+/*\r
+ * 11/19/04 1.0 moved to LGPL.\r
+ * \r
+ * 18/06/01 Michael Scheerer, Fixed bugs which causes\r
+ * negative indexes in method huffmann_decode and in method \r
+ * dequanisize_sample.\r
+ *\r
+ * 16/07/01 Michael Scheerer, Catched a bug in method\r
+ * huffmann_decode, which causes an outOfIndexException.\r
+ * Cause : Indexnumber of 24 at SfBandIndex,\r
+ * which has only a length of 22. I have simply and dirty \r
+ * fixed the index to <= 22, because I'm not really be able\r
+ * to fix the bug. The Indexnumber is taken from the MP3 \r
+ * file and the origin Ma-Player with the same code works \r
+ * well. \r
+ * \r
+ * 02/19/99 Java Conversion by E.B, javalayer@javazoom.net\r
+ *-----------------------------------------------------------------------\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU Library General Public License as published\r
+ * by the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU Library General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU Library General Public\r
+ * License along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\r
+ *----------------------------------------------------------------------\r
+ */\r
+\r
+package javazoom.jl.decoder;\r
+\r
+/**\r
+ * Class Implementing Layer 3 Decoder.\r
+ * \r
+ * @since 0.0\r
+ */\r
+final class LayerIIIDecoder implements FrameDecoder {\r
+ final double d43 = (4.0 / 3.0);\r
+\r
+ public int[] scalefac_buffer;\r
+\r
+ // MDM: removed, as this wasn't being used.\r
+ // private float CheckSumOut1d = 0.0f;\r
+ private int CheckSumHuff = 0;\r
+ private int[] is_1d;\r
+ private float[][][] ro;\r
+ private float[][][] lr;\r
+ private float[] out_1d;\r
+ private float[][] prevblck;\r
+ private float[][] k;\r
+ private int[] nonzero;\r
+ private Bitstream stream;\r
+ @HEADER private Header header;\r
+ private SynthesisFilter filter1, filter2;\r
+ private Obuffer buffer;\r
+ private int which_channels;\r
+ private BitReserve br;\r
+ private III_side_info_t si;\r
+\r
+ private temporaire2[] III_scalefac_t;\r
+ private temporaire2[] scalefac;\r
+ // private III_scalefac_t scalefac;\r
+\r
+ private int max_gr;\r
+ private int frame_start;\r
+ private int part2_start;\r
+ private int channels;\r
+ private int first_channel;\r
+ private int last_channel;\r
+ private int sfreq;\r
+\r
+ /**\r
+ * Constructor.\r
+ */\r
+ // REVIEW: these constructor arguments should be moved to the\r
+ // decodeFrame() method, where possible, so that one\r
+ public LayerIIIDecoder(Bitstream stream0, Header header0, SynthesisFilter filtera,\r
+ SynthesisFilter filterb, Obuffer buffer0, int which_ch0) {\r
+ huffcodetab.inithuff();\r
+ is_1d = new int[SBLIMIT * SSLIMIT + 4];\r
+ ro = new float[2][SBLIMIT][SSLIMIT];\r
+ lr = new float[2][SBLIMIT][SSLIMIT];\r
+ out_1d = new float[SBLIMIT * SSLIMIT];\r
+ prevblck = new float[2][SBLIMIT * SSLIMIT];\r
+ k = new float[2][SBLIMIT * SSLIMIT];\r
+ nonzero = new int[2];\r
+\r
+ // III_scalefact_t\r
+ III_scalefac_t = new temporaire2[2];\r
+ III_scalefac_t[0] = new temporaire2();\r
+ III_scalefac_t[1] = new temporaire2();\r
+ scalefac = III_scalefac_t;\r
+ // L3TABLE INIT\r
+\r
+ sfBandIndex = new SBI[9]; // SZD: MPEG2.5 +3 indices\r
+ int[] l0 =\r
+ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,\r
+ 464, 522, 576 };\r
+ int[] s0 = { 0, 4, 8, 12, 18, 24, 32, 42, 56, 74, 100, 132, 174, 192 };\r
+ int[] l1 =\r
+ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232, 278, 330, 394,\r
+ 464, 540, 576 };\r
+ int[] s1 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 136, 180, 192 };\r
+ int[] l2 =\r
+ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,\r
+ 464, 522, 576 };\r
+ int[] s2 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };\r
+\r
+ int[] l3 =\r
+ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196, 238, 288, 342,\r
+ 418, 576 };\r
+ int[] s3 = { 0, 4, 8, 12, 16, 22, 30, 40, 52, 66, 84, 106, 136, 192 };\r
+ int[] l4 =\r
+ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190, 230, 276, 330,\r
+ 384, 576 };\r
+ int[] s4 = { 0, 4, 8, 12, 16, 22, 28, 38, 50, 64, 80, 100, 126, 192 };\r
+ int[] l5 =\r
+ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240, 296, 364, 448,\r
+ 550, 576 };\r
+ int[] s5 = { 0, 4, 8, 12, 16, 22, 30, 42, 58, 78, 104, 138, 180, 192 };\r
+ // SZD: MPEG2.5\r
+ int[] l6 =\r
+ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,\r
+ 464, 522, 576 };\r
+ int[] s6 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };\r
+ int[] l7 =\r
+ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,\r
+ 464, 522, 576 };\r
+ int[] s7 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };\r
+ int[] l8 =\r
+ { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400, 476, 566, 568,\r
+ 570, 572, 574, 576 };\r
+ int[] s8 = { 0, 8, 16, 24, 36, 52, 72, 96, 124, 160, 162, 164, 166, 192 };\r
+\r
+ sfBandIndex[0] = new SBI(l0, s0);\r
+ sfBandIndex[1] = new SBI(l1, s1);\r
+ sfBandIndex[2] = new SBI(l2, s2);\r
+\r
+ sfBandIndex[3] = new SBI(l3, s3);\r
+ sfBandIndex[4] = new SBI(l4, s4);\r
+ sfBandIndex[5] = new SBI(l5, s5);\r
+ // SZD: MPEG2.5\r
+ sfBandIndex[6] = new SBI(l6, s6);\r
+ sfBandIndex[7] = new SBI(l7, s7);\r
+ sfBandIndex[8] = new SBI(l8, s8);\r
+ // END OF L3TABLE INIT\r
+\r
+ if (reorder_table == null) { // SZD: generate LUT\r
+ reorder_table = new int[9][];\r
+ for (int i = 0; i < 9; i++)\r
+ reorder_table[i] = reorder(sfBandIndex[i].s);\r
+ }\r
+\r
+ // Sftable\r
+ int[] ll0 = { 0, 6, 11, 16, 21 };\r
+ int[] ss0 = { 0, 6, 12 };\r
+ sftable = new Sftable(ll0, ss0);\r
+ // END OF Sftable\r
+\r
+ // scalefac_buffer\r
+ scalefac_buffer = new int[54];\r
+ // END OF scalefac_buffer\r
+\r
+ stream = stream0;\r
+ header = header0;\r
+ filter1 = filtera;\r
+ filter2 = filterb;\r
+ buffer = buffer0;\r
+ which_channels = which_ch0;\r
+\r
+ frame_start = 0;\r
+ channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;\r
+ max_gr = (header.version() == Header.MPEG1) ? 2 : 1;\r
+\r
+ sfreq =\r
+ header.sample_frequency()\r
+ + ((header.version() == Header.MPEG1) ? 3 : (header.version() == Header.MPEG25_LSF) ? 6\r
+ : 0); // SZD\r
+\r
+ if (channels == 2) {\r
+ switch (which_channels) {\r
+ case OutputChannels.LEFT_CHANNEL:\r
+ case OutputChannels.DOWNMIX_CHANNELS:\r
+ first_channel = last_channel = 0;\r
+ break;\r
+\r
+ case OutputChannels.RIGHT_CHANNEL:\r
+ first_channel = last_channel = 1;\r
+ break;\r
+\r
+ case OutputChannels.BOTH_CHANNELS:\r
+ default:\r
+ first_channel = 0;\r
+ last_channel = 1;\r
+ break;\r
+ }\r
+ } else {\r
+ first_channel = last_channel = 0;\r
+ }\r
+\r
+ for (int ch = 0; ch < 2; ch++)\r
+ for (int j = 0; j < 576; j++)\r
+ prevblck[ch][j] = 0.0f;\r
+\r
+ nonzero[0] = nonzero[1] = 576;\r
+\r
+ br = new BitReserve();\r
+ si = new III_side_info_t();\r
+ }\r
+\r
+ /**\r
+ * Notify decoder that a seek is being made.\r
+ */\r
+ public void seek_notify() {\r
+ frame_start = 0;\r
+ for (int ch = 0; ch < 2; ch++)\r
+ for (int j = 0; j < 576; j++)\r
+ prevblck[ch][j] = 0.0f;\r
+ br = new BitReserve();\r
+ }\r
+\r
+ public void decodeFrame() {\r
+ decode();\r
+ }\r
+\r
+ /**\r
+ * Decode one frame, filling the buffer with the output samples.\r
+ */\r
+\r
+ // subband samples are buffered and passed to the\r
+ // SynthesisFilter in one go.\r
+ private float[] samples1 = new float[32];\r
+ private float[] samples2 = new float[32];\r
+\r
+ /* location hierarchy of decode()\r
+{header} {stream} {si}\r
+{br, flush_main, main_data_end,frame_start,nSlots,bytes_to_discard}* \r
+{gr,max_gr} // granule\r
+{ch,channels,first_channel, last_channel, which_channels} // channel\r
+{part2_start} \r
+{sb18, ss}\r
+{out_1d}*\r
+{sb}*\r
+{samples1,sample2} {filter1,filter2}\r
+ */\r
+ public void decode() {\r
+ int nSlots = header.slots();\r
+ int flush_main;\r
+ int gr, ch, ss, sb, sb18;\r
+ int main_data_end;\r
+ int bytes_to_discard;\r
+ int i;\r
+\r
+ get_side_info();\r
+\r
+ for (i = 0; i < nSlots; i++)\r
+ br.hputbuf(stream.get_bits(8)); // br < stream\r
+\r
+ // br < main_data_end\r
+ main_data_end = br.hsstell() >>> 3; // of previous frame \r
+ \r
+\r
+ if ((flush_main = (br.hsstell() & 7)) != 0) { // flush_main < br\r
+ br.hgetbits(8 - flush_main); // br < flush_main\r
+ main_data_end++; // main_data_end*\r
+ }\r
+\r
+ // bytes_to_discard < GLB(frame_start,main_data_end,si)\r
+ // TODO does bytes_to_discard need to go back to si??? \r
+ bytes_to_discard = frame_start - main_data_end - si.main_data_begin;\r
+\r
+ // frame_start should be *\r
+ frame_start += nSlots;\r
+\r
+ if (bytes_to_discard < 0)\r
+ return;\r
+\r
+ if (main_data_end > 4096) { // main_data_end should be > than 'frame_start' and 'br'\r
+ frame_start -= 4096;\r
+ br.rewindNbytes(4096);\r
+ }\r
+\r
+ for (; bytes_to_discard > 0; bytes_to_discard--) // bytes_to_discard > br\r
+ br.hgetbits(8);\r
+ \r
+ // here 'gr' and 'max_gr' should be higher than 'ch','channels', and more\r
+ for (gr = 0; gr < max_gr; gr++) { \r
+ // in the loop body, access set={part2_start} \r
+ \r
+ // 'ch', 'channels' should be higher than all locs in the below body\r
+ for (ch = 0; ch < channels; ch++) { \r
+ part2_start = br.hsstell(); // part2_start < br\r
+\r
+ if (header.version() == Header.MPEG1)\r
+ get_scale_factors(ch, gr); // no need to care from this side\r
+ else\r
+ // MPEG-2 LSF, SZD: MPEG-2.5 LSF\r
+ get_LSF_scale_factors(ch, gr); // no need to care from this side\r
+\r
+ huffman_decode(ch, gr); // no need to care from this side\r
+ // System.out.println("CheckSum HuffMan = " + CheckSumHuff);\r
+ dequantize_sample(ro[ch], ch, gr); // no need to care from this side\r
+ }\r
+\r
+ stereo(gr); // no need to care from this side\r
+\r
+ if ((which_channels == OutputChannels.DOWNMIX_CHANNELS) && (channels > 1))\r
+ do_downmix();\r
+\r
+ for (ch = first_channel; ch <= last_channel; ch++) { // 'ch' and 'first_channel' > the body\r
+\r
+ // in the body\r
+ // read set= lr,ch,gr,out_1d, sb18, ss, SSLIMIT, out_1d\r
+ // write set= out_1d\r
+ \r
+ reorder(lr[ch], ch, gr); \r
+ antialias(ch, gr);\r
+ // for (int hb = 0;hb<576;hb++) CheckSumOut1d = CheckSumOut1d +\r
+ // out_1d[hb];\r
+ // System.out.println("CheckSumOut1d = "+CheckSumOut1d);\r
+\r
+ hybrid(ch, gr);\r
+\r
+ // for (int hb = 0;hb<576;hb++) CheckSumOut1d = CheckSumOut1d +\r
+ // out_1d[hb];\r
+ // System.out.println("CheckSumOut1d = "+CheckSumOut1d);\r
+\r
+ for (sb18 = 18; sb18 < 576; sb18 += 36) // sb18 > ss, SSLIMIT, out1d\r
+ // Frequency inversion\r
+ for (ss = 1; ss < SSLIMIT; ss += 2) // 'ss','SSLIMIT' > out_1d\r
+ out_1d[sb18 + ss] = -out_1d[sb18 + ss]; // out1d*\r
+\r
