/**

 * \file include/pcm_external.h

 * \brief External PCM plugin SDK

 * \author Takashi Iwai <tiwai@suse.de>

 * \date 2005

 *

 * Extern PCM plugin SDK.

 */

/*

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as

 *   published by the Free Software Foundation; either version 2.1 of

 *   the License, or (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#ifndef __ALSA_PCM_EXTERNAL_H

#define __ALSA_PCM_EXTERNAL_H

#include "pcm.h"

#ifdef __cplusplus

extern "C" {

#endif

/**

 *  \defgroup Plugin_SDK External PCM plugin SDK

 *  \{

 */

/**

 * Define the object entry for external PCM plugins

 */

#define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open

/**

 * Define the symbols of the given plugin with versions

 */

#define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);

/**

 * Define the plugin

 */

#define SND_PCM_PLUGIN_DEFINE_FUNC(plugin) \

int SND_PCM_PLUGIN_ENTRY(plugin) (snd_pcm_t **pcmp, const char *name,\

				  snd_config_t *root, snd_config_t *conf, \

				  snd_pcm_stream_t stream, int mode)

#include "pcm_ioplug.h"

#include "pcm_extplug.h"

int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,

			     int *cchannelsp, int *hwctlp);

/** \} */

#ifdef __cplusplus

}

#endif

#endif /* __ALSA_PCM_EXTERNAL_H */