From 4abfc3230c456053eaf03bd47897612be9066e8e Mon Sep 17 00:00:00 2001
From: trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38>
Date: Tue, 5 Sep 2017 17:53:43 +0000
Subject: wasapi: added feature to change device

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@7450 90c681e8-e032-0410-971d-27865f9a5e38
---
 src/plugins/Output/wasapi/settingsdialog.cpp | 165 +++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 src/plugins/Output/wasapi/settingsdialog.cpp

(limited to 'src/plugins/Output/wasapi/settingsdialog.cpp')

diff --git a/src/plugins/Output/wasapi/settingsdialog.cpp b/src/plugins/Output/wasapi/settingsdialog.cpp
new file mode 100644
index 000000000..f0e26afec
--- /dev/null
+++ b/src/plugins/Output/wasapi/settingsdialog.cpp
@@ -0,0 +1,165 @@
+/***************************************************************************
+ *   Copyright (C) 2017 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <QSettings>
+#include <initguid.h>
+#include <audioclient.h>
+#include <endpointvolume.h>
+#include <mmdeviceapi.h>
+#include <mmreg.h>
+#include <functiondiscoverykeys_devpkey.h>
+#include <qmmp/qmmp.h>
+#include "settingsdialog.h"
+
+SettingsDialog::SettingsDialog(QWidget *parent) :
+    QDialog(parent)
+{
+    m_ui.setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    enumDevices();
+
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    QString id = settings.value("WASAPI/device", "default").toString();
+    int index = m_ui.deviceComboBox->findData(id);
+    m_ui.deviceComboBox->setCurrentIndex(qMax(index, 0));
+}
+
+void SettingsDialog::accept()
+{
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    int index = m_ui.deviceComboBox->currentIndex();
+    settings.setValue("WASAPI/device", m_ui.deviceComboBox->itemData(index).toString());
+    QDialog::accept();
+}
+
+void SettingsDialog::enumDevices()
+{
+    m_ui.deviceComboBox->clear();
+    m_ui.deviceComboBox->addItem(tr("Default"), "default");
+
+    IMMDeviceEnumerator *pEnumerator = 0;
+    HRESULT result = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&pEnumerator);
+    if(result != S_OK)
+    {
+        qWarning("SettingsDialog: CoCreateInstance failed, error code = 0x%lx", result);
+        pEnumerator = 0;
+    }
+
+    IMMDeviceCollection *pEndpoints = 0;
+    IMMDevice *pEndpoint = 0;
+    LPWSTR pwszID = 0;
+    IPropertyStore *pProps = 0;
+    UINT count = 0;
+
+    result = pEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &pEndpoints);
+    if(result != S_OK)
+    {
+        qWarning("SettingsDialog: IMMDeviceEnumerator::EnumAudioEndpoints failed, error code = 0x%lx", result);
+        pEndpoints = 0;
+    }
+
+    if(pEndpoints)
+    {
+        pEndpoints->GetCount(&count);
+        if(result != S_OK)
+        {
+            qWarning("SettingsDialog: IMMDeviceCollection::GetCount failed, error code = 0x%lx", result);
+            count = 0;
+        }
+
+        for(UINT i = 0; i < count; ++i)
+        {
+            result = pEndpoints->Item(i, &pEndpoint);
+            if(result != S_OK)
+            {
+                qWarning("SettingsDialog: IMMDeviceCollection::Item failed, error code = 0x%lx", result);
+                pEndpoint = 0;
+                break;
+            }
+
+            result = pEndpoint->GetId(&pwszID);
+            if(result != S_OK)
+            {
+                qWarning("SettingsDialog: IMMDevice::GetId failed, error code = 0x%lx", result);
+                pwszID = 0;
+                break;
+            }
+
+            result = pEndpoint->OpenPropertyStore(STGM_READ, &pProps);
+            if(result != S_OK)
+            {
+                qWarning("SettingsDialog: IMMDevice::GetId failed, error code = 0x%lx", result);
+                pProps = 0;
+                break;
+            }
+
+            PROPVARIANT varName;
+            PropVariantInit(&varName);  // Initialize container for property value.
+            result = pProps->GetValue(PKEY_Device_FriendlyName, &varName);  // Get the endpoint's friendly-name property.
+            if(result != S_OK)
+            {
+                qWarning("SettingsDialog: IMMDevice::GetId failed, error code = 0x%lx", result);
+                PropVariantClear(&varName);
+                break;
+            }
+
+            m_ui.deviceComboBox->addItem(QString::fromWCharArray(varName.pwszVal), QString::fromWCharArray(pwszID));
+
+            CoTaskMemFree(pwszID);
+            pwszID = 0;
+            PropVariantClear(&varName);
+            pProps->Release();
+            pProps = 0;
+            pEndpoint->Release();
+            pEndpoint = 0;
+        }
+    }
+
+    if(pProps)
+    {
+        pProps->Release();
+        pProps = 0;
+    }
+
+    if(pwszID)
+    {
+        CoTaskMemFree(pwszID);
+        pwszID = 0;
+    }
+
+    if(pEndpoint)
+    {
+        pEndpoint->Release();
+        pEndpoint = 0;
+    }
+
+    if(pEndpoints)
+    {
+        pEndpoints->Release();
+        pEndpoints = 0;
+    }
+
+    if(pEnumerator)
+    {
+       pEnumerator->Release();
+       pEnumerator = 0;
+    }
+}
-- 
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