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[/] [bluespec-h264/] [trunk/] [release/] [mkPrediction_intra32.bsv] - Blame information for rev 100

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1 85 jamey.hick 
// The MIT License
2 
 
3 
// Copyright (c) 2006-2007 Massachusetts Institute of Technology
4 
 
5 
// Permission is hereby granted, free of charge, to any person obtaining a copy
6 
// of this software and associated documentation files (the "Software"), to deal
7 
// in the Software without restriction, including without limitation the rights
8 
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 
// copies of the Software, and to permit persons to whom the Software is
10 
// furnished to do so, subject to the following conditions:
11 
 
12 
// The above copyright notice and this permission notice shall be included in
13 
// all copies or substantial portions of the Software.
14 
 
15 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 
// THE SOFTWARE.
22 84 jamey.hick 
//**********************************************************************
23 
// Prediction
24 
//----------------------------------------------------------------------
25 
//
26 
//
27 
 
28 
package mkPrediction;
29 
 
30 
import H264Types::*;
31 
 
32 
import IPrediction::*;
33 
import IInterpolator::*;
34 
import mkInterpolator::*;
35 
import FIFO::*;
36 
import FIFOF::*;
37 
import Vector::*;
38 
 
39 
import Connectable::*;
40 
import GetPut::*;
41 
import ClientServer::*;
42 
 
43 
 
44 
//-----------------------------------------------------------
45 
// Local Datatypes
46 
//-----------------------------------------------------------
47 
 
48 
typedef union tagged
49 
{
50 
 void     Intra;            //Intra non-4x4
51 
 void     Intra4x4;
52 
 void     Inter;
53 
}
54 
OutState deriving(Eq,Bits);
55 
 
56 
typedef union tagged
57 
{
58 
 void     Start;            //not working on anything in particular
59 
 void     Intra16x16;
60 
 void     Intra4x4;
61 
 void     IntraPCM;
62 
}
63 
IntraState deriving(Eq,Bits);
64 
 
65 
typedef union tagged
66 
{
67 
 void     Start;            //not working on anything in particular
68 
 void     InterP16x16;
69 
 void     InterP16x8;
70 
 void     InterP8x16;
71 
 void     InterP8x8;
72 
 void     InterP8x8ref0;
73 
 void     InterPskip;
74 
}
75 
InterState deriving(Eq,Bits);
76 
 
77 
typedef union tagged
78 
{
79 
 Bit#(1) NotInter;//0 for not available, 1 for intra-coded
80 
 struct {Bit#(4) refIdx; Bit#(14) mvhor; Bit#(12) mvver; Bit#(1) nonZeroTransCoeff;} BlockMv;
81 
}
82 
InterBlockMv deriving(Eq,Bits);
83 
 
84 
typedef union tagged
85 
{
86 
 void SkipMB;
87 
 void NonSkipMB;
88 
 void Intra4x4;
89 
 void Intra4x4PlusChroma;
90 
}
91 
NextOutput deriving(Eq,Bits);
92 
 
93 
 
94 
 
95 
//-----------------------------------------------------------
96 
// Helper functions
97 
 
98 
function Bit#(8) intra4x4SelectTop( Bit#(72) valVector, Bit#(4) idx );
99 
   case(idx)
100 
      0: return valVector[15:8];
101 
      1: return valVector[23:16];
102 
      2: return valVector[31:24];
103 
      3: return valVector[39:32];
104 
      4: return valVector[47:40];
105 
      5: return valVector[55:48];
106 
      6: return valVector[63:56];
107 
      7: return valVector[71:64];
108 
      default: return valVector[7:0];
109 
   endcase
110 
endfunction
111 
 
112 
function Bit#(8) intra4x4SelectLeft( Bit#(40) valVector, Bit#(3) idx );
113 
   case(idx)
114 
      0: return valVector[15:8];
115 
      1: return valVector[23:16];
116 
      2: return valVector[31:24];
117 
      3: return valVector[39:32];
118 
      default: return valVector[7:0];
119 
   endcase
120 
endfunction
121 
 
122 
function Bit#(8) select32to8( Bit#(32) valVector, Bit#(2) idx );
123 
   case(idx)
124 
      0: return valVector[7:0];
125 
      1: return valVector[15:8];
126 
      2: return valVector[23:16];
127 
      3: return valVector[31:24];
128 
   endcase
129 
endfunction
130 
 
131 
function Bit#(8) select16to8( Bit#(16) valVector, Bit#(1) idx );
132 
   case(idx)
133 
      0: return valVector[7:0];
134 
      1: return valVector[15:8];
135 
   endcase
136 
endfunction
137 
 
138 
function Bool absDiffGEFour14( Bit#(14) val1, Bit#(14) val2 );
139 
   Int#(15) int1 = unpack(signExtend(val1));
140 
   Int#(15) int2 = unpack(signExtend(val2));
141 
   if(int1>=int2)
142 
      return (int1 >= (int2+4));
143 
   else
144 
      return (int2 >= (int1+4));
145 
endfunction
146 
 
147 
function Bool absDiffGEFour12( Bit#(12) val1, Bit#(12) val2 );
148 
   Int#(13) int1 = unpack(signExtend(val1));
149 
   Int#(13) int2 = unpack(signExtend(val2));
150 
   if(int1>=int2)
151 
      return (int1 >= (int2+4));
152 
   else
153 
      return (int2 >= (int1+4));
154 
endfunction
155 
 
156 
 
157 
//-----------------------------------------------------------
158 
// Prediction Module
159 
//-----------------------------------------------------------
160 
 
161 
 
162 
(* synthesize *)
163 
module mkPrediction( IPrediction );
164 
 
165 
   //Common state
166 
   FIFO#(EntropyDecOT)   infifo     <- mkSizedFIFO(prediction_infifo_size);
167 
   FIFO#(InverseTransOT) infifo_ITB <- mkSizedFIFO(prediction_infifo_ITB_size);
168 
   FIFO#(EntropyDecOT)   outfifo    <- mkFIFO;
169 
   Reg#(Bool)            passFlag   <- mkReg(True);
170 
   Reg#(Bit#(4))         blockNum   <- mkReg(0);
171 
   Reg#(Bit#(4))         pixelNum   <- mkReg(0);
172 
 
173 
   Reg#(Bit#(PicWidthSz))  picWidth  <- mkReg(maxPicWidthInMB);
174 
   Reg#(Bit#(PicHeightSz)) picHeight <- mkReg(0);
175 
   Reg#(Bit#(PicAreaSz))   firstMb   <- mkReg(0);
176 
   Reg#(Bit#(PicAreaSz))   currMb    <- mkReg(0);
177 
   Reg#(Bit#(PicAreaSz))   currMbHor <- mkReg(0);//horizontal position of currMb
178 
   Reg#(Bit#(PicHeightSz)) currMbVer <- mkReg(0);//vertical position of currMb
179 
 
180 
   FIFOF#(OutState)   outstatefifo   <- mkFIFOF;
181 
   FIFOF#(NextOutput) nextoutputfifo <- mkFIFOF;
182 
   Reg#(Bit#(4))   outBlockNum    <- mkReg(0);
183 
   Reg#(Bit#(4))   outPixelNum    <- mkReg(0);
184 
   FIFO#(Vector#(4,Bit#(8))) predictedfifo  <- mkSizedFIFO(prediction_predictedfifo_size);
185 
   Reg#(Bit#(1))   outChromaFlag  <- mkReg(0);
186 
   Reg#(Bool)      outFirstQPFlag <- mkReg(False);
187 
 
188 
   DoNotFire donotfire <- mkDoNotFire();
189 
 
190 
   //Reg#(Vector#(16,Bit#(8))) workVector       <- mkRegU();
191 
 
192 
   //Inter state
193 
   Interpolator interpolator <- mkInterpolator();
194 
   Reg#(InterState) interstate <- mkReg(Start);
195 
   Reg#(Bit#(PicAreaSz)) interPskipCount <- mkReg(0);
196 
   Reg#(Vector#(5,InterBlockMv)) interTopVal <- mkRegU();
197 
   Reg#(Vector#(4,InterBlockMv)) interLeftVal <- mkRegU();
198 
   Reg#(Vector#(4,InterBlockMv)) interTopLeftVal <- mkRegU();
199 
   FIFO#(MemReq#(TAdd#(PicWidthSz,2),32)) interMemReqQ <- mkFIFO;
200 
   Reg#(MemReq#(TAdd#(PicWidthSz,2),32)) interMemReqQdelay <- mkRegU();
201 
   FIFO#(MemResp#(32))  interMemRespQ <- mkFIFO;
202 
   Reg#(Bit#(3)) interReqCount <- mkReg(0);
203 
   Reg#(Bit#(3)) interRespCount <- mkReg(0);
204 
 
205 
   Reg#(Bit#(1)) interStepCount <- mkReg(0);
206 
   Reg#(Bit#(2)) interMbPartNum <- mkReg(0);
207 
   Reg#(Bit#(2)) interSubMbPartNum <- mkReg(0);
208 
   Reg#(Bit#(2)) interPassingCount <- mkReg(0);
209 
   Reg#(Vector#(4,Bit#(4))) interRefIdxVector <- mkRegU();
210 
   Reg#(Vector#(4,Bit#(2))) interSubMbTypeVector <- mkRegU();
211 
   RFile1#(Bit#(4),Tuple2#(Bit#(14),Bit#(12))) interMvFile <- mkRFile1Full();
212 
   Reg#(Bit#(15)) interMvDiffTemp <- mkReg(0);
213 
   FIFO#(Tuple2#(Bit#(15),Bit#(13))) interMvDiff <- mkFIFO;
214 
   Reg#(Bit#(5)) interNewestMv <- mkReg(0);
215 
 
216 
   Reg#(Bit#(2)) interIPStepCount <- mkReg(0);
217 
   Reg#(Bit#(2)) interIPMbPartNum <- mkReg(0);
218 
   Reg#(Bit#(2)) interIPSubMbPartNum <- mkReg(0);
219 
 
220 
   Reg#(Bit#(PicWidthSz)) interCurrMbDiff <- mkReg(0);
221 
 
222 
   Reg#(Vector#(4,Bool)) interTopNonZeroTransCoeff <- mkRegU();
223 
   Reg#(Vector#(4,Bool)) interLeftNonZeroTransCoeff <- mkRegU();
224 
   FIFO#(Tuple2#(Bit#(2),Bit#(2))) interBSfifo <- mkSizedFIFO(32);
225 
   Reg#(Bool) interBSoutput <- mkReg(True);
226 
   FIFO#(InterBlockMv) interOutBlockMvfifo <- mkSizedFIFO(8);
227 
 
228 
 
229 
   //Intra state
230 
   Reg#(IntraState)     intrastate      <- mkReg(Start);
231 
   Reg#(Bit#(1))        intraChromaFlag <- mkReg(0);
232 
   FIFO#(MemReq#(TAdd#(PicWidthSz,2),68)) intraMemReqQ  <- mkFIFO;
233 
   Reg#(MemReq#(TAdd#(PicWidthSz,2),68)) intraMemReqQdelay <- mkRegU;
234 
   FIFO#(MemResp#(68))  intraMemRespQ <- mkFIFO;
235 
   Reg#(Vector#(4,Bit#(4))) intra4x4typeLeft <- mkRegU();//15=unavailable, 14=inter-MB, 13=intra-non-4x4
236 
   Reg#(Vector#(4,Bit#(4))) intra4x4typeTop  <- mkRegU();//15=unavailable, 14=inter-MB, 13=intra-non-4x4
237 
   Reg#(Bit#(1)) ppsconstrained_intra_pred_flag <- mkReg(0);
238 
   Reg#(Vector#(4,Bit#(40))) intraLeftVal <- mkRegU();
239 
   Reg#(Vector#(9,Bit#(8))) intraLeftValChroma0 <- mkRegU();
240 
   Reg#(Vector#(9,Bit#(8))) intraLeftValChroma1 <- mkRegU();
241 
   Reg#(Vector#(5,Bit#(32))) intraTopVal <- mkRegU();
242 
   Reg#(Vector#(4,Bit#(16))) intraTopValChroma0 <- mkRegU();
243 
   Reg#(Vector#(4,Bit#(16))) intraTopValChroma1 <- mkRegU();
244 
   Reg#(Bit#(32)) intraLeftValNext <- mkReg(0);
245 
   Reg#(Bit#(2)) intra16x16_pred_mode <- mkReg(0);
246 
   FIFO#(Bit#(4)) rem_intra4x4_pred_mode <- mkSizedFIFO(16);
247 
   FIFO#(Bit#(2)) intra_chroma_pred_mode <- mkFIFO;
248 
   Reg#(Bit#(4)) cur_intra4x4_pred_mode <- mkReg(0);
249 
   Reg#(Bit#(1)) intraChromaTopAvailable <- mkReg(0);
250 
   Reg#(Bit#(1)) intraChromaLeftAvailable <- mkReg(0);
251 
 
252 
   Reg#(Bit#(3)) intraReqCount <- mkReg(0);
253 
   Reg#(Bit#(3)) intraRespCount <- mkReg(0);
254 
   Reg#(Bit#(4)) intraStepCount <- mkReg(0);
255 
   Reg#(Bit#(13)) intraSumA <-  mkReg(0);
256 
   Reg#(Bit#(15)) intraSumB <-  mkReg(0);
257 
   Reg#(Bit#(15)) intraSumC <-  mkReg(0);
258 
 
259 
 
260 
 
261 
   //-----------------------------------------------------------
262 
   // Rules
263 
 
264 
   //////////////////////////////////////////////////////////////////////////////
265 
//   rule stateMonitor ( True );
266 
//      if(predictedfifo.notEmpty())
267 
//       $display( "TRACE Prediction: stateMonitor predictedfifo.first() %0d", predictedfifo.first());////////////////////
268 
//      if(infifo.first() matches tagged ITBresidual .xdata)
269 
//       $display( "TRACE Prediction: stateMonitor infifo.first() %0d", xdata);////////////////////
270 
//      if(infifo.first() matches tagged ITBresidual .xdata)
271 
//       $display( "TRACE Prediction: stateMonitor outBlockNum outPixelNum outChromaFlag %0d %0d", outBlockNum, outPixelNum, outChromaFlag);////////////////////
272 
//   endrule
273 
   //////////////////////////////////////////////////////////////////////////////
274 
 
275 
   rule passing ( passFlag && !outstatefifo.notEmpty() && currMbHor
276 
      $display( "Trace Prediction: passing infifo packed %h", pack(infifo.first()));
277 
      case (infifo.first()) matches
278 
         tagged NewUnit . xdata :
279 
            begin
280 
               infifo.deq();
281 
               outfifo.enq(infifo.first());
282 
               $display("ccl4newunit");
283 
               $display("ccl4rbspbyte %h", xdata);
284 
            end
285 
         tagged SPSpic_width_in_mbs .xdata :
286 
            begin
287 
               infifo.deq();
288 
               outfifo.enq(infifo.first());
289 
               picWidth <= xdata;
290 
               interpolator.setPicWidth(xdata);
291 
            end
292 
         tagged SPSpic_height_in_map_units .xdata :
293 
            begin
294 
               infifo.deq();
295 
               outfifo.enq(infifo.first());
296 
               picHeight <= xdata;
297 
               interpolator.setPicHeight(xdata);
298 
            end
299 
         tagged PPSconstrained_intra_pred_flag .xdata :
300 
            begin
301 
               infifo.deq();
302 
               ////outfifo.enq(infifo.first());
303 
               ppsconstrained_intra_pred_flag <= xdata;
304 
            end
305 
         tagged SHfirst_mb_in_slice .xdata :
306 
            begin
307 
               infifo.deq();
308 
               outfifo.enq(infifo.first());
309 
               firstMb   <= xdata;
310 
               currMb    <= xdata;
311 
               currMbHor <= xdata;
312 
               currMbVer <= 0;
313 
               intra4x4typeLeft <= replicate(15);
314 
               interTopLeftVal <= replicate(NotInter 0);
315 
               if(xdata==0)
316 
                  interLeftVal <= replicate(NotInter 0);
317 
               outFirstQPFlag <= True;
318 
            end
319 
         tagged SDmb_skip_run .xdata : passFlag <= False;
320 
         tagged SDMmbtype .xdata : passFlag <= False;
321 
         tagged EndOfFile :
322 
            begin
323 
               infifo.deq();
324 
               outfifo.enq(infifo.first());
325 
               $display( "INFO Prediction: EndOfFile reached" );
326 
               //$finish(0);////////////////////////////////
327 
            end
328 
         default:
329 
            begin
330 
               infifo.deq();
331 
               outfifo.enq(infifo.first());
332 
            end
333 
      endcase
334 
   endrule
335 
 
336 
 
337 
   rule inputing ( !passFlag );
338 
      $display( "Trace Prediction: inputing infifo packed %h", pack(infifo.first()));
339 
      case (infifo.first()) matches
340 
         tagged SDmb_skip_run .xdata :
341 
            begin
342 
               if(interstate==Start && intrastate==Start)
343 
                  begin
344 
                     if(interPskipCount < xdata)
345 
                        begin
346 
                           if(!outstatefifo.notEmpty() || interCurrMbDiff
347 
                              begin
348 
                                 $display( "Trace Prediction: passing SDmb_skip_run %0d", xdata);
349 
                                 outstatefifo.enq(Inter);
350 
                                 interstate <= InterPskip;
351 
                                 interReqCount <= 1;
352 
                                 interRespCount <= 1;
353 
                                 intra4x4typeLeft <= replicate(14);
354 
                                 intra4x4typeTop <= replicate(14);
355 
                                 interTopLeftVal <= update(interTopLeftVal , 0, (NotInter 0));
356 
                                 interTopVal <= replicate(NotInter 0);
357 
                                 interPskipCount <= interPskipCount+1;
358 
                                 interNewestMv <= 0;
359 
                                 interRefIdxVector <= replicate(0);
360 
                                 interCurrMbDiff <= interCurrMbDiff+1;
361 
                                 nextoutputfifo.enq(SkipMB);
362 
                              end
363 
                           else
364 
                              donotfire.doNotFire();
365 
                        end
366 
                     else
367 
                        begin
368 
                           $display( "Trace Prediction: passing no SDmb_skip_run");
369 
                           interPskipCount <= 0;
370 
                           infifo.deq();
371 
                        end
372 
                  end
373 
               else
374 
                  donotfire.doNotFire();
375 
            end
376 
         tagged SDMmbtype .xdata :
377 
            begin
378 
               if(interstate==Start && intrastate==Start)//not necessary (just need to keep inter from feeding predictedfifo or change intra state until intrastate==Start)
379 
                  begin
380 
                     infifo.deq();
381 
                     $display( "INFO Prediction: SDMmbtype %0d", xdata);
382 
                     if(mbPartPredMode(xdata,0)==Intra_16x16)
383 
                        begin
384 
                           if(!outstatefifo.notEmpty())
385 
                              begin
386 
                                 outstatefifo.enq(Intra);
387 
                                 intrastate <= Intra16x16;
388 
                                 if(xdata matches tagged I_16x16 {intra16x16PredMode:.tempv1, codedBlockPatternChroma:.tempv2, codedBlockPatternLuma:.tempv3})
389 
                                    intra16x16_pred_mode <= tempv1;
390 
                                 else
391 
                                    $display( "ERROR Prediction: MacroblockLayer 5 sdmmbtype not I_16x16" );
392 
                                 intraReqCount <= 1;
393 
                                 intraRespCount <= 1;
394 
                                 interTopLeftVal <= replicate(NotInter 1);
395 
                                 interLeftVal <= replicate(NotInter 1);
396 
                                 interTopVal <= replicate(NotInter 1);
397 
                              end
398 
                           else
399 
                              donotfire.doNotFire();
400 
                        end
401 
                     else if(xdata==I_NxN)
402 
                        begin
403 
                           if(!outstatefifo.notEmpty())
404 
                              begin
405 
                                 outstatefifo.enq(Intra4x4);
406 
                                 intrastate <= Intra4x4;
407 
                                 intraReqCount <= 1;
408 
                                 intraRespCount <= 1;
409 
                                 interTopLeftVal <= replicate(NotInter 1);
410 
                                 interLeftVal <= replicate(NotInter 1);
411 
                                 interTopVal <= replicate(NotInter 1);
412 
                              end
413 
                           else
414 
                              donotfire.doNotFire();
415 
                        end
416 
                     else if(xdata==I_PCM)
417 
                        begin
418 
                           $display( "ERROR Prediction: I_PCM not implemented yet");
419 
                           $finish;////////////////////////////////////////////////////////////////////////////////////////
420 
                           intra4x4typeLeft <= replicate(13);
421 
                           intra4x4typeTop <= replicate(13);
422 
                           interTopLeftVal <= replicate(NotInter 1);
423 
                           interLeftVal <= replicate(NotInter 1);
424 
                           interTopVal <= replicate(NotInter 1);
425 
                        end
426 
                     else
427 
                        begin
428 
                           if(!outstatefifo.notEmpty() || interCurrMbDiff
429 
                              begin
430 
                                 outstatefifo.enq(Inter);
431 
                                 case(xdata)
432 
                                    P_L0_16x16: interstate <= InterP16x16;
433 
                                    P_L0_L0_16x8: interstate <= InterP16x8;
434 
                                    P_L0_L0_8x16: interstate <= InterP8x16;
435 
                                    P_8x8: interstate <= InterP8x8;
436 
                                    P_8x8ref0: interstate <= InterP8x8ref0;
437 
                                    default: $display( "ERROR Prediction: passing SDMmbtype inter prediction unknown mbtype");
438 
                                 endcase
439 
                                 interReqCount <= 1;
440 
                                 interRespCount <= 1;
441 
                                 intra4x4typeLeft <= replicate(14);/////////////////////////////////////////////////////////////////////////////
442 
                                 intra4x4typeTop <= replicate(14);
443 
                                 interTopLeftVal <= update(interTopLeftVal , 0, (NotInter 0));
444 
                                 interTopVal <= replicate(NotInter 0);
445 
                                 interNewestMv <= 0;
446 
                                 interRefIdxVector <= replicate(0);
447 
                                 nextoutputfifo.enq(NonSkipMB);
448 
                              end
449 
                           else
450 
                              donotfire.doNotFire();
451 
                        end
452 
                     interCurrMbDiff <= interCurrMbDiff+1;
453 
                  end
454 
               else
455 
                  donotfire.doNotFire();
456 
            end
457 
         tagged SDMMrem_intra4x4_pred_mode .xdata :
458 
            begin
459 
               infifo.deq();
460 
               ////outfifo.enq(infifo.first());
461 
               rem_intra4x4_pred_mode.enq(xdata);
462 
            end
463 
         tagged SDMMintra_chroma_pred_mode .xdata :
464 
            begin
465 
               infifo.deq();
466 
               ////outfifo.enq(infifo.first());
467 
               intra_chroma_pred_mode.enq(xdata);
468 
            end
469 
         tagged SDMMref_idx_l0 .xdata :
470 
            begin
471 
               infifo.deq();
472 
               ////outfifo.enq(infifo.first());
473 
               interRefIdxVector <= update(interRefIdxVector,interPassingCount,xdata[3:0]);
474 
               if(interstate==InterP16x16 || interPassingCount==1)
475 
                  interPassingCount <= 0;
476 
               else
477 
                  interPassingCount <= interPassingCount+1;
478 
            end
479 
         tagged SDMMmvd_l0 .xdata :
480 
            begin
481 
               infifo.deq();
482 
               ////outfifo.enq(infifo.first());
483 
               if(interPassingCount==1)
484 
                  begin
485 
                     Bit#(13) interMvDiffTemp2 = truncate(xdata);
486 
                     interMvDiff.enq(tuple2(interMvDiffTemp,interMvDiffTemp2));
487 
                     interPassingCount <= 0;
488 
                  end
489 
               else
490 
                  begin
491 
                     interMvDiffTemp <= truncate(xdata);
492 
                     interPassingCount <= interPassingCount+1;
493 
                  end
494 
            end
495 
         tagged SDMSsub_mb_type .xdata :
496 
            begin
497 
               infifo.deq();
498 
               ////outfifo.enq(infifo.first());
499 
               interSubMbTypeVector <= update(interSubMbTypeVector,interPassingCount,xdata);
500 
               interPassingCount <= interPassingCount+1;
501 
            end
502 
         tagged SDMSref_idx_l0 .xdata :
503 
            begin
504 
               infifo.deq();
505 
               ////outfifo.enq(infifo.first());
506 
               interRefIdxVector <= update(interRefIdxVector,interPassingCount,xdata[3:0]);
507 
               interPassingCount <= interPassingCount+1;
508 
            end
509 
         tagged SDMSmvd_l0 .xdata :
510 
            begin
511 
               infifo.deq();
512 
               ////outfifo.enq(infifo.first());
513 
               if(interPassingCount==1)
514 
                  begin
515 
                     Bit#(13) interMvDiffTemp2 = truncate(xdata);
516 
                     interMvDiff.enq(tuple2(interMvDiffTemp,interMvDiffTemp2));
517 
                     interPassingCount <= 0;
518 
                  end
519 
               else
520 
                  begin
521 
                     interMvDiffTemp <= truncate(xdata);
522 
                     interPassingCount <= interPassingCount+1;
523 
                  end
524 
            end
525 
         default: passFlag <= True;
526 
      endcase
527 
   endrule
528 
 
