From 46b16cb9210db0b998bb0e123ed0b3f6c625bb4a Mon Sep 17 00:00:00 2001
From: jules <jules@rawmaterialsoftware.com>
Date: Sun, 20 Jan 2013 19:19:00 +0000
Subject: [PATCH] AAX midi out.

---
 .../AAX/juce_AAX_Wrapper.cpp                  | 42 ++++++++++++++++---
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp b/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
index de0f90e5e2..c4778cba70 100644
--- a/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
@@ -183,6 +183,7 @@ struct AAXClasses
         int32_t* bufferSize;
         int32_t* bypass;
         AAX_IMIDINode* midiNodeIn;
+        AAX_IMIDINode* midiNodeOut;
 
         PluginInstanceInfo* pluginInstance;
         int32_t* isPrepared;
@@ -197,6 +198,7 @@ struct AAXClasses
             bufferSize      = AAX_FIELD_INDEX (JUCEAlgorithmContext, bufferSize),
             bypass          = AAX_FIELD_INDEX (JUCEAlgorithmContext, bypass),
             midiNodeIn      = AAX_FIELD_INDEX (JUCEAlgorithmContext, midiNodeIn),
+            midiNodeOut     = AAX_FIELD_INDEX (JUCEAlgorithmContext, midiNodeOut),
             pluginInstance  = AAX_FIELD_INDEX (JUCEAlgorithmContext, pluginInstance),
             preparedFlag    = AAX_FIELD_INDEX (JUCEAlgorithmContext, isPrepared)
         };
@@ -503,7 +505,7 @@ struct AAXClasses
         }
 
         void process (const float* const* inputs, float* const* outputs, const int bufferSize,
-                      const bool bypass, AAX_IMIDINode* midiNodeIn)
+                      const bool bypass, AAX_IMIDINode* midiNodeIn, AAX_IMIDINode* midiNodeOut)
         {
             const int numIns  = pluginInstance->getNumInputChannels();
             const int numOuts = pluginInstance->getNumOutputChannels();
@@ -513,7 +515,7 @@ struct AAXClasses
                 for (int i = 0; i < numIns; ++i)
                     memcpy (outputs[i], inputs[i], bufferSize * sizeof (float));
 
-                process (outputs, numOuts, bufferSize, bypass, midiNodeIn);
+                process (outputs, numOuts, bufferSize, bypass, midiNodeIn, midiNoteOut);
             }
             else
             {
@@ -531,7 +533,7 @@ struct AAXClasses
                 for (int i = numOuts; i < numIns; ++i)
                     channels[i] = const_cast <float*> (inputs[i]);
 
-                process (channels, numIns, bufferSize, bypass, midiNodeIn);
+                process (channels, numIns, bufferSize, bypass, midiNodeIn, midiNoteOut);
             }
         }
 
@@ -566,7 +568,7 @@ struct AAXClasses
         };
 
         void process (float* const* channels, const int numChans, const int bufferSize,
-                      const bool bypass, AAX_IMIDINode* midiNodeIn)
+                      const bool bypass, AAX_IMIDINode* midiNodeIn, AAX_IMIDINode* midiNodeOut)
         {
             AudioSampleBuffer buffer (channels, numChans, bufferSize);
 
@@ -598,6 +600,31 @@ struct AAXClasses
                 else
                     pluginInstance->processBlock (buffer, midiBuffer);
             }
+
+           #if JucePlugin_ProducesMidiOutput
+            {
+                const juce::uint8* midiEventData;
+                int midiEventSize, midiEventPosition;
+                MidiBuffer::Iterator i (midiBuffer);
+
+                AAX_CMidiPacket packet;
+                packet.mIsImmediate = false;
+
+                while (i.getNextEvent (midiEventData, midiEventSize, midiEventPosition))
+                {
+                    jassert (isPositiveAndBelow (midiEventPosition, bufferSize));
+
+                    if (midiEventSize <= 4)
+                    {
+                        packet.mTimestamp   = (uint32_t) midiEventPosition;
+                        packet.mLength      = (uint32_t) midiEventSize;
+                        memcpy (packet.mData, midiEventData, midiEventSize);
+
+                        check (midiNodeOut->PostMIDIPacket (&packet));
+                    }
+                }
+            }
+           #endif
         }
 
         void addBypassParameter()
@@ -689,7 +716,7 @@ struct AAXClasses
 
             i.pluginInstance->parameters.process (i.inputChannels, i.outputChannels,
                                                   *(i.bufferSize), *(i.bypass) != 0,
-                                                  i.midiNodeIn);
+                                                  i.midiNodeIn, i.midiNodeOut);
         }
     }
 
@@ -707,6 +734,11 @@ struct AAXClasses
                                  JucePlugin_Name, 0xffff));
        #endif
 
+       #if JucePlugin_ProducesMidiOutput
+        check (desc.AddMIDINode (JUCEAlgorithmIDs::midiNodeOut, AAX_eMIDINodeType_LocalOutput,
+                                 JucePlugin_Name " Out", 0xffff));
+       #endif
+
         check (desc.AddPrivateData (JUCEAlgorithmIDs::pluginInstance, sizeof (PluginInstanceInfo)));
 
         // Create a property map