Multiple audio support: AM modulator

plugins/channeltx/modam/CMakeLists.txt

@@ -1,5 +1,7 @@
 project(modam)
 
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
 set(modam_SOURCES
 	ammod.cpp
 	ammodgui.cpp

plugins/channeltx/modam/ammod.cpp

@@ -65,11 +65,12 @@ AMMod::AMMod(DeviceSinkAPI *deviceAPI) :
 
 	m_magsq = 0.0;
 
-	m_toneNco.setFreq(1000.0, m_settings.m_audioSampleRate);
 	DSPEngine::instance()->getAudioDeviceManager()->addAudioSource(&m_audioFifo, getInputMessageQueue());
+	m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getInputSampleRate();
+	m_toneNco.setFreq(1000.0, m_audioSampleRate);
 
 	// CW keyer
-	m_cwKeyer.setSampleRate(m_settings.m_audioSampleRate);
+	m_cwKeyer.setSampleRate(m_audioSampleRate);
 	m_cwKeyer.setWPM(13);
 	m_cwKeyer.setMode(CWKeyerSettings::CWNone);
 
@@ -139,7 +140,7 @@ void AMMod::pull(Sample& sample)
 void AMMod::pullAudio(int nbSamples)
 {
 //    qDebug("AMMod::pullAudio: %d", nbSamples);
-    unsigned int nbAudioSamples = nbSamples * ((Real) m_settings.m_audioSampleRate / (Real) m_basebandSampleRate);
+    unsigned int nbAudioSamples = nbSamples * ((Real) m_audioSampleRate / (Real) m_basebandSampleRate);
 
     if (nbAudioSamples > m_audioBuffer.size())
     {
@@ -335,6 +336,20 @@ bool AMMod::handleMessage(const Message& cmd)
 
         return true;
     }
+    else if (DSPConfigureAudio::match(cmd))
+    {
+        DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
+        uint32_t sampleRate = cfg.getSampleRate();
+
+        qDebug() << "AMMod::handleMessage: DSPConfigureAudio:"
+                << " sampleRate: " << sampleRate;
+
+        if (sampleRate != m_audioSampleRate) {
+            applyAudioSampleRate(sampleRate);
+        }
+
+        return true;
+    }
     else if (DSPSignalNotification::match(cmd))
     {
         return true;
@@ -380,6 +395,28 @@ void AMMod::seekFileStream(int seekPercentage)
     }
 }
 
+void AMMod::applyAudioSampleRate(int sampleRate)
+{
+    qDebug("AMMod::applyAudioSampleRate: %d", sampleRate);
+
+    MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
+            sampleRate, m_settings.m_inputFrequencyOffset);
+    m_inputMessageQueue.push(channelConfigMsg);
+
+    m_settingsMutex.lock();
+
+    m_interpolatorDistanceRemain = 0;
+    m_interpolatorConsumed = false;
+    m_interpolatorDistance = (Real) sampleRate / (Real) m_outputSampleRate;
+    m_interpolator.create(48, sampleRate, m_settings.m_rfBandwidth / 2.2, 3.0);
+    m_toneNco.setFreq(m_settings.m_toneFrequency, sampleRate);
+    m_cwKeyer.setSampleRate(sampleRate);
+
+    m_settingsMutex.unlock();
+
+    m_audioSampleRate = sampleRate;
+}
+
 void AMMod::applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force)
 {
     qDebug() << "AMMod::applyChannelSettings:"
@@ -400,8 +437,8 @@ void AMMod::applyChannelSettings(int basebandSampleRate, int outputSampleRate, i
         m_settingsMutex.lock();
         m_interpolatorDistanceRemain = 0;
         m_interpolatorConsumed = false;
-        m_interpolatorDistance = (Real) m_settings.m_audioSampleRate / (Real) outputSampleRate;
-        m_interpolator.create(48, m_settings.m_audioSampleRate, m_settings.m_rfBandwidth / 2.2, 3.0);
+        m_interpolatorDistance = (Real) m_audioSampleRate / (Real) outputSampleRate;
+        m_interpolator.create(48, m_audioSampleRate, m_settings.m_rfBandwidth / 2.2, 3.0);
         m_settingsMutex.unlock();
     }
 
