2 * 11/19/04 1.0 moved to LGPL.
4 * 18/06/01 Michael Scheerer, Fixed bugs which causes
5 * negative indexes in method huffmann_decode and in method
8 * 16/07/01 Michael Scheerer, Catched a bug in method
9 * huffmann_decode, which causes an outOfIndexException.
10 * Cause : Indexnumber of 24 at SfBandIndex,
11 * which has only a length of 22. I have simply and dirty
12 * fixed the index to <= 22, because I'm not really be able
13 * to fix the bug. The Indexnumber is taken from the MP3
14 * file and the origin Ma-Player with the same code works
17 * 02/19/99 Java Conversion by E.B, javalayer@javazoom.net
18 *-----------------------------------------------------------------------
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU Library General Public License as published
21 * by the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU Library General Public License for more details.
29 * You should have received a copy of the GNU Library General Public
30 * License along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *----------------------------------------------------------------------
36 * Class Implementing Layer 3 Decoder.
40 // @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,NS<SI,SI<CH,SFREQ<H,MAX<H,H<CH,FLCH<CH,FLCH<WC,SF<SFT,SFT<NS,NS<C,TS<RAW,O<TS,LY<F,NZ<VAR,C*,FS*,IP*,IR*,LR*,K*,O*,TS*,TS<BT,BT<GR,GR<SI,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*,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*,VAR<HD3,HD3<HD2,HD2<HD1,HD1<SI,HD1<SFREQ,HD1<RAW,HD2*,HD3*,SFB<GLSFD5,GLSFD5<NS,GLSFD5<GLSFD4,NS<GLSFD3,GLSFD4<GLSFD3,GLSFD3<GLSFD2,GLSFD2<GLSFD1,GLSFD1<SI,GLSFD5*,SF<GLSFF4,GLSFF4<GLSFF3,GLSFF3<GLSFF2,GLSFF2<GLSFF1,GLSFF1<SI,GLSFF4*,GLSFF3*,GLSFF2*,SF<GSF5,GSF5<GSF4,GSF4<GSF3,GSF3<GSF2,GSF2<GSF1,GSF1<SI,GSF5*,GSF4*,O<D3,D3<D2,D2<D1,D1<FLCH,D1*,D2*")
41 // 4th line added for hybrid.
42 // 5th added for stereo
43 // 6th added for reorder method
44 // 7th added for huffman_decode method
45 // 8th added for get_LSF_scale_data
46 // 9th added for get_LSF_scale_factors
47 // 10th added for get_scale_factors
48 // llth added for decode
49 // @LATTICE("IS1D*,RO<IS1D,IS1D<SI2,SI2<SI1,SI<P2S,SF1<CH0,SF0*,SFB_SH<NS,NS<SI,SFB_SH*,SFB<SFB_SH,C,C*,SI1<SF2,SF2<SFB,SF1<BR,LR*,OUT<LR,LR<RO,NZ*,SI<SF1,SI1<NZ,NZ<SI,SI1<SBI,SBI<SI,BUF<FT,SF1<SF0,SF0<HD1,BR<ST,ST,FT<SP,SP<OUT,OUT<SI1,SI1<SI,P2S<CH0,CH0<MAX0,MAX0<BR1,FS<BR1,BR1<BR,BR<HD1,HD1<HD,OUT*,BR1*,SI1*,MAX0*,CH0*,RAW,TS,F,C,K,LY,VAR,IR,IP,CSH,GLSFD3,GLSFD4,GLSFD5,GLSFF4,GLSFF2,GLSFF3,GLSFF1,GSF4,GSF5,GSF1,GSF2,GSF3,HD2,HD3,BT,GR,RO6,RO5,RO9,RO8,RO7,RO4,RO1,RO3,RO2,SH,ME,TMP2,S,LSF,J")
50 @LATTICE("ISR*,ISP*,LR<ISR,ISR<ISP,SI1<SF2,NS*,HD<ST,IS1D*,RO1<RO,RO1*,RO<IS1D,IS1D<SI2,SI2<SI1,BR<NS,NS<SI,SFB_SH*,SFB<SFB_SH,C,C*,SF2<SFB,LR*,OUT<LR,ISP<RO1,NZ*,SI<SF1,BR1<NZ,NZ<BR,SI1<RT,RT<SBI,SBI<SI,BUF<FT,SF1<CH0,CH0<HD1,FT<SP,SP<OUT,OUT<SI1,SI1<SI,SFB_SH<BR1,BR1<BR,HD1<HD,OUT*,BR1*,SI1*,CH0*,RAW,TS,F,C,K,LY,VAR,IR,IP,CSH,GLSFD3,GLSFD4,GLSFD5,GLSFF4,GLSFF2,GLSFF3,GLSFF1,GSF4,GSF5,GSF1,GSF2,GSF3,HD2,HD3,BT,GR,RO6,RO5,RO9,RO8,RO7,RO4,RO1,RO3,RO2,SH,ME,TMP2,S,LSF,J")
51 @METHODDEFAULT("OUT<V,V<THIS,THIS<SH,SH<IN,SH*,THISLOC=THIS,GLOBALLOC=IN")
52 final class LayerIIIDecoder implements FrameDecoder {
53 static final double d43 = (4.0 / 3.0);
55 public int[] scalefac_buffer;
57 // MDM: removed, as this wasn't being used.
58 // private float CheckSumOut1d = 0.0f;
60 private int CheckSumHuff = 0;
64 private float[][][] ro;
66 private float[][][] lr;
68 private float[] out_1d; // 576 samples
70 private float[][] prevblck;
74 private int[] nonzero;
76 private Header header;
78 private SynthesisFilter filter1;
80 private SynthesisFilter filter2;
82 private Obuffer buffer; // output buffer
84 private int which_channels;
86 private BitReserve br;
88 private III_side_info_t si;
90 // @LOC("SBT") private temporaire2[] III_scalefac_t;
92 private temporaire2[] scalefac;
93 // private III_scalefac_t scalefac;
98 private int frame_start;
99 // @LOC("SI1") private int part2_start;
101 private int channels;
103 private int first_channel;
105 private int last_channel;
109 private int part2_start;
114 // REVIEW: these constructor arguments should be moved to the
115 // decodeFrame() method, where possible, so that one
116 @LATTICE("THIS<VAR,THIS<I,THIS<J,J<CH,I*,J*,CH*,THISLOC=THIS,GLOBALLOC=THIS")
117 public LayerIIIDecoder(@LOC("VAR") Header header0, @LOC("VAR") SynthesisFilter filtera,
118 @LOC("VAR") SynthesisFilter filterb, @LOC("VAR") Obuffer buffer0, @LOC("VAR") int which_ch0) {
120 huffcodetab.inithuff();
121 is_1d = new int[SBLIMIT * SSLIMIT + 4];
122 ro = new float[2][SBLIMIT][SSLIMIT];
123 lr = new float[2][SBLIMIT][SSLIMIT];
124 out_1d = new float[SBLIMIT * SSLIMIT];
125 prevblck = new float[2][SBLIMIT * SSLIMIT];
126 k = new float[2][SBLIMIT * SSLIMIT];
127 nonzero = new int[2];
129 // removes unnecessary aliases
131 // III_scalefac_t = new temporaire2[2];
132 // III_scalefac_t[0] = new temporaire2();
133 // III_scalefac_t[1] = new temporaire2();
134 // scalefac = III_scalefac_t;
136 scalefac = new temporaire2[2];
137 scalefac[0] = new temporaire2();
138 scalefac[1] = new temporaire2();
142 sfBandIndex = new SBI[9]; // SZD: MPEG2.5 +3 indices
143 @LOC("VAR") int[] l0 =
144 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
146 @LOC("VAR") int[] s0 = { 0, 4, 8, 12, 18, 24, 32, 42, 56, 74, 100, 132, 174, 192 };
147 @LOC("VAR") int[] l1 =
148 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232, 278, 330, 394,
150 @LOC("VAR") int[] s1 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 136, 180, 192 };
151 @LOC("VAR") int[] l2 =
152 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
154 @LOC("VAR") int[] s2 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
156 @LOC("VAR") int[] l3 =
157 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196, 238, 288, 342,
159 @LOC("VAR") int[] s3 = { 0, 4, 8, 12, 16, 22, 30, 40, 52, 66, 84, 106, 136, 192 };
160 @LOC("VAR") int[] l4 =
161 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190, 230, 276, 330,
163 @LOC("VAR") int[] s4 = { 0, 4, 8, 12, 16, 22, 28, 38, 50, 64, 80, 100, 126, 192 };
164 @LOC("VAR") int[] l5 =
165 { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240, 296, 364, 448,
167 @LOC("VAR") int[] s5 = { 0, 4, 8, 12, 16, 22, 30, 42, 58, 78, 104, 138, 180, 192 };
169 @LOC("VAR") int[] l6 =
170 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
172 @LOC("VAR") int[] s6 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
173 @LOC("VAR") int[] l7 =
174 { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396,
176 @LOC("VAR") int[] s7 = { 0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192 };
177 @LOC("VAR") int[] l8 =
178 { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400, 476, 566, 568,
179 570, 572, 574, 576 };
180 @LOC("VAR") int[] s8 = { 0, 8, 16, 24, 36, 52, 72, 96, 124, 160, 162, 164, 166, 192 };
182 sfBandIndex[0] = new SBI(l0, s0);
183 sfBandIndex[1] = new SBI(l1, s1);
184 sfBandIndex[2] = new SBI(l2, s2);
186 sfBandIndex[3] = new SBI(l3, s3);
187 sfBandIndex[4] = new SBI(l4, s4);
188 sfBandIndex[5] = new SBI(l5, s5);
190 sfBandIndex[6] = new SBI(l6, s6);
191 sfBandIndex[7] = new SBI(l7, s7);
192 sfBandIndex[8] = new SBI(l8, s8);
193 // END OF L3TABLE INIT
195 if (reorder_table == null) { // SZD: generate LUT
196 reorder_table = new int[9][];
197 for (@LOC("I") int i = 0; i < 9; i++)
198 reorder_table[i] = reorder(sfBandIndex[i].s);
202 @LOC("VAR") int[] ll0 = { 0, 6, 11, 16, 21 };
203 @LOC("VAR") int[] ss0 = { 0, 6, 12 };
204 sftable = new Sftable(ll0, ss0);
208 scalefac_buffer = new int[54];
209 // END OF scalefac_buffer
215 which_channels = which_ch0;
218 channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;
219 max_gr = (header.version() == Header.MPEG1) ? 2 : 1;
222 header.sample_frequency()
223 + ((header.version() == Header.MPEG1) ? 3 : (header.version() == Header.MPEG25_LSF) ? 6
227 switch (which_channels) {
228 case OutputChannels.LEFT_CHANNEL:
229 case OutputChannels.DOWNMIX_CHANNELS:
230 first_channel = last_channel = 0;
233 case OutputChannels.RIGHT_CHANNEL:
234 first_channel = last_channel = 1;
237 case OutputChannels.BOTH_CHANNELS:
244 first_channel = last_channel = 0;
247 for (@LOC("CH") int ch = 0; ch < 2; ch++)
248 for (@LOC("J") int j = 0; j < 576; j++)
249 prevblck[ch][j] = 0.0f;
251 nonzero[0] = nonzero[1] = 576;
253 br = new BitReserve();
254 si = new III_side_info_t();
258 * Notify decoder that a seek is being made.
260 @LATTICE("THIS<J,J<CH,J*,CH*,THISLOC=THIS,GLOBALLOC=THIS")
261 public void seek_notify() {
263 for (@LOC("CH") int ch = 0; ch < 2; ch++)
264 for (@LOC("J") int j = 0; j < 576; j++)
265 prevblck[ch][j] = 0.0f;
266 br = new BitReserve();
269 public void decodeFrame() {
274 * Decode one frame, filling the buffer with the output samples.
277 // subband samples are buffered and passed to the
278 // SynthesisFilter in one go.
280 private float[] samples1 = new float[32];
282 private float[] samples2 = new float[32];
285 * location hierarchy of decode() {header} {stream} {si} {br, flush_main,
286 * main_data_end,frame_start,nSlots,bytes_to_discard}* {gr,max_gr} // granule
287 * {ch,channels,first_channel, last_channel, which_channels} // channel
288 * {part2_start} {sb18, ss} {out_1d}* {sb}* {samples1,sample2}
291 // @LATTICE("BYTE<THIS,THIS<MAIN,MAIN<VAR,THIS<GR,GR<VAR,BYTE*,GR*,THISLOC=THIS,GLOBALLOC=VAR")
292 @LATTICE("VAR<THIS,C<THIS,THIS<IN,THISLOC=THIS,C*,VAR*")
293 public void decode() {
295 @LOC("THIS,LayerIIIDecoder.HD1") int nSlots = header.slots();
297 @LOC("THIS,LayerIIIDecoder.CH0") int gr;
298 @LOC("THIS,LayerIIIDecoder.CH0") int ch;
300 @LOC("THIS,LayerIIIDecoder.CH0") int ss;
301 @LOC("THIS,LayerIIIDecoder.CH0") int sb;
302 @LOC("THIS,LayerIIIDecoder.CH0") int sb18;
304 @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int main_data_end;
305 @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int flush_main;
307 @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int bytes_to_discard;
310 // modifications for linear type
311 get_side_info(header.getSideInfoBuffer());
312 br = header.getBitReserve();
314 // here 'gr' and 'max_gr' should be higher than 'ch','channels', and more
315 for (gr = 0; gr < max_gr; gr++) { // two granules per channel
316 // in the loop body, access set={part2_start}
318 // 'ch', 'channels' should be higher than all locs in the below body
319 for (ch = 0; ch < channels; ch++) {
320 part2_start = br.hsstell();
322 // grab scale factors from the main data.
