/usr/include/pjmedia-audiodev/audiodev_imp.h is in libpjproject-dev 2.7.2~dfsg-1.
This file is owned by root:root, with mode 0o644.
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/*
* 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 __AUDIODEV_IMP_H__
#define __AUDIODEV_IMP_H__
#include <pjmedia-audiodev/audiodev.h>
/**
* @defgroup s8_audio_device_implementors_api Audio Device Implementors API
* @ingroup audio_device_api
* @brief API for audio device implementors
* @{
*/
/**
* Sound device factory operations.
*/
typedef struct pjmedia_aud_dev_factory_op
{
/**
* Initialize the audio device factory.
*
* @param f The audio device factory.
*/
pj_status_t (*init)(pjmedia_aud_dev_factory *f);
/**
* Close this audio device factory and release all resources back to the
* operating system.
*
* @param f The audio device factory.
*/
pj_status_t (*destroy)(pjmedia_aud_dev_factory *f);
/**
* Get the number of audio devices installed in the system.
*
* @param f The audio device factory.
*/
unsigned (*get_dev_count)(pjmedia_aud_dev_factory *f);
/**
* Get the audio device information and capabilities.
*
* @param f The audio device factory.
* @param index Device index.
* @param info The audio device information structure which will be
* initialized by this function once it returns
* successfully.
*/
pj_status_t (*get_dev_info)(pjmedia_aud_dev_factory *f,
unsigned index,
pjmedia_aud_dev_info *info);
/**
* Initialize the specified audio device parameter with the default
* values for the specified device.
*
* @param f The audio device factory.
* @param index Device index.
* @param param The audio device parameter.
*/
pj_status_t (*default_param)(pjmedia_aud_dev_factory *f,
unsigned index,
pjmedia_aud_param *param);
/**
* Open the audio device and create audio stream. See
* #pjmedia_aud_stream_create()
*/
pj_status_t (*create_stream)(pjmedia_aud_dev_factory *f,
const pjmedia_aud_param *param,
pjmedia_aud_rec_cb rec_cb,
pjmedia_aud_play_cb play_cb,
void *user_data,
pjmedia_aud_stream **p_aud_strm);
/**
* Refresh the list of audio devices installed in the system.
*
* @param f The audio device factory.
*/
pj_status_t (*refresh)(pjmedia_aud_dev_factory *f);
} pjmedia_aud_dev_factory_op;
/**
* This structure describes an audio device factory.
*/
struct pjmedia_aud_dev_factory
{
/** Internal data to be initialized by audio subsystem. */
struct {
/** Driver index */
unsigned drv_idx;
} sys;
/** Operations */
pjmedia_aud_dev_factory_op *op;
};
/**
* Sound stream operations.
*/
typedef struct pjmedia_aud_stream_op
{
/**
* See #pjmedia_aud_stream_get_param()
*/
pj_status_t (*get_param)(pjmedia_aud_stream *strm,
pjmedia_aud_param *param);
/**
* See #pjmedia_aud_stream_get_cap()
*/
pj_status_t (*get_cap)(pjmedia_aud_stream *strm,
pjmedia_aud_dev_cap cap,
void *value);
/**
* See #pjmedia_aud_stream_set_cap()
*/
pj_status_t (*set_cap)(pjmedia_aud_stream *strm,
pjmedia_aud_dev_cap cap,
const void *value);
/**
* See #pjmedia_aud_stream_start()
*/
pj_status_t (*start)(pjmedia_aud_stream *strm);
/**
* See #pjmedia_aud_stream_stop().
*/
pj_status_t (*stop)(pjmedia_aud_stream *strm);
/**
* See #pjmedia_aud_stream_destroy().
*/
pj_status_t (*destroy)(pjmedia_aud_stream *strm);
} pjmedia_aud_stream_op;
/**
* This structure describes the audio device stream.
*/
struct pjmedia_aud_stream
{
/** Internal data to be initialized by audio subsystem */
struct {
/** Driver index */
unsigned drv_idx;
} sys;
/** Operations */
pjmedia_aud_stream_op *op;
};
/**
* @}
*/
#endif /* __AUDIODEV_IMP_H__ */
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