Fix LV2 dynamic poly crash.

Update client-side patch model on polyphony change.


git-svn-id: http://svn.drobilla.net/lad/ingen@726 a436a847-0d15-0410-975c-d299462d15a1

5 files changed, 18 insertions, 2 deletions

diff --git a/src/libs/engine/AudioBuffer.hpp b/src/libs/engine/AudioBuffer.hpp
index d0379895..de9fc4a6 100644
--- a/src/libs/engine/AudioBuffer.hpp
+++ b/src/libs/engine/AudioBuffer.hpp
@@ -46,6 +46,9 @@ public:
 	/** For driver use only!! */
 	void set_data(Sample* data);
 	
+	inline void* raw_data() const
+		{ return ((_joined_buf != NULL) ? _joined_buf->raw_data() : _data); }
+	
 	inline Sample* data() const
 		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _data); }
 	
diff --git a/src/libs/engine/Buffer.hpp b/src/libs/engine/Buffer.hpp
index bdca2c07..4a79c482 100644
--- a/src/libs/engine/Buffer.hpp
+++ b/src/libs/engine/Buffer.hpp
@@ -39,6 +39,8 @@ public:
 	
 	/** Clear contents and reset state */
 	virtual void clear() = 0;
+	
+	virtual void* raw_data() const = 0;
 
 	/** Rewing (ie reset read pointer), but leave contents unchanged */
 	virtual void rewind() const = 0;
diff --git a/src/libs/engine/LV2Node.cpp b/src/libs/engine/LV2Node.cpp
index 8ecd00b7..7e56c64d 100644
--- a/src/libs/engine/LV2Node.cpp
+++ b/src/libs/engine/LV2Node.cpp
@@ -61,7 +61,7 @@ LV2Node::prepare_poly(uint32_t poly)
 	
 	_prepared_poly = poly;
 	_prepared_instances = new Raul::Array<SLV2Instance>(_prepared_poly, *_instances);
-	for (uint32_t i=_poly; i < _prepared_poly; ++i) {
+	for (uint32_t i = _poly; i < _prepared_poly; ++i) {
 		_prepared_instances->at(i) = slv2_plugin_instantiate(_lv2_plugin, _srate, NULL);
 		if ((*_prepared_instances)[i] == NULL) {
 			cerr << "Failed to instantiate plugin!" << endl;
@@ -82,9 +82,15 @@ LV2Node::apply_poly(Raul::Maid& maid, uint32_t poly)
 	assert(poly <= _prepared_poly);
 
 	NodeBase::apply_poly(maid, poly);
-
+	
 	maid.push(_instances);
 	_instances = _prepared_instances;
+	
+	for (uint32_t port=0; port < num_ports(); ++port)
+		for (uint32_t voice = _poly; voice < _prepared_poly; ++voice)
+			slv2_instance_connect_port((*_instances)[voice], port,
+					_ports->at(port)->buffer(voice)->raw_data());
+
 	_poly = poly;
 	_prepared_instances = NULL;
 	
diff --git a/src/libs/engine/MidiBuffer.hpp b/src/libs/engine/MidiBuffer.hpp
index 87504833..15548625 100644
--- a/src/libs/engine/MidiBuffer.hpp
+++ b/src/libs/engine/MidiBuffer.hpp
@@ -42,6 +42,9 @@ public:
 	uint32_t event_count() const { return _buf->event_count; }
 	
 	inline LV2_MIDI* local_data() { return _local_buf; }
+	
+	inline void* raw_data() const
+		{ return ((_joined_buf != NULL) ? _joined_buf->raw_data() : _buf); }
 
 	inline LV2_MIDI* data()
 		{ return ((_joined_buf != NULL) ? _joined_buf->data() : _buf); }
diff --git a/src/libs/engine/OSCBuffer.hpp b/src/libs/engine/OSCBuffer.hpp
index 7e1bc451..1d3758e5 100644
--- a/src/libs/engine/OSCBuffer.hpp
+++ b/src/libs/engine/OSCBuffer.hpp
@@ -37,6 +37,8 @@ public:
 
 	void prepare_read(SampleCount nframes);
 	void prepare_write(SampleCount nframes);
+	
+	void* raw_data() const { return _buf; }
 
 	bool is_joined_to(Buffer* buf) const;
 	bool join(Buffer* buf);