2 * 11/19/04 1.0 moved to LGPL.
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4 * 18/06/01 Michael Scheerer, Fixed bugs which causes
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5 * negative indexes in method huffmann_decode and in method
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6 * dequanisize_sample.
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8 * 16/07/01 Michael Scheerer, Catched a bug in method
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9 * huffmann_decode, which causes an outOfIndexException.
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10 * Cause : Indexnumber of 24 at SfBandIndex,
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11 * which has only a length of 22. I have simply and dirty
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12 * fixed the index to <= 22, because I'm not really be able
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13 * to fix the bug. The Indexnumber is taken from the MP3
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14 * file and the origin Ma-Player with the same code works
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17 * 02/19/99 Java Conversion by E.B, javalayer@javazoom.net
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18 *-----------------------------------------------------------------------
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19 * This program is free software; you can redistribute it and/or modify
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20 * it under the terms of the GNU Library General Public License as published
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21 * by the Free Software Foundation; either version 2 of the License, or
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22 * (at your option) any later version.
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24 * This program is distributed in the hope that it will be useful,
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25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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27 * GNU Library General Public License for more details.
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29 * You should have received a copy of the GNU Library General Public
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30 * License along with this program; if not, write to the Free Software
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31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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32 *----------------------------------------------------------------------
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37 * Class Implementing Layer 3 Decoder.
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41 @LATTICE("FS<BR,BR<SF,LR<IR,IR<IP,IP<SF,LR<K,K<F,LR<VAR,LR<RO,RO<F,VAR<F,VAR<RAW,CSH<F,SAM<O,O<F,
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42 SF<SI,SI<CH,SFREQ<H,MAX<H,H<CH,FLCH<CH,FLCH<WCH,SF<SFT,SFT<NS,NS<C,TS<RAW,O<TS,LY<F,
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43 C*,FS*,SI*,IP*,IR*,LR*,K*,O*,TS*,
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45 LR<S,S<ME,ME<CH,K<SH,K<LSF,LSF<H,LSF<CH,IP<SH,SH<J,J<S,S<ME,SH<SFREQ,SH<RO,IP<TMP2,LSF<H,TMP2<F,J*,SH*,
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46 O<RO2,RO2<RO3,RO3<RO4,RO4<RO5,O<RO1,RO1<RO5,RO5<RO6,RO6<RO7,RO7<RO8,RO8<RO9,RO9<SFREQ,RO9<F,RO1*,RO4*,RO5*,RO6*,RO9*")
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47 //4th: added for hybrid.
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48 //5th added for stereo
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49 //6th added for reorder method
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51 @METHODDEFAULT("OUT<V,V<THIS,THIS<SH,SH<IN,SH*,THISLOC=THIS,GLOBALLOC=IN")
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52 final class LayerIIIDecoder implements FrameDecoder {
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53 @LOC("F") final double d43 = (4.0 / 3.0);
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54 @LOC("SFT") public int[] scalefac_buffer;
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56 // MDM: removed, as this wasn't being used.
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57 // private float CheckSumOut1d = 0.0f;
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58 @LOC("CSH") private int CheckSumHuff = 0;
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59 @LOC("VAR") private int[] is_1d;
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60 @LOC("VAR") private float[][][] ro;
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61 @LOC("LR") private float[][][] lr;
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62 @LOC("O") private float[] out_1d; // 576 samples
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63 @LOC("VAR") private float[][] prevblck;
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64 @LOC("K") private float[][] k;
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65 @LOC("F") private int[] nonzero;
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66 @LOC("F")private Bitstream stream;
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67 @LOC("H") private Header header;
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68 @LOC("F") private SynthesisFilter filter1;
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69 @LOC("F") private SynthesisFilter filter2;
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70 @LOC("F") private Obuffer buffer; // output buffer
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71 @LOC("WC") private int which_channels;
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72 @LOC("BR") private BitReserve br;
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73 @LOC("SI") private III_side_info_t si;
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75 @LOC("SBT") private temporaire2[] III_scalefac_t;
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76 @LOC("SF") private temporaire2[] scalefac;
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77 // private III_scalefac_t scalefac;
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79 @LOC("MAX") private int max_gr;
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80 @LOC("FS") private int frame_start;
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81 @LOC("F") private int part2_start;
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82 @LOC("CH") private int channels;
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83 @LOC("FLCH") private int first_channel;
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84 @LOC("FLCH") private int last_channel;
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85 @LOC("SFREQ") private int sfreq;
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90 // REVIEW: these constructor arguments should be moved to the
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91 // decodeFrame() method, where possible, so that one
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92 public LayerIIIDecoder(Bitstream stream0, Header header0, SynthesisFilter filtera,
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93 SynthesisFilter filterb, Obuffer buffer0, int which_ch0) {
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94 huffcodetab.inithuff();
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95 is_1d = new int[SBLIMIT * SSLIMIT + 4];
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96 ro = new float[2][SBLIMIT][SSLIMIT];
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97 lr = new float[2][SBLIMIT][SSLIMIT];
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98 out_1d = new float[SBLIMIT * SSLIMIT];
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99 prevblck = new float[2][SBLIMIT * SSLIMIT];
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100 k = new float[2][SBLIMIT * SSLIMIT];
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101 nonzero = new int[2];
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104 III_scalefac_t = new temporaire2[2];
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105 III_scalefac_t[0] = new temporaire2();
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106 III_scalefac_t[1] = new temporaire2();
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107 scalefac = III_scalefac_t;
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110 sfBandIndex = new SBI[9]; // SZD: MPEG2.5 +3 indices
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112 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
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114 int[] s0 = { 0, 4, 8, 12, 18, 24, 32, 42, 56, 74, 100, 132, 174, 192 };
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116 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232, 278, 330, 394,
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118 int[] s1 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 136, 180, 192 };
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120 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
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122 int[] s2 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
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125 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196, 238, 288, 342,
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127 int[] s3 = { 0, 4, 8, 12, 16, 22, 30, 40, 52, 66, 84, 106, 136, 192 };
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129 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190, 230, 276, 330,
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131 int[] s4 = { 0, 4, 8, 12, 16, 22, 28, 38, 50, 64, 80, 100, 126, 192 };
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133 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240, 296, 364, 448,
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135 int[] s5 = { 0, 4, 8, 12, 16, 22, 30, 42, 58, 78, 104, 138, 180, 192 };
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138 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
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140 int[] s6 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
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142 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
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144 int[] s7 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
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146 { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400, 476, 566, 568,
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147 570, 572, 574, 576 };
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148 int[] s8 = { 0, 8, 16, 24, 36, 52, 72, 96, 124, 160, 162, 164, 166, 192 };
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150 sfBandIndex[0] = new SBI(l0, s0);
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151 sfBandIndex[1] = new SBI(l1, s1);
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152 sfBandIndex[2] = new SBI(l2, s2);
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154 sfBandIndex[3] = new SBI(l3, s3);
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155 sfBandIndex[4] = new SBI(l4, s4);
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156 sfBandIndex[5] = new SBI(l5, s5);
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158 sfBandIndex[6] = new SBI(l6, s6);
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159 sfBandIndex[7] = new SBI(l7, s7);
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160 sfBandIndex[8] = new SBI(l8, s8);
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161 // END OF L3TABLE INIT
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163 if (reorder_table == null) { // SZD: generate LUT
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164 reorder_table = new int[9][];
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165 for (int i = 0; i < 9; i++)
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166 reorder_table[i] = reorder(sfBandIndex[i].s);
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170 int[] ll0 = { 0, 6, 11, 16, 21 };
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171 int[] ss0 = { 0, 6, 12 };
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172 sftable = new Sftable(ll0, ss0);
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176 scalefac_buffer = new int[54];
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177 // END OF scalefac_buffer
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184 which_channels = which_ch0;
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187 channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;
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188 max_gr = (header.version() == Header.MPEG1) ? 2 : 1;
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191 header.sample_frequency()
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192 + ((header.version() == Header.MPEG1) ? 3 : (header.version() == Header.MPEG25_LSF) ? 6
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195 if (channels == 2) {
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196 switch (which_channels) {
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197 case OutputChannels.LEFT_CHANNEL:
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198 case OutputChannels.DOWNMIX_CHANNELS:
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199 first_channel = last_channel = 0;
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202 case OutputChannels.RIGHT_CHANNEL:
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203 first_channel = last_channel = 1;
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206 case OutputChannels.BOTH_CHANNELS:
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213 first_channel = last_channel = 0;
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216 for (int ch = 0; ch < 2; ch++)
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217 for (int j = 0; j < 576; j++)
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218 prevblck[ch][j] = 0.0f;
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220 nonzero[0] = nonzero[1] = 576;
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222 br = new BitReserve();
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223 si = new III_side_info_t();
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227 * Notify decoder that a seek is being made.
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229 public void seek_notify() {
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231 for (int ch = 0; ch < 2; ch++)
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232 for (int j = 0; j < 576; j++)
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233 prevblck[ch][j] = 0.0f;
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234 br = new BitReserve();
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237 public void decodeFrame() {
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242 * Decode one frame, filling the buffer with the output samples.
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245 // subband samples are buffered and passed to the
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246 // SynthesisFilter in one go.
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247 @LOC("SAM") private float[] samples1 = new float[32];
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248 @LOC("SAM") private float[] samples2 = new float[32];
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250 /* location hierarchy of decode()
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251 {header} {stream} {si}
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252 {br, flush_main, main_data_end,frame_start,nSlots,bytes_to_discard}*
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253 {gr,max_gr} // granule
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254 {ch,channels,first_channel, last_channel, which_channels} // channel
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259 {samples1,sample2} {filter1,filter2}
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261 public void decode() {
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262 int nSlots = header.slots();
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264 int gr, ch, ss, sb, sb18;
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266 int bytes_to_discard;
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271 for (i = 0; i < nSlots; i++)
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272 br.hputbuf(stream.get_bits(8)); // br < stream
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274 // br < main_data_end
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275 main_data_end = br.hsstell() >>> 3; // of previous frame
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278 if ((flush_main = (br.hsstell() & 7)) != 0) { // flush_main < br
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279 br.hgetbits(8 - flush_main); // br < flush_main
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280 main_data_end++; // main_data_end*
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283 // bytes_to_discard < GLB(frame_start,main_data_end,si)
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284 // TODO does bytes_to_discard need to go back to si???
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285 bytes_to_discard = frame_start - main_data_end - si.main_data_begin;
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287 // frame_start should be *
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288 frame_start += nSlots;
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290 if (bytes_to_discard < 0)
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293 if (main_data_end > 4096) { // main_data_end should be > than 'frame_start' and 'br'
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294 frame_start -= 4096;
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295 br.rewindNbytes(4096);
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298 for (; bytes_to_discard > 0; bytes_to_discard--) // bytes_to_discard > br
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301 // doing something from here
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303 // here 'gr' and 'max_gr' should be higher than 'ch','channels', and more
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304 for (gr = 0; gr < max_gr; gr++) { // two granules per channel
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305 // in the loop body, access set={part2_start}
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307 // 'ch', 'channels' should be higher than all locs in the below body
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308 for (ch = 0; ch < channels; ch++) {
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309 part2_start = br.hsstell(); // part2_start < br
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311 // grab scale factors from the main data.
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312 // following the scale factors is the actual compressed data
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313 if (header.version() == Header.MPEG1)
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314 get_scale_factors(ch, gr); // no need to care from this side
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315 // here move scale factor data from 'br' buffer to 'scalefac' field
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317 // MPEG-2 LSF, SZD: MPEG-2.5 LSF
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318 get_LSF_scale_factors(ch, gr); // no need to care from this side
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320 // here, decoding the compressed audio data
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321 huffman_decode(ch, gr); // no need to care from this side
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322 // System.out.println("CheckSum HuffMan = " + CheckSumHuff);
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323 dequantize_sample(ro[ch], ch, gr); // no need to care from this side
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326 stereo(gr); // no need to care from this side
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328 if ((which_channels == OutputChannels.DOWNMIX_CHANNELS) && (channels > 1))
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331 for (ch = first_channel; ch <= last_channel; ch++) { // 'ch' and 'first_channel' > the body
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334 // read set= lr,ch,gr,out_1d, sb18, ss, SSLIMIT, out_1d
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335 // write set= out_1d
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337 reorder(lr[ch], ch, gr);
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339 // for (int hb = 0;hb<576;hb++) CheckSumOut1d = CheckSumOut1d +
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341 // System.out.println("CheckSumOut1d = "+CheckSumOut1d);
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345 // for (int hb = 0;hb<576;hb++) CheckSumOut1d = CheckSumOut1d +
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347 // System.out.println("CheckSumOut1d = "+CheckSumOut1d);
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349 for (sb18 = 18; sb18 < 576; sb18 += 36) // sb18 > ss, SSLIMIT, out1d
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350 // Frequency inversion
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351 for (ss = 1; ss < SSLIMIT; ss += 2) // 'ss','SSLIMIT' > out_1d
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352 out_1d[sb18 + ss] = -out_1d[sb18 + ss]; // out1d*
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354 // 'ch', 'which_channels' should be higher than if/else body!
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355 // location set written by if/else body
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356 // = {samples1, samples2, filter1, filter2}
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357 if ((ch == 0) || (which_channels == OutputChannels.RIGHT_CHANNEL)) {
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358 for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis
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360 for (sb18 = 0; sb18 < 576; sb18 += 18) {
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361 samples1[sb] = out_1d[sb18 + ss]; // out_1d > samples1
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362 // filter1.input_sample(out_1d[sb18+ss], sb);
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363 sb++; // sb should be loc*
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365 filter1.input_samples(samples1);
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366 filter1.calculate_pcm_samples(buffer);
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369 for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis
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371 for (sb18 = 0; sb18 < 576; sb18 += 18) {
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372 samples2[sb] = out_1d[sb18 + ss]; // out_1d > samples2
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373 // filter2.input_sample(out_1d[sb18+ss], sb);
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376 filter2.input_samples(samples2);
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377 filter2.calculate_pcm_samples(buffer);
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384 // System.out.println("Counter = ................................."+counter);
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385 // if (counter < 609)
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387 counter++; // count should be loc*
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388 buffer.write_buffer(1); // buffer!!!
