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| author | Thom Johansen <thomj@rockbox.org> | 2006-04-04 19:08:54 +0000 |
|---|---|---|
| committer | Thom Johansen <thomj@rockbox.org> | 2006-04-04 19:08:54 +0000 |
| commit | d3fea146e1724f52bc6d34e671f4446a8b381f27 (patch) | |
| tree | 0ab03ae1a7afe683010dc47f685330da35198051 /apps/plugins/mp3_encoder.c | |
| parent | 89725765721ad27c6ac47c79e428fbcdad2f122b (diff) | |
| download | rockbox-d3fea146e1724f52bc6d34e671f4446a8b381f27.zip rockbox-d3fea146e1724f52bc6d34e671f4446a8b381f27.tar.gz rockbox-d3fea146e1724f52bc6d34e671f4446a8b381f27.tar.bz2 rockbox-d3fea146e1724f52bc6d34e671f4446a8b381f27.tar.xz | |
MP3 encoder enhancements and optimisations by Antonius Hellman. Details
at http://www.rockbox.org/tracker/task/5033
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9498 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/mp3_encoder.c')
| -rw-r--r-- | apps/plugins/mp3_encoder.c | 3582 |
1 files changed, 2017 insertions, 1565 deletions
diff --git a/apps/plugins/mp3_encoder.c b/apps/plugins/mp3_encoder.c index e5b7cc8..b31f428 100644 --- a/apps/plugins/mp3_encoder.c +++ b/apps/plugins/mp3_encoder.c @@ -1,44 +1,21 @@ -/* Shine is an MP3 encoder - * Copyright (C) 1999-2000 Gabriel Bouvigne +/* Shine is an MP3 encoder + * Copyright (C) 1999-2000 Gabriel Bouvigne * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. * - * This library 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 - * Library General Public License for more details. */ - -#define samp_per_frame 1152 -#define samp_per_frame2 576 -#define HAN_SIZE 512 -#define SBLIMIT 32 -#define WAVE_RIFF_PCM 0 -#define MAX_CHANNELS 2 -#define MAX_GRANULES 2 -#define HTN 34 -#define true 1 -#define false 0 -#define uint32 unsigned int -#define uint16 unsigned short -#define uint8 unsigned char -#define enct8 unsigned char -#ifndef bool -#define bool int -#endif - -enum e_byte_order { order_unknown, order_bigEndian, order_littleEndian }; + * This library 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 + * Library General Public License for more details. */ #include "plugin.h" -#define PFILE int* -#define memcpy rb->memcpy -#define memset rb->memset PLUGIN_HEADER -static struct plugin_api* rb; +static struct plugin_api* rb; #ifdef USE_IRAM extern char iramcopy[]; @@ -48,242 +25,461 @@ extern char iedata[]; extern char iend[]; #endif -typedef struct { - PFILE file; - int channels; - int bits; - long samplerate; - long total_samples; - long length; -} wave_t; +#define SAMP_PER_FRAME 1152 +#define SAMPL2 576 +#define SBLIMIT 32 +#define HTN 16 +#define memcpy rb->memcpy +#define memset rb->memset +#define putlong(c, s) if(s+sz <= 32) { cc = (cc << s) | c; sz+= s; } \ + else { putbits(cc, sz); cc = c; sz = s; } + +enum e_byte_order { order_unknown, order_bigEndian, order_littleEndian }; + +typedef unsigned long uint32; +typedef unsigned short uint16; +typedef unsigned char uint8; + typedef struct { - int type; - int layr; - int mode; - int bitr; - int emph; - int padding; - long bits_per_frame; - long bitrate_index; - int samplerate_index; - int crc; - int ext; - int mode_ext; - int copyright; - int original; + int type; /* 0=(22.05,24,16kHz) 1=(44.1,48,32kHz) */ + int mode; /* 0=stereo, 1=jstereo, 2=dual, 3=mono */ + int bitrate; + int padding; + int num_bands; + long bitr_id; + int smpl_id; } mpeg_t; +/* Side information */ typedef struct { - enum e_byte_order byte_order; - char* infile; - wave_t wave; - char* outfile; - mpeg_t mpeg; -} config_t; + uint32 part2_3_length; + int count1; /* number of 0-1-quadruples */ + uint32 global_gain; + uint32 table_select[4]; + uint32 region_0_1; + uint32 address1; + uint32 address2; + uint32 address3; + long quantStep; + long additStep; + long max_val; +} side_info_t; typedef struct { - int bitpos; - uint32 bbuf[257]; -} BF_Data; + enum e_byte_order byte_order; + side_info_t cod_info[2][2]; + mpeg_t mpg; + long frac_per_frame; + long byte_per_frame; + long slot_lag; + int sideinfo_len; + int mean_bits; + int ResvSize; + int channels; + int granules; + int resample; + long samplerate; +} config_t; -/* Side information */ typedef struct { - unsigned part2_3_length; - unsigned big_values; - int count1; - unsigned global_gain; - unsigned table_select[4]; - unsigned region0_count; - unsigned region1_count; - unsigned address1; - unsigned address2; - unsigned address3; - long quantizerStepSize; -} side_info_t; + int bitpos; /* current bitpos for writing */ + uint32 bbuf[263]; +} BF_Data; struct huffcodetab { - int xlen; /*max. x-index+ */ - int ylen; /*max. y-index+ */ - int linbits; /*number of linbits */ - int linmax; /*max number stored in linbits */ - const uint16 *table; /*pointer to array[xlen][ylen] */ - const uint8 *hlen; /*pointer to array[xlen][ylen] */ + int len; /* max. index */ + const uint8 *table; /* pointer to array[len][len] */ + const uint8 *hlen; /* pointer to array[len][len] */ }; -/* !!!!!!!! start of IRAM area: do not insert before x_int1 array !!!!!!!!!!!!! */ -short x_int0 [HAN_SIZE] IBSS_ATTR; /* 1024 Bytes */ -int mdct_freq [2][2][samp_per_frame2] IBSS_ATTR; /* 9216 Bytes */ -short x_int1 [HAN_SIZE] IBSS_ATTR; /* 1024 Bytes */ -/* !!!!!!!!!!!!!!!!!!!!! here you may insert other data !!!!!!!!!!!!!!!!!!!!!!! */ -uint8 int2idx [4096] IBSS_ATTR; /* 4096 Bytes */ -enct8 enc_data [2][2][samp_per_frame2] IBSS_ATTR; /* 4608 Bytes */ -short y_int [64] IBSS_ATTR; /* 256 Bytes */ -int off [2] IBSS_ATTR; /* 16 Bytes */ -int scalefac_long[23] IBSS_ATTR; /* 96 Bytes */ -int mdct_in [36] IBSS_ATTR; /* 144 Bytes */ -int sb_sample [2][3][18][SBLIMIT] IBSS_ATTR; /* 13824 Bytes */ -BF_Data CodedData IBSS_ATTR; /* 1040 Bytes */ -int ca_int [8] IBSS_ATTR; /* 32 Bytes */ -int cs_int [8] IBSS_ATTR; /* 32 Bytes */ -int win_int [18][36] IBSS_ATTR; /* 2592 Bytes */ -short filter_int [SBLIMIT][64] IBSS_ATTR; /* 8192 Bytes */ -short enwindow_int[512] IBSS_ATTR; /* 1024 Bytes */ -uint8 ht_count1 [2][2][16] IBSS_ATTR; /* 64 Bytes */ -uint16 t1HB [ 4] IBSS_ATTR; /* Bytes */ -uint16 t2HB [ 9] IBSS_ATTR; /* Bytes */ -uint16 t3HB [ 9] IBSS_ATTR; /* Bytes */ -uint16 t5HB [ 16] IBSS_ATTR; /* Bytes */ -uint16 t6HB [ 16] IBSS_ATTR; /* Bytes */ -uint16 t7HB [ 36] IBSS_ATTR; /* Bytes */ -uint16 t8HB [ 36] IBSS_ATTR; /* Bytes */ -uint16 t9HB [ 36] IBSS_ATTR; /* Bytes */ -uint16 t10HB [ 64] IBSS_ATTR; /* Bytes */ -uint16 t11HB [ 64] IBSS_ATTR; /* Bytes */ -uint16 t12HB [ 64] IBSS_ATTR; /* Bytes */ -uint16 t13HB [256] IBSS_ATTR; /* Bytes */ -uint16 t15HB [256] IBSS_ATTR; /* Bytes */ -uint16 t16HB [256] IBSS_ATTR; /* Bytes */ -uint16 t24HB [256] IBSS_ATTR; /* Bytes */ -uint8 t1l [ 4] IBSS_ATTR; /* Bytes */ -uint8 t2l [ 9] IBSS_ATTR; /* Bytes */ -uint8 t3l [ 9] IBSS_ATTR; /* Bytes */ -uint8 t5l [ 16] IBSS_ATTR; /* Bytes */ -uint8 t6l [ 16] IBSS_ATTR; /* Bytes */ -uint8 t7l [ 36] IBSS_ATTR; /* Bytes */ -uint8 t8l [ 36] IBSS_ATTR; /* Bytes */ -uint8 t9l [ 36] IBSS_ATTR; /* Bytes */ -uint8 t10l [ 64] IBSS_ATTR; /* Bytes */ -uint8 t11l [ 64] IBSS_ATTR; /* Bytes */ -uint8 t12l [ 64] IBSS_ATTR; /* Bytes */ -uint8 t13l [256] IBSS_ATTR; /* Bytes */ -uint8 t15l [256] IBSS_ATTR; /* Bytes */ -uint8 t16l [256] IBSS_ATTR; /* Bytes */ -uint8 t24l [256] IBSS_ATTR; /* Bytes */ -struct huffcodetab ht [HTN] IBSS_ATTR; /* Bytes */ - -static const uint8 ht_count1_const[2][2][16] = +struct huffcodebig { + int len; /* max. index */ + int linbits; /* number of linbits */ + int linmax; /* max number stored in linbits */ +}; + +#define shft4(x) ((x + 8) >> 4) +#define shft9(x) ((x + 256) >> 9) +#define shft13(x) ((x + 4096) >> 13) +#define shft15(x) ((x + 16384) >> 15) +#define shft16(x) ((x + 32768) >> 16) +#define shft_n(x,n) ((x) >> n) +#define SQRT 724 /* sqrt(2) * 512 */ + +short mfbuf [2*(1152+512)] IBSS_ATTR; /* 3328 Bytes */ +int sb_data [2][2][18][SBLIMIT] IBSS_ATTR; /* 13824 Bytes */ +int mdct_freq [SAMPL2] IBSS_ATTR; /* 9216 Bytes */ +short enc_data [SAMPL2] IBSS_ATTR; /* 4608 Bytes */ +uint32 scalefac [23] IBSS_ATTR; /* 92 Bytes */ +BF_Data CodedData IBSS_ATTR; /* 1056 Bytes */ +int ca [8] IBSS_ATTR; /* 32 Bytes */ +int cs [8] IBSS_ATTR; /* 32 Bytes */ +int cx [9] IBSS_ATTR; /* 36 Bytes */ +int win [18][4] IBSS_ATTR; /* 288 Bytes */ +short enwindow [15*27+24] IBSS_ATTR; /* 862 Bytes */ +short int2idx [4096] IBSS_ATTR; /* 8192 Bytes */ +uint8 ht_count [2][2][16] IBSS_ATTR; /* 64 Bytes */ +uint32 tab01 [ 16] IBSS_ATTR; /* 64 Bytes */ +uint32 tab23 [ 9] IBSS_ATTR; /* 36 Bytes */ +uint32 tab56 [ 16] IBSS_ATTR; /* 64 Bytes */ +uint32 tab1315 [256] IBSS_ATTR; /* 1024 Bytes */ +uint32 tab1624 [256] IBSS_ATTR; /* 1024 Bytes */ +uint32 tab789 [ 36] IBSS_ATTR; /* 144 Bytes */ +uint32 tabABC [ 64] IBSS_ATTR; /* 256 Bytes */ +uint8 t1HB [ 4] IBSS_ATTR; +uint8 t2HB [ 9] IBSS_ATTR; +uint8 t3HB [ 9] IBSS_ATTR; +uint8 t5HB [ 16] IBSS_ATTR; +uint8 t6HB [ 16] IBSS_ATTR; +uint8 t7HB [ 36] IBSS_ATTR; +uint8 t8HB [ 36] IBSS_ATTR; +uint8 t9HB [ 36] IBSS_ATTR; +uint8 t10HB [ 64] IBSS_ATTR; +uint8 t11HB [ 64] IBSS_ATTR; +uint8 t12HB [ 64] IBSS_ATTR; +uint8 t13HB [256] IBSS_ATTR; +uint8 t15HB [256] IBSS_ATTR; +uint16 t16HB [256] IBSS_ATTR; +uint16 t24HB [256] IBSS_ATTR; +uint8 t1l [ 8] IBSS_ATTR; +uint8 t2l [ 9] IBSS_ATTR; +uint8 t3l [ 9] IBSS_ATTR; +uint8 t5l [ 16] IBSS_ATTR; +uint8 t6l [ 16] IBSS_ATTR; +uint8 t7l [ 36] IBSS_ATTR; +uint8 t8l [ 36] IBSS_ATTR; +uint8 t9l [ 36] IBSS_ATTR; +uint8 t10l [ 64] IBSS_ATTR; +uint8 t11l [ 64] IBSS_ATTR; +uint8 t12l [ 64] IBSS_ATTR; +uint8 t13l [256] IBSS_ATTR; +uint8 t15l [256] IBSS_ATTR; +uint8 t16l [256] IBSS_ATTR; +uint8 t24l [256] IBSS_ATTR; +struct huffcodetab ht [HTN] IBSS_ATTR; + +static const uint8 ht_count_const[2][2][16] = { { { 1, 5, 4, 5, 6, 5, 4, 4, 7, 3, 6, 0, 7, 2, 3, 1 }, /* table0 */ { 1, 5, 5, 7, 5, 8, 7, 9, 5, 7, 7, 9, 7, 9, 9,10 } }, /* hleng0 */ { {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }, /* table1 */ { 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 } } }; /* hleng1 */ -static const uint16 t1HB_const[4] = {1, 1, 1, 0}; -static const uint16 t2HB_const[9] = {1, 2, 1, 3, 1, 1, 3, 2, 0}; -static const uint16 t3HB_const[9] = {3, 2, 1, 1, 1, 1, 3, 2, 0}; -static const uint16 t5HB_const[16] = {1, 2, 6, 5, 3, 1, 4, 4, 7, 5, 7, 1, 6, 1, 1, 0}; -static const uint16 t6HB_const[16] = {7, 3, 5, 1, 6, 2, 3, 2, 5, 4, 4, 1, 3, 3, 2, 0}; -static const uint16 t7HB_const[36] = {1, 2, 10, 19, 16, 10, 3, 3, 7, 10, 5, 3, 11, 4, 13, 17, 8, 4, 12, 11, 18, 15, 11, 2, 7, 6, 9, 14, 3, 1, 6, 4, 5, 3, 2, 0}; -static const uint16 t8HB_const[36] = {3, 4, 6, 18, 12, 5, 5, 1, 2, 16, 9, 3, 7, 3, 5, 14, 7, 3, 19, 17, 15, 13, 10, 4, 13, 5, 8, 11, 5, 1, 12, 4, 4, 1, 1, 0}; -static const uint16 t9HB_const[36] = {7, 5, 9, 14, 15, 7, 6, 4, 5, 5, 6, 7, 7, 6, 8, 8, 8, 5, 15, 6, 9, 10, 5, 1, 11, 7, 9, 6, 4, 1, 14, 4, 6, 2, 6, 0}; -static const uint16 t10HB_const[64] = {1, 2, 10, 23, 35, 30, 12, 17, 3, 3, 8, 12, 18, 21, 12, 7, 11, 9, 15, 21, 32, 40, 19, 6, 14, 13, 22, 34, 46, 23, 18, 7, 20, 19, 33, 47, 27, 22, 9, 3, 31, 22, 41, 26, 21, 20, 5, 3, 14, 13, 10, 11, 16, 6, 5, 1, 9, 8, 7, 8, 4 , 4, 2, 0}; -static const uint16 t11HB_const[64] = {3, 4, 10, 24, 34, 33, 21, 15, 5, 3, 4, 10, 32, 17, 11, 10, 11, 7, 13, 18, 30, 31, 20, 5, 25, 11, 19, 59, 27, 18, 12, 5, 35, 33, 31, 58, 30, 16, 7, 5, 28, 26, 32, 19, 17, 15, 8, 14, 14, 12, 9, 13, 14, 9, 4, 1, 11, 4, 6, 6, 6, 3, 2, 0}; -static const uint16 t12HB_const[64] = {9, 6, 16, 33, 41, 39, 38, 26, 7, 5, 6, 9, 23, 16, 26, 11, 17, 7, 11, 14, 21, 30, 10, 7, 17, 10, 15, 12, 18, 28, 14, 5, 32, 13, 22, 19, 18, 16, 9, 5, 40, 17, 31, 29, 17, 13, 4, 2, 27, 12, 11, 15, 10, 7, 4, 1, 27, 12, 8, 12 , 6, 3, 1, 0}; -static const uint16 t13HB_const[256] = {1, 5, 14, 21, 34, 51, 46, 71, 42, 52, 68, 52, 67, 44, 43, 19, 3, 4, 12, 19, 31, 26, 44, 33, 31, 24, 32, 24, 31, 35, 22, 14, 15, 13, 23, 36, 59, 49, 77, 65, 29, 40, 30, 40, 27, 33, 42, 16, 22, - 20, 37, 61, 56, 79, 73, 64, 43, 76, 56, 37, 26, 31, 25, 14, 35, 16, 60, 57, 97, 75, 114, 91, 54, 73, 55, 41, 48, 53, 23, 24, 58, 27, 50, 96, 76, 70, 93, 84, 77, 58, 79, 29, 74, 49, 41, 17, 47, - 45, 78, 74, 115, 94, 90, 79, 69, 83, 71, 50, 59, 38, 36, 15, 72, 34, 56, 95, 92, 85, 91, 90, 86, 73, 77, 65, 51, 44, 43, 42, 43, 20, 30, 44, 55, 78, 72, 87, 78, 61, 46, 54, 37, 30, 20, 16, 53, - 25, 41, 37, 44, 59, 54, 81, 66, 76, 57, 54, 37, 18, 39, 11, 35, 33, 31, 57, 42, 82, 72, 80, 47, 58, 55, 21, 22, 26, 38, 22, 53, 25, 23, 38, 70, 60, 51, 36, 55, 26, 34, 23, 27, 14, 9, 7, 34, 32, - 28, 39, 49, 75, 30, 52, 48, 40, 52, 28, 18, 17, 9, 5, 45, 21, 34, 64, 56, 50, 49, 45, 31, 19, 12, 15, 10, 7, 6, 3, 48, 23, 20, 39, 36, 35, 53, 21, 16, 23, 13, 10, 6, 1, 4, 2, 16, 15, 17, 27, 25, - 20, 29, 11, 17, 12, 16, 8, 1, 1, 0, 1}; -static const uint16 t15HB_const[256] = {7, 12, 18, 53, 47, 76, 124, 108, 89, 123, 108, 119, 107, 81, 122, 63, 13, 5, 16, 27, 46, 36, 61, 51, 42, 70, 52, 83, 65, 41, 59, 36, 19, 17, 15, 24, 41, 34, 59, 48, 40, 64, 50, 78, 62, 80, 56, - 33, 29, 28, 25, 43, 39, 63, 55, 93, 76, 59, 93, 72, 54, 75, 50, 29, 52, 22, 42, 40, 67, 57, 95, 79, 72, 57, 89, 69, 49, 66, 46, 27, 77, 37, 35, 66, 58, 52, 91, 74, 62, 48, 79, 63, 90, 62, 40, 38, - 125, 32, 60, 56, 50, 92, 78, 65, 55, 87, 71, 51, 73, 51, 70, 30, 109, 53, 49, 94, 88, 75, 66, 122, 91, 73, 56, 42, 64, 44, 21, 25, 90, 43, 41, 77, 73, 63, 56, 92, 77, 66, 47, 67, 48, 53, 36, 20, - 71, 34, 67, 60, 58, 49, 88, 76, 67, 106, 71, 54, 38, 39, 23, 15, 109, 53, 51, 47, 90, 82, 58, 57, 48, 72, 57, 41, 23, 27, 62, 9, 86, 42, 40, 37, 70, 64, 52, 43, 70, 55, 42, 25, 29, 18, 11, 11, - 118, 68, 30, 55, 50, 46, 74, 65, 49, 39, 24, 16, 22, 13, 14, 7, 91, 44, 39, 38, 34, 63, 52, 45, 31, 52, 28, 19, 14, 8, 9, 3, 123, 60, 58, 53, 47, 43, 32, 22, 37, 24, 17, 12, 15, 10, 2, 1, 71, - 37, 34, 30, 28, 20, 17, 26, 21, 16, 10, 6, 8, 6, 2, 0}; -static const uint16 t16HB_const[256] = {1, 5, 14, 44, 74, 63, 110, 93, 172, 149, 138, 242, 225, 195, 376, 17, 3, 4, 12, 20, 35, 62, 53, 47, 83, 75, 68, 119, 201, 107, 207, 9, 15, 13, 23, 38, 67, 58, 103, 90, 161, 72, 127, 117, - 110, 209, 206, 16, 45, 21, 39, 69, 64, 114, 99, 87, 158, 140, 252, 212, 199, 387, 365, 26, 75, 36, 68, 65, 115, 101, 179, 164, 155, 264, 246, 226, 395, 382, 362, 9, 66, 30, 59, 56, 102, - 185, 173, 265, 142, 253, 232, 400, 388, 378, 445, 16, 111, 54, 52, 100, 184, 178, 160, 133, 257, 244, 228, 217, 385, 366, 715, 10, 98, 48, 91, 88, 165, 157, 148, 261, 248, 407, 397, 372, - 380, 889, 884, 8, 85, 84, 81, 159, 156, 143, 260, 249, 427, 401, 392, 383, 727, 713, 708, 7, 154, 76, 73, 141, 131, 256, 245, 426, 406, 394, 384, 735, 359, 710, 352, 11, 139, 129, 67, 125, - 247, 233, 229, 219, 393, 743, 737, 720, 885, 882, 439, 4, 243, 120, 118, 115, 227, 223, 396, 746, 742, 736, 721, 712, 706, 223, 436, 6, 202, 224, 222, 218, 216, 389, 386, 381, 364, 888, - 443, 707, 440, 437, 1728, 4, 747, 211, 210, 208, 370, 379, 734, 723, 714, 1735, 883, 877, 876, 3459, 865, 2, 377, 369, 102, 187, 726, 722, 358, 711, 709, 866, 1734, 871, 3458, 870, 434, - 0, 12, 10, 7, 11, 10, 17, 11, 9, 13, 12, 10, 7, 5, 3, 1, 3}; -static const uint16 t24HB_const[256] = {15, 13, 46, 80, 146, 262, 248, 434, 426, 669, 653, 649, 621, 517, 1032, 88, 14, 12, 21, 38, 71, 130, 122, 216, 209, 198, 327, 345, 319, 297, 279, 42, 47, 22, 41, 74, 68, 128, 120, 221, - 207, 194, 182, 340, 315, 295, 541, 18, 81, 39, 75, 70, 134, 125, 116, 220, 204, 190, 178, 325, 311, 293, 271, 16, 147, 72, 69, 135, 127, 118, 112, 210, 200, 188, 352, 323, 306, 285, - 540, 14, 263, 66, 129, 126, 119, 114, 214, 202, 192, 180, 341, 317, 301, 281, 262, 12, 249, 123, 121, 117, 113, 215, 206, 195, 185, 347, 330, 308, 291, 272, 520, 10, 435, 115, 111, - 109, 211, 203, 196, 187, 353, 332, 313, 298, 283, 531, 381, 17, 427, 212, 208, 205, 201, 193, 186, 177, 169, 320, 303, 286, 268, 514, 377, 16, 335, 199, 197, 191, 189, 181, 174, 333, - 321, 305, 289, 275, 521, 379, 371, 11, 668, 184, 183, 179, 175, 344, 331, 314, 304, 290, 277, 530, 383, 373, 366, 10, 652, 346, 171, 168, 164, 318, 309, 299, 287, 276, 263, 513, 375, - 368, 362, 6, 648, 322, 316, 312, 307, 302, 292, 284, 269, 261, 512, 376, 370, 364, 359, 4, 620, 300, 296, 294, 288, 282, 273, 266, 515, 380, 374, 369, 365, 361, 357, 2, 1033, 280, 278, - 274, 267, 264, 259, 382, 378, 372, 367, 363, 360, 358, 356, 0, 43, 20, 19, 17, 15, 13, 11, 9, 7, 6, 4, 7, 5, 3, 1, 3}; - -static const uint8 t1l_const[4] = {1, 3, 2, 3}; -static const uint8 t2l_const[9] = {1, 3, 6, 3, 3, 5, 5, 5, 6}; -static const uint8 t3l_const[9] = {2, 2, 6, 3, 2, 5, 5, 5, 6}; -static const uint8 t5l_const[16] = {1, 3, 6, 7, 3, 3, 6, 7, 6, 6, 7, 8, 7, 6, 7, 8}; -static const uint8 t6l_const[16] = {3, 3, 5, 7, 3, 2, 4, 5, 4, 4, 5, 6, 6, 5, 6, 7}; -static const uint8 t7l_const[36] = {1, 3, 6, 8, 8, 9, 3, 4, 6, 7, 7, 8, 6, 5, 7, 8, 8, 9, 7, 7, 8, 9, 9, 9, 7, 7, 8, 9, 9, 10, 8, 8, 9, 10, 10, 10}; -static const uint8 t8l_const[36] = {2, 3, 6, 8, 8, 9, 3, 2, 4, 8, 8, 8, 6, 4, 6, 8, 8, 9, 8, 8, 8, 9, 9, 10, 8, 7, 8, 9, 10, 10, 9, 8, 9, 9, 11, 11}; -static const uint8 t9l_const[36] = {3, 3, 5, 6, 8, 9, 3, 3, 4, 5, 6, 8, 4, 4, 5, 6, 7, 8, 6, 5, 6, 7, 7, 8, 7, 6, 7, 7, 8, 9, 8, 7, 8, 8, 9, 9}; -static const uint8 t10l_const[64] = {1, 3, 6, 8, 9, 9, 9, 10, 3, 4, 6, 7, 8, 9, 8, 8, 6, 6, 7, 8, 9, 10, 9, 9, 7, 7, 8, 9, 10, 10, 9, 10, 8, 8, 9, 10, 10, 10, 10, 10, 9, 9, 10, 10, 11, 11, 10, 11, 8, 8, 9, 10, 10, 10, 11, 11, 9, 8, 9, 10, 10, 11, 11, 11}; -static const uint8 t11l_const[64] = {2, 3, 5, 7, 8, 9, 8, 9, 3, 3, 4, 6, 8, 8, 7, 8, 5, 5, 6, 7, 8, 9, 8, 8, 7, 6, 7, 9, 8, 10, 8, 9, 8, 8, 8, 9, 9, 10, 9, 10, 8, 8, 9, 10, 10, 11, 10, 11, 8, 7, 7, 8, 9, 10, 10, 10, 8, 7, 8, 9, 10, 10, 10, 10}; -static const uint8 t12l_const[64] = {4, 3, 5, 7, 8, 9, 9, 9, 3, 3, 4, 5, 7, 7, 8, 8, 5, 4, 5, 6, 7, 8, 7, 8, 6, 5, 6, 6, 7, 8, 8, 8, 7, 6, 7, 7, 8, 8, 8, 9, 8, 7, 8, 8, 8, 9, 8, 9, 8, 7, 7, 8, 8, 9, 9, 10, 9, 8, 8, 9, 9, 9, 9, 10}; -static const uint8 t13l_const[256] = {1, 4, 6, 7, 8, 9, 9, 10, 9, 10, 11, 11, 12, 12, 13, 13, 3, 4, 6, 7, 8, 8, 9, 9, 9, 9, 10, 10, 11, 12, 12, 12, 6, 6, 7, 8, 9, 9, 10, 10, 9, 10, 10, 11, 11, 12, 13, 13, 7, 7, 8, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 13, 13, -8, 7, 9, 9, 10, 10, 11, 11, 10, 11, 11, 12, 12, 13, 13, 14, 9, 8, 9, 10, 10, 10, 11, 11, 11, 11, 12, 11, 13, 13, 14, 14, 9, 9, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 13, 13, 14, 14, 10, 9, 10, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 16, 16, 9, 8, 9, 10, -10, 11, 11, 12, 12, 12, 12, 13, 13, 14, 15, 15, 10, 9, 10, 10, 11, 11, 11, 13, 12, 13, 13, 14, 14, 14, 16, 15, 10, 10, 10, 11, 11, 12, 12, 13, 12, 13, 14, 13, 14, 15, 16, 17, 11, 10, 10, 11, 12, 12, 12, 12, 13, 13, 13, 14, 15, 15, 15, 16, 11, 11, 11, 12, 12, -13, 12, 13, 14, 14, 15, 15, 15, 16, 16, 16, 12, 11, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 16, 15, 16, 16, 13, 12, 12, 13, 13, 13, 15, 14, 14, 17, 15, 15, 15, 17, 16, 16, 12, 12, 13, 14, 14, 14, 15, 14, 15, 15, 16, 16, 19, 18, 19, 16}; -static const uint8 t15l_const[256] = {3, 4, 5, 7, 7, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 13, 4, 3, 5, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 11, 6, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 7, 6, 7, - 7, 8, 8, 9, 9, 9, 9, 10, 10, 10, 11, 11, 11, 8, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 11, 12, 9, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 11, 11, 12, 12, 9, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 12, 9, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, - 12, 12, 12, 9, 8, 9, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 10, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 12, 13, 12, 10, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 11, 10, 9, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 13, 13, -11, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 12, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 12, 13, 12, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13}; -static const uint8 t16l_const[256] = {1, 4, 6, 8, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 13, 9, 3, 4, 6, 7, 8, 9, 9, 9, 10, 10, 10, 11, 12, 11, 12, 8, 6, 6, 7, 8, 9, 9, 10, 10, 11, 10, 11, 11, 11, 12, 12, 9, 8, 7, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 12, 13, 13, - 10, 9, 8, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 9, 9, 8, 9, 9, 10, 11, 11, 12, 11, 12, 12, 13, 13, 13, 14, 10, 10, 9, 9, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 14, 10, 10, 9, 10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 13, 15, 15, 10, 10, 10, - 10, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 14, 10, 11, 10, 10, 11, 11, 12, 12, 13, 13, 13, 13, 14, 13, 14, 13, 11, 11, 11, 10, 11, 12, 12, 12, 12, 13, 14, 14, 14, 15, 15, 14, 10, 12, 11, 11, 11, 12, 12, 13, 14, 14, 14, 14, 14, 14, 13, 14, 11, 12, 12, - 12, 12, 12, 13, 13, 13, 13, 15, 14, 14, 14, 