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/*
* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
*
* This program 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.
*
* This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef WINMME_MIDI_IO_H
#define WINMME_MIDI_IO_H
#include <map>
#include <vector>
#include <string>
#include <stdint.h>
#include <pthread.h>
#include <boost/shared_ptr.hpp>
#include "pbd/ringbuffer.h"
#include "winmmemidi_input_device.h"
#include "winmmemidi_output_device.h"
#include "midi_device_info.h"
namespace ARDOUR {
struct WinMMEMIDIPacket {
#if 0
WinMMEMIDIPacket (const WinMMEMIDIPacket& other)
: timeStamp (other.timeStamp)
, length (other.length)
{
if (length > 0) {
memcpy (data, other.data, length);
}
}
#endif
// MIDITimeStamp timeStamp;
uint16_t length;
uint8_t data[MaxWinMidiEventSize];
};
typedef std::vector<boost::shared_ptr<WinMMEMIDIPacket> > WinMMEMIDIQueue;
class WinMMEMidiIO {
public:
WinMMEMidiIO ();
~WinMMEMidiIO ();
void start ();
void stop ();
bool dequeue_input_event (uint32_t port,
uint64_t timestamp_start,
uint64_t timestamp_end,
uint64_t& timestamp,
uint8_t* data,
size_t& size);
bool enqueue_output_event (uint32_t port,
uint64_t timestamp,
const uint8_t* data,
const size_t size);
uint32_t n_midi_inputs (void) const { return m_inputs.size(); }
uint32_t n_midi_outputs (void) const { return m_outputs.size(); }
std::vector<WinMMEMidiInputDevice*> get_inputs () { return m_inputs; }
std::vector<WinMMEMidiOutputDevice*> get_outputs () { return m_outputs; }
void update_device_info ();
std::vector<MidiDeviceInfo*> get_device_info () { return m_device_info; }
MidiDeviceInfo* get_device_info (const std::string& name);
std::string port_id (uint32_t, bool input);
std::string port_name (uint32_t, bool input);
void set_enabled (bool yn = true) { m_enabled = yn; }
bool enabled (void) const { return m_active && m_enabled; }
void set_port_changed_callback (void (changed_callback (void*)), void *arg) {
m_changed_callback = changed_callback;
m_changed_arg = arg;
}
private: // Methods
void clear_device_info ();
static bool get_input_name_from_index (int index, std::string& name);
static bool get_output_name_from_index (int index, std::string& name);
void discover ();
void cleanup ();
void create_input_devices ();
void create_output_devices ();
void destroy_input_devices ();
void destroy_output_devices ();
void start_devices ();
void stop_devices ();
private: // Data
std::vector<MidiDeviceInfo*> m_device_info;
std::vector<WinMMEMidiInputDevice*> m_inputs;
std::vector<WinMMEMidiOutputDevice*> m_outputs;
bool m_active;
bool m_enabled;
bool m_run;
void (* m_changed_callback) (void*);
void * m_changed_arg;
// protects access to m_inputs and m_outputs
pthread_mutex_t m_device_lock;
};
} // namespace
#endif // WINMME_MIDI_IO_H
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