+ // 'ch', 'which_channels' should be higher than if/else body!\r
+ // location set written by if/else body \r
+ // = {samples1, samples2, filter1, filter2} \r
+ if ((ch == 0) || (which_channels == OutputChannels.RIGHT_CHANNEL)) {\r
+ for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis\r
+ sb = 0;\r
+ for (sb18 = 0; sb18 < 576; sb18 += 18) {\r
+ samples1[sb] = out_1d[sb18 + ss]; // out_1d > samples1\r
+ // filter1.input_sample(out_1d[sb18+ss], sb);\r
+ sb++; // sb should be loc*\r
+ }\r
+ filter1.input_samples(samples1);\r
+ filter1.calculate_pcm_samples(buffer);\r
+ }\r
+ } else {\r
+ for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis\r
+ sb = 0;\r
+ for (sb18 = 0; sb18 < 576; sb18 += 18) {\r
+ samples2[sb] = out_1d[sb18 + ss]; // out_1d > samples2\r
+ // filter2.input_sample(out_1d[sb18+ss], sb);\r
+ sb++;\r
+ }\r
+ filter2.input_samples(samples2);\r
+ filter2.calculate_pcm_samples(buffer);\r
+ }\r
+\r
+ }\r
+ } // channels\r
+ } // granule\r
+\r
+ // System.out.println("Counter = ................................."+counter);\r
+ // if (counter < 609)\r
+ // {\r
+ counter++; // count should be loc*\r
+ buffer.write_buffer(1); // buffer!!!\r
+ // }\r
+ // else if (counter == 609)\r
+ // {\r
+ // buffer.close();\r
+ // counter++;\r
+ // }\r
+ // else\r
+ // {\r
+ // }\r
+\r
+ }\r
+\r
+ /**\r
+ * Reads the side info from the stream, assuming the entire. frame has been\r
+ * read already. Mono : 136 bits (= 17 bytes) Stereo : 256 bits (= 32 bytes)\r
+ */\r
+ private boolean get_side_info() {\r
+ int ch, gr;\r
+ if (header.version() == Header.MPEG1) {\r
+\r
+ si.main_data_begin = stream.get_bits(9);\r
+ if (channels == 1)\r
+ si.private_bits = stream.get_bits(5);\r
+ else\r
+ si.private_bits = stream.get_bits(3);\r
+\r
+ for (ch = 0; ch < channels; ch++) {\r
+ si.ch[ch].scfsi[0] = stream.get_bits(1);\r
+ si.ch[ch].scfsi[1] = stream.get_bits(1);\r
+ si.ch[ch].scfsi[2] = stream.get_bits(1);\r
+ si.ch[ch].scfsi[3] = stream.get_bits(1);\r
+ }\r
+\r
+ for (gr = 0; gr < 2; gr++) {\r
+ for (ch = 0; ch < channels; ch++) {\r
+ si.ch[ch].gr[gr].part2_3_length = stream.get_bits(12);\r
+ si.ch[ch].gr[gr].big_values = stream.get_bits(9);\r
+ si.ch[ch].gr[gr].global_gain = stream.get_bits(8);\r
+ si.ch[ch].gr[gr].scalefac_compress = stream.get_bits(4);\r
+ si.ch[ch].gr[gr].window_switching_flag = stream.get_bits(1);\r
+ if ((si.ch[ch].gr[gr].window_switching_flag) != 0) {\r
+ si.ch[ch].gr[gr].block_type = stream.get_bits(2);\r
+ si.ch[ch].gr[gr].mixed_block_flag = stream.get_bits(1);\r
+\r
+ si.ch[ch].gr[gr].table_select[0] = stream.get_bits(5);\r
+ si.ch[ch].gr[gr].table_select[1] = stream.get_bits(5);\r
+\r
+ si.ch[ch].gr[gr].subblock_gain[0] = stream.get_bits(3);\r
+ si.ch[ch].gr[gr].subblock_gain[1] = stream.get_bits(3);\r
+ si.ch[ch].gr[gr].subblock_gain[2] = stream.get_bits(3);\r
+\r
+ // Set region_count parameters since they are implicit in this case.\r
+\r
+ if (si.ch[ch].gr[gr].block_type == 0) {\r
+ // Side info bad: block_type == 0 in split block\r
+ return false;\r
+ } else if (si.ch[ch].gr[gr].block_type == 2 && si.ch[ch].gr[gr].mixed_block_flag == 0) {\r
+ si.ch[ch].gr[gr].region0_count = 8;\r
+ } else {\r
+ si.ch[ch].gr[gr].region0_count = 7;\r
+ }\r
+ si.ch[ch].gr[gr].region1_count = 20 - si.ch[ch].gr[gr].region0_count;\r
+ } else {\r
+ si.ch[ch].gr[gr].table_select[0] = stream.get_bits(5);\r
+ si.ch[ch].gr[gr].table_select[1] = stream.get_bits(5);\r
+ si.ch[ch].gr[gr].table_select[2] = stream.get_bits(5);\r
+ si.ch[ch].gr[gr].region0_count = stream.get_bits(4);\r
+ si.ch[ch].gr[gr].region1_count = stream.get_bits(3);\r
+ si.ch[ch].gr[gr].block_type = 0;\r
+ }\r
+ si.ch[ch].gr[gr].preflag = stream.get_bits(1);\r
+ si.ch[ch].gr[gr].scalefac_scale = stream.get_bits(1);\r
+ si.ch[ch].gr[gr].count1table_select = stream.get_bits(1);\r
+ }\r
+ }\r
+\r
+ } else { // MPEG-2 LSF, SZD: MPEG-2.5 LSF\r
+\r
+ si.main_data_begin = stream.get_bits(8);\r
+ if (channels == 1)\r
+ si.private_bits = stream.get_bits(1);\r
+ else\r
+ si.private_bits = stream.get_bits(2);\r
+\r
+ for (ch = 0; ch < channels; ch++) {\r
+\r
+ si.ch[ch].gr[0].part2_3_length = stream.get_bits(12);\r
+ si.ch[ch].gr[0].big_values = stream.get_bits(9);\r
+ si.ch[ch].gr[0].global_gain = stream.get_bits(8);\r
+ si.ch[ch].gr[0].scalefac_compress = stream.get_bits(9);\r
+ si.ch[ch].gr[0].window_switching_flag = stream.get_bits(1);\r
+\r
+ if ((si.ch[ch].gr[0].window_switching_flag) != 0) {\r
+\r
+ si.ch[ch].gr[0].block_type = stream.get_bits(2);\r
+ si.ch[ch].gr[0].mixed_block_flag = stream.get_bits(1);\r
+ si.ch[ch].gr[0].table_select[0] = stream.get_bits(5);\r
+ si.ch[ch].gr[0].table_select[1] = stream.get_bits(5);\r
+\r
+ si.ch[ch].gr[0].subblock_gain[0] = stream.get_bits(3);\r
+ si.ch[ch].gr[0].subblock_gain[1] = stream.get_bits(3);\r
+ si.ch[ch].gr[0].subblock_gain[2] = stream.get_bits(3);\r
+\r
+ // Set region_count parameters since they are implicit in this case.\r
+\r
+ if (si.ch[ch].gr[0].block_type == 0) {\r
+ // Side info bad: block_type == 0 in split block\r
+ return false;\r
+ } else if (si.ch[ch].gr[0].block_type == 2 && si.ch[ch].gr[0].mixed_block_flag == 0) {\r
+ si.ch[ch].gr[0].region0_count = 8;\r
+ } else {\r
+ si.ch[ch].gr[0].region0_count = 7;\r
+ si.ch[ch].gr[0].region1_count = 20 - si.ch[ch].gr[0].region0_count;\r
+ }\r
+\r
+ } else {\r
+ si.ch[ch].gr[0].table_select[0] = stream.get_bits(5);\r
+ si.ch[ch].gr[0].table_select[1] = stream.get_bits(5);\r
+ si.ch[ch].gr[0].table_select[2] = stream.get_bits(5);\r
+ si.ch[ch].gr[0].region0_count = stream.get_bits(4);\r
+ si.ch[ch].gr[0].region1_count = stream.get_bits(3);\r
+ si.ch[ch].gr[0].block_type = 0;\r
+ }\r
+\r
+ si.ch[ch].gr[0].scalefac_scale = stream.get_bits(1);\r
+ si.ch[ch].gr[0].count1table_select = stream.get_bits(1);\r
+ } // for(ch=0; ch<channels; ch++)\r
+ } // if (header.version() == MPEG1)\r
+ return true;\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void get_scale_factors(int ch, int gr) {\r
+ int sfb, window;\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+ int scale_comp = gr_info.scalefac_compress;\r
+ int length0 = slen[0][scale_comp];\r
+ int length1 = slen[1][scale_comp];\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+ if ((gr_info.mixed_block_flag) != 0) { // MIXED\r
+ for (sfb = 0; sfb < 8; sfb++)\r
+ scalefac[ch].l[sfb] = br.hgetbits(slen[0][gr_info.scalefac_compress]);\r
+ for (sfb = 3; sfb < 6; sfb++)\r
+ for (window = 0; window < 3; window++)\r
+ scalefac[ch].s[window][sfb] = br.hgetbits(slen[0][gr_info.scalefac_compress]);\r
+ for (sfb = 6; sfb < 12; sfb++)\r
+ for (window = 0; window < 3; window++)\r
+ scalefac[ch].s[window][sfb] = br.hgetbits(slen[1][gr_info.scalefac_compress]);\r
+ for (sfb = 12, window = 0; window < 3; window++)\r
+ scalefac[ch].s[window][sfb] = 0;\r
+\r
+ } else { // SHORT\r
+\r
+ scalefac[ch].s[0][0] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][0] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][0] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][1] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][1] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][1] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][2] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][2] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][2] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][3] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][3] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][3] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][4] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][4] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][4] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][5] = br.hgetbits(length0);\r
+ scalefac[ch].s[1][5] = br.hgetbits(length0);\r
+ scalefac[ch].s[2][5] = br.hgetbits(length0);\r
+ scalefac[ch].s[0][6] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][6] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][6] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][7] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][7] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][7] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][8] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][8] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][8] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][9] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][9] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][9] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][10] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][10] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][10] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][11] = br.hgetbits(length1);\r
+ scalefac[ch].s[1][11] = br.hgetbits(length1);\r
+ scalefac[ch].s[2][11] = br.hgetbits(length1);\r
+ scalefac[ch].s[0][12] = 0;\r
+ scalefac[ch].s[1][12] = 0;\r
+ scalefac[ch].s[2][12] = 0;\r
+ } // SHORT\r
+\r
+ } else { // LONG types 0,1,3\r
+\r
+ if ((si.ch[ch].scfsi[0] == 0) || (gr == 0)) {\r
+ scalefac[ch].l[0] = br.hgetbits(length0);\r
+ scalefac[ch].l[1] = br.hgetbits(length0);\r
+ scalefac[ch].l[2] = br.hgetbits(length0);\r
+ scalefac[ch].l[3] = br.hgetbits(length0);\r
+ scalefac[ch].l[4] = br.hgetbits(length0);\r
+ scalefac[ch].l[5] = br.hgetbits(length0);\r
+ }\r
+ if ((si.ch[ch].scfsi[1] == 0) || (gr == 0)) {\r
+ scalefac[ch].l[6] = br.hgetbits(length0);\r
+ scalefac[ch].l[7] = br.hgetbits(length0);\r
+ scalefac[ch].l[8] = br.hgetbits(length0);\r
+ scalefac[ch].l[9] = br.hgetbits(length0);\r
+ scalefac[ch].l[10] = br.hgetbits(length0);\r
+ }\r
+ if ((si.ch[ch].scfsi[2] == 0) || (gr == 0)) {\r
+ scalefac[ch].l[11] = br.hgetbits(length1);\r
+ scalefac[ch].l[12] = br.hgetbits(length1);\r
+ scalefac[ch].l[13] = br.hgetbits(length1);\r
+ scalefac[ch].l[14] = br.hgetbits(length1);\r
+ scalefac[ch].l[15] = br.hgetbits(length1);\r
+ }\r
+ if ((si.ch[ch].scfsi[3] == 0) || (gr == 0)) {\r
+ scalefac[ch].l[16] = br.hgetbits(length1);\r
+ scalefac[ch].l[17] = br.hgetbits(length1);\r
+ scalefac[ch].l[18] = br.hgetbits(length1);\r
+ scalefac[ch].l[19] = br.hgetbits(length1);\r
+ scalefac[ch].l[20] = br.hgetbits(length1);\r
+ }\r
+\r
+ scalefac[ch].l[21] = 0;\r
+ scalefac[ch].l[22] = 0;\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ // MDM: new_slen is fully initialized before use, no need\r
+ // to reallocate array.\r
+ private final int[] new_slen = new int[4];\r
+\r
+ private void get_LSF_scale_data(int ch, int gr) {\r
+\r
+ int scalefac_comp, int_scalefac_comp;\r
+ int mode_ext = header.mode_extension();\r
