From 14c854543b1a3cf344a371a5b45595657f95786b Mon Sep 17 00:00:00 2001 From: leochanj105 Date: Tue, 26 Oct 2021 13:22:32 -0400 Subject: add deadlines and costs --- all_pairs/source/adpcm_enc/ChangeLog.txt | 34 -- all_pairs/source/adpcm_enc/adpcm_enc.c | 756 ------------------------------- 2 files changed, 790 deletions(-) delete mode 100644 all_pairs/source/adpcm_enc/ChangeLog.txt delete mode 100644 all_pairs/source/adpcm_enc/adpcm_enc.c (limited to 'all_pairs/source/adpcm_enc') diff --git a/all_pairs/source/adpcm_enc/ChangeLog.txt b/all_pairs/source/adpcm_enc/ChangeLog.txt deleted file mode 100644 index 0029192..0000000 --- a/all_pairs/source/adpcm_enc/ChangeLog.txt +++ /dev/null @@ -1,34 +0,0 @@ -File: adpcm_enc.c -Original provenience: C Algorithms for Real-Time DSP by P. M. Embree - -2016-03-07: -- Rename adpcm_encode to adpcm_enc -- Add generic TACLeBench header -- Remove #define Seoul_Mate around main -- Remove swedish comment after setting frequency to 2000 -- Introduce adpcm_enc_init, adpcm_main, adpcm_return -- Make test_data and compressed global variables -2016-04-26: -- Remove forward declarations of functions gaussian, iir_filter, fir_filter, - fft, setup_codec, key_down, int_enable, int_disable, flags, getinput, - sendout, which are never defined -- Remove commented declarations of invqxl and invqah -- Remove unused structure COMPLEX -- Remove prefix my_ from functions names my_fabs, my_cos, my_sin, my_abs -- Prefix all global symbols with benchmark name -- Remove variables accumc and accumd together with their initialization loop, - since they are never read -- Remove unused variables xs and xd -- Remove unused array wl_table -- Remove unused variable rs and rh -- Remove unused variables and their initializations (only required for decoder): - ilr, yl, rl, dec_deth, dec_del_bpl, dec_plt, dec_plt1, dec_plt2, dec_szl, - dec_spl, dec_sl, dec_rlt1, dec_rlt2, dec_rlt, dec_al1, dec_al2, dl, dec_nbl, - dec_yh, dec_dh, dec_nbh, dec_rh2, dec_ah1, dec_ah2, dec_ph, dec_sph, dec_sh, - dec_rh, dec_ph1, dec_ph2, -- Add addition on each element of input data with volatile variable to - avoid constant-propagation optimizations through the compoiler -- Add computation of check sum -- Add return return statement: zero if check sum is correct -2016-05-20: -- Apply code formatting with astyle diff --git a/all_pairs/source/adpcm_enc/adpcm_enc.c b/all_pairs/source/adpcm_enc/adpcm_enc.c deleted file mode 100644 index 118382f..0000000 --- a/all_pairs/source/adpcm_enc/adpcm_enc.c +++ /dev/null @@ -1,756 +0,0 @@ -/* - - This program is part of the TACLeBench benchmark suite. - Version V 2.0 - - Name: adpcm_enc - - Author: Sung-Soo Lim - - Function: CCITT G.722 ADPCM (Adaptive Differential Pulse Code Modulation) - algorithm. 16khz sample rate data is stored in the array test_data[SIZE]. - Results are stored in the array compressed[SIZE]. - Execution time is determined by the constant SIZE (default value is 2000). - - - Source: C Algorithms for Real-Time DSP by P. M. Embree - and SNU-RT Benchmark Suite for Worst Case Timing Analysis - collected and modified by S.