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390 // else if (counter == 609)
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402 * Reads the side info from the stream, assuming the entire. frame has been
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403 * read already. Mono : 136 bits (= 17 bytes) Stereo : 256 bits (= 32 bytes)
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405 private boolean get_side_info() {
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407 if (header.version() == Header.MPEG1) {
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409 si.main_data_begin = stream.get_bits(9);
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411 si.private_bits = stream.get_bits(5);
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413 si.private_bits = stream.get_bits(3);
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415 for (ch = 0; ch < channels; ch++) {
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416 si.ch[ch].scfsi[0] = stream.get_bits(1);
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417 si.ch[ch].scfsi[1] = stream.get_bits(1);
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418 si.ch[ch].scfsi[2] = stream.get_bits(1);
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419 si.ch[ch].scfsi[3] = stream.get_bits(1);
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422 for (gr = 0; gr < 2; gr++) {
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423 for (ch = 0; ch < channels; ch++) {
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424 si.ch[ch].gr[gr].part2_3_length = stream.get_bits(12);
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425 si.ch[ch].gr[gr].big_values = stream.get_bits(9);
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426 si.ch[ch].gr[gr].global_gain = stream.get_bits(8);
\r
427 si.ch[ch].gr[gr].scalefac_compress = stream.get_bits(4);
\r
428 si.ch[ch].gr[gr].window_switching_flag = stream.get_bits(1);
\r
429 if ((si.ch[ch].gr[gr].window_switching_flag) != 0) {
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430 si.ch[ch].gr[gr].block_type = stream.get_bits(2);
\r
431 si.ch[ch].gr[gr].mixed_block_flag = stream.get_bits(1);
\r
433 si.ch[ch].gr[gr].table_select[0] = stream.get_bits(5);
\r
434 si.ch[ch].gr[gr].table_select[1] = stream.get_bits(5);
\r
436 si.ch[ch].gr[gr].subblock_gain[0] = stream.get_bits(3);
\r
437 si.ch[ch].gr[gr].subblock_gain[1] = stream.get_bits(3);
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438 si.ch[ch].gr[gr].subblock_gain[2] = stream.get_bits(3);
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440 // Set region_count parameters since they are implicit in this case.
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442 if (si.ch[ch].gr[gr].block_type == 0) {
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443 // Side info bad: block_type == 0 in split block
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445 } else if (si.ch[ch].gr[gr].block_type == 2 && si.ch[ch].gr[gr].mixed_block_flag == 0) {
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446 si.ch[ch].gr[gr].region0_count = 8;
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448 si.ch[ch].gr[gr].region0_count = 7;
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450 si.ch[ch].gr[gr].region1_count = 20 - si.ch[ch].gr[gr].region0_count;
\r
452 si.ch[ch].gr[gr].table_select[0] = stream.get_bits(5);
\r
453 si.ch[ch].gr[gr].table_select[1] = stream.get_bits(5);
\r
454 si.ch[ch].gr[gr].table_select[2] = stream.get_bits(5);
\r
455 si.ch[ch].gr[gr].region0_count = stream.get_bits(4);
\r
456 si.ch[ch].gr[gr].region1_count = stream.get_bits(3);
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457 si.ch[ch].gr[gr].block_type = 0;
\r
459 si.ch[ch].gr[gr].preflag = stream.get_bits(1);
\r
460 si.ch[ch].gr[gr].scalefac_scale = stream.get_bits(1);
\r
461 si.ch[ch].gr[gr].count1table_select = stream.get_bits(1);
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465 } else { // MPEG-2 LSF, SZD: MPEG-2.5 LSF
\r
467 si.main_data_begin = stream.get_bits(8);
\r
469 si.private_bits = stream.get_bits(1);
\r
471 si.private_bits = stream.get_bits(2);
\r
473 for (ch = 0; ch < channels; ch++) {
\r
475 si.ch[ch].gr[0].part2_3_length = stream.get_bits(12);
\r
476 si.ch[ch].gr[0].big_values = stream.get_bits(9);
\r
477 si.ch[ch].gr[0].global_gain = stream.get_bits(8);
\r
478 si.ch[ch].gr[0].scalefac_compress = stream.get_bits(9);
\r
479 si.ch[ch].gr[0].window_switching_flag = stream.get_bits(1);
\r
481 if ((si.ch[ch].gr[0].window_switching_flag) != 0) {
\r
483 si.ch[ch].gr[0].block_type = stream.get_bits(2);
\r
484 si.ch[ch].gr[0].mixed_block_flag = stream.get_bits(1);
\r
485 si.ch[ch].gr[0].table_select[0] = stream.get_bits(5);
\r
486 si.ch[ch].gr[0].table_select[1] = stream.get_bits(5);
\r
488 si.ch[ch].gr[0].subblock_gain[0] = stream.get_bits(3);
\r
489 si.ch[ch].gr[0].subblock_gain[1] = stream.get_bits(3);
\r
490 si.ch[ch].gr[0].subblock_gain[2] = stream.get_bits(3);
\r
492 // Set region_count parameters since they are implicit in this case.
\r
494 if (si.ch[ch].gr[0].block_type == 0) {
\r
495 // Side info bad: block_type == 0 in split block
\r
497 } else if (si.ch[ch].gr[0].block_type == 2 && si.ch[ch].gr[0].mixed_block_flag == 0) {
\r
498 si.ch[ch].gr[0].region0_count = 8;
\r
500 si.ch[ch].gr[0].region0_count = 7;
\r
501 si.ch[ch].gr[0].region1_count = 20 - si.ch[ch].gr[0].region0_count;
\r
505 si.ch[ch].gr[0].table_select[0] = stream.get_bits(5);
\r
506 si.ch[ch].gr[0].table_select[1] = stream.get_bits(5);
\r
507 si.ch[ch].gr[0].table_select[2] = stream.get_bits(5);
\r
508 si.ch[ch].gr[0].region0_count = stream.get_bits(4);
\r
509 si.ch[ch].gr[0].region1_count = stream.get_bits(3);
\r
510 si.ch[ch].gr[0].block_type = 0;
\r
513 si.ch[ch].gr[0].scalefac_scale = stream.get_bits(1);
\r
514 si.ch[ch].gr[0].count1table_select = stream.get_bits(1);
\r
515 } // for(ch=0; ch<channels; ch++)
\r
516 } // if (header.version() == MPEG1)
\r
523 private void get_scale_factors(int ch, int gr) {
\r
525 gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
526 int scale_comp = gr_info.scalefac_compress;
\r
527 int length0 = slen[0][scale_comp];
\r
528 int length1 = slen[1][scale_comp];
\r
530 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
531 if ((gr_info.mixed_block_flag) != 0) { // MIXED
\r
532 for (sfb = 0; sfb < 8; sfb++)
\r
533 scalefac[ch].l[sfb] = br.hgetbits(slen[0][gr_info.scalefac_compress]);
\r
534 for (sfb = 3; sfb < 6; sfb++)
\r
535 for (window = 0; window < 3; window++)
\r
536 scalefac[ch].s[window][sfb] = br.hgetbits(slen[0][gr_info.scalefac_compress]);
\r
537 for (sfb = 6; sfb < 12; sfb++)
\r
538 for (window = 0; window < 3; window++)
\r
539 scalefac[ch].s[window][sfb] = br.hgetbits(slen[1][gr_info.scalefac_compress]);
\r
540 for (sfb = 12, window = 0; window < 3; window++)
\r
541 scalefac[ch].s[window][sfb] = 0;
\r
545 scalefac[ch].s[0][0] = br.hgetbits(length0);
\r
546 scalefac[ch].s[1][0] = br.hgetbits(length0);
\r
547 scalefac[ch].s[2][0] = br.hgetbits(length0);
\r
548 scalefac[ch].s[0][1] = br.hgetbits(length0);
\r
549 scalefac[ch].s[1][1] = br.hgetbits(length0);
\r
550 scalefac[ch].s[2][1] = br.hgetbits(length0);
\r
551 scalefac[ch].s[0][2] = br.hgetbits(length0);
\r
552 scalefac[ch].s[1][2] = br.hgetbits(length0);
\r
553 scalefac[ch].s[2][2] = br.hgetbits(length0);
\r
554 scalefac[ch].s[0][3] = br.hgetbits(length0);
\r
555 scalefac[ch].s[1][3] = br.hgetbits(length0);
\r
556 scalefac[ch].s[2][3] = br.hgetbits(length0);
\r
557 scalefac[ch].s[0][4] = br.hgetbits(length0);
\r
558 scalefac[ch].s[1][4] = br.hgetbits(length0);
\r
559 scalefac[ch].s[2][4] = br.hgetbits(length0);
\r
560 scalefac[ch].s[0][5] = br.hgetbits(length0);
\r
561 scalefac[ch].s[1][5] = br.hgetbits(length0);
\r
562 scalefac[ch].s[2][5] = br.hgetbits(length0);
\r
563 scalefac[ch].s[0][6] = br.hgetbits(length1);
\r
564 scalefac[ch].s[1][6] = br.hgetbits(length1);
\r
565 scalefac[ch].s[2][6] = br.hgetbits(length1);
\r
566 scalefac[ch].s[0][7] = br.hgetbits(length1);
\r
567 scalefac[ch].s[1][7] = br.hgetbits(length1);
\r
568 scalefac[ch].s[2][7] = br.hgetbits(length1);
\r
569 scalefac[ch].s[0][8] = br.hgetbits(length1);
\r
570 scalefac[ch].s[1][8] = br.hgetbits(length1);
\r
571 scalefac[ch].s[2][8] = br.hgetbits(length1);
\r
572 scalefac[ch].s[0][9] = br.hgetbits(length1);
\r
573 scalefac[ch].s[1][9] = br.hgetbits(length1);
\r
574 scalefac[ch].s[2][9] = br.hgetbits(length1);
\r
575 scalefac[ch].s[0][10] = br.hgetbits(length1);
\r
576 scalefac[ch].s[1][10] = br.hgetbits(length1);
\r
577 scalefac[ch].s[2][10] = br.hgetbits(length1);
\r
578 scalefac[ch].s[0][11] = br.hgetbits(length1);
\r
579 scalefac[ch].s[1][11] = br.hgetbits(length1);
\r
580 scalefac[ch].s[2][11] = br.hgetbits(length1);
\r
581 scalefac[ch].s[0][12] = 0;
\r
582 scalefac[ch].s[1][12] = 0;
\r
583 scalefac[ch].s[2][12] = 0;
\r
586 } else { // LONG types 0,1,3
\r
588 if ((si.ch[ch].scfsi[0] == 0) || (gr == 0)) {
\r
589 scalefac[ch].l[0] = br.hgetbits(length0);
\r
590 scalefac[ch].l[1] = br.hgetbits(length0);
\r
591 scalefac[ch].l[2] = br.hgetbits(length0);
\r
592 scalefac[ch].l[3] = br.hgetbits(length0);
\r
593 scalefac[ch].l[4] = br.hgetbits(length0);
\r
594 scalefac[ch].l[5] = br.hgetbits(length0);
\r
596 if ((si.ch[ch].scfsi[1] == 0) || (gr == 0)) {
\r
597 scalefac[ch].l[6] = br.hgetbits(length0);
\r
598 scalefac[ch].l[7] = br.hgetbits(length0);
\r
599 scalefac[ch].l[8] = br.hgetbits(length0);
\r
600 scalefac[ch].l[9] = br.hgetbits(length0);
\r
601 scalefac[ch].l[10] = br.hgetbits(length0);
\r
603 if ((si.ch[ch].scfsi[2] == 0) || (gr == 0)) {
\r
604 scalefac[ch].l[11] = br.hgetbits(length1);
\r
605 scalefac[ch].l[12] = br.hgetbits(length1);
\r
606 scalefac[ch].l[13] = br.hgetbits(length1);
\r
607 scalefac[ch].l[14] = br.hgetbits(length1);
\r
608 scalefac[ch].l[15] = br.hgetbits(length1);
\r
610 if ((si.ch[ch].scfsi[3] == 0) || (gr == 0)) {
\r
611 scalefac[ch].l[16] = br.hgetbits(length1);
\r
612 scalefac[ch].l[17] = br.hgetbits(length1);
\r
613 scalefac[ch].l[18] = br.hgetbits(length1);
\r
614 scalefac[ch].l[19] = br.hgetbits(length1);
\r
615 scalefac[ch].l[20] = br.hgetbits(length1);
\r
618 scalefac[ch].l[21] = 0;
\r
619 scalefac[ch].l[22] = 0;
\r
626 // MDM: new_slen is fully initialized before use, no need
\r
627 // to reallocate array.
