116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2019, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <initguid.h>
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#include <devpkey.h>
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#include <functiondiscoverykeys_devpkey.h>
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#include <mmdeviceapi.h>
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#include <QList>
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#include <QVariant>
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#include <QString>
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#include "mmdevicefinder.h"
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#include "core/logging.h"
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MMDeviceFinder::MMDeviceFinder() : DeviceFinder("mmdevice", { "wasapisink" }) {}
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QList<DeviceFinder::Device> MMDeviceFinder::ListDevices() {
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HRESULT hr = S_OK;
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IMMDeviceEnumerator *enumerator = nullptr;
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hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&enumerator);
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if (FAILED(hr)) {
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return QList<Device>();
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}
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IMMDeviceCollection *collection = nullptr;
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hr = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &collection);
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if (FAILED(hr)) {
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enumerator->Release();
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return QList<Device>();
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}
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UINT count;
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hr = collection->GetCount(&count);
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if (FAILED(hr)) {
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collection->Release();
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enumerator->Release();
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return QList<Device>();
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}
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QList<Device> devices;
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Device default_device;
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default_device.description = "Default device";
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default_device.iconname = GuessIconName(default_device.description);
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devices.append(default_device);
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for (ULONG i = 0 ; i < count ; i++) {
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IMMDevice *endpoint = nullptr;
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hr = collection->Item(i, &endpoint);
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if (FAILED(hr)) { return devices; }
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LPWSTR pwszid = nullptr;
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hr = endpoint->GetId(&pwszid);
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if (FAILED(hr)) {
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endpoint->Release();
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continue;
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}
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IPropertyStore *props = nullptr;
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hr = endpoint->OpenPropertyStore(STGM_READ, &props);
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if (FAILED(hr)) {
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CoTaskMemFree(pwszid);
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endpoint->Release();
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continue;
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}
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PROPVARIANT var_name;
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PropVariantInit(&var_name);
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hr = props->GetValue(PKEY_Device_FriendlyName, &var_name);
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if (FAILED(hr)) {
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props->Release();
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CoTaskMemFree(pwszid);
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endpoint->Release();
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continue;
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}
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Device device;
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device.description = QString::fromWCharArray(var_name.pwszVal);
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device.iconname = GuessIconName(device.description);
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device.value = QString::fromStdWString(pwszid);
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devices.append(device);
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PropVariantClear(&var_name);
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props->Release();
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CoTaskMemFree(pwszid);
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endpoint->Release();
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}
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collection->Release();
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enumerator->Release();
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return devices;
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}
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