Better initial sample rate setup, remove hard-coded default rate and use device info matching /w fallback

CMakeLists.txt

@@ -175,10 +175,12 @@ IF(USE_AUDIO_PULSE)
 ENDIF(USE_AUDIO_PULSE)
 
 IF(USE_AUDIO_JACK)
-   SET (OTHER_LIBRARIES ${OTHER_LIBRARIES} jack)
+   find_package(Jack)
+   SET (OTHER_LIBRARIES ${OTHER_LIBRARIES} ${JACK_LIBRARIES})
    ADD_DEFINITIONS(
         -D__UNIX_JACK__
    )
+   include_directories(${JACK_INCLUDE_DIRS})
 ENDIF(USE_AUDIO_JACK)
 
 IF(USE_AUDIO_ALSA)

cmake/Modules/FindJack.cmake

@@ -0,0 +1,50 @@
+# Try to find JACK
+# This will define the following variables:
+#
+#  JACK_FOUND - Whether Jack was found.
+#  JACK_INCLUDE_DIRS - Jack include directories.
+#  JACK_LIBRARIES - Jack libraries.
+
+include(FindPackageHandleStandardArgs)
+
+if(JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
+
+  # in cache already
+  set(JACK_FOUND TRUE)
+
+else()
+
+  find_package(PkgConfig)
+  if(PKG_CONFIG_FOUND)
+    pkg_check_modules(_JACK jack)
+  endif(PKG_CONFIG_FOUND)
+
+  find_path(JACK_INCLUDE_DIR
+    NAMES
+      jack/jack.h
+    PATHS
+      ${_JACK_INCLUDEDIR}
+  )
+  
+  find_library(JACK_LIBRARY
+    NAMES
+      jack
+    PATHS
+      ${_JACK_LIBDIR}
+  )
+
+  set(JACK_INCLUDE_DIRS
+    ${JACK_INCLUDE_DIR}
+  )
+
+  set(JACK_LIBRARIES
+    ${JACK_LIBRARY}
+  )
+
+  find_package_handle_standard_args(Jack DEFAULT_MSG JACK_LIBRARIES JACK_INCLUDE_DIRS)
+
+  # show the JACK_INCLUDE_DIRS and JACK_LIBRARIES variables only in the advanced view
+  mark_as_advanced(JACK_INCLUDE_DIR JACK_LIBRARY JACK_INCLUDE_DIRS JACK_LIBRARIES)
+
+endif()
+

src/AppFrame.cpp

@@ -164,7 +164,6 @@ wxFrame(NULL, wxID_ANY, CUBICSDR_TITLE), activeDemodulator(NULL) {
         i++;
     }
 
-    i = 0;
 
     for (mdevices_i = outputDevices.begin(); mdevices_i != outputDevices.end(); mdevices_i++) {
         wxMenuItem *itm = menu->AppendRadioItem(wxID_RT_AUDIO_DEVICE + mdevices_i->first, mdevices_i->second.name, wxT("Description?"));
@@ -236,7 +235,30 @@ wxFrame(NULL, wxID_ANY, CUBICSDR_TITLE), activeDemodulator(NULL) {
 
     menu = new wxMenu;
 
-    i = 0;
+
+	#define NUM_RATES_DEFAULT 4
+    int desired_rates[NUM_RATES_DEFAULT] = { 48000, 44100, 96000, 192000 };
+
+    for (mdevices_i = outputDevices.begin(); mdevices_i != outputDevices.end(); mdevices_i++) {
+    	int desired_rate = 0;
+    	int desired_rank = NUM_RATES_DEFAULT+1;
+
+        for (std::vector<unsigned int>::iterator srate = mdevices_i->second.sampleRates.begin(); srate != mdevices_i->second.sampleRates.end(); srate++) {
+        	for (i = 0; i < NUM_RATES_DEFAULT; i++) {
+        		if (desired_rates[i] == (*srate)) {
+        			if (desired_rank > i) {
+        				desired_rank = i;
+        				desired_rate = (*srate);
+        			}
+        		}
+        	}
+        }
+
+		if (desired_rank > NUM_RATES_DEFAULT) {
+			desired_rate = mdevices_i->second.sampleRates.back();
+		}
+        AudioThread::deviceSampleRate[mdevices_i->first] = desired_rate;
+    }
 
