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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

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3733
This commit is contained in:
Peter Veenstra 2011-07-21 14:26:16 +00:00
parent 7318abd114
commit b29e06c006
2 changed files with 18 additions and 0 deletions
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1
src/dosbox.cpp
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@ -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.");

17
src/gui/midi_coreaudio.h
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@ -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));