cedba8830f
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8366 a1c6a512-1295-4272-9138-f99709370657
2025 lines
111 KiB
C
2025 lines
111 KiB
C
// Shine is an MP3 encoder
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// Copyright (C) 1999-2000 Gabriel Bouvigne
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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#define samp_per_frame 1152
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#define samp_per_frame2 576
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#define HAN_SIZE 512
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#define SBLIMIT 32
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#define WAVE_RIFF_PCM 0
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#define MAX_CHANNELS 2
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#define MAX_GRANULES 2
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#define HTN 34
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#define true 1
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#define false 0
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#define uint32 unsigned int
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#define uint16 unsigned short
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#define uint8 unsigned char
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#define enct8 unsigned char
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#ifndef bool
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#define bool int
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#endif
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enum e_byte_order { order_unknown, order_bigEndian, order_littleEndian };
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#include "plugin.h"
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#define PFILE int*
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#define memcpy rb->memcpy
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#define memset rb->memset
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PLUGIN_HEADER
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static struct plugin_api* rb;
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#ifdef USE_IRAM
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extern char iramcopy[];
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extern char iramstart[];
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extern char iramend[];
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extern char iedata[];
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extern char iend[];
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#endif
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typedef struct {
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PFILE file;
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int channels;
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int bits;
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long samplerate;
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long total_samples;
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long length;
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} wave_t;
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typedef struct {
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int type;
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int layr;
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int mode;
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int bitr;
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int emph;
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int padding;
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long bits_per_frame;
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long bitrate_index;
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int samplerate_index;
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int crc;
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int ext;
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int mode_ext;
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int copyright;
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int original;
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} mpeg_t;
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typedef struct {
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enum e_byte_order byte_order;
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char* infile;
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wave_t wave;
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char* outfile;
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mpeg_t mpeg;
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} config_t;
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typedef struct {
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int bitpos;
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uint32 bbuf[257];
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} BF_Data;
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/* Side information */
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typedef struct {
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unsigned part2_3_length;
