ref: 0d70a21c6f98575984c28f4e98a1fbf929195456
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 */