529 
 
530 
   rule outputing ( currMbHor
531 
      Bit#(1) outputFlag = 0;
532 
      Vector#(4,Bit#(8)) outputVector = replicate(0);
533 
      Bit#(2) blockHor = {outBlockNum[2],outBlockNum[0]};
534 
      Bit#(2) blockVer = {outBlockNum[3],outBlockNum[1]};
535 
      Bit#(2) pixelVer = {outPixelNum[3],outPixelNum[2]};
536 
      Bit#(4) totalVer = {blockVer,pixelVer};
537 
      //$display( "Trace Prediction: outputing" );
538 
      if(outFirstQPFlag)
539 
         begin
540 
            if(infifo_ITB.first() matches tagged IBTmb_qp .xdata)
541 
               begin
542 
                  infifo_ITB.deq();
543 
                  outfifo.enq(IBTmb_qp {qpy:xdata.qpy,qpc:xdata.qpc});
544 
                  outFirstQPFlag <= False;
545 
                  $display( "Trace Prediction: outputing outFirstQP %h %h %h", outBlockNum, outPixelNum, xdata);
546 
               end
547 
            else
548 
               $display( "ERROR Prediction: outputing unexpected infifo_ITB.first()");
549 
         end
550 
      else if(nextoutputfifo.first() == SkipMB)
551 
         begin
552 
            if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
553 
               begin
554 
                  interBSoutput <= False;
555 
                  interBSfifo.deq();
556 
                  Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
557 
                  Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
558 
                  Bit#(3) horBS = (tempHorBS==3 ? 4 : (interLeftNonZeroTransCoeff[blockVer] ? 2 : zeroExtend(tempHorBS)));
559 
                  Bit#(3) verBS = (tempVerBS==3 ? 4 : (interTopNonZeroTransCoeff[blockHor]&&blockVer!=0 ? 2 : zeroExtend(tempVerBS)));
560 
                  outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
561 
                  interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, False);
562 
                  interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, False);
563 
                  $display( "Trace Prediction: outputing SkipMB bS %h %h %h %h", outBlockNum, outPixelNum, currMbHor, currMbVer);
564 
               end
565 
            else
566 
               begin
567 
                  interBSoutput <= True;
568 
                  outputVector = predictedfifo.first();
569 
                  outfifo.enq(PBoutput outputVector);
570 
                  outputFlag = 1;
571 
                  predictedfifo.deq();
572 
                  $display( "Trace Prediction: outputing SkipMB out %h %h %h", outBlockNum, outPixelNum, outputVector);
573 
               end
574 
         end
575 
      else
576 
         begin
577 
            case ( infifo_ITB.first() ) matches
578 
               tagged IBTmb_qp .xdata :
579 
                  begin
580 
                     infifo_ITB.deq();
581 
                     outfifo.enq(IBTmb_qp {qpy:xdata.qpy,qpc:xdata.qpc});
582 
                     outFirstQPFlag <= False;
583 
                     $display( "Trace Prediction: outputing ITBmb_qp %h %h %h", outBlockNum, outPixelNum, xdata);
584 
                  end
585 
               tagged ITBresidual .xdata :
586 
                  begin
587 
                     if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
588 
                        begin
589 
                           interBSoutput <= False;
590 
                           if(outstatefifo.first() != Inter)
591 
                              outfifo.enq(PBbS {bShor:(blockHor==0 ? 4 : 3),bSver:(blockVer==0 ? 4 : 3)});
592 
                           else
593 
                              begin
594 
                                 interBSfifo.deq();
595 
                                 Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
596 
                                 Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
597 
                                 Bit#(3) horBS = (tempHorBS==3 ? 4 : 2);
598 
                                 Bit#(3) verBS = (tempVerBS==3 ? 4 : 2);
599 
                                 outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
600 
                              end
601 
                           interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, True);
602 
                           interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, True);
603 
                           $display( "Trace Prediction: outputing ITBresidual bS %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, currMbHor, currMbVer);
604 
                        end
605 
                     else
606 
                        begin
607 
                           interBSoutput <= True;
608 
                           Bit#(11) tempOutputValue = 0;
609 
                           for(Integer ii=0; ii<4; ii=ii+1)
610 
                              begin
611 
                                 tempOutputValue = signExtend(xdata[ii]) + zeroExtend((predictedfifo.first())[ii]);
612 
                                 if(tempOutputValue[10]==1)
613 
                                    outputVector[ii] = 0;
614 
                                 else if(tempOutputValue[9:0] > 255)
615 
                                    outputVector[ii] = 255;
616 
                                 else
617 
                                    outputVector[ii] = tempOutputValue[7:0];
618 
                              end
619 
                           outfifo.enq(PBoutput outputVector);
620 
                           infifo_ITB.deq();
621 
                           predictedfifo.deq();
622 
                           outputFlag = 1;
623 
                           $display( "Trace Prediction: outputing ITBresidual out %h %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, predictedfifo.first(), xdata, outputVector);
624 
                        end
625 
                  end
626 
               tagged ITBcoeffLevelZeros :
627 
                  begin
628 
                     if(interBSoutput && outChromaFlag==0 && outPixelNum==0)
629 
                        begin
630 
                           interBSoutput <= False;
631 
                           if(outstatefifo.first() != Inter)
632 
                              outfifo.enq(PBbS {bShor:(blockHor==0 ? 4 : 3),bSver:(blockVer==0 ? 4 : 3)});
633 
                           else
634 
                              begin
635 
                                 interBSfifo.deq();
636 
                                 Bit#(2) tempHorBS = tpl_1(interBSfifo.first());
637 
                                 Bit#(2) tempVerBS = tpl_2(interBSfifo.first());
638 
                                 Bit#(3) horBS = (tempHorBS==3 ? 4 : (interLeftNonZeroTransCoeff[blockVer] ? 2 : zeroExtend(tempHorBS)));
639 
                                 Bit#(3) verBS = (tempVerBS==3 ? 4 : (interTopNonZeroTransCoeff[blockHor]&&blockVer!=0 ? 2 : zeroExtend(tempVerBS)));
640 
                                 outfifo.enq(PBbS {bShor:horBS,bSver:verBS});
641 
                              end
642 
                           interLeftNonZeroTransCoeff <= update(interLeftNonZeroTransCoeff, blockVer, False);
643 
                           interTopNonZeroTransCoeff <= update(interTopNonZeroTransCoeff, blockHor, False);
644 
                           $display( "Trace Prediction: outputing ITBcoeffLevelZeros bS %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, currMbHor, currMbVer);
645 
                        end
646 
                     else
647 
                        begin
648 
                           interBSoutput <= True;
649 
                           if(outPixelNum == 12)
650 
                              infifo_ITB.deq();
651 
                           outputVector = predictedfifo.first();
652 
                           outfifo.enq(PBoutput outputVector);
653 
                           outputFlag = 1;
654 
                           predictedfifo.deq();
655 
                           $display( "Trace Prediction: outputing ITBcoeffLevelZeros out %h %h %h %h %h", outChromaFlag, outBlockNum, outPixelNum, predictedfifo.first(), outputVector);
656 
                        end
657 
                  end
658 
               default: $display( "ERROR Prediction: outputing unknown infifo_ITB input" );
659 
            endcase
660 
         end
661 
 
662 
      if(outputFlag == 1)
663 
         begin
664 
            $display("ccl4PBoutput %0d", outputVector[0]);
665 
            $display("ccl4PBoutput %0d", outputVector[1]);
666 
            $display("ccl4PBoutput %0d", outputVector[2]);
667 
            $display("ccl4PBoutput %0d", outputVector[3]);
668 
 
669 
            if(outBlockNum==0 && pixelVer==0 && outChromaFlag==0 && currMb!=firstMb && picWidth>1)
670 
               begin
671 
                  intraMemReqQ.enq(intraMemReqQdelay);
672 
                  interMemReqQ.enq(interMemReqQdelay);
673 
                  //$display( "TRACE Prediction: passing storing addr data");//////////////////
674 
               end
675 
 
676 
            if(blockHor==3 || (blockHor[0]==1 && outChromaFlag==1) || (outstatefifo.first()==Intra4x4 && outChromaFlag==0))
677 
               begin
678 
                  if(outChromaFlag==0)
679 
                     begin
680 
                        Bit#(32) intraLeftValNextTemp = intraLeftValNext;
681 
                        if(totalVer==0 || (outstatefifo.first()==Intra4x4 && pixelVer==0))
682 
                           begin
683 
                              Bit#(32) tempValSet = select(intraTopVal,zeroExtend(blockHor));
684 
                              intraLeftValNextTemp = zeroExtend(tempValSet[31:24]);
685 
                           end
686 
                        case(pixelVer)
687 
                           0:intraLeftValNext <= {intraLeftValNextTemp[31:16],outputVector[3],intraLeftValNextTemp[7:0]};
688 
                           1:intraLeftValNext <= {intraLeftValNextTemp[31:24],outputVector[3],intraLeftValNextTemp[15:0]};
689 
                           2:intraLeftValNext <= {outputVector[3],intraLeftValNextTemp[23:0]};
690 
                           3:
691 
                           begin
692 
                              intraLeftVal <= update(intraLeftVal,blockVer,{outputVector[3],intraLeftValNextTemp});
693 
                              intraLeftValNext <= zeroExtend(outputVector[3]);
694 
                              if(outstatefifo.first()==Intra4x4)
695 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,cur_intra4x4_pred_mode);
696 
                              else if(outstatefifo.first()==Intra)
697 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,13);
698 
                              else
699 
                                 intra4x4typeLeft <= update(intra4x4typeLeft,blockVer,14);
700 
                           end
701 
                        endcase
702 
                     end
703 
                  else
704 
                     begin
705 
                        if(outBlockNum[2]==0)
706 
                           intraLeftValChroma0 <= update(intraLeftValChroma0,totalVer+1,outputVector[3]);
707 
                        else
708 
                           intraLeftValChroma1 <= update(intraLeftValChroma1,totalVer+1,outputVector[3]);
709 
                     end
710 
               end
711 
 
712 
            if(pixelVer==3 && (blockVer==3 || (blockVer[0]==1 && outChromaFlag==1) || (outstatefifo.first()==Intra4x4 && outChromaFlag==0)))
713 
               begin
714 
                  if(outChromaFlag==0)
715 
                     begin
716 
                        intraTopVal <= update(intraTopVal,zeroExtend(blockHor),{outputVector[3],outputVector[2],outputVector[1],outputVector[0]});
717 
                        if(outstatefifo.first()==Intra4x4)
718 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,cur_intra4x4_pred_mode);
719 
                        else if(outstatefifo.first()==Intra)
720 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,13);
721 
                        else
722 
                           intra4x4typeTop <= update(intra4x4typeTop,blockHor,14);
723 
                     end
724 
                  else
725 
                     begin
726 
                        if(outBlockNum[2]==0)
727 
                           begin
728 
                              Vector#(4,Bit#(16)) intraTopValChroma0Next = intraTopValChroma0;
729 
                              intraTopValChroma0Next[{blockHor[0],1'b0}] = {outputVector[1],outputVector[0]};
730 
                              intraTopValChroma0Next[{blockHor[0],1'b1}] = {outputVector[3],outputVector[2]};
731 
                              intraTopValChroma0 <= intraTopValChroma0Next;
732 
                           end
733 
                        else
734 
                           begin
735 
                              Vector#(4,Bit#(16)) intraTopValChroma1Next = intraTopValChroma1;
736 
                              intraTopValChroma1Next[{blockHor[0],1'b0}] = {outputVector[1],outputVector[0]};
737 
                              intraTopValChroma1Next[{blockHor[0],1'b1}] = {outputVector[3],outputVector[2]};
738 
                              intraTopValChroma1 <= intraTopValChroma1Next;
739 
                           end
740 
                     end
741 
               end
742 
 
743 
            if(outChromaFlag==1 && outBlockNum==7)
744 
               begin
745 
                  Bit#(PicWidthSz) tempStoreAddr = truncate(currMbHor);
746 
                  InterBlockMv outBlockMv = interOutBlockMvfifo.first();
747 
                  if(outBlockMv matches tagged BlockMv .bdata)
748 
                     begin
749 
                        outBlockMv = (BlockMv {refIdx:bdata.refIdx,mvhor:bdata.mvhor,mvver:bdata.mvver,nonZeroTransCoeff:(interTopNonZeroTransCoeff[pixelVer]?1:0)});
750 
                        interOutBlockMvfifo.deq();
751 
                     end
752 
                  else if(pixelVer==3)
753 
                     interOutBlockMvfifo.deq();
754 
                  if(pixelVer==3 && picWidth>1)
755 
                     interMemReqQdelay <= StoreReq {addr:{tempStoreAddr,pixelVer},data:pack(outBlockMv)};
756 
                  else
757 
                     interMemReqQ.enq(StoreReq {addr:{tempStoreAddr,pixelVer},data:pack(outBlockMv)});
758 
                  if(pixelVer>0)
759 
                     begin
760 
                        Bit#(4)  intra4x4typeTopStore = ((outstatefifo.first()==Inter) ? 14 : ((outstatefifo.first()!=Intra4x4) ? 13: intra4x4typeTop[(pixelVer-1)]));
761 
                        Bit#(32) intraTopValStore = intraTopVal[(pixelVer-1)];
762 
                        Bit#(16) intraTopValChroma0Store = intraTopValChroma0[(pixelVer-1)];
763 
                        Bit#(16) intraTopValChroma1Store = (pixelVer<3 ? intraTopValChroma1[(pixelVer-1)] : {outputVector[1],outputVector[0]});
764 
                        Bit#(68) intraStore = {intra4x4typeTopStore,intraTopValChroma1Store,intraTopValChroma0Store,intraTopValStore};
765 
                        intraMemReqQ.enq(StoreReq {addr:{tempStoreAddr,(pixelVer-1)},data:intraStore});
766 
                        if(pixelVer==3)
767 
                           begin
768 
                              intra4x4typeTopStore = ((outstatefifo.first()==Inter) ? 14 : ((outstatefifo.first()!=Intra4x4) ? 13: intra4x4typeTop[3]));
769 
                              intraTopValStore = intraTopVal[3];
770 
                              intraTopValChroma0Store = intraTopValChroma0[3];
771 
                              intraTopValChroma1Store = {outputVector[3],outputVector[2]};
772 
                              intraStore = {intra4x4typeTopStore,intraTopValChroma1Store,intraTopValChroma0Store,intraTopValStore};
773 
                              intraMemReqQdelay <= StoreReq {addr:{tempStoreAddr,2'b11},data:intraStore};
774 
                           end
775 
                     end
776 
               end
777 
            outPixelNum <= outPixelNum+4;
778 
            if(outPixelNum == 12)
779 
               begin
780 
                  if(outChromaFlag==0)
781 
                     begin
782 
                        outBlockNum <= outBlockNum+1;
783 
                        if(outBlockNum == 15)
784 
                           outChromaFlag <= 1;
785 
                        if(nextoutputfifo.first() == Intra4x4)
786 
                           nextoutputfifo.deq();
787 
                     end
788 
                  else
789 
                     begin
790 
                        if(outBlockNum == 7)
791 
                           begin
792 
                              outBlockNum <= 0;
793 
                              outChromaFlag <= 0;
794 
                              currMb <= currMb+1;
795 
                              currMbHor <= currMbHor+1;
796 
                              interCurrMbDiff <= interCurrMbDiff-1;
797 
                              outstatefifo.deq;
798 
                              intrastate <= Start;
799 
                              if(truncate(currMbHor)==picWidth-1 && currMbVer==picHeight-1)
800 
                                 interpolator.endOfFrame();
801 
                              nextoutputfifo.deq();
802 
                           end
803 
                        else
804 
                           outBlockNum <= outBlockNum+1;
805 
                     end
806 
               end
807 
         end
808 
   endrule
809 
 