+ int m;\r
+ int blocktypenumber;\r
+ int blocknumber = 0;\r
+\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+\r
+ scalefac_comp = gr_info.scalefac_compress;\r
+\r
+ if (gr_info.block_type == 2) {\r
+ if (gr_info.mixed_block_flag == 0)\r
+ blocktypenumber = 1;\r
+ else if (gr_info.mixed_block_flag == 1)\r
+ blocktypenumber = 2;\r
+ else\r
+ blocktypenumber = 0;\r
+ } else {\r
+ blocktypenumber = 0;\r
+ }\r
+\r
+ if (!(((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {\r
+\r
+ if (scalefac_comp < 400) {\r
+\r
+ new_slen[0] = (scalefac_comp >>> 4) / 5;\r
+ new_slen[1] = (scalefac_comp >>> 4) % 5;\r
+ new_slen[2] = (scalefac_comp & 0xF) >>> 2;\r
+ new_slen[3] = (scalefac_comp & 3);\r
+ si.ch[ch].gr[gr].preflag = 0;\r
+ blocknumber = 0;\r
+\r
+ } else if (scalefac_comp < 500) {\r
+\r
+ new_slen[0] = ((scalefac_comp - 400) >>> 2) / 5;\r
+ new_slen[1] = ((scalefac_comp - 400) >>> 2) % 5;\r
+ new_slen[2] = (scalefac_comp - 400) & 3;\r
+ new_slen[3] = 0;\r
+ si.ch[ch].gr[gr].preflag = 0;\r
+ blocknumber = 1;\r
+\r
+ } else if (scalefac_comp < 512) {\r
+\r
+ new_slen[0] = (scalefac_comp - 500) / 3;\r
+ new_slen[1] = (scalefac_comp - 500) % 3;\r
+ new_slen[2] = 0;\r
+ new_slen[3] = 0;\r
+ si.ch[ch].gr[gr].preflag = 1;\r
+ blocknumber = 2;\r
+ }\r
+ }\r
+\r
+ if ((((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {\r
+ int_scalefac_comp = scalefac_comp >>> 1;\r
+\r
+ if (int_scalefac_comp < 180) {\r
+ new_slen[0] = int_scalefac_comp / 36;\r
+ new_slen[1] = (int_scalefac_comp % 36) / 6;\r
+ new_slen[2] = (int_scalefac_comp % 36) % 6;\r
+ new_slen[3] = 0;\r
+ si.ch[ch].gr[gr].preflag = 0;\r
+ blocknumber = 3;\r
+ } else if (int_scalefac_comp < 244) {\r
+ new_slen[0] = ((int_scalefac_comp - 180) & 0x3F) >>> 4;\r
+ new_slen[1] = ((int_scalefac_comp - 180) & 0xF) >>> 2;\r
+ new_slen[2] = (int_scalefac_comp - 180) & 3;\r
+ new_slen[3] = 0;\r
+ si.ch[ch].gr[gr].preflag = 0;\r
+ blocknumber = 4;\r
+ } else if (int_scalefac_comp < 255) {\r
+ new_slen[0] = (int_scalefac_comp - 244) / 3;\r
+ new_slen[1] = (int_scalefac_comp - 244) % 3;\r
+ new_slen[2] = 0;\r
+ new_slen[3] = 0;\r
+ si.ch[ch].gr[gr].preflag = 0;\r
+ blocknumber = 5;\r
+ }\r
+ }\r
+\r
+ for (int x = 0; x < 45; x++)\r
+ // why 45, not 54?\r
+ scalefac_buffer[x] = 0;\r
+\r
+ m = 0;\r
+ for (int i = 0; i < 4; i++) {\r
+ for (int j = 0; j < nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) {\r
+ scalefac_buffer[m] = (new_slen[i] == 0) ? 0 : br.hgetbits(new_slen[i]);\r
+ m++;\r
+\r
+ } // for (unint32 j ...\r
+ } // for (uint32 i ...\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void get_LSF_scale_factors(int ch, int gr) {\r
+ int m = 0;\r
+ int sfb, window;\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+\r
+ get_LSF_scale_data(ch, gr);\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+ if (gr_info.mixed_block_flag != 0) { // MIXED\r
+ for (sfb = 0; sfb < 8; sfb++) {\r
+ scalefac[ch].l[sfb] = scalefac_buffer[m];\r
+ m++;\r
+ }\r
+ for (sfb = 3; sfb < 12; sfb++) {\r
+ for (window = 0; window < 3; window++) {\r
+ scalefac[ch].s[window][sfb] = scalefac_buffer[m];\r
+ m++;\r
+ }\r
+ }\r
+ for (window = 0; window < 3; window++)\r
+ scalefac[ch].s[window][12] = 0;\r
+\r
+ } else { // SHORT\r
+\r
+ for (sfb = 0; sfb < 12; sfb++) {\r
+ for (window = 0; window < 3; window++) {\r
+ scalefac[ch].s[window][sfb] = scalefac_buffer[m];\r
+ m++;\r
+ }\r
+ }\r
+\r
+ for (window = 0; window < 3; window++)\r
+ scalefac[ch].s[window][12] = 0;\r
+ }\r
+ } else { // LONG types 0,1,3\r
+\r
+ for (sfb = 0; sfb < 21; sfb++) {\r
+ scalefac[ch].l[sfb] = scalefac_buffer[m];\r
+ m++;\r
+ }\r
+ scalefac[ch].l[21] = 0; // Jeff\r
+ scalefac[ch].l[22] = 0;\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ int[] x = { 0 };\r
+ int[] y = { 0 };\r
+ int[] v = { 0 };\r
+ int[] w = { 0 };\r
+\r
+ private void huffman_decode(int ch, int gr) {\r
+ x[0] = 0;\r
+ y[0] = 0;\r
+ v[0] = 0;\r
+ w[0] = 0;\r
+\r
+ int part2_3_end = part2_start + si.ch[ch].gr[gr].part2_3_length;\r
+ int num_bits;\r
+ int region1Start;\r
+ int region2Start;\r
+ int index;\r
+\r
+ int buf, buf1;\r
+\r
+ huffcodetab h;\r
+\r
+ // Find region boundary for short block case\r
+\r
+ if (((si.ch[ch].gr[gr].window_switching_flag) != 0) && (si.ch[ch].gr[gr].block_type == 2)) {\r
+\r
+ // Region2.\r
+ // MS: Extrahandling for 8KHZ\r
+ region1Start = (sfreq == 8) ? 72 : 36; // sfb[9/3]*3=36 or in case 8KHZ =\r
+ // 72\r
+ region2Start = 576; // No Region2 for short block case\r
+\r
+ } else { // Find region boundary for long block case\r
+\r
+ buf = si.ch[ch].gr[gr].region0_count + 1;\r
+ buf1 = buf + si.ch[ch].gr[gr].region1_count + 1;\r
+\r
+ if (buf1 > sfBandIndex[sfreq].l.length - 1)\r
+ buf1 = sfBandIndex[sfreq].l.length - 1;\r
+\r
+ region1Start = sfBandIndex[sfreq].l[buf];\r
+ region2Start = sfBandIndex[sfreq].l[buf1]; /* MI */\r
+ }\r
+\r
+ index = 0;\r
+ // Read bigvalues area\r
+ for (int i = 0; i < (si.ch[ch].gr[gr].big_values << 1); i += 2) {\r
+ if (i < region1Start)\r
+ h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];\r
+ else if (i < region2Start)\r
+ h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[1]];\r
+ else\r
+ h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[2]];\r
+\r
+ huffcodetab.huffman_decoder(h, x, y, v, w, br);\r
+ // if (index >= is_1d.length)\r
+ // System.out.println("i0="+i+"/"+(si.ch[ch].gr[gr].big_values<<1)+" Index="+index+" is_1d="+is_1d.length);\r
+\r
+ is_1d[index++] = x[0];\r
+ is_1d[index++] = y[0];\r
+\r
+ CheckSumHuff = CheckSumHuff + x[0] + y[0];\r
+ // System.out.println("x = "+x[0]+" y = "+y[0]);\r
+ }\r
+\r
+ // Read count1 area\r
+ h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];\r
+ num_bits = br.hsstell();\r
+\r
+ while ((num_bits < part2_3_end) && (index < 576)) {\r
+\r
+ huffcodetab.huffman_decoder(h, x, y, v, w, br);\r
+\r
+ is_1d[index++] = v[0];\r
+ is_1d[index++] = w[0];\r
+ is_1d[index++] = x[0];\r
+ is_1d[index++] = y[0];\r
+ CheckSumHuff = CheckSumHuff + v[0] + w[0] + x[0] + y[0];\r
+ // System.out.println("v = "+v[0]+" w = "+w[0]);\r
+ // System.out.println("x = "+x[0]+" y = "+y[0]);\r
+ num_bits = br.hsstell();\r
+ }\r
+\r
+ if (num_bits > part2_3_end) {\r
+ br.rewindNbits(num_bits - part2_3_end);\r
+ index -= 4;\r
+ }\r
+\r
+ num_bits = br.hsstell();\r
+\r
+ // Dismiss stuffing bits\r
+ if (num_bits < part2_3_end)\r
+ br.hgetbits(part2_3_end - num_bits);\r
+\r
+ // Zero out rest\r
+\r
+ if (index < 576)\r
+ nonzero[ch] = index;\r
+ else\r
+ nonzero[ch] = 576;\r
+\r
+ if (index < 0)\r
+ index = 0;\r
+\r
+ // may not be necessary\r
+ for (; index < 576; index++)\r
+ is_1d[index] = 0;\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void i_stereo_k_values(int is_pos, int io_type, int i) {\r
+ if (is_pos == 0) {\r
+ k[0][i] = 1.0f;\r
+ k[1][i] = 1.0f;\r
+ } else if ((is_pos & 1) != 0) {\r
+ k[0][i] = io[io_type][(is_pos + 1) >>> 1];\r
+ k[1][i] = 1.0f;\r
+ } else {\r
+ k[0][i] = 1.0f;\r
+ k[1][i] = io[io_type][is_pos >>> 1];\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void dequantize_sample(float xr[][], int ch, int gr) {\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+ int cb = 0;\r
+ int next_cb_boundary;\r
+ int cb_begin = 0;\r
+ int cb_width = 0;\r
+ int index = 0, t_index, j;\r
+ float g_gain;\r
+ float[][] xr_1d = xr;\r
+\r
+ // choose correct scalefactor band per block type, initalize boundary\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+ if (gr_info.mixed_block_flag != 0)\r
+ next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3\r
+ else {\r
+ cb_width = sfBandIndex[sfreq].s[1];\r
+ next_cb_boundary = (cb_width << 2) - cb_width;\r
+ cb_begin = 0;\r
+ }\r
+ } else {\r
+ next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3\r
+ }\r
+\r
+ // Compute overall (global) scaling.\r
+\r
+ g_gain = (float) Math.pow(2.0, (0.25 * (gr_info.global_gain - 210.0)));\r
+\r
+ for (j = 0; j < nonzero[ch]; j++) {\r
+ // Modif E.B 02/22/99\r
+ int reste = j % SSLIMIT;\r
+ int quotien = (int) ((j - reste) / SSLIMIT);\r
+ if (is_1d[j] == 0)\r
+ xr_1d[quotien][reste] = 0.0f;\r
+ else {\r
+ int abv = is_1d[j];\r
+ // Pow Array fix (11/17/04)\r
+ if (abv < t_43.length) {\r
+ if (is_1d[j] > 0)\r
+ xr_1d[quotien][reste] = g_gain * t_43[abv];\r
+ else {\r
+ if (-abv < t_43.length)\r
+ xr_1d[quotien][reste] = -g_gain * t_43[-abv];\r
+ else\r
+ xr_1d[quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);\r
+ }\r
+ } else {\r
+ if (is_1d[j] > 0)\r
+ xr_1d[quotien][reste] = g_gain * (float) Math.pow(abv, d43);\r
+ else\r
+ xr_1d[quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);\r
+ }\r
+ }\r
+ }\r
+\r
+ // apply formula per block type\r
+ for (j = 0; j < nonzero[ch]; j++) {\r
+ // Modif E.B 02/22/99\r
+ int reste = j % SSLIMIT;\r
+ int quotien = (int) ((j - reste) / SSLIMIT);\r
+\r
+ if (index == next_cb_boundary) { /* Adjust critical band boundary */\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+ if (gr_info.mixed_block_flag != 0) {\r
+\r
+ if (index == sfBandIndex[sfreq].l[8]) {\r
+ next_cb_boundary = sfBandIndex[sfreq].s[4];\r
+ next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;\r
+ cb = 3;\r
+ cb_width = sfBandIndex[sfreq].s[4] - sfBandIndex[sfreq].s[3];\r
+\r
+ cb_begin = sfBandIndex[sfreq].s[3];\r
+ cb_begin = (cb_begin << 2) - cb_begin;\r
+\r
+ } else if (index < sfBandIndex[sfreq].l[8]) {\r
+\r
+ next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];\r
+\r
+ } else {\r
+\r
+ next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];\r
+ next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;\r
+\r
+ cb_begin = sfBandIndex[sfreq].s[cb];\r
+ cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;\r
+ cb_begin = (cb_begin << 2) - cb_begin;\r
+ }\r
+\r
+ } else {\r
+\r
+ next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];\r
+ next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;\r
+\r
+ cb_begin = sfBandIndex[sfreq].s[cb];\r
+ cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;\r
+ cb_begin = (cb_begin << 2) - cb_begin;\r
+ }\r
+\r
+ } else { // long blocks\r
+\r
+ next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];\r
+\r
+ }\r
+ }\r
+\r
+ // Do long/short dependent scaling operations\r
+\r
+ if ((gr_info.window_switching_flag != 0)\r
+ && (((gr_info.block_type == 2) && (gr_info.mixed_block_flag == 0)) || ((gr_info.block_type == 2)\r
+ && (gr_info.mixed_block_flag != 0) && (j >= 36)))) {\r
+\r
+ t_index = (index - cb_begin) / cb_width;\r
+ /*\r
+ * xr[sb][ss] *= pow(2.0, ((-2.0 * gr_info.subblock_gain[t_index]) -(0.5\r
+ * * (1.0 + gr_info.scalefac_scale) scalefac[ch].s[t_index][cb])));\r
