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[/] [bluespec-h264/] [trunk/] [release/] [mkPrediction_intra8.bsv] - Blame information for rev 84

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Line No. Rev Author Line
1 84 jamey.hick 
//**********************************************************************
2 
// Prediction
3 
//----------------------------------------------------------------------
4 
//
5 
//
6 
 
7 
package mkPrediction;
8 
 
9 
import H264Types::*;
10 
 
11 
import IPrediction::*;
12 
import IInterpolator::*;
13 
import mkInterpolator::*;
14 
import FIFO::*;
15 
import FIFOF::*;
16 
import Vector::*;
17 
 
18 
import Connectable::*;
19 
import GetPut::*;
20 
import ClientServer::*;
21 
 
22 
 
23 
//-----------------------------------------------------------
24 
// Local Datatypes
25 
//-----------------------------------------------------------
26 
 
27 
typedef union tagged
28 
{
29 
 void     Intra;            //Intra non-4x4
30 
 void     Intra4x4;
31 
 void     Inter;
32 
}
33 
OutState deriving(Eq,Bits);
34 
 
35 
typedef union tagged
36 
{
37 
 void     Start;            //not working on anything in particular
38 
 void     Intra16x16;
39 
 void     Intra4x4;
40 
 void     IntraPCM;
41 
}
42 
IntraState deriving(Eq,Bits);
43 
 
44 
typedef union tagged
45 
{
46 
 void     Start;            //not working on anything in particular
47 
 void     InterP16x16;
48 
 void     InterP16x8;
49 
 void     InterP8x16;
50 
 void     InterP8x8;
51 
 void     InterP8x8ref0;
52 
 void     InterPskip;
53 
}
54 
InterState deriving(Eq,Bits);
55 
 
56 
typedef union tagged
57 
{
58 
 Bit#(1) NotInter;//0 for not available, 1 for intra-coded
59 
 struct {Bit#(4) refIdx; Bit#(14) mvhor; Bit#(12) mvver; Bit#(1) nonZeroTransCoeff;} BlockMv;
60 
}
61 
InterBlockMv deriving(Eq,Bits);
62 
 
63 
typedef union tagged
64 
{
65 
 void SkipMB;
66 
 void NonSkipMB;
67 
 void Intra4x4;
68 
 void Intra4x4PlusChroma;
69 
}
70 
NextOutput deriving(Eq,Bits);
71 
 
72 
 
73 
 
74 
//-----------------------------------------------------------
75 
// Helper functions
76 
 
77 
function Bit#(8) intra4x4SelectTop( Bit#(72) valVector, Bit#(4) idx );
78 
   case(idx)
79 
      0: return valVector[15:8];
80 
      1: return valVector[23:16];
81 
      2: return valVector[31:24];
82 
      3: return valVector[39:32];
83 
      4: return valVector[47:40];
84 
      5: return valVector[55:48];
85 
      6: return valVector[63:56];
86 
      7: return valVector[71:64];
87 
      default: return valVector[7:0];
88 
   endcase
89 
endfunction
90 
 
91 
function Bit#(8) intra4x4SelectLeft( Bit#(40) valVector, Bit#(3) idx );
92 
   case(idx)
93 
      0: return valVector[15:8];
94 
      1: return valVector[23:16];
95 
      2: return valVector[31:24];
96 
      3: return valVector[39:32];
97 
      default: return valVector[7:0];
98 
   endcase
99 
endfunction
100 
 
101 
function Bit#(8) select32to8( Bit#(32) valVector, Bit#(2) idx );
102 
   case(idx)
103 
      0: return valVector[7:0];
104 
      1: return valVector[15:8];
105 
      2: return valVector[23:16];
106 
      3: return valVector[31:24];
107 
   endcase
108 
endfunction
109 
 
110 
function Bit#(8) select16to8( Bit#(16) valVector, Bit#(1) idx );
111 
   case(idx)
112 
      0: return valVector[7:0];
113 
      1: return valVector[15:8];
114 
   endcase
115 
endfunction
116 
 
117 
function Bool absDiffGEFour14( Bit#(14) val1, Bit#(14) val2 );
118 
   Int#(15) int1 = unpack(signExtend(val1));
119 
   Int#(15) int2 = unpack(signExtend(val2));
120 
   if(int1>=int2)
121 
      return (int1 >= (int2+4));
122 
   else
123 
      return (int2 >= (int1+4));
124 
endfunction
125 
 
126 
function Bool absDiffGEFour12( Bit#(12) val1, Bit#(12) val2 );
127 
   Int#(13) int1 = unpack(signExtend(val1));
128 
   Int#(13) int2 = unpack(signExtend(val2));
129 
   if(int1>=int2)
130 
      return (int1 >= (int2+4));
131 
   else
132 
      return (int2 >= (int1+4));
133 
endfunction
134 
 
135 
 
136 
//-----------------------------------------------------------
137 
// Prediction Module
138 
//-----------------------------------------------------------
139 
 
140 
 
141 
(* synthesize *)
142 
module mkPrediction( IPrediction );
143 
 
144 
   //Common state
145 
   FIFO#(EntropyDecOT)   infifo     <- mkSizedFIFO(prediction_infifo_size);
146 
   FIFO#(InverseTransOT) infifo_ITB <- mkSizedFIFO(prediction_infifo_ITB_size);
147 
   FIFO#(EntropyDecOT)   outfifo    <- mkFIFO;
148 
   Reg#(Bool)            passFlag   <- mkReg(True);
149 
   Reg#(Bit#(4))         blockNum   <- mkReg(0);
150 
   Reg#(Bit#(4))         pixelNum   <- mkReg(0);
151 
 
152 
   Reg#(Bit#(PicWidthSz))  picWidth  <- mkReg(maxPicWidthInMB);
153 
   Reg#(Bit#(PicHeightSz)) picHeight <- mkReg(0);
154 
   Reg#(Bit#(PicAreaSz))   firstMb   <- mkReg(0);
155 
   Reg#(Bit#(PicAreaSz))   currMb    <- mkReg(0);
156 
   Reg#(Bit#(PicAreaSz))   currMbHor <- mkReg(0);//horizontal position of currMb
157 
   Reg#(Bit#(PicHeightSz)) currMbVer <- mkReg(0);//vertical position of currMb
158 
 
159 
   FIFOF#(OutState)   outstatefifo   <- mkFIFOF;
160 
   FIFOF#(NextOutput) nextoutputfifo <- mkFIFOF;
161 
   Reg#(Bit#(4))   outBlockNum    <- mkReg(0);
162 
   Reg#(Bit#(4))   outPixelNum    <- mkReg(0);
163 
   FIFO#(Vector#(4,Bit#(8))) predictedfifo  <- mkSizedFIFO(prediction_predictedfifo_size);
164 
   Reg#(Bit#(1))   outChromaFlag  <- mkReg(0);
165 
   Reg#(Bool)      outFirstQPFlag <- mkReg(False);
166 
 
167 
   DoNotFire donotfire <- mkDoNotFire();
168 
 
169 
   //Reg#(Vector#(16,Bit#(8))) workVector       <- mkRegU();
170 
 
171 
   //Inter state
172 
   Interpolator interpolator <- mkInterpolator();
173 
   Reg#(InterState) interstate <- mkReg(Start);
174 
   Reg#(Bit#(PicAreaSz)) interPskipCount <- mkReg(0);
175 
   Reg#(Vector#(5,InterBlockMv)) interTopVal <- mkRegU();
176 
   Reg#(Vector#(4,InterBlockMv)) interLeftVal <- mkRegU();
177 
   Reg#(Vector#(4,InterBlockMv)) interTopLeftVal <- mkRegU();
178 
   FIFO#(MemReq#(TAdd#(PicWidthSz,2),32)) interMemReqQ <- mkFIFO;
179 
   Reg#(MemReq#(TAdd#(PicWidthSz,2),32)) interMemReqQdelay <- mkRegU();
180 
   FIFO#(MemResp#(32))  interMemRespQ <- mkFIFO;
181 
   Reg#(Bit#(3)) interReqCount <- mkReg(0);
182 
   Reg#(Bit#(3)) interRespCount <- mkReg(0);
183 
 
184 
   Reg#(Bit#(1)) interStepCount <- mkReg(0);
185 
   Reg#(Bit#(2)) interMbPartNum <- mkReg(0);
186 
   Reg#(Bit#(2)) interSubMbPartNum <- mkReg(0);
187 
   Reg#(Bit#(2)) interPassingCount <- mkReg(0);
188 
   Reg#(Vector#(4,Bit#(4))) interRefIdxVector <- mkRegU();
189 
   Reg#(Vector#(4,Bit#(2))) interSubMbTypeVector <- mkRegU();
190 
   RFile1#(Bit#(4),Tuple2#(Bit#(14),Bit#(12))) interMvFile <- mkRFile1Full();
191 
   Reg#(Bit#(15)) interMvDiffTemp <- mkReg(0);
192 
   FIFO#(Tuple2#(Bit#(15),Bit#(13))) interMvDiff <- mkFIFO;
193 
   Reg#(Bit#(5)) interNewestMv <- mkReg(0);
194 
 
195 
   Reg#(Bit#(2)) interIPStepCount <- mkReg(0);
196 
   Reg#(Bit#(2)) interIPMbPartNum <- mkReg(0);
197 
   Reg#(Bit#(2)) interIPSubMbPartNum <- mkReg(0);
198 
 
199 
   Reg#(Bit#(PicWidthSz)) interCurrMbDiff <- mkReg(0);
200 
 
201 
   Reg#(Vector#(4,Bool)) interTopNonZeroTransCoeff <- mkRegU();
202 
   Reg#(Vector#(4,Bool)) interLeftNonZeroTransCoeff <- mkRegU();
203 
   FIFO#(Tuple2#(Bit#(2),Bit#(2))) interBSfifo <- mkSizedFIFO(32);
204 
   Reg#(Bool) interBSoutput <- mkReg(True);
205 
   FIFO#(InterBlockMv) interOutBlockMvfifo <- mkSizedFIFO(8);
206 
 
207 
 
208 
   //Intra state
209 
   Reg#(IntraState)     intrastate      <- mkReg(Start);
210 
   Reg#(Bit#(1))        intraChromaFlag <- mkReg(0);
211 
   FIFO#(MemReq#(TAdd#(PicWidthSz,2),68)) intraMemReqQ  <- mkFIFO;
212 
   Reg#(MemReq#(TAdd#(PicWidthSz,2),68)) intraMemReqQdelay <- mkRegU;
213 
   FIFO#(MemResp#(68))  intraMemRespQ <- mkFIFO;
214 
   Reg#(Vector#(4,Bit#(4))) intra4x4typeLeft <- mkRegU();//15=unavailable, 14=inter-MB, 13=intra-non-4x4
215 
   Reg#(Vector#(4,Bit#(4))) intra4x4typeTop  <- mkRegU();//15=unavailable, 14=inter-MB, 13=intra-non-4x4
216 
   Reg#(Bit#(1)) ppsconstrained_intra_pred_flag <- mkReg(0);
217 
   Reg#(Vector#(4,Bit#(40))) intraLeftVal <- mkRegU();
218 
   Reg#(Vector#(9,Bit#(8))) intraLeftValChroma0 <- mkRegU();
219 
   Reg#(Vector#(9,Bit#(8))) intraLeftValChroma1 <- mkRegU();
220 
   Reg#(Vector#(5,Bit#(32))) intraTopVal <- mkRegU();
221 
   Reg#(Vector#(4,Bit#(16))) intraTopValChroma0 <- mkRegU();
222 
   Reg#(Vector#(4,Bit#(16))) intraTopValChroma1 <- mkRegU();
223 
   Reg#(Bit#(32)) intraLeftValNext <- mkReg(0);
224 
   Reg#(Bit#(2)) intra16x16_pred_mode <- mkReg(0);
225 
   FIFO#(Bit#(4)) rem_intra4x4_pred_mode <- mkSizedFIFO(16);
226 
   FIFO#(Bit#(2)) intra_chroma_pred_mode <- mkFIFO;
227 
   Reg#(Bit#(4)) cur_intra4x4_pred_mode <- mkReg(0);
228 
   Reg#(Bit#(1)) intraChromaTopAvailable <- mkReg(0);
229 
   Reg#(Bit#(1)) intraChromaLeftAvailable <- mkReg(0);
230 
 
231 
   Reg#(Bit#(3)) intraReqCount <- mkReg(0);
232 
   Reg#(Bit#(3)) intraRespCount <- mkReg(0);
233 
   Reg#(Bit#(4)) intraStepCount <- mkReg(0);
234 
   Reg#(Bit#(13)) intraSumA <-  mkReg(0);
235 
   Reg#(Bit#(15)) intraSumB <-  mkReg(0);
236 
   Reg#(Bit#(15)) intraSumC <-  mkReg(0);
237 
 
238 
   Reg#(Vector#(4,Bit#(8))) intraPredVector <- mkRegU();
239 
 
240 
 
241 
   //-----------------------------------------------------------
242 
   // Rules
243 
 
