From 3c5bad4e3d2294cefbe9acfcea5674c339392366 Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Thu, 12 Mar 2015 19:41:50 -0400
Subject: [PATCH] Audio bandwidth menu items

---
 src/AppFrame.cpp                | 57 ++++++++++++++++++++++++++++++++-
 src/AppFrame.h                  | 12 ++++---
 src/CubicSDRDefs.h              |  2 +-
 src/demod/DemodDefs.h           |  2 +-
 src/demod/DemodulatorThread.cpp |  2 +-
 5 files changed, 66 insertions(+), 9 deletions(-)

diff --git a/src/AppFrame.cpp b/src/AppFrame.cpp
index 309d517..22193e3 100644
--- a/src/AppFrame.cpp
+++ b/src/AppFrame.cpp
@@ -230,9 +230,39 @@ wxFrame(NULL, wxID_ANY, CUBICSDR_TITLE), activeDemodulator(NULL) {
             p++;
         }
 
-        menuBar->Append(menu, wxT("&Device"));
+        menuBar->Append(menu, wxT("Input &Device"));
     }
 
+
+    menu = new wxMenu;
+
+    i = 0;
+
+    for (mdevices_i = outputDevices.begin(); mdevices_i != outputDevices.end(); mdevices_i++) {
+        new wxMenu;
+        int menu_id = wxID_AUDIO_BANDWIDTH_BASE + wxID_AUDIO_DEVICE_MULTIPLIER * mdevices_i->first;
+        wxMenu *subMenu = new wxMenu;
+        menu->AppendSubMenu(subMenu,mdevices_i->second.name, wxT("Description?"));
+
+        int j = 0;
+        for (std::vector<unsigned int>::iterator srate = mdevices_i->second.sampleRates.begin(); srate != mdevices_i->second.sampleRates.end(); srate++) {
+            std::stringstream srateName;
+            srateName << ((float)(*srate)/1000.0f) << "kHz";
+            wxMenuItem *itm = subMenu->AppendRadioItem(menu_id+j, srateName.str(), wxT("Description?"));
+
+            if ((*srate) == DEFAULT_AUDIO_SAMPLE_RATE) {
+                itm->Check(true);
+            }
+
+            audioSampleRateMenuItems[menu_id+j] = itm;
+
+            j++;
+        }
+    }
+
+    menuBar->Append(menu, wxT("Audio &Bandwidth"));
+
+
     SetMenuBar(menuBar);
 
     CreateStatusBar();
@@ -346,6 +376,31 @@ void AppFrame::OnMenu(wxCommandEvent& event) {
     if (event.GetId() >= wxID_DEVICE_ID && event.GetId() <= wxID_DEVICE_ID + devs->size()) {
         wxGetApp().setDevice(event.GetId() - wxID_DEVICE_ID);
     }
+
+
+    if (event.GetId() >= wxID_AUDIO_BANDWIDTH_BASE) {
+        int evId = event.GetId();
+        std::vector<RtAudio::DeviceInfo>::iterator devices_i;
+        std::map<int, RtAudio::DeviceInfo>::iterator mdevices_i;
+
+        int i = 0;
+        for (mdevices_i = outputDevices.begin(); mdevices_i != outputDevices.end(); mdevices_i++) {
+               int menu_id = wxID_AUDIO_BANDWIDTH_BASE + wxID_AUDIO_DEVICE_MULTIPLIER * mdevices_i->first;
+
+               int j = 0;
+               for (std::vector<unsigned int>::iterator srate = mdevices_i->second.sampleRates.begin(); srate != mdevices_i->second.sampleRates.end(); srate++) {
+
+                   if (evId == menu_id + j) {
+                       //audioSampleRateMenuItems[menu_id+j];
+                       std::cout << "Would set audio sample rate on device " << mdevices_i->second.name << " (" << mdevices_i->first << ") to " << (*srate) << "Hz" << std::endl;
+                   }
+
+                   j++;
+               }
+               i++;
+           }
+    }
+
 }
 
 void AppFrame::OnClose(wxCommandEvent& WXUNUSED(event)) {
diff --git a/src/AppFrame.h b/src/AppFrame.h
index 93dad38..1863dc2 100644
--- a/src/AppFrame.h
+++ b/src/AppFrame.h
@@ -33,6 +33,10 @@
 
 #define wxID_DEVICE_ID 3500
 
+#define wxID_AUDIO_BANDWIDTH_BASE 9000
+#define wxID_AUDIO_DEVICE_MULTIPLIER 50
+
+
 
 // Define a new frame type
 class AppFrame: public wxFrame {
@@ -60,17 +64,15 @@ private:
     MeterCanvas *demodSignalMeter;
     MeterCanvas *demodGainMeter;
     TuningCanvas *demodTuner;
-// event table
 
     DemodulatorInstance *activeDemodulator;
 
     std::vector<RtAudio::DeviceInfo> devices;
     std::map<int,RtAudio::DeviceInfo> inputDevices;
     std::map<int,RtAudio::DeviceInfo> outputDevices;
-    std::map<int,wxMenuItem *> outputDeviceMenuItems;
-
-    std::map<int,wxMenuItem *> sampleRateMenuItems;
-
+    std::map<int, wxMenuItem *> outputDeviceMenuItems;
+    std::map<int, wxMenuItem *> sampleRateMenuItems;
+    std::map<int, wxMenuItem *> audioSampleRateMenuItems;
 
     std::string currentSessionFile;
 
diff --git a/src/CubicSDRDefs.h b/src/CubicSDRDefs.h
index 8b09aa1..3614fba 100644
--- a/src/CubicSDRDefs.h
+++ b/src/CubicSDRDefs.h
@@ -42,7 +42,7 @@ const char filePathSeparator =
 #define DEFAULT_FFT_SIZE 2048
 
 #define DEFAULT_FREQ 100000000
-#define AUDIO_FREQUENCY 44100
+#define DEFAULT_AUDIO_SAMPLE_RATE 44100
 #define DEFAULT_DEMOD_TYPE 1
 #define DEFAULT_DEMOD_BW 200000
 
diff --git a/src/demod/DemodDefs.h b/src/demod/DemodDefs.h
index f68686c..fb5f5d9 100644
--- a/src/demod/DemodDefs.h
+++ b/src/demod/DemodDefs.h
@@ -128,7 +128,7 @@ public:
 
     DemodulatorThreadParameters() :
             frequency(0), sampleRate(DEFAULT_SAMPLE_RATE), bandwidth(200000), audioSampleRate(
-            AUDIO_FREQUENCY), demodType(DEMOD_TYPE_FM) {
+            DEFAULT_AUDIO_SAMPLE_RATE), demodType(DEMOD_TYPE_FM) {
 
     }
 
diff --git a/src/demod/DemodulatorThread.cpp b/src/demod/DemodulatorThread.cpp
index 169137f..e8d7cf6 100644
--- a/src/demod/DemodulatorThread.cpp
+++ b/src/demod/DemodulatorThread.cpp
@@ -47,7 +47,7 @@ void DemodulatorThread::threadMain() {
     firfilt_rrrf firStereoRight = NULL;
 
     // Stereo filters / shifters
-    double firStereoCutoff = 0.5 * ((double) 36000 / (double) AUDIO_FREQUENCY);         // filter cutoff frequency
+    double firStereoCutoff = 0.5 * ((double) 36000 / (double) DEFAULT_AUDIO_SAMPLE_RATE);         // filter cutoff frequency
     float ft = 0.05f;         // filter transition
     float As = 120.0f;         // stop-band attenuation [dB]
     float mu = 0.0f;         // fractional timing offset