From 161d33090fdf8db67aa8c3a84b2cea01d8b9ac9e Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 20 May 2008 03:55:46 +0000
Subject: Write individual events from UIs over OSC instead of entire event
 buffer.

git-svn-id: http://svn.drobilla.net/lad/ingen@1221 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/client/PluginUI.cpp    | 37 ++++++++++++++++++++++++++++---------
 src/libs/engine/EventBuffer.cpp |  1 -
 src/libs/engine/InputPort.cpp   | 13 ++++++++-----
 3 files changed, 36 insertions(+), 15 deletions(-)

(limited to 'src')

diff --git a/src/libs/client/PluginUI.cpp b/src/libs/client/PluginUI.cpp
index 9dcbfcba..c7c3ffc5 100644
--- a/src/libs/client/PluginUI.cpp
+++ b/src/libs/client/PluginUI.cpp
@@ -16,6 +16,7 @@
  */
 
 #include <iostream>
+#include "lv2ext/lv2_event_helpers.h"
 #include "shared/LV2URIMap.hpp"
 #include "PluginUI.hpp"
 #include "NodeModel.hpp"
@@ -35,10 +36,8 @@ lv2_ui_write(LV2UI_Controller controller,
              uint32_t         format,
              const void*      buffer)
 {
-#if 0
-	cerr << "********* LV2 UI WRITE (FORMAT " << format << "):" << endl;
-	/*lv2_osc_message_print((const LV2Message*)buffer);*/
-
+	/*
+	cerr << "lv2_ui_write (format " << format << "):" << endl;
 	fprintf(stderr, "RAW:\n");
 	for (uint32_t i=0; i < buffer_size; ++i) {
 		unsigned char byte = ((unsigned char*)buffer)[i];
@@ -48,7 +47,7 @@ lv2_ui_write(LV2UI_Controller controller,
 			fprintf(stderr, "%2X ", ((unsigned char*)buffer)[i]);
 	}
 	fprintf(stderr, "\n");
-#endif
+	*/
 
 	PluginUI* ui = (PluginUI*)controller;
 
@@ -57,15 +56,35 @@ lv2_ui_write(LV2UI_Controller controller,
 	LV2URIMap* map = (LV2URIMap*)ui->world()->lv2_features->feature(LV2_URI_MAP_URI);
 	assert(map);
 
-	if (format == 0) { // float (special case)
+	// float (special case, always 0)
+	if (format == 0) {
 		assert(buffer_size == 4);
 		if (*(float*)buffer == port->value().get_float())
 			return; // do nothing (handle stupid plugin UIs that feed back)
+	
+		ui->world()->engine->set_port_value_immediate(port->path(),
+				port->type().uri(), 
+				buffer_size, buffer);
+
+	// FIXME: assumes event
+	} else {
+		LV2_Event_Buffer* buf = (LV2_Event_Buffer*)buffer;
+		LV2_Event_Iterator iter;
+		uint8_t* data;
+		lv2_event_begin(&iter, buf);
+		while (lv2_event_is_valid(&iter)) {
+			LV2_Event* const ev = lv2_event_get(&iter, &data);
+		
+			// FIXME: bundle multiple events
+			ui->world()->engine->set_port_value_immediate(port->path(),
+				port->type().uri(), 
+				ev->size, data);
+
+			lv2_event_increment(&iter);
+		}
 	}
 		
-	ui->world()->engine->set_port_value_immediate(port->path(),
-			port->type().uri(), 
-			buffer_size, buffer);
+
 }
 
 	
diff --git a/src/libs/engine/EventBuffer.cpp b/src/libs/engine/EventBuffer.cpp
index d11989ab..c9b4f249 100644
--- a/src/libs/engine/EventBuffer.cpp
+++ b/src/libs/engine/EventBuffer.cpp
@@ -102,7 +102,6 @@ void
 EventBuffer::prepare_read(SampleCount nframes)
 {
 	//cerr << "\t" << this << " prepare_read: " << event_count() << endl;
-
 	rewind();
 	_this_nframes = nframes;
 }
diff --git a/src/libs/engine/InputPort.cpp b/src/libs/engine/InputPort.cpp
index 6e216384..7a90bc21 100644
--- a/src/libs/engine/InputPort.cpp
+++ b/src/libs/engine/InputPort.cpp
@@ -20,6 +20,7 @@
 #include <cstdlib>
 #include <cassert>
 #include "AudioBuffer.hpp"
+#include "EventBuffer.hpp"
 #include "ConnectionImpl.hpp"
 #include "OutputPort.hpp"
 #include "NodeImpl.hpp"
@@ -184,17 +185,19 @@ InputPort::pre_process(ProcessContext& context)
 	
 	/*cerr << path() << " poly = " << _poly << ", mixdown: " << do_mixdown
 		<< ", fixed buffers: " << _fixed_buffers << ", joined: " << _buffers->at(0)->is_joined()
-		<< " to " << _buffers->at(0)->joined_buffer() << endl;
+		<< " to " << _buffers->at(0)->joined_buffer() << endl;*/
 	
-	if (type() == DataType::MIDI) 
+	/*if (type() == DataType::EVENT) 
 		for (uint32_t i=0; i < _poly; ++i)
-			cerr << path() << " (" << buffer(i) << ") # events: " << ((MidiBuffer*)buffer(i))->event_count() << ", joined: " << _buffers->at(i)->is_joined() << endl;*/
+			cerr << path() << " (" << buffer(i) << ") # events: "
+				<< ((EventBuffer*)buffer(i))->event_count()
+				<< ", joined: " << _buffers->at(i)->is_joined() << endl;*/
 
 	if (!do_mixdown) {
-/*#ifndef NDEBUG
+		/*#ifndef NDEBUG
 		for (uint32_t i=0; i < _poly; ++i)
 			assert(buffer(i) == (*_connections.begin())->buffer(i));
-#endif*/
+		#endif*/
 		return;
 	}
 
-- 
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