| 1 |
2 |
jamey.hick |
//**********************************************************************
|
| 2 |
|
|
// Buffer Controller
|
| 3 |
|
|
//----------------------------------------------------------------------
|
| 4 |
|
|
//
|
| 5 |
|
|
//
|
| 6 |
|
|
|
| 7 |
|
|
package mkBufferControl;
|
| 8 |
|
|
|
| 9 |
|
|
import H264Types::*;
|
| 10 |
|
|
|
| 11 |
|
|
import IBufferControl::*;
|
| 12 |
|
|
import FIFO::*;
|
| 13 |
|
|
import Vector::*;
|
| 14 |
|
|
|
| 15 |
|
|
import Connectable::*;
|
| 16 |
|
|
import GetPut::*;
|
| 17 |
|
|
import ClientServer::*;
|
| 18 |
|
|
|
| 19 |
|
|
|
| 20 |
|
|
|
| 21 |
|
|
//-----------------------------------------------------------
|
| 22 |
|
|
// Local Datatypes
|
| 23 |
|
|
//-----------------------------------------------------------
|
| 24 |
|
|
|
| 25 |
|
|
typedef union tagged
|
| 26 |
|
|
{
|
| 27 |
|
|
void Idle; //not working on anything in particular
|
| 28 |
|
|
void Y;
|
| 29 |
|
|
void U;
|
| 30 |
|
|
void V;
|
| 31 |
|
|
}
|
| 32 |
|
|
Outprocess deriving(Eq,Bits);
|
| 33 |
|
|
|
| 34 |
|
|
|
| 35 |
|
|
//-----------------------------------------------------------
|
| 36 |
|
|
// Short term pic list submodule
|
| 37 |
|
|
//-----------------------------------------------------------
|
| 38 |
|
|
|
| 39 |
|
|
typedef union tagged
|
| 40 |
|
|
{
|
| 41 |
|
|
void Idle; //not working on anything in particular
|
| 42 |
|
|
void Remove;
|
| 43 |
|
|
void RemoveOutput;
|
| 44 |
|
|
void RemoveFound;
|
| 45 |
|
|
void InsertGap;
|
| 46 |
|
|
void Search;
|
| 47 |
|
|
void ListAll;
|
| 48 |
|
|
}
|
| 49 |
|
|
ShortTermPicListState deriving(Eq,Bits);
|
| 50 |
|
|
|
| 51 |
|
|
interface ShortTermPicList;
|
| 52 |
|
|
method Action clear();
|
| 53 |
|
|
method Action insert( Bit#(16) frameNum, Bit#(5) slot, Bit#(5) maxAllowed );
|
| 54 |
|
|
method Action insert_gap( Bit#(16) frameNum, Bit#(5) slot, Bit#(5) maxAllowed, Bit#(16) gap, Bit#(5) log2_max_frame_num );
|
| 55 |
|
|
method Action remove( Bit#(16) frameNum, Bool removeOutputFlag );
|
| 56 |
|
|
method Action search( Bit#(16) frameNum );
|
| 57 |
|
|
method Action listAll();
|
| 58 |
|
|
method Action deq();
|
| 59 |
|
|
method Maybe#(Bit#(5)) resultSlot();
|
| 60 |
|
|
method Bit#(5) numPics();
|
| 61 |
|
|
endinterface
|
| 62 |
|
|
|
| 63 |
|
|
module mkShortTermPicList( ShortTermPicList );
|
| 64 |
|
|
function Bit#(5) shortTermPicListNext( Bit#(5) addrFunc );
|
| 65 |
|
|
if(addrFunc
|
| 66 |
|
|
return addrFunc+1;
|
| 67 |
|
|
else
|
| 68 |
|
|
return 0;
|
| 69 |
|
|
endfunction
|
| 70 |
|
|
function Bit#(5) shortTermPicListPrev( Bit#(5) addrFunc );
|
| 71 |
|
|
if(addrFunc==0)
|
| 72 |
|
|
return maxRefFrames-1;
|
| 73 |
|
|
else
|
| 74 |
|
|
return addrFunc-1;
|
| 75 |
|
|
endfunction
|
| 76 |
|
|
|
| 77 |
|
|
RFile1#(Bit#(5),Tuple2#(Bit#(16),Bit#(5))) rfile <- mkRFile1(0,maxRefFrames-1);
|
| 78 |
|
|
Reg#(ShortTermPicListState) state <- mkReg(Idle);
|
| 79 |
|
|
Reg#(Bit#(5)) log2_mfn <- mkReg(0);
|
| 80 |
|
|
Reg#(Bit#(5)) nextPic <- mkReg(0);
|
| 81 |
|
|
Reg#(Bit#(5)) picCount <- mkReg(0);
|
| 82 |
|
|
Reg#(Bit#(5)) tempPic <- mkReg(0);
|
| 83 |
|
|
Reg#(Bit#(5)) tempCount <- mkReg(0);
|
| 84 |
|
|
Reg#(Bit#(16)) tempNum <- mkReg(0);
|
| 85 |
|
|
FIFO#(Maybe#(Bit#(5))) returnList <- mkFIFO();
|
| 86 |
|
|
|
| 87 |
|
|
rule removing ( state==Remove || state==RemoveOutput || state==RemoveFound );
|
| 88 |
|
|
if(state!=RemoveFound)
|
| 89 |
|
|
begin
|
| 90 |
|
|
Tuple2#(Bit#(16),Bit#(5)) temp = rfile.sub(tempPic);
|
| 91 |
|
|
if(tpl_1(temp)==tempNum)
|
| 92 |
|
|
begin
|
| 93 |
|
|
