ALSA project - the C library reference: /builddir/build/BUILD/alsa-lib-1.1.8/include/pcm_external.h Source File

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pcm_external.h
Go to the documentation of this file.
1
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
32 extern "C" {
33 #endif
34
43 #define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open
44
48 #define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);
49
53 #define SND_PCM_PLUGIN_DEFINE_FUNC(plugin) \
54 int 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
61 int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
62 int *cchannelsp, int *hwctlp);
63
66 #ifdef __cplusplus
67 }
68 #endif
69
70 #endif /* __ALSA_PCM_EXTERNAL_H */
pcm.h
Application interface library for the ALSA driver.
snd_ctl_elem_id_t
struct _snd_ctl_elem_id snd_ctl_elem_id_t
Definition: control.h:57
snd_pcm_parse_control_id
int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp, int *cchannelsp, int *hwctlp)
Parse control element id from the config.
Definition: pcm_misc.c:772
pcm_ioplug.h
External I/O-Plugin SDK.
pcm_extplug.h
External Filter-Plugin SDK.
snd_config_t
struct _snd_config snd_config_t
Internal structure for a configuration node object.
Definition: conf.h:69