Пример #1
0
static void test_audiodata_set_actual(void)
{
    IUnknown *unknown = create_audio_data();
    IAudioData *audio_data = NULL;
    BYTE buffer[100] = {0};
    DWORD actual_data = 0;

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    if (FAILED(result))
    {
        /* test_audiodata_query_interface handles this case */
        skip("No IAudioData\n");
        goto out_unknown;
    }

    result = IAudioData_SetActual(audio_data, 0);
    ok(S_OK == result, "got 0x%08x\n", result);

    result = IAudioData_SetBuffer(audio_data, sizeof(buffer), buffer, 0);
    ok(S_OK == result, "got 0x%08x\n", result);

    result = IAudioData_SetActual(audio_data, sizeof(buffer) + 1);
    ok(E_INVALIDARG == result, "got 0x%08x\n", result);

    result = IAudioData_SetActual(audio_data, sizeof(buffer));
    ok(S_OK == result, "got 0x%08x\n", result);

    actual_data = 0xdeadbeef;
    result = IAudioData_GetInfo(audio_data, NULL, NULL, &actual_data);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(sizeof(buffer) == actual_data, "got %u\n", actual_data);

    result = IAudioData_SetActual(audio_data, 0);
    ok(S_OK == result, "got 0x%08x\n", result);

    actual_data = 0xdeadbeef;
    result = IAudioData_GetInfo(audio_data, NULL, NULL, &actual_data);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(0 == actual_data, "got %u\n", actual_data);

    IAudioData_Release(audio_data);

out_unknown:
    IUnknown_Release(unknown);
}
Пример #2
0
static void test_audiodata_set_buffer(void)
{
    IUnknown *unknown = create_audio_data();
    IAudioData *audio_data = NULL;
    BYTE buffer[100] = {0};
    DWORD length = 0;
    BYTE *data = NULL;

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    if (FAILED(result))
    {
        /* test_audiodata_query_interface handles this case */
        skip("No IAudioData\n");
        goto out_unknown;
    }

    result = IAudioData_SetBuffer(audio_data, 100, NULL, 0);
    ok(S_OK == result, "got 0x%08x\n", result);

    data = (BYTE *)0xdeadbeef;
    length = 0xdeadbeef;
    result = IAudioData_GetInfo(audio_data, &length, &data, NULL);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(100 == length, "got %u\n", length);
    ok(NULL != data, "got %p\n", data);

    result = IAudioData_SetBuffer(audio_data, 0, buffer, 0);
    ok(E_INVALIDARG == result, "got 0x%08x\n", result);

    result = IAudioData_SetBuffer(audio_data, sizeof(buffer), buffer, 0);
    ok(S_OK == result, "got 0x%08x\n", result);

    data = (BYTE *)0xdeadbeef;
    length = 0xdeadbeef;
    result = IAudioData_GetInfo(audio_data, &length, &data, NULL);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(sizeof(buffer) == length, "got %u\n", length);
    ok(buffer == data, "got %p\n", data);

    IAudioData_Release(audio_data);

out_unknown:
    IUnknown_Release(unknown);
}
Пример #3
0
static void test_audiodata_get_format(void)
{
    IUnknown *unknown = create_audio_data();
    IAudioData *audio_data = NULL;
    WAVEFORMATEX wave_format = {0};

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    if (FAILED(result))
    {
        /* test_audiodata_query_interface handles this case */
        skip("No IAudioData\n");
        goto out_unknown;
    }

    result = IAudioData_GetFormat(audio_data, NULL);
    ok(E_POINTER == result, "got 0x%08x\n", result);