state <= RemoveFound;
|
| 94 |
|
|
if(state==RemoveOutput)
|
| 95 |
|
|
returnList.enq(Valid tpl_2(temp));
|
| 96 |
|
|
end
|
| 97 |
|
|
if(tempCount>=picCount)
|
| 98 |
|
|
$display( "ERROR BufferControl: ShortTermPicList removing not found");
|
| 99 |
|
|
end
|
| 100 |
|
|
else
|
| 101 |
|
|
begin
|
| 102 |
|
|
Bit#(5) tempPrev = shortTermPicListPrev(tempPic);
|
| 103 |
|
|
rfile.upd(tempPrev,rfile.sub(tempPic));
|
| 104 |
|
|
if(tempCount==picCount)
|
| 105 |
|
|
begin
|
| 106 |
|
|
picCount <= picCount-1;
|
| 107 |
|
|
nextPic <= tempPrev;
|
| 108 |
|
|
state <= Idle;
|
| 109 |
|
|
end
|
| 110 |
|
|
end
|
| 111 |
|
|
tempCount <= tempCount+1;
|
| 112 |
|
|
tempPic <= shortTermPicListNext(tempPic);
|
| 113 |
|
|
endrule
|
| 114 |
|
|
|
| 115 |
|
|
rule insertingGap ( state matches tagged InsertGap );
|
| 116 |
|
|
if(tempCount>0)
|
| 117 |
|
|
begin
|
| 118 |
|
|
if(tempCount>1)
|
| 119 |
|
|
rfile.upd(nextPic,tuple2(tempNum,31));
|
| 120 |
|
|
else
|
| 121 |
|
|
rfile.upd(nextPic,tuple2(tempNum,tempPic));
|
| 122 |
|
|
nextPic <= shortTermPicListNext(nextPic);
|
| 123 |
|
|
end
|
| 124 |
|
|
else
|
| 125 |
|
|
state <= Idle;
|
| 126 |
|
|
Bit#(17) tempOne = 1;
|
| 127 |
|
|
Bit#(17) maxPicNum = tempOne << log2_mfn;
|
| 128 |
|
|
if(zeroExtend(tempNum) == maxPicNum-1)
|
| 129 |
|
|
tempNum <= 0;
|
| 130 |
|
|
else
|
| 131 |
|
|
tempNum <= tempNum+1;
|
| 132 |
|
|
tempCount <= tempCount-1;
|
| 133 |
|
|
endrule
|
| 134 |
|
|
|
| 135 |
|
|
rule searching ( state matches tagged Search );
|
| 136 |
|
|
if(tempCount
|
| 137 |
|
|
begin
|
| 138 |
|
|
Tuple2#(Bit#(16),Bit#(5)) temp = rfile.sub(tempPic);
|
| 139 |
|
|
if(tpl_1(temp)==tempNum)
|
| 140 |
|
|
begin
|
| 141 |
|
|
returnList.enq(Valid tpl_2(temp));
|
| 142 |
|
|
state <= Idle;
|
| 143 |
|
|
end
|
| 144 |
|
|
tempPic <= shortTermPicListPrev(tempPic);
|
| 145 |
|
|
tempCount <= tempCount+1;
|
| 146 |
|
|
end
|
| 147 |
|
|
else
|
| 148 |
|
|
$display( "ERROR BufferControl: ShortTermPicList searching not found");
|
| 149 |
|
|
endrule
|
| 150 |
|
|
|
| 151 |
|
|
rule listingAll ( state matches tagged ListAll );
|
| 152 |
|
|
if(tempCount
|
| 153 |
|
|
begin
|
| 154 |
|
|
Tuple2#(Bit#(16),Bit#(5)) temp = rfile.sub(tempPic);
|
| 155 |
|
|
returnList.enq(Valid tpl_2(temp));
|
| 156 |
|
|
tempPic <= shortTermPicListPrev(tempPic);
|
| 157 |
|
|
tempCount <= tempCount+1;
|
| 158 |
|
|
end
|
| 159 |
|
|
else
|
| 160 |
|
|
begin
|
| 161 |
|
|
returnList.enq(Invalid);
|
| 162 |
|
|
state <= Idle;
|
| 163 |
|
|
end
|
| 164 |
|
|
endrule
|
| 165 |
|
|
|
| 166 |
|
|
method Action clear() if(state matches tagged Idle);
|
| 167 |
|
|
picCount <= 0;
|
| 168 |
|
|
nextPic <= 0;
|
| 169 |
|
|
endmethod
|
| 170 |
|
|
|
| 171 |
|
|
method Action insert( Bit#(16) frameNum, Bit#(5) slot, Bit#(5) maxAllowed ) if(state matches tagged Idle);
|
| 172 |
|
|
rfile.upd(nextPic,tuple2(frameNum,slot));
|
| 173 |
|
|
nextPic <= shortTermPicListNext(nextPic);
|
| 174 |
|
|
if(maxAllowed>picCount)
|
| 175 |
|
|
picCount <= picCount+1;
|
| 176 |
|
|
endmethod
|
| 177 |
|
|
|
| 178 |
|
|
method Action insert_gap( Bit#(16) frameNum, Bit#(5) slot, Bit#(5) maxAllowed, Bit#(16) gap, Bit#(5) log2_max_frame_num ) if(state matches tagged Idle);
|
| 179 |
|
|
state <= InsertGap;
|
| 180 |
|
|
log2_mfn <= log2_max_frame_num;
|
| 181 |
|
|
if(zeroExtend(picCount)+gap+1 >= zeroExtend(maxAllowed))
|
| 182 |
|
|
picCount <= maxAllowed;
|
| 183 |
|
|
else
|
| 184 |
|
|
picCount <= truncate(zeroExtend(picCount)+gap+1);
|
| 185 |
|
|
Bit#(5) temp;
|
| 186 |
|
|
if(gap+1 >= zeroExtend(maxAllowed))
