142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
/*
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* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
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*
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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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*
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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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*
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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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*/
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#ifndef WINMME_MIDI_IO_H
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#define WINMME_MIDI_IO_H
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#include <map>
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#include <vector>
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#include <string>
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#include <stdint.h>
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#include <pthread.h>
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#include <boost/shared_ptr.hpp>
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#include "pbd/ringbuffer.h"
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#include "winmmemidi_input_device.h"
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#include "winmmemidi_output_device.h"
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#include "midi_device_info.h"
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namespace ARDOUR {
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struct WinMMEMIDIPacket {
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#if 0
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WinMMEMIDIPacket (const WinMMEMIDIPacket& other)
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: timeStamp (other.timeStamp)
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, length (other.length)
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{
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if (length > 0) {
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memcpy (data, other.data, length);
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}
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}
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#endif
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// MIDITimeStamp timeStamp;
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uint16_t length;
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uint8_t data[MaxWinMidiEventSize];
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};
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typedef std::vector<boost::shared_ptr<WinMMEMIDIPacket> > WinMMEMIDIQueue;
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class WinMMEMidiIO {
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public:
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WinMMEMidiIO ();
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~WinMMEMidiIO ();
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void start ();
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void stop ();
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bool dequeue_input_event (uint32_t port,
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uint64_t timestamp_start,
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uint64_t timestamp_end,
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uint64_t& timestamp,
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uint8_t* data,
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size_t& size);
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bool enqueue_output_event (uint32_t port,
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uint64_t timestamp,
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const uint8_t* data,
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const size_t size);
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uint32_t n_midi_inputs (void) const { return m_inputs.size(); }
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uint32_t n_midi_outputs (void) const { return m_outputs.size(); }
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std::vector<WinMMEMidiInputDevice*> get_inputs () { return m_inputs; }
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std::vector<WinMMEMidiOutputDevice*> get_outputs () { return m_outputs; }
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void update_device_info ();
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std::vector<MidiDeviceInfo*> get_device_info () { return m_device_info; }
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MidiDeviceInfo* get_device_info (const std::string& name);
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std::string port_id (uint32_t, bool input);
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std::string port_name (uint32_t, bool input);
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void set_enabled (bool yn = true) { m_enabled = yn; }
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bool enabled (void) const { return m_active && m_enabled; }
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void set_port_changed_callback (void (changed_callback (void*)), void *arg) {
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m_changed_callback = changed_callback;
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m_changed_arg = arg;
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}
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private: // Methods
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void clear_device_info ();
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static bool get_input_name_from_index (int index, std::string& name);
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static bool get_output_name_from_index (int index, std::string& name);
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void discover ();
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void cleanup ();
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void create_input_devices ();
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void create_output_devices ();
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void destroy_input_devices ();
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void destroy_output_devices ();
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void start_devices ();
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void stop_devices ();
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private: // Data
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std::vector<MidiDeviceInfo*> m_device_info;
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std::vector<WinMMEMidiInputDevice*> m_inputs;
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std::vector<WinMMEMidiOutputDevice*> m_outputs;
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bool m_active;
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bool m_enabled;
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bool m_run;
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void (* m_changed_callback) (void*);
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void * m_changed_arg;
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// protects access to m_inputs and m_outputs
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pthread_mutex_t m_device_lock;
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};
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} // namespace
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#endif // WINMME_MIDI_IO_H
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