = IAudioClient_SetEventHandle(ac, handle);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized SetEventHandle call returns %08x\n", hr);

     hr = IAudioClient_GetService(ac, &IID_IAudioStreamVolume, (void**)&unk);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetService call returns %08x\n", hr);

     CloseHandle(handle);
 }

 static void test_audioclient(void)
 {
     IAudioClient *ac;
     IUnknown *unk;
     HRESULT hr;
     ULONG ref;
     WAVEFORMATEX *pwfx, *pwfx2;
     REFERENCE_TIME t1, t2;
     HANDLE handle;

     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
             NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if(hr != S_OK)
         return;

     handle = CreateEventW(NULL, FALSE, FALSE, NULL);

     hr = IAudioClient_QueryInterface(ac, &IID_IUnknown, NULL);
     ok(hr == E_POINTER, "QueryInterface(NULL) returned %08x\n", hr);

     unk = (void*)(LONG_PTR)0x12345678;
     hr = IAudioClient_QueryInterface(ac, &IID_NULL, (void**)&unk);
     ok(hr == E_NOINTERFACE, "QueryInterface(IID_NULL) returned %08x\n", hr);
     ok(!unk, "QueryInterface(IID_NULL) returned non-null pointer %p\n", unk);

     hr = IAudioClient_QueryInterface(ac, &IID_IUnknown, (void**)&unk);
     ok(hr == S_OK, "QueryInterface(IID_IUnknown) returned %08x\n", hr);
     if (unk)
     {
         ref = IUnknown_Release(unk);
         ok(ref == 1, "Released count is %u\n", ref);
     }

     hr = IAudioClient_QueryInterface(ac, &IID_IAudioClient, (void**)&unk);
     ok(hr == S_OK, "QueryInterface(IID_IAudioClient) returned %08x\n", hr);
     if (unk)
     {
         ref = IUnknown_Release(unk);
         ok(ref == 1, "Released count is %u\n", ref);
     }

     hr = IAudioClient_GetDevicePeriod(ac, NULL, NULL);
     ok(hr == E_POINTER, "Invalid GetDevicePeriod call returns %08x\n", hr);

     hr = IAudioClient_GetDevicePeriod(ac, &t1, NULL);
     ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);

     hr = IAudioClient_GetDevicePeriod(ac, NULL, &t2);
     ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);

     hr = IAudioClient_GetDevicePeriod(ac, &t1, &t2);
     ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);
     trace("Returned periods: %u.%05u ms %u.%05u ms\n",
           (UINT)(t1/10000), (UINT)(t1 % 10000),
           (UINT)(t2/10000), (UINT)(t2 % 10000));

     hr = IAudioClient_GetMixFormat(ac, NULL);
     ok(hr == E_POINTER, "GetMixFormat returns %08x\n", hr);

     hr = IAudioClient_GetMixFormat(ac, &pwfx);
     ok(hr == S_OK, "Valid GetMixFormat returns %08x\n", hr);

     if (hr == S_OK)
     {
         trace("pwfx: %p\n", pwfx);
         trace("Tag: %04x\n", pwfx->wFormatTag);
         trace("bits: %u\n", pwfx->wBitsPerSample);
         trace("chan: %u\n", pwfx->nChannels);
         trace("rate: %u\n", pwfx->nSamplesPerSec);
         trace("align: %u\n", pwfx->nBlockAlign);
         trace("extra: %u\n", pwfx->cbSize);
         ok(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE, "wFormatTag is %x\n", pwfx->wFormatTag);
         if (pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
         {
             WAVEFORMATEXTENSIBLE *pwfxe = (void*)pwfx;
             trace("Res: %u\n", pwfxe->Samples.wReserved);
             trace("Mask: %x\n", pwfxe->dwChannelMask);
             trace("Alg: %s\n",
                   IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)?"PCM":
                   (IsEqualGUID(&pwfxe->SubFormat,
                                &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)?"FLOAT":"Other"));
         }

         hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, pwfx, &pwfx2);
         ok(hr == S_OK, "Valid IsFormatSupported(Shared) call returns %08x\n", hr);
         ok(pwfx2 == NULL, "pwfx2 is non-null\n");
         CoTaskMemFree(pwfx2);

         hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, NULL, NULL);
         ok(hr == E_POINTER, "IsFormatSupported(NULL) call returns %08x\n", hr);

         hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, pwfx, NULL);
         ok(hr == E_POINTER, "IsFormatSupported(Shared,NULL) call returns %08x\n", hr);

         hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_EXCLUSIVE, pwfx, NULL);
         ok(hr == S_OK || hr == AUDCLNT_E_UNSUPPORTED_FORMAT, "IsFormatSupported(Exclusive) call returns %08x\n", hr);

         hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_EXCLUSIVE, pwfx, &pwfx2);
         ok(hr == S_OK || hr == AUDCLNT_E_UNSUPPORTED_FORMAT, "IsFormatSupported(Exclusive) call returns %08x\n", hr);
         ok(pwfx2 == NULL, "pwfx2 non-null on exclusive IsFormatSupported\n");

         hr = IAudioClient_IsFormatSupported(ac, 0xffffffff, pwfx, NULL);
         ok(hr == E_INVALIDARG ||
            hr == AUDCLNT_E_UNSUPPORTED_FORMAT,
            "IsFormatSupported(0xffffffff) call returns %08x\n", hr);
     }

     test_uninitialized(ac);

     hr = IAudioClient_Initialize(ac, 3, 0, 5000000, 0, pwfx, NULL);
     ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Initialize with invalid sharemode returns %08x\n", hr);

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0xffffffff, 5000000, 0, pwfx, NULL);
     ok(hr == E_INVALIDARG, "Initialize with invalid flags returns %08x\n", hr);

     /* It seems that if length > 2s or periodicity != 0 the length is ignored and call succeeds
      * Since we can only initialize successfully once, skip those tests.
      */
     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, NULL, NULL);
     ok(hr == E_POINTER, "Initialize with null format returns %08x\n", hr);

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, pwfx, NULL);
     ok(hr == S_OK, "Valid Initialize returns %08x\n", hr);

     if (hr != S_OK)
     {
         skip("Cannot initialize %08x, remainder of tests is useless\n", hr);
         CoTaskMemFree(pwfx);
         return;
     }

     hr = IAudioClient_GetStreamLatency(ac, NULL);
     ok(hr == E_POINTER, "GetStreamLatency(NULL) call returns %08x\n", hr);

     hr = IAudioClient_GetStreamLatency(ac, &t1);
     ok(hr == S_OK, "Valid GetStreamLatency call returns %08x\n", hr);
     trace("Returned latency: %u.%05u ms\n",
           (UINT)(t1/10000), (UINT)(t1 % 10000));

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, pwfx, NULL);
     ok(hr == AUDCLNT_E_ALREADY_INITIALIZED, "Calling Initialize twice returns %08x\n", hr);

     hr = IAudioClient_SetEventHandle(ac, NULL);
     ok(hr == E_INVALIDARG, "SetEventHandle(NULL) returns %08x\n", hr);

     hr = IAudioClient_SetEventHandle(ac, handle);
     ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED ||
        broken(hr == HRESULT_FROM_WIN32(ERROR_INVALID_NAME)) ||
        broken(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) /* Some 2k8 */ ||
        broken(hr == HRESULT_FROM_WIN32(ERROR_BAD_PATHNAME)) /* Some Vista */
        , "SetEventHandle returns %08x\n", hr);

     hr = IAudioClient_Reset(ac);
     ok(hr == S_OK, "Reset on a resetted stream returns %08x\n", hr);

     hr = IAudioClient_Stop(ac);
     ok(hr == S_FALSE, "Stop on a stopped stream returns %08x\n", hr);

     hr = IAudioClient_Start(ac);
     ok(hr == S_OK, "Start on a stopped stream returns %08x\n", hr);

     IAudioClient_Release(ac);

