diff options
Diffstat (limited to 'apps/codecs')
| -rw-r--r-- | apps/codecs/libfaad/SOURCES | 1 | ||||
| -rw-r--r-- | apps/codecs/libfaad/filtbank.c | 9 | ||||
| -rw-r--r-- | apps/codecs/libwma/SOURCES | 6 | ||||
| -rw-r--r-- | apps/codecs/libwma/asm_arm.h | 343 | ||||
| -rw-r--r-- | apps/codecs/libwma/asm_mcf5249.h | 327 | ||||
| -rw-r--r-- | apps/codecs/libwma/mdct2.c | 522 | ||||
| -rw-r--r-- | apps/codecs/libwma/mdct2.h | 85 | ||||
| -rw-r--r-- | apps/codecs/libwma/mdct_arm.S | 429 | ||||
| -rw-r--r-- | apps/codecs/libwma/mdct_lookup.h | 544 | ||||
| -rw-r--r-- | apps/codecs/libwma/misc.h | 291 | ||||
| -rw-r--r-- | apps/codecs/libwma/wmadeci.c | 35 | ||||
| -rw-r--r-- | apps/codecs/libwma/wmafixed.h | 64 | ||||
| -rw-r--r-- | apps/codecs/wma.c | 6 |
13 files changed, 2577 insertions, 85 deletions
diff --git a/apps/codecs/libfaad/SOURCES b/apps/codecs/libfaad/SOURCES index 4c7a34d..f97e14d 100644 --- a/apps/codecs/libfaad/SOURCES +++ b/apps/codecs/libfaad/SOURCES @@ -33,3 +33,4 @@ sbr_tf_grid.c specrec.c syntax.c tns.c +mdct2.c
\ No newline at end of file diff --git a/apps/codecs/libfaad/filtbank.c b/apps/codecs/libfaad/filtbank.c index 9b1bc85..724110e 100644 --- a/apps/codecs/libfaad/filtbank.c +++ b/apps/codecs/libfaad/filtbank.c @@ -1,19 +1,19 @@ /* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com -** +** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. -** +** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. -** +** ** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software +** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** Any non-GPL usage of this software or parts of this software is strictly @@ -42,6 +42,7 @@ #include "kbd_win.h" #include "sine_win.h" #include "mdct.h" +#include "mdct2.h" fb_info *filter_bank_init(uint16_t frame_len) diff --git a/apps/codecs/libwma/SOURCES b/apps/codecs/libwma/SOURCES index b9d4cc1..213e1da 100644 --- a/apps/codecs/libwma/SOURCES +++ b/apps/codecs/libwma/SOURCES @@ -1,5 +1,7 @@ wmadeci.c wmafixed.c bitstream.c -fft.c -mdct.c +mdct2.c +#ifdef CPU_ARM +mdct_arm.S +#endif
\ No newline at end of file diff --git a/apps/codecs/libwma/asm_arm.h b/apps/codecs/libwma/asm_arm.h new file mode 100644 index 0000000..e0ab3e7 --- /dev/null +++ b/apps/codecs/libwma/asm_arm.h @@ -0,0 +1,343 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: arm7 and later wide math functions + + ********************************************************************/ +#ifdef CPU_ARM + +#if !defined(_V_WIDE_MATH) && !defined(_LOW_ACCURACY_) +#define _V_WIDE_MATH + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + int lo,hi; + asm volatile("smull\t%0, %1, %2, %3" + : "=&r"(lo),"=&r"(hi) + : "%r"(x),"r"(y) + : "cc"); + return(hi); +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return MULT32(x,y)<<1; +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + int lo,hi; + asm volatile("smull %0, %1, %2, %3\n\t" + "movs %0, %0, lsr #15\n\t" + "adc %1, %0, %1, lsl #17\n\t" + : "=&r"(lo),"=&r"(hi) + : "%r"(x),"r"(y) + : "cc"); + return(hi); +} + +#define MB() asm volatile ("" : : : "memory") + +#define XPROD32(a, b, t, v, x, y) \ +{ \ + long l; \ + asm( "smull %0, %1, %4, %6\n\t" \ + "smlal %0, %1, %5, %7\n\t" \ + "rsb %3, %4, #0\n\t" \ + "smull %0, %2, %5, %6\n\t" \ + "smlal %0, %2, %3, %7" \ + : "=&r" (l), "=&r" (x), "=&r" (y), "=r" ((a)) \ + : "3" ((a)), "r" ((b)), "r" ((t)), "r" ((v)) \ + : "cc" ); \ +} + +static inline void XPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + int x1, y1, l; + asm( "smull %0, %1, %4, %6\n\t" + "smlal %0, %1, %5, %7\n\t" + "rsb %3, %4, #0\n\t" + "smull %0, %2, %5, %6\n\t" + "smlal %0, %2, %3, %7" + : "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a) + : "3" (a), "r" (b), "r" (t), "r" (v) + : "cc" ); + *x = x1 << 1; + MB(); + *y = y1 << 1; +} + +static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + int x1, y1, l; + asm( "rsb %2, %4, #0\n\t" + "smull %0, %1, %3, %5\n\t" + "smlal %0, %1, %2, %6\n\t" + "smull %0, %2, %4, %5\n\t" + "smlal %0, %2, %3, %6" + : "=&r" (l), "=&r" (x1), "=&r" (y1) + : "r" (a), "r" (b), "r" (t), "r" (v) + : "cc" ); + *x = x1 << 1; + MB(); + *y = y1 << 1; +} + +#ifndef _V_VECT_OPS +#define _V_VECT_OPS + +/* asm versions of vector operations for block.c, window.c */ +static inline +void vect_add(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + while (n>=4) { + asm volatile ("ldmia %[x], {r0, r1, r2, r3};" + "ldmia %[y]!, {r4, r5, r6, r7};" + "add r0, r0, r4;" + "add r1, r1, r5;" + "add r2, r2, r6;" + "add r3, r3, r7;" + "stmia %[x]!, {r0, r1, r2, r3};" + : [x] "+r" (x), [y] "+r" (y) + : : "r0", "r1", "r2", "r3", + "r4", "r5", "r6", "r7", + "memory"); + n -= 4; + } + /* add final elements */ + while (n>0) { + *x++ += *y++; + n--; + } +} + +static inline +void vect_copy(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + while (n>=4) { + asm volatile ("ldmia %[y]!, {r0, r1, r2, r3};" + "stmia %[x]!, {r0, r1, r2, r3};" + : [x] "+r" (x), [y] "+r" (y) + : : "r0", "r1", "r2", "r3", + "memory"); + n -= 4; + } + /* copy final elements */ + while (n>0) { + *x++ = *y++; + n--; + } +} + +static inline +void vect_mult_fw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + while (n>=4) { + asm volatile ("ldmia %[d], {r0, r1, r2, r3};" + "ldmia %[w]!, {r4, r5, r6, r7};" + "smull r8, r9, r0, r4;" + "mov r0, r9, lsl #1;" + "smull r8, r9, r1, r5;" + "mov r1, r9, lsl #1;" + "smull r8, r9, r2, r6;" + "mov r2, r9, lsl #1;" + "smull r8, r9, r3, r7;" + "mov r3, r9, lsl #1;" + "stmia %[d]!, {r0, r1, r2, r3};" + : [d] "+r" (data), [w] "+r" (window) + : : "r0", "r1", "r2", "r3", + "r4", "r5", "r6", "r7", "r8", "r9", + "memory", "cc"); + n -= 4; + } + while(n>0) { + *data = MULT31(*data, *window); + data++; + window++; + n--; + } +} + +static inline +void vect_mult_bw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + while (n>=4) { + asm volatile ("ldmia %[d], {r0, r1, r2, r3};" + "ldmda %[w]!, {r4, r5, r6, r7};" + "smull r8, r9, r0, r7;" + "mov r0, r9, lsl #1;" + "smull r8, r9, r1, r6;" + "mov r1, r9, lsl #1;" + "smull r8, r9, r2, r5;" + "mov r2, r9, lsl #1;" + "smull r8, r9, r3, r4;" + "mov r3, r9, lsl #1;" + "stmia %[d]!, {r0, r1, r2, r3};" + : [d] "+r" (data), [w] "+r" (window) + : : "r0", "r1", "r2", "r3", + "r4", "r5", "r6", "r7", "r8", "r9", + "memory", "cc"); + n -= 4; + } + while(n>0) { + *data = MULT31(*data, *window); + data++; + window--; + n--; + } +} + +#endif + +#endif + +#ifndef _V_CLIP_MATH +#define _V_CLIP_MATH + +static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) { + int tmp; + asm volatile("subs %1, %0, #32768\n\t" + "movpl %0, #0x7f00\n\t" + "orrpl %0, %0, #0xff\n" + "adds %1, %0, #32768\n\t" + "movmi %0, #0x8000" + : "+r"(x),"=r"(tmp) + : + : "cc"); + return(x); +} + +#endif + +#ifndef _V_LSP_MATH_ASM +#define _V_LSP_MATH_ASM + +static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip, + ogg_int32_t *qexpp, + ogg_int32_t *ilsp,ogg_int32_t wi, + ogg_int32_t m){ + + ogg_uint32_t qi=*qip,pi=*pip; + ogg_int32_t qexp=*qexpp; + + asm("mov r0,%3;" + "mov r1,%5,asr#1;" + "add r0,r0,r1,lsl#3;" + "1:" + + "ldmdb r0!,{r1,r3};" + "subs r1,r1,%4;" //ilsp[j]-wi + "rsbmi r1,r1,#0;" //labs(ilsp[j]-wi) + "umull %0,r2,r1,%0;" //qi*=labs(ilsp[j]-wi) + + "subs r1,r3,%4;" //ilsp[j+1]-wi + "rsbmi r1,r1,#0;" //labs(ilsp[j+1]-wi) + "umull %1,r3,r1,%1;" //pi*=labs(ilsp[j+1]-wi) + + "cmn r2,r3;" // shift down 16? + "beq 0f;" + "add %2,%2,#16;" + "mov %0,%0,lsr #16;" + "orr %0,%0,r2,lsl #16;" + "mov %1,%1,lsr #16;" + "orr %1,%1,r3,lsl #16;" + "0:" + "cmp r0,%3;\n" + "bhi 1b;\n" + + // odd filter assymetry + "ands r0,%5,#1;\n" + "beq 2f;\n" + "add r0,%3,%5,lsl#2;\n" + + "ldr r1,[r0,#-4];\n" + "mov r0,#0x4000;\n" + + "subs r1,r1,%4;\n" //ilsp[j]-wi + "rsbmi r1,r1,#0;\n" //labs(ilsp[j]-wi) + "umull %0,r2,r1,%0;\n" //qi*=labs(ilsp[j]-wi) + "umull %1,r3,r0,%1;\n" //pi*=labs(ilsp[j+1]-wi) + + "cmn r2,r3;\n" // shift down 16? + "beq 2f;\n" + "add %2,%2,#16;\n" + "mov %0,%0,lsr #16;\n" + "orr %0,%0,r2,lsl #16;\n" + "mov %1,%1,lsr #16;\n" + "orr %1,%1,r3,lsl #16;\n" + + //qi=(pi>>shift)*labs(ilsp[j]-wi); + //pi=(qi>>shift)*labs(ilsp[j+1]-wi); + //qexp+=shift; + + //} + + /* normalize to max 16 sig figs */ + "2:" + "mov r2,#0;" + "orr r1,%0,%1;" + "tst r1,#0xff000000;" + "addne r2,r2,#8;" + "movne r1,r1,lsr #8;" + "tst r1,#0x00f00000;" + "addne r2,r2,#4;" + "movne r1,r1,lsr #4;" + "tst r1,#0x000c0000;" + "addne r2,r2,#2;" + "movne r1,r1,lsr #2;" + "tst r1,#0x00020000;" + "addne r2,r2,#1;" + "movne r1,r1,lsr #1;" + "tst r1,#0x00010000;" + "addne r2,r2,#1;" + "mov %0,%0,lsr r2;" + "mov %1,%1,lsr r2;" + "add %2,%2,r2;" + + : "+r"(qi),"+r"(pi),"+r"(qexp) + : "r"(ilsp),"r"(wi),"r"(m) + : "r0","r1","r2","r3","cc"); + + *qip=qi; + *pip=pi; + *qexpp=qexp; +} + +static inline void lsp_norm_asm(ogg_uint32_t *qip,ogg_int32_t *qexpp){ + + ogg_uint32_t qi=*qip; + ogg_int32_t qexp=*qexpp; + + asm("tst %0,#0x0000ff00;" + "moveq %0,%0,lsl #8;" + "subeq %1,%1,#8;" + "tst %0,#0x0000f000;" + "moveq %0,%0,lsl #4;" + "subeq %1,%1,#4;" + "tst %0,#0x0000c000;" + "moveq %0,%0,lsl #2;" + "subeq %1,%1,#2;" + "tst %0,#0x00008000;" + "moveq %0,%0,lsl #1;" + "subeq %1,%1,#1;" + : "+r"(qi),"+r"(qexp) + : + : "cc"); + *qip=qi; + *qexpp=qexp; +} + +#endif +#endif + diff --git a/apps/codecs/libwma/asm_mcf5249.h b/apps/codecs/libwma/asm_mcf5249.h new file mode 100644 index 