810 
 
811 
   rule currMbHorUpdate( !(currMbHor
812 
      Bit#(PicAreaSz) temp = zeroExtend(picWidth);
813 
      if((currMbHor >> 3) >= temp)
814 
         begin
815 
            currMbHor <= currMbHor - (temp << 3);
816 
            currMbVer <= currMbVer + 8;
817 
         end
818 
      else
819 
         begin
820 
            currMbHor <= currMbHor - temp;
821 
            currMbVer <= currMbVer + 1;
822 
         end
823 
      //$display( "Trace Prediction: currMbHorUpdate %h %h", currMbHor, currMbVer);
824 
   endrule
825 
 
826 
 
827 
   // inter prediction rules
828 
 
829 
   rule interSendReq ( interReqCount>0 && currMbHor
830 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
831 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
832 
      if( currMbHorTemp >= zeroExtend(picWidth) )
833 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
834 
      Bit#(PicWidthSz) temp2 = truncate(currMbHorTemp);
835 
      Bit#(TAdd#(PicWidthSz,2)) temp = 0;
836 
      Bool noMoreReq = False;
837 
      if( currMbTemp < zeroExtend(picWidth) )
838 
         noMoreReq = True;
839 
      else
840 
         begin
841 
            if(interReqCount<5)
842 
               begin
843 
                  Bit#(2) temp3 = truncate(interReqCount-1);
844 
                  temp = {temp2,temp3};
845 
               end
846 
            else if(interReqCount==5)
847 
               begin
848 
                  if((currMbHorTemp+1)
849 
                     temp = {(temp2+1),2'b00};
850 
                  else if(currMbHorTemp>0 && currMbTemp-firstMb>zeroExtend(picWidth))
851 
                     temp = {(temp2-1),2'b11};
852 
                  else
853 
                     noMoreReq = True;
854 
               end
855 
            else if(interReqCount==6)
856 
               begin
857 
                  if((currMbHorTemp+1)0 && currMbTemp-firstMb>zeroExtend(picWidth))
858 
                     temp = {(temp2-1),2'b11};
859 
                  else
860 
                     noMoreReq = True;
861 
               end
862 
            else
863 
               noMoreReq = True;
864 
         end
865 
      if(!noMoreReq)
866 
         begin
867 
            interMemReqQ.enq(LoadReq temp);
868 
            interReqCount <= interReqCount+1;
869 
            //$display( "TRACE Prediction: interSendReq addr %0d",temp);///////////////////////
870 
         end
871 
      else
872 
         interReqCount <= 0;
873 
      $display( "Trace Prediction: interSendReq %h %h %h", interstate, interReqCount, temp);
874 
   endrule
875 
 
876 
 
877 
   rule interReceiveNoResp ( interRespCount>0 && currMbHor
878 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
879 
      if( currMbHorTemp >= zeroExtend(picWidth) )
880 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
881 
      interRespCount <= 0;
882 
      interStepCount <= 1;
883 
      interIPStepCount <= 1;
884 
      if(currMbHorTemp == 0)
885 
         begin
886 
            interLeftVal <= replicate(NotInter 0);
887 
            interTopLeftVal <= replicate(NotInter 0);
888 
         end
889 
      $display( "Trace Prediction: interReceiveNoResp %h %h", interstate, interRespCount);
890 
   endrule
891 
 
892 
 
893 
   rule interReceiveResp ( interRespCount>0 && interRespCount<7 && currMbHor
894 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
895 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
896 
      if( currMbHorTemp >= zeroExtend(picWidth) )
897 
         currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
898 
      Bool noMoreResp = False;
899 
      Bit#(2) temp2bit = 0;
900 
      InterBlockMv unpackedData = unpack(data);
901 
      Vector#(5,InterBlockMv) interTopValNext = interTopVal;
902 
      Vector#(4,InterBlockMv) interTopLeftValNext = interTopLeftVal;
903 
      if(interRespCount<5)
904 
         begin
905 
            temp2bit = truncate(interRespCount-1);
906 
            interTopValNext[temp2bit] = unpackedData;
907 
            if((interRespCount==4 || (interRespCount==1 && (interstate==InterPskip || interstate==InterP16x16 || interstate==InterP16x8)))
908 
               && (!((currMbHorTemp+1)0 && currMbTemp-firstMb>zeroExtend(picWidth))))
909 
               noMoreResp = True;
910 
         end
911 
      else if(interRespCount==5)
912 
         begin
913 
            if((currMbHorTemp+1)
914 
               begin
915 
                  interTopValNext[4] = unpackedData;
916 
                  if(!(currMbHorTemp>0 && currMbTemp-firstMb>zeroExtend(picWidth)))
917 
                     noMoreResp = True;
918 
               end
919 
            else
920 
               begin
921 
                  interTopLeftValNext[0] = unpackedData;
922 
                  noMoreResp = True;
923 
               end
924 
         end
925 
      else
926 
         begin
927 
            interTopLeftValNext[0] = unpackedData;
928 
            noMoreResp = True;
929 
         end
930 
      interMemRespQ.deq();
931 
      //$display( "TRACE Prediction: interReceiveResp data %h",data);///////////////////////
932 
      if(!noMoreResp)
933 
         interRespCount <= interRespCount+1;
934 
      else
935 
         begin
936 
            interRespCount <= 0;
937 
            interStepCount <= 1;
938 
            interIPStepCount <= 1;
939 
            if(currMbHorTemp == 0)
940 
               begin
941 
                  interLeftVal <= replicate(NotInter 0);
942 
                  interTopLeftValNext = replicate(NotInter 0);
943 
               end
944 
         end
945 
      interTopVal <= interTopValNext;
946 
      interTopLeftVal <= interTopLeftValNext;
947 
      $display( "Trace Prediction: interReceiveResp %h %h %h", interstate, interRespCount, data);
948 
   endrule
949 
 
950 
 
951 
   rule interProcessStep ( interStepCount>0 && currMbHor
952 
      Bit#(PicAreaSz) currMbTemp = currMb+zeroExtend(interCurrMbDiff)-1;
953 
      Bit#(2) blockHor = {interMbPartNum[0],interSubMbPartNum[0]};
954 
      Bit#(2) blockVer = {interMbPartNum[1],interSubMbPartNum[1]};
955 
      Bit#(3) partWidth = 0;
956 
      Bit#(3) partHeight = 0;
957 
      Bit#(3) numPart = 1;
958 
      Bit#(3) numSubPart = 1;
959 
      Bit#(2) subMbType = 0;
960 
      Bool noBlockC = False;
961 
      Bool calcmv = False;
962 
      Bool leftmv = False;
963 
      if(interstate==InterPskip || interstate==InterP16x16)
964 
         begin
965 
            partWidth = 4;
966 
            partHeight = 4;
967 
            numPart = 1;
968 
            calcmv = (interMbPartNum==0 && interSubMbPartNum==0);
969 
            leftmv = (blockHor>0);
970 
         end
971 
      else if(interstate==InterP16x8)
972 
         begin
973 
            partWidth = 4;
974 
            partHeight = 2;
975 
            numPart = 2;
976 
            if(interMbPartNum==2)
977 
               noBlockC = True;
978 
            calcmv = (interMbPartNum[0]==0 && interSubMbPartNum==0);
979 
            leftmv = (blockHor>0);
980 
         end
981 
      else if(interstate==InterP8x16)
982 
         begin
983 
            partWidth = 2;
984 
            partHeight = 4;
985 
            numPart = 2;
986 
            calcmv = (interMbPartNum[1]==0 && interSubMbPartNum==0);
987 
            leftmv = !(blockVer>0);
988 
         end
989 
      else if(interstate==InterP8x8 || interstate==InterP8x8ref0)
990 
         begin
991 
            numPart = 4;
992 
            subMbType = interSubMbTypeVector[interMbPartNum];
993 
            numSubPart = numSubMbPart(subMbType);
994 
            case(subMbType)
995 
               0:
996 
               begin
997 
                  partWidth = 2;
998 
                  partHeight = 2;
999 
                  if(interMbPartNum==3)
1000 
                     noBlockC = True;
1001 
                  calcmv = (interSubMbPartNum==0);
1002 
                  leftmv = (blockHor[0]>0);
1003 
               end
1004 
               1:
1005 
               begin
1006 
                  partWidth = 2;
1007 
                  partHeight = 1;
1008 
                  if(interSubMbPartNum==2)
1009 
                     noBlockC = True;
1010 
                  calcmv = (interSubMbPartNum[0]==0);
1011 
                  leftmv = True;
1012 
               end
1013 
               2:
1014 
               begin
1015 
                  partWidth = 1;
1016 
                  partHeight = 2;
1017 
                  calcmv = (interSubMbPartNum[1]==0);
1018 
                  leftmv = False;
1019 
               end
1020 
               3:
1021 
               begin
1022 
                  partWidth = 1;
1023 
                  partHeight = 1;
1024 
                  if(interSubMbPartNum==3)
1025 
                     noBlockC = True;
1026 
                  calcmv = True;
1027 
               end
1028 
            endcase
1029 
         end
1030 
      else
1031 
         $display( "ERROR Prediction: interProcessStep unexpected interstate");
1032 
      Bit#(4) refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interMbPartNum]);
1033 
      Vector#(3,InterBlockMv) blockABC = replicate(NotInter 0);
1034 
      if( currMbTemp-firstMb==0 && blockHor==0 )
1035 
         blockABC[0] = (NotInter 0);
1036 
      else
1037 
         blockABC[0] = interLeftVal[blockVer];
1038 
      if( currMbTemp-firstMb
1039 
         blockABC[1] = (NotInter 0);
1040 
      else
1041 
         blockABC[1] = interTopVal[blockHor];
1042 
      blockABC[2] = interTopVal[{1'b0,blockHor}+partWidth];
1043 
      if(noBlockC || blockABC[2]==(NotInter 0))
1044 
         blockABC[2] = interTopLeftVal[blockVer];
1045 
      Bit#(14) mvhorfinal = 0;
1046 
      Bit#(12) mvverfinal = 0;
1047 
      Bit#(5) interNewestMvNext = 0;
1048 
      if(calcmv)//motion vector caculation
1049 
         begin
1050 
            Vector#(3,Int#(14)) mvhorABC = replicate(0);
1051 
            Vector#(3,Int#(12)) mvverABC = replicate(0);
1052 
            Bit#(2) validCount = 0;
1053 
            Bit#(14) mvhorPred = 0;
1054 
            Bit#(12) mvverPred = 0;
1055 
            for(Integer ii=0; ii<3; ii=ii+1)
1056 
               begin
1057 
                  if(blockABC[ii] matches tagged BlockMv .xdata)
1058 
                     begin
1059 
                        mvhorABC[ii] = unpack(xdata.mvhor);
1060 
                        mvverABC[ii] = unpack(xdata.mvver);
1061 
                        if(xdata.refIdx == refIndex)
1062 
                           begin
1063 
                              validCount = validCount+1;
1064 
                              mvhorPred = xdata.mvhor;
1065 
                              mvverPred = xdata.mvver;
1066 
                           end
1067 
                     end
1068 
                  else
1069 
                     begin
1070 
                        mvhorABC[ii] = 0;
1071 
                        mvverABC[ii] = 0;
1072 
                     end
1073 
               end
1074 
            if(validCount != 1)//median
1075 
               begin
1076 
                  if(mvhorABC[0]>mvhorABC[1] && mvhorABC[0]>mvhorABC[2])
1077 
                     mvhorPred = pack((mvhorABC[1]>mvhorABC[2]) ? mvhorABC[1] : mvhorABC[2]);
1078 
                  else if(mvhorABC[0]
1079 
                     mvhorPred = pack((mvhorABC[1]
1080 
                  else
1081 
                     mvhorPred = pack(mvhorABC[0]);
1082 
                  if(mvverABC[0]>mvverABC[1] && mvverABC[0]>mvverABC[2])
1083 
                     mvverPred = pack((mvverABC[1]>mvverABC[2]) ? mvverABC[1] : mvverABC[2]);
1084 
                  else if(mvverABC[0]
1085 
                     mvverPred = pack((mvverABC[1]
1086 
                  else
1087 
                     mvverPred = pack(mvverABC[0]);
1088 
               end
1089 
            if(interstate==InterPskip)
1090 
               begin
1091 
                  for(Integer ii=0; ii<2; ii=ii+1)
1092 
                     begin
1093 
                        if(blockABC[ii] matches tagged BlockMv .xdata)
1094 
                           begin
1095 
                              if(xdata.refIdx==0 && xdata.mvhor==0 && xdata.mvver==0)
1096 
                                 begin
1097 
                                    mvhorPred = 0;
1098 
                                    mvverPred = 0;
1099 
                                 end
1100 
                           end
1101 
                        else if(blockABC[ii] matches tagged NotInter 0)
1102 
                           begin
1103 
                              mvhorPred = 0;
1104 
                              mvverPred = 0;
1105 
                           end
1106 
                     end
1107 
               end
1108 
            else if(interstate==InterP16x8 || interstate==InterP8x16)
1109 
               begin
1110 
                  InterBlockMv blockCheck;
1111 
                  if(interstate==InterP16x8)
1112 
                     begin
1113 
                        if(interMbPartNum==0)
1114 
                           blockCheck = blockABC[1];
1115 
                        else
1116 
                           blockCheck = blockABC[0];
1117 
                     end
1118 
                  else
1119 
                     begin
1120 
                        if(interMbPartNum==0)
1121 
                           blockCheck = blockABC[0];
1122 
                        else
1123 
                           blockCheck = blockABC[2];
1124 
                     end
1125 
                  if(blockCheck matches tagged BlockMv .xdata &&& xdata.refIdx==refIndex)
1126 
                     begin
1127 
                        mvhorPred = xdata.mvhor;
1128 
                        mvverPred = xdata.mvver;
1129 
                     end
1130 
               end
1131 
            mvhorfinal = mvhorPred;
1132 
            mvverfinal = mvverPred;
1133 
            if(interstate!=InterPskip)
1134 
               begin
1135 
                  mvhorfinal = truncate(tpl_1(interMvDiff.first()) + signExtend(mvhorPred));
1136 
                  mvverfinal = truncate(tpl_2(interMvDiff.first()) + signExtend(mvverPred));
1137 
                  interMvDiff.deq();
1138 
               end
1139 
            interMvFile.upd({interMbPartNum,interSubMbPartNum},tuple2(mvhorfinal,mvverfinal));
1140 
            interNewestMvNext = zeroExtend({interMbPartNum,interSubMbPartNum})+1;
1141 
            $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);
1142 
         end
1143 
      else
1144 
         begin
1145 
            if(leftmv)
1146 
               begin
1147 
                  if(blockABC[0] matches tagged BlockMv .xdata)
1148 
                     begin
1149 
                        mvhorfinal = unpack(xdata.mvhor);
1150 
                        mvverfinal = unpack(xdata.mvver);
1151 
                     end
1152 
                  else
1153 
                     $display( "ERROR Prediction: interProcessStep unexpected blockABC[0]");
1154 
               end
1155 
            else
1156 
               begin
1157 
                  if(blockABC[1] matches tagged BlockMv .xdata)
1158 
                     begin
1159 
                        mvhorfinal = unpack(xdata.mvhor);
1160 
                        mvverfinal = unpack(xdata.mvver);
1161 
                     end
1162 
                  else
1163 
                     $display( "ERROR Prediction: interProcessStep unexpected blockABC[1]");
1164 
               end
1165 
         end
1166 
      Bit#(2) tempBShor = 0;//bS calculation
1167 
      Bit#(2) tempBSver = 0;
1168 
      if(interLeftVal[blockVer] matches tagged BlockMv .xdata)
1169 
         begin
1170 
            if(xdata.nonZeroTransCoeff == 1)
1171 
               tempBShor = 2;
1172 
            else
1173 
               begin
1174 
                  if(xdata.refIdx!=refIndex || absDiffGEFour14(mvhorfinal,xdata.mvhor) || absDiffGEFour12(mvverfinal,xdata.mvver))
1175 
                     tempBShor = 1;
1176 
                  else
1177 
                     tempBShor = 0;
1178 
               end
1179 
         end
1180 
      else
1181 
         tempBShor = 3;
1182 
      if(interTopVal[blockHor] matches tagged BlockMv .xdata)
1183 
         begin
1184 
            if(xdata.nonZeroTransCoeff == 1)
1185 
               tempBSver = 2;
1186 
            else
1187 
               begin
1188 
                  if(xdata.refIdx!=refIndex || absDiffGEFour14(mvhorfinal,xdata.mvhor) || absDiffGEFour12(mvverfinal,xdata.mvver))
1189 
                     tempBSver = 1;
1190 
                  else
1191 
                     tempBSver = 0;
1192 
               end
1193 
         end
1194 
      else
1195 
         tempBSver = 3;
1196 
      interBSfifo.enq(tuple2(tempBShor,tempBSver));
1197 
      Vector#(5,InterBlockMv) interTopValNext = interTopVal;//update inter*Val
1198 
      Vector#(4,InterBlockMv) interLeftValNext = interLeftVal;
1199 
      Vector#(4,InterBlockMv) interTopLeftValNext = interTopLeftVal;
1200 
      interLeftValNext[blockVer] = (BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1201 
      interTopValNext[blockHor] = (BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1202 
      interTopLeftValNext[blockVer] = interTopVal[blockHor];
1203 
      interTopVal <= interTopValNext;
1204 
      interLeftVal <= interLeftValNext;
1205 
      interTopLeftVal <= interTopLeftValNext;
1206 
      if(blockVer == 3)
1207 
         interOutBlockMvfifo.enq(BlockMv {refIdx:refIndex,mvhor:mvhorfinal,mvver:mvverfinal,nonZeroTransCoeff:0});
1208 
      if(interSubMbPartNum == 3)//next step
1209 
         begin
1210 
            interSubMbPartNum <= 0;
1211 
            if(interMbPartNum == 3)
1212 
               begin
1213 
                  interMbPartNum <= 0;
1214 
                  interStepCount <= 0;
1215 
                  interNewestMvNext = 16;
1216 
               end
1217 
            else
1218 
               interMbPartNum <= interMbPartNum+1;
1219 
         end
1220 
      else
1221 
         interSubMbPartNum <= interSubMbPartNum+1;
1222 
      if(interNewestMvNext > 0)
1223 
         interNewestMv <= interNewestMvNext;
1224 
   endrule
1225 
 