    wave_format.wFormatTag = 0xdead;
    wave_format.nChannels = 0xdead;
    wave_format.nSamplesPerSec = 0xdeadbeef;
    wave_format.nAvgBytesPerSec = 0xdeadbeef;
    wave_format.nBlockAlign = 0xdead;
    wave_format.wBitsPerSample = 0xdead;
    wave_format.cbSize = 0xdead;
    result = IAudioData_GetFormat(audio_data, &wave_format);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(WAVE_FORMAT_PCM == wave_format.wFormatTag, "got %u\n", wave_format.wFormatTag);
    ok(1 == wave_format.nChannels, "got %u\n", wave_format.nChannels);
    ok(11025 == wave_format.nSamplesPerSec, "got %u\n", wave_format.nSamplesPerSec);
    ok(22050 == wave_format.nAvgBytesPerSec, "got %u\n", wave_format.nAvgBytesPerSec);
    ok(2 == wave_format.nBlockAlign, "got %u\n", wave_format.nBlockAlign);
    ok(16 == wave_format.wBitsPerSample, "got %u\n", wave_format.wBitsPerSample);
    ok(0 == wave_format.cbSize, "got %u\n", wave_format.cbSize);

    IAudioData_Release(audio_data);

out_unknown:
    IUnknown_Release(unknown);
}
Пример #4
0
static void test_audiodata_get_info(void)
{
    IUnknown *unknown = create_audio_data();
    IAudioData *audio_data = NULL;

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    if (FAILED(result))
    {
        /* test_audiodata_query_interface handles this case */
        skip("No IAudioData\n");
        goto out_unknown;
    }

    result = IAudioData_GetInfo(audio_data, NULL, NULL, NULL);
    ok(MS_E_NOTINIT == result, "got 0x%08x\n", result);

    IAudioData_Release(audio_data);

out_unknown:
    IUnknown_Release(unknown);
}
Пример #5
0
static void test_audiodata_query_interface(void)
{
    IUnknown *unknown = create_audio_data();
    IMemoryData *memory_data = NULL;
    IAudioData *audio_data = NULL;

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IMemoryData, (void **)&memory_data);
    ok(E_NOINTERFACE == result, "got 0x%08x\n", result);

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    ok(S_OK == result, "got 0x%08x\n", result);
    if (S_OK == result)
    {
        result = IAudioData_QueryInterface(audio_data, &IID_IMemoryData, (void **)&memory_data);
        ok(E_NOINTERFACE == result, "got 0x%08x\n", result);

        IAudioData_Release(audio_data);
    }

    IUnknown_Release(unknown);
}
Пример #6
0
static void test_media_streams(void)
{
    HRESULT hr;
    IMediaStream *video_stream = NULL;
    IMediaStream *audio_stream = NULL;
    IMediaStream *dummy_stream;
    IMediaStreamFilter* media_stream_filter = NULL;

    if (!create_ammultimediastream())
        return;
    if (!create_directdraw())
    {
        release_ammultimediastream();
        return;
    }

    hr = IAMMultiMediaStream_Initialize(pams, STREAMTYPE_READ, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_Initialize returned: %x\n", hr);

    /* Retrieve media stream filter */
    hr = IAMMultiMediaStream_GetFilter(pams, NULL);
    ok(hr == E_POINTER, "IAMMultiMediaStream_GetFilter returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetFilter(pams, &media_stream_filter);
    ok(hr == S_OK, "IAMMultiMediaStream_GetFilter returned: %x\n", hr);

    /* Verify behaviour with invalid purpose id */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &IID_IUnknown, &dummy_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &IID_IUnknown, 0, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);

    /* Verify there is no video media stream */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify there is no default renderer for video stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, (IUnknown*)pdd7, &MSPID_PrimaryVideo, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryVideo, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify normal case for video stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryVideo, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify the video stream has been added to the media stream filter */
    if (media_stream_filter)
    {
        hr = IMediaStreamFilter_GetMediaStream(media_stream_filter, &MSPID_PrimaryVideo, &dummy_stream);
        ok(hr == S_OK, "IMediaStreamFilter_GetMediaStream returned: %x\n", hr);
        ok(dummy_stream == video_stream, "Got wrong returned pointer %p, expected %p\n", dummy_stream, video_stream);
        if (SUCCEEDED(hr))
            IMediaStream_Release(dummy_stream);
    }