244 
   //////////////////////////////////////////////////////////////////////////////
245 
//   rule stateMonitor ( True );
246 
//      if(predictedfifo.notEmpty())
247 
//       $display( "TRACE Prediction: stateMonitor predictedfifo.first() %0d", predictedfifo.first());////////////////////
248 
//      if(infifo.first() matches tagged ITBresidual .xdata)
249 
//       $display( "TRACE Prediction: stateMonitor infifo.first() %0d", xdata);////////////////////
250 
//      if(infifo.first() matches tagged ITBresidual .xdata)
251 
//       $display( "TRACE Prediction: stateMonitor outBlockNum outPixelNum outChromaFlag %0d %0d", outBlockNum, outPixelNum, outChromaFlag);////////////////////
252 
//   endrule
253 
   //////////////////////////////////////////////////////////////////////////////
254 
 
255 
   rule passing ( passFlag && !outstatefifo.notEmpty() && currMbHor
256 
      $display( "Trace Prediction: passing infifo packed %h", pack(infifo.first()));
257 
      case (infifo.first()) matches
258 
         tagged NewUnit . xdata :
259 
            begin
260 
               infifo.deq();
261 
               outfifo.enq(infifo.first());
262 
               $display("ccl4newunit");
263 
               $display("ccl4rbspbyte %h", xdata);
264 
            end
265 
         tagged SPSpic_width_in_mbs .xdata :
266 
            begin
267 
               infifo.deq();
268 
               outfifo.enq(infifo.first());
269 
               picWidth <= xdata;
270 
               interpolator.setPicWidth(xdata);
271 
            end
272 
         tagged SPSpic_height_in_map_units .xdata :
273 
            begin
274 
               infifo.deq();
275 
               outfifo.enq(infifo.first());
276 
               picHeight <= xdata;
277 
               interpolator.setPicHeight(xdata);
278 
            end
279 
         tagged PPSconstrained_intra_pred_flag .xdata :
280 
            begin
281 
               infifo.deq();
282 
               ////outfifo.enq(infifo.first());
283 
               ppsconstrained_intra_pred_flag <= xdata;
284 
            end
285 
         tagged SHfirst_mb_in_slice .xdata :
286 
            begin
287 
               infifo.deq();
288 
               outfifo.enq(infifo.first());
289 
               firstMb   <= xdata;
290 
               currMb    <= xdata;
291 
               currMbHor <= xdata;
292 
               currMbVer <= 0;
293 
               intra4x4typeLeft <= replicate(15);
294 
               interTopLeftVal <= replicate(NotInter 0);
295 
               if(xdata==0)
296 
                  interLeftVal <= replicate(NotInter 0);
297 
               outFirstQPFlag <= True;
298 
            end
299 
         tagged SDmb_skip_run .xdata : passFlag <= False;
300 
         tagged SDMmbtype .xdata : passFlag <= False;
301 
         tagged EndOfFile :
302 
            begin
303 
               infifo.deq();
304 
               outfifo.enq(infifo.first());
305 
               $display( "INFO Prediction: EndOfFile reached" );
306 
               //$finish(0);////////////////////////////////
307 
            end
308 
         default:
309 
            begin
310 
               infifo.deq();
311 
               outfifo.enq(infifo.first());
312 
            end
313 
      endcase
314 
   endrule
315 
 
316 
 
317 
   rule inputing ( !passFlag );
318 
      $display( "Trace Prediction: inputing infifo packed %h", pack(infifo.first()));
319 
      case (infifo.first()) matches
320 
         tagged SDmb_skip_run .xdata :
321 
            begin
322 
               if(interstate==Start && intrastate==Start)
323 
                  begin
324 
                     if(interPskipCount < xdata)
325 
                        begin
326 
                           if(!outstatefifo.notEmpty() || interCurrMbDiff
327 
                              begin
328 
                                 $display( "Trace Prediction: passing SDmb_skip_run %0d", xdata);
329 
                                 outstatefifo.enq(Inter);
330 
                                 interstate <= InterPskip;
331 
                                 interReqCount <= 1;
332 
                                 interRespCount <= 1;
333 
                                 intra4x4typeLeft <= replicate(14);
334 
                                 intra4x4typeTop <= replicate(14);
335 
                                 interTopLeftVal <= update(interTopLeftVal , 0, (NotInter 0));
336 
                                 interTopVal <= replicate(NotInter 0);
337 
                                 interPskipCount <= interPskipCount+1;
338 
                                 interNewestMv <= 0;
339 
                                 interRefIdxVector <= replicate(0);
340 
                                 interCurrMbDiff <= interCurrMbDiff+1;
341 
                                 nextoutputfifo.enq(SkipMB);
342 
                              end
343 
                           else
344 
                              donotfire.doNotFire();
345 
                        end
346 
                     else
347 
                        begin
348 
                           $display( "Trace Prediction: passing no SDmb_skip_run");
349 
                           interPskipCount <= 0;
350 
                           infifo.deq();
351 
                        end
352 
                  end
353 
               else
354 
                  donotfire.doNotFire();
355 
            end
356 
         tagged SDMmbtype .xdata :
357 
            begin
358 
               if(interstate==Start && intrastate==Start)//not necessary (just need to keep inter from feeding predictedfifo or change intra state until intrastate==Start)
359 
                  begin
360 
                     infifo.deq();
361 
                     $display( "INFO Prediction: SDMmbtype %0d", xdata);
362 
                     if(mbPartPredMode(xdata,0)==Intra_16x16)
363 
                        begin
364 
                           if(!outstatefifo.notEmpty())
365 
                              begin
366 
                                 outstatefifo.enq(Intra);
367 
                                 intrastate <= Intra16x16;
368 
                                 if(xdata matches tagged I_16x16 {intra16x16PredMode:.tempv1, codedBlockPatternChroma:.tempv2, codedBlockPatternLuma:.tempv3})
369 
                                    intra16x16_pred_mode <= tempv1;
370 
                                 else
371 
                                    $display( "ERROR Prediction: MacroblockLayer 5 sdmmbtype not I_16x16" );
372 
                                 intraReqCount <= 1;
373 
                                 intraRespCount <= 1;
374 
                                 interTopLeftVal <= replicate(NotInter 1);
375 
                                 interLeftVal <= replicate(NotInter 1);
376 
                                 interTopVal <= replicate(NotInter 1);
377 
                              end
378 
                           else
379 
                              donotfire.doNotFire();
380 
                        end
381 
                     else if(xdata==I_NxN)
382 
                        begin
383 
                           if(!outstatefifo.notEmpty())
384 
                              begin
385 
                                 outstatefifo.enq(Intra4x4);
386 
                                 intrastate <= Intra4x4;
387 
                                 intraReqCount <= 1;
388 
                                 intraRespCount <= 1;
389 
                                 interTopLeftVal <= replicate(NotInter 1);
390 
                                 interLeftVal <= replicate(NotInter 1);
391 
                                 interTopVal <= replicate(NotInter 1);
392 
                              end
393 
                           else
394 
                              donotfire.doNotFire();
395 
                        end
396 
                     else if(xdata==I_PCM)
397 
                        begin
398 
                           $display( "ERROR Prediction: I_PCM not implemented yet");
399 
                           $finish;////////////////////////////////////////////////////////////////////////////////////////
400 
                           intra4x4typeLeft <= replicate(13);
401 
                           intra4x4typeTop <= replicate(13);
402 
                           interTopLeftVal <= replicate(NotInter 1);
403 
                           interLeftVal <= replicate(NotInter 1);
404 
                           interTopVal <= replicate(NotInter 1);
405 
                        end
406 
                     else
407 
                        begin
408 
                           if(!outstatefifo.notEmpty() || interCurrMbDiff
409 
                              begin
410 
                                 outstatefifo.enq(Inter);
411 
                                 case(xdata)
412 
                                    P_L0_16x16: interstate <= InterP16x16;
413 
                                    P_L0_L0_16x8: interstate <= InterP16x8;
414 
                                    P_L0_L0_8x16: interstate <= InterP8x16;
415 
                                    P_8x8: interstate <= InterP8x8;
416 
                                    P_8x8ref0: interstate <= InterP8x8ref0;
417 
                                    default: $display( "ERROR Prediction: passing SDMmbtype inter prediction unknown mbtype");
418 
                                 endcase
419 
                                 interReqCount <= 1;
420 
                                 interRespCount <= 1;
421 
                                 intra4x4typeLeft <= replicate(14);/////////////////////////////////////////////////////////////////////////////
422 
                                 intra4x4typeTop <= replicate(14);
423 
                                 interTopLeftVal <= update(interTopLeftVal , 0, (NotInter 0));
424 
                                 interTopVal <= replicate(NotInter 0);
425 
                                 interNewestMv <= 0;
426 
                                 interRefIdxVector <= replicate(0);
427 
                                 nextoutputfifo.enq(NonSkipMB);
428 
                              end
429 
                           else
430 
                              donotfire.doNotFire();
431 
                        end
432 
                     interCurrMbDiff <= interCurrMbDiff+1;
433 
                  end
434 
               else
435 
                  donotfire.doNotFire();
436 
            end
437 
         tagged SDMMrem_intra4x4_pred_mode .xdata :
438 
            begin
439 
               infifo.deq();
440 
               ////outfifo.enq(infifo.first());
441 
               rem_intra4x4_pred_mode.enq(xdata);
442 
            end
443 
         tagged SDMMintra_chroma_pred_mode .xdata :
444 
            begin
445 
               infifo.deq();
446 
               ////outfifo.enq(infifo.first());
447 
               intra_chroma_pred_mode.enq(xdata);
448 
            end
449 
         tagged SDMMref_idx_l0 .xdata :
450 
            begin
451 
               infifo.deq();
452 
               ////outfifo.enq(infifo.first());
453 
               interRefIdxVector <= update(interRefIdxVector,interPassingCount,xdata[3:0]);
454 
               if(interstate==InterP16x16 || interPassingCount==1)
455 
                  interPassingCount <= 0;
456 
               else
457 
                  interPassingCount <= interPassingCount+1;
458 
            end
459 
         tagged SDMMmvd_l0 .xdata :
460 
            begin
461 
               infifo.deq();
462 
               ////outfifo.enq(infifo.first());
463 
               if(interPassingCount==1)
464 
                  begin
465 
                     Bit#(13) interMvDiffTemp2 = truncate(xdata);
466 
                     interMvDiff.enq(tuple2(interMvDiffTemp,interMvDiffTemp2));
467 
                     interPassingCount <= 0;
468 
                  end
469 
               else
470 
                  begin
471 
                     interMvDiffTemp <= truncate(xdata);
472 
                     interPassingCount <= interPassingCount+1;
473 
                  end
474 
            end
475 
         tagged SDMSsub_mb_type .xdata :
476 
            begin
477 
               infifo.deq();
478 
               ////outfifo.enq(infifo.first());
479 
               interSubMbTypeVector <= update(interSubMbTypeVector,interPassingCount,xdata);
480 
               interPassingCount <= interPassingCount+1;
481 
            end
482 
         tagged SDMSref_idx_l0 .xdata :
483 
            begin
484 
               infifo.deq();
485 
               ////outfifo.enq(infifo.first());
486 
               interRefIdxVector <= update(interRefIdxVector,interPassingCount,xdata[3:0]);
487 
               interPassingCount <= interPassingCount+1;
488 
            end
489 
         tagged SDMSmvd_l0 .xdata :
490 
            begin
491 
               infifo.deq();
492 
               ////outfifo.enq(infifo.first());
493 
               if(interPassingCount==1)
494 
                  begin
495 
                     Bit#(13) interMvDiffTemp2 = truncate(xdata);
496 
                     interMvDiff.enq(tuple2(interMvDiffTemp,interMvDiffTemp2));
497 
                     interPassingCount <= 0;
498 
                  end
499 
               else
500 
                  begin
501 
                     interMvDiffTemp <= truncate(xdata);
502 
                     interPassingCount <= interPassingCount+1;
503 
                  end
504 
            end
505 
         default: passFlag <= True;
506 
      endcase
507 
   endrule
508 
 