1226 
 
1227 
   rule interIPProcessStep ( interIPStepCount>0 && currMbHorzeroExtend({interIPMbPartNum,interIPSubMbPartNum}) );
1228 
      Bit#(PicAreaSz) currMbHorTemp = currMbHor+zeroExtend(interCurrMbDiff)-1;
1229 
      Bit#(PicHeightSz) currMbVerTemp = currMbVer;
1230 
      if( currMbHorTemp >= zeroExtend(picWidth) )
1231 
         begin
1232 
            currMbHorTemp = currMbHorTemp-zeroExtend(picWidth);
1233 
            currMbVerTemp = currMbVerTemp+1;
1234 
         end
1235 
      Bit#(2) blockHor = {interIPMbPartNum[0],interIPSubMbPartNum[0]};
1236 
      Bit#(2) blockVer = {interIPMbPartNum[1],interIPSubMbPartNum[1]};
1237 
      Bit#(3) numPart = 1;
1238 
      Bit#(3) numSubPart = 1;
1239 
      Bit#(2) subMbType = 0;
1240 
      if(interstate==InterPskip || interstate==InterP16x16)
1241 
         numPart = 1;
1242 
      else if(interstate==InterP16x8)
1243 
         numPart = 2;
1244 
      else if(interstate==InterP8x16)
1245 
         numPart = 2;
1246 
      else if(interstate==InterP8x8 || interstate==InterP8x8ref0)
1247 
         begin
1248 
            numPart = 4;
1249 
            subMbType = interSubMbTypeVector[interIPMbPartNum];
1250 
            numSubPart = numSubMbPart(subMbType);
1251 
         end
1252 
      else
1253 
         $display( "ERROR Prediction: interIPProcessStep unexpected interstate");
1254 
      Bit#(4) refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interIPMbPartNum]);
1255 
      Bit#(PicWidthSz) currMbHorT = truncate(currMbHorTemp);
1256 
      Bit#(TAdd#(PicWidthSz,2)) horTemp = {currMbHorT,blockHor};
1257 
      Bit#(TAdd#(PicHeightSz,4)) verTemp = {currMbVerTemp,blockVer,2'b00};
1258 
      IPBlockType btTemp = IP16x16;
1259 
      if(interstate==InterPskip || interstate==InterP16x16)
1260 
         btTemp = IP16x16;
1261 
      else if(interstate==InterP16x8)
1262 
         btTemp = IP16x8;
1263 
      else if(interstate==InterP8x16)
1264 
         btTemp = IP8x16;
1265 
      else
1266 
         begin
1267 
            case(subMbType)
1268 
               0: btTemp = IP8x8;
1269 
               1: btTemp = IP8x4;
1270 
               2: btTemp = IP4x8;
1271 
               3: btTemp = IP4x4;
1272 
            endcase
1273 
         end
1274 
      Bit#(14) mvhorTemp = tpl_1(interMvFile.sub({interIPMbPartNum,interIPSubMbPartNum}));
1275 
      Bit#(12) mvverTemp = tpl_2(interMvFile.sub({interIPMbPartNum,interIPSubMbPartNum}));
1276 
      if(interIPStepCount == 1)
1277 
         begin
1278 
            if(!(interstate==InterP8x8 || interstate==InterP8x8ref0))
1279 
               begin
1280 
                  numPart = 4;
1281 
                  Bit#(2) interIPMbPartNumTemp = interIPMbPartNum;
1282 
                  if(btTemp==IP16x16)
1283 
                     interIPMbPartNumTemp = 0;
1284 
                  else if(btTemp==IP16x8 && interIPMbPartNumTemp[0]==1)
1285 
                     interIPMbPartNumTemp = interIPMbPartNumTemp-1;
1286 
                  else if(btTemp==IP8x16 && interIPMbPartNumTemp[1]==1)
1287 
                     interIPMbPartNumTemp = interIPMbPartNumTemp-2;
1288 
                  refIndex = ((interstate==InterPskip||interstate==InterP8x8ref0) ? 0 : interRefIdxVector[interIPMbPartNumTemp]);
1289 
                  btTemp = IP8x8;
1290 
                  mvhorTemp = tpl_1(interMvFile.sub({interIPMbPartNumTemp,2'b00}));
1291 
                  mvverTemp = tpl_2(interMvFile.sub({interIPMbPartNumTemp,2'b00}));
1292 
                  interpolator.request(IPLuma {refIdx:refIndex,hor:horTemp,ver:verTemp,mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1293 
               end
1294 
            else
1295 
               interpolator.request(IPLuma {refIdx:refIndex,hor:horTemp,ver:verTemp,mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1296 
         end
1297 
      else
1298 
         interpolator.request(IPChroma {refIdx:refIndex,uv:interIPStepCount[0],hor:horTemp,ver:truncate(verTemp>>1),mvhor:mvhorTemp,mvver:mvverTemp,bt:btTemp});
1299 
      if(interIPSubMbPartNum >= truncate(numSubPart-1))
1300 
         begin
1301 
            interIPSubMbPartNum <= 0;
1302 
            if(interIPMbPartNum >= truncate(numPart-1))
1303 
               begin
1304 
                  interIPMbPartNum <= 0;
1305 
                  interIPStepCount <= interIPStepCount+1;
1306 
               end
1307 
            else
1308 
               begin
1309 
                  if(btTemp == IP16x8)
1310 
                     interIPMbPartNum <= 2;
1311 
                  else
1312 
                     interIPMbPartNum <= interIPMbPartNum+1;
1313 
               end
1314 
         end
1315 
      else
1316 
         begin
1317 
            if(subMbType == 1)
1318 
               interIPSubMbPartNum <= 2;
1319 
            else
1320 
               interIPSubMbPartNum <= interIPSubMbPartNum+1;
1321 
         end
1322 
      $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));
1323 
   endrule
1324 
 
1325 
 
1326 
   rule interDone ( interstate!=Start && interReqCount==0 && interRespCount==0 && interStepCount==0 && interIPStepCount==0 );
1327 
      interstate <= Start;
1328 
      //$display( "Trace Prediction: interOutputTransfer %h %h", interstate, interOutputCount);
1329 
   endrule
1330 
 
1331 
 
1332 
   rule interOutputTransfer ( True );
1333 
      predictedfifo.enq(interpolator.first());
1334 
      interpolator.deq();
1335 
      //$display( "Trace Prediction: interOutputTransfer %h %h", interstate, interOutputCount);
1336 
   endrule
1337 
 
1338 
 
1339 
 
1340 
   // intra prediction rules
1341 
 
1342 
   rule intraSendReq ( intraReqCount>0 && currMbHor
1343 
      Bit#(PicWidthSz) temp2 = truncate(currMbHor);
1344 
      Bit#(TAdd#(PicWidthSz,2)) temp = 0;
1345 
      Bit#(1) noMoreReq = 0;
1346 
      if( currMb-firstMb < zeroExtend(picWidth) )
1347 
         noMoreReq = 1;
1348 
      else
1349 
         begin
1350 
            if(intraReqCount<5)
1351 
               begin
1352 
                  Bit#(2) temp3 = truncate(intraReqCount-1);
1353 
                  temp = {temp2,temp3};
1354 
               end
1355 
            else if(intraReqCount==5)
1356 
               begin
1357 
                  if((currMbHor+1)
1358 
                     temp = {(temp2+1),2'b00};
1359 
                  else if(currMbHor>0 && currMb-firstMb>zeroExtend(picWidth))
1360 
                     temp = {(temp2-1),2'b11};
1361 
                  else
1362 
                     noMoreReq = 1;
1363 
               end
1364 
            else if(intraReqCount==6)
1365 
               begin
1366 
                  if((currMbHor+1)0 && currMb-firstMb>zeroExtend(picWidth))
1367 
                     temp = {(temp2-1),2'b11};
1368 
                  else
1369 
                     noMoreReq = 1;
1370 
               end
1371 
            else
1372 
               noMoreReq = 1;
1373 
         end
1374 
      if(noMoreReq == 0)
1375 
         begin
1376 
            intraMemReqQ.enq(LoadReq temp);
1377 
            intraReqCount <= intraReqCount+1;
1378 
            //$display( "TRACE Prediction: intraSendReq addr %0d",temp);///////////////////////
1379 
         end
1380 
      else
1381 
         intraReqCount <= 0;
1382 
      $display( "Trace Prediction: intraSendReq");
1383 
   endrule
1384 
 