323 // following the scale factors is the actual compressed data
324 if (header.version() == Header.MPEG1)
325 get_scale_factors(ch, gr); // no need to care from this side
326 // here move scale factor data from 'br' buffer to 'scalefac' field
328 // MPEG-2 LSF, SZD: MPEG-2.5 LSF
329 get_LSF_scale_factors(ch, gr); // no need to care from this side
331 // here, decoding the compressed audio data
332 huffman_decode(ch, gr); // no need to care from this side
333 // System.out.println("CheckSum HuffMan = " + CheckSumHuff);
334 dequantize_sample(/* ro[ch], */ch, gr); // no need to care from this
338 stereo(gr); // no need to care from this side
340 if ((which_channels == OutputChannels.DOWNMIX_CHANNELS) && (channels > 1)) {
344 for (ch = first_channel; ch <= last_channel; ch++) { // 'ch' and
349 // read set= lr,ch,gr,out_1d, sb18, ss, SSLIMIT, out_1d
352 reorder(/* lr[ch], */ch, gr);
355 // float CheckSumOut1d=0;
356 // for (int hb = 0;hb<576;hb++) {
357 // CheckSumOut1d = CheckSumOut1d + out_1d[hb];
359 // System.out.println("CheckSumOut1d = "+CheckSumOut1d);
364 // float CheckSumOut1d=0;
365 // for (int hb = 0;hb<576;hb++) {
366 // CheckSumOut1d = CheckSumOut1d + out_1d[hb];
368 // System.out.println("CheckSumOut1d = "+CheckSumOut1d);
370 for (sb18 = 18; sb18 < 576; sb18 += 36) {
371 // sb18 > ss, SSLIMIT, out1d
372 // Frequency inversion
373 for (ss = 1; ss < SSLIMIT; ss += 2) {
374 // 'ss','SSLIMIT' > out_1d
375 out_1d[sb18 + ss] = -out_1d[sb18 + ss]; // out1d*
379 // 'ch', 'which_channels' should be higher than if/else body!
380 // location set written by if/else body
381 // = {samples1, samples2, filter1, filter2}
382 if ((ch == 0) || (which_channels == OutputChannels.RIGHT_CHANNEL)) {
383 for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis
385 for (sb18 = 0; sb18 < 576; sb18 += 18) {
386 samples1[sb] = out_1d[sb18 + ss]; // out_1d > samples1
387 // filter1.input_sample(out_1d[sb18+ss], sb);
388 sb++; // sb should be loc*
390 filter1.input_samples(samples1);
391 filter1.calculate_pcm_samples(buffer);
394 for (ss = 0; ss < SSLIMIT; ss++) { // Polyphase synthesis
396 for (sb18 = 0; sb18 < 576; sb18 += 18) {
397 samples2[sb] = out_1d[sb18 + ss]; // out_1d > samples2
398 // filter2.input_sample(out_1d[sb18+ss], sb);
401 filter2.input_samples(samples2);
402 filter2.calculate_pcm_samples(buffer);
409 // System.out.println("Counter = ................................."+counter);
410 // if (counter < 609)
412 counter++; // count should be loc*
413 buffer.write_buffer(1); // buffer!!!
415 // else if (counter == 609)
427 * Reads the side info from the stream, assuming the entire. frame has been
428 * read already. Mono : 136 bits (= 17 bytes) Stereo : 256 bits (= 32 bytes)
430 private boolean get_side_info(SideInfoBuffer sib) {
432 // System.out.println("#get_side_info");
433 if (header.version() == Header.MPEG1) {
435 si.main_data_begin = sib.get_bits(9);
437 si.private_bits = sib.get_bits(5);
439 si.private_bits = sib.get_bits(3);
441 for (ch = 0; ch < channels; ch++) {
442 si.ch[ch].scfsi[0] = sib.get_bits(1);
443 si.ch[ch].scfsi[1] = sib.get_bits(1);
444 si.ch[ch].scfsi[2] = sib.get_bits(1);
445 si.ch[ch].scfsi[3] = sib.get_bits(1);
448 // System.out.println("BEFORE GR,CH");
450 for (gr = 0; gr < 2; gr++) {
451 // System.out.println("GR=" + gr);
452 for (ch = 0; ch < channels; ch++) {
453 // System.out.println("CH");
454 si.ch[ch].gr[gr].part2_3_length = sib.get_bits(12);
455 si.ch[ch].gr[gr].big_values = sib.get_bits(9);
456 si.ch[ch].gr[gr].global_gain = sib.get_bits(8);
457 si.ch[ch].gr[gr].scalefac_compress = sib.get_bits(4);
458 si.ch[ch].gr[gr].window_switching_flag = sib.get_bits(1);
459 if ((si.ch[ch].gr[gr].window_switching_flag) != 0) {
460 si.ch[ch].gr[gr].block_type = sib.get_bits(2);
461 si.ch[ch].gr[gr].mixed_block_flag = sib.get_bits(1);
463 si.ch[ch].gr[gr].table_select[0] = sib.get_bits(5);
464 si.ch[ch].gr[gr].table_select[1] = sib.get_bits(5);
466 si.ch[ch].gr[gr].subblock_gain[0] = sib.get_bits(3);
467 si.ch[ch].gr[gr].subblock_gain[1] = sib.get_bits(3);
468 si.ch[ch].gr[gr].subblock_gain[2] = sib.get_bits(3);
470 // Set region_count parameters since they are implicit
473 if (si.ch[ch].gr[gr].block_type == 0) {
474 // Side info bad: block_type == 0 in split block
476 } else if (si.ch[ch].gr[gr].block_type == 2 && si.ch[ch].gr[gr].mixed_block_flag == 0) {
477 si.ch[ch].gr[gr].region0_count = 8;
479 si.ch[ch].gr[gr].region0_count = 7;
481 si.ch[ch].gr[gr].region1_count = 20 - si.ch[ch].gr[gr].region0_count;
483 si.ch[ch].gr[gr].table_select[0] = sib.get_bits(5);
484 si.ch[ch].gr[gr].table_select[1] = sib.get_bits(5);
485 si.ch[ch].gr[gr].table_select[2] = sib.get_bits(5);
486 si.ch[ch].gr[gr].region0_count = sib.get_bits(4);
487 si.ch[ch].gr[gr].region1_count = sib.get_bits(3);
488 si.ch[ch].gr[gr].block_type = 0;
490 si.ch[ch].gr[gr].preflag = sib.get_bits(1);
491 si.ch[ch].gr[gr].scalefac_scale = sib.get_bits(1);
492 si.ch[ch].gr[gr].count1table_select = sib.get_bits(1);
496 } else { // MPEG-2 LSF, SZD: MPEG-2.5 LSF
498 si.main_data_begin = sib.get_bits(8);
500 si.private_bits = sib.get_bits(1);
502 si.private_bits = sib.get_bits(2);
504 for (ch = 0; ch < channels; ch++) {
506 si.ch[ch].gr[0].part2_3_length = sib.get_bits(12);
507 si.ch[ch].gr[0].big_values = sib.get_bits(9);
508 si.ch[ch].gr[0].global_gain = sib.get_bits(8);
509 si.ch[ch].gr[0].scalefac_compress = sib.get_bits(9);
510 si.ch[ch].gr[0].window_switching_flag = sib.get_bits(1);
512 if ((si.ch[ch].gr[0].window_switching_flag) != 0) {
514 si.ch[ch].gr[0].block_type = sib.get_bits(2);
515 si.ch[ch].gr[0].mixed_block_flag = sib.get_bits(1);
516 si.ch[ch].gr[0].table_select[0] = sib.get_bits(5);
517 si.ch[ch].gr[0].table_select[1] = sib.get_bits(5);
519 si.ch[ch].gr[0].subblock_gain[0] = sib.get_bits(3);
520 si.ch[ch].gr[0].subblock_gain[1] = sib.get_bits(3);
521 si.ch[ch].gr[0].subblock_gain[2] = sib.get_bits(3);
523 // Set region_count parameters since they are implicit in
526 if (si.ch[ch].gr[0].block_type == 0) {
527 // Side info bad: block_type == 0 in split block
529 } else if (si.ch[ch].gr[0].block_type == 2 && si.ch[ch].gr[0].mixed_block_flag == 0) {
530 si.ch[ch].gr[0].region0_count = 8;
532 si.ch[ch].gr[0].region0_count = 7;
533 si.ch[ch].gr[0].region1_count = 20 - si.ch[ch].gr[0].region0_count;
537 si.ch[ch].gr[0].table_select[0] = sib.get_bits(5);
538 si.ch[ch].gr[0].table_select[1] = sib.get_bits(5);
539 si.ch[ch].gr[0].table_select[2] = sib.get_bits(5);
540 si.ch[ch].gr[0].region0_count = sib.get_bits(4);
541 si.ch[ch].gr[0].region1_count = sib.get_bits(3);
542 si.ch[ch].gr[0].block_type = 0;
545 si.ch[ch].gr[0].scalefac_scale = sib.get_bits(1);
546 si.ch[ch].gr[0].count1table_select = sib.get_bits(1);
547 } // for(ch=0; ch<channels; ch++)
548 } // if (header.version() == MPEG1)
555 @LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
556 private void get_scale_factors(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
557 @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
559 // gr_info_s gr_info = (si.ch[ch].gr[gr]); remove alias
561 @LOC("THIS,LayerIIIDecoder.NS") int sfb;
562 @LOC("THIS,LayerIIIDecoder.NS") int window;
563 @LOC("THIS,LayerIIIDecoder.NS") int scale_comp = si.ch[ch].gr[gr].scalefac_compress;
564 @LOC("THIS,LayerIIIDecoder.NS") int length0 = slen[0][scale_comp];
565 @LOC("THIS,LayerIIIDecoder.NS") int length1 = slen[1][scale_comp];
567 if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
568 if ((si.ch[ch].gr[gr].mixed_block_flag) != 0) { // MIXED
569 for (sfb = 0; sfb < 8; sfb++)
570 scalefac[ch].l[sfb] = br.hgetbits(slen[0][si.ch[ch].gr[gr].scalefac_compress]);
571 for (sfb = 3; sfb < 6; sfb++)
572 for (window = 0; window < 3; window++)
573 scalefac[ch].s[window][sfb] = br.hgetbits(slen[0][si.ch[ch].gr[gr].scalefac_compress]);
574 for (sfb = 6; sfb < 12; sfb++)
575 for (window = 0; window < 3; window++)
576 scalefac[ch].s[window][sfb] = br.hgetbits(slen[1][si.ch[ch].gr[gr].scalefac_compress]);
577 for (sfb = 12, window = 0; window < 3; window++)
578 scalefac[ch].s[window][sfb] = 0;
582 scalefac[ch].s[0][0] = br.hgetbits(length0);
583 scalefac[ch].s[1][0] = br.hgetbits(length0);
584 scalefac[ch].s[2][0] = br.hgetbits(length0);
585 scalefac[ch].s[0][1] = br.hgetbits(length0);
586 scalefac[ch].s[1][1] = br.hgetbits(length0);
587 scalefac[ch].s[2][1] = br.hgetbits(length0);
588 scalefac[ch].s[0][2] = br.hgetbits(length0);
589 scalefac[ch].s[1][2] = br.hgetbits(length0);
590 scalefac[ch].s[2][2] = br.hgetbits(length0);
591 scalefac[ch].s[0][3] = br.hgetbits(length0);
592 scalefac[ch].s[1][3] = br.hgetbits(length0);
593 scalefac[ch].s[2][3] = br.hgetbits(length0);
594 scalefac[ch].s[0][4] = br.hgetbits(length0);
595 scalefac[ch].s[1][4] = br.hgetbits(length0);
596 scalefac[ch].s[2][4] = br.hgetbits(length0);
597 scalefac[ch].s[0][5] = br.hgetbits(length0);
598 scalefac[ch].s[1][5] = br.hgetbits(length0);
599 scalefac[ch].s[2][5] = br.hgetbits(length0);
600 scalefac[ch].s[0][6] = br.hgetbits(length1);
601 scalefac[ch].s[1][6] = br.hgetbits(length1);
602 scalefac[ch].s[2][6] = br.hgetbits(length1);
603 scalefac[ch].s[0][7] = br.hgetbits(length1);
604 scalefac[ch].s[1][7] = br.hgetbits(length1);
605 scalefac[ch].s[2][7] = br.hgetbits(length1);
606 scalefac[ch].s[0][8] = br.hgetbits(length1);
607 scalefac[ch].s[1][8] = br.hgetbits(length1);
608 scalefac[ch].s[2][8] = br.hgetbits(length1);
609 scalefac[ch].s[0][9] = br.hgetbits(length1);
610 scalefac[ch].s[1][9] = br.hgetbits(length1);
611 scalefac[ch].s[2][9] = br.hgetbits(length1);
612 scalefac[ch].s[0][10] = br.hgetbits(length1);
613 scalefac[ch].s[1][10] = br.hgetbits(length1);
614 scalefac[ch].s[2][10] = br.hgetbits(length1);
615 scalefac[ch].s[0][11] = br.hgetbits(length1);
616 scalefac[ch].s[1][11] = br.hgetbits(length1);
617 scalefac[ch].s[2][11] = br.hgetbits(length1);
618 scalefac[ch].s[0][12] = 0;
619 scalefac[ch].s[1][12] = 0;
620 scalefac[ch].s[2][12] = 0;
623 } else { // LONG types 0,1,3
625 if ((si.ch[ch].scfsi[0] == 0) || (gr == 0)) {
626 scalefac[ch].l[0] = br.hgetbits(length0);
627 scalefac[ch].l[1] = br.hgetbits(length0);
628 scalefac[ch].l[2] = br.hgetbits(length0);
629 scalefac[ch].l[3] = br.hgetbits(length0);
630 scalefac[ch].l[4] = br.hgetbits(length0);
631 scalefac[ch].l[5] = br.hgetbits(length0);
633 if ((si.ch[ch].scfsi[1] == 0) || (gr == 0)) {
634 scalefac[ch].l[6] = br.hgetbits(length0);
635 scalefac[ch].l[7] = br.hgetbits(length0);
636 scalefac[ch].l[8] = br.hgetbits(length0);
637 scalefac[ch].l[9] = br.hgetbits(length0);
638 scalefac[ch].l[10] = br.hgetbits(length0);
640 if ((si.ch[ch].scfsi[2] == 0) || (gr == 0)) {
641 scalefac[ch].l[11] = br.hgetbits(length1);
642 scalefac[ch].l[12] = br.hgetbits(length1);
643 scalefac[ch].l[13] = br.hgetbits(length1);
644 scalefac[ch].l[14] = br.hgetbits(length1);
645 scalefac[ch].l[15] = br.hgetbits(length1);
647 if ((si.ch[ch].scfsi[3] == 0) || (gr == 0)) {
648 scalefac[ch].l[16] = br.hgetbits(length1);
649 scalefac[ch].l[17] = br.hgetbits(length1);
650 scalefac[ch].l[18] = br.hgetbits(length1);
651 scalefac[ch].l[19] = br.hgetbits(length1);
652 scalefac[ch].l[20] = br.hgetbits(length1);
655 scalefac[ch].l[21] = 0;
656 scalefac[ch].l[22] = 0;
663 // MDM: new_slen is fully initialized before use, no need
664 // to reallocate array.
