Пример #1
0
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);
}
JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_jmfext_media_protocol_wasapi_WASAPI_IAudioClient_1GetBufferSize
    (JNIEnv *env, jclass clazz, jlong thiz)
{
    HRESULT hr;
    UINT32 numBufferFrames;

    hr
        = IAudioClient_GetBufferSize(
                (IAudioClient *) (intptr_t) thiz,
                &numBufferFrames);
    if (FAILED(hr))
    {
        numBufferFrames = 0;
        WASAPI_throwNewHResultException(env, hr, __func__, __LINE__);
    }
    return (jint) numBufferFrames;
}
Пример #3
0
HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
{
    HRESULT hres;
    REFERENCE_TIME period;
    UINT32 frames;
    DWORD period_ms;
    IAudioClient *client = NULL;
    IAudioRenderClient *render = NULL;
    IAudioStreamVolume *volume = NULL;
    DWORD fraglen;
    WAVEFORMATEX *wfx = NULL;
    DWORD oldspeakerconfig = device->speaker_config;

    TRACE("(%p, %d)\n", device, forcewave);

    hres = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient,
            CLSCTX_INPROC_SERVER, NULL, (void **)&client);
    if(FAILED(hres)){
        WARN("Activate failed: %08x\n", hres);
        return hres;
    }

    hres = DSOUND_WaveFormat(device, client, forcewave, &wfx);
    if (FAILED(hres)) {
        IAudioClient_Release(client);
        return hres;
    }

    hres = IAudioClient_Initialize(client,
            AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST |
            AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 800000, 0, wfx, NULL);
    if(FAILED(hres)){
        IAudioClient_Release(client);
        ERR("Initialize failed: %08x\n", hres);
        return hres;
    }

    IAudioClient_SetEventHandle(client, device->sleepev);

    hres = IAudioClient_GetService(client, &IID_IAudioRenderClient, (void**)&render);
    if(FAILED(hres))
        goto err_service;

    hres = IAudioClient_GetService(client, &IID_IAudioStreamVolume, (void**)&volume);
    if(FAILED(hres))
        goto err_service;

    /* Now kick off the timer so the event fires periodically */
    hres = IAudioClient_Start(client);
    if (FAILED(hres)) {
        WARN("Start failed with %08x\n", hres);
        goto err;
    }
    hres = IAudioClient_GetStreamLatency(client, &period);
    if (FAILED(hres)) {
        WARN("GetStreamLatency failed with %08x\n", hres);
        goto err;
    }
    hres = IAudioClient_GetBufferSize(client, &frames);
    if (FAILED(hres)) {
        WARN("GetBufferSize failed with %08x\n", hres);
        goto err;
    }

    period_ms = (period + 9999) / 10000;
    fraglen = MulDiv(wfx->nSamplesPerSec, period, 10000000) * wfx->nBlockAlign;
    TRACE("period %u ms fraglen %u buflen %u\n", period_ms, fraglen, frames * wfx->nBlockAlign);

    hres = DSOUND_PrimaryOpen(device, wfx, frames, forcewave);
    if(FAILED(hres))
        goto err;

    DSOUND_ReleaseDevice(device);
    device->client = client;
    device->render = render;
    device->volume = volume;
    device->fraglen = fraglen;
    device->aclen = frames * wfx->nBlockAlign;

    if (period_ms < 3)
        device->sleeptime = 5;
    else
        device->sleeptime = period_ms * 5 / 2;

    return S_OK;

err_service:
    WARN("GetService failed: %08x\n", hres);
err:
    device->speaker_config = oldspeakerconfig;
    DSOUND_ParseSpeakerConfig(device);
    if (volume)
        IAudioStreamVolume_Release(volume);
    if (render)
        IAudioRenderClient_Release(render);
    IAudioClient_Release(client);
    HeapFree(GetProcessHeap(), 0, wfx);
    return hres;
}
Пример #4
0
static HRESULT DoReset(ALCdevice *device)
{
    MMDevApiData *data = device->ExtraData;
    WAVEFORMATEXTENSIBLE OutputType;
    WAVEFORMATEX *wfx = NULL;
    REFERENCE_TIME min_per, buf_time;
    UINT32 buffer_len, min_len;
    HRESULT hr;