14, 16, 11, 14, 12, 12, 12, 13, 13, 14, 14, 14, 16, 15, 15, 15, 17, 15, 11, 13, 13, 11, 12, 14, 14, 13, 14, 14, 15, 16, 15, 17, 15, 14, 11, 9, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 8}; -static const uint8 t24l_const[256] = {4, 4, 6, 7, 8, 9, 9, 10, 10, 11, 11, 11, 11, 11, 12, 9, 4, 4, 5, 6, 7, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 8, 6, 5, 6, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10, 10, 11, 7, 7, 6, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 7, 8, 7, 7, 8, - 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 7, 9, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 7, 9, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 7, 10, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 8, 10, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, -8, 10, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 8, 11, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 8, 11, 10, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 8, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 8, 11, 10, 10, - 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 8, 12, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 4}; - -const struct huffcodetab ht_const[HTN] = -{ -{ 0, 0, 0, 0, NULL, NULL}, -{ 2, 2, 0, 0, t1HB, t1l}, -{ 3, 3, 0, 0, t2HB, t2l}, -{ 3, 3, 0, 0, t3HB, t3l}, -{ 0, 0, 0, 0, NULL, NULL},/* Apparently not used */ -{ 4, 4, 0, 0, t5HB, t5l}, -{ 4, 4, 0, 0, t6HB, t6l}, -{ 6, 6, 0, 0, t7HB, t7l}, -{ 6, 6, 0, 0, t8HB, t8l}, -{ 6, 6, 0, 0, t9HB, t9l}, -{ 8, 8, 0, 0,t10HB, t10l}, -{ 8, 8, 0, 0,t11HB, t11l}, -{ 8, 8, 0, 0,t12HB, t12l}, -{16,16, 0, 0,t13HB, t13l}, -{ 0, 0, 0, 0, NULL, NULL},/* Apparently not used */ -{16,16, 0, 0,t15HB, t15l}, -{16,16, 1, 1,t16HB, t16l}, -{16,16, 2, 3,t16HB, t16l}, -{16,16, 3, 7,t16HB, t16l}, -{16,16, 4, 15,t16HB, t16l}, -{16,16, 6, 63,t16HB, t16l}, -{16,16, 8, 255,t16HB, t16l}, -{16,16,10,1023,t16HB, t16l}, -{16,16,13,8191,t16HB, t16l}, -{16,16, 4, 15,t24HB, t24l}, -{16,16, 5, 31,t24HB, t24l}, -{16,16, 6, 63,t24HB, t24l}, -{16,16, 7, 127,t24HB, t24l}, -{16,16, 8, 255,t24HB, t24l}, -{16,16, 9, 511,t24HB, t24l}, -{16,16,11,2047,t24HB, t24l}, -{16,16,13,8191,t24HB, t24l} }; - -const struct +static const uint8 t1HB_const[4] = {1,1,1,0}; +static const uint8 t2HB_const[9] = {1,2,1,3,1,1,3,2,0}; +static const uint8 t3HB_const[9] = {3,2,1,1,1,1,3,2,0}; +static const uint8 t5HB_const[16] = {1,2,6,5,3,1,4,4,7,5,7,1,6,1,1,0}; +static const uint8 t6HB_const[16] = {7,3,5,1,6,2,3,2,5,4,4,1,3,3,2,0}; + +static const uint8 t7HB_const[36] = +{ 1, 2,10,19,16,10, 3, 3, 7,10, 5, 3,11, 4,13,17, 8, 4, + 12,11,18,15,11, 2, 7, 6, 9,14, 3, 1, 6, 4, 5, 3, 2, 0 }; + +static const uint8 t8HB_const[36] = +{ 3, 4, 6,18,12, 5, 5, 1, 2,16, 9, 3, 7, 3, 5,14, 7, 3, + 19,17,15,13,10, 4,13, 5, 8,11, 5, 1,12, 4, 4, 1, 1, 0 }; + +static const uint8 t9HB_const[36] = +{ 7, 5, 9,14,15, 7, 6, 4, 5, 5, 6, 7, 7, 6, 8, 8, 8, 5, + 15, 6, 9,10, 5, 1,11, 7, 9, 6, 4, 1,14, 4, 6, 2, 6, 0 }; + +static const uint8 t10HB_const[64] = +{1,2,10,23,35,30,12,17,3,3,8,12,18,21,12,7,11,9,15,21,32, + 40,19,6,14,13,22,34,46,23,18,7,20,19,33,47,27,22,9,3,31,22, + 41,26,21,20,5,3,14,13,10,11,16,6,5,1,9,8,7,8,4,4,2,0 }; + +static const uint8 t11HB_const[64] = +{3,4,10,24,34,33,21,15,5,3,4,10,32,17,11,10,11,7,13,18,30, + 31,20,5,25,11,19,59,27,18,12,5,35,33,31,58,30,16,7,5,28,26, + 32,19,17,15,8,14,14,12,9,13,14,9,4,1,11,4,6,6,6,3,2,0 }; + +static const uint8 t12HB_const[64] = +{9,6,16,33,41,39,38,26,7,5,6,9,23,16,26,11,17,7,11,14,21, +30,10,7,17,10,15,12,18,28,14,5,32,13,22,19,18,16,9,5,40,17, +31,29,17,13,4,2,27,12,11,15,10,7,4,1,27,12,8,12,6,3,1,0 }; + +static const uint8 t13HB_const[256] = +{1,5,14,21,34,51,46,71,42,52,68,52,67,44,43,19,3,4,12,19,31,26,44,33,31,24,32, + 24,31,35,22,14,15,13,23,36,59,49,77,65,29,40,30,40,27,33,42,16,22,20,37,61,56, + 79,73,64,43,76,56,37,26,31,25,14,35,16,60,57,97,75,114,91,54,73,55,41,48,53, + 23,24,58,27,50,96,76,70,93,84,77,58,79,29,74,49,41,17,47,45,78,74,115,94,90, + 79,69,83,71,50,59,38,36,15,72,34,56,95,92,85,91,90,86,73,77,65,51,44,43,42,43, + 20,30,44,55,78,72,87,78,61,46,54,37,30,20,16,53,25,41,37,44,59,54,81,66,76,57, + 54,37,18,39,11,35,33,31,57,42,82,72,80,47,58,55,21,22,26,38,22,53,25,23,38,70, + 60,51,36,55,26,34,23,27,14,9,7,34,32,28,39,49,75,30,52,48,40,52,28,18,17,9,5, + 45,21,34,64,56,50,49,45,31,19,12,15,10,7,6,3,48,23,20,39,36,35,53,21,16,23,13, + 10,6,1,4,2,16,15,17,27,25,20,29,11,17,12,16,8,1,1,0,1 }; + +static const uint8 t15HB_const[256] = +{7,12,18,53,47,76,124,108,89,123,108,119,107,81,122,63,13,5,16,27,46,36,61,51, + 42,70,52,83,65,41,59,36,19,17,15,24,41,34,59,48,40,64,50,78,62,80,56,33,29,28, + 25,43,39,63,55,93,76,59,93,72,54,75,50,29,52,22,42,40,67,57,95,79,72,57,89,69, + 49,66,46,27,77,37,35,66,58,52,91,74,62,48,79,63,90,62,40,38,125,32,60,56,50, + 92,78,65,55,87,71,51,73,51,70,30,109,53,49,94,88,75,66,122,91,73,56,42,64,44, + 21,25,90,43,41,77,73,63,56,92,77,66,47,67,48,53,36,20,71,34,67,60,58,49,88,76, + 67,106,71,54,38,39,23,15,109,53,51,47,90,82,58,57,48,72,57,41,23,27,62,9,86, + 42,40,37,70,64,52,43,70,55,42,25,29,18,11,11,118,68,30,55,50,46,74,65,49,39, + 24,16,22,13,14,7,91,44,39,38,34,63,52,45,31,52,28,19,14,8,9,3,123,60,58,53,47, + 43,32,22,37,24,17,12,15,10,2,1,71,37,34,30,28,20,17,26,21,16,10,6,8,6,2,0}; + +static const uint16 t16HB_const[256] = +{1,5,14,44,74,63,110,93,172,149,138,242,225,195,376,17,3,4,12,20,35,62,53,47, + 83,75,68,119,201,107,207,9,15,13,23,38,67,58,103,90,161,72,127,117,110,209, + 206,16,45,21,39,69,64,114,99,87,158,140,252,212,199,387,365,26,75,36,68,65, + 115,101,179,164,155,264,246,226,395,382,362,9,66,30,59,56,102,185,173,265,142, + 253,232,400,388,378,445,16,111,54,52,100,184,178,160,133,257,244,228,217,385, + 366,715,10,98,48,91,88,165,157,148,261,248,407,397,372,380,889,884,8,85,84,81, + 159,156,143,260,249,427,401,392,383,727,713,708,7,154,76,73,141,131,256,245, + 426,406,394,384,735,359,710,352,11,139,129,67,125,247,233,229,219,393,743,737, + 720,885,882,439,4,243,120,118,115,227,223,396,746,742,736,721,712,706,223,436, + 6,202,224,222,218,216,389,386,381,364,888,443,707,440,437,1728,4,747,211,210, + 208,370,379,734,723,714,1735,883,877,876,3459,865,2,377,369,102,187,726,722, + 358,711,709,866,1734,871,3458,870,434,0,12,10,7,11,10,17,11,9,13,12,10,7,5,3, + 1,3}; + +static const uint16 t24HB_const[256] = +{15,13,46,80,146,262,248,434,426,669,653,649,621,517,1032,88,14,12,21,38,71, + 130,122,216,209,198,327,345,319,297,279,42,47,22,41,74,68,128,120,221,207,194, + 182,340,315,295,541,18,81,39,75,70,134,125,116,220,204,190,178,325,311,293, + 271,16,147,72,69,135,127,118,112,210,200,188,352,323,306,285,540,14,263,66, + 129,126,119,114,214,202,192,180,341,317,301,281,262,12,249,123,121,117,113, + 215,206,195,185,347,330,308,291,272,520,10,435,115,111,109,211,203,196,187, + 353,332,313,298,283,531,381,17,427,212,208,205,201,193,186,177,169,320,303, + 286,268,514,377,16,335,199,197,191,189,181,174,333,321,305,289,275,521,379, + 371,11,668,184,183,179,175,344,331,314,304,290,277,530,383,373,366,10,652,346, + 171,168,164,318,309,299,287,276,263,513,375,368,362,6,648,322,316,312,307,302, + 292,284,269,261,512,376,370,364,359,4,620,300,296,294,288,282,273,266,515,380, + 374,369,365,361,357,2,1033,280,278,274,267,264,259,382,378,372,367,363,360, + 358,356,0,43,20,19,17,15,13,11,9,7,6,4,7,5,3,1,3}; + +static const uint32 tab1315_const[256] = +{ 0x010003,0x050005,0x070006,0x080008,0x090008,0x0a0009,0x0a000a,0x0b000a, + 0x0a000a,0x0b000b,0x0c000b,0x0c000c,0x0d000c,0x0d000c,0x0e000d,0x0e000e, + 0x040005,0x060005,0x080007,0x090008,0x0a0009,0x0a0009,0x0b000a,0x0b000a, + 0x0b000a,0x0b000b,0x0c000b,0x0c000c,0x0d000c,0x0e000c,0x0e000d,0x0e000d, + 0x070006,0x080007,0x090007,0x0a0008,0x0b0009,0x0b0009,0x0c000a,0x0c000a, + 0x0b000a,0x0c000b,0x0c000b,0x0d000c,0x0d000c,0x0e000d,0x0f000d,0x0f000d, + 0x080007,0x090008,0x0a0008,0x0b0009,0x0b0009,0x0c000a,0x0c000a,0x0c000b, + 0x0c000b,0x0d000b,0x0d000c,0x0d000c,0x0d000c,0x0e000d,0x0f000d,0x0f000d, + 0x090008,0x090008,0x0b0009,0x0b0009,0x0c000a,0x0c000a,0x0d000b,0x0d000b, + 0x0c000b,0x0d000b,0x0d000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000d, + 0x0a0009,0x0a0009,0x0b0009,0x0c000a,0x0c000a,0x0c000a,0x0d000b,0x0d000b, + 0x0d000b,0x0d000b,0x0e000c,0x0d000c,0x0f000d,0x0f000d,0x10000d,0x10000e, + 0x0a000a,0x0b0009,0x0c000a,0x0c000a,0x0d000a,0x0d000b,0x0d000b,0x0d000b, + 0x0d000b,0x0e000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000e,0x10000e, + 0x0b000a,0x0b000a,0x0c000a,0x0d000b,0x0d000b,0x0d000b,0x0e000b,0x0e000c, + 0x0e000c,0x0e000c,0x0f000c,0x0f000c,0x0f000d,0x10000d,0x12000d,0x12000e, + 0x0a000a,0x0a000a,0x0b000a,0x0c000b,0x0c000b,0x0d000b,0x0d000b,0x0e000c, + 0x0e000c,0x0e000c,0x0e000c,0x0f000d,0x0f000d,0x10000e,0x11000e,0x11000e, + 0x0b000a,0x0b000a,0x0c000b,0x0c000b,0x0d000b,0x0d000b,0x0d000c,0x0f000c, + 0x0e000c,0x0f000d,0x0f000d,0x10000d,0x10000d,0x10000e,0x12000e,0x11000e, + 0x0b000b,0x0c000b,0x0c000b,0x0d000b,0x0d000c,0x0e000c,0x0e000c,0x0f000c, + 0x0e000c,0x0f000d,0x10000d,0x0f000d,0x10000d,0x11000e,0x12000f,0x13000e, + 0x0c000b,0x0c000b,0x0c000b,0x0d000b,0x0e000c,0x0e000c,0x0e000c,0x0e000c, + 0x0f000d,0x0f000d,0x0f000d,0x10000d,0x11000e,0x11000e,0x11000e,0x12000f, + 0x0c000c,0x0d000c,0x0d000b,0x0e000c,0x0e000c,0x0f000c,0x0e000d,0x0f000d, + 0x10000d,0x10000d,0x11000d,0x11000d,0x11000e,0x12000e,0x12000f,0x12000f, + 0x0d000c,0x0d000c,0x0e000c,0x0f000c,0x0f000c,0x0f000d,0x10000d,0x10000d, + 0x10000d,0x10000e,0x10000e,0x11000e,0x12000e,0x11000e,0x12000f,0x12000f, + 0x0e000d,0x0e000d,0x0e000d,0x0f000d,0x0f000d,0x0f000d,0x11000d,0x10000d, + 0x10000e,0x13000e,0x11000e,0x11000e,0x11000f,0x13000f,0x12000e,0x12000f, + 0x0d000d,0x0e000d,0x0f000d,0x10000d,0x10000d,0x10000d,0x11000d,0x10000e, + 0x11000e,0x11000e,0x12000e,0x12000e,0x15000f,0x14000f,0x15000f,0x12000f }; + +static const uint32 tab01_const[16] = +{ 0x10004,0x50005,0x50005,0x70006,0x50005,0x80006,0x70006,0x90007, + 0x50005,0x70006,0x70006,0x90007,0x70006,0x90007,0x90007,0xa0008 }; + +static const uint32 tab23_const[ 9] = +{ 0x10002,0x40003,0x70007,0x40004,0x50004,0x70007,0x60006,0x70007,0x80008 }; + +static const uint32 tab56_const[16] = +{ 0x10003,0x40004,0x70006,0x80008,0x40004,0x50004,0x80006,0x90007, + 0x70005,0x80006,0x90007,0xa0008,0x80007,0x80007,0x90008,0xa0009 }; + +static const uint32 tab789_const[36] = +{0x00100803,0x00401004,0x00701c06,0x00902407,0x00902409,0x00a0280a,0x00401004, + 0x00601005,0x00801806,0x00902807,0x00902808,0x00a0280a,0x00701c05,0x00701806, + 0x00902007,0x00a02808,0x00a02809,0x00b02c0a,0x00802407,0x00902807,0x00a02808, + 0x00b02c09,0x00b02c09,0x00b0300a,0x00802408,0x00902408,0x00a02809,0x00b02c09, + 0x00b0300a,0x00c0300b,0x00902809,0x00a02809,0x00b02c0a,0x00c02c0a,0x00c0340b, + 0x00c0340b}; + +static const uint32 tabABC_const[64] = +{0x00100804,0x00401004,0x00701806,0x00902008,0x00a02409,0x00a0280a,0x00a0240a, + 0x00b0280a,0x00401004,0x00601405,0x00801806,0x00902007,0x00a02809,0x00b02809, + 0x00a0240a,0x00a0280a,0x00701806,0x00801c06,0x00902007,0x00a02408,0x00b02809, + 0x00c02c0a,0x00b02809,0x00b0280a,0x00802007,0x00902007,0x00a02408,0x00b02c08, + 0x00c02809,0x00c0300a,0x00b0280a,0x00c02c0a,0x00902408,0x00a02808,0x00b02809, + 0x00c02c09,0x00c02c0a,0x00c0300a,0x00c02c0a,0x00c0300b,0x00a02409,0x00b02809, + 0x00c02c0a,0x00c0300a,0x00d0300a,0x00d0340b,0x00c0300a,0x00d0340b,0x00902409, + 0x00a02409,0x00b02409,0x00c0280a,0x00c02c0a,0x00c0300b,0x00d0300b,0x00d0300c, + 0x00a0240a,0x00a0240a,0x00b0280a,0x00c02c0b,0x00c0300b,0x00d0300b,0x00d0300b, + 0x00d0300c}; + +static const uint32 tab1624_const[256] = +{0x00010004,0x00050005,0x00070007,0x00090008,0x000a0009,0x000a000a,0x000b000a, + 0x000b000b,0x000c000b,0x000c000c,0x000c000c,0x000d000c,0x000d000c,0x000d000c, + 0x000e000d,0x000a000a,0x00040005,0x00060006,0x00080007,0x00090008,0x000a0009, + 0x000b000a,0x000b000a,0x000b000b,0x000c000b,0x000c000b,0x000c000c,0x000d000c, + 0x000e000c,0x000d000c,0x000e000c,0x000a000a,0x00070007,0x00080007,0x00090008, + 0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000b,0x000d000b,0x000c000b, + 0x000d000b,0x000d000c,0x000d000c,0x000e000c,0x000e000d,0x000b0009,0x00090008, + 0x00090008,0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000a,0x000c000b, + 0x000d000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000f000c,0x000f000c, + 0x000c0009,0x000a0009,0x000a0009,0x000b0009,0x000b000a,0x000c000a,0x000c000a, + 0x000d000a,0x000d000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000f000c, + 0x000f000c,0x000f000d,0x000b0009,0x000a000a,0x000a0009,0x000b000a,0x000b000a, + 0x000c000a,0x000d000a,0x000d000b,0x000e000b,0x000d000b,0x000e000b,0x000e000c, + 0x000f000c,0x000f000c,0x000f000c,0x0010000c,0x000c0009,0x000b000a,0x000b000a, + 0x000b000a,0x000c000a,0x000d000a,0x000d000b,0x000d000b,0x000d000b,0x000e000b, + 0x000e000c,0x000e000c,0x000e000c,0x000f000c,0x000f000c,0x0010000d,0x000c0009, + 0x000b000b,0x000b000a,0x000c000a,0x000c000a,0x000d000b,0x000d000b,0x000d000b, + 0x000e000b,0x000e000c,0x000f000c,0x000f000c,0x000f000c,0x000f000c,0x0011000d, + 0x0011000d,0x000c000a,0x000b000b,0x000c000b,0x000c000b,0x000d000b,0x000d000b, + 0x000d000b,0x000e000b,0x000e000b,0x000f000b,0x000f000c,0x000f000c,0x000f000c, + 0x0010000c,0x0010000d,0x0010000d,0x000c000a,0x000c000b,0x000c000b,0x000c000b, + 0x000d000b,0x000d000b,0x000e000b,0x000e000b,0x000f000c,0x000f000c,0x000f000c, + 0x000f000c,0x0010000c,0x000f000d,0x0010000d,0x000f000d,0x000d000a,0x000c000c, + 0x000d000b,0x000c000b,0x000d000b,0x000e000b,0x000e000c,0x000e000c,0x000e000c, + 0x000f000c,0x0010000c,0x0010000c,0x0010000d,0x0011000d,0x0011000d,0x0010000d, + 0x000c000a,0x000d000c,0x000d000c,0x000d000b,0x000d000b,0x000e000b,0x000e000c, + 0x000f000c,0x0010000c,0x0010000c,0x0010000c,0x0010000c,0x0010000d,0x0010000d, + 0x000f000d,0x0010000d,0x000d000a,0x000d000c,0x000e000c,0x000e000c,0x000e000c, + 0x000e000c,0x000f000c,0x000f000c,0x000f000c,0x000f000c,0x0011000c,0x0010000d, + 0x0010000d,0x0010000d,0x0010000d,0x0012000d,0x000d000a,0x000f000c,0x000e000c, + 0x000e000c,0x000e000c,0x000f000c,0x000f000c,0x0010000c,0x0010000c,0x0010000d, + 0x0012000d,0x0011000d,0x0011000d,0x0011000d,0x0013000d,0x0011000d,0x000d000a, + 0x000e000d,0x000f000c,0x000d000c,0x000e000c,0x0010000c,0x0010000c,0x000f000c, + 0x0010000d,0x0010000d,0x0011000d,0x0012000d,0x0011000d,0x0013000d,0x0011000d, + 0x0010000d,0x000d000a,0x000a0009,0x000a0009,0x000a0009,0x000b0009,0x000b0009, + 0x000c0009,0x000c0009,0x000c0009,0x000d0009,0x000d0009,0x000d0009,0x000d000a, + 0x000d000a,0x000d000a,0x000d000a,0x000a0006}; + +static const uint8 t1l_const[8] = {1,3,2,3,1,4,3,5}; +static const uint8 t2l_const[9] = {1,3,6,3,3,5,5,5,6}; +static const uint8 t3l_const[9] = {2,2,6,3,2,5,5,5,6}; +static const uint8 t5l_const[16] = {1,3,6,7,3,3,6,7,6,6,7,8,7,6,7,8}; +static const uint8 t6l_const[16] = {3,3,5,7,3,2,4,5,4,4,5,6,6,5,6,7}; + +static const uint8 t7l_const[36] = +{1,3,6,8,8,9,3,4,6,7,7,8,6,5,7,8,8,9,7,7,8,9,9,9,7,7,8,9,9,10,8,8,9,10,10,10}; + +static const uint8 t8l_const[36] = +{2,3,6,8,8,9,3,2,4,8,8,8,6,4,6,8,8,9,8,8,8,9,9,10,8,7,8,9,10,10,9,8,9,9,11,11}; + +static const uint8 t9l_const[36] = +{3,3,5,6,8,9,3,3,4,5,6,8,4,4,5,6,7,8,6,5,6,7,7,8,7,6,7,7,8,9,8,7,8,8,9,9}; + +static const uint8 t10l_const[64] = +{1,3,6,8,9,9,9,10,3,4,6,7,8,9,8,8,6,6,7,8,9,10,9,9,7,7,8,9,10,10,9,10,8,8,9,10, + 10,10,10,10,9,9,10,10,11,11,10,11,8,8,9,10,10,10,11,11,9,8,9,10,10,11,11,11}; + +static const uint8 t11l_const[64] = +{2,3,5,7,8,9,8,9,3,3,4,6,8,8,7,8,5,5,6,7,8,9,8,8,7,6,7,9,8,10,8,9,8,8,8,9,9,10, + 9,10,8,8,9,10,10,11,10,11,8,7,7,8,9,10,10,10,8,7,8,9,10,10,10,10}; + +static const uint8 t12l_const[64] = +{4,3,5,7,8,9,9,9,3,3,4,5,7,7,8,8,5,4,5,6,7,8,7,8,6,5,6,6,7,8,8,8,7,6,7,7,8, + 8,8,9,8,7,8,8,8,9,8,9,8,7,7,8,8,9,9,10,9,8,8,9,9,9,9,10}; + +static const uint8 t13l_const[256] = +{1,4,6,7,8,9,9,10,9,10,11,11,12,12,13,13,3,4,6,7,8,8,9,9,9,9,10,10,11,12,12,12, + 6,6,7,8,9,9,10,10,9,10,10,11,11,12,13,13,7,7,8,9,9,10,10,10,10,11,11,11,11,12, + 13,13,8,7,9,9,10,10,11,11,10,11,11,12,12,13,13,14,9,8,9,10,10,10,11,11,11,11, + 12,11,13,13,14,14,9,9,10,10,11,11,11,11,11,12,12,12,13,13,14,14,10,9,10,11,11, + 11,12,12,12,12,13,13,13,14,16,16,9,8,9,10,10,11,11,12,12,12,12,13,13,14,15,15, + 10,9,10,10,11,11,11,13,12,13,13,14,14,14,16,15,10,10,10,11,11,12,12,13,12,13, + 14,13,14,15,16,17,11,10,10,11,12,12,12,12,13,13,13,14,15,15,15,16,11,11,11,12, + 12,13,12,13,14,14,15,15,15,16,16,16,12,11,12,13,13,13,14,14,14,14,14,15,16,15, + 16,16,13,12,12,13,13,13,15,14,14,17,15,15,15,17,16,16,12,12,13,14,14,14,15,14, + 15,15,16,16,19,18,19,16}; + +static const uint8 t15l_const[256] = +{3,4,5,7,7,8,9,9,9,10,10,11,11,11,12,13,4,3,5,6,7,7,8,8,8,9,9,10,10,10,11,11,5, + 5,5,6,7,7,8,8,8,9,9,10,10,11,11,11,6,6,6,7,7,8,8,9,9,9,10,10,10,11,11,11,7,6, + 7,7,8,8,9,9,9,9,10,10,10,11,11,11,8,7,7,8,8,8,9,9,9,9,10,10,11,11,11,12,9,7,8, + 8,8,9,9,9,9,10,10,10,11,11,12,12,9,8,8,9,9,9,9,10,10,10,10,10,11,11,11,12,9,8, + 8,9,9,9,9,10,10,10,10,11,11,12,12,12,9,8,9,9,9,9,10,10,10,11,11,11,11,12,12, + 12,10,9,9,9,10,10,10,10,10,11,11,11,11,12,13,12,10,9,9,9,10,10,10,10,11,11,11, + 11,12,12,12,13,11,10,9,10,10,10,11,11,11,11,11,11,12,12,13,13,11,10,10,10,10, + 11,11,11,11,12,12,12,12,12,13,13,12,11,11,11,11,11,11,11,12,12,12,12,13,13,12, + 13,12,11,11,11,11,11,11,12,12,12,12,12,13,13,13,13}; + +static const uint8 t16l_const[256] = +{1,4,6,8,9,9,10,10,11,11,11,12,12,12,13,9,3,4,6,7,8,9,9,9,10,10,10,11,12,11,12, + 8,6,6,7,8,9,9,10,10,11,10,11,11,11,12,12,9,8,7,8,9,9,10,10,10,11,11,12,12,12, + 13,13,10,9,8,9,9,10,10,11,11,11,12,12,12,13,13,13,9,9,8,9,9,10,11,11,12,11,12, + 12,13,13,13,14,10,10,9,9,10,11,11,11,11,12,12,12,12,13,13,14,10,10,9,10,10,11, + 11,11,12,12,13,13,13,13,15,15,10,10,10,10,11,11,11,12,12,13,13,13,13,14,14,14, + 10,11,10,10,11,11,12,12,13,13,13,13,14,13,14,13,11,11,11,10,11,12,12,12,12,13, + 14,14,14,15,15,14,10,12,11,11,11,12,12,13,14,14,14,14,14,14,13,14,11,12,12,12, + 12,12,13,13,13,13,15,14,14,14,14,16,11,14,12,12,12,13,13,14,14,14,16,15,15,15, + 17,15,11,13,13,11,12,14,14,13,14,14,15,16,15,17,15,14,11,9,8,8,9,9,10,10,10, + 11,11,11,11,11,11,11,8}; + +static const uint8 t24l_const[256] = +{4,4,6,7,8,9,9,10,10,11,11,11,11,11,12,9,4,4,5,6,7,8,8,9,9,9,10,10,10,10,10,8, + 6,5,6,7,7,8,8,9,9,9,9,10,10,10,11,7,7,6,7,7,8,8,8,9,9,9,9,10,10,10,10,7,8,7,7, + 8,8,8,8,9,9,9,10,10,10,10,11,7,9,7,8,8,8,8,9,9,9,9,10,10,10,10,10,7,9,8,8,8,8, + 9,9,9,9,10,10,10,10,10,11,7,10,8,8,8,9,9,9,9,10,10,10,10,10,11,11,8,10,9,9,9, + 9,9,9,9,9,10,10,10,10,11,11,8,10,9,9,9,9,9,9,10,10,10,10,10,11,11,11,8,11,9,9, + 9,9,10,10,10,10,10,10,11,11,11,11,8,11,10,9,9,9,10,10,10,10,10,10,11,11,11,11, + 8,11,10,10,10,10,10,10,10,10,10,11,11,11,11,11,8,11,10,10,10,10,10,10,10,11, + 11,11,11,11,11,11,8,12,10,10,10,10,10,10,11,11,11,11,11,11,11,11,8,8,7,7,7,7, + 7,7,7,7,7,7,8,8,8,8,4}; + +static const struct huffcodetab ht_const[HTN] = +{ { 0, NULL, NULL}, /* Apparently not used */ + { 2, t1HB, t1l}, + { 3, t2HB, t2l}, + { 3, t3HB, t3l}, + { 0, NULL, NULL}, /* Apparently not used */ + { 4, t5HB, t5l}, + { 4, t6HB, t6l}, + { 6, t7HB, t7l}, + { 6, t8HB, t8l}, + { 6, t9HB, t9l}, + { 8, t10HB, t10l}, + { 8, t11HB, t11l}, + { 8, t12HB, t12l}, + {16, t13HB, t13l}, + { 0, NULL, NULL}, /* Apparently not used */ + {16, t15HB, t15l} }; + +static const struct huffcodebig ht_big[HTN] = +{ { 16, 1, 1 }, + { 16, 2, 3 }, + { 16, 3, 7 }, + { 16, 4, 15 }, + { 16, 6, 63 }, + { 16, 8, 255 }, + { 16, 10, 1023 }, + { 16, 13, 8191 }, + { 16, 4, 15 }, + { 16, 5, 31 }, + { 16, 6, 63 }, + { 16, 7, 127 }, + { 16, 8, 255 }, + { 16, 9, 511 }, + { 16, 11, 2047 }, + { 16, 13, 8191 } }; + +static const struct { - unsigned region0_count; - unsigned region1_count; + uint32 region0_cnt; + uint32 region1_cnt; } subdv_table[23] = -{ {0, 0}, /* 0 bands */ - {0, 0}, /* 1 bands */ - {0, 0}, /* 2 bands */ - {0, 0}, /* 3 bands */ - {0, 0}, /* 4 bands */ - {0, 1}, /* 5 bands */ - {1, 1}, /* 6 bands */ - {1, 1}, /* 7 bands */ - {1, 2}, /* 8 bands */ - {2, 2}, /* 9 bands */ +{ {0, 0}, /* 0 bands */ + {0, 0}, /* 1 bands */ + {0, 0}, /* 2 bands */ + {0, 0}, /* 3 bands */ + {0, 0}, /* 4 bands */ + {0, 1}, /* 5 bands */ + {1, 1}, /* 6 bands */ + {1, 1}, /* 7 bands */ + {1, 2}, /* 8 bands */ + {2, 2}, /* 9 bands */ {2, 3}, /* 10 bands */ {2, 3}, /* 11 bands */ {3, 4}, /* 12 bands */ @@ -299,64 +495,7 @@ const struct {6, 7}, /* 22 bands */ }; -/* This is table B.9: coefficients for aliasing reduction */ -static const int ca_int_const[8] = {0xffffbe25,0xffffc39e,0xffffd7e3,0xffffe8b7,0xfffff3e5,0xfffffac2,0xfffffe2f,0xffffff87}; -static const int cs_int_const[8] = {0x00006dc2,0x000070dd,0x0000798d,0x00007ddd,0x00007f6d,0x00007fe4,0x00007ffd,0x00008000}; -static const int win_int_const[18][36] = { -{ 0x0000006b,0x00000121,0x000001a7,0x000001f9,0x00000215,0x000001f9,0x000001a7,0x00000121,0x0000006b,0xffffff8b,0xfffffe87,0xfffffd68,0xfffffc35,0xfffffaf9,0xfffff9bd,0xfffff88b,0xfffff76b,0xfffff667,0xfffff587,0xfffff4d1,0xfffff44b,0xfffff3f8,0xfffff3dd,0xfffff3f8,0xfffff44b,0xfffff4d1,0xfffff587,0xfffff667,0xfffff76b,0xfffff88b,0xfffff9bd,0xfffffaf9,0xfffffc35,0xfffffd68,0xfffffe87,0xffffff8b,}, -{ 0xffffff83,0xfffffe49,0xfffffcf3,0xfffffbc3,0xfffffaf9,0xfffffacb,0xfffffb5a,0xfffffcb0,0xfffffebf,0x0000015e,0x00000451,0x0000074d,0x00000a02,0x00000c23,0x00000d72,0x00000dc4,0x00000d06,0x00000b45,0x000008a6,0x00000565,0x000001cf,0xfffffe3b,0xfffffaf9,0xfffff853,0xfffff67c,0xfffff594,0xfffff59b,0xfffff67a,0xfffff801,0xfffff9f1,0xfffffc01,0xfffffdeb,0xffffff72,0x00000066,0x000000b5,0x00000060,}, -{ 0xffffffab,0xffffffc2,0x000000ec,0x000002e3,0x00000507,0x0000068f,0x000006c7,0x00000545,0x00000214,0xfffffdbc,0xfffff922,0xfffff55d,0xfffff366,0xfffff3dd,0xfffff6d7,0xfffffbd4,0x000001d7,0x000007a2,0x00000bfb,0x00000dfa,0x00000d3e,0x00000a00,0x00000507,0xffffff74,0xfffffa77,0xfffff70d,0xfffff5c4,0xfffff69f,0xfffff922,0xfffffc79,0xffffffb7,0x00000215,0x00000327,0x000002ef,0x000001d7,0x00000085,}, -{ 0x0000008c,0x000001d7,0x00000244,0x000000ec,0xfffffdeb,0xfffffa77,0xfffff85e,0xfffff922,0xfffffd1d,0x00000327,0x000008f3,0x00000bfb,0x00000aa3,0x00000507,0xfffffd11,0xfffff5c4,0xfffff206,0xfffff366,0xfffff971,0x000001d7,0x00000961,0x00000d3e,0x00000c23,0x000006c7,0xffffff7b,0xfffff922,0xfffff600,0xfffff6d7,0xfffffabb,0xffffffab,0x00000387,0x00000507,0x0000042c,0x00000214,0x0000003e,0xffffffb7,}, -{ 0x0000003c,0xffffff4b,0xfffffd28,0xfffffc0d,0xfffffdeb,0x00000283,0x0000070f,0x000007ff,0x000003ad,0xfffffbfd,0xfffff594,0xfffff4ec,0xfffffb2d,0x00000507,0x00000c88,0x00000cd4,0x00000565,0xfffffa91,0xfffff2e0,0xfffff2fa,0xfffffab0,0x00000530,0x00000c23,0x00000ba7,0x00000497,0xfffffbaf,0xfffff650,0xfffff720,0xfffffcb0,0x000002ec,0x00000611,0x00000507,0x000001a2,0xfffffed3,0xfffffe49,0xffffff6e,}, -{ 0xffffff69,0xfffffe87,0x00000022,0x0000039b,0x00000507,0x0000016b,0xfffffad7,0xfffff76b,0xfffffb91,0x000004d7,0x00000b2f,0x0000081a,0xfffffd46,0xfffff3dd,0xfffff490,0xffffff65,0x00000b2f,0x00000d8d,0x00000445,0xfffff76b,0xfffff221,0xfffff8b7,0x00000507,0x00000c50,0x000008d7,0xfffffe87,0xfffff6b3,0xfffff77b,0xfffffedf,0x000005a2,0x00000669,0x00000215,0xfffffdb4,0xfffffced,0xfffffedf,0x0000002f,}, -{ 0xffffffde,0x00000179,0x000002ba,0xffffffd1,0xfffffaf9,0xfffffb29,0x0000024c,0x00000895,0x00000529,0xfffffa5e,0xfffff4d1,0xfffffc65,0x0000094d,0x00000c23,0x00000097,0xfffff3b0,0xfffff4d1,0x00000313,0x00000ddf,0x00000895,0xfffff997,0xfffff273,0xfffffaf9,0x00000885,0x00000b70,0x00000179,0xfffff729,0xfffff7e6,0x00000121,0x00000749,0x0000046f,0xfffffdeb,0xfffffbbb,0xfffffe95,0x00000121,0x0000009b,}, -{ 0x0000009d,0x000000b5,0xfffffd8f,0xfffffc9c,0x00000215,0x00000682,0x000000ff,0xfffff801,0xfffffa27,0x00000662,0x00000a6c,0xfffffe70,0xfffff37f,0xfffffaf9,0x00000ac2,0x00000b04,0xfffffa9b,0xfffff1ea,0xfffffe26,0x00000d06,0x00000873,0xfffff7bf,0xfffff3dd,0x000001a5,0x00000be4,0x00000451,0xfffff7af,0xfffff861,0x00000350,0x00000793,0x000000db,0xfffffaf9,0xfffffd66,0x000001df,0x000001b7,0xffffffec,}, -{ 0x00000006,0xfffffe29,0xffffff56,0x00000414,0x00000215,0xfffffa2d,0xfffffbe5,0x000006de,0x0000067d,0xfffff8eb,0xfffff70d,0x00000671,0x00000b30,0xfffffaf9,0xfffff311,0x00000301,0x00000dfa,0xffffff62,0xfffff1cf,0xfffffe29,0x00000d8e,0x00000414,0xfffff3dd,0xfffffa2d,0x00000a1d,0x000006de,0xfffff845,0xfffff8eb,0x00000545,0x00000671,0xfffffcf8,0xfffffaf9,0x00000149,0x00000301,0xffffffc2,0xffffff62,}, -{ 0xffffff62,0x0000003e,0x00000301,0xfffffeb7,0xfffffaf9,0x00000308,0x00000671,0xfffffabb,0xfffff8eb,0x000007bb,0x000006de,0xfffff5e3,0xfffffa2d,0x00000c23,0x00000414,0xfffff272,0xfffffe29,0x00000e31,0xffffff62,0xfffff206,0x00000301,0x00000cef,0xfffffaf9,0xfffff4d0,0x00000671,0x000008f3,0xfffff8eb,0xfffff983,0x000006de,0x0000041b,0xfffffa2d,0xfffffdeb,0x00000414,0x000000aa,0xfffffe29,0xfffffffa,}, -{ 0x00000014,0x000001b7,0xfffffe21,0xfffffd66,0x00000507,0x000000db,0xfffff86d,0x00000350,0x0000079f,0xfffff7af,0xfffffbaf,0x00000be4,0xfffffe5b,0xfffff3dd,0x00000841,0x00000873,0xfffff2fa,0xfffffe26,0x00000e16,0xfffffa9b,0xfffff4fc,0x00000ac2,0x00000507,0xfffff37f,0x00000190,0x00000a6c,0xfffff99e,0xfffffa27,0x000007ff,0x000000ff,0xfffff97e,0x00000215,0x00000364,0xfffffd8f,0xffffff4b,0x0000009d,}, -{ 0x0000009b,0xfffffedf,0xfffffe95,0x00000445,0xfffffdeb,0xfffffb91,0x00000749,0xfffffedf,0xfffff7e6,0x000008d7,0x00000179,0xfffff490,0x00000885,0x00000507,0xfffff273,0x00000669,0x00000895,0xfffff221,0x00000313,0x00000b2f,0xfffff3b0,0xffffff69,0x00000c23,0xfffff6b3,0xfffffc65,0x00000b2f,0xfffffa5e,0xfffffad7,0x00000895,0xfffffdb4,0xfffffb29,0x00000507,0xffffffd1,0xfffffd46,0x00000179,0x00000022,}, -{ 0xffffffd1,0xfffffedf,0x00000313,0xfffffdb4,0xfffffdeb,0x00000669,0xfffffa5e,0xfffffedf,0x00000885,0xfffff6b3,0x00000179,0x000008d7,0xfffff3b0,0x00000507,0x00000749,0xfffff221,0x00000895,0x00000445,0xfffff273,0x00000b2f,0x0000009b,0xfffff490,0x00000c23,0xfffffd46,0xfffff7e6,0x00000b2f,0xfffffb29,0xfffffb91,0x00000895,0xfffffad7,0xfffffe95,0x00000507,0xfffffc65,0x00000022,0x00000179,0xffffff69,}, -{ 0xffffff6e,0x000001b7,0xfffffed3,0xfffffe5e,0x00000507,0xfffff9ef,0x000002ec,0x00000350,0xfffff720,0x000009b0,0xfffffbaf,0xfffffb69,0x00000ba7,0xfffff3dd,0x00000530,0x00000550,0xfffff2fa,0x00000d20,0xfffffa91,0xfffffa9b,0x00000cd4,0xfffff378,0x00000507,0x000004d3,0xfffff4ec,0x00000a6c,0xfffffbfd,0xfffffc53,0x000007ff,0xfffff8f1,0x00000283,0x00000215,0xfffffc0d,0x000002d8,0xffffff4b,0xffffffc4,}, -{ 0x00000049,0x0000003e,0xfffffdec,0x0000042c,0xfffffaf9,0x00000387,0x00000055,0xfffffabb,0x00000929,0xfffff600,0x000006de,0xffffff7b,0xfffff939,0x00000c23,0xfffff2c2,0x00000961,0xfffffe29,0xfffff971,0x00000c9a,0xfffff206,0x00000a3c,0xfffffd11,0xfffffaf9,0x00000aa3,0xfffff405,0x000008f3,0xfffffcd9,0xfffffd1d,0x000006de,0xfffff85e,0x00000589,0xfffffdeb,0xffffff14,0x00000244,0xfffffe29,0x0000008c,}, -{ 0x00000085,0xfffffe29,0x000002ef,0xfffffcd9,0x00000215,0x00000049,0xfffffc79,0x000006de,0xfffff69f,0x00000a3c,0xfffff70d,0x00000589,0xffffff74,0xfffffaf9,0x00000a00,0xfffff2c2,0x00000dfa,0xfffff405,0x000007a2,0xfffffe29,0xfffffbd4,0x00000929,0xfffff3dd,0x00000c9a,0xfffff55d,0x000006de,0xfffffdbc,0xfffffdec,0x00000545,0xfffff939,0x0000068f,0xfffffaf9,0x000002e3,0xffffff14,0xffffffc2,0x00000055,}, -{ 0xffffffa0,0x000000b5,0xffffff9a,0xffffff72,0x00000215,0xfffffc01,0x0000060f,0xfffff801,0x00000986,0xfffff59b,0x00000a6c,0xfffff67c,0x000007ad,0xfffffaf9,0x000001c5,0x000001cf,0xfffffa9b,0x000008a6,0xfffff4bb,0x00000d06,0xfffff23c,0x00000d72,0xfffff3dd,0x00000a02,0xfffff8b3,0x00000451,0xfffffea2,0xfffffebf,0x00000350,0xfffffb5a,0x00000535,0xfffffaf9,0x0000043d,0xfffffcf3,0x000001b7,0xffffff83,}, -{ 0xffffff8b,0x00000179,0xfffffd68,0x000003cb,0xfffffaf9,0x00000643,0xfffff88b,0x00000895,0xfffff667,0x00000a79,0xfffff4d1,0x00000bb5,0xfffff3f8,0x00000c23,0xfffff3f8,0x00000bb5,0xfffff4d1,0x00000a79,0xfffff667,0x00000895,0xfffff88b,0x00000643,0xfffffaf9,0x000003cb,0xfffffd68,0x00000179,0xffffff8b,0xffffff95,0x00000121,0xfffffe59,0x000001f9,0xfffffdeb,0x000001f9,0xfffffe59,0x00000121,0xffffff95,}}; - -const short filter_int_const[SBLIMIT][64] = { -{ 23170, 24279, 25330, 26320, 27246, 28106, 28899, 29622, 30274, 30853, 31357, 31786, 32138, 32413, 32610, 32729, 32767, 32729, 32610, 32413, 32138, 31786, 31357, 30853, 30274, 29622, 28899, 28106, 27246, 26320, 25330, 24279, 23170, 22006, 20788, 19520, 18205, 16846, 15447, 14010, 12540, 11039, 9512, 7962, 6393, 4808, 3212, 1608, 0, -1607, -3211, -4807, -6392, -7961, -9511,-11038,-12539,-14009,-15446,-16845,-18204,-19519,-20787,-22005, }, -{ -23169,-19519,-15446,-11038, -6392, -1607, 3212, 7962, 12540, 16846, 20788, 24279, 27246, 29622, 31357, 32413, 32767, 32413, 31357, 29622, 27246, 24279, 20788, 16846, 12540, 7962, 3212, -1607, -6392,-11038,-15446,-19519,-23169,-26319,-28898,-30852,-32137,-32728,-32609,-31785,-30273,-28105,-25329,-22005,-18204,-14009, -9511, -4807, 0, 4808, 9512, 14010, 18205, 22006, 25330, 28106, 30274, 31786, 32610, 32729, 32138, 30853, 28899, 26320, }, -{ -23169,-28105,-31356,-32728,-32137,-29621,-25329,-19519,-12539, -4807, 3212, 11039, 18205, 24279, 28899, 31786, 32767, 31786, 28899, 24279, 18205, 11039, 3212, -4807,-12539,-19519,-25329,-29621,-32137,-32728,-31356,-28105,-23169,-16845, -9511, -1607, 6393, 14010, 20788, 26320, 30274, 32413, 32610, 30853, 27246, 22006, 15447, 7962, 0, -7961,-15446,-22005,-27245,-30852,-32609,-32412,-30273,-26319,-20787,-14009, -6392, 1608, 9512, 16846, }, -{ 23170, 14010, 3212, -7961,-18204,-26319,-31356,-32728,-30273,-24278,-15446, -4807, 6393, 16846, 25330, 30853, 32767, 30853, 25330, 16846, 6393, -4807,-15446,-24278,-30273,-32728,-31356,-26319,-18204, -7961, 3212, 14010, 23170, 29622, 32610, 31786, 27246, 19520, 9512, -1607,-12539,-22005,-28898,-32412,-32137,-28105,-20787,-11038, 0, 11039, 20788, 28106, 32138, 32413, 28899, 22006, 12540, 1608, -9511,-19519,-27245,-31785,-32609,-29621, }, -{ 23170, 30853, 32610, 28106, 18205, 4808, -9511,-22005,-30273,-32728,-28898,-19519, -6392, 7962, 20788, 29622, 32767, 29622, 20788, 7962, -6392,-19519,-28898,-32728,-30273,-22005, -9511, 4808, 18205, 28106, 32610, 30853, 23170, 11039, -3211,-16845,-27245,-32412,-31356,-24278,-12539, 1608, 15447, 26320, 32138, 31786, 25330, 14010, 0,-14009,-25329,-31785,-32137,-26319,-15446, -1607, 12540, 24279, 31357, 32413, 27246, 16846, 3212,-11038, }, -{ -23169, -7961, 9512, 24279, 32138, 30853, 20788, 4808,-12539,-26319,-32609,-29621,-18204, -1607, 15447, 28106, 32767, 28106, 15447, -1607,-18204,-29621,-32609,-26319,-12539, 4808, 20788, 30853, 32138, 24279, 9512, -7961,-23169,-31785,-31356,-22005, -6392, 11039, 25330, 32413, 30274, 19520, 3212,-14009,-27245,-32728,-28898,-16845, 0, 16846, 28899, 32729, 27246, 14010, -3211,-19519,-30273,-32412,-25329,-11038, 6393, 22006, 31357, 31786, }, -{ -23169,-32412,-28898,-14009, 6393, 24279, 32610, 28106, 12540, -7961,-25329,-32728,-27245,-11038, 9512, 26320, 32767, 26320, 9512,-11038,-27245,-32728,-25329, -7961, 12540, 28106, 32610, 24279, 6393,-14009,-28898,-32412,-23169, -4807, 15447, 29622, 32138, 22006, 3212,-16845,-30273,-31785,-20787, -1607, 18205, 30853, 31357, 19520, 0,-19519,-31356,-30852,-18204, 1608, 20788, 31786, 30274, 16846, -3211,-22005,-32137,-29621,-15446, 4808, }, -{ 23170, 1608,-20787,-32412,-27245, -7961, 15447, 30853, 30274, 14010, -9511,-28105,-32137,-19519, 3212, 24279, 32767, 24279, 3212,-19519,-32137,-28105, -9511, 14010, 30274, 30853, 15447, -7961,-27245,-32412,-20787, 1608, 23170, 32729, 25330, 4808,-18204,-31785,-28898,-11038, 12540, 29622, 31357, 16846, -6392,-26319,-32609,-22005, 0, 22006, 32610, 26320, 6393,-16845,-31356,-29621,-12539, 11039, 28899, 31786, 18205, -4807,-25329,-32728, }, -{ 23170, 32729, 20788, -4807,-27245,-31785,-15446, 11039, 30274, 29622, 9512,-16845,-32137,-26319, -3211, 22006, 32767, 22006, -3211,-26319,-32137,-16845, 9512, 29622, 30274, 11039,-15446,-31785,-27245, -4807, 20788, 32729, 23170, -1607,-25329,-32412,-18204, 7962, 28899, 30853, 12540,-14009,-31356,-28105, -6392, 19520, 32610, 24279, 0,-24278,-32609,-19519, 6393, 28106, 31357, 14010,-12539,-30852,-28898, -7961, 18205, 32413, 25330, 1608, }, -{ -23169, 4808, 28899, 29622, 6393,-22005,-32609,-16845, 12540, 31786, 25330, -1607,-27245,-30852, -9511, 19520, 32767, 19520, -9511,-30852,-27245, -1607, 25330, 31786, 12540,-16845,-32609,-22005, 6393, 29622, 28899, 4808,-23169,-32412,-15446, 14010, 32138, 24279, -3211,-28105,-30273, -7961, 20788, 32729, 18205,-11038,-31356,-26319, 0, 26320, 31357, 11039,-18204,-32728,-20787, 7962, 30274, 28106, 3212,-24278,-32137,-14009, 15447, 32413, }, -{ -23169,-31785, -9511, 22006, 32138, 11039,-20787,-32412,-12539, 19520, 32610, 14010,-18204,-32728,-15446, 16846, 32767, 16846,-15446,-32728,-18204, 14010, 32610, 19520,-12539,-32412,-20787, 11039, 32138, 22006, -9511,-31785,-23169, 7962, 31357, 24279, -6392,-30852,-25329, 4808, 30274, 26320, -3211,-29621,-27245, 1608, 28899, 28106, 0,-28105,-28898, -1607, 27246, 29622, 3212,-26319,-30273, -4807, 25330, 30853, 6393,-24278,-31356, -7961, }, -{ 23170,-11038,-32609,-16845, 18205, 32413, 9512,-24278,-30273, -1607, 28899, 26320, -6392,-31785,-20787, 14010, 32767, 14010,-20787,-31785, -6392, 26320, 28899, -1607,-30273,-24278, 9512, 32413, 18205,-16845,-32609,-11038, 23170, 30853, 3212,-28105,-27245, 4808, 31357, 22006,-12539,-32728,-15446, 19520, 32138, 7962,-25329,-29621, 0, 29622, 25330, -7961,-32137,-19519, 15447, 32729, 12540,-22005,-31356, -4807, 27246, 28106, -3211,-30852, }, -{ 23170, 29622, -3211,-31785,-18204, 19520, 31357, 1608,-30273,-22005, 15447, 32413, 6393,-28105,-25329, 11039, 32767, 11039,-25329,-28105, 6393, 32413, 15447,-22005,-30273, 1608, 31357, 19520,-18204,-31785, -3211, 29622, 23170,-14009,-32609, -7961, 27246, 26320, -9511,-32728,-12539, 24279, 28899, -4807,-32137,-16845, 20788, 30853, 0,-30852,-20787, 16846, 32138, 4808,-28898,-24278, 12540, 32729, 9512,-26319,-27245, 7962, 32610, 14010, }, -{ -23169, 16846, 31357, -1607,-32137,-14009, 25330, 26320,-12539,-32412, -3211, 30853, 18205,-22005,-28898, 7962, 32767, 7962,-28898,-22005, 18205, 30853, -3211,-32412,-12539, 26320, 25330,-14009,-32137, -1607, 31357, 16846,-23169,-28105, 9512, 32729, 6393,-29621,-20787, 19520, 30274, -4807,-32609,-11038, 27246, 24279,-15446,-31785, 0, 31786, 15447,-24278,-27245, 11039, 32610, 4808,-30273,-19519, 20788, 29622, -6392,-32728, -9511, 28106, }, -{ -23169,-26319, 15447, 30853, -6392,-32728, -3211, 31786, 12540,-28105,-20787, 22006, 27246,-14009,-31356, 4808, 32767, 4808,-31356,-14009, 27246, 22006,-20787,-28105, 12540, 31786, -3211,-32728, -6392, 30853, 15447,-26319,-23169, 19520, 28899,-11038,-32137, 1608, 32610, 7962,-30273,-16845, 25330, 24279,-18204,-29621, 9512, 32413, 0,-32412, -9511, 29622, 18205,-24278,-25329, 16846, 30274, -7961,-32609, -1607, 32138, 11039,-28898,-19519, }, -{ 23170,-22005,-25329, 19520, 27246,-16845,-28898, 14010, 30274,-11038,-31356, 7962, 32138, -4807,-32609, 1608, 32767, 1608,-32609, -4807, 32138, 7962,-31356,-11038, 30274, 14010,-28898,-16845, 27246, 19520,-25329,-22005, 23170, 24279,-20787,-26319, 18205, 28106,-15446,-29621, 12540, 30853, -9511,-31785, 6393, 32413, -3211,-32728, 0, 32729, 3212,-32412, -6392, 31786, 9512,-30852,-12539, 29622, 15447,-28105,-18204, 26320, 20788,-24278, }, -{ 23170, 22006,-25329,-19519, 27246, 16846,-28898,-14009, 30274, 11039,-31356, -7961, 32138, 4808,-32609, -1607, 32767, -1607,-32609, 4808, 32138, -7961,-31356, 11039, 30274,-14009,-28898, 16846, 27246,-19519,-25329, 22006, 23170,-24278,-20787, 26320, 18205,-28105,-15446, 29622, 12540,-30852, -9511, 31786, 6393,-32412, -3211, 32729, 0,-32728, 3212, 32413, -6392,-31785, 9512, 30853,-12539,-29621, 15447, 28106,-18204,-26319, 20788, 24279, }, -{ -23169, 26320, 15447,-30852, -6392, 32729, -3211,-31785, 12540, 28106,-20787,-22005, 27246, 14010,-31356, -4807, 32767, -4807,-31356, 14010, 27246,-22005,-20787, 28106, 12540,-31785, -3211, 32729, -6392,-30852, 15447, 26320,-23169,-19519, 28899, 11039,-32137, -1607, 32610, -7961,-30273, 16846, 25330,-24278,-18204, 29622, 9512,-32412, 0, 32413, -9511,-29621, 18205, 24279,-25329,-16845, 30274, 7962,-32609, 1608, 32138,-11038,-28898, 19520, }, -{ -23169,-16845, 31357, 1608,-32137, 14010, 25330,-26319,-12539, 32413, -3211,-30852, 18205, 22006,-28898, -7961, 32767, -7961,-28898, 22006, 18205,-30852, -3211, 32413,-12539,-26319, 25330, 14010,-32137, 1608, 31357,-16845,-23169, 28106, 9512,-32728, 6393, 29622,-20787,-19519, 30274, 4808,-32609, 11039, 27246,-24278,-15446, 31786, 0,-31785, 15447, 24279,-27245,-11038, 32610, -4807,-30273, 19520, 20788,-29621, -6392, 32729, -9511,-28105, }, -{ 23170,-29621, -3211, 31786,-18204,-19519, 31357, -1607,-30273, 22006, 15447,-32412, 6393, 28106,-25329,-11038, 32767,-11038,-25329, 28106, 6393,-32412, 15447, 22006,-30273, -1607, 31357,-19519,-18204, 31786, -3211,-29621, 23170, 14010,-32609, 7962, 27246,-26319, -9511, 32729,-12539,-24278, 28899, 4808,-32137, 16846, 20788,-30852, 0, 30853,-20787,-16845, 32138, -4807,-28898, 24279, 12540,-32728, 9512, 26320,-27245, -7961, 32610,-14009, }, -{ 23170, 11039,-32609, 16846, 18205,-32412, 9512, 24279,-30273, 1608, 28899,-26319, -6392, 31786,-20787,-14009, 32767,-14009,-20787, 31786, -6392,-26319, 28899, 1608,-30273, 24279, 9512,-32412, 18205, 16846,-32609, 11039, 23170,-30852, 3212, 28106,-27245, -4807, 31357,-22005,-12539, 32729,-15446,-19519, 32138, -7961,-25329, 29622, 0,-29621, 25330, 7962,-32137, 19520, 15447,-32728, 12540, 22006,-31356, 4808, 27246,-28105, -3211, 30853, }, -{ -23169, 31786, -9511,-22005, 32138,-11038,-20787, 32413,-12539,-19519, 32610,-14009,-18204, 32729,-15446,-16845, 32767,-16845,-15446, 32729,-18204,-14009, 32610,-19519,-12539, 32413,-20787,-11038, 32138,-22005, -9511, 31786,-23169, -7961, 31357,-24278, -6392, 30853,-25329, -4807, 30274,-26319, -3211, 29622,-27245, -1607, 28899,-28105, 0, 28106,-28898, 1608, 27246,-29621, 3212, 26320,-30273, 4808, 25330,-30852, 6393, 24279,-31356, 7962, }, -{ -23169, -4807, 28899,-29621, 6393, 22006,-32609, 16846, 12540,-31785, 25330, 1608,-27245, 30853, -9511,-19519, 32767,-19519, -9511, 30853,-27245, 1608, 25330,-31785, 12540, 16846,-32609, 22006, 6393,-29621, 28899, -4807,-23169, 32413,-15446,-14009, 32138,-24278, -3211, 28106,-30273, 7962, 20788,-32728, 18205, 11039,-31356, 26320, 0,-26319, 31357,-11038,-18204, 32729,-20787, -7961, 30274,-28105, 3212, 24279,-32137, 14010, 15447,-32412, }, -{ 23170,-32728, 20788, 4808,-27245, 31786,-15446,-11038, 30274,-29621, 9512, 16846,-32137, 26320, -3211,-22005, 32767,-22005, -3211, 26320,-32137, 16846, 9512,-29621, 30274,-11038,-15446, 31786,-27245, 4808, 20788,-32728, 23170, 1608,-25329, 32413,-18204, -7961, 28899,-30852, 12540, 14010,-31356, 28106, -6392,-19519, 32610,-24278, 0, 24279,-32609, 19520, 6393,-28105, 31357,-14009,-12539, 30853,-28898, 7962, 18205,-32412, 25330, -1607, }, -{ 23170, -1607,-20787, 32413,-27245, 7962, 15447,-30852, 30274,-14009, -9511, 28106,-32137, 19520, 3212,-24278, 32767,-24278, 3212, 19520,-32137, 28106, -9511,-14009, 30274,-30852, 15447, 7962,-27245, 32413,-20787, -1607, 23170,-32728, 25330, -4807,-18204, 31786,-28898, 11039, 12540,-29621, 31357,-16845, -6392, 26320,-32609, 22006, 0,-22005, 32610,-26319, 6393, 16846,-31356, 29622,-12539,-11038, 28899,-31785, 18205, 4808,-25329, 32729, }, -{ -23169, 32413,-28898, 14010, 6393,-24278, 32610,-28105, 12540, 7962,-25329, 32729,-27245, 11039, 9512,-26319, 32767,-26319, 9512, 11039,-27245, 32729,-25329, 7962, 12540,-28105, 32610,-24278, 6393, 14010,-28898, 32413,-23169, 4808, 15447,-29621, 32138,-22005, 3212, 16846,-30273, 31786,-20787, 1608, 18205,-30852, 31357,-19519, 0, 19520,-31356, 30853,-18204, -1607, 20788,-31785, 30274,-16845, -3211, 22006,-32137, 29622,-15446, -4807, }, -{ -23169, 7962, 9512,-24278, 32138,-30852, 20788, -4807,-12539, 26320,-32609, 29622,-18204, 1608, 15447,-28105, 32767,-28105, 15447, 1608,-18204, 29622,-32609, 26320,-12539, -4807, 20788,-30852, 32138,-24278, 9512, 7962,-23169, 31786,-31356, 22006, -6392,-11038, 25330,-32412, 30274,-19519, 3212, 14010,-27245, 32729,-28898, 16846, 0,-16845, 28899,-32728, 27246,-14009, -3211, 19520,-30273, 32413,-25329, 11039, 6393,-22005, 31357,-31785, }, -{ 23170,-30852, 32610,-28105, 18205, -4807, -9511, 22006,-30273, 32729,-28898, 19520, -6392, -7961, 20788,-29621, 32767,-29621, 20788, -7961, -6392, 19520,-28898, 32729,-30273, 22006, -9511, -4807, 18205,-28105, 32610,-30852, 23170,-11038, -3211, 16846,-27245, 32413,-31356, 24279,-12539, -1607, 15447,-26319, 32138,-31785, 25330,-14009, 0, 14010,-25329, 31786,-32137, 26320,-15446, 1608, 12540,-24278, 31357,-32412, 27246,-16845, 3212, 11039, }, -{ 23170,-14009, 3212, 7962,-18204, 26320,-31356, 32729,-30273, 24279,-15446, 4808, 6393,-16845, 25330,-30852, 32767,-30852, 25330,-16845, 6393, 4808,-15446, 24279,-30273, 32729,-31356, 26320,-18204, 7962, 3212,-14009, 23170,-29621, 32610,-31785, 27246,-19519, 9512, 1608,-12539, 22006,-28898, 32413,-32137, 28106,-20787, 11039, 0,-11038, 20788,-28105, 32138,-32412, 28899,-22005, 12540, -1607, -9511, 19520,-27245, 31786,-32609, 29622, }, -{ -23169, 28106,-31356, 32729,-32137, 29622,-25329, 19520,-12539, 4808, 3212,-11038, 18205,-24278, 28899,-31785, 32767,-31785, 28899,-24278, 18205,-11038, 3212, 4808,-12539, 19520,-25329, 29622,-32137, 32729,-31356, 28106,-23169, 16846, -9511, 1608, 6393,-14009, 20788,-26319, 30274,-32412, 32610,-30852, 27246,-22005, 15447, -7961, 0, 7962,-15446, 22006,-27245, 30853,-32609, 32413,-30273, 26320,-20787, 14010, -6392, -1607, 9512,-16845, }, -{ -23169, 19520,-15446, 11039, -6392, 1608, 3212, -7961, 12540,-16845, 20788,-24278, 27246,-29621, 31357,-32412, 32767,-32412, 31357,-29621, 27246,-24278, 