godot/drivers/alsamidi/midi_driver_alsamidi.h

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3.2 KiB
C++

/**************************************************************************/
/* midi_driver_alsamidi.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef MIDI_DRIVER_ALSAMIDI_H
#define MIDI_DRIVER_ALSAMIDI_H
#ifdef ALSAMIDI_ENABLED
#include "core/os/midi_driver.h"
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/templates/safe_refcount.h"
#include "core/templates/vector.h"
#ifdef SOWRAP_ENABLED
#include "../alsa/asound-so_wrap.h"
#else
#include <alsa/asoundlib.h>
#endif
#include <stdio.h>
class MIDIDriverALSAMidi : public MIDIDriver {
Thread thread;
Mutex mutex;
struct InputConnection {
InputConnection() = default;
InputConnection(int p_device_index, snd_rawmidi_t *p_rawmidi);
Parser parser;
snd_rawmidi_t *rawmidi_ptr = nullptr;
// Read in and parse available data, forwarding complete events to Input.
void read();
};
Vector<InputConnection> connected_inputs;
SafeFlag exit_thread;
static void thread_func(void *p_udata);
void lock() const;
void unlock() const;
public:
virtual Error open() override;
virtual void close() override;
MIDIDriverALSAMidi();
virtual ~MIDIDriverALSAMidi();
};
#endif // ALSAMIDI_ENABLED
#endif // MIDI_DRIVER_ALSAMIDI_H