1/**
2 * \file include/pcm_external.h
3 * \brief External PCM plugin SDK
4 * \author Takashi Iwai <tiwai@suse.de>
5 * \date 2005
6 *
7 * Extern PCM plugin SDK.
8 */
9
10/*
11 *   This library is free software; you can redistribute it and/or modify
12 *   it under the terms of the GNU Lesser General Public License as
13 *   published by the Free Software Foundation; either version 2.1 of
14 *   the License, or (at your option) any later version.
15 *
16 *   This program is distributed in the hope that it will be useful,
17 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *   GNU Lesser General Public License for more details.
20 *
21 *   You should have received a copy of the GNU Lesser General Public
22 *   License along with this library; if not, write to the Free Software
23 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
24 *
25 */
26#ifndef __ALSA_PCM_EXTERNAL_H
27#define __ALSA_PCM_EXTERNAL_H
28
29#include "pcm.h"
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35/**
36 *  \defgroup Plugin_SDK External PCM plugin SDK
37 *  \{
38 */
39
40/**
41 * Define the object entry for external PCM plugins
42 */
43#define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open
44
45/**
46 * Define the symbols of the given plugin with versions
47 */
48#define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);
49
50/**
51 * Define the plugin
52 */
53#define SND_PCM_PLUGIN_DEFINE_FUNC(plugin) \
54int SND_PCM_PLUGIN_ENTRY(plugin) (snd_pcm_t **pcmp, const char *name,\
55				  snd_config_t *root, snd_config_t *conf, \
56				  snd_pcm_stream_t stream, int mode)
57
58#include "pcm_ioplug.h"
59#include "pcm_extplug.h"
60
61int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
62			     int *cchannelsp, int *hwctlp) __attribute__((deprecated));
63
64/** \} */
65
66#ifdef __cplusplus
67}
68#endif
69
70#endif /* __ALSA_PCM_EXTERNAL_H */
71