1385 
 
1386 
   rule intraReceiveNoResp ( intraRespCount>0 && currMbHor
1387 
      intra4x4typeTop <= replicate(15);
1388 
      intraRespCount <= 0;
1389 
      intraStepCount <= 1;
1390 
      blockNum <= 0;
1391 
      pixelNum <= 0;
1392 
      interOutBlockMvfifo.enq(NotInter 1);
1393 
      $display( "Trace Prediction: intraReceiveNoResp");
1394 
   endrule
1395 
 
1396 
 
1397 
   rule intraReceiveResp ( intraRespCount>0 && intraRespCount<7 && currMbHor
1398 
      Bit#(1) noMoreResp = 0;
1399 
      Bit#(2) temp2bit = 0;
1400 
      if(intraRespCount<5)
1401 
         begin
1402 
            temp2bit = truncate(intraRespCount-1);
1403 
            intra4x4typeTop <= update(intra4x4typeTop, temp2bit, data[67:64]);
1404 
            if(intraRespCount==4)
1405 
               begin
1406 
                  Vector#(5,Bit#(32)) intraTopValTemp = intraTopVal;
1407 
                  intraTopValTemp[3] = data[31:0];
1408 
                  intraTopValTemp[4] = {data[31:24],data[31:24],data[31:24],data[31:24]};
1409 
                  intraTopVal <= intraTopValTemp;
1410 
                  if(!((currMbHor+1)0 && currMb-firstMb>zeroExtend(picWidth)))
1411 
                     noMoreResp = 1;
1412 
               end
1413 
            else
1414 
               intraTopVal <= update(intraTopVal, intraRespCount-1, data[31:0]);
1415 
            intraTopValChroma0 <= update(intraTopValChroma0, temp2bit, data[47:32]);
1416 
            intraTopValChroma1 <= update(intraTopValChroma1, temp2bit, data[63:48]);
1417 
         end
1418 
      else if(intraRespCount==5)
1419 
         begin
1420 
            if((currMbHor+1)
1421 
               begin
1422 
                  if(!(data[67:64]==15 || (data[67:64]==14 && ppsconstrained_intra_pred_flag==1)))
1423 
                     intraTopVal <= update(intraTopVal, 4, data[31:0]);
1424 
                  if(!(currMbHor>0 && currMb-firstMb>zeroExtend(picWidth)))
1425 
                     noMoreResp = 1;
1426 
               end
1427 
            else
1428 
               begin
1429 
                  Bit#(40) temp2 = intraLeftVal[0];
1430 
                  intraLeftVal <= update(intraLeftVal, 0, {temp2[39:8],data[31:24]});
1431 
                  intraLeftValChroma0 <= update(intraLeftValChroma0, 0, data[47:40]);
1432 
                  intraLeftValChroma1 <= update(intraLeftValChroma1, 0, data[63:56]);
1433 
                  noMoreResp = 1;
1434 
               end
1435 
         end
1436 
      else
1437 
         begin
1438 
            Bit#(40) temp2 = intraLeftVal[0];
1439 
            intraLeftVal <= update(intraLeftVal, 0, {temp2[39:8],data[31:24]});
1440 
            intraLeftValChroma0 <= update(intraLeftValChroma0, 0, data[47:40]);
1441 
            intraLeftValChroma1 <= update(intraLeftValChroma1, 0, data[63:56]);
1442 
            noMoreResp = 1;
1443 
         end
1444 
      intraMemRespQ.deq();
1445 
      //$display( "TRACE Prediction: intraReceiveResp data %h",data);///////////////////////
1446 
      if(noMoreResp == 0)
1447 
         intraRespCount <= intraRespCount+1;
1448 
      else
1449 
         begin
1450 
            intraRespCount <= 0;
1451 
            intraStepCount <= 1;
1452 
            blockNum <= 0;
1453 
            pixelNum <= 0;
1454 
            interOutBlockMvfifo.enq(NotInter 1);
1455 
         end
1456 
      $display( "Trace Prediction: intraReceiveResp");
1457 
   endrule
1458 
 
1459 
 
1460 
   rule intraPredTypeStep ( intraStepCount==1 && !nextoutputfifo.notEmpty());
1461 
      Bit#(2) blockHor = {blockNum[2],blockNum[0]};
1462 
      Bit#(2) blockVer = {blockNum[3],blockNum[1]};
1463 
      Bit#(4) topType = select(intra4x4typeTop, blockHor);
1464 
      Bit#(4) leftType;
1465 
      if(currMbHor!=0 || blockNum!=0)
1466 
         leftType = select(intra4x4typeLeft, blockVer);
1467 
      else
1468 
         begin
1469 
            leftType = 15;
1470 
            intra4x4typeLeft <= replicate(15);
1471 
         end
1472 
      if(intrastate!=Intra4x4)
1473 
         begin
1474 
            intraStepCount <= intraStepCount+1;
1475 
            nextoutputfifo.enq(NonSkipMB);
1476 
         end
1477 
      else
1478 
         begin
1479 
            Bit#(1) topAvailable;
1480 
            Bit#(1) leftAvailable;
1481 
            if(topType==15 || (topType==14 && ppsconstrained_intra_pred_flag==1))
1482 
               topAvailable = 0;
1483 
            else
1484 
               topAvailable = 1;
1485 
            if(leftType==15 || (leftType==14 && ppsconstrained_intra_pred_flag==1))
1486 
               leftAvailable = 0;
1487 
            else
1488 
               leftAvailable = 1;
1489 
            Bit#(4) predType = 0;
1490 
            Bit#(4) remType = rem_intra4x4_pred_mode.first();
1491 
            Bit#(4) curType = 0;
1492 
            rem_intra4x4_pred_mode.deq();
1493 
            if(topAvailable==0 || leftAvailable==0)
1494 
               predType = 2;
1495 
            else
1496 
               begin
1497 
                  Bit#(4) topType2 = topType;
1498 
                  Bit#(4) leftType2 = leftType;
1499 
                  if(topType>8)
1500 
                     topType2 = 2;
1501 
                  if(leftType>8)
1502 
                     leftType2 = 2;
1503 
                  if(topType2 > leftType2)
1504 
                     predType = leftType2;
1505 
                  else
1506 
                     predType = topType2;
1507 
               end
1508 
            if(remType[3] == 1)
1509 
               curType = predType;
1510 
            else if(remType < predType)
1511 
               curType = remType;
1512 
            else
1513 
               curType = remType+1;
1514 
            cur_intra4x4_pred_mode <= curType;
1515 
            intraStepCount <= intraStepCount+1;
1516 
            if(blockNum == 15)
1517 
               nextoutputfifo.enq(Intra4x4PlusChroma);
1518 
            else
1519 
               nextoutputfifo.enq(Intra4x4);
1520 
            $display( "TRACE Prediction: intraPredTypeStep currMbHor currMbVer blockNum topType leftType predType remType curType %0d %0d %0d %0d %0d %0d %0d %0d",currMbHor,currMbVer,blockNum,topType,leftType,predType,remType,curType);//////////////////
1521 
         end
1522 
      //$display( "Trace Prediction: intraPredTypeStep");
1523 
   endrule
1524 
 
1525 
 
1526 
   rule intraProcessStep ( intraStepCount>1 );
1527 
      $display( "TRACE Prediction: intraProcessStep %0d %0d", blockNum, pixelNum);////////////////////
1528 
      //$display( "TRACE Prediction: intraProcessStep intraTopVal %h %h %h %h %h",intraTopVal[4],intraTopVal[3],intraTopVal[2],intraTopVal[1],intraTopVal[0]);/////////////////
1529 
      Bit#(1) outFlag  = 0;
1530 
      Bit#(4) nextIntraStepCount = intraStepCount+1;
1531 
      Bit#(2) blockHor = {blockNum[2],blockNum[0]};
1532 
      Bit#(2) blockVer = {blockNum[3],blockNum[1]};
1533 
      Bit#(2) pixelVer = {pixelNum[3],pixelNum[2]};
1534 
      Vector#(4,Bit#(8)) predVector = replicate(0);
1535 
 
