C++ (Cpp) PDSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA示例

示例#1

文件： propset.c 项目： Barrell/wine

static
BOOL CALLBACK enum_callback(GUID *guid, const WCHAR *desc, const WCHAR *module,
        void *user)
{
    PDSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA ppd = user;
    DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA data;
    DWORD len;
    BOOL ret;

    TRACE("%s %s %s %p\n", wine_dbgstr_guid(guid), wine_dbgstr_w(desc),
            wine_dbgstr_w(module), user);

    if(!guid)
        return TRUE;

    data.DeviceId = *guid;

    len = lstrlenW(module) + 1;
    data.Module = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
    memcpy(data.Module, module, len * sizeof(WCHAR));

    len = lstrlenW(desc) + 1;
    data.Description = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
    memcpy(data.Description, desc, len * sizeof(WCHAR));

    data.Interface = wInterface;

    ret = ppd->Callback(&data, ppd->Context);

    HeapFree(GetProcessHeap(), 0, data.Module);
    HeapFree(GetProcessHeap(), 0, data.Description);

    return ret;
}

示例#2

文件： propset.c 项目： GYGit/reactos

static HRESULT DSPROPERTY_EnumerateW(
    LPVOID pPropData,
    ULONG cbPropData,
    PULONG pcbReturned )
{
    PDSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA ppd = pPropData;
    DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA data;
    BOOL ret;
    int widn, wodn, i;
    TRACE("(pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
          pPropData,cbPropData,pcbReturned);

    if (pcbReturned)
        *pcbReturned = 0;

    if (!ppd || !ppd->Callback)
    {
        WARN("Invalid ppd %p\n", ppd);
        return E_PROP_ID_UNSUPPORTED;
    }

    wodn = waveOutGetNumDevs();
    widn = waveInGetNumDevs();

    data.DeviceId = DSOUND_renderer_guids[0];
    for (i = 0; i < wodn; ++i)
    {
        HRESULT hr;
        data.DeviceId.Data4[7] = i;
        hr = DSPROPERTY_DescriptionW(&data, sizeof(data), NULL);
        if (FAILED(hr))
        {
            ERR("DescriptionW failed!\n");
            return S_OK;
        }
        ret = ppd->Callback(&data, ppd->Context);
        HeapFree(GetProcessHeap(), 0, data.Module);
        HeapFree(GetProcessHeap(), 0, data.Description);
        if (!ret)
            return S_OK;
    }

    data.DeviceId = DSOUND_capture_guids[0];
    for (i = 0; i < widn; ++i)
    {
        HRESULT hr;
        data.DeviceId.Data4[7] = i;
        hr = DSPROPERTY_DescriptionW(&data, sizeof(data), NULL);
        if (FAILED(hr))
        {
            ERR("DescriptionW failed!\n");
            return S_OK;
        }
        ret = ppd->Callback(&data, ppd->Context);
        HeapFree(GetProcessHeap(), 0, data.Module);
        HeapFree(GetProcessHeap(), 0, data.Description);
        if (!ret)
            return S_OK;
    }
    return S_OK;
}