1 files changed, 116 insertions, 0 deletions
diff --git a/src/AlsaDriver.hpp b/src/AlsaDriver.hpp
new file mode 100644
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--- /dev/null
+++ b/src/AlsaDriver.hpp
@@ -0,0 +1,116 @@
+/* This file is part of Patchage.
+ * Copyright 2007-2014 David Robillard <http://drobilla.net>
+ *
+ * Patchage 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 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Patchage 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 Patchage.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PATCHAGE_ALSADRIVER_HPP
+#define PATCHAGE_ALSADRIVER_HPP
+
+#include <queue>
+#include <set>
+#include <string>
+#include <map>
+
+#include <alsa/asoundlib.h>
+#include <pthread.h>
+
+#include "Driver.hpp"
+#include "PatchageModule.hpp"
+
+class Patchage;
+class PatchagePort;
+
+/** Handles all externally driven functionality, registering ports etc.
+ */
+class AlsaDriver : public Driver
+{
+public:
+	explicit AlsaDriver(Patchage* app);
+	~AlsaDriver();
+
+	void attach(bool launch_daemon = false);
+	void detach();
+
+	bool is_attached() const { return (_seq != NULL); }
+
+	void refresh();
+	void destroy_all();
+
+	PatchagePort* create_port_view(
+			Patchage*     patchage,
+			const PortID& id);
+
+	bool connect(PatchagePort* src_port,
+	             PatchagePort* dst_port);
+
+	bool disconnect(PatchagePort* src_port,
+	                PatchagePort* dst_port);
+
+	void print_addr(snd_seq_addr_t addr);
+
+	void process_events(Patchage* app);
+
+private:
+	bool         create_refresh_port();
+	static void* refresh_main(void* me);
+	void         _refresh_main();
+
+	PatchageModule* find_module(uint8_t client_id, ModuleType type);
+
+	PatchageModule*
+	find_or_create_module(
+			Patchage*          patchage,
+			uint8_t            client_id,
+			const std::string& client_name,
+			ModuleType         type);
+
+	void
+	create_port_view_internal(
+			Patchage*        patchage,
+			snd_seq_addr_t   addr,
+			PatchageModule*& parent,
+			PatchagePort*&   port);
+
+	PatchagePort* create_port(
+		PatchageModule&    parent,
+		const std::string& name,
+		bool               is_input,
+		snd_seq_addr_t     addr);
+
+	Patchage*  _app;
+	snd_seq_t* _seq;
+	pthread_t  _refresh_thread;
+
+	Glib::Mutex               _events_mutex;
+	std::queue<PatchageEvent> _events;
+
+	struct SeqAddrComparator {
+		bool operator() (const snd_seq_addr_t& a, const snd_seq_addr_t& b) const {
+			return ((a.client < b.client) || ((a.client == b.client) && a.port < b.port));
+		}
+	};
+
+	typedef std::set<snd_seq_addr_t, SeqAddrComparator> Ignored;
+	Ignored _ignored;
+
+	typedef std::multimap<uint8_t, PatchageModule*> Modules;
+	Modules _modules;
+
+	typedef std::map<PatchagePort*, PortID> PortAddrs;
+	PortAddrs _port_addrs;
+
+	bool ignore(const snd_seq_addr_t& addr, bool add=true);
+};
+
+#endif // PATCHAGE_ALSADRIVER_HPP