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unsigned big_values;
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int count1;
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unsigned global_gain;
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unsigned table_select[4];
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unsigned region0_count;
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unsigned region1_count;
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unsigned address1;
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unsigned address2;
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unsigned address3;
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long quantizerStepSize;
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} side_info_t;
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struct huffcodetab {
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int xlen; /*max. x-index+ */
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int ylen; /*max. y-index+ */
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int linbits; /*number of linbits */
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int linmax; /*max number stored in linbits */
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const uint16 *table; /*pointer to array[xlen][ylen] */
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const uint8 *hlen; /*pointer to array[xlen][ylen] */
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};
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/* !!!!!!!! start of IRAM area: do not insert before x_int1 array !!!!!!!!!!!!! */
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short x_int0 [HAN_SIZE] IBSS_ATTR; // 1024 Bytes
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int mdct_freq [2][2][samp_per_frame2] IBSS_ATTR; // 9216 Bytes
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short x_int1 [HAN_SIZE] IBSS_ATTR; // 1024 Bytes
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/* !!!!!!!!!!!!!!!!!!!!! here you may insert other data !!!!!!!!!!!!!!!!!!!!!!! */
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uint8 int2idx [4096] IBSS_ATTR; // 4096 Bytes
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enct8 enc_data [2][2][samp_per_frame2] IBSS_ATTR; // 4608 Bytes
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short y_int [64] IBSS_ATTR; // 256 Bytes
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int off [2] IBSS_ATTR; // 16 Bytes
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int scalefac_long[23] IBSS_ATTR; // 96 Bytes
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int mdct_in [36] IBSS_ATTR; // 144 Bytes
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int sb_sample [2][3][18][SBLIMIT] IBSS_ATTR; // 13824 Bytes
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BF_Data CodedData IBSS_ATTR; // 1040 Bytes
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int ca_int [8] IBSS_ATTR; // 32 Bytes
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int cs_int [8] IBSS_ATTR; // 32 Bytes
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int win_int [18][36] IBSS_ATTR; // 2592 Bytes
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short filter_int [SBLIMIT][64] IBSS_ATTR; // 8192 Bytes
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short enwindow_int[512] IBSS_ATTR; // 1024 Bytes
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uint8 ht_count1 [2][2][16] IBSS_ATTR; // 64 Bytes
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uint16 t1HB [ 4] IBSS_ATTR; // Bytes
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uint16 t2HB [ 9] IBSS_ATTR; // Bytes
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uint16 t3HB [ 9] IBSS_ATTR; // Bytes
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uint16 t5HB [ 16] IBSS_ATTR; // Bytes
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uint16 t6HB [ 16] IBSS_ATTR; // Bytes
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uint16 t7HB [ 36] IBSS_ATTR; // Bytes
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uint16 t8HB [ 36] IBSS_ATTR; // Bytes
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uint16 t9HB [ 36] IBSS_ATTR; // Bytes
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uint16 t10HB [ 64] IBSS_ATTR; // Bytes
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uint16 t11HB [ 64] IBSS_ATTR; // Bytes
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uint16 t12HB [ 64] IBSS_ATTR; // Bytes
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uint16 t13HB [256] IBSS_ATTR; // Bytes
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uint16 t15HB [256] IBSS_ATTR; // Bytes
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uint16 t16HB [256] IBSS_ATTR; // Bytes
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uint16 t24HB [256] IBSS_ATTR; // Bytes
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uint8 t1l [ 4] IBSS_ATTR; // Bytes
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uint8 t2l [ 9] IBSS_ATTR; // Bytes
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uint8 t3l [ 9] IBSS_ATTR; // Bytes
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uint8 t5l [ 16] IBSS_ATTR; // Bytes
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uint8 t6l [ 16] IBSS_ATTR; // Bytes