\r
628 @LOC("NS") private final int[] new_slen = new int[4];
\r
630 private void get_LSF_scale_data(int ch, int gr) {
\r
632 int scalefac_comp, int_scalefac_comp;
\r
633 int mode_ext = header.mode_extension();
\r
635 int blocktypenumber;
\r
636 int blocknumber = 0;
\r
638 gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
640 scalefac_comp = gr_info.scalefac_compress;
\r
642 if (gr_info.block_type == 2) {
\r
643 if (gr_info.mixed_block_flag == 0)
\r
644 blocktypenumber = 1;
\r
645 else if (gr_info.mixed_block_flag == 1)
\r
646 blocktypenumber = 2;
\r
648 blocktypenumber = 0;
\r
650 blocktypenumber = 0;
\r
653 if (!(((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {
\r
655 if (scalefac_comp < 400) {
\r
657 new_slen[0] = (scalefac_comp >>> 4) / 5;
\r
658 new_slen[1] = (scalefac_comp >>> 4) % 5;
\r
659 new_slen[2] = (scalefac_comp & 0xF) >>> 2;
\r
660 new_slen[3] = (scalefac_comp & 3);
\r
661 si.ch[ch].gr[gr].preflag = 0;
\r
664 } else if (scalefac_comp < 500) {
\r
666 new_slen[0] = ((scalefac_comp - 400) >>> 2) / 5;
\r
667 new_slen[1] = ((scalefac_comp - 400) >>> 2) % 5;
\r
668 new_slen[2] = (scalefac_comp - 400) & 3;
\r
670 si.ch[ch].gr[gr].preflag = 0;
\r
673 } else if (scalefac_comp < 512) {
\r
675 new_slen[0] = (scalefac_comp - 500) / 3;
\r
676 new_slen[1] = (scalefac_comp - 500) % 3;
\r
679 si.ch[ch].gr[gr].preflag = 1;
\r
684 if ((((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {
\r
685 int_scalefac_comp = scalefac_comp >>> 1;
\r
687 if (int_scalefac_comp < 180) {
\r
688 new_slen[0] = int_scalefac_comp / 36;
\r
689 new_slen[1] = (int_scalefac_comp % 36) / 6;
\r
690 new_slen[2] = (int_scalefac_comp % 36) % 6;
\r
692 si.ch[ch].gr[gr].preflag = 0;
\r
694 } else if (int_scalefac_comp < 244) {
\r
695 new_slen[0] = ((int_scalefac_comp - 180) & 0x3F) >>> 4;
\r
696 new_slen[1] = ((int_scalefac_comp - 180) & 0xF) >>> 2;
\r
697 new_slen[2] = (int_scalefac_comp - 180) & 3;
\r
699 si.ch[ch].gr[gr].preflag = 0;
\r
701 } else if (int_scalefac_comp < 255) {
\r
702 new_slen[0] = (int_scalefac_comp - 244) / 3;
\r
703 new_slen[1] = (int_scalefac_comp - 244) % 3;
\r
706 si.ch[ch].gr[gr].preflag = 0;
\r
711 for (int x = 0; x < 45; x++)
\r
713 scalefac_buffer[x] = 0;
\r
716 for (int i = 0; i < 4; i++) {
\r
717 for (int j = 0; j < nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) {
\r
718 scalefac_buffer[m] = (new_slen[i] == 0) ? 0 : br.hgetbits(new_slen[i]);
\r
721 } // for (unint32 j ...
\r
722 } // for (uint32 i ...
\r
728 private void get_LSF_scale_factors(int ch, int gr) {
\r
731 gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
733 get_LSF_scale_data(ch, gr);
\r
735 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
736 if (gr_info.mixed_block_flag != 0) { // MIXED
\r
737 for (sfb = 0; sfb < 8; sfb++) {
\r
738 scalefac[ch].l[sfb] = scalefac_buffer[m];
\r
741 for (sfb = 3; sfb < 12; sfb++) {
\r
742 for (window = 0; window < 3; window++) {
\r
743 scalefac[ch].s[window][sfb] = scalefac_buffer[m];
\r
747 for (window = 0; window < 3; window++)
\r
748 scalefac[ch].s[window][12] = 0;
\r
752 for (sfb = 0; sfb < 12; sfb++) {
\r
753 for (window = 0; window < 3; window++) {
\r
754 scalefac[ch].s[window][sfb] = scalefac_buffer[m];
\r
759 for (window = 0; window < 3; window++)
\r
760 scalefac[ch].s[window][12] = 0;
\r
762 } else { // LONG types 0,1,3
\r
764 for (sfb = 0; sfb < 21; sfb++) {
\r
765 scalefac[ch].l[sfb] = scalefac_buffer[m];
\r
768 scalefac[ch].l[21] = 0; // Jeff
\r
769 scalefac[ch].l[22] = 0;
\r
776 @LOC("LY") int[] x = { 0 };
\r
777 @LOC("F") int[] y = { 0 };
\r
778 @LOC("LY") int[] v = { 0 };
\r
779 @LOC("LY") int[] w = { 0 };
\r
781 private void huffman_decode(int ch, int gr) {
\r
787 int part2_3_end = part2_start + si.ch[ch].gr[gr].part2_3_length;
\r
798 // Find region boundary for short block case
\r
800 if (((si.ch[ch].gr[gr].window_switching_flag) != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
\r
803 // MS: Extrahandling for 8KHZ
\r
804 region1Start = (sfreq == 8) ? 72 : 36; // sfb[9/3]*3=36 or in case 8KHZ =
\r
806 region2Start = 576; // No Region2 for short block case
\r
808 } else { // Find region boundary for long block case
\r
810 buf = si.ch[ch].gr[gr].region0_count + 1;
\r
811 buf1 = buf + si.ch[ch].gr[gr].region1_count + 1;
\r
813 if (buf1 > sfBandIndex[sfreq].l.length - 1)
\r
814 buf1 = sfBandIndex[sfreq].l.length - 1;
\r
816 region1Start = sfBandIndex[sfreq].l[buf];
\r
817 region2Start = sfBandIndex[sfreq].l[buf1]; /* MI */
\r
821 // Read bigvalues area
\r
822 for (int i = 0; i < (si.ch[ch].gr[gr].big_values << 1); i += 2) {
\r
823 if (i < region1Start)
\r
824 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];
\r
825 else if (i < region2Start)
\r
826 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[1]];
\r
828 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[2]];
\r
830 huffcodetab.huffman_decoder(h, x, y, v, w, br);
\r
831 // if (index >= is_1d.length)
\r
832 // System.out.println("i0="+i+"/"+(si.ch[ch].gr[gr].big_values<<1)+" Index="+index+" is_1d="+is_1d.length);
\r
834 is_1d[index++] = x[0];
\r
835 is_1d[index++] = y[0];
\r
837 CheckSumHuff = CheckSumHuff + x[0] + y[0];
\r
838 // System.out.println("x = "+x[0]+" y = "+y[0]);
\r
841 // Read count1 area
\r
842 h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];
\r
843 num_bits = br.hsstell();
\r
845 while ((num_bits < part2_3_end) && (index < 576)) {
\r
847 huffcodetab.huffman_decoder(h, x, y, v, w, br);
\r
849 is_1d[index++] = v[0];
\r
850 is_1d[index++] = w[0];
\r
851 is_1d[index++] = x[0];
\r
852 is_1d[index++] = y[0];
\r
853 CheckSumHuff = CheckSumHuff + v[0] + w[0] + x[0] + y[0];
\r
854 // System.out.println("v = "+v[0]+" w = "+w[0]);
\r
855 // System.out.println("x = "+x[0]+" y = "+y[0]);
\r
856 num_bits = br.hsstell();
\r
859 if (num_bits > part2_3_end) {
\r
860 br.rewindNbits(num_bits - part2_3_end);
\r
864 num_bits = br.hsstell();
\r
866 // Dismiss stuffing bits
\r
867 if (num_bits < part2_3_end)
\r
868 br.hgetbits(part2_3_end - num_bits);
\r
873 nonzero[ch] = index;
\r
880 // may not be necessary
\r
881 for (; index < 576; index++)
\r
888 private void i_stereo_k_values(@LOC("IN") int is_pos, @LOC("IN") int io_type, @LOC("IN") int i) {
\r
892 } else if ((is_pos & 1) != 0) {
\r
893 k[0][i] = io[io_type][(is_pos + 1) >>> 1];
\r
897 k[1][i] = io[io_type][is_pos >>> 1];
\r
904 @LATTICE("OUT<QUO,QUO<REST,REST<IDX,IDX<VAR,VAR<CB,CB<J,CB<GR,GR<IN,J<IN,QUO*,REST*,IDX*,CB*,J*,THISLOC=IN,GLOBALLOC=IN")
\r
905 private void dequantize_sample(@LOC("OUT") float xr[][], @LOC("IN") int ch, @LOC("IN") int gr) {
\r
906 @LOC("GR") gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
907 @LOC("CB") int cb = 0;
\r
908 @LOC("CB") int next_cb_boundary;
\r
909 @LOC("CB") int cb_begin = 0;
\r
910 @LOC("CB") int cb_width = 0;
\r
911 @LOC("IN") int index = 0;
\r
912 @LOC("VAR") int t_index;
\r
914 @LOC("VAR") float g_gain;
\r
915 //float[][] xr_1d = xr;//substituted xr for instances of xr_1d to decrease number of areas
\r
917 // choose correct scalefactor band per block type, initalize boundary
\r
919 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
920 if (gr_info.mixed_block_flag != 0)
\r
921 next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3
\r
923 cb_width = sfBandIndex[sfreq].s[1];
\r
924 next_cb_boundary = (cb_width << 2) - cb_width;
\r
928 next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3
\r
931 // Compute overall (global) scaling.
\r
933 g_gain = (float) Math.pow(2.0, (0.25 * (gr_info.global_gain - 210.0)));
\r
935 for (j = 0; j < nonzero[ch]; j++) {
\r
936 // Modif E.B 02/22/99
\r
937 @LOC("REST") int reste = j % SSLIMIT;
\r
938 @LOC("QUO") int quotien = (int) ((j - reste) / SSLIMIT);
\r
940 xr[quotien][reste] = 0.0f;
\r
942 @LOC("VAR") int abv = is_1d[j];
\r
943 // Pow Array fix (11/17/04)
\r
944 if (abv < t_43.length) {
\r
946 xr[quotien][reste] = g_gain * t_43[abv];
\r
948 if (-abv < t_43.length)
\r
949 xr[quotien][reste] = -g_gain * t_43[-abv];
\r
951 xr[quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);
\r
955 xr[quotien][reste] = g_gain * (float) Math.pow(abv, d43);
\r
957 xr[quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);
\r
962 // apply formula per block type
\r
963 for (j = 0; j < nonzero[ch]; j++) {
\r
964 // Modif E.B 02/22/99
\r
965 @LOC("REST") int reste = j % SSLIMIT;
\r
966 @LOC("QUO") int quotien = (int) ((j - reste) / SSLIMIT);
\r
968 if (index == next_cb_boundary) { /* Adjust critical band boundary */
\r
969 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
970 if (gr_info.mixed_block_flag != 0) {
\r
972 if (index == sfBandIndex[sfreq].l[8]) {
\r
973 next_cb_boundary = sfBandIndex[sfreq].s[4];
\r
974 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
\r
976 cb_width = sfBandIndex[sfreq].s[4] - sfBandIndex[sfreq].s[3];
\r
978 cb_begin = sfBandIndex[sfreq].s[3];
\r
979 cb_begin = (cb_begin << 2) - cb_begin;
\r
981 } else if (index < sfBandIndex[sfreq].l[8]) {
\r
983 next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];
\r
987 next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];
\r
988 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
\r
990 cb_begin = sfBandIndex[sfreq].s[cb];
\r
991 cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;
\r
992 cb_begin = (cb_begin << 2) - cb_begin;
\r
997 next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];
\r
998 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
\r
1000 cb_begin = sfBandIndex[sfreq].s[cb];
\r
1001 cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;
\r
1002 cb_begin = (cb_begin << 2) - cb_begin;
\r
1005 } else { // long blocks
\r
1007 next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];
\r
1012 // Do long/short dependent scaling operations
\r
1014 if ((gr_info.window_switching_flag != 0)
\r
1015 && (((gr_info.block_type == 2) && (gr_info.mixed_block_flag == 0)) || ((gr_info.block_type == 2)
\r
1016 && (gr_info.mixed_block_flag != 0) && (j >= 36)))) {
\r
1018 t_index = (index - cb_begin) / cb_width;
\r
1020 * xr[sb][ss] *= pow(2.0, ((-2.0 * gr_info.subblock_gain[t_index]) -(0.5
\r
1021 * * (1.0 + gr_info.scalefac_scale) scalefac[ch].s[t_index][cb])));
\r
1023 @LOC("IDX") int idx = scalefac[ch].s[t_index][cb] << gr_info.scalefac_scale;
\r
1024 idx += (gr_info.subblock_gain[t_index] << 2);
\r
1026 xr[quotien][reste] *= two_to_negative_half_pow[idx];
\r
1028 } else { // LONG block types 0,1,3 & 1st 2 subbands of switched blocks
\r
1030 * xr[sb][ss] *= pow(2.0, -0.5 * (1.0+gr_info.scalefac_scale)
\r
1031 * (scalefac[ch].l[cb] + gr_info.preflag * pretab[cb]));
\r
1033 @LOC("IDX") int idx = scalefac[ch].l[cb];
\r
1035 if (gr_info.preflag != 0)
\r
1036 idx += pretab[cb];
\r
1038 idx = idx << gr_info.scalefac_scale;
\r
1039 xr[quotien][reste] *= two_to_negative_half_pow[idx];
\r
1044 for (j = nonzero[ch]; j < 576; j++) {
\r
1045 // Modif E.B 02/22/99
\r
1046 @LOC("REST") int reste = j % SSLIMIT;
\r
1047 @LOC("QUO") int quotien = (int) ((j - reste) / SSLIMIT);
\r
1052 xr[quotien][reste] = 0.0f;
\r
1061 @LATTICE("THIS<I,I<GR,GR<IN,I*,THISLOC=THIS,GLOBALLOC=IN")
\r
1062 private void reorder(@LOC("IN") float xr[][], @LOC("IN") int ch, @LOC("IN") int gr) {
\r
1063 // the purpose of reordering: move 'short samples' back to their original position
\r
1064 // after reorder, the samples are no long ordered by frequency
\r
1066 // the format of input data to reorder:
\r
1067 // three small chunks of 192 samples each are combined to 576 samples ordered by frequency
\r
1069 @LOC("GR") gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
1070 @LOC("THIS,LayerIIIDecoder.RO6") int freq;
\r
1071 @LOC("THIS,LayerIIIDecoder.RO5") int freq3;
\r
1072 @LOC("I") int index;
\r
1073 @LOC("THIS,LayerIIIDecoder.RO9") int sfb;
\r
1074 @LOC("THIS,LayerIIIDecoder.RO8") int sfb_start;
\r
1075 @LOC("THIS,LayerIIIDecoder.RO7") int sfb_lines;
\r
1076 @LOC("THIS,LayerIIIDecoder.RO4") int src_line;
\r
1077 @LOC("THIS,LayerIIIDecoder.RO1") int des_line;
\r
1078 //float[][] xr_1d = xr; subbed in xr for xr_1d so as not to create extra areas
\r
1080 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
1082 for (index = 0; index < 576; index++)
\r
1083 out_1d[index] = 0.0f;
\r
1085 if (gr_info.mixed_block_flag != 0) {
\r
1086 // NO REORDER FOR LOW 2 SUBBANDS
\r
1087 for (index = 0; index < 36; index++) {
\r
1088 // Modif E.B 02/22/99
\r
1089 @LOC("THIS,LayerIIIDecoder.RO3") int reste = index % SSLIMIT;
\r
1090 @LOC("THIS,LayerIIIDecoder.RO2") int quotien = (int) ((index - reste) / SSLIMIT);
\r
1091 out_1d[index] = xr[quotien][reste];
\r
1093 // REORDERING FOR REST SWITCHED SHORT
\r
1095 * for( sfb=3,sfb_start=sfBandIndex[sfreq].s[3],
\r
1096 * sfb_lines=sfBandIndex[sfreq].s[4] - sfb_start; sfb < 13;
\r
1097 * sfb++,sfb_start = sfBandIndex[sfreq].s[sfb], sfb_lines =
\r
1098 * sfBandIndex[sfreq].s[sfb+1] - sfb_start ) {
\r
1100 for (sfb = 3; sfb < 13; sfb++) {
\r
1101 // System.out.println("sfreq="+sfreq+" sfb="+sfb+" sfBandIndex="+sfBandIndex.length+" sfBandIndex[sfreq].s="+sfBandIndex[sfreq].s.length);
\r
1102 sfb_start = sfBandIndex[sfreq].s[sfb];
\r
1103 sfb_lines = sfBandIndex[sfreq].s[sfb + 1] - sfb_start;
\r
1105 @LOC("THIS,LayerIIIDecoder.RO7") int sfb_start3 = (sfb_start << 2) - sfb_start;
\r
1107 for (freq = 0, freq3 = 0; freq < sfb_lines; freq++, freq3 += 3) {
\r
1109 src_line = sfb_start3 + freq;
\r
1110 des_line = sfb_start3 + freq3;
\r
1111 // Modif E.B 02/22/99
\r
1112 @LOC("THIS,LayerIIIDecoder.RO3") int reste = src_line % SSLIMIT;
\r
1113 @LOC("THIS,LayerIIIDecoder.RO2") int quotien = (int) ((src_line - reste) / SSLIMIT);
\r
1115 out_1d[des_line] = xr[quotien][reste];
\r
1116 src_line += sfb_lines;
\r
1119 reste = src_line % SSLIMIT;
\r
1120 quotien = (int) ((src_line - reste) / SSLIMIT);
\r
1122 out_1d[des_line] = xr[quotien][reste];
\r
1123 src_line += sfb_lines;
\r
1126 reste = src_line % SSLIMIT;
\r
1127 quotien = (int) ((src_line - reste) / SSLIMIT);
\r
1129 out_1d[des_line] = xr[quotien][reste];
\r
1133 } else { // pure short
\r
1134 for (index = 0; index < 576; index++) {
\r
1135 @LOC("THIS,LayerIIIDecoder.RO8") int j = reorder_table[sfreq][index];
\r
1136 @LOC("THIS,LayerIIIDecoder.RO3") int reste = j % SSLIMIT;
\r
1137 @LOC("THIS,LayerIIIDecoder.RO2") int quotien = (int) ((j - reste) / SSLIMIT);
\r
1138 out_1d[index] = xr[quotien][reste];
\r
1141 } else { // long blocks
\r
1142 for (index = 0; index < 576; index++) {
\r
1143 // Modif E.B 02/22/99
\r
1144 @LOC("THIS,LayerIIIDecoder.RO3") int reste = index % SSLIMIT;
\r
1145 @LOC("THIS,LayerIIIDecoder.RO2") int quotien = (int) ((index - reste) / SSLIMIT);
\r
1146 out_1d[index] = xr[quotien][reste];
\r
1155 @LOC("IP") int[] is_pos = new int[576];
\r
1156 @LOC("IR") float[] is_ratio = new float[576];
\r
1158 @LATTICE("IO<THIS,THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
\r
1159 private void stereo(@LOC("IN") int gr) {
\r
1160 @LOC("SH") int sb;
\r
1161 @LOC("SH") int ss;
\r
1163 if (channels == 1) { // mono , bypass xr[0][][] to lr[0][][]
\r
1165 for (sb = 0; sb < SBLIMIT; sb++)
\r
1166 for (ss = 0; ss < SSLIMIT; ss += 3) {
\r
1167 lr[0][sb][ss] = ro[0][sb][ss];
\r
1168 lr[0][sb][ss + 1] = ro[0][sb][ss + 1];
\r
1169 lr[0][sb][ss + 2] = ro[0][sb][ss + 2];
\r
1174 @LOC("THIS,LayerIIIDecoder.ME") gr_info_s gr_info = (si.ch[0].gr[gr]);
\r
1175 @LOC("THIS,LayerIIIDecoder.ME") int mode_ext = header.mode_extension();
\r
1176 @LOC("THIS,LayerIIIDecoder.SH") int sfb;
\r
1177 @LOC("THIS,LayerIIIDecoder.SH") int i;
\r
1178 @LOC("THIS,LayerIIIDecoder.SH") int line;
\r
1179 @LOC("THIS,LayerIIIDecoder.SH") int temp;
\r
1180 @LOC("THIS,LayerIIIDecoder.TMP2") int temp2;
\r
1182 @LOC("THIS,LayerIIIDecoder.S") boolean ms_stereo = ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x2) != 0));
\r
1183 @LOC("THIS,LayerIIIDecoder.S") boolean i_stereo = ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x1) != 0));
\r
1184 @LOC("THIS,LayerIIIDecoder.LSF") boolean lsf =
\r
1185 ((header.version() == Header.MPEG2_LSF || header.version() == Header.MPEG25_LSF)); // SZD
\r
1187 @LOC("IO") int io_type = (gr_info.scalefac_compress & 1);
\r
1191 for (i = 0; i < 576; i++) {
\r
1194 is_ratio[i] = 0.0f;
\r
1198 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {
\r
1199 if (gr_info.mixed_block_flag != 0) {
\r
1201 @LOC("THIS,LayerIIIDecoder.SH") int max_sfb = 0;
\r
1203 for (@LOC("THIS,LayerIIIDecoder.J") int j = 0; j < 3; j++) {
\r
1204 @LOC("THIS,LayerIIIDecoder.SH") int sfbcnt;
\r
1206 for (sfb = 12; sfb >= 3; sfb--) {
\r
1207 i = sfBandIndex[sfreq].s[sfb];
\r
1208 lines = sfBandIndex[sfreq].s[sfb + 1] - i;
\r
1209 i = (i << 2) - i + (j + 1) * lines - 1;
\r
1211 while (lines > 0) {
\r
1212 if (ro[1][i / 18][i % 18] != 0.0f) {
\r
1213 // MDM: in java, array access is very slow.
\r
1214 // Is quicker to compute div and mod values.
\r
1215 // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {
\r
1224 } // while (lines > 0)
\r
1226 } // for (sfb=12 ...
\r
1229 if (sfb > max_sfb)
\r
1232 while (sfb < 12) {
\r
1233 temp = sfBandIndex[sfreq].s[sfb];
\r
1234 sb = sfBandIndex[sfreq].s[sfb + 1] - temp;
\r
1235 i = (temp << 2) - temp + j * sb;
\r
1237 for (; sb > 0; sb--) {
\r
1238 is_pos[i] = scalefac[1].s[j][sfb];
\r
1239 if (is_pos[i] != 7)
\r
1241 i_stereo_k_values(is_pos[i], io_type, i);
\r
1243 is_ratio[i] = TAN12[is_pos[i]];
\r
1246 } // for (; sb>0...
\r
1248 } // while (sfb < 12)
\r
1249 sfb = sfBandIndex[sfreq].s[10];
\r
1250 sb = sfBandIndex[sfreq].s[11] - sfb;
\r
1251 sfb = (sfb << 2) - sfb + j * sb;
\r
1252 temp = sfBandIndex[sfreq].s[11];
\r
1253 sb = sfBandIndex[sfreq].s[12] - temp;
\r
1254 i = (temp << 2) - temp + j * sb;
\r
1256 for (; sb > 0; sb--) {
\r
1257 is_pos[i] = is_pos[sfb];
\r
1260 k[0][i] = k[0][sfb];
\r
1261 k[1][i] = k[1][sfb];
\r
1263 is_ratio[i] = is_ratio[sfb];
\r
1266 } // for (; sb > 0 ...
\r
1268 if (max_sfb <= 3) {
\r
1273 if (ro[1][i][ss] != 0.0f) {
\r
1274 sb = (i << 4) + (i << 1) + ss;
\r
1285 while (sfBandIndex[sfreq].l[i] <= sb)
\r
1288 i = sfBandIndex[sfreq].l[i];
\r
1289 for (; sfb < 8; sfb++) {
\r
1290 sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];
\r
1291 for (; sb > 0; sb--) {
\r
1292 is_pos[i] = scalefac[1].l[sfb];
\r
1293 if (is_pos[i] != 7)
\r
1295 i_stereo_k_values(is_pos[i], io_type, i);
\r
1297 is_ratio[i] = TAN12[is_pos[i]];
\r
1299 } // for (; sb>0 ...
\r
1300 } // for (; sfb<8 ...
\r
1302 } else { // if (gr_info.mixed_block_flag)
\r
1303 for (@LOC("THIS,LayerIIIDecoder.J") int j = 0; j < 3; j++) {
\r
1304 @LOC("THIS,LayerIIIDecoder.SH") int sfbcnt;
\r
1306 for (sfb = 12; sfb >= 0; sfb--) {
\r
1307 temp = sfBandIndex[sfreq].s[sfb];
\r
1308 lines = sfBandIndex[sfreq].s[sfb + 1] - temp;
\r
1309 i = (temp << 2) - temp + (j + 1) * lines - 1;
\r
1311 while (lines > 0) {
\r
1312 if (ro[1][i / 18][i % 18] != 0.0f) {
\r
1313 // MDM: in java, array access is very slow.
\r
1314 // Is quicker to compute div and mod values.
\r
1315 // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {
\r
1322 } // while (lines > 0) */
\r
1324 } // for (sfb=12 ...
\r
1326 while (sfb < 12) {
\r
1327 temp = sfBandIndex[sfreq].s[sfb];
\r
1328 sb = sfBandIndex[sfreq].s[sfb + 1] - temp;
\r
1329 i = (temp << 2) - temp + j * sb;
\r
1330 for (; sb > 0; sb--) {
\r
1331 is_pos[i] = scalefac[1].s[j][sfb];
\r
1332 if (is_pos[i] != 7)
\r
1334 i_stereo_k_values(is_pos[i], io_type, i);
\r
1336 is_ratio[i] = TAN12[is_pos[i]];
\r
1338 } // for (; sb>0 ...
\r
1340 } // while (sfb<12)
\r
1342 temp = sfBandIndex[sfreq].s[10];
\r
1343 temp2 = sfBandIndex[sfreq].s[11];
\r
1344 sb = temp2 - temp;
\r
1345 sfb = (temp << 2) - temp + j * sb;
\r
1346 sb = sfBandIndex[sfreq].s[12] - temp2;
\r
1347 i = (temp2 << 2) - temp2 + j * sb;
\r
1349 for (; sb > 0; sb--) {
\r
1350 is_pos[i] = is_pos[sfb];
\r
1353 k[0][i] = k[0][sfb];
\r
1354 k[1][i] = k[1][sfb];
\r
1356 is_ratio[i] = is_ratio[sfb];
\r
1359 } // for (; sb>0 ...
\r
1362 } else { // if (gr_info.window_switching_flag ...
\r
1367 if (ro[1][i][ss] != 0.0f) {
\r
1368 sb = (i << 4) + (i << 1) + ss;
\r
1379 while (sfBandIndex[sfreq].l[i] <= sb)
\r
1383 i = sfBandIndex[sfreq].l[i];
\r
1384 for (; sfb < 21; sfb++) {
\r
1385 sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];
\r
1386 for (; sb > 0; sb--) {
\r
1387 is_pos[i] = scalefac[1].l[sfb];
\r
1388 if (is_pos[i] != 7)
\r
1390 i_stereo_k_values(is_pos[i], io_type, i);
\r
1392 is_ratio[i] = TAN12[is_pos[i]];
\r
1396 sfb = sfBandIndex[sfreq].l[20];
\r
1397 for (sb = 576 - sfBandIndex[sfreq].l[21]; (sb > 0) && (i < 576); sb--) {
\r
1398 is_pos[i] = is_pos[sfb]; // error here : i >=576
\r
1401 k[0][i] = k[0][sfb];
\r
1402 k[1][i] = k[1][sfb];
\r
1404 is_ratio[i] = is_ratio[sfb];
\r
1407 } // if (gr_info.mixed_block_flag)
\r
1408 } // if (gr_info.window_switching_flag ...