     CloseHandle(handle);
     CoTaskMemFree(pwfx);
 }

 static void test_references(void)
 {
     IAudioClient *ac;
     IAudioRenderClient *rc;
     ISimpleAudioVolume *sav;
     IAudioClock *acl;
     WAVEFORMATEX *pwfx;
     HRESULT hr;
     ULONG ref;

     /* IAudioRenderClient */
     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
             NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_GetMixFormat(ac, &pwfx);
     ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
             0, pwfx, NULL);
     ok(hr == S_OK, "Initialize failed: %08x\n", hr);

     hr = IAudioClient_GetService(ac, &IID_IAudioRenderClient, (void**)&rc);
     ok(hr == S_OK, "GetService failed: %08x\n", hr);

     IAudioRenderClient_AddRef(rc);
     ref = IAudioRenderClient_Release(rc);
     ok(ref != 0, "RenderClient_Release gave wrong refcount: %u\n", ref);

     ref = IAudioClient_Release(ac);
     ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

     ref = IAudioRenderClient_Release(rc);
     ok(ref == 0, "RenderClient_Release gave wrong refcount: %u\n", ref);

     /* ISimpleAudioVolume */
     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
             NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_GetMixFormat(ac, &pwfx);
     ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
             0, pwfx, NULL);
     ok(hr == S_OK, "Initialize failed: %08x\n", hr);

     hr = IAudioClient_GetService(ac, &IID_ISimpleAudioVolume, (void**)&sav);
     ok(hr == S_OK, "GetService failed: %08x\n", hr);

     ISimpleAudioVolume_AddRef(sav);
     ref = ISimpleAudioVolume_Release(sav);
     ok(ref != 0, "SimpleAudioVolume_Release gave wrong refcount: %u\n", ref);

     ref = IAudioClient_Release(ac);
     ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

     ref = ISimpleAudioVolume_Release(sav);
     ok(ref == 0, "SimpleAudioVolume_Release gave wrong refcount: %u\n", ref);

     /* IAudioClock */
     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
             NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_GetMixFormat(ac, &pwfx);
     ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
             0, pwfx, NULL);
     ok(hr == S_OK, "Initialize failed: %08x\n", hr);

     hr = IAudioClient_GetService(ac, &IID_IAudioClock, (void**)&acl);
     ok(hr == S_OK, "GetService failed: %08x\n", hr);

     IAudioClock_AddRef(acl);
     ref = IAudioClock_Release(acl);
     ok(ref != 0, "AudioClock_Release gave wrong refcount: %u\n", ref);

     ref = IAudioClient_Release(ac);
     ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

     ref = IAudioClock_Release(acl);
     ok(ref == 0, "AudioClock_Release gave wrong refcount: %u\n", ref);
 }

 static void test_event(void)
 {
     HANDLE event;
     HRESULT hr;
     IAudioClient *ac;
     WAVEFORMATEX *pwfx;

     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
             NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_GetMixFormat(ac, &pwfx);
     ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);
     if(hr != S_OK)
         return;

     hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED,
             AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 5000000,
             0, pwfx, NULL);
     ok(hr == S_OK, "Initialize failed: %08x\n", hr);

     event = CreateEventW(NULL, FALSE, FALSE, NULL);
     ok(event != NULL, "CreateEvent failed\n");

     hr = IAudioClient_Start(ac);
     ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_SET, "Start failed: %08x\n", hr);

     hr = IAudioClient_SetEventHandle(ac, event);
     ok(hr == S_OK, "SetEventHandle failed: %08x\n", hr);

     hr = IAudioClient_Start(ac);
     ok(hr == S_OK, "Start failed: %08x\n", hr);

     hr = IAudioClient_Stop(ac);
     ok(hr == S_OK, "Start failed: %08x\n", hr);

     /* test releasing a playing stream */
     hr = IAudioClient_Start(ac);
     ok(hr == S_OK, "Start failed: %08x\n", hr);
     IAudioClient_Release(ac);

