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Diffstat (limited to 'opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/pvamrwbdecoder_cnst.h')
| -rw-r--r-- | opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/pvamrwbdecoder_cnst.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/pvamrwbdecoder_cnst.h b/opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/pvamrwbdecoder_cnst.h new file mode 100644 index 0000000..16b5127 --- /dev/null +++ b/opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/pvamrwbdecoder_cnst.h @@ -0,0 +1,134 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/**************************************************************************************** +Portions of this file are derived from the following 3GPP standard: + + 3GPP TS 26.173 + ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec + Available from http://www.3gpp.org + +(C) 2007, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) +Permission to distribute, modify and use this file under the standard license +terms listed above has been obtained from the copyright holder. +****************************************************************************************/ +/* +------------------------------------------------------------------------------ + + Name: pvamrwbdecoder_cnst.h + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + Main header file for the Packet Video AMR Wide Band decoder library. The + constants, structures, and functions defined within this file, along with + a basic data types header file, is all that is needed to use and communicate + with the library. The internal data structures within the library are + purposely hidden. + + +------------------------------------------------------------------------------ + REFERENCES + + (Normally header files do not have a reference section) + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ + +#ifndef PVAMRWBDECODER_CNST_H +#define PVAMRWBDECODER_CNST_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +#define L_FRAME 256 /* Frame size */ +#define L_SUBFR16k 80 /* Subframe size at 16kHz */ + +#define L_SUBFR 64 /* Subframe size */ +#define NB_SUBFR 4 /* Number of subframe per frame */ + +#define L_NEXT 64 /* Overhead in LP analysis */ +#define L_WINDOW 384 /* window size in LP analysis */ +#define L_TOTAL 384 /* Total size of speech buffer. */ +#define M 16 /* Order of LP filter */ +#define M16k 20 + +#define L_FILT16k 15 /* Delay of down-sampling filter */ +#define L_FILT 12 /* Delay of up-sampling filter */ + +#define GP_CLIP 15565 /* Pitch gain clipping = 0.95 Q14 */ +#define PIT_SHARP 27853 /* pitch sharpening factor = 0.85 Q15 */ + +#define PIT_MIN 34 /* Minimum pitch lag with resolution 1/4 */ +#define PIT_FR2 128 /* Minimum pitch lag with resolution 1/2 */ +#define PIT_FR1_9b 160 /* Minimum pitch lag with resolution 1 */ +#define PIT_FR1_8b 92 /* Minimum pitch lag with resolution 1 */ +#define PIT_MAX 231 /* Maximum pitch lag */ +#define L_INTERPOL (16+1) /* Length of filter for interpolation */ + +#define OPL_DECIM 2 /* Decimation in open-loop pitch analysis */ + +#define PREEMPH_FAC 22282 /* preemphasis factor (0.68 in Q15) */ +#define GAMMA1 30147 /* Weighting factor (numerator) (0.92 in Q15) */ +#define TILT_FAC 22282 /* tilt factor (denominator) (0.68 in Q15) */ + +#define Q_MAX 8 /* scaling max for signal (see syn_filt_32) */ + +#define RANDOM_INITSEED 21845 /* own random init value */ + +#define L_MEANBUF 3 +#define ONE_PER_MEANBUF 10923 + +#define MODE_7k 0 +#define MODE_9k 1 +#define MODE_12k 2 +#define MODE_14k 3 +#define MODE_16k 4 +#define MODE_18k 5 +#define MODE_20k 6 +#define MODE_23k 7 +#define MODE_24k 8 +#define MRDTX 9 +//#define NUM_OF_MODES 10 /* see bits.h for bits definition */ + +#define EHF_MASK (int16)0x0008 /* homing frame pattern */ + +#define BIT_0 (int16)-127 +#define BIT_1 (int16)127 +#define BIT_0_ITU (int16)0x007F +#define BIT_1_ITU (int16)0x0081 + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif |