1 /* 2 * Rawmidi interface - local header file 3 * Copyright (c) 2000 by Abramo Bagnara <abramo (at) alsa-project.org> 4 * 5 * 6 * This library is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU Lesser General Public License as 8 * published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <limits.h> 25 #include "local.h" 26 27 typedef struct { 28 int (*close)(snd_rawmidi_t *rawmidi); 29 int (*nonblock)(snd_rawmidi_t *rawmidi, int nonblock); 30 int (*info)(snd_rawmidi_t *rawmidi, snd_rawmidi_info_t *info); 31 int (*params)(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params); 32 int (*status)(snd_rawmidi_t *rawmidi, snd_rawmidi_status_t *status); 33 int (*drop)(snd_rawmidi_t *rawmidi); 34 int (*drain)(snd_rawmidi_t *rawmidi); 35 ssize_t (*write)(snd_rawmidi_t *rawmidi, const void *buffer, size_t size); 36 ssize_t (*read)(snd_rawmidi_t *rawmidi, void *buffer, size_t size); 37 } snd_rawmidi_ops_t; 38 39 struct _snd_rawmidi { 40 void *dl_handle; 41 char *name; 42 snd_rawmidi_type_t type; 43 snd_rawmidi_stream_t stream; 44 int mode; 45 int poll_fd; 46 const snd_rawmidi_ops_t *ops; 47 void *private_data; 48 size_t buffer_size; 49 size_t avail_min; 50 unsigned int no_active_sensing: 1; 51 }; 52 53 int snd_rawmidi_hw_open(snd_rawmidi_t **input, snd_rawmidi_t **output, 54 const char *name, int card, int device, int subdevice, 55 int mode); 56 57 int snd_rawmidi_virtual_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp, 58 const char *name, snd_seq_t *seq_handle, int port, 59 int merge, int mode); 60 61 int snd_rawmidi_conf_generic_id(const char *id); 62
