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authorDavid Robillard <d@drobilla.net>2012-11-16 04:26:45 +0000
committerDavid Robillard <d@drobilla.net>2012-11-16 04:26:45 +0000
commite5943aa05fd46771f1ff7009c8971f1294c9d791 (patch)
tree828fb9156f373149883a81dd0638991b0b9ba851 /src/server/internals/Time.hpp
parentefd2fb1315413bb456cf5a7dc9a61513e15c8035 (diff)
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Add time internal that sends Jack transport updates as LV2 time positions.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4819 a436a847-0d15-0410-975c-d299462d15a1
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+/*
+ This file is part of Ingen.
+ Copyright 2007-2012 David Robillard <http://drobilla.net/>
+
+ Ingen is free software: you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with Ingen. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_INTERNALS_TIME_HPP
+#define INGEN_INTERNALS_TIME_HPP
+
+#include "BlockImpl.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class InputPort;
+class OutputPort;
+class InternalPlugin;
+
+namespace Internals {
+
+/** Time information block.
+ *
+ * This sends messages whenever the transport speed or tempo changes.
+ *
+ * \ingroup engine
+ */
+class TimeNode : public BlockImpl
+{
+public:
+ TimeNode(InternalPlugin* plugin,
+ BufferFactory& bufs,
+ const Raul::Symbol& symbol,
+ bool polyphonic,
+ GraphImpl* parent,
+ SampleRate srate);
+
+ void process(ProcessContext& context);
+
+ static InternalPlugin* internal_plugin(URIs& uris);
+
+private:
+ OutputPort* _notify_port;
+};
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Internals
+
+#endif // INGEN_INTERNALS_TIME_HPP