From a6fb6a0289ea47692d87f3e0200532a426f8e60d Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 28 Jul 2008 21:56:03 +0000
Subject: Simply global memory management crap by using shared_ptr in the World
 struct (it's not C anyway, might as well). Properly support LV2 events from
 plugin UIs over OSC and directly (w/ monolithic UI/engine). Fix crashes on
 node destruction with monolithic UI/engine. Resolves ticket #177.

git-svn-id: http://svn.drobilla.net/lad/ingen@1293 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/engine/EventBuffer.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'src/libs/engine/EventBuffer.cpp')

diff --git a/src/libs/engine/EventBuffer.cpp b/src/libs/engine/EventBuffer.cpp
index 9985e2b7..dfeff610 100644
--- a/src/libs/engine/EventBuffer.cpp
+++ b/src/libs/engine/EventBuffer.cpp
@@ -178,6 +178,9 @@ EventBuffer::append(uint32_t       frames,
 	}
 #endif
 
+	/*cout << "Appending event type " << type << ", size " << size
+		<< " @ " << frames << "." << subframes << endl;*/
+
 	bool ret = lv2_event_write(&_iter, frames, subframes, type, size, data);
 	
 	if (!ret)
@@ -190,6 +193,43 @@ EventBuffer::append(uint32_t       frames,
 }
 
 
+/** Append a buffer of events to the buffer.
+ *
+ * \a timestamp must be >= the latest event in the buffer,
+ * and < this_nframes()
+ *
+ * \return true on success
+ */
+bool
+EventBuffer::append(const LV2_Event_Buffer* buf)
+{
+	uint8_t** data;
+	bool      ret = true;
+
+	LV2_Event_Iterator iter;
+	for (lv2_event_begin(&iter, _buf); lv2_event_is_valid(&iter); lv2_event_increment(&iter)) {
+		LV2_Event* ev = lv2_event_get(&iter, data);
+
+#ifndef NDEBUG
+		assert((ev->frames > _latest_frames)
+				|| (ev->frames == _latest_frames
+					&& ev->subframes >= _latest_subframes));
+#endif
+
+		if (!(ret = append(ev->frames, ev->subframes, ev->type, ev->size, *data))) {
+			cerr << "ERROR: Failed to write event." << endl;
+			break;
+		} else {
+		}
+
+		_latest_frames = ev->frames;
+		_latest_subframes = ev->subframes;
+	}
+	
+	return ret;
+}
+
+
 /** Read an event from the current position in the buffer
  * 
  * \return true if read was successful, or false if end of buffer reached
-- 
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