    /* Check interfaces and samples for video */
    if (video_stream)
    {
        IAMMediaStream* am_media_stream;
        IAudioMediaStream* audio_media_stream;
        IDirectDrawMediaStream *ddraw_stream = NULL;
        IDirectDrawStreamSample *ddraw_sample = NULL;

        hr = IMediaStream_QueryInterface(video_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
        todo_wine ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
        todo_wine ok((void*)am_media_stream == (void*)video_stream, "Not same interface, got %p expected %p\n", am_media_stream, video_stream);
        if (hr == S_OK)
            IAMMediaStream_Release(am_media_stream);

        hr = IMediaStream_QueryInterface(video_stream, &IID_IAudioMediaStream, (LPVOID*)&audio_media_stream);
        ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);

        hr = IMediaStream_QueryInterface(video_stream, &IID_IDirectDrawMediaStream, (LPVOID*)&ddraw_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);

        if (SUCCEEDED(hr))
        {
            DDSURFACEDESC current_format, desired_format;
            IDirectDrawPalette *palette;
            DWORD flags;

            hr = IDirectDrawMediaStream_GetFormat(ddraw_stream, &current_format, &palette, &desired_format, &flags);
            ok(hr == MS_E_NOSTREAM, "IDirectDrawoMediaStream_GetFormat returned: %x\n", hr);

            hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &ddraw_sample);
            ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);
        }

        if (ddraw_sample)
            IDirectDrawStreamSample_Release(ddraw_sample);
        if (ddraw_stream)
            IDirectDrawMediaStream_Release(ddraw_stream);
    }

    /* Verify there is no audio media stream */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify no stream is created when using the default renderer for audio stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok((hr == S_OK) || (hr == VFW_E_NO_AUDIO_HARDWARE), "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    if (hr == S_OK)
    {
        IGraphBuilder* filtergraph = NULL;
        IBaseFilter* filter = NULL;
        const WCHAR name[] = {'0','0','0','1',0};
        CLSID clsid;

        hr = IAMMultiMediaStream_GetFilterGraph(pams, &filtergraph);
        ok(hr == S_OK, "IAMMultiMediaStream_GetFilterGraph returned: %x\n", hr);
        if (hr == S_OK)
        {
            hr = IGraphBuilder_FindFilterByName(filtergraph, name, &filter);
            ok(hr == S_OK, "IGraphBuilder_FindFilterByName returned: %x\n", hr);
        }
        if (hr == S_OK)
        {
            hr = IBaseFilter_GetClassID(filter, &clsid);
            ok(hr == S_OK, "IGraphBuilder_FindFilterByName returned: %x\n", hr);
        }
        if (hr == S_OK)
            ok(IsEqualGUID(&clsid, &CLSID_DSoundRender), "Got wrong CLSID\n");
        if (filter)
            IBaseFilter_Release(filter);
        if (filtergraph)
            IGraphBuilder_Release(filtergraph);
    }
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify a stream is created when no default renderer is used */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryAudio, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* verify the audio stream has been added to the media stream filter */
    if (media_stream_filter)
    {
        hr = IMediaStreamFilter_GetMediaStream(media_stream_filter, &MSPID_PrimaryAudio, &dummy_stream);
        ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
        ok(dummy_stream == audio_stream, "Got wrong returned pointer %p, expected %p\n", dummy_stream, audio_stream);
        if (SUCCEEDED(hr))
            IMediaStream_Release(dummy_stream);
    }

   /* Check interfaces and samples for audio */
    if (audio_stream)
    {
        IAMMediaStream* am_media_stream;
        IDirectDrawMediaStream* ddraw_stream = NULL;
        IAudioMediaStream* audio_media_stream = NULL;
        IAudioStreamSample *audio_sample = NULL;

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
        todo_wine ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
        todo_wine ok((void*)am_media_stream == (void*)audio_stream, "Not same interface, got %p expected %p\n", am_media_stream, video_stream);
        if (hr == S_OK)
            IAMMediaStream_Release(am_media_stream);