20788,-16845, 12540, -7961, 3212, 1608, -6392, 11039,-15446, 19520,-23169, 26320,-28898, 30853,-32137, 32729,-32609, 31786,-30273, 28106,-25329, 22006,-18204, 14010, -9511, 4808, 0, -4807, 9512,-14009, 18205,-22005, 25330,-28105, 30274,-31785, 32610,-32728, 32138,-30852, 28899,-26319, }, -{ 23170,-24278, 25330,-26319, 27246,-28105, 28899,-29621, 30274,-30852, 31357,-31785, 32138,-32412, 32610,-32728, 32767,-32728, 32610,-32412, 32138,-31785, 31357,-30852, 30274,-29621, 28899,-28105, 27246,-26319, 25330,-24278, 23170,-22005, 20788,-19519, 18205,-16845, 15447,-14009, 12540,-11038, 9512, -7961, 6393, -4807, 3212, -1607, 0, 1608, -3211, 4808, -6392, 7962, -9511, 11039,-12539, 14010,-15446, 16846,-18204, 19520,-20787, 22006, } }; - -const int sfBandIndex[6][23] = +static const uint32 sfBand[6][23] = { /* Table B.2.b: 22.05 kHz */ {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576}, @@ -371,744 +510,830 @@ const int sfBandIndex[6][23] = /* Table B.8.a: 32 kHz */ {0,4, 8,12,16,20,24,30,36,44,54,66, 82,102,126,156,194,240,296,364,448,550,576} }; -const unsigned short enwindow_int_const[512] = { -0x0000,0x0035,0x01fd,0x066c,0x4948,0x066c,0x01fd,0x0035,0x0000,0x0037,0x01f4,0x05d2,0x493c,0x06f8,0x0204,0x0034, -0x0000,0x0038,0x01e8,0x052a,0x491a,0x0776,0x0208,0x0032,0x0000,0x0038,0x01d9,0x0474,0x48e1,0x07e7,0x020a,0x0031, -0x0000,0x0039,0x01c8,0x03b0,0x4892,0x084b,0x0209,0x0030,0x0000,0x0039,0x01b3,0x02de,0x482d,0x08a2,0x0207,0x002e, -0x0000,0x0039,0x019b,0x01fd,0x47b2,0x08ed,0x0202,0x002c,0x0000,0x0039,0x0180,0x010f,0x4721,0x092b,0x01fc,0x002a, -0x0000,0x0038,0x0161,0x0011,0x467a,0x095e,0x01f4,0x0028,0x0000,0x0037,0x0140,0xff07,0x45bf,0x0985,0x01eb,0x0026, -0x0000,0x0036,0x011b,0xfdee,0x44f0,0x09a2,0x01e0,0x0025,0x0000,0x0034,0x00f3,0xfcc8,0x440c,0x09b4,0x01d4,0x0023, -0x0000,0x0032,0x00c7,0xfb93,0x4315,0x09bb,0x01c6,0x0021,0x0000,0x002f,0x0097,0xfa53,0x420b,0x09ba,0x01b8,0x001f, -0x0000,0x002c,0x0065,0xf905,0x40f0,0x09af,0x01a9,0x001d,0x0000,0x0029,0x002e,0xf7aa,0x3fc3,0x099b,0x0198,0x001c, -0x0000,0x0025,0xfff6,0xf643,0x3e85,0x0980,0x0188,0x001a,0xffff,0x0020,0xffb9,0xf4d1,0x3d37,0x095c,0x0176,0x0018, -0xffff,0x001b,0xff79,0xf354,0x3bda,0x0932,0x0165,0x0017,0xffff,0x0015,0xff36,0xf1cc,0x3a70,0x0901,0x0153,0x0015, -0xffff,0x000e,0xfeef,0xf03a,0x38f7,0x08ca,0x0141,0x0014,0xffff,0x0007,0xfea6,0xee9f,0x3773,0x088d,0x012f,0x0012, -0xfffe,0x0000,0xfe5a,0xecfb,0x35e3,0x084b,0x011c,0x0011,0xfffe,0xfff8,0xfe0b,0xeb50,0x3447,0x0804,0x010a,0x0010, -0xfffe,0xffef,0xfdbb,0xe99d,0x32a3,0x07ba,0x00f8,0x000f,0xfffd,0xffe5,0xfd67,0xe7e4,0x30f6,0x076b,0x00e6,0x000d, -0xfffd,0xffdb,0xfd12,0xe624,0x2f41,0x071a,0x00d4,0x000c,0xfffd,0xffd0,0xfcbb,0xe461,0x2d86,0x06c6,0x00c3,0x000b, -0xfffc,0xffc4,0xfc63,0xe299,0x2bc5,0x066f,0x00b2,0x000a,0xfffc,0xffb8,0xfc09,0xe0ce,0x2a00,0x0617,0x00a1,0x0009, -0xfffb,0xffaa,0xfbaf,0xdf01,0x2836,0x05be,0x0091,0x0009,0xfffb,0xff9d,0xfb54,0xdd33,0x266a,0x0563,0x0081,0x0008, -0xfffa,0xff8e,0xfaf9,0xdb65,0x249c,0x0508,0x0073,0x0007,0xfff9,0xff80,0xfa9e,0xd997,0x22ce,0x04ad,0x0064,0x0006, -0xfff8,0xff70,0xfa43,0xd7cb,0x2100,0x0452,0x0057,0x0006,0xfff8,0xff60,0xf9ea,0xd601,0x1f33,0x03f8,0x0049,0x0005, -0xfff7,0xff4f,0xf992,0xd43c,0x1d68,0x039e,0x003d,0x0005,0xfff6,0xff3e,0xf93b,0xd27b,0x1ba0,0x0346,0x0031,0x0004, -0xfff5,0xff2d,0xf8e7,0xd0c0,0x19dd,0x02ef,0x0026,0x0004,0xfff4,0xff1b,0xf896,0xcf0b,0x181d,0x029a,0x001c,0x0004, -0xfff2,0xff09,0xf847,0xcd5e,0x1664,0x0246,0x0012,0x0003,0xfff1,0xfef7,0xf7fd,0xcbba,0x14b1,0x01f6,0x0009,0x0003, -0xfff0,0xfee5,0xf7b6,0xca1e,0x1306,0x01a7,0x0001,0x0003,0xffef,0xfed2,0xf774,0xc88e,0x1162,0x015b,0xfffa,0x0002, -0xffed,0xfec0,0xf737,0xc70a,0x0fc7,0x0112,0xfff3,0x0002,0xffec,0xfeae,0xf700,0xc591,0x0e35,0x00cb,0xffec,0x0002, -0xffea,0xfe9c,0xf6cf,0xc427,0x0cad,0x0088,0xffe6,0x0002,0xffe9,0xfe8b,0xf6a5,0xc2ca,0x0b30,0x0048,0xffe1,0x0002, -0xffe7,0xfe79,0xf681,0xc17c,0x09be,0x000b,0xffdc,0x0001,0xffe5,0xfe69,0xf666,0xc03e,0x0857,0xffd3,0xffd8,0x0001, -0xffe4,0xfe58,0xf652,0xbf11,0x06fc,0xff9c,0xffd5,0x0001,0xffe2,0xfe49,0xf647,0xbdf6,0x05ae,0xff6a,0xffd2,0x0001, -0xffe0,0xfe3b,0xf646,0xbcec,0x046e,0xff3a,0xffcf,0x0001,0xffde,0xfe2d,0xf64d,0xbbf5,0x0339,0xff0e,0xffcd,0x0001, -0xffdc,0xfe21,0xf65f,0xbb11,0x0213,0xfee6,0xffcb,0x0001,0xffdb,0xfe16,0xf67c,0xba42,0x00fa,0xfec1,0xffca,0x0001, -0xffd9,0xfe0d,0xf6a3,0xb987,0xfff0,0xfea0,0xffc9,0x0001,0xffd7,0xfe05,0xf6d6,0xb8e0,0xfef2,0xfe81,0xffc8,0x0001, -0xffd5,0xfdff,0xf714,0xb84f,0xfe04,0xfe66,0xffc8,0x0000,0xffd3,0xfdfa,0xf75f,0xb7d4,0xfd23,0xfe4e,0xffc8,0x0000, -0xffd1,0xfdf8,0xf7b6,0xb76f,0xfc51,0xfe39,0xffc8,0x0000,0xffd0,0xfdf7,0xf81a,0xb720,0xfb8d,0xfe28,0xffc9,0x0000, -0xffcf,0xfdf9,0xf88b,0xb6e7,0xfad7,0xfe19,0xffc9,0x0000,0xffcd,0xfdfd,0xf909,0xb6c5,0xfa2f,0xfe0d,0xffca,0x0000, + +static const short int2idx_const[4096] = /* int2idx[i] = sqrt(i*sqrt(i)); */ +{ + 0, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, + 9, 10, 10, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, + 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, + 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26, + 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, + 32, 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35, 35, 36, 36, 36, + 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 40, 40, + 41, 41, 41, 41, 42, 42, 42, 42, 42, 43, 43, 43, 43, 44, 44, 44, 44, 44, 45, 45, + 45, 45, 45, 46, 46, 46, 46, 46, 47, 47, 47, 47, 47, 48, 48, 48, 48, 49, 49, 49, + 49, 49, 50, 50, 50, 50, 50, 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53, 53, 53, + 53, 53, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 56, 56, 56, 56, 56, 57, 57, 57, + 57, 57, 58, 58, 58, 58, 58, 58, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 61, 61, + 61, 61, 61, 62, 62, 62, 62, 62, 62, 63, 63, 63, 63, 63, 64, 64, 64, 64, 64, 65, + 65, 65, 65, 65, 65, 66, 66, 66, 66, 66, 67, 67, 67, 67, 67, 68, 68, 68, 68, 68, + 68, 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, 70, 71, 71, 71, 71, 71, 72, 72, 72, + 72, 72, 72, 73, 73, 73, 73, 73, 74, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 75, + 76, 76, 76, 76, 76, 77, 77, 77, 77, 77, 77, 78, 78, 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+425,426,426,426,426,426,426,426,426,426,426,427,427,427,427,427,427,427,427,427, +427,428,428,428,428,428,428,428,428,428,428,429,429,429,429,429,429,429,429,429, +429,430,430,430,430,430,430,430,430,430,430,431,431,431,431,431,431,431,431,431, +431,432,432,432,432,432,432,432,432,432,432,433,433,433,433,433,433,433,433,433, +433,434,434,434,434,434,434,434,434,434,434,435,435,435,435,435,435,435,435,435, +435,435,436,436,436,436,436,436,436,436,436,436,437,437,437,437,437,437,437,437, +437,437,438,438,438,438,438,438,438,438,438,438,439,439,439,439,439,439,439,439, +439,439,440,440,440,440,440,440,440,440,440,440,441,441,441,441,441,441,441,441, +441,441,442,442,442,442,442,442,442,442,442,442,443,443,443,443,443,443,443,443, +443,443,443,444,444,444,444,444,444,444,444,444,444,445,445,445,445,445,445,445, +445,445,445,446,446,446,446,446,446,446,446,446,446,447,447,447,447,447,447,447, +447,447,447,448,448,448,448,448,448,448,448,448,448,448,449,449,449,449,449,449, +449,449,449,449,450,450,450,450,450,450,450,450,450,450,451,451,451,451,451,451, +451,451,451,451,452,452,452,452,452,452,452,452,452,452,453,453,453,453,453,453, +453,453,453,453,453,454,454,454,454,454,454,454,454,454,454,455,455,455,455,455, +455,455,455,455,455,456,456,456,456,456,456,456,456,456,456,457,457,457,457,457, +457,457,457,457,457,457,458,458,458,458,458,458,458,458,458,458,459,459,459,459, +459,459,459,459,459,459,460,460,460,460,460,460,460,460,460,460,460,461,461,461, +461,461,461,461,461,461,461,462,462,462,462,462,462,462,462,462,462,463,463,463, +463,463,463,463,463,463,463,463,464,464,464,464,464,464,464,464,464,464,465,465, +465,465,465,465,465,465,465,465,466,466,466,466,466,466,466,466,466,466,466,467, +467,467,467,467,467,467,467,467,467,468,468,468,468,468,468,468,468,468,468,469, +469,469,469,469,469,469,469,469,469,469,470,470,470,470,470,470,470,470,470,470, +471,471,471,471,471,471,471,471,471,471,472,472,472,472,472,472,472,472,472,472, +472,473,473,473,473,473,473,473,473,473,473,474,474,474,474,474,474,474,474,474, +474,475,475,475,475,475,475,475,475,475,475,475,476,476,476,476,476,476,476,476, +476,476,477,477,477,477,477,477,477,477,477,477,477,478,478,478,478,478,478,478, +478,478,478,479,479,479,479,479,479,479,479,479,479,479,480,480,480,480,480,480, +480,480,480,480,481,481,481,481,481,481,481,481,481,481,482,482,482,482,482,482, +482,482,482,482,482,483,483,483,483,483,483,483,483,483,483,484,484,484,484,484, +484,484,484,484,484,484,485,485,485,485,485,485,485,485,485,485,486,486,486,486, +486,486,486,486,486,486,486,487,487,487,487,487,487,487,487,487,487,488,488,488, +488,488,488,488,488,488,488,488,489,489,489,489,489,489,489,489,489,489,490,490, +490,490,490,490,490,490,490,490,490,491,491,491,491,491,491,491,491,491,491,492, +492,492,492,492,492,492,492,492,492,492,493,493,493,493,493,493,493,493,493,493, +494,494,494,494,494,494,494,494,494,494,494,495,495,495,495,495,495,495,495,495, +495,496,496,496,496,496,496,496,496,496,496,496,497,497,497,497,497,497,497,497, +497,497,497,498,498,498,498,498,498,498,498,498,498,499,499,499,499,499,499,499, +499,499,499,499,500,500,500,500,500,500,500,500,500,500,501,501,501,501,501,501, +501,501,501,501,501,502,502,502,502,502,502,502,502,502,502,503,503,503,503,503, +503,503,503,503,503,503,504,504,504,504,504,504,504,504,504,504,504,505,505,505, +505,505,505,505,505,505,505,506,506,506,506,506,506,506,506,506,506,506,507,507, +507,507,507,507,507,507,507,507,507,508,508,508,508,508,508,508,508,508,508,509, +509,509,509,509,509,509,509,509,509,509,510,510,510,510,510,510,510,510,510,510, +510,511,511,511,511,511,511,511,511,511,511,512,512,512,512,512 }; + +static const int order[32] = +{ 0, 1, 16, 17, 8, 9, 24, 25, 4, 5, 20, 21, 12, 13, 28, 29, + 2, 3, 18, 19,10,11, 26, 27, 6, 7, 22, 23, 14, 15, 30, 31 }; + +static const int bitr_index[2][15] = +{ {0, 8,16,24,32,40,48,56, 64, 80, 96,112,128,144,160}, + {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320} }; + +static const int num_bands[3][15] = +{ {0,10,10,10,10,12,14,16, 20, 22, 24, 26, 28, 30, 32}, + {0,10,10,10,10,10,12,14, 18, 24, 26, 28, 30, 32, 32}, + {0,10,12,14,18,24,26,28, 30, 32, 32, 32, 32, 32, 32} }; + +static const int cx_const[9] = +{ 16135, 10531, 5604, 15396, -2845,-12551, 14189, 8192, 16384 }; + +static const int ca_const[8] = +{-16859,-15458,-10269, -5961, -3099, -1342, -465, -121 }; + +static const int cs_const[8] = +{ 28098, 28893, 31117, 32221, 32621, 32740, 32765, 32768 }; + +static const short enwindow_const[15*27+24] = +{ 0, 65, 593, 1766, 22228, 2115, 611, 62, + 8, 119, 1419, 10564,-11659,-1635,-154, -9, + -8, -119,-1419,-10564, 11659, 1635, 154, 9, 464, 100, 91, + 0, 69, 604, 1635, 23148, 2363, 643, 62, + 7, 107, 1368, 10449,-12733,-1818,-180,-11, + -7, -107,-1368,-10449, 12733, 1818, 180, 11, 420, 200, 164, + 0, 72, 608, 1465, 23979, 2600, 671, 63, + 7, 94, 1305, 10265,-13818,-2004,-207,-12, + -7, -94,-1305,-10265, 13818, 2004, 207, 12, 380, 297, 220, + 0, 76, 606, 1256, 24718, 2825, 693, 63, + 6, 81, 1232, 10016,-14908,-2192,-236,-14, + -6, -81,-1232,-10016, 14908, 2192, 236, 14, 342, 392, 262, + 0, 78, 597, 1007, 25359, 3033, 712, 63, + 6, 68, 1150, 9706,-15995,-2380,-267,-15, + -6, -68,-1150, -9706, 15995, 2380, 267, 15, 307, 483, 289, + 0, 80, 580, 719, 25901, 3224, 726, 62, + 6, 54, 1060, 9343,-17072,-2565,-299,-17, + -6, -54,-1060, -9343, 17072, 2565, 299, 17, 274, 569, 304, + -1, 82, 555, 391, 26339, 3395, 735, 61, + 5, 40, 963, 8930,-18131,-2747,-332,-19, + -5, -40, -963, -8930, 18131, 2747, 332, 19, 242, 650, 307, + -1, 83, 523, 26, 26672, 3545, 740, 60, + 5, 27, 861, 8474,-19164,-2923,-366,-21, + -5, -27, -861, -8474, 19164, 2923, 366, 21, 212, 724, 300, + -1, 83, 482, -376, 26900, 3672, 739, 58, + 4, 14, 756, 7981,-20163,-3092,-401,-24, + -4, -14, -756, -7981, 20163, 3092, 401, 24, 183, 792, 283, + -1, 82, 433, -812, 27022, 3776, 735, 56, + 4, 1, 648, 7456,-21122,-3250,-435,-26, + -4, -1, -648, -7456, 21122, 3250, 435, 26, 155, 851, 258, + -1, 81, 376, -1281, 27038, 3855, 726, 54, + 3, -11, 539, 6907,-22032,-3397,-470,-28, + -3, 11, -539, -6907, 22032, 3397, 470, 28, 128, 903, 226, + -1, 78, 312, -1778, 26951, 3910, 713, 52, + 3, -22, 430, 6338,-22887,-3530,-503,-31, + -3, 22, -430, -6338, 22887, 3530, 503, 31, 102, 946, 188, + -2, 75, 239, -2302, 26761, 3941, 696, 49, + 3, -33, 322, 5757,-23678,-3648,-537,-34, + -3, 33, -322, -5757, 23678, 3648, 537, 34, 76, 980, 145, + -2, 70, 160, -2848, 26472, 3948, 676, 47, + 3, -42, 217, 5167,-24399,-3749,-568,-36, + -3, 42, -217, -5167, 24399, 3749, 568, 36, 50, 1004, 99, + -2, 65, 74, -3412, 26087, 3931, 653, 44, + 2, -51, 115, 4577,-25045,-3830,-599,-39, + -2, 51, -115, -4577, 25045, 3830, 599, 39, 25, 1019, 50, + + 25610,3891,627,42,-3990,-18,58,-2, + 21226,-21226,10604,-10604,1860,-1860,1458,-1458,576,-576,130,-130,60,-60,8,-8 }; -const uint8 int2idx_const[4096] = { - 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, - 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, - 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, - 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, - 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, - 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, - 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, - 34, 34, 34, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, - 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, 38, 38, 38, - 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 40, 40, 40, 40, - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, - 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, - 43, 43, 43, 43, 43, 43, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 45, 45, - 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 47, 47, - 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, - 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 50, 50, 50, 50, 50, 50, 50, - 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, - 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, - 53, 53, 53, 53, 53, 53, 53, 53, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55, - 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, - 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 58, - 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 61, 61, 61, 61, 61, 61, 61, 61, - 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, - 62, 62, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 64, 64, 64, 64, 64, 64, 64, 64, 64, - 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, - 65, 65, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 67, 67, 67, 67, 67, 67, 67, 67, - 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 67, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, 71, - 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, - 74, 74, 74, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 75, 76, 76, - 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 76, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, - 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, - 78, 78, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 80, 80, 80, 80, 80, 80, 80, - 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, - 81, 81, 81, 81, 81, 81, 81, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, - 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, 85, - 85, 85, 85, 85, 85, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 86, 87, 87, 87, 87, - 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, - 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 88, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, - 89, 89, 89, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 91, 91, 91, 91, 91, - 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 91, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, - 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, - 93, 93, 93, 93, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 95, 95, 95, 95, - 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, - 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, - 97, 97, 97, 97, 97, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,100,100,100,100,100,100,100,100,100,100, -100,100,100,100,100,100,100,100,100,100,100,100,100,100,100,101,101,101,101,101,101,101,101,101,101,101,101,101,101,101,101,101, -101,101,101,101,101,101,101,101,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102, -102,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,103,104,104,104,104,104,104, -104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,104,105,105,105,105,105,105,105,105,105,105,105,105,105, -105,105,105,105,105,105,105,105,105,105,105,105,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106,106, -106,106,106,106,106,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,107,108, -108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,108,109,109,109,109,109,109,109,109, -109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,109,110,110,110,110,110,110,110,110,110,110,110,110,110,110, -110,110,110,110,110,110,110,110,110,110,110,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111, -111,111,111,111,111,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,113, -113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,114,114,114,114,114,114,114,114, 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-170,170,170,170,170,170,170,170,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, -171,171,171,171,171,171,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, -172,172,172,172,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, -173,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,175, -175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,176,176,176, -176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,177,177,177,177,177, -177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,178,178,178,178,178,178,178, -178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,179,179,179,179,179,179,179,179,179, -179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,180,180,180,180,180,180,180,180,180,180,180, -180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,181,181,181,181,181,181,181,181,181,181,181,181,181}; - -short *x_int[2]; -short buffer[2*samp_per_frame]; -config_t config; -PFILE mp3file; -int mp3_hdl, file_hdl; -int frames_processed; -long wav_size; -uint32 enc_buffer[16384]; /* storage for 64 CodedData buffers */ -int enc_chunk = 0; /* chunk (each 256Byte) counter */ +static const int win_const[18][4] = { + { -3072, -134, -146, 3352 }, + { -2747, -362, -471, 3579 }, + { -2387, -529, -831, 3747 }, + { -2004, -632,-1214, 3850 }, + { -1609, -666,-1609, 3884 }, + { -1214, -632,-2004, 3850 }, + { -831, -529,-2387, 3747 }, + { -471, -362,-2747, 3579 }, + { -146, -134,-3072, 3352 }, + { 134,-3072,-3352, -146 }, + { 362,-2747,-3579, -471 }, + { 529,-2387,-3747, -831 }, + { 632,-2004,-3850,-1214 }, + { 666,-1609,-3884,-1609 }, + { 632,-1214,-3850,-2004 }, + { 529, -831,-3747,-2387 }, + { 362, -471,-3579,-2747 }, + { 134, -146,-3352,-3072 } }; + + +static char* wav_filename; +static int mp3file, wavfile, wav_size, frames; +static uint32 enc_buffer[16384]; /* storage for 65536 Bytes */ +static int enc_chunk = 0; /* encode chunk counter */ +static int enc_size; +static config_t cfg; /* forward declarations */ -void encodeSideInfo( side_info_t si[2][2] ); -void Huffmancodebits( enct8 *ix, int *xr, side_info_t *gi ); -int HuffmanCode(int table_select, enct8 *ix, int *xr); -int HuffmanCount1(unsigned tbl, enct8 *ix, int *xr ); -int new_choose_table( enct8 ix[samp_per_frame2], unsigned int begin, unsigned int end ); +int HuffmanCode( short *ix, int *xr, uint32 begin, uint32 end, int table); +int HuffmanCod1( short *ix, int *xr, uint32 begin, uint32 end, int table); void putbits(uint32 val, uint32 nbit); -int count_bit(enct8 ix[samp_per_frame2], unsigned int start, unsigned int end, unsigned int table ); -int bigv_bitcount(enct8 ix[samp_per_frame2], side_info_t *gi); -void bigv_tab_select( enct8 ix[samp_per_frame2], side_info_t *cod_info ); -void subdivide(side_info_t *cod_info); -void mdct_sub_int(int sb_sample[2][3][18][SBLIMIT], int (*mdct_freq)[2][samp_per_frame2]); -void filter_subband(short *buffer, int s[SBLIMIT], int k); -int read_samples(short *sample_buffer, int frame_size); +int find_best_2( short *ix, uint32 start, uint32 end, const uint32 *table, + uint32 len, int *bits); +int find_best_3( short *ix, uint32 start, uint32 end, const uint32 *table, + uint32 len, int *bits); +int count_bit1 ( short *ix, uint32 start, uint32 end, int *bits ); +int count_bigv ( short *ix, uint32 start, uint32 end, int table0, int table1, + int *bits); -bool checkString(int *file, char *string) +bool checkString(int fd, char *string) { char temp[4]; - rb->read(*file, temp, 4); + rb->read(fd, temp, 4); return (*(long*)temp == *(long*)string) ? 