\r
1409 } // if (i_stereo)
\r
1412 for (sb = 0; sb < SBLIMIT; sb++)
\r
1413 for (ss = 0; ss < SSLIMIT; ss++) {
\r
1414 if (is_pos[i] == 7) {
\r
1416 lr[0][sb][ss] = (ro[0][sb][ss] + ro[1][sb][ss]) * 0.707106781f;
\r
1417 lr[1][sb][ss] = (ro[0][sb][ss] - ro[1][sb][ss]) * 0.707106781f;
\r
1419 lr[0][sb][ss] = ro[0][sb][ss];
\r
1420 lr[1][sb][ss] = ro[1][sb][ss];
\r
1422 } else if (i_stereo) {
\r
1425 lr[0][sb][ss] = ro[0][sb][ss] * k[0][i];
\r
1426 lr[1][sb][ss] = ro[0][sb][ss] * k[1][i];
\r
1428 lr[1][sb][ss] = ro[0][sb][ss] / (float) (1 + is_ratio[i]);
\r
1429 lr[0][sb][ss] = lr[1][sb][ss] * is_ratio[i];
\r
1433 * else { System.out.println("Error in stereo processing\n"); }
\r
1438 } // channels == 2
\r
1445 @LATTICE("THIS<SRC<SS,SS<SB18,SB18<SB18LIM,SB18LIM<GR,GR<IN,SB18*,SS*,THISLOC=THIS")
\r
1446 private void antialias(@LOC("IN") int ch, @LOC("IN") int gr) {
\r
1447 @LOC("SB18") int sb18;
\r
1448 @LOC("SS") int ss;
\r
1449 @LOC("SB18LIM") int sb18lim;
\r
1450 @LOC("GR") gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
1451 // 31 alias-reduction operations between each pair of sub-bands
\r
1452 // with 8 butterflies between each pair
\r
1454 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)
\r
1455 && !(gr_info.mixed_block_flag != 0))
\r
1458 if ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0)
\r
1459 && (gr_info.block_type == 2)) {
\r
1465 for (sb18 = 0; sb18 < sb18lim; sb18 += 18) {
\r
1466 for (ss = 0; ss < 8; ss++) {
\r
1467 @LOC("SRC") int src_idx1 = sb18 + 17 - ss;
\r
1468 @LOC("SRC") int src_idx2 = sb18 + 18 + ss;
\r
1469 @LOC("THIS,LayerIIIDecoder.O") float bu = out_1d[src_idx1];
\r
1470 @LOC("THIS,LayerIIIDecoder.0") float bd = out_1d[src_idx2];
\r
1471 out_1d[src_idx1] = (bu * cs[ss]) - (bd * ca[ss]);
\r
1472 out_1d[src_idx2] = (bd * cs[ss]) + (bu * ca[ss]);
\r
1481 // MDM: tsOutCopy and rawout do not need initializing, so the arrays
\r
1483 @LOC("TS") float[] tsOutCopy = new float[18];
\r
1484 @LOC("RAW") float[] rawout = new float[36];
\r
1486 @LATTICE("THIS<SB,THIS<SH,SH<IN,IN<GLOBAL,SB*,SH*,THISLOC=THIS,GLOBALLOC=GLOBAL")
\r
1487 private void hybrid(@LOC("IN") int ch, @LOC("IN") int gr) {
\r
1488 @LOC("THIS,LayerIIIDecoder.BT") int bt;
\r
1489 @LOC("SB") int sb18;
\r
1490 @LOC("THIS,LayerIIIDecoder.GR") gr_info_s gr_info = (si.ch[ch].gr[gr]);
\r
1491 @LOC("THIS,LayerIIIDecoder.TS") float[] tsOut;
\r
1493 //float[][] prvblk;
\r
1495 for (sb18 = 0; sb18 < 576; sb18 += 18) {
\r
1497 ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0) && (sb18 < 36))
\r
1498 ? 0 : gr_info.block_type;
\r
1501 // Modif E.B 02/22/99
\r
1502 for (@LOC("SH") int cc = 0; cc < 18; cc++)
\r
1503 tsOutCopy[cc] = tsOut[cc + sb18];
\r
1505 inv_mdct(tsOutCopy, rawout, bt);
\r
1507 for (@LOC("SH") int cc = 0; cc < 18; cc++)
\r
1508 tsOut[cc + sb18] = tsOutCopy[cc];
\r
1511 // overlap addition
\r
1512 //prvblk = prevblck; //eliminated unnecessary areas
\r
1514 tsOut[0 + sb18] = rawout[0] + prevblk[ch][sb18 + 0];
\r
1515 prevblk[ch][sb18 + 0] = rawout[18];
\r
1516 tsOut[1 + sb18] = rawout[1] + prevblk[ch][sb18 + 1];
\r
1517 prevblk[ch][sb18 + 1] = rawout[19];
\r
1518 tsOut[2 + sb18] = rawout[2] + prevblk[ch][sb18 + 2];
\r
1519 prevblk[ch][sb18 + 2] = rawout[20];
\r
1520 tsOut[3 + sb18] = rawout[3] + prevblk[ch][sb18 + 3];
\r
1521 prevblk[ch][sb18 + 3] = rawout[21];
\r
1522 tsOut[4 + sb18] = rawout[4] + prevblk[ch][sb18 + 4];
\r
1523 prevblk[ch][sb18 + 4] = rawout[22];
\r
1524 tsOut[5 + sb18] = rawout[5] + prevblk[ch][sb18 + 5];
\r
1525 prevblk[ch][sb18 + 5] = rawout[23];
\r
1526 tsOut[6 + sb18] = rawout[6] + prevblk[ch][sb18 + 6];
\r
1527 prevblk[ch][sb18 + 6] = rawout[24];
\r
1528 tsOut[7 + sb18] = rawout[7] + prevblk[ch][sb18 + 7];
\r
1529 prevblk[ch][sb18 + 7] = rawout[25];
\r
1530 tsOut[8 + sb18] = rawout[8] + prevblk[ch][sb18 + 8];
\r
1531 prevblk[ch][sb18 + 8] = rawout[26];
\r
1532 tsOut[9 + sb18] = rawout[9] + prevblk[ch][sb18 + 9];
\r
1533 prevblk[ch][sb18 + 9] = rawout[27];
\r
1534 tsOut[10 + sb18] = rawout[10] + prevblk[ch][sb18 + 10];
\r
1535 prevblk[ch][sb18 + 10] = rawout[28];
\r
1536 tsOut[11 + sb18] = rawout[11] + prevblk[ch][sb18 + 11];
\r
1537 prevblk[ch][sb18 + 11] = rawout[29];
\r
1538 tsOut[12 + sb18] = rawout[12] + prevblk[ch][sb18 + 12];
\r
1539 prevblk[ch][sb18 + 12] = rawout[30];
\r
1540 tsOut[13 + sb18] = rawout[13] + prevblk[ch][sb18 + 13];
\r
1541 prevblk[ch][sb18 + 13] = rawout[31];
\r
1542 tsOut[14 + sb18] = rawout[14] + prevblk[ch][sb18 + 14];
\r
1543 prevblk[ch][sb18 + 14] = rawout[32];
\r
1544 tsOut[15 + sb18] = rawout[15] + prevblk[ch][sb18 + 15];
\r
1545 prevblk[ch][sb18 + 15] = rawout[33];
\r
1546 tsOut[16 + sb18] = rawout[16] + prevblk[ch][sb18 + 16];
\r
1547 prevblk[ch][sb18 + 16] = rawout[34];
\r
1548 tsOut[17 + sb18] = rawout[17] + prevblk[ch][sb18 + 17];
\r
1549 prevblk[ch][sb18 + 17] = rawout[35];
\r
1556 @LATTICE("THIS<SB,THIS<SS,SB<GLOBAL,SS<GLOBAL,SS*,SB*,THISLOC=THIS,GLOBALLOC=GLOBAL")
\r
1557 private void do_downmix() {
\r
1558 for (@LOC("SB") int sb = 0; sb < SSLIMIT; sb++) {
\r
1559 for (@LOC("SS") int ss = 0; ss < SSLIMIT; ss += 3) {
\r
1560 lr[0][sb][ss] = (lr[0][sb][ss] + lr[1][sb][ss]) * 0.5f;
\r
1561 lr[0][sb][ss + 1] = (lr[0][sb][ss + 1] + lr[1][sb][ss + 1]) * 0.5f;
\r
1562 lr[0][sb][ss + 2] = (lr[0][sb][ss + 2] + lr[1][sb][ss + 2]) * 0.5f;
\r
1570 @LATTICE("OUT<6I,OUT<TMPF,TMPF<EO,EO<TMP,TMP<SUM,TMP<IIP,IIP<I00,I00<SH,SUM<PP,PP<SH,SH<I,I<IN,TMPF*,SH*,I*,6I*,GLOBALLOC=IN")
\r
1571 public void inv_mdct(@LOC("SH") float[] in, @LOC("OUT") float[] out, @LOC("IN") int block_type) {
\r
1575 @LOC("TMPF") float tmpf_0;
\r
1576 @LOC("TMPF") float tmpf_1;
\r
1577 @LOC("TMPF") float tmpf_2;
\r
1578 @LOC("TMPF") float tmpf_3;
\r
1579 @LOC("TMPF") float tmpf_4;
\r
1580 @LOC("TMPF") float tmpf_5;
\r
1581 @LOC("TMPF") float tmpf_6;
\r
1582 @LOC("TMPF") float tmpf_7;
\r
1583 @LOC("TMPF") float tmpf_8;
\r
1584 @LOC("TMPF") float tmpf_9;
\r
1585 @LOC("TMPF") float tmpf_10;
\r
1586 @LOC("TMPF") float tmpf_11;
\r
1587 @LOC("TMPF") float tmpf_12;
\r
1588 @LOC("TMPF") float tmpf_13;
\r
1589 @LOC("TMPF") float tmpf_14;
\r
1590 @LOC("TMPF") float tmpf_15;
\r
1591 @LOC("TMPF") float tmpf_16;
\r
1592 @LOC("TMPF") float tmpf_17;
\r
1609 tmpf_15 = tmpf_16 = tmpf_17 = 0.0f;
\r
1611 if (block_type == 2) {
\r
1615 * Under MicrosoftVM 2922, This causes a GPF, or At best, an
\r
1616 * ArrayIndexOutOfBoundsExceptin. for(int p=0;p<36;p+=9) { out[p] =
\r
1617 * out[p+1] = out[p+2] = out[p+3] = out[p+4] = out[p+5] = out[p+6] =
\r
1618 * out[p+7] = out[p+8] = 0.0f; }
\r
1657 @LOC("6I") int six_i = 0;
\r
1659 for (i = 0; i < 3; i++) {
\r
1661 // Begin 12 point IDCT
\r
1662 // Input aliasing for 12 pt IDCT
\r
1663 in[15 + i] += in[12 + i];
\r
1664 in[12 + i] += in[9 + i];
\r
1665 in[9 + i] += in[6 + i];
\r
1666 in[6 + i] += in[3 + i];
\r
1667 in[3 + i] += in[0 + i];
\r
1669 // Input aliasing on odd indices (for 6 point IDCT)
\r
1670 in[15 + i] += in[9 + i];
\r
1671 in[9 + i] += in[3 + i];
\r
1673 // 3 point IDCT on even indices
\r
1674 @LOC("PP") float pp1;
\r
1675 @LOC("PP") float pp2;
\r
1676 @LOC("SUM") float sum;
\r
1677 pp2 = in[12 + i] * 0.500000000f;
\r
1678 pp1 = in[6 + i] * 0.866025403f;
\r
1679 sum = in[0 + i] + pp2;
\r
1680 tmpf_1 = in[0 + i] - in[12 + i];
\r
1681 tmpf_0 = sum + pp1;
\r
1682 tmpf_2 = sum - pp1;
\r
1684 // End 3 point IDCT on even indices
\r
1685 // 3 point IDCT on odd indices (for 6 point IDCT)
\r
1686 pp2 = in[15 + i] * 0.500000000f;
\r
1687 pp1 = in[9 + i] * 0.866025403f;
\r
1688 sum = in[3 + i] + pp2;
\r
1689 tmpf_4 = in[3 + i] - in[15 + i];
\r
1690 tmpf_5 = sum + pp1;
\r
1691 tmpf_3 = sum - pp1;
\r
1692 // End 3 point IDCT on odd indices
\r
1693 // Twiddle factors on odd indices (for 6 point IDCT)
\r
1695 tmpf_3 *= 1.931851653f;
\r
1696 tmpf_4 *= 0.707106781f;
\r
1697 tmpf_5 *= 0.517638090f;
\r
1699 // Output butterflies on 2 3 point IDCT's (for 6 point IDCT)
\r
1700 @LOC("SH") float save = tmpf_0;
\r
1702 tmpf_5 = save - tmpf_5;
\r
1705 tmpf_4 = save - tmpf_4;
\r
1708 tmpf_3 = save - tmpf_3;
\r
1710 // End 6 point IDCT
\r
1711 // Twiddle factors on indices (for 12 point IDCT)
\r
1713 tmpf_0 *= 0.504314480f;
\r
1714 tmpf_1 *= 0.541196100f;
\r
1715 tmpf_2 *= 0.630236207f;
\r
1716 tmpf_3 *= 0.821339815f;
\r
1717 tmpf_4 *= 1.306562965f;
\r
1718 tmpf_5 *= 3.830648788f;
\r
1720 // End 12 point IDCT
\r
1722 // Shift to 12 point modified IDCT, multiply by window type 2
\r
1723 tmpf_8 = -tmpf_0 * 0.793353340f;
\r
1724 tmpf_9 = -tmpf_0 * 0.608761429f;
\r
1725 tmpf_7 = -tmpf_1 * 0.923879532f;
\r
1726 tmpf_10 = -tmpf_1 * 0.382683432f;
\r
1727 tmpf_6 = -tmpf_2 * 0.991444861f;
\r
1728 tmpf_11 = -tmpf_2 * 0.130526192f;
\r
1731 tmpf_1 = tmpf_4 * 0.382683432f;
\r
1732 tmpf_2 = tmpf_5 * 0.608761429f;
\r
1734 tmpf_3 = -tmpf_5 * 0.793353340f;
\r
1735 tmpf_4 = -tmpf_4 * 0.923879532f;
\r
1736 tmpf_5 = -tmpf_0 * 0.991444861f;
\r
1738 tmpf_0 *= 0.130526192f;
\r
1740 out[six_i + 6] += tmpf_0;
\r
1741 out[six_i + 7] += tmpf_1;
\r
1742 out[six_i + 8] += tmpf_2;
\r
1743 out[six_i + 9] += tmpf_3;
\r
1744 out[six_i + 10] += tmpf_4;
\r
1745 out[six_i + 11] += tmpf_5;
\r
1746 out[six_i + 12] += tmpf_6;
\r
1747 out[six_i + 13] += tmpf_7;
\r
1748 out[six_i + 14] += tmpf_8;
\r
1749 out[six_i + 15] += tmpf_9;
\r
1750 out[six_i + 16] += tmpf_10;
\r
1751 out[six_i + 17] += tmpf_11;
\r
1757 // input aliasing for 36 point IDCT
\r
1776 // 18 point IDCT for odd indices
\r
1777 // input aliasing for 18 point IDCT
\r
1787 @LOC("TMP") float tmp0;
\r
1788 @LOC("TMP") float tmp1;
\r
1789 @LOC("TMP") float tmp2;
\r
1790 @LOC("TMP") float tmp3;
\r
1791 @LOC("TMP") float tmp4;
\r
1792 @LOC("TMP") float tmp0_;
\r
1793 @LOC("TMP") float tmp1_;
\r
1794 @LOC("TMP") float tmp2_;
\r
1795 @LOC("TMP") float tmp3_;
\r
1796 @LOC("TMP") float tmp0o;
\r
1797 @LOC("TMP") float tmp1o;
\r
1798 @LOC("TMP") float tmp2o;
\r
1799 @LOC("TMP") float tmp3o;
\r
1800 @LOC("TMP") float tmp4o;
\r
1801 @LOC("TMP") float tmp0_o;
\r
1802 @LOC("TMP") float tmp1_o;
\r
1803 @LOC("TMP") float tmp2_o;
\r
1804 @LOC("TMP") float tmp3_o;
\r
1806 // Fast 9 Point Inverse Discrete Cosine Transform
\r
1808 // By Francois-Raymond Boyer
\r
1809 // mailto:boyerf@iro.umontreal.ca
\r
1810 // http://www.iro.umontreal.ca/~boyerf
\r
1812 // The code has been optimized for Intel processors
\r
1813 // (takes a lot of time to convert float to and from iternal FPU
\r
1814 // representation)
\r
1816 // It is a simple "factorization" of the IDCT matrix.
