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https://github.com/alsa-project/alsa-lib.git
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61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
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/*
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* Rawmidi interface - local header file
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* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
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*
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <errno.h>
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#include "asoundlib.h"
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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#define ERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__)
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#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__)
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#else
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#define ERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
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#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
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#endif
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typedef struct {
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int (*close)(snd_rawmidi_t *rawmidi);
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int (*nonblock)(snd_rawmidi_t *rawmidi, int nonblock);
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int (*info)(snd_rawmidi_t *rawmidi, snd_rawmidi_info_t *info);
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int (*params)(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params);
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int (*status)(snd_rawmidi_t *rawmidi, snd_rawmidi_status_t *status);
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int (*drop)(snd_rawmidi_t *rawmidi, int stream);
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int (*drain)(snd_rawmidi_t *rawmidi, int stream);
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ssize_t (*write)(snd_rawmidi_t *rawmidi, const void *buffer, size_t size);
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ssize_t (*read)(snd_rawmidi_t *rawmidi, void *buffer, size_t size);
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} snd_rawmidi_ops_t;
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struct _snd_rawmidi {
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char *name;
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snd_rawmidi_type_t type;
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int streams;
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int mode;
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int poll_fd;
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snd_rawmidi_ops_t *ops;
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void *private;
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};
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int snd_rawmidi_hw_open(snd_rawmidi_t **handle, char *name, int card, int device, int subdevice, int streams, int mode);
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