0000000..6b5c600 --- /dev/null +++ b/apps/codecs/libwma/asm_mcf5249.h @@ -0,0 +1,327 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * + * Copyright (C) 2005 by Pedro Vasconcelos + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +/* asm routines for wide math on the MCF5249 */ + +//#include "os_types.h" + +#if defined(CPU_COLDFIRE) + +/* attribute for 16-byte alignment */ +#define LINE_ATTR __attribute__ ((aligned (16))) + +#ifndef _V_WIDE_MATH +#define _V_WIDE_MATH + +#define MB() + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + + asm volatile ("mac.l %[x], %[y], %%acc0;" /* multiply & shift */ + "movclr.l %%acc0, %[x];" /* move & clear acc */ + "asr.l #1, %[x];" /* no overflow test */ + : [x] "+&d" (x) + : [y] "r" (y) + : "cc"); + return x; +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + + asm volatile ("mac.l %[x], %[y], %%acc0;" /* multiply */ + "movclr.l %%acc0, %[x];" /* move and clear */ + : [x] "+&r" (x) + : [y] "r" (y) + : "cc"); + return x; +} + + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + ogg_int32_t r; + + asm volatile ("mac.l %[x], %[y], %%acc0;" /* multiply */ + "mulu.l %[y], %[x];" /* get lower half, avoid emac stall */ + "movclr.l %%acc0, %[r];" /* get higher half */ + "asl.l #8, %[r];" /* hi<<16, plus one free */ + "asl.l #8, %[r];" + "lsr.l #8, %[x];" /* (unsigned)lo >> 15 */ + "lsr.l #7, %[x];" + "or.l %[x], %[r];" /* logical-or results */ + : [r] "=&d" (r), [x] "+d" (x) + : [y] "d" (y) + : "cc"); + return r; +} + + +static inline +void XPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + asm volatile ("mac.l %[a], %[t], %%acc0;" + "mac.l %[b], %[v], %%acc0;" + "mac.l %[b], %[t], %%acc1;" + "msac.l %[a], %[v], %%acc1;" + "movclr.l %%acc0, %[a];" + "move.l %[a], (%[x]);" + "movclr.l %%acc1, %[a];" + "move.l %[a], (%[y]);" + : [a] "+&r" (a) + : [x] "a" (x), [y] "a" (y), + [b] "r" (b), [t] "r" (t), [v] "r" (v) + : "cc", "memory"); +} + + +static inline +void XNPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + asm volatile ("mac.l %[a], %[t], %%acc0;" + "msac.l %[b], %[v], %%acc0;" + "mac.l %[b], %[t], %%acc1;" + "mac.l %[a], %[v], %%acc1;" + "movclr.l %%acc0, %[a];" + "move.l %[a], (%[x]);" + "movclr.l %%acc1, %[a];" + "move.l %[a], (%[y]);" + : [a] "+&r" (a) + : [x] "a" (x), [y] "a" (y), + [b] "r" (b), [t] "r" (t), [v] "r" (v) + : "cc", "memory"); +} + + +#if 0 /* canonical Tremor definition */ +#define XPROD32(_a, _b, _t, _v, _x, _y) \ + { (_x)=MULT32(_a,_t)+MULT32(_b,_v); \ + (_y)=MULT32(_b,_t)-MULT32(_a,_v); } +#endif + +/* this could lose the LSB by overflow, but i don't think it'll ever happen. + if anyone think they can hear a bug caused by this, please try the above + version. */ +#define XPROD32(_a, _b, _t, _v, _x, _y) \ + asm volatile ("mac.l %[a], %[t], %%acc0;" \ + "mac.l %[b], %[v], %%acc0;" \ + "mac.l %[b], %[t], %%acc1;" \ + "msac.l %[a], %[v], %%acc1;" \ + "movclr.l %%acc0, %[x];" \ + "asr.l #1, %[x];" \ + "movclr.l %%acc1, %[y];" \ + "asr.l #1, %[y];" \ + : [x] "=&d" (_x), [y] "=&d" (_y) \ + : [a] "r" (_a), [b] "r" (_b), \ + [t] "r" (_t), [v] "r" (_v) \ + : "cc"); + +#ifndef _V_VECT_OPS +#define _V_VECT_OPS + +/* asm versions of vector operations for block.c, window.c */ +/* assumes MAC is initialized & accumulators cleared */ +static inline +void vect_add(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + /* align to 16 bytes */ + while(n>0 && (int)x&16) { + *x++ += *y++; + n--; + } + asm volatile ("bra 1f;" + "0:" /* loop start */ + "movem.l (%[x]), %%d0-%%d3;" /* fetch values */ + "movem.l (%[y]), %%a0-%%a3;" + /* add */ + "add.l %%a0, %%d0;" + "add.l %%a1, %%d1;" + "add.l %%a2, %%d2;" + "add.l %%a3, %%d3;" + /* store and advance */ + "movem.l %%d0-%%d3, (%[x]);" + "lea.l (4*4, %[x]), %[x];" + "lea.l (4*4, %[y]), %[y];" + "subq.l #4, %[n];" /* done 4 elements */ + "1: cmpi.l #4, %[n];" + "bge 0b;" + : [n] "+d" (n), [x] "+a" (x), [y] "+a" (y) + : : "%d0", "%d1", "%d2", "%d3", "%a0", "%a1", "%a2", "%a3", + "cc", "memory"); + /* add final elements */ + while (n>0) { + *x++ += *y++; + n--; + } +} + +static inline +void vect_copy(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + /* align to 16 bytes */ + while(n>0 && (int)x&16) { + *x++ = *y++; + n--; + } + asm volatile ("bra 1f;" + "0:" /* loop start */ + "movem.l (%[y]), %%d0-%%d3;" /* fetch values */ + "movem.l %%d0-%%d3, (%[x]);" /* store */ + "lea.l (4*4, %[x]), %[x];" /* advance */ + "lea.l (4*4, %[y]), %[y];" + "subq.l #4, %[n];" /* done 4 elements */ + "1: cmpi.l #4, %[n];" + "bge 0b;" + : [n] "+d" (n), [x] "+a" (x), [y] "+a" (y) + : : "%d0", "%d1", "%d2", "%d3", "cc", "memory"); + /* copy final elements */ + while (n>0) { + *x++ = *y++; + n--; + } +} + + +static inline +void vect_mult_fw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + /* ensure data is aligned to 16-bytes */ + while(n>0 && (int)data%16) { + *data = MULT31(*data, *window); + data++; + window++; + n--; + } + asm volatile ("movem.l (%[d]), %%d0-%%d3;" /* loop start */ + "movem.l (%[w]), %%a0-%%a3;" /* pre-fetch registers */ + "lea.l (4*4, %[w]), %[w];" + "bra 1f;" /* jump to loop condition */ + "0:" /* loop body */ + /* multiply and load next window values */ + "mac.l %%d0, %%a0, (%[w])+, %%a0, %%acc0;" + "mac.l %%d1, %%a1, (%[w])+, %%a1, %%acc1;" + "mac.l %%d2, %%a2, (%[w])+, %%a2, %%acc2;" + "mac.l %%d3, %%a3, (%[w])+, %%a3, %%acc3;" + "movclr.l %%acc0, %%d0;" /* get the products */ + "movclr.l %%acc1, %%d1;" + "movclr.l %%acc2, %%d2;" + "movclr.l %%acc3, %%d3;" + /* store and advance */ + "movem.l %%d0-%%d3, (%[d]);" + "lea.l (4*4, %[d]), %[d];" + "movem.l (%[d]), %%d0-%%d3;" + "subq.l #4, %[n];" /* done 4 elements */ + "1: cmpi.l #4, %[n];" + "bge 0b;" + /* multiply final elements */ + "tst.l %[n];" + "beq 1f;" /* n=0 */ + "mac.l %%d0, %%a0, %%acc0;" + "movclr.l %%acc0, %%d0;" + "move.l %%d0, (%[d])+;" + "subq.l #1, %[n];" + "beq 1f;" /* n=1 */ + "mac.l %%d1, %%a1, %%acc0;" + "movclr.l %%acc0, %%d1;" + "move.l %%d1, (%[d])+;" + "subq.l #1, %[n];" + "beq 1f;" /* n=2 */ + /* otherwise n = 3 */ + "mac.l %%d2, %%a2, %%acc0;" + "movclr.l %%acc0, %%d2;" + "move.l %%d2, (%[d])+;" + "1:" + : [n] "+d" (n), [d] "+a" (data), [w] "+a" (window) + : : "%d0", "%d1", "%d2", "%d3", "%a0", "%a1", "%a2", "%a3", + "cc", "memory"); +} + +static inline +void vect_mult_bw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + /* ensure at least data is aligned to 16-bytes */ + while(n>0 && (int)data%16) { + *data = MULT31(*data, *window); + data++; + window--; + n--; + } + asm volatile ("lea.l (-3*4, %[w]), %[w];" /* loop start */ + "movem.l (%[d]), %%d0-%%d3;" /* pre-fetch registers */ + "movem.l (%[w]), %%a0-%%a3;" + "bra 1f;" /* jump to loop condition */ + "0:" /* loop body */ + /* multiply and load next window value */ + "mac.l %%d0, %%a3, -(%[w]), %%a3, %%acc0;" + "mac.l %%d1, %%a2, -(%[w]), %%a2, %%acc1;" + "mac.l %%d2, %%a1, -(%[w]), %%a1, %%acc2;" + "mac.l %%d3, %%a0, -(%[w]), %%a0, %%acc3;" + "movclr.l %%acc0, %%d0;" /* get the products */ + "movclr.l %%acc1, %%d1;" + "movclr.l %%acc2, %%d2;" + "movclr.l %%acc3, %%d3;" + /* store and advance */ + "movem.l %%d0-%%d3, (%[d]);" + "lea.l (4*4, %[d]), %[d];" + "movem.l (%[d]), %%d0-%%d3;" + "subq.l #4, %[n];" /* done 4 elements */ + "1: cmpi.l #4, %[n];" + "bge 0b;" + /* multiply final elements */ + "tst.l %[n];" + "beq 1f;" /* n=0 */ + "mac.l %%d0, %%a3, %%acc0;" + "movclr.l %%acc0, %%d0;" + "move.l %%d0, (%[d])+;" + "subq.l #1, %[n];" + "beq 1f;" /* n=1 */ + "mac.l %%d1, %%a2, %%acc0;" + "movclr.l %%acc0, %%d1;" + "move.l %%d1, (%[d])+;" + "subq.l #1, %[n];" + "beq 1f;" /* n=2 */ + /* otherwise n = 3 */ + "mac.l %%d2, %%a1, %%acc0;" + "movclr.l %%acc0, %%d2;" + "move.l %%d2, (%[d])+;" + "1:" + : [n] "+d" (n), [d] "+a" (data), [w] "+a" (window) + : : "%d0", "%d1", "%d2", "%d3", "%a0", "%a1", "%a2", "%a3", + "cc", "memory"); +} + +#endif + +#endif + +#ifndef _V_CLIP_MATH +#define _V_CLIP_MATH + +/* this is portable C and simple; why not use this as default? */ +static inline ogg_int32_t CLIP_TO_15(register ogg_int32_t x) { + register ogg_int32_t hi=32767, lo=-32768; + return (x>=hi ? hi : (x<=lo ? lo : x)); +} + +#endif +#else +#define LINE_ATTR +#endif diff --git a/apps/codecs/libwma/mdct2.c b/apps/codecs/libwma/mdct2.c new file mode 100644 index 0000000..c492403 --- /dev/null +++ b/apps/codecs/libwma/mdct2.c @@ -0,0 +1,522 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: normalized modified discrete cosine transform + power of two length transform only [64 <= n ] + + + Original algorithm adapted long ago from _The use of multirate filter + banks for coding of high quality digital audio_, by T. Sporer, + K. Brandenburg and B. Edler, collection of the European Signal + Processing Conference (EUSIPCO), Amsterdam, June 1992, Vol.1, pp + 211-214 + + The below code implements an algorithm that no longer looks much like + that presented in the paper, but the basic structure remains if you + dig deep enough to see it. + + This module DOES NOT INCLUDE code to generate/apply the window + function. Everybody has their own weird favorite including me... I + happen to like the properties of y=sin(.5PI*sin^2(x)), but others may + vehemently disagree. + + ********************************************************************/ + +/*Tremor IMDCT adapted for use with libwmai*/ + + +#include "mdct2.h" +#include "mdct_lookup.h" +#include <codecs/lib/codeclib.h> + +#if defined(CPU_ARM) && CONFIG_CPU != S3C2440 +/* C code is faster on S3C2440 */ + +extern void mdct_butterfly_32(ogg_int32_t *x); +extern void mdct_butterfly_generic_loop(ogg_int32_t *x1, ogg_int32_t *x2, + LOOKUP_T *T0, int step, + LOOKUP_T *Ttop); + +static inline void mdct_butterfly_generic(ogg_int32_t *x,int points, int step){ + mdct_butterfly_generic_loop(x + points, x + (points>>1), + sincos_lookup0, step, sincos_lookup0+1024); +} + +#else + +/* 8 point butterfly (in place) */ +static inline void mdct_butterfly_8(ogg_int32_t *x){ + register ogg_int32_t r0 = x[4] + x[0]; + register ogg_int32_t r1 = x[4] - x[0]; + register ogg_int32_t r2 = x[5] + x[1]; + register ogg_int32_t r3 = x[5] - x[1]; + register ogg_int32_t r4 = x[6] + x[2]; + register ogg_int32_t r5 = x[6] - x[2]; + register ogg_int32_t r6 = x[7] + x[3]; + register ogg_int32_t r7 = x[7] - x[3]; + + x[0] = r5 + r3; + x[1] = r7 - r1; + x[2] = r5 - r3; + x[3] = r7 + r1; + x[4] = r4 - r0; + x[5] = r6 - r2; + x[6] = r4 + r0; + x[7] = r6 + r2; + MB(); +} + +/* 16 point butterfly (in place, 4 register) */ +static inline void mdct_butterfly_16(ogg_int32_t *x){ + + register ogg_int32_t r0, r1; + + r0 = x[ 0] - x[ 8]; x[ 8] += x[ 0]; + r1 = x[ 1] - x[ 9]; x[ 9] += x[ 1]; + x[ 0] = MULT31((r0 + r1) , cPI2_8); + x[ 1] = MULT31((r1 - r0) , cPI2_8); + MB(); + + r0 = x[10] - x[ 2]; x[10] += x[ 2]; + r1 = x[ 3] - x[11]; x[11] += x[ 3]; + x[ 2] = r1; x[ 3] = r0; + MB(); + + r0 = x[12] - x[ 4]; x[12] += x[ 4]; + r1 = x[13] - x[ 5]; x[13] += x[ 5]; + x[ 4] = MULT31((r0 - r1) , cPI2_8); + x[ 5] = MULT31((r0 + r1) , cPI2_8); + MB(); + + r0 = x[14] - x[ 6]; x[14] += x[ 6]; + r1 = x[15] - x[ 7]; x[15] += x[ 7]; + x[ 6] = r0; x[ 7] = r1; + MB(); + + mdct_butterfly_8(x); + mdct_butterfly_8(x+8); +} + +/* 32 point butterfly (in place, 4 register) */ +static inline void mdct_butterfly_32(ogg_int32_t *x){ + + register ogg_int32_t r0, r1; + + r0 = x[30] - x[14]; x[30] += x[14]; + r1 = x[31] - x[15]; x[31] += x[15]; + x[14] = r0; x[15] = r1; + MB(); + + r0 = x[28] - x[12]; x[28] += x[12]; + r1 = x[29] - x[13]; x[29] += x[13]; + XNPROD31( r0, r1, cPI1_8, cPI3_8, &x[12], &x[13] ); + MB(); + + r0 = x[26] - x[10]; x[26] += x[10]; + r1 = x[27] - x[11]; x[27] += x[11]; + x[10] = MULT31((r0 - r1) , cPI2_8); + x[11] = MULT31((r0 + r1) , cPI2_8); + MB(); + + r0 = x[24] - x[ 8]; x[24] += x[ 8]; + r1 = x[25] - x[ 9]; x[25] += x[ 9]; + XNPROD31( r0, r1, cPI3_8, cPI1_8, &x[ 8], &x[ 9] ); + MB(); + + r0 = x[22] - x[ 6]; x[22] += x[ 6]; + r1 = x[ 7] - x[23]; x[23] += x[ 7]; + x[ 6] = r1; x[ 7] = r0; + MB(); + + r0 = x[ 4] - x[20]; x[20] += x[ 4]; + r1 = x[ 5] - x[21]; x[21] += x[ 5]; + XPROD31 ( r0, r1, cPI3_8, cPI1_8, &x[ 4], &x[ 5] ); + MB(); + + r0 = x[ 2] - x[18]; x[18] += x[ 2]; + r1 = x[ 3] - x[19]; x[19] += x[ 3]; + x[ 2] = MULT31((r1 + r0) , cPI2_8); + x[ 3] = MULT31((r1 - r0) , cPI2_8); + MB(); + + r0 = x[ 0] - x[16]; x[16] += x[ 0]; + r1 = x[ 1] - x[17]; x[17] += x[ 1]; + XPROD31 ( r0, r1, cPI1_8, cPI3_8, &x[ 0], &x[ 1] ); + MB(); + + mdct_butterfly_16(x); + mdct_butterfly_16(x+16); +} + +/* N/stage point generic N stage butterfly (in place, 4 register) */ +void mdct_butterfly_generic(ogg_int32_t *x,int points, int step) + ICODE_ATTR_TREMOR_MDCT; +void mdct_butterfly_generic(ogg_int32_t *x,int points, int step){ + LOOKUP_T *T = sincos_lookup0; + ogg_int32_t *x1 = x + points - 8; + ogg_int32_t *x2 = x + (points>>1) - 8; + register ogg_int32_t r0; + register ogg_int32_t r1; + register ogg_int32_t r2; + register ogg_int32_t r3; + + do{ + r0 = x1[6] - x2[6]; x1[6] += x2[6]; + r1 = x2[7] - x1[7]; x1[7] += x2[7]; + r2 = x1[4] - x2[4]; x1[4] += x2[4]; + r3 = x2[5] - x1[5]; x1[5] += x2[5]; + XPROD31( r1, r0, T[0], T[1], &x2[6], &x2[7] ); T+=step; + XPROD31( r3, r2, T[0], T[1], &x2[4], &x2[5] ); T+=step; + + r0 = x1[2] - x2[2]; x1[2] += x2[2]; + r1 = x2[3] - x1[3]; x1[3] += x2[3]; + r2 = x1[0] - x2[0]; x1[0] += x2[0]; + r3 = x2[1] - x1[1]; x1[1] += x2[1]; + XPROD31( r1, r0, T[0], T[1], &x2[2], &x2[3] ); T+=step; + XPROD31( r3, r2, T[0], T[1], &x2[0], &x2[1] ); T+=step; + + x1-=8; x2-=8; + }while(T<sincos_lookup0+1024); + do{ + r0 = x1[6] - x2[6]; x1[6] += x2[6]; + r1 = x1[7] - x2[7]; x1[7] += x2[7]; + r2 = x1[4] - x2[4]; x1[4] += x2[4]; + r3 = x1[5] - x2[5]; x1[5] += x2[5]; + XNPROD31( r0, r1, T[0], T[1], &x2[6], &x2[7] ); T-=step; + XNPROD31( r2, r3, T[0], T[1], &x2[4], &x2[5] ); T-=step; + + r0 = x1[2] - x2[2]; x1[2] += x2[2]; + r1 = x1[3] - x2[3]; x1[3] += x2[3]; + r2 = x1[0] - x2[0]; x1[0] += x2[0]; + r3 = x1[1] - x2[1]; x1[1] += x2[1]; + XNPROD31( r0, r1, T[0], T[1], &x2[2], &x2[3] ); T-=step; + XNPROD31( r2, r3, T[0], T[1], &x2[0], &x2[1] ); T-=step; + + x1-=8; x2-=8; + }while(T>sincos_lookup0); + do{ + r0 = x2[6] - x1[6]; x1[6] += x2[6]; + r1 = x2[7] - x1[7]; x1[7] += x2[7]; + r2 = x2[4] - x1[4]; x1[4] += x2[4]; + r3 = x2[5] - x1[5]; x1[5] += x2[5]; + XPROD31( r0, r1, T[0], T[1], &x2[6], &x2[7] ); T+=step; + XPROD31( r2, r3, T[0], T[1], &x2[4], &x2[5] ); T+=step; + + r0 = x2[2] - x1[2]; x1[2] += x2[2]; + r1 = x2[3] - x1[3]; x1[3] += x2[3]; + r2 = x2[0] - x1[0]; x1[0] += x2[0]; + r3 = x2[1] - x1[1]; x1[1] += x2[1]; + XPROD31( r0, r1, T[0], T[1], &x2[2], &x2[3] ); T+=step; + XPROD31( r2, r3, T[0], T[1], &x2[0], &x2[1] ); T+=step; + + x1-=8; x2-=8; + }while(T<sincos_lookup0+1024); + do{ + r0 = x1[6] - x2[6]; x1[6] += x2[6]; + r1 = x2[7] - x1[7]; x1[7] += x2[7]; + r2 = x1[4] - x2[4]; x1[4] += x2[4]; + r3 = x2[5] - x1[5]; x1[5] += x2[5]; + XNPROD31( r1, r0, T[0], T[1], &x2[6], &x2[7] ); T-=step; + XNPROD31( r3, r2, T[0], T[1], &x2[4], &x2[5] ); T-=step; + + r0 = x1[2] - x2[2]; x1[2] += x2[2]; + r1 = x2[3] - x1[3]; x1[3] += x2[3]; + r2 = x1[0] - x2[0]; x1[0] += x2[0]; + r3 = x2[1] - x1[1]; x1[1] += x2[1]; + XNPROD31( r1, r0, T[0], T[1], &x2[2], &x2[3] ); T-=step; + XNPROD31( r3, r2, T[0], T[1], &x2[0], &x2[1] ); T-=step; + + x1-=8; x2-=8; + }while(T>sincos_lookup0); +} + +#endif /* CPU_ARM */ + +static inline void mdct_butterflies(ogg_int32_t *x,int points,int shift) { + + int stages=8-shift; + int i,j; + + for(i=0;--stages>0;i++){ + for(j=0;j<(1<<i);j++) + mdct_butterfly_generic(x+(points>>i)*j,points>>i,4<<(i+shift)); + } + + for(j=0;j<points;j+=32) + mdct_butterfly_32(x+j); +} + + +static const unsigned char bitrev[16] ICONST_ATTR = + {0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15}; + +static inline int bitrev12(int x){ + return bitrev[x>>8]|(bitrev[(x&0x0f0)>>4]<<4)|(((int)bitrev[x&0x00f])<<8); +} + +static inline void mdct_bitreverse(ogg_int32_t *x,int n,int step,int shift) { + + int bit = 0; + ogg_int32_t *w0 = x; + ogg_int32_t *w1 = x = w0+(n>>1); + LOOKUP_T *T = (step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1; + LOOKUP_T *Ttop = T+1024; + register ogg_int32_t r2; + + do{ + register ogg_int32_t r3 = bitrev12(bit++); + ogg_int32_t *x0 = x + ((r3 ^ 0xfff)>>shift) -1; + ogg_int32_t *x1 = x + (r3>>shift); + + register ogg_int32_t r0 = x0[0] + x1[0]; + register ogg_int32_t r1 = x1[1] - x0[1]; + + XPROD32( r0, r1, T[1], T[0], r2, r3 ); T+=step; + + w1 -= 4; + + r0 = (x0[1] + x1[1])>>1; + r1 = (x0[0] - x1[0])>>1; + w0[0] = r0 + r2; + w0[1] = r1 + r3; + w1[2] = r0 - r2; + w1[3] = r3 - r1; + + r3 = bitrev12(bit++); + x0 = x + ((r3 ^ 0xfff)>>shift) -1; + x1 = x + (r3>>shift); + + r0 = x0[0] + x1[0]; + r1 = x1[1] - x0[1]; + + XPROD32( r0, r1, T[1], T[0], r2, r3 ); T+=step; + + r0 = (x0[1] + x1[1])>>1; + r1 = (x0[0] - x1[0])>>1; + w0[2] = r0 + r2; + w0[3] = r1 + r3; + w1[0] = r0 - r2; + w1[1] = r3 - r1; + + w0 += 4; + }while(T<Ttop); + do{ + register ogg_int32_t r3 = bitrev12(bit++); + ogg_int32_t *x0 = x + ((r3 ^ 0xfff)>>shift) -1; + ogg_int32_t *x1 = x + (r3>>shift); + + register ogg_int32_t r0 = x0[0] + x1[0]; + register ogg_int32_t r1 = x1[1] - x0[1]; + + T-=step; XPROD32( r0, r1, T[0], T[1], r2, r3 ); + + w1 -= 4; + + r0 = (x0[1] + x1[1])>>1; + r1 = (x0[0] - x1[0])>>1; + w0[0] = r0 + r2; + w0[1] = r1 + r3; + w1[2] = r0 - r2; + w1[3] = r3 - r1; + + r3 = bitrev12(bit++); + x0 = x + ((r3 ^ 0xfff)>>shift) -1; + x1 = x + (r3>>shift); + + r0 = x0[0] + x1[0]; + r1 = x1[1] - x0[1]; + + T-=step; XPROD32( r0, r1, T[0], T[1], r2, r3 ); + + r0 = (x0[1] + x1[1])>>1; + r1 = (x0[0] - x1[0])>>1; + w0[2] = r0 + r2; + w0[3] = r1 + r3; + w1[0] = r0 - r2; + w1[1] = r3 - r1; + + w0 += 4; + }while(w0<w1); +} + + +void mdct_backward(int n, ogg_int32_t *in, ogg_int32_t *out) + ICODE_ATTR_TREMOR_MDCT; +void mdct_backward(int n, ogg_int32_t *in, ogg_int32_t *out) { + int n2=n>>1; + int n4=n>>2; + ogg_int32_t *iX; + ogg_int32_t *oX; + LOOKUP_T *T; + LOOKUP_T *V; + int shift; + int step; + for (shift=6;!