From 386b7d3366f1359a265da207a9cafa3edf553b64 Mon Sep 17 00:00:00 2001 From: Joshua Bakita Date: Mon, 7 Oct 2019 19:13:39 -0400 Subject: Reorganize and commit all the modified TACLeBench code and run scripts --- baseline/source/adpcm_dec/ChangeLog.txt | 32 ++ baseline/source/adpcm_dec/adpcm_dec.c | 719 ++++++++++++++++++++++++++++++++ baseline/source/adpcm_dec/timedTest.txt | 100 +++++ 3 files changed, 851 insertions(+) create mode 100644 baseline/source/adpcm_dec/ChangeLog.txt create mode 100644 baseline/source/adpcm_dec/adpcm_dec.c create mode 100644 baseline/source/adpcm_dec/timedTest.txt (limited to 'baseline/source/adpcm_dec') diff --git a/baseline/source/adpcm_dec/ChangeLog.txt b/baseline/source/adpcm_dec/ChangeLog.txt new file mode 100644 index 0000000..b9c4f96 --- /dev/null +++ b/baseline/source/adpcm_dec/ChangeLog.txt @@ -0,0 +1,32 @@ +File: minver.c +Original provenience: SNU-RT Benchmark Suite for Worst Case Timing Analysis + +2016-02-26: + - Added TACLeBench header to line 1 + - Rename global variable a to minver_a + - Rename global variable b to minver_b + - Rename global variable c to minver_c + - Rename global variable aa to minver_aa + - Rename global variable a_i to minver_a_i + - Rename global variable e to minver_e + - Rename global variable det to minver_det + - Renamed function minver to minver_minver + - Renamed function mmul to minver_mmul + - Renamed function fabs to minver_fabs + - Renamed function main to minver_main + - Created new function main, calling minver_init, minver_main and + returning minver_return + - Reordered functions in source code: initialization- and + return-value-related functions first, followed by algorithm core + functions, followed by main functions + - Applied code formatting with astyle as in the example + +2016-03-09: + - Removed static keyword for global variables + - Renamed global variables, prepended adpcm_dec + + 2016-05-23: + - Check sum added and checked against the expected value + + 2016-05-25: + - Corrected expected value \ No newline at end of file diff --git a/baseline/source/adpcm_dec/adpcm_dec.c b/baseline/source/adpcm_dec/adpcm_dec.c new file mode 100644 index 0000000..6811e69 --- /dev/null +++ b/baseline/source/adpcm_dec/adpcm_dec.c @@ -0,0 +1,719 @@ +/* + + This program is part of the TACLeBench benchmark suite. + Version V 1.x + + Name: adpcm_dec + + 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] and result[SIZE]. + Execution time is determined by the constant SIZE (default value + is 2000). + + Source: SNU-RT Benchmark Suite + + Changes: adpcm benchmark was split into decode and encode benchmark + + License: may be used, modified, and re-distributed freely, but + the SNU-RT Benchmark Suite must be acknowledged + +*/ + +/* + This program is derived from the SNU-RT Benchmark Suite for Worst + Case Timing Analysis by Sung-Soo Lim + + Original source: C Algorithms for Real-Time DSP by P. M. Embree +*/ + +/* + Forward declaration of functions +*/ + +#include "../extra.h" + +void adpcm_dec_decode( int ); +int adpcm_dec_filtez( int *bpl, int *dlt ); +void adpcm_dec_upzero( int dlt, int *dlti, int *bli ); +int adpcm_dec_filtep( int rlt1, int al1, int rlt2, int al2 ); + +int adpcm_dec_logscl( int il, int nbl ); +int adpcm_dec_scalel( int nbl, int shift_constant ); +int adpcm_dec_uppol2( int al1, int