509 
 
510 
   rule outputing ( currMbHor
511 
      Bit#(1) outputFlag = 0;
512 
      Vector#(4,Bit#(8)) outputVector = replicate(0);
513 
      Bit#(2) blockHor = {outBlockNum[2],outBlockNum[0]};
514 
      Bit#(2) blockVer = {outBlockNum[3],outBlockNum[1]};
515 
      Bit#(2) pixelVer = {outPixelNum[3],outPixelNum[2]};
516 
      Bit#(4) totalVer = {blockVer,pixelVer};
517 
      //$display( "Trace Prediction: outputing" );
518 
      if(outFirstQPFlag)
519 
         begin
520 
            if(infifo_ITB.first() matches tagged IBTmb_qp .xdata)
521 
               begin
522 
                  infifo_ITB.deq();
523 
                  outfifo.enq(IBTmb_qp {qpy:xdata.qpy,qpc:xdata.qpc});
524 
                  outFirstQPFlag <= False;
525 
                  $display( "Trace Prediction: outputing outFirstQP %h %h %h", outBlockNum, outPixelNum, xdata);
526 
               end
527 
            else
528 
               $display( "ERROR Prediction: outputing unexpected infifo_ITB.first()");
529 
         end
530 
      else if(nextoutputfifo.first() == SkipMB)
531 
         begin
532 
            if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
533 
               begin
534 
                  interBSoutput <= False;
535 
                  interBSfifo.deq();
536 
                  Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
537 
                  Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
538 
                  Bit#(3) horBS = (tempHorBS==3 ? 4 : (interLeftNonZeroTransCoeff[blockVer] ? 2 : zeroExtend(tempHorBS)));
539 
                  Bit#(3) verBS = (tempVerBS==3 ? 4 : (interTopNonZeroTransCoeff[blockHor]&&blockVer!=0 ? 2 : zeroExtend(tempVerBS)));
540 
                  outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
541 
                  interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, False);
542 
                  interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, False);
543 
                  $display( "Trace Prediction: outputing SkipMB bS %h %h %h %h", outBlockNum, outPixelNum, currMbHor, currMbVer);
544 
               end
545 
            else
546 
               begin
547 
                  interBSoutput <= True;
548 
                  outputVector = predictedfifo.first();
549 
                  outfifo.enq(PBoutput outputVector);
550 
                  outputFlag = 1;
551 
                  predictedfifo.deq();
552 
                  $display( "Trace Prediction: outputing SkipMB out %h %h %h", outBlockNum, outPixelNum, outputVector);
553 
               end
554 
         end
555 
      else
556 
         begin
557 
            case ( infifo_ITB.first() ) matches
558 
               tagged IBTmb_qp .xdata :
559 
                  begin
560 
                     infifo_ITB.deq();
561 
                     outfifo.enq(IBTmb_qp {qpy:xdata.qpy,qpc:xdata.qpc});
562 
                     outFirstQPFlag <= False;
563 
                     $display( "Trace Prediction: outputing ITBmb_qp %h %h %h", outBlockNum, outPixelNum, xdata);
564 
                  end
565 
               tagged ITBresidual .xdata :
566 
                  begin
567 
                     if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
568 
                        begin
569 
                           interBSoutput <= False;
570 
                           if(outstatefifo.first() != Inter)
571 
                              outfifo.enq(PBbS {bShor:(blockHor==0 ? 4 : 3),bSver:(blockVer==0 ? 4 : 3)});
572 
                           else
573 
                              begin
574 
                                 interBSfifo.deq();
575 
                                 Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
576 
                                 Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
577 
                                 Bit#(3) horBS = (tempHorBS==3 ? 4 : 2);
578 
                                 Bit#(3) verBS = (tempVerBS==3 ? 4 : 2);
579 
                                 outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
580 
                              end
581 
                           interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, True);
582 
                           interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, True);
583 
                           $display( "Trace Prediction: outputing ITBresidual bS %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, currMbHor, currMbVer);
584 
                        end
585 
                     else
586 
                        begin
587 
                           interBSoutput <= True;
588 
                           Bit#(11) tempOutputValue = 0;
589 
                           for(Integer ii=0; ii<4; ii=ii+1)
590 
                              begin
591 
                                 tempOutputValue = signExtend(xdata[ii]) + zeroExtend((predictedfifo.first())[ii]);
592 
                                 if(tempOutputValue[10]==1)
593 
                                    outputVector[ii] = 0;
594 
                                 else if(tempOutputValue[9:0] > 255)
595 
                                    outputVector[ii] = 255;
596 
                                 else
597 
                                    outputVector[ii] = tempOutputValue[7:0];
598 
                              end
599 
                           outfifo.enq(PBoutput outputVector);
600 
                           infifo_ITB.deq();
601 
                           predictedfifo.deq();
602 
                           outputFlag = 1;
603 
                           $display( "Trace Prediction: outputing ITBresidual out %h %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, predictedfifo.first(), xdata, outputVector);
604 
                        end
605 
                  end
606 
               tagged ITBcoeffLevelZeros :
607 
                  begin
608 
                     if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
609 
                        begin
610 
                           interBSoutput <= False;
611 
                           if(outstatefifo.first() != Inter)
612 
                              outfifo.enq(PBbS {bShor:(blockHor==0 ? 4 : 3),bSver:(blockVer==0 ? 4 : 3)});
613 
                           else
614 
                              begin
615 
                                 interBSfifo.deq();
616 
                                 Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
617 
                                 Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
618 
                                 Bit#(3) horBS = (tempHorBS==3 ? 4 : (interLeftNonZeroTransCoeff[blockVer] ? 2 : zeroExtend(tempHorBS)));
619 
                                 Bit#(3) verBS = (tempVerBS==3 ? 4 : (interTopNonZeroTransCoeff[blockHor]&&blockVer!=0 ? 2 : zeroExtend(tempVerBS)));
620 
                                 outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
621 
                              end
622 
                           interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, False);
623 
                           interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, False);
624 
                           $display( "Trace Prediction: outputing ITBcoeffLevelZeros bS %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, currMbHor, currMbVer);
625 
                        end
626 
                     else
627 
                        begin
628 
                           interBSoutput <= True;
629 
                           if(outPixelNum == 12)
630 
                              infifo_ITB.deq();
631 
                           outputVector = predictedfifo.first();
632 
                           outfifo.enq(PBoutput outputVector);
633 
                           outputFlag = 1;
634 
                           predictedfifo.deq();
635 
                           $display( "Trace Prediction: outputing ITBcoeffLevelZeros out %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, predictedfifo.first(), outputVector);
636 
                        end
637 
                  end
638 
               default: $display( "ERROR Prediction: outputing unknown infifo_ITB input" );
639 
            endcase
640 
         end
641 
 
642 
      if(outputFlag == 1)
643 
         begin
644 
            $display("ccl4PBoutput %0d", outputVector[0]);
645 
            $display("ccl4PBoutput %0d", outputVector[1]);
646 
            $display("ccl4PBoutput %0d", outputVector[2]);
647 
            $display("ccl4PBoutput %0d", outputVector[3]);
648 
 
649 
            if(outBlockNum==0 && pixelVer==0 && outChromaFlag==0 && currMb!=firstMb && picWidth>1)
650 
               begin
651 
                  intraMemReqQ.enq(intraMemReqQdelay);
652 
                  interMemReqQ.enq(interMemReqQdelay);
653 
                  //$display( "TRACE Prediction: passing storing addr data");//////////////////
654 
               end
655 
 
656 
            if(blockHor==3 || (blockHor[0]==1 && outChromaFlag==1) || (outstatefifo.first()==Intra4x4 && outChromaFlag==0))
657 
               begin
658 
                  if(outChromaFlag==0)
659 
                     begin
660 
                        Bit#(32) intraLeftValNextTemp = intraLeftValNext;
661 
                        if(totalVer==0 || (outstatefifo.first()==Intra4x4 && pixelVer==0))
662 
                           begin
663 
                              Bit#(32) tempValSet = select(intraTopVal,zeroExtend(blockHor));
664 
                              intraLeftValNextTemp = zeroExtend(tempValSet[31:24]);
665 
                           end
666 
                        case(pixelVer)
667 
                           0:intraLeftValNext <= {intraLeftValNextTemp[31:16],outputVector[3],intraLeftValNextTemp[7:0]};
668 
                           1:intraLeftValNext <= {intraLeftValNextTemp[31:24],outputVector[3],intraLeftValNextTemp[15:0]};
669 
                           2:intraLeftValNext <= {outputVector[3],intraLeftValNextTemp[23:0]};
670 
                           3:
671 
                           begin
672 
                              intraLeftVal <= update(intraLeftVal,blockVer,{outputVector[3],intraLeftValNextTemp});
673 
                              intraLeftValNext <= zeroExtend(outputVector[3]);
674 
                              if(outstatefifo.first()==Intra4x4)
675 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,cur_intra4x4_pred_mode);
676 
                              else if(outstatefifo.first()==Intra)
677 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,13);
678 
                              else
679 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,14);
680 
                           end
681 
                        endcase
682 
                     end
683 
                  else
684 
                     begin
685 
                        if(outBlockNum[2]==0)
686 
                           intraLeftValChroma0 <= update(intraLeftValChroma0,totalVer+1,outputVector[3]);
687 
                        else
688 
                           intraLeftValChroma1 <= update(intraLeftValChroma1,totalVer+1,outputVector[3]);
689 
                     end
690 
               end
691 
 
692 
            if(pixelVer==3 && (blockVer==3 || (blockVer[0]==1 && outChromaFlag==1) || (outstatefifo.first()==Intra4x4 && outChromaFlag==0)))
693 
               begin
694 
                  if(outChromaFlag==0)
695 
                     begin
696 
                        intraTopVal <= update(intraTopVal,zeroExtend(blockHor),{outputVector[3],outputVector[2],outputVector[1],outputVector[0]});
697 
                        if(outstatefifo.first()==Intra4x4)
698 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,cur_intra4x4_pred_mode);
699 
                        else if(outstatefifo.first()==Intra)
700 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,13);
701 
                        else
702 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,14);
703 
                     end
704 
                  else
705 
                     begin
706 
                        if(outBlockNum[2]==0)
707 
                           begin
708 
                              Vector#(4,Bit#(16)) intraTopValChroma0Next = intraTopValChroma0;
709 
                              intraTopValChroma0Next[{blockHor[0],1'b0}] = {outputVector[1],outputVector[0]};
710 
                              intraTopValChroma0Next[{blockHor[0],1'b1}] = {outputVector[3],outputVector[2]};
711 
                              intraTopValChroma0 <= intraTopValChroma0Next;
712 
                           end
713 
                        else
714 
                           begin
715 
                              Vector#(4,Bit#(16)) intraTopValChroma1Next = intraTopValChroma1;
716 
                              intraTopValChroma1Next[{blockHor[0],1'b0}] = {outputVector[1],outputVector[0]};
717 
                              intraTopValChroma1Next[{blockHor[0],1'b1}] = {outputVector[3],outputVector[2]};
718 
                              intraTopValChroma1 <= intraTopValChroma1Next;
719 
                           end
720 
                     end
721 
               end
722 
 
723 
            if(outChromaFlag==1 && outBlockNum==7)
724 
               begin
725 
                  Bit#(PicWidthSz) tempStoreAddr = truncate(currMbHor);
726 
                  InterBlockMv outBlockMv = interOutBlockMvfifo.first();
727 
                  if(outBlockMv matches tagged BlockMv .bdata)
728 
                     begin
729 
                        outBlockMv = (BlockMv {refIdx:bdata.refIdx,mvhor:bdata.mvhor,mvver:bdata.mvver,nonZeroTransCoeff:(interTopNonZeroTransCoeff[pixelVer]?1:0)});
730 
                        interOutBlockMvfifo.deq();
731 
                     end
732 
                  else if(pixelVer==3)
733 
                     interOutBlockMvfifo.deq();
734 
                  if(pixelVer==3 && picWidth>1)
735 
                     interMemReqQdelay <= StoreReq {addr:{tempStoreAddr,pixelVer},data:pack(outBlockMv)};
736 
                  else
737 
                     interMemReqQ.enq(StoreReq {addr:{tempStoreAddr,pixelVer},data:pack(outBlockMv)});
738 
                  if(pixelVer>0)
739 
                     begin
740 
                        Bit#(4)  intra4x4typeTopStore = ((outstatefifo.first()==Inter) ? 14 : ((outstatefifo.first()!=Intra4x4) ? 13: intra4x4typeTop[(pixelVer-1)]));
741 
                        Bit#(32) intraTopValStore = intraTopVal[(pixelVer-1)];
742 
                        Bit#(16) intraTopValChroma0Store = intraTopValChroma0[(pixelVer-1)];
743 
                        Bit#(16) intraTopValChroma1Store = (pixelVer<3 ? intraTopValChroma1[(pixelVer-1)] : {outputVector[1],outputVector[0]});
744 
                        Bit#(68) intraStore = {intra4x4typeTopStore,intraTopValChroma1Store,intraTopValChroma0Store,intraTopValStore};
745 
                        intraMemReqQ.enq(StoreReq {addr:{tempStoreAddr,(pixelVer-1)},data:intraStore});
746 
                        if(pixelVer==3)
747 
                           begin
748 
                              intra4x4typeTopStore = ((outstatefifo.first()==Inter) ? 14 : ((outstatefifo.first()!=Intra4x4) ? 13: intra4x4typeTop[3]));
749 
                              intraTopValStore = intraTopVal[3];
750 
                              intraTopValChroma0Store = intraTopValChroma0[3];
751 
                              intraTopValChroma1Store = {outputVector[3],outputVector[2]};
752 
                              intraStore = {intra4x4typeTopStore,intraTopValChroma1Store,intraTopValChroma0Store,intraTopValStore};
753 
                              intraMemReqQdelay <= StoreReq {addr:{tempStoreAddr,2'b11},data:intraStore};
754 
                           end
755 
                     end
756 
               end
757 
            outPixelNum <= outPixelNum+4;
758 
            if(outPixelNum == 12)
759 
               begin
760 
                  if(outChromaFlag==0)
761 
                     begin
762 
                        outBlockNum <= outBlockNum+1;
763 
                        if(outBlockNum == 15)
764 
                           outChromaFlag <= 1;
765 
                        if(nextoutputfifo.first() == Intra4x4)
766 
                           nextoutputfifo.deq();
767 
                     end
768 
                  else
769 
                     begin
770 
                        if(outBlockNum == 7)
771 
                           begin
772 
                              outBlockNum <= 0;
773 
                              outChromaFlag <= 0;
774 
                              currMb <= currMb+1;
775 
                              currMbHor <= currMbHor+1;
776 
                              interCurrMbDiff <= interCurrMbDiff-1;
777 
                              outstatefifo.deq;
778 
                              intrastate <= Start;
779 
                              if(truncate(currMbHor)==picWidth-1 && currMbVer==picHeight-1)
780 
                                 interpolator.endOfFrame();
781 
                              nextoutputfifo.deq();
782 
                           end
783 
                        else
784 
                           outBlockNum <= outBlockNum+1;
785 
                     end
786 
               end
787 
         end
788 
   endrule
789 
 
790 
 
791 
   rule currMbHorUpdate( !(currMbHor
792 
      Bit#(PicAreaSz) temp = zeroExtend(picWidth);
793 
      if((currMbHor >> 3) >= temp)
794 
         begin
795 
            currMbHor <= currMbHor - (temp << 3);
796 
            currMbVer <= currMbVer + 8;
797 
         end
798 
      else
799 
         begin
800 
            currMbHor <= currMbHor - temp;
801 
            currMbVer <= currMbVer + 1;
802 
         end
803 
      //$display( "Trace Prediction: currMbHorUpdate %h %h", currMbHor, currMbVer);
804 
   endrule
805 
 
806 
 
807 
   // inter prediction rules
808 
 
809 
   rule interSendReq ( interReqCount>0 && currMbHor
810 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
811 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
812 
      if( currMbHorTemp >= zeroExtend(picWidth) )
813 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
814 
      Bit#(PicWidthSz) temp2 = truncate(currMbHorTemp);
815 
      Bit#(TAdd#(PicWidthSz,2)) temp = 0;
816 
      Bool noMoreReq = False;
817 
      if( currMbTemp < zeroExtend(picWidth) )
818 
         noMoreReq = True;
819 
      else
820 
         begin
821 
            if(interReqCount<5)
822 
               begin
823 
                  Bit#(2) temp3 = truncate(interReqCount-1);
824 
                  temp = {temp2,temp3};
825 
               end
826 
            else if(interReqCount==5)
827 
               begin
828 
                  if((currMbHorTemp+1)
829 
                     temp = {(temp2+1),2'b00};
830 
                  else if(currMbHorTemp>0 && currMbTemp-firstMb>zeroExtend(picWidth))
831 
                     temp = {(temp2-1),2'b11};
832 
                  else
833 
                     noMoreReq = True;
834 
               end
835 
            else if(interReqCount==6)
836 
               begin
837 
                  if((currMbHorTemp+1)0 && currMbTemp-firstMb>zeroExtend(picWidth))
838 
                     temp = {(temp2-1),2'b11};
839 
                  else
840 
                     noMoreReq = True;
841 
               end
842 
            else
843 
               noMoreReq = True;
844 
         end
845 
      if(!noMoreReq)
846 
         begin
847 
            interMemReqQ.enq(LoadReq temp);
848 
            interReqCount <= interReqCount+1;
849 
            //$display( "TRACE Prediction: interSendReq addr %0d",temp);///////////////////////
850 
         end
851 
      else
852 
         interReqCount <= 0;
853 
      $display( "Trace Prediction: interSendReq %h %h %h", interstate, interReqCount, temp);
854 
   endrule
855 
 
856 
 
857 
   rule interReceiveNoResp ( interRespCount>0 && currMbHor
858 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
859 
      if( currMbHorTemp >= zeroExtend(picWidth) )
860 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
861 
      interRespCount <= 0;
862 
      interStepCount <= 1;
863 
      interIPStepCount <= 1;
864 
      if(currMbHorTemp == 0)
865 
         begin
866 
            interLeftVal <= replicate(NotInter 0);
867 
            interTopLeftVal <= replicate(NotInter 0);
868 
         end
869 
      $display( "Trace Prediction: interReceiveNoResp %h %h", interstate, interRespCount);
870 
   endrule
871 
 
872 
 
873 
   rule interReceiveResp ( interRespCount>0 && interRespCount<7 && currMbHor
874 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
875 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
876 
      if( currMbHorTemp >= zeroExtend(picWidth) )
877 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
878 
      Bool noMoreResp = False;
879 
      Bit#(2) temp2bit = 0;
880 
      InterBlockMv unpackedData = unpack(data);
881 
      Vector#(5,InterBlockMv) interTopValNext = interTopVal;
882 
      Vector#(4,InterBlockMv) interTopLeftValNext = interTopLeftVal;
883 
      if(interRespCount<5)
884 
         begin
885 
            temp2bit = truncate(interRespCount-1);
886 
            interTopValNext[temp2bit] = unpackedData;
887 
            if((interRespCount==4 || (interRespCount==1 && (interstate==InterPskip || interstate==InterP16x16 || interstate==InterP16x8)))
888 
               && (!((currMbHorTemp+1)0 && currMbTemp-firstMb>zeroExtend(picWidth))))
889 
               noMoreResp = True;
890 
         end
891 
      else if(interRespCount==5)
892 
         begin
893 
            if((currMbHorTemp+1)
894 
               begin
895 
                  interTopValNext[4] = unpackedData;
896 
                  if(!(currMbHorTemp>0 && currMbTemp-firstMb>zeroExtend(picWidth)))
897 
                     noMoreResp = True;
898 
               end
899 
            else
900 
               begin
901 
                  interTopLeftValNext[0] = unpackedData;
902 
                  noMoreResp = True;
903 
               end
904 
         end
905 
      else
906 
         begin
907 
            interTopLeftValNext[0] = unpackedData;
908 
            noMoreResp = True;
909 
         end
910 
      interMemRespQ.deq();
911 
      //$display( "TRACE Prediction: interReceiveResp data %h",data);///////////////////////
912 
      if(!noMoreResp)
913 
         interRespCount <= interRespCount+1;
914 
      else
915 
         begin
916 
            interRespCount <= 0;
917 
            interStepCount <= 1;
918 
            interIPStepCount <= 1;
919 
            if(currMbHorTemp == 0)
920 
               begin
921 
                  interLeftVal <= replicate(NotInter 0);
922 
                  interTopLeftValNext = replicate(NotInter 0);
923 
               end
924 
         end
925 
      interTopVal <= interTopValNext;
926 
      interTopLeftVal <= interTopLeftValNext;
927 
      $display( "Trace Prediction: interReceiveResp %h %h %h", interstate, interRespCount, data);
928 
   endrule
929 
 
930 
 
931 
   rule interProcessStep ( interStepCount>0 && currMbHor
932 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
933 
      Bit#(2) blockHor = {interMbPartNum[0],interSubMbPartNum[0]};
934 
      Bit#(2) blockVer = {interMbPartNum[1],interSubMbPartNum[1]};
935 
      Bit#(3) partWidth = 0;
936 
      Bit#(3) partHeight = 0;
937 
      Bit#(3) numPart = 1;
938 
      Bit#(3) numSubPart = 1;
939 
      Bit#(2) subMbType = 0;
940 
      Bool noBlockC = False;
941 
      Bool calcmv = False;
942 
      Bool leftmv = False;
943 
      if(interstate==InterPskip || interstate==InterP16x16)
944 
         begin
945 
            partWidth = 4;
946 
            partHeight = 4;
947 
            numPart = 1;
948 
            calcmv = (interMbPartNum==0 && interSubMbPartNum==0);
949 
            leftmv = (blockHor>0);
950 
         end
951 
      else if(interstate==InterP16x8)
952 
         begin
953 
            partWidth = 4;
954 
            partHeight = 2;
955 
            numPart = 2;
956 
            if(interMbPartNum==2)
957 
               noBlockC = True;
958 
            calcmv = (interMbPartNum[0]==0 && interSubMbPartNum==0);
959 
            leftmv = (blockHor>0);
960 
         end
961 
      else if(interstate==InterP8x16)
962 
         begin
963 
            partWidth = 2;
964 
            partHeight = 4;
965 
            numPart = 2;
966 
            calcmv = (interMbPartNum[1]==0 && interSubMbPartNum==0);
967 
            leftmv = !(blockVer>0);
968 
         end
969 
      else if(interstate==InterP8x8 || interstate==InterP8x8ref0)
970 
         begin
971 
            numPart = 4;
972 
            subMbType = interSubMbTypeVector[interMbPartNum];
973 
            numSubPart = numSubMbPart(subMbType);
974 
            case(subMbType)
975 
               0:
976 
               begin
977 
                  partWidth = 2;
978 
                  partHeight = 2;
979 
                  if(interMbPartNum==3)
980 
                     noBlockC = True;
981 
                  calcmv = (interSubMbPartNum==0);
982 
                  leftmv = (blockHor[0]>0);
983 
               end
984 
               1:
985 
               begin
986 
                  partWidth = 2;
987 
                  partHeight = 1;
988 
                  if(interSubMbPartNum==2)
989 
                     noBlockC = True;
990 
                  calcmv = (interSubMbPartNum[0]==0);
991 
                  leftmv = True;
992 
               end
993 
               2:
994 
               begin
995 
                  partWidth = 1;
996 
                  partHeight = 2;
997 
                  calcmv = (interSubMbPartNum[1]==0);
998 
                  leftmv = False;
999 
               end
1000 
               3:
1001 
               begin
1002 
                  partWidth = 1;
1003 
                  partHeight = 1;
1004 
                  if(interSubMbPartNum==3)
1005 
                     noBlockC = True;
1006 
                  calcmv = True;
1007 
               end
1008 
            endcase
1009 
         end
1010 
      else
1011 
         $display( "ERROR Prediction: interProcessStep unexpected interstate");
1012 
      Bit#(4) refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interMbPartNum]);
1013 
      Vector#(3,InterBlockMv) blockABC = replicate(NotInter 0);
1014 
      if( currMbTemp-firstMb==0 && blockHor==0 )
1015 
         blockABC[0] = (NotInter 0);
1016 
      else
1017 
         blockABC[0] = interLeftVal[blockVer];
1018 
      if( currMbTemp-firstMb
1019 
         blockABC[1] = (NotInter 0);
1020 
      else
1021 
         blockABC[1] = interTopVal[blockHor];
1022 
      blockABC[2] = interTopVal[{1'b0,blockHor}+partWidth];
1023 
      if(noBlockC || blockABC[2]==(NotInter 0))
1024 
         blockABC[2] = interTopLeftVal[blockVer];
1025 
      Bit#(14) mvhorfinal = 0;
1026 
      Bit#(12) mvverfinal = 0;
1027 
      Bit#(5) interNewestMvNext = 0;
1028 
      if(calcmv)//motion vector caculation
1029 
         begin
1030 
            Vector#(3,Int#(14)) mvhorABC = replicate(0);
1031 
            Vector#(3,Int#(12)) mvverABC = replicate(0);
1032 
            Bit#(2) validCount = 0;
1033 
            Bit#(14) mvhorPred = 0;
1034 
            Bit#(12) mvverPred = 0;
1035 
            for(Integer ii=0; ii<3; ii=ii+1)
1036 
               begin
1037 
                  if(blockABC[ii] matches tagged BlockMv .xdata)
1038 
                     begin
1039 
                        mvhorABC[ii] = unpack(xdata.mvhor);
1040 
                        mvverABC[ii] = unpack(xdata.mvver);
1041 
                        if(xdata.refIdx == refIndex)
1042 
                           begin
1043 
                              validCount = validCount+1;
1044 
                              mvhorPred = xdata.mvhor;
1045 
                              mvverPred = xdata.mvver;
1046 
                           end
1047 
                     end
1048 
                  else
1049 
                     begin
1050 
                        mvhorABC[ii] = 0;
1051 
                        mvverABC[ii] = 0;
1052 
                     end
1053 
               end
1054 
            if(validCount != 1)//median
1055 
               begin
1056 
                  if(mvhorABC[0]>mvhorABC[1] && mvhorABC[0]>mvhorABC[2])
1057 
                     mvhorPred = pack((mvhorABC[1]>mvhorABC[2]) ? mvhorABC[1] : mvhorABC[2]);
1058 
                  else if(mvhorABC[0]
1059 
                     mvhorPred = pack((mvhorABC[1]
1060 
                  else
1061 
                     mvhorPred = pack(mvhorABC[0]);
1062 
                  if(mvverABC[0]>mvverABC[1] && mvverABC[0]>mvverABC[2])
1063 
                     mvverPred = pack((mvverABC[1]>mvverABC[2]) ? mvverABC[1] : mvverABC[2]);
1064 
                  else if(mvverABC[0]
1065 
                     mvverPred = pack((mvverABC[1]
1066 
                  else
1067 
                     mvverPred = pack(mvverABC[0]);
1068 
               end
1069 
            if(interstate==InterPskip)
1070 
               begin
1071 
                  for(Integer ii=0; ii<2; ii=ii+1)
1072 
                     begin
1073 
                        if(blockABC[ii] matches tagged BlockMv .xdata)
1074 
                           begin
1075 
                              if(xdata.refIdx==0 && xdata.mvhor==0 && xdata.mvver==0)
1076 
                                 begin
1077 
                                    mvhorPred = 0;
1078 
                                    mvverPred = 0;
1079 
                                 end
1080 
                           end
1081 
                        else if(blockABC[ii] matches tagged NotInter 0)
1082 
                           begin
1083 
                              mvhorPred = 0;
1084 
                              mvverPred = 0;
1085 
                           end
1086 
                     end
1087 
               end
1088 
            else if(interstate==InterP16x8 || interstate==InterP8x16)
1089 
               begin
1090 
                  InterBlockMv blockCheck;
1091 
                  if(interstate==InterP16x8)
1092 
                     begin
1093 
                        if(interMbPartNum==0)
1094 
                           blockCheck = blockABC[1];
1095 
                        else
1096 
                           blockCheck = blockABC[0];
1097 
                     end
1098 
                  else
1099 
                     begin
1100 
                        if(interMbPartNum==0)
1101 
                           blockCheck = blockABC[0];
1102 
                        else
1103 
                           blockCheck = blockABC[2];
1104 
                     end
1105 
                  if(blockCheck matches tagged BlockMv .xdata &&& xdata.refIdx==refIndex)
1106 
                     begin
1107 
                        mvhorPred = xdata.mvhor;
1108 
                        mvverPred = xdata.mvver;
1109 
                     end
1110 
               end
1111 
            mvhorfinal = mvhorPred;
1112 
            mvverfinal = mvverPred;
1113 
            if(interstate!=InterPskip)
1114 
               begin
1115 
                  mvhorfinal = truncate(tpl_1(interMvDiff.first()) + signExtend(mvhorPred));
1116 
                  mvverfinal = truncate(tpl_2(interMvDiff.first()) + signExtend(mvverPred));
1117 
                  interMvDiff.deq();
1118 
               end
1119 
            interMvFile.upd({interMbPartNum,interSubMbPartNum},tuple2(mvhorfinal,mvverfinal));
1120 
            interNewestMvNext = zeroExtend({interMbPartNum,interSubMbPartNum})+1;
1121 
            $display( "Trace Prediction: interProcessStep %h %h %h %h %h %h %h %h %h", interstate, interStepCount, interMbPartNum, interSubMbPartNum, pack(blockABC[0]), pack(blockABC[1]), pack(blockABC[2]), mvhorPred, mvverPred);
1122 
         end
1123 
      else
1124 
         begin
1125 
            if(leftmv)
1126 
               begin
1127 
                  if(blockABC[0] matches tagged BlockMv .xdata)
1128 
                     begin
1129 
                        mvhorfinal = unpack(xdata.mvhor);
1130 
                        mvverfinal = unpack(xdata.mvver);
1131 
                     end
1132 
                  else
1133 
                     $display( "ERROR Prediction: interProcessStep unexpected blockABC[0]");
1134 
               end
1135 
            else
1136 
               begin
1137 
                  if(blockABC[1] matches tagged BlockMv .xdata)
1138 
                     begin
1139 
                        mvhorfinal = unpack(xdata.mvhor);
1140 
                        mvverfinal = unpack(xdata.mvver);
1141 
                     end
1142 
                  else
1143 
                     $display( "ERROR Prediction: interProcessStep unexpected blockABC[1]");
1144 
               end
1145 
         end
1146 
      Bit#(2) tempBShor = 0;//bS calculation
1147 
      Bit#(2) tempBSver = 0;
1148 
      if(interLeftVal[blockVer] matches tagged BlockMv .xdata)
1149 
         begin
1150 
            if(xdata.nonZeroTransCoeff == 1)
1151 
               tempBShor = 2;
1152 
            else
1153 
               begin
1154 
                  if(xdata.refIdx!=refIndex || absDiffGEFour14(mvhorfinal,xdata.mvhor) || absDiffGEFour12(mvverfinal,xdata.mvver))
1155 
                     tempBShor = 1;
1156 
                  else
1157 
                     tempBShor = 0;
1158 
               end
1159 
         end
1160 
      else
1161 
         tempBShor = 3;
1162 
      if(interTopVal[blockHor] matches tagged BlockMv .xdata)
1163 
         begin
1164 
            if(xdata.nonZeroTransCoeff == 1)
1165 
               tempBSver = 2;
1166 
            else
1167 
               begin
1168 
                  if(xdata.refIdx!=refIndex || absDiffGEFour14(mvhorfinal,xdata.mvhor) || absDiffGEFour12(mvverfinal,xdata.mvver))
1169 
                     tempBSver = 1;
1170 
                  else
1171 
                     tempBSver = 0;
1172 
               end
1173 
         end
1174 
      else
1175 
         tempBSver = 3;
1176 
      interBSfifo.enq(tuple2(tempBShor,tempBSver));
1177 
      Vector#(5,InterBlockMv) interTopValNext = interTopVal;//update inter*Val
1178 
      Vector#(4,InterBlockMv) interLeftValNext = interLeftVal;
1179 
      Vector#(4,InterBlockMv) interTopLeftValNext = interTopLeftVal;
1180 
      interLeftValNext[blockVer] = (BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1181 
      interTopValNext[blockHor] = (BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1182 
      interTopLeftValNext[blockVer] = interTopVal[blockHor];
1183 
      interTopVal <= interTopValNext;
1184 
      interLeftVal <= interLeftValNext;
1185 
      interTopLeftVal <= interTopLeftValNext;
1186 
      if(blockVer == 3)
1187 
         interOutBlockMvfifo.enq(BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1188 
      if(interSubMbPartNum == 3)//next step
1189 
         begin
1190 
            interSubMbPartNum <= 0;
1191 
            if(interMbPartNum == 3)
1192 
               begin
1193 
                  interMbPartNum <= 0;
1194 
                  interStepCount <= 0;
1195 
                  interNewestMvNext = 16;
1196 
               end
1197 
            else
1198 
               interMbPartNum <= interMbPartNum+1;
1199 
         end
1200 
      else
1201 
         interSubMbPartNum <= interSubMbPartNum+1;
1202 
      if(interNewestMvNext > 0)
1203 
         interNewestMv <= interNewestMvNext;
1204 
   endrule
1205 
 
1206 
 
1207 
   rule interIPProcessStep ( interIPStepCount>0 && currMbHorzeroExtend({interIPMbPartNum,interIPSubMbPartNum}) );
1208 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
1209 
      Bit#(PicHeightSz) currMbVerTemp = currMbVer;
1210 
      if( currMbHorTemp >= zeroExtend(picWidth) )
1211 
         begin
1212 
            currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
1213 
            currMbVerTemp = currMbVerTemp+1;
1214 
         end
1215 
      Bit#(2) blockHor = {interIPMbPartNum[0],interIPSubMbPartNum[0]};
1216 
      Bit#(2) blockVer = {interIPMbPartNum[1],interIPSubMbPartNum[1]};
1217 
      Bit#(3) numPart = 1;
1218 
      Bit#(3) numSubPart = 1;
1219 
      Bit#(2) subMbType = 0;
1220 
      if(interstate==InterPskip || interstate==InterP16x16)
1221 
         numPart = 1;
1222 
      else if(interstate==InterP16x8)
1223 
         numPart = 2;
1224 
      else if(interstate==InterP8x16)
1225 
         numPart = 2;
1226 
      else if(interstate==InterP8x8 || interstate==InterP8x8ref0)
1227 
         begin
1228 
            numPart = 4;
1229 
            subMbType = interSubMbTypeVector[interIPMbPartNum];
1230 
            numSubPart = numSubMbPart(subMbType);
1231 
         end
1232 
      else
1233 
         $display( "ERROR Prediction: interIPProcessStep unexpected interstate");
1234 
      Bit#(4) refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interIPMbPartNum]);
1235 
      Bit#(PicWidthSz) currMbHorT = truncate(currMbHorTemp);
1236 
      Bit#(TAdd#(PicWidthSz,2)) horTemp = {currMbHorT,blockHor};
1237 
      Bit#(TAdd#(PicHeightSz,4)) verTemp = {currMbVerTemp,blockVer,2'b00};
1238 
      IPBlockType btTemp = IP16x16;
1239 
      if(interstate==InterPskip || interstate==InterP16x16)
1240 
         btTemp = IP16x16;
1241 
      else if(interstate==InterP16x8)
1242 
         btTemp = IP16x8;
1243 
      else if(interstate==InterP8x16)
1244 
         btTemp = IP8x16;
1245 
      else
1246 
         begin
1247 
            case(subMbType)
1248 
               0: btTemp = IP8x8;
1249 
               1: btTemp = IP8x4;
1250 
               2: btTemp = IP4x8;
1251 
               3: btTemp = IP4x4;
1252 
            endcase
1253 
         end
1254 
      Bit#(14) mvhorTemp = tpl_1(interMvFile.sub({interIPMbPartNum,interIPSubMbPartNum}));
1255 
      Bit#(12) mvverTemp = tpl_2(interMvFile.sub({interIPMbPartNum,interIPSubMbPartNum}));
1256 
      if(interIPStepCount == 1)
1257 
         begin
1258 
            if(!(interstate==InterP8x8 || interstate==InterP8x8ref0))
1259 
               begin
1260 
                  numPart = 4;
1261 
                  Bit#(2) interIPMbPartNumTemp = interIPMbPartNum;
1262 
                  if(btTemp==IP16x16)
1263 
                     interIPMbPartNumTemp = 0;
1264 
                  else if(btTemp==IP16x8 && interIPMbPartNumTemp[0]==1)
1265 
                     interIPMbPartNumTemp = interIPMbPartNumTemp-1;
1266 
                  else if(btTemp==IP8x16 && interIPMbPartNumTemp[1]==1)
1267 
                     interIPMbPartNumTemp = interIPMbPartNumTemp-2;
1268 
                  refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interIPMbPartNumTemp]);
1269 
                  btTemp = IP8x8;
1270 
                  mvhorTemp = tpl_1(interMvFile.sub({interIPMbPartNumTemp,2'b00}));
1271 
                  mvverTemp = tpl_2(interMvFile.sub({interIPMbPartNumTemp,2'b00}));
1272 
                  interpolator.request(IPLuma {refIdx:refIndex,hor:horTemp,ver:verTemp,mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1273 
               end
1274 
            else
1275 
               interpolator.request(IPLuma {refIdx:refIndex,hor:horTemp,ver:verTemp,mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1276 
         end
1277 
      else
1278 
         interpolator.request(IPChroma {refIdx:refIndex,uv:interIPStepCount[0],hor:horTemp,ver:truncate(verTemp>>1),mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1279 
      if(interIPSubMbPartNum >= truncate(numSubPart-1))
1280 
         begin
1281 
            interIPSubMbPartNum <= 0;
1282 
            if(interIPMbPartNum >= truncate(numPart-1))
1283 
               begin
1284 
                  interIPMbPartNum <= 0;
1285 
                  interIPStepCount <= interIPStepCount+1;
1286 
               end
1287 
            else
1288 
               begin
1289 
                  if(btTemp == IP16x8)
1290 
                     interIPMbPartNum <= 2;
1291 
                  else
1292 
                     interIPMbPartNum <= interIPMbPartNum+1;
1293 
               end
1294 
         end
1295 
      else
1296 
         begin
1297 
            if(subMbType == 1)
1298 
               interIPSubMbPartNum <= 2;
1299 
            else
1300 
               interIPSubMbPartNum <= interIPSubMbPartNum+1;
1301 
         end
1302 
      $display( "Trace Prediction: interIPProcessStep %h %h %h %h %h %h %h %h %h %h", interstate, interIPStepCount, interIPMbPartNum, interIPSubMbPartNum, refIndex, horTemp, verTemp, mvhorTemp, mvverTemp, pack(btTemp));
1303 
   endrule
1304 
 
1305 
 
1306 
   rule interDone ( interstate!=Start && interReqCount==0 && interRespCount==0 && interStepCount==0 && interIPStepCount==0 );
1307 
      interstate <= Start;
1308 
      //$display( "Trace Prediction: interOutputTransfer %h %h", interstate, interOutputCount);
1309 
   endrule
1310 
 
1311 
 
1312 
   rule interOutputTransfer ( True );
1313 
      predictedfifo.enq(interpolator.first());
1314 
      interpolator.deq();
1315 
      //$display( "Trace Prediction: interOutputTransfer %h %h", interstate, interOutputCount);
1316 
   endrule
1317 
 
1318 
 
1319 
 
1320 
   // intra prediction rules
1321 
 
1322 
   rule intraSendReq ( intraReqCount>0 && currMbHor
1323 
      Bit#(PicWidthSz) temp2 = truncate(currMbHor);
1324 
      Bit#(TAdd#(PicWidthSz,2)) temp = 0;
1325 
      Bit#(1) noMoreReq = 0;
1326 
      if( currMb-firstMb < zeroExtend(picWidth) )
1327 
         noMoreReq = 1;
1328 
      else
1329 
         begin
1330 
            if(intraReqCount<5)
1331 
               begin
1332 
                  Bit#(2) temp3 = truncate(intraReqCount-1);
1333 
                  temp = {temp2,temp3};
1334 
               end
1335 
            else if(intraReqCount==5)
1336 
               begin
1337 
                  if((currMbHor+1)
1338 
                     temp = {(temp2+1),2'b00};
1339 
                  else if(currMbHor>0 && currMb-firstMb>zeroExtend(picWidth))
1340 
                     temp = {(temp2-1),2'b11};
1341 
                  else
1342 
                     noMoreReq = 1;
1343 
               end
1344 
            else if(intraReqCount==6)
1345 
               begin
1346 
                  if((currMbHor+1)0 && currMb-firstMb>zeroExtend(picWidth))
1347 
                     temp = {(temp2-1),2'b11};
1348 
                  else
1349 
                     noMoreReq = 1;
1350 
               end
1351 
            else
1352 
               noMoreReq = 1;
1353 
         end
1354 
      if(noMoreReq == 0)
1355 
         begin
1356 
            intraMemReqQ.enq(LoadReq temp);
1357 
            intraReqCount <= intraReqCount+1;
1358 
            //$display( "TRACE Prediction: intraSendReq addr %0d",temp);///////////////////////
1359 
         end
1360 
      else
1361 
         intraReqCount <= 0;
1362 
      $display( "Trace Prediction: intraSendReq");
1363 
   endrule
1364 
 
1365 
 
1366 
   rule intraReceiveNoResp ( intraRespCount>0 && currMbHor
1367 
      intra4x4typeTop <= replicate(15);
1368 
      intraRespCount <= 0;
1369 
      intraStepCount <= 1;
1370 
      blockNum <= 0;
1371 
      pixelNum <= 0;
1372 
      interOutBlockMvfifo.enq(NotInter 1);
1373 
      $display( "Trace Prediction: intraReceiveNoResp");
1374 
   endrule
1375 
 
1376 
 
1377 
   rule intraReceiveResp ( intraRespCount>0 && intraRespCount<7 && currMbHor
1378 
      Bit#(1) noMoreResp = 0;
1379 
      Bit#(2) temp2bit = 0;
1380 
      if(intraRespCount<5)
1381 
         begin
1382 
            temp2bit = truncate(intraRespCount-1);
1383 
            intra4x4typeTop <= update(intra4x4typeTop, temp2bit, data[67:64]);
1384 
            if(intraRespCount==4)
1385 
               begin
1386 
                  Vector#(5,Bit#(32)) intraTopValTemp = intraTopVal;
1387 
                  intraTopValTemp[3] = data[31:0];
1388 
                  intraTopValTemp[4] = {data[31:24],data[31:24],data[31:24],data[31:24]};
1389 
                  intraTopVal <= intraTopValTemp;
1390 
                  if(!((currMbHor+1)0 && currMb-firstMb>zeroExtend(picWidth)))
1391 
                     noMoreResp = 1;
1392 
               end
1393 
            else
1394 
               intraTopVal <= update(intraTopVal, intraRespCount-1, data[31:0]);
1395 
            intraTopValChroma0 <= update(intraTopValChroma0, temp2bit, data[47:32]);
1396 
            intraTopValChroma1 <= update(intraTopValChroma1, temp2bit, data[63:48]);
1397 
         end
1398 
      else if(intraRespCount==5)
1399 
         begin
1400 
            if((currMbHor+1)
1401 
               begin
1402 
                  if(!(data[67:64]==15 || (data[67:64]==14 && ppsconstrained_intra_pred_flag==1)))
1403 
                     intraTopVal <= update(intraTopVal, 4, data[31:0]);
1404 
                  if(!(currMbHor>0 && currMb-firstMb>zeroExtend(picWidth)))
1405 
                     noMoreResp = 1;
1406 
               end
1407 
            else
1408 
               begin
1409 
                  Bit#(40) temp2 = intraLeftVal[0];
1410 
                  intraLeftVal <= update(intraLeftVal, 0, {temp2[39:8],data[31:24]});
1411 
                  intraLeftValChroma0 <= update(intraLeftValChroma0, 0, data[47:40]);
1412 
                  intraLeftValChroma1 <= update(intraLeftValChroma1, 0, data[63:56]);
1413 
                  noMoreResp = 1;
1414 
               end
1415 
         end
1416 
      else
1417 
         begin
1418 
            Bit#(40) temp2 = intraLeftVal[0];
1419 
            intraLeftVal <= update(intraLeftVal, 0, {temp2[39:8],data[31:24]});
1420 
            intraLeftValChroma0 <= update(intraLeftValChroma0, 0, data[47:40]);
1421 
            intraLeftValChroma1 <= update(intraLeftValChroma1, 0, data[63:56]);
1422 
            noMoreResp = 1;
1423 
         end
1424 
      intraMemRespQ.deq();
1425 
      //$display( "TRACE Prediction: intraReceiveResp data %h",data);///////////////////////
1426 
      if(noMoreResp == 0)
1427 
         intraRespCount <= intraRespCount+1;
1428 
      else
1429 
         begin
1430 
            intraRespCount <= 0;
1431 
            intraStepCount <= 1;
1432 
            blockNum <= 0;
1433 
            pixelNum <= 0;
1434 
            interOutBlockMvfifo.enq(NotInter 1);
1435 
         end
1436 
      $display( "Trace Prediction: intraReceiveResp");
1437 
   endrule
1438 
 
1439 
 
1440 
   rule intraPredTypeStep ( intraStepCount==1 && !nextoutputfifo.notEmpty());
1441 
      Bit#(2) blockHor = {blockNum[2],blockNum[0]};
1442 
      Bit#(2) blockVer = {blockNum[3],blockNum[1]};
1443 
      Bit#(4) topType = select(intra4x4typeTop, blockHor);
1444 
      Bit#(4) leftType;
1445 
      if(currMbHor!=0 || blockNum!=0)
1446 
         leftType = select(intra4x4typeLeft, blockVer);
1447 
      else
1448 
         begin
1449 
            leftType = 15;
1450 
            intra4x4typeLeft <= replicate(15);
1451 
         end
1452 
      if(intrastate!=Intra4x4)
1453 
         begin
1454 
            intraStepCount <= intraStepCount+1;
1455 
            nextoutputfifo.enq(NonSkipMB);
1456 
         end
1457 
      else
1458 
         begin
1459 
            Bit#(1) topAvailable;
1460 
            Bit#(1) leftAvailable;
1461 
            if(topType==15 || (topType==14 && ppsconstrained_intra_pred_flag==1))
1462 
               topAvailable = 0;
1463 
            else
1464 
               topAvailable = 1;
1465 
            if(leftType==15 || (leftType==14 && ppsconstrained_intra_pred_flag==1))
1466 
               leftAvailable = 0;
1467 
            else
1468 
               leftAvailable = 1;
1469 
            Bit#(4) predType = 0;
1470 
            Bit#(4) remType = rem_intra4x4_pred_mode.first();
1471 
            Bit#(4) curType = 0;
1472 
            rem_intra4x4_pred_mode.deq();
1473 
            if(topAvailable==0 || leftAvailable==0)
1474 
               predType = 2;
1475 
            else
1476 
               begin
1477 
                  Bit#(4) topType2 = topType;
1478 
                  Bit#(4) leftType2 = leftType;
1479 
                  if(topType>8)
1480 
                     topType2 = 2;
1481 
                  if(leftType>8)
1482 
                     leftType2 = 2;
1483 
                  if(topType2 > leftType2)
1484 
                     predType = leftType2;
1485 
                  else
1486 
                     predType = topType2;
1487 
               end
1488 
            if(remType[3] == 1)
1489 
               curType = predType;
1490 
            else if(remType < predType)
1491 
               curType = remType;
1492 
            else
1493 
               curType = remType+1;
1494 
            cur_intra4x4_pred_mode <= curType;
1495 
            intraStepCount <= intraStepCount+1;
1496 
            if(blockNum == 15)
1497 
               nextoutputfifo.enq(Intra4x4PlusChroma);
1498 
            else
1499 
               nextoutputfifo.enq(Intra4x4);
1500 
            $display( "TRACE Prediction: intraPredTypeStep currMbHor currMbVer blockNum topType leftType predType remType curType %0d %0d %0d %0d %0d %0d %0d %0d",currMbHor,currMbVer,blockNum,topType,leftType,predType,remType,curType);//////////////////
1501 
         end
1502 
      //$display( "Trace Prediction: intraPredTypeStep");
1503 
   endrule
1504 
 
1505 
 
1506 
   rule intraProcessStep ( intraStepCount>1 );
1507 
      $display( "TRACE Prediction: intraProcessStep %0d %0d", blockNum, pixelNum);////////////////////
1508 
      //$display( "TRACE Prediction: intraProcessStep intraTopVal %h %h %h %h %h",intraTopVal[4],intraTopVal[3],intraTopVal[2],intraTopVal[1],intraTopVal[0]);/////////////////
1509 
      Bit#(1) outFlag  = 0;
1510 
      Bit#(4) nextIntraStepCount = intraStepCount+1;
1511 
      Bit#(2) blockHor = {blockNum[2],blockNum[0]};
1512 
      Bit#(2) blockVer = {blockNum[3],blockNum[1]};
1513 
      Bit#(2) pixelHor = {pixelNum[1],pixelNum[0]};
1514 
      Bit#(2) pixelVer = {pixelNum[3],pixelNum[2]};
1515 
      Vector#(4,Bit#(8)) predVector = intraPredVector;
1516 
 
1517 
      Bit#(4) topType = select(intra4x4typeTop, blockHor);
1518 
      Bit#(4) leftType = select(intra4x4typeLeft, blockVer);
1519 
      Bit#(1) topAvailable;
1520 
      Bit#(1) leftAvailable;
1521 
      if(topType==15 || (topType==14 && ppsconstrained_intra_pred_flag==1))
1522 
         topAvailable = 0;
1523 
      else
1524 
         topAvailable = 1;
1525 
      if(leftType==15 || (leftType==14 && ppsconstrained_intra_pred_flag==1))
1526 
         leftAvailable = 0;
1527 
      else
1528 
         leftAvailable = 1;
1529 
      if(blockNum==0 && pixelNum==0 && intraChromaFlag==0)
1530 
         begin
1531 
            intraChromaTopAvailable <= topAvailable;
1532 
            intraChromaLeftAvailable <= leftAvailable;
1533 
         end
1534 
      if(intrastate==Intra4x4 && intraChromaFlag==0)
1535 
         begin
1536 
            if(intraStepCount==2)
1537 
               begin
1538 
                  outFlag = 1;
1539 
                  Bit#(40) leftValSet = select(intraLeftVal,blockVer);
1540 
                  Bit#(32) topMidValSet = select(intraTopVal,zeroExtend(blockHor));
1541 
                  Bit#(32) topRightValSet = select(intraTopVal,{1'b0,blockHor}+1);
1542 
                  Bit#(72) topValSet;
1543 
                  if((blockNum[3:2]==3 && blockNum[0]==1) || blockNum[1:0]==3)
1544 
                     topValSet = {topMidValSet[31:24],topMidValSet[31:24],topMidValSet[31:24],topMidValSet[31:24],topMidValSet,leftValSet[7:0]};
1545 
                  else
1546 
                     topValSet = {topRightValSet,topMidValSet,leftValSet[7:0]};
1547 
                  //$display( "TRACE Prediction: intraProcessStep intra4x4 %0d %0d %h %h", cur_intra4x4_pred_mode, blockNum, leftValSet, topValSet);////////////////////
1548 
                  Bit#(4) topSelect1 = 0;
1549 
                  Bit#(4) topSelect2 = 0;
1550 
                  Bit#(4) topSelect3 = 0;
1551 
                  Bit#(3) leftSelect1 = 0;
1552 
                  Bit#(3) leftSelect2 = 0;
1553 
                  Bit#(3) leftSelect3 = 0;
1554 
                  Bit#(10) tempVal1 = 0;
1555 
                  Bit#(10) tempVal2 = 0;
1556 
                  Bit#(10) tempVal3 = 0;
1557 
                  case(cur_intra4x4_pred_mode)
1558 
                     0://vertical
1559 
                     begin
1560 
                        topSelect1 = zeroExtend(pixelHor);
1561 
                        Bit#(8) topVal = intra4x4SelectTop(topValSet,topSelect1);
1562 
                        predVector[pixelHor] = topVal;
1563 
                     end
1564 
                     1://horizontal
1565 
                     begin
1566 
                        leftSelect1 = zeroExtend(pixelVer);
1567 
                        Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,leftSelect1);
1568 
                        predVector[pixelHor] = leftVal;
1569 
                     end
1570 
                     2://dc
1571 
                     begin
1572 
                        Bit#(10) tempTopSum = zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24])+zeroExtend(topValSet[39:32]) + 2;
1573 
                        Bit#(10) tempLeftSum = zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]) + 2;
1574 
                        Bit#(11) tempTotalSum = zeroExtend(tempTopSum)+zeroExtend(tempLeftSum);
1575 
                        Bit#(8) topSum = tempTopSum[9:2];
1576 
                        Bit#(8) leftSum = tempLeftSum[9:2];
1577 
                        Bit#(8) totalSum = tempTotalSum[10:3];
1578 
                        if(topAvailable==1 && leftAvailable==1)
1579 
                           predVector[pixelHor] = totalSum;
1580 
                        else if(topAvailable==1)
1581 
                           predVector[pixelHor] = topSum;
1582 
                        else if(leftAvailable==1)
1583 
                           predVector[pixelHor] = leftSum;
1584 
                        else
1585 
                           predVector[pixelHor] = 8'b10000000;
1586 
                     end
1587 
                     3://diagonal down left
1588 
                     begin
1589 
                        Bit#(4) selectNum = zeroExtend(pixelHor)+zeroExtend(pixelVer);
1590 
                        if(pixelHor==3 && pixelVer==3)
1591 
                           begin
1592 
                              topSelect1 = 6;
1593 
                              topSelect2 = 7;
1594 
                              topSelect3 = 7;
1595 
                           end
1596 
                        else
1597 
                           begin
1598 
                              topSelect1 = selectNum;
1599 
                              topSelect2 = selectNum+1;
1600 
                              topSelect3 = selectNum+2;
1601 
                           end
1602 
                        tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1603 
                        tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1604 
                        tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1605 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1606 
                        predVector[pixelHor] = predVal[9:2];
1607 
                     end
1608 
                     4://diagonal down right
1609 
                     begin
1610 
                        if(pixelHor > pixelVer)
1611 
                           begin
1612 
                              topSelect3 = zeroExtend(pixelHor)-zeroExtend(pixelVer);
1613 
                              topSelect2 = topSelect3-1;
1614 
                              topSelect1 = topSelect3-2;
1615 
                              tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1616 
                              tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1617 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1618 
                           end
1619 
                        else if(pixelHor < pixelVer)
1620 
                           begin
1621 
                              leftSelect3 = zeroExtend(pixelVer)-zeroExtend(pixelHor);
1622 
                              leftSelect2 = leftSelect3-1;
1623 
                              leftSelect1 = leftSelect3-2;
1624 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1625 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1626 
                              tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1627 
                           end
1628 
                        else
1629 
                           begin
1630 
                              leftSelect1 = 0;
1631 
                              leftSelect2 = -1;
1632 
                              topSelect1 = 0;
1633 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1634 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1635 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1636 
                           end
1637 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1638 
                        predVector[pixelHor] = predVal[9:2];
1639 
                     end
1640 
                     5://vertical right
1641 
                     begin
1642 
                        Bit#(4) tempPixelHor = zeroExtend(pixelHor);
1643 
                        Bit#(4) zVR = (tempPixelHor<<1)-zeroExtend(pixelVer);
1644 
                        if(zVR<=6 && zVR>=0)
1645 
                           begin
1646 
                              topSelect3 = zeroExtend(pixelHor)-zeroExtend(pixelVer>>1);
1647 
                              topSelect2 = topSelect3-1;
1648 
                              if(zVR==1 || zVR==3 || zVR==5)
1649 
                                 topSelect1 = topSelect3-2;
1650 
                              else
1651 
                                 topSelect1 = topSelect3;
1652 
                              tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1653 
                              tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1654 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1655 
                           end
1656 
                        else if(zVR==-1)
1657 
                           begin
1658 
                              leftSelect1 = 0;
1659 
                              leftSelect2 = -1;
1660 
                              topSelect1 = 0;
1661 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1662 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1663 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1664 
                           end
1665 
                        else
1666 
                           begin
1667 
                              leftSelect1 = zeroExtend(pixelVer)-1;
1668 
                              leftSelect2 = leftSelect1-1;
1669 
                              leftSelect3 = leftSelect1-2;
1670 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1671 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1672 
                              tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1673 
                           end
1674 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1675 
                        predVector[pixelHor] = predVal[9:2];
1676 
                     end
1677 
                     6://horizontal down
1678 
                     begin
1679 
                        Bit#(4) tempPixelVer = zeroExtend(pixelVer);
1680 
                        Bit#(4) zHD = (tempPixelVer<<1)-zeroExtend(pixelHor);
1681 
                        if(zHD<=6 && zHD>=0)
1682 
                           begin
1683 
                              leftSelect3 = zeroExtend(pixelVer)-zeroExtend(pixelHor>>1);
1684 
                              leftSelect2 = leftSelect3-1;
1685 
                              if(zHD==1 || zHD==3 || zHD==5)
1686 
                                 leftSelect1 = leftSelect3-2;
1687 
                              else
1688 
                                 leftSelect1 = leftSelect3;
1689 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1690 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1691 
                              tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1692 
                           end
1693 
                        else if(zHD==-1)
1694 
                           begin
1695 
                              leftSelect1 = 0;
1696 
                              leftSelect2 = -1;
1697 
                              topSelect1 = 0;
1698 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1699 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1700 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1701 
                           end
1702 
                        else
1703 
                           begin
1704 
                              topSelect1 = zeroExtend(pixelHor)-1;
1705 
                              topSelect2 = topSelect1-1;
1706 
                              topSelect3 = topSelect1-2;
1707 
                              tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1708 
                              tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1709 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1710 
                           end
1711 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1712 
                        predVector[pixelHor] = predVal[9:2];
1713 
                     end
1714 
                     7://vertical left
1715 
                     begin
1716 
                        topSelect1 = zeroExtend(pixelHor)+zeroExtend(pixelVer>>1);
1717 
                        topSelect2 = topSelect1+1;
1718 
                        if(pixelVer==1 || pixelVer==3)
1719 
                           topSelect3 = topSelect1+2;
1720 
                        else
1721 
                           topSelect3 = topSelect1;
1722 
                        tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1723 
                        tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1724 
                        tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1725 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1726 
                        predVector[pixelHor] = predVal[9:2];
1727 
                     end
1728 
                     8://horizontal up
1729 
                     begin
1730 
                        Bit#(4) tempPixelVer = zeroExtend(pixelVer);
1731 
                        Bit#(4) zHU = (tempPixelVer<<1)+zeroExtend(pixelHor);
1732 
                        if(zHU<=4)
1733 
                           begin
1734 
                              leftSelect1 = zeroExtend(pixelVer)+zeroExtend(pixelHor>>1);
1735 
                              leftSelect2 = leftSelect1+1;
1736 
                              if(zHU==1 || zHU==3)
1737 
                                 leftSelect3 = leftSelect1+2;
1738 
                              else
1739 
                                 leftSelect3 = leftSelect1;
1740 
                           end
1741 
                        else
1742 
                           begin
1743 
                              if(zHU==5)
1744 
                                 leftSelect1 = 2;
1745 
                              else
1746 
                                 leftSelect1 = 3;
1747 
                              leftSelect2 = 3;
1748 
                              leftSelect3 = 3;
1749 
                           end
1750 
                        tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1751 
                        tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1752 
                        tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1753 
                        Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1754 
                        predVector[pixelHor] = predVal[9:2];
1755 
                     end
1756 
                     default: $display( "ERROR Prediction: intraProcessStep intra4x4 unknown cur_intra4x4_pred_mode");
1757 
                  endcase
1758 
               end
1759 
            else
1760 
               $display( "ERROR Prediction: intraProcessStep intra4x4 unknown intraStepCount");
1761 
         end
1762 
      else if(intrastate==Intra16x16  && intraChromaFlag==0)
1763 
         begin
1764 
            //$display( "TRACE Prediction: intraProcessStep intra16x16 %0d %0d %0d %h", intra16x16_pred_mode, currMb, blockNum, select(intraTopVal,blockHor));/////////////////
1765 
            case(intra16x16_pred_mode)
1766 
               0://vertical
1767 
               begin
1768 
                  Bit#(32) topValSet = select(intraTopVal,blockHor);
1769 
                  Bit#(8) topVal = select32to8(topValSet,pixelHor);
1770 
                  predVector[pixelHor] = topVal;
1771 
                  outFlag = 1;
1772 
               end
1773 
               1://horizontal
1774 
               begin
1775 
                  Bit#(40) leftValSet = select(intraLeftVal,blockVer);
1776 
                  Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,zeroExtend(pixelVer));
1777 
                  predVector[pixelHor] = leftVal;
1778 
                  outFlag = 1;
1779 
               end
1780 
               2://dc
1781 
               begin
1782 
                  case(intraStepCount)
1783 
                     2:
1784 
                     begin
1785 
                        if(topAvailable == 1)
1786 
                           begin
1787 
                              Bit#(32) topValSet = select(intraTopVal,0);
1788 
                              intraSumA <= zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1789 
                           end
1790 
                        else
1791 
                           begin
1792 
                              intraSumA <= 0;
1793 
                              nextIntraStepCount = 6;
1794 
                           end
1795 
                     end
1796 
                     3:
1797 
                     begin
1798 
                        Bit#(32) topValSet = select(intraTopVal,1);
1799 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1800 
                     end
1801 
                     4:
1802 
                     begin
1803 
                        Bit#(32) topValSet = select(intraTopVal,2);
1804 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1805 
                     end
1806 
                     5:
1807 
                     begin
1808 
                        Bit#(32) topValSet = select(intraTopVal,3);
1809 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24])+8;
1810 
                     end
1811 
                     6:
1812 
                     begin
1813 
                        if(leftAvailable == 1)
1814 
                           begin
1815 
                              Bit#(40) leftValSet = select(intraLeftVal,0);
1816 
                              intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1817 
                           end
1818 
                        else
1819 
                           nextIntraStepCount = 10;
1820 
                     end
1821 
                     7:
1822 
                     begin
1823 
                        Bit#(40) leftValSet = select(intraLeftVal,1);
1824 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1825 
                     end
1826 
                     8:
1827 
                     begin
1828 
                        Bit#(40) leftValSet = select(intraLeftVal,2);
1829 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1830 
                     end
1831 
                     9:
1832 
                     begin
1833 
                        Bit#(40) leftValSet = select(intraLeftVal,3);
1834 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32])+8;
1835 
                     end
1836 
                     10:
1837 
                     begin
1838 
                        if(leftAvailable == 1 && topAvailable == 1)
1839 
                           intraSumA <= intraSumA >> 5;
1840 
                        else if(leftAvailable == 1 || topAvailable == 1)
1841 
                           intraSumA <= intraSumA >> 4;
1842 
                        else
1843 
                           intraSumA <= 128;
1844 
                     end
1845 
                     11:
1846 
                     begin
1847 
                        predVector[pixelHor] = intraSumA[7:0];
1848 
                        outFlag = 1;
1849 
                     end
1850 
                     default: $display( "ERROR Prediction: intraProcessStep intra16x16 DC unknown intraStepCount");
1851 
                  endcase
1852 
               end
1853 
               3://plane
1854 
               begin
1855 
                  if(intraStepCount == 2)
1856 
                     begin
1857 
                        Bit#(32) topValSet = select(intraTopVal,3);
1858 
                        Bit#(8) topVal = select32to8(topValSet,3);
1859 
                        Bit#(40) leftValSet = select(intraLeftVal,3);
1860 
                        Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,3);
1861 
                        Bit#(13) tempVal = zeroExtend(topVal) + zeroExtend(leftVal);
1862 
                        intraSumA <= tempVal << 4;
1863 
                        intraSumB <= 0;
1864 
                        intraSumC <= 0;
1865 
                     end
1866 
                  else if(intraStepCount < 11)
1867 
                     begin
1868 
                        Bit#(4) xyPlusOne = intraStepCount-2;
1869 
                        Bit#(4) xyPlusEight = intraStepCount+5;
1870 
                        Bit#(4) sixMinusXY = 9-intraStepCount;
1871 
                        Bit#(32) topValSet1 = select(intraTopVal,xyPlusEight[3:2]);
1872 
                        Bit#(8) topVal1 = select32to8(topValSet1,xyPlusEight[1:0]);
1873 
                        Bit#(40) leftValSet1 = select(intraLeftVal,xyPlusEight[3:2]);
1874 
                        Bit#(8) leftVal1 = intra4x4SelectLeft(leftValSet1,zeroExtend(xyPlusEight[1:0]));
1875 
                        Bit#(32) topValSet2=0;
1876 
                        Bit#(8) topVal2;
1877 
                        Bit#(40) leftValSet2;
1878 
                        Bit#(8) leftVal2;
1879 
                        if(intraStepCount==10)
1880 
                           begin
1881 
                              leftValSet2 = select(intraLeftVal,0);
1882 
                              leftVal2 = intra4x4SelectLeft(leftValSet2,-1);
1883 
                              topVal2 = leftVal2;
1884 
                           end
1885 
                        else
1886 
                           begin
1887 
                              topValSet2 = select(intraTopVal,sixMinusXY[3:2]);
1888 
                              topVal2 = select32to8(topValSet2,sixMinusXY[1:0]);
1889 
                              leftValSet2 = select(intraLeftVal,sixMinusXY[3:2]);
1890 
                              leftVal2 = intra4x4SelectLeft(leftValSet2,zeroExtend(sixMinusXY[1:0]));
1891 
                           end
1892 
                        Bit#(15) diffH = zeroExtend(topVal1) - zeroExtend(topVal2);
1893 
                        Bit#(15) diffV = zeroExtend(leftVal1) - zeroExtend(leftVal2);
1894 
                        intraSumB <= intraSumB + (zeroExtend(xyPlusOne) * diffH);
1895 
                        intraSumC <= intraSumC + (zeroExtend(xyPlusOne) * diffV);
1896 
                     end
1897 
                  else if(intraStepCount == 11)
1898 
                     begin
1899 
                        Bit#(18) tempSumB = (5*signExtend(intraSumB)) + 32;
1900 
                        Bit#(18) tempSumC = (5*signExtend(intraSumC)) + 32;
1901 
                        intraSumB <= signExtend(tempSumB[17:6]);
1902 
                        intraSumC <= signExtend(tempSumC[17:6]);
1903 
                     end
1904 
                  else if(intraStepCount == 12)
1905 
                     begin
1906 
                        Bit#(5)  positionHor = {1'b0,blockHor,pixelHor};
1907 
                        Bit#(5)  positionVer = {1'b0,blockVer,pixelVer};
1908 
                        Bit#(16) tempProductB = signExtend(intraSumB) * signExtend(positionHor-7);
1909 
                        Bit#(16) tempProductC = signExtend(intraSumC) * signExtend(positionVer-7);
1910 
                        Bit#(16) tempTotal = tempProductB + tempProductC + zeroExtend(intraSumA) + 16;
1911 
                        if(tempTotal[15]==1)
1912 
                           predVector[pixelHor] = 0;
1913 
                        else if(tempTotal[14:5] > 255)
1914 
                           predVector[pixelHor] = 255;
1915 
                        else
1916 
                           predVector[pixelHor] = tempTotal[12:5];
1917 
                        outFlag = 1;
1918 
                     end
1919 
                  else
1920 
                     $display( "ERROR Prediction: intraProcessStep intra16x16 plane unknown intraStepCount");
1921 
               end
1922 
            endcase
1923 
         end
1924 
      else if(intraChromaFlag==1)
1925 
         begin
1926 
            //$display( "TRACE Prediction: intraProcessStep intraChroma %0d %0d %0d %0d %0d %0d %h %h %h %h %h %h %h %h",intra_chroma_pred_mode.first(),intraChromaTopAvailable,intraChromaLeftAvailable,currMb,blockNum,pixelNum,pack(intraLeftValChroma0),pack(intraTopValChroma0),pack(intraLeftValChroma1),pack(intraTopValChroma1),intraLeftValChroma0[0],intraTopValChroma0[3][15:8],intraLeftValChroma1[0],intraTopValChroma1[3][15:8]);///////////////////
1927 
            Vector#(9,Bit#(8)) tempLeftVec;
1928 
            Vector#(4,Bit#(16)) tempTopVec;
1929 
            if(blockNum[2] == 0)
1930 
               begin
1931 
                  tempLeftVec = intraLeftValChroma0;
1932 
                  tempTopVec = intraTopValChroma0;
1933 
               end
1934 
            else
1935 
               begin
1936 
                  tempLeftVec = intraLeftValChroma1;
1937 
                  tempTopVec = intraTopValChroma1;
1938 
               end
1939 
            case(intra_chroma_pred_mode.first())
1940 
               0://dc
1941 
               begin
1942 
                  if(intraStepCount == 2)
1943 
                     begin
1944 
                        Bit#(1) useTop=0;
1945 
                        Bit#(1) useLeft=0;
1946 
                        if(blockNum[1:0] == 0 || blockNum[1:0] == 3)
1947 
                           begin
1948 
                              useTop = intraChromaTopAvailable;
1949 
                              useLeft = intraChromaLeftAvailable;
1950 
                           end
1951 
                        else if(blockNum[1:0] == 1)
1952 
                           begin
1953 
                              if(intraChromaTopAvailable == 1)
1954 
                                 useTop = 1;
1955 
                              else if(intraChromaLeftAvailable == 1)
1956 
                                 useLeft = 1;
1957 
                           end
1958 
                              else if(blockNum[1:0] == 2)
1959 
                                 begin
1960 
                                    if(intraChromaLeftAvailable == 1)
1961 
                                       useLeft = 1;
1962 
                                    else if(intraChromaTopAvailable == 1)
1963 
                                       useTop = 1;
1964 
                                 end
1965 
                        else
1966 
                           $display( "ERROR Prediction: intraProcessStep intraChroma dc unknown blockNum");
1967 
                        Bit#(10) topSum;
1968 
                        Bit#(10) leftSum;
1969 
                        Bit#(11) totalSum;
1970 
                        if(blockHor[0] == 0)
1971 
                           topSum = zeroExtend(tempTopVec[0][15:8])+zeroExtend(tempTopVec[0][7:0])+zeroExtend(tempTopVec[1][15:8])+zeroExtend(tempTopVec[1][7:0])+2;
1972 
                        else
1973 
                           topSum = zeroExtend(tempTopVec[2][15:8])+zeroExtend(tempTopVec[2][7:0])+zeroExtend(tempTopVec[3][15:8])+zeroExtend(tempTopVec[3][7:0])+2;
1974 
                        if(blockVer[0] == 0)
1975 
                           leftSum = zeroExtend(tempLeftVec[1])+zeroExtend(tempLeftVec[2])+zeroExtend(tempLeftVec[3])+zeroExtend(tempLeftVec[4])+2;
1976 
                        else
1977 
                           leftSum = zeroExtend(tempLeftVec[5])+zeroExtend(tempLeftVec[6])+zeroExtend(tempLeftVec[7])+zeroExtend(tempLeftVec[8])+2;
1978 
                        totalSum = zeroExtend(topSum) + zeroExtend(leftSum);
1979 
                        if(useTop==1 && useLeft==1)
1980 
                           intraSumA <= zeroExtend(totalSum[10:3]);
1981 
                        else if(useTop==1)
1982 
                           intraSumA <= zeroExtend(topSum[9:2]);
1983 
                        else if(useLeft==1)
1984 
                           intraSumA <= zeroExtend(leftSum[9:2]);
1985 
                        else
1986 
                           intraSumA <= zeroExtend(8'b10000000);
1987 
                     end
1988 
                  else if(intraStepCount == 3)
1989 
                     begin
1990 
                        predVector[pixelHor] = intraSumA[7:0];
1991 
                        outFlag = 1;
1992 
                     end
1993 
                  else
1994 
                     $display( "ERROR Prediction: intraProcessStep intraChroma dc unknown intraStepCount");
1995 
               end
1996 
               1://horizontal
1997 
               begin
1998 
                  Bit#(4) tempLeftIdx = {1'b0,blockVer[0],pixelVer} + 1;
1999 
                  predVector[pixelHor] = select(tempLeftVec,tempLeftIdx);
2000 
                  outFlag = 1;
2001 
               end
2002 
               2://vertical
2003 
               begin
2004 
                  Bit#(16) tempTopVal = select(tempTopVec,{blockHor[0],pixelHor[1]});
2005 
                  if(pixelHor[0] == 0)
2006 
                     predVector[pixelHor] = tempTopVal[7:0];
2007 
                  else
2008 
                     predVector[pixelHor] = tempTopVal[15:8];
2009 
                  outFlag = 1;
2010 
               end
2011 
               3://plane
2012 
               begin
2013 
                  if(intraStepCount == 2)
2014 
                     begin
2015 
                        Bit#(16) topValSet = tempTopVec[3];
2016 
                        Bit#(8) topVal = topValSet[15:8];
2017 
                        Bit#(8) leftVal = tempLeftVec[8];
2018 
                        Bit#(13) tempVal = zeroExtend(topVal) + zeroExtend(leftVal);
2019 
                        intraSumA <= tempVal << 4;
2020 
                        intraSumB <= 0;
2021 
                        intraSumC <= 0;
2022 
                     end
2023 
                  else if(intraStepCount < 7)
2024 
                     begin
2025 
                        Bit#(3) xyPlusOne = truncate(intraStepCount)-2;
2026 
                        Bit#(3) xyPlusFour = truncate(intraStepCount)+1;
2027 
                        Bit#(4) twoMinusXY = 5-intraStepCount;
2028 
                        Bit#(16) topValSet1 = select(tempTopVec,xyPlusFour[2:1]);
2029 
                        Bit#(8) topVal1 = select16to8(topValSet1,xyPlusFour[0]);
2030 
                        Bit#(4) tempLeftIdx1 = {1'b0,xyPlusFour} + 1;
2031 
                        Bit#(8) leftVal1 = select(tempLeftVec,tempLeftIdx1);
2032 
 