|
| 187 |
|
|
temp = maxAllowed;
|
| 188 |
|
|
else
|
| 189 |
|
|
temp = truncate(gap+1);
|
| 190 |
|
|
tempCount <= temp;
|
| 191 |
|
|
Bit#(17) tempOne = 1;
|
| 192 |
|
|
Bit#(17) maxPicNum = tempOne << log2_max_frame_num;
|
| 193 |
|
|
Bit#(17) tempFrameNum = zeroExtend(frameNum);
|
| 194 |
|
|
if(tempFrameNum+1 > zeroExtend(temp))
|
| 195 |
|
|
tempNum <= truncate(tempFrameNum+1-zeroExtend(temp));
|
| 196 |
|
|
else
|
| 197 |
|
|
tempNum <= truncate(maxPicNum+tempFrameNum+1-zeroExtend(temp));
|
| 198 |
|
|
tempPic <= slot;
|
| 199 |
|
|
endmethod
|
| 200 |
|
|
|
| 201 |
|
|
method Action remove( Bit#(16) frameNum, Bool removeOutputFlag ) if(state matches tagged Idle);
|
| 202 |
|
|
if(removeOutputFlag)
|
| 203 |
|
|
state <= RemoveOutput;
|
| 204 |
|
|
else
|
| 205 |
|
|
state <= Remove;
|
| 206 |
|
|
tempCount <= 0;
|
| 207 |
|
|
Bit#(5) temp = (maxRefFrames-picCount)+nextPic;
|
| 208 |
|
|
if(temp>maxRefFrames-1)
|
| 209 |
|
|
tempPic <= temp-maxRefFrames;
|
| 210 |
|
|
else
|
| 211 |
|
|
tempPic <= temp;
|
| 212 |
|
|
tempNum <= frameNum;
|
| 213 |
|
|
endmethod
|
| 214 |
|
|
|
| 215 |
|
|
method Action search( Bit#(16) frameNum ) if(state matches tagged Idle);
|
| 216 |
|
|
state <= Search;
|
| 217 |
|
|
tempCount <= 0;
|
| 218 |
|
|
tempPic <= shortTermPicListPrev(nextPic);
|
| 219 |
|
|
tempNum <= frameNum;
|
| 220 |
|
|
endmethod
|
| 221 |
|
|
|
| 222 |
|
|
method Action listAll() if(state matches tagged Idle);
|
| 223 |
|
|
state <= ListAll;
|
| 224 |
|
|
tempCount <= 0;
|
| 225 |
|
|
tempPic <= shortTermPicListPrev(nextPic);
|
| 226 |
|
|
endmethod
|
| 227 |
|
|
|
| 228 |
|
|
method Action deq();
|
| 229 |
|
|
returnList.deq();
|
| 230 |
|
|
endmethod
|
| 231 |
|
|
|
| 232 |
|
|
method Maybe#(Bit#(5)) resultSlot();
|
| 233 |
|
|
return returnList.first();
|
| 234 |
|
|
endmethod
|
| 235 |
|
|
|
| 236 |
|
|
method Bit#(5) numPics() if(state matches tagged Idle);
|
| 237 |
|
|
return picCount;
|
| 238 |
|
|
endmethod
|
| 239 |
|
|
endmodule
|
| 240 |
|
|
|
| 241 |
|
|
//-----------------------------------------------------------
|
| 242 |
|
|
// Long term pic list submodule
|
| 243 |
|
|
//-----------------------------------------------------------
|
| 244 |
|
|
|
| 245 |
|
|
typedef union tagged
|
| 246 |
|
|
{
|
| 247 |
|
|
void Idle; //not working on anything in particular
|
| 248 |
|
|
void Clear;
|
| 249 |
|
|
void ListAll;
|
| 250 |
|
|
}
|
| 251 |
|
|
LongTermPicListState deriving(Eq,Bits);
|
| 252 |
|
|
|
| 253 |
|
|
interface LongTermPicList;
|
| 254 |
|
|
method Action clear();
|
| 255 |
|
|
method Action insert( Bit#(5) frameNum, Bit#(5) slot );
|
| 256 |
|
|
method Action remove( Bit#(5) frameNum );
|
| 257 |
|
|
method Action maxIndexPlus1( Bit#(5) maxAllowed );
|
| 258 |
|
|
method Action search( Bit#(5) frameNum );
|
| 259 |
|
|
method Action listAll();
|
| 260 |
|
|
method Action deq();
|
| 261 |
|
|
method Maybe#(Bit#(5)) resultSlot();
|
| 262 |
|
|
method Bit#(5) numPics();
|
| 263 |
|
|
endinterface
|
| 264 |
|
|
|
| 265 |
|
|
module mkLongTermPicList( LongTermPicList );
|
| 266 |
|
|
// RegFile#(Bit#(5),Maybe#(Bit#(5))) rfile <- mkRegFile(0,maxRefFrames-1);
|
| 267 |
|
|
RFile1#(Bit#(5),Maybe#(Bit#(5))) rfile <- mkRFile1Full();
|
| 268 |
|
|
Reg#(LongTermPicListState) state <- mkReg(Idle);
|
| 269 |
|
|
Reg#(Bit#(5)) picCount <- mkReg(0);
|
| 270 |
|
|
Reg#(Bit#(5)) tempPic <- mkReg(0);
|
| 271 |
|
|
FIFO#(Maybe#(Bit#(5))) returnList <- mkFIFO();
|
| 272 |
|
|
|
| 273 |
|
|
rule clearing ( state matches tagged Clear );
|
| 274 |
|
|
if(tempPic
|
| 275 |
|
|
begin
|