\r
1818 // 9 point IDCT on even indices
\r
1820 // 5 points on odd indices (not realy an IDCT)
\r
1821 @LOC("I00") float i00 = in[0] + in[0];
\r
1822 @LOC("IIP") float iip12 = i00 + in[12];
\r
1825 iip12 + in[4] * 1.8793852415718f + in[8] * 1.532088886238f + in[16] * 0.34729635533386f;
\r
1826 tmp1 = i00 + in[4] - in[8] - in[12] - in[12] - in[16];
\r
1828 iip12 - in[4] * 0.34729635533386f - in[8] * 1.8793852415718f + in[16] * 1.532088886238f;
\r
1830 iip12 - in[4] * 1.532088886238f + in[8] * 0.34729635533386f - in[16] * 1.8793852415718f;
\r
1831 tmp4 = in[0] - in[4] + in[8] - in[12] + in[16];
\r
1833 // 4 points on even indices
\r
1834 @LOC("I00") float i66_ = in[6] * 1.732050808f; // Sqrt[3]
\r
1837 in[2] * 1.9696155060244f + i66_ + in[10] * 1.2855752193731f + in[14] * 0.68404028665134f;
\r
1838 tmp1_ = (in[2] - in[10] - in[14]) * 1.732050808f;
\r
1840 in[2] * 1.2855752193731f - i66_ - in[10] * 0.68404028665134f + in[14] * 1.9696155060244f;
\r
1842 in[2] * 0.68404028665134f - i66_ + in[10] * 1.9696155060244f - in[14] * 1.2855752193731f;
\r
1844 // 9 point IDCT on odd indices
\r
1845 // 5 points on odd indices (not realy an IDCT)
\r
1846 @LOC("I00") float i0 = in[0 + 1] + in[0 + 1];
\r
1847 @LOC("IIP") float i0p12 = i0 + in[12 + 1];
\r
1850 i0p12 + in[4 + 1] * 1.8793852415718f + in[8 + 1] * 1.532088886238f + in[16 + 1]
\r
1851 * 0.34729635533386f;
\r
1852 tmp1o = i0 + in[4 + 1] - in[8 + 1] - in[12 + 1] - in[12 + 1] - in[16 + 1];
\r
1854 i0p12 - in[4 + 1] * 0.34729635533386f - in[8 + 1] * 1.8793852415718f + in[16 + 1]
\r
1855 * 1.532088886238f;
\r
1857 i0p12 - in[4 + 1] * 1.532088886238f + in[8 + 1] * 0.34729635533386f - in[16 + 1]
\r
1858 * 1.8793852415718f;
\r
1859 tmp4o = (in[0 + 1] - in[4 + 1] + in[8 + 1] - in[12 + 1] + in[16 + 1]) * 0.707106781f; // Twiddled
\r
1861 // 4 points on even indices
\r
1862 @LOC("I00") float i6_ = in[6 + 1] * 1.732050808f; // Sqrt[3]
\r
1865 in[2 + 1] * 1.9696155060244f + i6_ + in[10 + 1] * 1.2855752193731f + in[14 + 1]
\r
1866 * 0.68404028665134f;
\r
1867 tmp1_o = (in[2 + 1] - in[10 + 1] - in[14 + 1]) * 1.732050808f;
\r
1869 in[2 + 1] * 1.2855752193731f - i6_ - in[10 + 1] * 0.68404028665134f + in[14 + 1]
\r
1870 * 1.9696155060244f;
\r
1872 in[2 + 1] * 0.68404028665134f - i6_ + in[10 + 1] * 1.9696155060244f - in[14 + 1]
\r
1873 * 1.2855752193731f;
\r
1875 // Twiddle factors on odd indices
\r
1877 // Butterflies on 9 point IDCT's
\r
1879 // twiddle factors for 36 point IDCT
\r
1881 @LOC("EO") float e;
\r
1882 @LOC("EO") float o;
\r
1884 o = (tmp0o + tmp0_o) * 0.501909918f;
\r
1888 o = (tmp1o + tmp1_o) * 0.517638090f;
\r
1892 o = (tmp2o + tmp2_o) * 0.551688959f;
\r
1896 o = (tmp3o + tmp3_o) * 0.610387294f;
\r
1899 tmpf_4 = tmp4 + tmp4o;
\r
1900 tmpf_13 = tmp4 - tmp4o;
\r
1902 o = (tmp3o - tmp3_o) * 0.871723397f;
\r
1906 o = (tmp2o - tmp2_o) * 1.183100792f;
\r
1910 o = (tmp1o - tmp1_o) * 1.931851653f;
\r
1914 o = (tmp0o - tmp0_o) * 5.736856623f;
\r
1918 // end 36 point IDCT */
\r
1919 // shift to modified IDCT
\r
1920 //win_bt = win[block_type]; //substituted this so that a new area does not become created
\r
1922 out[0] = -tmpf_9 * win[block_type][0];
\r
1923 out[1] = -tmpf_10 * win[block_type][1];
\r
1924 out[2] = -tmpf_11 * win[block_type][2];
\r
1925 out[3] = -tmpf_12 * win[block_type][3];
\r
1926 out[4] = -tmpf_13 * win[block_type][4];
\r
1927 out[5] = -tmpf_14 * win[block_type][5];
\r
1928 out[6] = -tmpf_15 * win[block_type][6];
\r
1929 out[7] = -tmpf_16 * win[block_type][7];
\r
1930 out[8] = -tmpf_17 * win[block_type][8];
\r
1931 out[9] = tmpf_17 * win[block_type][9];
\r
1932 out[10] = tmpf_16 * win[block_type][10];
\r
1933 out[11] = tmpf_15 * win[block_type][11];
\r
1934 out[12] = tmpf_14 * win[block_type][12];
\r
1935 out[13] = tmpf_13 * win[block_type][13];
\r
1936 out[14] = tmpf_12 * win[block_type][14];
\r
1937 out[15] = tmpf_11 * win[block_type][15];
\r
1938 out[16] = tmpf_10 * win[block_type][16];
\r
1939 out[17] = tmpf_9 * win[block_type][17];
\r
1940 out[18] = tmpf_8 * win[block_type][18];
\r
1941 out[19] = tmpf_7 * win[block_type][19];
\r
1942 out[20] = tmpf_6 * win[block_type][20];
\r
1943 out[21] = tmpf_5 * win[block_type][21];
\r
1944 out[22] = tmpf_4 * win[block_type][22];
\r
1945 out[23] = tmpf_3 * win[block_type][23];
\r
1946 out[24] = tmpf_2 * win[block_type][24];
\r
1947 out[25] = tmpf_1 * win[block_type][25];
\r
1948 out[26] = tmpf_0 * win[block_type][26];
\r
1949 out[27] = tmpf_0 * win[block_type][27];
\r
1950 out[28] = tmpf_1 * win[block_type][28];
\r
1951 out[29] = tmpf_2 * win[block_type][29];
\r
1952 out[30] = tmpf_3 * win[block_type][30];
\r
1953 out[31] = tmpf_4 * win[block_type][31];
\r
1954 out[32] = tmpf_5 * win[block_type][32];
\r
1955 out[33] = tmpf_6 * win[block_type][33];
\r
1956 out[34] = tmpf_7 * win[block_type][34];
\r
1957 out[35] = tmpf_8 * win[block_type][35];
\r
1961 @LOC("C") private int counter = 0;
\r
1962 @LOC("F") private static final int SSLIMIT = 18;
\r
1963 @LOC("F") private static final int SBLIMIT = 32;
\r
1965 // Size of the table of whole numbers raised to 4/3 power.
\r
1966 // This may be adjusted for performance without any problems.
\r
1967 // public static final int POW_TABLE_LIMIT=512;
\r
1969 /************************************************************/
\r
1971 /************************************************************/
\r
1973 static class SBI {
\r
1982 public SBI(int[] thel, int[] thes) {
\r
1988 static class gr_info_s {
\r
1989 public int part2_3_length = 0;
\r
1990 public int big_values = 0;
\r
1991 public int global_gain = 0;
\r
1992 public int scalefac_compress = 0;
\r
1993 public int window_switching_flag = 0;
\r
1994 public int block_type = 0;
\r
1995 public int mixed_block_flag = 0;
\r
1996 public int[] table_select;
\r
1997 public int[] subblock_gain;
\r
1998 public int region0_count = 0;
\r
1999 public int region1_count = 0;
\r
2000 public int preflag = 0;
\r
2001 public int scalefac_scale = 0;
\r
2002 public int count1table_select = 0;
\r
2005 * Dummy Constructor
\r
2007 public gr_info_s() {
\r
2008 table_select = new int[3];
\r
2009 subblock_gain = new int[3];
\r
2013 static class temporaire {
\r
2014 public int[] scfsi;
\r
2015 public gr_info_s[] gr;
\r
2018 * Dummy Constructor
\r
2020 public temporaire() {
\r
2021 scfsi = new int[4];
\r
2022 gr = new gr_info_s[2];
\r
2023 gr[0] = new gr_info_s();
\r
2024 gr[1] = new gr_info_s();
\r
2028 static class III_side_info_t {
\r
2030 public int main_data_begin = 0;
\r
2031 public int private_bits = 0;
\r
2032 public temporaire[] ch;
\r
2035 * Dummy Constructor
\r
2037 public III_side_info_t() {
\r
2038 ch = new temporaire[2];
\r
2039 ch[0] = new temporaire();
\r
2040 ch[1] = new temporaire();
\r
2044 static class temporaire2 {
\r
2045 public int[] l; /* [cb] */
\r
2046 public int[][] s; /* [window][cb] */
\r
2049 * Dummy Constructor
\r
2051 public temporaire2() {
\r
2053 s = new int[3][13];
\r
2057 // class III_scalefac_t
\r
2059 // public temporaire2[] tab;
\r
2061 // * Dummy Constructor
\r
2063 // public III_scalefac_t()
\r
2065 // tab = new temporaire2[2];
\r
2069 @LOC("F") private static final int slen[][] = { { 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
\r
2070 { 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 } };
\r
2072 @LOC("F") public static final int pretab[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3,
\r
2075 @LOC("F") private SBI[] sfBandIndex; // Init in the constructor.
