From a467f95953276c99567d14a0a22424014352b273 Mon Sep 17 00:00:00 2001 From: Ulf Samuelsson Date: Sat, 24 Jan 2009 10:15:05 +0000 Subject: Add fix to mpg123 for bug in ARM release toolchain causing segment violation, bug reported to gcc bugzilla --- package/multimedia/mpg123/Config.in | 4 + .../multimedia/mpg123/mpg123-0.66-arm-unroll.patch | 2126 ++++++++++++++++++++ package/multimedia/mpg123/mpg123.mk | 11 +- 3 files changed, 2140 insertions(+), 1 deletion(-) create mode 100644 package/multimedia/mpg123/mpg123-0.66-arm-unroll.patch (limited to 'package') diff --git a/package/multimedia/mpg123/Config.in b/package/multimedia/mpg123/Config.in index 69ae4c62a..6b17dc133 100644 --- a/package/multimedia/mpg123/Config.in +++ b/package/multimedia/mpg123/Config.in @@ -10,3 +10,7 @@ config BR2_PACKAGE_MPG123_ALSA bool default y depends on BR2_PACKAGE_ALSA_LIB + +config BR2_PACKAGE_MPG123_ARM_UNROLL_FIX + bool + default y if BR2_arm && BR2_GCC_VERSION_4_3_2 diff --git a/package/multimedia/mpg123/mpg123-0.66-arm-unroll.patch b/package/multimedia/mpg123/mpg123-0.66-arm-unroll.patch new file mode 100644 index 000000000..6d8ff2258 --- /dev/null +++ b/package/multimedia/mpg123/mpg123-0.66-arm-unroll.patch @@ -0,0 +1,2126 @@ +diff -urN mpg123-0.66-0rig//src/layer2.c mpg123-0.66/src/layer2.c +--- mpg123-0.66-0rig//src/layer2.c 2009-01-24 08:14:24.000000000 +0100 ++++ mpg123-0.66/src/layer2.c 2009-01-24 11:07:01.000000000 +0100 +@@ -155,6 +155,22 @@ + + } + ++#if defined(MPG123_ARM_UNROLL_FIX) ++static int al_table_get_d_out; ++void al_table_get_d(struct al_table * al) ++{ ++ int al_d = al->d; ++ al_table_get_d_out = al_d; ++} ++ ++int arm_funroll_data; ++void arm_funroll_fix(short *val) ++{ ++ arm_funroll_data = *val; ++} ++ ++#endif ++ + void II_step_two(unsigned int *bit_alloc,real fraction[2][4][SBLIMIT],int *scale,struct frame *fr,int x1) + { + int i,j,k,ba; +@@ -173,7 +189,13 @@ + if ( (ba=*bita++) ) + { + k=(alloc2 = alloc1+ba)->bits; ++#if defined(MPG123_ARM_UNROLL_FIX) ++ al_table_get_d(alloc2); ++ d1 = al_table_get_d_out; ++ if( (d1) < 0) ++#else + if( (d1=alloc2->d) < 0) ++#endif + { + real cm=muls[k][scale[x1]]; + fraction[j][0][i] = ((real) ((int)getbits(k) + d1)) * cm; +@@ -204,7 +226,13 @@ + if ( (ba=*bita++) ) + { + k=(alloc2 = alloc1+ba)->bits; ++#if defined(MPG123_ARM_UNROLL_FIX) ++ al_table_get_d(alloc2); ++ d1 = al_table_get_d_out; ++ if( (d1) < 0) ++#else + if( (d1=alloc2->d) < 0) ++#endif + { + real cm; + cm=muls[k][scale[x1+3]]; +diff -urN mpg123-0.66-0rig//src/layer3.c mpg123-0.66/src/layer3.c +--- mpg123-0.66-0rig//src/layer3.c 2009-01-24 08:14:24.000000000 +0100 ++++ mpg123-0.66/src/layer3.c 2009-01-24 11:07:11.000000000 +0100 +@@ -650,7 +650,10 @@ + + static int pretab1[22] = {0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,2,2,3,3,3,2,0}; + static int pretab2[22] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; +- ++#if defined(MPG123_ARM_UNROLL_FIX) ++extern int arm_funroll_data; ++extern void arm_funroll_fix(short *val); ++#endif + /* + * Dequantize samples (includes huffman decoding) + */ +@@ -749,6 +752,24 @@ + step = 3; + } + } ++#if defined(MPG123_ARM_UNROLL_FIX) ++ { ++ register short *val = h->table; ++ REFRESH_MASK; ++ do { ++ arm_funroll_fix(val); val++; ++ y = arm_funroll_data; ++ if (y < 0) { ++ if (mask < 0) ++ val -= y; ++ num--; ++ mask <<= 1; ++ } ++ } while (y < 0); ++ x = y >> 4; ++ y &= 0xf; ++ } ++#else + { + register short *val = h->table; + REFRESH_MASK; +@@ -761,6 +782,7 @@ + x = y >> 4; + y &= 0xf; + } ++#endif + if(x == 15 && h->linbits) { + max[lwin] = cb; + REFRESH_MASK; +@@ -939,6 +961,24 @@ + v = gr_info->pow2gain[((*scf++) + (*pretab++)) << shift]; + + } ++#if defined(MPG123_ARM_UNROLL_FIX) ++ { ++ register short *val = h->table; ++ REFRESH_MASK; ++ do { ++ arm_funroll_fix(val); val++; ++ y = arm_funroll_data; ++ if (y < 0) { ++ if (mask < 0) ++ val -= y; ++ num--; ++ mask <<= 1; ++ } ++ } while (y < 0); ++ x = y >> 4; ++ y &= 0xf; ++ } ++#else + { + register short *val = h->table; + REFRESH_MASK; +@@ -951,6 +991,7 @@ + x = y >> 4; + y &= 0xf; + } ++#endif + + if (x == 15 && h->linbits) { + max = cb; +diff -urN mpg123-0.66-0rig//src/layer3.c~ mpg123-0.66/src/layer3.c~ +--- mpg123-0.66-0rig//src/layer3.c~ 1970-01-01 01:00:00.000000000 +0100 ++++ mpg123-0.66/src/layer3.c~ 2009-01-24 11:07:01.000000000 +0100 +@@ -0,0 +1,1987 @@ ++/* ++ leyer3.c: the layer 3 decoder ++ ++ copyright 1995-2006 by the mpg123 project - free software under the terms of the LGPL 2.1 ++ see COPYING and AUTHORS files in distribution or http://mpg123.org ++ initially written by Michael Hipp ++ ++ Optimize-TODO: put short bands into the band-field without the stride of 3 reals ++ Length-optimze: unify long and short band code where it is possible ++ ++ The int-vs-pointer situation has to be cleaned up. ++*/ ++ ++#include ++#include "config.h" ++#include "mpg123.h" ++#include "huffman.h" ++ ++#include "common.h" ++#include "debug.h" ++ ++#include "getbits.h" ++ ++static real ispow[8207]; ++static real aa_ca[8],aa_cs[8]; ++static real COS1[12][6]; ++static real win[4][36]; ++static real win1[4][36]; ++static real gainpow2[256+118+4]; ++real COS9[9]; /* dct36_3dnow wants to use that */ ++static real COS6_1,COS6_2; ++real tfcos36[9]; /* dct36_3dnow wants to use that */ ++static real tfcos12[3]; ++#define NEW_DCT9 ++#ifdef NEW_DCT9 ++static real cos9[3],cos18[3]; ++#endif ++ ++struct bandInfoStruct { ++ int longIdx[23]; ++ int longDiff[22]; ++ int shortIdx[14]; ++ int shortDiff[13]; ++}; ++ ++int longLimit[9][23]; ++int shortLimit[9][14]; ++ ++struct bandInfoStruct bandInfo[9] = { ++ ++/* MPEG 1.0 */ ++ { {0,4,8,12,16,20,24,30,36,44,52,62,74, 90,110,134,162,196,238,288,342,418,576}, ++ {4,4,4,4,4,4,6,6,8, 8,10,12,16,20,24,28,34,42,50,54, 76,158}, ++ {0,4*3,8*3,12*3,16*3,22*3,30*3,40*3,52*3,66*3, 84*3,106*3,136*3,192*3}, ++ {4,4,4,4,6,8,10,12,14,18,22,30,56} } , ++ ++ { {0,4,8,12,16,20,24,30,36,42,50,60,72, 88,106,128,156,190,230,276,330,384,576}, ++ {4,4,4,4,4,4,6,6,6, 8,10,12,16,18,22,28,34,40,46,54, 54,192}, ++ {0,4*3,8*3,12*3,16*3,22*3,28*3,38*3,50*3,64*3, 80*3,100*3,126*3,192*3}, ++ {4,4,4,4,6,6,10,12,14,16,20,26,66} } , ++ ++ { {0,4,8,12,16,20,24,30,36,44,54,66,82,102,126,156,194,240,296,364,448,550,576} , ++ {4,4,4,4,4,4,6,6,8,10,12,16,20,24,30,38,46,56,68,84,102, 26} , ++ {0,4*3,8*3,12*3,16*3,22*3,30*3,42*3,58*3,78*3,104*3,138*3,180*3,192*3} , ++ {4,4,4,4,6,8,12,16,20,26,34,42,12} } , ++ ++/* MPEG 2.0 */ ++ { {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, ++ {6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54 } , ++ {0,4*3,8*3,12*3,18*3,24*3,32*3,42*3,56*3,74*3,100*3,132*3,174*3,192*3} , ++ {4,4,4,6,6,8,10,14,18,26,32,42,18 } } , ++ ++/* mhipp trunk has 330 -> 332 without further explanation ... */ ++ { {0,6,12,18,24,30,36,44,54,66,80,96,114,136,162,194,232,278,330,394,464,540,576}, ++ {6,6,6,6,6,6,8,10,12,14,16,18,22,26,32,38,46,52,64,70,76,36 } , ++ {0,4*3,8*3,12*3,18*3,26*3,36*3,48*3,62*3,80*3,104*3,136*3,180*3,192*3} , ++ {4,4,4,6,8,10,12,14,18,24,32,44,12 } } , ++ ++ { {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, ++ {6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54 }, ++ {0,4*3,8*3,12*3,18*3,26*3,36*3,48*3,62*3,80*3,104*3,134*3,174*3,192*3}, ++ {4,4,4,6,8,10,12,14,18,24,30,40,18 } } , ++/* MPEG 2.5 */ ++ { {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576} , ++ {6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54}, ++ {0,12,24,36,54,78,108,144,186,240,312,402,522,576}, ++ {4,4,4,6,8,10,12,14,18,24,30,40,18} }, ++ { {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576} , ++ {6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54}, ++ {0,12,24,36,54,78,108,144,186,240,312,402,522,576}, ++ {4,4,4,6,8,10,12,14,18,24,30,40,18} }, ++ { {0,12,24,36,48,60,72,88,108,132,160,192,232,280,336,400,476,566,568,570,572,574,576}, ++ {12,12,12,12,12,12,16,20,24,28,32,40,48,56,64,76,90,2,2,2,2,2}, ++ {0, 24, 48, 72,108,156,216,288,372,480,486,492,498,576}, ++ {8,8,8,12,16,20,24,28,36,2,2,2,26} } , ++}; ++ ++static int mapbuf0[9][152]; ++static int mapbuf1[9][156]; ++static int mapbuf2[9][44]; ++static int *map[9][3]; ++static int *mapend[9][3]; ++ ++static unsigned int n_slen2[512]; /* MPEG 2.0 slen for 'normal' mode */ ++static unsigned int i_slen2[256]; /* MPEG 2.0 slen for intensity stereo */ ++ ++static real tan1_1[16],tan2_1[16],tan1_2[16],tan2_2[16]; ++static real pow1_1[2][16],pow2_1[2][16],pow1_2[2][16],pow2_2[2][16]; ++ ++#ifdef GAPLESS ++/* still a dirty hack, places in bytes (zero-based)... */ ++static unsigned long position; /* position in raw decoder bytestream */ ++static unsigned long begin; /* first byte to play == number to skip */ ++static unsigned long end; /* last byte to play */ ++static unsigned long ignore; /* forcedly ignore stuff in between */ ++static int bytified; ++ ++/* input in bytes already */ ++void layer3_gapless_init(unsigned long b, unsigned long e) ++{ ++ bytified = 0; ++ position = 0; ++ ignore = 0; ++ begin = b; ++ end = e; ++ debug2("layer3_gapless_init: from %lu to %lu samples", begin, end); ++} ++ ++void layer3_gapless_set_position(unsigned long frames, struct frame* fr, struct audio_info_struct *ai) ++{ ++ position = samples_to_bytes(frames*spf(fr), fr, ai); ++ debug1("set; position now %lu", position); ++} ++ ++void layer3_gapless_bytify(struct frame *fr, struct audio_info_struct *ai) ++{ ++ if(!bytified) ++ { ++ begin = samples_to_bytes(begin, fr, ai); ++ end = samples_to_bytes(end, fr, ai); ++ bytified = 1; ++ debug2("bytified: begin=%lu; end=%5lu", begin, end); ++ } ++} ++ ++/* I need initialized fr here! */ ++void layer3_gapless_set_ignore(unsigned long frames, struct frame *fr, struct audio_info_struct *ai) ++{ ++ ignore = samples_to_bytes(frames*spf(fr), fr, ai); ++} ++ ++/* ++ take the (partially or fully) filled and remove stuff for gapless mode if needed ++ pcm_point may then be smaller than before... ++*/ ++void layer3_gapless_buffercheck() ++{ ++ /* pcm_point bytes added since last position... */ ++ unsigned long new_pos = position + pcm_point; ++ if(begin && (position < begin)) ++ { ++ debug4("new_pos %lu (old: %lu), begin %lu, pcm_point %i", new_pos, position, begin, pcm_point); ++ if(new_pos < begin) ++ { ++ if(ignore > pcm_point) ignore -= pcm_point; ++ else ignore = 0; ++ pcm_point = 0; /* full of padding/delay */ ++ } ++ else ++ { ++ unsigned long ignored = begin-position; ++ /* we need to shift the memory to the left... */ ++ debug3("old pcm_point: %i, begin %lu; good bytes: %i", pcm_point, begin, (int)(new_pos-begin)); ++ if(ignore > ignored) ignore -= ignored; ++ else ignore = 0; ++ pcm_point -= ignored; ++ debug3("shifting %i bytes from %p to %p", pcm_point, pcm_sample+(int)(begin-position), pcm_sample); ++ memmove(pcm_sample, pcm_sample+(int)(begin-position), pcm_point); ++ } ++ } ++ /* I don't cover the case with both end and begin in chunk! */ ++ else if(end && (new_pos > end)) ++ { ++ ignore = 0; ++ /* either end in current chunk or chunk totally out */ ++ debug2("ending at position %lu / point %i", new_pos, pcm_point); ++ if(position < end) pcm_point -= new_pos-end; ++ else pcm_point = 0; ++ debug1("set pcm_point to %i", pcm_point); ++ } ++ else if(ignore) ++ { ++ if(pcm_point < ignore) ++ { ++ ignore -= pcm_point; ++ debug2("ignored %i bytes; pcm_point = 0; %lu bytes left", pcm_point, ignore); ++ pcm_point = 0; ++ } ++ else ++ { ++ /* we need to shift the memory to the left... */ ++ debug3("old pcm_point: %i, to ignore: %lu; good bytes: %i", pcm_point, ignore, pcm_point-(int)ignore); ++ pcm_point -= ignore; ++ debug3("shifting %i bytes from %p to %p", pcm_point, pcm_sample+ignore, pcm_sample); ++ memmove(pcm_sample, pcm_sample+ignore, pcm_point); ++ ignore = 0; ++ } ++ } ++ position = new_pos; ++} ++#endif ++ ++#ifdef OPT_MMXORSSE ++real init_layer3_gainpow2_mmx(int i) ++{ ++ if(!param.down_sample) return 16384.0 * pow((double)2.0,-0.25 * (double) (i+210) ); ++ else return DOUBLE_TO_REAL(pow((double)2.0,-0.25 * (double) (i+210))); ++} ++#endif ++ ++real init_layer3_gainpow2(int i) ++{ ++ return DOUBLE_TO_REAL(pow((double)2.0,-0.25 * (double) (i+210))); ++} ++ ++/* ++ * init tables for layer-3 ++ */ ++void init_layer3(int down_sample_sblimit) ++{ ++ int i,j,k,l; ++ ++ for(i=-256;i<118+4;i++) ++ gainpow2[i+256] = opt_init_layer3_gainpow2(i); ++ ++ for(i=0;i<8207;i++) ++ ispow[i] = DOUBLE_TO_REAL(pow((double)i,(double)4.0/3.0)); ++ ++ for (i=0;i<8;i++) { ++ static double Ci[8]={-0.6,-0.535,-0.33,-0.185,-0.095,-0.041,-0.0142,-0.0037}; ++ double sq=sqrt(1.0+Ci[i]*Ci[i]); ++ aa_cs[i] = DOUBLE_TO_REAL(1.0/sq); ++ aa_ca[i] = DOUBLE_TO_REAL(Ci[i]/sq); ++ } ++ ++ for(i=0;i<18;i++) { ++ win[0][i] = win[1][i] = DOUBLE_TO_REAL(0.5 * sin( M_PI / 72.0 * (double) (2*(i+0) +1) ) / cos ( M_PI * (double) (2*(i+0) +19) / 72.0 )); ++ win[0][i+18] = win[3][i+18] = DOUBLE_TO_REAL(0.5 * sin( M_PI / 72.0 * (double) (2*(i+18)+1) ) / cos ( M_PI * (double) (2*(i+18)+19) / 72.0 )); ++ } ++ for(i=0;i<6;i++) { ++ win[1][i+18] = DOUBLE_TO_REAL(0.5 / cos ( M_PI * (double) (2*(i+18)+19) / 72.0 )); ++ win[3][i+12] = DOUBLE_TO_REAL(0.5 / cos ( M_PI * (double) (2*(i+12)+19) / 72.0 )); ++ win[1][i+24] = DOUBLE_TO_REAL(0.5 * sin( M_PI / 24.0 * (double) (2*i+13) ) / cos ( M_PI * (double) (2*(i+24)+19) / 72.0 )); ++ win[1][i+30] = win[3][i] = DOUBLE_TO_REAL(0.0); ++ win[3][i+6 ] = DOUBLE_TO_REAL(0.5 * sin( M_PI / 24.0 * (double) (2*i+1) ) / cos ( M_PI * (double) (2*(i+6 )+19) / 72.0 )); ++ } ++ ++ for(i=0;i<9;i++) ++ COS9[i] = DOUBLE_TO_REAL(cos( M_PI / 18.0 * (double) i)); ++ ++ for(i=0;i<9;i++) ++ tfcos36[i] = DOUBLE_TO_REAL(0.5 / cos ( M_PI * (double) (i*2+1) / 36.0 )); ++ for(i=0;i<3;i++) ++ tfcos12[i] = DOUBLE_TO_REAL(0.5 / cos ( M_PI * (double) (i*2+1) / 12.0 )); ++ ++ COS6_1 = DOUBLE_TO_REAL(cos( M_PI / 6.0 * (double) 1)); ++ COS6_2 = DOUBLE_TO_REAL(cos( M_PI / 6.0 * (double) 2)); ++ ++#ifdef NEW_DCT9 ++ cos9[0] = DOUBLE_TO_REAL(cos(1.0*M_PI/9.0)); ++ cos9[1] = DOUBLE_TO_REAL(cos(5.0*M_PI/9.0)); ++ cos9[2] = DOUBLE_TO_REAL(cos(7.0*M_PI/9.0)); ++ cos18[0] = DOUBLE_TO_REAL(cos(1.0*M_PI/18.0)); ++ cos18[1] = DOUBLE_TO_REAL(cos(11.0*M_PI/18.0)); ++ cos18[2] = DOUBLE_TO_REAL(cos(13.0*M_PI/18.0)); ++#endif ++ ++ for(i=0;i<12;i++) { ++ win[2][i] = DOUBLE_TO_REAL(0.5 * sin( M_PI / 24.0 * (double) (2*i+1) ) / cos ( M_PI * (double) (2*i+7) / 24.0 )); ++ for(j=0;j<6;j++) ++ COS1[i][j] = DOUBLE_TO_REAL(cos( M_PI / 24.0 * (double) ((2*i+7)*(2*j+1)) )); ++ } ++ ++ for(j=0;j<4;j++) { ++ static int len[4] = { 36,36,12,36 }; ++ for(i=0;i 0) { ++ if( i & 1 ) ++ p1 = pow(base,(i+1.0)*0.5); ++ else ++ p2 = pow(base,i*0.5); ++ } ++ pow1_1[j][i] = DOUBLE_TO_REAL(p1); ++ pow2_1[j][i] = DOUBLE_TO_REAL(p2); ++ pow1_2[j][i] = DOUBLE_TO_REAL(M_SQRT2 * p1); ++ pow2_2[j][i] = DOUBLE_TO_REAL(M_SQRT2 * p2); ++ } ++ } ++ ++ for(j=0;j<9;j++) { ++ struct bandInfoStruct *bi = &bandInfo[j]; ++ int *mp; ++ int cb,lwin; ++ int *bdf; ++ ++ mp = map[j][0] = mapbuf0[j]; ++ bdf = bi->longDiff; ++ for(i=0,cb = 0; cb < 8 ; cb++,i+=*bdf++) { ++ *mp++ = (*bdf) >> 1; ++ *mp++ = i; ++ *mp++ = 3; ++ *mp++ = cb; ++ } ++ bdf = bi->shortDiff+3; ++ for(cb=3;cb<13;cb++) { ++ int l = (*bdf++) >> 1; ++ for(lwin=0;lwin<3;lwin++) { ++ *mp++ = l; ++ *mp++ = i + lwin; ++ *mp++ = lwin; ++ *mp++ = cb; ++ } ++ i += 6*l; ++ } ++ mapend[j][0] = mp; ++ ++ mp = map[j][1] = mapbuf1[j]; ++ bdf = bi->shortDiff+0; ++ for(i=0,cb=0;cb<13;cb++) { ++ int l = (*bdf++) >> 1; ++ for(lwin=0;lwin<3;lwin++) { ++ *mp++ = l; ++ *mp++ = i + lwin; ++ *mp++ = lwin; ++ *mp++ = cb; ++ } ++ i += 6*l; ++ } ++ mapend[j][1] = mp; ++ ++ mp = map[j][2] = mapbuf2[j]; ++ bdf = bi->longDiff; ++ for(cb = 0; cb < 22 ; cb++) { ++ *mp++ = (*bdf++) >> 1; ++ *mp++ = cb; ++ } ++ mapend[j][2] = mp; ++ ++ } ++ ++ for(j=0;j<9;j++) { ++ for(i=0;i<23;i++) { ++ longLimit[j][i] = (bandInfo[j].longIdx[i] - 1 + 8) / 18 + 1; ++ if(longLimit[j][i] > (down_sample_sblimit) ) ++ longLimit[j][i] = down_sample_sblimit; ++ } ++ for(i=0;i<14;i++) { ++ shortLimit[j][i] = (bandInfo[j].shortIdx[i] - 1) / 18 + 1; ++ if(shortLimit[j][i] > (down_sample_sblimit) ) ++ shortLimit[j][i] = down_sample_sblimit; ++ } ++ } ++ ++ for(i=0;i<5;i++) { ++ for(j=0;j<6;j++) { ++ for(k=0;k<6;k++) { ++ int n = k + j * 6 + i * 36; ++ i_slen2[n] = i|(j<<3)|(k<<6)|(3<<12); ++ } ++ } ++ } ++ for(i=0;i<4;i++) { ++ for(j=0;j<4;j++) { ++ for(k=0;k<4;k++) { ++ int n = k + j * 4 + i * 16; ++ i_slen2[n+180] = i|(j<<3)|(k<<6)|(4<<12); ++ } ++ } ++ } ++ for(i=0;i<4;i++) { ++ for(j=0;j<3;j++) { ++ int n = j + i * 3; ++ i_slen2[n+244] = i|(j<<3) | (5<<12); ++ n_slen2[n+500] = i|(j<<3) | (2<<12) | (1<<15); ++ } ++ } ++ ++ for(i=0;i<5;i++) { ++ for(j=0;j<5;j++) { ++ for(k=0;k<4;k++) { ++ for(l=0;l<4;l++) { ++ int n = l + k * 4 + j * 16 + i * 80; ++ n_slen2[n] = i|(j<<3)|(k<<6)|(l<<9)|(0<<12); ++ } ++ } ++ } ++ } ++ for(i=0;i<5;i++) { ++ for(j=0;j<5;j++) { ++ for(k=0;k<4;k++) { ++ int n = k + j * 4 + i * 20; ++ n_slen2[n+400] = i|(j<<3)|(k<<6)|(1<<12); ++ } ++ } ++ } ++} ++ ++/* ++ * read additional side information (for MPEG 1 and MPEG 2) ++ */ ++static int III_get_side_info(struct III_sideinfo *si,int stereo, ++ int ms_stereo,long sfreq,int single,int lsf) ++{ ++ int ch, gr; ++ int powdiff = (single == 3) ? 4 : 0; ++ ++ static const int tabs[2][5] = { { 2,9,5,3,4 } , { 1,8,1,2,9 } }; ++ const int *tab = tabs[lsf]; ++ ++ si->main_data_begin = getbits(tab[1]); ++ if (stereo == 1) ++ si->private_bits = getbits_fast(tab[2]); ++ else ++ si->private_bits = getbits_fast(tab[3]); ++ ++ if(!lsf) { ++ for (ch=0; chch[ch].gr[0].scfsi = -1; ++ si->ch[ch].gr[1].scfsi = getbits_fast(4); ++ } ++ } ++ ++ for (gr=0; grch[ch].gr[gr]); ++ ++ gr_info->part2_3_length = getbits(12); ++ gr_info->big_values = getbits(9); ++ if(gr_info->big_values > 288) { ++ error("big_values too large!"); ++ gr_info->big_values = 288; ++ } ++ gr_info->pow2gain = gainpow2+256 - getbits_fast(8) + powdiff; ++ if(ms_stereo) ++ gr_info->pow2gain += 2; ++ gr_info->scalefac_compress = getbits(tab[4]); ++ ++ if(get1bit()) { /* window switch flag */ ++ int i; ++ gr_info->block_type = getbits_fast(2); ++ gr_info->mixed_block_flag = get1bit(); ++ gr_info->table_select[0] = getbits_fast(5); ++ gr_info->table_select[1] = getbits_fast(5); ++ /* ++ * table_select[2] not needed, because there is no region2, ++ * but to satisfy some verifications tools we set it either. ++ */ ++ gr_info->table_select[2] = 0; ++ for(i=0;i<3;i++) ++ gr_info->full_gain[i] = gr_info->pow2gain + (getbits_fast(3)<<3); ++ ++ if(gr_info->block_type == 0) { ++ error("Blocktype == 0 and window-switching == 1 not allowed."); ++ /* exit(1); */ ++ return 1; ++ } ++ ++ /* region_count/start parameters are implicit in this case. */ ++ if(!lsf || gr_info->block_type == 2) ++ gr_info->region1start = 36>>1; ++ else { ++/* check this again for 2.5 and sfreq=8 */ ++ if(sfreq == 8) ++ gr_info->region1start = 108>>1; ++ else ++ gr_info->region1start = 54>>1; ++ } ++ gr_info->region2start = 576>>1; ++ } ++ else { ++ int i,r0c,r1c; ++ for (i=0; i<3; i++) ++ gr_info->table_select[i] = getbits_fast(5); ++ r0c = getbits_fast(4); ++ r1c = getbits_fast(3); ++ gr_info->region1start = bandInfo[sfreq].longIdx[r0c+1] >> 1 ; ++ gr_info->region2start = bandInfo[sfreq].longIdx[r0c+1+r1c+1] >> 1; ++ gr_info->block_type = 0; ++ gr_info->mixed_block_flag = 0; ++ } ++ if(!lsf) ++ gr_info->preflag = get1bit(); ++ gr_info->scalefac_scale = get1bit(); ++ gr_info->count1table_select = get1bit(); ++ } ++ } ++ return 0; ++} ++ ++/* ++ * read scalefactors ++ */ ++static int III_get_scale_factors_1(int *scf,struct gr_info_s *gr_info,int ch,int gr) ++{ ++ static const unsigned char slen[2][16] = { ++ {0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4}, ++ {0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3} ++ }; ++ int numbits; ++ int num0 = slen[0][gr_info->scalefac_compress]; ++ int num1 = slen[1][gr_info->scalefac_compress]; ++ ++ if (gr_info->block_type == 2) { ++ int i=18; ++ numbits = (num0 + num1) * 18; ++ ++ if (gr_info->mixed_block_flag) { ++ for (i=8;i;i--) ++ *scf++ = getbits_fast(num0); ++ i = 9; ++ numbits -= num0; /* num0 * 17 + num1 * 18 */ ++ } ++ ++ for (;i;i--) ++ *scf++ = getbits_fast(num0); ++ for (i = 18; i; i--) ++ *scf++ = getbits_fast(num1); ++ *scf++ = 0; *scf++ = 0; *scf++ = 0; /* short[13][0..2] = 0 */ ++ } ++ else { ++ int i; ++ int scfsi = gr_info->scfsi; ++ ++ if(scfsi < 0) { /* scfsi < 0 => granule == 0 */ ++ for(i=11;i;i--) ++ *scf++ = getbits_fast(num0); ++ for(i=10;i;i--) ++ *scf++ = getbits_fast(num1); ++ numbits = (num0 + num1) * 10 + num0; ++ *scf++ = 0; ++ } ++ else { ++ numbits = 0; ++ if(!