Ticket #7928: gmidi_cpp.patch

gmidi_cpp.patch
S¸AŸmBIN‚Æ>--- gmidi.cpp   Sat Dec  1 12:24:59 2001
+++ ../gmidi.cpp        Fri Dec 14 19:44:07 2001
@@ -25,6 +25,92 @@
 
 #include "stdafx.h"
 
+
+#ifdef __APPLE__
+    #include <Carbon/Carbon.h>
+    #include <AudioUnit/AudioUnit.h>
+    #define HMIDIOUT void *
+    #define DWORD unsigned int
+    #define UCHAR unsigned char
+    #define MMSYSERR_NOERROR   0
+    #define MMSYSERR_BADERRNUM  1
+    #define UINT UCHAR
+    #define MIDI_MAPPER        void *
+    
+AudioUnit                              au_output;
+MusicDeviceComponent                   au_MusicDevice;
+
+int midiOutShortMsg(HMIDIOUT handle, DWORD dwData)
+{
+    UCHAR first_byte, seccond_byte, status_byte;
+    status_byte   = (dwData & 0x000000FF);
+    first_byte    = (dwData & 0x0000FF00) >> 8;
+    seccond_byte  = (dwData & 0x00FF0000) >> 16;
+
+    MusicDeviceMIDIEvent(au_MusicDevice, status_byte, first_byte, seccond_byte, 0);      
+
+    return 0;
+}
+
+unsigned long midiOutOpen(void)
+{
+    int                                        err;
+    struct AudioUnitConnection auconnect;
+    ComponentDescription               compdesc;
+    Component                          compid;
+        
+    au_MusicDevice=au_output=NULL;
+
+    //Open the Music Device
+    compdesc.componentType=kAudioUnitComponentType;
+    compdesc.componentSubType=kAudioUnitSubType_MusicDevice;
+    compdesc.componentManufacturer=kAudioUnitID_DLSSynth;
+    compdesc.componentFlags=0;
+    compdesc.componentFlagsMask=0; 
+
+    compid=FindNextComponent(NULL,&compdesc);
+    if (compid==NULL)
+        return(MMSYSERR_BADERRNUM);
+
+    au_MusicDevice=(AudioUnit)OpenComponent(compid);
+    if (au_MusicDevice==NULL)
+       return(MMSYSERR_BADERRNUM);
+            
+    // open the output unit        
+    au_output=(AudioUnit)OpenDefaultComponent(kAudioUnitComponentType,kAudioUnitSubType_Output);
+    if (au_output==NULL)
+       return(MMSYSERR_BADERRNUM);
+    
+    // connect the units
+
+    auconnect.sourceAudioUnit=au_MusicDevice;
+    auconnect.sourceOutputNumber=0;
+    auconnect.destInputNumber=0;
+
+    err=AudioUnitSetProperty(au_output,kAudioUnitProperty_MakeConnection,kAudioUnitScope_Input,0,(void*)&auconnect,sizeof(struct AudioUnitConnection));
+    if (err!=noErr)
+       return(MMSYSERR_BADERRNUM);
+       
+    // initialize the units
+    if (AudioUnitInitialize(au_MusicDevice)!=noErr)
+       return(MMSYSERR_BADERRNUM);
+       
+    if (AudioUnitInitialize(au_output)!=noErr)
+       return(MMSYSERR_BADERRNUM);
+    
+    // start the output
+        
+    AudioOutputUnitStart(au_output);
+    return(0);
+}
+
+int midiOutClose(HMIDIOUT handle)
+{
+    return 0;
+}
+
+#endif
+
 #if !defined USE_ADLIB
 
 #include "scumm.h"
@@ -56,6 +142,13 @@
                error("midiOutOpen failed");
 }
 
+#define MIDI_OUT(a,b) midiOutShortMsg((HMIDIOUT)(a), (b))
+
+#elif defined(__APPLE__)
+void MidiSoundDriver::midiInit() {
+       if (midiOutOpen() != MMSYSERR_NOERROR)
+               error("midiOutOpen failed");
+}
 #define MIDI_OUT(a,b) midiOutShortMsg((HMIDIOUT)(a), (b))
 
 #elif defined(USE_TIMIDITY)