    hr = IAudioClient_GetMixFormat(data->client, &wfx);
    if(FAILED(hr))
    {
        ERR("Failed to get mix format: 0x%08lx\n", hr);
        return hr;
    }

    if(!MakeExtensible(&OutputType, wfx))
    {
        CoTaskMemFree(wfx);
        return E_FAIL;
    }
    CoTaskMemFree(wfx);
    wfx = NULL;

    buf_time = ((REFERENCE_TIME)device->UpdateSize*device->NumUpdates*10000000 +
                                device->Frequency-1) / device->Frequency;

    if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
        device->Frequency = OutputType.Format.nSamplesPerSec;
    if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
    {
        if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
            device->FmtChans = DevFmtMono;
        else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
            device->FmtChans = DevFmtStereo;
        else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
            device->FmtChans = DevFmtQuad;
        else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
            device->FmtChans = DevFmtX51;
        else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1SIDE)
            device->FmtChans = DevFmtX51Side;
        else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
            device->FmtChans = DevFmtX61;
        else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
            device->FmtChans = DevFmtX71;
        else
            ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
    }

    switch(device->FmtChans)
    {
        case DevFmtMono:
            OutputType.Format.nChannels = 1;
            OutputType.dwChannelMask = MONO;
            break;
        case DevFmtStereo:
            OutputType.Format.nChannels = 2;
            OutputType.dwChannelMask = STEREO;
            break;
        case DevFmtQuad:
            OutputType.Format.nChannels = 4;
            OutputType.dwChannelMask = QUAD;
            break;
        case DevFmtX51:
            OutputType.Format.nChannels = 6;
            OutputType.dwChannelMask = X5DOT1;
            break;
        case DevFmtX51Side:
            OutputType.Format.nChannels = 6;
            OutputType.dwChannelMask = X5DOT1SIDE;
            break;
        case DevFmtX61:
            OutputType.Format.nChannels = 7;
            OutputType.dwChannelMask = X6DOT1;
            break;
        case DevFmtX71:
            OutputType.Format.nChannels = 8;
            OutputType.dwChannelMask = X7DOT1;
            break;
    }
    switch(device->FmtType)
    {
        case DevFmtByte:
            device->FmtType = DevFmtUByte;
            /* fall-through */
        case DevFmtUByte:
            OutputType.Format.wBitsPerSample = 8;
            OutputType.Samples.wValidBitsPerSample = 8;
            OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
            break;
        case DevFmtUShort:
            device->FmtType = DevFmtShort;
            /* fall-through */
        case DevFmtShort:
            OutputType.Format.wBitsPerSample = 16;
            OutputType.Samples.wValidBitsPerSample = 16;
            OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
            break;
        case DevFmtUInt:
            device->FmtType = DevFmtInt;
            /* fall-through */
        case DevFmtInt:
            OutputType.Format.wBitsPerSample = 32;
            OutputType.Samples.wValidBitsPerSample = 32;
            OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
            break;
        case DevFmtFloat:
            OutputType.Format.wBitsPerSample = 32;
            OutputType.Samples.wValidBitsPerSample = 32;
            OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
            break;
    }
    OutputType.Format.nSamplesPerSec = device->Frequency;

    OutputType.Format.nBlockAlign = OutputType.Format.nChannels *
                                    OutputType.Format.wBitsPerSample / 8;
    OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec *
                                        OutputType.Format.nBlockAlign;

    hr = IAudioClient_IsFormatSupported(data->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx);
    if(FAILED(hr))
    {
        ERR("Failed to check format support: 0x%08lx\n", hr);
        hr = IAudioClient_GetMixFormat(data->client, &wfx);
    }
    if(FAILED(hr))
    {
        ERR("Failed to find a supported format: 0x%08lx\n", hr);
        return hr;
    }

    if(wfx != NULL)
    {
        if(!MakeExtensible(&OutputType, wfx))
        {
            CoTaskMemFree(wfx);
            return E_FAIL;
        }
        CoTaskMemFree(wfx);
        wfx = NULL;