-S. Lim - - Original name: adpcm_encoder - - Changes: no major functional changes - - License: may be used, modified, and re-distributed freely, but the - SNU-RT Benchmark Suite must be acknowledged - -*/ - - -/* common sampling rate for sound cards on IBM/PC */ - -#include "extra.h" -#define SAMPLE_RATE 11025 - -#define PI 3141 -#define SIZE 3 -#define IN_END 4 - - -/* - Forward declaration of functions -*/ - -int adpcm_enc_encode( int, int ); -int adpcm_enc_filtez( int *bpl, int *dlt ); -void adpcm_enc_upzero( int dlt, int *dlti, int *bli ); -int adpcm_enc_filtep( int rlt1, int al1, int rlt2, int al2 ); -int adpcm_enc_quantl( int el, int detl ); -int adpcm_enc_logscl( int il, int nbl ); -int adpcm_enc_scalel( int nbl, int shift_constant ); -int adpcm_enc_uppol2( int al1, int al2, int plt, int plt1, int plt2 ); -int adpcm_enc_uppol1( int al1, int apl2, int plt, int plt1 ); -int adpcm_enc_logsch( int ih, int nbh ); -void adpcm_enc_reset(); -int adpcm_enc_fabs( int n ); -int adpcm_enc_cos( int n ); -int adpcm_enc_sin( int n ); -int adpcm_enc_abs( int n ); -void adpcm_enc_init(void); -void adpcm_enc_main(void); -int adpcm_enc_return(void); -//int main(void); - -/* - Forward declaration of global variables -*/ - -int adpcm_enc_test_data[SIZE * 2], adpcm_enc_compressed[SIZE]; - - -/* G722 C code */ - -/* variables for transimit quadrature mirror filter here */ -int adpcm_enc_tqmf[24]; - -/* QMF filter coefficients: -scaled by a factor of 4 compared to G722 CCITT recommendation */ -int adpcm_enc_h[24] = { - 12, -44, -44, 212, 48, -624, 128, 1448, - -840, -3220, 3804, 15504, 15504, 3804, -3220, -840, - 1448, 128, -624, 48, 212, -44, -44, 12 -}; - -int adpcm_enc_xl, adpcm_enc_xh; - -/* variables for encoder (hi and lo) here */ - -int adpcm_enc_il, adpcm_enc_szl, adpcm_enc_spl, adpcm_enc_sl, adpcm_enc_el; - -int adpcm_enc_qq4_code4_table[16] = { - 0, -20456, -12896, -8968, -6288, -4240, -2584, -1200, - 20456, 12896, 8968, 6288, 4240, 2584, 1200, 0 -}; - -int adpcm_enc_qq5_code5_table[32] = { - -280, -280, -23352, -17560, -14120, -11664, -9752, -8184, - -6864, -5712, -4696, -3784, -2960, -2208, -1520, -880, - 23352, 17560, 14120, 11664, 9752, 8184, 6864, 5712, - 4696, 3784, 2960, 2208, 1520, 880, 280, -280 -}; - -int adpcm_enc_qq6_code6_table[64] = { - -136, -136, -136, -136, -24808, -21904, -19008, -16704, --14984, -13512, -12280, -11192, -10232, -9360, -8576, -7856, - -7192, -6576, -6000, -5456, -4944, -4464, -4008, -3576, - -3168, -2776, -2400, -2032, -1688, -1360, -1040, -728, - 24808, 21904, 19008, 16704, 14984, 13512, 12280, 11192, - 10232, 9360, 8576, 7856, 7192, 6576, 6000, 5456, - 4944, 4464, 4008, 3576, 3168, 2776, 2400, 2032, - 1688, 1360, 1040, 728, 432, 136, -432, -136 -}; - -int adpcm_enc_delay_bpl[6]; - -int adpcm_enc_delay_dltx[6]; - -int adpcm_enc_wl_code_table[16] = { - -60, 3042, 1198, 538, 334, 172, 58, -30, - 3042, 1198, 538, 334, 172, 58, -30, -60 -}; - -int adpcm_enc_ilb_table[32] = { - 2048, 2093, 2139, 2186, 2233, 2282, 2332, 2383, - 2435, 2489, 2543, 2599, 2656, 2714, 2774, 2834, - 2896, 2960, 3025, 3091, 3158, 3228, 3298, 3371, - 3444, 3520, 3597, 3676, 3756, 3838, 3922, 4008 -}; - -int adpcm_enc_nbl; /* delay line */ -int adpcm_enc_al1, adpcm_enc_al2; -int adpcm_enc_plt, adpcm_enc_plt1, adpcm_enc_plt2; -int adpcm_enc_dlt; -int adpcm_enc_rlt, adpcm_enc_rlt1, adpcm_enc_rlt2; - -/* decision levels - pre-multiplied by 8, 0 to indicate end */ -int adpcm_enc_decis_levl[30] = { - 280, 576, 880, 1200, 1520, 1864, 2208, 2584, - 2960, 3376, 3784, 4240, 4696, 5200, 5712, 6288, - 6864, 7520, 8184, 8968, 9752, 10712, 11664, 12896, - 14120, 15840, 17560, 20456, 23352, 32767 -}; - -int adpcm_enc_detl; - -/* quantization table 31 long to make quantl look-up easier, -last entry is for mil=30 case when wd is max */ -int adpcm_enc_quant26bt_pos[31] = { - 61, 60, 59, 58, 57, 56, 55, 54, - 53, 52, 51, 50, 49, 48, 47, 46, - 45, 44, 43, 42, 41, 40, 39, 38, - 37, 36, 35, 34, 33, 32, 32 -}; - -/* quantization table 31 long to make quantl look-up easier, -last entry is for mil=30 case when wd is max */ -int adpcm_enc_quant26bt_neg[31] = { - 63, 62, 31, 30, 29, 28, 27, 26, - 25, 24, 23, 22, 21, 20, 19, 18, - 17, 16, 15, 14, 13, 12, 11, 10, - 9, 8, 7, 6, 5, 4, 4 -}; - - -int adpcm_enc_deth; -int adpcm_enc_sh; /* this comes from adaptive predictor */ -int adpcm_enc_eh; - -int adpcm_enc_qq2_code2_table[4] = { - -7408, -1616, 7408, 1616 -}; - -int adpcm_enc_wh_code_table[4] = { - 798, -214, 798, -214 -}; - - -int adpcm_enc_dh, adpcm_enc_ih; -int adpcm_enc_nbh, adpcm_enc_szh; -int adpcm_enc_sph, adpcm_enc_ph, adpcm_enc_yh; - -int adpcm_enc_delay_dhx[6]; -int adpcm_enc_delay_bph[6]; - -int adpcm_enc_ah1, adpcm_enc_ah2; -int adpcm_enc_ph1, adpcm_enc_ph2; -int adpcm_enc_rh1, adpcm_enc_rh2; - - -/* G722 encode function two ints in, one 8 bit output */ - -/* put input samples in xin1 = first value, xin2 = second value */ -/* returns il and ih stored together */ - - -/* MAX: 1 */ -int adpcm_enc_abs( int n ) -{ - int m; - - - if ( n >= 0 ) - m = n; - else - m = -n; - - return m; -} - - -/* MAX: 1 */ -int adpcm_enc_fabs( int n ) -{ - int f; - - - if ( n >= 0 ) - f = n; - else - f = -n; - - return f; -} - - -int adpcm_enc_sin( int rad ) -{ - int diff; - int app = 0; - int inc = 1; - - - /* MAX dependent on rad's value, say 50 */ - _Pragma("loopbound min 0 max 0") - while ( rad > 2 * PI ) { - rad -= 2 * PI; - } - - /* MAX dependent on rad's value, say 50 */ - _Pragma("loopbound min 0 max 1999") - while ( rad < -2 * PI ) { - rad += 2 * PI; - } - - diff = rad; - app = diff; - diff = (diff * (-(rad*rad))) / ((2 * inc) * (2 * inc + 1)); - app = app + diff; - inc++; - - /* REALLY: while(my_fabs(diff) >= 0.00001) { */ - /* MAX: 1000 */ - _Pragma("loopbound min 849 max 2424") - while ( adpcm_enc_fabs( diff ) >= 1 ) { - diff = (diff * (-(rad*rad))) / ((2 * inc) * (2 * inc + 1)); - app = app + diff; - inc++; - } - - return app; -} - - -int adpcm_enc_cos( int rad ) -{ - return( adpcm_enc_sin( PI / 2 - rad ) ); -} - - -/* MAX: 1 */ -int adpcm_enc_encode( int xin1, int xin2 ) -{ - int i; - int *h_ptr, *tqmf_ptr, *tqmf_ptr1; - long int xa, xb; - int decis; - - - /* transmit quadrature mirror filters implemented here */ - h_ptr = adpcm_enc_h; - tqmf_ptr = adpcm_enc_tqmf; - xa = (long)(*tqmf_ptr++) * (*h_ptr++); - xb = (long)(*tqmf_ptr++) * (*h_ptr++); - - /* main multiply accumulate loop for samples and coefficients */ - /* MAX: 10 */ - _Pragma("loopbound min 10 max 10") - for ( i = 0; i < 10; i++ ) { - xa += (long)(*tqmf_ptr++) * (*h_ptr++); - xb += (long)(*tqmf_ptr++) * (*h_ptr++); - } - - /* final mult/accumulate */ - xa += (long)(*tqmf_ptr++) * (*h_ptr++); - xb += (long)(*tqmf_ptr) * (*h_ptr++); - - /* update delay line tqmf */ - tqmf_ptr1 = tqmf_ptr - 2; - /* MAX: 22 */ - _Pragma("loopbound min 22 max 22") - for ( i = 0; i < 22; i++ ) { - *tqmf_ptr-- = *tqmf_ptr1--; - } - - *tqmf_ptr-- = xin1; - *tqmf_ptr = xin2; - - /* scale outputs */ - adpcm_enc_xl = (xa + xb) >> 15; - adpcm_enc_xh = (xa - xb) >> 15; - - /* end of quadrature mirror filter code */ - - /* starting with lower sub band encoder */ - - /* filtez - compute predictor output section - zero section */ - adpcm_enc_szl = adpcm_enc_filtez( adpcm_enc_delay_bpl, adpcm_enc_delay_dltx ); - - /* filtep - compute predictor output signal (pole section) */ - adpcm_enc_spl = adpcm_enc_filtep( adpcm_enc_rlt1, adpcm_enc_al1, adpcm_enc_rlt2, adpcm_enc_al2 ); - - /* compute the predictor output value in the lower sub_band encoder */ - adpcm_enc_sl = adpcm_enc_szl + adpcm_enc_spl; - adpcm_enc_el = adpcm_enc_xl - adpcm_enc_sl; - - /* quantl: quantize the difference signal */ - adpcm_enc_il = adpcm_enc_quantl( adpcm_enc_el, adpcm_enc_detl ); - - /* invqxl: computes quantized difference signal */ - /* for invqbl, truncate by 2 lsbs, so mode = 3 */ - adpcm_enc_dlt = ( (long) adpcm_enc_detl * adpcm_enc_qq4_code4_table[adpcm_enc_il >> 2] ) >> 15; - - /* logscl: updates logarithmic quant. scale factor in low sub band */ - adpcm_enc_nbl = adpcm_enc_logscl( adpcm_enc_il, adpcm_enc_nbl ); - - /* scalel: compute the quantizer scale factor in the lower sub band */ - /* calling parameters nbl and 8 (constant such that scalel can be scaleh) */ - adpcm_enc_detl = adpcm_enc_scalel( adpcm_enc_nbl, 8 ); - - /* parrec - simple addition to compute recontructed signal for adaptive pred */ - adpcm_enc_plt = adpcm_enc_dlt + adpcm_enc_szl; - - /* upzero: update zero section predictor coefficients (sixth order)*/ - /* calling parameters: dlt, dlt1, dlt2, ..., dlt6 from dlt */ - /* bpli (linear_buffer in which all six values are delayed */ - /* return params: updated bpli, delayed dltx */ - adpcm_enc_upzero( adpcm_enc_dlt, adpcm_enc_delay_dltx, adpcm_enc_delay_bpl ); - - /* uppol2- update second predictor coefficient apl2 and delay it as al2 */ - /* calling parameters: al1, al2, plt, plt1, plt2 */ - adpcm_enc_al2 = adpcm_enc_uppol2( adpcm_enc_al1, adpcm_enc_al2, adpcm_enc_plt, adpcm_enc_plt1, adpcm_enc_plt2 ); - - /* uppol1 :update first predictor coefficient apl1 and delay it as al1 */ - /* calling parameters: al1, apl2, plt, plt1 */ - adpcm_enc_al1 = adpcm_enc_uppol1( adpcm_enc_al1, adpcm_enc_al2, adpcm_enc_plt, adpcm_enc_plt1); - - /* recons : compute recontructed signal for adaptive predictor */ - adpcm_enc_rlt = adpcm_enc_sl + adpcm_enc_dlt; - - /* done with lower sub_band encoder; now implement delays for next time*/ - adpcm_enc_rlt2 = adpcm_enc_rlt1; - adpcm_enc_rlt1 = adpcm_enc_rlt; - adpcm_enc_plt2 = adpcm_enc_plt1; - adpcm_enc_plt1 = adpcm_enc_plt; - - /* high band encode */ - - adpcm_enc_szh = adpcm_enc_filtez( adpcm_enc_delay_bph, adpcm_enc_delay_dhx ); - - adpcm_enc_sph = adpcm_enc_filtep( adpcm_enc_rh1, adpcm_enc_ah1, adpcm_enc_rh2, adpcm_enc_ah2 ); - - /* predic: sh = sph + szh */ - adpcm_enc_sh = adpcm_enc_sph + adpcm_enc_szh; - /* subtra: eh = xh - sh */ - adpcm_enc_eh = adpcm_enc_xh - adpcm_enc_sh; - - /* quanth - quantization of difference signal for higher sub-band */ - /* quanth: in-place for speed params: eh, deth (has init. value) */ - if ( adpcm_enc_eh >= 0 ) - adpcm_enc_ih = 3; /* 2,3 are pos codes */ - else - adpcm_enc_ih = 1; /* 0,1 are neg codes */ - - decis = ( 564L * (long)adpcm_enc_deth ) >> 12L; - if ( adpcm_enc_abs( adpcm_enc_eh ) > decis ) - adpcm_enc_ih--; /* mih = 2 case */ - - /* invqah: compute the quantized difference signal, higher sub-band*/ - adpcm_enc_dh = ( (long)adpcm_enc_deth * adpcm_enc_qq2_code2_table[adpcm_enc_ih] ) >> 15L ; - - /* logsch: update logarithmic quantizer scale factor in hi sub-band*/ - adpcm_enc_nbh = adpcm_enc_logsch( adpcm_enc_ih, adpcm_enc_nbh ); - - /* note : scalel and scaleh use same code, different parameters */ - adpcm_enc_deth = adpcm_enc_scalel( adpcm_enc_nbh, 10 ); - - /* parrec - add pole predictor output to quantized diff. signal */ - adpcm_enc_ph = adpcm_enc_dh + adpcm_enc_szh; - - /* upzero: update zero section predictor coefficients (sixth order) */ - /* calling parameters: dh, dhi, bphi */ - /* return params: updated bphi, delayed dhx */ - adpcm_enc_upzero( adpcm_enc_dh, adpcm_enc_delay_dhx, adpcm_enc_delay_bph ); - - /* uppol2: update second predictor coef aph2 and delay as ah2 */ - /* calling params: ah1, ah2, ph, ph1, ph2 */ - adpcm_enc_ah2 = adpcm_enc_uppol2( adpcm_enc_ah1, adpcm_enc_ah2, adpcm_enc_ph, adpcm_enc_ph1, adpcm_enc_ph2 ); - - /* uppol1: update first predictor coef. aph2 and delay it as ah1 */ - adpcm_enc_ah1 = adpcm_enc_uppol1( adpcm_enc_ah1, adpcm_enc_ah2, adpcm_enc_ph, adpcm_enc_ph1 ); - - /* recons for higher sub-band */ - adpcm_enc_yh = adpcm_enc_sh + adpcm_enc_dh; - - /* done with higher sub-band encoder, now Delay for next time */ - adpcm_enc_rh2 = adpcm_enc_rh1; - adpcm_enc_rh1 = adpcm_enc_yh; - adpcm_enc_ph2 = adpcm_enc_ph1; - adpcm_enc_ph1 = adpcm_enc_ph; - - /* multiplex ih and il to get signals together */ - return( adpcm_enc_il | (adpcm_enc_ih << 6) ); -} - - -/* filtez - compute predictor output signal (zero section) */ -/* input: bpl1-6 and dlt1-6, output: szl */ -int adpcm_enc_filtez( int *bpl, int *dlt ) -{ - int i; - long int zl; - - - zl = (long)(*bpl++) * (*dlt++); - - /* MAX: 5 */ - _Pragma("loopbound min 5 max 5") - for ( i = 1; i < 6; i++ ) { - zl += (long)(*bpl++) * (*dlt++); - } - - return( (int)(zl >> 14) ); /* x2 here */ -} - - -/* filtep - compute predictor output signal (pole section) */ -/* input rlt1-2 and al1-2, output spl */ -int adpcm_enc_filtep( int rlt1, int al1, int rlt2, int al2 ) -{ - long int pl, pl2; - - - pl = 2 * rlt1; - pl = (long) al1 * pl; - pl2 = 2 * rlt2; - pl += (long) al2 * pl2; - - return( (int)(pl >> 15) ); -} - - -/* quantl - quantize the difference signal in the lower sub-band */ -int adpcm_enc_quantl( int el, int detl ) -{ - int ril, mil; - long