Added midi device selection code for windows

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2099

README

@@ -409,7 +409,13 @@ MIXER
   /NOSHOW
       Prevents DOSBox from showing the result if you set one
       of the volume levels.
-  
+
+  /LISTMIDI
+      Lists the available midi devices on your pc (Windows). To select a 
+      device other than the Windows default midi-mapper, add a line 
+      'config=id' to the [midi] section in the configuration file, where
+      'id' is the number for the device as listed by LISTMIDI.
+
   
 IMGMOUNT
   A utility to mount disk images and CD-ROM images in DOSBox.

src/dosbox.cpp

@@ -16,7 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: dosbox.cpp,v 1.81 2004-12-07 21:49:06 qbix79 Exp $ */
+/* $Id: dosbox.cpp,v 1.82 2005-01-20 20:35:28 qbix79 Exp $ */
 
 #include <stdlib.h>
 #include <stdarg.h>
@@ -289,7 +289,8 @@ void DOSBOX_Init(void) {
 		"intelligent -- Operate in Intelligent mode.\n"
 		"device      -- Device that will receive the MIDI data from MPU-401.\n"
 		"               This can be default,alsa,oss,win32,coreaudio,none.\n"
-		"config      -- Special configuration options for the device.\n"
+		"config      -- Special configuration options for the device. In Windows put\n" 
+		"               the id of the device you want to use. See README for details.\n"
 	);
 
 #if C_DEBUG

src/gui/midi_win32.h

@@ -16,11 +16,15 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+/* $Id: midi_win32.h,v 1.10 2005-01-20 20:35:29 qbix79 Exp $ */
+
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 #endif
 #include <windows.h>
 #include <mmsystem.h>
+#include <string>
+#include <sstream>
 
 class MidiHandler_win32: public MidiHandler {
 private:
@@ -34,11 +38,26 @@ public:
 	bool Open(const char * conf) {
 		if (isOpen) return false;
 		m_event = CreateEvent (NULL, true, true, NULL);
-		MMRESULT res = midiOutOpen(&m_out, MIDI_MAPPER, (DWORD)m_event, 0, CALLBACK_EVENT);
+		MMRESULT res;
+		if(conf && *conf) {
+			std::string strconf(conf);
+			std::istringstream configmidi(strconf);
+			unsigned int nummer = midiOutGetNumDevs();
+			configmidi >> nummer;
+			if(nummer < midiOutGetNumDevs()){
+				MIDIOUTCAPS mididev;
+				midiOutGetDevCaps(nummer, &mididev, sizeof(MIDIOUTCAPS));
+				LOG_MSG("MIDI:win32 selected %s",mididev.szPname);
+				res = midiOutOpen(&m_out, nummer, (DWORD)m_event, 0, CALLBACK_EVENT);
+			}
+		} else {
+			res = midiOutOpen(&m_out, MIDI_MAPPER, (DWORD)m_event, 0, CALLBACK_EVENT);
+		}
 		if (res != MMSYSERR_NOERROR) return false;
 		isOpen=true;
 		return true;
 	};
+
 	void Close(void) {
 		if (!isOpen) return;
 		isOpen=false;

src/hardware/mixer.cpp

@@ -16,6 +16,8 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+/* $Id: mixer.cpp,v 1.28 2005-01-20 20:35:28 qbix79 Exp $ */
+
 /* 
 	Remove the sdl code from here and have it handeld in the sdlmain.
 	That should call the mixer start from there or something.
@@ -26,6 +28,15 @@
 #include <dirent.h>
 #include <math.h>
 
+#if defined (WIN32)
+//Midi listing
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <mmsystem.h>
+#endif
+
 #include "SDL.h"
 #include "mem.h"
 #include "pic.h"
@@ -399,13 +410,12 @@ public:
 		}
 		if (!w) vol1=vol0;
 	}
-	void ShowVolume(char * name,float vol0,float vol1) {
-		WriteOut("%-8s %3.0f:%-3.0f  %+3.2f:%-+3.2f \n",name,
-			vol0*100,vol1*100,
-			20*log(vol0)/log(10.0f),20*log(vol1)/log(10.0f)
-		);
-	}
+
 	void Run(void) {
+		if(cmd->FindExist("/LISTMIDI")) {
+			ListMidi();
+			return;
+		}
 		if (cmd->FindString("MASTER",temp_line,false)) {
 			MakeVolume((char *)temp_line.c_str(),mixer.mastervol[0],mixer.mastervol[1]);
 		}
@@ -424,6 +434,26 @@ public:
 		for (chan=mixer.channels;chan;chan=chan->next) 
 			ShowVolume(chan->name,chan->volmain[0],chan->volmain[1]);
 	}
+private:
+	void ShowVolume(char * name,float vol0,float vol1) {
+		WriteOut("%-8s %3.0f:%-3.0f  %+3.2f:%-+3.2f \n",name,
+			vol0*100,vol1*100,
+			20*log(vol0)/log(10.0f),20*log(vol1)/log(10.0f)
+		);
+	}
+
+	void ListMidi(){
+#if defined (WIN32)
+		unsigned int total = midiOutGetNumDevs();	
+		for(unsigned int i=0;i<total;i++) {
+			MIDIOUTCAPS mididev;
+			midiOutGetDevCaps(i, &mididev, sizeof(MIDIOUTCAPS));
+			WriteOut("%2d\t \"%s\"\n",i,mididev.szPname);
+		}
+#endif
+	return;
+	};
+
 };
 
 static void MIXER_ProgramStart(Program * * make) {