(n&(1<<shift));shift++); + shift=13-shift; + step=2<<shift; + + /* rotate */ + + iX = in+n2-7; + oX = out+n2+n4; + T = sincos_lookup0; + + do{ + oX-=4; + XPROD31( iX[4], iX[6], T[0], T[1], &oX[2], &oX[3] ); T+=step; + XPROD31( iX[0], iX[2], T[0], T[1], &oX[0], &oX[1] ); T+=step; + iX-=8; + }while(iX>=in+n4); + do{ + oX-=4; + XPROD31( iX[4], iX[6], T[1], T[0], &oX[2], &oX[3] ); T-=step; + XPROD31( iX[0], iX[2], T[1], T[0], &oX[0], &oX[1] ); T-=step; + iX-=8; + }while(iX>=in); + + iX = in+n2-8; + oX = out+n2+n4; + T = sincos_lookup0; + + do{ + T+=step; XNPROD31( iX[6], iX[4], T[0], T[1], &oX[0], &oX[1] ); + T+=step; XNPROD31( iX[2], iX[0], T[0], T[1], &oX[2], &oX[3] ); + iX-=8; + oX+=4; + }while(iX>=in+n4); + do{ + T-=step; XNPROD31( iX[6], iX[4], T[1], T[0], &oX[0], &oX[1] ); + T-=step; XNPROD31( iX[2], iX[0], T[1], T[0], &oX[2], &oX[3] ); + iX-=8; + oX+=4; + }while(iX>=in); + + mdct_butterflies(out+n2,n2,shift); + mdct_bitreverse(out,n,step,shift); + /* rotate + window */ + + step>>=2; + { + ogg_int32_t *oX1=out+n2+n4; + ogg_int32_t *oX2=out+n2+n4; + ogg_int32_t *iX =out; + + switch(step) { + default: { + T=(step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1; + do{ + oX1-=4; + XPROD31( iX[0], -iX[1], T[0], T[1], &oX1[3], &oX2[0] ); T+=step; + XPROD31( iX[2], -iX[3], T[0], T[1], &oX1[2], &oX2[1] ); T+=step; + XPROD31( iX[4], -iX[5], T[0], T[1], &oX1[1], &oX2[2] ); T+=step; + XPROD31( iX[6], -iX[7], T[0], T[1], &oX1[0], &oX2[3] ); T+=step; + oX2+=4; + iX+=8; + }while(iX<oX1); + break; + } + + case 1: { + /* linear interpolation between table values: offset=0.5, step=1 */ + register ogg_int32_t t0,t1,v0,v1; + T = sincos_lookup0; + V = sincos_lookup1; + t0 = (*T++)>>1; + t1 = (*T++)>>1; + do{ + oX1-=4; + + t0 += (v0 = (*V++)>>1); + t1 += (v1 = (*V++)>>1); + XPROD31( iX[0], -iX[1], t0, t1, &oX1[3], &oX2[0] ); + v0 += (t0 = (*T++)>>1); + v1 += (t1 = (*T++)>>1); + XPROD31( iX[2], -iX[3], v0, v1, &oX1[2], &oX2[1] ); + t0 += (v0 = (*V++)>>1); + t1 += (v1 = (*V++)>>1); + XPROD31( iX[4], -iX[5], t0, t1, &oX1[1], &oX2[2] ); + v0 += (t0 = (*T++)>>1); + v1 += (t1 = (*T++)>>1); + XPROD31( iX[6], -iX[7], v0, v1, &oX1[0], &oX2[3] ); + + oX2+=4; + iX+=8; + }while(iX<oX1); + break; + } + + case 0: { + /* linear interpolation between table values: offset=0.25, step=0.5 */ + register ogg_int32_t t0,t1,v0,v1,q0,q1; + T = sincos_lookup0; + V = sincos_lookup1; + t0 = *T++; + t1 = *T++; + do{ + oX1-=4; + + v0 = *V++; + v1 = *V++; + t0 += (q0 = (v0-t0)>>2); + t1 += (q1 = (v1-t1)>>2); + XPROD31( iX[0], -iX[1], t0, t1, &oX1[3], &oX2[0] ); + t0 = v0-q0; + t1 = v1-q1; + XPROD31( iX[2], -iX[3], t0, t1, &oX1[2], &oX2[1] ); + + t0 = *T++; + t1 = *T++; + v0 += (q0 = (t0-v0)>>2); + v1 += (q1 = (t1-v1)>>2); + XPROD31( iX[4], -iX[5], v0, v1, &oX1[1], &oX2[2] ); + v0 = t0-q0; + v1 = t1-q1; + XPROD31( iX[6], -iX[7], v0, v1, &oX1[0], &oX2[3] ); + + oX2+=4; + iX+=8; + }while(iX<oX1); + break; + } + } + + iX=out+n2+n4; + oX1=out+n4; + oX2=oX1; + + do{ + oX1-=4; + iX-=4; + + oX2[0] = -(oX1[3] = iX[3]); + oX2[1] = -(oX1[2] = iX[2]); + oX2[2] = -(oX1[1] = iX[1]); + oX2[3] = -(oX1[0] = iX[0]); + + oX2+=4; + }while(oX2<iX); + + iX=out+n2+n4; + oX1=out+n2+n4; + oX2=out+n2; + + do{ + oX1-=4; + oX1[0]= iX[3]; + oX1[1]= iX[2]; + oX1[2]= iX[1]; + oX1[3]= iX[0]; + iX+=4; + }while(oX1>oX2); + } +} diff --git a/apps/codecs/libwma/mdct2.h b/apps/codecs/libwma/mdct2.h new file mode 100644 index 0000000..a1c3a0b --- /dev/null +++ b/apps/codecs/libwma/mdct2.h @@ -0,0 +1,85 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: modified discrete cosine transform prototypes + + ********************************************************************/ + +#ifndef _OGG_mdct_H_ +#define _OGG_mdct_H_ + +typedef short ogg_int16_t; +typedef int ogg_int32_t; +typedef unsigned int ogg_uint32_t; +typedef long long ogg_int64_t; + + +#ifdef _LOW_ACCURACY_ +# define X(n) (((((n)>>22)+1)>>1) - ((((n)>>22)+1)>>9)) +# define LOOKUP_T const unsigned char +#else +# define X(n) (n) +# define LOOKUP_T const ogg_int32_t +#endif + +//#include "ivorbiscodec.h" + +#include <codecs.h> +#include "asm_arm.h" +#include "asm_mcf5249.h" +#include "misc.h" + +#ifndef ICONST_ATTR_TREMOR_WINDOW +#define ICONST_ATTR_TREMOR_WINDOW ICONST_ATTR +#endif + +#ifndef ICODE_ATTR_TREMOR_MDCT +#define ICODE_ATTR_TREMOR_MDCT ICODE_ATTR +#endif + +#ifndef ICODE_ATTR_TREMOR_NOT_MDCT +#define ICODE_ATTR_TREMOR_NOT_MDCT ICODE_ATTR +#endif + + +#define DATA_TYPE ogg_int32_t +#define REG_TYPE register ogg_int32_t + +#ifdef _LOW_ACCURACY_ +#define cPI3_8 (0x0062) +#define cPI2_8 (0x00b5) +#define cPI1_8 (0x00ed) +#else +#define cPI3_8 (0x30fbc54d) +#define cPI2_8 (0x5a82799a) +#define cPI1_8 (0x7641af3d) +#endif + +//extern void mdct_forward(int n, DATA_TYPE *in, DATA_TYPE *out); +extern void mdct_backward(int n, ogg_int32_t *in, DATA_TYPE *out); +//extern void mdct_bitreverse(DATA_TYPE *x,int n,int step,int shift); +//extern void mdct_butterflies(DATA_TYPE *x,int points,int shift); + +#endif + + + + + + + + + + + + diff --git a/apps/codecs/libwma/mdct_arm.S b/apps/codecs/libwma/mdct_arm.S new file mode 100644 index 0000000..f262951 --- /dev/null +++ b/apps/codecs/libwma/mdct_arm.S @@ -0,0 +1,429 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2007 by Tomasz Malesinski + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" +/* Codecs should not normally do this, but we need to check a macro, and + * codecs.h would confuse the assembler. */ + +#define cPI3_8 (0x30fbc54d) +#define cPI2_8 (0x5a82799a) +#define cPI1_8 (0x7641af3d) + +#ifdef USE_IRAM + .section .icode,"ax",%progbits +#else + .text +#endif + .align + + .global mdct_butterfly_32 + .global mdct_butterfly_generic_loop + +mdct_butterfly_8: + add r9, r5, r1 @ x4 + x0 + sub r5, r5, r1 @ x4 - x0 + add r7, r6, r2 @ x5 + x1 + sub r6, r6, r2 @ x5 - x1 + add r8, r10, r3 @ x6 + x2 + sub r10, r10, r3 @ x6 - x2 + add r12, r11, r4 @ x7 + x3 + sub r11, r11, r4 @ x7 - x3 + + add r1, r10, r6 @ y0 = (x6 - x2) + (x5 - x1) + sub r2, r11, r5 @ y1 = (x7 - x3) - (x4 - x0) + sub r3, r10, r6 @ y2 = (x6 - x2) - (x5 - x1) + add r4, r11, r5 @ y3 = (x7 - x3) + (x4 - x0) + sub r5, r8, r9 @ y4 = (x6 + x2) - (x4 + x0) + sub r6, r12, r7 @ y5 = (x7 + x3) - (x5 + x1) + add r10, r8, r9 @ y6 = (x6 + x2) + (x4 + x0) + add r11, r12, r7 @ y7 = (x7 + x3) + (x5 + x1) + stmia r0, {r1, r2, r3, r4, r5, r6, r10, r11} + + mov pc, lr + +mdct_butterfly_16: + str lr, [sp, #-4]! + add r1, r0, #8*4 + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y8 = x8 + x0 + rsb r2, r6, r2, asl #1 @ x0 - x8 + add r7, r7, r3 @ y9 = x9 + x1 + rsb r3, r7, r3, asl #1 @ x1 - x9 + add r8, r8, r4 @ y10 = x10 + x2 + sub r11, r8, r4, asl #1 @ x10 - x2 + add r9, r9, r5 @ y11 = x11 + x3 + rsb r10, r9, r5, asl #1 @ x3 - x11 + + stmia r1!, {r6, r7, r8, r9} + + add r2, r2, r3 @ (x0 - x8) + (x1 - x9) + rsb r3, r2, r3, asl #1 @ (x1 - x9) - (x0 - x8) + + ldr r12, =cPI2_8 + smull r8, r5, r2, r12 + mov r5, r5, asl #1 + smull r8, r6, r3, r12 + mov r6, r6, asl #1 + + stmia r0!, {r5, r6, r10, r11} + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y12 = x12 + x4 + sub r2, r6, r2, asl #1 @ x12 - x4 + add r7, r7, r3 @ y13 = x13 + x5 + sub r3, r7, r3, asl #1 @ x13 - x5 + add r8, r8, r4 @ y10 = x14 + x6 + sub r10, r8, r4, asl #1 @ x14 - x6 + add r9, r9, r5 @ y11 = x15 + x7 + sub r11, r9, r5, asl #1 @ x15 - x7 + + stmia r1, {r6, r7, r8, r9} + + sub r2, r2, r3 @ (x12 - x4) - (x13 - x5) + add r3, r2, r3, asl #1 @ (x12 - x4) + (x13 - x5) + + smull r8, r5, r2, r12 + mov r5, r5, asl #1 + smull r8, r6, r3, r12 + mov r6, r6, asl #1 + @ no stmia here, r5, r6, r10, r11 are passed to mdct_butterfly_8 + + sub r0, r0, #4*4 + ldmia r0, {r1, r2, r3, r4} + bl mdct_butterfly_8 + add r0, r0, #8*4 + ldmia r0, {r1, r2, r3, r4, r5, r6, r10, r11} + bl mdct_butterfly_8 + + ldr pc, [sp], #4 + +mdct_butterfly_32: + stmdb sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, lr} + + add r1, r0, #16*4 + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y16 = x16 + x0 + rsb r2, r6, r2, asl #1 @ x0 - x16 + add r7, r7, r3 @ y17 = x17 + x1 + rsb r3, r7, r3, asl #1 @ x1 - x17 + add r8, r8, r4 @ y18 = x18 + x2 + rsb r4, r8, r4, asl #1 @ x2 - x18 + add r9, r9, r5 @ y19 = x19 + x3 + rsb r5, r9, r5, asl #1 @ x3 - x19 + + stmia r1!, {r6, r7, r8, r9} + + ldr r12, =cPI1_8 + ldr lr, =cPI3_8 + smull r10, r6, r2, r12 + smlal r10, r6, r3, lr + rsb r2, r2, #0 + smull r10, r7, r3, r12 + smlal r10, r7, r2, lr + mov r6, r6, asl #1 + mov r7, r7, asl #1 + + add r4, r4, r5 @ (x3 - x19) + (x2 - x18) + rsb r5, r4, r5, asl #1 @ (x3 - x19) - (x2 - x18) + + ldr r11, =cPI2_8 + smull r10, r8, r4, r11 + mov r8, r8, asl #1 + smull r10, r9, r5, r11 + mov r9, r9, asl #1 + + stmia r0!, {r6, r7, r8, r9} + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y20 = x20 + x4 + rsb r2, r6, r2, asl #1 @ x4 - x20 + add r7, r7, r3 @ y21 = x21 + x5 + rsb r3, r7, r3, asl #1 @ x5 - x21 + add r8, r8, r4 @ y22 = x22 + x6 + sub r4, r8, r4, asl #1 @ x22 - x6 + add r9, r9, r5 @ y23 = x23 + x7 + rsb r5, r9, r5, asl #1 @ x7 - x23 + + stmia r1!, {r6, r7, r8, r9} + + smull r10, r6, r2, lr + smlal r10, r6, r3, r12 + rsb r2, r2, #0 + smull r10, r7, r3, lr + smlal r10, r7, r2, r12 + mov r6, r6, asl #1 + mov r7, r7, asl #1 + + mov r8, r5 + mov r9, r4 + stmia r0!, {r6, r7, r8, r9} + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y24 = x24 + x8 + sub r2, r6, r2, asl #1 @ x24 - x8 + add r7, r7, r3 @ y25 = x25 + x9 + sub r3, r7, r3, asl #1 @ x25 - x9 + add r8, r8, r4 @ y26 = x26 + x10 + sub r4, r8, r4, asl #1 @ x26 - x10 + add r9, r9, r5 @ y27 = x27 + x11 + sub r5, r9, r5, asl #1 @ x27 - x11 + + stmia r1!, {r6, r7, r8, r9} + + smull r10, r7, r2, r12 + smlal r10, r7, r3, lr + rsb r3, r3, #0 + smull r10, r6, r3, r12 + smlal r10, r6, r2, lr + mov r6, r6, asl #1 + mov r7, r7, asl #1 + + sub r4, r4, r5 @ (x26 - x10) - (x27 - x11) + add r5, r4, r5, asl #1 @ (x26 - x10) + (x27 - x11) + + ldr r11, =cPI2_8 + smull r10, r8, r4, r11 + mov r8, r8, asl #1 + smull r10, r9, r5, r11 + mov r9, r9, asl #1 + + stmia r0!, {r6, r7, r8, r9} + + ldmia