dlls/mmdevapi/tests/capture.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 capture specific mechanisms
  * Tests:
  * - IAudioClient with eCapture and IAudioCaptureClient
  */

 #include "wine/test.h"

 #define CINTERFACE
 #define COBJMACROS

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

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

 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_capture(IAudioClient *ac, HANDLE handle, WAVEFORMATEX *wfx)
 {
     IAudioCaptureClient *acc;
     HRESULT hr;
     UINT32 frames = 0;
     BYTE *data = NULL;
     DWORD flags;
     UINT64 devpos, qpcpos;

     hr = IAudioClient_GetService(ac, &IID_IAudioCaptureClient, (void**)&acc);
     ok(hr == S_OK, "IAudioClient_GetService(IID_IAudioCaptureClient) returns %08x\n", hr);
     if (hr != S_OK)
         return;

     hr = IAudioCaptureClient_GetNextPacketSize(acc, NULL);
     ok(hr == E_POINTER, "IAudioCaptureClient_GetNextPacketSize(NULL) returns %08x\n", hr);

     ok(WaitForSingleObject(handle, 1000) == WAIT_OBJECT_0, "Waiting on event handle failed!\n");

     /* frames can be 0 if no data is available yet.. */
     hr = IAudioCaptureClient_GetNextPacketSize(acc, &frames);
     ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);

     data = (BYTE*)(DWORD_PTR)0xdeadbeef;
     hr = IAudioCaptureClient_GetBuffer(acc, &data, NULL, NULL, NULL, NULL);
     ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(data, NULL, NULL) returns %08x\n", hr);
     ok((DWORD_PTR)data == 0xdeadbeef, "data is reset to %p\n", data);

     frames = 0xdeadbeef;
     hr = IAudioCaptureClient_GetBuffer(acc, NULL, &frames, NULL, NULL, NULL);
     ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(NULL, &frames, NULL) returns %08x\n", hr);
     ok(frames == 0xdeadbeef, "frames is reset to %08x\n", frames);

     flags = 0xdeadbeef;
     hr = IAudioCaptureClient_GetBuffer(acc, NULL, NULL, &flags, NULL, NULL);
     ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(NULL, NULL, &flags) returns %08x\n", hr);
     ok(flags == 0xdeadbeef, "flags is reset to %08x\n", flags);

     hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, NULL, NULL, NULL);
     ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(&ata, &frames, NULL) returns %08x\n", hr);

     hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &devpos, &qpcpos);
     ok(hr == S_OK || hr == AUDCLNT_S_BUFFER_EMPTY, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);
     if (hr == S_OK)
         ok(frames, "Amount of frames locked is 0!\n");
     else if (hr == AUDCLNT_S_BUFFER_EMPTY)
         ok(!frames, "Amount of frames locked with empty buffer is %u!\n", frames);
     else
         ok(0, "GetBuffer returned %08x\n", hr);
     trace("Device position is at %u, amount of frames locked: %u\n", (DWORD)devpos, frames);

     if (frames) {
         hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &devpos, &qpcpos);
         ok(hr == AUDCLNT_E_OUT_OF_ORDER, "Out of order IAudioCaptureClient_GetBuffer returns %08x\n", hr);
     }

     hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
     ok(hr == S_OK, "Releasing buffer returns %08x\n", hr);

     if (frames) {
         hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
         ok(hr == AUDCLNT_E_OUT_OF_ORDER, "Releasing buffer twice returns %08x\n", hr);
     }

     IUnknown_Release(acc);
 }

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

     HANDLE 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);

     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"));
     }

     if (hr == S_OK)
     {
         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, "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 succesfully 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, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 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_Start(ac);
     ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_SET, "Start before SetEventHandle returns %08x\n", hr);

     hr = IAudioClient_SetEventHandle(ac, handle);
     ok(hr == S_OK, "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);

     test_capture(ac, handle, pwfx);

     CloseHandle(handle);
     CoTaskMemFree(pwfx);
 }

 START_TEST(capture)
 {
     HRESULT hr;
     IMMDeviceEnumerator *mme = NULL;
     IMMDevice *dev = NULL;
     IAudioClient *ac = 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, eCapture, 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;
     }

     hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, (void**)&ac);
     ok(hr == S_OK, "Activation failed with %08x\n", hr);
     if (ac)
     {
         test_audioclient(ac);
         IAudioClient_Release(ac);
     }
     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 capture specific mechanisms
	* Tests:
	* - IAudioClient with eCapture and IAudioCaptureClient
	*/