     CloseHandle(event);
 }

 START_TEST(render)
 {
     HRESULT hr;
     IMMDeviceEnumerator *mme = NULL;

     CoInitializeEx(NULL, COINIT_MULTITHREADED);
     hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&mme);
     if (FAILED(hr))
     {
         skip("mmdevapi not available: 0x%08x\n", hr);
         goto cleanup;
     }

     hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(mme, eRender, eMultimedia, &dev);
     ok(hr == S_OK || hr == E_NOTFOUND, "GetDefaultAudioEndpoint failed: 0x%08x\n", hr);
     if (hr != S_OK || !dev)
     {
         if (hr == E_NOTFOUND)
             skip("No sound card available\n");
         else
             skip("GetDefaultAudioEndpoint returns 0x%08x\n", hr);
         goto cleanup;
     }

     test_audioclient();
     test_references();
     test_event();

     IMMDevice_Release(dev);

 cleanup:
     if (mme)
         IMMDeviceEnumerator_Release(mme);
     CoUninitialize();
 }
	/*
	* Copyright 2010 Maarten Lankhorst for CodeWeavers
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	/* This test is for audio playback specific mechanisms
	* Tests:
	* - IAudioClient with eRender and IAudioRenderClient
	*/

	#include "wine/test.h"

	#define COBJMACROS

	#ifdef STANDALONE
	#include "initguid.h"
	#endif

	#include "unknwn.h"
	#include "uuids.h"
	#include "mmdeviceapi.h"
	#include "audioclient.h"

	static IMMDevice *dev = NULL;

	static void test_uninitialized(IAudioClient *ac)
	{
	HRESULT hr;
	UINT32 num;
	REFERENCE_TIME t1;

	HANDLE handle = CreateEventW(NULL, FALSE, FALSE, NULL);
	IUnknown *unk;

	hr = IAudioClient_GetBufferSize(ac, &num);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetBufferSize call returns %08x\n", hr);

	hr = IAudioClient_GetStreamLatency(ac, &t1);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetStreamLatency call returns %08x\n", hr);

	hr = IAudioClient_GetCurrentPadding(ac, &num);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetCurrentPadding call returns %08x\n", hr);

	hr = IAudioClient_Start(ac);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Start call returns %08x\n", hr);

	hr = IAudioClient_Stop(ac);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Stop call returns %08x\n", hr);

	hr = IAudioClient_Reset(ac);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized Reset call returns %08x\n", hr);

	hr = IAudioClient_SetEventHandle(ac, handle);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized SetEventHandle call returns %08x\n", hr);

	hr = IAudioClient_GetService(ac, &IID_IAudioStreamVolume, (void**)&unk);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Uninitialized GetService call returns %08x\n", hr);

	CloseHandle(handle);
	}

	static void test_audioclient(void)
	{
	IAudioClient *ac;
	IUnknown *unk;
	HRESULT hr;
	ULONG ref;
	WAVEFORMATEX pwfx, pwfx2;
	REFERENCE_TIME t1, t2;
	HANDLE handle;

	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
	NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if(hr != S_OK)
	return;

	handle = CreateEventW(NULL, FALSE, FALSE, NULL);

	hr = IAudioClient_QueryInterface(ac, &IID_IUnknown, NULL);
	ok(hr == E_POINTER, "QueryInterface(NULL) returned %08x\n", hr);

	unk = (void*)(LONG_PTR)0x12345678;
	hr = IAudioClient_QueryInterface(ac, &IID_NULL, (void**)&unk);
	ok(hr == E_NOINTERFACE, "QueryInterface(IID_NULL) returned %08x\n", hr);
	ok(!unk, "QueryInterface(IID_NULL) returned non-null pointer %p\n", unk);

	hr = IAudioClient_QueryInterface(ac, &IID_IUnknown, (void**)&unk);
	ok(hr == S_OK, "QueryInterface(IID_IUnknown) returned %08x\n", hr);
	if (unk)
	{
	ref = IUnknown_Release(unk);
	ok(ref == 1, "Released count is %u\n", ref);
	}

