117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJMEDIA_AUDIODEV_AUDIOTEST_H__
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#define __PJMEDIA_AUDIODEV_AUDIOTEST_H__
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/**
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* @file audiotest.h
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* @brief Audio test utility.
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*/
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#include <pjmedia-audiodev/audiodev.h>
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PJ_BEGIN_DECL
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/**
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* @defgroup s30_audio_test_utility Audio tests utility.
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* @ingroup audio_device_api
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* @brief Audio test utility.
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* @{
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*/
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/**
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* Statistic for each direction.
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*/
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typedef struct pjmedia_aud_test_stat
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{
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/**
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* Number of frames processed during the test.
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*/
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unsigned frame_cnt;
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/**
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* Minimum inter-frame arrival time, in milliseconds
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*/
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unsigned min_interval;
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/**
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* Maximum inter-frame arrival time, in milliseconds
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*/
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unsigned max_interval;
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/**
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* Average inter-frame arrival time, in milliseconds
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*/
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unsigned avg_interval;
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/**
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* Standard deviation of inter-frame arrival time, in milliseconds
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*/
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unsigned dev_interval;
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/**
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* Maximum number of frame burst
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*/
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unsigned max_burst;
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} pjmedia_aud_test_stat;
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/**
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* Test results.
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*/
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typedef struct pjmedia_aud_test_results
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{
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/**
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* Recording statistic.
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*/
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pjmedia_aud_test_stat rec;
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/**
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* Playback statistic.
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*/
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pjmedia_aud_test_stat play;
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/**
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* Clock drifts per second, in samples. Positive number indicates rec
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* device is running faster than playback device.
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*/
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pj_int32_t rec_drift_per_sec;
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} pjmedia_aud_test_results;
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/**
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* Perform audio device testing.
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*/
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PJ_DECL(pj_status_t) pjmedia_aud_test(const pjmedia_aud_param *param,
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pjmedia_aud_test_results *result);
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/**
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* @}
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*/
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PJ_END_DECL
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#endif /* __PJMEDIA_AUDIODEV_AUDIOTEST_H__ */
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