666 private final int[] new_slen = new int[4];
669 @LATTICE("M<THIS,THIS<IN,THIS<C,C*,M*,THISLOC=THIS,GLOBALLOC=THIS")
670 private void get_LSF_scale_data(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
671 @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
673 @LOC("THIS,LayerIIIDecoder.HD1") int mode_ext = header.mode_extension();
674 // @LOC("THIS,LayerIIIDecoder.GLSFD1") gr_info_s gr_info =
675 // (si.ch[ch].gr[gr]); // remove alias
677 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR,LayerIIIDecoder$gr_info_s.V") int scalefac_comp =
678 si.ch[ch].gr[gr].scalefac_compress;
679 @LOC("THIS,LayerIIIDecoder.SI") int blocktypenumber;
681 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR,LayerIIIDecoder$gr_info_s.V") int int_scalefac_comp;
682 @LOC("THIS,LayerIIIDecoder.SFB_SH") int m;
683 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR,LayerIIIDecoder$gr_info_s.V") int blocknumber =
686 if (si.ch[ch].gr[gr].block_type == 2) {
687 if (si.ch[ch].gr[gr].mixed_block_flag == 0) {
689 } else if (si.ch[ch].gr[gr].mixed_block_flag == 1) {
698 if (!(((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {
700 if (scalefac_comp < 400) {
702 new_slen[0] = (scalefac_comp >>> 4) / 5;
703 new_slen[1] = (scalefac_comp >>> 4) % 5;
704 new_slen[2] = (scalefac_comp & 0xF) >>> 2;
705 new_slen[3] = (scalefac_comp & 3);
706 si.ch[ch].gr[gr].preflag = 0;
709 } else if (scalefac_comp < 500) {
711 new_slen[0] = ((scalefac_comp - 400) >>> 2) / 5;
712 new_slen[1] = ((scalefac_comp - 400) >>> 2) % 5;
713 new_slen[2] = (scalefac_comp - 400) & 3;
715 si.ch[ch].gr[gr].preflag = 0;
718 } else if (scalefac_comp < 512) {
720 new_slen[0] = (scalefac_comp - 500) / 3;
721 new_slen[1] = (scalefac_comp - 500) % 3;
724 si.ch[ch].gr[gr].preflag = 1;
729 if ((((mode_ext == 1) || (mode_ext == 3)) && (ch == 1))) {
730 int_scalefac_comp = scalefac_comp >>> 1;
732 if (int_scalefac_comp < 180) {
733 new_slen[0] = int_scalefac_comp / 36;
734 new_slen[1] = (int_scalefac_comp % 36) / 6;
735 new_slen[2] = (int_scalefac_comp % 36) % 6;
737 si.ch[ch].gr[gr].preflag = 0;
739 } else if (int_scalefac_comp < 244) {
740 new_slen[0] = ((int_scalefac_comp - 180) & 0x3F) >>> 4;
741 new_slen[1] = ((int_scalefac_comp - 180) & 0xF) >>> 2;
742 new_slen[2] = (int_scalefac_comp - 180) & 3;
744 si.ch[ch].gr[gr].preflag = 0;
746 } else if (int_scalefac_comp < 255) {
747 new_slen[0] = (int_scalefac_comp - 244) / 3;
748 new_slen[1] = (int_scalefac_comp - 244) % 3;
751 si.ch[ch].gr[gr].preflag = 0;
756 for (@LOC("C") int x = 0; x < 45; x++)
758 scalefac_buffer[x] = 0;
761 for (@LOC("C") int i = 0; i < 4; i++) {
762 for (@LOC("THIS,LayerIIIDecoder.NS") int j = 0; j < nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) {
763 scalefac_buffer[m] = (new_slen[i] == 0) ? 0 : br.hgetbits(new_slen[i]);
766 } // for (unint32 j ...
767 } // for (uint32 i ...
773 @LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
774 private void get_LSF_scale_factors(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
775 @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
777 @LOC("THIS,LayerIIIDecoder.SFB_SH") int sfb;
778 @LOC("THIS,LayerIIIDecoder.SFB_SH") int m = 0;
779 @LOC("THIS,LayerIIIDecoder.SFB_SH") int window;
780 // gr_info_s gr_info = (si.ch[ch].gr[gr]); // remove alias
782 get_LSF_scale_data(ch, gr);
784 if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
785 if (si.ch[ch].gr[gr].mixed_block_flag != 0) { // MIXED
786 for (sfb = 0; sfb < 8; sfb++) {
787 scalefac[ch].l[sfb] = scalefac_buffer[m];
790 for (sfb = 3; sfb < 12; sfb++) {
791 for (window = 0; window < 3; window++) {
792 scalefac[ch].s[window][sfb] = scalefac_buffer[m];
796 for (window = 0; window < 3; window++)
797 scalefac[ch].s[window][12] = 0;
801 for (sfb = 0; sfb < 12; sfb++) {
802 for (window = 0; window < 3; window++) {
803 scalefac[ch].s[window][sfb] = scalefac_buffer[m];
808 for (window = 0; window < 3; window++)
809 scalefac[ch].s[window][12] = 0;
811 } else { // LONG types 0,1,3
813 for (sfb = 0; sfb < 21; sfb++) {
814 scalefac[ch].l[sfb] = scalefac_buffer[m];
817 scalefac[ch].l[21] = 0; // Jeff
818 scalefac[ch].l[22] = 0;
842 private void huffman_decode(int ch, int gr) {
848 int part2_3_end = part2_start + si.ch[ch].gr[gr].part2_3_length;
858 // Find region boundary for short block case
860 if (((si.ch[ch].gr[gr].window_switching_flag) != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
863 // MS: Extrahandling for 8KHZ
864 region1Start = (sfreq == 8) ? 72 : 36; // sfb[9/3]*3=36 or in case
866 region2Start = 576; // No Region2 for short block case
868 } else { // Find region boundary for long block case
870 buf = si.ch[ch].gr[gr].region0_count + 1;
871 buf1 = buf + si.ch[ch].gr[gr].region1_count + 1;
873 if (buf1 > sfBandIndex[sfreq].l.length - 1)
874 buf1 = sfBandIndex[sfreq].l.length - 1;
876 region1Start = sfBandIndex[sfreq].l[buf];
877 region2Start = sfBandIndex[sfreq].l[buf1]; /* MI */
881 // Read bigvalues area
882 for (int i = 0; i < (si.ch[ch].gr[gr].big_values << 1); i += 2) {
883 if (i < region1Start)
884 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];
885 else if (i < region2Start)
886 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[1]];
888 h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[2]];
890 huffcodetab.huffman_decoder(h, x, y, v, w, br);
891 // if (index >= is_1d.length)
892 // System.out.println("i0="+i+"/"+(si.ch[ch].gr[gr].big_values<<1)+" Index="+index+" is_1d="+is_1d.length);
894 is_1d[index++] = x[0];
895 is_1d[index++] = y[0];
897 CheckSumHuff = CheckSumHuff + x[0] + y[0];
898 // System.out.println("x = " + x[0] + " y = " + y[0]);
902 h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];
903 num_bits = br.hsstell();
905 while ((num_bits < part2_3_end) && (index < 576)) {
907 huffcodetab.huffman_decoder(h, x, y, v, w, br);
909 is_1d[index++] = v[0];
910 is_1d[index++] = w[0];
911 is_1d[index++] = x[0];
912 is_1d[index++] = y[0];
913 CheckSumHuff = CheckSumHuff + v[0] + w[0] + x[0] + y[0];
914 // System.out.println("v = "+v[0]+" w = "+w[0]);
915 // System.out.println("x = "+x[0]+" y = "+y[0]);
916 num_bits = br.hsstell();
919 if (num_bits > part2_3_end) {
920 br.rewindNbits(num_bits - part2_3_end);
924 num_bits = br.hsstell();
926 // Dismiss stuffing bits
927 if (num_bits < part2_3_end)
928 br.hgetbits(part2_3_end - num_bits);
940 // may not be necessary
941 for (; index < 576; index++)
945 @LATTICE("THIS,IN,THISLOC=THIS,RETURNLOC=THIS")
946 private int huffcodetab_huffman_decoder(@LOC("IN") int h) {
947 // TODO need to move huffmancodetab implementation here
954 private void i_stereo_k_values(@LOC("THIS,LayerIIIDecoder.LR") int is_pos,
955 @LOC("THIS,LayerIIIDecoder.LR") int io_type, @LOC("THIS,LayerIIIDecoder.LR") int i) {
959 } else if ((is_pos & 1) != 0) {
960 k[0][i] = io[io_type][(is_pos + 1) >>> 1];
964 k[1][i] = io[io_type][is_pos >>> 1];
971 // @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")
972 @LATTICE("THIS,THISLOC=THIS,GLOBALLOC=THIS")
974 private void dequantize_sample(
975 /* @LOC("OUT") float xr[][], */@LOC("THIS,LayerIIIDecoder.SI") int ch,
976 @LOC("THIS,LayerIIIDecoder.SI") int gr) {
978 // @LOC("GR") gr_info_s gr_info = (si.ch[ch].gr[gr]); remove alias!
979 @LOC("THIS,LayerIIIDecoder.SI1") int cb = 0;
981 @LOC("THIS,LayerIIIDecoder.SI1") int next_cb_boundary;
982 @LOC("THIS,LayerIIIDecoder.SI1") int cb_begin = 0;
983 @LOC("THIS,LayerIIIDecoder.SI1") int cb_width = 0;
984 @LOC("THIS,LayerIIIDecoder.SI1") float g_gain;
986 @LOC("THIS,LayerIIIDecoder.SI1") int index = 0;
987 @LOC("THIS,LayerIIIDecoder.SI1") int t_index;
988 @LOC("THIS,LayerIIIDecoder.NZ") int j;
990 // float[][] xr_1d = xr;//substituted xr for instances of xr_1d to decrease
993 // choose correct scalefactor band per block type, initalize boundary
995 if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
996 if (si.ch[ch].gr[gr].mixed_block_flag != 0)
997 next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3
999 cb_width = sfBandIndex[sfreq].s[1];
1000 next_cb_boundary = (cb_width << 2) - cb_width;
1004 next_cb_boundary = sfBandIndex[sfreq].l[1]; // LONG blocks: 0,1,3
1007 // Compute overall (global) scaling.
