www.pudn.com > g729Decoder.rar > PST.h
;==========================================================================
; Copyright: (c) Copyright 1996 MultiDSP, Inc
;
; 4865 Linaro Dr.
; Cypress, CA 90630
;
;
; File Name
; ----------
; PST.H
;
;
; Revision Number Author
; --------------- ------
; 1.0 LING WAN
;
;
; Brief Description of the Code:
; ------------------------------
; Memory map for routines in PST.C
;
; Ref
; ------
;
;==========================================================================
.include const.h
.asg "Addr_rr", Addr_pst_local_buf
.asg "Addr_pst_local_buf" , Addr_Post_local_buf
.asg "End_Of_Addr_Post_local_buf" , Addr_pst_ltp_local_buf
.asg "End_Of_pst_ltp_local_buf1" , Addr_search_del_local_buf
.asg "End_Of_Addr_Post_local_buf" , Addr_calc_st_filt_local_buf
.asg "End_Of_Addr_calc_st_filt_buf" , Addr_calc_rc0_h_local_buf
.asg "End_Of_Addr_Post_local_buf" , Addr_filt_mu_local_buf
.asg "End_Of_Addr_Post_local_buf" , Addr_scale_st_local_buf
;-----------------------------------
; - Static arrays and variables -
;-----------------------------------
; -- Arrays --
; static Word16 apond2[LONG_H_ST]; /* global pointer : ptr_apond2 */
; Note: apond2[0] = 0x1000;
; static Word16 mem_stp[M]; /* global pointer : ptr_mem_stp */
; static Word16 mem_zero[M]; /* global pointer : ptr_mem_zero */
; static Word16 res2[SIZ_RES2]; /* global pointer : ptr_res2 */
; -- pointers --
; Word16 *res2_ptr; /* main() local pointer : res2_ptr */
; Word16 *ptr_mem_stp; /* main() local pointer : ptr_mem_stp */
; -- Variables --
; Word16 gain_prec; /* main() local memory : ptr_gain_prec */
; Word16 sf_voic /* main() local memory : Addr_sf_voic */
;=============================================================================
;-----------------------------------
; ---- Memory map for Post() ----
;-----------------------------------
; void Post(
; Word16 t0, /* input, main() local memory : Addr_T0 */
; Word16 *signal_ptr, /* input, global pointer : ptr_synth */
; Word16 *coeff, /* input, main() local pointer: ptr_Az */
; Word16 *sig_out, /* output, global pointer : ptr_pst_out */
; Word16 *vo /* output, global pointer : Addr_sf_voic */
; /* Addr_sf_voic checked,stored to ptr_voicing */
; )
;-----------------------------------
; -- Local variables and arrays --
;-----------------------------------
; Word16 apond1[MP1]; /* Post() local memory : Addr_apond1 */
.asg "Addr_Post_local_buf", Addr_apond1
; *** Addr_apond1 uses circular buffer, size of M ***
; Word16 sig_ltp[L_SUBFRP1]; /* Post() local memory : Addr_sig_ltp */
.asg "Addr_Post_local_buf + M", Addr_sig_ltp
; Word16 *sig_ltp_ptr; /* sig_ltp_ptr = Addr_sig_ltp + 1 */
.asg "Addr_Post_local_buf + M + L_SUBFRP1", sig_ltp_ptr
; Word16 parcor0; /* Post() local memory : Addr_parcor0 */
.asg "Addr_Post_local_buf + M + L_SUBFRP1 + 1", Addr_parcor0
;the following memory is for Weight_AZ()
; Word16 gamma;
.asg "Addr_Post_local_buf + M + L_SUBFRP1 + 2", gamma
.asg "gamma + 1", End_Of_Addr_Post_local_buf
;=============================================================================
;----------------------------------
; -- Memory map for pst_ltp() --
;----------------------------------
; static void pst_ltp(
; Word16 t0, /* input : Addr_T0 */
; Word16 *ptr_sig_in, /* input : res2_ptr = ptr_res2 + MEM_RES2 */
; Word16 *ptr_sig_pst0, /* output: sig_ltp_ptr = Addr_sig_ltp + 1 */
; Word16 *vo /* output: Addr_sf_voic */
; )
;
;Note: pst_ltp_local_buf1 and search_del_local_buf1 at the same page
;-----------------------------------
; -- Local variables and arrays --
;-----------------------------------
.asg "Addr_pst_ltp_local_buf", pst_ltp_local_buf1
; Word16 ltpdel, phase;
.asg "pst_ltp_local_buf1 + 0", ltpdel
.asg "pst_ltp_local_buf1 + 1", phase
; Word16 num_gltp, den_gltp, num2_gltp, den2_gltp;
.asg "pst_ltp_local_buf1 + 2", num2_gltp
.asg "pst_ltp_local_buf1 + 3", num_gltp
.asg "pst_ltp_local_buf1 + 4", den2_gltp
.asg "pst_ltp_local_buf1 + 5", den_gltp
; Word16 sh_num, sh_den, sh_num2, sh_den2;
.asg "pst_ltp_local_buf1 + 6", sh_num2