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uint8 t7l [ 36] IBSS_ATTR; // Bytes
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uint8 t8l [ 36] IBSS_ATTR; // Bytes
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uint8 t9l [ 36] IBSS_ATTR; // Bytes
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uint8 t10l [ 64] IBSS_ATTR; // Bytes
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uint8 t11l [ 64] IBSS_ATTR; // Bytes
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uint8 t12l [ 64] IBSS_ATTR; // Bytes
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uint8 t13l [256] IBSS_ATTR; // Bytes
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uint8 t15l [256] IBSS_ATTR; // Bytes
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uint8 t16l [256] IBSS_ATTR; // Bytes
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uint8 t24l [256] IBSS_ATTR; // Bytes
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struct huffcodetab ht [HTN] IBSS_ATTR; // Bytes
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static const uint8 ht_count1_const[2][2][16] =
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{ { { 1, 5, 4, 5, 6, 5, 4, 4, 7, 3, 6, 0, 7, 2, 3, 1 }, /* table0 */
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{ 1, 5, 5, 7, 5, 8, 7, 9, 5, 7, 7, 9, 7, 9, 9,10 } }, /* hleng0 */
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{ {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }, /* table1 */
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{ 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 } } }; /* hleng1 */
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static const uint16 t1HB_const[4] = {1, 1, 1, 0};
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static const uint16 t2HB_const[9] = {1, 2, 1, 3, 1, 1, 3, 2, 0};
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static const uint16 t3HB_const[9] = {3, 2, 1, 1, 1, 1, 3, 2, 0};
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static const uint16 t5HB_const[16] = {1, 2, 6, 5, 3, 1, 4, 4, 7, 5, 7, 1, 6, 1, 1, 0};
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static const uint16 t6HB_const[16] = {7, 3, 5, 1, 6, 2, 3, 2, 5, 4, 4, 1, 3, 3, 2, 0};
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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};
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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};
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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};
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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};
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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};
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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};
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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,
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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,
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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,
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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,
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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,
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20, 29, 11, 17, 12, 16, 8, 1, 1, 0, 1};
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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,
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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,
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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,
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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,
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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,
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37, 34, 30, 28, 20, 17, 26, 21, 16, 10, 6, 8, 6, 2, 0};
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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,
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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,
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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,
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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,
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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,
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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,
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0, 12, 10, 7, 11, 10, 17, 11, 9, 13, 12, 10, 7, 5, 3, 1, 3};
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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,
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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,
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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,