| 276 |
|
|
if(rfile.sub(tempPic) matches tagged Valid .data &&& picCount!=0)
|
| 277 |
|
|
picCount <= picCount-1;
|
| 278 |
|
|
rfile.upd(tempPic,Invalid);
|
| 279 |
|
|
tempPic <= tempPic+1;
|
| 280 |
|
|
end
|
| 281 |
|
|
else
|
| 282 |
|
|
state <= Idle;
|
| 283 |
|
|
//$display( "TRACE BufferControl: LongTermPicList clearing %h %h", picCount, tempPic);
|
| 284 |
|
|
endrule
|
| 285 |
|
|
|
| 286 |
|
|
rule listingAll ( state matches tagged ListAll );
|
| 287 |
|
|
if(tempPic
|
| 288 |
|
|
begin
|
| 289 |
|
|
Maybe#(Bit#(5)) temp = rfile.sub(tempPic);
|
| 290 |
|
|
if(temp matches tagged Valid .data)
|
| 291 |
|
|
returnList.enq(Valid data);
|
| 292 |
|
|
tempPic <= tempPic+1;
|
| 293 |
|
|
end
|
| 294 |
|
|
else
|
| 295 |
|
|
begin
|
| 296 |
|
|
returnList.enq(Invalid);
|
| 297 |
|
|
state <= Idle;
|
| 298 |
|
|
end
|
| 299 |
|
|
//$display( "TRACE BufferControl: LongTermPicList listingAll %h %h", picCount, tempPic);
|
| 300 |
|
|
endrule
|
| 301 |
|
|
|
| 302 |
|
|
method Action clear() if(state matches tagged Idle);
|
| 303 |
|
|
state <= Clear;
|
| 304 |
|
|
tempPic <= 0;
|
| 305 |
|
|
//$display( "TRACE BufferControl: LongTermPicList clear %h", picCount);
|
| 306 |
|
|
endmethod
|
| 307 |
|
|
|
| 308 |
|
|
method Action insert( Bit#(5) frameNum, Bit#(5) slot ) if(state matches tagged Idle);
|
| 309 |
|
|
if(rfile.sub(frameNum) matches tagged Invalid)
|
| 310 |
|
|
picCount <= picCount+1;
|
| 311 |
|
|
rfile.upd(frameNum,Valid slot);
|
| 312 |
|
|
//$display( "TRACE BufferControl: LongTermPicList insert %h %h %h", picCount, frameNum, slot);
|
| 313 |
|
|
endmethod
|
| 314 |
|
|
|
| 315 |
|
|
method Action remove( Bit#(5) frameNum ) if(state matches tagged Idle);
|
| 316 |
|
|
if(rfile.sub(frameNum) matches tagged Invalid)
|
| 317 |
|
|
$display( "ERROR BufferControl: LongTermPicList removing not found");
|
| 318 |
|
|
else
|
| 319 |
|
|
picCount <= picCount-1;
|
| 320 |
|
|
rfile.upd(frameNum,Invalid);
|
| 321 |
|
|
//$display( "TRACE BufferControl: LongTermPicList remove %h %h", picCount, frameNum);
|
| 322 |
|
|
endmethod
|
| 323 |
|
|
|
| 324 |
|
|
method Action maxIndexPlus1( Bit#(5) index ) if(state matches tagged Idle);
|
| 325 |
|
|
state <= Clear;
|
| 326 |
|
|
tempPic <= index;
|
| 327 |
|
|
//$display( "TRACE BufferControl: LongTermPicList maxIndexPlus1 %h %h", picCount, index);
|
| 328 |
|
|
endmethod
|
| 329 |
|
|
|
| 330 |
|
|
method Action search( Bit#(5) frameNum ) if(state matches tagged Idle);
|
| 331 |
|
|
returnList.enq(rfile.sub(frameNum));
|
| 332 |
|
|
//$display( "TRACE BufferControl: LongTermPicList search %h %h", picCount, frameNum);
|
| 333 |
|
|
endmethod
|
| 334 |
|
|
|
| 335 |
|
|
method Action listAll() if(state matches tagged Idle);
|
| 336 |
|
|
state <= ListAll;
|
| 337 |
|
|
tempPic <= 0;
|
| 338 |
|
|
//$display( "TRACE BufferControl: LongTermPicList listAll %h", picCount);
|
| 339 |
|
|
endmethod
|
| 340 |
|
|
|
| 341 |
|
|
method Action deq();
|
| 342 |
|
|
returnList.deq();
|
| 343 |
|
|
//$display( "TRACE BufferControl: LongTermPicList deq %h", picCount);
|
| 344 |
|
|
endmethod
|
| 345 |
|
|
|
| 346 |
|
|
method Maybe#(Bit#(5)) resultSlot();
|
| 347 |
|
|
return returnList.first();
|
| 348 |
|
|
endmethod
|
| 349 |
|
|
|
| 350 |
|
|
method Bit#(5) numPics() if(state matches tagged Idle);
|
| 351 |
|
|
return picCount;
|
| 352 |
|
|
endmethod
|
| 353 |
|
|
endmodule
|
| 354 |
|
|
|
| 355 |
|
|
|
| 356 |
|
|
//-----------------------------------------------------------
|
| 357 |
|
|
// Free slot module
|
| 358 |
|
|
//-----------------------------------------------------------