     for (mdevices_i = outputDevices.begin(); mdevices_i != outputDevices.end(); mdevices_i++) {
         new wxMenu;
@@ -250,8 +272,7 @@ wxFrame(NULL, wxID_ANY, CUBICSDR_TITLE), activeDemodulator(NULL) {
             srateName << ((float)(*srate)/1000.0f) << "kHz";
             wxMenuItem *itm = subMenu->AppendRadioItem(menu_id+j, srateName.str(), wxT("Description?"));
 
-            if ((*srate) == DEFAULT_AUDIO_SAMPLE_RATE) {
+            if ((*srate) == AudioThread::deviceSampleRate[mdevices_i->first]) {
-                AudioThread::deviceSampleRate[mdevices_i->first] = DEFAULT_AUDIO_SAMPLE_RATE;
                 itm->Check(true);
             }
             audioSampleRateMenuItems[menu_id+j] = itm;

src/CubicSDR.xpm

@@ -1,5 +1,5 @@
 /* XPM */
-static char *cubicsdr_xpm[] = {
+static char const *cubicsdr_xpm[] = {
 /* columns rows colors chars-per-pixel */
 "256 256 256 2 ",
 "   c #010101",

src/CubicSDRDefs.h

@@ -42,7 +42,6 @@ const char filePathSeparator =
 #define DEFAULT_FFT_SIZE 2048
 
 #define DEFAULT_FREQ 100000000
-#define DEFAULT_AUDIO_SAMPLE_RATE 44100
 #define DEFAULT_DEMOD_TYPE 1
 #define DEFAULT_DEMOD_BW 200000
 

src/audio/AudioThread.cpp

@@ -303,8 +303,10 @@ void AudioThread::setupDevice(int deviceId) {
         if (deviceSampleRate.find(parameters.deviceId) != deviceSampleRate.end()) {
             sampleRate = deviceSampleRate[parameters.deviceId];
         } else {
-            sampleRate = DEFAULT_AUDIO_SAMPLE_RATE;
+        	std::cout << "Error, device sample rate wasn't initialized?" << std::endl;
-            deviceSampleRate[parameters.deviceId] = sampleRate;
+        	return;
+//            sampleRate = AudioThread::getDefaultAudioSampleRate();
+//            deviceSampleRate[parameters.deviceId] = sampleRate;
         }
 
         if (deviceController.find(parameters.deviceId) == deviceController.end()) {

src/demod/DemodDefs.h

@@ -132,8 +132,8 @@ public:
     int demodType;
 
     DemodulatorThreadParameters() :
-            frequency(0), sampleRate(DEFAULT_SAMPLE_RATE), bandwidth(200000), audioSampleRate(
+            frequency(0), sampleRate(DEFAULT_SAMPLE_RATE), bandwidth(200000), audioSampleRate(0),
-            DEFAULT_AUDIO_SAMPLE_RATE), demodType(DEMOD_TYPE_FM) {
+            demodType(DEMOD_TYPE_FM) {
 
     }
 

src/demod/DemodulatorThread.cpp

@@ -222,7 +222,7 @@ void DemodulatorThread::threadMain() {
                 demodStereoData.resize(bufSize);
             }
 
-            double freq = (2.0 * M_PI) * (((double) abs(38000)) / ((double) inp->sampleRate));
+            double freq = (2.0 * M_PI) * ((double) 38000) / ((double) inp->sampleRate);
 
             if (stereoShiftFrequency != freq) {
                 nco_crcf_set_frequency(stereoShifter, freq);