	hr = IAudioClient_QueryInterface(ac, &IID_IAudioClient, (void**)&unk);
	ok(hr == S_OK, "QueryInterface(IID_IAudioClient) returned %08x\n", hr);
	if (unk)
	{
	ref = IUnknown_Release(unk);
	ok(ref == 1, "Released count is %u\n", ref);
	}

	hr = IAudioClient_GetDevicePeriod(ac, NULL, NULL);
	ok(hr == E_POINTER, "Invalid GetDevicePeriod call returns %08x\n", hr);

	hr = IAudioClient_GetDevicePeriod(ac, &t1, NULL);
	ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);

	hr = IAudioClient_GetDevicePeriod(ac, NULL, &t2);
	ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);

	hr = IAudioClient_GetDevicePeriod(ac, &t1, &t2);
	ok(hr == S_OK, "Valid GetDevicePeriod call returns %08x\n", hr);
	trace("Returned periods: %u.%05u ms %u.%05u ms\n",
	(UINT)(t1/10000), (UINT)(t1 % 10000),
	(UINT)(t2/10000), (UINT)(t2 % 10000));

	hr = IAudioClient_GetMixFormat(ac, NULL);
	ok(hr == E_POINTER, "GetMixFormat returns %08x\n", hr);

	hr = IAudioClient_GetMixFormat(ac, &pwfx);
	ok(hr == S_OK, "Valid GetMixFormat returns %08x\n", hr);

	if (hr == S_OK)
	{
	trace("pwfx: %p\n", pwfx);
	trace("Tag: %04x\n", pwfx->wFormatTag);
	trace("bits: %u\n", pwfx->wBitsPerSample);
	trace("chan: %u\n", pwfx->nChannels);
	trace("rate: %u\n", pwfx->nSamplesPerSec);
	trace("align: %u\n", pwfx->nBlockAlign);
	trace("extra: %u\n", pwfx->cbSize);
	ok(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE, "wFormatTag is %x\n", pwfx->wFormatTag);
	if (pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
	{
	WAVEFORMATEXTENSIBLE pwfxe = (void)pwfx;
	trace("Res: %u\n", pwfxe->Samples.wReserved);
	trace("Mask: %x\n", pwfxe->dwChannelMask);
	trace("Alg: %s\n",
	IsEqualGUID(&pwfxe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)?"PCM":
	(IsEqualGUID(&pwfxe->SubFormat,
	&KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)?"FLOAT":"Other"));
	}

	hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, pwfx, &pwfx2);
	ok(hr == S_OK, "Valid IsFormatSupported(Shared) call returns %08x\n", hr);
	ok(pwfx2 == NULL, "pwfx2 is non-null\n");
	CoTaskMemFree(pwfx2);

	hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, NULL, NULL);
	ok(hr == E_POINTER, "IsFormatSupported(NULL) call returns %08x\n", hr);

	hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_SHARED, pwfx, NULL);
	ok(hr == E_POINTER, "IsFormatSupported(Shared,NULL) call returns %08x\n", hr);

	hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_EXCLUSIVE, pwfx, NULL);
	ok(hr == S_OK \|\| hr == AUDCLNT_E_UNSUPPORTED_FORMAT, "IsFormatSupported(Exclusive) call returns %08x\n", hr);

	hr = IAudioClient_IsFormatSupported(ac, AUDCLNT_SHAREMODE_EXCLUSIVE, pwfx, &pwfx2);
	ok(hr == S_OK \|\| hr == AUDCLNT_E_UNSUPPORTED_FORMAT, "IsFormatSupported(Exclusive) call returns %08x\n", hr);
	ok(pwfx2 == NULL, "pwfx2 non-null on exclusive IsFormatSupported\n");

	hr = IAudioClient_IsFormatSupported(ac, 0xffffffff, pwfx, NULL);
	ok(hr == E_INVALIDARG \|\|
	hr == AUDCLNT_E_UNSUPPORTED_FORMAT,
	"IsFormatSupported(0xffffffff) call returns %08x\n", hr);
	}

	test_uninitialized(ac);

	hr = IAudioClient_Initialize(ac, 3, 0, 5000000, 0, pwfx, NULL);
	ok(hr == AUDCLNT_E_NOT_INITIALIZED, "Initialize with invalid sharemode returns %08x\n", hr);