al2, int plt, int plt1, int plt2 ); +int adpcm_dec_uppol1( int al1, int apl2, int plt, int plt1 ); + +int adpcm_dec_logsch( int ih, int nbh ); +void adpcm_dec_reset(); +int adpcm_dec_fabs( int n ); +int adpcm_dec_cos( int n ); +int adpcm_dec_sin( int n ); + +void adpcm_dec_init(); +int adpcm_dec_return(); +void adpcm_dec_main(); +//int main( void ); + + +/* + Declaration of macros +*/ +/* common sampling rate for sound cards on IBM/PC */ +#define SAMPLE_RATE 11025 +#define PI 3141 +#define SIZE 3 +#define IN_END 4 + +/* + Declaration of global variables +*/ + +int adpcm_dec_test_data[SIZE * 2], adpcm_dec_result[SIZE * 2]; + +/* Input data for the decoder usually generated by the encoder. */ +int adpcm_dec_compressed[SIZE] = { 0, 253, 32 }; + +/* G722 C code */ + +/* QMF filter coefficients: + scaled by a factor of 4 compared to G722 CCITT recommendation */ +int adpcm_dec_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 xl,xh; + +/* variables for receive quadrature mirror filter here */ +int adpcm_dec_accumc[11], adpcm_dec_accumd[11]; + +/* outputs of decode() */ +int adpcm_dec_xout1, adpcm_dec_xout2; + +int adpcm_dec_xs, adpcm_dec_xd; + +/* variables for encoder (hi and lo) here */ + +int adpcm_dec_il, adpcm_dec_szl, adpcm_dec_spl, adpcm_dec_sl, adpcm_dec_el; + +int adpcm_dec_qq4_code4_table[16] = { + 0, -20456, -12896, -8968, -6288, -4240, -2584, -1200, + 20456, 12896, 8968, 6288, 4240, 2584, 1200, 0 +}; + + +int adpcm_dec_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_dec_wl_code_table[16] = { + -60, 3042, 1198, 538, 334, 172, 58, -30, + 3042, 1198, 538, 334, 172, 58, -30, -60 +}; + + +int adpcm_dec_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_dec_nbl; /* delay line */ +int adpcm_dec_al1, adpcm_dec_al2; +int adpcm_dec_plt, adpcm_dec_plt1, adpcm_dec_plt2; +int adpcm_dec_rs; +int adpcm_dec_dlt; +int adpcm_dec_rlt, adpcm_dec_rlt1, adpcm_dec_rlt2; + + +int adpcm_dec_detl; + + +int adpcm_dec_deth; +int adpcm_dec_sh; /* this comes from adaptive predictor */ +int adpcm_dec_eh; + +int adpcm_dec_qq2_code2_table[4] = { + -7408, -1616, 7408, 1616 +}; + +int adpcm_dec_wh_code_table[4] = { + 798, -214, 798, -214 +}; + + +int adpcm_dec_dh, adpcm_dec_ih; +int adpcm_dec_nbh, adpcm_dec_szh; +int adpcm_dec_sph, adpcm_dec_ph, adpcm_dec_yh, adpcm_dec_rh; + +int adpcm_dec_delay_dhx[6]; + +int adpcm_dec_delay_bph[6]; + +int adpcm_dec_ah1, adpcm_dec_ah2; +int adpcm_dec_ph1, adpcm_dec_ph2; +int adpcm_dec_rh1, adpcm_dec_rh2; + +/* variables for decoder here */ +int adpcm_dec_ilr, adpcm_dec_yl, adpcm_dec_rl; +int adpcm_dec_dec_deth, adpcm_dec_dec_detl, adpcm_dec_dec_dlt; + +int adpcm_dec_dec_del_bpl[6]; + +int adpcm_dec_dec_del_dltx[6]; + +int adpcm_dec_dec_plt, adpcm_dec_dec_plt1, adpcm_dec_dec_plt2; +int adpcm_dec_dec_szl, adpcm_dec_dec_spl, adpcm_dec_dec_sl; +int adpcm_dec_dec_rlt1, adpcm_dec_dec_rlt2, adpcm_dec_dec_rlt; +int adpcm_dec_dec_al1, adpcm_dec_dec_al2; +int adpcm_dec_dl; +int adpcm_dec_dec_nbl, adpcm_dec_dec_yh, adpcm_dec_dec_dh, adpcm_dec_dec_nbh; + +/* variables used in filtez */ +int adpcm_dec_dec_del_bph[6]; + +int adpcm_dec_dec_del_dhx[6]; + +int adpcm_dec_dec_szh; +/* variables used in filtep */ +int adpcm_dec_dec_rh1, adpcm_dec_dec_rh2; +int adpcm_dec_dec_ah1, adpcm_dec_dec_ah2; +int adpcm_dec_dec_ph, adpcm_dec_dec_sph; + +int adpcm_dec_dec_sh, adpcm_dec_dec_rh; + +int