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author	Boris Gjenero <dreamlayers@rockbox.org>	2012-10-22 21:30:01 +0200
committer	Marcin Bukat <marcin.bukat@gmail.com>	2012-10-24 14:02:41 +0200
commit	c975de1534f4b4092ad75f85353eec32a9a31b92 (patch)
tree	611c581d6ce81b6575f8b20ec8cd795e85ccb298 /apps/plugins/lua/ltable.c
parent	8ad8473d814c4ce4db62d35759939f1fae146361 (diff)
download	rockbox-c975de1534f4b4092ad75f85353eec32a9a31b92.zip rockbox-c975de1534f4b4092ad75f85353eec32a9a31b92.tar.gz rockbox-c975de1534f4b4092ad75f85353eec32a9a31b92.tar.bz2 rockbox-c975de1534f4b4092ad75f85353eec32a9a31b92.tar.xz

SH gcc 4.6.3 with link-time optimization, for Archos targets

This is work from FS#12431 synced to current HEAD and slightly tweaked (gcc 4.6.2 -> 4.6.3, binutils 2.21.1 -> 2.22) Change-Id: I76af91e80ac2a9c16a776c7f0a33cc51603bbf9b

Diffstat (limited to 'apps/plugins/lua/ltable.c')

0 files changed, 0 insertions, 0 deletions

/* ** 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 ** 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 ** forbidden. ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. ** ** $Id$ **/ #ifndef __BITS_H__ #define __BITS_H__ #ifdef __cplusplus extern "C" { #endif #include "analysis.h" #ifdef ANALYSIS #include <stdio.h> #endif #define BYTE_NUMBIT 8 #define bit2byte(a) ((a+7)/BYTE_NUMBIT) typedef struct _bitfile { /* bit input */ uint32_t bufa; uint32_t bufb; uint32_t bits_left; uint32_t buffer_size; /* size of the buffer in bytes */ uint32_t bytes_used; uint8_t no_more_reading; uint8_t error; uint32_t *tail; uint32_t *start; void *buffer; } bitfile; #if defined (_WIN32) && !defined(_WIN32_WCE) && !defined(__MINGW32__) #define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax #elif defined(LINUX) || defined(DJGPP) || defined(__MINGW32__) #define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) ) #else #define BSWAP(a) \ ((a) = ( ((a)&0xff)<<24) | (((a)&0xff00)<<8) | (((a)>>8)&0xff00) | (((a)>>24)&0xff)) #endif static uint32_t bitmask[] = { 0x0, 0x1, 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0x1FFFF, 0x3FFFF, 0x7FFFF, 0xFFFFF, 0x1FFFFF, 0x3FFFFF, 0x7FFFFF, 0xFFFFFF, 0x1FFFFFF, 0x3FFFFFF, 0x7FFFFFF, 0xFFFFFFF, 0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF /* added bitmask 32, correct?!?!?! */ , 0xFFFFFFFF }; void faad_initbits(bitfile *ld, const void *buffer, const uint32_t buffer_size); void faad_endbits(bitfile *ld); void faad_initbits_rev(bitfile *ld, void *buffer, uint32_t bits_in_buffer); uint8_t faad_byte_align(bitfile *ld); uint32_t faad_get_processed_bits(bitfile *ld); void faad_flushbits_ex(bitfile *ld, uint32_t bits); void faad_rewindbits(bitfile *ld); uint8_t *faad_getbitbuffer(bitfile *ld, uint32_t bits DEBUGDEC); #ifdef DRM void *faad_origbitbuffer(bitfile *ld); uint32_t faad_origbitbuffer_size(bitfile *ld); #endif /* circumvent memory alignment errors on ARM */ static INLINE uint32_t getdword(void *mem) { #ifdef ARM uint32_t tmp; #ifndef ARCH_IS_BIG_ENDIAN ((uint8_t*)&tmp)[0] = ((uint8_t*)mem)[3]; ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[2]; ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[1]; ((uint8_t*)&tmp)[3] = ((uint8_t*)mem)[0]; #else ((uint8_t*)&tmp)[0] = ((uint8_t*)mem)[0]; ((uint8_t*)&tmp)[1] = ((uint8_t*)mem)[1]; ((uint8_t*)&tmp)[2] = ((uint8_t*)mem)[2]; ((uint8_t*)&tmp)[3] = ((uint8_t*)mem)[3]; #endif return tmp; #else uint32_t tmp; tmp = *(uint32_t*)mem; #ifndef ARCH_IS_BIG_ENDIAN BSWAP(tmp); #endif return tmp; #endif } static INLINE uint32_t faad_showbits(bitfile *ld, uint32_t bits) { if (bits <= ld->bits_left) { return (ld->bufa >> (ld->bits_left - bits)) & bitmask[bits]; } bits -= ld->bits_left; return ((ld->bufa & bitmask[ld->bits_left]) << bits) | (ld->bufb >> (32 - bits)); } static INLINE void faad_flushbits(bitfile *ld, uint32_t bits) { /* do nothing if error */ if (ld->error != 0) return; if (bits < ld->bits_left) { ld->bits_left -= bits; } else { faad_flushbits_ex(ld, bits); } } /* return next n bits (right adjusted) */ static uint32_t faad_getbits(bitfile *ld, uint32_t n DEBUGDEC) { uint32_t ret; if (ld->no_more_reading || n == 0) return 0; ret = faad_showbits(ld, n); faad_flushbits(ld, n); #ifdef ANALYSIS if (print) fprintf(stdout, "%4d %2d bits, val: %4d, variable: %d %s\n", dbg_count++, n, ret, var, dbg); #endif return ret; } static INLINE uint8_t faad_get1bit(bitfile *ld DEBUGDEC) { uint8_t r; if (ld->bits_left > 0) { ld->bits_left--; r = (uint8_t)((ld->bufa >> ld->bits_left) & 1); return r; } /* bits_left == 0 */ #if 0 r = (uint8_t)(ld->bufb >> 31); faad_flushbits_ex(ld, 1); #else r = (uint8_t)faad_getbits(ld, 1); #endif return r; } /* reversed bitreading routines */ static INLINE uint32_t faad_showbits_rev(bitfile *ld, uint32_t bits) { uint8_t i; uint32_t B = 0; if (bits <= ld->bits_left) { for (i = 0; i < bits; i++) { if (ld->bufa & (1 << (i + (32 - ld->bits_left)))) B |= (1 << (bits - i - 1)); } return B; } else { for (i = 0; i < ld->bits_left; i++) { if (ld->bufa & (1 << (i + (32 - ld->bits_left)))) B |= (1 << (bits - i - 1)); } for (i = 0; i < bits - ld->bits_left; i++) { if (ld->bufb & (1 << (i + (32-ld->bits_left)))) B |= (1 << (bits - ld->bits_left - i - 1)); } return B; } } static INLINE void faad_flushbits_rev(bitfile *ld, uint32_t bits) { /* do nothing if error */ if (ld->error != 0) return; if (bits < ld->bits_left) { ld->bits_left -= bits; } else { uint32_t tmp; ld->bufa = ld->bufb; tmp = getdword(ld->start); ld->bufb = tmp; ld->start--; ld->bits_left += (32 - bits); ld->bytes_used += 4; if (ld->bytes_used == ld->buffer_size) ld->no_more_reading = 1; if (ld->bytes_used > ld->buffer_size) ld->error = 1; } } static INLINE uint32_t faad_getbits_rev(bitfile *ld, uint32_t n DEBUGDEC) { uint32_t ret; if (ld->no_more_reading) return 0; if (n == 0) return 0; ret = faad_showbits_rev(ld, n); faad_flushbits_rev(ld, n); #ifdef ANALYSIS if (print) fprintf(stdout, "%4d %2d bits, val: %4d, variable: %d %s\n", dbg_count++, n, ret, var, dbg); #endif return ret; } #ifdef DRM static uint8_t faad_check_CRC(bitfile *ld, uint16_t len) { uint8_t CRC; uint16_t r=255; /* Initialize to all ones */ /* CRC polynome used x^8 + x^4 + x^3 + x^2 +1 */ #define GPOLY 0435 faad_rewindbits(ld); CRC = (uint8_t) ~faad_getbits(ld, 8 DEBUGVAR(1,999,"faad_check_CRC(): CRC")); /* CRC is stored inverted */ for (; len>0; len--) { r = ( (r << 1) ^ (( ( faad_get1bit(ld DEBUGVAR(1,998,"")) & 1) ^ ((r >> 7) & 1)) * GPOLY )) & 0xFF; } if (r != CRC) { return 8; } else { return 0; } } static uint8_t tabFlipbits[256] = { 0,128,64,192,32,160,96,224,16,144,80,208,48,176,112,240, 8,136,72,200,40,168,104,232,24,152,88,216,56,184,120,248, 4,132,68,196,36,164,100,228,20,148,84,212,52,180,116,244, 12,140,76,204,44,172,108,236,28,156,92,220,60,188,124,252, 2,130,66,194,34,162,98,226,18,146,82,210,50,178,114,242, 10,138,74,202,42,170,106,234,26,154,90,218,58,186,122,250, 6,134,70,198,38,166,102,230,22,150,86,214,54,182,118,246,


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