Add GMSK, fix modem bandwidth logic, cleanup.

src/modules/modem/analog/ModemAM.cpp

@@ -4,6 +4,10 @@ ModemAM::ModemAM() : ModemAnalog() {
     demodAM = ampmodem_create(0.5, 0.0, LIQUID_AMPMODEM_DSB, 0);
 }
 
+ModemAM::~ModemAM() {
+    ampmodem_destroy(demodAM);
+}
+
 Modem *ModemAM::factory() {
     return new ModemAM;
 }
@@ -12,6 +16,10 @@ std::string ModemAM::getName() {
     return "AM";
 }
 
+int ModemAM::getDefaultSampleRate() {
+    return 6000;
+}
+
 void ModemAM::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     ModemKitAnalog *amkit = (ModemKitAnalog *)kit;
     

src/modules/modem/analog/ModemAM.h

@@ -5,8 +5,14 @@
 class ModemAM : public ModemAnalog {
 public:
     ModemAM();
+    ~ModemAM();
+    
     std::string getName();
+    
     Modem *factory();
+    
+    int getDefaultSampleRate();
+
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
     
 private:

src/modules/modem/analog/ModemDSB.cpp

@@ -4,6 +4,10 @@ ModemDSB::ModemDSB() : ModemAnalog() {
     demodAM_DSB = ampmodem_create(0.5, 0.0, LIQUID_AMPMODEM_DSB, 1);
 }
 
+ModemDSB::~ModemDSB() {
+    ampmodem_destroy(demodAM_DSB);
+}
+
 Modem *ModemDSB::factory() {
     return new ModemDSB;
 }
@@ -12,6 +16,10 @@ std::string ModemDSB::getName() {
     return "DSB";
 }
 
+int ModemDSB::getDefaultSampleRate() {
+    return 5400;
+}
+
 void ModemDSB::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     ModemKitAnalog *amkit = (ModemKitAnalog *)kit;
 

src/modules/modem/analog/ModemDSB.h

@@ -5,8 +5,14 @@
 class ModemDSB : public ModemAnalog {
 public:
     ModemDSB();
+    ~ModemDSB();
+    
     std::string getName();
+    
     Modem *factory();
+    
+    int getDefaultSampleRate();
+
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
     
 private:

src/modules/modem/analog/ModemFM.cpp

@@ -4,6 +4,10 @@ ModemFM::ModemFM() : ModemAnalog() {
     demodFM = freqdem_create(0.5);
 }
 
+ModemFM::~ModemFM() {
+    freqdem_destroy(demodFM);
+}
+
 Modem *ModemFM::factory() {
     return new ModemFM;
 }
@@ -12,6 +16,10 @@ std::string ModemFM::getName() {
     return "FM";
 }
 
+int ModemFM::getDefaultSampleRate() {
+    return 200000;
+}
+
 void ModemFM::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     ModemKitAnalog *fmkit = (ModemKitAnalog *)kit;
     

src/modules/modem/analog/ModemFM.h

@@ -5,11 +5,16 @@
 class ModemFM : public ModemAnalog {
 public:
     ModemFM();
+    ~ModemFM();
+    
     std::string getName();
+    
     Modem *factory();
+
+    int getDefaultSampleRate();
+
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
 
 private:
- 
     freqdem demodFM;
 };

src/modules/modem/analog/ModemFMStereo.cpp

@@ -40,6 +40,10 @@ int ModemFMStereo::checkSampleRate(long long sampleRate, int audioSampleRate) {
     }
 }
 
+int ModemFMStereo::getDefaultSampleRate() {
+    return 200000;
+}
+
 ModemKit *ModemFMStereo::buildKit(long long sampleRate, int audioSampleRate) {
     ModemKitFMStereo *kit = new ModemKitFMStereo;
     

src/modules/modem/analog/ModemFMStereo.h

@@ -27,6 +27,7 @@ public:
     Modem *factory();
     
     int checkSampleRate(long long sampleRate, int audioSampleRate);
+    int getDefaultSampleRate();
     
     ModemKit *buildKit(long long sampleRate, int audioSampleRate);
     void disposeKit(ModemKit *kit);

src/modules/modem/analog/ModemIQ.cpp

@@ -4,6 +4,14 @@ ModemIQ::ModemIQ() {
     
 }
 
+std::string ModemIQ::getType() {
+    return "analog";
+}
+
+std::string ModemIQ::getName() {
+    return "I/Q";
+}
+
 Modem *ModemIQ::factory() {
     return new ModemIQ;
 }
@@ -15,14 +23,6 @@ ModemKit *ModemIQ::buildKit(long long sampleRate, int audioSampleRate) {
     return kit;
 }
 
-std::string ModemIQ::getType() {
-    return "analog";
-}
-
-std::string ModemIQ::getName() {
-    return "I/Q";
-}
-
 void ModemIQ::disposeKit(ModemKit *kit) {
     delete kit;
 }
@@ -31,6 +31,10 @@ int ModemIQ::checkSampleRate(long long sampleRate, int audioSampleRate) {
     return audioSampleRate;
 }
 
+int ModemIQ::getDefaultSampleRate() {
+    return 48000;
+}
+
 void ModemIQ::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     int bufSize = input->data.size();
     

src/modules/modem/analog/ModemIQ.h

@@ -4,12 +4,19 @@
 class ModemIQ : public Modem {
 public:
     ModemIQ();
+
     std::string getType();
     std::string getName();
+    
     Modem *factory();
-    ModemKit *buildKit(long long sampleRate, int audioSampleRate);
+
     int checkSampleRate(long long sampleRate, int audioSampleRate);
+    int getDefaultSampleRate();
+
+    ModemKit *buildKit(long long sampleRate, int audioSampleRate);
+
     void disposeKit(ModemKit *kit);
+    
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
     
 private:

src/modules/modem/analog/ModemLSB.cpp

@@ -29,6 +29,10 @@ int ModemLSB::checkSampleRate(long long sampleRate, int audioSampleRate) {
     return sampleRate+1;
 }
 
+int ModemLSB::getDefaultSampleRate() {
+    return 5400;
+}
+
 void ModemLSB::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     ModemKitAnalog *akit = (ModemKitAnalog *)kit;
     

src/modules/modem/analog/ModemLSB.h

@@ -1,14 +1,18 @@
 #pragma once
-#include "Modem.h"
 #include "ModemAnalog.h"
 
 class ModemLSB : public ModemAnalog {
 public:
     ModemLSB();
     ~ModemLSB();
+    
     std::string getName();
+    
     Modem *factory();
+    
     int checkSampleRate(long long sampleRate, int audioSampleRate);
+    int getDefaultSampleRate();
+
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
     
 private:

src/modules/modem/analog/ModemUSB.cpp

@@ -29,6 +29,10 @@ int ModemUSB::checkSampleRate(long long sampleRate, int audioSampleRate) {
     return sampleRate+1;
 }
 
+int ModemUSB::getDefaultSampleRate() {
+    return 5400;
+}
+
 void ModemUSB::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
     ModemKitAnalog *akit = (ModemKitAnalog *)kit;
     

src/modules/modem/analog/ModemUSB.h

@@ -5,9 +5,14 @@ class ModemUSB : public ModemAnalog {
 public:
     ModemUSB();
     ~ModemUSB();
+    
     std::string getName();
+    
     Modem *factory();
+    
     int checkSampleRate(long long sampleRate, int audioSampleRate);
+    int getDefaultSampleRate();
+
     void demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut);
     
 private: