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