From e2cfcb6288b000abccb15831e9dde8b8283eb36e Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 23 Jul 2007 02:33:55 +0000
Subject: Removed glib dependency from LV2 OSC code. Made LV2 OSC code C++
 safe. Preliminary work on OSC patching in Ingen. Added LV2 OSC printing stuff
 to repository. Broke building Ingen separately.  Whatever.

git-svn-id: http://svn.drobilla.net/lad/ingen@599 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/engine/OSCBuffer.cpp | 105 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 src/libs/engine/OSCBuffer.cpp

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

diff --git a/src/libs/engine/OSCBuffer.cpp b/src/libs/engine/OSCBuffer.cpp
new file mode 100644
index 00000000..75201a30
--- /dev/null
+++ b/src/libs/engine/OSCBuffer.cpp
@@ -0,0 +1,105 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include "OSCBuffer.h"
+
+using namespace std;
+
+namespace Ingen {
+
+OSCBuffer::OSCBuffer(size_t capacity)
+	: Buffer(DataType(DataType::OSC), capacity)
+	, _buf(lv2_osc_buffer_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 OSC Buffer " << _buf << ", capacity = " << _buf->capacity << endl;
+}
+
+
+
+/** Use another buffer's data instead of the local one.
+ *
+ * This buffer will essentially be identical to @a buf after this call.
+ */
+bool
+OSCBuffer::join(Buffer* buf)
+{
+	OSCBuffer* mbuf = dynamic_cast<OSCBuffer*>(buf);
+	if (!mbuf)
+		return false;
+
+	//assert(mbuf->size() == _size);
+	
+	_joined_buf = mbuf;
+	
+	//_state = mbuf->_state;
+
+	return true;
+}
+
+	
+void
+OSCBuffer::unjoin()
+{
+	_joined_buf = NULL;
+	//_state = &_local_state;
+	//_state->midi = _buf;
+
+	clear();
+	reset(_this_nframes);
+}
+
+
+bool
+OSCBuffer::is_joined_to(Buffer* buf) const
+{
+	OSCBuffer* mbuf = dynamic_cast<OSCBuffer*>(buf);
+	if (mbuf)
+		return (data() == mbuf->data());
+
+	return false;
+}
+
+
+void
+OSCBuffer::prepare_read(SampleCount nframes)
+{
+	assert(!_joined_buf || data() == _joined_buf->data());
+	
+	reset(nframes);
+}
+
+
+void
+OSCBuffer::prepare_write(SampleCount nframes)
+{
+	clear();
+	reset(nframes);
+
+	assert(!_joined_buf || data() == _joined_buf->data());
+}
+
+
+} // namespace Ingen
-- 
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