winecoreaudio: Initial MIDI support on Mac OS X.
diff --git a/dlls/winecoreaudio.drv/audiounit.c b/dlls/winecoreaudio.drv/audiounit.c
index b6da953..08fd5ec 100644
--- a/dlls/winecoreaudio.drv/audiounit.c
+++ b/dlls/winecoreaudio.drv/audiounit.c
@@ -25,6 +25,9 @@
#ifdef HAVE_AUDIOUNIT_AUDIOUNIT_H
#include <AudioUnit/AudioUnit.h>
+#include <AudioToolbox/AudioToolbox.h>
+
+WINE_DECLARE_DEBUG_CHANNEL(midi);
extern OSStatus CoreAudio_woAudioUnitIOProc(void *inRefCon,
AudioUnitRenderActionFlags *ioActionFlags,
@@ -312,4 +315,115 @@
return 0;
}
+/*
+ * MIDI Synth Unit
+ */
+int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth)
+{
+ OSStatus err;
+ ComponentDescription desc;
+ AUNode synthNode;
+ AUNode outNode;
+
+ err = NewAUGraph(graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("NewAUGraph return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ desc.componentManufacturer = kAudioUnitManufacturer_Apple;
+ desc.componentFlags = 0;
+ desc.componentFlagsMask = 0;
+
+ /* create synth node */
+ desc.componentType = kAudioUnitType_MusicDevice;
+ desc.componentSubType = kAudioUnitSubType_DLSSynth;
+
+ err = AUGraphNewNode(*graph, &desc, 0, NULL, &synthNode);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphNewNode cannot create synthNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ /* create out node */
+ desc.componentType = kAudioUnitType_Output;
+ desc.componentSubType = kAudioUnitSubType_DefaultOutput;
+
+ err = AUGraphNewNode(*graph, &desc, 0, NULL, &outNode);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphNewNode cannot create outNode %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ err = AUGraphOpen(*graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphOpen return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ /* connecting the nodes */
+ err = AUGraphConnectNodeInput(*graph, synthNode, 0, outNode, 0);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphConnectNodeInput cannot connect synthNode to outNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ /* Get the synth unit */
+ err = AUGraphGetNodeInfo(*graph, synthNode, 0, 0, 0, synth);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphGetNodeInfo return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ return 1;
+}
+
+int SynthUnit_Initialize(AudioUnit synth, AUGraph graph)
+{
+ OSStatus err = noErr;
+
+ err = AUGraphInitialize(graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphInitialize(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ err = AUGraphStart(graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphStart(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ return 1;
+}
+
+int SynthUnit_Close(AUGraph graph)
+{
+ OSStatus err = noErr;
+
+ err = AUGraphStop(graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("AUGraphStop(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ err = DisposeAUGraph(graph);
+ if (err != noErr)
+ {
+ ERR_(midi)("DisposeAUGraph(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
+ return 0;
+ }
+
+ return 1;
+}
+
#endif