.asg "pst_ltp_local_buf1 + 7", sh_num
.asg "pst_ltp_local_buf1 + 8", sh_den2
.asg "pst_ltp_local_buf1 + 9", sh_den
; Word16 gain_plt;
.asg "pst_ltp_local_buf1 + 10", gain_plt
; Word16 nb_sh_sig, shift;
.asg "pst_ltp_local_buf1 + 11", nb_sh_sig
.asg "pst_ltp_local_buf1 + 11", shift
; Word16 *ptr_y_up;
.asg "pst_ltp_local_buf1 + 12", ptr_y_up
; Word16 off_yup;
.asg "pst_ltp_local_buf1 + 13", off_yup
; Word16 *ptr_sig_cadr;
.asg "pst_ltp_local_buf1 + 14", ptr_sig_cadr
;the following memory is for Addr_select_ltp_local_buf
; Word16 temp;
.asg "pst_ltp_local_buf1 + 15", temp
; Word32 L_temp1, L_temp2;
.asg "pst_ltp_local_buf1 + 16", L_temp1
.asg "pst_ltp_local_buf1 + 18", L_temp2
.asg "pst_ltp_local_buf1 + 20", End_Of_pst_ltp_local_buf1
.asg "End_Of_search_del_local_buf1", pst_ltp_local_buf2
; Word16 y_up[SIZ_Y_UP];
.asg "pst_ltp_local_buf2", Addr_y_up
; Word16 sig_cadr[SIZ_RES2];
.asg "pst_ltp_local_buf2 + SIZ_Y_UP", Addr_sig_cadr
.asg "Addr_sig_cadr + SIZ_RES2", End_Of_Addr_pst_ltp_local_buf
;=============================================================================
;-------------------------------------
; -- Memory map for search_del() --
;-------------------------------------
; static void search_del(
; Word16 t0, /* input : Addr_T0 */
; Word16 *ptr_sig_in, /* input : Addr_sig_cadr + MEM_RES2 */
; Word16 *ltpdel, /* output: ltpdel */
; Word16 *phase, /* output: phase */
; Word16 *num_gltp, /* output: num_gltp */
; Word16 *den_gltp, /* output: den_gltp */
; Word16 *sh_num_gltp, /* output: sh_num */
; Word16 *sh_den_gltp, /* output: sh_den */
; Word16 *y_up, /* output: Addr_y_up */
; Word16 *off_yup /* output: off_yup */
; )
;
;Note: pst_ltp_local_buf1 and search_del_local_buf1 at the same page
;-----------------------------------
; -- Local variables and arrays --
;-----------------------------------
.asg "Addr_search_del_local_buf", search_del_local_buf1
; Word32 L_num_int, L_den_int, L_den_max;
.asg "search_del_local_buf1 + 0", L_num_int
.asg "search_del_local_buf1 + 2", L_den_int
.asg "search_del_local_buf1 + 4", L_den_max
; Word32 L_numsq, L_numsq_max;
.asg "search_del_local_buf1 + 6", L_numsq
.asg "search_del_local_buf1 + 8", L_numsq_max
; Word32 *ptr_L_den0, *ptr_L_den1;
.asg "search_del_local_buf1 + 10", ptr_L_den0
.asg "search_del_local_buf1 + 11", ptr_L_den1
; Word16 ener, sh_ener;
.asg "search_del_local_buf1 + 12", ener
.asg "search_del_local_buf1 + 13", sh_ener
; Word16 num, den0, den1, den_max, num_max;
.asg "search_del_local_buf1 + 14", num
.asg "search_del_local_buf1 + 15", num_max
.asg "search_del_local_buf1 + 16", den0
.asg "search_del_local_buf1 + 16", den1
.asg "search_del_local_buf1 + 17", den_max
; Word16 i_max, lambda, phi, phi_max, ioff;
.asg "search_del_local_buf1 + 18", i_max
.asg "search_del_local_buf1 + 19", lambda
.asg "search_del_local_buf1 + 20", phi_max
.asg "search_del_local_buf1 + 21", ioff
; Word16 *ptr_sig_past0;
.asg "search_del_local_buf1 + 22", ptr_sig_past0
; Word16 *ptr_y_up;
; .asg "pst_ltp_local_buf1 + 12", ptr_y_up
.asg "search_del_local_buf1 + 24", End_Of_search_del_local_buf1
.asg "End_Of_Addr_pst_ltp_local_buf+1", search_del_local_buf2
; Word32 L_den0[F_UP_PST-1];
.asg "search_del_local_buf2", Addr_L_den0
; Word32 L_den1[F_UP_PST-1];
.asg "search_del_local_buf2 + (F_UP_PST - 1)*2", Addr_L_den1
.asg "Addr_L_den1 + (F_UP_PST - 1)*2", End_Of_Addr_search_del_local_buf
;=============================================================================
;----------------------------------------
; -- Memory map for compute_ltp_l() --
;----------------------------------------
; static void compute_ltp_l(
; Word16 *s_in, /* input : ptr_sig_cadr= Addr_sig_cadr + MEM_RES2 */
; Word16 ltpdel, /* input : ltpdel */
; Word16 phase, /* input : phase */
; Word16 *y_up, /* output: sig_ltp_ptr = Addr_sig_ltp + 1 */
; Word16 *num, /* output: num2_gltp */
; Word16 *den, /* output: den2_gltp */
; Word16 *sh_num, /* output: sh_num2 */
; Word16 *sh_den /* output: sh_den2 */
; )
;-----------------------------------
