strawberry-audio-player-win.../src/engine/uwpdevicefinder.cpp

151 lines
3.8 KiB
C++

/*
* Strawberry Music Player
* Copyright 2023, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <utility>
#include <functional>
#include <string>
#include <locale>
#include <codecvt>
#include <QString>
#include <wrl.h>
#include <windows.foundation.h>
#include <windows.media.audio.h>
#include "AsyncOperations.h"
#include "uwpdevicefinder.h"
#include "enginedevice.h"
#include "core/logging.h"
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::Foundation::Collections;
using namespace ABI::Windows::Devices::Enumeration;
UWPDeviceFinder::UWPDeviceFinder() : DeviceFinder("uwpdevice", { "wasapi2sink" }) {}
namespace {
static std::string wstring_to_stdstring(const std::wstring &wstr) {
std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
return converter.to_bytes(wstr.c_str());
}
static std::string hstring_to_stdstring(HString *hstr) {
if (!hstr) {
return std::string();
}
const wchar_t *raw_hstr = hstr->GetRawBuffer(nullptr);
if (!raw_hstr) {
return std::string();
}
return wstring_to_stdstring(std::wstring(raw_hstr));
}
} // namespace
EngineDeviceList UWPDeviceFinder::ListDevices() {
ComPtr<IDeviceInformationStatics> device_info_statics;
HRESULT hr = ABI::Windows::Foundation::GetActivationFactory(HStringReference(RuntimeClass_Windows_Devices_Enumeration_DeviceInformation).Get(), &device_info_statics);
if (FAILED(hr)) {
return EngineDeviceList();
}
ComPtr<IAsyncOperation<DeviceInformationCollection*>> async_op;
hr = device_info_statics->FindAllAsyncDeviceClass(DeviceClass::DeviceClass_AudioRender, &async_op);
device_info_statics.Reset();
if (FAILED(hr)) {
return EngineDeviceList();
}
hr = SyncWait<DeviceInformationCollection*>(async_op.Get());
if (FAILED(hr)) {
return EngineDeviceList();
}
ComPtr<IVectorView<DeviceInformation*>> device_list;
hr = async_op->GetResults(&device_list);
async_op.Reset();
if (FAILED(hr)) {
return EngineDeviceList();
}
unsigned int count = 0;
hr = device_list->get_Size(&count);
if (FAILED(hr)) {
return EngineDeviceList();
}
EngineDeviceList devices;
{
EngineDevice default_device;
default_device.description = "Default device";
default_device.iconname = default_device.GuessIconName();
devices.append(default_device);
}
for (unsigned int i = 0; i < count; i++) {
ComPtr<IDeviceInformation> device_info;
hr = device_list->GetAt(i, &device_info);
if (FAILED(hr)) {
continue;
}
boolean enabled;
hr = device_info->get_IsEnabled(&enabled);
if (FAILED(hr) || !enabled) {
continue;
}
HString id;
hr = device_info->get_Id(id.GetAddressOf());
if (FAILED(hr) || !id.IsValid()) {
continue;
}
HString name;
hr = device_info->get_Name(name.GetAddressOf());
if (FAILED(hr) || !name.IsValid()) {
continue;
}
EngineDevice device;
device.value = QString::fromStdString(hstring_to_stdstring(&id));
device.description = QString::fromStdString(hstring_to_stdstring(&name));
device.iconname = device.GuessIconName();
devices.append(device);
}
return devices;
}