|
| 359 |
|
|
|
| 360 |
|
|
interface FreeSlots;
|
| 361 |
|
|
method Action init();
|
| 362 |
|
|
method Action add( Bit#(5) slot );
|
| 363 |
|
|
method Action remove( Bit#(5) slot );
|
| 364 |
|
|
method Bit#(5) first( Bit#(5) exception );
|
| 365 |
|
|
endinterface
|
| 366 |
|
|
|
| 367 |
|
|
module mkFreeSlots( FreeSlots );
|
| 368 |
|
|
Reg#(Vector#(18,Bit#(1))) slots <- mkRegU();
|
| 369 |
|
|
|
| 370 |
|
|
method Action init();
|
| 371 |
|
|
Vector#(18,Bit#(1)) tempSlots = replicate(0);
|
| 372 |
|
|
slots <= tempSlots;
|
| 373 |
|
|
endmethod
|
| 374 |
|
|
|
| 375 |
|
|
method Action add( Bit#(5) slot );
|
| 376 |
|
|
Vector#(18,Bit#(1)) tempSlots = slots;
|
| 377 |
|
|
tempSlots[slot] = 0;
|
| 378 |
|
|
slots <= tempSlots;
|
| 379 |
|
|
if(slot >= maxRefFrames+2)
|
| 380 |
|
|
$display( "ERROR BufferControl: FreeSlots add out of bounds");
|
| 381 |
|
|
endmethod
|
| 382 |
|
|
|
| 383 |
|
|
method Action remove( Bit#(5) slot );
|
| 384 |
|
|
Vector#(18,Bit#(1)) tempSlots = slots;
|
| 385 |
|
|
if(slot != 31)
|
| 386 |
|
|
begin
|
| 387 |
|
|
tempSlots[slot] = 1;
|
| 388 |
|
|
slots <= tempSlots;
|
| 389 |
|
|
if(slot >= maxRefFrames+2)
|
| 390 |
|
|
$display( "ERROR BufferControl: FreeSlots remove out of bounds");
|
| 391 |
|
|
end
|
| 392 |
|
|
endmethod
|
| 393 |
|
|
|
| 394 |
|
|
method Bit#(5) first( Bit#(5) exception );
|
| 395 |
|
|
Bit#(5) tempout = 31;
|
| 396 |
|
|
for(Integer ii=17; ii>=0; ii=ii-1)
|
| 397 |
|
|
begin
|
| 398 |
|
|
if(slots[fromInteger(ii)]==1'b0 && fromInteger(ii)!=exception)
|
| 399 |
|
|
tempout = fromInteger(ii);
|
| 400 |
|
|
end
|
| 401 |
|
|
return tempout;
|
| 402 |
|
|
endmethod
|
| 403 |
|
|
|
| 404 |
|
|
endmodule
|
| 405 |
|
|
|
| 406 |
|
|
|
| 407 |
|
|
//-----------------------------------------------------------
|
| 408 |
|
|
// Helper functions
|
| 409 |
|
|
|
| 410 |
|
|
|
| 411 |
|
|
|
| 412 |
|
|
//-----------------------------------------------------------
|
| 413 |
|
|
// Buffer Controller Module
|
| 414 |
|
|
//-----------------------------------------------------------
|
| 415 |
|
|
|
| 416 |
|
|
|
| 417 |
|
|
(* synthesize *)
|
| 418 |
|
|
module mkBufferControl( IBufferControl );
|
| 419 |
|
|
|
| 420 |
|
|
FIFO#(DeblockFilterOT) infifo <- mkSizedFIFO(bufferControl_infifo_size);
|
| 421 |
|
|
FIFO#(BufferControlOT) outfifo <- mkFIFO();
|
| 422 |
|
|
|
| 423 |
|
|
FIFO#(FrameBufferLoadReq) loadReqQ1 <- mkFIFO();
|
| 424 |
|
|
FIFO#(FrameBufferLoadResp) loadRespQ1 <- mkFIFO();
|
| 425 |
|
|
FIFO#(FrameBufferLoadReq) loadReqQ2 <- mkFIFO();
|
| 426 |
|
|
FIFO#(FrameBufferLoadResp) loadRespQ2 <- mkFIFO();
|
| 427 |
|
|
FIFO#(FrameBufferStoreReq) storeReqQ <- mkFIFO();
|
| 428 |
|
|
|
| 429 |
|
|
FIFO#(InterpolatorLoadReq) inLoadReqQ <- mkFIFO();
|
| 430 |
|
|
FIFO#(InterpolatorLoadResp) inLoadRespQ <- mkFIFO();
|
| 431 |
|
|
FIFO#(Bit#(2)) inLoadOutOfBounds <- mkSizedFIFO(64);
|
| 432 |
|
|
|
| 433 |
|
|
Reg#(Bit#(5)) log2_max_frame_num <- mkReg(0);
|
| 434 |
|
|
Reg#(Bit#(5)) num_ref_frames <- mkReg(0);
|
| 435 |
|
|
Reg#(Bit#(1)) gaps_in_frame_num_allowed_flag <- mkReg(0);
|
| 436 |
|
|
Reg#(Bit#(PicWidthSz)) picWidth <- mkReg(maxPicWidthInMB);
|
| 437 |
|
|
Reg#(Bit#(PicHeightSz)) picHeight <- mkReg(0);
|
| 438 |
|
|
Reg#(Bit#(PicAreaSz)) frameinmb <- mkReg(0);
|
| 439 |
|
|
|
| 440 |
|
|
Reg#(Bit#(5)) ppsnum_ref_idx_l0_active <- mkReg(0);
|
| 441 |
|
|
Reg#(Bit#(16)) frame_num <- mkReg(0);
|
| 442 |
|
|
Reg#(Bit#(16)) prevRefFrameNum <- mkReg(0);
|
| 443 |
|
|
Reg#(Bit#(5)) num_ref_idx_l0_active <- mkReg(0);
|