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IDirectDrawMediaStream, (LPVOID*)&ddraw_stream);
        ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IAudioMediaStream, (LPVOID*)&audio_media_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);

        if (SUCCEEDED(hr))
        {
            IAudioData* audio_data = NULL;
            WAVEFORMATEX format;

            hr = CoCreateInstance(&CLSID_AMAudioData, NULL, CLSCTX_INPROC_SERVER, &IID_IAudioData, (void **)&audio_data);
            ok(hr == S_OK, "CoCreateInstance returned: %x\n", hr);

            hr = IAudioMediaStream_GetFormat(audio_media_stream, NULL);
            ok(hr == E_POINTER, "IAudioMediaStream_GetFormat returned: %x\n", hr);
            hr = IAudioMediaStream_GetFormat(audio_media_stream, &format);
            ok(hr == MS_E_NOSTREAM, "IAudioMediaStream_GetFormat returned: %x\n", hr);

            hr = IAudioMediaStream_CreateSample(audio_media_stream, NULL, 0, &audio_sample);
            ok(hr == E_POINTER, "IAudioMediaStream_CreateSample returned: %x\n", hr);
            hr = IAudioMediaStream_CreateSample(audio_media_stream, audio_data, 0, &audio_sample);
            ok(hr == S_OK, "IAudioMediaStream_CreateSample returned: %x\n", hr);

            if (audio_data)
                IAudioData_Release(audio_data);
            if (audio_sample)
                IAudioStreamSample_Release(audio_sample);
            if (audio_media_stream)
                IAudioMediaStream_Release(audio_media_stream);
        }
    }

    if (media_stream_filter)
    {
        IEnumPins *enum_pins;

        hr = IMediaStreamFilter_EnumPins(media_stream_filter, &enum_pins);
        ok(hr == S_OK, "IBaseFilter_EnumPins returned: %x\n", hr);
        if (hr == S_OK)
        {
            IPin* pins[3] = { NULL, NULL, NULL };
            ULONG nb_pins;
            ULONG expected_nb_pins = audio_stream ? 2 : 1;
            int i;

            hr = IEnumPins_Next(enum_pins, 3, pins, &nb_pins);
            ok(SUCCEEDED(hr), "IEnumPins_Next returned: %x\n", hr);
            ok(nb_pins == expected_nb_pins, "Number of pins is %u instead of %u\n", nb_pins, expected_nb_pins);
            for (i = 0; i < min(nb_pins, expected_nb_pins); i++)
            {
                IEnumMediaTypes* enum_media_types;
                AM_MEDIA_TYPE* media_types[10];
                ULONG nb_media_types;
                IPin* pin;
                PIN_INFO info;
                WCHAR id[40];

                /* Pin name is "I{guid MSPID_PrimaryVideo or MSPID_PrimaryAudio}" */
                id[0] = 'I';
                StringFromGUID2(i ? &MSPID_PrimaryAudio : &MSPID_PrimaryVideo, id + 1, 40);

                hr = IPin_ConnectedTo(pins[i], &pin);
                ok(hr == VFW_E_NOT_CONNECTED, "IPin_ConnectedTo returned: %x\n", hr);
                hr = IPin_QueryPinInfo(pins[i], &info);
                ok(hr == S_OK, "IPin_QueryPinInfo returned: %x\n", hr);
                IBaseFilter_Release(info.pFilter);
                ok(info.dir == PINDIR_INPUT, "Pin direction is %u instead of %u\n", info.dir, PINDIR_INPUT);
                ok(!lstrcmpW(info.achName, id), "Pin name is %s instead of %s\n", wine_dbgstr_w(info.achName), wine_dbgstr_w(id));
                hr = IPin_EnumMediaTypes(pins[i], &enum_media_types);
                ok(hr == S_OK, "IPin_EnumMediaTypes returned: %x\n", hr);
                hr = IEnumMediaTypes_Next(enum_media_types, sizeof(media_types) / sizeof(AM_MEDIA_TYPE), media_types, &nb_media_types);
                ok(SUCCEEDED(hr), "IEnumMediaTypes_Next returned: %x\n", hr);
                ok(nb_media_types == 0, "nb_media_types should be 0 instead of %u\n", nb_media_types);
                IEnumMediaTypes_Release(enum_media_types);
                IPin_Release(pins[i]);
            }
            IEnumPins_Release(enum_pins);
        }
    }

