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-rw-r--r--src/libs/engine/AlsaMidiDriver.h119
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diff --git a/src/libs/engine/AlsaMidiDriver.h b/src/libs/engine/AlsaMidiDriver.h
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--- a/src/libs/engine/AlsaMidiDriver.h
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-/* 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 ALSAMIDIDRIVER_H
-#define ALSAMIDIDRIVER_H
-
-#include <boost/utility.hpp>
-#include <alsa/asoundlib.h>
-#include <raul/List.h>
-#include <raul/SRSWQueue.h>
-#include "MidiDriver.h"
-
-
-namespace Ingen {
-
-class Node;
-class SetPortValueEvent;
-class AlsaMidiDriver;
-class AudioDriver;
-class DuplexPort;
-
-static const int MAX_MIDI_EVENT_SIZE = 3;
-
-
-/** Representation of an ALSA MIDI port.
- *
- * \ingroup engine
- */
-class AlsaMidiPort : public DriverPort, public Raul::ListNode<AlsaMidiPort*>
-{
-public:
- AlsaMidiPort(AlsaMidiDriver* driver, DuplexPort* port);
- virtual ~AlsaMidiPort();
-
- void event(snd_seq_event_t* const ev);
-
- void prepare_block(const SampleCount block_start, const SampleCount block_end);
-
- void set_name(const std::string& name);
-
- int port_id() const { return _port_id; }
- DuplexPort* patch_port() const { return _patch_port; }
-
-private:
- AlsaMidiDriver* _driver;
- DuplexPort* _patch_port;
- int _port_id;
- unsigned char** _midi_pool; ///< Pool of raw MIDI events for MidiMessage::buffer
- Raul::SRSWQueue<snd_seq_event_t> _events;
-};
-
-
-/** Alsa MIDI driver.
- *
- * This driver reads Alsa MIDI events and dispatches them to the appropriate
- * AlsaMidiPort for processing.
- *
- * \ingroup engine
- */
-class AlsaMidiDriver : public MidiDriver
-{
-public:
- AlsaMidiDriver(AudioDriver* audio_driver);
- ~AlsaMidiDriver();
-
- void activate();
- void deactivate();
-
- bool is_activated() const { return _is_activated; }
-
- void prepare_block(const SampleCount block_start, const SampleCount block_end);
-
- AudioDriver* audio_driver() { return _audio_driver; }
-
- DriverPort* create_port(DuplexPort* patch_port)
- { return new AlsaMidiPort(this, patch_port); }
-
- void add_port(DriverPort* port);
- DriverPort* remove_port(const Raul::Path& path);
-
- snd_seq_t* seq_handle() const { return _seq_handle; }
- snd_midi_event_t* event_coder() const { return _event_coder; }
-
-private:
- Raul::List<AlsaMidiPort*> _in_ports;
- Raul::List<AlsaMidiPort*> _out_ports;
-
- friend class AlsaMidiPort;
-
- // MIDI thread
- static void* process_midi_in(void* me);
-
- AudioDriver* _audio_driver;
- snd_seq_t* _seq_handle;
- snd_midi_event_t* _event_coder;
- pthread_t _process_thread;
- bool _is_activated;
- static bool _midi_thread_exit_flag;
-};
-
-
-} // namespace Ingen
-
-
-#endif // ALSAMIDIDRIVER_H