        device->Frequency = OutputType.Format.nSamplesPerSec;
        if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
            device->FmtChans = DevFmtMono;
        else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
            device->FmtChans = DevFmtStereo;
        else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
            device->FmtChans = DevFmtQuad;
        else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
            device->FmtChans = DevFmtX51;
        else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1SIDE)
            device->FmtChans = DevFmtX51Side;
        else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
            device->FmtChans = DevFmtX61;
        else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
            device->FmtChans = DevFmtX71;
        else
        {
            ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
            device->FmtChans = DevFmtStereo;
            OutputType.Format.nChannels = 2;
            OutputType.dwChannelMask = STEREO;
        }

        if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
        {
            if(OutputType.Format.wBitsPerSample == 8)
                device->FmtType = DevFmtUByte;
            else if(OutputType.Format.wBitsPerSample == 16)
                device->FmtType = DevFmtShort;
            else if(OutputType.Format.wBitsPerSample == 32)
                device->FmtType = DevFmtInt;
            else
            {
                device->FmtType = DevFmtShort;
                OutputType.Format.wBitsPerSample = 16;
            }
        }
        else if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
        {
            device->FmtType = DevFmtFloat;
            OutputType.Format.wBitsPerSample = 32;
        }
        else
        {
            ERR("Unhandled format sub-type\n");
            device->FmtType = DevFmtShort;
            OutputType.Format.wBitsPerSample = 16;
            OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
        }
        OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
    }

    SetDefaultWFXChannelOrder(device);

    hr = IAudioClient_Initialize(data->client, AUDCLNT_SHAREMODE_SHARED,
                                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
                                 buf_time, 0, &OutputType.Format, NULL);
    if(FAILED(hr))
    {
        ERR("Failed to initialize audio client: 0x%08lx\n", hr);
        return hr;
    }

    hr = IAudioClient_GetDevicePeriod(data->client, &min_per, NULL);
    if(SUCCEEDED(hr))
    {
        min_len = (UINT32)((min_per*device->Frequency + 10000000-1) / 10000000);
        /* Find the nearest multiple of the period size to the update size */
        if(min_len < device->UpdateSize)
            min_len *= (device->UpdateSize + min_len/2)/min_len;
        hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
    }
    if(FAILED(hr))
    {
        ERR("Failed to get audio buffer info: 0x%08lx\n", hr);
        return hr;
    }

    device->UpdateSize = min_len;
    device->NumUpdates = buffer_len / device->UpdateSize;
    if(device->NumUpdates <= 1)
    {
        ERR("Audio client returned buffer_len < period*2; expect break up\n");
        device->NumUpdates = 2;
        device->UpdateSize = buffer_len / device->NumUpdates;
    }

    return hr;
}
Пример #5
0
static ALuint MMDevApiProc(ALvoid *ptr)
{
    ALCdevice *device = ptr;
    MMDevApiData *data = device->ExtraData;
    UINT32 buffer_len, written;
    ALuint update_size, len;
    BYTE *buffer;
    HRESULT hr;

    hr = CoInitialize(NULL);
    if(FAILED(hr))
    {
        ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr);
        aluHandleDisconnect(device);
        return 0;
    }

    hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
    if(FAILED(hr))
    {
        ERR("Failed to get audio buffer size: 0x%08lx\n", hr);
        aluHandleDisconnect(device);
        CoUninitialize();
        return 0;
    }

    SetRTPriority();

    update_size = device->UpdateSize;
    while(!data->killNow)
    {
        hr = IAudioClient_GetCurrentPadding(data->client, &written);
        if(FAILED(hr))
        {
            ERR("Failed to get padding: 0x%08lx\n", hr);
            aluHandleDisconnect(device);
            break;
        }

        len = buffer_len - written;
        if(len < update_size)
        {
            DWORD res;
            res = WaitForSingleObjectEx(data->NotifyEvent, 2000, FALSE);
            if(res != WAIT_OBJECT_0)
                ERR("WaitForSingleObjectEx error: 0x%lx\n", res);
            continue;
        }
        len -= len%update_size;

        hr = IAudioRenderClient_GetBuffer(data->render, len, &buffer);
        if(SUCCEEDED(hr))
        {
            aluMixData(device, buffer, len);
            hr = IAudioRenderClient_ReleaseBuffer(data->render, len, 0);
        }
        if(FAILED(hr))
        {
            ERR("Failed to buffer data: 0x%08lx\n", hr);
            aluHandleDisconnect(device);
            break;
        }
    }

