ref: ea405f02c7390df7012c2d93e8480f5520e4752e
dir: /src/amr-nb.c/
/* File format: AMR-NB (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 this format with SoX, first build & install:
* http://ftp.penguin.cz/pub/users/utx/amr/amrnb-w.x.y.z.tar.bz2
* or install equivalent package(s) e.g. marillat.
*/
#include "sox_i.h"
#ifdef HAVE_AMRNB
#ifdef HAVE_OPENCORE_AMRNB_INTERF_DEC_H
enum Mode { amrnb_mode_dummy };
int Encoder_Interface_Encode(void* state, enum Mode mode, const short* speech, unsigned char* out, int forceSpeech);
void* Encoder_Interface_init(int dtx);
void Encoder_Interface_exit(void* state);
void Decoder_Interface_Decode(void* state, const unsigned char* in, short* out, int bfi);
void* Decoder_Interface_init(void);
void Decoder_Interface_exit(void* state);
#define AMR_FUNC_ENTRIES(f,x) \
AMR_FUNC(f,x, int, Encoder_Interface_Encode, (void* state, enum Mode mode, const short* speech, unsigned char* out, int forceSpeech)) \
AMR_FUNC(f,x, void*, Encoder_Interface_init, (int dtx)) \
AMR_FUNC(f,x, void, Encoder_Interface_exit, (void* state)) \
AMR_FUNC(f,x, void, Decoder_Interface_Decode, (void* state, const unsigned char* in, short* out, int bfi)) \
AMR_FUNC(f,x, void*, Decoder_Interface_init, (void)) \
AMR_FUNC(f,x, void, Decoder_Interface_exit, (void* state))
#define D_IF_decode Decoder_Interface_Decode
#define D_IF_exit Decoder_Interface_exit
#define D_IF_init Decoder_Interface_init
#define E_IF_encode Encoder_Interface_Encode
#define E_IF_exit Encoder_Interface_exit
#define E_IF_init() Encoder_Interface_init(1)
#else /* HAVE_OPENCORE_AMRNB_INTERF_DEC_H */
enum amrnb_mode { amrnb_mode_dummy };
int GP3VADxEncoder_Interface_Encode(void *st, enum amrnb_mode mode, short *speech, unsigned char *serial, int forceSpeech, char vad2_code);
void *VADxEncoder_Interface_init(int dtx, char vad2_code);
void Encoder_Interface_exit(void *state);
void GP3Decoder_Interface_Decode(void *st, unsigned char *bits, short *synth, int bfi);
void *Decoder_Interface_init(void);
void Decoder_Interface_exit(void *state);
#define AMR_FUNC_ENTRIES(f,x) \
AMR_FUNC(f,x, int, GP3VADxEncoder_Interface_Encode, (void *st, enum amrnb_mode mode, short *speech, unsigned char *serial, int forceSpeech, char vad2_code)) \
AMR_FUNC(f,x, void*, VADxEncoder_Interface_init, (int dtx, char vad2_code)) \
AMR_FUNC(f,x, void, Encoder_Interface_exit, (void *state)) \
AMR_FUNC(f,x, void, GP3Decoder_Interface_Decode, (void *st, unsigned char *bits, short *synth, int bfi)) \
AMR_FUNC(f,x, void*, Decoder_Interface_init, (void)) \
AMR_FUNC(f,x, void, Decoder_Interface_exit, (void *state))
#define E_IF_encode(st,m,sp,ser,fs) \
GP3VADxEncoder_Interface_Encode(st,m,sp,ser,fs,0)
#define E_IF_init() VADxEncoder_Interface_init(1,0)
#define E_IF_exit Encoder_Interface_exit
#define D_IF_decode GP3Decoder_Interface_Decode
#define D_IF_init Decoder_Interface_init
#define D_IF_exit Decoder_Interface_exit
#endif /* HAVE_OPENCORE_AMRNB_INTERF_DEC_H */
static const unsigned amrnb_block_size[] = {13,14,16,18,20,21,27,32,6,0,0,0,0,0,0,1};
#define block_size amrnb_block_size
static char const magic[] = "#!AMR\n";
#define AMR_CODED_MAX 32 /* max coded size */
#define AMR_ENCODING SOX_ENCODING_AMR_NB
#define AMR_FORMAT_FN lsx_amr_nb_format_fn
#define AMR_FRAME 160 /* 20ms @ 8kHz */
#define AMR_MODE_MAX 7
#define AMR_NAMES "amr-nb", "anb"
#define AMR_RATE 8000
#define AMR_DESC "amr-nb library"
#if !defined(HAVE_LIBLTDL)
#undef DL_AMRNB
#endif
static const char* const amr_library_names[] =
{
#ifdef DL_AMRNB
#ifdef HAVE_OPENCORE_AMRNB_INTERF_DEC_H
"libopencore-amrnb",
#else
"libamrnb-3",
"libamrnb",
"amrnb",
#endif
#endif
NULL
};
#ifdef DL_AMRNB
#define AMR_FUNC LSX_DLENTRY_DYNAMIC
#else
#define AMR_FUNC LSX_DLENTRY_STATIC
#endif /* DL_AMRNB */
#include "amr.h"
#endif /* HAVE_AMRNB */