Update waf configuration header for new waf scheme (in 1.5.6).

Split low-level LV2 event buffer into separate class from EventBuffer (for reuse).


git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1958 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 79 insertions, 0 deletions

diff --git a/src/engine/LV2EventBuffer.hpp b/src/engine/LV2EventBuffer.hpp
new file mode 100644
index 00000000..7e60dff0
--- /dev/null
+++ b/src/engine/LV2EventBuffer.hpp
@@ -0,0 +1,79 @@
+/* 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
+ */
+
+#ifndef LV2EVENTBUFFER_H
+#define LV2EVENTBUFFER_H
+
+#include "lv2ext/lv2_event.h"
+#include "lv2ext/lv2_event_helpers.h"
+
+namespace Ingen {
+
+
+class LV2EventBuffer {
+public:
+	LV2EventBuffer(size_t capacity);
+	~LV2EventBuffer();
+
+	inline LV2_Event_Buffer*       data()       { return _data; }
+	inline const LV2_Event_Buffer* data() const { return _data; }
+	
+	inline void rewind() const { lv2_event_begin(&_iter, _data); }
+	
+	inline void reset() {
+		_latest_frames = 0;
+		_latest_subframes = 0;
+		_data->event_count = 0;
+		_data->size = 0;
+		rewind();
+	}
+	
+	inline size_t   event_count()      const { return _data->event_count; }
+	inline uint32_t capacity()         const { return _data->capacity; }
+	inline uint32_t size()             const { return _data->size; }
+	inline uint32_t latest_frames()    const { return _latest_frames; }
+	inline uint32_t latest_subframes() const { return _latest_subframes; }
+
+	bool increment() const;
+
+	bool is_valid() const;
+
+	bool get_event(uint32_t* frames,
+	               uint32_t* subframes,
+	               uint16_t* type,
+	               uint16_t* size,
+	               uint8_t** data) const;
+
+	bool append(uint32_t       frames,
+	            uint32_t       subframes,
+	            uint16_t       type,
+	            uint16_t       size,
+	            const uint8_t* data);
+
+	bool append(const LV2_Event_Buffer* buf);
+
+private:
+	LV2_Event_Buffer*          _data;              ///< Contents
+	mutable LV2_Event_Iterator _iter;             ///< Iterator into _data
+	uint32_t                   _latest_frames;    ///< Latest time of all events (frames)
+	uint32_t                   _latest_subframes; ///< Latest time of all events (subframes)
+};
+
+
+} // namespace Ingen
+
+#endif // LV2EVENTBUFFER_H