1009 g_gain = (float) Math.pow(2.0, (0.25 * (si.ch[ch].gr[gr].global_gain - 210.0)));
1011 for (j = 0; j < nonzero[ch]; j++) {
1012 // Modif E.B 02/22/99
1013 @LOC("THIS,LayerIIIDecoder.NZ") int reste = j % SSLIMIT;
1014 @LOC("THIS,LayerIIIDecoder.NZ") int quotien = (int) ((j - reste) / SSLIMIT);
1015 if (is_1d[j] == 0) {
1016 ro[ch][quotien][reste] = 0.0f;
1018 @LOC("THIS,LayerIIIDecoder.IS1D") int abv = is_1d[j];
1019 // Pow Array fix (11/17/04)
1020 if (abv < t_43.length) {
1022 ro[ch][quotien][reste] = g_gain * t_43[abv];
1024 if (-abv < t_43.length)
1025 ro[ch][quotien][reste] = -g_gain * t_43[-abv];
1027 ro[ch][quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);
1031 ro[ch][quotien][reste] = g_gain * (float) Math.pow(abv, d43);
1033 ro[ch][quotien][reste] = -g_gain * (float) Math.pow(-abv, d43);
1038 // apply formula per block type
1039 for (j = 0; j < nonzero[ch]; j++) {
1040 // Modif E.B 02/22/99
1041 @LOC("THIS,LayerIIIDecoder.NZ") int reste = j % SSLIMIT;
1042 @LOC("THIS,LayerIIIDecoder.NZ") int quotien = (int) ((j - reste) / SSLIMIT);
1044 if (index == next_cb_boundary) { /* Adjust critical band boundary */
1045 if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
1046 if (si.ch[ch].gr[gr].mixed_block_flag != 0) {
1048 if (index == sfBandIndex[sfreq].l[8]) {
1049 next_cb_boundary = sfBandIndex[sfreq].s[4];
1050 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
1052 cb_width = sfBandIndex[sfreq].s[4] - sfBandIndex[sfreq].s[3];
1054 cb_begin = sfBandIndex[sfreq].s[3];
1055 cb_begin = (cb_begin << 2) - cb_begin;
1057 } else if (index < sfBandIndex[sfreq].l[8]) {
1059 next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];
1063 next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];
1064 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
1066 cb_begin = sfBandIndex[sfreq].s[cb];
1067 cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;
1068 cb_begin = (cb_begin << 2) - cb_begin;
1073 next_cb_boundary = sfBandIndex[sfreq].s[(++cb) + 1];
1074 next_cb_boundary = (next_cb_boundary << 2) - next_cb_boundary;
1076 cb_begin = sfBandIndex[sfreq].s[cb];
1077 cb_width = sfBandIndex[sfreq].s[cb + 1] - cb_begin;
1078 cb_begin = (cb_begin << 2) - cb_begin;
1081 } else { // long blocks
1083 next_cb_boundary = sfBandIndex[sfreq].l[(++cb) + 1];
1088 // Do long/short dependent scaling operations
1090 if ((si.ch[ch].gr[gr].window_switching_flag != 0)
1091 && (((si.ch[ch].gr[gr].block_type == 2) && (si.ch[ch].gr[gr].mixed_block_flag == 0)) || ((si.ch[ch].gr[gr].block_type == 2)
1092 && (si.ch[ch].gr[gr].mixed_block_flag != 0) && (j >= 36)))) {
1094 t_index = (index - cb_begin) / cb_width;
1096 * xr[sb][ss] *= pow(2.0, ((-2.0 * gr_info.subblock_gain[t_index]) -(0.5
1097 * * (1.0 + gr_info.scalefac_scale) scalefac[ch].s[t_index][cb])));
1099 @LOC("THIS,LayerIIIDecoder.SI1") int idx =
1100 scalefac[ch].s[t_index][cb] << si.ch[ch].gr[gr].scalefac_scale;
1101 idx += (si.ch[ch].gr[gr].subblock_gain[t_index] << 2);
1103 ro[ch][quotien][reste] *= two_to_negative_half_pow[idx];
1105 } else { // LONG block types 0,1,3 & 1st 2 subbands of switched blocks
1107 * xr[sb][ss] *= pow(2.0, -0.5 * (1.0+gr_info.scalefac_scale)
1108 * (scalefac[ch].l[cb] + gr_info.preflag * pretab[cb]));
1110 @LOC("THIS,LayerIIIDecoder.SI1") int idx = scalefac[ch].l[cb];
1112 if (si.ch[ch].gr[gr].preflag != 0)
1115 idx = idx << si.ch[ch].gr[gr].scalefac_scale;
1116 ro[ch][quotien][reste] *= two_to_negative_half_pow[idx];
1121 for (j = nonzero[ch]; j < 576; j++) {
1122 // Modif E.B 02/22/99
1123 @LOC("THIS,LayerIIIDecoder.NZ") int reste = j % SSLIMIT;
1124 @LOC("THIS,LayerIIIDecoder.NZ") int quotien = (int) ((j - reste) / SSLIMIT);
1129 ro[ch][quotien][reste] = 0.0f;
1139 // @LATTICE("THIS<I,I<GR,GR<IN,I*,THISLOC=THIS,GLOBALLOC=IN")
1140 @LATTICE("THIS,THISLOC=THIS,GLOBALLOC=THIS")
1141 private void reorder(/* @LOC("IN") float xr[][], */@LOC("THIS,LayerIIIDecoder.CH0") int ch,
1142 @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
1143 // the purpose of reordering: move 'short samples' back to their original
1145 // after reorder, the samples are no long ordered by frequency
1147 // the format of input data to reorder:
1148 // three small chunks of 192 samples each are combined to 576 samples
1149 // ordered by frequency
1151 // gr_info_s gr_info = (si.ch[ch].gr[gr]); //remove alias
1153 @LOC("THIS,LayerIIIDecoder.SI1") int index;
1155 @LOC("THIS,LayerIIIDecoder.SI1") int freq;
1156 @LOC("THIS,LayerIIIDecoder.SI1") int freq3;
1157 @LOC("THIS,LayerIIIDecoder.SI1") int sfb;
1158 @LOC("THIS,LayerIIIDecoder.SI1") int sfb_start;
1159 @LOC("THIS,LayerIIIDecoder.SI1") int sfb_lines;
1160 @LOC("THIS,LayerIIIDecoder.SI1") int src_line;
1161 @LOC("THIS,LayerIIIDecoder.SI1") int des_line;
1162 // float[][] xr_1d = xr; subbed in xr for xr_1d so as not to create extra
1165 if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].block_type == 2)) {
1167 for (index = 0; index < 576; index++) {
1168 out_1d[index] = 0.0f;
1171 if (si.ch[ch].gr[gr].mixed_block_flag != 0) {
1172 // NO REORDER FOR LOW 2 SUBBANDS
1173 for (index = 0; index < 36; index++) {
1174 // Modif E.B 02/22/99
1175 @LOC("THIS,LayerIIIDecoder.SI1") int reste = index % SSLIMIT;
1176 @LOC("THIS,LayerIIIDecoder.SI1") int quotien = (int) ((index - reste) / SSLIMIT);
1177 out_1d[index] = lr[ch][quotien][reste];
1179 // REORDERING FOR REST SWITCHED SHORT
1181 * for( sfb=3,sfb_start=sfBandIndex[sfreq].s[3],
1182 * sfb_lines=sfBandIndex[sfreq].s[4] - sfb_start; sfb < 13;
1183 * sfb++,sfb_start = sfBandIndex[sfreq].s[sfb], sfb_lines =
1184 * sfBandIndex[sfreq].s[sfb+1] - sfb_start ) {
1186 for (sfb = 3; sfb < 13; sfb++) {
1187 // System.out.println("sfreq="+sfreq+" sfb="+sfb+" sfBandIndex="+sfBandIndex.length+" sfBandIndex[sfreq].s="+sfBandIndex[sfreq].s.length);
1188 sfb_start = sfBandIndex[sfreq].s[sfb];
1189 sfb_lines = sfBandIndex[sfreq].s[sfb + 1] - sfb_start;
1191 @LOC("THIS,LayerIIIDecoder.SI1") int sfb_start3 = (sfb_start << 2) - sfb_start;
1193 for (freq = 0, freq3 = 0; freq < sfb_lines; freq++, freq3 += 3) {
1195 src_line = sfb_start3 + freq;
1196 des_line = sfb_start3 + freq3;
1197 // Modif E.B 02/22/99
1198 @LOC("THIS,LayerIIIDecoder.SI1") int reste = src_line % SSLIMIT;
1199 @LOC("THIS,LayerIIIDecoder.SI1") int quotien = (int) ((src_line - reste) / SSLIMIT);
1201 out_1d[des_line] = lr[ch][quotien][reste];
1202 src_line += sfb_lines;
1205 reste = src_line % SSLIMIT;
1206 quotien = (int) ((src_line - reste) / SSLIMIT);
1208 out_1d[des_line] = lr[ch][quotien][reste];
1209 src_line += sfb_lines;
1212 reste = src_line % SSLIMIT;
1213 quotien = (int) ((src_line - reste) / SSLIMIT);
1215 out_1d[des_line] = lr[ch][quotien][reste];
1219 } else { // pure short
1220 for (index = 0; index < 576; index++) {
1221 @LOC("THIS,LayerIIIDecoder.SI1") int j = reorder_table[sfreq][index];
1222 @LOC("THIS,LayerIIIDecoder.SI1") int reste = j % SSLIMIT;
1223 @LOC("THIS,LayerIIIDecoder.SI1") int quotien = (int) ((j - reste) / SSLIMIT);
1224 out_1d[index] = lr[ch][quotien][reste];
1227 } else { // long blocks
1228 for (index = 0; index < 576; index++) {
1229 // Modif E.B 02/22/99
1230 @LOC("THIS,LayerIIIDecoder.SI1") int reste = index % SSLIMIT;
1231 @LOC("THIS,LayerIIIDecoder.SI1") int quotien = (int) ((index - reste) / SSLIMIT);
1232 out_1d[index] = lr[ch][quotien][reste];
1242 int[] is_pos = new int[576];
1244 float[] is_ratio = new float[576];
1247 @LATTICE("IO<THIS,THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
1248 private void stereo(@LOC("THIS,LayerIIIDecoder.CH0") int gr) {
1249 @LOC("THIS,LayerIIIDecoder.RO1") int sb;
1250 @LOC("THIS,LayerIIIDecoder.RO1") int ss;
1252 if (channels == 1) { // mono , bypass xr[0][][] to lr[0][][]
1254 for (sb = 0; sb < SBLIMIT; sb++)
1255 for (ss = 0; ss < SSLIMIT; ss += 3) {
1256 lr[0][sb][ss] = ro[0][sb][ss];
1257 lr[0][sb][ss + 1] = ro[0][sb][ss + 1];
1258 lr[0][sb][ss + 2] = ro[0][sb][ss + 2];
1263 // gr_info_s gr_info = (si.ch[0].gr[gr]); remove alias
1264 @LOC("THIS,LayerIIIDecoder.HD1") int mode_ext = header.mode_extension();
1266 @LOC("THIS,LayerIIIDecoder.RO1") int sfb;
1267 @LOC("THIS,LayerIIIDecoder.RO1") int i;
1268 @LOC("THIS,LayerIIIDecoder.RO1") int lines;
1269 @LOC("THIS,LayerIIIDecoder.RO1") int temp;
1270 @LOC("THIS,LayerIIIDecoder.RO1") int temp2;
1272 @LOC("THIS,LayerIIIDecoder.CH0") boolean ms_stereo =
1273 ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x2) != 0));
1274 @LOC("THIS,LayerIIIDecoder.CH0") boolean i_stereo =
1275 ((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x1) != 0));
1276 @LOC("THIS,LayerIIIDecoder.CH0") boolean lsf =
1277 ((header.version() == Header.MPEG2_LSF || header.version() == Header.MPEG25_LSF)); // SZD
1279 @LOC("THIS,LayerIIIDecoder.LR") int io_type = (si.ch[0].gr[gr].scalefac_compress & 1);
1283 for (i = 0; i < 576; i++) {
1290 if ((si.ch[0].gr[gr].window_switching_flag != 0) && (si.ch[0].gr[gr].block_type == 2)) {
1291 if (si.ch[0].gr[gr].mixed_block_flag != 0) {
1293 @LOC("THIS,LayerIIIDecoder.RO1") int max_sfb = 0;
1295 for (@LOC("THIS,LayerIIIDecoder.RO1") int j = 0; j < 3; j++) {
1296 @LOC("THIS,LayerIIIDecoder.RO1") int sfbcnt;
1298 for (sfb = 12; sfb >= 3; sfb--) {
1299 i = sfBandIndex[sfreq].s[sfb];
1300 lines = sfBandIndex[sfreq].s[sfb + 1] - i;
1301 i = (i << 2) - i + (j + 1) * lines - 1;
1304 if (ro[1][i / 18][i % 18] != 0.0f) {
1305 // MDM: in java, array access is very slow.
1306 // Is quicker to compute div and mod values.
1307 // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {
1316 } // while (lines > 0)
1318 } // for (sfb=12 ...
1325 temp = sfBandIndex[sfreq].s[sfb];
1326 sb = sfBandIndex[sfreq].s[sfb + 1] - temp;
1327 i = (temp << 2) - temp + j * sb;
1329 for (; sb > 0; sb--) {
1330 is_pos[i] = scalefac[1].s[j][sfb];
1333 i_stereo_k_values(is_pos[i], io_type, i);
1335 is_ratio[i] = TAN12[is_pos[i]];
1340 } // while (sfb < 12)
1341 sfb = sfBandIndex[sfreq].s[10];
1342 sb = sfBandIndex[sfreq].s[11] - sfb;
1343 sfb = (sfb << 2) - sfb + j * sb;
1344 temp = sfBandIndex[sfreq].s[11];
1345 sb = sfBandIndex[sfreq].s[12] - temp;
1346 i = (temp << 2) - temp + j * sb;
1348 for (; sb > 0; sb--) {
1349 is_pos[i] = is_pos[sfb];
1352 k[0][i] = k[0][sfb];
1353 k[1][i] = k[1][sfb];
1355 is_ratio[i] = is_ratio[sfb];
1358 } // for (; sb > 0 ...
1365 if (ro[1][i][ss] != 0.0f) {
1366 sb = (i << 4) + (i << 1) + ss;
1377 while (sfBandIndex[sfreq].l[i] <= sb)
1380 i = sfBandIndex[sfreq].l[i];
1381 for (; sfb < 8; sfb++) {
1382 sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];
1383 for (; sb > 0; sb--) {
1384 is_pos[i] = scalefac[1].l[sfb];
1387 i_stereo_k_values(is_pos[i], io_type, i);
1389 is_ratio[i] = TAN12[is_pos[i]];
1391 } // for (; sb>0 ...
1392 } // for (; sfb<8 ...
1394 } else { // if (gr_info.mixed_block_flag)
1395 for (@LOC("THIS,LayerIIIDecoder.RO1") int j = 0; j < 3; j++) {
1396 @LOC("THIS,LayerIIIDecoder.RO1") int sfbcnt;
1398 for (sfb = 12; sfb >= 0; sfb--) {
1399 temp = sfBandIndex[sfreq].s[sfb];
1400 lines = sfBandIndex[sfreq].s[sfb + 1] - temp;
1401 i = (temp << 2) - temp + (j + 1) * lines - 1;
1404 if (ro[1][i / 18][i % 18] != 0.0f) {
1405 // MDM: in java, array access is very slow.
1406 // Is quicker to compute div and mod values.
1407 // if (ro[1][ss_div[i]][ss_mod[i]] != 0.0f) {
1414 } // while (lines > 0) */
1416 } // for (sfb=12 ...
1419 temp = sfBandIndex[sfreq].s[sfb];
1420 sb = sfBandIndex[sfreq].s[sfb + 1] - temp;
1421 i = (temp << 2) - temp + j * sb;
1422 for (; sb > 0; sb--) {
1423 is_pos[i] = scalefac[1].s[j][sfb];
1426 i_stereo_k_values(is_pos[i], io_type, i);
1428 is_ratio[i] = TAN12[is_pos[i]];
1430 } // for (; sb>0 ...
1434 temp = sfBandIndex[sfreq].s[10];
1435 temp2 = sfBandIndex[sfreq].s[11];
1437 sfb = (temp << 2) - temp + j * sb;
1438 sb = sfBandIndex[sfreq].s[12] - temp2;
1439 i = (temp2 << 2) - temp2 + j * sb;
1441 for (; sb > 0; sb--) {
1442 is_pos[i] = is_pos[sfb];
1445 k[0][i] = k[0][sfb];
1446 k[1][i] = k[1][sfb];
1448 is_ratio[i] = is_ratio[sfb];
1451 } // for (; sb>0 ...
1454 } else { // if (gr_info.window_switching_flag ...
1459 if (ro[1][i][ss] != 0.0f) {
1460 sb = (i << 4) + (i << 1) + ss;
1471 while (sfBandIndex[sfreq].l[i] <= sb)
1475 i = sfBandIndex[sfreq].l[i];
1476 for (; sfb < 21; sfb++) {
1477 sb = sfBandIndex[sfreq].l[sfb + 1] - sfBandIndex[sfreq].l[sfb];
1478 for (; sb > 0; sb--) {
1479 is_pos[i] = scalefac[1].l[sfb];
1482 i_stereo_k_values(is_pos[i], io_type, i);
1484 is_ratio[i] = TAN12[is_pos[i]];
1488 sfb = sfBandIndex[sfreq].l[20];
1489 for (sb = 576 - sfBandIndex[sfreq].l[21]; (sb > 0) && (i < 576); sb--) {
1490 is_pos[i] = is_pos[sfb]; // error here : i >=576
1493 k[0][i] = k[0][sfb];
1494 k[1][i] = k[1][sfb];
1496 is_ratio[i] = is_ratio[sfb];
1499 } // if (gr_info.mixed_block_flag)
1500 } // if (gr_info.window_switching_flag ...