    CoUninitialize();
    return 0;
}
Пример #6
0
static void test_capture(IAudioClient *ac, HANDLE handle, WAVEFORMATEX *wfx)
{
    IAudioCaptureClient *acc;
    HRESULT hr;
    UINT32 frames, next, pad, sum = 0;
    BYTE *data;
    DWORD flags;
    UINT64 pos, qpc;
    REFERENCE_TIME period;

    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;

    frames = 0xabadcafe;
    data = (void*)0xdeadf00d;
    flags = 0xabadcafe;
    pos = qpc = 0xdeadbeef;
    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == AUDCLNT_S_BUFFER_EMPTY, "Initial IAudioCaptureClient_GetBuffer returns %08x\n", hr);

    /* should be empty right after start. Otherwise consume one packet */
    if(hr == S_OK){
        hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
        ok(hr == S_OK, "Releasing buffer returns %08x\n", hr);
        sum += frames;

        frames = 0xabadcafe;
        data = (void*)0xdeadf00d;
        flags = 0xabadcafe;
        pos = qpc = 0xdeadbeef;
        hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
        ok(hr == AUDCLNT_S_BUFFER_EMPTY, "Initial IAudioCaptureClient_GetBuffer returns %08x\n", hr);
    }

    if(hr == AUDCLNT_S_BUFFER_EMPTY){
        ok(!frames, "frames changed to %u\n", frames);
        ok(data == (void*)0xdeadf00d, "data changed to %p\n", data);
        ok(flags == 0xabadcafe, "flags changed to %x\n", flags);
        ok(pos == 0xdeadbeef, "position changed to %u\n", (UINT)pos);
        ok(qpc == 0xdeadbeef, "timer changed to %u\n", (UINT)qpc);

        /* GetNextPacketSize yields 0 if no data is yet available
         * it is not constantly period_size * SamplesPerSec */
        hr = IAudioCaptureClient_GetNextPacketSize(acc, &next);
        ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);
        ok(!next, "GetNextPacketSize %u\n", next);
    }

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

    ok(ResetEvent(handle), "ResetEvent\n");

    hr = IAudioCaptureClient_GetNextPacketSize(acc, &next);
    ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);
    ok(next == pad, "GetNextPacketSize %u vs. GCP %u\n", next, pad);
    /* later GCP will grow, while GNPS is 0 or period size */

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

    data = (void*)0xdeadf00d;
    frames = 0xdeadbeef;
    flags = 0xabadcafe;
    hr = IAudioCaptureClient_GetBuffer(acc, &data, NULL, NULL, NULL, NULL);
    ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(data, NULL, NULL) returns %08x\n", hr);

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

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

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, NULL, NULL, NULL);
    ok(hr == E_POINTER, "IAudioCaptureClient_GetBuffer(&ata, &frames, NULL) returns %08x\n", hr);
    ok((DWORD_PTR)data == 0xdeadf00d, "data is reset to %p\n", data);
    ok(frames == 0xdeadbeef, "frames is reset to %08x\n", frames);
    ok(flags == 0xabadcafe, "flags is reset to %08x\n", flags);

    hr = IAudioClient_GetDevicePeriod(ac, &period, NULL);
    ok(hr == S_OK, "GetDevicePeriod failed: %08x\n", hr);
    period = MulDiv(period, wfx->nSamplesPerSec, 10000000); /* as in render.c */