@@ -419,30 +456,37 @@ void AMMod::applySettings(const AMModSettings& settings, bool force)
             << " m_toneFrequency: " << settings.m_toneFrequency
             << " m_volumeFactor: " << settings.m_volumeFactor
             << " m_audioMute: " << settings.m_channelMute
-            << " m_playLoop: " << settings.m_playLoop;
+            << " m_playLoop: " << settings.m_playLoop
+            << " m_audioDeviceName: " << settings.m_audioDeviceName
+            << " force: " << force;
 
-    if((settings.m_rfBandwidth != m_settings.m_rfBandwidth) ||
-       (settings.m_audioSampleRate != m_settings.m_audioSampleRate) || force)
+    if((settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force)
     {
         m_settingsMutex.lock();
         m_interpolatorDistanceRemain = 0;
         m_interpolatorConsumed = false;
-        m_interpolatorDistance = (Real) settings.m_audioSampleRate / (Real) m_outputSampleRate;
-        m_interpolator.create(48, settings.m_audioSampleRate, settings.m_rfBandwidth / 2.2, 3.0);
+        m_interpolatorDistance = (Real) m_audioSampleRate / (Real) m_outputSampleRate;
+        m_interpolator.create(48, m_audioSampleRate, settings.m_rfBandwidth / 2.2, 3.0);
         m_settingsMutex.unlock();
     }
 
-    if ((settings.m_toneFrequency != m_settings.m_toneFrequency) ||
-        (settings.m_audioSampleRate != m_settings.m_audioSampleRate) || force)
+    if ((settings.m_toneFrequency != m_settings.m_toneFrequency) || force)
     {
         m_settingsMutex.lock();
-        m_toneNco.setFreq(settings.m_toneFrequency, settings.m_audioSampleRate);
+        m_toneNco.setFreq(settings.m_toneFrequency, m_audioSampleRate);
         m_settingsMutex.unlock();
     }
 
-    if ((settings.m_audioSampleRate != m_settings.m_audioSampleRate) || force)
+    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
     {
-        m_cwKeyer.setSampleRate(settings.m_audioSampleRate);
+        AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
+        int audioDeviceIndex = audioDeviceManager->getInputDeviceIndex(settings.m_audioDeviceName);
+        audioDeviceManager->addAudioSource(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
+        uint32_t audioSampleRate = audioDeviceManager->getInputSampleRate(audioDeviceIndex);
+
+        if (m_audioSampleRate != audioSampleRate) {
+            applyAudioSampleRate(audioSampleRate);
+        }
     }
 
     m_settings = settings;

plugins/channeltx/modam/ammod.h

@@ -276,6 +276,7 @@ private:
     int m_outputSampleRate;
     int m_inputFrequencyOffset;
     AMModSettings m_settings;
+    quint32 m_audioSampleRate;
 
     NCO m_carrierNco;
     NCOF m_toneNco;
@@ -309,6 +310,7 @@ private:
 
     static const int m_levelNbSamples;
 
+    void applyAudioSampleRate(int sampleRate);
     void applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force = false);
     void applySettings(const AMModSettings& settings, bool force = false);
     void pullAF(Real& sample);

plugins/channeltx/modam/ammodgui.cpp

@@ -31,6 +31,8 @@
 #include "util/simpleserializer.h"
 #include "util/db.h"
 #include "dsp/dspengine.h"
+#include "gui/crightclickenabler.h"
+#include "gui/audioselectdialog.h"
 #include "mainwindow.h"
 
 AMModGUI* AMModGUI::create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSource *channelTx)
@@ -282,6 +284,9 @@ AMModGUI::AMModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampl
 
 	connect(&MainWindow::getInstance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));
 
+    CRightClickEnabler *audioMuteRightClickEnabler = new CRightClickEnabler(ui->mic);
+    connect(audioMuteRightClickEnabler, SIGNAL(rightClick()), this, SLOT(audioSelect()));
+
     ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
     ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
     ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
@@ -391,6 +396,19 @@ void AMModGUI::enterEvent(QEvent*)
 	m_channelMarker.setHighlighted(true);
 }
 
