194 lines
6.8 KiB
C
194 lines
6.8 KiB
C
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/*
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* Project: Direct Subband about 13000 bps coder and QUATERDECK 4160 bps decoder (LPC10 based)
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* Workfile: data.h
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* Author: Georges Zanellato, Alfred Wiesen
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* Created: 30 August 1995
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* Last update: 26 October 1995
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* DLL Version: 1.00
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* Revision:
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* Comment:
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*
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* (C) Copyright 1993-95 Lernout & Hauspie Speech Products N.V. (TM)
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* All rights reserved. Company confidential.
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*/
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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// Constant definitions
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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#define Fil_Lenght 8 // QMF filter lenght
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#define L_RES 128 // Subband frame lenght
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#define N_SB 3 // power(2,N_SB) = Number subband
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#define NETAGES 10 // Filter order
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#define NECHFEN 220 // Total window length
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#define FACTRECO 60 // Overlap length
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#define RECS2 30 // Half overlap length
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#define NECHDECAL 160 // Input frame size
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#define DECAL 160 // Input frame size
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#define SOUDECAL1 54 // First subframe size
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#define SOUDECAL 53 // Second and third subframe size
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#define LIM_P1 20 // Lowest possible value for PITCH
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#define LIM_P2 110 // Highest possible value for PITCH
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#define lngEE 148 // Excitation vector length
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#include "variable.h"
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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// Data types definitions
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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typedef short VAUTOC [NETAGES+1];
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typedef short VEE [lngEE];
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typedef short VSOU [SOUDECAL1];
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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// Instance data for coder
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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typedef struct C16008Data_Tag
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{
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// PhilF: This field needs to be at the top so that it can be accessed
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// by casting to PC16008DATA or PC4808DATA
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DWORD dwMaxBitRate;
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// Long term
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short zx0_i[2];
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// Long term
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short QMF_MEM_ANAL_I[112]; // Memory of QMF filter during analysis
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short memBP[9];
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// float Zb[5],Za[5]; // long term decimator
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// float mem1[2];
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#ifdef _X86_
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short imem1[2];
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#else
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int imem1[23];
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unsigned int uiDelayPosition;
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int iInputStreamTime;
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int iOutputStreamTime;
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#endif
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long memory[20];
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long nbbit[NBFAC];
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short nbsb_sp;
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short DIV_MAX; // div. factor for the greatest max of a the sb of a sp frame
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short MAX_LEVEL; // threshold below which a sb is replaced by white noise
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short NBSB_SP_MAX; // max nbr of sb treated as speech
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short nbbit_cf; // nber of bits required by the current frame of speech
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// PhilF: Since these depend on the bit rate, moved them from global to here...
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short quantif[2*NBSB_SP_MAX1_8000_12000]; //={QUANT_LEVELS};
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short bits[NBSB_SP_MAX1_8000_12000]; //={CODING_BITS};
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short codes_max[8]; // Quantized max. of each subband
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long codes_sb[16]; // Two codes for each of the quantified subbands
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short indic_sp[8]; // type of subband (0=noise; 1=speech)
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short DATA_I[512]; // Intermediate vector = input and output of QMF
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char stream[MAX_OUTPUT_BYTES_16000];
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} C16008DATA, *PC16008DATA;
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#ifdef CELP4800
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typedef struct C4808Data_Tag
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{
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// PhilF: This field needs to be at the top so that it can be accessed
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// by casting to PC16008DATA or PC4808DATA
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DWORD dwMaxBitRate;
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long DMSY[13]; // Synthesis memory filter
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short MINV[13]; // Filter memory
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short SIG[NECHFEN+SOUDECAL],M_PIT[160]; // Computation signal vectors
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VSOU E,E_PE; // Excitation vectors
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VEE EE; // Excitation vector
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short mem2[2]; // Input filter memory
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short mem_pit[2]; // Pitch memory
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short LSP0[10]; // LSP memory
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short SIG_CALP[380]; // RAM
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short UNVOIS,PITCH,SOULONG; // RAM
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long a,b; // RAM
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short ialf;
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long TLSP[24],VMAX[9]; // RAM
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long veci1[10],veci2[10],veci3[10]; // RAM
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long ttt[11]; // RAM
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short SIGPI[2*NECHDECAL+FACTRECO]; // RAM
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short zz[12];
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VAUTOC A1,A2,A3,Aw,LSP; // RAM
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VSOU H; // RAM
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short GLTP; // RAM
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short code[22]; // RAM
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short output_frame[6];
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short depl;
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short *ptr1; // RAM
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} C4808DATA, *PC4808DATA, *LPC4808DATA;
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#endif
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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// Instance data for decoder
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// ------------------------------------------------------------------------
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// ------------------------------------------------------------------------
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typedef struct D16008Data_Tag
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{
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// PhilF: This field needs to be at the top so that it can be accessed
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// by casting to PD16008DATA or PD4808DATA
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DWORD dwMaxBitRate;
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long memfil[20];
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short QMF_MEM_SYNT_I[112]; // Memory of QMF filter during synthesis
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// float mem2[2];
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#ifdef _X86_
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short imem2[2];
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#else
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int imem2[56];
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unsigned int uiDelayPosition;
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int iInputStreamTime;
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int iOutputStreamTime;
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#endif
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short out_mem[4];
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short out_mem2[20];
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long memory[20];
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short mem1,mem2;
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// PhilF: Since these depend on the bit rate, moved them from global to here...
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short quantif[2*NBSB_SP_MAX1_8000_12000]; //={QUANT_LEVELS};
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short bits[NBSB_SP_MAX1_8000_12000]; //={CODING_BITS};
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long lRand;
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short synth_speech[224];
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short d_codes_max[8]; // Quantified max. of each subband
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long d_codes_sb[16]; // Two codes for each of the quantified subbands
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short d_indic_sp[8]; // type of subband (0=noise; 1=speech)
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short d_DATA_I[512]; // Intermediate vector = input and output of QMF
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char d_stream[MAX_OUTPUT_BYTES_16000];
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short d_num_bandes;
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} D16008DATA, *PD16008DATA;
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#ifdef CELP4800
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typedef struct D4808Data_Tag
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{
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// PhilF: This field needs to be at the top so that it can be accessed
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// by casting to PD16008DATA or PD4808DATA
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DWORD dwMaxBitRate;
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long memfil[32]; // Synthesis filter memory
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short MSYNTH[13]; // Filter memory
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VSOU E; // Excitation vector
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VEE EE,EEE; // Excitation vectors
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short LSP0[10]; // LSP memory
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short PITCH,SOULONG; // RAM
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long TLSP[24]; // RAM
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VAUTOC A1,A2,A3,LSP; // RAM
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short GLTP;
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short ss[DECAL]; // RAM
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short code[22]; // RAM
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short frame[6]; // RAM
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short depl; // RAM
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} D4808DATA, *PD4808DATA, *LPD4808DATA;
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#endif
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