+ */\r
+ int idx = scalefac[ch].s[t_index][cb] << gr_info.scalefac_scale;\r
+ idx += (gr_info.subblock_gain[t_index] << 2);\r
+\r
+ xr_1d[quotien][reste] *= two_to_negative_half_pow[idx];\r
+\r
+ } else { // LONG block types 0,1,3 & 1st 2 subbands of switched blocks\r
+ /*\r
+ * xr[sb][ss] *= pow(2.0, -0.5 * (1.0+gr_info.scalefac_scale)\r
+ * (scalefac[ch].l[cb] + gr_info.preflag * pretab[cb]));\r
+ */\r
+ int idx = scalefac[ch].l[cb];\r
+\r
+ if (gr_info.preflag != 0)\r
+ idx += pretab[cb];\r
+\r
+ idx = idx << gr_info.scalefac_scale;\r
+ xr_1d[quotien][reste] *= two_to_negative_half_pow[idx];\r
+ }\r
+ index++;\r
+ }\r
+\r
+ for (j = nonzero[ch]; j < 576; j++) {\r
+ // Modif E.B 02/22/99\r
+ int reste = j % SSLIMIT;\r
+ int quotien = (int) ((j - reste) / SSLIMIT);\r
+ if (reste < 0)\r
+ reste = 0;\r
+ if (quotien < 0)\r
+ quotien = 0;\r
+ xr_1d[quotien][reste] = 0.0f;\r
+ }\r
+\r
+ return;\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void reorder(float xr[][], int ch, int gr) {\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+ int freq, freq3;\r
+ int index;\r
+ int sfb, sfb_start, sfb_lines;\r
+ int src_line, des_line;\r
+ float[][] xr_1d = xr;\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+\r
+ for (index = 0; index < 576; index++)\r
+ out_1d[index] = 0.0f;\r
+\r
+ if (gr_info.mixed_block_flag != 0) {\r
+ // NO REORDER FOR LOW 2 SUBBANDS\r
+ for (index = 0; index < 36; index++) {\r
+ // Modif E.B 02/22/99\r
+ int reste = index % SSLIMIT;\r
+ int quotien = (int) ((index - reste) / SSLIMIT);\r
+ out_1d[index] = xr_1d[quotien][reste];\r
+ }\r
+ // REORDERING FOR REST SWITCHED SHORT\r
+ /*\r
+ * for( sfb=3,sfb_start=sfBandIndex[sfreq].s[3],\r
+ * sfb_lines=sfBandIndex[sfreq].s[4] - sfb_start; sfb < 13;\r
+ * sfb++,sfb_start = sfBandIndex[sfreq].s[sfb], sfb_lines =\r
+ * sfBandIndex[sfreq].s[sfb+1] - sfb_start ) {\r
+ */\r
+ for (sfb = 3; sfb < 13; sfb++) {\r
+ // System.out.println("sfreq="+sfreq+" sfb="+sfb+" sfBandIndex="+sfBandIndex.length+" sfBandIndex[sfreq].s="+sfBandIndex[sfreq].s.length);\r
+ sfb_start = sfBandIndex[sfreq].s[sfb];\r
+ sfb_lines = sfBandIndex[sfreq].s[sfb + 1] - sfb_start;\r
+\r
+ int sfb_start3 = (sfb_start << 2) - sfb_start;\r
+\r
+ for (freq = 0, freq3 = 0; freq < sfb_lines; freq++, freq3 += 3) {\r
+\r
+ src_line = sfb_start3 + freq;\r
+ des_line = sfb_start3 + freq3;\r
+ // Modif E.B 02/22/99\r
+ int reste = src_line % SSLIMIT;\r
+ int quotien = (int) ((src_line - reste) / SSLIMIT);\r
+\r
+ out_1d[des_line] = xr_1d[quotien][reste];\r
+ src_line += sfb_lines;\r
+ des_line++;\r
+\r
+ reste = src_line % SSLIMIT;\r
+ quotien = (int) ((src_line - reste) / SSLIMIT);\r
+\r
+ out_1d[des_line] = xr_1d[quotien][reste];\r
+ src_line += sfb_lines;\r
+ des_line++;\r
+\r
+ reste = src_line % SSLIMIT;\r
+ quotien = (int) ((src_line - reste) / SSLIMIT);\r
+\r
+ out_1d[des_line] = xr_1d[quotien][reste];\r
+ }\r
+ }\r
+\r
+ } else { // pure short\r
+ for (index = 0; index < 576; index++) {\r
+ int j = reorder_table[sfreq][index];\r
+ int reste = j % SSLIMIT;\r
+ int quotien = (int) ((j - reste) / SSLIMIT);\r
+ out_1d[index] = xr_1d[quotien][reste];\r
+ }\r
+ }\r
+ } else { // long blocks\r
+ for (index = 0; index < 576; index++) {\r
+ // Modif E.B 02/22/99\r
+ int reste = index % SSLIMIT;\r
+ int quotien = (int) ((index - reste) / SSLIMIT);\r
+ out_1d[index] = xr_1d[quotien][reste];\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+\r
+ int[] is_pos = new int[576];\r
+ float[] is_ratio = new float[576];\r
+\r
+ private void stereo(int gr) {\r
+ int sb, ss;\r
+\r
+ if (channels == 1) { // mono , bypass xr[0][][] to lr[0][][]\r
+\r
+ for (sb = 0; sb < SBLIMIT; sb++)\r
+ for (ss = 0; ss < SSLIMIT; ss += 3) {\r
+ lr[0][sb][ss] = ro[0][sb][ss];\r
+ lr[0][sb][ss + 1] = ro[0][sb][ss + 1];\r
+ lr[0][sb][ss + 2] = ro[0][sb][ss + 2];\r
+ }\r
+\r
+ } else {\r
+\r
+ gr_info_s gr_info = (si.ch[0].gr[gr]);\r
+ int mode_ext = header.mode_extension();\r
+ int sfb;\r
+ int i;\r
+ int lines, temp, temp2;\r
+\r
+ boolean ms_stereo = ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x2) != 0));\r
+ boolean i_stereo = ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x1) != 0));\r
+ boolean lsf =\r
+ ((header.version() == Header.MPEG2_LSF || header.version() == Header.MPEG25_LSF)); // SZD\r
+\r
+ int io_type = (gr_info.scalefac_compress & 1);\r
+\r
+ // initialization\r
+\r
+ for (i = 0; i < 576; i++) {\r
+ is_pos[i] = 7;\r
+\r
+ is_ratio[i] = 0.0f;\r
+ }\r
+\r
+ if (i_stereo) {\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)) {\r
+ if (gr_info.mixed_block_flag != 0) {\r
+\r
+ int max_sfb = 0;\r
+\r
+ for (int j = 0; j < 3; j++) {\r
+ int sfbcnt;\r
+ sfbcnt = 2;\r
+ for (sfb = 12; sfb >= 3; sfb--) {\r
+ i = sfBandIndex[sfreq].s[sfb];\r
+ lines = sfBandIndex[sfreq].s[sfb + 1] - i;\r
+ i = (i << 2) - i + (j + 1) * lines - 1;\r
+\r
+ while (lines > 0) {\r
+ if (ro[1][i / 18][i % 18] != 0.0f) {\r
+ // MDM: in java, array access is very slow.\r
+ // Is quicker to compute div and mod values.\r
+ // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {\r
+ sfbcnt = sfb;\r
+ sfb = -10;\r
+ lines = -10;\r
+ }\r
+\r
+ lines--;\r
+ i--;\r
+\r
+ } // while (lines > 0)\r
+\r
+ } // for (sfb=12 ...\r
+ sfb = sfbcnt + 1;\r
+\r
+ if (sfb > max_sfb)\r
+ max_sfb = sfb;\r
+\r
+ while (sfb < 12) {\r
+ temp = sfBandIndex[sfreq].s[sfb];\r
+ sb = sfBandIndex[sfreq].s[sfb + 1] - temp;\r
+ i = (temp << 2) - temp + j * sb;\r
+\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = scalefac[1].s[j][sfb];\r
+ if (is_pos[i] != 7)\r
+ if (lsf)\r
+ i_stereo_k_values(is_pos[i], io_type, i);\r
+ else\r
+ is_ratio[i] = TAN12[is_pos[i]];\r
+\r
+ i++;\r
+ } // for (; sb>0...\r
+ sfb++;\r
+ } // while (sfb < 12)\r
+ sfb = sfBandIndex[sfreq].s[10];\r
+ sb = sfBandIndex[sfreq].s[11] - sfb;\r
+ sfb = (sfb << 2) - sfb + j * sb;\r
+ temp = sfBandIndex[sfreq].s[11];\r
+ sb = sfBandIndex[sfreq].s[12] - temp;\r
+ i = (temp << 2) - temp + j * sb;\r
+\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = is_pos[sfb];\r
+\r
+ if (lsf) {\r
+ k[0][i] = k[0][sfb];\r
+ k[1][i] = k[1][sfb];\r
+ } else {\r
+ is_ratio[i] = is_ratio[sfb];\r
+ }\r
+ i++;\r
+ } // for (; sb > 0 ...\r
+ }\r
+ if (max_sfb <= 3) {\r
+ i = 2;\r
+ ss = 17;\r
+ sb = -1;\r
+ while (i >= 0) {\r
+ if (ro[1][i][ss] != 0.0f) {\r
+ sb = (i << 4) + (i << 1) + ss;\r
+ i = -1;\r
+ } else {\r
+ ss--;\r
+ if (ss < 0) {\r
+ i--;\r
+ ss = 17;\r
+ }\r
+ } // if (ro ...\r
+ } // while (i>=0)\r
+ i = 0;\r
+ while (sfBandIndex[sfreq].l[i] <= sb)\r
+ i++;\r
+ sfb = i;\r
+ i = sfBandIndex[sfreq].l[i];\r
+ for (; sfb < 8; sfb++) {\r
+ sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = scalefac[1].l[sfb];\r
+ if (is_pos[i] != 7)\r
+ if (lsf)\r
+ i_stereo_k_values(is_pos[i], io_type, i);\r
+ else\r
+ is_ratio[i] = TAN12[is_pos[i]];\r
+ i++;\r
+ } // for (; sb>0 ...\r
+ } // for (; sfb<8 ...\r
+ } // for (j=0 ...\r
+ } else { // if (gr_info.mixed_block_flag)\r
+ for (int j = 0; j < 3; j++) {\r
+ int sfbcnt;\r
+ sfbcnt = -1;\r
+ for (sfb = 12; sfb >= 0; sfb--) {\r
+ temp = sfBandIndex[sfreq].s[sfb];\r
+ lines = sfBandIndex[sfreq].s[sfb + 1] - temp;\r
+ i = (temp << 2) - temp + (j + 1) * lines - 1;\r
+\r
+ while (lines > 0) {\r
+ if (ro[1][i / 18][i % 18] != 0.0f) {\r
+ // MDM: in java, array access is very slow.\r
+ // Is quicker to compute div and mod values.\r
+ // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {\r
+ sfbcnt = sfb;\r
+ sfb = -10;\r
+ lines = -10;\r
+ }\r
+ lines--;\r
+ i--;\r
+ } // while (lines > 0) */\r
+\r
+ } // for (sfb=12 ...\r
+ sfb = sfbcnt + 1;\r
+ while (sfb < 12) {\r
+ temp = sfBandIndex[sfreq].s[sfb];\r
+ sb = sfBandIndex[sfreq].s[sfb + 1] - temp;\r
+ i = (temp << 2) - temp + j * sb;\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = scalefac[1].s[j][sfb];\r
+ if (is_pos[i] != 7)\r
+ if (lsf)\r
+ i_stereo_k_values(is_pos[i], io_type, i);\r
+ else\r
+ is_ratio[i] = TAN12[is_pos[i]];\r
+ i++;\r
+ } // for (; sb>0 ...\r
+ sfb++;\r
+ } // while (sfb<12)\r
+\r
+ temp = sfBandIndex[sfreq].s[10];\r
+ temp2 = sfBandIndex[sfreq].s[11];\r
+ sb = temp2 - temp;\r
+ sfb = (temp << 2) - temp + j * sb;\r
+ sb = sfBandIndex[sfreq].s[12] - temp2;\r
+ i = (temp2 << 2) - temp2 + j * sb;\r
+\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = is_pos[sfb];\r
+\r
+ if (lsf) {\r
+ k[0][i] = k[0][sfb];\r
+ k[1][i] = k[1][sfb];\r
+ } else {\r
+ is_ratio[i] = is_ratio[sfb];\r
+ }\r
+ i++;\r
+ } // for (; sb>0 ...\r
+ } // for (sfb=12\r
+ } // for (j=0 ...\r
+ } else { // if (gr_info.window_switching_flag ...\r
+ i = 31;\r
+ ss = 17;\r
+ sb = 0;\r
+ while (i >= 0) {\r
+ if (ro[1][i][ss] != 0.0f) {\r
+ sb = (i << 4) + (i << 1) + ss;\r
+ i = -1;\r
+ } else {\r
+ ss--;\r
+ if (ss < 0) {\r
+ i--;\r
+ ss = 17;\r
+ }\r
+ }\r
+ }\r
+ i = 0;\r
+ while (sfBandIndex[sfreq].l[i] <= sb)\r
+ i++;\r
+\r
+ sfb = i;\r
+ i = sfBandIndex[sfreq].l[i];\r
+ for (; sfb < 21; sfb++) {\r
+ sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];\r
+ for (; sb > 0; sb--) {\r
+ is_pos[i] = scalefac[1].l[sfb];\r
+ if (is_pos[i] != 7)\r
+ if (lsf)\r
+ i_stereo_k_values(is_pos[i], io_type, i);\r
+ else\r
+ is_ratio[i] = TAN12[is_pos[i]];\r
+ i++;\r
+ }\r
+ }\r
+ sfb = sfBandIndex[sfreq].l[20];\r
+ for (sb = 576 - sfBandIndex[sfreq].l[21]; (sb > 0) && (i < 576); sb--) {\r
+ is_pos[i] = is_pos[sfb]; // error here : i >=576\r
+\r
+ if (lsf) {\r
+ k[0][i] = k[0][sfb];\r
+ k[1][i] = k[1][sfb];\r
+ } else {\r
+ is_ratio[i] = is_ratio[sfb];\r
+ }\r
+ i++;\r
+ } // if (gr_info.mixed_block_flag)\r
+ } // if (gr_info.window_switching_flag ...\r
+ } // if (i_stereo)\r
+\r
+ i = 0;\r
+ for (sb = 0; sb < SBLIMIT; sb++)\r
+ for (ss = 0; ss < SSLIMIT; ss++) {\r
+ if (is_pos[i] == 7) {\r
+ if (ms_stereo) {\r
+ lr[0][sb][ss] = (ro[0][sb][ss] + ro[1][sb][ss]) * 0.707106781f;\r
+ lr[1][sb][ss] = (ro[0][sb][ss] - ro[1][sb][ss]) * 0.707106781f;\r
+ } else {\r
+ lr[0][sb][ss] = ro[0][sb][ss];\r
+ lr[1][sb][ss] = ro[1][sb][ss];\r
+ }\r
+ } else if (i_stereo) {\r
+\r
+ if (lsf) {\r
+ lr[0][sb][ss] = ro[0][sb][ss] * k[0][i];\r
+ lr[1][sb][ss] = ro[0][sb][ss] * k[1][i];\r
+ } else {\r
+ lr[1][sb][ss] = ro[0][sb][ss] / (float) (1 + is_ratio[i]);\r
+ lr[0][sb][ss] = lr[1][sb][ss] * is_ratio[i];\r
+ }\r
+ }\r
+ /*\r
+ * else { System.out.println("Error in stereo processing\n"); }\r
+ */\r
+ i++;\r
+ }\r
+\r
+ } // channels == 2\r
+\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void antialias(int ch, int gr) {\r
+ int sb18, ss, sb18lim;\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+ // 31 alias-reduction operations between each pair of sub-bands\r
+ // with 8 butterflies between each pair\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)\r
+ && !(gr_info.mixed_block_flag != 0))\r
+ return;\r
+\r
+ if ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0)\r
+ && (gr_info.block_type == 2)) {\r
+ sb18lim = 18;\r
+ } else {\r
+ sb18lim = 558;\r
+ }\r
+\r
+ for (sb18 = 0; sb18 < sb18lim; sb18 += 18) {\r
+ for (ss = 0; ss < 8; ss++) {\r
+ int src_idx1 = sb18 + 17 - ss;\r
+ int src_idx2 = sb18 + 18 + ss;\r
+ float bu = out_1d[src_idx1];\r
+ float bd = out_1d[src_idx2];\r
+ out_1d[src_idx1] = (bu * cs[ss]) - (bd * ca[ss]);\r
+ out_1d[src_idx2] = (bd * cs[ss]) + (bu * ca[ss]);\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+\r
+ // MDM: tsOutCopy and rawout do not need initializing, so the arrays\r
+ // can be reused.\r
+ float[] tsOutCopy = new float[18];\r
+ float[] rawout = new float[36];\r
+\r
+ private void hybrid(int ch, int gr) {\r
+ int bt;\r
+ int sb18;\r
+ gr_info_s gr_info = (si.ch[ch].gr[gr]);\r
+ float[] tsOut;\r
+\r
+ float[][] prvblk;\r
+\r
+ for (sb18 = 0; sb18 < 576; sb18 += 18) {\r
+ bt =\r
+ ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0) && (sb18 < 36))\r
+ ? 0 : gr_info.block_type;\r
+\r
+ tsOut = out_1d;\r
+ // Modif E.B 02/22/99\r
+ for (int cc = 0; cc < 18; cc++)\r
+ tsOutCopy[cc] = tsOut[cc + sb18];\r
+\r
+ inv_mdct(tsOutCopy, rawout, bt);\r
+\r
+ for (int cc = 0; cc < 18; cc++)\r
+ tsOut[cc + sb18] = tsOutCopy[cc];\r
+ // Fin Modif\r
+\r
+ // overlap addition\r
+ prvblk = prevblck;\r
+\r
+ tsOut[0 + sb18] = rawout[0] + prvblk[ch][sb18 + 0];\r
+ prvblk[ch][sb18 + 0] = rawout[18];\r
+ tsOut[1 + sb18] = rawout[1] + prvblk[ch][sb18 + 1];\r
+ prvblk[ch][sb18 + 1] = rawout[19];\r
+ tsOut[2 + sb18] = rawout[2] + prvblk[ch][sb18 + 2];\r
+ prvblk[ch][sb18 + 2] = rawout[20];\r
+ tsOut[3 + sb18] = rawout[3] + prvblk[ch][sb18 + 3];\r
+ prvblk[ch][sb18 + 3] = rawout[21];\r
+ tsOut[4 + sb18] = rawout[4] + prvblk[ch][sb18 + 4];\r
+ prvblk[ch][sb18 + 4] = rawout[22];\r
+ tsOut[5 + sb18] = rawout[5] + prvblk[ch][sb18 + 5];\r
+ prvblk[ch][sb18 + 5] = rawout[23];\r
+ tsOut[6 + sb18] = rawout[6] + prvblk[ch][sb18 + 6];\r
+ prvblk[ch][sb18 + 6] = rawout[24];\r
+ tsOut[7 + sb18] = rawout[7] + prvblk[ch][sb18 + 7];\r
+ prvblk[ch][sb18 + 7] = rawout[25];\r
+ tsOut[8 + sb18] = rawout[8] + prvblk[ch][sb18 + 8];\r
+ prvblk[ch][sb18 + 8] = rawout[26];\r
+ tsOut[9 + sb18] = rawout[9] + prvblk[ch][sb18 + 9];\r
+ prvblk[ch][sb18 + 9] = rawout[27];\r
+ tsOut[10 + sb18] = rawout[10] + prvblk[ch][sb18 + 10];\r
+ prvblk[ch][sb18 + 10] = rawout[28];\r
+ tsOut[11 + sb18] = rawout[11] + prvblk[ch][sb18 + 11];\r
+ prvblk[ch][sb18 + 11] = rawout[29];\r
+ tsOut[12 + sb18] = rawout[12] + prvblk[ch][sb18 + 12];\r
+ prvblk[ch][sb18 + 12] = rawout[30];\r
+ tsOut[13 + sb18] = rawout[13] + prvblk[ch][sb18 + 13];\r
+ prvblk[ch][sb18 + 13] = rawout[31];\r
+ tsOut[14 + sb18] = rawout[14] + prvblk[ch][sb18 + 14];\r
+ prvblk[ch][sb18 + 14] = rawout[32];\r
+ tsOut[15 + sb18] = rawout[15] + prvblk[ch][sb18 + 15];\r
+ prvblk[ch][sb18 + 15] = rawout[33];\r
+ tsOut[16 + sb18] = rawout[16] + prvblk[ch][sb18 + 16];\r
+ prvblk[ch][sb18 + 16] = rawout[34];\r
+ tsOut[17 + sb18] = rawout[17] + prvblk[ch][sb18 + 17];\r
+ prvblk[ch][sb18 + 17] = rawout[35];\r
+ }\r
+ }\r
+\r
+ /**\r
+ *\r
+ */\r
+ private void do_downmix() {\r
+ for (int sb = 0; sb < SSLIMIT; sb++) {\r
+ for (int ss = 0; ss < SSLIMIT; ss += 3) {\r
+ lr[0][sb][ss] = (lr[0][sb][ss] + lr[1][sb][ss]) * 0.5f;\r
+ lr[0][sb][ss + 1] = (lr[0][sb][ss + 1] + lr[1][sb][ss + 1]) * 0.5f;\r
+ lr[0][sb][ss + 2] = (lr[0][sb][ss + 2] + lr[1][sb][ss + 2]) * 0.5f;\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Fast INV_MDCT.\r
+ */\r
+\r
+ public void inv_mdct(float[] in, float[] out, int block_type) {\r
+ float[] win_bt;\r
+ int i;\r
+\r
+ float tmpf_0, tmpf_1, tmpf_2, tmpf_3, tmpf_4, tmpf_5, tmpf_6, tmpf_7, tmpf_8, tmpf_9;\r
+ float tmpf_10, tmpf_11, tmpf_12, tmpf_13, tmpf_14, tmpf_15, tmpf_16, tmpf_17;\r
+\r
+ tmpf_0 =\r
+ tmpf_1 =\r
+ tmpf_2 =\r
+ tmpf_3 =\r
+ tmpf_4 =\r
+ tmpf_5 =\r
+ tmpf_6 =\r
+ tmpf_7 =\r
+ tmpf_8 =\r
+ tmpf_9 =\r
+ tmpf_10 =\r
+ tmpf_11 =\r
+ tmpf_12 =\r
+ tmpf_13 =\r
+ tmpf_14 =\r
+ tmpf_15 = tmpf_16 = tmpf_17 = 0.0f;\r
+\r
+ if (block_type == 2) {\r
+\r
+ /*\r
+ * \r
+ * Under MicrosoftVM 2922, This causes a GPF, or At best, an\r
+ * ArrayIndexOutOfBoundsExceptin. for(int p=0;p<36;p+=9) { out[p] =\r
+ * out[p+1] = out[p+2] = out[p+3] = out[p+4] = out[p+5] = out[p+6] =\r
+ * out[p+7] = out[p+8] = 0.0f; }\r
+ */\r
+ out[0] = 0.0f;\r
+ out[1] = 0.0f;\r
+ out[2] = 0.0f;\r
+ out[3] = 0.0f;\r
+ out[4] = 0.0f;\r
+ out[5] = 0.0f;\r
+ out[6] = 0.0f;\r
+ out[7] = 0.0f;\r
+ out[8] = 0.0f;\r
+ out[9] = 0.0f;\r
+ out[10] = 0.0f;\r
+ out[11] = 0.0f;\r
+ out[12] = 0.0f;\r
+ out[13] = 0.0f;\r
+ out[14] = 0.0f;\r
+ out[15] = 0.0f;\r
+ out[16] = 0.0f;\r
+ out[17] = 0.0f;\r
+ out[18] = 0.0f;\r
+ out[19] = 0.0f;\r
+ out[20] = 0.0f;\r
+ out[21] = 0.0f;\r
+ out[22] = 0.0f;\r
+ out[23] = 0.0f;\r
+ out[24] = 0.0f;\r
+ out[25] = 0.0f;\r
+ out[26] = 0.0f;\r
+ out[27] = 0.0f;\r
+ out[28] = 0.0f;\r
+ out[29] = 0.0f;\r
+ out[30] = 0.0f;\r
+ out[31] = 0.0f;\r
+ out[32] = 0.0f;\r
+ out[33] = 0.0f;\r
+ out[34] = 0.0f;\r
+ out[35] = 0.0f;\r
+\r
+ int six_i = 0;\r
+\r
+ for (i = 0; i < 3; i++) {\r
+ // 12 point IMDCT\r
+ // Begin 12 point IDCT\r
+ // Input aliasing for 12 pt IDCT\r
+ in[15 + i] += in[12 + i];\r
+ in[12 + i] += in[9 + i];\r
+ in[9 + i] += in[6 + i];\r
+ in[6 + i] += in[3 + i];\r
+ in[3 + i] += in[0 + i];\r
+\r
+ // Input aliasing on odd indices (for 6 point IDCT)\r
+ in[15 + i] += in[9 + i];\r
+ in[9 + i] += in[3 + i];\r
+\r
+ // 3 point IDCT on even indices\r
+ float pp1, pp2, sum;\r
+ pp2 = in[12 + i] * 0.500000000f;\r
+ pp1 = in[6 + i] * 0.866025403f;\r
+ sum = in[0 + i] + pp2;\r
+ tmpf_1 = in[0 + i] - in[12 + i];\r
+ tmpf_0 = sum + pp1;\r
+ tmpf_2 = sum - pp1;\r
+\r
+ // End 3 point IDCT on even indices\r
+ // 3 point IDCT on odd indices (for 6 point IDCT)\r
+ pp2 = in[15 + i] * 0.500000000f;\r
+ pp1 = in[9 + i] * 0.866025403f;\r
+ sum = in[3 + i] + pp2;\r
+ tmpf_4 = in[3 + i] - in[15 + i];\r
+ tmpf_5 = sum + pp1;\r
+ tmpf_3 = sum - pp1;\r
+ // End 3 point IDCT on odd indices\r
+ // Twiddle factors on odd indices (for 6 point IDCT)\r
+\r
+ tmpf_3 *= 1.931851653f;\r
+ tmpf_4 *= 0.707106781f;\r
+ tmpf_5 *= 0.517638090f;\r
+\r
+ // Output butterflies on 2 3 point IDCT's (for 6 point IDCT)\r
+ float save = tmpf_0;\r
+ tmpf_0 += tmpf_5;\r
+ tmpf_5 = save - tmpf_5;\r
+ save = tmpf_1;\r
+ tmpf_1 += tmpf_4;\r
+ tmpf_4 = save - tmpf_4;\r
+ save = tmpf_2;\r
+ tmpf_2 += tmpf_3;\r
+ tmpf_3 = save - tmpf_3;\r
+\r
+ // End 6 point IDCT\r
+ // Twiddle factors on indices (for 12 point IDCT)\r
+\r
+ tmpf_0 *= 0.504314480f;\r
+ tmpf_1 *= 0.541196100f;\r
+ tmpf_2 *= 0.630236207f;\r
+ tmpf_3 *= 0.821339815f;\r
+ tmpf_4 *= 1.306562965f;\r
+ tmpf_5 *= 3.830648788f;\r
+\r
+ // End 12 point IDCT\r
+\r
+ // Shift to 12 point modified IDCT, multiply by window type 2\r
+ tmpf_8 = -tmpf_0 * 0.793353340f;\r
+ tmpf_9 = -tmpf_0 * 0.608761429f;\r
+ tmpf_7 = -tmpf_1 * 0.923879532f;\r
+ tmpf_10 = -tmpf_1 * 0.382683432f;\r
+ tmpf_6 = -tmpf_2 * 0.991444861f;\r
+ tmpf_11 = -tmpf_2 * 0.130526192f;\r
+\r
+ tmpf_0 = tmpf_3;\r
+ tmpf_1 = tmpf_4 * 0.382683432f;\r
+ tmpf_2 = tmpf_5 * 0.608761429f;\r
+\r
+ tmpf_3 = -tmpf_5 * 0.793353340f;\r
+ tmpf_4 = -tmpf_4 * 0.923879532f;\r
+ tmpf_5 = -tmpf_0 * 0.991444861f;\r
+\r
+ tmpf_0 *= 0.130526192f;\r
+\r
+ out[six_i + 6] += tmpf_0;\r
+ out[six_i + 7] += tmpf_1;\r
+ out[six_i + 8] += tmpf_2;\r
+ out[six_i + 9] += tmpf_3;\r
+ out[six_i + 10] += tmpf_4;\r
+ out[six_i + 11] += tmpf_5;\r
+ out[six_i + 12] += tmpf_6;\r
+ out[six_i + 13] += tmpf_7;\r
+ out[six_i + 14] += tmpf_8;\r
+ out[six_i + 15] += tmpf_9;\r
+ out[six_i + 16] += tmpf_10;\r
+ out[six_i + 17] += tmpf_11;\r
+\r
+ six_i += 6;\r
+ }\r
+ } else {\r
+ // 36 point IDCT\r
+ // input aliasing for 36 point IDCT\r
+ in[17] += in[16];\r
+ in[16] += in[15];\r
+ in[15] += in[14];\r
+ in[14] += in[13];\r
+ in[13] += in[12];\r
+ in[12] += in[11];\r
+ in[11] += in[10];\r
+ in[10] += in[9];\r
+ in[9] += in[8];\r
+ in[8] += in[7];\r
+ in[7] += in[6];\r
+ in[6] += in[5];\r
+ in[5] += in[4];\r
+ in[4] += in[3];\r
+ in[3] += in[2];\r
+ in[2] += in[1];\r
+ in[1] += in[0];\r
+\r
+ // 18 point IDCT for odd indices\r
+ // input aliasing for 18 point IDCT\r
+ in[17] += in[15];\r
+ in[15] += in[13];\r
+ in[13] += in[11];\r
+ in[11] += in[9];\r
+ in[9] += in[7];\r
+ in[7] += in[5];\r
+ in[5] += in[3];\r
+ in[3] += in[1];\r
+\r
+ float tmp0, tmp1, tmp2, tmp3, tmp4, tmp0_, tmp1_, tmp2_, tmp3_;\r
+ float tmp0o, tmp1o, tmp2o, tmp3o, tmp4o, tmp0_o, tmp1_o, tmp2_o, tmp3_o;\r
+\r
+ // Fast 9 Point Inverse Discrete Cosine Transform\r
+ //\r
+ // By Francois-Raymond Boyer\r
+ // mailto:boyerf@iro.umontreal.ca\r
+ // http://www.iro.umontreal.ca/~boyerf\r
+ //\r
+ // The code has been optimized for Intel processors\r
+ // (takes a lot of time to convert float to and from iternal FPU\r
+ // representation)\r
+ //\r
+ // It is a simple "factorization" of the IDCT matrix.\r
+\r
+ // 9 point IDCT on even indices\r
+\r
+ // 5 points on odd indices (not realy an IDCT)\r
+ float i00 = in[0] + in[0];\r
+ float iip12 = i00 + in[12];\r
+\r
+ tmp0 =\r
+ iip12 + in[4] * 1.8793852415718f + in[8] * 1.532088886238f + in[16] * 0.34729635533386f;\r
+ tmp1 = i00 + in[4] - in[8] - in[12] - in[12] - in[16];\r
+ tmp2 =\r
+ iip12 - in[4] * 0.34729635533386f - in[8] * 1.8793852415718f + in[16] * 1.532088886238f;\r
+ tmp3 =\r
+ iip12 - in[4] * 1.532088886238f + in[8] * 0.34729635533386f - in[16] * 1.8793852415718f;\r
+ tmp4 = in[0] - in[4] + in[8] - in[12] + in[16];\r
+\r
+ // 4 points on even indices\r
+ float i66_ = in[6] * 1.732050808f; // Sqrt[3]\r
+\r
+ tmp0_ =\r
+ in[2] * 1.9696155060244f + i66_ + in[10] * 1.2855752193731f + in[14] * 0.68404028665134f;\r
+ tmp1_ = (in[2] - in[10] - in[14]) * 1.732050808f;\r
+ tmp2_ =\r
+ in[2] * 1.2855752193731f - i66_ - in[10] * 0.68404028665134f + in[14] * 1.9696155060244f;\r
+ tmp3_ =\r
+ in[2] * 0.68404028665134f - i66_ + in[10] * 1.9696155060244f - in[14] * 1.2855752193731f;\r
+\r
+ // 9 point IDCT on odd indices\r
+ // 5 points on odd indices (not realy an IDCT)\r
+ float i0 = in[0 + 1] + in[0 + 1];\r
+ float i0p12 = i0 + in[12 + 1];\r
+\r
+ tmp0o =\r
+ i0p12 + in[4 + 1] * 1.8793852415718f + in[8 + 1] * 1.532088886238f + in[16 + 1]\r
+ * 0.34729635533386f;\r
+ tmp1o = i0 + in[4 + 1] - in[8 + 1] - in[12 + 1] - in[12 + 1] - in[16 + 1];\r
+ tmp2o =\r
+ i0p12 - in[4 + 1] * 0.34729635533386f - in[8 + 1] * 1.8793852415718f + in[16 + 1]\r