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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,
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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,
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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,
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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};
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static const uint8 t1l_const[4] = {1, 3, 2, 3};
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static const uint8 t2l_const[9] = {1, 3, 6, 3, 3, 5, 5, 5, 6};
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static const uint8 t3l_const[9] = {2, 2, 6, 3, 2, 5, 5, 5, 6};
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static const uint8 t5l_const[16] = {1, 3, 6, 7, 3, 3, 6, 7, 6, 6, 7, 8, 7, 6, 7, 8};
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static const uint8 t6l_const[16] = {3, 3, 5, 7, 3, 2, 4, 5, 4, 4, 5, 6, 6, 5, 6, 7};
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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};
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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};
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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};
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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};
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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};
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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};
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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,
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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,
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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,
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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};
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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,
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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,
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|
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};
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|
|
|
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
|
|
{
|
|
unsigned region0_count;
|
|
unsigned region1_count;
|
|
} 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 */
|
|
};
|
|
|
|
/* 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] =
|
|
{
|
|
/* 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} };
|
|
|
|
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,
|
|
};
|
|
|
|
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,
|
|
114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,115,115,115,115,115,115,115,115,115,115,115,115,115,115,
|
|
115,115,115,115,115,115,115,115,115,115,115,115,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,116,
|
|
116,116,116,116,116,116,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,117,
|
|
118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,119,119,119,119,119,119,
|
|
119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,119,120,120,120,120,120,120,120,120,120,120,120,
|
|
120,120,120,120,120,120,120,120,120,120,120,120,120,120,120,121,121,121,121,121,121,121,121,121,121,121,121,121,121,121,121,121,
|
|
121,121,121,121,121,121,121,121,121,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,122,
|
|
122,122,122,122,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,123,124,124,
|
|
124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,124,125,125,125,125,125,125,125,
|
|
125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,125,126,126,126,126,126,126,126,126,126,126,126,126,
|
|
126,126,126,126,126,126,126,126,126,126,126,126,126,126,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,
|
|
127,127,127,127,127,127,127,127,127,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
|
|
128,128,128,128,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,130,
|
|
130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,131,131,131,131,131,131,
|
|
131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,132,132,132,132,132,132,132,132,132,132,132,
|
|
132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,
|
|
133,133,133,133,133,133,133,133,133,133,133,133,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,
|
|
134,134,134,134,134,134,134,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,
|
|
135,135,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,137,137,
|
|
137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,138,138,138,138,138,138,138,
|
|
138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,139,139,139,139,139,139,139,139,139,139,139,
|
|
139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,
|
|
140,140,140,140,140,140,140,140,140,140,140,140,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,
|
|
141,141,141,141,141,141,141,141,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,
|
|
142,142,142,142,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,144,
|
|
144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,145,145,145,145,145,
|
|
145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,146,146,146,146,146,146,146,146,146,
|
|
146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,147,147,147,147,147,147,147,147,147,147,147,147,
|
|
147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,
|
|
148,148,148,148,148,148,148,148,148,148,148,148,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,149,
|
|
149,149,149,149,149,149,149,149,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,
|
|
150,150,150,150,150,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,151,
|
|
151,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,153,153,153,
|
|
153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,153,154,154,154,154,154,154,
|
|
154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,154,155,155,155,155,155,155,155,155,155,
|
|
155,155,155,155,155,155,155,155,155,155,155,155,155,155,155,155,155,155,155,156,156,156,156,156,156,156,156,156,156,156,156,156,
|
|
156,156,156,156,156,156,156,156,156,156,156,156,156,156,156,156,157,157,157,157,157,157,157,157,157,157,157,157,157,157,157,157,
|
|
157,157,157,157,157,157,157,157,157,157,157,157,157,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,158,
|
|
158,158,158,158,158,158,158,158,158,158,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,159,
|
|
159,159,159,159,159,159,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
|
|
160,160,160,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,
|
|
162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,163,163,163,
|
|
163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,164,164,164,164,164,
|
|
164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,165,165,165,165,165,165,165,165,
|
|
165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,166,166,166,166,166,166,166,166,166,166,166,
|
|
166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,167,167,167,167,167,167,167,167,167,167,167,167,167,167,
|
|
167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,
|
|
168,168,168,168,168,168,168,168,168,168,168,168,168,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,
|
|
169,169,169,169,169,169,169,169,169,169,169,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
|
|
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 */
|
|
|
|
/* 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 );
|
|
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);
|
|
|
|
|
|
bool checkString(int *file, char *string)
|
|
{
|
|
char temp[4];
|
|
|
|
rb->read(*file, temp, 4);
|
|
|
|
return (*(long*)temp == *(long*)string) ? 1 : 0;
|
|
}
|
|
|
|
int Read16BitsLowHigh(PFILE fp)
|
|
{
|
|
char first, second;
|
|
|
|
rb->read(*fp, &first, 1);
|
|
rb->read(*fp, &second, 1);
|
|
|
|
return ((int)second << 8) | (first & 0xff);
|
|
}
|
|
|
|
|
|
int Read32BitsLowHigh(PFILE fp)
|
|
{
|
|
int first, second, result;
|
|
|
|
first = 0xffff & Read16BitsLowHigh(fp);
|
|
second = 0xffff & Read16BitsLowHigh(fp);
|
|
result = (second << 16) + first;
|
|
|
|
return result;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
|
|
int read_samples(short *sample_buffer, int frame_size)
|
|
{
|
|
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;
|
|
|
|
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;
|
|
|
|
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] );
|
|
}
|
|
|
|
void encodeSideInfo( side_info_t si[2][2] )
|
|
{
|
|
int gr, ch, header;
|
|
|
|
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;
|
|
|
|
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++)
|
|
{
|
|
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 );
|
|
}
|
|
}
|
|
|
|
/* 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 )
|
|
{
|
|
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 stuffingWords = stuffingBits / 32;
|
|
int remainingBits = stuffingBits % 32;
|
|
|
|
if( remainingBits )
|
|
putbits( ~0, remainingBits );
|
|
|
|
/* Due to the nature of the Huffman code tables, we will pad with ones */
|
|
while( stuffingWords-- )
|
|
putbits( ~0, 32 );
|
|
|
|
bitsWritten += stuffingBits;
|
|
}
|
|
}
|
|
|
|
int HuffmanCount1(unsigned tbl, enct8 *ix, int *xr)
|
|
{
|
|
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)
|
|
{
|
|
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;
|
|
}
|
|
|
|
dat = (ht_count1[tbl][0][p] << len) + s;
|
|
len = ht_count1[tbl][1][p];
|
|
putbits( dat, len );
|
|
|
|
return len;
|
|
}
|
|
|
|
/* Implements the pseudocode of page 98 of the IS */
|
|
int HuffmanCode(int table_select, enct8 *ix, int *xr)
|
|
{
|
|
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;
|
|
|
|
x = ix[0];
|
|
y = ix[1];
|
|
h = &ht[table_select];
|
|
linbits = h->linbits;
|
|
linbitsx = linbitsy = 0;
|
|
|
|
if( table_select > 15 )
|
|
{ /* ESC-table is used */
|
|
if(x > 14) { linbitsx = x - 15; x = 15; }
|
|
if(y > 14) { linbitsy = y - 15; y = 15; }
|
|
|
|
idx = (x * h->ylen) + y;
|
|
code = h->table[idx];
|
|
bit = h->hlen [idx];
|
|
|
|
if(x)
|
|
{
|
|
if(x > 14)
|
|
{
|
|
code = (code << linbits) | linbitsx;
|
|
bit += linbits;
|
|
}
|
|
|
|
code = (code << 1) | sign_x;
|
|
bit += 1;
|
|
}
|
|
|
|
if(y)
|
|
{
|
|
if(y > 14)
|
|
{
|
|
code = (code << linbits) | linbitsy;
|
|
bit += linbits;
|
|
}
|
|
|
|
code = (code << 1) | sign_y;
|
|
bit += 1;
|
|
}
|
|
}
|
|
else
|
|
{ /* No ESC-words */
|
|
idx = (x * h->ylen) + 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;
|
|
}
|
|
}
|
|
|
|
putbits( code, bit );
|
|
|
|
return bit;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* 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 )
|
|
{
|
|
uint32 i;
|
|
int max, sum0, sum1, 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)
|
|
{
|
|
/* try tables with no 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 )
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* try 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)
|
|
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)
|
|
break;
|
|
|
|
sum0 = count_bit(ix, begin, end, table0);
|
|
sum1 = count_bit(ix, begin, end, table1);
|
|
|
|
if(sum1 < sum0)
|
|
table0 = table1;
|
|
}
|
|
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 )
|
|
{
|
|
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];
|
|
|
|
if(x)
|
|
{
|
|
if(x > 14) { x = 15; sum += linbits; }
|
|
sum++;
|
|
}
|
|
|
|
if(y)
|
|
{
|
|
if(y > 14) { y = 15; sum += linbits; }
|
|
sum++;
|
|
}
|
|
|
|
sum += h->hlen[(x * ylen) + y];
|
|
}
|
|
}
|
|
else
|
|
{ /* No ESC-words */
|
|
for(i=start; i<end; i+=2)
|
|
{
|
|
x = ix[i];
|
|
y = ix[i+1];
|
|
|
|
sum += h->hlen[(x * ylen) + y];
|
|
|
|
if(x) sum++;
|
|
if(y) sum++;
|
|
}
|
|
}
|
|
|
|
return sum;
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* Function: Quantization of the vector xr ( -> ix) */
|
|
/*************************************************************************/
|
|
int quantize_int(int xr[samp_per_frame2], enct8 ix[samp_per_frame2], side_info_t *cod_info)
|
|
{
|
|
int i;
|
|
#if 0
|
|
long step;
|
|
uint32 frac_pow[] = { 0, 12400, 27146, 44682 };
|
|
|
|
step = 1 << cod_info->quantizerStepSize / 4;
|
|
step += (step * frac_pow[cod_info->quantizerStepSize & 3] + 32768) >> 16;
|
|
|
|
for(i=samp_per_frame2; i--; )
|
|
ix[i] = int2idx[4 * abs(xr[i]) / step];
|
|
|
|
return 1;
|
|
#else
|
|
uint32 max=0, val, step, frac_pow[] = { 0x40000, 0x35d14, 0x2d414,0x260e0 };
|
|
|
|
step = frac_pow[cod_info->quantizerStepSize & 3] >> cod_info->quantizerStepSize / 4;
|
|
|
|
for(i=samp_per_frame2; i--; )
|
|
{
|
|
val = (((unsigned long)abs(xr[i]) * step + 32768) >> 16);
|
|
max |= val;
|
|
ix[i] = int2idx[val];
|
|
}
|
|
return max < 4096 ? 1 : 0;
|
|
#endif
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* Function: Calculation of rzero, count1, big_values */
|
|
/* (Partitions ix into big values, quadruples and zeros). */
|
|
/*************************************************************************/
|
|
int calc_runlen( enct8 ix[samp_per_frame2], side_info_t *cod_info )
|
|
{
|
|
int p, i, sum0 = 0, sum1 = 0;
|
|
|
|
for(i=samp_per_frame2; i-=2; )
|
|
if(ix[i-1] | ix[i-2])
|
|
break;
|
|
|
|
cod_info->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) + (x<<1) + (w<<2) + (v<<3);
|
|
|
|
sum0 += ht_count1[0][1][p]; /* add table0 hlength */
|
|
sum1 += ht_count1[1][1][p]; /* add table1 hlength */
|
|
|
|
cod_info->count1++;
|
|
}
|
|
else break;
|
|
}
|
|
|
|
cod_info->big_values = i >> 1;
|
|
|
|
if(sum0 < sum1)
|
|
{
|
|
cod_info->table_select[3] = 0;
|
|
return sum0;
|
|
}
|
|
else
|
|
{
|
|
cod_info->table_select[3] = 1;
|
|
return sum1;
|
|
}
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* presumable subdivides the bigvalue region which will use separate Huffman tables */
|
|
/*************************************************************************/
|
|
void subdivide(side_info_t *cod_info)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* Function: Select huffman code tables for bigvalues regions */
|
|
/*************************************************************************/
|
|
void bigv_tab_select( enct8 ix[samp_per_frame2], side_info_t *cod_info )
|
|
{
|
|
cod_info->table_select[0] = 0;
|
|
cod_info->table_select[1] = 0;
|
|
cod_info->table_select[2] = 0;
|
|
|
|
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);
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* Function: Count the number of bits necessary to code the bigvalues region */
|
|
/*************************************************************************/
|
|
int bigv_bitcount(enct8 ix[samp_per_frame2], side_info_t *gi)
|
|
{
|
|
int bits = 0;
|
|
uint32 table;
|
|
|
|
if((table=gi->table_select[0])) /* region0 */
|
|
bits += count_bit(ix, 0 , gi->address1, table);
|
|
|
|
if((table=gi->table_select[1])) /* region1 */
|
|
bits += count_bit(ix, gi->address1, gi->address2, table);
|
|
|
|
if((table=gi->table_select[2])) /* region2 */
|
|
bits += count_bit(ix, gi->address2, gi->address3, table);
|
|
|
|
return bits;
|
|
}
|
|
|
|
int quantcnt;
|
|
|
|
/* 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 bits = 10000;
|
|
|
|
quantcnt++;
|
|
|
|
if(quantize_int(xr, ix, cod_info))
|
|
{
|
|
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 */
|
|
}
|
|
|
|
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 )
|
|
{
|
|
int *xrs; /* int[samp_per_frame2] *xr; */
|
|
enct8 *ix; /* int[samp_per_frame2] *ix; */
|
|
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)
|
|
{
|
|
if(cod_info->quantizerStepSize == 0)
|
|
break;
|
|
|
|