    if (video_stream)
        IMediaStream_Release(video_stream);
    if (audio_stream)
        IMediaStream_Release(audio_stream);
    if (media_stream_filter)
        IMediaStreamFilter_Release(media_stream_filter);

    release_directdraw();
    release_ammultimediastream();
}
Пример #7
0
static void test_audiodata_set_format(void)
{
    IUnknown *unknown = create_audio_data();
    IAudioData *audio_data = NULL;
    WAVEFORMATPCMEX wave_format = {{0}};

    HRESULT result;

    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
    if (FAILED(result))
    {
        /* test_audiodata_query_interface handles this case */
        skip("No IAudioData\n");
        goto out_unknown;
    }

    result = IAudioData_SetFormat(audio_data, NULL);
    ok(E_POINTER == result, "got 0x%08x\n", result);

    wave_format.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
    wave_format.Format.nChannels = 2;
    wave_format.Format.nSamplesPerSec = 44100;
    wave_format.Format.nAvgBytesPerSec = 176400;
    wave_format.Format.nBlockAlign = 4;
    wave_format.Format.wBitsPerSample = 16;
    wave_format.Format.cbSize = 22;
    wave_format.Samples.wValidBitsPerSample = 16;
    wave_format.dwChannelMask = KSAUDIO_SPEAKER_STEREO;
    wave_format.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
    result = IAudioData_SetFormat(audio_data, &wave_format.Format);
    ok(E_INVALIDARG == result, "got 0x%08x\n", result);

    wave_format.Format.wFormatTag = WAVE_FORMAT_PCM;
    wave_format.Format.nChannels = 2;
    wave_format.Format.nSamplesPerSec = 44100;
    wave_format.Format.nAvgBytesPerSec = 176400;
    wave_format.Format.nBlockAlign = 4;
    wave_format.Format.wBitsPerSample = 16;
    wave_format.Format.cbSize = 0;
    result = IAudioData_SetFormat(audio_data, &wave_format.Format);
    ok(S_OK == result, "got 0x%08x\n", result);

    wave_format.Format.wFormatTag = 0xdead;
    wave_format.Format.nChannels = 0xdead;
    wave_format.Format.nSamplesPerSec = 0xdeadbeef;
    wave_format.Format.nAvgBytesPerSec = 0xdeadbeef;
    wave_format.Format.nBlockAlign = 0xdead;
    wave_format.Format.wBitsPerSample = 0xdead;
    wave_format.Format.cbSize = 0xdead;
    result = IAudioData_GetFormat(audio_data, &wave_format.Format);
    ok(S_OK == result, "got 0x%08x\n", result);
    ok(WAVE_FORMAT_PCM == wave_format.Format.wFormatTag, "got %u\n", wave_format.Format.wFormatTag);
    ok(2 == wave_format.Format.nChannels, "got %u\n", wave_format.Format.nChannels);
    ok(44100 == wave_format.Format.nSamplesPerSec, "got %u\n", wave_format.Format.nSamplesPerSec);
    ok(176400 == wave_format.Format.nAvgBytesPerSec, "got %u\n", wave_format.Format.nAvgBytesPerSec);
    ok(4 == wave_format.Format.nBlockAlign, "got %u\n", wave_format.Format.nBlockAlign);
    ok(16 == wave_format.Format.wBitsPerSample, "got %u\n", wave_format.Format.wBitsPerSample);
    ok(0 == wave_format.Format.cbSize, "got %u\n", wave_format.Format.cbSize);

    IAudioData_Release(audio_data);

out_unknown:
    IUnknown_Release(unknown);
}