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[/] [bluespec-h264/] [trunk/] [src/] [mkPrediction_intra8.bsv] - Blame information for rev 100

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

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