\r
2077 @LOC("F") public static final float two_to_negative_half_pow[] = { 1.0000000000E+00f, 7.0710678119E-01f,
\r
2078 5.0000000000E-01f, 3.5355339059E-01f, 2.5000000000E-01f, 1.7677669530E-01f,
\r
2079 1.2500000000E-01f, 8.8388347648E-02f, 6.2500000000E-02f, 4.4194173824E-02f,
\r
2080 3.1250000000E-02f, 2.2097086912E-02f, 1.5625000000E-02f, 1.1048543456E-02f,
\r
2081 7.8125000000E-03f, 5.5242717280E-03f, 3.9062500000E-03f, 2.7621358640E-03f,
\r
2082 1.9531250000E-03f, 1.3810679320E-03f, 9.7656250000E-04f, 6.9053396600E-04f,
\r
2083 4.8828125000E-04f, 3.4526698300E-04f, 2.4414062500E-04f, 1.7263349150E-04f,
\r
2084 1.2207031250E-04f, 8.6316745750E-05f, 6.1035156250E-05f, 4.3158372875E-05f,
\r
2085 3.0517578125E-05f, 2.1579186438E-05f, 1.5258789062E-05f, 1.0789593219E-05f,
\r
2086 7.6293945312E-06f, 5.3947966094E-06f, 3.8146972656E-06f, 2.6973983047E-06f,
\r
2087 1.9073486328E-06f, 1.3486991523E-06f, 9.5367431641E-07f, 6.7434957617E-07f,
\r
2088 4.7683715820E-07f, 3.3717478809E-07f, 2.3841857910E-07f, 1.6858739404E-07f,
\r
2089 1.1920928955E-07f, 8.4293697022E-08f, 5.9604644775E-08f, 4.2146848511E-08f,
\r
2090 2.9802322388E-08f, 2.1073424255E-08f, 1.4901161194E-08f, 1.0536712128E-08f,
\r
2091 7.4505805969E-09f, 5.2683560639E-09f, 3.7252902985E-09f, 2.6341780319E-09f,
\r
2092 1.8626451492E-09f, 1.3170890160E-09f, 9.3132257462E-10f, 6.5854450798E-10f,
\r
2093 4.6566128731E-10f, 3.2927225399E-10f };
\r
2095 @LOC("F") public static final float t_43[] = create_t_43();
\r
2098 static private float[] create_t_43() {
\r
2099 @LOC("OUT") float[] t43 = new float[8192];
\r
2100 final double d43 = (4.0 / 3.0);
\r
2102 for (@LOC("SH") int i = 0; i < 8192; i++) {
\r
2103 t43[i] = (float) Math.pow(i, d43);
\r
2108 @LOC("F") public static final float io[][] = {
\r
2109 { 1.0000000000E+00f, 8.4089641526E-01f, 7.0710678119E-01f, 5.9460355751E-01f,
\r
2110 5.0000000001E-01f, 4.2044820763E-01f, 3.5355339060E-01f, 2.9730177876E-01f,
\r
2111 2.5000000001E-01f, 2.1022410382E-01f, 1.7677669530E-01f, 1.4865088938E-01f,
\r
2112 1.2500000000E-01f, 1.0511205191E-01f, 8.8388347652E-02f, 7.4325444691E-02f,
\r
2113 6.2500000003E-02f, 5.2556025956E-02f, 4.4194173826E-02f, 3.7162722346E-02f,
\r
2114 3.1250000002E-02f, 2.6278012978E-02f, 2.2097086913E-02f, 1.8581361173E-02f,
\r
2115 1.5625000001E-02f, 1.3139006489E-02f, 1.1048543457E-02f, 9.2906805866E-03f,
\r
2116 7.8125000006E-03f, 6.5695032447E-03f, 5.5242717285E-03f, 4.6453402934E-03f },
\r
2117 { 1.0000000000E+00f, 7.0710678119E-01f, 5.0000000000E-01f, 3.5355339060E-01f,
\r
2118 2.5000000000E-01f, 1.7677669530E-01f, 1.2500000000E-01f, 8.8388347650E-02f,
\r
2119 6.2500000001E-02f, 4.4194173825E-02f, 3.1250000001E-02f, 2.2097086913E-02f,
\r
2120 1.5625000000E-02f, 1.1048543456E-02f, 7.8125000002E-03f, 5.5242717282E-03f,
\r
2121 3.9062500001E-03f, 2.7621358641E-03f, 1.9531250001E-03f, 1.3810679321E-03f,
\r
2122 9.7656250004E-04f, 6.9053396603E-04f, 4.8828125002E-04f, 3.4526698302E-04f,
\r
2123 2.4414062501E-04f, 1.7263349151E-04f, 1.2207031251E-04f, 8.6316745755E-05f,
\r
2124 6.1035156254E-05f, 4.3158372878E-05f, 3.0517578127E-05f, 2.1579186439E-05f } };
\r
2126 @LOC("F") public static final float TAN12[] = { 0.0f, 0.26794919f, 0.57735027f, 1.0f, 1.73205081f,
\r
2127 3.73205081f, 9.9999999e10f, -3.73205081f, -1.73205081f, -1.0f, -0.57735027f, -0.26794919f,
\r
2128 0.0f, 0.26794919f, 0.57735027f, 1.0f };
\r
2130 // REVIEW: in java, the array lookup may well be slower than
\r
2131 // the actual calculation
\r
2134 * private static final int ss_div[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
\r
2135 * 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
\r
2136 * 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
\r
2137 * 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
\r
2138 * 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6,
\r
2139 * 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
\r
2140 * 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
\r
2141 * 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10,
\r
2142 * 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11,
\r
2143 * 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
\r
2144 * 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13,
\r
2145 * 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14,
\r
2146 * 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
\r
2147 * 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
\r
2148 * 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
\r
2149 * 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
\r
2150 * 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
\r
2151 * 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
\r
2152 * 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
\r
2153 * 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
\r
2154 * 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
\r
2155 * 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25,
\r
2156 * 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26,
\r
2157 * 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27,
\r
2158 * 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28,
\r
2159 * 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29,
\r
2160 * 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30,
\r
2161 * 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31,
\r
2162 * 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31 };
\r
2164 * // 576 % 18 private static final int ss_mod[] = { 0, 1, 2, 3, 4, 5, 6, 7,
\r
2165 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2166 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
\r
2167 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
\r
2168 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
\r
2169 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
\r
2170 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2171 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
\r
2172 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
\r
2173 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
\r
2174 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
\r
2175 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2176 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
\r
2177 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
\r
2178 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
\r
2179 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
\r
2180 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2181 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
\r
2182 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
\r
2183 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
\r
2184 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
\r
2185 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2186 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
\r
2187 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
\r
2188 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
\r
2189 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
\r
2190 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
\r
2191 * 12, 13, 14, 15, 16, 17 };
\r
2193 @LOC("F") private static/* final */int reorder_table[][]/* = loadReorderTable() */; // SZD:
\r
2201 * Loads the data for the reorder
\r
2204 * private static int[][] loadReorderTable() // SZD: table will be generated {
\r
2205 * try { Class elemType = int[][].class.getComponentType(); Object o =
\r
2206 * JavaLayerUtils.deserializeArrayResource("l3reorder.ser", elemType, 6);
\r
2207 * return (int[][])o; } catch (IOException ex) { throw new
\r
2208 * ExceptionInInitializerError(ex); } }
\r
2210 @LATTICE("OUT<J,J<I,I<SE,I<WIN,SE<SF,SE<SFB,WIN<SFB,J*,I*,WIN*,SFB*")
\r
2211 static int[] reorder(@LOC("SF") int scalefac_band[]) { // SZD: converted from LAME
\r
2212 @LOC("J") int j = 0;
\r
2213 @LOC("OUT") int ix[] = new int[576];
\r
2214 for (int sfb = 0; sfb < 13; sfb++) {
\r
2215 int start = scalefac_band[sfb];
\r
2216 int end = scalefac_band[sfb + 1];
\r
2217 for (int window = 0; window < 3; window++)
\r
2218 for (int i = start; i < end; i++)
\r
2219 ix[3 * i + window] = j++;
\r
2225 * static final int reorder_table_data[][]; = { { 0, 4, 8, 1, 5, 9, 2, 6, 10,
\r
2226 * 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19, 23, 24, 28, 32, 25,
\r
2227 * 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49, 38, 44, 50, 39, 45,
\r
2228 * 51, 40, 46, 52, 41, 47, 53, 54, 60, 66, 55, 61, 67, 56, 62, 68, 57, 63, 69,
\r
2229 * 58, 64, 70, 59, 65, 71, 72, 80, 88, 73, 81, 89, 74, 82, 90, 75, 83, 91, 76,
\r
2230 * 84, 92, 77, 85, 93, 78, 86, 94, 79, 87, 95, 96,106,116, 97,107,117,
\r
2231 * 98,108,118, 99,109,119,100,110,120,101,
\r
2232 * 111,121,102,112,122,103,113,123,104,114,124,105,115,125,126,140,
\r
2233 * 154,127,141,155,128,142,156,129,143,157,130,144,158,131,145,159,
\r
2234 * 132,146,160,133,147,161,134,148,162,135,149,163,136,150,164,137,
\r
2235 * 151,165,138,152,166,139,153,167,168,186,204,169,187,205,170,188,
\r
2236 * 206,171,189,207,172,190,208,173,191,209,174,192,210,175,193,211,
\r
2237 * 176,194,212,177,195,213,178,196,214,179,197,215,180,198,216,181,
\r
2238 * 199,217,182,200,218,183,201,219,184,202,220,185,203,221,222,248,
\r
2239 * 274,223,249,275,224,250,276,225,251,277,226,252,278,227,253,279,
\r
2240 * 228,254,280,229,255,281,230,256,282,231,257,283,232,258,284,233,
\r
2241 * 259,285,234,260,286,235,261,287,236,262,288,237,263,289,238,264,
\r
2242 * 290,239,265,291,240,266,292,241,267,293,242,268,294,243,269,295,
\r
2243 * 244,270,296,245,271,297,246,272,298,247,273,299,300,332,364,301,
\r
2244 * 333,365,302,334,366,303,335,367,304,336,368,305,337,369,306,338,
\r
2245 * 370,307,339,371,308,340,372,309,341,373,310,342,374,311,343,375,
\r
2246 * 312,344,376,313,345,377,314,346,378,315,347,379,316,348,380,317,
\r
2247 * 349,381,318,350,382,319,351,383,320,352,384,321,353,385,322,354,
\r
2248 * 386,323,355,387,324,356,388,325,357,389,326,358,390,327,359,391,
\r
2249 * 328,360,392,329,361,393,330,362,394,331,363,395,396,438,480,397,
\r
2250 * 439,481,398,440,482,399,441,483,400,442,484,401,443,485,402,444,
\r
2251 * 486,403,445,487,404,446,488,405,447,489,406,448,490,407,449,491,
\r
2252 * 408,450,492,409,451,493,410,452,494,411,453,495,412,454,496,413,
\r
2253 * 455,497,414,456,498,415,457,499,416,458,500,417,459,501,418,460,
\r
2254 * 502,419,461,503,420,462,504,421,463,505,422,464,506,423,465,507,
\r
2255 * 424,466,508,425,467,509,426,468,510,427,469,511,428,470,512,429,
\r
2256 * 471,513,430,472,514,431,473,515,432,474,516,433,475,517,434,476,
\r
2257 * 518,435,477,519,436,478,520,437,479,521,522,540,558,523,541,559,
\r
2258 * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,
\r
2259 * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,
\r
2260 * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,
\r
2261 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
\r
2262 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,
\r
2263 * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,
\r
2264 * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,
\r
2265 * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,
\r
2266 * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,
\r
2267 * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,
\r
2268 * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,
\r
2269 * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,
\r
2270 * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,
\r
2271 * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,
\r
2272 * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,
\r
2273 * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,
\r
2274 * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,
\r
2275 * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,
\r
2276 * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,
\r
2277 * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,
\r
2278 * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,
\r
2279 * 285,309,262,286,310,263,287,311,312,344,376,313,345,377,314,346,
\r
2280 * 378,315,347,379,316,348,380,317,349,381,318,350,382,319,351,383,
\r
2281 * 320,352,384,321,353,385,322,354,386,323,355,387,324,356,388,325,
\r
2282 * 357,389,326,358,390,327,359,391,328,360,392,329,361,393,330,362,
\r
2283 * 394,331,363,395,332,364,396,333,365,397,334,366,398,335,367,399,
\r
2284 * 336,368,400,337,369,401,338,370,402,339,371,403,340,372,404,341,
\r
2285 * 373,405,342,374,406,343,375,407,408,452,496,409,453,497,410,454,
\r
2286 * 498,411,455,499,412,456,500,413,457,501,414,458,502,415,459,503,
\r
2287 * 416,460,504,417,461,505,418,462,506,419,463,507,420,464,508,421,
\r
2288 * 465,509,422,466,510,423,467,511,424,468,512,425,469,513,426,470,
\r
2289 * 514,427,471,515,428,472,516,429,473,517,430,474,518,431,475,519,
\r
2290 * 432,476,520,433,477,521,434,478,522,435,479,523,436,480,524,437,
\r
2291 * 481,525,438,482,526,439,483,527,440,484,528,441,485,529,442,486,
\r
2292 * 530,443,487,531,444,488,532,445,489,533,446,490,534,447,491,535,
\r
2293 * 448,492,536,449,493,537,450,494,538,451,495,539,540,552,564,541,
\r
2294 * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,
\r
2295 * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575}, { 0, 4,
\r
2296 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
\r
2297 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,
\r
2298 * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,
\r
2299 * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,
\r
2300 * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,
\r
2301 * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,
\r
2302 * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,
\r
2303 * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,
\r
2304 * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,
\r
2305 * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,
\r
2306 * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,