| 444 |
|
|
Reg#(Bit#(2)) reordering_of_pic_nums_idc <- mkReg(0);
|
| 445 |
|
|
Reg#(Bit#(16)) picNumLXPred <- mkReg(0);
|
| 446 |
|
|
Reg#(Bit#(3)) memory_management_control_operation <- mkReg(0);
|
| 447 |
|
|
|
| 448 |
|
|
Reg#(Bool) newInputFrame <- mkReg(True);
|
| 449 |
|
|
Reg#(Bool) noMoreInput <- mkReg(False);
|
| 450 |
|
|
Reg#(Bool) inputframedone <- mkReg(False);
|
| 451 |
|
|
Reg#(Outprocess) outprocess <- mkReg(Idle);
|
| 452 |
|
|
Reg#(Bool) outputframedone <- mkReg(True);
|
| 453 |
|
|
|
| 454 |
|
|
Reg#(Bit#(5)) inSlot <- mkReg(0);
|
| 455 |
|
|
Reg#(Bit#(FrameBufferSz)) inAddrBase <- mkReg(0);
|
| 456 |
|
|
Reg#(Bit#(5)) outSlot <- mkReg(31);
|
| 457 |
|
|
Reg#(Bit#(FrameBufferSz)) outAddrBase <- mkReg(0);
|
| 458 |
|
|
Reg#(Bit#(TAdd#(PicAreaSz,7))) outReqCount <- mkReg(0);
|
| 459 |
|
|
Reg#(Bit#(TAdd#(PicAreaSz,7))) outRespCount <- mkReg(0);
|
| 460 |
|
|
|
| 461 |
|
|
FreeSlots freeSlots <- mkFreeSlots();//may include outSlot (have to make sure it's not used)
|
| 462 |
|
|
ShortTermPicList shortTermPicList <- mkShortTermPicList();
|
| 463 |
|
|
LongTermPicList longTermPicList <- mkLongTermPicList();
|
| 464 |
|
|
RFile1#(Bit#(5),Bit#(5)) refPicList <- mkRFile1(0,maxRefFrames-1);
|
| 465 |
|
|
Reg#(Bit#(5)) refPicListCount <- mkReg(0);
|
| 466 |
|
|
Reg#(Bool) initRefPicList <- mkReg(False);
|
| 467 |
|
|
Reg#(Bool) reorderRefPicList <- mkReg(False);
|
| 468 |
|
|
Reg#(Bit#(5)) refIdx <- mkReg(0);
|
| 469 |
|
|
Reg#(Bit#(5)) tempSlot <- mkReg(0);
|
| 470 |
|
|
Reg#(Bit#(5)) tempSlot2 <- mkReg(0);
|
| 471 |
|
|
Reg#(Bit#(2)) adjustFreeSlots <- mkReg(0);
|
| 472 |
|
|
|
| 473 |
|
|
Reg#(Bool) refPicListDone <- mkReg(False);
|
| 474 |
|
|
Reg#(Bool) lockInterLoads <- mkReg(True);
|
| 475 |
|
|
DoNotFire donotfire <- mkDoNotFire();
|
| 476 |
|
|
|
| 477 |
|
|
|
| 478 |
|
|
//-----------------------------------------------------------
|
| 479 |
|
|
// Rules
|
| 480 |
|
|
|
| 481 |
|
|
rule inputing ( !noMoreInput && !inputframedone );
|
| 482 |
|
|
//$display( "Trace Buffer Control: passing infifo packed %h", pack(infifo.first()));
|
| 483 |
|
|
case (infifo.first()) matches
|
| 484 |
|
|
tagged EDOT .indata :
|
| 485 |
|
|
begin
|
| 486 |
|
|
case (indata) matches
|
| 487 |
|
|
tagged SPSlog2_max_frame_num .xdata :
|
| 488 |
|
|
begin
|
| 489 |
|
|
if(adjustFreeSlots == 0)
|
| 490 |
|
|
begin
|
| 491 |
|
|
infifo.deq();
|
| 492 |
|
|
log2_max_frame_num <= xdata;
|
| 493 |
|
|
freeSlots.init();
|
| 494 |
|
|
shortTermPicList.clear();
|
| 495 |
|
|
longTermPicList.clear();
|
| 496 |
|
|
end
|
| 497 |
|
|
else
|
| 498 |
|
|
donotfire.doNotFire();
|
| 499 |
|
|
end
|
| 500 |
|
|
tagged SPSnum_ref_frames .xdata :
|
| 501 |
|
|
begin
|
| 502 |
|
|
infifo.deq();
|
| 503 |
|
|
num_ref_frames <= xdata;
|
| 504 |
|
|
end
|
| 505 |
|
|
tagged SPSgaps_in_frame_num_allowed_flag .xdata :
|
| 506 |
|
|
begin
|
| 507 |
|
|
infifo.deq();
|
| 508 |
|
|
gaps_in_frame_num_allowed_flag <= xdata;
|
| 509 |
|
|
end
|
| 510 |
|
|
tagged SPSpic_width_in_mbs .xdata :
|
| 511 |
|
|
begin
|
| 512 |
|
|
infifo.deq();
|
| 513 |
|
|
picWidth <= xdata;
|
| 514 |
|
|
end
|
| 515 |
|
|
tagged SPSpic_height_in_map_units .xdata :
|
| 516 |
|
|
begin
|
| 517 |
|
|
infifo.deq();
|
| 518 |
|
|
picHeight <= xdata;
|
| 519 |
|
|
frameinmb <= zeroExtend(picWidth)*zeroExtend(xdata);
|
| 520 |
|
|
end
|
| 521 |
|
|
tagged PPSnum_ref_idx_l0_active .xdata :
|
| 522 |
|
|
begin
|
| 523 |
|
|
infifo.deq();
|
| 524 |
|
|
ppsnum_ref_idx_l0_active <= xdata;
|
| 525 |
|
|
end
|
| 526 |
|
|
tagged SHfirst_mb_in_slice .xdata :
|
| 527 |