adpcm_dec_dec_ph1, adpcm_dec_dec_ph2; + + +/* + Arithmetic math functions +*/ + + +/* MAX: 1 */ +int adpcm_dec_fabs( int n ) +{ + int f; + + + if ( n >= 0 ) + f = n; + else + f = -n; + + return f; +} + + +int adpcm_dec_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; + + _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_dec_fabs( diff ) >= 1 ) { + diff = ( diff * ( -( rad * rad ) ) ) / ( ( 2 * inc ) * ( 2 * inc + 1 ) ); + app = app + diff; + inc++; + } + + return app; +} + + +int adpcm_dec_cos( int rad ) +{ + return ( adpcm_dec_sin( PI / 2 - rad ) ); +} + + +/* + Algorithm core functions +*/ + +/* decode function, result in xout1 and xout2 */ +void adpcm_dec_decode( int input ) +{ + int i; + long int xa1, xa2; /* qmf accumulators */ + int *h_ptr, *ac_ptr, *ac_ptr1, *ad_ptr, *ad_ptr1; + + + /* split transmitted word from input into ilr and ih */ + adpcm_dec_ilr = input & 0x3f; + adpcm_dec_ih = input >> 6; + + /* LOWER SUB_BAND DECODER */ + + /* filtez: compute predictor output for zero section */ + adpcm_dec_dec_szl = adpcm_dec_filtez( adpcm_dec_dec_del_bpl, + adpcm_dec_dec_del_dltx ); + + /* filtep: compute predictor output signal for pole section */ + adpcm_dec_dec_spl = adpcm_dec_filtep( adpcm_dec_dec_rlt1, adpcm_dec_dec_al1, + adpcm_dec_dec_rlt2, adpcm_dec_dec_al2 ); + + adpcm_dec_dec_sl = adpcm_dec_dec_spl + adpcm_dec_dec_szl; + + /* invqxl: compute quantized difference signal for adaptive predic */ + adpcm_dec_dec_dlt = ( ( long )adpcm_dec_dec_detl * + adpcm_dec_qq4_code4_table[adpcm_dec_ilr + >> 2] ) >> 15; + + /* invqxl: compute quantized difference signal for decoder output */ + adpcm_dec_dl = ( ( long )adpcm_dec_dec_detl * + adpcm_dec_qq6_code6_table[adpcm_dec_il] ) >> + 15; + + adpcm_dec_rl = adpcm_dec_dl + adpcm_dec_dec_sl; + + /* logscl: quantizer scale factor adaptation in the lower sub-band */ + adpcm_dec_dec_nbl = adpcm_dec_logscl( adpcm_dec_ilr, adpcm_dec_dec_nbl ); + + /* scalel: computes quantizer scale factor in the lower sub band */ + adpcm_dec_dec_detl = adpcm_dec_scalel( adpcm_dec_dec_nbl, 8 ); + + /* parrec - add pole predictor output to quantized diff. signal */ + /* for partially reconstructed signal */ + adpcm_dec_dec_plt = adpcm_dec_dec_dlt + adpcm_dec_dec_szl; + + /* upzero: update zero section predictor coefficients */ + adpcm_dec_upzero( adpcm_dec_dec_dlt, adpcm_dec_dec_del_dltx, + adpcm_dec_dec_del_bpl ); + + /* uppol2: update second predictor coefficient apl2 and delay it as al2 */ + adpcm_dec_dec_al2 = adpcm_dec_uppol2( adpcm_dec_dec_al1, adpcm_dec_dec_al2, + adpcm_dec_dec_plt, adpcm_dec_dec_plt1, + adpcm_dec_dec_plt2 ); + + /* uppol1: update first predictor coef. (pole setion) */ + adpcm_dec_dec_al1 = adpcm_dec_uppol1( adpcm_dec_dec_al1, adpcm_dec_dec_al2, + adpcm_dec_dec_plt, adpcm_dec_dec_plt1 ); + + /* recons : compute recontructed signal for adaptive predictor */ + adpcm_dec_dec_rlt = adpcm_dec_dec_sl + adpcm_dec_dec_dlt; + + /* done with lower sub band decoder, implement delays for next time */ + adpcm_dec_dec_rlt2 = adpcm_dec_dec_rlt1; + adpcm_dec_dec_rlt1 = adpcm_dec_dec_rlt; + adpcm_dec_dec_plt2 = adpcm_dec_dec_plt1; + adpcm_dec_dec_plt1 = adpcm_dec_dec_plt; + + /* HIGH SUB-BAND DECODER */ + + /* filtez: compute predictor output for zero section */ + adpcm_dec_dec_szh = adpcm_dec_filtez( adpcm_dec_dec_del_bph, + adpcm_dec_dec_del_dhx ); + + /* filtep: compute predictor output signal for pole section */ + adpcm_dec_dec_sph = adpcm_dec_filtep( adpcm_dec_dec_rh1, adpcm_dec_dec_ah1, + adpcm_dec_dec_rh2, adpcm_dec_dec_ah2 ); + + /* predic:compute the predictor output value in the higher sub_band decoder */ + adpcm_dec_dec_sh = adpcm_dec_dec_sph + adpcm_dec_dec_szh; + + /* invqah: in-place compute the quantized difference signal */ + adpcm_dec_dec_dh = ( ( long )adpcm_dec_dec_deth * + adpcm_dec_qq2_code2_table[adpcm_dec_ih] ) >> 15L ; + + /* logsch: update logarithmic quantizer scale factor in hi sub band */ + adpcm_dec_dec_nbh = adpcm_dec_logsch( adpcm_dec_ih, adpcm_dec_dec_nbh ); + + /* scalel: compute the quantizer scale factor in the higher sub band */ + adpcm_dec_dec_deth = adpcm_dec_scalel( adpcm_dec_dec_nbh, 10 ); + + /* parrec: compute partially recontructed signal */ + adpcm_dec_dec_ph = adpcm_dec_dec_dh + adpcm_dec_dec_szh; + + /* upzero: update zero section predictor coefficients */ + adpcm_dec_upzero( adpcm_dec_dec_dh, adpcm_dec_dec_del_dhx, + adpcm_dec_dec_del_bph ); + + /* uppol2: update second predictor coefficient aph2 and delay it as ah2 */ + adpcm_dec_dec_ah2 = adpcm_dec_uppol2( adpcm_dec_dec_ah1, adpcm_dec_dec_ah2, + adpcm_dec_dec_ph, adpcm_dec_dec_ph1, adpcm_dec_dec_ph2 ); + + /* uppol1: update first predictor coef. (pole setion) */ + adpcm_dec_dec_ah1 = adpcm_dec_uppol1( adpcm_dec_dec_ah1, adpcm_dec_dec_ah2, + adpcm_dec_dec_ph, adpcm_dec_dec_ph1 ); + + /* recons : compute recontructed signal for adaptive predictor */ + adpcm_dec_rh = adpcm_dec_dec_sh + adpcm_dec_dec_dh; + + /* done with high band decode, implementing delays for next time here */ + adpcm_dec_dec_rh2 = adpcm_dec_dec_rh1; + adpcm_dec_dec_rh1 = adpcm_dec_rh; + adpcm_dec_dec_ph2 = adpcm_dec_dec_ph1; + adpcm_dec_dec_ph1 = adpcm_dec_dec_ph; + + /* end of higher sub_band decoder */ + + /* end with receive quadrature mirror filters */ + adpcm_dec_xd = adpcm_dec_rl - adpcm_dec_rh; + adpcm_dec_xs = adpcm_dec_rl + adpcm_dec_rh; + + /* receive quadrature mirror filters implemented here */ + h_ptr = adpcm_dec_h; + ac_ptr = adpcm_dec_accumc; + ad_ptr = adpcm_dec_accumd; + xa1 = ( long ) adpcm_dec_xd * ( *h_ptr++ ); + xa2 = ( long ) adpcm_dec_xs * ( *h_ptr++ ); + + /* main multiply accumulate loop for samples and coefficients */ + _Pragma( "loopbound min 10 max 10" ) + for ( i = 0; i < 10; i++ ) { + xa1 += ( long )( *ac_ptr++ ) * ( *h_ptr++ ); + xa2 += ( long )( *ad_ptr++ ) * ( *h_ptr++ ); + } + + /* final mult/accumulate */ + xa1 += ( long )( *ac_ptr ) * ( *h_ptr++ ); + xa2 += ( long )( *ad_ptr ) * ( *h_ptr++ ); + + /* scale by 2^14 */ + adpcm_dec_xout1 = xa1 >> 14; + adpcm_dec_xout2 = xa2 >> 14; + + /* update delay lines */ + ac_ptr1 = ac_ptr - 1; + ad_ptr1 = ad_ptr - 1; + + _Pragma( "loopbound min 10 max 10" ) + for ( i = 0; i < 10; i++ ) { + *ac_ptr-- = *ac_ptr1--; + *ad_ptr-- = *ad_ptr1--; + } + + *ac_ptr = adpcm_dec_xd; + *ad_ptr = adpcm_dec_xs; + + return; +} + + +/* filtez - compute predictor output signal (zero section) */ +/* input: bpl1-6 and dlt1-6, output: szl */ +int adpcm_dec_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_dec_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 ) ); +} + + +/* logscl - update log quantizer scale factor in lower sub-band */ +/* note that nbl is passed