Paul Davis
77cc0f7cc8
git-svn-id: svn://localhost/ardour2/branches/3.0@6411 d708f5d6-7413-0410-9779-e7cbd77b26cf
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Written by Dave Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: jack.h 4 2005-05-13 20:47:18Z taybin $
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*/
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#ifndef __jack_midiport_h__
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#define __jack_midiport_h__
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#include <vector>
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#include <string>
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#include <fcntl.h>
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#include <unistd.h>
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#include <glibmm/thread.h>
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#include <jack/jack.h>
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#include <jack/midiport.h>
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#include "pbd/ringbuffer.h"
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#include "pbd/signals.h"
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#include "pbd/crossthread.h"
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#include "evoral/EventRingBuffer.hpp"
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#include "midi++/port.h"
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#include "midi++/event.h"
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namespace MIDI
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{
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class JACK_MidiPort : public Port
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{
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public:
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JACK_MidiPort (const XMLNode& node, jack_client_t* jack_client);
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virtual ~JACK_MidiPort ();
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int write(byte *msg, size_t msglen, timestamp_t timestamp);
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int read(byte *buf, size_t max);
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int selectable() const { return xthread.selectable(); }
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bool must_drain_selectable() const { return true; }
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void cycle_start(nframes_t nframes);
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void cycle_end();
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static std::string typestring;
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XMLNode& get_state () const;
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void set_state (const XMLNode&);
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static void set_process_thread (pthread_t);
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static pthread_t get_process_thread () { return _process_thread; }
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static bool is_process_thread();
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nframes_t nframes_this_cycle() const { return _nframes_this_cycle; }
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static PBD::Signal0<void> MakeConnections;
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static PBD::Signal0<void> JackHalted;
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protected:
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std::string get_typestring () const {
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return typestring;
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}
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private:
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int create_ports(const XMLNode&);
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jack_client_t* _jack_client;
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jack_port_t* _jack_input_port;
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jack_port_t* _jack_output_port;
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nframes_t _last_read_index;
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timestamp_t _last_write_timestamp;
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CrossThreadChannel xthread;
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std::string _inbound_connections;
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std::string _outbound_connections;
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PBD::Connection connect_connection;
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PBD::Connection halt_connection;
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void flush (void* jack_port_buffer);
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void jack_halted ();
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void make_connections();
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static pthread_t _process_thread;
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RingBuffer< Evoral::Event<double> > output_fifo;
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Evoral::EventRingBuffer<timestamp_t> input_fifo;
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Glib::Mutex output_fifo_lock;
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};
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} /* namespace MIDI */
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#endif // __jack_midiport_h__
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