; -- Local variables and arrays --
;-----------------------------------
; None
;=============================================================================
;-------------------------------------
; -- Memory map for select_ltp() --
;-------------------------------------
; static Word16 select_ltp( /* output : 1 = 1st gain, 2 = 2nd gain */
; Word16 num1, /* input : num_gltp */
; Word16 den1, /* input : den_gltp */
; Word16 sh_num1, /* input : sh_num */
; Word16 sh_den1, /* input : sh_den */
; Word16 num2, /* input : num2_gltp */
; Word16 den2, /* input : den2_gltp */
; Word16 sh_num2, /* input : sh_num2 */
; Word16 sh_den2 /* input : sh_den2 */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; Word32 L_temp1, L_temp2;
; .asg "Addr_select_ltp_local_buf", L_temp1
; .asg "Addr_select_ltp_local_buf + 2", L_temp2
;=============================================================================
;-----------------------------------
; -- Memory map for filt_plt() --
;-----------------------------------
; static void filt_plt(
; Word16 *s_in, /* input : res2_ptr -> s_in */
; Word16 *s_ltp, /* input : ptr_y_up -> s_ltp */
; Word16 *s_out, /* output: sig_ltp_ptr = sig_ltp + 1 */
; Word16 gain_plt /* input : gain_plt */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; None
;=============================================================================
;---------------------------------------
; -- Memory map for calc_st_filt() --
;---------------------------------------
; static void calc_st_filt(
; Word16 *apond2, /* input : ptr_apond2 -> apond2 */
; Word16 *apond1, /* input : Addr_apond1 */
; Word16 *parcor0, /* output: Addr_parcor0 */
; Word16 *sig_ltp_ptr /* in/out: sig_ltp_ptr */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; Word16 h[LONG_H_ST];
.asg "Addr_calc_st_filt_local_buf", Addr_h
; Word32 L_g0;
.asg "Addr_calc_st_filt_local_buf + LONG_H_ST", L_g0
.asg "L_g0", End_Of_Addr_calc_st_filt_buf
;=============================================================================
;---------------------------------------
; -- Memory map for calc_rc0_h() --
;---------------------------------------
; static void calc_rc0_h(
; Word16 *h, /* input : Addr_h */
; Word16 *rc0 /* output: Addr_parcor0 */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; Word16 acf0, sh_acf, acf1;
.asg "Addr_calc_rc0_h_local_buf + 0", acf0
.asg "Addr_calc_rc0_h_local_buf + 1", sh_acf
.asg "Addr_calc_rc0_h_local_buf + 1", acf1
;=============================================================================
;----------------------------------
; -- Memory map for filt_mu() --
;----------------------------------
; static void filt_mu(
; Word16 *sig_in, /* input : Addr_sig_ltp (beginning at sample -1) */
; Word16 *sig_out, /* output: ptr_pst_out -> sig_out */
; Word16 parcor0 /* input : Addr_parcor0 (mu = parcor0 * gamma3) */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; Word16 mu, ga;
.asg "Addr_filt_mu_local_buf", mu
.asg "Addr_filt_mu_local_buf + 1", ga
; Word32 L_fact;
.asg "Addr_filt_mu_local_buf + 2", L_fact
;=============================================================================
;-----------------------------------
; -- Memory map for scale_st() --
;-----------------------------------
; static void scale_st(
; Word16 *sig_in, /* input : ptr_synth -> sig_in */
; Word16 *sig_out, /* in/out: ptr_pst_out -> sig_out */
; Word16 *gain_prec /* in/out: ptr_gain_prec */
; )
;------------------------------------
; -- Local variables and arrays --
;------------------------------------
; Word16 scal_in, scal_out;
.asg "Addr_scale_st_local_buf + 0", scal_in
.asg "Addr_scale_st_local_buf + 1", scal_out
; Word16 s_g_in, s_g_out, sh_g0, g0;
.asg "Addr_scale_st_local_buf + 2", s_g_in
.asg "Addr_scale_st_local_buf + 3", s_g_out
.asg "Addr_scale_st_local_buf + 4", sh_g0
.asg "Addr_scale_st_local_buf + 5", g0
; Word16 gain;
.asg "Addr_scale_st_local_buf + 0", gain
; Word16 AGC_FAC_buf;
.asg "Addr_scale_st_local_buf + 1", AGC_FAC_buf
; Word16 round_bit;
.asg "Addr_scale_st_local_buf + 2", round_bit