\r
2307 * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,
\r
2308 * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,
\r
2309 * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,
\r
2310 * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,
\r
2311 * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,
\r
2312 * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,
\r
2313 * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,
\r
2314 * 285,309,262,286,310,263,287,311,312,342,372,313,343,373,314,344,
\r
2315 * 374,315,345,375,316,346,376,317,347,377,318,348,378,319,349,379,
\r
2316 * 320,350,380,321,351,381,322,352,382,323,353,383,324,354,384,325,
\r
2317 * 355,385,326,356,386,327,357,387,328,358,388,329,359,389,330,360,
\r
2318 * 390,331,361,391,332,362,392,333,363,393,334,364,394,335,365,395,
\r
2319 * 336,366,396,337,367,397,338,368,398,339,369,399,340,370,400,341,
\r
2320 * 371,401,402,442,482,403,443,483,404,444,484,405,445,485,406,446,
\r
2321 * 486,407,447,487,408,448,488,409,449,489,410,450,490,411,451,491,
\r
2322 * 412,452,492,413,453,493,414,454,494,415,455,495,416,456,496,417,
\r
2323 * 457,497,418,458,498,419,459,499,420,460,500,421,461,501,422,462,
\r
2324 * 502,423,463,503,424,464,504,425,465,505,426,466,506,427,467,507,
\r
2325 * 428,468,508,429,469,509,430,470,510,431,471,511,432,472,512,433,
\r
2326 * 473,513,434,474,514,435,475,515,436,476,516,437,477,517,438,478,
\r
2327 * 518,439,479,519,440,480,520,441,481,521,522,540,558,523,541,559,
\r
2328 * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,
\r
2329 * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,
\r
2330 * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,
\r
2331 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
\r
2332 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
\r
2333 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
\r
2334 * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,
\r
2335 * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,100,110, 91,101,111, 92,102,112,
\r
2336 * 93,103,113, 94,104,114, 95,105,115, 96,106,116, 97, 107,117, 98,108,118,
\r
2337 * 99,109,119,120,132,144,121,133,145,122,134,
\r
2338 * 146,123,135,147,124,136,148,125,137,149,126,138,150,127,139,151,
\r
2339 * 128,140,152,129,141,153,130,142,154,131,143,155,156,170,184,157,
\r
2340 * 171,185,158,172,186,159,173,187,160,174,188,161,175,189,162,176,
\r
2341 * 190,163,177,191,164,178,192,165,179,193,166,180,194,167,181,195,
\r
2342 * 168,182,196,169,183,197,198,216,234,199,217,235,200,218,236,201,
\r
2343 * 219,237,202,220,238,203,221,239,204,222,240,205,223,241,206,224,
\r
2344 * 242,207,225,243,208,226,244,209,227,245,210,228,246,211,229,247,
\r
2345 * 212,230,248,213,231,249,214,232,250,215,233,251,252,274,296,253,
\r
2346 * 275,297,254,276,298,255,277,299,256,278,300,257,279,301,258,280,
\r
2347 * 302,259,281,303,260,282,304,261,283,305,262,284,306,263,285,307,
\r
2348 * 264,286,308,265,287,309,266,288,310,267,289,311,268,290,312,269,
\r
2349 * 291,313,270,292,314,271,293,315,272,294,316,273,295,317,318,348,
\r
2350 * 378,319,349,379,320,350,380,321,351,381,322,352,382,323,353,383,
\r
2351 * 324,354,384,325,355,385,326,356,386,327,357,387,328,358,388,329,
\r
2352 * 359,389,330,360,390,331,361,391,332,362,392,333,363,393,334,364,
\r
2353 * 394,335,365,395,336,366,396,337,367,397,338,368,398,339,369,399,
\r
2354 * 340,370,400,341,371,401,342,372,402,343,373,403,344,374,404,345,
\r
2355 * 375,405,346,376,406,347,377,407,408,464,520,409,465,521,410,466,
\r
2356 * 522,411,467,523,412,468,524,413,469,525,414,470,526,415,471,527,
\r
2357 * 416,472,528,417,473,529,418,474,530,419,475,531,420,476,532,421,
\r
2358 * 477,533,422,478,534,423,479,535,424,480,536,425,481,537,426,482,
\r
2359 * 538,427,483,539,428,484,540,429,485,541,430,486,542,431,487,543,
\r
2360 * 432,488,544,433,489,545,434,490,546,435,491,547,436,492,548,437,
\r
2361 * 493,549,438,494,550,439,495,551,440,496,552,441,497,553,442,498,
\r
2362 * 554,443,499,555,444,500,556,445,501,557,446,502,558,447,503,559,
\r
2363 * 448,504,560,449,505,561,450,506,562,451,507,563,452,508,564,453,
\r
2364 * 509,565,454,510,566,455,511,567,456,512,568,457,513,569,458,514,
\r
2365 * 570,459,515,571,460,516,572,461,517,573,462,518,574,463,519,575}, { 0, 4,
\r
2366 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
\r
2367 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
\r
2368 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
\r
2369 * 58, 64, 53, 59, 65, 66, 72, 78, 67, 73, 79, 68, 74, 80, 69, 75, 81, 70, 76,
\r
2370 * 82, 71, 77, 83, 84, 94,104, 85, 95,105, 86, 96,106, 87, 97,107, 88, 98,108,
\r
2371 * 89, 99,109, 90,100,110, 91,101,111, 92,102,112, 93,
\r
2372 * 103,113,114,126,138,115,127,139,116,128,140,117,129,141,118,130,
\r
2373 * 142,119,131,143,120,132,144,121,133,145,122,134,146,123,135,147,
\r
2374 * 124,136,148,125,137,149,150,164,178,151,165,179,152,166,180,153,
\r
2375 * 167,181,154,168,182,155,169,183,156,170,184,157,171,185,158,172,
\r
2376 * 186,159,173,187,160,174,188,161,175,189,162,176,190,163,177,191,
\r
2377 * 192,208,224,193,209,225,194,210,226,195,211,227,196,212,228,197,
\r
2378 * 213,229,198,214,230,199,215,231,200,216,232,201,217,233,202,218,
\r
2379 * 234,203,219,235,204,220,236,205,221,237,206,222,238,207,223,239,
\r
2380 * 240,260,280,241,261,281,242,262,282,243,263,283,244,264,284,245,
\r
2381 * 265,285,246,266,286,247,267,287,248,268,288,249,269,289,250,270,
\r
2382 * 290,251,271,291,252,272,292,253,273,293,254,274,294,255,275,295,
\r
2383 * 256,276,296,257,277,297,258,278,298,259,279,299,300,326,352,301,
\r
2384 * 327,353,302,328,354,303,329,355,304,330,356,305,331,357,306,332,
\r
2385 * 358,307,333,359,308,334,360,309,335,361,310,336,362,311,337,363,
\r
2386 * 312,338,364,313,339,365,314,340,366,315,341,367,316,342,368,317,
\r
2387 * 343,369,318,344,370,319,345,371,320,346,372,321,347,373,322,348,
\r
2388 * 374,323,349,375,324,350,376,325,351,377,378,444,510,379,445,511,
\r
2389 * 380,446,512,381,447,513,382,448,514,383,449,515,384,450,516,385,
\r
2390 * 451,517,386,452,518,387,453,519,388,454,520,389,455,521,390,456,
\r
2391 * 522,391,457,523,392,458,524,393,459,525,394,460,526,395,461,527,
\r
2392 * 396,462,528,397,463,529,398,464,530,399,465,531,400,466,532,401,
\r
2393 * 467,533,402,468,534,403,469,535,404,470,536,405,471,537,406,472,
\r
2394 * 538,407,473,539,408,474,540,409,475,541,410,476,542,411,477,543,
\r
2395 * 412,478,544,413,479,545,414,480,546,415,481,547,416,482,548,417,
\r
2396 * 483,549,418,484,550,419,485,551,420,486,552,421,487,553,422,488,
\r
2397 * 554,423,489,555,424,490,556,425,491,557,426,492,558,427,493,559,
\r
2398 * 428,494,560,429,495,561,430,496,562,431,497,563,432,498,564,433,
\r
2399 * 499,565,434,500,566,435,501,567,436,502,568,437,503,569,438,504,
\r
2400 * 570,439,505,571,440,506,572,441,507,573,442,508,574,443,509,575}, { 0, 4,
\r
2401 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
\r
2402 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
\r
2403 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
\r
2404 * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,
\r
2405 * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,102,114, 91,103,115, 92,104,116,
\r
2406 * 93,105,117, 94,106,118, 95,107,119, 96,108,120, 97, 109,121, 98,110,122,
\r
2407 * 99,111,123,100,112,124,101,113,125,126,142,
\r
2408 * 158,127,143,159,128,144,160,129,145,161,130,146,162,131,147,163,
\r
2409 * 132,148,164,133,149,165,134,150,166,135,151,167,136,152,168,137,
\r
2410 * 153,169,138,154,170,139,155,171,140,156,172,141,157,173,174,194,
\r
2411 * 214,175,195,215,176,196,216,177,197,217,178,198,218,179,199,219,
\r
2412 * 180,200,220,181,201,221,182,202,222,183,203,223,184,204,224,185,
\r
2413 * 205,225,186,206,226,187,207,227,188,208,228,189,209,229,190,210,
\r
2414 * 230,191,211,231,192,212,232,193,213,233,234,260,286,235,261,287,
\r
2415 * 236,262,288,237,263,289,238,264,290,239,265,291,240,266,292,241,
\r
2416 * 267,293,242,268,294,243,269,295,244,270,296,245,271,297,246,272,
\r
2417 * 298,247,273,299,248,274,300,249,275,301,250,276,302,251,277,303,
\r
2418 * 252,278,304,253,279,305,254,280,306,255,281,307,256,282,308,257,
\r
2419 * 283,309,258,284,310,259,285,311,312,346,380,313,347,381,314,348,
\r
2420 * 382,315,349,383,316,350,384,317,351,385,318,352,386,319,353,387,
\r
2421 * 320,354,388,321,355,389,322,356,390,323,357,391,324,358,392,325,
\r
2422 * 359,393,326,360,394,327,361,395,328,362,396,329,363,397,330,364,
\r
2423 * 398,331,365,399,332,366,400,333,367,401,334,368,402,335,369,403,
\r
2424 * 336,370,404,337,371,405,338,372,406,339,373,407,340,374,408,341,
\r
2425 * 375,409,342,376,410,343,377,411,344,378,412,345,379,413,414,456,
\r
2426 * 498,415,457,499,416,458,500,417,459,501,418,460,502,419,461,503,
\r
2427 * 420,462,504,421,463,505,422,464,506,423,465,507,424,466,508,425,
\r
2428 * 467,509,426,468,510,427,469,511,428,470,512,429,471,513,430,472,
\r
2429 * 514,431,473,515,432,474,516,433,475,517,434,476,518,435,477,519,
\r
2430 * 436,478,520,437,479,521,438,480,522,439,481,523,440,482,524,441,
\r
2431 * 483,525,442,484,526,443,485,527,444,486,528,445,487,529,446,488,
\r
2432 * 530,447,489,531,448,490,532,449,491,533,450,492,534,451,493,535,
\r
2433 * 452,494,536,453,495,537,454,496,538,455,497,539,540,552,564,541,
\r
2434 * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,
\r
2435 * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575} };
\r
2438 @LOC("F") private static final float cs[] = { 0.857492925712f, 0.881741997318f, 0.949628649103f,
\r
2439 0.983314592492f, 0.995517816065f, 0.999160558175f, 0.999899195243f, 0.999993155067f };
\r
2441 @LOC("F") private static final float ca[] = { -0.5144957554270f, -0.4717319685650f, -0.3133774542040f,
\r
2442 -0.1819131996110f, -0.0945741925262f, -0.0409655828852f, -0.0141985685725f,
\r
2443 -0.00369997467375f };
\r
2445 /************************************************************/
\r
2446 /* END OF L3TABLE */
\r
2447 /************************************************************/
\r
2449 /************************************************************/
\r
2451 /************************************************************/
\r
2453 /***************************************************************/
\r
2454 /* END OF L3TYPE */
\r
2455 /***************************************************************/
\r
2457 /***************************************************************/
\r
2459 /***************************************************************/
\r
2460 @LOC("F") public static final float win[][] = {
\r
2461 { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,
\r
2462 -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,
\r
2463 -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,
\r
2464 -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,
\r
2465 -4.0715656898E-01f, -3.6969460527E-01f, -3.3876269197E-01f, -3.1242222492E-01f,
\r
2466 -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,
\r
2467 -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,
\r
2468 -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,
\r
2469 -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f },
\r
2471 { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,
\r
2472 -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,
\r
2473 -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,
\r
2474 -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,
\r
2475 -4.0715656898E-01f, -3.6969460527E-01f, -3.3908542600E-01f, -3.1511810350E-01f,
\r
2476 -2.9642226150E-01f, -2.8184548650E-01f, -5.4119610000E-01f, -2.6213228100E-01f,
\r
2477 -2.5387916537E-01f, -2.3296291359E-01f, -1.9852728987E-01f, -1.5233534808E-01f,
\r
2478 -9.6496400054E-02f, -3.3423828516E-02f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2479 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },
\r
2481 { -4.8300800645E-02f, -1.5715656932E-01f, -2.8325045177E-01f, -4.2953747763E-01f,
\r
2482 -1.2071067795E+00f, -8.2426483178E-01f, -1.1451749106E+00f, -1.7695290101E+00f,
\r
2483 -4.5470225061E+00f, -3.4890531002E+00f, -7.3296292804E-01f, -1.5076514758E-01f,
\r
2484 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2485 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2486 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2487 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2488 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2489 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },
\r
2491 { 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
\r
2492 0.0000000000E+00f, 0.0000000000E+00f, -1.5076513660E-01f, -7.3296291107E-01f,
\r
2493 -3.4890530566E+00f, -4.5470224727E+00f, -1.7695290031E+00f, -1.1451749092E+00f,
\r
2494 -8.3137738100E-01f, -1.3065629650E+00f, -5.4142014250E-01f, -4.6528974900E-01f,
\r
2495 -4.1066990750E-01f, -3.7004680800E-01f, -3.3876269197E-01f, -3.1242222492E-01f,
\r
2496 -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,
\r
2497 -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,
\r
2498 -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,
\r
2499 -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f } };
\r
2501 /***************************************************************/
\r
2502 /* END OF INV_MDCT */
\r
2503 /***************************************************************/
\r
2509 public Sftable() {
\r
2514 public Sftable(int[] thel, int[] thes) {
\r
2520 @LOC("F") public Sftable sftable;
\r
2522 @LOC("F") public static final int nr_of_sfb_block[][][] = {
\r
2523 { { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } },
\r
2524 { { 6, 5, 7, 3 }, { 9, 9, 12, 6 }, { 6, 9, 12, 6 } },
\r
2525 { { 11, 10, 0, 0 }, { 18, 18, 0, 0 }, { 15, 18, 0, 0 } },
\r
2526 { { 7, 7, 7, 0 }, { 12, 12, 12, 0 }, { 6, 15, 12, 0 } },
\r
2527 { { 6, 6, 6, 3 }, { 12, 9, 9, 6 }, { 6, 12, 9, 6 } },
\r
2528 { { 8, 8, 5, 0 }, { 15, 12, 9, 0 }, { 6, 18, 9, 0 } } };
\r
projects / IRC.git / blob