r0, {r2, r3, r4, r5} + ldmia r1, {r6, r7, r8, r9} + add r6, r6, r2 @ y28 = x28 + x12 + sub r2, r6, r2, asl #1 @ x28 - x12 + add r7, r7, r3 @ y29 = x29 + x13 + sub r3, r7, r3, asl #1 @ x29 - x13 + add r8, r8, r4 @ y30 = x30 + x14 + sub r4, r8, r4, asl #1 @ x30 - x14 + add r9, r9, r5 @ y31 = x31 + x15 + sub r5, r9, r5, asl #1 @ x31 - x15 + + stmia r1, {r6, r7, r8, r9} + + smull r10, r7, r2, lr + smlal r10, r7, r3, r12 + rsb r3, r3, #0 + smull r10, r6, r3, lr + smlal r10, r6, r2, r12 + mov r6, r6, asl #1 + mov r7, r7, asl #1 + + mov r8, r4 + mov r9, r5 + stmia r0, {r6, r7, r8, r9} + + sub r0, r0, #12*4 + str r0, [sp, #-4]! + bl mdct_butterfly_16 + + ldr r0, [sp], #4 + add r0, r0, #16*4 + bl mdct_butterfly_16 + + ldmia sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, pc} + + @ mdct_butterfly_generic_loop(x1, x2, T0, step, Ttop) +mdct_butterfly_generic_loop: + stmdb sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, lr} + str r2, [sp, #-4] + ldr r4, [sp, #40] +1: + ldmdb r0, {r6, r7, r8, r9} + ldmdb r1, {r10, r11, r12, r14} + + add r6, r6, r10 + sub r10, r6, r10, asl #1 + add r7, r7, r11 + rsb r11, r7, r11, asl #1 + add r8, r8, r12 + sub r12, r8, r12, asl #1 + add r9, r9, r14 + rsb r14, r9, r14, asl #1 + + stmdb r0!, {r6, r7, r8, r9} + + ldmia r2, {r6, r7} + smull r5, r8, r14, r6 + smlal r5, r8, r12, r7 + rsb r14, r14, #0 + smull r5, r9, r12, r6 + smlal r5, r9, r14, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + add r2, r2, r3, asl #2 + + ldmia r2, {r6, r7} + smull r5, r8, r11, r6 + smlal r5, r8, r10, r7 + rsb r11, r11, #0 + smull r5, r9, r10, r6 + smlal r5, r9, r11, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + add r2, r2, r3, asl #2 + + cmp r2, r4 + blo 1b + + ldr r4, [sp, #-4] +1: + ldmdb r0, {r6, r7, r8, r9} + ldmdb r1, {r10, r11, r12, r14} + + add r6, r6, r10 + sub r10, r6, r10, asl #1 + add r7, r7, r11 + sub r11, r7, r11, asl #1 + add r8, r8, r12 + sub r12, r8, r12, asl #1 + add r9, r9, r14 + sub r14, r9, r14, asl #1 + + stmdb r0!, {r6, r7, r8, r9} + + ldmia r2, {r6, r7} + smull r5, r9, r14, r6 + smlal r5, r9, r12, r7 + rsb r14, r14, #0 + smull r5, r8, r12, r6 + smlal r5, r8, r14, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + sub r2, r2, r3, asl #2 + + ldmia r2, {r6, r7} + smull r5, r9, r11, r6 + smlal r5, r9, r10, r7 + rsb r11, r11, #0 + smull r5, r8, r10, r6 + smlal r5, r8, r11, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + sub r2, r2, r3, asl #2 + + cmp r2, r4 + bhi 1b + + ldr r4, [sp, #40] +1: + ldmdb r0, {r6, r7, r8, r9} + ldmdb r1, {r10, r11, r12, r14} + + add r6, r6, r10 + rsb r10, r6, r10, asl #1 + add r7, r7, r11 + rsb r11, r7, r11, asl #1 + add r8, r8, r12 + rsb r12, r8, r12, asl #1 + add r9, r9, r14 + rsb r14, r9, r14, asl #1 + + stmdb r0!, {r6, r7, r8, r9} + + ldmia r2, {r6, r7} + smull r5, r8, r12, r6 + smlal r5, r8, r14, r7 + rsb r12, r12, #0 + smull r5, r9, r14, r6 + smlal r5, r9, r12, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + add r2, r2, r3, asl #2 + + ldmia r2, {r6, r7} + smull r5, r8, r10, r6 + smlal r5, r8, r11, r7 + rsb r10, r10, #0 + smull r5, r9, r11, r6 + smlal r5, r9, r10, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + add r2, r2, r3, asl #2 + + cmp r2, r4 + blo 1b + + ldr r4, [sp, #-4] +1: + ldmdb r0, {r6, r7, r8, r9} + ldmdb r1, {r10, r11, r12, r14} + + add r6, r6, r10 + sub r10, r6, r10, asl #1 + add r7, r7, r11 + rsb r11, r7, r11, asl #1 + add r8, r8, r12 + sub r12, r8, r12, asl #1 + add r9, r9, r14 + rsb r14, r9, r14, asl #1 + + stmdb r0!, {r6, r7, r8, r9} + + ldmia r2, {r6, r7} + smull r5, r9, r12, r6 + smlal r5, r9, r14, r7 + rsb r12, r12, #0 + smull r5, r8, r14, r6 + smlal r5, r8, r12, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + sub r2, r2, r3, asl #2 + + ldmia r2, {r6, r7} + smull r5, r9, r10, r6 + smlal r5, r9, r11, r7 + rsb r10, r10, #0 + smull r5, r8, r11, r6 + smlal r5, r8, r10, r7 + + mov r8, r8, asl #1 + mov r9, r9, asl #1 + stmdb r1!, {r8, r9} + sub r2, r2, r3, asl #2 + + cmp r2, r4 + bhi 1b + + ldmia sp!, {r4, r5, r6, r7, r8, r9, r10, r11, r12, pc} + diff --git a/apps/codecs/libwma/mdct_lookup.h b/apps/codecs/libwma/mdct_lookup.h new file mode 100644 index 0000000..1c568af --- /dev/null +++ b/apps/codecs/libwma/mdct_lookup.h @@ -0,0 +1,544 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: sin,cos lookup tables + + ********************************************************************/ + + + + + + + +/* {sin(2*i*PI/4096), cos(2*i*PI/4096)}, with i = 0 to 512 */ +static const int sincos_lookup0[1026] ICONST_ATTR = { + X(0x00000000), X(0x7fffffff), X(0x003243f5), X(0x7ffff621), + X(0x006487e3), X(0x7fffd886), X(0x0096cbc1), X(0x7fffa72c), + X(0x00c90f88), X(0x7fff6216), X(0x00fb5330), X(0x7fff0943), + X(0x012d96b1), X(0x7ffe9cb2), X(0x015fda03), X(0x7ffe1c65), + X(0x01921d20), X(0x7ffd885a), X(0x01c45ffe), X(0x7ffce093), + X(0x01f6a297), X(0x7ffc250f), X(0x0228e4e2), X(0x7ffb55ce), + X(0x025b26d7), X(0x7ffa72d1), X(0x028d6870), X(0x7ff97c18), + X(0x02bfa9a4), X(0x7ff871a2), X(0x02f1ea6c), X(0x7ff75370), + X(0x03242abf), X(0x7ff62182), X(0x03566a96), X(0x7ff4dbd9), + X(0x0388a9ea), X(0x7ff38274), X(0x03bae8b2), X(0x7ff21553), + X(0x03ed26e6), X(0x7ff09478), X(0x041f6480), X(0x7feeffe1), + X(0x0451a177), X(0x7fed5791), X(0x0483ddc3), X(0x7feb9b85), + X(0x04b6195d), X(0x7fe9cbc0), X(0x04e8543e), X(0x7fe7e841), + X(0x051a8e5c), X(0x7fe5f108), X(0x054cc7b1), X(0x7fe3e616), + X(0x057f0035), X(0x7fe1c76b), X(0x05b137df), X(0x7fdf9508), + X(0x05e36ea9), X(0x7fdd4eec), X(0x0615a48b), X(0x7fdaf519), + X(0x0647d97c), X(0x7fd8878e), X(0x067a0d76), X(0x7fd6064c), + X(0x06ac406f), X(0x7fd37153), X(0x06de7262), X(0x7fd0c8a3), + X(0x0710a345), X(0x7fce0c3e), X(0x0742d311), X(0x7fcb3c23), + X(0x077501be), X(0x7fc85854), X(0x07a72f45), X(0x7fc560cf), + X(0x07d95b9e), X(0x7fc25596), X(0x080b86c2), X(0x7fbf36aa), + X(0x083db0a7), X(0x7fbc040a), X(0x086fd947), X(0x7fb8bdb8), + X(0x08a2009a), X(0x7fb563b3), X(0x08d42699), X(0x7fb1f5fc), + X(0x09064b3a), X(0x7fae7495), X(0x09386e78), X(0x7faadf7c), + X(0x096a9049), X(0x7fa736b4), X(0x099cb0a7), X(0x7fa37a3c), + X(0x09cecf89), X(0x7f9faa15), X(0x0a00ece8), X(0x7f9bc640), + X(0x0a3308bd), X(0x7f97cebd), X(0x0a6522fe), X(0x7f93c38c), + X(0x0a973ba5), X(0x7f8fa4b0), X(0x0ac952aa), X(0x7f8b7227), + X(0x0afb6805), X(0x7f872bf3), X(0x0b2d7baf), X(0x7f82d214), + X(0x0b5f8d9f), X(0x7f7e648c), X(0x0b919dcf), X(0x7f79e35a), + X(0x0bc3ac35), X(0x7f754e80), X(0x0bf5b8cb), X(0x7f70a5fe), + X(0x0c27c389), X(0x7f6be9d4), X(0x0c59cc68), X(0x7f671a05), + X(0x0c8bd35e), X(0x7f62368f), X(0x0cbdd865), X(0x7f5d3f75), + X(0x0cefdb76), X(0x7f5834b7), X(0x0d21dc87), X(0x7f531655), + X(0x0d53db92), X(0x7f4de451), X(0x0d85d88f), X(0x7f489eaa), + X(0x0db7d376), X(0x7f434563), X(0x0de9cc40), X(0x7f3dd87c), + X(0x0e1bc2e4), X(0x7f3857f6), X(0x0e4db75b), X(0x7f32c3d1), + X(0x0e7fa99e), X(0x7f2d1c0e), X(0x0eb199a4), X(0x7f2760af), + X(0x0ee38766), X(0x7f2191b4), X(0x0f1572dc), X(0x7f1baf1e), + X(0x0f475bff), X(0x7f15b8ee), X(0x0f7942c7), X(0x7f0faf25), + X(0x0fab272b), X(0x7f0991c4), X(0x0fdd0926), X(0x7f0360cb), + X(0x100ee8ad), X(0x7efd1c3c), X(0x1040c5bb), X(0x7ef6c418), + X(0x1072a048), X(0x7ef05860), X(0x10a4784b), X(0x7ee9d914), + X(0x10d64dbd), X(0x7ee34636), X(0x11082096), X(0x7edc9fc6), + X(0x1139f0cf), X(0x7ed5e5c6), X(0x116bbe60), X(0x7ecf1837), + X(0x119d8941), X(0x7ec8371a), X(0x11cf516a), X(0x7ec14270), + X(0x120116d5), X(0x7eba3a39), X(0x1232d979), X(0x7eb31e78), + X(0x1264994e), X(0x7eabef2c), X(0x1296564d), X(0x7ea4ac58), + X(0x12c8106f), X(0x7e9d55fc), X(0x12f9c7aa), X(0x7e95ec1a), + X(0x132b7bf9), X(0x7e8e6eb2), X(0x135d2d53), X(0x7e86ddc6), + X(0x138edbb1), X(0x7e7f3957), X(0x13c0870a), X(0x7e778166), + X(0x13f22f58), X(0x7e6fb5f4), X(0x1423d492), X(0x7e67d703), + X(0x145576b1), X(0x7e5fe493), X(0x148715ae), X(0x7e57dea7), + X(0x14b8b17f), X(0x7e4fc53e), X(0x14ea4a1f), X(0x7e47985b), + X(0x151bdf86), X(0x7e3f57ff), X(0x154d71aa), X(0x7e37042a), + X(0x157f0086), X(0x7e2e9cdf), X(0x15b08c12), X(0x7e26221f), + X(0x15e21445), X(0x7e1d93ea), X(0x16139918), X(0x7e14f242), + X(0x16451a83), X(0x7e0c3d29), X(0x1676987f), X(0x7e0374a0), + X(0x16a81305), X(0x7dfa98a8), X(0x16d98a0c), X(0x7df1a942), + X(0x170afd8d), X(0x7de8a670), X(0x173c6d80), X(0x7ddf9034), + X(0x176dd9de), X(0x7dd6668f), X(0x179f429f), X(0x7dcd2981), + X(0x17d0a7bc), X(0x7dc3d90d), X(0x1802092c), X(0x7dba7534), + X(0x183366e9), X(0x7db0fdf8), X(0x1864c0ea), X(0x7da77359), + X(0x18961728), X(0x7d9dd55a), X(0x18c7699b), X(0x7d9423fc), + X(0x18f8b83c), X(0x7d8a5f40), X(0x192a0304), X(0x7d808728), + X(0x195b49ea), X(0x7d769bb5), X(0x198c8ce7), X(0x7d6c9ce9), + X(0x19bdcbf3), X(0x7d628ac6), X(0x19ef0707), X(0x7d58654d), + X(0x1a203e1b), X(0x7d4e2c7f), X(0x1a517128), X(0x7d43e05e), + X(0x1a82a026), X(0x7d3980ec), X(0x1ab3cb0d), X(0x7d2f0e2b), + X(0x1ae4f1d6), X(0x7d24881b), X(0x1b161479), X(0x7d19eebf), + X(0x1b4732ef), X(0x7d0f4218), X(0x1b784d30), X(0x7d048228), + X(0x1ba96335), X(0x7cf9aef0), X(0x1bda74f6), X(0x7ceec873), + X(0x1c0b826a), X(0x7ce3ceb2), X(0x1c3c8b8c), X(0x7cd8c1ae), + X(0x1c6d9053), X(0x7ccda169), X(0x1c9e90b8), X(0x7cc26de5), + X(0x1ccf8cb3), X(0x7cb72724), X(0x1d00843d), X(0x7cabcd28), + X(0x1d31774d), X(0x7ca05ff1), X(0x1d6265dd), X(0x7c94df83), + X(0x1d934fe5), X(0x7c894bde), X(0x1dc4355e), X(0x7c7da505), + X(0x1df5163f), X(0x7c71eaf9), X(0x1e25f282), X(0x7c661dbc), + X(0x1e56ca1e), X(0x7c5a3d50), X(0x1e879d0d), X(0x7c4e49b7), + X(0x1eb86b46), X(0x7c4242f2), X(0x1ee934c3), X(0x7c362904), + X(0x1f19f97b), X(0x7c29fbee), X(0x1f4ab968), X(0x7c1dbbb3), + X(0x1f7b7481), X(0x7c116853), X(0x1fac2abf), X(0x7c0501d2), + X(0x1fdcdc1b), X(0x7bf88830), X(0x200d888d), X(0x7bebfb70), + X(0x203e300d), X(0x7bdf5b94), X(0x206ed295), X(0x7bd2a89e), + X(0x209f701c), X(0x7bc5e290), X(0x20d0089c), X(0x7bb9096b), + X(0x21009c0c), X(0x7bac1d31), X(0x21312a65), X(0x7b9f1de6), + X(0x2161b3a0), X(0x7b920b89), X(0x219237b5), X(0x7b84e61f), + X(0x21c2b69c), X(0x7b77ada8), X(0x21f3304f), X(0x7b6a6227), + X(0x2223a4c5), X(0x7b5d039e), X(0x225413f8), X(0x7b4f920e), + X(0x22847de0), X(0x7b420d7a), X(0x22b4e274), X(0x7b3475e5), + X(0x22e541af), X(0x7b26cb4f), X(0x23159b88), X(0x7b190dbc), + X(0x2345eff8), X(0x7b0b3d2c), X(0x23763ef7), X(0x7afd59a4), + X(0x23a6887f), X(0x7aef6323), X(0x23d6cc87), X(0x7ae159ae), + X(0x24070b08), X(0x7ad33d45), X(0x243743fa), X(0x7ac50dec), + X(0x24677758), X(0x7ab6cba4), X(0x2497a517), X(0x7aa8766f), + X(0x24c7cd33), X(0x7a9a0e50), X(0x24f7efa2), X(0x7a8b9348), + X(0x25280c5e), X(0x7a7d055b), X(0x2558235f), X(0x7a6e648a), + X(0x2588349d), X(0x7a5fb0d8), X(0x25b84012), X(0x7a50ea47), + X(0x25e845b6), X(0x7a4210d8), X(0x26184581), X(0x7a332490), + X(0x26483f6c), X(0x7a24256f), X(0x26783370), X(0x7a151378), + X(0x26a82186), X(0x7a05eead), X(0x26d809a5), X(0x79f6b711), + X(0x2707ebc7), X(0x79e76ca7), X(0x2737c7e3), X(0x79d80f6f), + X(0x27679df4), X(0x79c89f6e), X(0x27976df1), X(0x79b91ca4), + X(0x27c737d3), X(0x79a98715), X(0x27f6fb92), X(0x7999dec4), + X(0x2826b928), X(0x798a23b1), X(0x2856708d), X(0x797a55e0), + X(0x288621b9), X(0x796a7554), X(0x28b5cca5), X(0x795a820e), + X(0x28e5714b), X(0x794a7c12), X(0x29150fa1), X(0x793a6361), + X(0x2944a7a2), X(0x792a37fe), X(0x29743946), X(0x7919f9ec), + X(0x29a3c485), X(0x7909a92d), X(0x29d34958), X(0x78f945c3), + X(0x2a02c7b8), X(0x78e8cfb2), X(0x2a323f9e), X(0x78d846fb), + X(0x2a61b101), X(0x78c7aba2), X(0x2a911bdc), X(0x78b6fda8), + X(0x2ac08026), X(0x78a63d11), X(0x2aefddd8), X(0x789569df), + X(0x2b1f34eb), X(0x78848414), X(0x2b4e8558), X(0x78738bb3), + X(0x2b7dcf17), X(0x786280bf), X(0x2bad1221), X(0x7851633b), + X(0x2bdc4e6f), X(0x78403329), X(0x2c0b83fa), X(0x782ef08b), + X(0x2c3ab2b9), X(0x781d9b65), X(0x2c69daa6), X(0x780c33b8), + X(0x2c98fbba), X(0x77fab989), X(0x2cc815ee), X(0x77e92cd9), + X(0x2cf72939), X(0x77d78daa), X(0x2d263596), X(0x77c5dc01), + X(0x2d553afc), X(0x77b417df), X(0x2d843964), X(0x77a24148), + X(0x2db330c7), X(0x7790583e), X(0x2de2211e), X(0x777e5cc3), + X(0x2e110a62), X(0x776c4edb), X(0x2e3fec8b), X(0x775a2e89), + X(0x2e6ec792), X(0x7747fbce), X(0x2e9d9b70), X(0x7735b6af), + X(0x2ecc681e), X(0x77235f2d), X(0x2efb2d95), X(0x7710f54c), + X(0x2f29ebcc), X(0x76fe790e), X(0x2f58a2be), X(0x76ebea77), + X(0x2f875262), X(0x76d94989), X(0x2fb5fab2), X(0x76c69647), + X(0x2fe49ba7), X(0x76b3d0b4), X(0x30133539), X(0x76a0f8d2), + X(0x3041c761), X(0x768e0ea6), X(0x30705217), X(0x767b1231), + X(0x309ed556), X(0x76680376), X(0x30cd5115), X(0x7654e279), + X(0x30fbc54d), X(0x7641af3d), X(0x312a31f8), X(0x762e69c4), + X(0x3158970e), X(0x761b1211), X(0x3186f487), X(0x7607a828), + X(0x31b54a5e), X(0x75f42c0b), X(0x31e39889), X(0x75e09dbd), + X(0x3211df04), X(0x75ccfd42), X(0x32401dc6), X(0x75b94a9c), + X(0x326e54c7), X(0x75a585cf), X(0x329c8402), X(0x7591aedd), + X(0x32caab6f), X(0x757dc5ca), X(0x32f8cb07), X(0x7569ca99), + X(0x3326e2c3), X(0x7555bd4c), X(0x3354f29b), X(0x75419de7), + X(0x3382fa88), X(0x752d6c6c), X(0x33b0fa84), X(0x751928e0), + X(0x33def287), X(0x7504d345), X(0x340ce28b), X(0x74f06b9e), + X(0x343aca87), X(0x74dbf1ef), X(0x3468aa76), X(0x74c7663a), + X(0x34968250), X(0x74b2c884), X(0x34c4520d), X(0x749e18cd), + X(0x34f219a8), X(0x7489571c), X(0x351fd918), X(0x74748371), + X(0x354d9057), X(0x745f9dd1), X(0x357b3f5d), X(0x744aa63f), + X(0x35a8e625), X(0x74359cbd), X(0x35d684a6), X(0x74208150), + X(0x36041ad9), X(0x740b53fb), X(0x3631a8b8), X(0x73f614c0), + X(0x365f2e3b), X(0x73e0c3a3), X(0x368cab5c), X(0x73cb60a8), + X(0x36ba2014), X(0x73b5ebd1), X(0x36e78c5b), X(0x73a06522), + X(0x3714f02a), X(0x738acc9e), X(0x37424b7b), X(0x73752249), + X(0x376f9e46), X(0x735f6626), X(0x379ce885), X(0x73499838), + X(0x37ca2a30), X(0x7333b883), X(0x37f76341), X(0x731dc70a), + X(0x382493b0), X(0x7307c3d0), X(0x3851bb77), X(0x72f1aed9), + X(0x387eda8e), X(0x72db8828), X(0x38abf0ef), X(0x72c54fc1), + X(0x38d8fe93), X(0x72af05a7), X(0x39060373), X(0x7298a9dd), + X(0x3932ff87), X(0x72823c67), X(0x395ff2c9), X(0x726bbd48), + X(0x398cdd32), X(0x72552c85), X(0x39b9bebc), X(0x723e8a20), + X(0x39e6975e), X(0x7227d61c), X(0x3a136712), X(0x7211107e), + X(0x3a402dd2), X(0x71fa3949), X(0x3a6ceb96), X(0x71e35080), + X(0x3a99a057), X(0x71cc5626), X(0x3ac64c0f), X(0x71b54a41), + X(0x3af2eeb7), X(0x719e2cd2), X(0x3b1f8848), X(0x7186fdde), + X(0x3b4c18ba), X(0x716fbd68), X(0x3b78a007), X(0x71586b74), + X(0x3ba51e29), X(0x71410805), X(0x3bd19318), X(0x7129931f), + X(0x3bfdfecd), X(0x71120cc5), X(0x3c2a6142), X(0x70fa74fc), + X(0x3c56ba70), X(0x70e2cbc6), X(0x3c830a50), X(0x70cb1128), + X(0x3caf50da), X(0x70b34525), X(0x3cdb8e09), X(0x709b67c0), + X(0x3d07c1d6), X(0x708378ff), X(0x3d33ec39), X(0x706b78e3), + X(0x3d600d2c), X(0x70536771), X(0x3d8c24a8), X(0x703b44ad), + X(0x3db832a6), X(0x7023109a), X(0x3de4371f), X(0x700acb3c), + X(0x3e10320d), X(0x6ff27497), X(0x3e3c2369), X(0x6fda0cae), + X(0x3e680b2c), X(0x6fc19385), X(0x3e93e950), X(0x6fa90921), + X(0x3ebfbdcd), X(0x6f906d84), X(0x3eeb889c), X(0x6f77c0b3), + X(0x3f1749b8), X(0x6f5f02b2), X(0x3f430119), X(0x6f463383), + X(0x3f6eaeb8), X(0x6f2d532c), X(0x3f9a5290), X(0x6f1461b0), + X(0x3fc5ec98), X(0x6efb5f12), X(0x3ff17cca), X(0x6ee24b57), + X(0x401d0321), X(0x6ec92683), X(0x40487f94), X(0x6eaff099), + X(0x4073f21d), X(0x6e96a99d), X(0x409f5ab6), X(0x6e7d5193), + X(0x40cab958), X(0x6e63e87f), X(0x40f60dfb), X(0x6e4a6e66), + X(0x4121589b), X(0x6e30e34a), X(0x414c992f), X(0x6e174730), + X(0x4177cfb1), X(0x6dfd9a1c), X(0x41a2fc1a), X(0x6de3dc11), + X(0x41ce1e65), X(0x6dca0d14), X(0x41f93689), X(0x6db02d29), + X(0x42244481), X(0x6d963c54), X(0x424f4845), X(0x6d7c3a98), + X(0x427a41d0), X(0x6d6227fa), X(0x42a5311b), X(0x6d48047e), + X(0x42d0161e), X(0x6d2dd027), X(0x42faf0d4), X(0x6d138afb), + X(0x4325c135), X(0x6cf934fc), X(0x4350873c), X(0x6cdece2f), + X(0x437b42e1), X(0x6cc45698), X(0x43a5f41e), X(0x6ca9ce3b), + X(0x43d09aed), X(0x6c8f351c), X(0x43fb3746), X(0x6c748b3f), + X(0x4425c923), X(0x6c59d0a9), X(0x4450507e), X(0x6c3f055d), + X(0x447acd50), X(0x6c242960), X(0x44a53f93), X(0x6c093cb6), + X(0x44cfa740), X(0x6bee3f62), X(0x44fa0450), X(0x6bd3316a), + X(0x452456bd), X(0x6bb812d1), X(0x454e9e80), X(0x6b9ce39b), + X(0x4578db93), X(0x6b81a3cd), X(0x45a30df0), X(0x6b66536b), + X(0x45cd358f), X(0x6b4af279), X(0x45f7526b), X(0x6b2f80fb), + X(0x4621647d), X(0x6b13fef5), X(0x464b6bbe), X(0x6af86c6c), + X(0x46756828), X(0x6adcc964), X(0x469f59b4), X(0x6ac115e2), + X(0x46c9405c), X(0x6aa551e9), X(0x46f31c1a), X(0x6a897d7d), + X(0x471cece7), X(0x6a6d98a4), X(0x4746b2bc), X(0x6a51a361), + X(0x47706d93), X(0x6a359db9), X(0x479a1d67), X(0x6a1987b0), + X(0x47c3c22f), X(0x69fd614a), X(0x47ed5be6), X(0x69e12a8c), + X(0x4816ea86), X(0x69c4e37a), X(0x48406e08), X(0x69a88c19), + X(0x4869e665), X(0x698c246c), X(0x48935397), X(0x696fac78), + X(0x48bcb599), X(0x69532442), X(0x48e60c62), X(0x69368bce), + X(0x490f57ee), X(0x6919e320), X(0x49389836), X(0x68fd2a3d), + X(0x4961cd33), X(0x68e06129), X(0x498af6df), X(0x68c387e9), + X(0x49b41533), X(0x68a69e81), X(0x49dd282a), X(0x6889a4f6), + X(0x4a062fbd), X(0x686c9b4b), X(0x4a2f2be6), X(0x684f8186), + X(0x4a581c9e), X(0x683257ab), X(0x4a8101de), X(0x68151dbe), + X(0x4aa9dba2), X(0x67f7d3c5), X(0x4ad2a9e2), X(0x67da79c3), + X(0x4afb6c98), X(0x67bd0fbd), X(0x4b2423be), X(0x679f95b7), + X(0x4b4ccf4d), X(0x67820bb7), X(0x4b756f40), X(0x676471c0), + X(0x4b9e0390), X(0x6746c7d8), X(0x4bc68c36), X(0x67290e02), + X(0x4bef092d), X(0x670b4444), X(0x4c177a6e), X(0x66ed6aa1), + X(0x4c3fdff4), X(0x66cf8120), X(0x4c6839b7), X(0x66b187c3), + X(0x4c9087b1), X(0x66937e91), X(0x4cb8c9dd), X(0x6675658c), + X(0x4ce10034), X(0x66573cbb), X(0x4d092ab0), X(0x66390422), + X(0x4d31494b), X(0x661abbc5), X(0x4d595bfe), X(0x65fc63a9), + X(0x4d8162c4), X(0x65ddfbd3), X(0x4da95d96), X(0x65bf8447), + X(0x4dd14c6e), X(0x65a0fd0b), X(0x4df92f46), X(0x65826622), + X(0x4e210617), X(0x6563bf92), X(0x4e48d0dd), X(0x6545095f), + X(0x4e708f8f), X(0x6526438f), X(0x4e984229), X(0x65076e25), + X(0x4ebfe8a5), X(0x64e88926), X(0x4ee782fb), X(0x64c99498), + X(0x4f0f1126), X(0x64aa907f), X(0x4f369320), X(0x648b7ce0), + X(0x4f5e08e3), X(0x646c59bf), X(0x4f857269), X(0x644d2722), + X(0x4faccfab), X(0x642de50d), X(0x4fd420a4), X(0x640e9386), + X(0x4ffb654d), X(0x63ef3290), X(0x50229da1), X(0x63cfc231), + X(0x5049c999), X(0x63b0426d), X(0x5070e92f), X(0x6390b34a), + X(0x5097fc5e), X(0x637114cc), X(0x50bf031f), X(0x635166f9), + X(0x50e5fd6d), X(0x6331a9d4), X(0x510ceb40), X(0x6311dd64), + X(0x5133cc94), X(0x62f201ac), X(0x515aa162), X(0x62d216b3), + X(0x518169a5), X(0x62b21c7b), X(0x51a82555), X(0x6292130c), + X(0x51ced46e), X(0x6271fa69), X(0x51f576ea), X(0x6251d298), + X(0x521c0cc2), X(0x62319b9d), X(0x524295f0), X