+ * 1.532088886238f;\r
+ tmp3o =\r
+ i0p12 - in[4 + 1] * 1.532088886238f + in[8 + 1] * 0.34729635533386f - in[16 + 1]\r
+ * 1.8793852415718f;\r
+ tmp4o = (in[0 + 1] - in[4 + 1] + in[8 + 1] - in[12 + 1] + in[16 + 1]) * 0.707106781f; // Twiddled\r
+\r
+ // 4 points on even indices\r
+ float i6_ = in[6 + 1] * 1.732050808f; // Sqrt[3]\r
+\r
+ tmp0_o =\r
+ in[2 + 1] * 1.9696155060244f + i6_ + in[10 + 1] * 1.2855752193731f + in[14 + 1]\r
+ * 0.68404028665134f;\r
+ tmp1_o = (in[2 + 1] - in[10 + 1] - in[14 + 1]) * 1.732050808f;\r
+ tmp2_o =\r
+ in[2 + 1] * 1.2855752193731f - i6_ - in[10 + 1] * 0.68404028665134f + in[14 + 1]\r
+ * 1.9696155060244f;\r
+ tmp3_o =\r
+ in[2 + 1] * 0.68404028665134f - i6_ + in[10 + 1] * 1.9696155060244f - in[14 + 1]\r
+ * 1.2855752193731f;\r
+\r
+ // Twiddle factors on odd indices\r
+ // and\r
+ // Butterflies on 9 point IDCT's\r
+ // and\r
+ // twiddle factors for 36 point IDCT\r
+\r
+ float e, o;\r
+ e = tmp0 + tmp0_;\r
+ o = (tmp0o + tmp0_o) * 0.501909918f;\r
+ tmpf_0 = e + o;\r
+ tmpf_17 = e - o;\r
+ e = tmp1 + tmp1_;\r
+ o = (tmp1o + tmp1_o) * 0.517638090f;\r
+ tmpf_1 = e + o;\r
+ tmpf_16 = e - o;\r
+ e = tmp2 + tmp2_;\r
+ o = (tmp2o + tmp2_o) * 0.551688959f;\r
+ tmpf_2 = e + o;\r
+ tmpf_15 = e - o;\r
+ e = tmp3 + tmp3_;\r
+ o = (tmp3o + tmp3_o) * 0.610387294f;\r
+ tmpf_3 = e + o;\r
+ tmpf_14 = e - o;\r
+ tmpf_4 = tmp4 + tmp4o;\r
+ tmpf_13 = tmp4 - tmp4o;\r
+ e = tmp3 - tmp3_;\r
+ o = (tmp3o - tmp3_o) * 0.871723397f;\r
+ tmpf_5 = e + o;\r
+ tmpf_12 = e - o;\r
+ e = tmp2 - tmp2_;\r
+ o = (tmp2o - tmp2_o) * 1.183100792f;\r
+ tmpf_6 = e + o;\r
+ tmpf_11 = e - o;\r
+ e = tmp1 - tmp1_;\r
+ o = (tmp1o - tmp1_o) * 1.931851653f;\r
+ tmpf_7 = e + o;\r
+ tmpf_10 = e - o;\r
+ e = tmp0 - tmp0_;\r
+ o = (tmp0o - tmp0_o) * 5.736856623f;\r
+ tmpf_8 = e + o;\r
+ tmpf_9 = e - o;\r
+\r
+ // end 36 point IDCT */\r
+ // shift to modified IDCT\r
+ win_bt = win[block_type];\r
+\r
+ out[0] = -tmpf_9 * win_bt[0];\r
+ out[1] = -tmpf_10 * win_bt[1];\r
+ out[2] = -tmpf_11 * win_bt[2];\r
+ out[3] = -tmpf_12 * win_bt[3];\r
+ out[4] = -tmpf_13 * win_bt[4];\r
+ out[5] = -tmpf_14 * win_bt[5];\r
+ out[6] = -tmpf_15 * win_bt[6];\r
+ out[7] = -tmpf_16 * win_bt[7];\r
+ out[8] = -tmpf_17 * win_bt[8];\r
+ out[9] = tmpf_17 * win_bt[9];\r
+ out[10] = tmpf_16 * win_bt[10];\r
+ out[11] = tmpf_15 * win_bt[11];\r
+ out[12] = tmpf_14 * win_bt[12];\r
+ out[13] = tmpf_13 * win_bt[13];\r
+ out[14] = tmpf_12 * win_bt[14];\r
+ out[15] = tmpf_11 * win_bt[15];\r
+ out[16] = tmpf_10 * win_bt[16];\r
+ out[17] = tmpf_9 * win_bt[17];\r
+ out[18] = tmpf_8 * win_bt[18];\r
+ out[19] = tmpf_7 * win_bt[19];\r
+ out[20] = tmpf_6 * win_bt[20];\r
+ out[21] = tmpf_5 * win_bt[21];\r
+ out[22] = tmpf_4 * win_bt[22];\r
+ out[23] = tmpf_3 * win_bt[23];\r
+ out[24] = tmpf_2 * win_bt[24];\r
+ out[25] = tmpf_1 * win_bt[25];\r
+ out[26] = tmpf_0 * win_bt[26];\r
+ out[27] = tmpf_0 * win_bt[27];\r
+ out[28] = tmpf_1 * win_bt[28];\r
+ out[29] = tmpf_2 * win_bt[29];\r
+ out[30] = tmpf_3 * win_bt[30];\r
+ out[31] = tmpf_4 * win_bt[31];\r
+ out[32] = tmpf_5 * win_bt[32];\r
+ out[33] = tmpf_6 * win_bt[33];\r
+ out[34] = tmpf_7 * win_bt[34];\r
+ out[35] = tmpf_8 * win_bt[35];\r
+ }\r
+ }\r
+\r
+ private int counter = 0;\r
+ private static final int SSLIMIT = 18;\r
+ private static final int SBLIMIT = 32;\r
+\r
+ // Size of the table of whole numbers raised to 4/3 power.\r
+ // This may be adjusted for performance without any problems.\r
+ // public static final int POW_TABLE_LIMIT=512;\r
+\r
+ /************************************************************/\r
+ /* L3TABLE */\r
+ /************************************************************/\r
+\r
+ static class SBI {\r
+ public int[] l;\r
+ public int[] s;\r
+\r
+ public SBI() {\r
+ l = new int[23];\r
+ s = new int[14];\r
+ }\r
+\r
+ public SBI(int[] thel, int[] thes) {\r
+ l = thel;\r
+ s = thes;\r
+ }\r
+ }\r
+\r
+ static class gr_info_s {\r
+ public int part2_3_length = 0;\r
+ public int big_values = 0;\r
+ public int global_gain = 0;\r
+ public int scalefac_compress = 0;\r
+ public int window_switching_flag = 0;\r
+ public int block_type = 0;\r
+ public int mixed_block_flag = 0;\r
+ public int[] table_select;\r
+ public int[] subblock_gain;\r
+ public int region0_count = 0;\r
+ public int region1_count = 0;\r
+ public int preflag = 0;\r
+ public int scalefac_scale = 0;\r
+ public int count1table_select = 0;\r
+\r
+ /**\r
+ * Dummy Constructor\r
+ */\r
+ public gr_info_s() {\r
+ table_select = new int[3];\r
+ subblock_gain = new int[3];\r
+ }\r
+ }\r
+\r
+ static class temporaire {\r
+ public int[] scfsi;\r
+ public gr_info_s[] gr;\r
+\r
+ /**\r
+ * Dummy Constructor\r
+ */\r
+ public temporaire() {\r
+ scfsi = new int[4];\r
+ gr = new gr_info_s[2];\r
+ gr[0] = new gr_info_s();\r
+ gr[1] = new gr_info_s();\r
+ }\r
+ }\r
+\r
+ static class III_side_info_t {\r
+\r
+ public int main_data_begin = 0;\r
+ public int private_bits = 0;\r
+ public temporaire[] ch;\r
+\r
+ /**\r
+ * Dummy Constructor\r
+ */\r
+ public III_side_info_t() {\r
+ ch = new temporaire[2];\r
+ ch[0] = new temporaire();\r
+ ch[1] = new temporaire();\r
+ }\r
+ }\r
+\r
+ static class temporaire2 {\r
+ public int[] l; /* [cb] */\r
+ public int[][] s; /* [window][cb] */\r
+\r
+ /**\r
+ * Dummy Constructor\r
+ */\r
+ public temporaire2() {\r
+ l = new int[23];\r
+ s = new int[3][13];\r
+ }\r
+ }\r
+\r
+ // class III_scalefac_t\r
+ // {\r
+ // public temporaire2[] tab;\r
+ // /**\r
+ // * Dummy Constructor\r
+ // */\r
+ // public III_scalefac_t()\r
+ // {\r
+ // tab = new temporaire2[2];\r
+ // }\r
+ // }\r
+\r
+ private static final int slen[][] = { { 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },\r
+ { 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 } };\r
+\r
+ 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
+ 2, 0 };\r
+\r
+ private SBI[] sfBandIndex; // Init in the constructor.\r
+\r
+ public static final float two_to_negative_half_pow[] = { 1.0000000000E+00f, 7.0710678119E-01f,\r
+ 5.0000000000E-01f, 3.5355339059E-01f, 2.5000000000E-01f, 1.7677669530E-01f,\r
+ 1.2500000000E-01f, 8.8388347648E-02f, 6.2500000000E-02f, 4.4194173824E-02f,\r
+ 3.1250000000E-02f, 2.2097086912E-02f, 1.5625000000E-02f, 1.1048543456E-02f,\r
+ 7.8125000000E-03f, 5.5242717280E-03f, 3.9062500000E-03f, 2.7621358640E-03f,\r
+ 1.9531250000E-03f, 1.3810679320E-03f, 9.7656250000E-04f, 6.9053396600E-04f,\r
+ 4.8828125000E-04f, 3.4526698300E-04f, 2.4414062500E-04f, 1.7263349150E-04f,\r
+ 1.2207031250E-04f, 8.6316745750E-05f, 6.1035156250E-05f, 4.3158372875E-05f,\r
+ 3.0517578125E-05f, 2.1579186438E-05f, 1.5258789062E-05f, 1.0789593219E-05f,\r
+ 7.6293945312E-06f, 5.3947966094E-06f, 3.8146972656E-06f, 2.6973983047E-06f,\r
+ 1.9073486328E-06f, 1.3486991523E-06f, 9.5367431641E-07f, 6.7434957617E-07f,\r
+ 4.7683715820E-07f, 3.3717478809E-07f, 2.3841857910E-07f, 1.6858739404E-07f,\r
+ 1.1920928955E-07f, 8.4293697022E-08f, 5.9604644775E-08f, 4.2146848511E-08f,\r
+ 2.9802322388E-08f, 2.1073424255E-08f, 1.4901161194E-08f, 1.0536712128E-08f,\r
+ 7.4505805969E-09f, 5.2683560639E-09f, 3.7252902985E-09f, 2.6341780319E-09f,\r
+ 1.8626451492E-09f, 1.3170890160E-09f, 9.3132257462E-10f, 6.5854450798E-10f,\r
+ 4.6566128731E-10f, 3.2927225399E-10f };\r
+\r
+ public static final float t_43[] = create_t_43();\r
+\r
+ static private float[] create_t_43() {\r
+ float[] t43 = new float[8192];\r
+ final double d43 = (4.0 / 3.0);\r
+\r
+ for (int i = 0; i < 8192; i++) {\r
+ t43[i] = (float) Math.pow(i, d43);\r
+ }\r
+ return t43;\r
+ }\r
+\r
+ public static final float io[][] = {\r
+ { 1.0000000000E+00f, 8.4089641526E-01f, 7.0710678119E-01f, 5.9460355751E-01f,\r
+ 5.0000000001E-01f, 4.2044820763E-01f, 3.5355339060E-01f, 2.9730177876E-01f,\r
+ 2.5000000001E-01f, 2.1022410382E-01f, 1.7677669530E-01f, 1.4865088938E-01f,\r
+ 1.2500000000E-01f, 1.0511205191E-01f, 8.8388347652E-02f, 7.4325444691E-02f,\r
+ 6.2500000003E-02f, 5.2556025956E-02f, 4.4194173826E-02f, 3.7162722346E-02f,\r
+ 3.1250000002E-02f, 2.6278012978E-02f, 2.2097086913E-02f, 1.8581361173E-02f,\r
+ 1.5625000001E-02f, 1.3139006489E-02f, 1.1048543457E-02f, 9.2906805866E-03f,\r
+ 7.8125000006E-03f, 6.5695032447E-03f, 5.5242717285E-03f, 4.6453402934E-03f },\r
+ { 1.0000000000E+00f, 7.0710678119E-01f, 5.0000000000E-01f, 3.5355339060E-01f,\r
+ 2.5000000000E-01f, 1.7677669530E-01f, 1.2500000000E-01f, 8.8388347650E-02f,\r
+ 6.2500000001E-02f, 4.4194173825E-02f, 3.1250000001E-02f, 2.2097086913E-02f,\r
+ 1.5625000000E-02f, 1.1048543456E-02f, 7.8125000002E-03f, 5.5242717282E-03f,\r
+ 3.9062500001E-03f, 2.7621358641E-03f, 1.9531250001E-03f, 1.3810679321E-03f,\r
+ 9.7656250004E-04f, 6.9053396603E-04f, 4.8828125002E-04f, 3.4526698302E-04f,\r
+ 2.4414062501E-04f, 1.7263349151E-04f, 1.2207031251E-04f, 8.6316745755E-05f,\r
+ 6.1035156254E-05f, 4.3158372878E-05f, 3.0517578127E-05f, 2.1579186439E-05f } };\r
+\r
+ public static final float TAN12[] = { 0.0f, 0.26794919f, 0.57735027f, 1.0f, 1.73205081f,\r
+ 3.73205081f, 9.9999999e10f, -3.73205081f, -1.73205081f, -1.0f, -0.57735027f, -0.26794919f,\r
+ 0.0f, 0.26794919f, 0.57735027f, 1.0f };\r
+\r
+ // REVIEW: in java, the array lookup may well be slower than\r
+ // the actual calculation\r
+ // 576 / 18\r
+ /*\r
+ * private static final int ss_div[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r
+ * 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
+ * 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
+ * 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
+ * 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
+ * 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
+ * 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
+ * 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10,\r
+ * 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11,\r
+ * 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,\r
+ * 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13,\r
+ * 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14,\r
+ * 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,\r
+ * 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,\r
+ * 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,\r
+ * 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,\r
+ * 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,\r
+ * 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,\r
+ * 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,\r
+ * 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,\r
+ * 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,\r