2033 
                        Bit#(16) topValSet2 = select(tempTopVec,twoMinusXY[2:1]);
2034 
                        Bit#(8) topVal2;
2035 
                        Bit#(8) leftVal2 = select(tempLeftVec,twoMinusXY+1);
2036 
                        if(intraStepCount==6)
2037 
                           topVal2 = leftVal2;
2038 
                        else
2039 
                           topVal2 = select16to8(topValSet2,twoMinusXY[0]);
2040 
                        Bit#(15) diffH = zeroExtend(topVal1) - zeroExtend(topVal2);
2041 
                        Bit#(15) diffV = zeroExtend(leftVal1) - zeroExtend(leftVal2);
2042 
                        intraSumB <= intraSumB + (zeroExtend(xyPlusOne) * diffH);
2043 
                        intraSumC <= intraSumC + (zeroExtend(xyPlusOne) * diffV);
2044 
                        Int#(15) tempDisplayH = unpack(zeroExtend(xyPlusOne) * diffH);
2045 
                        Int#(15) tempDisplayV = unpack(zeroExtend(xyPlusOne) * diffV);
2046 
                        //$display( "TRACE Prediction: intraProcessStep intraChroma plane partH partV %0d %0d",tempDisplayH,tempDisplayV);////////////////////
2047 
                     end
2048 
                  else if(intraStepCount == 7)
2049 
                     begin
2050 
                        Int#(15) tempDisplayH = unpack(intraSumB);
2051 
                        Int#(15) tempDisplayV = unpack(intraSumC);
2052 
                        //$display( "TRACE Prediction: intraProcessStep intraChroma plane H V %0d %0d",tempDisplayH,tempDisplayV);////////////////////
2053 
                        Bit#(19) tempSumB = (34*signExtend(intraSumB)) + 32;
2054 
                        Bit#(19) tempSumC = (34*signExtend(intraSumC)) + 32;
2055 
                        intraSumB <= signExtend(tempSumB[18:6]);
2056 
                        intraSumC <= signExtend(tempSumC[18:6]);
2057 
                     end
2058 
                  else if(intraStepCount == 8)
2059 
                     begin
2060 
                        Bit#(4)  positionHor = {1'b0,blockHor[0],pixelHor};
2061 
                        Bit#(4)  positionVer = {1'b0,blockVer[0],pixelVer};
2062 
                        Bit#(17) tempProductB = signExtend(intraSumB) * signExtend(positionHor-3);
2063 
                        Bit#(17) tempProductC = signExtend(intraSumC) * signExtend(positionVer-3);
2064 
                        Bit#(17) tempTotal = tempProductB + tempProductC + zeroExtend(intraSumA) + 16;
2065 
                        if(tempTotal[16]==1)
2066 
                           predVector[pixelHor] = 0;
2067 
                        else if(tempTotal[15:5] > 255)
2068 
                           predVector[pixelHor] = 255;
2069 
                        else
2070 
                           predVector[pixelHor] = tempTotal[12:5];
2071 
                        outFlag = 1;
2072 
                     end
2073 
                  else
2074 
                     $display( "ERROR Prediction: intraProcessStep intraChroma plane unknown intraStepCount");
2075 
               end
2076 
            endcase
2077 
         end
2078 
      else
2079 
         $display( "ERROR Prediction: intraProcessStep unknown intrastate");
2080 
 
2081 
      intraPredVector <= predVector;
2082 
      if(pixelHor == 3)
2083 
         predictedfifo.enq(predVector);
2084 
 
2085 
      if(outFlag==1)
2086 
         begin
2087 
            pixelNum <= pixelNum+1;
2088 
            if(pixelNum == 15)
2089 
               begin
2090 
                  if(intraChromaFlag==0)
2091 
                     begin
2092 
                        blockNum <= blockNum+1;
2093 
                        if(blockNum == 15)
2094 
                           begin
2095 
                              intraChromaFlag <= 1;
2096 
                              intraStepCount <= 2;
2097 
                           end
2098 
                        else if(intrastate==Intra4x4)
2099 
                           intraStepCount <= 1;
2100 
                     end
2101 
                  else
2102 
                     begin
2103 
                        if(blockNum == 7)
2104 
                           begin
2105 
                              blockNum <= 0;
2106 
                              intraChromaFlag <= 0;
2107 
                              intraStepCount <= 0;
2108 
                              intra_chroma_pred_mode.deq();
2109 
                           end
2110 
                        else
2111 
                           begin
2112 
                              blockNum <= blockNum+1;
2113 
                              if(intra_chroma_pred_mode.first()==0)
2114 
                                 intraStepCount <= 2;
2115 
                              else if(blockNum==3)
2116 
                                 intraStepCount <= 2;
2117 
                           end
2118 
                     end
2119 
               end
2120 
         end
2121 
      else
2122 
         intraStepCount <= nextIntraStepCount;
2123 
      //$display( "Trace Prediction: intraProcessStep");
2124 
   endrule
2125 
 
2126 
 
2127 
   interface Client mem_client_intra;
2128 
      interface Get request  = fifoToGet(intraMemReqQ);
2129 
      interface Put response = fifoToPut(intraMemRespQ);
2130 
   endinterface
2131 
   interface Client mem_client_inter;
2132 
      interface Get request  = fifoToGet(interMemReqQ);
2133 
      interface Put response = fifoToPut(interMemRespQ);
2134 
   endinterface
2135 
   interface Client mem_client_buffer = interpolator.mem_client;
2136 
 
2137 
   interface Put ioin  = fifoToPut(infifo);
2138 
   interface Put ioin_InverseTrans  = fifoToPut(infifo_ITB);
2139 
   interface Get ioout = fifoToGet(outfifo);
2140 
 
2141 
 
2142 
endmodule
2143 
 
2144 
endpackage

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