/* $Id$ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono * * 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_G711_H__ #define __PJMEDIA_G711_H__ /** * @file g711.h * @brief G711 Codec */ #include /** * @defgroup PJMED_G711 G.711 Codec * @ingroup PJMEDIA_CODEC_CODECS * @brief Standard G.711/PCMA and PCMU codec. * @{ * * This section describes functions to initialize and register G.711 codec * factory to the codec manager. After the codec factory has been registered, * application can use @ref PJMEDIA_CODEC API to manipulate the codec. * * The G.711 is an ultra low complexity codecs and in trade-off it results * in high bitrate, i.e: 64kbps for 16-bit PCM with sampling rate 8000Hz. * * The factory contains two main compression algorithms, PCMU/u-Law and * PCMA/A-Law. * * \section codec_setting Codec Settings * * \subsection general_setting General Settings * * General codec settings for this codec such as VAD and PLC can be * manipulated through the setting field in #pjmedia_codec_param. * Please see the documentation of #pjmedia_codec_param for more info. * * \subsection specific_setting Codec Specific Settings * * Currently none. */ PJ_BEGIN_DECL /** * Initialize and register G711 codec factory to pjmedia endpoint. * This will register PCMU and PCMA codec, in that order. * * @param endpt The pjmedia endpoint. * * @return PJ_SUCCESS on success. */ PJ_DECL(pj_status_t) pjmedia_codec_g711_init(pjmedia_endpt *endpt); /** * Unregister G711 codec factory from pjmedia endpoint. * * @return PJ_SUCCESS on success. */ PJ_DECL(pj_status_t) pjmedia_codec_g711_deinit(void); PJ_END_DECL /** * @} */ #endif /* __PJMEDIA_G711_H__ */