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author | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
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committer | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
commit | 98fe0e7056e6697396249531785d3899f94d79be (patch) | |
tree | 233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/libs/engine/JackMidiDriver.h | |
parent | 6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff) | |
download | ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.gz ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.bz2 ingen-98fe0e7056e6697396249531785d3899f94d79be.zip |
More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/JackMidiDriver.h')
-rw-r--r-- | src/libs/engine/JackMidiDriver.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/libs/engine/JackMidiDriver.h b/src/libs/engine/JackMidiDriver.h new file mode 100644 index 00000000..950d382f --- /dev/null +++ b/src/libs/engine/JackMidiDriver.h @@ -0,0 +1,123 @@ +/* This file is part of Om. Copyright (C) 2006 Dave Robillard. + * + * Om 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. + * + * Om 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef JACKMIDIDRIVER_H +#define JACKMIDIDRIVER_H + +#include <jack/jack.h> +#include <jack/midiport.h> +#include "config.h" +#include "List.h" +#include "util/Queue.h" +#include "MidiDriver.h" + +namespace Om { + +class Node; +class SetPortValueEvent; +class JackMidiDriver; +template <typename T> class PortBase; + + +/** Representation of an JACK MIDI port. + * + * \ingroup engine + */ +class JackMidiPort : public DriverPort, public ListNode<JackMidiPort*> +{ +public: + JackMidiPort(JackMidiDriver* driver, PortBase<MidiMessage>* port); + virtual ~JackMidiPort(); + + void prepare_block(const samplecount block_start, const samplecount block_end); + + void add_to_driver(); + void remove_from_driver(); + void set_name(const string& name) { jack_port_set_name(m_jack_port, name.c_str()); }; + + PortBase<MidiMessage>* patch_port() const { return m_patch_port; } + +private: + // Prevent copies (undefined) + JackMidiPort(const JackMidiPort&); + JackMidiPort& operator=(const JackMidiPort&); + + JackMidiDriver* m_driver; + jack_port_t* m_jack_port; + PortBase<MidiMessage>* m_patch_port; +}; + + +/** Jack MIDI driver. + * + * This driver reads Jack MIDI events and dispatches them to the appropriate + * JackMidiPort for processing. + * + * \ingroup engine + */ +class JackMidiDriver : public MidiDriver +{ +public: + JackMidiDriver(jack_client_t* client); + ~JackMidiDriver(); + + void activate(); + void deactivate(); + void enable() { m_is_enabled = true; } + void disable() { m_is_enabled = false; } + + bool is_activated() const { return m_is_activated; } + bool is_enabled() const { return m_is_enabled; } + + void prepare_block(const samplecount block_start, const samplecount block_end); + + JackMidiPort* create_port(PortBase<MidiMessage>* patch_port) + { return new JackMidiPort(this, patch_port); } + + jack_client_t* jack_client() { return m_client; } + +private: + // Prevent copies (undefined) + JackMidiDriver(const JackMidiDriver&); + JackMidiDriver& operator=(const JackMidiDriver&); + + List<JackMidiPort*> m_in_ports; + List<JackMidiPort*> m_out_ports; + + friend class JackMidiPort; + + // Functions for JackMidiPort + void add_port(JackMidiPort* port); + JackMidiPort* remove_port(JackMidiPort* port); + + void add_output(ListNode<JackMidiPort*>* port); + ListNode<JackMidiPort*>* remove_output(JackMidiPort* port); + + // MIDI thread + static void* process_midi_in(void* me); + + jack_client_t* m_client; + pthread_t m_process_thread; + bool m_is_activated; + bool m_is_enabled; + static bool m_midi_thread_exit_flag; +}; + + +} // namespace Om + + +#endif // JACKMIDIDRIVER_H |