doubango-android/tinyDAV/include/tinydav/codecs/amr/tdav_codec_amr.h

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/

/**@file tdav_codec_amr.h
 * @brief AMR-NB and AMR-WB codecs.
 * RTP payloader/depayloader are based on RFC 4867
 *
 * @author Mamadou Diop <diopmamadou(at)doubango.org>
 *

 */
#ifndef TINYDAV_CODEC_AMR_H
#define TINYDAV_CODEC_AMR_H

#include "tinydav_config.h"

#if HAVE_OPENCORE_AMR

#include "tinymedia/tmedia_codec.h"

#include <opencore-amrnb/interf_dec.h>
#include <opencore-amrnb/interf_enc.h>

TDAV_BEGIN_DECLS

#define TDAV_CODEC_AMR(self)	((tdav_codec_amr_t*)(self))

typedef enum tdav_codec_amr_type_e {
    tdav_codec_amr_type_nb,
    tdav_codec_amr_type_wb,
}
tdav_codec_amr_type_t;

typedef enum tdav_codec_amr_mode_e {
    tdav_codec_amr_mode_oa,
    tdav_codec_amr_mode_be,
}
tdav_codec_amr_mode_t;

/** Base class for all AMR codecs */
typedef struct tdav_codec_amr_s {
    TMEDIA_DECLARE_CODEC_AUDIO;

    tdav_codec_amr_type_t type;
    tdav_codec_amr_mode_t mode;

    enum Mode encoder_mode;
    void* encoder;
    void* decoder;

    unsigned modes:16; /**< 0..7 for NB and 0..8 for WB plus SID, SPEECH_LOST, NO_DATA etc etc */
    unsigned mcp:2; /**< mode-change-periode (1 or 2) */
    unsigned mcc:2; /**< mode-change-capability (1 or 2) */
    unsigned mcn:1; /**< mode-change-neighnor (0 or 1) */
    unsigned crc:1; /**< 0 or 1 */
    unsigned robust_sorting:1; /**< robust-sorting (0 or 1) */
}
tdav_codec_amr_t;

#define TDAV_DECLARE_CODEC_AMR tdav_codec_amr_t __codec_amr__


TINYDAV_GEXTERN const tmedia_codec_plugin_def_t *tdav_codec_amrnb_oa_plugin_def_t;
TINYDAV_GEXTERN const tmedia_codec_plugin_def_t *tdav_codec_amrnb_be_plugin_def_t;

TINYDAV_GEXTERN const tmedia_codec_plugin_def_t *tdav_codec_amrwb_oa_plugin_def_t;
TINYDAV_GEXTERN const tmedia_codec_plugin_def_t *tdav_codec_amrwb_be_plugin_def_t;

TDAV_END_DECLS

#endif /* HAVE_OPENCORE_AMR */

#endif /* TINYDAV_CODEC_AMR_H */