1504 for (sb = 0; sb < SBLIMIT; sb++)
1505 for (ss = 0; ss < SSLIMIT; ss++) {
1506 if (is_pos[i] == 7) {
1508 lr[0][sb][ss] = (ro[0][sb][ss] + ro[1][sb][ss]) * 0.707106781f;
1509 lr[1][sb][ss] = (ro[0][sb][ss] - ro[1][sb][ss]) * 0.707106781f;
1511 lr[0][sb][ss] = ro[0][sb][ss];
1512 lr[1][sb][ss] = ro[1][sb][ss];
1514 } else if (i_stereo) {
1517 lr[0][sb][ss] = ro[0][sb][ss] * k[0][i];
1518 lr[1][sb][ss] = ro[0][sb][ss] * k[1][i];
1520 lr[1][sb][ss] = ro[0][sb][ss] / (float) (1 + is_ratio[i]);
1521 lr[0][sb][ss] = lr[1][sb][ss] * is_ratio[i];
1525 * else { System.out.println("Error in stereo processing\n"); }
1537 // @LATTICE("THIS<SRC,SRC<SS,SS<SB18,SB18<SB18LIM,SB18LIM<GR,GR<IN,SB18*,SS*,THISLOC=THIS")
1538 @LATTICE("VAR<THIS,THIS<C,C<IN,THISLOC=THIS,C*")
1539 private void antialias(@LOC("THIS,LayerIIIDecoder.SI") int ch,
1540 @LOC("THIS,LayerIIIDecoder.SI") int gr) {
1542 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR2") int sb18;
1543 @LOC("THIS,LayerIIIDecoder.SI1") int ss;
1544 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR2") int sb18lim;
1546 @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR1") gr_info_s gr_info =
1548 // 31 alias-reduction operations between each pair of sub-bands
1549 // with 8 butterflies between each pair
1551 if ((gr_info.window_switching_flag != 0) && (gr_info.block_type == 2)
1552 && !(gr_info.mixed_block_flag != 0))
1555 if ((gr_info.window_switching_flag != 0) && (gr_info.mixed_block_flag != 0)
1556 && (gr_info.block_type == 2)) {
1562 for (sb18 = 0; sb18 < sb18lim; sb18 += 18) {
1563 for (ss = 0; ss < 8; ss++) {
1564 @LOC("THIS,LayerIIIDecoder.SI1") int src_idx1 = sb18 + 17 - ss;
1565 @LOC("THIS,LayerIIIDecoder.SI1") int src_idx2 = sb18 + 18 + ss;
1566 @LOC("THIS,LayerIIIDecoder.OUT") float bu = out_1d[src_idx1];
1567 @LOC("THIS,LayerIIIDecoder.OUT") float bd = out_1d[src_idx2];
1568 out_1d[src_idx1] = (bu * cs[ss]) - (bd * ca[ss]);
1569 out_1d[src_idx2] = (bd * cs[ss]) + (bu * ca[ss]);
1578 // MDM: tsOutCopy and rawout do not need initializing, so the arrays
1581 float[] tsOutCopy = new float[18];
1583 float[] rawout = new float[36];
1585 @LATTICE("THIS<SB,SB*,THISLOC=THIS")
1586 private void hybrid(@LOC("THIS,LayerIIIDecoder.SI") int ch, @LOC("THIS,LayerIIIDecoder.SI") int gr) {
1588 @LOC("THIS,LayerIIIDecoder.SI1") int bt;
1589 @LOC("SB") int sb18;
1590 // gr_info_s gr_info = (si.ch[ch].gr[gr]); //remove alias
1591 // @LOC("THIS,LayerIIIDecoder.TS") float[] tsOut; //remove alias
1593 // float[][] prvblk;
1595 for (sb18 = 0; sb18 < 576; sb18 += 18) {
1597 ((si.ch[ch].gr[gr].window_switching_flag != 0)
1598 && (si.ch[ch].gr[gr].mixed_block_flag != 0) && (sb18 < 36)) ? 0
1599 : si.ch[ch].gr[gr].block_type;
1602 // Modif E.B 02/22/99
1603 for (@LOC("SB") int cc = 0; cc < 18; cc++)
1604 tsOutCopy[cc] = out_1d[cc + sb18];
1608 for (@LOC("SB") int cc = 0; cc < 18; cc++)
1609 out_1d[cc + sb18] = tsOutCopy[cc];
1613 // prvblk = prevblck; //eliminated unnecessary areas
1615 out_1d[0 + sb18] = rawout[0] + prevblck[ch][sb18 + 0];
1616 prevblck[ch][sb18 + 0] = rawout[18];
1617 out_1d[1 + sb18] = rawout[1] + prevblck[ch][sb18 + 1];
1618 prevblck[ch][sb18 + 1] = rawout[19];
1619 out_1d[2 + sb18] = rawout[2] + prevblck[ch][sb18 + 2];
1620 prevblck[ch][sb18 + 2] = rawout[20];
1621 out_1d[3 + sb18] = rawout[3] + prevblck[ch][sb18 + 3];
1622 prevblck[ch][sb18 + 3] = rawout[21];
1623 out_1d[4 + sb18] = rawout[4] + prevblck[ch][sb18 + 4];
1624 prevblck[ch][sb18 + 4] = rawout[22];
1625 out_1d[5 + sb18] = rawout[5] + prevblck[ch][sb18 + 5];
1626 prevblck[ch][sb18 + 5] = rawout[23];
1627 out_1d[6 + sb18] = rawout[6] + prevblck[ch][sb18 + 6];
1628 prevblck[ch][sb18 + 6] = rawout[24];
1629 out_1d[7 + sb18] = rawout[7] + prevblck[ch][sb18 + 7];
1630 prevblck[ch][sb18 + 7] = rawout[25];
1631 out_1d[8 + sb18] = rawout[8] + prevblck[ch][sb18 + 8];
1632 prevblck[ch][sb18 + 8] = rawout[26];
1633 out_1d[9 + sb18] = rawout[9] + prevblck[ch][sb18 + 9];
1634 prevblck[ch][sb18 + 9] = rawout[27];
1635 out_1d[10 + sb18] = rawout[10] + prevblck[ch][sb18 + 10];
1636 prevblck[ch][sb18 + 10] = rawout[28];
1637 out_1d[11 + sb18] = rawout[11] + prevblck[ch][sb18 + 11];
1638 prevblck[ch][sb18 + 11] = rawout[29];
1639 out_1d[12 + sb18] = rawout[12] + prevblck[ch][sb18 + 12];
1640 prevblck[ch][sb18 + 12] = rawout[30];
1641 out_1d[13 + sb18] = rawout[13] + prevblck[ch][sb18 + 13];
1642 prevblck[ch][sb18 + 13] = rawout[31];
1643 out_1d[14 + sb18] = rawout[14] + prevblck[ch][sb18 + 14];
1644 prevblck[ch][sb18 + 14] = rawout[32];
1645 out_1d[15 + sb18] = rawout[15] + prevblck[ch][sb18 + 15];
1646 prevblck[ch][sb18 + 15] = rawout[33];
1647 out_1d[16 + sb18] = rawout[16] + prevblck[ch][sb18 + 16];
1648 prevblck[ch][sb18 + 16] = rawout[34];
1649 out_1d[17 + sb18] = rawout[17] + prevblck[ch][sb18 + 17];
1650 prevblck[ch][sb18 + 17] = rawout[35];
1657 @LATTICE("THIS<SB,THIS<SS,SB<GLOBAL,SS<GLOBAL,SS*,SB*,THISLOC=THIS,GLOBALLOC=GLOBAL")
1658 private void do_downmix() {
1659 for (@LOC("SB") int sb = 0; sb < SSLIMIT; sb++) {
1660 for (@LOC("SS") int ss = 0; ss < SSLIMIT; ss += 3) {
1661 lr[0][sb][ss] = (lr[0][sb][ss] + lr[1][sb][ss]) * 0.5f;
1662 lr[0][sb][ss + 1] = (lr[0][sb][ss + 1] + lr[1][sb][ss + 1]) * 0.5f;
1663 lr[0][sb][ss + 2] = (lr[0][sb][ss + 2] + lr[1][sb][ss + 2]) * 0.5f;
1671 // @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,THISLOC=IN")
1672 // public void inv_mdct(@LOC("SH") float[] in, @LOC("OUT") float[] out,
1673 // @LOC("IN") int block_type) {//remove alias
1675 @LATTICE("THIS,THISLOC=THIS")
1676 public void inv_mdct(@LOC("THIS,LayerIIIDecoder.OUT") int block_type) {
1678 @LOC("THIS,LayerIIIDecoder.OUT") int i;
1680 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_0;
1681 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_1;
1682 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_2;
1683 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_3;
1684 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_4;
1685 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_5;
1686 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_6;
1687 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_7;
1688 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_8;
1689 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_9;
1690 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_10;
1691 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_11;
1692 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_12;
1693 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_13;
1694 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_14;
1695 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_15;
1696 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_16;
1697 @LOC("THIS,LayerIIIDecoder.OUT") float tmpf_17;
1714 tmpf_15 = tmpf_16 = tmpf_17 = 0.0f;
1716 if (block_type == 2) {
1720 * Under MicrosoftVM 2922, This causes a GPF, or At best, an
1721 * ArrayIndexOutOfBoundsExceptin. for(int p=0;p<36;p+=9) { out[p] =
1722 * out[p+1] = out[p+2] = out[p+3] = out[p+4] = out[p+5] = out[p+6] =
1723 * out[p+7] = out[p+8] = 0.0f; }
1762 @LOC("THIS,LayerIIIDecoder.OUT") int six_i = 0;
1764 for (i = 0; i < 3; i++) {
1766 // Begin 12 point IDCT
1767 // Input aliasing for 12 pt IDCT
1768 tsOutCopy[15 + i] += tsOutCopy[12 + i];
1769 tsOutCopy[12 + i] += tsOutCopy[9 + i];
1770 tsOutCopy[9 + i] += tsOutCopy[6 + i];
1771 tsOutCopy[6 + i] += tsOutCopy[3 + i];
1772 tsOutCopy[3 + i] += tsOutCopy[0 + i];
1774 // Input aliasing on odd indices (for 6 point IDCT)
1775 tsOutCopy[15 + i] += tsOutCopy[9 + i];
1776 tsOutCopy[9 + i] += tsOutCopy[3 + i];
1778 // 3 point IDCT on even indices
1779 @LOC("THIS,LayerIIIDecoder.OUT") float pp1;
1780 @LOC("THIS,LayerIIIDecoder.OUT") float pp2;
1781 @LOC("THIS,LayerIIIDecoder.OUT") float sum;
1782 pp2 = tsOutCopy[12 + i] * 0.500000000f;
1783 pp1 = tsOutCopy[6 + i] * 0.866025403f;
1784 sum = tsOutCopy[0 + i] + pp2;
1785 tmpf_1 = tsOutCopy[0 + i] - tsOutCopy[12 + i];
1789 // End 3 point IDCT on even indices
1790 // 3 point IDCT on odd indices (for 6 point IDCT)
1791 pp2 = tsOutCopy[15 + i] * 0.500000000f;
1792 pp1 = tsOutCopy[9 + i] * 0.866025403f;
1793 sum = tsOutCopy[3 + i] + pp2;
1794 tmpf_4 = tsOutCopy[3 + i] - tsOutCopy[15 + i];
1797 // End 3 point IDCT on odd indices
1798 // Twiddle factors on odd indices (for 6 point IDCT)
1800 tmpf_3 *= 1.931851653f;
1801 tmpf_4 *= 0.707106781f;
1802 tmpf_5 *= 0.517638090f;
1804 // Output butterflies on 2 3 point IDCT's (for 6 point IDCT)
1805 @LOC("THIS,LayerIIIDecoder.OUT") float save = tmpf_0;
1807 tmpf_5 = save - tmpf_5;
1810 tmpf_4 = save - tmpf_4;
1813 tmpf_3 = save - tmpf_3;
1816 // Twiddle factors on indices (for 12 point IDCT)
1818 tmpf_0 *= 0.504314480f;
1819 tmpf_1 *= 0.541196100f;
1820 tmpf_2 *= 0.630236207f;
1821 tmpf_3 *= 0.821339815f;
1822 tmpf_4 *= 1.306562965f;
1823 tmpf_5 *= 3.830648788f;
1825 // End 12 point IDCT
1827 // Shift to 12 point modified IDCT, multiply by window type 2
1828 tmpf_8 = -tmpf_0 * 0.793353340f;
1829 tmpf_9 = -tmpf_0 * 0.608761429f;
1830 tmpf_7 = -tmpf_1 * 0.923879532f;
1831 tmpf_10 = -tmpf_1 * 0.382683432f;
1832 tmpf_6 = -tmpf_2 * 0.991444861f;
1833 tmpf_11 = -tmpf_2 * 0.130526192f;
1836 tmpf_1 = tmpf_4 * 0.382683432f;
1837 tmpf_2 = tmpf_5 * 0.608761429f;
1839 tmpf_3 = -tmpf_5 * 0.793353340f;
1840 tmpf_4 = -tmpf_4 * 0.923879532f;
1841 tmpf_5 = -tmpf_0 * 0.991444861f;
1843 tmpf_0 *= 0.130526192f;
1845 rawout[six_i + 6] += tmpf_0;
1846 rawout[six_i + 7] += tmpf_1;
1847 rawout[six_i + 8] += tmpf_2;
1848 rawout[six_i + 9] += tmpf_3;
1849 rawout[six_i + 10] += tmpf_4;
1850 rawout[six_i + 11] += tmpf_5;
1851 rawout[six_i + 12] += tmpf_6;
1852 rawout[six_i + 13] += tmpf_7;
1853 rawout[six_i + 14] += tmpf_8;
1854 rawout[six_i + 15] += tmpf_9;
1855 rawout[six_i + 16] += tmpf_10;
1856 rawout[six_i + 17] += tmpf_11;
1862 // input aliasing for 36 point IDCT
1863 tsOutCopy[17] += tsOutCopy[16];
1864 tsOutCopy[16] += tsOutCopy[15];
1865 tsOutCopy[15] += tsOutCopy[14];
1866 tsOutCopy[14] += tsOutCopy[13];
1867 tsOutCopy[13] += tsOutCopy[12];
1868 tsOutCopy[12] += tsOutCopy[11];
1869 tsOutCopy[11] += tsOutCopy[10];
1870 tsOutCopy[10] += tsOutCopy[9];
1871 tsOutCopy[9] += tsOutCopy[8];
1872 tsOutCopy[8] += tsOutCopy[7];
1873 tsOutCopy[7] += tsOutCopy[6];
1874 tsOutCopy[6] += tsOutCopy[5];
1875 tsOutCopy[5] += tsOutCopy[4];
1876 tsOutCopy[4] += tsOutCopy[3];
1877 tsOutCopy[3] += tsOutCopy[2];
1878 tsOutCopy[2] += tsOutCopy[1];
1879 tsOutCopy[1] += tsOutCopy[0];
1881 // 18 point IDCT for odd indices
1882 // input aliasing for 18 point IDCT
1883 tsOutCopy[17] += tsOutCopy[15];
1884 tsOutCopy[15] += tsOutCopy[13];
1885 tsOutCopy[13] += tsOutCopy[11];
1886 tsOutCopy[11] += tsOutCopy[9];
1887 tsOutCopy[9] += tsOutCopy[7];
1888 tsOutCopy[7] += tsOutCopy[5];
1889 tsOutCopy[5] += tsOutCopy[3];
1890 tsOutCopy[3] += tsOutCopy[1];
1892 @LOC("THIS,LayerIIIDecoder.OUT") float tmp0;
1893 @LOC("THIS,LayerIIIDecoder.OUT") float tmp1;
1894 @LOC("THIS,LayerIIIDecoder.OUT") float tmp2;
1895 @LOC("THIS,LayerIIIDecoder.OUT") float tmp3;
1896 @LOC("THIS,LayerIIIDecoder.OUT") float tmp4;
1897 @LOC("THIS,LayerIIIDecoder.OUT") float tmp0_;
1898 @LOC("THIS,LayerIIIDecoder.OUT") float tmp1_;
1899 @LOC("THIS,LayerIIIDecoder.OUT") float tmp2_;
1900 @LOC("THIS,LayerIIIDecoder.OUT") float tmp3_;
1901 @LOC("THIS,LayerIIIDecoder.OUT") float tmp0o;
1902 @LOC("THIS,LayerIIIDecoder.OUT") float tmp1o;
1903 @LOC("THIS,LayerIIIDecoder.OUT") float tmp2o;
1904 @LOC("THIS,LayerIIIDecoder.OUT") float tmp3o;
1905 @LOC("THIS,LayerIIIDecoder.OUT") float tmp4o;
1906 @LOC("THIS,LayerIIIDecoder.OUT") float tmp0_o;
1907 @LOC("THIS,LayerIIIDecoder.OUT") float tmp1_o;
1908 @LOC("THIS,LayerIIIDecoder.OUT") float tmp2_o;
1909 @LOC("THIS,LayerIIIDecoder.OUT") float tmp3_o;
1911 // Fast 9 Point Inverse Discrete Cosine Transform
1913 // By Francois-Raymond Boyer
1914 // mailto:boyerf@iro.umontreal.ca
1915 // http://www.iro.umontreal.ca/~boyerf
1917 // The code has been optimized for Intel processors
1918 // (takes a lot of time to convert float to and from iternal FPU
1921 // It is a simple "factorization" of the IDCT matrix.
1923 // 9 point IDCT on even indices
1925 // 5 points on odd indices (not realy an IDCT)
1926 @LOC("THIS,LayerIIIDecoder.OUT") float i00 = tsOutCopy[0] + tsOutCopy[0];
1927 @LOC("THIS,LayerIIIDecoder.OUT") float iip12 = i00 + tsOutCopy[12];
1930 iip12 + tsOutCopy[4] * 1.8793852415718f + tsOutCopy[8] * 1.532088886238f + tsOutCopy[16]
1931 * 0.34729635533386f;
1932 tmp1 = i00 + tsOutCopy[4] - tsOutCopy[8] - tsOutCopy[12] - tsOutCopy[12] - tsOutCopy[16];
1934 iip12 - tsOutCopy[4] * 0.34729635533386f - tsOutCopy[8] * 1.8793852415718f
1935 + tsOutCopy[16] * 1.532088886238f;
1937 iip12 - tsOutCopy[4] * 1.532088886238f + tsOutCopy[8] * 0.34729635533386f - tsOutCopy[16]
1939 tmp4 = tsOutCopy[0] - tsOutCopy[4] + tsOutCopy[8] - tsOutCopy[12] + tsOutCopy[16];
1941 // 4 points on even indices
1942 @LOC("THIS,LayerIIIDecoder.OUT") float i66_ = tsOutCopy[6] * 1.732050808f; // Sqrt[3]
1945 tsOutCopy[2] * 1.9696155060244f + i66_ + tsOutCopy[10] * 1.2855752193731f + tsOutCopy[14]
1946 * 0.68404028665134f;
1947 tmp1_ = (tsOutCopy[2] - tsOutCopy[10] - tsOutCopy[14]) * 1.732050808f;
1949 tsOutCopy[2] * 1.2855752193731f - i66_ - tsOutCopy[10] * 0.68404028665134f
1950 + tsOutCopy[14] * 1.9696155060244f;
1952 tsOutCopy[2] * 0.68404028665134f - i66_ + tsOutCopy[10] * 1.9696155060244f
1953 - tsOutCopy[14] * 1.2855752193731f;
1955 // 9 point IDCT on odd indices
1956 // 5 points on odd indices (not realy an IDCT)
1957 @LOC("THIS,LayerIIIDecoder.OUT") float i0 = tsOutCopy[0 + 1] + tsOutCopy[0 + 1];
1958 @LOC("THIS,LayerIIIDecoder.OUT") float i0p12 = i0 + tsOutCopy[12 + 1];
1961 i0p12 + tsOutCopy[4 + 1] * 1.8793852415718f + tsOutCopy[8 + 1] * 1.532088886238f
1962 + tsOutCopy[16 + 1] * 0.34729635533386f;
1964 i0 + tsOutCopy[4 + 1] - tsOutCopy[8 + 1] - tsOutCopy[12 + 1] - tsOutCopy[12 + 1]
1965 - tsOutCopy[16 + 1];
1967 i0p12 - tsOutCopy[4 + 1] * 0.34729635533386f - tsOutCopy[8 + 1] * 1.8793852415718f
1968 + tsOutCopy[16 + 1] * 1.532088886238f;
1970 i0p12 - tsOutCopy[4 + 1] * 1.532088886238f + tsOutCopy[8 + 1] * 0.34729635533386f
1971 - tsOutCopy[16 + 1] * 1.8793852415718f;
1973 (tsOutCopy[0 + 1] - tsOutCopy[4 + 1] + tsOutCopy[8 + 1] - tsOutCopy[12 + 1] + tsOutCopy[16 + 1]) * 0.707106781f; // Twiddled
1975 // 4 points on even indices
1976 @LOC("THIS,LayerIIIDecoder.OUT") float i6_ = tsOutCopy[6 + 1] * 1.732050808f; // Sqrt[3]
1979 tsOutCopy[2 + 1] * 1.9696155060244f + i6_ + tsOutCopy[10 + 1] * 1.2855752193731f
1980 + tsOutCopy[14 + 1] * 0.68404028665134f;
1981 tmp1_o = (tsOutCopy[2 + 1] - tsOutCopy[10 + 1] - tsOutCopy[14 + 1]) * 1.732050808f;
1983 tsOutCopy[2 + 1] * 1.2855752193731f - i6_ - tsOutCopy[10 + 1] * 0.68404028665134f
1984 + tsOutCopy[14 + 1] * 1.9696155060244f;
1986 tsOutCopy[2 + 1] * 0.68404028665134f - i6_ + tsOutCopy[10 + 1] * 1.9696155060244f
1987 - tsOutCopy[14 + 1] * 1.2855752193731f;
1989 // Twiddle factors on odd indices
1991 // Butterflies on 9 point IDCT's
1993 // twiddle factors for 36 point IDCT
1995 @LOC("THIS,LayerIIIDecoder.OUT") float e;
1996 @LOC("THIS,LayerIIIDecoder.OUT") float o;
1998 o = (tmp0o + tmp0_o) * 0.501909918f;
2002 o = (tmp1o + tmp1_o) * 0.517638090f;
2006 o = (tmp2o + tmp2_o) * 0.551688959f;
2010 o = (tmp3o + tmp3_o) * 0.610387294f;
2013 tmpf_4 = tmp4 + tmp4o;
2014 tmpf_13 = tmp4 - tmp4o;
2016 o = (tmp3o - tmp3_o) * 0.871723397f;
2020 o = (tmp2o - tmp2_o) * 1.183100792f;
2024 o = (tmp1o - tmp1_o) * 1.931851653f;
2028 o = (tmp0o - tmp0_o) * 5.736856623f;
2032 // end 36 point IDCT */
2033 // shift to modified IDCT
2034 // win_bt = win[block_type]; //substituted this so that a new area does
2035 // not become created
2037 rawout[0] = -tmpf_9 * win[block_type][0];
2038 rawout[1] = -tmpf_10 * win[block_type][1];
2039 rawout[2] = -tmpf_11 * win[block_type][2];
2040 rawout[3] = -tmpf_12 * win[block_type][3];
2041 rawout[4] = -tmpf_13 * win[block_type][4];
2042 rawout[5] = -tmpf_14 * win[block_type][5];
2043 rawout[6] = -tmpf_15 * win[block_type][6];
2044 rawout[7] = -tmpf_16 * win[block_type][7];
2045 rawout[8] = -tmpf_17 * win[block_type][8];
2046 rawout[9] = tmpf_17 * win[block_type][9];
2047 rawout[10] = tmpf_16 * win[block_type][10];
2048 rawout[11] = tmpf_15 * win[block_type][11];
2049 rawout[12] = tmpf_14 * win[block_type][12];
2050 rawout[13] = tmpf_13 * win[block_type][13];
2051 rawout[14] = tmpf_12 * win[block_type][14];
2052 rawout[15] = tmpf_11 * win[block_type][15];
2053 rawout[16] = tmpf_10 * win[block_type][16];
2054 rawout[17] = tmpf_9 * win[block_type][17];
2055 rawout[18] = tmpf_8 * win[block_type][18];
2056 rawout[19] = tmpf_7 * win[block_type][19];
2057 rawout[20] = tmpf_6 * win[block_type][20];
2058 rawout[21] = tmpf_5 * win[block_type][21];
2059 rawout[22] = tmpf_4 * win[block_type][22];
2060 rawout[23] = tmpf_3 * win[block_type][23];
2061 rawout[24] = tmpf_2 * win[block_type][24];
2062 rawout[25] = tmpf_1 * win[block_type][25];
2063 rawout[26] = tmpf_0 * win[block_type][26];
2064 rawout[27] = tmpf_0 * win[block_type][27];
2065 rawout[28] = tmpf_1 * win[block_type][28];
2066 rawout[29] = tmpf_2 * win[block_type][29];
2067 rawout[30] = tmpf_3 * win[block_type][30];
2068 rawout[31] = tmpf_4 * win[block_type][31];
2069 rawout[32] = tmpf_5 * win[block_type][32];
2070 rawout[33] = tmpf_6 * win[block_type][33];
2071 rawout[34] = tmpf_7 * win[block_type][34];
2072 rawout[35] = tmpf_8 * win[block_type][35];
2078 private int counter = 0;
2079 private static final int SSLIMIT = 18;
2080 private static final int SBLIMIT = 32;
2082 // Size of the table of whole numbers raised to 4/3 power.
2083 // This may be adjusted for performance without any problems.
2084 // public static final int POW_TABLE_LIMIT=512;
2086 /************************************************************/
2088 /************************************************************/
2102 @LATTICE("THIS<IN,THISLOC=THIS")
2103 public SBI(@LOC("IN") int[] thel, @LOC("IN") int[] thes) {
2110 static class gr_info_s {
2112 public int part2_3_length = 0;
2114 public int big_values = 0;
2116 public int global_gain = 0;
2118 public int scalefac_compress = 0;
2120 public int window_switching_flag = 0;
2122 public int block_type = 0;
2124 public int mixed_block_flag = 0;
2126 public int[] table_select;
2128 public int[] subblock_gain;
2130 public int region0_count = 0;
2132 public int region1_count = 0;
2134 public int preflag = 0;
2136 public int scalefac_scale = 0;
2138 public int count1table_select = 0;
2143 public gr_info_s() {
2144 table_select = new int[3];
2145 subblock_gain = new int[3];
2149 @LATTICE("GR2<GR1,GR1<GR,GR2*")
2150 static class temporaire {
2154 public gr_info_s[] gr;
2159 public temporaire() {
2161 gr = new gr_info_s[2];
2162 gr[0] = new gr_info_s();
2163 gr[1] = new gr_info_s();
2168 static class III_side_info_t {
2171 public int main_data_begin = 0;
2173 public int private_bits = 0;
2175 public temporaire[] ch;
2180 public III_side_info_t() {
2181 ch = new temporaire[2];
2182 ch[0] = new temporaire();
2183 ch[1] = new temporaire();
2188 static class temporaire2 {
2190 public int[] l; /* [cb] */
2192 public int[][] s; /* [window][cb] */
2197 public temporaire2() {
2203 // class III_scalefac_t
2205 // public temporaire2[] tab;
2207 // * Dummy Constructor
2209 // public III_scalefac_t()
2211 // tab = new temporaire2[2];
2215 private static final int slen[][] = { { 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
2216 { 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 } };
2218 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,
2222 private SBI[] sfBandIndex; // Init in the constructor.