+ * 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25,\r
+ * 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26,\r
+ * 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27,\r
+ * 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28,\r
+ * 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29,\r
+ * 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30,\r
+ * 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31,\r
+ * 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31 };\r
+ * \r
+ * // 576 % 18 private static final int ss_mod[] = { 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,\r
+ * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\r
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,\r
+ * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,\r
+ * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\r
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,\r
+ * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,\r
+ * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\r
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,\r
+ * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,\r
+ * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\r
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,\r
+ * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,\r
+ * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,\r
+ * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,\r
+ * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,\r
+ * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,\r
+ * 12, 13, 14, 15, 16, 17 };\r
+ */\r
+ private static/* final */int reorder_table[][]/* = loadReorderTable() */; // SZD:\r
+ // will\r
+ // be\r
+ // generated\r
+ // on\r
+ // demand\r
+\r
+ /**\r
+ * Loads the data for the reorder\r
+ */\r
+ /*\r
+ * private static int[][] loadReorderTable() // SZD: table will be generated {\r
+ * try { Class elemType = int[][].class.getComponentType(); Object o =\r
+ * JavaLayerUtils.deserializeArrayResource("l3reorder.ser", elemType, 6);\r
+ * return (int[][])o; } catch (IOException ex) { throw new\r
+ * ExceptionInInitializerError(ex); } }\r
+ */\r
+\r
+ static int[] reorder(int scalefac_band[]) { // SZD: converted from LAME\r
+ int j = 0;\r
+ int ix[] = new int[576];\r
+ for (int sfb = 0; sfb < 13; sfb++) {\r
+ int start = scalefac_band[sfb];\r
+ int end = scalefac_band[sfb + 1];\r
+ for (int window = 0; window < 3; window++)\r
+ for (int i = start; i < end; i++)\r
+ ix[3 * i + window] = j++;\r
+ }\r
+ return ix;\r
+ }\r
+\r
+ /*\r
+ * static final int reorder_table_data[][]; = { { 0, 4, 8, 1, 5, 9, 2, 6, 10,\r
+ * 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19, 23, 24, 28, 32, 25,\r
+ * 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49, 38, 44, 50, 39, 45,\r
+ * 51, 40, 46, 52, 41, 47, 53, 54, 60, 66, 55, 61, 67, 56, 62, 68, 57, 63, 69,\r
+ * 58, 64, 70, 59, 65, 71, 72, 80, 88, 73, 81, 89, 74, 82, 90, 75, 83, 91, 76,\r
+ * 84, 92, 77, 85, 93, 78, 86, 94, 79, 87, 95, 96,106,116, 97,107,117,\r
+ * 98,108,118, 99,109,119,100,110,120,101,\r
+ * 111,121,102,112,122,103,113,123,104,114,124,105,115,125,126,140,\r
+ * 154,127,141,155,128,142,156,129,143,157,130,144,158,131,145,159,\r
+ * 132,146,160,133,147,161,134,148,162,135,149,163,136,150,164,137,\r
+ * 151,165,138,152,166,139,153,167,168,186,204,169,187,205,170,188,\r
+ * 206,171,189,207,172,190,208,173,191,209,174,192,210,175,193,211,\r
+ * 176,194,212,177,195,213,178,196,214,179,197,215,180,198,216,181,\r
+ * 199,217,182,200,218,183,201,219,184,202,220,185,203,221,222,248,\r
+ * 274,223,249,275,224,250,276,225,251,277,226,252,278,227,253,279,\r
+ * 228,254,280,229,255,281,230,256,282,231,257,283,232,258,284,233,\r
+ * 259,285,234,260,286,235,261,287,236,262,288,237,263,289,238,264,\r
+ * 290,239,265,291,240,266,292,241,267,293,242,268,294,243,269,295,\r
+ * 244,270,296,245,271,297,246,272,298,247,273,299,300,332,364,301,\r
+ * 333,365,302,334,366,303,335,367,304,336,368,305,337,369,306,338,\r
+ * 370,307,339,371,308,340,372,309,341,373,310,342,374,311,343,375,\r
+ * 312,344,376,313,345,377,314,346,378,315,347,379,316,348,380,317,\r
+ * 349,381,318,350,382,319,351,383,320,352,384,321,353,385,322,354,\r
+ * 386,323,355,387,324,356,388,325,357,389,326,358,390,327,359,391,\r
+ * 328,360,392,329,361,393,330,362,394,331,363,395,396,438,480,397,\r
+ * 439,481,398,440,482,399,441,483,400,442,484,401,443,485,402,444,\r
+ * 486,403,445,487,404,446,488,405,447,489,406,448,490,407,449,491,\r
+ * 408,450,492,409,451,493,410,452,494,411,453,495,412,454,496,413,\r
+ * 455,497,414,456,498,415,457,499,416,458,500,417,459,501,418,460,\r
+ * 502,419,461,503,420,462,504,421,463,505,422,464,506,423,465,507,\r
+ * 424,466,508,425,467,509,426,468,510,427,469,511,428,470,512,429,\r
+ * 471,513,430,472,514,431,473,515,432,474,516,433,475,517,434,476,\r
+ * 518,435,477,519,436,478,520,437,479,521,522,540,558,523,541,559,\r
+ * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,\r
+ * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,\r
+ * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,\r
+ * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,\r
+ * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,\r
+ * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,\r
+ * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,\r
+ * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,\r
+ * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,\r
+ * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,\r
+ * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,\r
+ * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,\r
+ * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,\r
+ * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,\r
+ * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,\r
+ * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,\r
+ * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,\r
+ * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,\r
+ * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,\r
+ * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,\r
+ * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,\r
+ * 285,309,262,286,310,263,287,311,312,344,376,313,345,377,314,346,\r
+ * 378,315,347,379,316,348,380,317,349,381,318,350,382,319,351,383,\r
+ * 320,352,384,321,353,385,322,354,386,323,355,387,324,356,388,325,\r
+ * 357,389,326,358,390,327,359,391,328,360,392,329,361,393,330,362,\r
+ * 394,331,363,395,332,364,396,333,365,397,334,366,398,335,367,399,\r
+ * 336,368,400,337,369,401,338,370,402,339,371,403,340,372,404,341,\r
+ * 373,405,342,374,406,343,375,407,408,452,496,409,453,497,410,454,\r
+ * 498,411,455,499,412,456,500,413,457,501,414,458,502,415,459,503,\r
+ * 416,460,504,417,461,505,418,462,506,419,463,507,420,464,508,421,\r
+ * 465,509,422,466,510,423,467,511,424,468,512,425,469,513,426,470,\r
+ * 514,427,471,515,428,472,516,429,473,517,430,474,518,431,475,519,\r
+ * 432,476,520,433,477,521,434,478,522,435,479,523,436,480,524,437,\r
+ * 481,525,438,482,526,439,483,527,440,484,528,441,485,529,442,486,\r
+ * 530,443,487,531,444,488,532,445,489,533,446,490,534,447,491,535,\r
+ * 448,492,536,449,493,537,450,494,538,451,495,539,540,552,564,541,\r
+ * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,\r
+ * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575}, { 0, 4,\r
+ * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,\r
+ * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,\r
+ * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,\r
+ * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,\r
+ * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,\r
+ * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,\r
+ * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,\r
+ * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,\r
+ * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,\r
+ * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,\r
+ * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,\r
+ * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,\r
+ * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,\r
+ * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,\r
+ * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,\r
+ * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,\r
+ * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,\r
+ * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,\r
+ * 285,309,262,286,310,263,287,311,312,342,372,313,343,373,314,344,\r
+ * 374,315,345,375,316,346,376,317,347,377,318,348,378,319,349,379,\r
+ * 320,350,380,321,351,381,322,352,382,323,353,383,324,354,384,325,\r
+ * 355,385,326,356,386,327,357,387,328,358,388,329,359,389,330,360,\r
+ * 390,331,361,391,332,362,392,333,363,393,334,364,394,335,365,395,\r
+ * 336,366,396,337,367,397,338,368,398,339,369,399,340,370,400,341,\r
+ * 371,401,402,442,482,403,443,483,404,444,484,405,445,485,406,446,\r
+ * 486,407,447,487,408,448,488,409,449,489,410,450,490,411,451,491,\r
+ * 412,452,492,413,453,493,414,454,494,415,455,495,416,456,496,417,\r
+ * 457,497,418,458,498,419,459,499,420,460,500,421,461,501,422,462,\r
+ * 502,423,463,503,424,464,504,425,465,505,426,466,506,427,467,507,\r
+ * 428,468,508,429,469,509,430,470,510,431,471,511,432,472,512,433,\r
+ * 473,513,434,474,514,435,475,515,436,476,516,437,477,517,438,478,\r
+ * 518,439,479,519,440,480,520,441,481,521,522,540,558,523,541,559,\r
+ * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,\r
+ * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,\r
+ * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,\r
+ * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,\r
+ * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,\r
+ * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,\r
+ * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,\r
+ * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,100,110, 91,101,111, 92,102,112,\r
+ * 93,103,113, 94,104,114, 95,105,115, 96,106,116, 97, 107,117, 98,108,118,\r
+ * 99,109,119,120,132,144,121,133,145,122,134,\r
+ * 146,123,135,147,124,136,148,125,137,149,126,138,150,127,139,151,\r
+ * 128,140,152,129,141,153,130,142,154,131,143,155,156,170,184,157,\r
+ * 171,185,158,172,186,159,173,187,160,174,188,161,175,189,162,176,\r
+ * 190,163,177,191,164,178,192,165,179,193,166,180,194,167,181,195,\r
+ * 168,182,196,169,183,197,198,216,234,199,217,235,200,218,236,201,\r
+ * 219,237,202,220,238,203,221,239,204,222,240,205,223,241,206,224,\r
