ref: 671f0330ac07dac46c5800005c2ef9590dfdf43e
dir: /src/amr-wb.c/
/* File format: AMR-WB (c) 2007 robs@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library 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 Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* In order to use the AMR format with SoX, you need to have an AMR
* library installed at SoX build time. Currently, the SoX build system
* recognizes two AMR implementations, in the following order:
* http://opencore-amr.sourceforge.net/
* http://ftp.penguin.cz/pub/users/utx/amr/
*/
#include "sox_i.h"
#ifdef HAVE_AMRWB
/* Common definitions: */
static const uint8_t amrwb_block_size[] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
static char const amrwb_magic[] = "#!AMR-WB\n";
#define amr_block_size amrwb_block_size
#define amr_magic amrwb_magic
#define amr_priv_t amrwb_priv_t
#define amr_opencore_funcs amrwb_opencore_funcs
#define amr_gp3_funcs amrwb_gp3_funcs
#define AMR_CODED_MAX 61 /* NB_SERIAL_MAX */
#define AMR_ENCODING SOX_ENCODING_AMR_WB
#define AMR_FORMAT_FN lsx_amr_wb_format_fn
#define AMR_FRAME 320 /* L_FRAME16k */
#define AMR_MODE_MAX 8
#define AMR_NAMES "amr-wb", "awb"
#define AMR_RATE 16000
#define AMR_DESC "3GPP Adaptive Multi Rate Wide-Band (AMR-WB) lossy speech compressor"
#if !defined(HAVE_LIBLTDL)
#undef DL_AMRWB
#endif
#ifdef DL_AMRWB
#define AMR_FUNC LSX_DLENTRY_DYNAMIC
#else
#define AMR_FUNC LSX_DLENTRY_STATIC
#endif /* DL_AMRWB */
/* OpenCore definitions: */
#if defined(HAVE_OPENCORE_AMRWB_DEC_IF_H) || defined(DL_AMRWB)
#define AMR_OPENCORE 1
#define AMR_OPENCORE_ENABLE_ENCODE 0
#endif
#define AMR_OPENCORE_FUNC_ENTRIES(f,x) \
AMR_FUNC(f,x, void*, D_IF_init, (void)) \
AMR_FUNC(f,x, void, D_IF_decode, (void* state, const unsigned char* in, short* out, int bfi)) \
AMR_FUNC(f,x, void, D_IF_exit, (void* state)) \
#define AmrOpencoreDecoderInit() \
D_IF_init()
#define AmrOpencoreDecoderDecode(state, in, out, bfi) \
D_IF_decode(state, in, out, bfi)
#define AmrOpencoreDecoderExit(state) \
D_IF_exit(state)
#define AMR_OPENCORE_DESC "amr-wb OpenCore library"
static const char* const amr_opencore_library_names[] =
{
#ifdef DL_AMRWB
"libopencore-amrwb",
"libopencore-amrwb-0",
#endif
NULL
};
/* 3GPP (reference implementation) definitions: */
#if !defined(HAVE_OPENCORE_AMRWB_DEC_IF_H) || defined(DL_AMRWB)
#define AMR_GP3 1
#endif
#define AMR_GP3_FUNC_ENTRIES(f,x) \
AMR_FUNC(f,x, void*, E_IF_init, (void)) \
AMR_FUNC(f,x, int, GP3E_IF_encode,(void* state, int16_t mode, int16_t* in, uint8_t* out, int16_t dtx)) \
AMR_FUNC(f,x, void, E_IF_exit, (void* state)) \
AMR_FUNC(f,x, void*, D_IF_init, (void)) \
AMR_FUNC(f,x, void, GP3D_IF_decode,(void* state, uint8_t* in, int16_t* out, int32_t bfi)) \
AMR_FUNC(f,x, void, D_IF_exit, (void* state)) \
#define AmrGp3EncoderInit() \
E_IF_init()
#define AmrGp3EncoderEncode(state, mode, in, out, forceSpeech) \
GP3E_IF_encode(state, mode, in, out, forceSpeech)
#define AmrGp3EncoderExit(state) \
E_IF_exit(state)
#define AmrGp3DecoderInit() \
D_IF_init()
#define AmrGp3DecoderDecode(state, in, out, bfi) \
GP3D_IF_decode(state, in, out, bfi)
#define AmrGp3DecoderExit(state) \
D_IF_exit(state)
#define AMR_GP3_DESC "amr-wb 3GPP reference library"
static const char* const amr_gp3_library_names[] =
{
#ifdef DL_AMRWB
"libamrwb-3",
"libamrwb",
"amrwb",
"cygamrwb-3",
#endif
NULL
};
#include "amr.h"
#endif /* HAVE_AMRWB */