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

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

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