(0x6211557e), + X(0x5269126e), X(0x61f1003f), X(0x528f8238), X(0x61d09be5), + X(0x52b5e546), X(0x61b02876), X(0x52dc3b92), X(0x618fa5f7), + X(0x53028518), X(0x616f146c), X(0x5328c1d0), X(0x614e73da), + X(0x534ef1b5), X(0x612dc447), X(0x537514c2), X(0x610d05b7), + X(0x539b2af0), X(0x60ec3830), X(0x53c13439), X(0x60cb5bb7), + X(0x53e73097), X(0x60aa7050), X(0x540d2005), X(0x60897601), + X(0x5433027d), X(0x60686ccf), X(0x5458d7f9), X(0x604754bf), + X(0x547ea073), X(0x60262dd6), X(0x54a45be6), X(0x6004f819), + X(0x54ca0a4b), X(0x5fe3b38d), X(0x54efab9c), X(0x5fc26038), + X(0x55153fd4), X(0x5fa0fe1f), X(0x553ac6ee), X(0x5f7f8d46), + X(0x556040e2), X(0x5f5e0db3), X(0x5585adad), X(0x5f3c7f6b), + X(0x55ab0d46), X(0x5f1ae274), X(0x55d05faa), X(0x5ef936d1), + X(0x55f5a4d2), X(0x5ed77c8a), X(0x561adcb9), X(0x5eb5b3a2), + X(0x56400758), X(0x5e93dc1f), X(0x566524aa), X(0x5e71f606), + X(0x568a34a9), X(0x5e50015d), X(0x56af3750), X(0x5e2dfe29), + X(0x56d42c99), X(0x5e0bec6e), X(0x56f9147e), X(0x5de9cc33), + X(0x571deefa), X(0x5dc79d7c), X(0x5742bc06), X(0x5da5604f), + X(0x57677b9d), X(0x5d8314b1), X(0x578c2dba), X(0x5d60baa7), + X(0x57b0d256), X(0x5d3e5237), X(0x57d5696d), X(0x5d1bdb65), + X(0x57f9f2f8), X(0x5cf95638), X(0x581e6ef1), X(0x5cd6c2b5), + X(0x5842dd54), X(0x5cb420e0), X(0x58673e1b), X(0x5c9170bf), + X(0x588b9140), X(0x5c6eb258), X(0x58afd6bd), X(0x5c4be5b0), + X(0x58d40e8c), X(0x5c290acc), X(0x58f838a9), X(0x5c0621b2), + X(0x591c550e), X(0x5be32a67), X(0x594063b5), X(0x5bc024f0), + X(0x59646498), X(0x5b9d1154), X(0x598857b2), X(0x5b79ef96), + X(0x59ac3cfd), X(0x5b56bfbd), X(0x59d01475), X(0x5b3381ce), + X(0x59f3de12), X(0x5b1035cf), X(0x5a1799d1), X(0x5aecdbc5), + X(0x5a3b47ab), X(0x5ac973b5), X(0x5a5ee79a), X(0x5aa5fda5), + X(0x5a82799a), X(0x5a82799a) + }; + + /* {sin((2*i+1)*PI/4096), cos((2*i+1)*PI/4096)}, with i = 0 to 511 */ +static LOOKUP_T sincos_lookup1[1024] ICONST_ATTR = { + X(0x001921fb), X(0x7ffffd88), X(0x004b65ee), X(0x7fffe9cb), + X(0x007da9d4), X(0x7fffc251), X(0x00afeda8), X(0x7fff8719), + X(0x00e23160), X(0x7fff3824), X(0x011474f6), X(0x7ffed572), + X(0x0146b860), X(0x7ffe5f03), X(0x0178fb99), X(0x7ffdd4d7), + X(0x01ab3e97), X(0x7ffd36ee), X(0x01dd8154), X(0x7ffc8549), + X(0x020fc3c6), X(0x7ffbbfe6), X(0x024205e8), X(0x7ffae6c7), + X(0x027447b0), X(0x7ff9f9ec), X(0x02a68917), X(0x7ff8f954), + X(0x02d8ca16), X(0x7ff7e500), X(0x030b0aa4), X(0x7ff6bcf0), + X(0x033d4abb), X(0x7ff58125), X(0x036f8a51), X(0x7ff4319d), + X(0x03a1c960), X(0x7ff2ce5b), X(0x03d407df), X(0x7ff1575d), + X(0x040645c7), X(0x7fefcca4), X(0x04388310), X(0x7fee2e30), + X(0x046abfb3), X(0x7fec7c02), X(0x049cfba7), X(0x7feab61a), + X(0x04cf36e5), X(0x7fe8dc78), X(0x05017165), X(0x7fe6ef1c), + X(0x0533ab20), X(0x7fe4ee06), X(0x0565e40d), X(0x7fe2d938), + X(0x05981c26), X(0x7fe0b0b1), X(0x05ca5361), X(0x7fde7471), + X(0x05fc89b8), X(0x7fdc247a), X(0x062ebf22), X(0x7fd9c0ca), + X(0x0660f398), X(0x7fd74964), X(0x06932713), X(0x7fd4be46), + X(0x06c5598a), X(0x7fd21f72), X(0x06f78af6), X(0x7fcf6ce8), + X(0x0729bb4e), X(0x7fcca6a7), X(0x075bea8c), X(0x7fc9ccb2), + X(0x078e18a7), X(0x7fc6df08), X(0x07c04598), X(0x7fc3dda9), + X(0x07f27157), X(0x7fc0c896), X(0x08249bdd), X(0x7fbd9fd0), + X(0x0856c520), X(0x7fba6357), X(0x0888ed1b), X(0x7fb7132b), + X(0x08bb13c5), X(0x7fb3af4e), X(0x08ed3916), X(0x7fb037bf), + X(0x091f5d06), X(0x7facac7f), X(0x09517f8f), X(0x7fa90d8e), + X(0x0983a0a7), X(0x7fa55aee), X(0x09b5c048), X(0x7fa1949e), + X(0x09e7de6a), X(0x7f9dbaa0), X(0x0a19fb04), X(0x7f99ccf4), + X(0x0a4c1610), X(0x7f95cb9a), X(0x0a7e2f85), X(0x7f91b694), + X(0x0ab0475c), X(0x7f8d8de1), X(0x0ae25d8d), X(0x7f895182), + X(0x0b147211), X(0x7f850179), X(0x0b4684df), X(0x7f809dc5), + X(0x0b7895f0), X(0x7f7c2668), X(0x0baaa53b), X(0x7f779b62), + X(0x0bdcb2bb), X(0x7f72fcb4), X(0x0c0ebe66), X(0x7f6e4a5e), + X(0x0c40c835), X(0x7f698461), X(0x0c72d020), X(0x7f64aabf), + X(0x0ca4d620), X(0x7f5fbd77), X(0x0cd6da2d), X(0x7f5abc8a), + X(0x0d08dc3f), X(0x7f55a7fa), X(0x0d3adc4e), X(0x7f507fc7), + X(0x0d6cda53), X(0x7f4b43f2), X(0x0d9ed646), X(0x7f45f47b), + X(0x0dd0d01f), X(0x7f409164), X(0x0e02c7d7), X(0x7f3b1aad), + X(0x0e34bd66), X(0x7f359057), X(0x0e66b0c3), X(0x7f2ff263), + X(0x0e98a1e9), X(0x7f2a40d2), X(0x0eca90ce), X(0x7f247ba5), + X(0x0efc7d6b), X(0x7f1ea2dc), X(0x0f2e67b8), X(0x7f18b679), + X(0x0f604faf), X(0x7f12b67c), X(0x0f923546), X(0x7f0ca2e7), + X(0x0fc41876), X(0x7f067bba), X(0x0ff5f938), X(0x7f0040f6), + X(0x1027d784), X(0x7ef9f29d), X(0x1059b352), X(0x7ef390ae), + X(0x108b8c9b), X(0x7eed1b2c), X(0x10bd6356), X(0x7ee69217), + X(0x10ef377d), X(0x7edff570), X(0x11210907), X(0x7ed94538), + X(0x1152d7ed), X(0x7ed28171), X(0x1184a427), X(0x7ecbaa1a), + X(0x11b66dad), X(0x7ec4bf36), X(0x11e83478), X(0x7ebdc0c6), + X(0x1219f880), X(0x7eb6aeca), X(0x124bb9be), X(0x7eaf8943), + X(0x127d7829), X(0x7ea85033), X(0x12af33ba), X(0x7ea1039b), + X(0x12e0ec6a), X(0x7e99a37c), X(0x1312a230), X(0x7e922fd6), + X(0x13445505), X(0x7e8aa8ac), X(0x137604e2), X(0x7e830dff), + X(0x13a7b1bf), X(0x7e7b5fce), X(0x13d95b93), X(0x7e739e1d), + X(0x140b0258), X(0x7e6bc8eb), X(0x143ca605), X(0x7e63e03b), + X(0x146e4694), X(0x7e5be40c), X(0x149fe3fc), X(0x7e53d462), + X(0x14d17e36), X(0x7e4bb13c), 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X(0x579e81b8), X(0x5d4f883b), + X(0x57c31f92), X(0x5d2d189a), X(0x57e7afe4), X(0x5d0a9a9a), + X(0x580c32a7), X(0x5ce80e41), X(0x5830a7d6), X(0x5cc57394), + X(0x58550f6c), X(0x5ca2ca99), X(0x58796962), X(0x5c801354), + X(0x589db5b3), X(0x5c5d4dcc), X(0x58c1f45b), X(0x5c3a7a05), + X(0x58e62552), X(0x5c179806), X(0x590a4893), X(0x5bf4a7d2), + X(0x592e5e19), X(0x5bd1a971), X(0x595265df), X(0x5bae9ce7), + X(0x59765fde), X(0x5b8b8239), X(0x599a4c12), X(0x5b68596d), + X(0x59be2a74), X(0x5b452288), X(0x59e1faff), X(0x5b21dd90), + X(0x5a05bdae), X(0x5afe8a8b), X(0x5a29727b), X(0x5adb297d), + X(0x5a4d1960), X(0x5ab7ba6c), X(0x5a70b258), X(0x5a943d5e), +}; + diff --git a/apps/codecs/libwma/misc.h b/apps/codecs/libwma/misc.h new file mode 100644 index 0000000..59760bf --- /dev/null +++ b/apps/codecs/libwma/misc.h @@ -0,0 +1,291 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * + * * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * + * * + ******************************************************************** + + function: miscellaneous math and prototypes + + ********************************************************************/ + +//#include "config-tremor.h" + +#ifndef _V_RANDOM_H_ +#define _V_RANDOM_H_ +//#include "ivorbiscodec.h" +//#include "os_types.h" + +//#include "asm_arm.h" +//#include "asm_mcf5249.h" + + +/* Some prototypes that were not defined elsewhere */ +//void *_vorbis_block_alloc(vorbis_block *vb,long bytes); +//void _vorbis_block_ripcord(vorbis_block *vb); +//extern int _ilog(unsigned int v); + +#ifndef _V_WIDE_MATH +#define _V_WIDE_MATH + +#ifndef _LOW_ACCURACY_ +/* 64 bit multiply */ +/* #include <sys/types.h> */ + +#if BYTE_ORDER==LITTLE_ENDIAN +union magic { + struct { + ogg_int32_t lo; + ogg_int32_t hi; + } halves; + ogg_int64_t whole; +}; +#elif BYTE_ORDER==BIG_ENDIAN +union magic { + struct { + ogg_int32_t hi; + ogg_int32_t lo; + } halves; + ogg_int64_t whole; +}; +#endif + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + union magic magic; + magic.whole = (ogg_int64_t)x * y; + return magic.halves.hi; +} +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return MULT32(x,y)<<1; +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + union magic magic; + magic.whole = (ogg_int64_t)x * y; + return ((ogg_uint32_t)(magic.halves.lo)>>15) | ((magic.halves.hi)<<17); +} + +#else +/* 32 bit multiply, more portable but less accurate */ + +/* + * Note: Precision is biased towards the first argument therefore ordering + * is important. Shift values were chosen for the best sound quality after + * many listening tests. + */ + +/* + * For MULT32 and MULT31: The second argument is always a lookup table + * value already preshifted from 31 to 8 bits. We therefore take the + * opportunity to save on text space and use unsigned char for those + * tables in this case. + */ + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + return (x >> 9) * y; /* y preshifted >>23 */ +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return (x >> 8) * y; /* y preshifted >>23 */ +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + return (x >> 6) * y; /* y preshifted >>9 */ +} +#endif + +/* + * This should be used as a memory barrier, forcing all cached values in + * registers to wr writen back to memory. Might or might not be beneficial + * depending on the architecture and compiler. + */ +#define MB() + +/* + * The XPROD functions are meant to optimize the cross products found all + * over the place in mdct.c by forcing memory operation ordering to avoid + * unnecessary register reloads as soon as memory is being written to. + * However this is only beneficial on CPUs with a sane number of general + * purpose registers which exclude the Intel x86. On Intel, better let the + * compiler actually reload registers directly from original memory by using + * macros. + */ + +/* replaced XPROD32 with a macro to avoid memory reference + _x, _y are the results (must be l-values) */ +#define XPROD32(_a, _b, _t, _v, _x, _y) \ + { (_x)=MULT32(_a,_t)+MULT32(_b,_v); \ + (_y)=MULT32(_b,_t)-MULT32(_a,_v); } + + +#ifdef __i386__ + +#define XPROD31(_a, _b, _t, _v, _x, _y) \ + { *(_x)=MULT31(_a,_t)+MULT31(_b,_v); \ + *(_y)=MULT31(_b,_t)-MULT31(_a,_v); } +#define XNPROD31(_a, _b, _t, _v, _x, _y) \ + { *(_x)=MULT31(_a,_t)-MULT31(_b,_v); \ + *(_y)=MULT31(_b,_t)+MULT31(_a,_v); } + +#else + +static inline void XPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + *x = MULT31(a, t) + MULT31(b, v); + *y = MULT31(b, t) - MULT31(a, v); +} + +static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + *x = MULT31(a, t) - MULT31(b, v); + *y = MULT31(b, t) + MULT31(a, v); +} +#endif + +#ifndef _V_VECT_OPS +#define _V_VECT_OPS + +static inline +void vect_add(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + while (n>0) { + *x++ += *y++; + n--; + } +} + +static inline +void vect_copy(ogg_int32_t *x, ogg_int32_t *y, int n) +{ + while (n>0) { + *x++ = *y++; + n--; + } +} + +static inline +void vect_mult_fw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + while(n>0) { + *data = MULT31(*data, *window); + data++; + window++; + n--; + } +} + +static inline +void vect_mult_bw(ogg_int32_t *data, LOOKUP_T *window, int n) +{ + while(n>0) { + *data = MULT31(*data, *window); + data++; + window--; + n--; + } +} +#endif + +#endif + +#ifndef _V_CLIP_MATH +#define _V_CLIP_MATH + +static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) { + int ret=x; + ret-= ((x<=32767)-1)&(x-32767); + ret-= ((x>=-32768)-1)&(x+32768); + return(ret); +} + +#endif + +static inline ogg_int32_t VFLOAT_MULT(ogg_int32_t a,ogg_int32_t ap, + ogg_int32_t b,ogg_int32_t bp, + ogg_int32_t *p){ + if(a && b){ +#ifndef _LOW_ACCURACY_ + *p=ap+bp+32; + return MULT32(a,b); +#else + *p=ap+bp+31; + return (a>>15)*(b>>16); +#endif + }else + return 0; +} + +/*static inline ogg_int32_t VFLOAT_MULTI(ogg_int32_t a,ogg_int32_t ap, + ogg_int32_t i, + ogg_int32_t *p){ + + int ip=_ilog(abs(i))-31; + return VFLOAT_MULT(a,ap,i<<-ip,ip,p); +} +*/ +static inline ogg_int32_t VFLOAT_ADD(ogg_int32_t a,ogg_int32_t ap, + ogg_int32_t b,ogg_int32_t bp, + ogg_int32_t *p){ + + if(!a){ + *p=bp; + return b; + }else if(!b){ + *p=ap; + return a; + } + + /* yes, this can leak a bit. */ + if(ap>bp){ + int shift=ap-bp+1; + *p=ap+1; + a>>=1; + if(shift<32){ + b=(b+(1<<(shift-1)))>>shift; + }else{ + b=0; + } + }else{ + int shift=bp-ap+1; + *p=bp+1; + b>>=1; + if(shift<32){ + a=(a+(1<<(shift-1)))>>shift; + }else{ + a=0; + } + } + + a+=b; + if((a&0xc0000000)==0xc0000000 || + (a&0xc0000000)==0){ + a<<=1; + (*p)--; + } + return(a); +} + +#ifdef __GNUC__ +#if __GNUC__ >= 3 +#define EXPECT(a, b) __builtin_expect((a), (b)) +#else +#define EXPECT(a, b) (a) +#endif +#else +#define EXPECT(a, b) (a) +#endif + +#endif + + + diff --git a/apps/codecs/libwma/wmadeci.c b/apps/codecs/libwma/wmadeci.c index a9c2ee8..b09dd0e 100644 --- a/apps/codecs/libwma/wmadeci.c +++ b/apps/codecs/libwma/wmadeci.c @@ -28,6 +28,7 @@ #include "wmadec.h" #include "wmafixed.h" #include "bitstream.h" +#include "mdct2.h" #define VLCBITS 7 /*7 is the lowest without glitching*/ @@ -589,12 +590,16 @@ int wma_decode_init(WMADecodeContext* s, asf_waveformatex_t *wfx) } } - mdct_init_global(); + /*Not using the ffmpeg IMDCT anymore*/ + + /* mdct_init_global(); for(i = 0; i < s->nb_block_sizes; ++i) { ff_mdct_init(&s->mdct_ctx[i], s->frame_len_bits - i + 1, 1); + } + */ /*ffmpeg uses malloc to only allocate as many window sizes as needed. However, we're really only interested in the worst case memory usage. * In the worst case you can have 5 window sizes, 128 doubling up 2048 @@ -1207,8 +1212,10 @@ static int wma_decode_block(WMADecodeContext *s) n=0; /* - * Previously the IMDCT was run in 17.15 precision to avoid overflow. However rare files could - * overflow here as well, so switch to 17.15 during coefs calculation. + * The calculation of coefs has a shift right by 2 built in. This prepares samples + * for the Tremor IMDCT which uses a slightly different fixed format then the ffmpeg one. + * If the old ffmpeg imdct is used, each shift storing into coefs should be reduced by 1. + * See SVN logs for details. */ @@ -1223,7 +1230,7 @@ static int wma_decode_block(WMADecodeContext *s) /* very low freqs : noise */ for(i = 0;i < s->coefs_start; ++i) { - *coefs++ = fixmul32( (fixmul32(s->noise_table[s->noise_index],(*exponents++))>>4),Fixed32From64(mult1)) >>1; + *coefs++ = fixmul32( (fixmul32(s->noise_table[s->noise_index],(*exponents++))>>4),Fixed32From64(mult1)) >>2; s->noise_index = (s->noise_index + 1) & (NOISE_TAB_SIZE - 1); } @@ -1284,7 +1291,7 @@ static int wma_decode_block(WMADecodeContext *s) { noise = s->noise_table[s->noise_index]; s->noise_index = (s->noise_index + 1) & (NOISE_TAB_SIZE - 1); - *coefs++ = fixmul32((fixmul32(*exponents,noise)>>4),Fixed32From64(mult1)) >>1; + *coefs++ = fixmul32((fixmul32(*exponents,noise)>>4),Fixed32From64(mult1)) >>2; ++exponents; } } @@ -1299,7 +1306,7 @@ static int wma_decode_block(WMADecodeContext *s) /*don't forget to renormalize the noise*/ temp1 = (((int32_t)*coefs1++)<<16) + (noise>>4); - temp2 = fixmul32(*exponents, mult>>17); + temp2 = fixmul32(*exponents, mult>>18); *coefs++ = fixmul32(temp1, temp2); ++exponents; } @@ -1311,8 +1318,8 @@ static int wma_decode_block(WMADecodeContext *s) mult2 = fixmul32(mult>>16,exponents[-1]) ; /*the work around for 32.32 vars are getting stupid*/ for (i = 0; i < n; ++i) { - /*renormalize the noise product and then reduce to 17.15 precison*/ - *coefs++ = fixmul32(s->noise_table[s->noise_index],mult2) >>5; + /*renormalize the noise product and then reduce to 14.18 precison*/ + *coefs++ = fixmul32(s->noise_table[s->noise_index],mult2) >>6; s->noise_index = (s->noise_index + 1) & (NOISE_TAB_SIZE - 1); } @@ -1334,7 +1341,7 @@ static int wma_decode_block(WMADecodeContext *s) for(i = 0;i < n; ++i) { - atemp = (coefs1[i] * mult3)>>1; + atemp = (coefs1[i] * mult3)>>2; /*ffmpeg imdct needs 15.17, while tremor 14.18*/ *coefs++=fixmul32(atemp,exponents[i<<bsize>>esize]); } n = s->block_len - s->coefs_end[bsize]; @@ -1379,9 +1386,13 @@ static int wma_decode_block(WMADecodeContext *s) n = s->block_len; n4 = s->block_len >>1; - ff_imdct_calc(&s->mdct_ctx[bsize], - output, - (*(s->coefs))[ch]); + /*faster IMDCT from Vorbis*/ + mdct_backward( (1 << (12-bsize)), (int*)(*(s->coefs))[ch], (int*)output); + + /*slower but more easily understood IMDCT from FFMPEG*/ + //ff_imdct_calc(&s->mdct_ctx[bsize], + // output, + // (*(s->coefs))[ch]); /* add in the frame */ diff --git a/apps/codecs/libwma/wmafixed.h b/apps/codecs/libwma/wmafixed.h index 198e79e..fb31cf8 100644 --- a/apps/codecs/libwma/wmafixed.h +++ b/apps/codecs/libwma/wmafixed.h @@ -142,67 +142,3 @@ static inline fixed32 fixmul32b(fixed32 x, fixed32 y) #endif -#ifdef CPU_ARM -static inline -void CMUL(fixed32 *x, fixed32 *y, - fixed32 a, fixed32 b, - fixed32 t, fixed32 v) -{ - /* This version loses one bit of precision. Could be solved at the cost - * of 2 extra cycles if it becomes an issue. */ - int x1, y1, l; - asm( - "smull %[l], %[y1], %[b], %[t] \n" - "smlal %[l], %[y1], %[a], %[v] \n" - "rsb %[b], %[b], #0 \n" - "smull %[l], %[x1], %[a], %[t] \n" - "smlal %[l], %[x1], %[b], %[v] \n" - : [l] "=&r" (l), [x1]"=&r" (x1), [y1]"=&r" (y1), [b] "+r" (b) - : [a] "r" (a), [t] "r" (t), [v] "r" (v) - : "cc" - ); - *x = x1 << 1; - *y = y1 << 1; -} -#elif defined CPU_COLDFIRE -static inline -void CMUL(fixed32 *x, fixed32 *y, - fixed32 a, fixed32 b, - fixed32 t, fixed32 v) -{ - asm volatile ("mac.l %[a], %[t], %%acc0;" - "msac.l %[b], %[v], %%acc0;" - "mac.l %[b], %[t], %%acc1;" - "mac.l %[a], %[v], %%acc1;" - "movclr.l %%acc0, %[a];" - "move.l %[a], (%[x]);" - "movclr.l %%acc1, %[a];" - "move.l %[a], (%[y]);" - : [a] "+&r" (a) - : [x] "a" (x), [y] "a" (y), - [b] "r" (b), [t] "r" (t), [v] "r" (v) - : "cc", "memory"); -} -#else -static inline -void CMUL(fixed32 *pre, - fixed32 *pim, - fixed32 are, - fixed32 aim, - fixed32 bre, - fixed32 bim) -{ - //int64_t x,y; - fixed32 _aref = are; - fixed32 _aimf = aim; - fixed32 _bref = bre; - fixed32 _bimf = bim; - fixed32 _r1 = fixmul32b(_bref, _aref); - fixed32 _r2 = fixmul32b(_bimf, _aimf); - fixed32 _r3 = fixmul32b(_bref, _aimf); - fixed32 _r4 = fixmul32b(_bimf, _aref); - *pre = _r1 - _r2; - *pim = _r3 + _r4; - -} -#endif diff --git a/apps/codecs/wma.c b/apps/codecs/wma.c index f395139..8019f87 100644 --- a/apps/codecs/wma.c +++ b/apps/codecs/wma.c @@ -392,7 +392,7 @@ static int get_timestamp(int *duration) datap += 4; *duration = get_short_le(datap); - /*the get_timestamp function advances us 12-13 bytes past the packet start, + /*the get_timestamp function advances us 12-13 bytes past the packet start, need to undo this here so that we stay synced with the packet*/ ci->seek_buffer(ci->curpos-bytesread); @@ -470,7 +470,7 @@ enum codec_status codec_main(void) /* Generic codec initialisation */ ci->configure(CODEC_SET_FILEBUF_WATERMARK, 1024*512); - ci->configure(DSP_SET_SAMPLE_DEPTH, 30); + ci->configure(DSP_SET_SAMPLE_DEPTH, 29); next_track: @@ -505,7 +505,7 @@ restart_track: if (resume_offset > ci->id3->first_frame_offset) { /* Get start of current packet */ - int packet_offset = (resume_offset - ci->id3->first_frame_offset) + int packet_offset = (resume_offset - ci->id3->first_frame_offset) % wfx.packet_size; ci->seek_buffer(resume_offset - packet_offset); elapsedtime = get_timestamp(&i); |