/*

 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

#if (USE_PLATFORM_MIDI_IN == TRUE) || (USE_PLATFORM_MIDI_OUT == TRUE)

#include "PlatformMidi.h"                  // JavaSound header for platform midi support.

#include <CoreMIDI/CoreMIDI.h>             // Umbrella header for the CoreMIDI framework.

#include <CoreAudio/CoreAudio.h>           // This provides access to the host's time base and translations to nanoseconds.

#include <CoreFoundation/CoreFoundation.h> // CFDataRef.

/* for memcpy */

#include <string.h>

/* for malloc */

#include <stdlib.h>

/* for usleep */

#include <unistd.h>

#ifdef USE_ERROR

#include <stdio.h>

#endif

#define MIDI_ERROR_NONE MIDI_SUCCESS

#ifdef USE_ERROR

#define MIDI_CHECK_ERROR  { if (err != MIDI_ERROR_NONE) MIDI_Utils_PrintError(err); }

#else

#define MIDI_CHECK_ERROR

#endif

typedef struct {

    MidiDeviceHandle h;                  /* the real handle (must be the first field!) */

    int direction;                       /* direction of the endpoint */

    int deviceID;                        /* logical index (0 .. numEndpoints-1) */

    int isStarted;                       /* whether device is "started" */

    MIDIPortRef port;                    /* input or output port associated with the endpoint */

    CFMutableDataRef readingSysExData;   /* Non-Null: in the middle of reading SysEx data; Null: otherwise */

} MacMidiDeviceHandle;

extern const char* MIDI_Utils_GetErrorMsg(int err);

extern void MIDI_Utils_PrintError(int err);

// A MIDI endpoint represents a source or a destination for a standard 16-channel MIDI data stream.

enum {

    MIDI_IN = 0, // source

    MIDI_OUT = 1 // destination

};

// The parameter "direction" is either MIDI_IN or MIDI_OUT.

// Declarations of functions required by the JavaSound MIDI Porting layer.

extern INT32 MIDI_Utils_GetNumDevices(int direction);

extern INT32 MIDI_Utils_GetDeviceName(int direction, INT32 deviceID, char *name, UINT32 nameLength);

extern INT32 MIDI_Utils_GetDeviceVendor(int direction, INT32 deviceID, char *name, UINT32 nameLength);

extern INT32 MIDI_Utils_GetDeviceDescription(int direction, INT32 deviceID, char *name, UINT32 nameLength);

extern INT32 MIDI_Utils_GetDeviceVersion(int direction, INT32 deviceID, char *name, UINT32 nameLength);

extern INT32 MIDI_Utils_OpenDevice(int direction, INT32 deviceID, MacMidiDeviceHandle** handle,

                   int num_msgs, int num_long_msgs,

                   size_t lm_size);

extern INT32 MIDI_Utils_CloseDevice(MacMidiDeviceHandle* handle);

extern INT32 MIDI_Utils_StartDevice(MacMidiDeviceHandle* handle);

extern INT32 MIDI_Utils_StopDevice(MacMidiDeviceHandle* handle);

extern INT64 MIDI_Utils_GetTimeStamp(MacMidiDeviceHandle* handle);

// Mac OS X port for locking and synchronization.

extern void* MIDI_CreateConditionVariable();

extern void  MIDI_DestroyConditionVariable(void* cond);

extern void  MIDI_WaitOnConditionVariable(void* cond, void* lock);

extern void  MIDI_SignalConditionVariable(void* cond);

#endif // USE_PLATFORM_MIDI_IN || USE_PLATFORM_MIDI_OUT