	#include "wine/test.h"

	#define CINTERFACE
	#define COBJMACROS

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

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

	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_capture(IAudioClient ac, HANDLE handle, WAVEFORMATEX wfx)
	{
	IAudioCaptureClient *acc;
	HRESULT hr;
	UINT32 frames = 0;
	BYTE *data = NULL;
	DWORD flags;
	UINT64 devpos, qpcpos;

	hr = IAudioClient_GetService(ac, &IID_IAudioCaptureClient, (void**)&acc);
	ok(hr == S_OK, "IAudioClient_GetService(IID_IAudioCaptureClient) returns %08x\n", hr);
	if (hr != S_OK)
	return;

	hr = IAudioCaptureClient_GetNextPacketSize(acc, NULL);
	ok(hr == E_POINTER, "IAudioCaptureClient_GetNextPacketSize(NULL) returns %08x\n", hr);

	ok(WaitForSingleObject(handle, 1000) == WAIT_OBJECT_0, "Waiting on event handle failed!\n");

	/* frames can be 0 if no data is available yet.. */
	hr = IAudioCaptureClient_GetNextPacketSize(acc, &frames);
	ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);

	data = (BYTE*)(DWORD_PTR)0xdeadbeef;
	hr = IAudioCaptureClient_GetBuffer(acc, &data, NULL, NULL, NULL, NULL);
	ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(data, NULL, NULL) returns %08x\n", hr);
	ok((DWORD_PTR)data == 0xdeadbeef, "data is reset to %p\n", data);

	frames = 0xdeadbeef;
	hr = IAudioCaptureClient_GetBuffer(acc, NULL, &frames, NULL, NULL, NULL);
	ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(NULL, &frames, NULL) returns %08x\n", hr);
	ok(frames == 0xdeadbeef, "frames is reset to %08x\n", frames);

	flags = 0xdeadbeef;
	hr = IAudioCaptureClient_GetBuffer(acc, NULL, NULL, &flags, NULL, NULL);
	ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(NULL, NULL, &flags) returns %08x\n", hr);
	ok(flags == 0xdeadbeef, "flags is reset to %08x\n", flags);

	hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, NULL, NULL, NULL);
	ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(&ata, &frames, NULL) returns %08x\n", hr);

	hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &devpos, &qpcpos);
	ok(hr == S_OK \|\| hr == AUDCLNT_S_BUFFER_EMPTY, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);
	if (hr == S_OK)
	ok(frames, "Amount of frames locked is 0!\n");
	else if (hr == AUDCLNT_S_BUFFER_EMPTY)
	ok(!frames, "Amount of frames locked with empty buffer is %u!\n", frames);
	else
	ok(0, "GetBuffer returned %08x\n", hr);
	trace("Device position is at %u, amount of frames locked: %u\n", (DWORD)devpos, frames);

	if (frames) {
	hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &devpos, &qpcpos);
	ok(hr == AUDCLNT_E_OUT_OF_ORDER, "Out of order IAudioCaptureClient_GetBuffer returns %08x\n", hr);
	}

	hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
	ok(hr == S_OK, "Releasing buffer returns %08x\n", hr);

	if (frames) {
	hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
	ok(hr == AUDCLNT_E_OUT_OF_ORDER, "Releasing buffer twice returns %08x\n", hr);
	}

	IUnknown_Release(acc);
	}

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

	HANDLE 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);

	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"));
	}

	if (hr == S_OK)
	{
	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, "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 succesfully 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, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 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_Start(ac);
	ok(hr == AUDCLNT_E_EVENTHANDLE_NOT_SET, "Start before SetEventHandle returns %08x\n", hr);

	hr = IAudioClient_SetEventHandle(ac, handle);
	ok(hr == S_OK, "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);

	test_capture(ac, handle, pwfx);

	CloseHandle(handle);
	CoTaskMemFree(pwfx);
	}

	START_TEST(capture)
	{
	HRESULT hr;
	IMMDeviceEnumerator *mme = NULL;
	IMMDevice *dev = NULL;
	IAudioClient *ac = 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, eCapture, 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;
	}

	hr = IMMDevice_Activate(dev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, (void**)&ac);
	ok(hr == S_OK, "Activation failed with %08x\n", hr);
	if (ac)
	{
	test_audioclient(ac);
	IAudioClient_Release(ac);
	}
	IMMDevice_Release(dev);

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