+ * 242,207,225,243,208,226,244,209,227,245,210,228,246,211,229,247,\r
+ * 212,230,248,213,231,249,214,232,250,215,233,251,252,274,296,253,\r
+ * 275,297,254,276,298,255,277,299,256,278,300,257,279,301,258,280,\r
+ * 302,259,281,303,260,282,304,261,283,305,262,284,306,263,285,307,\r
+ * 264,286,308,265,287,309,266,288,310,267,289,311,268,290,312,269,\r
+ * 291,313,270,292,314,271,293,315,272,294,316,273,295,317,318,348,\r
+ * 378,319,349,379,320,350,380,321,351,381,322,352,382,323,353,383,\r
+ * 324,354,384,325,355,385,326,356,386,327,357,387,328,358,388,329,\r
+ * 359,389,330,360,390,331,361,391,332,362,392,333,363,393,334,364,\r
+ * 394,335,365,395,336,366,396,337,367,397,338,368,398,339,369,399,\r
+ * 340,370,400,341,371,401,342,372,402,343,373,403,344,374,404,345,\r
+ * 375,405,346,376,406,347,377,407,408,464,520,409,465,521,410,466,\r
+ * 522,411,467,523,412,468,524,413,469,525,414,470,526,415,471,527,\r
+ * 416,472,528,417,473,529,418,474,530,419,475,531,420,476,532,421,\r
+ * 477,533,422,478,534,423,479,535,424,480,536,425,481,537,426,482,\r
+ * 538,427,483,539,428,484,540,429,485,541,430,486,542,431,487,543,\r
+ * 432,488,544,433,489,545,434,490,546,435,491,547,436,492,548,437,\r
+ * 493,549,438,494,550,439,495,551,440,496,552,441,497,553,442,498,\r
+ * 554,443,499,555,444,500,556,445,501,557,446,502,558,447,503,559,\r
+ * 448,504,560,449,505,561,450,506,562,451,507,563,452,508,564,453,\r
+ * 509,565,454,510,566,455,511,567,456,512,568,457,513,569,458,514,\r
+ * 570,459,515,571,460,516,572,461,517,573,462,518,574,463,519,575}, { 0, 4,\r
+ * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,\r
+ * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,\r
+ * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,\r
+ * 58, 64, 53, 59, 65, 66, 72, 78, 67, 73, 79, 68, 74, 80, 69, 75, 81, 70, 76,\r
+ * 82, 71, 77, 83, 84, 94,104, 85, 95,105, 86, 96,106, 87, 97,107, 88, 98,108,\r
+ * 89, 99,109, 90,100,110, 91,101,111, 92,102,112, 93,\r
+ * 103,113,114,126,138,115,127,139,116,128,140,117,129,141,118,130,\r
+ * 142,119,131,143,120,132,144,121,133,145,122,134,146,123,135,147,\r
+ * 124,136,148,125,137,149,150,164,178,151,165,179,152,166,180,153,\r
+ * 167,181,154,168,182,155,169,183,156,170,184,157,171,185,158,172,\r
+ * 186,159,173,187,160,174,188,161,175,189,162,176,190,163,177,191,\r
+ * 192,208,224,193,209,225,194,210,226,195,211,227,196,212,228,197,\r
+ * 213,229,198,214,230,199,215,231,200,216,232,201,217,233,202,218,\r
+ * 234,203,219,235,204,220,236,205,221,237,206,222,238,207,223,239,\r
+ * 240,260,280,241,261,281,242,262,282,243,263,283,244,264,284,245,\r
+ * 265,285,246,266,286,247,267,287,248,268,288,249,269,289,250,270,\r
+ * 290,251,271,291,252,272,292,253,273,293,254,274,294,255,275,295,\r
+ * 256,276,296,257,277,297,258,278,298,259,279,299,300,326,352,301,\r
+ * 327,353,302,328,354,303,329,355,304,330,356,305,331,357,306,332,\r
+ * 358,307,333,359,308,334,360,309,335,361,310,336,362,311,337,363,\r
+ * 312,338,364,313,339,365,314,340,366,315,341,367,316,342,368,317,\r
+ * 343,369,318,344,370,319,345,371,320,346,372,321,347,373,322,348,\r
+ * 374,323,349,375,324,350,376,325,351,377,378,444,510,379,445,511,\r
+ * 380,446,512,381,447,513,382,448,514,383,449,515,384,450,516,385,\r
+ * 451,517,386,452,518,387,453,519,388,454,520,389,455,521,390,456,\r
+ * 522,391,457,523,392,458,524,393,459,525,394,460,526,395,461,527,\r
+ * 396,462,528,397,463,529,398,464,530,399,465,531,400,466,532,401,\r
+ * 467,533,402,468,534,403,469,535,404,470,536,405,471,537,406,472,\r
+ * 538,407,473,539,408,474,540,409,475,541,410,476,542,411,477,543,\r
+ * 412,478,544,413,479,545,414,480,546,415,481,547,416,482,548,417,\r
+ * 483,549,418,484,550,419,485,551,420,486,552,421,487,553,422,488,\r
+ * 554,423,489,555,424,490,556,425,491,557,426,492,558,427,493,559,\r
+ * 428,494,560,429,495,561,430,496,562,431,497,563,432,498,564,433,\r
+ * 499,565,434,500,566,435,501,567,436,502,568,437,503,569,438,504,\r
+ * 570,439,505,571,440,506,572,441,507,573,442,508,574,443,509,575}, { 0, 4,\r
+ * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,\r
+ * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,\r
+ * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,\r
+ * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,\r
+ * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,102,114, 91,103,115, 92,104,116,\r
+ * 93,105,117, 94,106,118, 95,107,119, 96,108,120, 97, 109,121, 98,110,122,\r
+ * 99,111,123,100,112,124,101,113,125,126,142,\r
+ * 158,127,143,159,128,144,160,129,145,161,130,146,162,131,147,163,\r
+ * 132,148,164,133,149,165,134,150,166,135,151,167,136,152,168,137,\r
+ * 153,169,138,154,170,139,155,171,140,156,172,141,157,173,174,194,\r
+ * 214,175,195,215,176,196,216,177,197,217,178,198,218,179,199,219,\r
+ * 180,200,220,181,201,221,182,202,222,183,203,223,184,204,224,185,\r
+ * 205,225,186,206,226,187,207,227,188,208,228,189,209,229,190,210,\r
+ * 230,191,211,231,192,212,232,193,213,233,234,260,286,235,261,287,\r
+ * 236,262,288,237,263,289,238,264,290,239,265,291,240,266,292,241,\r
+ * 267,293,242,268,294,243,269,295,244,270,296,245,271,297,246,272,\r
+ * 298,247,273,299,248,274,300,249,275,301,250,276,302,251,277,303,\r
+ * 252,278,304,253,279,305,254,280,306,255,281,307,256,282,308,257,\r
+ * 283,309,258,284,310,259,285,311,312,346,380,313,347,381,314,348,\r
+ * 382,315,349,383,316,350,384,317,351,385,318,352,386,319,353,387,\r
+ * 320,354,388,321,355,389,322,356,390,323,357,391,324,358,392,325,\r
+ * 359,393,326,360,394,327,361,395,328,362,396,329,363,397,330,364,\r
+ * 398,331,365,399,332,366,400,333,367,401,334,368,402,335,369,403,\r
+ * 336,370,404,337,371,405,338,372,406,339,373,407,340,374,408,341,\r
+ * 375,409,342,376,410,343,377,411,344,378,412,345,379,413,414,456,\r
+ * 498,415,457,499,416,458,500,417,459,501,418,460,502,419,461,503,\r
+ * 420,462,504,421,463,505,422,464,506,423,465,507,424,466,508,425,\r
+ * 467,509,426,468,510,427,469,511,428,470,512,429,471,513,430,472,\r
+ * 514,431,473,515,432,474,516,433,475,517,434,476,518,435,477,519,\r
+ * 436,478,520,437,479,521,438,480,522,439,481,523,440,482,524,441,\r
+ * 483,525,442,484,526,443,485,527,444,486,528,445,487,529,446,488,\r
+ * 530,447,489,531,448,490,532,449,491,533,450,492,534,451,493,535,\r
+ * 452,494,536,453,495,537,454,496,538,455,497,539,540,552,564,541,\r
+ * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,\r
+ * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575} };\r
+ */\r
+\r
+ private static final float cs[] = { 0.857492925712f, 0.881741997318f, 0.949628649103f,\r
+ 0.983314592492f, 0.995517816065f, 0.999160558175f, 0.999899195243f, 0.999993155067f };\r
+\r
+ private static final float ca[] = { -0.5144957554270f, -0.4717319685650f, -0.3133774542040f,\r
+ -0.1819131996110f, -0.0945741925262f, -0.0409655828852f, -0.0141985685725f,\r
+ -0.00369997467375f };\r
+\r
+ /************************************************************/\r
+ /* END OF L3TABLE */\r
+ /************************************************************/\r
+\r
+ /************************************************************/\r
+ /* L3TYPE */\r
+ /************************************************************/\r
+\r
+ /***************************************************************/\r
+ /* END OF L3TYPE */\r
+ /***************************************************************/\r
+\r
+ /***************************************************************/\r
+ /* INV_MDCT */\r
+ /***************************************************************/\r
+ public static final float win[][] = {\r
+ { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,\r
+ -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,\r
+ -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,\r
+ -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,\r
+ -4.0715656898E-01f, -3.6969460527E-01f, -3.3876269197E-01f, -3.1242222492E-01f,\r
+ -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,\r
+ -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,\r
+ -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,\r
+ -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f },\r
+\r
+ { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,\r
+ -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,\r
+ -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,\r
+ -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,\r
+ -4.0715656898E-01f, -3.6969460527E-01f, -3.3908542600E-01f, -3.1511810350E-01f,\r
+ -2.9642226150E-01f, -2.8184548650E-01f, -5.4119610000E-01f, -2.6213228100E-01f,\r
+ -2.5387916537E-01f, -2.3296291359E-01f, -1.9852728987E-01f, -1.5233534808E-01f,\r
+ -9.6496400054E-02f, -3.3423828516E-02f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },\r
+\r
+ { -4.8300800645E-02f, -1.5715656932E-01f, -2.8325045177E-01f, -4.2953747763E-01f,\r
+ -1.2071067795E+00f, -8.2426483178E-01f, -1.1451749106E+00f, -1.7695290101E+00f,\r
+ -4.5470225061E+00f, -3.4890531002E+00f, -7.3296292804E-01f, -1.5076514758E-01f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },\r
+\r
+ { 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,\r
+ 0.0000000000E+00f, 0.0000000000E+00f, -1.5076513660E-01f, -7.3296291107E-01f,\r
+ -3.4890530566E+00f, -4.5470224727E+00f, -1.7695290031E+00f, -1.1451749092E+00f,\r
+ -8.3137738100E-01f, -1.3065629650E+00f, -5.4142014250E-01f, -4.6528974900E-01f,\r
+ -4.1066990750E-01f, -3.7004680800E-01f, -3.3876269197E-01f, -3.1242222492E-01f,\r
+ -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,\r
+ -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,\r
+ -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,\r
+ -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f } };\r
+\r
+ /***************************************************************/\r
+ /* END OF INV_MDCT */\r
+ /***************************************************************/\r
+\r
+ class Sftable {\r
+ public int[] l;\r
+ public int[] s;\r
+\r
+ public Sftable() {\r
+ l = new int[5];\r
+ s = new int[3];\r
+ }\r
+\r
+ public Sftable(int[] thel, int[] thes) {\r
+ l = thel;\r
+ s = thes;\r
+ }\r
+ }\r
+\r
+ public Sftable sftable;\r
+\r
+ public static final int nr_of_sfb_block[][][] = {\r
+ { { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } },\r
+ { { 6, 5, 7, 3 }, { 9, 9, 12, 6 }, { 6, 9, 12, 6 } },\r
+ { { 11, 10, 0, 0 }, { 18, 18, 0, 0 }, { 15, 18, 0, 0 } },\r
+ { { 7, 7, 7, 0 }, { 12, 12, 12, 0 }, { 6, 15, 12, 0 } },\r
+ { { 6, 6, 6, 3 }, { 12, 9, 9, 6 }, { 6, 12, 9, 6 } },\r
+ { { 8, 8, 5, 0 }, { 15, 12, 9, 0 }, { 6, 18, 9, 0 } } };\r
+\r
+}\r
projects / IRC.git / commitdiff