jpayne@69: /**
jpayne@69:  * \file include/pcm_external.h
jpayne@69:  * \brief External PCM plugin SDK
jpayne@69:  * \author Takashi Iwai <tiwai@suse.de>
jpayne@69:  * \date 2005
jpayne@69:  *
jpayne@69:  * Extern PCM plugin SDK.
jpayne@69:  */
jpayne@69: 
jpayne@69: /*
jpayne@69:  *   This library is free software; you can redistribute it and/or modify
jpayne@69:  *   it under the terms of the GNU Lesser General Public License as
jpayne@69:  *   published by the Free Software Foundation; either version 2.1 of
jpayne@69:  *   the License, or (at your option) any later version.
jpayne@69:  *
jpayne@69:  *   This program is distributed in the hope that it will be useful,
jpayne@69:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
jpayne@69:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jpayne@69:  *   GNU Lesser General Public License for more details.
jpayne@69:  *
jpayne@69:  *   You should have received a copy of the GNU Lesser General Public
jpayne@69:  *   License along with this library; if not, write to the Free Software
jpayne@69:  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
jpayne@69:  *
jpayne@69:  */
jpayne@69: #ifndef __ALSA_PCM_EXTERNAL_H
jpayne@69: #define __ALSA_PCM_EXTERNAL_H
jpayne@69: 
jpayne@69: #include "pcm.h"
jpayne@69: 
jpayne@69: #ifdef __cplusplus
jpayne@69: extern "C" {
jpayne@69: #endif
jpayne@69: 
jpayne@69: /**
jpayne@69:  *  \defgroup Plugin_SDK External PCM plugin SDK
jpayne@69:  *  \{
jpayne@69:  */
jpayne@69: 
jpayne@69: /**
jpayne@69:  * Define the object entry for external PCM plugins
jpayne@69:  */
jpayne@69: #define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open
jpayne@69: 
jpayne@69: /**
jpayne@69:  * Define the symbols of the given plugin with versions
jpayne@69:  */
jpayne@69: #define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);
jpayne@69: 
jpayne@69: /**
jpayne@69:  * Define the plugin
jpayne@69:  */
jpayne@69: #define SND_PCM_PLUGIN_DEFINE_FUNC(plugin) \
jpayne@69: int SND_PCM_PLUGIN_ENTRY(plugin) (snd_pcm_t **pcmp, const char *name,\
jpayne@69: 				  snd_config_t *root, snd_config_t *conf, \
jpayne@69: 				  snd_pcm_stream_t stream, int mode)
jpayne@69: 
jpayne@69: #include "pcm_ioplug.h"
jpayne@69: #include "pcm_extplug.h"
jpayne@69: 
jpayne@69: int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
jpayne@69: 			     int *cchannelsp, int *hwctlp);
jpayne@69: 
jpayne@69: /** \} */
jpayne@69: 
jpayne@69: #ifdef __cplusplus
jpayne@69: }
jpayne@69: #endif
jpayne@69: 
jpayne@69: #endif /* __ALSA_PCM_EXTERNAL_H */