// 10th added for get_scale_factors
// llth added for decode
// @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")
-@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")
+@LATTICE("SI0*,INIT*,ISR*,ISP*,HD<CH0,LR<ISR,ISR<ISP,SI1<SF2,NS*,CH0<ST,ST<INIT,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<SI0,SI0<SF15,SF15<SF1,BR1<NZ,NZ<BR,SI1<RT,RT<SBI,SBI<SI,BUF<FT,SF1<HD1,SF1<HD1,FT<SP,SP<OUT,OUT<SI1,SI1<SI,SFB_SH<BR1,BR1<BR,HD1<HD,OUT*,BR1*,SI1*,CH0*")
@METHODDEFAULT("OUT<V,V<THIS,THIS<SH,SH<IN,SH*,THISLOC=THIS,GLOBALLOC=IN,RETURNLOC=OUT")
final class LayerIIIDecoder implements FrameDecoder {
static final double d43 = (4.0 / 3.0);
private float[][] k;
@LOC("NZ")
private int[] nonzero;
- // @LOC("HD")
- // private Header header;
@LOC("FT")
private SynthesisFilter filter1;
@LOC("FT")
@LOC("SBI")
private int sfreq;
- @LOC("ST")
+ @LOC("BR1")
private int part2_start;
- @LOC("ST")
+ @LOC("INIT")
private boolean initialized = false;
// constructor for the linear type system
reorder_table[i] = reorder(sfBandIndex[i].s);
}
- // Sftable
- @LOC("VAR") int[] ll0 = { 0, 6, 11, 16, 21 };
- @LOC("VAR") int[] ss0 = { 0, 6, 12 };
- sftable = new Sftable(ll0, ss0);
- // END OF Sftable
-
// scalefac_buffer
scalefac_buffer = new int[54];
// END OF scalefac_buffer
}
@LATTICE("THIS<C,THIS<IN,C*,THISLOC=THIS")
- private void init(@LOC("IN") Header header) {
+ private void init(@LOC("THIS,LayerIIIDecoder.HD1") Header header) {
frame_start = 0;
channels = (header.mode() == Header.SINGLE_CHANNEL) ? 1 : 2;
first_channel = last_channel = 0;
}
- for (@LOC("C") int ch = 0; ch < 2; ch++)
- for (@LOC("C") int j = 0; j < 576; j++)
+ for (@LOC("THIS,LayerIIIDecoder.CH0") int ch = 0; ch < 2; ch++)
+ for (@LOC("THIS,LayerIIIDecoder.CH0") int j = 0; j < 576; j++)
prevblck[ch][j] = 0.0f;
nonzero[0] = nonzero[1] = 576;
* {filter1,filter2}
*/
// @LATTICE("BYTE<THIS,THIS<MAIN,MAIN<VAR,THIS<GR,GR<VAR,BYTE*,GR*,THISLOC=THIS,GLOBALLOC=VAR")
- @LATTICE("VAR<THIS,C<THIS,THIS<IN,THISLOC=THIS,C*,VAR*")
- public void decode(@LOC("IN") Header header) {
+ @LATTICE("HEADER<VAR,VAR<THIS,C<THIS,THIS<IN,THISLOC=THIS,C*,VAR*")
+ public void decode(@LOC("THIS,LayerIIIDecoder.HD") Header header) {
if (!initialized) {
init(header);
get_side_info(header);
br = header.getBitReserve();
+ @LOC("THIS,LayerIIIDecoder.HD1") int version = header.version();
+
// here 'gr' and 'max_gr' should be higher than 'ch','channels', and more
for (gr = 0; gr < max_gr; gr++) { // two granules per channel
// in the loop body, access set={part2_start}
// 'ch', 'channels' should be higher than all locs in the below body
for (ch = 0; ch < channels; ch++) {
- part2_start = br.hsstell();
+ // part2_start = br.hsstell();
+ @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int part2_start_local = br.hsstell();
// grab scale factors from the main data.
// following the scale factors is the actual compressed data
- if (header.version() == Header.MPEG1)
+ if (version == Header.MPEG1)
get_scale_factors(header, ch, gr); // no need to care from this side
// here move scale factor data from 'br' buffer to 'scalefac' field
else
// side
// here, decoding the compressed audio data
- huffman_decode(ch, gr); // no need to care from this side
+ huffman_decode(part2_start_local, ch, gr); // no need to care from this
+ // side
// System.out.println("CheckSum HuffMan = " + CheckSumHuff);
dequantize_sample(/* ro[ch], */ch, gr); // no need to care from this
// side
* Reads the side info from the stream, assuming the entire. frame has been
* read already. Mono : 136 bits (= 17 bytes) Stereo : 256 bits (= 32 bytes)
*/
- @LATTICE("THIS<C,C<IN,C*,THISLOC=THIS,RETURNLOC=THIS")
- private boolean get_side_info(@LOC("IN") Header header) {
+ @LATTICE("OUT<THIS,THIS<C,C<IN,C*,THISLOC=THIS,RETURNLOC=OUT")
+ private boolean get_side_info(@LOC("THIS,LayerIIIDecoder.HD1") Header header) {
- @LOC("IN") SideInfoBuffer sib = header.getSideInfoBuffer();
+ @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.TEMP") SideInfoBuffer sib =
+ header.getSideInfoBuffer();
+ @LOC("THIS,LayerIIIDecoder.SF1") int version = header.version();
- @LOC("C") int ch;
- @LOC("C") int gr;
+ @LOC("THIS,LayerIIIDecoder.SI0") int ch;
+ @LOC("THIS,LayerIIIDecoder.SI0") int gr;
// System.out.println("#get_side_info");
- if (header.version() == Header.MPEG1) {
+ if (version == Header.MPEG1) {
si.main_data_begin = sib.get_bits(9);
if (channels == 1)
si.ch[ch].gr[gr].big_values = sib.get_bits(9);
si.ch[ch].gr[gr].global_gain = sib.get_bits(8);
si.ch[ch].gr[gr].scalefac_compress = sib.get_bits(4);
- si.ch[ch].gr[gr].window_switching_flag = sib.get_bits(1);
- if ((si.ch[ch].gr[gr].window_switching_flag) != 0) {
+ @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.TEMP") int cond =
+ sib.get_bits(1);
+ // si.ch[ch].gr[gr].window_switching_flag = sib.get_bits(1);
+ // if ((si.ch[ch].gr[gr].window_switching_flag) != 0) {
+ if (cond != 0) {
si.ch[ch].gr[gr].block_type = sib.get_bits(2);
si.ch[ch].gr[gr].mixed_block_flag = sib.get_bits(1);
si.ch[ch].gr[gr].region1_count = sib.get_bits(3);
si.ch[ch].gr[gr].block_type = 0;
}
+ //
+ si.ch[ch].gr[gr].window_switching_flag = cond;
+ //
si.ch[ch].gr[gr].preflag = sib.get_bits(1);
si.ch[ch].gr[gr].scalefac_scale = sib.get_bits(1);
si.ch[ch].gr[gr].count1table_select = sib.get_bits(1);
si.ch[ch].gr[0].big_values = sib.get_bits(9);
si.ch[ch].gr[0].global_gain = sib.get_bits(8);
si.ch[ch].gr[0].scalefac_compress = sib.get_bits(9);
- si.ch[ch].gr[0].window_switching_flag = sib.get_bits(1);
- if ((si.ch[ch].gr[0].window_switching_flag) != 0) {
+ @LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.TEMP") int cond =
+ sib.get_bits(1);
+ // si.ch[ch].gr[0].window_switching_flag = sib.get_bits(1);
+ // if ((si.ch[ch].gr[0].window_switching_flag) != 0) {
+ if (cond != 0) {
si.ch[ch].gr[0].block_type = sib.get_bits(2);
si.ch[ch].gr[0].mixed_block_flag = sib.get_bits(1);
si.ch[ch].gr[0].region1_count = sib.get_bits(3);
si.ch[ch].gr[0].block_type = 0;
}
+ //
+ si.ch[ch].gr[gr].window_switching_flag = cond;
+ //
si.ch[ch].gr[0].scalefac_scale = sib.get_bits(1);
si.ch[ch].gr[0].count1table_select = sib.get_bits(1);
*
*/
@LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
- private void get_scale_factors(@LOC("IN") Header header, @LOC("THIS,LayerIIIDecoder.CH0") int ch,
- @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+ private void get_scale_factors(@LOC("THIS,LayerIIIDecoder.SF1") Header header,
+ @LOC("THIS,LayerIIIDecoder.SF1") int ch, @LOC("THIS,LayerIIIDecoder.SF1") int gr) {
// gr_info_s gr_info = (si.ch[ch].gr[gr]); remove alias
// ssjava
@LATTICE("M<THIS,THIS<IN,THIS<C,C*,M*,THISLOC=THIS,GLOBALLOC=THIS")
- private void get_LSF_scale_data(@LOC("IN") Header header,
- @LOC("THIS,LayerIIIDecoder.CH0") int ch, @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+ private void get_LSF_scale_data(@LOC("THIS,LayerIIIDecoder.SF15") Header header,
+ @LOC("THIS,LayerIIIDecoder.SF15") int ch, @LOC("THIS,LayerIIIDecoder.SF15") int gr) {
- @LOC("THIS,LayerIIIDecoder.HD1") int mode_ext = header.mode_extension();
+ @LOC("THIS,LayerIIIDecoder.SI0") int mode_ext = header.mode_extension();
// @LOC("THIS,LayerIIIDecoder.GLSFD1") gr_info_s gr_info =
// (si.ch[ch].gr[gr]); // remove alias
@LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR,LayerIIIDecoder$gr_info_s.V") int scalefac_comp =
si.ch[ch].gr[gr].scalefac_compress;
- @LOC("THIS,LayerIIIDecoder.SI") int blocktypenumber;
+ @LOC("THIS,LayerIIIDecoder.NS") int blocktypenumber;
@LOC("THIS,LayerIIIDecoder.SI,LayerIIIDecoder$III_side_info_t.CH,LayerIIIDecoder$temporaire.GR,LayerIIIDecoder$gr_info_s.V") int int_scalefac_comp;
@LOC("THIS,LayerIIIDecoder.SFB_SH") int m;
}
}
- for (@LOC("C") int x = 0; x < 45; x++)
+ for (@LOC("THIS,LayerIIIDecoder.NS") int x = 0; x < 45; x++)
// why 45, not 54?
scalefac_buffer[x] = 0;
m = 0;
- for (@LOC("C") int i = 0; i < 4; i++) {
+ for (@LOC("THIS,LayerIIIDecoder.NS") int i = 0; i < 4; i++) {
for (@LOC("THIS,LayerIIIDecoder.NS") int j = 0; j < nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) {
scalefac_buffer[m] = (new_slen[i] == 0) ? 0 : br.hgetbits(new_slen[i]);
m++;
*
*/
@LATTICE("THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
- private void get_LSF_scale_factors(@LOC("IN") Header header,
- @LOC("THIS,LayerIIIDecoder.CH0") int ch, @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+ private void get_LSF_scale_factors(@LOC("THIS,LayerIIIDecoder.SF1") Header header,
+ @LOC("THIS,LayerIIIDecoder.SF1") int ch, @LOC("THIS,LayerIIIDecoder.SF1") int gr) {
@LOC("THIS,LayerIIIDecoder.SFB_SH") int sfb;
@LOC("THIS,LayerIIIDecoder.SFB_SH") int m = 0;
// int[] v = { 0 };
// @LOC("SI1")
// int[] w = { 0 };
- @LOC("SI1")
- int x[] = { 0 };
- @LOC("SI1")
- int y[] = { 0 };
- @LOC("SI1")
- int v[] = { 0 };
- @LOC("SI1")
- int w[] = { 0 };
+ // @LOC("SI1")
+ // int x[] = { 0 };
+ // @LOC("SI1")
+ // int y[] = { 0 };
+ // @LOC("SI1")
+ // int v[] = { 0 };
+ // @LOC("SI1")
+ // int w[] = { 0 };
- private void huffman_decode(@LOC("THIS,LayerIIIDecoder.CH0") int ch,
- @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
- x[0] = 0;
- y[0] = 0;
- v[0] = 0;
- w[0] = 0;
+ @LATTICE("VAR<OUT,OUT<THIS,THIS<RE,THISLOC=THIS,GLOBALLOC=OUT,RETURNLOC=OUT")
+ private void huffman_decode(@LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int part2_start_local,
+ @LOC("THIS,LayerIIIDecoder.CH0") int ch, @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+
+ @LOC("RE") int x[] = new int[1];
+ @LOC("RE") int y[] = new int[1];
+ @LOC("RE") int v[] = new int[1];
+ @LOC("RE") int w[] = new int[1];
@LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int part2_3_end =
- part2_start + si.ch[ch].gr[gr].part2_3_length;
+ part2_start_local + si.ch[ch].gr[gr].part2_3_length;
@LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int num_bits;
@LOC("THIS,LayerIIIDecoder.SI1") int region1Start;
@LOC("THIS,LayerIIIDecoder.SI1") int region2Start;
for (@LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int i = 0; i < (si.ch[ch].gr[gr].big_values << 1); i +=
2) {
- @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int htIdx;
+ @LOC("THIS,LayerIIIDecoder.SI2") int htIdx;
if (i < region1Start) {
htIdx = si.ch[ch].gr[gr].table_select[0];
// h = huffcodetab.ht[si.ch[ch].gr[gr].table_select[0]];
// Read count1 area
- @LOC("THIS,LayerIIIDecoder.BR,BitReserve.BIT") int htIdx = si.ch[ch].gr[gr].count1table_select + 32;
+ @LOC("THIS,LayerIIIDecoder.SI2") int htIdx = si.ch[ch].gr[gr].count1table_select + 32;
// h = huffcodetab.ht[si.ch[ch].gr[gr].count1table_select + 32];
num_bits = br.hsstell();
// ssjava
@LATTICE("IO<THIS,THIS<IN,THISLOC=THIS,GLOBALLOC=IN")
- private void stereo(@LOC("IN") Header header, @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
+ private void stereo(@LOC("THIS,LayerIIIDecoder.HD1") Header header,
+ @LOC("THIS,LayerIIIDecoder.CH0") int gr) {
@LOC("THIS,LayerIIIDecoder.RO1") int sb;
@LOC("THIS,LayerIIIDecoder.RO1") int ss;
} else {
// gr_info_s gr_info = (si.ch[0].gr[gr]); remove alias
- @LOC("THIS,LayerIIIDecoder.HD1") int mode_ext = header.mode_extension();
+ @LOC("THIS,LayerIIIDecoder.SF1") int mode_ext = header.mode_extension();
@LOC("THIS,LayerIIIDecoder.RO1") int sfb;
@LOC("THIS,LayerIIIDecoder.RO1") int i;
@LOC("THIS,LayerIIIDecoder.RO1") int temp;
@LOC("THIS,LayerIIIDecoder.RO1") int temp2;
- @LOC("THIS,LayerIIIDecoder.CH0") boolean ms_stereo =
+ @LOC("THIS,LayerIIIDecoder.SF15") boolean ms_stereo =
((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x2) != 0));
- @LOC("THIS,LayerIIIDecoder.CH0") boolean i_stereo =
+ @LOC("THIS,LayerIIIDecoder.SF15") boolean i_stereo =
((header.mode() == Header.JOINT_STEREO) && ((mode_ext & 0x1) != 0));
- @LOC("THIS,LayerIIIDecoder.CH0") boolean lsf =
+ @LOC("THIS,LayerIIIDecoder.SF15") boolean lsf =
((header.version() == Header.MPEG2_LSF || header.version() == Header.MPEG25_LSF)); // SZD
@LOC("THIS,LayerIIIDecoder.LR") int io_type = (si.ch[0].gr[gr].scalefac_compress & 1);
private void hybrid(@LOC("THIS,LayerIIIDecoder.SI") int ch, @LOC("THIS,LayerIIIDecoder.SI") int gr) {
@LOC("THIS,LayerIIIDecoder.SI1") int bt;
- @LOC("SB") int sb18;
+ @LOC("THIS,LayerIIIDecoder.SI1") int sb18;
// gr_info_s gr_info = (si.ch[ch].gr[gr]); //remove alias
// @LOC("THIS,LayerIIIDecoder.TS") float[] tsOut; //remove alias
// float[][] prvblk;
for (sb18 = 0; sb18 < 576; sb18 += 18) {
- bt =
- ((si.ch[ch].gr[gr].window_switching_flag != 0)
- && (si.ch[ch].gr[gr].mixed_block_flag != 0) && (sb18 < 36)) ? 0
- : si.ch[ch].gr[gr].block_type;
+ if ((si.ch[ch].gr[gr].window_switching_flag != 0) && (si.ch[ch].gr[gr].mixed_block_flag != 0)
+ && (sb18 < 36)) {
+ bt = 0;
+ } else {
+ bt = si.ch[ch].gr[gr].block_type;
+ }
// tsOut = out_1d;
// Modif E.B 02/22/99
- for (@LOC("SB") int cc = 0; cc < 18; cc++)
+ for (@LOC("THIS,LayerIIIDecoder.SI1") int cc = 0; cc < 18; cc++)
tsOutCopy[cc] = out_1d[cc + sb18];
inv_mdct(bt);
- for (@LOC("SB") int cc = 0; cc < 18; cc++)
+ for (@LOC("THIS,LayerIIIDecoder.SI1") int cc = 0; cc < 18; cc++)
out_1d[cc + sb18] = tsOutCopy[cc];
// Fin Modif
/**
*
*/
- @LATTICE("THIS<SB,THIS<SS,SB<GLOBAL,SS<GLOBAL,SS*,SB*,THISLOC=THIS,GLOBALLOC=GLOBAL")
private void do_downmix() {
- for (@LOC("SB") int sb = 0; sb < SSLIMIT; sb++) {
- for (@LOC("SS") int ss = 0; ss < SSLIMIT; ss += 3) {
+ for (@LOC("THIS,LayerIIIDecoder.ISR") int sb = 0; sb < SSLIMIT; sb++) {
+ for (@LOC("THIS,LayerIIIDecoder.ISR") int ss = 0; ss < SSLIMIT; ss += 3) {
lr[0][sb][ss] = (lr[0][sb][ss] + lr[1][sb][ss]) * 0.5f;
lr[0][sb][ss + 1] = (lr[0][sb][ss + 1] + lr[1][sb][ss + 1]) * 0.5f;
lr[0][sb][ss + 2] = (lr[0][sb][ss + 2] + lr[1][sb][ss + 2]) * 0.5f;
}
}
- @LATTICE("CH")
+ @LATTICE("CH<TEMP,TEMP*")
static class III_side_info_t {
@LOC("CH")
/***************************************************************/
/* END OF INV_MDCT */
/***************************************************************/
- @LATTICE("N<VAR")
- class Sftable {
- @LOC("VAR")
- public int[] l;
- @LOC("VAR")
- public int[] s;
-
- public Sftable() {
- l = new int[5];
- s = new int[3];
- }
-
- @LATTICE("THIS<IN,THISLOC=THIS")
- public Sftable(@DELEGATE @LOC("IN") int[] thel, @DELEGATE @LOC("IN") int[] thes) {
- l = thel;
- s = thes;
- }
- }
-
- @LOC("F")
- public Sftable sftable;
public static final int nr_of_sfb_block[][][] = {
{ { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } },
projects / IRC.git / blobdiff