2224 public static final float two_to_negative_half_pow[] = { 1.0000000000E+00f, 7.0710678119E-01f,
2225 5.0000000000E-01f, 3.5355339059E-01f, 2.5000000000E-01f, 1.7677669530E-01f,
2226 1.2500000000E-01f, 8.8388347648E-02f, 6.2500000000E-02f, 4.4194173824E-02f,
2227 3.1250000000E-02f, 2.2097086912E-02f, 1.5625000000E-02f, 1.1048543456E-02f,
2228 7.8125000000E-03f, 5.5242717280E-03f, 3.9062500000E-03f, 2.7621358640E-03f,
2229 1.9531250000E-03f, 1.3810679320E-03f, 9.7656250000E-04f, 6.9053396600E-04f,
2230 4.8828125000E-04f, 3.4526698300E-04f, 2.4414062500E-04f, 1.7263349150E-04f,
2231 1.2207031250E-04f, 8.6316745750E-05f, 6.1035156250E-05f, 4.3158372875E-05f,
2232 3.0517578125E-05f, 2.1579186438E-05f, 1.5258789062E-05f, 1.0789593219E-05f,
2233 7.6293945312E-06f, 5.3947966094E-06f, 3.8146972656E-06f, 2.6973983047E-06f,
2234 1.9073486328E-06f, 1.3486991523E-06f, 9.5367431641E-07f, 6.7434957617E-07f,
2235 4.7683715820E-07f, 3.3717478809E-07f, 2.3841857910E-07f, 1.6858739404E-07f,
2236 1.1920928955E-07f, 8.4293697022E-08f, 5.9604644775E-08f, 4.2146848511E-08f,
2237 2.9802322388E-08f, 2.1073424255E-08f, 1.4901161194E-08f, 1.0536712128E-08f,
2238 7.4505805969E-09f, 5.2683560639E-09f, 3.7252902985E-09f, 2.6341780319E-09f,
2239 1.8626451492E-09f, 1.3170890160E-09f, 9.3132257462E-10f, 6.5854450798E-10f,
2240 4.6566128731E-10f, 3.2927225399E-10f };
2242 public static final float t_43[] = create_t_43();
2245 static private float[] create_t_43() {
2246 @LOC("OUT") float[] t43 = new float[8192];
2247 final double d43 = (4.0 / 3.0);
2249 for (@LOC("SH") int i = 0; i < 8192; i++) {
2250 t43[i] = (float) Math.pow(i, d43);
2255 public static final float io[][] = {
2256 { 1.0000000000E+00f, 8.4089641526E-01f, 7.0710678119E-01f, 5.9460355751E-01f,
2257 5.0000000001E-01f, 4.2044820763E-01f, 3.5355339060E-01f, 2.9730177876E-01f,
2258 2.5000000001E-01f, 2.1022410382E-01f, 1.7677669530E-01f, 1.4865088938E-01f,
2259 1.2500000000E-01f, 1.0511205191E-01f, 8.8388347652E-02f, 7.4325444691E-02f,
2260 6.2500000003E-02f, 5.2556025956E-02f, 4.4194173826E-02f, 3.7162722346E-02f,
2261 3.1250000002E-02f, 2.6278012978E-02f, 2.2097086913E-02f, 1.8581361173E-02f,
2262 1.5625000001E-02f, 1.3139006489E-02f, 1.1048543457E-02f, 9.2906805866E-03f,
2263 7.8125000006E-03f, 6.5695032447E-03f, 5.5242717285E-03f, 4.6453402934E-03f },
2264 { 1.0000000000E+00f, 7.0710678119E-01f, 5.0000000000E-01f, 3.5355339060E-01f,
2265 2.5000000000E-01f, 1.7677669530E-01f, 1.2500000000E-01f, 8.8388347650E-02f,
2266 6.2500000001E-02f, 4.4194173825E-02f, 3.1250000001E-02f, 2.2097086913E-02f,
2267 1.5625000000E-02f, 1.1048543456E-02f, 7.8125000002E-03f, 5.5242717282E-03f,
2268 3.9062500001E-03f, 2.7621358641E-03f, 1.9531250001E-03f, 1.3810679321E-03f,
2269 9.7656250004E-04f, 6.9053396603E-04f, 4.8828125002E-04f, 3.4526698302E-04f,
2270 2.4414062501E-04f, 1.7263349151E-04f, 1.2207031251E-04f, 8.6316745755E-05f,
2271 6.1035156254E-05f, 4.3158372878E-05f, 3.0517578127E-05f, 2.1579186439E-05f } };
2273 public static final float TAN12[] = { 0.0f, 0.26794919f, 0.57735027f, 1.0f, 1.73205081f,
2274 3.73205081f, 9.9999999e10f, -3.73205081f, -1.73205081f, -1.0f, -0.57735027f, -0.26794919f,
2275 0.0f, 0.26794919f, 0.57735027f, 1.0f };
2277 // REVIEW: in java, the array lookup may well be slower than
2278 // the actual calculation
2281 * private static final int ss_div[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2282 * 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,
2283 * 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,
2284 * 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,
2285 * 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,
2286 * 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,
2287 * 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,
2288 * 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10,
2289 * 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11,
2290 * 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
2291 * 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13,
2292 * 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14,
2293 * 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
2294 * 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
2295 * 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
2296 * 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
2297 * 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
2298 * 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
2299 * 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
2300 * 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
2301 * 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
2302 * 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25,
2303 * 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26,
2304 * 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27,
2305 * 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28,
2306 * 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29,
2307 * 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30,
2308 * 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31,
2309 * 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31 };
2311 * // 576 % 18 private static final int ss_mod[] = { 0, 1, 2, 3, 4, 5, 6, 7,
2312 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2313 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
2314 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
2315 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
2316 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
2317 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2318 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
2319 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
2320 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
2321 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
2322 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2323 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
2324 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
2325 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
2326 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
2327 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2328 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
2329 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
2330 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
2331 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
2332 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2333 * 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
2334 * 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
2335 * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3,
2336 * 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7,
2337 * 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
2338 * 12, 13, 14, 15, 16, 17 };
2341 private static/* final */int reorder_table[][]/* = loadReorderTable() */; // SZD:
2350 * Loads the data for the reorder
2353 * private static int[][] loadReorderTable() // SZD: table will be generated {
2354 * try { Class elemType = int[][].class.getComponentType(); Object o =
2355 * JavaLayerUtils.deserializeArrayResource("l3reorder.ser", elemType, 6);
2356 * return (int[][])o; } catch (IOException ex) { throw new
2357 * ExceptionInInitializerError(ex); } }
2359 @LATTICE("OUT<J,J<I,I<SE,I<WIN,SE<SF,SE<SFB,WIN<SFB,J*,I*,WIN*,SFB*")
2360 static int[] reorder(@LOC("SF") int scalefac_band[]) { // SZD: converted from
2362 @LOC("J") int j = 0;
2363 @LOC("OUT") int ix[] = new int[576];
2364 for (int sfb = 0; sfb < 13; sfb++) {
2365 int start = scalefac_band[sfb];
2366 int end = scalefac_band[sfb + 1];
2367 for (int window = 0; window < 3; window++)
2368 for (int i = start; i < end; i++)
2369 ix[3 * i + window] = j++;
2375 * static final int reorder_table_data[][]; = { { 0, 4, 8, 1, 5, 9, 2, 6, 10,
2376 * 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19, 23, 24, 28, 32, 25,
2377 * 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49, 38, 44, 50, 39, 45,
2378 * 51, 40, 46, 52, 41, 47, 53, 54, 60, 66, 55, 61, 67, 56, 62, 68, 57, 63, 69,
2379 * 58, 64, 70, 59, 65, 71, 72, 80, 88, 73, 81, 89, 74, 82, 90, 75, 83, 91, 76,
2380 * 84, 92, 77, 85, 93, 78, 86, 94, 79, 87, 95, 96,106,116, 97,107,117,
2381 * 98,108,118, 99,109,119,100,110,120,101,
2382 * 111,121,102,112,122,103,113,123,104,114,124,105,115,125,126,140,
2383 * 154,127,141,155,128,142,156,129,143,157,130,144,158,131,145,159,
2384 * 132,146,160,133,147,161,134,148,162,135,149,163,136,150,164,137,
2385 * 151,165,138,152,166,139,153,167,168,186,204,169,187,205,170,188,
2386 * 206,171,189,207,172,190,208,173,191,209,174,192,210,175,193,211,
2387 * 176,194,212,177,195,213,178,196,214,179,197,215,180,198,216,181,
2388 * 199,217,182,200,218,183,201,219,184,202,220,185,203,221,222,248,
2389 * 274,223,249,275,224,250,276,225,251,277,226,252,278,227,253,279,
2390 * 228,254,280,229,255,281,230,256,282,231,257,283,232,258,284,233,
2391 * 259,285,234,260,286,235,261,287,236,262,288,237,263,289,238,264,
2392 * 290,239,265,291,240,266,292,241,267,293,242,268,294,243,269,295,
2393 * 244,270,296,245,271,297,246,272,298,247,273,299,300,332,364,301,
2394 * 333,365,302,334,366,303,335,367,304,336,368,305,337,369,306,338,
2395 * 370,307,339,371,308,340,372,309,341,373,310,342,374,311,343,375,
2396 * 312,344,376,313,345,377,314,346,378,315,347,379,316,348,380,317,
2397 * 349,381,318,350,382,319,351,383,320,352,384,321,353,385,322,354,
2398 * 386,323,355,387,324,356,388,325,357,389,326,358,390,327,359,391,
2399 * 328,360,392,329,361,393,330,362,394,331,363,395,396,438,480,397,
2400 * 439,481,398,440,482,399,441,483,400,442,484,401,443,485,402,444,
2401 * 486,403,445,487,404,446,488,405,447,489,406,448,490,407,449,491,
2402 * 408,450,492,409,451,493,410,452,494,411,453,495,412,454,496,413,
2403 * 455,497,414,456,498,415,457,499,416,458,500,417,459,501,418,460,
2404 * 502,419,461,503,420,462,504,421,463,505,422,464,506,423,465,507,
2405 * 424,466,508,425,467,509,426,468,510,427,469,511,428,470,512,429,
2406 * 471,513,430,472,514,431,473,515,432,474,516,433,475,517,434,476,
2407 * 518,435,477,519,436,478,520,437,479,521,522,540,558,523,541,559,
2408 * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,
2409 * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,
2410 * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,
2411 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
2412 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,
2413 * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,
2414 * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,
2415 * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,
2416 * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,
2417 * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,
2418 * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,
2419 * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,
2420 * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,
2421 * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,
2422 * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,
2423 * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,
2424 * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,
2425 * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,
2426 * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,
2427 * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,
2428 * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,
2429 * 285,309,262,286,310,263,287,311,312,344,376,313,345,377,314,346,
2430 * 378,315,347,379,316,348,380,317,349,381,318,350,382,319,351,383,
2431 * 320,352,384,321,353,385,322,354,386,323,355,387,324,356,388,325,
2432 * 357,389,326,358,390,327,359,391,328,360,392,329,361,393,330,362,
2433 * 394,331,363,395,332,364,396,333,365,397,334,366,398,335,367,399,
2434 * 336,368,400,337,369,401,338,370,402,339,371,403,340,372,404,341,
2435 * 373,405,342,374,406,343,375,407,408,452,496,409,453,497,410,454,
2436 * 498,411,455,499,412,456,500,413,457,501,414,458,502,415,459,503,
2437 * 416,460,504,417,461,505,418,462,506,419,463,507,420,464,508,421,
2438 * 465,509,422,466,510,423,467,511,424,468,512,425,469,513,426,470,
2439 * 514,427,471,515,428,472,516,429,473,517,430,474,518,431,475,519,
2440 * 432,476,520,433,477,521,434,478,522,435,479,523,436,480,524,437,
2441 * 481,525,438,482,526,439,483,527,440,484,528,441,485,529,442,486,
2442 * 530,443,487,531,444,488,532,445,489,533,446,490,534,447,491,535,
2443 * 448,492,536,449,493,537,450,494,538,451,495,539,540,552,564,541,
2444 * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,
2445 * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575}, { 0, 4,
2446 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
2447 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 42, 48, 37, 43, 49,
2448 * 38, 44, 50, 39, 45, 51, 40, 46, 52, 41, 47, 53, 54, 62, 70, 55, 63, 71, 56,
2449 * 64, 72, 57, 65, 73, 58, 66, 74, 59, 67, 75, 60, 68, 76, 61, 69, 77, 78, 88,
2450 * 98, 79, 89, 99, 80, 90,100, 81, 91,101, 82, 92,102, 83, 93,103, 84, 94,104,
2451 * 85, 95,105, 86, 96,106, 87, 97,107,108,120,132,109,
2452 * 121,133,110,122,134,111,123,135,112,124,136,113,125,137,114,126,
2453 * 138,115,127,139,116,128,140,117,129,141,118,130,142,119,131,143,
2454 * 144,158,172,145,159,173,146,160,174,147,161,175,148,162,176,149,
2455 * 163,177,150,164,178,151,165,179,152,166,180,153,167,181,154,168,
2456 * 182,155,169,183,156,170,184,157,171,185,186,204,222,187,205,223,
2457 * 188,206,224,189,207,225,190,208,226,191,209,227,192,210,228,193,
2458 * 211,229,194,212,230,195,213,231,196,214,232,197,215,233,198,216,