1 : 0; } -int Read16BitsLowHigh(PFILE fp) +int Read16BitsLowHigh(int fd) { - char first, second; + char first, second; - rb->read(*fp, &first, 1); - rb->read(*fp, &second, 1); + rb->read(fd, &first, 1); + rb->read(fd, &second, 1); return ((int)second << 8) | (first & 0xff); } -int Read32BitsLowHigh(PFILE fp) +int Read32BitsLowHigh(int fd) { - int first, second, result; - - first = 0xffff & Read16BitsLowHigh(fp); - second = 0xffff & Read16BitsLowHigh(fp); - result = (second << 16) + first; - - return result; -} + int first = 0xffff & Read16BitsLowHigh(fd); + int second = 0xffff & Read16BitsLowHigh(fd); -void wave_close(void) -{ - rb->close(*config.wave.file); -} - -PFILE fread_open(char *filename) -{ - file_hdl = rb->open(filename, O_RDONLY); - return file_hdl < 0 ? NULL : &file_hdl; + return (second << 16) + first; } int wave_open(void) { - unsigned short wFormatTag; - unsigned long dAvgBytesPerSec; - unsigned short wBlockAlign; - long header_size; - - if((config.wave.file = fread_open(config.infile)) == NULL) - return -1; - - if(!checkString(config.wave.file,"RIFF")) return -2; - Read32BitsLowHigh(config.wave.file); /* complete wave chunk size */ - if(!checkString(config.wave.file,"WAVE")) return -3; - if(!checkString(config.wave.file,"fmt ")) return -4; - - header_size = Read32BitsLowHigh(config.wave.file); /* chunk size */ - wFormatTag = Read16BitsLowHigh(config.wave.file); - - config.wave.channels = Read16BitsLowHigh(config.wave.file); - config.wave.samplerate = Read32BitsLowHigh(config.wave.file); - dAvgBytesPerSec = Read32BitsLowHigh(config.wave.file); - wBlockAlign = Read16BitsLowHigh(config.wave.file); - config.wave.bits = Read16BitsLowHigh(config.wave.file); - - if(wFormatTag != 0x0001) return -5; - if(config.wave.bits != 16) return -6; - if(config.wave.channels > 2) return -7; - if(!checkString(config.wave.file,"data")) return -8; + unsigned short wFormatTag; + unsigned long dAvgBytesPerSec; + unsigned short wBlockAlign; + unsigned short bits_per_samp; + long header_size; - header_size = 0x28; - wav_size = rb->filesize(*config.wave.file); - rb->lseek(*config.wave.file, header_size, SEEK_SET); - - config.wave.total_samples = (wav_size-header_size) / (2*config.wave.channels); - config.wave.length = config.wave.total_samples / config.wave.samplerate; - - return 0; + if((wavfile = rb->open(wav_filename, O_RDONLY)) < 0) + return -1; + + if(!checkString(wavfile,"RIFF")) return -2; + Read32BitsLowHigh(wavfile); /* complete wave chunk size */ + if(!checkString(wavfile,"WAVE")) return -3; + if(!checkString(wavfile,"fmt ")) return -4; + + header_size = Read32BitsLowHigh(wavfile); /* chunk size */ + wFormatTag = Read16BitsLowHigh(wavfile); + + cfg.channels = Read16BitsLowHigh(wavfile); + cfg.samplerate = Read32BitsLowHigh(wavfile); + dAvgBytesPerSec = Read32BitsLowHigh(wavfile); + wBlockAlign = Read16BitsLowHigh(wavfile); + bits_per_samp = Read16BitsLowHigh(wavfile); + + if(wFormatTag != 0x0001) return -5; + if(bits_per_samp != 16) return -6; + if(cfg.channels > 2) return -7; + if(!checkString(wavfile,"data")) return -8; + + header_size = 0x28; + wav_size = rb->filesize(wavfile); + rb->lseek(wavfile, header_size, SEEK_SET); + + return 0; } -int read_samples(short *sample_buffer, int frame_size) +int read_samples(uint32 *buffer, int num_samples) { - int samples = rb->read(*config.wave.file, sample_buffer, sizeof(short) * frame_size) / sizeof(short); - /* Pad last sample with zeros */ - if((samples < frame_size) && (samples > 0)) - while(samples < frame_size) - sample_buffer[samples++] = 0; + int s, samples = rb->read(wavfile, buffer, 4 * num_samples) / 4; + /* Pad last sample with zeros */ + for(s=samples; s<num_samples; s++) + buffer[s] = 0; - return samples; + return samples; } inline uint32 myswap32(uint32 val) { - const uint8* src = (const uint8*)&val; - - return (uint32)src[3] | ((uint32)src[2] << 8) | ((uint32)src[1] << 16) | ((uint32)src[0] << 24); -} - -void putbits(uint32 val, uint32 nbit) -{ - int new_bitpos = CodedData.bitpos + nbit; - int i, ptrpos = CodedData.bitpos >> 5; - - val = val & (0xffffffff >> (32 - nbit)); - - /* data fit in one uint32 */ - if(((new_bitpos - 1) >> 5) == ptrpos) - CodedData.bbuf[ptrpos] |= val << ((32 - new_bitpos) & 31); - else - { - CodedData.bbuf[ptrpos ] |= val >> ((new_bitpos - 32) & 31); - CodedData.bbuf[ptrpos+1] |= val << ((32 - new_bitpos) & 31); - } - - CodedData.bitpos = new_bitpos; - - /* copy iram mp3 buffer to sdram/file */ - if(new_bitpos >= 256 * 32) - { - if(config.byte_order != order_bigEndian) - for(i=0; i<256; i++) - CodedData.bbuf[i] = myswap32(CodedData.bbuf[i]); - - if(enc_chunk >= 64) /* sdram encoder buffer full? */ - { - rb->write(*mp3file, enc_buffer, 16384*sizeof(uint32)); - enc_chunk = 0; - } - - /* copy iram buffer to sdram */ - memcpy(enc_buffer + enc_chunk*256, CodedData.bbuf, 256*sizeof(uint32)); - enc_chunk++; - - CodedData.bbuf[0] = CodedData.bbuf[256]; - memset(CodedData.bbuf+1, 0, 256*sizeof(uint32)); - CodedData.bitpos &=31; - } -} - -/* open the device to write the bit stream into it */ -void open_bitstream(char *bs_filenam) /* name of the bit stream file */ -{ - mp3file = (mp3_hdl=rb->open(bs_filenam, O_WRONLY|O_CREAT|O_TRUNC)) < 0 ? NULL : &mp3_hdl; -} - -/* This is called after a frame of audio has been quantized and coded. - It will write the encoded audio to the bitstream. Note that from a - layer3 encoder's perspective the bit stream is primarily a series - of main_data() blocks, with header and side information inserted at - the proper locations to maintain framing. See Figure A.7 in the IS */ -void format_bitstream( enct8 enc[2][2][samp_per_frame2], side_info_t side[2][2], int (*xr)[2][samp_per_frame2] ) -{ - int gr, ch; + const uint8* v = (const uint8*)&val; - encodeSideInfo( side ); - - for(gr=0; gr<2; gr++) - for(ch=0; ch<config.wave.channels; ch++) - Huffmancodebits( &enc[gr][ch][0], &xr[gr][ch][0], &side[gr][ch] ); + return ((uint32)v[0]<<24) | ((uint32)v[1]<<16) | ((uint32)v[2]<<8) | v[3]; } void encodeSideInfo( side_info_t si[2][2] ) { int gr, ch, header; + uint32 cc=0, sz=0; header = 0xfff00000; - header |= config.mpeg.type << 19; - header |= 1 /*config.mpeg.layr*/ << 17; - header |= !config.mpeg.crc << 16; - header |= config.mpeg.bitrate_index << 12; - header |= config.mpeg.samplerate_index << 10; - header |= config.mpeg.padding << 9; - header |= config.mpeg.ext << 8; - header |= config.mpeg.mode << 6; - header |= config.mpeg.mode_ext << 4; - header |= config.mpeg.copyright << 3; - header |= config.mpeg.original << 2; - header |= config.mpeg.emph << 0; - + header |= cfg.mpg.type << 19; /* mp3 type: 1 */ + header |= 1 << 17; /* mp3 layer: 1 */ + header |= 1 << 16; /* mp3 crc: 0 */ + header |= cfg.mpg.bitr_id << 12; + header |= cfg.mpg.smpl_id << 10; + header |= cfg.mpg.padding << 9; + header |= cfg.mpg.mode << 6; + header |= 1 << 2; /* mp3 original: 1 */ putbits( header, 32 ); - putbits( 0, config.wave.channels == 2 ? 20 : 18 ); - for(gr=0; gr<2; gr++) - for(ch=0; ch<config.wave.channels; ch++) + if(cfg.mpg.type) + { /* MPEG1 */ + if(cfg.channels == 2) { putlong( 0, 20); } + else { putlong( 0, 18); } + + for(gr=0; gr<cfg.granules; gr++) + for(ch=0; ch<cfg.channels; ch++) + { + side_info_t *gi = &si[gr][ch]; + + putlong( gi->part2_3_length, 12 ); + putlong( gi->address3>>1, 9 ); + putlong( gi->global_gain, 8 ); + putlong( gi->table_select[0], 10 ); + putlong( gi->table_select[1], 5 ); + putlong( gi->table_select[2], 5 ); + putlong( gi->region_0_1, 7 ); + putlong( gi->table_select[3], 3 ); + } + } + else + { /* MPEG2 */ + if(cfg.channels == 2) { putlong( 0, 10); } + else { putlong( 0, 9); } + + for(ch=0; ch<cfg.channels; ch++) { - side_info_t *gi = &si[gr][ch]; - - putbits( gi->part2_3_length, 12 ); - putbits( gi->big_values, 9 ); - putbits( gi->global_gain, 8 ); - putbits( gi->table_select[0], 10 ); - putbits( gi->table_select[1], 5 ); - putbits( gi->table_select[2], 5 ); - putbits( gi->region0_count, 4 ); - putbits( gi->region1_count, 3 ); - putbits( gi->table_select[3], 3 ); + side_info_t *gi = &si[0][ch]; + + putlong( gi->part2_3_length, 12); + putlong( gi->address3>>1, 9); + putlong( gi->global_gain, 8); + putlong( gi->table_select[0], 15); + putlong( gi->table_select[1], 5); + putlong( gi->table_select[2], 5); + putlong( gi->region_0_1, 7); + putlong( gi->table_select[3], 2); } + } + /* flush remaining bits */ + putbits(cc, sz); } /* Note the discussion of huffmancodebits() on pages 28 and 29 of the IS, as well as the definitions of the side information on pages 26 and 27. */ -void Huffmancodebits( enct8 *ix, int *xr, side_info_t *gi ) +void Huffmancodebits( short *ix, int *xr, side_info_t *gi ) { - int region1Start; - int region2Start; - int i, bigvalues, count1End; - int stuffingBits; - int bitsWritten = 0; - unsigned scalefac_index; - - /* 1: Write the bigvalues */ - bigvalues = gi->big_values << 1; - scalefac_index = gi->region0_count + 1; - region1Start = scalefac_long[ scalefac_index ]; - scalefac_index += gi->region1_count + 1; - region2Start = scalefac_long[ scalefac_index ]; - - for(i=0; i<region1Start; i+=2) - bitsWritten += HuffmanCode(gi->table_select[0], ix+i, xr+i); - - for( ; i<region2Start; i+=2) - bitsWritten += HuffmanCode(gi->table_select[1], ix+i, xr+i); - - for( ; i<bigvalues; i+=2) - bitsWritten += HuffmanCode(gi->table_select[2], ix+i, xr+i); - - /* 2: Write count1 area */ - count1End = bigvalues + (gi->count1 << 2); - for(i=bigvalues; i<count1End; i+=4) - bitsWritten += HuffmanCount1(gi->table_select[3], ix+i, xr+i); - - if((stuffingBits = gi->part2_3_length - bitsWritten) != 0) + int region1 = gi->address1; + int region2 = gi->address2; + int bigvals = gi->address3; + int count1 = bigvals + (gi->count1 << 2); + int stuffBits = 0; + int bits = 0; + + if(region1 > 0) + bits += HuffmanCode(ix, xr, 0 , region1, gi->table_select[0]); + + if(region2 > region1) + bits += HuffmanCode(ix, xr, region1, region2, gi->table_select[1]); + + if(bigvals > region2) + bits += HuffmanCode(ix, xr, region2, bigvals, gi->table_select[2]); + + if(count1 > bigvals) + bits += HuffmanCod1(ix, xr, bigvals, count1, gi->table_select[3]); + + if((stuffBits = gi->part2_3_length - bits) > 0) { - int stuffingWords = stuffingBits / 32; - int remainingBits = stuffingBits % 32; - - if( remainingBits ) - putbits( ~0, remainingBits ); + int stuffWords = stuffBits >> 5; + int remainBits = stuffBits & 31; - /* Due to the nature of the Huffman code tables, we will pad with ones */ - while( stuffingWords-- ) - putbits( ~0, 32 ); + if( remainBits ) + putbits( ~0, remainBits ); - bitsWritten += stuffingBits; + while( stuffWords-- ) + putbits( ~0, 32 ); /* Huffman code tables leed to padding ones */ } } -int HuffmanCount1(unsigned tbl, enct8 *ix, int *xr) +int HuffmanCod1( short *ix, int *xr, uint32 begin, uint32 end, int tbl) { - uint32 dat, p, s; - int len, v, w, x, y; - #define signv (xr[0] < 0 ? 1 : 0) - #define signw (xr[1] < 0 ? 1 : 0) - #define signx (xr[2] < 0 ? 1 : 0) - #define signy (xr[3] < 0 ? 1 : 0) - - v = ix[0]; - w = ix[1]; - x = ix[2]; - y = ix[3]; - p = v + (w << 1) + (x << 2) + (y << 3); - - switch(p) + uint32 cc=0, sz=0; + uint32 i, d, p; + int sumbit=0, s=0, l=0, v, w, x, y; + #define sgnv (xr[i+0] < 0 ? 1 : 0) + #define sgnw (xr[i+1] < 0 ? 1 : 0) + #define sgnx (xr[i+2] < 0 ? 1 : 0) + #define sgny (xr[i+3] < 0 ? 1 : 0) + + for(i=begin; i<end; i+=4) { - default: len = 0; s = 0; break; - case 1: len = 1; s = signv; break; - case 2: len = 1; s = signw; break; - case 3: len = 2; s = (signv << 1) + signw; break; - case 4: len = 1; s = signx; break; - case 5: len = 2; s = (signv << 1) + signx; break; - case 6: len = 2; s = (signw << 1) + signx; break; - case 7: len = 3; s = (signv << 2) + (signw << 1) + signx; break; - case 8: len = 1; s = signy; break; - case 9: len = 2; s = (signv << 1) + signy; break; - case 10: len = 2; s = (signw << 1) + signy; break; - case 11: len = 3; s = (signv << 2) + (signw << 1) + signy; break; - case 12: len = 2; s = (signx << 1) + signy; break; - case 13: len = 3; s = (signv << 2) + (signx << 1) + signy; break; - case 14: len = 3; s = (signw << 2) + (signx << 1) + signy; break; - case 15: len = 4; s = (signv << 3) + (signw << 2) + (signx << 1) + signy; break; + v = ix[i+0]; + w = ix[i+1]; + x = ix[i+2]; + y = ix[i+3]; + p = (v << 3) + (w << 2) + (x << 1) + y; + + switch(p) + { + case 0: l=0; s = 0; break; + case 1: l=1; s = sgnv; break; + case 2: l=1; s = sgnw; break; + case 3: l=2; s = (sgnv << 1) + sgnw; break; + case 4: l=1; s = sgnx; break; + case 5: l=2; s = (sgnv << 1) + sgnx; break; + case 6: l=2; s = (sgnw << 1) + sgnx; break; + case 7: l=3; s = (sgnv << 2) + (sgnw << 1) + sgnx; break; + case 8: l=1; s = sgny; break; + case 9: l=2; s = (sgnv << 1) + sgny; break; + case 10: l=2; s = (sgnw << 1) + sgny; break; + case 11: l=3; s = (sgnv << 2) + (sgnw << 1) + sgny; break; + case 12: l=2; s = (sgnx << 1) + sgny; break; + case 13: l=3; s = (sgnv << 2) + (sgnx << 1) + sgny; break; + case 14: l=3; s = (sgnw << 2) + (sgnx << 1) + sgny; break; + case 15: l=4; s = (sgnv << 3) + (sgnw << 2) + (sgnx << 1) + sgny; break; + } + + d = (ht_count[tbl][0][p] << l) + s; + l = ht_count[tbl][1][p]; + putlong( d, l ); + sumbit += l; } - dat = (ht_count1[tbl][0][p] << len) + s; - len = ht_count1[tbl][1][p]; - putbits( dat, len ); + /* flush remaining bits */ + putbits(cc, sz); - return len; + return sumbit; } /* Implements the pseudocode of page 98 of the IS */ -int HuffmanCode(int table_select, enct8 *ix, int *xr) +int HuffmanCode( short *ix, int *xr, uint32 begin, uint32 end, int table) { - unsigned linbitsx, linbitsy, linbits, idx; - const struct huffcodetab *h; - int x, y, bit; - uint32 code; - #define sign_x (xr[0] < 0 ? 1 : 0) - #define sign_y (xr[1] < 0 ? 1 : 0) - - if(table_select == 0) - return 0; + uint32 cc=0, sz=0, code; + uint32 i, xl=0, yl=0, idx; + int x, y, bit, sumbit=0; + #define sign_x (xr[i+0] < 0 ? 1 : 0) + #define sign_y (xr[i+1] < 0 ? 1 : 0) - x = ix[0]; - y = ix[1]; - h = &ht[table_select]; - linbits = h->linbits; - linbitsx = linbitsy = 0; + if(table == 0) + return 0; - if( table_select > 15 ) + if( table > 15 ) { /* ESC-table is used */ - if(x > 14) { linbitsx = x - 15; x = 15; } - if(y > 14) { linbitsy = y - 15; y = 15; } + uint32 linbits = ht_big[table-16].linbits; + uint16 *hffcode = table < 24 ? t16HB : t24HB; + uint8 *hlen = table < 24 ? t16l : t24l; - idx = (x * h->ylen) + y; - code = h->table[idx]; - bit = h->hlen [idx]; - - if(x) + for(i=begin; i<end; i+=2) { - if(x > 14) + x = ix[ i ]; + y = ix[i+1]; + + if(x > 14) { xl = x - 15; x = 15; } + if(y > 14) { yl = y - 15; y = 15; } + + idx = x * 16 + y; + code = hffcode[idx]; + bit = hlen [idx]; + + if(x) { - code = (code << linbits) | linbitsx; - bit += linbits; - } + if(x > 14) + { + code = (code << linbits) | xl; + bit += linbits; + } - code = (code << 1) | sign_x; - bit += 1; - } + code = (code << 1) | sign_x; + bit += 1; + } - if(y) - { - if(y > 14) + if(y) { - code = (code << linbits) | linbitsy; - bit += linbits; + if(y > 14) + { + code = (code << linbits) | yl; + bit += linbits; + } + + code = (code << 1) | sign_y; + bit += 1; } - code = (code << 1) | sign_y; - bit += 1; + putlong( code, bit ); + sumbit += bit; } } else { /* No ESC-words */ - idx = (x * h->ylen) + y; - code = h->table[idx]; - bit = h->hlen [idx]; + const struct huffcodetab *h = &ht[table]; - if(x) + for(i=begin; i<end; i+=2) { - code = (code << 1) | sign_x; - bit += 1; - } + x = ix[i]; + y = ix[i+1]; - if(y) - { - code = (code << 1) | sign_y; - bit += 1; + idx = x * h->len + y; + code = h->table[idx]; + bit = h->hlen [idx]; + + if(x) + { + code = (code << 1) | sign_x; + bit += 1; + } + + if(y) + { + code = (code << 1) | sign_y; + bit += 1; + } + + putlong( code, bit ); + sumbit += bit; } } - putbits( code, bit ); - - return bit; + /* flush remaining bits */ + putbits(cc, sz); + + return sumbit; } -/*************************************************************************/ -/* Choose the Huffman table that will encode ix[begin..end] with */ -/* the fewest bits. */ -/* Note: This code contains knowledge about the sizes and characteristics */ -/* of the Huffman tables as defined in the IS (Table B.7), and will not work */ -/* with any arbitrary tables. */ -/*************************************************************************/ -int new_choose_table( enct8 ix[samp_per_frame2], uint32 begin, uint32 end ) +void putbits(uint32 val, uint32 nbit) +{ + int new_bitpos = CodedData.bitpos + nbit; + int ptrpos = CodedData.bitpos >> 5; + + val = val & (0xffffffff >> (32 - nbit)); + + /* data fit in one uint32 */ + if(((new_bitpos - 1) >> 5) == ptrpos) + CodedData.bbuf[ptrpos] |= val << ((32 - new_bitpos) & 31); + else + { + CodedData.bbuf[ptrpos ] |= val >> ((new_bitpos - 32) & 31); + CodedData.bbuf[ptrpos+1] |= val << ((32 - new_bitpos) & 31); + } + + CodedData.bitpos = new_bitpos; +} + +/***************************************************************************/ +/* Choose the Huffman table that will encode ix[begin..end] with */ +/* the fewest bits. */ +/* Note: This code contains knowledge about the sizes and characteristic */ +/* of the Huffman tables as defined in the IS (Table B.7), and will not */ +/* work with any arbitrary tables. */ +/***************************************************************************/ +int choose_table( short *ix, uint32 begin, uint32 end, int *bits ) { uint32 i; - int max, sum0, sum1, table0, table1; + int max, table0, table1; for(i=begin,max=0; i<end; i++) if(ix[i] > max) max = ix[i]; - if(!max) - return 0; - - table0 = 0; - table1 = 0; - - if(max <= 15) + if(max < 16) { - /* try tables with no linbits */ + /* tables without linbits */ /* indx: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ - /* xlen: 0, 2, 3, 3, 0, 4, 4, 6, 6, 6, 8, 8, 8, 16, 0, 16 */ - for(table0=0; table0<14; table0++) - if(ht[table0].xlen > max) - break; - - sum0 = count_bit(ix, begin, end, table0); - - switch( table0 ) + /* len: 0, 2, 3, 3, 0, 4, 4, 6, 6, 6, 8, 8, 8, 16, 0, 16 */ + switch(max) { - case 2: sum1 = count_bit( ix, begin, end, 3 ); - if(sum1 <= sum0) table0 = 3; break; - - case 5: sum1 = count_bit( ix, begin, end, 6 ); - if(sum1 <= sum0) table0 = 6; break; - - case 7: sum1 = count_bit( ix, begin, end, 8 ); - if(sum1 <= sum0) { table0 = 8; sum0 = sum1; } - sum1 = count_bit( ix, begin, end, 9 ); - if(sum1 <= sum0) table0 = 9; break; - - case 10: sum1 = count_bit( ix, begin, end, 11 ); - if(sum1 <= sum0) { table0 =11; sum0 = sum1; } - sum1 = count_bit( ix, begin, end, 12); - if(sum1 <= sum0) table0 = 12; break; - - case 13: sum1 = count_bit( ix, begin, end, 15 ); - if(sum1 <= sum0) table0 = 15; break; + case 0: return 0; + case 1: return count_bit1(ix, begin, end, bits); + case 2: return 2 + find_best_2(ix, begin, end, tab23, 3, bits); + case 3: return 5 + find_best_2(ix, begin, end, tab56, 4, bits); + case 4: + case 5: return 7 + find_best_3(ix, begin, end, tab789, 6, bits); + case 6: + case 7: return 10 + find_best_3(ix, begin, end, tabABC, 8, bits); + default: return 13 + find_best_2(ix, begin, end, tab1315, 16, bits) * 2; } } else { - /* try tables with linbits */ + /* tables with linbits */ max -= 15; - /* index : 15 16 17 18 19 20 21 22 23 */ - /* linmax: 0 1 3 7 15 63 255 1023 8191 */ - for(table0=15; table0<24; table0++) - if(ht[table0].linmax >= max) + for(table0=0; table0<8; table0++) + if(ht_big[table0].linmax >= max) break; - /* index : 24 25 26 27 28 29 30 31 */ - /* linmax: 15 31 63 127 255 511 2047 8191 */ - for(table1=24; table1<32; table1++) - if(ht[table1].linmax >= max) + for(table1=8; table1<16; table1++) + if(ht_big[table1].linmax >= max) break; - sum0 = count_bit(ix, begin, end, table0); - sum1 = count_bit(ix, begin, end, table1); - - if(sum1 < sum0) - table0 = table1; + return 16 + count_bigv(ix, begin, end, table0, table1, bits); } - return table0; } -/*************************************************************************/ -/* Function: Count the number of bits necessary to code the subregion. */ -/*************************************************************************/ -int count_bit(enct8 ix[samp_per_frame2], unsigned int start, unsigned int end, unsigned int table ) +int find_best_2(short *ix, uint32 start, uint32 end, const uint32 *table, + uint32 len, int *bits) { - uint32 i; - int sum; - int x, y; - unsigned linbits, ylen; - const struct huffcodetab *h; - - h = &ht[table]; - sum = 0; - ylen = h->ylen; - - if(table > 15) - { /* ESC-table is used */ - linbits = h->linbits; - for(i=start; i<end; i+=2) - { - x = ix[i]; - y = ix[i+1]; + uint32 i, sum = 0; - if(x) - { - if(x > 14) { x = 15; sum += linbits; } - sum++; - } + for(i=start; i<end; i+=2) + sum += table[ix[i] * len + ix[i+1]]; - if(y) - { - if(y > 14) { y = 15; sum += linbits; } - sum++; - } - - sum += h->hlen[(x * ylen) + y]; - } + if((sum & 0xffff) <= (sum >> 16)) + { + *bits = (sum & 0xffff); + return 1; } else - { /* No ESC-words */ - for(i=start; i<end; i+=2) - { - x = ix[i]; - y = ix[i+1]; + { + *bits = sum >> 16; + return 0; + } +} - sum += h->hlen[(x * ylen) + y]; +int find_best_3(short *ix, uint32 start, uint32 end, const uint32 *table, + uint32 len, int *bits) +{ + uint32 i, j, sum = 0; + int sum1 = 0; + int sum2 = 0; + int sum3 = 0; - if(x) sum++; - if(y) sum++; - } + /* avoid overflow in packed additions: 78*13 < 1024 */ + for(i=start; i<end; ) + { + j = i + 2*78 > end ? end : i + 2*78; + + for(sum=0; i<j; i+=2) + sum += table[ix[i] * len + ix[i+1]]; + + sum1 += (sum >> 20); + sum2 += (sum >> 10) & 0x3ff; + sum3 += (sum >> 0) & 0x3ff; } - - return sum; + + i = 0; + if(sum1 > sum2) { sum1 = sum2; i = 1; } + if(sum1 > sum3) { sum1 = sum3; i = 2; } + + *bits = sum1; + + return i; } /*************************************************************************/ -/* Function: Quantization of the vector xr ( -> ix) */ +/* Function: Count the number of bits necessary to code the subregion. */ /*************************************************************************/ -int quantize_int(int xr[samp_per_frame2], enct8 ix[samp_per_frame2], side_info_t *cod_info) +int count_bit1(short *ix, uint32 start, uint32 end, int *bits ) { - int i; -#if 0 - long step; - uint32 frac_pow[] = { 0, 12400, 27146, 44682 }; + uint32 i, sum = 0; - step = 1 << cod_info->quantizerStepSize / 4; - step += (step * frac_pow[cod_info->quantizerStepSize & 3] + 32768) >> 16; + for(i=start; i<end; i+=2) + sum += t1l[4 + ix[i] * 2 + ix[i+1]]; - for(i=samp_per_frame2; i--; ) - ix[i] = int2idx[4 * abs(xr[i]) / step]; + *bits = sum; - return 1; -#else - uint32 max=0, val, step, frac_pow[] = { 0x40000, 0x35d14, 0x2d414,0x260e0 }; + return 1; /* this is table1 */ +} - step = frac_pow[cod_info->quantizerStepSize & 3] >> cod_info->quantizerStepSize / 4; +int count_bigv(short *ix, uint32 start, uint32 end, int table0, + int table1, int *bits ) +{ + uint32 i, sum0, sum1, sum=0, bigv=0, x, y; - for(i=samp_per_frame2; i--; ) + /* ESC-table is used */ + for(i=start; i<end; i+=2) { - val = (((unsigned long)abs(xr[i]) * step + 32768) >> 16); - max |= val; - ix[i] = int2idx[val]; + x = ix[i]; + y = ix[i+1]; + + if(x > 14) { x = 15; bigv++; } + if(y > 14) { y = 15; bigv++; } + + sum += tab1624[x * 16 + y]; + } + + sum0 = (sum >> 16) + bigv * ht_big[table0].linbits; + sum1 = (sum & 0xffff) + bigv * ht_big[table1].linbits; + + if(sum0 <= sum1) + { + *bits = sum0; + return table0; + } + else + { + *bits = sum1; + return table1; } - return max < 4096 ? 1 : 0; -#endif } /*************************************************************************/ -/* Function: Calculation of rzero, count1, big_values */ +/* Function: Calculation of rzero, count1, address3 */ /* (Partitions ix into big values, quadruples and zeros). */ /*************************************************************************/ -int calc_runlen( enct8 ix[samp_per_frame2], side_info_t *cod_info ) +int calc_runlen( short *ix, side_info_t *si ) { - int p, i, sum0 = 0, sum1 = 0; + int p, i, sum = 0; - for(i=samp_per_frame2; i-=2; ) - if(ix[i-1] | ix[i-2]) + for(i=SAMPL2; i-=2; ) + if(*(uint32*)&ix[i-2]) /* !!!! short *ix; !!!!! */ break; - cod_info->count1 = 0; + si->count1 = 0; for( ; i>3; i-=4) { @@ -1119,583 +1344,741 @@ int calc_runlen( enct8 ix[samp_per_frame2], side_info_t *cod_info ) if((v | w | x | y) <= 1) { - p = (y) + (x<<1) + (w<<2) + (v<<3); + p = (y<<3) + (x<<2) + (w<<1) + (v); - sum0 += ht_count1[0][1][p]; /* add table0 hlength */ - sum1 += ht_count1[1][1][p]; /* add table1 hlength */ + sum += tab01[p]; - cod_info->count1++; + si->count1++; } else break; } - cod_info->big_values = i >> 1; + si->address3 = i; - if(sum0 < sum1) + if((sum >> 16) < (sum & 0xffff)) { - cod_info->table_select[3] = 0; - return sum0; + si->table_select[3] = 0; + return sum >> 16; } else { - cod_info->table_select[3] = 1; - return sum1; + si->table_select[3] = 1; + return sum & 0xffff; } } + /*************************************************************************/ -/* presumable subdivides the bigvalue region which will use separate Huffman tables */ +/* Function: Quantization of the vector xr ( -> ix) */ /*************************************************************************/ -void subdivide(side_info_t *cod_info) +int quantize_int(int *xr, short *ix, side_info_t *si) { - int scfb_anz = 0; - int bigvalues_region; - int thiscount, index; - - if( !cod_info->big_values ) - { /* no big_values region */ - cod_info->region0_count = 0; - cod_info->region1_count = 0; - } - else - { - bigvalues_region = 2 * cod_info->big_values; - - /* Calculate scfb_anz */ - while( scalefac_long[scfb_anz] < bigvalues_region ) - scfb_anz++; - - cod_info->region0_count = subdv_table[scfb_anz].region0_count; - thiscount = cod_info->region0_count; - index = thiscount + 1; - while(thiscount && (scalefac_long[index] > bigvalues_region)) - { - thiscount--; - index--; - } - cod_info->region0_count = thiscount; - cod_info->region1_count = subdv_table[scfb_anz].region1_count; - index = cod_info->region0_count + cod_info->region1_count + 2; - thiscount = cod_info->region1_count; - while(thiscount && (scalefac_long[index] > bigvalues_region)) - { - thiscount--; - index--; - } - cod_info->region1_count = thiscount; - cod_info->address1 = scalefac_long[cod_info->region0_count+1]; - cod_info->address2 = scalefac_long[cod_info->region0_count+cod_info->region1_count+2]; - cod_info->address3 = bigvalues_region; - } + int i, s, frac_pow[] = { 0x10000, 0xd745, 0xb505, 0x9838 }; + + s = frac_pow[si->quantStep & 3] >> si->quantStep / 4; + + /* check for integer overflow */ + if(((si->max_val + 256) >> 8) * s >= (1622 << 8)) + return 0; + + for(i=SAMPL2; i--; ) + ix[i] = int2idx[(abs(xr[i]) * s + 0x8000) >> 16]; + + return 1; } /*************************************************************************/ -/* Function: Select huffman code tables for bigvalues regions */ +/* subdivides the bigvalue region which will use separate Huffman tables */ /*************************************************************************/ -void bigv_tab_select( enct8 ix[samp_per_frame2], side_info_t *cod_info ) +void subdivide(side_info_t *si) { - cod_info->table_select[0] = 0; - cod_info->table_select[1] = 0; - cod_info->table_select[2] = 0; + int scfb, count0, count1; - if( cod_info->address1 > 0 ) - cod_info->table_select[0] = new_choose_table(ix, 0 , cod_info->address1); - - if( cod_info->address2 > cod_info->address1 ) - cod_info->table_select[1] = new_choose_table(ix, cod_info->address1, cod_info->address2); - - if( cod_info->big_values<<1 > cod_info->address2 ) - cod_info->table_select[2] = new_choose_table(ix, cod_info->address2, cod_info->big_values<<1); + if( !si->address3 ) + { /* no bigvalue region */ + si->region_0_1 = 0; + si->address1 = 0; + si->address2 = 0; + } + else + { + /* Calculate scale factor band index */ + for(scfb=0; scalefac[scfb] < si->address3; ) + scfb++; + + count0 = subdv_table[scfb].region0_cnt; + count1 = subdv_table[scfb].region1_cnt; + + si->region_0_1 = (count0 << 3) | count1; + si->address1 = scalefac[count0 + 1]; + si->address2 = scalefac[count0 + 1 + count1 + 1]; + } } -/*************************************************************************/ -/* Function: Count the number of bits necessary to code the bigvalues region */ -/*************************************************************************/ -int bigv_bitcount(enct8 ix[samp_per_frame2], side_info_t *gi) +/*******************************************************************/ +/* Count the number of bits necessary to code the bigvalues region */ +/*******************************************************************/ +int bigv_bitcount(short *ix, side_info_t *gi) { - int bits = 0; - uint32 table; + int b1=0, b2=0, b3=0; - if((table=gi->table_select[0])) /* region0 */ - bits += count_bit(ix, 0 , gi->address1, table); + /* Select huffman code tables for bigvalues regions */ + gi->table_select[0] = 0; + gi->table_select[1] = 0; + gi->table_select[2] = 0; - if((table=gi->table_select[1])) /* region1 */ - bits += count_bit(ix, gi->address1, gi->address2, table); + if( gi->address1 > 0 ) /* region0 */ + gi->table_select[0] = choose_table(ix, 0 , gi->address1, &b1); - if((table=gi->table_select[2])) /* region2 */ - bits += count_bit(ix, gi->address2, gi->address3, table); + if( gi->address2 > gi->address1 ) /* region1 */ + gi->table_select[1] = choose_table(ix, gi->address1, gi->address2, &b2); - return bits; -} + if( gi->address3 > gi->address2 ) /* region2 */ + gi->table_select[2] = choose_table(ix, gi->address2, gi->address3, &b3); -int quantcnt; + return b1+b2+b3; +} -/* Speed up the outer_loop code which is called by iteration_loop. - The outer_loop function precedes the call to the function inner_loop - with a call to bin_search gain defined below, - which returns a good starting quantizerStepSize. */ -int quantize_and_count_bits(int xr[samp_per_frame2], enct8 ix[samp_per_frame2], side_info_t *cod_info) +int quantize_and_count_bits(int *xr, short *ix, side_info_t *si) { int bits = 10000; - quantcnt++; - - if(quantize_int(xr, ix, cod_info)) + if(quantize_int(xr, ix, si)) { - bits = calc_runlen(ix, cod_info); /* rzero,count1,big_values*/ - subdivide(cod_info); /* bigvalues sfb division */ - bigv_tab_select(ix,cod_info); /* codebook selection*/ - bits += bigv_bitcount(ix,cod_info); /* bit count */ + bits = calc_runlen(ix, si); /* rzero,count1,address3 */ + subdivide(si); /* bigvalues sfb division */ + bits += bigv_bitcount(ix,si); /* bit count */ } return bits; } -/******************************************************************************/ -/* The code selects the best quantizerStepSize for a particular set of scalefacs */ -/******************************************************************************/ -int inner_loop_int(int xr[2][2][samp_per_frame2], int max_bits, side_info_t *cod_info, int gr, int ch ) +/***********************************************************************/ +/* The code selects the best quantStep for a particular set of scalefacs */ +/***********************************************************************/ +int inner_loop(int *xr, int max_bits, side_info_t *si) { - int *xrs; /* int[samp_per_frame2] *xr; */ - enct8 *ix; /* int[samp_per_frame2] *ix; */ - int bits; + int bits; - xrs = &xr[gr][ch][0]; - ix = enc_data[gr][ch]; - - while((bits=quantize_and_count_bits(xrs, ix, cod_info)) < max_bits- 128) + while((bits=quantize_and_count_bits(xr, enc_data, si)) < max_bits-64) { - if(cod_info->quantizerStepSize == 0) + if(si->quantStep == 0) break; - if(cod_info->quantizerStepSize <= 2) - cod_info->quantizerStepSize = 0; + if(si->quantStep <= 2) + si->quantStep = 0; else - cod_info->quantizerStepSize -= 2; + si->quantStep -= 2; } while(bits > max_bits) { - cod_info->quantizerStepSize++; - bits = quantize_and_count_bits(xrs, ix, cod_info); + si->quantStep++; + bits = quantize_and_count_bits(xr, enc_data, si); } return bits; } -/************************************************************************/ -/* iteration_loop() */ -/************************************************************************/ -void iteration_loop(int mdct_freq_org[2][2][samp_per_frame2], side_info_t cod_info[2][2], int mean_bits) +void iteration_loop(int *xr, side_info_t *si, int gr_cnt) { - int max_bits; - int ch, gr; - int ResvSize = 0; /* Layer3 bit reservoir: Described in C.1.5.4.2.2 of the IS */ - - for(gr=2; gr--; ) + int remain, tar_bits, max_bits = cfg.mean_bits; + + /* distribute reserved bits to remaining granules */ + tar_bits = max_bits + (cfg.ResvSize / gr_cnt & ~7); + if(tar_bits > max_bits + max_bits/2) + tar_bits = max_bits + max_bits/2; + + si->part2_3_length = inner_loop(xr, tar_bits, si); + si->global_gain = si->quantStep + 142 - si->additStep; + + /* unused bits of the reservoir can be used for remaining granules */ + cfg.ResvSize += max_bits - si->part2_3_length; + + /* end: distribute the reserved bits to one or two granules */ + if(gr_cnt == 1) { - for(ch=config.wave.channels; ch--; ) + si->part2_3_length += cfg.ResvSize; + /* mp3 format allows max 12bits for granule length */ + if(si->part2_3_length > 4092) { - /* calculation of number of available bit( per granule ) */ - max_bits = mean_bits / config.wave.channels; - - cod_info[gr][ch].big_values = 0; - cod_info[gr][ch].count1 = 0; - cod_info[gr][ch].table_select[0] = 0; - cod_info[gr][ch].table_select[1] = 0; - cod_info[gr][ch].table_select[2] = 0; - cod_info[gr][ch].region0_count = 0; - cod_info[gr][ch].region1_count = 0; - cod_info[gr][ch].table_select[3] = 0; - cod_info[gr][ch].part2_3_length = inner_loop_int(mdct_freq_org, max_bits, &cod_info[gr][ch], gr, ch); - cod_info[gr][ch].global_gain = cod_info[gr][ch].quantizerStepSize + 210 - 0x3c; - - /* Readjusts the size of the reservoir to reflect the granule's usage */ - ResvSize += max_bits - cod_info[gr][ch].part2_3_length; + remain = (si->part2_3_length - 4092 + 31) >> 5; + si->part2_3_length -= remain << 5; + si[-1].part2_3_length += remain << 5; + + while(remain--) + putbits(~0, 32); } } - -/* Makes sure that the reservoir size is within limits, possibly by adding stuffing - bits. Note that stuffing bits are added by increasing a granule's part2_3_length */ - cod_info[0][0].part2_3_length += ResvSize; } -/*-------------------------------------------------------------------*/ -/* Function: Calculation of the MDCT */ -/* In the case of long blocks ( block_type 0,1,3 ) there are */ -/* 36 coefficents in the time domain and 18 in the frequency */ -/* domain. */ -/*-------------------------------------------------------------------*/ -/* TODO: This MDCT implementation is very crude, and should be replaced by - a completely different algorithm. */ -void mdct_int( int *in, int *out ) +/* returns sum_j=0^31 a[j]*cos(PI*j*(k+1/2)/32), 0<=k<32 */ +void window_subband1(short *wk, int sb0[SBLIMIT], int sb1[SBLIMIT]) ICODE_ATTR; +void window_subband1(short *wk, int sb0[SBLIMIT], int sb1[SBLIMIT]) { - int m, tmp=0; - - for(m=18; m--; ) - { + int k, i, u, v; + short *wp, *x1, *x2; + #ifdef CPU_COLDFIRE - { int *wint = win_int[m]; - int *indat = in; + int s0, s1, t0, t1; + for(k=0; k<18; k++, wk+=64, sb0+=SBLIMIT, sb1+=SBLIMIT) + { + wp = enwindow; + x1 = wk; + x2 = x1 - 124; + + for(i=-15; i<0; i++) + { asm volatile( - "movem.l (%[indat]), %%d0-%%d7\n" - "move.l (%[wint])+, %%a5\n" - "mac.l %%d0, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d1, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d2, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d3, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d4, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d5, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d6, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d7, %%a5, (%[wint])+, %%a5, %%acc0\n" - "movem.l (32,%[indat]), %%d0-%%d7\n" - "mac.l %%d0, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d1, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d2, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d3, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d4, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d5, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d6, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d7, %%a5, (%[wint])+, %%a5, %%acc0\n" - "movem.l (64,%[indat]), %%d0-%%d7\n" - "mac.l %%d0, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d1, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d2, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d3, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d4, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d5, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d6, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d7, %%a5, (%[wint])+, %%a5, %%acc0\n" - "movem.l (96,%[indat]), %%d0-%%d7\n" - "mac.l %%d0, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d1, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d2, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d3, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d4, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d5, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d6, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d7, %%a5, (%[wint])+, %%a5, %%acc0\n" - "movem.l (128,%[indat]), %%d0-%%d3\n" - "mac.l %%d0, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d1, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d2, %%a5, (%[wint])+, %%a5, %%acc0\n" - "mac.l %%d3, %%a5, %%acc0\n" - "movclr.l %%acc0, %[tmp]" - : [wint] "+a" (wint), [tmp] "+r" (tmp) : [indat] "a" (indat) - : "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a5"); + "move.l (-224*4,%[x2]), %%d4\n" /* d4 = x2[-224] */ + "movem.l (%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, (-160*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d0l, %%d4u, %%acc0\n" + "mac.w %%d0l, %%d4l, ( -96*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( -32*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( 32*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( 96*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d2l, %%d4u, %%acc0\n" + "mac.w %%d2l, %%d4l, ( 160*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, ( 224*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, (-256*4,%[x1]), %%d4, %%acc1\n" + "movem.l (16,%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, (-192*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d0l, %%d4u, %%acc0\n" + "mac.w %%d0l, %%d4l, (-128*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( -64*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( 0*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( 64*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2l, %%d4u, %%acc0\n" + "mac.w %%d2l, %%d4l, ( 128*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, ( 192*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, ( 224*4,%[x1]), %%d4, %%acc1\n" + "movclr.l %%acc0, %%d0\n" + "move.l %%d0, %[s0]\n" + "movclr.l %%acc1, %%d0\n" + "move.l %%d0, %[s1]\n" + + "movem.l (%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, ( 160*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d0l, %%d4u, %%acc0\n" + "mac.w %%d0l, %%d4l, ( 96*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( 32*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( -32*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( -96*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2l, %%d4u, %%acc0\n" + "mac.w %%d2l, %%d4l, (-160*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, (-224*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, ( 256*4,%[x2]), %%d4, %%acc1\n" + "movem.l (32,%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, ( 192*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d0l, %%d4u, %%acc0\n" + "mac.w %%d0l, %%d4l, ( 128*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( 64*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( 0*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( -64*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d2l, %%d4u, %%acc0\n" + "mac.w %%d2l, %%d4l, (-128*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, (-192*4,%[x2]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, %%acc1\n" + "movclr.l %%acc0, %%d0\n" + "move.l %%d0, %[t0]\n" + "movclr.l %%acc1, %%d0\n" + "move.l %%d0, %[t1]\n" + + : [x1] "+a" (x1), [x2] "+a" (x2), [s0] "+m" (s0), [t0] "+m" (t0), + [s1] "+m" (s1), [t1] "+m" (t1) + : [wp] "a" (wp) : "d0", "d1", "d2", "d3", "d4"); + + sb0[30+i*2] = shft4(t0) + shft13(s0) * wp[24]; + sb0[31+i*2] = shft13(t0) * wp[25] - shft13(s0) * wp[26]; + sb1[30+i*2] = shft4(t1) + shft13(s1) * wp[24]; + sb1[31+i*2] = shft13(t1) * wp[25] - shft13(s1) * wp[26]; + wp += 27; + x1 -= 2; + x2 += 2; } -#else - int k; - for(k=36,tmp=0; k--; ) - tmp += in[k] * win_int[m][k]; -#endif - out[m] = (tmp + 16384) >> 15; - } -} + asm volatile( + "move.l ( -32*4,%[x1]), %%d4\n" /* d4 = x1[-32] */ + "movem.l (%[wp]), %%d0-%%d3\n" /* load 8 values */ + + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, ( -96*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d0l, %%d4u, %%acc0\n" + "mac.w %%d0l, %%d4l, (-160*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, (-224*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( 