1536 
      Bit#(4) topType = select(intra4x4typeTop, blockHor);
1537 
      Bit#(4) leftType = select(intra4x4typeLeft, blockVer);
1538 
      Bit#(1) topAvailable;
1539 
      Bit#(1) leftAvailable;
1540 
      if(topType==15 || (topType==14 && ppsconstrained_intra_pred_flag==1))
1541 
         topAvailable = 0;
1542 
      else
1543 
         topAvailable = 1;
1544 
      if(leftType==15 || (leftType==14 && ppsconstrained_intra_pred_flag==1))
1545 
         leftAvailable = 0;
1546 
      else
1547 
         leftAvailable = 1;
1548 
      if(blockNum==0 && pixelNum==0 && intraChromaFlag==0)
1549 
         begin
1550 
            intraChromaTopAvailable <= topAvailable;
1551 
            intraChromaLeftAvailable <= leftAvailable;
1552 
         end
1553 
      if(intrastate==Intra4x4 && intraChromaFlag==0)
1554 
         begin
1555 
            if(intraStepCount==2)
1556 
               begin
1557 
                  outFlag = 1;
1558 
                  Bit#(40) leftValSet = select(intraLeftVal,blockVer);
1559 
                  Bit#(32) topMidValSet = select(intraTopVal,zeroExtend(blockHor));
1560 
                  Bit#(32) topRightValSet = select(intraTopVal,{1'b0,blockHor}+1);
1561 
                  Bit#(72) topValSet;
1562 
                  if((blockNum[3:2]==3 && blockNum[0]==1) || blockNum[1:0]==3)
1563 
                     topValSet = {topMidValSet[31:24],topMidValSet[31:24],topMidValSet[31:24],topMidValSet[31:24],topMidValSet,leftValSet[7:0]};
1564 
                  else
1565 
                     topValSet = {topRightValSet,topMidValSet,leftValSet[7:0]};
1566 
                  $display( "TRACE Prediction: intraProcessStep intra4x4 %0d %0d %h %h", cur_intra4x4_pred_mode, blockNum, leftValSet, topValSet);////////////////////
1567 
                  Bit#(4) topSelect1 = 0;
1568 
                  Bit#(4) topSelect2 = 0;
1569 
                  Bit#(4) topSelect3 = 0;
1570 
                  Bit#(3) leftSelect1 = 0;
1571 
                  Bit#(3) leftSelect2 = 0;
1572 
                  Bit#(3) leftSelect3 = 0;
1573 
                  Bit#(10) tempVal1 = 0;
1574 
                  Bit#(10) tempVal2 = 0;
1575 
                  Bit#(10) tempVal3 = 0;
1576 
                  case(cur_intra4x4_pred_mode)
1577 
                     0://vertical
1578 
                     begin
1579 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1580 
                           begin
1581 
                              topSelect1 = fromInteger(pixelHor);
1582 
                              Bit#(8) topVal = intra4x4SelectTop(topValSet,topSelect1);
1583 
                              predVector[pixelHor] = topVal;
1584 
                           end
1585 
                     end
1586 
                     1://horizontal
1587 
                     begin
1588 
                        leftSelect1 = zeroExtend(pixelVer);
1589 
                        Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,leftSelect1);
1590 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1591 
                           predVector[pixelHor] = leftVal;
1592 
                     end
1593 
                     2://dc
1594 
                     begin
1595 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1596 
                           begin
1597 
                              Bit#(10) tempTopSum = zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24])+zeroExtend(topValSet[39:32]) + 2;
1598 
                              Bit#(10) tempLeftSum = zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]) + 2;
1599 
                              Bit#(11) tempTotalSum = zeroExtend(tempTopSum)+zeroExtend(tempLeftSum);
1600 
                              Bit#(8) topSum = tempTopSum[9:2];
1601 
                              Bit#(8) leftSum = tempLeftSum[9:2];
1602 
                              Bit#(8) totalSum = tempTotalSum[10:3];
1603 
                              if(topAvailable==1 && leftAvailable==1)
1604 
                                 predVector[pixelHor] = totalSum;
1605 
                              else if(topAvailable==1)
1606 
                                 predVector[pixelHor] = topSum;
1607 
                              else if(leftAvailable==1)
1608 
                                 predVector[pixelHor] = leftSum;
1609 
                              else
1610 
                                 predVector[pixelHor] = 8'b10000000;
1611 
                           end
1612 
                     end
1613 
                     3://diagonal down left
1614 
                     begin
1615 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1616 
                           begin
1617 
                              Bit#(4) selectNum = fromInteger(pixelHor)+zeroExtend(pixelVer);
1618 
                              if(pixelHor==3 && pixelVer==3)
1619 
                                 begin
1620 
                                    topSelect1 = 6;
1621 
                                    topSelect2 = 7;
1622 
                                    topSelect3 = 7;
1623 
                                 end
1624 
                              else
1625 
                                 begin
1626 
                                    topSelect1 = selectNum;
1627 
                                    topSelect2 = selectNum+1;
1628 
                                    topSelect3 = selectNum+2;
1629 
                                 end
1630 
                              tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1631 
                              tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1632 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1633 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1634 
                              predVector[pixelHor] = predVal[9:2];
1635 
                           end
1636 
                     end
1637 
                     4://diagonal down right
1638 
                     begin
1639 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1640 
                           begin
1641 
                              if(fromInteger(pixelHor) > pixelVer)
1642 
                                 begin
1643 
                                    topSelect3 = fromInteger(pixelHor)-zeroExtend(pixelVer);
1644 
                                    topSelect2 = topSelect3-1;
1645 
                                    topSelect1 = topSelect3-2;
1646 
                                    tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1647 
                                    tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1648 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1649 
                                 end
1650 
                              else if(fromInteger(pixelHor) < pixelVer)
1651 
                                 begin
1652 
                                    leftSelect3 = zeroExtend(pixelVer)-fromInteger(pixelHor);
1653 
                                    leftSelect2 = leftSelect3-1;
1654 
                                    leftSelect1 = leftSelect3-2;
1655 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1656 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1657 
                                    tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1658 
                                 end
1659 
                              else
1660 
                                 begin
1661 
                                    leftSelect1 = 0;
1662 
                                    leftSelect2 = -1;
1663 
                                    topSelect1 = 0;
1664 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1665 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1666 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1667 
                                 end
1668 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1669 
                              predVector[pixelHor] = predVal[9:2];
1670 
                           end
1671 
                     end
1672 
                     5://vertical right
1673 
                     begin
1674 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1675 
                           begin
1676 
                              Bit#(4) tempPixelHor = fromInteger(pixelHor);
1677 
                              Bit#(4) zVR = (tempPixelHor<<1)-zeroExtend(pixelVer);
1678 
                              if(zVR<=6 && zVR>=0)
1679 
                                 begin
1680 
                                    topSelect3 = fromInteger(pixelHor)-zeroExtend(pixelVer>>1);
1681 
                                    topSelect2 = topSelect3-1;
1682 
                                    if(zVR==1 || zVR==3 || zVR==5)
1683 
                                       topSelect1 = topSelect3-2;
1684 
                                    else
1685 
                                       topSelect1 = topSelect3;
1686 
                                    tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1687 
                                    tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1688 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1689 
                                 end
1690 
                              else if(zVR==-1)
1691 
                                 begin
1692 
                                    leftSelect1 = 0;
1693 
                                    leftSelect2 = -1;
1694 
                                    topSelect1 = 0;
1695 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1696 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1697 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1698 
                                 end
1699 
                              else
1700 
                                 begin
1701 
                                    leftSelect1 = zeroExtend(pixelVer)-1;
1702 
                                    leftSelect2 = leftSelect1-1;
1703 
                                    leftSelect3 = leftSelect1-2;
1704 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1705 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1706 
                                    tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1707 
                                 end
1708 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1709 
                              predVector[pixelHor] = predVal[9:2];
1710 
                           end
1711 
                     end
1712 
                     6://horizontal down
1713 
                     begin
1714 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1715 
                           begin
1716 
                              Bit#(4) tempPixelVer = zeroExtend(pixelVer);
1717 
                              Bit#(4) zHD = (tempPixelVer<<1)-fromInteger(pixelHor);
1718 
                              if(zHD<=6 && zHD>=0)
1719 
                                 begin
1720 
                                    leftSelect3 = zeroExtend(pixelVer)-fromInteger(pixelHor/2);
1721 
                                    leftSelect2 = leftSelect3-1;
1722 
                                    if(zHD==1 || zHD==3 || zHD==5)
1723 
                                       leftSelect1 = leftSelect3-2;
1724 
                                    else
1725 
                                       leftSelect1 = leftSelect3;
1726 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1727 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1728 
                                    tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1729 
                                 end
1730 
                              else if(zHD==-1)
1731 
                                 begin
1732 
                                    leftSelect1 = 0;
1733 
                                    leftSelect2 = -1;
1734 
                                    topSelect1 = 0;
1735 
                                    tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1736 
                                    tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1737 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1738 
                                 end
1739 
                              else
1740 
                                 begin
1741 
                                    topSelect1 = fromInteger(pixelHor)-1;
1742 
                                    topSelect2 = topSelect1-1;
1743 
                                    topSelect3 = topSelect1-2;
1744 
                                    tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1745 
                                    tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1746 
                                    tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1747 
                                 end
1748 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1749 
                              predVector[pixelHor] = predVal[9:2];
1750 
                           end
1751 
                     end
1752 
                     7://vertical left
1753 
                     begin
1754 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1755 
                           begin
1756 
                              topSelect1 = fromInteger(pixelHor)+zeroExtend(pixelVer>>1);
1757 
                              topSelect2 = topSelect1+1;
1758 
                              if(pixelVer==1 || pixelVer==3)
1759 
                                 topSelect3 = topSelect1+2;
1760 
                              else
1761 
                                 topSelect3 = topSelect1;
1762 
                              tempVal1 = zeroExtend(intra4x4SelectTop(topValSet,topSelect1));
1763 
                              tempVal2 = zeroExtend(intra4x4SelectTop(topValSet,topSelect2));
1764 
                              tempVal3 = zeroExtend(intra4x4SelectTop(topValSet,topSelect3));
1765 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1766 
                              predVector[pixelHor] = predVal[9:2];
1767 
                           end
1768 
                     end
1769 
                     8://horizontal up
1770 
                     begin
1771 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1772 
                           begin
1773 
                              Bit#(4) tempPixelVer = zeroExtend(pixelVer);
1774 
                              Bit#(4) zHU = (tempPixelVer<<1)+fromInteger(pixelHor);
1775 
                              if(zHU<=4)
1776 
                                 begin
1777 
                                    leftSelect1 = zeroExtend(pixelVer)+fromInteger(pixelHor/2);
1778 
                                    leftSelect2 = leftSelect1+1;
1779 
                                    if(zHU==1 || zHU==3)
1780 
                                       leftSelect3 = leftSelect1+2;
1781 
                                    else
1782 
                                       leftSelect3 = leftSelect1;
1783 
                                 end
1784 
                              else
1785 
                                 begin
1786 
                                    if(zHU==5)
1787 
                                       leftSelect1 = 2;
1788 
                                    else
1789 
                                       leftSelect1 = 3;
1790 
                                    leftSelect2 = 3;
1791 
                                    leftSelect3 = 3;
1792 
                                 end
1793 
                              tempVal1 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect1));
1794 
                              tempVal2 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect2));
1795 
                              tempVal3 = zeroExtend(intra4x4SelectLeft(leftValSet,leftSelect3));
1796 
                              Bit#(10) predVal = tempVal1 + (tempVal2<<1) + tempVal3 + 2;
1797 
                              predVector[pixelHor] = predVal[9:2];
1798 
                           end
1799 
                     end
1800 
                     default: $display( "ERROR Prediction: intraProcessStep intra4x4 unknown cur_intra4x4_pred_mode");
1801 
                  endcase
1802 
               end
1803 
            else
1804 
               $display( "ERROR Prediction: intraProcessStep intra4x4 unknown intraStepCount");
1805 
         end
1806 
      else if(intrastate==Intra16x16  && intraChromaFlag==0)
1807 
         begin
1808 
            //$display( "TRACE Prediction: intraProcessStep intra16x16 %0d %0d %0d %h", intra16x16_pred_mode, currMb, blockNum, select(intraTopVal,blockHor));/////////////////
1809 
            case(intra16x16_pred_mode)
1810 
               0://vertical
1811 
               begin
1812 
                  for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1813 
                     begin
1814 
                        Bit#(32) topValSet = select(intraTopVal,blockHor);
1815 
                        Bit#(8) topVal = select32to8(topValSet,fromInteger(pixelHor));
1816 
                        predVector[pixelHor] = topVal;
1817 
                     end
1818 
                  outFlag = 1;
1819 
               end
1820 
               1://horizontal
1821 
               begin
1822 
                  Bit#(40) leftValSet = select(intraLeftVal,blockVer);
1823 
                  Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,zeroExtend(pixelVer));
1824 
                  for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1825 
                     predVector[pixelHor] = leftVal;
1826 
                  outFlag = 1;
1827 
               end
1828 
               2://dc
1829 
               begin
1830 
                  case(intraStepCount)
1831 
                     2:
1832 
                     begin
1833 
                        if(topAvailable == 1)
1834 
                           begin
1835 
                              Bit#(32) topValSet = select(intraTopVal,0);
1836 
                              intraSumA <= zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1837 
                           end
1838 
                        else
1839 
                           begin
1840 
                              intraSumA <= 0;
1841 
                              nextIntraStepCount = 6;
1842 
                           end
1843 
                     end
1844 
                     3:
1845 
                     begin
1846 
                        Bit#(32) topValSet = select(intraTopVal,1);
1847 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1848 
                     end
1849 
                     4:
1850 
                     begin
1851 
                        Bit#(32) topValSet = select(intraTopVal,2);
1852 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24]);
1853 
                     end
1854 
                     5:
1855 
                     begin
1856 
                        Bit#(32) topValSet = select(intraTopVal,3);
1857 
                        intraSumA <= intraSumA+zeroExtend(topValSet[7:0])+zeroExtend(topValSet[15:8])+zeroExtend(topValSet[23:16])+zeroExtend(topValSet[31:24])+8;
1858 
                     end
1859 
                     6:
1860 
                     begin
1861 
                        if(leftAvailable == 1)
1862 
                           begin
1863 
                              Bit#(40) leftValSet = select(intraLeftVal,0);
1864 
                              intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1865 
                           end
1866 
                        else
1867 
                           nextIntraStepCount = 10;
1868 
                     end
1869 
                     7:
1870 
                     begin
1871 
                        Bit#(40) leftValSet = select(intraLeftVal,1);
1872 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1873 
                     end
1874 
                     8:
1875 
                     begin
1876 
                        Bit#(40) leftValSet = select(intraLeftVal,2);
1877 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32]);
1878 
                     end
1879 
                     9:
1880 
                     begin
1881 
                        Bit#(40) leftValSet = select(intraLeftVal,3);
1882 
                        intraSumA <= intraSumA+zeroExtend(leftValSet[15:8])+zeroExtend(leftValSet[23:16])+zeroExtend(leftValSet[31:24])+zeroExtend(leftValSet[39:32])+8;
1883 
                     end
1884 
                     10:
1885 
                     begin
1886 
                        if(leftAvailable == 1 && topAvailable == 1)
1887 
                           intraSumA <= intraSumA >> 5;
1888 
                        else if(leftAvailable == 1 || topAvailable == 1)
1889 
                           intraSumA <= intraSumA >> 4;
1890 
                        else
1891 
                           intraSumA <= 128;
1892 
                     end
1893 
                     11:
1894 
                     begin
1895 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1896 
                           predVector[pixelHor] = intraSumA[7:0];
1897 
                        outFlag = 1;
1898 
                     end
1899 
                     default: $display( "ERROR Prediction: intraProcessStep intra16x16 DC unknown intraStepCount");
1900 
                  endcase
1901 
               end
1902 
               3://plane
1903 
               begin
1904 
                  if(intraStepCount == 2)
1905 
                     begin
1906 
                        Bit#(32) topValSet = select(intraTopVal,3);
1907 
                        Bit#(8) topVal = select32to8(topValSet,3);
1908 
                        Bit#(40) leftValSet = select(intraLeftVal,3);
1909 
                        Bit#(8) leftVal = intra4x4SelectLeft(leftValSet,3);
1910 
                        Bit#(13) tempVal = zeroExtend(topVal) + zeroExtend(leftVal);
1911 
                        intraSumA <= tempVal << 4;
1912 
                        intraSumB <= 0;
1913 
                        intraSumC <= 0;
1914 
                     end
1915 
                  else if(intraStepCount < 11)
1916 
                     begin
1917 
                        Bit#(4) xyPlusOne = intraStepCount-2;
1918 
                        Bit#(4) xyPlusEight = intraStepCount+5;
1919 
                        Bit#(4) sixMinusXY = 9-intraStepCount;
1920 
                        Bit#(32) topValSet1 = select(intraTopVal,xyPlusEight[3:2]);
1921 
                        Bit#(8) topVal1 = select32to8(topValSet1,xyPlusEight[1:0]);
1922 
                        Bit#(40) leftValSet1 = select(intraLeftVal,xyPlusEight[3:2]);
1923 
                        Bit#(8) leftVal1 = intra4x4SelectLeft(leftValSet1,zeroExtend(xyPlusEight[1:0]));
1924 
                        Bit#(32) topValSet2=0;
1925 
                        Bit#(8) topVal2;
1926 
                        Bit#(40) leftValSet2;
1927 
                        Bit#(8) leftVal2;
1928 
                        if(intraStepCount==10)
1929 
                           begin
1930 
                              leftValSet2 = select(intraLeftVal,0);
1931 
                              leftVal2 = intra4x4SelectLeft(leftValSet2,-1);
1932 
                              topVal2 = leftVal2;
1933 
                           end
1934 
                        else
1935 
                           begin
1936 
                              topValSet2 = select(intraTopVal,sixMinusXY[3:2]);
1937 
                              topVal2 = select32to8(topValSet2,sixMinusXY[1:0]);
1938 
                              leftValSet2 = select(intraLeftVal,sixMinusXY[3:2]);
1939 
                              leftVal2 = intra4x4SelectLeft(leftValSet2,zeroExtend(sixMinusXY[1:0]));
1940 
                           end
1941 
                        Bit#(15) diffH = zeroExtend(topVal1) - zeroExtend(topVal2);
1942 
                        Bit#(15) diffV = zeroExtend(leftVal1) - zeroExtend(leftVal2);
1943 
                        intraSumB <= intraSumB + (zeroExtend(xyPlusOne) * diffH);
1944 
                        intraSumC <= intraSumC + (zeroExtend(xyPlusOne) * diffV);
1945 
                     end
1946 
                  else if(intraStepCount == 11)
1947 
                     begin
1948 
                        Bit#(18) tempSumB = (5*signExtend(intraSumB)) + 32;
1949 
                        Bit#(18) tempSumC = (5*signExtend(intraSumC)) + 32;
1950 
                        intraSumB <= signExtend(tempSumB[17:6]);
1951 
                        intraSumC <= signExtend(tempSumC[17:6]);
1952 
                     end
1953 
                  else if(intraStepCount == 12)
1954 
                     begin
1955 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
1956 
                           begin
1957 
                              Bit#(5)  positionHor = {1'b0,blockHor,fromInteger(pixelHor)};
1958 
                              Bit#(5)  positionVer = {1'b0,blockVer,pixelVer};
1959 
                              Bit#(16) tempProductB = signExtend(intraSumB) * signExtend(positionHor-7);
1960 
                              Bit#(16) tempProductC = signExtend(intraSumC) * signExtend(positionVer-7);
1961 
                              Bit#(16) tempTotal = tempProductB + tempProductC + zeroExtend(intraSumA) + 16;
1962 
                              if(tempTotal[15]==1)
1963 
                                 predVector[pixelHor] = 0;
1964 
                              else if(tempTotal[14:5] > 255)
1965 
                                 predVector[pixelHor] = 255;
1966 
                              else
1967 
                                 predVector[pixelHor] = tempTotal[12:5];
1968 
                           end
1969 
                        outFlag = 1;
1970 
                     end
1971 
                  else
1972 
                     $display( "ERROR Prediction: intraProcessStep intra16x16 plane unknown intraStepCount");
1973 
               end
1974 
            endcase
1975 
         end
1976 
      else if(intraChromaFlag==1)
1977 
         begin
1978 
            //$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]);///////////////////
1979 
            Vector#(9,Bit#(8)) tempLeftVec;
1980 
            Vector#(4,Bit#(16)) tempTopVec;
1981 
            if(blockNum[2] == 0)
1982 
               begin
1983 
                  tempLeftVec = intraLeftValChroma0;
1984 
                  tempTopVec = intraTopValChroma0;
1985 
               end
1986 
            else
1987 
               begin
1988 
                  tempLeftVec = intraLeftValChroma1;
1989 
                  tempTopVec = intraTopValChroma1;
1990 
               end
1991 
            case(intra_chroma_pred_mode.first())
1992 
               0://dc
1993 
               begin
1994 
                  if(intraStepCount == 2)
1995 
                     begin
1996 
                        Bit#(1) useTop=0;
1997 
                        Bit#(1) useLeft=0;
1998 
                        if(blockNum[1:0] == 0 || blockNum[1:0] == 3)
1999 
                           begin
2000 
                              useTop = intraChromaTopAvailable;
2001 
                              useLeft = intraChromaLeftAvailable;
2002 
                           end
2003 
                        else if(blockNum[1:0] == 1)
2004 
                           begin
2005 
                              if(intraChromaTopAvailable == 1)
2006 
                                 useTop = 1;
2007 
                              else if(intraChromaLeftAvailable == 1)
2008 
                                 useLeft = 1;
2009 
                           end
2010 
                              else if(blockNum[1:0] == 2)
2011 
                                 begin
2012 
                                    if(intraChromaLeftAvailable == 1)
2013 
                                       useLeft = 1;
2014 
                                    else if(intraChromaTopAvailable == 1)
2015 
                                       useTop = 1;
2016 
                                 end
2017 
                        else
2018 
                           $display( "ERROR Prediction: intraProcessStep intraChroma dc unknown blockNum");
2019 
                        Bit#(10) topSum;
2020 
                        Bit#(10) leftSum;
2021 
                        Bit#(11) totalSum;
2022 
                        if(blockHor[0] == 0)
2023 
                           topSum = zeroExtend(tempTopVec[0][15:8])+zeroExtend(tempTopVec[0][7:0])+zeroExtend(tempTopVec[1][15:8])+zeroExtend(tempTopVec[1][7:0])+2;
2024 
                        else
2025 
                           topSum = zeroExtend(tempTopVec[2][15:8])+zeroExtend(tempTopVec[2][7:0])+zeroExtend(tempTopVec[3][15:8])+zeroExtend(tempTopVec[3][7:0])+2;
2026 
                        if(blockVer[0] == 0)
2027 
                           leftSum = zeroExtend(tempLeftVec[1])+zeroExtend(tempLeftVec[2])+zeroExtend(tempLeftVec[3])+zeroExtend(tempLeftVec[4])+2;
2028 
                        else
2029 
                           leftSum = zeroExtend(tempLeftVec[5])+zeroExtend(tempLeftVec[6])+zeroExtend(tempLeftVec[7])+zeroExtend(tempLeftVec[8])+2;
2030 
                        totalSum = zeroExtend(topSum) + zeroExtend(leftSum);
2031 
                        if(useTop==1 && useLeft==1)
2032 
                           intraSumA <= zeroExtend(totalSum[10:3]);
2033 
                        else if(useTop==1)
2034 
                           intraSumA <= zeroExtend(topSum[9:2]);
2035 
                        else if(useLeft==1)
2036 
                           intraSumA <= zeroExtend(leftSum[9:2]);
2037 
                        else
2038 
                           intraSumA <= zeroExtend(8'b10000000);
2039 
                     end
2040 
                  else if(intraStepCount == 3)
2041 
                     begin
2042 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
2043 
                           predVector[pixelHor] = intraSumA[7:0];
2044 
                        outFlag = 1;
2045 
                     end
2046 
                  else
2047 
                     $display( "ERROR Prediction: intraProcessStep intraChroma dc unknown intraStepCount");
2048 
               end
2049 
               1://horizontal
2050 
               begin
2051 
                  for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
2052 
                     begin
2053 
                        Bit#(4) tempLeftIdx = {1'b0,blockVer[0],pixelVer} + 1;
2054 
                        predVector[pixelHor] = select(tempLeftVec,tempLeftIdx);
2055 
                     end
2056 
                  outFlag = 1;
2057 
               end
2058 
               2://vertical
2059 
               begin
2060 
                  for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
2061 
                     begin
2062 
                        Bit#(2) pixelHorTemp = fromInteger(pixelHor);
2063 
                        Bit#(16) tempTopVal = select(tempTopVec,{blockHor[0],pixelHorTemp[1]});
2064 
                        if(pixelHorTemp[0] == 0)
2065 
                           predVector[pixelHor] = tempTopVal[7:0];
2066 
                        else
2067 
                           predVector[pixelHor] = tempTopVal[15:8];
2068 
                     end
2069 
                  outFlag = 1;
2070 
               end
2071 
               3://plane
2072 
               begin
2073 
                  if(intraStepCount == 2)
2074 
                     begin
2075 
                        Bit#(16) topValSet = tempTopVec[3];
2076 
                        Bit#(8) topVal = topValSet[15:8];
2077 
                        Bit#(8) leftVal = tempLeftVec[8];
2078 
                        Bit#(13) tempVal = zeroExtend(topVal) + zeroExtend(leftVal);
2079 
                        intraSumA <= tempVal << 4;
2080 
                        intraSumB <= 0;
2081 
                        intraSumC <= 0;
2082 
                     end
2083 
                  else if(intraStepCount < 7)
2084 
                     begin
2085 
                        Bit#(3) xyPlusOne = truncate(intraStepCount)-2;
2086 
                        Bit#(3) xyPlusFour = truncate(intraStepCount)+1;
2087 
                        Bit#(4) twoMinusXY = 5-intraStepCount;
2088 
                        Bit#(16) topValSet1 = select(tempTopVec,xyPlusFour[2:1]);
2089 
                        Bit#(8) topVal1 = select16to8(topValSet1,xyPlusFour[0]);
2090 
                        Bit#(4) tempLeftIdx1 = {1'b0,xyPlusFour} + 1;
2091 
                        Bit#(8) leftVal1 = select(tempLeftVec,tempLeftIdx1);
2092 
 