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

    data = (void*)0xdeadf00d;
    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    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");
        /* broken: some w7 machines return pad == 0 and DATA_DISCONTINUITY here,
         * AUDCLNT_S_BUFFER_EMPTY above, yet pos == 1-2 * period rather than 0 */
        ok(pos == sum || broken(pos == period || pos == 2*period),
           "Position %u expected %u\n", (UINT)pos, sum);
        sum = pos;
    }else if (hr == AUDCLNT_S_BUFFER_EMPTY){
        ok(!frames, "Amount of frames locked with empty buffer is %u!\n", frames);
        ok(data == (void*)0xdeadf00d, "No data changed to %p\n", data);
    }

    trace("Wait'ed position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    hr = IAudioCaptureClient_GetNextPacketSize(acc, &next);
    ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);
    ok(next == frames, "GetNextPacketSize %u vs. GetBuffer %u\n", next, frames);

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

    hr = IAudioCaptureClient_ReleaseBuffer(acc, 0);
    ok(hr == S_OK, "Releasing 0 returns %08x\n", hr);

    hr = IAudioCaptureClient_GetNextPacketSize(acc, &next);
    ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize 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);
        sum += frames;
    }

    Sleep(350); /* for sure there's data now */

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    /** GetNextPacketSize
     * returns either 0 or one period worth of frames
     * whereas GetCurrentPadding grows when input is not consumed. */
    hr = IAudioCaptureClient_GetNextPacketSize(acc, &next);
    ok(hr == S_OK, "IAudioCaptureClient_GetNextPacketSize returns %08x\n", hr);
    ok(next <  pad, "GetNextPacketSize %u vs. GCP %u\n", next, pad);

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);
    ok(next == frames, "GetNextPacketSize %u vs. GetBuffer %u\n", next, frames);

    if(hr == S_OK){
        UINT32 frames2 = frames;
        UINT64 pos2, qpc2;
        ok(frames, "Amount of frames locked is 0!\n");
        ok(pos == sum, "Position %u expected %u\n", (UINT)pos, sum);

        hr = IAudioCaptureClient_ReleaseBuffer(acc, 0);
        ok(hr == S_OK, "Releasing 0 returns %08x\n", hr);

        /* GCP did not decrement, no data consumed */
        hr = IAudioClient_GetCurrentPadding(ac, &frames);
        ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);
        ok(frames == pad || frames == pad + next /* concurrent feeder */,
           "GCP %u past ReleaseBuffer(0) initially %u\n", frames, pad);

        /* should re-get the same data */
        hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos2, &qpc2);
        ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);
        ok(frames2 == frames, "GetBuffer after ReleaseBuffer(0) %u/%u\n", frames2, frames);
        ok(pos2 == pos, "Position after ReleaseBuffer(0) %u/%u\n", (UINT)pos2, (UINT)pos);
        todo_wine ok(qpc2 == qpc, "HPC after ReleaseBuffer(0) %u vs. %u\n", (UINT)qpc2, (UINT)qpc);
    }

    /* trace after the GCP test because log output to MS-DOS console disturbs timing */
    trace("Sleep.1 position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    if(hr == S_OK){
        UINT32 frames2 = 0xabadcafe;
        BYTE *data2 = (void*)0xdeadf00d;
        flags = 0xabadcafe;

        ok(pos == sum, "Position %u expected %u\n", (UINT)pos, sum);

        pos = qpc = 0xdeadbeef;
        hr = IAudioCaptureClient_GetBuffer(acc, &data2, &frames2, &flags, &pos, &qpc);
        ok(hr == AUDCLNT_E_OUT_OF_ORDER, "Out of order IAudioCaptureClient_GetBuffer returns %08x\n", hr);
        ok(frames2 == 0xabadcafe, "Out of order frames changed to %x\n", frames2);
        ok(data2 == (void*)0xdeadf00d, "Out of order data changed to %p\n", data2);
        ok(flags == 0xabadcafe, "Out of order flags changed to %x\n", flags);
        ok(pos == 0xdeadbeef, "Out of order position changed to %x\n", (UINT)pos);
        ok(qpc == 0xdeadbeef, "Out of order timer changed to %x\n", (UINT)qpc);

        hr = IAudioCaptureClient_ReleaseBuffer(acc, frames+1);
        ok(hr == AUDCLNT_E_INVALID_SIZE, "Releasing buffer+1 returns %08x\n", hr);

        hr = IAudioCaptureClient_ReleaseBuffer(acc, 1);
        ok(hr == AUDCLNT_E_INVALID_SIZE, "Releasing 1 returns %08x\n", hr);

        hr = IAudioClient_Reset(ac);
        ok(hr == AUDCLNT_E_NOT_STOPPED, "Reset failed: %08x\n", hr);
    }

