| /* $Id: audiotest.h 3553 2011-05-05 06:14:19Z nanang $ */ |
| /* |
| * 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_AUDIOTEST_H__ |
| #define __PJMEDIA_AUDIODEV_AUDIOTEST_H__ |
| |
| /** |
| * @file audiotest.h |
| * @brief Audio test utility. |
| */ |
| #include <pjmedia-audiodev/audiodev.h> |
| |
| |
| PJ_BEGIN_DECL |
| |
| /** |
| * @defgroup s30_audio_test_utility Audio tests utility. |
| * @ingroup audio_device_api |
| * @brief Audio test utility. |
| * @{ |
| */ |
| |
| /** |
| * Statistic for each direction. |
| */ |
| typedef struct pjmedia_aud_test_stat |
| { |
| /** |
| * Number of frames processed during the test. |
| */ |
| unsigned frame_cnt; |
| |
| /** |
| * Minimum inter-frame arrival time, in milliseconds |
| */ |
| unsigned min_interval; |
| |
| /** |
| * Maximum inter-frame arrival time, in milliseconds |
| */ |
| unsigned max_interval; |
| |
| /** |
| * Average inter-frame arrival time, in milliseconds |
| */ |
| unsigned avg_interval; |
| |
| /** |
| * Standard deviation of inter-frame arrival time, in milliseconds |
| */ |
| unsigned dev_interval; |
| |
| /** |
| * Maximum number of frame burst |
| */ |
| unsigned max_burst; |
| |
| } pjmedia_aud_test_stat; |
| |
| |
| /** |
| * Test results. |
| */ |
| typedef struct pjmedia_aud_test_results |
| { |
| /** |
| * Recording statistic. |
| */ |
| pjmedia_aud_test_stat rec; |
| |
| /** |
| * Playback statistic. |
| */ |
| pjmedia_aud_test_stat play; |
| |
| /** |
| * Clock drifts per second, in samples. Positive number indicates rec |
| * device is running faster than playback device. |
| */ |
| pj_int32_t rec_drift_per_sec; |
| |
| } pjmedia_aud_test_results; |
| |
| |
| /** |
| * Perform audio device testing. |
| */ |
| PJ_DECL(pj_status_t) pjmedia_aud_test(const pjmedia_aud_param *param, |
| pjmedia_aud_test_results *result); |
| |
| /** |
| * @} |
| */ |
| |
| PJ_END_DECL |
| |
| |
| #endif /* __PJMEDIA_AUDIODEV_AUDIOTEST_H__ */ |
| |
| |