2459 * 234,199,217,235,200,218,236,201,219,237,202,220,238,203,221,239,
2460 * 240,264,288,241,265,289,242,266,290,243,267,291,244,268,292,245,
2461 * 269,293,246,270,294,247,271,295,248,272,296,249,273,297,250,274,
2462 * 298,251,275,299,252,276,300,253,277,301,254,278,302,255,279,303,
2463 * 256,280,304,257,281,305,258,282,306,259,283,307,260,284,308,261,
2464 * 285,309,262,286,310,263,287,311,312,342,372,313,343,373,314,344,
2465 * 374,315,345,375,316,346,376,317,347,377,318,348,378,319,349,379,
2466 * 320,350,380,321,351,381,322,352,382,323,353,383,324,354,384,325,
2467 * 355,385,326,356,386,327,357,387,328,358,388,329,359,389,330,360,
2468 * 390,331,361,391,332,362,392,333,363,393,334,364,394,335,365,395,
2469 * 336,366,396,337,367,397,338,368,398,339,369,399,340,370,400,341,
2470 * 371,401,402,442,482,403,443,483,404,444,484,405,445,485,406,446,
2471 * 486,407,447,487,408,448,488,409,449,489,410,450,490,411,451,491,
2472 * 412,452,492,413,453,493,414,454,494,415,455,495,416,456,496,417,
2473 * 457,497,418,458,498,419,459,499,420,460,500,421,461,501,422,462,
2474 * 502,423,463,503,424,464,504,425,465,505,426,466,506,427,467,507,
2475 * 428,468,508,429,469,509,430,470,510,431,471,511,432,472,512,433,
2476 * 473,513,434,474,514,435,475,515,436,476,516,437,477,517,438,478,
2477 * 518,439,479,519,440,480,520,441,481,521,522,540,558,523,541,559,
2478 * 524,542,560,525,543,561,526,544,562,527,545,563,528,546,564,529,
2479 * 547,565,530,548,566,531,549,567,532,550,568,533,551,569,534,552,
2480 * 570,535,553,571,536,554,572,537,555,573,538,556,574,539,557,575}, { 0, 4,
2481 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
2482 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
2483 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
2484 * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,
2485 * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,100,110, 91,101,111, 92,102,112,
2486 * 93,103,113, 94,104,114, 95,105,115, 96,106,116, 97, 107,117, 98,108,118,
2487 * 99,109,119,120,132,144,121,133,145,122,134,
2488 * 146,123,135,147,124,136,148,125,137,149,126,138,150,127,139,151,
2489 * 128,140,152,129,141,153,130,142,154,131,143,155,156,170,184,157,
2490 * 171,185,158,172,186,159,173,187,160,174,188,161,175,189,162,176,
2491 * 190,163,177,191,164,178,192,165,179,193,166,180,194,167,181,195,
2492 * 168,182,196,169,183,197,198,216,234,199,217,235,200,218,236,201,
2493 * 219,237,202,220,238,203,221,239,204,222,240,205,223,241,206,224,
2494 * 242,207,225,243,208,226,244,209,227,245,210,228,246,211,229,247,
2495 * 212,230,248,213,231,249,214,232,250,215,233,251,252,274,296,253,
2496 * 275,297,254,276,298,255,277,299,256,278,300,257,279,301,258,280,
2497 * 302,259,281,303,260,282,304,261,283,305,262,284,306,263,285,307,
2498 * 264,286,308,265,287,309,266,288,310,267,289,311,268,290,312,269,
2499 * 291,313,270,292,314,271,293,315,272,294,316,273,295,317,318,348,
2500 * 378,319,349,379,320,350,380,321,351,381,322,352,382,323,353,383,
2501 * 324,354,384,325,355,385,326,356,386,327,357,387,328,358,388,329,
2502 * 359,389,330,360,390,331,361,391,332,362,392,333,363,393,334,364,
2503 * 394,335,365,395,336,366,396,337,367,397,338,368,398,339,369,399,
2504 * 340,370,400,341,371,401,342,372,402,343,373,403,344,374,404,345,
2505 * 375,405,346,376,406,347,377,407,408,464,520,409,465,521,410,466,
2506 * 522,411,467,523,412,468,524,413,469,525,414,470,526,415,471,527,
2507 * 416,472,528,417,473,529,418,474,530,419,475,531,420,476,532,421,
2508 * 477,533,422,478,534,423,479,535,424,480,536,425,481,537,426,482,
2509 * 538,427,483,539,428,484,540,429,485,541,430,486,542,431,487,543,
2510 * 432,488,544,433,489,545,434,490,546,435,491,547,436,492,548,437,
2511 * 493,549,438,494,550,439,495,551,440,496,552,441,497,553,442,498,
2512 * 554,443,499,555,444,500,556,445,501,557,446,502,558,447,503,559,
2513 * 448,504,560,449,505,561,450,506,562,451,507,563,452,508,564,453,
2514 * 509,565,454,510,566,455,511,567,456,512,568,457,513,569,458,514,
2515 * 570,459,515,571,460,516,572,461,517,573,462,518,574,463,519,575}, { 0, 4,
2516 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
2517 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
2518 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
2519 * 58, 64, 53, 59, 65, 66, 72, 78, 67, 73, 79, 68, 74, 80, 69, 75, 81, 70, 76,
2520 * 82, 71, 77, 83, 84, 94,104, 85, 95,105, 86, 96,106, 87, 97,107, 88, 98,108,
2521 * 89, 99,109, 90,100,110, 91,101,111, 92,102,112, 93,
2522 * 103,113,114,126,138,115,127,139,116,128,140,117,129,141,118,130,
2523 * 142,119,131,143,120,132,144,121,133,145,122,134,146,123,135,147,
2524 * 124,136,148,125,137,149,150,164,178,151,165,179,152,166,180,153,
2525 * 167,181,154,168,182,155,169,183,156,170,184,157,171,185,158,172,
2526 * 186,159,173,187,160,174,188,161,175,189,162,176,190,163,177,191,
2527 * 192,208,224,193,209,225,194,210,226,195,211,227,196,212,228,197,
2528 * 213,229,198,214,230,199,215,231,200,216,232,201,217,233,202,218,
2529 * 234,203,219,235,204,220,236,205,221,237,206,222,238,207,223,239,
2530 * 240,260,280,241,261,281,242,262,282,243,263,283,244,264,284,245,
2531 * 265,285,246,266,286,247,267,287,248,268,288,249,269,289,250,270,
2532 * 290,251,271,291,252,272,292,253,273,293,254,274,294,255,275,295,
2533 * 256,276,296,257,277,297,258,278,298,259,279,299,300,326,352,301,
2534 * 327,353,302,328,354,303,329,355,304,330,356,305,331,357,306,332,
2535 * 358,307,333,359,308,334,360,309,335,361,310,336,362,311,337,363,
2536 * 312,338,364,313,339,365,314,340,366,315,341,367,316,342,368,317,
2537 * 343,369,318,344,370,319,345,371,320,346,372,321,347,373,322,348,
2538 * 374,323,349,375,324,350,376,325,351,377,378,444,510,379,445,511,
2539 * 380,446,512,381,447,513,382,448,514,383,449,515,384,450,516,385,
2540 * 451,517,386,452,518,387,453,519,388,454,520,389,455,521,390,456,
2541 * 522,391,457,523,392,458,524,393,459,525,394,460,526,395,461,527,
2542 * 396,462,528,397,463,529,398,464,530,399,465,531,400,466,532,401,
2543 * 467,533,402,468,534,403,469,535,404,470,536,405,471,537,406,472,
2544 * 538,407,473,539,408,474,540,409,475,541,410,476,542,411,477,543,
2545 * 412,478,544,413,479,545,414,480,546,415,481,547,416,482,548,417,
2546 * 483,549,418,484,550,419,485,551,420,486,552,421,487,553,422,488,
2547 * 554,423,489,555,424,490,556,425,491,557,426,492,558,427,493,559,
2548 * 428,494,560,429,495,561,430,496,562,431,497,563,432,498,564,433,
2549 * 499,565,434,500,566,435,501,567,436,502,568,437,503,569,438,504,
2550 * 570,439,505,571,440,506,572,441,507,573,442,508,574,443,509,575}, { 0, 4,
2551 * 8, 1, 5, 9, 2, 6, 10, 3, 7, 11, 12, 16, 20, 13, 17, 21, 14, 18, 22, 15, 19,
2552 * 23, 24, 28, 32, 25, 29, 33, 26, 30, 34, 27, 31, 35, 36, 40, 44, 37, 41, 45,
2553 * 38, 42, 46, 39, 43, 47, 48, 54, 60, 49, 55, 61, 50, 56, 62, 51, 57, 63, 52,
2554 * 58, 64, 53, 59, 65, 66, 74, 82, 67, 75, 83, 68, 76, 84, 69, 77, 85, 70, 78,
2555 * 86, 71, 79, 87, 72, 80, 88, 73, 81, 89, 90,102,114, 91,103,115, 92,104,116,
2556 * 93,105,117, 94,106,118, 95,107,119, 96,108,120, 97, 109,121, 98,110,122,
2557 * 99,111,123,100,112,124,101,113,125,126,142,
2558 * 158,127,143,159,128,144,160,129,145,161,130,146,162,131,147,163,
2559 * 132,148,164,133,149,165,134,150,166,135,151,167,136,152,168,137,
2560 * 153,169,138,154,170,139,155,171,140,156,172,141,157,173,174,194,
2561 * 214,175,195,215,176,196,216,177,197,217,178,198,218,179,199,219,
2562 * 180,200,220,181,201,221,182,202,222,183,203,223,184,204,224,185,
2563 * 205,225,186,206,226,187,207,227,188,208,228,189,209,229,190,210,
2564 * 230,191,211,231,192,212,232,193,213,233,234,260,286,235,261,287,
2565 * 236,262,288,237,263,289,238,264,290,239,265,291,240,266,292,241,
2566 * 267,293,242,268,294,243,269,295,244,270,296,245,271,297,246,272,
2567 * 298,247,273,299,248,274,300,249,275,301,250,276,302,251,277,303,
2568 * 252,278,304,253,279,305,254,280,306,255,281,307,256,282,308,257,
2569 * 283,309,258,284,310,259,285,311,312,346,380,313,347,381,314,348,
2570 * 382,315,349,383,316,350,384,317,351,385,318,352,386,319,353,387,
2571 * 320,354,388,321,355,389,322,356,390,323,357,391,324,358,392,325,
2572 * 359,393,326,360,394,327,361,395,328,362,396,329,363,397,330,364,
2573 * 398,331,365,399,332,366,400,333,367,401,334,368,402,335,369,403,
2574 * 336,370,404,337,371,405,338,372,406,339,373,407,340,374,408,341,
2575 * 375,409,342,376,410,343,377,411,344,378,412,345,379,413,414,456,
2576 * 498,415,457,499,416,458,500,417,459,501,418,460,502,419,461,503,
2577 * 420,462,504,421,463,505,422,464,506,423,465,507,424,466,508,425,
2578 * 467,509,426,468,510,427,469,511,428,470,512,429,471,513,430,472,
2579 * 514,431,473,515,432,474,516,433,475,517,434,476,518,435,477,519,
2580 * 436,478,520,437,479,521,438,480,522,439,481,523,440,482,524,441,
2581 * 483,525,442,484,526,443,485,527,444,486,528,445,487,529,446,488,
2582 * 530,447,489,531,448,490,532,449,491,533,450,492,534,451,493,535,
2583 * 452,494,536,453,495,537,454,496,538,455,497,539,540,552,564,541,
2584 * 553,565,542,554,566,543,555,567,544,556,568,545,557,569,546,558,
2585 * 570,547,559,571,548,560,572,549,561,573,550,562,574,551,563,575} };
2588 private static final float cs[] = { 0.857492925712f, 0.881741997318f, 0.949628649103f,
2589 0.983314592492f, 0.995517816065f, 0.999160558175f, 0.999899195243f, 0.999993155067f };
2591 private static final float ca[] = { -0.5144957554270f, -0.4717319685650f, -0.3133774542040f,
2592 -0.1819131996110f, -0.0945741925262f, -0.0409655828852f, -0.0141985685725f,
2593 -0.00369997467375f };
2595 /************************************************************/
2596 /* END OF L3TABLE */
2597 /************************************************************/
2599 /************************************************************/
2601 /************************************************************/
2603 /***************************************************************/
2605 /***************************************************************/
2607 /***************************************************************/
2609 /***************************************************************/
2610 public static final float win[][] = {
2611 { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,
2612 -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,
2613 -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,
2614 -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,
2615 -4.0715656898E-01f, -3.6969460527E-01f, -3.3876269197E-01f, -3.1242222492E-01f,
2616 -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,
2617 -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,
2618 -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,
2619 -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f },
2621 { -1.6141214951E-02f, -5.3603178919E-02f, -1.0070713296E-01f, -1.6280817573E-01f,
2622 -4.9999999679E-01f, -3.8388735032E-01f, -6.2061144372E-01f, -1.1659756083E+00f,
2623 -3.8720752656E+00f, -4.2256286556E+00f, -1.5195289984E+00f, -9.7416483388E-01f,
2624 -7.3744074053E-01f, -1.2071067773E+00f, -5.1636156596E-01f, -4.5426052317E-01f,
2625 -4.0715656898E-01f, -3.6969460527E-01f, -3.3908542600E-01f, -3.1511810350E-01f,
2626 -2.9642226150E-01f, -2.8184548650E-01f, -5.4119610000E-01f, -2.6213228100E-01f,
2627 -2.5387916537E-01f, -2.3296291359E-01f, -1.9852728987E-01f, -1.5233534808E-01f,
2628 -9.6496400054E-02f, -3.3423828516E-02f, 0.0000000000E+00f, 0.0000000000E+00f,
2629 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },
2631 { -4.8300800645E-02f, -1.5715656932E-01f, -2.8325045177E-01f, -4.2953747763E-01f,
2632 -1.2071067795E+00f, -8.2426483178E-01f, -1.1451749106E+00f, -1.7695290101E+00f,
2633 -4.5470225061E+00f, -3.4890531002E+00f, -7.3296292804E-01f, -1.5076514758E-01f,
2634 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2635 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2636 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2637 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2638 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2639 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f },
2641 { 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f, 0.0000000000E+00f,
2642 0.0000000000E+00f, 0.0000000000E+00f, -1.5076513660E-01f, -7.3296291107E-01f,
2643 -3.4890530566E+00f, -4.5470224727E+00f, -1.7695290031E+00f, -1.1451749092E+00f,
2644 -8.3137738100E-01f, -1.3065629650E+00f, -5.4142014250E-01f, -4.6528974900E-01f,
2645 -4.1066990750E-01f, -3.7004680800E-01f, -3.3876269197E-01f, -3.1242222492E-01f,
2646 -2.8939587111E-01f, -2.6880081906E-01f, -5.0000000266E-01f, -2.3251417468E-01f,
2647 -2.1596714708E-01f, -2.0004979098E-01f, -1.8449493497E-01f, -1.6905846094E-01f,
2648 -1.5350360518E-01f, -1.3758624925E-01f, -1.2103922149E-01f, -2.0710679058E-01f,
2649 -8.4752577594E-02f, -6.4157525656E-02f, -4.1131172614E-02f, -1.4790705759E-02f } };
2651 /***************************************************************/
2652 /* END OF INV_MDCT */
2653 /***************************************************************/
2666 @LATTICE("THIS<IN,THISLOC=THIS")
2667 public Sftable(@LOC("IN") int[] thel, @LOC("IN") int[] thes) {
2674 public Sftable sftable;
2676 public static final int nr_of_sfb_block[][][] = {
2677 { { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } },
2678 { { 6, 5, 7, 3 }, { 9, 9, 12, 6 }, { 6, 9, 12, 6 } },
2679 { { 11, 10, 0, 0 }, { 18, 18, 0, 0 }, { 15, 18, 0, 0 } },
2680 { { 7, 7, 7, 0 }, { 12, 12, 12, 0 }, { 6, 15, 12, 0 } },
2681 { { 6, 6, 6, 3 }, { 12, 9, 9, 6 }, { 6, 12, 9, 6 } },
2682 { { 8, 8, 5, 0 }, { 15, 12, 9, 0 }, { 6, 18, 9, 0 } } };