IPlugExamples/IPlugConvoEngine/app_wrapper/app_main.h

   1 #ifndef _IPLUGAPP_APP_MAIN_H_
   2 #define _IPLUGAPP_APP_MAIN_H_
   3
   4 #include "IPlugOSDetect.h"
   5
   6 /*
   7
   8  Standalone osx/win app wrapper for iPlug, using SWELL
   9  Oli Larkin 2012
  10
  11  Notes:
  12
  13  App settings are stored in a .ini file. The location is as follows:
  14
  15  Windows7: C:\Users\USERNAME\AppData\Local\IPlugConvoEngine\settings.ini
  16  Windows XP/Vista: C:\Documents and Settings\USERNAME\Local Settings\Application Data\IPlugConvoEngine\settings.ini
  17  OSX: /Users/USERNAME/Library/Application\ Support/IPlugConvoEngine/settings.ini
  18
  19 */
  20
  21 #ifdef OS_WIN
  22   #include <windows.h>
  23   #include <commctrl.h>
  24
  25   #define DEFAULT_INPUT_DEV "Default Device"
  26   #define DEFAULT_OUTPUT_DEV "Default Device"
  27
  28   #define DAC_DS 0
  29   #define DAC_ASIO 1
  30 #else if defined OS_OSX
  31   #include "swell.h"
  32   #define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
  33
  34   #define DEFAULT_INPUT_DEV "Built-in Input"
  35   #define DEFAULT_OUTPUT_DEV "Built-in Output"
  36
  37   #define DAC_COREAUDIO 0
  38 //  #define DAC_JACK 1
  39 #endif
  40
  41 #include "wdltypes.h"
  42 #include "RtAudio.h"
  43 #include "RtMidi.h"
  44 #include <string>
  45 #include <vector>
  46
  47 #include "../IPlugConvoEngine.h" // change this to match your iplug plugin .h file
  48
  49 typedef unsigned short UInt16;
  50
  51 struct AppState
  52 {
  53   // on osx core audio 0 or jack 1
  54   // on windows DS 0 or ASIO 1
  55   UInt16 mAudioDriverType;
  56
  57   // strings
  58   char mAudioInDev[100];
  59   char mAudioOutDev[100];
  60   char mAudioSR[100];
  61   char mAudioIOVS[100];
  62   char mAudioSigVS[100];
  63
  64   UInt16 mAudioInChanL;
  65   UInt16 mAudioInChanR;
  66   UInt16 mAudioOutChanL;
  67   UInt16 mAudioOutChanR;
  68   UInt16 mAudioInIsMono;
  69
  70   // strings containing the names of the midi devices
  71   char mMidiInDev[100];
  72   char mMidiOutDev[100];
  73
  74   UInt16 mMidiInChan;
  75   UInt16 mMidiOutChan;
  76
  77   AppState():
  78     mAudioDriverType(0), // DS / CoreAudio by default
  79     mAudioInChanL(1),
  80     mAudioInChanR(2),
  81     mAudioOutChanL(1),
  82     mAudioOutChanR(2),
  83     mMidiInChan(0),
  84     mMidiOutChan(0)
  85   {
  86     strcpy(mAudioInDev, DEFAULT_INPUT_DEV);
  87     strcpy(mAudioOutDev, DEFAULT_OUTPUT_DEV);
  88     strcpy(mAudioSR, "44100");
  89     strcpy(mAudioIOVS, "512");
  90     strcpy(mAudioSigVS, "32");
  91
  92     strcpy(mMidiInDev, "off");
  93     strcpy(mMidiOutDev, "off");
  94   }
  95 };
  96
  97 extern WDL_DLGRET MainDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
  98 extern WDL_DLGRET PreferencesDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
  99 extern HINSTANCE gHINST;
 100 extern HWND gHWND;
 101 extern UINT gScrollMessage;
 102 extern IPlug* gPluginInstance; // The iplug plugin instance
 103
 104 extern std::string GetAudioDeviceName(int idx);
 105 extern int GetAudioDeviceID(char* deviceNameToTest);
 106
 107 extern void ProbeAudioIO();
 108 extern bool InitialiseAudio(unsigned int inId,
 109                             unsigned int outId,
 110                             unsigned int sr,
 111                             unsigned int iovs,
 112                             unsigned int chnls,
 113                             unsigned int inChanL,
 114                             unsigned int outChanL
 115                            );
 116
 117 extern bool AudioSettingsInStateAreEqual(AppState* os, AppState* ns);
 118 extern bool MIDISettingsInStateAreEqual(AppState* os, AppState* ns);
 119
 120 extern bool TryToChangeAudioDriverType();
 121 extern bool TryToChangeAudio();
 122 extern bool ChooseMidiInput(const char* pPortName);
 123 extern bool ChooseMidiOutput(const char* pPortName);
 124
 125 extern bool AttachGUI();
 126
 127 extern RtAudio* gDAC;
 128 extern RtMidiIn *gMidiIn;
 129 extern RtMidiOut *gMidiOut;
 130
 131 extern AppState *gState;
 132 extern AppState *gTempState; // The state is copied here when the pref dialog is opened, and restored if cancel is pressed
 133 extern AppState *gActiveState; // When the audio driver is started the current state is copied here so that if OK is pressed after APPLY nothing is changed
 134
 135 extern unsigned int gSigVS;
 136 extern unsigned int gBufIndex; // index for signal vector, loops from 0 to gSigVS
 137
 138 extern char *gINIPath; // path of ini file
 139 extern void UpdateINI();
 140
 141 extern std::vector<unsigned int> gAudioInputDevs;
 142 extern std::vector<unsigned int> gAudioOutputDevs;
 143 extern std::vector<std::string> gMIDIInputDevNames;
 144 extern std::vector<std::string> gMIDIOutputDevNames;
 145
 146 #endif //_IPLUGAPP_APP_MAIN_H_
 147