(scfsi & 0x8)) { ++ for (i=0;i<6;i++) ++ *scf++ = getbits_fast(num0); ++ numbits += num0 * 6; ++ } ++ else { ++ scf += 6; ++ } ++ ++ if(!(scfsi & 0x4)) { ++ for (i=0;i<5;i++) ++ *scf++ = getbits_fast(num0); ++ numbits += num0 * 5; ++ } ++ else { ++ scf += 5; ++ } ++ ++ if(!(scfsi & 0x2)) { ++ for(i=0;i<5;i++) ++ *scf++ = getbits_fast(num1); ++ numbits += num1 * 5; ++ } ++ else { ++ scf += 5; ++ } ++ ++ if(!(scfsi & 0x1)) { ++ for (i=0;i<5;i++) ++ *scf++ = getbits_fast(num1); ++ numbits += num1 * 5; ++ } ++ else { ++ scf += 5; ++ } ++ *scf++ = 0; /* no l[21] in original sources */ ++ } ++ } ++ return numbits; ++} ++ ++static int III_get_scale_factors_2(int *scf,struct gr_info_s *gr_info,int i_stereo) ++{ ++ unsigned char *pnt; ++ int i,j,n=0,numbits=0; ++ unsigned int slen; ++ ++ static unsigned char stab[3][6][4] = { ++ { { 6, 5, 5,5 } , { 6, 5, 7,3 } , { 11,10,0,0} , ++ { 7, 7, 7,0 } , { 6, 6, 6,3 } , { 8, 8,5,0} } , ++ { { 9, 9, 9,9 } , { 9, 9,12,6 } , { 18,18,0,0} , ++ {12,12,12,0 } , {12, 9, 9,6 } , { 15,12,9,0} } , ++ { { 6, 9, 9,9 } , { 6, 9,12,6 } , { 15,18,0,0} , ++ { 6,15,12,0 } , { 6,12, 9,6 } , { 6,18,9,0} } }; ++ ++ if(i_stereo) /* i_stereo AND second channel -> do_layer3() checks this */ ++ slen = i_slen2[gr_info->scalefac_compress>>1]; ++ else ++ slen = n_slen2[gr_info->scalefac_compress]; ++ ++ gr_info->preflag = (slen>>15) & 0x1; ++ ++ n = 0; ++ if( gr_info->block_type == 2 ) { ++ n++; ++ if(gr_info->mixed_block_flag) ++ n++; ++ } ++ ++ pnt = stab[n][(slen>>12)&0x7]; ++ ++ for(i=0;i<4;i++) { ++ int num = slen & 0x7; ++ slen >>= 3; ++ if(num) { ++ for(j=0;j<(int)(pnt[i]);j++) ++ *scf++ = getbits_fast(num); ++ numbits += pnt[i] * num; ++ } ++ else { ++ for(j=0;j<(int)(pnt[i]);j++) ++ *scf++ = 0; ++ } ++ } ++ ++ n = (n << 1) + 1; ++ for(i=0;iscalefac_scale; ++ real *xrpnt = (real *) xr; ++ int l[3],l3; ++ int part2remain = gr_info->part2_3_length - part2bits; ++ int *me; ++ ++ /* mhipp tree has this split up a bit... */ ++ int num=getbitoffset(); ++ long mask = (long) getbits(num)<<(BITSHIFT+8-num); ++ part2remain -= num; ++ ++ { ++ int bv = gr_info->big_values; ++ int region1 = gr_info->region1start; ++ int region2 = gr_info->region2start; ++if(region1 > region2) ++{ ++ /* That's not optimal: it fixes a segfault with fuzzed data, but also apparently triggers where it shouldn't, see bug 1641196. ++ The benefit of not crashing / having this security risk is bigger than these few frames of a lame-3.70 file that aren't audible anyway ++ But still, I want to know if indeed this check or the old lame is at fault. */ ++ error("You got some really nasty file there... region1>region2!"); ++ return 1; ++} ++ l3 = ((576>>1)-bv)>>1; ++/* ++ * we may lose the 'odd' bit here !! ++ * check this later again ++ */ ++ if(bv <= region1) { ++ l[0] = bv; l[1] = 0; l[2] = 0; ++ } ++ else { ++ l[0] = region1; ++ if(bv <= region2) { ++ l[1] = bv - l[0]; l[2] = 0; ++ } ++ else { ++ l[1] = region2 - l[0]; l[2] = bv - region2; ++ } ++ } ++ } ++ ++ if(gr_info->block_type == 2) { ++ /* ++ * decoding with short or mixed mode BandIndex table ++ */ ++ int i,max[4]; ++ int step=0,lwin=3,cb=0; ++ register real v = 0.0; ++ register int *m,mc; ++ ++ if(gr_info->mixed_block_flag) { ++ max[3] = -1; ++ max[0] = max[1] = max[2] = 2; ++ m = map[sfreq][0]; ++ me = mapend[sfreq][0]; ++ } ++ else { ++ max[0] = max[1] = max[2] = max[3] = -1; ++ /* max[3] not really needed in this case */ ++ m = map[sfreq][1]; ++ me = mapend[sfreq][1]; ++ } ++ ++ mc = 0; ++ for(i=0;i<2;i++) { ++ int lp = l[i]; ++ struct newhuff *h = ht+gr_info->table_select[i]; ++ for(;lp;lp--,mc--) { ++ register int x,y; ++ if( (!mc) ) { ++ mc = *m++; ++ xrpnt = ((real *) xr) + (*m++); ++ lwin = *m++; ++ cb = *m++; ++ if(lwin == 3) { ++ v = gr_info->pow2gain[(*scf++) << shift]; ++ step = 1; ++ } ++ else { ++ v = gr_info->full_gain[lwin][(*scf++) << shift]; ++ step = 3; ++ } ++ } ++ { ++ register short *val = h->table; ++ REFRESH_MASK; ++ while((y=*val++)<0) { ++ if (mask < 0) ++ val -= y; ++ num--; ++ mask <<= 1; ++ } ++ x = y >> 4; ++ y &= 0xf; ++ } ++ if(x == 15 && h->linbits) { ++ max[lwin] = cb; ++ REFRESH_MASK; ++ x += ((unsigned long) mask) >> (BITSHIFT+8-h->linbits); ++ num -= h->linbits+1; ++ mask <<= h->linbits; ++ if(mask < 0) ++ *xrpnt = REAL_MUL(-ispow[x], v); ++ else ++ *xrpnt = REAL_MUL(ispow[x], v); ++ mask <<= 1; ++ } ++ else if(x) { ++ max[lwin] = cb; ++ if(mask < 0) ++ *xrpnt = REAL_MUL(-ispow[x], v); ++ else ++ *xrpnt = REAL_MUL(ispow[x], v); ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt = DOUBLE_TO_REAL(0.0); ++ xrpnt += step; ++ if(y == 15 && h->linbits) { ++ max[lwin] = cb; ++ REFRESH_MASK; ++ y += ((unsigned long) mask) >> (BITSHIFT+8-h->linbits); ++ num -= h->linbits+1; ++ mask <<= h->linbits; ++ if(mask < 0) ++ *xrpnt = REAL_MUL(-ispow[y], v); ++ else ++ *xrpnt = REAL_MUL(ispow[y], v); ++ mask <<= 1; ++ } ++ else if(y) { ++ max[lwin] = cb; ++ if(mask < 0) ++ *xrpnt = REAL_MUL(-ispow[y], v); ++ else ++ *xrpnt = REAL_MUL(ispow[y], v); ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt = DOUBLE_TO_REAL(0.0); ++ xrpnt += step; ++ } ++ } ++ ++ for(;l3 && (part2remain+num > 0);l3--) { ++ /* not mixing code and declarations to keep C89 happy */ ++ struct newhuff* h; ++ register short* val; ++ register short a; ++ /* This is only a humble hack to prevent a special segfault. */ ++ /* More insight into the real workings is still needed. */ ++ /* especially why there are (valid?) files that make xrpnt exceed the array with 4 bytes without segfaulting, more seems to be really bad, though. */ ++ #ifdef DEBUG ++ if(!(xrpnt < &xr[SBLIMIT][0])) ++ { ++ if(param.verbose) debug2("attempted soft xrpnt overflow (%p !< %p) ?", (void*) xrpnt, (void*) &xr[SBLIMIT][0]); ++ } ++ #endif ++ if(!(xrpnt < &xr[SBLIMIT][0]+5)) ++ { ++ error2("attempted xrpnt overflow (%p !< %p)", (void*) xrpnt, (void*) &xr[SBLIMIT][0]); ++ return 2; ++ } ++ h = htc+gr_info->count1table_select; ++ val = h->table; ++ ++ REFRESH_MASK; ++ while((a=*val++)<0) { ++ if (mask < 0) ++ val -= a; ++ num--; ++ mask <<= 1; ++ } ++ if(part2remain+num <= 0) { ++ num -= part2remain+num; ++ break; ++ } ++ ++ for(i=0;i<4;i++) { ++ if(!