32*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( 96*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2l, %%d4u, %%acc0\n" + "mac.w %%d2l, %%d4l, ( 160*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, ( 224*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, ( -16*4,%[x1]), %%d4, %%acc1\n" + "movclr.l %%acc0, %%d0\n" + "move.l %%d0, %[s0]\n" + "movclr.l %%acc1, %%d0\n" + "move.l %%d0, %[s1]\n" + + "movem.l (16,%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, ( -48*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( 16*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, ( -80*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( 48*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, (-112*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, ( 80*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, (-144*4,%[x1]), %%d4, %%acc1\n" + "movem.l (32,%[wp]), %%d0-%%d3\n" /* load 8 values */ + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, ( 112*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d0u, %%d4u, %%acc0\n" + "mac.w %%d0u, %%d4l, (-176*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1u, %%d4u, %%acc0\n" + "mac.w %%d1u, %%d4l, ( 144*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d1l, %%d4u, %%acc0\n" + "mac.w %%d1l, %%d4l, (-208*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, ( 176*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d2u, %%d4u, %%acc0\n" + "mac.w %%d2u, %%d4l, (-240*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3u, %%d4u, %%acc0\n" + "mac.w %%d3u, %%d4l, ( 208*4,%[x1]), %%d4, %%acc1\n" + "mac.w %%d3l, %%d4u, %%acc0\n" + "mac.w %%d3l, %%d4l, %%acc1\n" + "movclr.l %%acc0, %%d0\n" + "move.l %%d0, %[t0]\n" + "movclr.l %%acc1, %%d0\n" + "move.l %%d0, %[t1]\n" + + : [x1] "+a" (x1), [s0] "+m" (s0), [t0] "+m" (t0), + [s1] "+m" (s1), [t1] "+m" (t1) + : [wp] "a" (wp) : "d0", "d1", "d2", "d3", "d4"); + + u = shft4(s0 - t0); + v = shft4(s0 + t0); + t0 = sb0[14]; + s0 = sb0[15] - t0; + + sb0[31] = v + t0; /* A0 */ + sb0[30] = u + s0; /* A1 */ + sb0[15] = u - s0; /* A2 */ + sb0[14] = v - t0; /* A3 */ + + u = shft4(s1 - t1); + v = shft4(s1 + t1); + t1 = sb1[14]; + s1 = sb1[15] - t1; + + sb1[31] = v + t1; /* A0 */ + sb1[30] = u + s1; /* A1 */ + sb1[15] = u - s1; /* A2 */ + sb1[14] = v - t1; /* A3 */ + } +#else + int ch, s, t, *a; -void mdct_sub_int(int sb_sample[2][3][18][SBLIMIT], int (*mdct_freq)[2][samp_per_frame2]) -{ - int (*mdct_enc)[2][32][18] = (int (*)[2][32][18]) mdct_freq; - int ch, gr, band, k, bu, bd; - - for(gr=0; gr<2; gr++) - for(ch=config.wave.channels; ch--; ) + for(ch=0; ch<cfg.channels; ch++) + { + a = ch ? sb1 : sb0; + for(k=0; k<18; k++, wk+=64, a+=SBLIMIT) { - /* 576=4*16*9: Compensate for inversion in the analysis filter */ - for(band=33; (band-=2)>0; ) - for(k=19; (k-=2)>0; ) - sb_sample[ch][gr+1][k][band] = -sb_sample[ch][gr+1][k][band]; + wp = enwindow; + x1 = wk; + x2 = x1 - 124; - /* 82944=4*32*648: Perform imdct of 18 previous subband samples + 18 current subband samples */ - for(band=32; band--; ) + /* x1[-572] .... x1[448] = 1022 */ + /* 18*4*16*32 */ + for(i=-15; i<0; i++) { - for(k=18; k--; ) - { - mdct_in[k] = sb_sample[ch][ gr ][k][band]; - mdct_in[k+18] = sb_sample[ch][gr+1][k][band]; - } - - mdct_int(mdct_in, &mdct_enc[gr][ch][band][0]); + s = (int)x2[-224*2] * wp[ 0]; t = (int)x1[ 224*2] * wp[ 0]; + s += (int)x2[-160*2] * wp[ 1]; t += (int)x1[ 160*2] * wp[ 1]; + s += (int)x2[- 96*2] * wp[ 2]; t += (int)x1[ 96*2] * wp[ 2]; + s += (int)x2[- 32*2] * wp[ 3]; t += (int)x1[ 32*2] * wp[ 3]; + s += (int)x2[ 32*2] * wp[ 4]; t += (int)x1[- 32*2] * wp[ 4]; + s += (int)x2[ 96*2] * wp[ 5]; t += (int)x1[- 96*2] * wp[ 5]; + s += (int)x2[ 160*2] * wp[ 6]; t += (int)x1[-160*2] * wp[ 6]; + s += (int)x2[ 224*2] * wp[ 7]; t += (int)x1[-224*2] * wp[ 7]; + s += (int)x1[-256*2] * wp[ 8]; t += (int)x2[ 256*2] * wp[16]; + s += (int)x1[-192*2] * wp[ 9]; t += (int)x2[ 192*2] * wp[17]; + s += (int)x1[-128*2] * wp[10]; t += (int)x2[ 128*2] * wp[18]; + s += (int)x1[- 64*2] * wp[11]; t += (int)x2[ 64*2] * wp[19]; + s += (int)x1[ 0*2] * wp[12]; t += (int)x2[ 0*2] * wp[20]; + s += (int)x1[ 64*2] * wp[13]; t += (int)x2[- 64*2] * wp[21]; + s += (int)x1[ 128*2] * wp[14]; t += (int)x2[-128*2] * wp[22]; + s += (int)x1[ 192*2] * wp[15]; t += (int)x2[-192*2] * wp[23]; + + a[30+i*2] = shft4(t) + shft13(s) * wp[24]; + a[31+i*2] = shft13(t) * wp[25] - shft13(s) * wp[26]; + wp += 27; + x1 -= 2; + x2 += 2; } - /* 1024=4*256: Perform aliasing reduction butterfly*/ - for(band=31; band--; ) - for(k=8; k--; ) - { - bu = mdct_enc[gr][ch][band][17-k] * cs_int[k] + mdct_enc[gr][ch][band+1][k] * ca_int[k]; - bd = mdct_enc[gr][ch][band+1][k] * cs_int[k] - mdct_enc[gr][ch][band][17-k] * ca_int[k]; - mdct_enc[gr][ch][band][17-k] = (bu + 16384) >> 15; - mdct_enc[gr][ch][band+1][k] = (bd + 16384) >> 15; - } + t = (int)x1[- 16*2] * wp[ 8]; s = (int)x1[ -32*2] * wp[0]; + t += ((int)x1[- 48*2]-x1[ 16*2]) * wp[10]; s += (int)x1[ -96*2] * wp[1]; + t += ((int)x1[- 80*2]+x1[ 48*2]) * wp[12]; s += (int)x1[-160*2] * wp[2]; + t += ((int)x1[-112*2]-x1[ 80*2]) * wp[14]; s += (int)x1[-224*2] * wp[3]; + t += ((int)x1[-144*2]+x1[112*2]) * wp[16]; s += (int)x1[ 32*2] * wp[4]; + t += ((int)x1[-176*2]-x1[144*2]) * wp[18]; s += (int)x1[ 96*2] * wp[5]; + t += ((int)x1[-208*2]+x1[176*2]) * wp[20]; s += (int)x1[ 160*2] * wp[6]; + t += ((int)x1[-240*2]-x1[208*2]) * wp[22]; s += (int)x1[ 224*2] * wp[7]; + + u = shft4(s - t); + v = shft4(s + t); + t = a[14]; + s = a[15] - t; + + a[31] = v + t; /* A0 */ + a[30] = u + s; /* A1 */ + a[15] = u - s; /* A2 */ + a[14] = v - t; /* A3 */ } + wk -= 18 * 64 - 1; /* rewind wk (to next channel start) */ + } +#endif +} - /* Save latest granule's subband samples to be used in the next mdct call */ - for(ch=config.wave.channels ;ch--; ) - memcpy(sb_sample[ch][0], sb_sample[ch][2], 18 * 32 * sizeof(int)); +void window_subband2(short *x1, int a[SBLIMIT]) ICODE_ATTR; +void window_subband2(short *x1, int a[SBLIMIT]) +{ + int xr; + short *wp = enwindow; + short *x2 = x1 - 124; + + wp += 27 * 15; + x1 -= 2 * 15; + x2 += 2 * 15; + + xr = a[28] - a[0]; a[0] += a[28]; a[28] = shft9(xr) * wp[-2*27+25]; + xr = a[29] - a[1]; a[1] += a[29]; a[29] = shft9(xr) * wp[-2*27+25]; + xr = a[26] - a[2]; a[2] += a[26]; a[26] = shft9(xr) * wp[-4*27+25]; + xr = a[27] - a[3]; a[3] += a[27]; a[27] = shft9(xr) * wp[-4*27+25]; + xr = a[24] - a[4]; a[4] += a[24]; a[24] = shft9(xr) * wp[-6*27+25]; + xr = a[25] - a[5]; a[5] += a[25]; a[25] = shft9(xr) * wp[-6*27+25]; + xr = a[22] - a[6]; a[6] += a[22]; a[22] = shft9(xr) * SQRT ; + xr = a[23] - a[7]; a[7] += a[23]; a[23] = shft9(xr) * SQRT - a[7]; + a[ 7] -= a[ 6]; + a[22] -= a[ 7]; + a[23] -= a[22]; + + xr = a[ 6]; a[ 6] = a[31] - xr; a[31] = a[31] + xr; + xr = a[ 7]; a[ 7] = a[30] - xr; a[30] = a[30] + xr; + xr = a[22]; a[22] = a[15] - xr; a[15] = a[15] + xr; + xr = a[23]; a[23] = a[14] - xr; a[14] = a[14] + xr; + + xr = a[20] - a[ 8]; a[ 8] += a[20]; a[20] = shft9(xr) * wp[-10*27+25]; + xr = a[21] - a[ 9]; a[ 9] += a[21]; a[21] = shft9(xr) * wp[-10*27+25]; + xr = a[18] - a[10]; a[10] += a[18]; a[18] = shft9(xr) * wp[-12*27+25]; + xr = a[19] - a[11]; a[11] += a[19]; a[19] = shft9(xr) * wp[-12*27+25]; + xr = a[16] - a[12]; a[12] += a[16]; a[16] = shft9(xr) * wp[-14*27+25]; + xr = a[17] - a[13]; a[13] += a[17]; a[17] = shft9(xr) * wp[-14*27+25]; + xr =-a[20] + a[24]; a[20] += a[24]; a[24] = shft9(xr) * wp[-12*27+25]; + xr =-a[21] + a[25]; a[21] += a[25]; a[25] = shft9(xr) * wp[-12*27+25]; + xr = a[ 4] - a[ 8]; a[ 4] += a[ 8]; a[ 8] = shft9(xr) * wp[-12*27+25]; + xr = a[ 5] - a[ 9]; a[ 5] += a[ 9]; a[ 9] = shft9(xr) * wp[-12*27+25]; + xr = a[ 0] - a[12]; a[ 0] += a[12]; a[12] = shft9(xr) * wp[ -4*27+25]; + xr = a[ 1] - a[13]; a[ 1] += a[13]; a[13] = shft9(xr) * wp[ -4*27+25]; + xr = a[16] - a[28]; a[16] += a[28]; a[28] = shft9(xr) * wp[ -4*27+25]; + xr =-a[17] + a[29]; a[17] += a[29]; a[29] = shft9(xr) * wp[ -4*27+25]; + + xr = SQRT * shft9(a[ 2] - a[10]); a[ 2] += a[10]; a[10] = xr; + xr = SQRT * shft9(a[ 3] - a[11]); a[ 3] += a[11]; a[11] = xr; + xr = SQRT * shft9(a[26] - a[18]); a[18] += a[26]; a[26] = xr - a[18]; + xr = SQRT * shft9(a[27] - a[19]); a[19] += a[27]; a[27] = xr - a[19]; + + xr = a[ 2]; a[19] -= a[ 3]; a[ 3] -= xr; a[ 2] = a[31] - xr; a[31] += xr; + xr = a[ 3]; a[11] -= a[19]; a[18] -= xr; a[ 3] = a[30] - xr; a[30] += xr; + xr = a[18]; a[27] -= a[11]; a[19] -= xr; a[18] = a[15] - xr; a[15] += xr; + + xr = a[19]; a[10] -= xr; a[19] = a[14] - xr; a[14] += xr; + xr = a[10]; a[11] -= xr; a[10] = a[23] - xr; a[23] += xr; + xr = a[11]; a[26] -= xr; a[11] = a[22] - xr; a[22] += xr; + xr = a[26]; a[27] -= xr; a[26] = a[ 7] - xr; a[ 7] += xr; + + xr = a[27]; a[27] = a[6] - xr; a[6] += xr; + + xr = SQRT * shft9(a[ 0] - a[ 4]); a[ 0] += a[ 4]; a[ 4] = xr; + xr = SQRT * shft9(a[ 1] - a[ 5]); a[ 1] += a[ 5]; a[ 5] = xr; + xr = SQRT * shft9(a[16] - a[20]); a[16] += a[20]; a[20] = xr; + xr = SQRT * shft9(a[17] - a[21]); a[17] += a[21]; a[21] = xr; + xr =-SQRT * shft9(a[ 8] - a[12]); a[ 8] += a[12]; a[12] = xr - a[ 8]; + xr =-SQRT * shft9(a[ 9] - a[13]); a[ 9] += a[13]; a[13] = xr - a[ 9]; + xr =-SQRT * shft9(a[25] - a[29]); a[25] += a[29]; a[29] = xr - a[25]; + xr =-SQRT * shft9(a[24] + a[28]); a[24] -= a[28]; a[28] = xr - a[24]; + + xr = a[24] - a[16]; a[24] = xr; + xr = a[20] - xr; a[20] = xr; + xr = a[28] - xr; a[28] = xr; + + xr = a[25] - a[17]; a[25] = xr; + xr = a[21] - xr; a[21] = xr; + xr = a[29] - xr; a[29] = xr; + + xr = a[17] - a[1]; a[17] = xr; + xr = a[ 9] - xr; a[ 9] = xr; + xr = a[25] - xr; a[25] = xr; + xr = a[ 5] - xr; a[ 5] = xr; + xr = a[21] - xr; a[21] = xr; + xr = a[13] - xr; a[13] = xr; + xr = a[29] - xr; a[29] = xr; + + xr = a[ 1] - a[0]; a[ 1] = xr; + xr = a[16] - xr; a[16] = xr; + xr = a[17] - xr; a[17] = xr; + xr = a[ 8] - xr; a[ 8] = xr; + xr = a[ 9] - xr; a[ 9] = xr; + xr = a[24] - xr; a[24] = xr; + xr = a[25] - xr; a[25] = xr; + xr = a[ 4] - xr; a[ 4] = xr; + xr = a[ 5] - xr; a[ 5] = xr; + xr = a[20] - xr; a[20] = xr; + xr = a[21] - xr; a[21] = xr; + xr = a[12] - xr; a[12] = xr; + xr = a[13] - xr; a[13] = xr; + xr = a[28] - xr; a[28] = xr; + xr = a[29] - xr; a[29] = xr; + + xr = a[ 0]; a[ 0] += a[31]; a[31] -= xr; + xr = a[ 1]; a[ 1] += a[30]; a[30] -= xr; + xr = a[16]; a[16] += a[15]; a[15] -= xr; + xr = a[17]; a[17] += a[14]; a[14] -= xr; + xr = a[ 8]; a[ 8] += a[23]; a[23] -= xr; + xr = a[ 9]; a[ 9] += a[22]; a[22] -= xr; + xr = a[24]; a[24] += a[ 7]; a[ 7] -= xr; + xr = a[25]; a[25] += a[ 6]; a[ 6] -= xr; + xr = a[ 4]; a[ 4] += a[27]; a[27] -= xr; + xr = a[ 5]; a[ 5] += a[26]; a[26] -= xr; + xr = a[20]; a[20] += a[11]; a[11] -= xr; + xr = a[21]; a[21] += a[10]; a[10] -= xr; + xr = a[12]; a[12] += a[19]; a[19] -= xr; + xr = a[13]; a[13] += a[18]; a[18] -= xr; + xr = a[28]; a[28] += a[ 3]; a[ 3] -= xr; + xr = a[29]; a[29] += a[ 2]; a[ 2] -= xr; } -void filter_subband(short *buffer, int s[SBLIMIT], int k) +void mdct_long(int *out, int *in) ICODE_ATTR; +void mdct_long(int *out, int *in) { - short *enwindow = enwindow_int; - int i, j, tmp = 0; -#ifdef CPU_COLDFIRE - int reg_buff[14]; /* register storage buffer */ -#endif + int ct,st; + int tc1, tc2, tc3, tc4, ts5, ts6, ts7, ts8; + int ts1, ts2, ts3, ts4, tc5, tc6, tc7, tc8; + + /* 1,2, 5,6, 9,10, 13,14, 17 */ + tc1 = in[17] - in[ 9]; + tc3 = in[15] - in[11]; + tc4 = in[14] - in[12]; + ts5 = in[ 0] + in[ 8]; + ts6 = in[ 1] + in[ 7]; + ts7 = in[ 2] + in[ 6]; + ts8 = in[ 3] + in[ 5]; + + out[17] = (ts5 + ts7 - ts8) * cx[8] - (ts6 - in[4]) * cx[8]; + st = (ts5 + ts7 - ts8) * cx[7] + (ts6 - in[4]) * cx[8]; + ct = (tc1 - tc3 - tc4) * cx[6]; + out[5] = ct + st; + out[6] = ct - st; + + tc2 = (in[16] - in[10]) * cx[6]; + ts6 = ts6 * cx[7] + in[4] * cx[8]; - /* replace 32 oldest samples with 32 new samples */ - /* 2304=72*32: PCM Samples are little-endian, swap if necessary */ - if(config.byte_order == order_bigEndian) - { - for(i=32; i--; ) - { - j = *(unsigned short*)(buffer+=2); - x_int[k][i+off[k]] = (short)((j >> 8) | (j << 8)); - } - } - else - { - for(i=32; i--; ) - x_int[k][i+off[k]] = (short)*(buffer+=2); - } + ct = tc1 * cx[0] + tc2 + tc3 * cx[1] + tc4 * cx[2]; + st = -ts5 * cx[4] + ts6 - ts7 * cx[5] + ts8 * cx[3]; + out[1] = ct + st; + out[2] = ct - st; + + ct = tc1 * cx[1] - tc2 - tc3 * cx[2] + tc4 * cx[0]; + st = -ts5 * cx[5] + ts6 - ts7 * cx[3] + ts8 * cx[4]; + out[ 9] = ct + st; + out[10] = ct - st; + + ct = tc1 * cx[2] - tc2 + tc3 * cx[0] - tc4 * cx[1]; + st = ts5 * cx[3] - ts6 + ts7 * cx[4] - ts8 * cx[5]; + out[13] = ct + st; + out[14] = ct - st; + + ts1 = in[ 8] - in[ 0]; + ts3 = in[ 6] - in[ 2]; + ts4 = in[ 5] - in[ 3]; + tc5 = in[17] + in[ 9]; + tc6 = in[16] + in[10]; + tc7 = in[15] + in[11]; + tc8 = in[14] + in[12]; + + out[0] = (tc5 + tc7 + tc8) * cx[8] + (tc6 + in[13]) * cx[8]; + ct = (tc5 + tc7 + tc8) * cx[7] - (tc6 + in[13]) * cx[8]; + st = (ts1 - ts3 + ts4) * cx[6]; + out[11] = ct + st; + out[12] = ct - st; + + ts2 = (in[7] - in[1]) * cx[6]; + tc6 = in[13] * cx[8] - tc6 * cx[7]; + + ct = tc5 * cx[3] - tc6 + tc7 * cx[4] + tc8 * cx[5]; + st = ts1 * cx[2] + ts2 + ts3 * cx[0] + ts4 * cx[1]; + out[3] = ct + st; + out[4] = ct - st; + + ct =-tc5 * cx[5] + tc6 - tc7 * cx[3] - tc8 * cx[4]; + st = ts1 * cx[1] + ts2 - ts3 * cx[2] - ts4 * cx[0]; + out[7] = ct + st; + out[8] = ct - st; + + ct =-tc5 * cx[4] + tc6 - tc7 * cx[5] - tc8 * cx[3]; + st = ts1 * cx[0] - ts2 + ts3 * cx[1] - ts4 * cx[2]; + out[15] = ct + st; + out[16] = ct - st; +} - /* 36864=72*512: shift samples into proper window positions */ -#ifdef CPU_COLDFIRE - { short *xint = &x_int[k][off[k]]; - short *yint = y_int; +static int find_bitrate_index(int type, int bitrate) +{ + int i; - asm volatile ("movem.l %%d0/%%d2-%%d7/%%a2-%%a7,(%0)\n" : : "a" (reg_buff) : "d0"); - asm volatile( - "moveq.l #32, %%d0\n" - "move.l %%d0, %%acc2\n" /* set loop counter */ - "move.l %[xint], %%d0\n" /* d0 = x_int[k] */ - "or.l #0x3ff, %%d0\n" - "move.l %%d0, %%mask\n" /* set address mask */ - "move.l (%[xint]), %%d4\n" /* d4 = x_int[k][off[k]] */ - - "loop_start:\n" - "movem.l (%[enwindow]), %%d0-%%d3\n" /* load 4 values */ - "mac.w %%d0u, %%d4u, (0x080,%[xint])&, %%d5, %%acc0\n" - "mac.w %%d0l, %%d5u, (0x100,%[xint])&, %%d6, %%acc0\n" - "mac.w %%d1u, %%d6u, (0x180,%[xint])&, %%d7, %%acc0\n" - "mac.w %%d1l, %%d7u, (0x200,%[xint])&, %%a2, %%acc0\n" - "mac.w %%d2u, %%a2u, (0x280,%[xint])&, %%a3, %%acc0\n" - "mac.w %%d2l, %%a3u, (0x300,%[xint])&, %%a4, %%acc0\n" - "mac.w %%d3u, %%a4u, (0x380,%[xint])&, %%a5, %%acc0\n" - "mac.w %%d3l, %%a5u, %%acc0\n" - - "movem.l (16,%[enwindow]), %%d0-%%d3\n" /* load 8 values */ - "mac.w %%d0u, %%d4l, %%acc1\n" - "mac.w %%d0l, %%d5l, %%acc1\n" - "mac.w %%d1u, %%d6l, %%acc1\n" - "mac.w %%d1l, %%d7l, %%acc1\n" - "mac.w %%d2u, %%a2l, %%acc1\n" - "mac.w %%d2l, %%a3l, %%acc1\n" - "mac.w %%d3u, %%a4l, %%acc1\n" - "addq.l #4, %[xint]\n" /* xint += 2 */ - "mac.w %%d3l, %%a5l, (%[xint])&, %%d4, %%acc1\n" - - "movclr.l %%acc0, %%d5\n" - "movclr.l %%acc1, %%d6\n" - "move.l #262144, %%d7\n" - "add.l %%d7, %%d5\n" - "add.l %%d7, %%d6\n" - "moveq.l #19, %%d7\n" - "asr.l %%d7, %%d5\n" - "asr.l %%d7, %%d6\n" - "move.w %%d5, (%[yint])+\n" - "move.w %%d6, (%[yint])+\n" - - "add.l #32, %[enwindow]\n" /* enwindow += 16 */ - - "moveq.l #1, %%d0\n" - "msac.l %%d0, %%d0, %%acc2\n" - "move.l %%acc2, %%d0\n" - "tst.b %%d0\n" - "jbne loop_start\n" - - : [xint] "+a" (xint), [yint] "+a" (yint) - : [enwindow] "a" (enwindow) - : "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a2", "a3", "a4", "a5"); - - asm volatile ("movem.l (%0),%%d0/%%d2-%%d7/%%a2-%%a7\n" : : "a" (reg_buff) : "d0"); - } -#else - for(i=0; i<64; i++) - { - for(j=0, tmp=0; j<512; j+=64) - tmp += (int)x_int[k][(i+0+j+off[k])&(HAN_SIZE-1)] * (int)*(enwindow++); - y_int[i] = (short)((tmp + (1<<18)) >> 19); - } -#endif - - /* 147456=72*2048 */ - for(i=SBLIMIT; i--; ) /* SBLIMIT: 32 */ - { - short *filt = filter_int[i]; + for(i=0;i<14;i++) + if(bitrate == bitr_index[type][i]) + break; -#ifdef CPU_COLDFIRE - { - asm volatile( - "move.l (%[yint])+, %%a5\n" - "movem.l (%[filt]), %%d0-%%d7\n" - "mac.w %%d0u, %%a5u, %%acc0\n" - "mac.w %%d0l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d1u, %%a5u, %%acc0\n" - "mac.w %%d1l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d2u, %%a5u, %%acc0\n" - "mac.w %%d2l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d3u, %%a5u, %%acc0\n" - "mac.w %%d3l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d4u, %%a5u, %%acc0\n" - "mac.w %%d4l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d5u, %%a5u, %%acc0\n" - "mac.w %%d5l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d6u, %%a5u, %%acc0\n" - "mac.w %%d6l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d7u, %%a5u, %%acc0\n" - "mac.w %%d7l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "movem.l (32,%[filt]), %%d0-%%d7\n" - "mac.w %%d0u, %%a5u, %%acc0\n" - "mac.w %%d0l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d1u, %%a5u, %%acc0\n" - "mac.w %%d1l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d2u, %%a5u, %%acc0\n" - "mac.w %%d2l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d3u, %%a5u, %%acc0\n" - "mac.w %%d3l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d4u, %%a5u, %%acc0\n" - "mac.w %%d4l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d5u, %%a5u, %%acc0\n" - "mac.w %%d5l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d6u, %%a5u, %%acc0\n" - "mac.w %%d6l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d7u, %%a5u, %%acc0\n" - "mac.w %%d7l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "movem.l (64,%[filt]), %%d0-%%d7\n" - "mac.w %%d0u, %%a5u, %%acc0\n" - "mac.w %%d0l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d1u, %%a5u, %%acc0\n" - "mac.w %%d1l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d2u, %%a5u, %%acc0\n" - "mac.w %%d2l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d3u, %%a5u, %%acc0\n" - "mac.w %%d3l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d4u, %%a5u, %%acc0\n" - "mac.w %%d4l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d5u, %%a5u, %%acc0\n" - "mac.w %%d5l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d6u, %%a5u, %%acc0\n" - "mac.w %%d6l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d7u, %%a5u, %%acc0\n" - "mac.w %%d7l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "movem.l (96,%[filt]), %%d0-%%d7\n" - "mac.w %%d0u, %%a5u, %%acc0\n" - "mac.w %%d0l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d1u, %%a5u, %%acc0\n" - "mac.w %%d1l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d2u, %%a5u, %%acc0\n" - "mac.w %%d2l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d3u, %%a5u, %%acc0\n" - "mac.w %%d3l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d4u, %%a5u, %%acc0\n" - "mac.w %%d4l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d5u, %%a5u, %%acc0\n" - "mac.w %%d5l, %%a5l, (%[yint])+, %%a5, %%acc0\n" - "mac.w %%d6u, %%a5u, %%acc0\n" - "mac.w %%d6l, %%a5l, (%[yint]), %%a5, %%acc0\n" - "mac.w %%d7u, %%a5u, %%acc0\n" - "mac.w %%d7l, %%a5l, %%acc0\n" - "lea.l (-31*4, %[yint]), %[yint]\n" /* wrap yint back to start */ - "movclr.l %%acc0, %[tmp]" - : [tmp] "=r" (tmp) : [filt] "a" (filt), [yint] "a" (y_int) - : "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a5" ); - } -#else - for(j=64, tmp=0; j--; ) - tmp += (long)filt[j] * (long)y_int[j]; -#endif - s[i] = (tmp + 16384) >> 15; - } + return i; +} + +static int find_samplerate_index(long freq, int *mp3_type) +{ /* MPEG 2 */ /* MPEG 1 */ + static long mpeg[2][3] = { {22050, 24000, 16000}, {44100, 48000, 32000} }; + int mpg, rate; + + /* set default values: MPEG1 at 44100/s */ + *mp3_type = 1; + + for(mpg=0; mpg<2; mpg++) + for(rate=0; rate<3; rate++) + if(freq == mpeg[mpg][rate]) + { *mp3_type = mpg; return rate; } - off[k] = (off[k] + 480) & (HAN_SIZE-1); /* offset is modulo HAN_SIZE */ + return 0; } -void compress(void) +void init_mp3_encoder_engine(bool stereo, int bitrate, int sample_rate) { - int channel; - int i; - char stg[20]; - int gr; - side_info_t cod_info[2][2]; - short *buffer_window[2]; - unsigned long avg_slots_per_frame; - long frac_slots_per_frame; - long whole_slots_per_frame; - long slot_lag; - int mean_bits; - int sideinfo_len; - - open_bitstream(config.outfile); - - memset(cod_info , 0 , sizeof(cod_info )); - memset(x_int0 , 0 , sizeof(x_int0 )); - memset(x_int1 , 0 , sizeof(x_int1 )); - memset(y_int , 0 , sizeof(y_int )); - memset(mdct_freq , 0 , sizeof(mdct_freq )); - memset(enc_data , 0 , sizeof(enc_data )); - memset(off , 0 , sizeof(off )); - memset(mdct_in , 0 , sizeof(mdct_in )); - memset(sb_sample , 0 , sizeof(sb_sample )); - memset(&CodedData , 0 , sizeof(CodedData )); - memcpy(scalefac_long, sfBandIndex[config.mpeg.samplerate_index + (config.mpeg.type * 3)], sizeof(scalefac_long)); - memcpy(ca_int , ca_int_const , sizeof(ca_int )); - memcpy(cs_int , cs_int_const , sizeof(cs_int )); - memcpy(win_int , win_int_const , sizeof(win_int )); - memcpy(filter_int , filter_int_const , sizeof(filter_int )); - memcpy(enwindow_int, enwindow_int_const, sizeof(enwindow_int)); - memcpy(int2idx , int2idx_const , sizeof(int2idx )); - memcpy(ht_count1 , ht_count1_const , sizeof(ht_count1 )); - memcpy( t1HB , t1HB_const , sizeof(t1HB )); - memcpy( t2HB , t2HB_const , sizeof(t2HB )); - memcpy( t3HB , t3HB_const , sizeof(t3HB )); - memcpy( t5HB , t5HB_const , sizeof(t5HB )); - memcpy( t6HB , t6HB_const , sizeof(t6HB )); - memcpy( t7HB , t7HB_const , sizeof(t7HB )); - memcpy( t8HB , t8HB_const , sizeof(t8HB )); - memcpy( t9HB , t9HB_const , sizeof(t9HB )); - memcpy(t10HB , t10HB_const , sizeof(t10HB )); - memcpy(t11HB , t11HB_const , sizeof(t11HB )); - memcpy(t12HB , t12HB_const , sizeof(t12HB )); - memcpy(t13HB , t13HB_const , sizeof(t13HB )); - memcpy(t15HB , t15HB_const , sizeof(t15HB )); - memcpy(t16HB , t16HB_const , sizeof(t16HB )); - memcpy(t24HB , t24HB_const , sizeof(t24HB )); - memcpy( t1l , t1l_const , sizeof(t1l )); - memcpy( t2l , t2l_const , sizeof(t2l )); - memcpy( t3l , t3l_const , sizeof(t3l )); - memcpy( t5l , t5l_const , sizeof(t5l )); - memcpy( t6l , t6l_const , sizeof(t6l )); - memcpy( t7l , t7l_const , sizeof(t7l )); - memcpy( t8l , t8l_const , sizeof(t8l )); - memcpy( t9l , t9l_const , sizeof(t9l )); - memcpy(t10l , t10l_const , sizeof(t10l )); - memcpy(t11l , t11l_const , sizeof(t11l )); - memcpy(t12l , t12l_const , sizeof(t12l )); - memcpy(t13l , t13l_const , sizeof(t13l )); - memcpy(t15l , t15l_const , sizeof(t15l )); - memcpy(t16l , t16l_const , sizeof(t16l )); - memcpy(t24l , t24l_const , sizeof(t24l )); - memcpy(ht , ht_const , sizeof(ht )); - - /* I don't know, wether this is really necessary */ - ht[ 0].table = NULL; ht[ 0].hlen = NULL;/* Apparently not used */ + uint32 avg_byte_per_frame; + +#ifdef ROCKBOX_LITTLE_ENDIAN + cfg.byte_order = order_littleEndian; +#else + cfg.byte_order = order_bigEndian; +#endif + + if(bitrate < 96 && stereo && sample_rate >= 32000) + { /* use MPEG2 format */ + sample_rate >>= 1; + cfg.resample = 1; + cfg.granules = 1; + } + else + { /* use MPEG1 format */ + cfg.resample = 0; + cfg.granules = 2; + } + + cfg.samplerate = sample_rate; + cfg.channels = stereo ? 