2093 
                        Bit#(16) topValSet2 = select(tempTopVec,twoMinusXY[2:1]);
2094 
                        Bit#(8) topVal2;
2095 
                        Bit#(8) leftVal2 = select(tempLeftVec,twoMinusXY+1);
2096 
                        if(intraStepCount==6)
2097 
                           topVal2 = leftVal2;
2098 
                        else
2099 
                           topVal2 = select16to8(topValSet2,twoMinusXY[0]);
2100 
                        Bit#(15) diffH = zeroExtend(topVal1) - zeroExtend(topVal2);
2101 
                        Bit#(15) diffV = zeroExtend(leftVal1) - zeroExtend(leftVal2);
2102 
                        intraSumB <= intraSumB + (zeroExtend(xyPlusOne) * diffH);
2103 
                        intraSumC <= intraSumC + (zeroExtend(xyPlusOne) * diffV);
2104 
                        Int#(15) tempDisplayH = unpack(zeroExtend(xyPlusOne) * diffH);
2105 
                        Int#(15) tempDisplayV = unpack(zeroExtend(xyPlusOne) * diffV);
2106 
                        //$display( "TRACE Prediction: intraProcessStep intraChroma plane partH partV %0d %0d",tempDisplayH,tempDisplayV);////////////////////
2107 
                     end
2108 
                  else if(intraStepCount == 7)
2109 
                     begin
2110 
                        Int#(15) tempDisplayH = unpack(intraSumB);
2111 
                        Int#(15) tempDisplayV = unpack(intraSumC);
2112 
                        //$display( "TRACE Prediction: intraProcessStep intraChroma plane H V %0d %0d",tempDisplayH,tempDisplayV);////////////////////
2113 
                        Bit#(19) tempSumB = (34*signExtend(intraSumB)) + 32;
2114 
                        Bit#(19) tempSumC = (34*signExtend(intraSumC)) + 32;
2115 
                        intraSumB <= signExtend(tempSumB[18:6]);
2116 
                        intraSumC <= signExtend(tempSumC[18:6]);
2117 
                     end
2118 
                  else if(intraStepCount == 8)
2119 
                     begin
2120 
                        for(Integer pixelHor=0; pixelHor<4; pixelHor=pixelHor+1)
2121 
                           begin
2122 
                              Bit#(4)  positionHor = {1'b0,blockHor[0],fromInteger(pixelHor)};
2123 
                              Bit#(4)  positionVer = {1'b0,blockVer[0],pixelVer};
2124 
                              Bit#(17) tempProductB = signExtend(intraSumB) * signExtend(positionHor-3);
2125 
                              Bit#(17) tempProductC = signExtend(intraSumC) * signExtend(positionVer-3);
2126 
                              Bit#(17) tempTotal = tempProductB + tempProductC + zeroExtend(intraSumA) + 16;
2127 
                              if(tempTotal[16]==1)
2128 
                                 predVector[pixelHor] = 0;
2129 
                              else if(tempTotal[15:5] > 255)
2130 
                                 predVector[pixelHor] = 255;
2131 
                              else
2132 
                                 predVector[pixelHor] = tempTotal[12:5];
2133 
                           end
2134 
                        outFlag = 1;
2135 
                     end
2136 
                  else
2137 
                     $display( "ERROR Prediction: intraProcessStep intraChroma plane unknown intraStepCount");
2138 
               end
2139 
            endcase
2140 
         end
2141 
      else
2142 
         $display( "ERROR Prediction: intraProcessStep unknown intrastate");
2143 
 
2144 
      if(outFlag==1)
2145 
         begin
2146 
            predictedfifo.enq(predVector);
2147 
            pixelNum <= pixelNum+4;
2148 
            if(pixelNum == 12)
2149 
               begin
2150 
                  if(intraChromaFlag==0)
2151 
                     begin
2152 
                        blockNum <= blockNum+1;
2153 
                        if(blockNum == 15)
2154 
                           begin
2155 
                              intraChromaFlag <= 1;
2156 
                              intraStepCount <= 2;
2157 
                           end
2158 
                        else if(intrastate==Intra4x4)
2159 
                           intraStepCount <= 1;
2160 
                     end
2161 
                  else
2162 
                     begin
2163 
                        if(blockNum == 7)
2164 
                           begin
2165 
                              blockNum <= 0;
2166 
                              intraChromaFlag <= 0;
2167 
                              intraStepCount <= 0;
2168 
                              intra_chroma_pred_mode.deq();
2169 
                           end
2170 
                        else
2171 
                           begin
2172 
                              blockNum <= blockNum+1;
2173 
                              if(intra_chroma_pred_mode.first()==0)
2174 
                                 intraStepCount <= 2;
2175 
                              else if(blockNum==3)
2176 
                                 intraStepCount <= 2;
2177 
                           end
2178 
                     end
2179 
               end
2180 
         end
2181 
      else
2182 
         intraStepCount <= nextIntraStepCount;
2183 
      //$display( "Trace Prediction: intraProcessStep");
2184 
   endrule
2185 
 
2186 
 
2187 
 
2188 
   interface Client mem_client_intra;
2189 
      interface Get request  = fifoToGet(intraMemReqQ);
2190 
      interface Put response = fifoToPut(intraMemRespQ);
2191 
   endinterface
2192 
   interface Client mem_client_inter;
2193 
      interface Get request  = fifoToGet(interMemReqQ);
2194 
      interface Put response = fifoToPut(interMemRespQ);
2195 
   endinterface
2196 
   interface Client mem_client_buffer = interpolator.mem_client;
2197 
 
2198 
   interface Put ioin  = fifoToPut(infifo);
2199 
   interface Put ioin_InverseTrans  = fifoToPut(infifo_ITB);
2200 
   interface Get ioout = fifoToGet(outfifo);
2201 
 
2202 
 
2203 
endmodule
2204 
 
2205 
endpackage

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