+void AMModGUI::audioSelect()
+{
+    qDebug("AMModGUI::audioSelect");
+    AudioSelectDialog audioSelect(DSPEngine::instance()->getAudioDeviceManager(), m_settings.m_audioDeviceName, true); // true for input
+    audioSelect.exec();
+
+    if (audioSelect.m_selected)
+    {
+        m_settings.m_audioDeviceName = audioSelect.m_audioDeviceName;
+        applySettings();
+    }
+}
+
 void AMModGUI::tick()
 {
     double powDb = CalcDb::dbPower(m_amMod->getMagSq());

plugins/channeltx/modam/ammodgui.h

@@ -110,6 +110,7 @@ private slots:
     void onWidgetRolled(QWidget* widget, bool rollDown);
 
     void configureFileName();
+    void audioSelect();
     void tick();
 };
 

plugins/channeltx/modam/ammodgui.ui

@@ -56,16 +56,7 @@
     <property name="spacing">
      <number>3</number>
     </property>
-    <property name="leftMargin">
-     <number>2</number>
-    </property>
-    <property name="topMargin">
-     <number>2</number>
-    </property>
-    <property name="rightMargin">
-     <number>2</number>
-    </property>
-    <property name="bottomMargin">
+    <property name="margin">
      <number>2</number>
     </property>
     <item>
@@ -449,7 +440,7 @@
       <item>
        <widget class="ButtonSwitch" name="mic">
         <property name="toolTip">
-         <string>Audio input</string>
+         <string>Left: Source audio input Right: Select audio input device</string>
         </property>
         <property name="text">
          <string>...</string>

plugins/channeltx/modam/ammodsettings.cpp

@@ -34,12 +34,12 @@ void AMModSettings::resetToDefaults()
     m_rfBandwidth = 12500.0;
     m_modFactor = 0.2f;
     m_toneFrequency = 1000.0f;
-    m_audioSampleRate = DSPEngine::instance()->getDefaultAudioSampleRate();
     m_volumeFactor = 1.0f;
     m_channelMute = false;
     m_playLoop = false;
     m_rgbColor = QColor(255, 255, 0).rgb();
     m_title = "AM Modulator";
+    m_audioDeviceName = AudioDeviceManager::m_defaultDeviceName;
 }
 
 QByteArray AMModSettings::serialize() const
@@ -62,6 +62,7 @@ QByteArray AMModSettings::serialize() const
     }
 
     s.writeString(9, m_title);
+    s.writeString(10, m_audioDeviceName);
 
     return s.final();
 }
@@ -100,6 +101,7 @@ bool AMModSettings::deserialize(const QByteArray& data)
         }
 
         d.readString(9, &m_title, "AM Modulator");
+        d.readString(10, &m_audioDeviceName, AudioDeviceManager::m_defaultDeviceName);
 
         return true;
     }

plugins/channeltx/modam/ammodsettings.h

@@ -28,11 +28,11 @@ struct AMModSettings
     float m_modFactor;
     float m_toneFrequency;
     float m_volumeFactor;
-    quint32 m_audioSampleRate;
     bool m_channelMute;
     bool m_playLoop;
     quint32 m_rgbColor;
     QString m_title;
+    QString m_audioDeviceName;
 
     Serializable *m_channelMarker;
     Serializable *m_cwKeyerGUI;

plugins/channeltx/modam/readme.md

@@ -56,9 +56,11 @@ Switches to the Morse keyer input. You must switch it off to make other inputs a
 
 Adjusts the tone frequency from 0.1 to 2.5 kHz in 0.01 kHz steps
 
-<h4>9.4: Audio input select</h4>
+<h4>9.4: Audio input select and select audio input device</h4>
 
-Switches to the audio input. You must switch it off to make other inputs available.
+Left click to switch to the audio input. You must switch it off to make other inputs available.
+
+Right click to select audio input device.
 
 <h3>10: CW (Morse) text</h3>