and returned */ +int adpcm_dec_logscl( int il, int nbl ) +{ + long int wd; + + + wd = ( ( long )nbl * 127L ) >> 7L; /* leak factor 127/128 */ + nbl = ( int )wd + adpcm_dec_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_dec_scalel( int nbl, int shift_constant ) +{ + int wd1, wd2, wd3; + + + wd1 = ( nbl >> 6 ) & 31; + wd2 = nbl >> 11; + wd3 = adpcm_dec_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_dec_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_dec_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_dec_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 ); +} + + +/* logsch - update log quantizer scale factor in higher sub-band */ +/* note that nbh is passed and returned */ +int adpcm_dec_logsch( int ih, int nbh ) +{ + int wd; + + + wd = ( ( long )nbh * 127L ) >> 7L; /* leak factor 127/128 */ + nbh = wd + adpcm_dec_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_dec_reset() +{ + int i; + + + adpcm_dec_detl = adpcm_dec_dec_detl = 32; /* reset to min scale factor */ + adpcm_dec_deth = adpcm_dec_dec_deth = 8; + adpcm_dec_nbl = adpcm_dec_al1 = adpcm_dec_al2 = adpcm_dec_plt1 = adpcm_dec_plt2 + = adpcm_dec_rlt1 = adpcm_dec_rlt2 = 0; + adpcm_dec_nbh = adpcm_dec_ah1 = adpcm_dec_ah2 = adpcm_dec_ph1 = adpcm_dec_ph2 = + adpcm_dec_rh1 = adpcm_dec_rh2 = 0; + adpcm_dec_dec_nbl = adpcm_dec_dec_al1 = adpcm_dec_dec_al2 = adpcm_dec_dec_plt1 = + adpcm_dec_dec_plt2 = adpcm_dec_dec_rlt1 = adpcm_dec_dec_rlt2 = 0; + adpcm_dec_dec_nbh = adpcm_dec_dec_ah1 = adpcm_dec_dec_ah2 = adpcm_dec_dec_ph1 = + adpcm_dec_dec_ph2 = adpcm_dec_dec_rh1 = adpcm_dec_dec_rh2 = 0; + + _Pragma( "loopbound min 6 max 6" ) + for ( i = 0; i < 6; i++ ) { + ////delay_dltx[i] = 0; + adpcm_dec_delay_dhx[i] = 0; + adpcm_dec_dec_del_dltx[i] = 0; + adpcm_dec_dec_del_dhx[i] = 0; + } + + _Pragma( "loopbound min 6 max 6" ) + for ( i = 0; i < 6; i++ ) { + //delay_bpl[i] = 0; + adpcm_dec_delay_bph[i] = 0; + adpcm_dec_dec_del_bpl[i] = 0; + adpcm_dec_dec_del_bph[i] = 0; + } + + _Pragma( "loopbound min 11 max 11" ) + for ( i = 0; i < 11; i++ ) { + adpcm_dec_accumc[i] = 0; + adpcm_dec_accumd[i] = 0; + } + + return; +} + +void adpcm_dec_init() +{ + int i, j, f; + volatile int x = 0; + /* read in amplitude and frequency for test data */ + j = 10; + f = 2000; + + /* reset, initialize required memory */ + adpcm_dec_reset(); + + /* 16 KHz sample rate */ + /* XXmain_0, MAX: 2 */ + /* Since the number of times we loop in adpcm_dec_sin depends on the + argument we add the fact: xxmain_0:[]: */ + _Pragma( "loopbound min 3 max 3" ) + for ( i = 0 ; i < SIZE ; i++ ) { + adpcm_dec_test_data[i] = ( int ) j * adpcm_dec_cos( f * PI * i ); + + /* avoid constant-propagation optimizations */ + adpcm_dec_test_data[i] += x; + } +} + +int adpcm_dec_return() +{ + int i; + int check_sum = 0; + + for (i = 0; i < IN_END; i += 2) + { + check_sum += ( adpcm_dec_result[i] + adpcm_dec_result[i + 1] ); + } + + return check_sum != -2; +} + +/* + Main functions +*/ + +void _Pragma( "entrypoint" ) adpcm_dec_main( void ) +{ + int i; + + _Pragma( "loopbound min 2 max 2" ) + for ( i = 0 ; i < IN_END ; i += 2 ) { + adpcm_dec_decode( adpcm_dec_compressed[i / 2] ); + adpcm_dec_result[i] = adpcm_dec_xout1; + adpcm_dec_result[i + 1] = adpcm_dec_xout2; + } + +} + + +int main(int argc, char **argv) +{ + SET_UP + for (jobsComplete=-1; jobsComplete