|
|
begin
|
| 528 |
|
|
if(adjustFreeSlots == 0)
|
| 529 |
|
|
begin
|
| 530 |
|
|
infifo.deq();
|
| 531 |
|
|
newInputFrame <= False;
|
| 532 |
|
|
shortTermPicList.listAll();
|
| 533 |
|
|
longTermPicList.listAll();
|
| 534 |
|
|
initRefPicList <= True;
|
| 535 |
|
|
refPicListCount <= 0;
|
| 536 |
|
|
if(newInputFrame)
|
| 537 |
|
|
begin
|
| 538 |
|
|
inSlot <= freeSlots.first(outSlot);
|
| 539 |
|
|
inAddrBase <= (zeroExtend(freeSlots.first(outSlot))*zeroExtend(frameinmb)*3)<<5;
|
| 540 |
|
|
end
|
| 541 |
|
|
$display( "Trace BufferControl: passing SHfirst_mb_in_slice %h %h %0d", freeSlots.first(outSlot), outSlot, (newInputFrame ? 1 : 0));
|
| 542 |
|
|
end
|
| 543 |
|
|
else
|
| 544 |
|
|
donotfire.doNotFire();
|
| 545 |
|
|
end
|
| 546 |
|
|
tagged SHframe_num .xdata :
|
| 547 |
|
|
begin
|
| 548 |
|
|
infifo.deq();
|
| 549 |
|
|
frame_num <= xdata;
|
| 550 |
|
|
picNumLXPred <= frame_num;
|
| 551 |
|
|
end
|
| 552 |
|
|
tagged SHnum_ref_idx_active_override_flag .xdata :
|
| 553 |
|
|
begin
|
| 554 |
|
|
infifo.deq();
|
| 555 |
|
|
num_ref_idx_l0_active <= ppsnum_ref_idx_l0_active;
|
| 556 |
|
|
end
|
| 557 |
|
|
tagged SHnum_ref_idx_l0_active .xdata :
|
| 558 |
|
|
begin
|
| 559 |
|
|
infifo.deq();
|
| 560 |
|
|
num_ref_idx_l0_active <= xdata;
|
| 561 |
|
|
end
|
| 562 |
|
|
tagged SHRref_pic_list_reordering_flag_l0 .xdata :
|
| 563 |
|
|
begin
|
| 564 |
|
|
if(!initRefPicList)
|
| 565 |
|
|
begin
|
| 566 |
|
|
infifo.deq();
|
| 567 |
|
|
if(xdata==0)
|
| 568 |
|
|
refPicListDone <= True;
|
| 569 |
|
|
end
|
| 570 |
|
|
else
|
| 571 |
|
|
donotfire.doNotFire();
|
| 572 |
|
|
refIdx <= 0;
|
| 573 |
|
|
end
|
| 574 |
|
|
tagged SHRreordering_of_pic_nums_idc .xdata :
|
| 575 |
|
|
begin
|
| 576 |
|
|
if(!reorderRefPicList)
|
| 577 |
|
|
begin
|
| 578 |
|
|
infifo.deq();
|
| 579 |
|
|
reordering_of_pic_nums_idc <= xdata;
|
| 580 |
|
|
if(xdata==3)
|
| 581 |
|
|
refPicListDone <= True;
|
| 582 |
|
|
end
|
| 583 |
|
|
else
|
| 584 |
|
|
donotfire.doNotFire();
|
| 585 |
|
|
end
|
| 586 |
|
|
tagged SHRabs_diff_pic_num .xdata :
|
| 587 |
|
|
begin
|
| 588 |
|
|
if(!reorderRefPicList)
|
| 589 |
|
|
begin
|
| 590 |
|
|
infifo.deq();
|
| 591 |
|
|
Bit#(16) picNumLXNoWrap;
|
| 592 |
|
|
Bit#(17) tempOne = 1;
|
| 593 |
|
|
Bit#(17) maxPicNum = tempOne << log2_max_frame_num;
|
| 594 |
|
|
if(reordering_of_pic_nums_idc==0)
|
| 595 |
|
|
begin
|
| 596 |
|
|
if(picNumLXPred < truncate(xdata))
|
| 597 |
|
|
picNumLXNoWrap = truncate(zeroExtend(picNumLXPred)-xdata+maxPicNum);
|
| 598 |
|
|
else
|
| 599 |
|
|
picNumLXNoWrap = truncate(zeroExtend(picNumLXPred)-xdata);
|
| 600 |
|
|
end
|
| 601 |
|
|
else
|
| 602 |
|
|
begin
|
| 603 |
|
|
if(zeroExtend(picNumLXPred)+xdata >= maxPicNum)
|
| 604 |
|
|
picNumLXNoWrap = truncate(zeroExtend(picNumLXPred)+xdata-maxPicNum);
|
| 605 |
|
|
else
|
| 606 |
|
|
picNumLXNoWrap = truncate(zeroExtend(picNumLXPred)+xdata);
|
| 607 |
|
|
end
|
| 608 |
|
|
picNumLXPred <= picNumLXNoWrap;
|
| 609 |
|
|
shortTermPicList.search(picNumLXNoWrap);
|
| 610 |
|
|
reorderRefPicList <= True;
|
| 611 |
|
|
refPicListCount <= 0;
|
| 612 |
|
|
end
|
| 613 |
|
|
else
|
| 614 |
|
|
donotfire.doNotFire();
|
| 615 |
|
|
end
|
| 616 |
|
|
tagged SHRlong_term_pic_num .xdata :
|
| 617 |
|
|
begin
|
| 618 |
|
|
if(!reorderRefPicList)
|
| 619 |
|
|
begin
|
| 620 |
|
|
infifo.deq();
|
| 621 |
|
|
longTermPicList.search(xdata);
|
| 622 |
|
|
reorderRefPicList <= True;
|
| 623 |
|
|
refPicListCount <= 0;
|
| 624 |
|
|
end
|
| 625 |
|
|
else
|
| 626 |
|
|
donotfire.doNotFire();
|
| 627 |
|
|
end
|
