2 * \file include/pcm_external.h
3 * \brief External PCM plugin SDK
4 * \author Takashi Iwai <tiwai@suse.de>
7 * Extern PCM plugin SDK.
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #ifndef __ALSA_PCM_EXTERNAL_H
27 #define __ALSA_PCM_EXTERNAL_H
36 * \defgroup Plugin_SDK External PCM plugin SDK
41 * Define the object entry for external PCM plugins
43 #define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open
46 * Define the symbols of the given plugin with versions
48 #define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);
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)
58 #include "pcm_ioplug.h"
59 #include "pcm_extplug.h"
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);
70 #endif /* __ALSA_PCM_EXTERNAL_H */