(i & 1)) { ++ if(!mc) { ++ mc = *m++; ++ xrpnt = ((real *) xr) + (*m++); ++ lwin = *m++; ++ cb = *m++; ++ if(lwin == 3) { ++ v = gr_info->pow2gain[(*scf++) << shift]; ++ step = 1; ++ } ++ else { ++ v = gr_info->full_gain[lwin][(*scf++) << shift]; ++ step = 3; ++ } ++ } ++ mc--; ++ } ++ if( (a & (0x8>>i)) ) { ++ max[lwin] = cb; ++ if(part2remain+num <= 0) { ++ break; ++ } ++ if(mask < 0) ++ *xrpnt = -v; ++ else ++ *xrpnt = v; ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt = DOUBLE_TO_REAL(0.0); ++ xrpnt += step; ++ } ++ } ++ ++ if(lwin < 3) { /* short band? */ ++ while(1) { ++ for(;mc > 0;mc--) { ++ *xrpnt = DOUBLE_TO_REAL(0.0); xrpnt += 3; /* short band -> step=3 */ ++ *xrpnt = DOUBLE_TO_REAL(0.0); xrpnt += 3; ++ } ++ if(m >= me) ++ break; ++ mc = *m++; ++ xrpnt = ((real *) xr) + *m++; ++ if(*m++ == 0) ++ break; /* optimize: field will be set to zero at the end of the function */ ++ m++; /* cb */ ++ } ++ } ++ ++ gr_info->maxband[0] = max[0]+1; ++ gr_info->maxband[1] = max[1]+1; ++ gr_info->maxband[2] = max[2]+1; ++ gr_info->maxbandl = max[3]+1; ++ ++ { ++ int rmax = max[0] > max[1] ? max[0] : max[1]; ++ rmax = (rmax > max[2] ? rmax : max[2]) + 1; ++ gr_info->maxb = rmax ? shortLimit[sfreq][rmax] : longLimit[sfreq][max[3]+1]; ++ } ++ ++ } ++ else { ++ /* ++ * decoding with 'long' BandIndex table (block_type != 2) ++ */ ++ int *pretab = gr_info->preflag ? pretab1 : pretab2; ++ int i,max = -1; ++ int cb = 0; ++ int *m = map[sfreq][2]; ++ register real v = 0.0; ++ int mc = 0; ++ ++ /* ++ * long hash table values ++ */ ++ for(i=0;i<3;i++) { ++ int lp = l[i]; ++ struct newhuff *h = ht+gr_info->table_select[i]; ++ ++ for(;lp;lp--,mc--) { ++ int x,y; ++ if(!mc) { ++ mc = *m++; ++ cb = *m++; ++ if(cb == 21) ++ v = 0.0; ++ else ++ v = gr_info->pow2gain[((*scf++) + (*pretab++)) << shift]; ++ ++ } ++#if defined(MPG123_ARM_UNROLL_FIX) ++ { ++ register short *val = h->table; ++ REFRESH_MASK; ++ do { ++ arm_funroll_fix(val); val++; ++ y = arm_funroll_data; ++ if (y < 0) { ++ if (mask < 0) ++ val -= y; ++ num--; ++ mask <<= 1; ++ } ++ } while (y < 0); ++ x = y >> 4; ++ y &= 0xf; ++ } ++#else ++ { ++ register short *val = h->table; ++ REFRESH_MASK; ++ while((y=*val++)<0) { ++ if (mask < 0) ++ val -= y; ++ num--; ++ mask <<= 1; ++ } ++ x = y >> 4; ++ y &= 0xf; ++ } ++#endif ++ ++ if (x == 15 && h->linbits) { ++ max = cb; ++ REFRESH_MASK; ++ x += ((unsigned long) mask) >> (BITSHIFT+8-h->linbits); ++ num -= h->linbits+1; ++ mask <<= h->linbits; ++ if(mask < 0) ++ *xrpnt++ = REAL_MUL(-ispow[x], v); ++ else ++ *xrpnt++ = REAL_MUL(ispow[x], v); ++ mask <<= 1; ++ } ++ else if(x) { ++ max = cb; ++ if(mask < 0) ++ *xrpnt++ = REAL_MUL(-ispow[x], v); ++ else ++ *xrpnt++ = REAL_MUL(ispow[x], v); ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt++ = DOUBLE_TO_REAL(0.0); ++ ++ if (y == 15 && h->linbits) { ++ max = cb; ++ REFRESH_MASK; ++ y += ((unsigned long) mask) >> (BITSHIFT+8-h->linbits); ++ num -= h->linbits+1; ++ mask <<= h->linbits; ++ if(mask < 0) ++ *xrpnt++ = REAL_MUL(-ispow[y], v); ++ else ++ *xrpnt++ = REAL_MUL(ispow[y], v); ++ mask <<= 1; ++ } ++ else if(y) { ++ max = cb; ++ if(mask < 0) ++ *xrpnt++ = REAL_MUL(-ispow[y], v); ++ else ++ *xrpnt++ = REAL_MUL(ispow[y], v); ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt++ = DOUBLE_TO_REAL(0.0); ++ } ++ } ++ ++ /* ++ * short (count1table) values ++ */ ++ for(;l3 && (part2remain+num > 0);l3--) { ++ struct newhuff *h = htc+gr_info->count1table_select; ++ register short *val = h->table,a; ++ ++ REFRESH_MASK; ++#if defined(MPG123_ARM_UNROLL_FIX) ++ do { ++ arm_funroll_fix(val); val++; ++ a = arm_funroll_data; ++ if (a < 0) { ++ if (mask < 0) ++ val -= a; ++ num--; ++ mask <<= 1; ++ } ++ } while (a < 0); ++#else ++ while((a=*val++)<0) { ++ if (mask < 0) ++ val -= a; ++ num--; ++ mask <<= 1; ++ } ++#endif ++ ++ while((a=*val++)<0) { ++ if (mask < 0) ++ val -= a; ++ num--; ++ mask <<= 1; ++ } ++ if(part2remain+num <= 0) { ++ num -= part2remain+num; ++ break; ++ } ++ ++ for(i=0;i<4;i++) { ++ if(!(i & 1)) { ++ if(!mc) { ++ mc = *m++; ++ cb = *m++; ++ if(cb == 21) ++ v = 0.0; ++ else ++ v = gr_info->pow2gain[((*scf++) + (*pretab++)) << shift]; ++ } ++ mc--; ++ } ++ if ( (a & (0x8>>i)) ) { ++ max = cb; ++ if(part2remain+num <= 0) { ++ break; ++ } ++ if(mask < 0) ++ *xrpnt++ = -v; ++ else ++ *xrpnt++ = v; ++ num--; ++ mask <<= 1; ++ } ++ else ++ *xrpnt++ = DOUBLE_TO_REAL(0.0); ++ } ++ } ++ ++ gr_info->maxbandl = max+1; ++ gr_info->maxb = longLimit[sfreq][gr_info->maxbandl]; ++ } ++ ++ part2remain += num; ++ backbits(num); ++ num = 0; ++ ++ while(xrpnt < &xr[SBLIMIT][0]) ++ *xrpnt++ = DOUBLE_TO_REAL(0.0); ++ ++ while( part2remain > 16 ) { ++ getbits(16); /* Dismiss stuffing Bits */ ++ part2remain -= 16; ++ } ++ if(part2remain > 0) ++ getbits(part2remain); ++ else if(part2remain < 0) { ++ debug1("Can't rewind stream by %d bits!",-part2remain); ++ return 1; /* -> error */ ++ } ++ return 0; ++} ++ ++/* ++ * III_stereo: calculate real channel values for Joint-I-Stereo-mode ++ */ ++static void III_i_stereo(real xr_buf[2][SBLIMIT][SSLIMIT],int *scalefac, ++ struct gr_info_s *gr_info,int sfreq,int ms_stereo,int lsf) ++{ ++ real (*xr)[SBLIMIT*SSLIMIT] = (real (*)[SBLIMIT*SSLIMIT] ) xr_buf; ++ struct bandInfoStruct *bi = &bandInfo[sfreq]; ++ ++ const real *tab1,*tab2; ++ ++#if 1 ++ int tab; ++/* TODO: optimize as static */ ++ static const real *tabs[3][2][2] = { ++ { { tan1_1,tan2_1 } , { tan1_2,tan2_2 } }, ++ { { pow1_1[0],pow2_1[0] } , { pow1_2[0],pow2_2[0] } } , ++ { { pow1_1[1],pow2_1[1] } , { pow1_2[1],pow2_2[1] } } ++ }; ++ ++ tab = lsf + (gr_info->scalefac_compress & lsf); ++ tab1 = tabs[tab][ms_stereo][0]; ++ tab2 = tabs[tab][ms_stereo][1]; ++#else ++ if(lsf) { ++ int p = gr_info->scalefac_compress & 0x1; ++ if(ms_stereo) { ++ tab1 = pow1_2[p]; tab2 = pow2_2[p]; ++ } ++ else { ++ tab1 = pow1_1[p]; tab2 = pow2_1[p]; ++ } ++ } ++ else { ++ if(ms_stereo) { ++ tab1 = tan1_2; tab2 = tan2_2; ++ } ++ else { ++ tab1 = tan1_1; tab2 = tan2_1; ++ } ++ } ++#endif ++ ++ if (gr_info->block_type == 2) { ++ int lwin,do_l = 0; ++ if( gr_info->mixed_block_flag ) ++ do_l = 1; ++ ++ for (lwin=0;lwin<3;lwin++) { /* process each window */ ++ /* get first band with zero values */ ++ int is_p,sb,idx,sfb = gr_info->maxband[lwin]; /* sfb is minimal 3 for mixed mode */ ++ if(sfb > 3) ++ do_l = 0; ++ ++ for(;sfb<12;sfb++) { ++ is_p = scalefac[sfb*3+lwin-gr_info->mixed_block_flag]; /* scale: 0-15 */ ++ if(is_p != 7) { ++ real t1,t2; ++ sb = bi->shortDiff[sfb]; ++ idx = bi->shortIdx[sfb] + lwin; ++ t1 = tab1[is_p]; t2 = tab2[is_p]; ++ for (; sb > 0; sb--,idx+=3) { ++ real v = xr[0][idx]; ++ xr[0][idx] = REAL_MUL(v, t1); ++ xr[1][idx] = REAL_MUL(v, t2); ++ } ++ } ++ } ++ ++#if 1 ++/* in the original: copy 10 to 11 , here: copy 11 to 12 ++maybe still wrong??? (copy 12 to 13?) */ ++ is_p = scalefac[11*3+lwin-gr_info->mixed_block_flag]; /* scale: 0-15 */ ++ sb = bi->shortDiff[12]; ++ idx = bi->shortIdx[12] + lwin; ++#else ++ is_p = scalefac[10*3+lwin-gr_info->mixed_block_flag]; /* scale: 0-15 */ ++ sb = bi->shortDiff[11]; ++ idx = bi->shortIdx[11] + lwin; ++#endif ++ if(is_p != 7) { ++ real t1,t2; ++ t1 = tab1[is_p]; t2 = tab2[is_p]; ++ for ( ; sb > 0; sb--,idx+=3 ) { ++ real v = xr[0][idx]; ++ xr[0][idx] = REAL_MUL(v, t1); ++ xr[1][idx] = REAL_MUL(v, t2); ++ } ++ } ++ } /* end for(lwin; .. ; . ) */ ++ ++/* also check l-part, if ALL bands in the three windows are 'empty' ++ * and mode = mixed_mode ++ */ ++ if (do_l) { ++ int sfb = gr_info->maxbandl; ++ int idx; ++ if(sfb > 21) return; /* similarity fix related to CVE-2006-1655 */ ++ idx = bi->longIdx[sfb]; ++ for ( ; sfb<8; sfb++ ) { ++ int sb = bi->longDiff[sfb]; ++ int is_p = scalefac[sfb]; /* scale: 0-15 */ ++ if(is_p != 7) { ++ real t1,t2; ++ t1 = tab1[is_p]; t2 = tab2[is_p]; ++ for ( ; sb > 0; sb--,idx++) { ++ real v = xr[0][idx]; ++ xr[0][idx] = REAL_MUL(v, t1); ++ xr[1][idx] = REAL_MUL(v, t2); ++ } ++ } ++ else ++ idx += sb; ++ } ++ } ++ } ++ else { /* ((gr_info->block_type != 2)) */ ++ int sfb = gr_info->maxbandl; ++ int is_p,idx; ++ if(sfb > 21) return; /* tightened fix for CVE-2006-1655 */ ++ idx = bi->longIdx[sfb]; ++ for ( ; sfb<21; sfb++) { ++ int sb = bi->longDiff[sfb]; ++ is_p = scalefac[sfb]; /* scale: 0-15 */ ++ if(is_p != 7) { ++ real t1,t2; ++ t1 = tab1[is_p]; t2 = tab2[is_p]; ++ for ( ; sb > 0; sb--,idx++) { ++ real v = xr[0][idx]; ++ xr[0][idx] = REAL_MUL(v, t1); ++ xr[1][idx] = REAL_MUL(v, t2); ++ } ++ } ++ else ++ idx += sb; ++ } ++ ++ is_p = scalefac[20]; ++ if(is_p != 7) { /* copy l-band 20 to l-band 21 */ ++ int sb; ++ real t1 = tab1[is_p],t2 = tab2[is_p]; ++ ++ for ( sb = bi->longDiff[21]; sb > 0; sb--,idx++ ) { ++ real v = xr[0][idx]; ++ xr[0][idx] = REAL_MUL(v, t1); ++ xr[1][idx] = REAL_MUL(v, t2); ++ } ++ } ++ } /* ... */ ++} ++ ++static void III_antialias(real xr[SBLIMIT][SSLIMIT],struct gr_info_s *gr_info) { ++ int sblim; ++ ++ if(gr_info->block_type == 2) { ++ if(!gr_info->mixed_block_flag) ++ return; ++ sblim = 1; ++ } ++ else { ++ sblim = gr_info->maxb-1; ++ } ++ ++ /* 31 alias-reduction operations between each pair of sub-bands */ ++ /* with 8 butterflies between each pair */ ++ ++ { ++ int sb; ++ real *xr1=(real *) xr[1]; ++ ++ for(sb=sblim;sb;sb--,xr1+=10) { ++ int ss; ++ real *cs=aa_cs,*ca=aa_ca; ++ real *xr2 = xr1; ++ ++ for(ss=7;ss>=0;ss--) ++ { /* upper and lower butterfly inputs */ ++ register real bu = *--xr2,bd = *xr1; ++ *xr2 = REAL_MUL(bu, *cs) - REAL_MUL(bd, *ca); ++ *xr1++ = REAL_MUL(bd, *cs++) + REAL_MUL(bu, *ca++); ++ } ++ } ++ } ++} ++ ++/* ++// This is an optimized DCT from Jeff Tsay's maplay 1.2+ package. ++// Saved one multiplication by doing the 'twiddle factor' stuff ++// together with the window mul. (MH) ++// ++// This uses Byeong Gi Lee's Fast Cosine Transform algorithm, but the ++// 9 point IDCT needs to be reduced further. Unfortunately, I don't ++// know how to do that, because 9 is not an even number. - Jeff. ++// ++////////////////////////////////////////////////////////////////// ++// ++// 9 Point Inverse Discrete Cosine Transform ++// ++// This piece of code is Copyright 1997 Mikko Tommila and is freely usable ++// by anybody. The algorithm itself is of course in the public domain. ++// ++// Again derived heuristically from the 9-point WFTA. ++// ++// The algorithm is optimized (?) for speed, not for small rounding errors or ++// good readability. ++// ++// 36 additions, 11 multiplications ++// ++// Again this is very likely sub-optimal. ++// ++// The code is optimized to use a minimum number of temporary variables, ++// so it should compile quite well even on 8-register Intel x86 processors. ++// This makes the code quite obfuscated and very difficult to understand. ++// ++// References: ++// [1] S. Winograd: "On Computing the Discrete Fourier Transform", ++// Mathematics of Computation, Volume 32, Number 141, January 1978, ++// Pages 175-199 ++*/ ++ ++/*------------------------------------------------------------------*/ ++/* */ ++/* Function: Calculation of the inverse MDCT */ ++/* */ ++/*------------------------------------------------------------------*/ ++/* used to be static without 3dnow - does that really matter? */ ++void dct36(real *inbuf,real *o1,real *o2,real *wintab,real *tsbuf) ++{ ++#ifdef NEW_DCT9 ++ real tmp[18]; ++#endif ++ ++ { ++ register real *in = inbuf; ++ ++ in[17]+=in[16]; in[16]+=in[15]; in[15]+=in[14]; ++ in[14]+=in[13]; in[13]+=in[12]; in[12]+=in[11]; ++ in[11]+=in[10]; in[10]+=in[9]; in[9] +=in[8]; ++ in[8] +=in[7]; in[7] +=in[6]; in[6] +=in[5]; ++ in[5] +=in[4]; in[4] +=in[3]; in[3] +=in[2]; ++ in[2] +=in[1]; in[1] +=in[0]; ++ ++ in[17]+=in[15]; in[15]+=in[13]; in[13]+=in[11]; in[11]+=in[9]; ++ in[9] +=in[7]; in[7] +=in[5]; in[5] +=in[3]; in[3] +=in[1]; ++ ++ ++#ifdef NEW_DCT9 ++#if 1 ++ { ++ real t3; ++ { ++ real t0, t1, t2; ++ ++ t0 = REAL_MUL(COS6_2, (in[8] + in[16] - in[4])); ++ t1 = REAL_MUL(COS6_2, in[12]); ++ ++ t3 = in[0]; ++ t2 = t3 - t1 - t1; ++ tmp[1] = tmp[7] = t2 - t0; ++ tmp[4] = t2 + t0 + t0; ++ t3 += t1; ++ ++ t2 = REAL_MUL(COS6_1, (in[10] + in[14] - in[2])); ++ tmp[1] -= t2; ++ tmp[7] += t2; ++ } ++ { ++ real t0, t1, t2; ++ ++ t0 = REAL_MUL(cos9[0], (in[4] + in[8] )); ++ t1 = REAL_MUL(cos9[1], (in[8] - in[16])); ++ t2 = REAL_MUL(cos9[2], (in[4] + in[16])); ++ ++ tmp[2] = tmp[6] = t3 - t0 - t2; ++ tmp[0] = tmp[8] = t3 + t0 + t1; ++ tmp[3] = tmp[5] = t3 - t1 + t2; ++ } ++ } ++ { ++ real t1, t2, t3; ++ ++ t1 = REAL_MUL(cos18[0], (in[2] + in[10])); ++ t2 = REAL_MUL(cos18[1], (in[10] - in[14])); ++ t3 = REAL_MUL(COS6_1, in[6]); ++ ++ { ++ real t0 = t1 + t2 + t3; ++ tmp[0] += t0; ++ tmp[8] -= t0; ++ } ++ ++ t2 -= t3; ++ t1 -= t3; ++ ++ t3 = REAL_MUL(cos18[2], (in[2] + in[14])); ++ ++ t1 += t3; ++ tmp[3] += t1; ++ tmp[5] -= t1; ++ ++ t2 -= t3; ++ tmp[2] += t2; ++ tmp[6] -= t2; ++ } ++ ++#else ++ { ++ real t0, t1, t2, t3, t4, t5, t6, t7; ++ ++ t1 = REAL_MUL(COS6_2, in[12]); ++ t2 = REAL_MUL(COS6_2, (in[8] + in[16] - in[4])); ++ ++ t3 = in[0] + t1; ++ t4 = in[0] - t1 - t1; ++ t5 = t4 - t2; ++ tmp[4] = t4 + t2 + t2; ++ ++ t0 = REAL_MUL(cos9[0], (in[4] + in[8])); ++ t1 = REAL_MUL(cos9[1], (in[8] - in[16])); ++ ++ t2 = REAL_MUL(cos9[2], (in[4] + in[16])); ++ ++ t6 = t3 - t0 - t2; ++ t0 += t3 + t1; ++ t3 += t2 - t1; ++ ++ t2 = REAL_MUL(cos18[0], (in[2] + in[10])); ++ t4 = REAL_MUL(cos18[1], (in[10] - in[14])); ++ t7 = REAL_MUL(COS6_1, in[6]); ++ ++ t1 = t2 + t4 + t7; ++ tmp[0] = t0 + t1; ++ tmp[8] = t0 - t1; ++ t1 = REAL_MUL(cos18[2], (in[2] + in[14])); ++ t2 += t1 - t7; ++ ++ tmp[3] = t3 + t2; ++ t0 = REAL_MUL(COS6_1, (in[10] + in[14] - in[2])); ++ tmp[5] = t3 - t2; ++ ++ t4 -= t1 + t7; ++ ++ tmp[1] = t5 - t0; ++ tmp[7] = t5 + t0; ++ tmp[2] = t6 + t4; ++ tmp[6] = t6 - t4; ++ } ++#endif ++ ++ { ++ real t0, t1, t2, t3, t4, t5, t6, t7; ++ ++ t1 = REAL_MUL(COS6_2, in[13]); ++ t2 = REAL_MUL(COS6_2, (in[9] + in[17] - in[5])); ++ ++ t3 = in[1] + t1; ++ t4 = in[1] - t1 - t1; ++ t5 = t4 - t2; ++ ++ t0 = REAL_MUL(cos9[0], (in[5] + in[9])); ++ t1 = REAL_MUL(cos9[1], (in[9] - in[17])); ++ ++ tmp[13] = REAL_MUL((t4 + t2 + t2), tfcos36[17-13]); ++ t2 = REAL_MUL(cos9[2], (in[5] + in[17])); ++ ++ t6 = t3 - t0 - t2; ++ t0 += t3 + t1; ++ t3 += t2 - t1; ++ ++ t2 = REAL_MUL(cos18[0], (in[3] + in[11])); ++ t4 = REAL_MUL(cos18[1], (in[11] - in[15])); ++ t7 = REAL_MUL(COS6_1, in[7]); ++ ++ t1 = t2 + t4 + t7; ++ tmp[17] = REAL_MUL((t0 + t1), tfcos36[17-17]); ++ tmp[9] = REAL_MUL((t0 - t1), tfcos36[17-9]); ++ t1 = REAL_MUL(cos18[2], (in[3] + in[15])); ++ t2 += t1 - t7; ++ ++ tmp[14] = REAL_MUL((t3 + t2), tfcos36[17-14]); ++ t0 = REAL_MUL(COS6_1, (in[11] + in[15] - in[3])); ++ tmp[12] = REAL_MUL((t3 - t2), tfcos36[17-12]); ++ ++ t4 -= t1 + t7; ++ ++ tmp[16] = REAL_MUL((t5 - t0), tfcos36[17-16]); ++ tmp[10] = REAL_MUL((t5 + t0), tfcos36[17-10]); ++ tmp[15] = REAL_MUL((t6 + t4), tfcos36[17-15]); ++ tmp[11] = REAL_MUL((t6 - t4), tfcos36[17-11]); ++ } ++ ++#define MACRO(v) { \ ++ real tmpval; \ ++ tmpval = tmp[(v)] + tmp[17-(v)]; \ ++ out2[9+(v)] = REAL_MUL(tmpval, w[27+(v)]); \ ++ out2[8-(v)] = REAL_MUL(tmpval, w[26-(v)]); \ ++ tmpval = tmp[(v)] - tmp[17-(v)]; \ ++ ts[SBLIMIT*(8-(v))] = out1[8-(v)] + REAL_MUL(tmpval, w[8-(v)]); \ ++ ts[SBLIMIT*(9+(v))] = out1[9+(v)] + REAL_MUL(tmpval, w[9+(v)]); } ++ ++{ ++ register real *out2 = o2; ++ register real *w = wintab; ++ register real *out1 = o1; ++ register real *ts = tsbuf; ++ ++ MACRO(0); ++ MACRO(1); ++ MACRO(2); ++ MACRO(3); ++ MACRO(4); ++ MACRO(5); ++ MACRO(6); ++ MACRO(7); ++ MACRO(8); ++} ++ ++#else ++ ++ { ++ ++#define MACRO0(v) { \ ++ real tmp; \ ++ out2[9+(v)] = REAL_MUL((tmp = sum0 + sum1), w[27+(v)]); \ ++ out2[8-(v)] = REAL_MUL(tmp, w[26-(v)]); } \ ++ sum0 -= sum1; \ ++ ts[SBLIMIT*(8-(v))] = out1[8-(v)] + REAL_MUL(sum0, w[8-(v)]); \ ++ ts[SBLIMIT*(9+(v))] = out1[9+(v)] + REAL_MUL(sum0, w[9+(v)]); ++#define MACRO1(v) { \ ++ real sum0,sum1; \ ++ sum0 = tmp1a + tmp2a; \ ++ sum1 = REAL_MUL((tmp1b + tmp2b), tfcos36[(v)]); \ ++ MACRO0(v); } ++#define MACRO2(v) { \ ++ real sum0,sum1; \ ++ sum0 = tmp2a - tmp1a; \ ++ sum1 = REAL_MUL((tmp2b - tmp1b), tfcos36[(v)]); \ ++ MACRO0(v); } ++ ++ register const real *c = COS9; ++ register real *out2 = o2; ++ register real *w = wintab; ++ register real *out1 = o1; ++ register real *ts = tsbuf; ++ ++ real ta33,ta66,tb33,tb66; ++ ++ ta33 = REAL_MUL(in[2*3+0], c[3]); ++ ta66 = REAL_MUL(in[2*6+0], c[6]); ++ tb33 = REAL_MUL(in[2*3+1], c[3]); ++ tb66 = REAL_MUL(in[2*6+1], c[6]); ++ ++ { ++ real tmp1a,tmp2a,tmp1b,tmp2b; ++ tmp1a = REAL_MUL(in[2*1+0], c[1]) + ta33 + REAL_MUL(in[2*5+0], c[5]) + REAL_MUL(in[2*7+0], c[7]); ++ tmp1b = REAL_MUL(in[2*1+1], c[1]) + tb33 + REAL_MUL(in[2*5+1], c[5]) + REAL_MUL(in[2*7+1], c[7]); ++ tmp2a = REAL_MUL(in[2*2+0], c[2]) + REAL_MUL(in[2*4+0], c[4]) + ta66 + REAL_MUL(in[2*8+0], c[8]); ++ tmp2b = REAL_MUL(in[2*2+1], c[2]) + REAL_MUL(in[2*4+1], c[4]) + tb66 + REAL_MUL(in[2*8+1], c[8]); ++ ++ MACRO1(0); ++ MACRO2(8); ++ } ++ ++ { ++ real tmp1a,tmp2a,tmp1b,tmp2b; ++ tmp1a = REAL_MUL(( in[2*1+0] - in[2*5+0] - in[2*7+0] ), c[3]); ++ tmp1b = REAL_MUL(( in[2*1+1] - in[2*5+1] - in[2*7+1] ), c[3]); ++ tmp2a = REAL_MUL(( in[2*2+0] - in[2*4+0] - in[2*8+0] ), c[6]) - in[2*6+0] + in[2*0+0]; ++ tmp2b = REAL_MUL(( in[2*2+1] - in[2*4+1] - in[2*8+1] ), c[6]) - in[2*6+1] + in[2*0+1]; ++ ++ MACRO1(1); ++ MACRO2(7); ++ } ++ ++ { ++ real tmp1a,tmp2a,tmp1b,tmp2b; ++ tmp1a = REAL_MUL(in[2*1+0], c[5]) - ta33 - REAL_MUL(in[2*5+0], c[7]) + REAL_MUL(in[2*7+0], c[1]); ++ tmp1b = REAL_MUL(in[2*1+1], c[5]) - tb33 - REAL_MUL(in[2*5+1], c[7]) + REAL_MUL(in[2*7+1], c[1]); ++ tmp2a = - REAL_MUL(in[2*2+0], c[8]) - REAL_MUL(in[2*4+0], c[2]) + ta66 + REAL_MUL(in[2*8+0], c[4]); ++ tmp2b = - REAL_MUL(in[2*2+1], c[8]) - REAL_MUL(in[2*4+1], c[2]) + tb66 + REAL_MUL(in[2*8+1], c[4]); ++ ++ MACRO1(2); ++ MACRO2(6); ++ } ++ ++ { ++ real tmp1a,tmp2a,tmp1b,tmp2b; ++ tmp1a = REAL_MUL(in[2*1+0], c[7]) - ta33 + REAL_MUL(in[2*5+0], c[1]) - REAL_MUL(in[2*7+0], c[5]); ++ tmp1b = REAL_MUL(in[2*1+1], c[7]) - tb33 + REAL_MUL(in[2*5+1], c[1]) - REAL_MUL(in[2*7+1], c[5]); ++ tmp2a = - REAL_MUL(in[2*2+0], c[4]) + REAL_MUL(in[2*4+0], c[8]) + ta66 - REAL_MUL(in[2*8+0], c[2]); ++ tmp2b = - REAL_MUL(in[2*2+1], c[4]) + REAL_MUL(in[2*4+1], c[8]) + tb66 - REAL_MUL(in[2*8+1], c[2]); ++ ++ MACRO1(3); ++ MACRO2(5); ++ } ++ ++ { ++ real sum0,sum1; ++ sum0 = in[2*0+0] - in[2*2+0] + in[2*4+0] - in[2*6+0] + in[2*8+0]; ++ sum1 = REAL_MUL((in[2*0+1] - in[2*2+1] + in[2*4+1] - in[2*6+1] + in[2*8+1] ), tfcos36[4]); ++ MACRO0(4); ++ } ++ } ++#endif ++ ++ } ++} ++ ++/* ++ * new DCT12 ++ */ ++static void dct12(real *in,real *rawout1,real *rawout2,register real *wi,register real *ts) ++{ ++#define DCT12_PART1 \ ++ in5 = in[5*3]; \ ++ in5 += (in4 = in[4*3]); \ ++ in4 += (in3 = in[3*3]); \ ++ in3 += (in2 = in[2*3]); \ ++ in2 += (in1 = in[1*3]); \ ++ in1 += (in0 = in[0*3]); \ ++ \ ++ in5 += in3; in3 += in1; \ ++ \ ++ in2 = REAL_MUL(in2, COS6_1); \ ++ in3 = REAL_MUL(in3, COS6_1); \ ++ ++#define DCT12_PART2 \ ++ in0 += REAL_MUL(in4, COS6_2); \ ++ \ ++ in4 = in0 + in2; \ ++ in0 -= in2; \ ++ \ ++ in1 += REAL_MUL(in5, COS6_2); \ ++ \ ++ in5 = REAL_MUL((in1 + in3), tfcos12[0]); \ ++ in1 = REAL_MUL((in1 - in3), tfcos12[2]); \ ++ \ ++ in3 = in4 + in5; \ ++ in4 -= in5; \ ++ \ ++ in2 = in0 + in1; \ ++ in0 -= in1; ++ ++ ++ { ++ real in0,in1,in2,in3,in4,in5; ++ register real *out1 = rawout1; ++ ts[SBLIMIT*0] = out1[0]; ts[SBLIMIT*1] = out1[1]; ts[SBLIMIT*2] = out1[2]; ++ ts[SBLIMIT*3] = out1[3]; ts[SBLIMIT*4] = out1[4]; ts[SBLIMIT*5] = out1[5]; ++ ++ DCT12_PART1 ++ ++ { ++ real tmp0,tmp1 = (in0 - in4); ++ { ++ real tmp2 = REAL_MUL((in1 - in5), tfcos12[1]); ++ tmp0 = tmp1 + tmp2; ++ tmp1 -= tmp2; ++ } ++ ts[(17-1)*SBLIMIT] = out1[17-1] + REAL_MUL(tmp0, wi[11-1]); ++ ts[(12+1)*SBLIMIT] = out1[12+1] + REAL_MUL(tmp0, wi[6+1]); ++ ts[(6 +1)*SBLIMIT] = out1[6 +1] + REAL_MUL(tmp1, wi[1]); ++ ts[(11-1)*SBLIMIT] = out1[11-1] + REAL_MUL(tmp1, wi[5-1]); ++ } ++ ++ DCT12_PART2 ++ ++ ts[(17-0)*SBLIMIT] = out1[17-0] + REAL_MUL(in2, wi[11-0]); ++ ts[(12+0)*SBLIMIT] = out1[12+0] + REAL_MUL(in2, wi[6+0]); ++ ts[(12+2)*SBLIMIT] = out1[12+2] + REAL_MUL(in3, wi[6+2]); ++ ts[(17-2)*SBLIMIT] = out1[17-2] + REAL_MUL(in3, wi[11-2]); ++ ++ ts[(6 +0)*SBLIMIT] = out1[6+0] + REAL_MUL(in0, wi[0]); ++ ts[(11-0)*SBLIMIT] = out1[11-0] + REAL_MUL(in0, wi[5-0]); ++ ts[(6 +2)*SBLIMIT] = out1[6+2] + REAL_MUL(in4, wi[2]); ++ ts[(11-2)*SBLIMIT] = out1[11-2] + REAL_MUL(in4, wi[5-2]); ++ } ++ ++ in++; ++ ++ { ++ real in0,in1,in2,in3,in4,in5; ++ register real *out2 = rawout2; ++ ++ DCT12_PART1 ++ ++ { ++ real tmp0,tmp1 = (in0 - in4); ++ { ++ real tmp2 = REAL_MUL((in1 - in5), tfcos12[1]); ++ tmp0 = tmp1 + tmp2; ++ tmp1 -= tmp2; ++ } ++ out2[5-1] = REAL_MUL(tmp0, wi[11-1]); ++ out2[0+1] = REAL_MUL(tmp0, wi[6+1]); ++ ts[(12+1)*SBLIMIT] += REAL_MUL(tmp1, wi[1]); ++ ts[(17-1)*SBLIMIT] += REAL_MUL(tmp1, wi[5-1]); ++ } ++ ++ DCT12_PART2 ++ ++ out2[5-0] = REAL_MUL(in2, wi[11-0]); ++ out2[0+0] = REAL_MUL(in2, wi[6+0]); ++ out2[0+2] = REAL_MUL(in3, wi[6+2]); ++ out2[5-2] = REAL_MUL(in3, wi[11-2]); ++ ++ ts[(12+0)*SBLIMIT] += REAL_MUL(in0, wi[0]); ++ ts[(17-0)*SBLIMIT] += REAL_MUL(in0, wi[5-0]); ++ ts[(12+2)*SBLIMIT] += REAL_MUL(in4, wi[2]); ++ ts[(17-2)*SBLIMIT] += REAL_MUL(in4, wi[5-2]); ++ } ++ ++ in++; ++ ++ { ++ real in0,in1,in2,in3,in4,in5; ++ register real *out2 = rawout2; ++ out2[12]=out2[13]=out2[14]=out2[15]=out2[16]=out2[17]=0.0; ++ ++ DCT12_PART1 ++ ++ { ++ real tmp0,tmp1 = (in0 - in4); ++ { ++ real tmp2 = REAL_MUL((in1 - in5), tfcos12[1]); ++ tmp0 = tmp1 + tmp2; ++ tmp1 -= tmp2; ++ } ++ out2[11-1] = REAL_MUL(tmp0, wi[11-1]); ++ out2[6 +1] = REAL_MUL(tmp0, wi[6+1]); ++ out2[0+1] += REAL_MUL(tmp1, wi[1]); ++ out2[5-1] += REAL_MUL(tmp1, wi[5-1]); ++ } ++ ++ DCT12_PART2 ++ ++ out2[11-0] = REAL_MUL(in2, wi[11-0]); ++ out2[6 +0] = REAL_MUL(in2, wi[6+0]); ++ out2[6 +2] = REAL_MUL(in3, wi[6+2]); ++ out2[11-2] = REAL_MUL(in3, wi[11-2]); ++ ++ out2[0+0] += REAL_MUL(in0, wi[0]); ++ out2[5-0] += REAL_MUL(in0, wi[5-0]); ++ out2[0+2] += REAL_MUL(in4, wi[2]); ++ out2[5-2] += REAL_MUL(in4, wi[5-2]); ++ } ++} ++ ++/* ++ * III_hybrid ++ */ ++static void III_hybrid(real fsIn[SBLIMIT][SSLIMIT], real tsOut[SSLIMIT][SBLIMIT], int ch,struct gr_info_s *gr_info) ++{ ++ static real block[2][2][SBLIMIT*SSLIMIT] = { { { 0, } } }; ++ static int blc[2]={0,0}; ++ ++ real *tspnt = (real *) tsOut; ++ real *rawout1,*rawout2; ++ int bt,sb = 0; ++ ++ { ++ int b = blc[ch]; ++ rawout1=block[b][ch]; ++ b=-b+1; ++ rawout2=block[b][ch]; ++ blc[ch] = b; ++ } ++ ++ if(gr_info->mixed_block_flag) { ++ sb = 2; ++ opt_dct36(fsIn[0],rawout1,rawout2,win[0],tspnt); ++ opt_dct36(fsIn[1],rawout1+18,rawout2+18,win1[0],tspnt+1); ++ rawout1 += 36; rawout2 += 36; tspnt += 2; ++ } ++ ++ bt = gr_info->block_type; ++ if(bt == 2) { ++ for (; sbmaxb; sb+=2,tspnt+=2,rawout1+=36,rawout2+=36) { ++ dct12(fsIn[sb] ,rawout1 ,rawout2 ,win[2] ,tspnt); ++ dct12(fsIn[sb+1],rawout1+18,rawout2+18,win1[2],tspnt+1); ++ } ++ } ++ else { ++ for (; sbmaxb; sb+=2,tspnt+=2,rawout1+=36,rawout2+=36) { ++ opt_dct36(fsIn[sb],rawout1,rawout2,win[bt],tspnt); ++ opt_dct36(fsIn[sb+1],rawout1+18,rawout2+18,win1[bt],tspnt+1); ++ } ++ } ++ ++ for(;sbstereo; ++ int single = fr->single; ++ int ms_stereo,i_stereo; ++ int sfreq = fr->sampling_frequency; ++ int stereo1,granules; ++ ++ if(stereo == 1) { /* stream is mono */ ++ stereo1 = 1; ++ single = 0; ++ } ++ else if(single >= 0) /* stream is stereo, but force to mono */ ++ stereo1 = 1; ++ else ++ stereo1 = 2; ++ ++ if(fr->mode == MPG_MD_JOINT_STEREO) { ++ ms_stereo = (fr->mode_ext & 0x2)>>1; ++ i_stereo = fr->mode_ext & 0x1; ++ } ++ else ++ ms_stereo = i_stereo = 0; ++ ++ if(fr->lsf) { ++ granules = 1; ++#if 0 ++ III_get_side_info_2(&sideinfo,stereo,ms_stereo,sfreq,single); ++#endif ++ } ++ else { ++ granules = 2; ++ } ++ /* quick hack to keep the music playing */ ++ /* after having seen this nasty test file... */ ++ if(III_get_side_info(&sideinfo,stereo,ms_stereo,sfreq,single,fr->lsf)) ++ { ++ error("bad frame - unable to get valid sideinfo"); ++ return clip; ++ } ++ ++ set_pointer(sideinfo.main_data_begin); ++ ++ for (gr=0;grlsf) ++ part2bits = III_get_scale_factors_2(scalefacs[0],gr_info,0); ++ else ++ part2bits = III_get_scale_factors_1(scalefacs[0],gr_info,0,gr); ++ ++ if(III_dequantize_sample(hybridIn[0], scalefacs[0],gr_info,sfreq,part2bits)) ++ return clip; ++ } ++ ++ if(stereo == 2) { ++ struct gr_info_s *gr_info = &(sideinfo.ch[1].gr[gr]); ++ long part2bits; ++ if(fr->lsf) ++ part2bits = III_get_scale_factors_2(scalefacs[1],gr_info,i_stereo); ++ else ++ part2bits = III_get_scale_factors_1(scalefacs[1],gr_info,1,gr); ++ ++ if(III_dequantize_sample(hybridIn[1],scalefacs[1],gr_info,sfreq,part2bits)) ++ return clip; ++ ++ if(ms_stereo) { ++ int i; ++ int maxb = sideinfo.ch[0].gr[gr].maxb; ++ if(sideinfo.ch[1].gr[gr].maxb > maxb) ++ maxb = sideinfo.ch[1].gr[gr].maxb; ++ for(i=0;ilsf); ++ ++ if(ms_stereo || i_stereo || (single == 3) ) { ++ if(gr_info->maxb > sideinfo.ch[0].gr[gr].maxb) ++ sideinfo.ch[0].gr[gr].maxb = gr_info->maxb; ++ else ++ gr_info->maxb = sideinfo.ch[0].gr[gr].maxb; ++ } ++ ++ switch(single) { ++ case 3: ++ { ++ register int i; ++ register real *in0 = (real *) hybridIn[0],*in1 = (real *) hybridIn[1]; ++ for(i=0;imaxb;i++,in0++) ++ *in0 = (*in0 + *in1++); /* *0.5 done by pow-scale */ ++ } ++ break; ++ case 1: ++ { ++ register int i; ++ register real *in0 = (real *) hybridIn[0],*in1 = (real *) hybridIn[1]; ++ for(i=0;imaxb;i++) ++ *in0++ = *in1++; ++ } ++ break; ++ } ++ } ++ ++ for(ch=0;chsynth != opt_synth_1to1 || single >= 0) { ++#endif ++ for(ss=0;ss= 0) { ++ clip += (fr->synth_mono)(hybridOut[0][ss],pcm_sample,&pcm_point); ++ } ++ else { ++ int p1 = pcm_point; ++ clip += (fr->synth)(hybridOut[0][ss],0,pcm_sample,&p1); ++ clip += (fr->synth)(hybridOut[1][ss],1,pcm_sample,&pcm_point); ++ } ++ ++#ifdef VARMODESUPPORT ++ if (playlimit < 128) { ++ pcm_point -= playlimit >> 1; ++ playlimit = 0; ++ } ++ else ++ playlimit -= 128; ++#endif ++ if(pcm_point >= audiobufsize) audio_flush(outmode,ai); ++ } ++#ifdef OPT_I486 ++ } else { ++ /* Only stereo, 16 bits benefit from the 486 optimization. */ ++ ss=0; ++ while (ss < SSLIMIT) { ++ int n; ++ n=(audiobufsize - pcm_point) / (2*2*32); ++ if (n > (SSLIMIT-ss)) n=SSLIMIT-ss; ++ ++ synth_1to1_486(hybridOut[0][ss],0,pcm_sample+pcm_point,n); ++ synth_1to1_486(hybridOut[1][ss],1,pcm_sample+pcm_point,n); ++ ss+=n; ++ pcm_point+=(2*2*32)*n; ++ ++ if(pcm_point >= audiobufsize) audio_flush(outmode,ai); ++ } ++ } ++#endif ++ } ++ ++ return clip; ++} diff --git a/package/multimedia/mpg123/mpg123.mk b/package/multimedia/mpg123/mpg123.mk index b32681c40..7d34cdb2e 100644 --- a/package/multimedia/mpg123/mpg123.mk +++ b/package/multimedia/mpg123/mpg123.mk @@ -18,6 +18,10 @@ MPG123_USE_ALSA:=--with-audio=alsa MPG123_ALSA_DEP:=alsa-lib endif +ifeq ($(BR2_PACKAGE_MPG123_ARM_UNROLL_FIX),y) +MPG123_ARM_UNROLL_FIX:= -DMPG123_ARM_UNROLL_FIX +endif + $(DL_DIR)/$(MPG123_SOURCE): $(call DOWNLOAD,$(MPG123_SITE),$(MPG123_SOURCE)) @@ -31,7 +35,7 @@ $(MPG123_DIR)/.configured: $(MPG123_DIR)/.unpacked (cd $(MPG123_DIR); rm -rf config.cache; \ $(TARGET_CONFIGURE_ARGS) \ $(TARGET_CONFIGURE_OPTS) \ - CFLAGS="$(TARGET_CFLAGS)" \ + CFLAGS="$(TARGET_CFLAGS) $(MPG123_ARM_UNROLL_FIX)" \ LDFLAGS="$(TARGET_LDFLAGS)" \ ./configure \ --target=$(REAL_GNU_TARGET_NAME) \ @@ -55,6 +59,11 @@ $(TARGET_DIR)/$(MPG123_TARGET_BIN): $(MPG123_DIR)/$(MPG123_BIN) mpg123: uclibc $(MPG123_ALSA_DEP) $(TARGET_DIR)/$(MPG123_TARGET_BIN) +mpg123x: + touch $(MPG123_DIR)/.configured + +mpg123-unpacked: $(MPG123_DIR)/.unpacked + mpg123-clean: -$(MAKE) -C $(MPG123_DIR) clean -- cgit v1.2.3