# midiport.h

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    00001 /*
    00002     Copyright (C) 2004 Ian Esten
    00003
    00004     This program is free software; you can redistribute it and/or modify
    00005     it under the terms of the GNU Lesser General Public License as published by
    00006     the Free Software Foundation; either version 2.1 of the License, or
    00007     (at your option) any later version.
    00008
    00009     This program is distributed in the hope that it will be useful,
    00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012     GNU Lesser General Public License for more details.
    00013
    00014     You should have received a copy of the GNU Lesser General Public License
    00015     along with this program; if not, write to the Free Software
    00016     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017
    00018 */
    00019
    00020
    00021 #ifndef __JACK_MIDIPORT_H
    00022 #define __JACK_MIDIPORT_H
    00023
    00024 #ifdef __cplusplus
    00025 extern "C" {
    00026 #endif
    00027
    00028 #include <jack/types.h>
    00029 #include <stdlib.h>
    00030
    00031
    00033 typedef unsigned char jack_midi_data_t;
    00034
    00035
    00037 typedef struct _jack_midi_event
    00038 {
    00039         jack_nframes_t    time;
    00040         size_t            size;
    00041         jack_midi_data_t *buffer;
    00042 } jack_midi_event_t;
    00043
    00044
    00050 /* Get number of events in a port buffer.
    00051  *
    00052  * @param port_buffer Port buffer from which to retrieve event.
    00053  * @return number of events inside @a port_buffer
    00054  */
    00055 jack_nframes_t
    00056 jack_midi_get_event_count(void*          port_buffer);
    00057
    00058
    00070 int
    00071 jack_midi_event_get(jack_midi_event_t *event,
    00072                     void              *port_buffer,
    00073                     jack_nframes_t     event_index);
    00074
    00075
    00084 void
    00085 jack_midi_clear_buffer(void           *port_buffer);
    00086
    00087
    00095 size_t
    00096 jack_midi_max_event_size(void* port_buffer);
    00097
    00098
    00114 jack_midi_data_t*
    00115 jack_midi_event_reserve(void           *port_buffer,
    00116                         jack_nframes_t  time,
    00117                         size_t          data_size);
    00118
    00119
    00132 int
    00133 jack_midi_event_write(void                   *port_buffer,
    00134                       jack_nframes_t          time,
    00135                       const jack_midi_data_t *data,
    00136                       size_t                  data_size);
    00137
    00138
    00147 jack_nframes_t
    00148 jack_midi_get_lost_event_count(void           *port_buffer);
    00149
    00153 #ifdef __cplusplus
    00154 }
    00155 #endif
    00156
    00157
    00158 #endif /* __JACK_MIDIPORT_H */
    00159
    00160