2 : 1; + cfg.mpg.mode = stereo ? 0 : 3; /* 0=stereo, 3=mono */ + cfg.mpg.bitrate = stereo ? bitrate : bitrate > 160 ? 160 : bitrate; + cfg.mpg.smpl_id = find_samplerate_index(cfg.samplerate, &cfg.mpg.type); + cfg.mpg.bitr_id = find_bitrate_index(cfg.mpg.type, cfg.mpg.bitrate); + cfg.mpg.num_bands = num_bands[stereo ? cfg.mpg.type : 2][cfg.mpg.bitr_id]; + + memcpy(scalefac, sfBand[cfg.mpg.smpl_id + 3*cfg.mpg.type], sizeof(scalefac)); + memset(mfbuf , 0 , sizeof(mfbuf )); + memset(mdct_freq , 0 , sizeof(mdct_freq )); + memset(enc_data , 0 , sizeof(enc_data )); + memset(sb_data , 0 , sizeof(sb_data )); + memset(&CodedData, 0 , sizeof(CodedData )); + memcpy(ca , ca_const , sizeof(ca )); + memcpy(cs , cs_const , sizeof(cs )); + memcpy(cx , cx_const , sizeof(cx )); + memcpy(win , win_const , sizeof(win )); + memcpy(enwindow , enwindow_const , sizeof(enwindow )); + memcpy(int2idx , int2idx_const , sizeof(int2idx )); + memcpy(ht_count , ht_count_const , sizeof(ht_count )); + memcpy( tab01 , tab01_const , sizeof(tab01 )); + memcpy( tab23 , tab23_const , sizeof(tab23 )); + memcpy( tab56 , tab56_const , sizeof(tab56 )); + memcpy( tab1315 , tab1315_const , sizeof(tab1315 )); + memcpy( tab1624 , tab1624_const , sizeof(tab1624 )); + memcpy( tab789 , tab789_const , sizeof(tab789 )); + memcpy( tabABC , tabABC_const , sizeof(tabABC )); + memcpy( t1HB , t1HB_const , sizeof(t1HB )); + memcpy( t2HB , t2HB_const , sizeof(t2HB )); + memcpy( t3HB , t3HB_const , sizeof(t3HB )); + memcpy( t5HB , t5HB_const , sizeof(t5HB )); + memcpy( t6HB , t6HB_const , sizeof(t6HB )); + memcpy( t7HB , t7HB_const , sizeof(t7HB )); + memcpy( t8HB , t8HB_const , sizeof(t8HB )); + memcpy( t9HB , t9HB_const , sizeof(t9HB )); + memcpy(t10HB , t10HB_const , sizeof(t10HB )); + memcpy(t11HB , t11HB_const , sizeof(t11HB )); + memcpy(t12HB , t12HB_const , sizeof(t12HB )); + memcpy(t13HB , t13HB_const , sizeof(t13HB )); + memcpy(t15HB , t15HB_const , sizeof(t15HB )); + memcpy(t16HB , t16HB_const , sizeof(t16HB )); + memcpy(t24HB , t24HB_const , sizeof(t24HB )); + memcpy( t1l , t1l_const , sizeof(t1l )); + memcpy( t2l , t2l_const , sizeof(t2l )); + memcpy( t3l , t3l_const , sizeof(t3l )); + memcpy( t5l , t5l_const , sizeof(t5l )); + memcpy( t6l , t6l_const , sizeof(t6l )); + memcpy( t7l , t7l_const , sizeof(t7l )); + memcpy( t8l , t8l_const , sizeof(t8l )); + memcpy( t9l , t9l_const , sizeof(t9l )); + memcpy(t10l , t10l_const , sizeof(t10l )); + memcpy(t11l , t11l_const , sizeof(t11l )); + memcpy(t12l , t12l_const , sizeof(t12l )); + memcpy(t13l , t13l_const , sizeof(t13l )); + memcpy(t15l , t15l_const , sizeof(t15l )); + memcpy(t16l , t16l_const , sizeof(t16l )); + memcpy(t24l , t24l_const , sizeof(t24l )); + memcpy(ht , ht_const , sizeof(ht )); + + ht[ 0].table = NULL; ht[ 0].hlen = NULL; /* Apparently not used */ ht[ 1].table = t1HB; ht[ 1].hlen = t1l; ht[ 2].table = t2HB; ht[ 2].hlen = t2l; ht[ 3].table = t3HB; ht[ 3].hlen = t3l; - ht[ 4].table = NULL; ht[ 4].hlen = NULL;/* Apparently not used */ + ht[ 4].table = NULL; ht[ 4].hlen = NULL; /* Apparently not used */ ht[ 5].table = t5HB; ht[ 5].hlen = t5l; ht[ 6].table = t6HB; ht[ 6].hlen = t6l; ht[ 7].table = t7HB; ht[ 7].hlen = t7l; @@ -1705,126 +2088,197 @@ void compress(void) ht[11].table = t11HB; ht[11].hlen = t11l; ht[12].table = t12HB; ht[12].hlen = t12l; ht[13].table = t13HB; ht[13].hlen = t13l; - ht[14].table = NULL; ht[14].hlen = NULL;/* Apparently not used */ + ht[14].table = NULL; ht[14].hlen = NULL; /* Apparently not used */ ht[15].table = t15HB; ht[15].hlen = t15l; - ht[16].table = t16HB; ht[16].hlen = t16l; - ht[17].table = t16HB; ht[17].hlen = t16l; - ht[18].table = t16HB; ht[18].hlen = t16l; - ht[19].table = t16HB; ht[19].hlen = t16l; - ht[20].table = t16HB; ht[20].hlen = t16l; - ht[21].table = t16HB; ht[21].hlen = t16l; - ht[22].table = t16HB; ht[22].hlen = t16l; - ht[23].table = t16HB; ht[23].hlen = t16l; - ht[24].table = t24HB; ht[24].hlen = t24l; - ht[25].table = t24HB; ht[25].hlen = t24l; - ht[26].table = t24HB; ht[26].hlen = t24l; - ht[27].table = t24HB; ht[27].hlen = t24l; - ht[28].table = t24HB; ht[28].hlen = t24l; - ht[29].table = t24HB; ht[29].hlen = t24l; - ht[30].table = t24HB; ht[30].hlen = t24l; - ht[31].table = t24HB; ht[31].hlen = t24l; - - x_int[0] = x_int0; - x_int[1] = x_int1; -#ifdef CPU_COLDFIRE - asm volatile ("move.l #0, %macsr"); /* integer mode */ -#endif - -#ifndef SIMULATOR - if(((long)x_int0 | (long)x_int1) & 0x7ff) - return; /* both arrays must be aligned to 0x800 boundary */ -#endif + /* Figure average number of 'bytes' per frame */ + avg_byte_per_frame = SAMPL2 * 16000 * cfg.mpg.bitrate / (2 - cfg.mpg.type); + avg_byte_per_frame = avg_byte_per_frame / cfg.samplerate; + cfg.byte_per_frame = avg_byte_per_frame / 64; + cfg.frac_per_frame = avg_byte_per_frame & 63; + cfg.slot_lag = 0; + cfg.sideinfo_len = 32 + (cfg.mpg.type ? (cfg.channels == 1 ? 136 : 256) + : (cfg.channels == 1 ? 72 : 136)); +} - if(config.wave.channels == 1) - sideinfo_len = 32 + 136; - else - sideinfo_len = 32 + 256; - - /* Set initial step size */ - cod_info[0][0].quantizerStepSize = 0x10; - cod_info[0][1].quantizerStepSize = 0x10; - cod_info[1][0].quantizerStepSize = 0x10; - cod_info[1][1].quantizerStepSize = 0x10; - - /* Figure average number of 'slots' per frame. */ - frames_processed = 0; - avg_slots_per_frame = (uint32)(samp_per_frame * 8000 * config.mpeg.bitr) / config.wave.samplerate; - whole_slots_per_frame = avg_slots_per_frame / 64; - frac_slots_per_frame = avg_slots_per_frame - 64 * whole_slots_per_frame; - slot_lag = -frac_slots_per_frame; - if(frac_slots_per_frame == 0) - config.mpeg.padding = 0; +void compress(void) +{ + int i, ii, gr, k, ch, shift, gr_cnt; + int max, min; + char stg[20]; while(1) { - rb->lcd_clear_display(); - rb->snprintf(stg, 20, "Frame %d / %d", frames_processed++, wav_size/samp_per_frame/4); - rb->lcd_putsxy(4, 20, stg); - rb->lcd_update(); + if((frames & 7) == 0) + { rb->lcd_clear_display(); + rb->snprintf(stg, 20, "Frame %d / %d", frames, wav_size/SAMPL2/8); + rb->lcd_putsxy(4, 20, stg); + rb->lcd_update(); + } + /* encode one mp3 frame in this loop */ + memset(CodedData.bbuf, 0, sizeof(CodedData.bbuf)); + + if((cfg.slot_lag += cfg.frac_per_frame) >= 64) + { /* Padding for this frame */ + cfg.slot_lag -= 64; + cfg.mpg.padding = 1; + } + else + cfg.mpg.padding = 0; - if(read_samples(buffer, samp_per_frame<<1) == 0) - break; + cfg.mean_bits = (8 * cfg.byte_per_frame + 8 * cfg.mpg.padding + - cfg.sideinfo_len) / cfg.granules / cfg.channels; - buffer_window[0] = &buffer[-2]; - buffer_window[1] = &buffer[-1]; + /* shift out old samples */ + memcpy(mfbuf, mfbuf + 2*cfg.granules*576, 4*512); - if(frac_slots_per_frame) - { - if(slot_lag > frac_slots_per_frame - 64) - { /* No padding for this frame */ - slot_lag -= frac_slots_per_frame; - config.mpeg.padding = 0; + /* read new samples to iram for further processing */ + if(read_samples((uint32*)(mfbuf + 2*512), SAMP_PER_FRAME) == 0) + break; + + /* swap bytes if neccessary */ + if(cfg.byte_order == order_bigEndian) + for(i=0; i<SAMP_PER_FRAME; i++) + { + uint32 t = ((uint32*)mfbuf)[512 + i]; + t = ((t >> 8) & 0xff00ff) | ((t << 8) & 0xff00ff00); + ((uint32*)mfbuf)[512 + i] = t; } - else - { /* Padding for this frame */ - slot_lag += (64 - frac_slots_per_frame); - config.mpeg.padding = 1; + + if(cfg.resample) /* downsample to half of original */ + for(i=2*512; i<2*512+2*SAMP_PER_FRAME; i+=4) + { + mfbuf[i/2+512] = (short)(((int)mfbuf[i+0] + mfbuf[i+2]) >> 1); + mfbuf[i/2+513] = (short)(((int)mfbuf[i+1] + mfbuf[i+3]) >> 1); } - } - config.mpeg.bits_per_frame = 8 * (whole_slots_per_frame + config.mpeg.padding); - mean_bits = (config.mpeg.bits_per_frame - sideinfo_len) >> 1; + if(cfg.channels == 1) /* mix left and right channels to mono */ + for(i=2*512; i<2*512+2*SAMP_PER_FRAME; i+=2) + mfbuf[i] = mfbuf[i+1] = (short)(((int)mfbuf[i] + mfbuf[i+1]) >> 1); + + cfg.ResvSize = 0; + gr_cnt = cfg.granules * cfg.channels; + CodedData.bitpos = cfg.sideinfo_len; /* leave space for mp3 header */ + for(gr=0; gr<cfg.granules; gr++) + { + short *wk = mfbuf + 2*286 + gr*1152; + + /* 16bit packed wav data can be windowed efficiently on coldfire */ + window_subband1(wk, sb_data[0][1-gr][0], sb_data[1][1-gr][0]); + + for(ch=0; ch<cfg.channels; ch++) + { + int band; + int *mdct; - /* polyphase filtering */ - for(gr=0; gr<2; gr++) - for(channel=config.wave.channels; channel--; ) - for(i=0; i<18; i++) + wk = mfbuf + 2*286 + gr*1152 + ch; + + /* 36864=4*18*16*32 */ + for(k=0; k<18; k++, wk+=64) { - filter_subband(buffer_window[channel], &sb_sample[channel][gr+1][i][0], channel); - buffer_window[channel] += 64; + window_subband2(wk, sb_data[ch][1-gr][k]); + /* Compensate for inversion in the analysis filter */ + if(k & 1) + for(band=1; band<32; band+=2) + sb_data[ch][1-gr][k][band] *= -1; } - mdct_sub_int(sb_sample, mdct_freq); - /* bit and noise allocation */ - iteration_loop(mdct_freq, cod_info, mean_bits); - /* write the frame to the bitstream */ - format_bitstream(enc_data, cod_info, mdct_freq); - } - /* write last chunks to disk */ - rb->write(*mp3file, enc_buffer, enc_chunk*256*sizeof(uint32)); -} + /* Perform imdct of 18 previous + 18 current subband samples */ + /* for integer precision do this loop twice (if neccessary) */ + shift = k = 14; + for(ii=0; ii<2 && k; ii++) + { + mdct = mdct_freq; + cfg.cod_info[gr][ch].additStep = 4 * (14 - shift); + for(band=0; band<cfg.mpg.num_bands; band++, mdct+=18) + { + int *band0 = sb_data[ch][ gr][0] + order[band]; + int *band1 = sb_data[ch][1-gr][0] + order[band]; + int work[18]; + + /* 9216=4*32*9*8 */ + for(k=-9; k<0; k++) + { + int a = shft_n(band1[(k+9)*32], shift); + int b = shft_n(band1[(8-k)*32], shift); + int c = shft_n(band0[(k+9)*32], shift); + int d = shft_n(band0[(8-k)*32], shift); -static int find_bitrate_index(int bitr) -{ - static long mpeg1[15] = {0,32,40,48,56,64,80,96,112,128,160,192,224,256,320}; - int i; + work[k+ 9] = shft16(a * win[k+ 9][0] + b * win[k+ 9][1] + + c * win[k+ 9][2] + d * win[k+ 9][3]); - for(i=0;i<15;i++) - if(bitr==mpeg1[i]) return i; + work[k+18] = shft16(c * win[k+18][0] + d * win[k+18][1] + + a * win[k+18][2] + b * win[k+18][3]); + } - return -1; -} + /* 7200=4*18*100 */ + mdct_long(mdct, work); + + /* Perform aliasing reduction butterfly */ + if(band != 0) + for(k=7; k>=0; --k) + { + int bu, bd; + bu = shft15(mdct[k]) * ca[k] + shft15(mdct[-1-k]) * cs[k]; + bd = shft15(mdct[k]) * cs[k] - shft15(mdct[-1-k]) * ca[k]; + mdct[-1-k] = bu; + mdct[ k ] = bd; + } + } + + max = min = 0; + for(k=0; k<576; k++) + { + mdct_freq[k] = shft13(mdct_freq[k]); + if(max < mdct_freq[k]) max = mdct_freq[k]; + if(min > mdct_freq[k]) min = mdct_freq[k]; + } + + max = (max > -min) ? max : -min; + cfg.cod_info[gr][ch].max_val = (long)max; + + /* calc new shift for higher integer precision */ + for(k=0; max<(0x3c00>>k); k++); + shift = 12 - k; + } -static int find_samplerate_index(long freq) -{ - static long mpeg1[3] = {44100, 48000, 32000}; - int i; + cfg.cod_info[gr][ch].quantStep += cfg.cod_info[gr][ch].additStep; - for(i=0;i<3;i++) - if(freq==mpeg1[i]) return i; + /* bit and noise allocation */ + iteration_loop(mdct_freq, &cfg.cod_info[gr][ch], gr_cnt--); + /* write the frame to the bitstream */ + Huffmancodebits(enc_data, mdct_freq, &cfg.cod_info[gr][ch]); - return -1; + cfg.cod_info[gr][ch].quantStep -= cfg.cod_info[gr][ch].additStep; + + if(cfg.granules == 1) + memcpy(sb_data[ch][0], sb_data[ch][1], sizeof(sb_data[ch][0])); + } + } + + enc_size = (CodedData.bitpos + 7) >> 3; + /* finish this chunk by adding sideinfo header data */ + CodedData.bitpos = 0; + encodeSideInfo( cfg.cod_info ); + + if(cfg.byte_order != order_bigEndian) + for(i=0; i<(enc_size+3)/4; i++) + CodedData.bbuf[i] = myswap32(CodedData.bbuf[i]); + + if(enc_chunk + enc_size > 65536) + { + /* copy iram mp3 buffer to sdram/file */ + rb->write(mp3file, enc_buffer, enc_chunk & ~3); + memcpy(enc_buffer, enc_buffer + (enc_chunk >> 2), enc_chunk & 3); + enc_chunk &= 3; + } + + memcpy((char*)enc_buffer + enc_chunk, CodedData.bbuf, enc_size); + enc_chunk += enc_size; + frames++; + } + /* write last chunks to disk */ + rb->write(mp3file, enc_buffer, enc_chunk); } @@ -1834,45 +2288,43 @@ char mp3_name[80]; void read_wav_files(char *dirname) { - DIR *dir = rb->opendir(dirname); + DIR *dir = rb->opendir(dirname); - if(!dir) - return; + if(!dir) + return; - while(true) - { - struct dirent *entry; + while(true) + { + struct dirent *entry; - entry = rb->readdir(dir); - if(!entry) - break; + entry = rb->readdir(dir); + if(!entry) + break; - if( !(entry->attribute & ATTR_DIRECTORY) ) - { - int slen = rb->strlen(entry->d_name); + if( !(entry->attribute & ATTR_DIRECTORY) ) + { + int slen = rb->strlen(entry->d_name); - /* add all wav audio files */ - if(!rb->strcasecmp(entry->d_name + slen - 4, ".wav")) - { - if(num_file >= 12) - break; + /* add all wav audio files */ + if(!rb->strcasecmp(entry->d_name + slen - 4, ".wav")) + { + if(num_file >= 12) + break; - rb->strncpy(filename[num_file], dirname, 79); - slen = rb->strlen(filename[num_file]); - rb->strncpy(filename[num_file++] + slen, entry->d_name, 79); - } - } + rb->strncpy(filename[num_file], dirname, 79); + slen = rb->strlen(filename[num_file]); + rb->strncpy(filename[num_file++] + slen, entry->d_name, 79); + } } - rb->closedir(dir); + } + rb->closedir(dir); } -char *get_mp3_filename(char *wav_name) +void get_mp3_filename(char *wav_name) { int slen = rb->strlen(wav_name); rb->strncpy(mp3_name, wav_name, 79); rb->strncpy(mp3_name + slen - 4, ".mp3", 5); - - return mp3_name; } #if CONFIG_KEYPAD == IRIVER_H100_PAD || CONFIG_KEYPAD == IRIVER_H300_PAD @@ -1902,16 +2354,20 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { int fil, sfil, nfil; /* for file selection */ int rat, srat, nrat; /* for rate selection */ - int i, cont, butt; - long tim = 0; + int cont = 1, butt; + long tim = 0; char stg[40]; - char *bitratename[] = { "64","80","96","112","128","160","192","224","256","320" }; - int brate[] = { 64,80,96,112,128,160,192,224,256,320 }; + char* bstrg[] = {"64","80","96","112","128","160","192","224","256","320"}; + int brate[] = { 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 }; (void)parameter; rb = api; -#ifdef USE_IRAM +#ifdef CPU_COLDFIRE + asm volatile ("move.l #0, %macsr"); /* integer mode */ +#endif + +#ifdef USE_IRAM memcpy(iramstart, iramcopy, iramend - iramstart); memset(iedata, 0, iend - iedata); #endif @@ -1923,31 +2379,40 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) #endif rb->button_clear_queue(); - read_wav_files("/"); - read_wav_files(REC_BASE_DIR"/"); + /* check 'viewer' or 'plugin' call */ + if(parameter == NULL || *(char*)parameter == 0) + { + read_wav_files("/"); + read_wav_files(REC_BASE_DIR"/"); - nfil = num_file - 1; - sfil = 0; /* set first file as default */ - cont = 1; + nfil = num_file - 1; + sfil = 0; /* set first file as default */ - while(cont && (butt = rb->button_get_w_tmo(HZ/10)) != MP3ENC_SELECT) - { - switch(butt) + while(cont && (butt = rb->button_get_w_tmo(HZ/10)) != MP3ENC_SELECT) { - case MP3ENC_DONE: cont = 0; break; - case MP3ENC_PREV: if(sfil > 0 ) sfil--; break; - case MP3ENC_NEXT: if(sfil < nfil) sfil++; break; - } + switch(butt) + { + case MP3ENC_DONE: cont = 0; break; + case MP3ENC_PREV: if(sfil > 0 ) sfil--; break; + case MP3ENC_NEXT: if(sfil < nfil) sfil++; break; + } - rb->lcd_clear_display(); - rb->lcd_putsxy(2, 2, "-- Select WAV-File --"); + rb->lcd_clear_display(); + rb->lcd_putsxy(2, 2, "-- Select WAV-File --"); - for(fil=0; fil<=nfil; fil++) - rb->lcd_putsxy(2, 12 + fil*8, filename[fil]); - rb->lcd_set_drawmode(DRMODE_COMPLEMENT); - rb->lcd_fillrect(0, 12 + sfil*8, 127, 8); - rb->lcd_set_drawmode(DRMODE_SOLID); - rb->lcd_update(); + for(fil=0; fil<=nfil; fil++) + rb->lcd_putsxy(2, 12 + fil*8, filename[fil]); + + rb->lcd_set_drawmode(DRMODE_COMPLEMENT); + rb->lcd_fillrect(0, 12 + sfil*8, 127, 8); + rb->lcd_set_drawmode(DRMODE_SOLID); + rb->lcd_update(); + } + } + else + { + sfil = 0; + rb->strncpy(filename[0], (char*)parameter, 79); } nrat = 9; @@ -1966,58 +2431,45 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) rb->lcd_putsxy(2, 2, "-- Select Bitrate --"); for(rat=0; rat<=nrat; rat++) - rb->lcd_putsxy(2, 12 + rat*8, bitratename[rat]); + rb->lcd_putsxy(2, 12 + rat*8, bstrg[rat]); rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_fillrect(0, 12 + srat*8, 127, 8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_update(); } - config.infile = filename[sfil]; - config.outfile = get_mp3_filename(filename[sfil]); -#ifdef ROCKBOX_LITTLE_ENDIAN - config.byte_order = order_littleEndian; -#else - config.byte_order = order_bigEndian; -#endif - config.mpeg.type = 1; - config.mpeg.layr = 2; - config.mpeg.mode = 0; - config.mpeg.bitr = brate[srat]; - config.mpeg.emph = 0; - config.mpeg.crc = 0; - config.mpeg.ext = 0; - config.mpeg.mode_ext = 0; - config.mpeg.copyright = 0; - config.mpeg.original = 1; - config.mpeg.bitrate_index = find_bitrate_index(config.mpeg.bitr); + wav_filename = filename[sfil]; if(cont) { - if((i=wave_open()) == 0) + if(wave_open() == 0) { - config.mpeg.samplerate_index = find_samplerate_index(config.wave.samplerate); + init_mp3_encoder_engine(true, brate[srat], cfg.samplerate); + get_mp3_filename(wav_filename); + mp3file = rb->open(mp3_name , O_WRONLY|O_CREAT|O_TRUNC); + frames = 0; tim = *rb->current_tick; compress(); tim = *rb->current_tick - tim; - wave_close(); - rb->close(*mp3file); + rb->close(wavfile); + rb->close(mp3file); } else { - rb->snprintf(stg, 20, "WaveOpen failed: %d", i); + rb->close(wavfile); + rb->snprintf(stg, 20, "WaveOpen failed %d", wave_open()); rb->lcd_putsxy(0, 20, stg); rb->lcd_update(); - rb->sleep(2*HZ); + rb->sleep(5*HZ); } rb->lcd_clear_display(); - rb->snprintf(stg, 30, " Conversion: %d.%02ds ", tim/100, tim%100); + rb->snprintf(stg, 30, " Conversion: %d.%02ds ", tim/100, tim%100); rb->lcd_putsxy(0, 30, stg); - tim = frames_processed * samp_per_frame * 100 / 44100; /* unit=.01s */ - rb->snprintf(stg, 30, " WAV-Length: %d.%02ds ", tim/100, tim%100); + tim = frames * SAMP_PER_FRAME * 100 / 44100; /* unit=.01s */ + rb->snprintf(stg, 30, " WAV-Length: %d.%02ds ", tim/100, tim%100); rb->lcd_putsxy(0, 20, stg); rb->lcd_update(); rb->sleep(5*HZ); 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