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0xffffffff, 5000000, 0, pwfx, NULL);
	ok(hr == E_INVALIDARG, "Initialize with invalid flags returns %08x\n", hr);

	/* It seems that if length > 2s or periodicity != 0 the length is ignored and call succeeds
	* Since we can only initialize successfully once, skip those tests.
	*/
	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, NULL, NULL);
	ok(hr == E_POINTER, "Initialize with null format returns %08x\n", hr);

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, pwfx, NULL);
	ok(hr == S_OK, "Valid Initialize returns %08x\n", hr);

	if (hr != S_OK)
	{
	skip("Cannot initialize %08x, remainder of tests is useless\n", hr);
	CoTaskMemFree(pwfx);
	return;
	}

	hr = IAudioClient_GetStreamLatency(ac, NULL);
	ok(hr == E_POINTER, "GetStreamLatency(NULL) call returns %08x\n", hr);

	hr = IAudioClient_GetStreamLatency(ac, &t1);
	ok(hr == S_OK, "Valid GetStreamLatency call returns %08x\n", hr);
	trace("Returned latency: %u.%05u ms\n",
	(UINT)(t1/10000), (UINT)(t1 % 10000));

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000, 0, pwfx, NULL);
	ok(hr == AUDCLNT_E_ALREADY_INITIALIZED, "Calling Initialize twice returns %08x\n", hr);

	hr = IAudioClient_SetEventHandle(ac, NULL);
	ok(hr == E_INVALIDARG, "SetEventHandle(NULL) returns %08x\n", hr);

	hr = IAudioClient_SetEventHandle(ac, handle);
	ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED \|\|
	broken(hr == HRESULT_FROM_WIN32(ERROR_INVALID_NAME)) \|\|
	broken(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)) /* Some 2k8 */ \|\|
	broken(hr == HRESULT_FROM_WIN32(ERROR_BAD_PATHNAME)) /* Some Vista */
	, "SetEventHandle returns %08x\n", hr);

	hr = IAudioClient_Reset(ac);
	ok(hr == S_OK, "Reset on a resetted stream returns %08x\n", hr);

	hr = IAudioClient_Stop(ac);
	ok(hr == S_FALSE, "Stop on a stopped stream returns %08x\n", hr);

	hr = IAudioClient_Start(ac);
	ok(hr == S_OK, "Start on a stopped stream returns %08x\n", hr);

	IAudioClient_Release(ac);

	CloseHandle(handle);
	CoTaskMemFree(pwfx);
	}

	static void test_references(void)
	{
	IAudioClient *ac;
	IAudioRenderClient *rc;
	ISimpleAudioVolume *sav;
	IAudioClock *acl;
	WAVEFORMATEX *pwfx;
	HRESULT hr;
	ULONG ref;

	/* IAudioRenderClient */
	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
	NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_GetMixFormat(ac, &pwfx);
	ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
	0, pwfx, NULL);
	ok(hr == S_OK, "Initialize failed: %08x\n", hr);

	hr = IAudioClient_GetService(ac, &IID_IAudioRenderClient, (void**)&rc);
	ok(hr == S_OK, "GetService failed: %08x\n", hr);

	IAudioRenderClient_AddRef(rc);
	ref = IAudioRenderClient_Release(rc);
	ok(ref != 0, "RenderClient_Release gave wrong refcount: %u\n", ref);

	ref = IAudioClient_Release(ac);
	ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

	ref = IAudioRenderClient_Release(rc);
	ok(ref == 0, "RenderClient_Release gave wrong refcount: %u\n", ref);

