D-Modem/pjproject-2.11.1/pjmedia/include/pjmedia-audiodev/audiodev.h
2021-10-29 14:41:03 -04:00

111 lines
3.1 KiB
C

/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJMEDIA_AUDIODEV_AUDIODEV_H__
#define __PJMEDIA_AUDIODEV_AUDIODEV_H__
/**
* @file audiodev.h
* @brief Audio subsystem API.
*/
#include <pj/pool.h>
#include <pjmedia/audiodev.h>
PJ_BEGIN_DECL
/**
* @defgroup s2_audio_device_reference Audio Subsystem API Reference
* @ingroup audio_subsystem_api
* @brief API Reference
* @{
*/
/**
* Initialize the audio subsystem. This will register all supported audio
* device factories to the audio subsystem. This function may be called
* more than once, but each call to this function must have the
* corresponding #pjmedia_aud_subsys_shutdown() call.
*
* @param pf The pool factory.
*
* @return PJ_SUCCESS on successful operation or the appropriate
* error code.
*/
PJ_DECL(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf);
/**
* Get the pool factory registered to the audio subsystem.
*
* @return The pool factory.
*/
PJ_DECL(pj_pool_factory*) pjmedia_aud_subsys_get_pool_factory(void);
/**
* Shutdown the audio subsystem. This will destroy all audio device factories
* registered in the audio subsystem. Note that currently opened audio streams
* may or may not be closed, depending on the implementation of the audio
* device factories.
*
* @return PJ_SUCCESS on successful operation or the appropriate
* error code.
*/
PJ_DECL(pj_status_t) pjmedia_aud_subsys_shutdown(void);
/**
* Register a supported audio device factory to the audio subsystem. This
* function can only be called after calling #pjmedia_aud_subsys_init().
*
* @param adf The audio device factory.
*
* @return PJ_SUCCESS on successful operation or the appropriate
* error code.
*/
PJ_DECL(pj_status_t)
pjmedia_aud_register_factory(pjmedia_aud_dev_factory_create_func_ptr adf);
/**
* Unregister an audio device factory from the audio subsystem. This
* function can only be called after calling #pjmedia_aud_subsys_init().
* Devices from this factory will be unlisted. If a device from this factory
* is currently in use, then the behavior is undefined.
*
* @param adf The audio device factory.
*
* @return PJ_SUCCESS on successful operation or the appropriate
* error code.
*/
PJ_DECL(pj_status_t)
pjmedia_aud_unregister_factory(pjmedia_aud_dev_factory_create_func_ptr adf);
/**
* @}
*/
PJ_END_DECL
#endif /* __PJMEDIA_AUDIODEV_AUDIODEV_H__ */