midiport.h

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/*
    Copyright (C) 2001-2013

    Developers:

    Paul Davis
    Jack O'Quin
    Steve Harris
    Rui Nuno Capela
    Devin Anderson
    Kai Vehmanen
    Ian Esten
    Dmitry Baikov
    Torben Hohn
    Rohan Drape
    Stephane Letz
    Christian Schoenebeck

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    You are permitted to statically link against a binary version of
    the JACK library obtained from

        http://jackaudio.org/downloads/JackiOS-SDK.zip

    and distribute the resulting application without complying with section 6
    (requiring recipients of your application to be able to relink against
    modified versions of libjack).

    This permission is granted if and ONLY if the resulting application binary
    issue is intended for execution in any one of the following environments:

        * Apple Inc. iOS

    Additional environments may be added to this list in the future.
    All other terms of the LGPL continue to apply.

*/

#ifndef __JACK_MIDIPORT_H
#define __JACK_MIDIPORT_H

#ifdef __cplusplus
extern "C" {
#endif

#include <jack/weakmacros.h>
#include <jack/types.h>
#include <stdlib.h>

typedef unsigned char jack_midi_data_t;


typedef struct _jack_midi_event
{
        jack_nframes_t    time;   
        size_t            size;   
        jack_midi_data_t *buffer; 
} jack_midi_event_t;


uint32_t
jack_midi_get_event_count(void* port_buffer) JACK_OPTIONAL_WEAK_EXPORT;


int
jack_midi_event_get(jack_midi_event_t *event,
                    void        *port_buffer,
                    uint32_t    event_index) JACK_OPTIONAL_WEAK_EXPORT;


void
jack_midi_clear_buffer(void *port_buffer) JACK_OPTIONAL_WEAK_EXPORT;


size_t
jack_midi_max_event_size(void* port_buffer) JACK_OPTIONAL_WEAK_EXPORT;


jack_midi_data_t*
jack_midi_event_reserve(void *port_buffer,
                        jack_nframes_t  time,
                        size_t data_size) JACK_OPTIONAL_WEAK_EXPORT;


int
jack_midi_event_write(void *port_buffer,
                      jack_nframes_t time,
                      const jack_midi_data_t *data,
                      size_t data_size) JACK_OPTIONAL_WEAK_EXPORT;


uint32_t
jack_midi_get_lost_event_count(void *port_buffer) JACK_OPTIONAL_WEAK_EXPORT;

#ifdef __cplusplus
}
#endif


#endif /* __JACK_MIDIPORT_H */