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

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

    frames = period;
    ok(next == frames, "GetNextPacketSize %u vs. GetDevicePeriod %u\n", next, frames);

    /* GetBufferSize is not a multiple of the period size! */
    hr = IAudioClient_GetBufferSize(ac, &next);
    ok(hr == S_OK, "GetBufferSize failed: %08x\n", hr);
    trace("GetBufferSize %u period size %u\n", next, frames);

    Sleep(400); /* overrun */

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);

    trace("Overrun position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    if(hr == S_OK){
        /* The discontinuity is reported here, but is this an old or new packet? */
        todo_wine ok(flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY, "expect DISCONTINUITY %x\n", flags);
        ok(pad == next, "GCP %u vs. BufferSize %u\n", (UINT32)pad, next);

        /* Native's position is one period further than what we read.
         * Perhaps that's precisely the meaning of DATA_DISCONTINUITY:
         * signal when the position jump left a gap. */
        todo_wine ok(pos == sum + frames, "Position %u gap %d\n",
                     (UINT)pos, (UINT)pos - sum);
        if(flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY)
            sum = pos;
    }

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

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);

    trace("Cont'ed position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    if(hr == S_OK){
        ok(pos == sum, "Position %u expected %u\n", (UINT)pos, sum);
        ok(!flags, "flags %u\n", flags);

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

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

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

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    trace("Restart position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);
    ok(pad > sum, "restarted GCP %u\n", pad); /* GCP is still near buffer size */

    if(frames){
        ok(pos == sum, "Position %u expected %u\n", (UINT)pos, sum);
        ok(!flags, "flags %u\n", flags);

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

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

    hr = IAudioClient_Reset(ac);
    ok(hr == S_OK, "Reset on a stopped stream returns %08x\n", hr);
    sum += pad - frames;

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

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    flags = 0xabadcafe;
    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == AUDCLNT_S_BUFFER_EMPTY || /*PulseAudio*/hr == S_OK,
       "Initial IAudioCaptureClient_GetBuffer returns %08x\n", hr);

    trace("Reset   position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    if(hr == S_OK){
        /* Only PulseAudio goes here; despite snd_pcm_drop it manages
         * to fill GetBufferSize with a single snd_pcm_read */
        trace("Test marked todo: only PulseAudio gets here\n");
        todo_wine ok(flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY, "expect DISCONTINUITY %x\n", flags);
        /* Reset zeroes padding, not the position */
        ok(pos >= sum, "Position %u last %u\n", (UINT)pos, sum);
        /*sum = pos; check after next GetBuffer */

        hr = IAudioCaptureClient_ReleaseBuffer(acc, frames);
        ok(hr == S_OK, "Releasing buffer returns %08x\n", hr);
        sum += frames;
    }
    else if(hr == AUDCLNT_S_BUFFER_EMPTY){
        ok(!pad, "resetted GCP %u\n", pad);
        Sleep(180);
    }

    hr = IAudioClient_GetCurrentPadding(ac, &pad);
    ok(hr == S_OK, "GetCurrentPadding call returns %08x\n", hr);

    hr = IAudioCaptureClient_GetBuffer(acc, &data, &frames, &flags, &pos, &qpc);
    ok(hr == S_OK, "Valid IAudioCaptureClient_GetBuffer returns %08x\n", hr);
    trace("Running position %d pad %u flags %x, amount of frames locked: %u\n",
          hr==S_OK ? (UINT)pos : -1, pad, flags, frames);

    if(hr == S_OK){
        /* Some w7 machines signal DATA_DISCONTINUITY here following the
         * previous AUDCLNT_S_BUFFER_EMPTY, others not.  What logic? */
        ok(pos >= sum, "Position %u gap %d\n", (UINT)pos, (UINT)pos - sum);
        IAudioCaptureClient_ReleaseBuffer(acc, frames);
    }

    IAudioCaptureClient_Release(acc);
}