int wd, decis; - - - /* abs of difference signal */ - wd = adpcm_enc_abs( el ); - - /* determine mil based on decision levels and detl gain */ - /* MAX: 30 */ - _Pragma("loopbound min 1 max 30") - for ( mil = 0; mil < 30; mil++ ) { - decis = (adpcm_enc_decis_levl[mil] * (long)detl) >> 15L; - if ( wd <= decis ) - break; - } - - /* if mil=30 then wd is less than all decision levels */ - if ( el >= 0 ) - ril = adpcm_enc_quant26bt_pos[mil]; - else - ril = adpcm_enc_quant26bt_neg[mil]; - - return( ril ); -} - - -/* invqxl is either invqbl or invqal depending on parameters passed */ -/* returns dlt, code table is pre-multiplied by 8 */ - -/* int invqxl(int il,int detl,int *code_table,int mode) */ -/* { */ -/* long int dlt; */ -/* dlt = (long)detl*code_table[il >> (mode-1)]; */ -/* return((int)(dlt >> 15)); */ -/* } */ - -/* logscl - update log quantizer scale factor in lower sub-band */ -/* note that nbl is passed and returned */ -int adpcm_enc_logscl( int il, int nbl ) -{ - long int wd; - - - wd = ((long)nbl * 127L) >> 7L; /* leak factor 127/128 */ - nbl = (int)wd + adpcm_enc_wl_code_table[il >> 2]; - - if ( nbl < 0 ) - nbl = 0; - if ( nbl > 18432 ) - nbl = 18432; - - return( nbl ); -} - - -/* scalel: compute quantizer scale factor in lower or upper sub-band*/ -int adpcm_enc_scalel( int nbl, int shift_constant ) -{ - int wd1, wd2, wd3; - - - wd1 = (nbl >> 6) & 31; - wd2 = nbl >> 11; - wd3 = adpcm_enc_ilb_table[wd1] >> (shift_constant + 1 - wd2); - - return( wd3 << 3 ); -} - - -/* upzero - inputs: dlt, dlti[0-5], bli[0-5], outputs: updated bli[0-5] */ -/* also implements delay of bli and update of dlti from dlt */ -void adpcm_enc_upzero( int dlt, int *dlti, int *bli ) -{ - int i, wd2, wd3; - - - /*if dlt is zero, then no sum into bli */ - if ( dlt == 0 ) { - _Pragma("loopbound min 6 max 6") - for ( i = 0; i < 6; i++ ) { - bli[i] = (int)((255L * bli[i]) >> 8L); /* leak factor of 255/256 */ - } - - } else { - _Pragma("loopbound min 6 max 6") - for ( i = 0; i < 6; i++ ) { - if ( (long)dlt * dlti[i] >= 0 ) - wd2 = 128; - else - wd2 = -128; - - wd3 = (int)((255L * bli[i]) >> 8L); /* leak factor of 255/256 */ - bli[i] = wd2 + wd3; - } - - } - - /* implement delay line for dlt */ - dlti[5] = dlti[4]; - dlti[4] = dlti[3]; - dlti[3] = dlti[2]; - dlti[1] = dlti[0]; - dlti[0] = dlt; - - return; -} - - -/* uppol2 - update second predictor coefficient (pole section) */ -/* inputs: al1, al2, plt, plt1, plt2. outputs: apl2 */ -int adpcm_enc_uppol2( int al1, int al2, int plt, int plt1, int plt2 ) -{ - long int wd2, wd4; - int apl2; - - - wd2 = 4L * (long)al1; - if ( (long)plt * plt1 >= 0L ) - wd2 = -wd2; /* check same sign */ - wd2 = wd2 >> 7; /* gain of 1/128 */ - - if ( (long)plt * plt2 >= 0L ) { - wd4 = wd2 + 128; /* same sign case */ - } else { - wd4 = wd2 - 128; - } - apl2 = wd4 + (127L*(long)al2 >> 7L); /* leak factor of 127/128 */ - - /* apl2 is limited to +-.75 */ - if ( apl2 > 12288 ) - apl2 = 12288; - if ( apl2 < -12288 ) - apl2 = -12288; - - return( apl2 ); -} - - -/* uppol1 - update first predictor coefficient (pole section) */ -/* inputs: al1, apl2, plt, plt1. outputs: apl1 */ -int adpcm_enc_uppol1( int al1, int