if(cod_info->quantizerStepSize <= 2)
|
|
cod_info->quantizerStepSize = 0;
|
|
else
|
|
cod_info->quantizerStepSize -= 2;
|
|
}
|
|
|
|
while(bits > max_bits)
|
|
{
|
|
cod_info->quantizerStepSize++;
|
|
bits = quantize_and_count_bits(xrs, ix, cod_info);
|
|
}
|
|
|
|
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)
|
|
{
|
|
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--; )
|
|
{
|
|
for(ch=config.wave.channels; ch--; )
|
|
{
|
|
/* 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;
|
|
}
|
|
}
|
|
|
|
/* 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 )
|
|
{
|
|
int m, tmp=0;
|
|
|
|
for(m=18; m--; )
|
|
{
|
|
#ifdef CPU_COLDFIRE
|
|
{ int *wint = win_int[m];
|
|
int *indat = in;
|
|
|
|
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");
|
|
}
|
|
#else
|
|
int k;
|
|
for(k=36,tmp=0; k--; )
|
|
tmp += in[k] * win_int[m][k];
|
|
#endif
|
|
out[m] = (tmp + 16384) >> 15;
|
|
}
|
|
}
|
|
|
|
|
|
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--; )
|
|
{
|
|
/* 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];
|
|
|
|
/* 82944=4*32*648: Perform imdct of 18 previous subband samples + 18 current subband samples */
|
|
for(band=32; band--; )
|
|
{
|
|
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]);
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
}
|
|
|
|
/* 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 filter_subband(short *buffer, int s[SBLIMIT], int k)
|
|
{
|
|
short *enwindow = enwindow_int;
|
|
int i, j, tmp = 0;
|
|
#ifdef CPU_COLDFIRE
|
|
int reg_buff[14]; /* register storage buffer */
|
|
#endif
|
|
|
|
/* 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);
|
|
}
|
|
|
|
/* 36864=72*512: shift samples into proper window positions */
|
|
#ifdef CPU_COLDFIRE
|
|
{ short *xint = &x_int[k][off[k]];
|
|
short *yint = y_int;
|
|
|
|
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];
|
|
|
|
#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;
|
|
}
|
|
|
|
off[k] = (off[k] + 480) & (HAN_SIZE-1); /* offset is modulo HAN_SIZE */
|
|
}
|
|
|
|
void compress(void)
|
|
{
|
|
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
|
|
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;
|
|
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
|
|
|
|
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;
|
|
|
|
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(read_samples(buffer, samp_per_frame<<1) == 0)
|
|
break;
|
|
|
|
buffer_window[0] = &buffer[-2];
|
|
buffer_window[1] = &buffer[-1];
|
|
|
|
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;
|
|
}
|
|
else
|
|
{ /* Padding for this frame */
|
|
slot_lag += (64 - frac_slots_per_frame);
|
|
config.mpeg.padding = 1;
|
|
}
|
|
}
|
|
|
|
config.mpeg.bits_per_frame = 8 * (whole_slots_per_frame + config.mpeg.padding);
|
|
mean_bits = (config.mpeg.bits_per_frame - sideinfo_len) >> 1;
|
|
|
|
/* polyphase filtering */
|
|
for(gr=0; gr<2; gr++)
|
|
for(channel=config.wave.channels; channel--; )
|
|
for(i=0; i<18; i++)
|
|
{
|
|
filter_subband(buffer_window[channel], &sb_sample[channel][gr+1][i][0], channel);
|
|
buffer_window[channel] += 64;
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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;
|
|
|
|
for(i=0;i<15;i++)
|
|
if(bitr==mpeg1[i]) return i;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int find_samplerate_index(long freq)
|
|
{
|
|
static long mpeg1[3] = {44100, 48000, 32000};
|
|
int i;
|
|
|
|
for(i=0;i<3;i++)
|
|
if(freq==mpeg1[i]) return i;
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
char *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
|
|
#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
|
|
#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_X5_PAD
|
|
#define MP3ENC_PREV BUTTON_UP
|
|
#define MP3ENC_NEXT BUTTON_DOWN
|
|
#define MP3ENC_DONE BUTTON_POWER
|
|
#define MP3ENC_SELECT BUTTON_MENU
|
|
#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 i, cont, 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 };
|
|
|
|
(void)parameter;
|
|
rb = api;
|
|
|
|
#ifdef USE_IRAM
|
|
memcpy(iramstart, iramcopy, iramend - iramstart);
|
|
memset(iedata, 0, iend - iedata);
|
|
#endif
|
|
|
|
rb->lcd_setfont(FONT_SYSFIXED);
|
|
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
|
rb->cpu_boost(true);
|
|
#endif
|
|
rb->button_clear_queue();
|
|
|
|
read_wav_files("/");
|
|
read_wav_files(REC_BASE_DIR"/");
|
|
|
|
nfil = num_file - 1;
|
|
sfil = 0; /* set first file as default */
|
|
cont = 1;
|
|
|
|
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();
|
|
}
|
|
|
|
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, bitratename[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);
|
|
|
|
if(cont)
|
|
{
|
|
if((i=wave_open()) == 0)
|
|
{
|
|
config.mpeg.samplerate_index = find_samplerate_index(config.wave.samplerate);
|
|
|
|
tim = *rb->current_tick;
|
|
compress();
|
|
tim = *rb->current_tick - tim;
|
|
|
|
wave_close();
|
|
rb->close(*mp3file);
|
|
}
|
|
else
|
|
{
|
|
rb->snprintf(stg, 20, "WaveOpen failed: %d", i);
|
|
rb->lcd_putsxy(0, 20, stg);
|
|
rb->lcd_update();
|
|
rb->sleep(2*HZ);
|
|
}
|
|
|
|
rb->lcd_clear_display();
|
|
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);
|
|
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;
|
|
}
|