From 6eec851cda92e1030173dbfd613c44883ced6816 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 9 Apr 2007 01:01:50 +0000
Subject: MIDI patching.  wooo!

git-svn-id: http://svn.drobilla.net/lad/ingen@429 a436a847-0d15-0410-975c-d299462d15a1
---
 src/common/lv2ext/lv2-midifunctions.h |  2 +-
 src/libs/engine/LV2Node.cpp           | 13 +++++++++----
 src/libs/engine/MidiBuffer.cpp        | 20 ++++++++++++++++++--
 src/libs/engine/MidiBuffer.h          | 23 ++++++-----------------
 4 files changed, 34 insertions(+), 24 deletions(-)

(limited to 'src')

diff --git a/src/common/lv2ext/lv2-midifunctions.h b/src/common/lv2ext/lv2-midifunctions.h
index 0d309853..0f47ca5d 100644
--- a/src/common/lv2ext/lv2-midifunctions.h
+++ b/src/common/lv2ext/lv2-midifunctions.h
@@ -52,7 +52,7 @@ typedef struct {
 } LV2_MIDIState;
 
 
-static LV2_MIDI* lv2midi_new(uint32_t capacity)
+inline static LV2_MIDI* lv2midi_new(uint32_t capacity)
 {
 	LV2_MIDI* midi = (LV2_MIDI*)malloc(sizeof(LV2_MIDI));
 
diff --git a/src/libs/engine/LV2Node.cpp b/src/libs/engine/LV2Node.cpp
index 4ea29d1f..459d3c78 100644
--- a/src/libs/engine/LV2Node.cpp
+++ b/src/libs/engine/LV2Node.cpp
@@ -93,7 +93,9 @@ LV2Node::instantiate()
 		
 		SLV2PortClass port_class = slv2_port_get_class(_lv2_plugin, id);
 
-		if (port_class == SLV2_AUDIO_INPUT || port_class == SLV2_AUDIO_OUTPUT)
+		// FIXME: MIDI buffer size?
+		if (port_class == SLV2_AUDIO_INPUT || port_class == SLV2_AUDIO_OUTPUT
+				|| port_class == SLV2_MIDI_INPUT || port_class == SLV2_MIDI_OUTPUT)
 			port_buffer_size = _buffer_size;
 		else
 			port_buffer_size = 1;
@@ -184,10 +186,13 @@ LV2Node::set_port_buffer(size_t voice, size_t port_num, Buffer* buf)
 {
 	assert(voice < _poly);
 	
-	if (buf->type() == DataType::FLOAT)
+	if (buf->type() == DataType::FLOAT) {
 		slv2_instance_connect_port(_instances[voice], port_num, ((AudioBuffer*)buf)->data());
-	else if (buf->type() == DataType::MIDI)
-		slv2_instance_connect_port(_instances[voice], port_num, ((MidiBuffer*)buf)->data()->midi);
+	} else if (buf->type() == DataType::MIDI) { 
+		cerr << "Connecting " << path() << ":" << port_num << " -> " <<
+			((MidiBuffer*)buf)->data() << endl;
+		slv2_instance_connect_port(_instances[voice], port_num, ((MidiBuffer*)buf)->data());
+	}
 }
 
 
diff --git a/src/libs/engine/MidiBuffer.cpp b/src/libs/engine/MidiBuffer.cpp
index 3dcb7b4c..9842b28c 100644
--- a/src/libs/engine/MidiBuffer.cpp
+++ b/src/libs/engine/MidiBuffer.cpp
@@ -15,13 +15,29 @@
  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-//#include <iostream>
+#include <iostream>
 #include "MidiBuffer.h"
 
 using namespace std;
 
 namespace Ingen {
 
+MidiBuffer::MidiBuffer(size_t capacity)
+	: Buffer(DataType(DataType::MIDI), capacity)
+	, _buf(lv2midi_new((uint32_t)capacity))
+	, _joined_buf(NULL)
+{
+	_local_state.midi = _buf;
+	_state = &_local_state;
+	assert(_local_state.midi);
+	reset(0);
+	clear();
+	assert(_local_state.midi == _buf);
+
+	cerr << "Creating MIDI Buffer " << _buf << ", capacity = " << _buf->capacity << endl;
+}
+
+
 
 /** Use another buffer's data instead of the local one.
  *
@@ -38,7 +54,7 @@ MidiBuffer::join(Buffer* buf)
 	
 	_joined_buf = mbuf;
 	
-	_state = mbuf->data();
+	_state = mbuf->_state;
 
 	return true;
 }
diff --git a/src/libs/engine/MidiBuffer.h b/src/libs/engine/MidiBuffer.h
index 79f7098b..54a245df 100644
--- a/src/libs/engine/MidiBuffer.h
+++ b/src/libs/engine/MidiBuffer.h
@@ -27,19 +27,8 @@ namespace Ingen {
 
 class MidiBuffer : public Buffer {
 public:
-	MidiBuffer(size_t capacity)
-		: Buffer(DataType(DataType::MIDI), capacity)
-		, _buf(lv2midi_new((uint32_t)capacity))
-		, _joined_buf(NULL)
-	{
-		_local_state.midi = _buf;
-		_state = &_local_state;
-		assert(_local_state.midi);
-		reset(0);
-		clear();
-		assert(_local_state.midi == _buf);
-	}
-
+	MidiBuffer(size_t capacity);
+	
 	~MidiBuffer() { lv2midi_free(_local_state.midi); }
 
 	void prepare_read(SampleCount nframes);
@@ -51,11 +40,11 @@ public:
 
 	uint32_t this_nframes() const { return _this_nframes; }
 	
-	inline LV2_MIDIState* data()
-		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _state); }
+	inline LV2_MIDI* data()
+		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _state->midi); }
 	
-	inline const LV2_MIDIState* data() const
-		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _state); }
+	inline const LV2_MIDI* data() const
+		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _state->midi); }
 
 	inline void clear()
 		{ assert(_state); assert(_state->midi); lv2midi_reset_buffer(_state->midi); _state->position = 0; }
-- 
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