apl2, int plt, int plt1 ) -{ - long int wd2; - int wd3, apl1; - - - wd2 = ((long)al1 * 255L) >> 8L; /* leak factor of 255/256 */ - if ( (long)plt * plt1 >= 0L ) { - apl1 = (int)wd2 + 192; /* same sign case */ - } else { - apl1 = (int)wd2 - 192; - } - - /* note: wd3= .9375-.75 is always positive */ - wd3 = 15360 - apl2; /* limit value */ - if ( apl1 > wd3 ) - apl1 = wd3; - if ( apl1 < -wd3 ) - apl1 = -wd3; - - return( apl1 ); -} - - -/* INVQAH: inverse adaptive quantizer for the higher sub-band */ -/* returns dh, code table is pre-multiplied by 8 */ -/* int invqah(int ih,int deth) */ -/* { */ -/* long int rdh; */ -/* rdh = ((long)deth*qq2_code2_table[ih]) >> 15L ; */ -/* return((int)(rdh )); */ -/* } */ - - -/* logsch - update log quantizer scale factor in higher sub-band */ -/* note that nbh is passed and returned */ -int adpcm_enc_logsch( int ih, int nbh ) -{ - int wd; - - - wd = ((long)nbh * 127L) >> 7L; /* leak factor 127/128 */ - nbh = wd + adpcm_enc_wh_code_table[ih]; - - if ( nbh < 0 ) - nbh = 0; - if ( nbh > 22528 ) - nbh = 22528; - - return( nbh ); -} - - -/* - Initialization- and return-value-related functions -*/ - -/* clear all storage locations */ - -void adpcm_enc_reset(void) -{ - int i; - - adpcm_enc_detl = 32; /* reset to min scale factor */ - adpcm_enc_deth = 8; - adpcm_enc_nbl = adpcm_enc_al1 = adpcm_enc_al2 = adpcm_enc_plt1 = adpcm_enc_plt2 = adpcm_enc_rlt1 = adpcm_enc_rlt2 = 0; - adpcm_enc_nbh = adpcm_enc_ah1 = adpcm_enc_ah2 = adpcm_enc_ph1 = adpcm_enc_ph2 = adpcm_enc_rh1 = adpcm_enc_rh2 = 0; - - _Pragma("loopbound min 6 max 6") - for ( i = 0; i < 6; i++) { - adpcm_enc_delay_dltx[i] = 0; - adpcm_enc_delay_dhx[i] = 0; - } - - _Pragma("loopbound min 6 max 6") - for ( i = 0; i < 6; i++ ) { - adpcm_enc_delay_bpl[i] = 0; - adpcm_enc_delay_bph[i] = 0; - } - - _Pragma("loopbound min 23 max 23") - for ( i = 0; i < 23; i++ ) { - adpcm_enc_tqmf[i] = 0; - } - - return; -} - - -void adpcm_enc_init(void) -{ - int i, j, f; - volatile int x = 0; - - /* reset, initialize required memory */ - adpcm_enc_reset(); - - /* read in amplitude and frequency for test data */ - j = 10; - f = 2000; - - /* 16 KHz sample rate */ - /* XXmain_0, MAX: 2 */ - /* Since the number of times we loop in my_sin depends on the argument we - add the fact: xxmain_0:[]: */ - _Pragma("loopbound min 3 max 3") - for ( i = 0 ; i < SIZE ; i++) { - adpcm_enc_test_data[i] = (int) j * adpcm_enc_cos( f * PI * i ); - - /* avoid constant-propagation optimizations */ - adpcm_enc_test_data[i] += x; - } -} - - -int adpcm_enc_return(void) -{ - int i; - int check_sum = 0; - - for ( i = 0 ; i < IN_END ; i += 2 ) { - check_sum += adpcm_enc_compressed[i/2]; - } - - return check_sum != 385; -} - - -/* - Main functions -*/ - -void _Pragma( "entrypoint" ) adpcm_enc_main(void) -{ - int i; - /* MAX: 2 */ - _Pragma("loopbound min 2 max 2") - for ( i = 0 ; i < IN_END ; i += 2 ) { - adpcm_enc_compressed[i/2] = adpcm_enc_encode( adpcm_enc_test_data[i], adpcm_enc_test_data[i+1] ); - } - -} - -int main(int argc, char **argv) -{ - SET_UP - for_each_job { - adpcm_enc_init(); - adpcm_enc_main(); - } - WRITE_TO_FILE - return adpcm_enc_return(); -} -- cgit v1.2.2