From b29e06c00624660e6a297d9516e360b9aeec3c3e Mon Sep 17 00:00:00 2001
From: Peter Veenstra <qbix79@users.sourceforge.net>
Date: Thu, 21 Jul 2011 14:26:16 +0000
Subject: [PATCH] Add patch 3161987 from Jason C. Penney: Add (optional)
 SoundFont support to midi_coreaudio synth. Added some extra info to
 dosbox.conf to describe this

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3733
---
 src/dosbox.cpp           |  1 +
 src/gui/midi_coreaudio.h | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/dosbox.cpp b/src/dosbox.cpp
index 79fb5db8..40be085c 100644
--- a/src/dosbox.cpp
+++ b/src/dosbox.cpp
@@ -491,6 +491,7 @@ void DOSBOX_Init(void) {
 
 	Pstring = secprop->Add_string("midiconfig",Property::Changeable::WhenIdle,"");
 	Pstring->Set_help("Special configuration options for the device driver. This is usually the id of the device you want to use.\n"
+	                  "  or in the case of coreaudio, you can specify a soundfont here.\n"
 	                  "  When using a Roland MT-32 rev. 0 as midi output device, some games may require a delay in order to prevent 'buffer overflow' issues.\n"
 	                  "  In that case, add 'delaysysex', for example: midiconfig=2 delaysysex\n"
 	                  "  See the README/Manual for more details.");
diff --git a/src/gui/midi_coreaudio.h b/src/gui/midi_coreaudio.h
index 0ffc60f1..ee6c752f 100644
--- a/src/gui/midi_coreaudio.h
+++ b/src/gui/midi_coreaudio.h
@@ -32,6 +32,7 @@ class MidiHandler_coreaudio : public MidiHandler {
 private:
 	AUGraph m_auGraph;
 	AudioUnit m_synth;
+        const char *soundfont;
 public:
 	MidiHandler_coreaudio() : m_auGraph(0), m_synth(0) {}
 	const char * GetName(void) { return "coreaudio"; }
@@ -71,6 +72,22 @@ public:
 		// Get the music device from the graph.
 		RequireNoErr(AUGraphGetNodeInfo(m_auGraph, synthNode, NULL, NULL, NULL, &m_synth));
 
+                // Optionally load a soundfont 
+                if (conf && conf[0]) {
+                  soundfont = conf;
+                  FSRef soundfontRef;
+                  RequireNoErr(FSPathMakeRef((const UInt8*)soundfont, &soundfontRef, NULL));
+                  RequireNoErr(AudioUnitSetProperty(
+                                                    m_synth,
+                                                    kMusicDeviceProperty_SoundBankFSRef, 
+                                                    kAudioUnitScope_Global,
+                                                    0,
+                                                    &soundfontRef,
+                                                    sizeof(soundfontRef)
+                                                    ));
+                  LOG_MSG("MIDI:coreaudio: loaded soundfont: %s",soundfont);
+                } 
+
 		// Finally: Start the graph!
 		RequireNoErr(AUGraphStart(m_auGraph));