/* 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 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" PLUGIN_HEADER PLUGIN_IRAM_DECLARE static struct plugin_api* rb; MEM_FUNCTION_WRAPPERS(rb); #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; /* 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 { 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 { 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; typedef struct { int bitpos; /* current bitpos for writing */ uint32 bbuf[263]; } BF_Data; struct huffcodetab { int len; /* max. index */ const uint8 *table; /* pointer to array[len][len] */ const uint8 *hlen; /* pointer to array[len][len] */ }; 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 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 { 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 */ {2, 3}, /* 10 bands */ {2, 3}, /* 11 bands */ {3, 4}, /* 12 bands */ {3, 4}, /* 13 bands */ {3, 4}, /* 14 bands */ {4, 5}, /* 15 bands */ {4, 5}, /* 16 bands */ {4, 6}, /* 17 bands */ {5, 6}, /* 18 bands */ {5, 6}, /* 19 bands */ {5, 7}, /* 20 bands */ {6, 7}, /* 21 bands */ {6, 7}, /* 22 bands */ }; 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}, /* Table B.2.c: 24 kHz */ {0,6,12,18,24,30,36,44,54,66,80,96,114,136,162,194,232,278,330,394,464,540,576}, /* Table B.2.a: 16 kHz */ {0,6,12,18,24,30,36,44,45,66,80,96,116,140,168,200,238,248,336,396,464,522,576}, /* Table B.8.b: 44.1 kHz */ {0,4, 8,12,16,20,24,30,36,44,52,62, 74, 90,110,134,162,196,238,288,342,418,576}, /* Table B.8.c: 48 kHz */ {0,4, 8,12,16,20,24,30,36,42,50,60, 72, 88,106,128,156,190,230,276,330,384,576}, /* 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} }; 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, 78, 78, 78, 78, 79, 79, 79, 79, 79, 80, 80, 80, 80, 80, 80, 81, 81, 81, 81, 81, 81, 82, 82, 82, 82, 82, 82, 83, 83, 83, 83, 83, 84, 84, 84, 84, 84, 84, 85, 85, 85, 85, 85, 85, 86, 86, 86, 86, 86, 86, 87, 87, 87, 87, 87, 87, 88, 88, 88, 88, 88, 88, 89, 89, 89, 89, 89, 89, 90, 90, 90, 90, 90, 90, 91, 91, 91, 91, 91, 91, 92, 92, 92, 92, 92, 92, 93, 93, 93, 93, 93, 93, 94, 94, 94, 94, 94, 94, 95, 95, 95, 95, 95, 95, 96, 96, 96, 96, 96, 96, 97, 97, 97, 97, 97, 97, 98, 98, 98, 98, 98, 98, 99, 99, 99, 99, 99, 99, 99,100,100,100,100,100,100,101,101,101,101,101,101,102,102,102,102,102,102, 103 static inline intptr_t str_send_msg(struct stream *str, long id, intptr_t data) { return rb->queue_send(str->hdr.q, id, data); } static inline void str_post_msg(struct stream *str, long id, intptr_t data) { rb->queue_post(str->hdr.q, id, data); } #endif /* STREAM_THREAD_H */
generated by cgit v1.1 at 2026-05-04 09:40:32 +0000
168,168,169,169,169,169,169,169,169,169,170, 170,170,170,170,170,170,171,171,171,171,171,171,171,172,172,172,172,172,172,172, 172,173,173,173,173,173,173,173,174,174,174,174,174,174,174,174,175,175,175,175, 175,175,175,176,176,176,176,176,176,176,176,177,177,177,177,177,177,177,178,178, 178,178,178,178,178,178,179,179,179,179,179,179,179,180,180,180,180,180,180,180, 180,181,181,181,181,181,181,181,182,182,182,182,182,182,182,182,183,183,183,183, 183,183,183,184,184,184,184,184,184,184,184,185,185,185,185,185,185,185,186,186, 186,186,186,186,186,186,187,187,187,187,187,187,187,187,188,188,188,188,188,188, 188,189,189,189,189,189,189,189,189,190,190,190,190,190,190,190,190,191,191,191, 191,191,191,191,192,192,192,192,192,192,192,192,193,193,193,193,193,193,193,193, 194,194,194,194,194,194,194,195,195,195,195,195,195,195,195,196,196,196,196,196, 196,196,196,197,197,197,197,197,197,197,197,198,198,198,198,198,198,198,199,199, 199,199,199,199,199,199,200,200,200,200,200,200,200,200,201,201,201,201,201,201, 201,201,202,202,202,202,202,202,202,202,203,203,203,203,203,203,203,204,204,204, 204,204,204,204,204,205,205,205,205,205,205,205,205,206,206,206,206,206,206,206, 206,207,207,207,207,207,207,207,207,208,208,208,208,208,208,208,208,209,209,209, 209,209,209,209,209,210,210,210,210,210,210,210,210,211,211,211,211,211,211,211, 211,212,212,212,212,212,212,212,212,213,213,213,213,213,213,213,213,214,214,214, 214,214,214,214,214,215,215,215,215,215,215,215,215,216,216,216,216,216,216,216, 216,217,217,217,217,217,217,217,217,218,218,218,218,218,218,218,218,219,219,219, 219,219,219,219,219,220,220,220,220,220,220,220,220,221,221,221,221,221,221,221, 221,222,222,222,222,222,222,222,222,223,223,223,223,223,223,223,223,224,224,224, 224,224,224,224,224,225,225,225,225,225,225,225,225,226,226,226,226,226,226,226, 226,227,227,227,227,227,227,227,227,228,228,228,228,228,228,228,228,229,229,229, 229,229,229,229,229,229,230,230,230,230,230,230,230,230,231,231,231,231,231,231, 231,231,232,232,232,232,232,232,232,232,233,233,233,233,233,233,233,233,234,234, 234,234,234,234,234,234,234,235,235,235,235,235,235,235,235,236,236,236,236,236, 236,236,236,237,237,237,237,237,237,237,237,238,238,238,238,238,238,238,238,238, 239,239,239,239,239,239,239,239,240,240,240,240,240,240,240,240,241,241,241,241, 241,241,241,241,242,242,242,242,242,242,242,242,242,243,243,243,243,243,243,243, 243,244,244,244,244,244,244,244,244,245,245,245,245,245,245,245,245,245,246,246, 246,246,246,246,246,246,247,247,247,247,247,247,247,247,248,248,248,248,248,248, 248,248,248,249,249,249,249,249,249,249,249,250,250,250,250,250,250,250,250,250, 251,251,251,251,251,251,251,251,252,252,252,252,252,252,252,252,253,253,253,253, 253,253,253,253,253,254,254,254,254,254,254,254,254,255,255,255,255,255,255,255, 255,255,256,256,256,256,256,256,256,256,257,257,257,257,257,257,257,257,257,258, 258,258,258,258,258,258,258,259,259,259,259,259,259,259,259,259,260,260,260,260, 260,260,260,260,261,261,261,261,261,261,261,261,261,262,262,262,262,262,262,262, 262,263,263,263,263,263,263,263,263,263,264,264,264,264,264,264,264,264,265,265, 265,265,265,265,265,265,265,266,266,266,266,266,266,266,266,267,267,267,267,267, 267,267,267,267,268,268,268,268,268,268,268,268,268,269,269,269,269,269,269,269, 269,270,270,270,270,270,270,270,270,270,271,271,271,271,271,271,271,271,271,272, 272,272,272,272,272,272,272,273,273,273,273,273,273,273,273,273,274,274,274,274, 274,274,274,274,275,275,275,275,275,275,275,275,275,276,276,276,276,276,276,276, 276,276,277,277,277,277,277,277,277,277,277,278,278,278,278,278,278,278,278,279, 279,279,279,279,279,279,279,279,280,280,280,280,280,280,280,280,280,281,281,281, 281,281,281,281,281,282,282,282,282,282,282,282,282,282,283,283,283,283,283,283, 283,283,283,284,284,284,284,284,284,284,284,284,285,285,285,285,285,285,285,285, 286,286,286,286,286,286,286,286,286,287,287,287,287,287,287,287,287,287,288,288, 288,288,288,288,288,288,288,289,289,289,289,289,289,289,289,289,290,290,290,290, 290,290,290,290,291,291,291,291,291,291,291,291,291,292,292,292,292,292,292,292, 292,292,293,293,293,293,293,293,293,293,293,294,294,294,294,294,294,294,294,294, 295,295,295,295,295,295,295,295,295,296,296,296,296,296,296,296,296,296,297,297, 297,297,297,297,297,297,297,298,298,298,298,298,298,298,298,299,299,299,299,299, 299,299,299,299,300,300,300,300,300,300,300,300,300,301,301,301,301,301,301,301, 301,301,302,302,302,302,302,302,302,302,302,303,303,303,303,303,303,303,303,303, 304,304,304,304,304,304,304,304,304,305,305,305,305,305,305,305,305,305,306,306, 306,306,306,306,306,306,306,307,307,307,307,307,307,307,307,307,308,308,308,308, 308,308,308,308,308,309,309,309,309,309,309,309,309,309,310,310,310,310,310,310, 310,310,310,311,311,311,311,311,311,311,311,311,312,312,312,312,312,312,312,312, 312,313,313,313,313,313,313,313,313,313,314,314,314,314,314,314,314,314,314,315, 315,315,315,315,315,315,315,315,316,316,316,316,316,316,316,316,316,317,317,317, 317,317,317,317,317,317,318,318,318,318,318,318,318,318,318,318,319,319,319,319, 319,319,319,319,319,320,320,320,320,320,320,320,320,320,321,321,321,321,321,321, 321,321,321,322,322,322,322,322,322,322,322,322,323,323,323,323,323,323,323,323, 323,324,324,324,324,324,324,324,324,324,325,325,325,325,325,325,325,325,325,325, 326,326,326,326,326,326,326,326,326,327,327,327,327,327,327,327,327,327,328,328, 328,328,328,328,328,328,328,329,329,329,329,329,329,329,329,329,330,330,330,330, 330,330,330,330,330,330,331,331,331,331,331,331,331,331,331,332,332,332,332,332, 332,332,332,332,333,333,333,333,333,333,333,333,333,334,334,334,334,334,334,334, 334,334,335,335,335,335,335,335,335,335,335,335,336,336,336,336,336,336,336,336, 336,337,337,337,337,337,337,337,337,337,338,338,338,338,338,338,338,338,338,338, 339,339,339,339,339,339,339,339,339,340,340,340,340,340,340,340,340,340,341,341, 341,341,341,341,341,341,341,341,342,342,342,342,342,342,342,342,342,343,343,343, 343,343,343,343,343,343,344,344,344,344,344,344,344,344,344,344,345,345,345,345, 345,345,345,345,345,346,346,346,346,346,346,346,346,346,347,347,347,347,347,347, 347,347,347,347,348,348,348,348,348,348,348,348,348,349,349,349,349,349,349,349, 349,349,350,350,350,350,350,350,350,350,350,350,351,351,351,351,351,351,351,351, 351,352,352,352,352,352,352,352,352,352,352,353,353,353,353,353,353,353,353,353, 354,354,354,354,354,354,354,354,354,355,355,355,355,355,355,355,355,355,355,356, 356,356,356,356,356,356,356,356,357,357,357,357,357,357,357,357,357,357,358,358, 358,358,358,358,358,358,358,359,359,359,359,359,359,359,359,359,359,360,360,360, 360,360,360,360,360,360,361,361,361,361,361,361,361,361,361,361,362,362,362,362, 362,362,362,362,362,363,363,363,363,363,363,363,363,363,363,364,364,364,364,364, 364,364,364,364,365,365,365,365,365,365,365,365,365,365,366,366,366,366,366,366, 366,366,366,367,367,367,367,367,367,367,367,367,367,368,368,368,368,368,368,368, 368,368,369,369,369,369,369,369,369,369,369,369,370,370,370,370,370,370,370,370, 370,370,371,371,371,371,371,371,371,371,371,372,372,372,372,372,372,372,372,372, 372,373,373,373,373,373,373,373,373,373,374,374,374,374,374,374,374,374,374,374, 375,375,375,375,375,375,375,375,375,375,376,376,376,376,376,376,376,376,376,377, 377,377,377,377,377,377,377,377,377,378,378,378,378,378,378,378,378,378,379,379, 379,379,379,379,379,379,379,379,380,380,380,380,380,380,380,380,380,380,381,381, 381,381,381,381,381,381,381,382,382,382,382,382,382,382,382,382,382,383,383,383, 383,383,383,383,383,383,383,384,384,384,384,384,384,384,384,384,385,385,385,385, 385,385,385,385,385,385,386,386,386,386,386,386,386,386,386,386,387,387,387,387, 387,387,387,387,387,387,388,388,388,388,388,388,388,388,388,389,389,389,389,389, 389,389,389,389,389,390,390,390,390,390,390,390,390,390,390,391,391,391,391,391, 391,391,391,391,391,392,392,392,392,392,392,392,392,392,393,393,393,393,393,393, 393,393,393,393,394,394,394,394,394,394,394,394,394,394,395,395,395,395,395,395, 395,395,395,395,396,396,396,396,396,396,396,396,396,397,397,397,397,397,397,397, 397,397,397,398,398,398,398,398,398,398,398,398,398,399,399,399,399,399,399,399, 399,399,399,400,400,400,400,400,400,400,400,400,400,401,401,401,401,401,401,401, 401,401,402,402,402,402,402,402,402,402,402,402,403,403,403,403,403,403,403,403, 403,403,404,404,404,404,404,404,404,404,404,404,405,405,405,405,405,405,405,405, 405,405,406,406,406,406,406,406,406,406,406,406,407,407,407,407,407,407,407,407, 407,407,408,408,408,408,408,408,408,408,408,408,409,409,409,409,409,409,409,409, 409,410,410,410,410,410,410,410,410,410,410,411,411,411,411,411,411,411,411,411, 411,412,412,412,412,412,412,412,412,412,412,413,413,413,413,413,413,413,413,413, 413,414,414,414,414,414,414,414,414,414,414,415,415,415,415,415,415,415,415,415, 415,416,416,416,416,416,416,416,416,416,416,417,417,417,417,417,417,417,417,417, 417,418,418,418,418,418,418,418,418,418,418,419,419,419,419,419,419,419,419,419, 419,420,420,420,420,420,420,420,420,420,420,421,421,421,421,421,421,421,421,421, 421,422,422,422,422,422,422,422,422,422,422,423,423,423,423,423,423,423,423,423, 423,424,424,424,424,424,424,424,424,424,424,425,425,425,425,425,425,425,425,425, 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 }; 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 */ 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 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 fd, char *string) { char temp[4]; rb->read(fd, temp, 4); return (*(long*)temp == *(long*)string) ? 1 : 0; } int Read16BitsLowHigh(int fd) { char first, second; rb->read(fd, &first, 1); rb->read(fd, &second, 1); return ((int)second << 8) | (first & 0xff); } int Read32BitsLowHigh(int fd) { int first = 0xffff & Read16BitsLowHigh(fd); int second = 0xffff & Read16BitsLowHigh(fd); return (second << 16) + first; } int wave_open(void) { unsigned short wFormatTag; unsigned long dAvgBytesPerSec; unsigned short wBlockAlign; unsigned short bits_per_samp; long header_size; 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(uint32 *buffer, int num_samples) { int s, samples = rb->read(wavfile, buffer, 4 * num_samples) / 4; /* Pad last sample with zeros */ for(s=samples; spart2_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; chpart2_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( short *ix, int *xr, side_info_t *gi ) { 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 stuffWords = stuffBits >> 5; int remainBits = stuffBits & 31; if( remainBits ) putbits( ~0, remainBits ); while( stuffWords-- ) putbits( ~0, 32 ); /* Huffman code tables leed to padding ones */ } } int HuffmanCod1( short *ix, int *xr, uint32 begin, uint32 end, int tbl) { 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 15 ) { /* ESC-table is used */ uint32 linbits = ht_big[table-16].linbits; uint16 *hffcode = table < 24 ? t16HB : t24HB; uint8 *hlen = table < 24 ? t16l : t24l; for(i=begin; i 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) { if(x > 14) { code = (code << linbits) | xl; bit += linbits; } code = (code << 1) | sign_x; bit += 1; } if(y) { if(y > 14) { code = (code << linbits) | yl; bit += linbits; } code = (code << 1) | sign_y; bit += 1; } putlong( code, bit ); sumbit += bit; } } else { /* No ESC-words */ const struct huffcodetab *h = &ht[table]; for(i=begin; ilen + 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; } } /* flush remaining bits */ putbits(cc, sz); return sumbit; } 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, table0, table1; for(i=begin,max=0; i max) max = ix[i]; if(max < 16) { /* tables without linbits */ /* indx: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ /* len: 0, 2, 3, 3, 0, 4, 4, 6, 6, 6, 8, 8, 8, 16, 0, 16 */ switch(max) { 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 { /* tables with linbits */ max -= 15; for(table0=0; table0<8; table0++) if(ht_big[table0].linmax >= max) break; for(table1=8; table1<16; table1++) if(ht_big[table1].linmax >= max) break; return 16 + count_bigv(ix, begin, end, table0, table1, bits); } } int find_best_2(short *ix, uint32 start, uint32 end, const uint32 *table, uint32 len, int *bits) { uint32 i, sum = 0; for(i=start; i> 16)) { *bits = (sum & 0xffff); return 1; } else { *bits = sum >> 16; return 0; } } 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; /* avoid overflow in packed additions: 78*13 < 1024 */ for(i=start; i end ? end : i + 2*78; for(sum=0; i> 20); sum2 += (sum >> 10) & 0x3ff; sum3 += (sum >> 0) & 0x3ff; } i = 0; if(sum1 > sum2) { sum1 = sum2; i = 1; } if(sum1 > sum3) { sum1 = sum3; i = 2; } *bits = sum1; return i; } /*************************************************************************/ /* Function: Count the number of bits necessary to code the subregion. */ /*************************************************************************/ int count_bit1(short *ix, uint32 start, uint32 end, int *bits ) { uint32 i, sum = 0; for(i=start; i 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; } } /*************************************************************************/ /* Function: Calculation of rzero, count1, address3 */ /* (Partitions ix into big values, quadruples and zeros). */ /*************************************************************************/ int calc_runlen( short *ix, side_info_t *si ) { int p, i, sum = 0; for(i=SAMPL2; i-=2; ) if(*(uint32*)&ix[i-2]) /* !!!! short *ix; !!!!! */ break; si->count1 = 0; for( ; i>3; i-=4) { int v = ix[i-1]; int w = ix[i-2]; int x = ix[i-3]; int y = ix[i-4]; if((v | w | x | y) <= 1) { p = (y<<3) + (x<<2) + (w<<1) + (v); sum += tab01[p]; si->count1++; } else break; } si->address3 = i; if((sum >> 16) < (sum & 0xffff)) { si->table_select[3] = 0; return sum >> 16; } else { si->table_select[3] = 1; return sum & 0xffff; } } /*************************************************************************/ /* Function: Quantization of the vector xr ( -> ix) */ /*************************************************************************/ int quantize_int(int *xr, short *ix, side_info_t *si) { 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; } /*************************************************************************/ /* subdivides the bigvalue region which will use separate Huffman tables */ /*************************************************************************/ void subdivide(side_info_t *si) { int scfb, count0, count1; 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]; } } /*******************************************************************/ /* Count the number of bits necessary to code the bigvalues region */ /*******************************************************************/ int bigv_bitcount(short *ix, side_info_t *gi) { int b1=0, b2=0, b3=0; /* Select huffman code tables for bigvalues regions */ gi->table_select[0] = 0; gi->table_select[1] = 0; gi->table_select[2] = 0; if( gi->address1 > 0 ) /* region0 */ gi->table_select[0] = choose_table(ix, 0 , gi->address1, &b1); if( gi->address2 > gi->address1 ) /* region1 */ gi->table_select[1] = choose_table(ix, gi->address1, gi->address2, &b2); if( gi->address3 > gi->address2 ) /* region2 */ gi->table_select[2] = choose_table(ix, gi->address2, gi->address3, &b3); return b1+b2+b3; } int quantize_and_count_bits(int *xr, short *ix, side_info_t *si) { int bits = 10000; if(quantize_int(xr, ix, si)) { 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 quantStep for a particular set of scalefacs */ /***********************************************************************/ int inner_loop(int *xr, int max_bits, side_info_t *si) { int bits; while((bits=quantize_and_count_bits(xr, enc_data, si)) < max_bits-64) { if(si->quantStep == 0) break; if(si->quantStep <= 2) si->quantStep = 0; else si->quantStep -= 2; } while(bits > max_bits) { si->quantStep++; bits = quantize_and_count_bits(xr, enc_data, si); } return bits; } void iteration_loop(int *xr, side_info_t *si, int gr_cnt) { 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) { si->part2_3_length += cfg.ResvSize; /* mp3 format allows max 12bits for granule length */ if(si->part2_3_length > 4092) { 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); } } } /* 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 k, i, u, v; short *wp, *x1, *x2; #ifdef CPU_COLDFIRE 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( "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; } 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; for(ch=0; ch= 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[ 5].table = t5HB; ht[ 5].hlen = t5l; ht[ 6].table = t6HB; ht[ 6].hlen = t6l; ht[ 7].table = t7HB; ht[ 7].hlen = t7l; ht[ 8].table = t8HB; ht[ 8].hlen = t8l; ht[ 9].table = t9HB; ht[ 9].hlen = t9l; ht[10].table = t10HB; ht[10].hlen = t10l; 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[15].table = t15HB; ht[15].hlen = t15l; /* 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)); } void compress(void) { int i, ii, gr, k, ch, shift, gr_cnt; int max, min; char stg[20]; while(1) { 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; cfg.mean_bits = (8 * cfg.byte_per_frame + 8 * cfg.mpg.padding - cfg.sideinfo_len) / cfg.granules / cfg.channels; /* shift out old samples */ memcpy(mfbuf, mfbuf + 2*cfg.granules*576, 4*512); /* 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> 8) & 0xff00ff) | ((t << 8) & 0xff00ff00); ((uint32*)mfbuf)[512 + i] = t; } 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); } 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=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; } cfg.cod_info[gr][ch].quantStep += cfg.cod_info[gr][ch].additStep; /* 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]); 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); } int num_file; char filename[12][80]; char mp3_name[80]; void read_wav_files(char *dirname) { DIR *dir = rb->opendir(dirname); if(!dir) return; while(true) { struct dirent *entry; entry = rb->readdir(dir); if(!entry) break; 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; 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); } 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); } #if CONFIG_KEYPAD == IRIVER_H100_PAD || CONFIG_KEYPAD == IRIVER_H300_PAD #define MP3ENC_PREV BUTTON_UP #define MP3ENC_NEXT BUTTON_DOWN #define MP3ENC_DONE BUTTON_OFF #define MP3ENC_SELECT BUTTON_SELECT #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \ (CONFIG_KEYPAD == IPOD_1G2G_PAD) #define MP3ENC_PREV BUTTON_SCROLL_BACK #define MP3ENC_NEXT BUTTON_SCROLL_FWD #define MP3ENC_DONE BUTTON_MENU #define MP3ENC_SELECT BUTTON_SELECT #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD #define MP3ENC_PREV BUTTON_UP #define MP3ENC_NEXT BUTTON_DOWN #define MP3ENC_DONE BUTTON_POWER #define MP3ENC_SELECT BUTTON_SELECT #elif CONFIG_KEYPAD == GIGABEAT_PAD #define MP3ENC_PREV BUTTON_UP #define MP3ENC_NEXT BUTTON_DOWN #define MP3ENC_DONE BUTTON_POWER #define MP3ENC_SELECT BUTTON_SELECT #elif CONFIG_KEYPAD == SANSA_E200_PAD #define MP3ENC_PREV BUTTON_UP #define MP3ENC_NEXT BUTTON_DOWN #define MP3ENC_DONE BUTTON_POWER #define MP3ENC_SELECT BUTTON_SELECT #elif CONFIG_KEYPAD == IRIVER_H10_PAD #define MP3ENC_PREV BUTTON_SCROLL_UP #define MP3ENC_NEXT BUTTON_SCROLL_DOWN #define MP3ENC_DONE BUTTON_POWER #define MP3ENC_SELECT BUTTON_PLAY #endif 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 cont = 1, butt; long tim = 0; char stg[40]; 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; PLUGIN_IRAM_INIT(api) #ifdef CPU_COLDFIRE asm volatile ("move.l #0, %macsr"); /* integer mode */ #endif rb = api; rb->lcd_setfont(FONT_SYSFIXED); #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(true); #endif rb->button_clear_queue(); /* 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 */ while(cont && (butt = rb->button_get_w_tmo(HZ/10)) != MP3ENC_SELECT) { 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 --"); 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; srat = 4; /* set 128kBit as default */ while(cont && (butt = rb->button_get_w_tmo(HZ/10)) != MP3ENC_SELECT) { switch(butt) { case MP3ENC_DONE: cont = 0; break; case MP3ENC_PREV: if(srat > 0 ) srat--; break; case MP3ENC_NEXT: if(srat < nrat) srat++; break; } rb->lcd_clear_display(); rb->lcd_putsxy(2, 2, "-- Select Bitrate --"); for(rat=0; rat<=nrat; 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(); } wav_filename = filename[sfil]; if(cont) { if(wave_open() == 0) { 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; rb->close(wavfile); rb->close(mp3file); } else { rb->close(wavfile); rb->snprintf(stg, 20, "WaveOpen failed %d", wave_open()); rb->lcd_putsxy(0, 20, stg); rb->lcd_update(); rb->sleep(5*HZ); } rb->lcd_clear_display(); rb->snprintf(stg, 30, " Conversion: %ld.%02lds ", tim/100, tim%100); rb->lcd_putsxy(0, 30, stg); tim = frames * SAMP_PER_FRAME * 100 / 44100; /* unit=.01s */ rb->snprintf(stg, 30, " WAV-Length: %ld.%02lds ", tim/100, tim%100); rb->lcd_putsxy(0, 20, stg); rb->lcd_update(); rb->sleep(5*HZ); } rb->lcd_setfont(FONT_UI); #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(false); #endif return PLUGIN_OK; }