	/* ISimpleAudioVolume */
	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
	NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_GetMixFormat(ac, &pwfx);
	ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
	0, pwfx, NULL);
	ok(hr == S_OK, "Initialize failed: %08x\n", hr);

	hr = IAudioClient_GetService(ac, &IID_ISimpleAudioVolume, (void**)&sav);
	ok(hr == S_OK, "GetService failed: %08x\n", hr);

	ISimpleAudioVolume_AddRef(sav);
	ref = ISimpleAudioVolume_Release(sav);
	ok(ref != 0, "SimpleAudioVolume_Release gave wrong refcount: %u\n", ref);

	ref = IAudioClient_Release(ac);
	ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

	ref = ISimpleAudioVolume_Release(sav);
	ok(ref == 0, "SimpleAudioVolume_Release gave wrong refcount: %u\n", ref);

	/* IAudioClock */
	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
	NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_GetMixFormat(ac, &pwfx);
	ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED, 0, 5000000,
	0, pwfx, NULL);
	ok(hr == S_OK, "Initialize failed: %08x\n", hr);

	hr = IAudioClient_GetService(ac, &IID_IAudioClock, (void**)&acl);
	ok(hr == S_OK, "GetService failed: %08x\n", hr);

	IAudioClock_AddRef(acl);
	ref = IAudioClock_Release(acl);
	ok(ref != 0, "AudioClock_Release gave wrong refcount: %u\n", ref);

	ref = IAudioClient_Release(ac);
	ok(ref != 0, "Client_Release gave wrong refcount: %u\n", ref);

	ref = IAudioClock_Release(acl);
	ok(ref == 0, "AudioClock_Release gave wrong refcount: %u\n", ref);
	}

	static void test_event(void)
	{
	HANDLE event;
	HRESULT hr;
	IAudioClient *ac;
	WAVEFORMATEX *pwfx;

	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER,
	NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_GetMixFormat(ac, &pwfx);
	ok(hr == S_OK, "GetMixFormat failed: %08x\n", hr);
	if(hr != S_OK)
	return;

	hr = IAudioClient_Initialize(ac, AUDCLNT_SHAREMODE_SHARED,
	AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 5000000,
	0, pwfx, NULL);
	ok(hr == S_OK, "Initialize failed: %08x\n", hr);

	event = CreateEventW(NULL, FALSE, FALSE, NULL);
	ok(event != NULL, "CreateEvent failed\n");

	hr = IAudioClient_Start(ac);
	ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_SET, "Start failed: %08x\n", hr);

	hr = IAudioClient_SetEventHandle(ac, event);
	ok(hr == S_OK, "SetEventHandle failed: %08x\n", hr);

	hr = IAudioClient_Start(ac);
	ok(hr == S_OK, "Start failed: %08x\n", hr);

	hr = IAudioClient_Stop(ac);
	ok(hr == S_OK, "Start failed: %08x\n", hr);

	/* test releasing a playing stream */
	hr = IAudioClient_Start(ac);
	ok(hr == S_OK, "Start failed: %08x\n", hr);
	IAudioClient_Release(ac);

	CloseHandle(event);
	}

	START_TEST(render)
	{
	HRESULT hr;
	IMMDeviceEnumerator *mme = NULL;

	CoInitializeEx(NULL, COINIT_MULTITHREADED);
	hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&mme);
	if (FAILED(hr))
	{
	skip("mmdevapi not available: 0x%08x\n", hr);
	goto cleanup;
	}

	hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(mme, eRender, eMultimedia, &dev);
	ok(hr == S_OK \|\| hr == E_NOTFOUND, "GetDefaultAudioEndpoint failed: 0x%08x\n", hr);
	if (hr != S_OK \|\| !dev)
	{
	if (hr == E_NOTFOUND)
	skip("No sound card available\n");
	else
	skip("GetDefaultAudioEndpoint returns 0x%08x\n", hr);
	goto cleanup;
	}

	test_audioclient();
	test_references();
	test_event();

	IMMDevice_Release(dev);

	cleanup:
	if (mme)
	IMMDeviceEnumerator_Release(mme);
	CoUninitialize();
	}