| 628 |
|
|
tagged SHDlong_term_reference_flag .xdata :
|
| 629 |
|
|
begin
|
| 630 |
|
|
infifo.deq();
|
| 631 |
|
|
if(xdata==0)
|
| 632 |
|
|
shortTermPicList.insert(frame_num,inSlot,num_ref_frames);
|
| 633 |
|
|
else
|
| 634 |
|
|
longTermPicList.insert(0,inSlot);
|
| 635 |
|
|
adjustFreeSlots <= 1;
|
| 636 |
|
|
end
|
| 637 |
|
|
tagged SHDadaptive_ref_pic_marking_mode_flag .xdata :
|
| 638 |
|
|
begin
|
| 639 |
|
|
infifo.deq();
|
| 640 |
|
|
Bit#(17) tempFrameNum = zeroExtend(frame_num);
|
| 641 |
|
|
Bit#(17) tempOne = 1;
|
| 642 |
|
|
Bit#(17) maxPicNum = tempOne << log2_max_frame_num;
|
| 643 |
|
|
Bit#(16) tempGap = 0;
|
| 644 |
|
|
if(frame_num < prevRefFrameNum)
|
| 645 |
|
|
tempFrameNum = tempFrameNum + maxPicNum;
|
| 646 |
|
|
if(tempFrameNum-zeroExtend(prevRefFrameNum) > 1)
|
| 647 |
|
|
tempGap = truncate(tempFrameNum-zeroExtend(prevRefFrameNum)-1);
|
| 648 |
|
|
if(xdata==0)
|
| 649 |
|
|
begin
|
| 650 |
|
|
if(tempGap==0)
|
| 651 |
|
|
shortTermPicList.insert(frame_num,inSlot,(num_ref_frames-longTermPicList.numPics()));
|
| 652 |
|
|
else
|
| 653 |
|
|
shortTermPicList.insert_gap(frame_num,inSlot,(num_ref_frames-longTermPicList.numPics()),tempGap,log2_max_frame_num);
|
| 654 |
|
|
adjustFreeSlots <= 1;
|
| 655 |
|
|
end
|
| 656 |
|
|
prevRefFrameNum <= frame_num;
|
| 657 |
|
|
end
|
| 658 |
|
|
tagged SHDmemory_management_control_operation .xdata :
|
| 659 |
|
|
begin
|
| 660 |
|
|
infifo.deq();
|
| 661 |
|
|
memory_management_control_operation <= xdata;
|
| 662 |
|
|
if(xdata==0)
|
| 663 |
|
|
adjustFreeSlots <= 1;
|
| 664 |
|
|
else if(xdata==5)
|
| 665 |
|
|
begin
|
| 666 |
|
|
shortTermPicList.clear();
|
| 667 |
|
|
longTermPicList.clear();
|
| 668 |
|
|
end
|
| 669 |
|
|
end
|
| 670 |
|
|
tagged SHDdifference_of_pic_nums .xdata :
|
| 671 |
|
|
begin
|
| 672 |
|
|
infifo.deq();
|
| 673 |
|
|
Bit#(16) picNumXNoWrap;
|
| 674 |
|
|
Bit#(17) tempOne = 1;
|
| 675 |
|
|
Bit#(17) maxPicNum = tempOne << log2_max_frame_num;
|
| 676 |
|
|
if(frame_num < truncate(xdata))
|
| 677 |
|
|
picNumXNoWrap = truncate(zeroExtend(frame_num)-xdata+maxPicNum);
|
| 678 |
|
|
else
|
| 679 |
|
|
picNumXNoWrap = truncate(zeroExtend(frame_num)-xdata);
|
| 680 |
|
|
if(memory_management_control_operation == 1)
|
| 681 |
|
|
shortTermPicList.remove(picNumXNoWrap,False);
|
| 682 |
|
|
else
|
| 683 |
|
|
shortTermPicList.remove(picNumXNoWrap,True);
|
| 684 |
|
|
end
|
| 685 |
|
|
tagged SHDlong_term_pic_num .xdata :
|
| 686 |
|
|
begin
|
| 687 |
|
|
infifo.deq();
|
| 688 |
|
|
longTermPicList.remove(xdata);
|
| 689 |
|
|
end
|
| 690 |
|
|
tagged SHDlong_term_frame_idx .xdata :
|
| 691 |
|
|
begin
|
| 692 |
|
|
infifo.deq();
|
| 693 |
|
|
if(memory_management_control_operation == 3)
|
| 694 |
|
|
begin
|
| 695 |
|
|
if(shortTermPicList.resultSlot() matches tagged Valid .validdata)
|
| 696 |
|
|
longTermPicList.insert(xdata,validdata);
|
| 697 |
|
|
else
|
| 698 |
|
|
$display( "ERROR BufferControl: SHDlong_term_frame_idx Invalid output from shortTermPicList");
|
| 699 |
|
|
shortTermPicList.deq();
|
| 700 |
|
|
end
|
| 701 |
|
|
else
|
| 702 |
|
|
longTermPicList.insert(xdata,inSlot);
|
| 703 |
|
|
end
|
| 704 |
|
|
tagged SHDmax_long_term_frame_idx_plus1 .xdata :
|
| 705 |
|
|
begin
|
| 706 |
|
|
infifo.deq();
|
| 707 |
|
|
longTermPicList.maxIndexPlus1(xdata);
|
| 708 |
|
|
end
|
| 709 |
|
|
tagged EndOfFile :
|
| 710 |
|
|
begin
|
| 711 |
|
|
infifo.deq();
|
| 712 |
|
|
$display( "INFO Buffer Control: EndOfFile reached");
|
| 713 |
|
|
noMoreInput <= True;
|
| 714 |
|
|
//$finish(0);
|
| 715 |
|
|
//outfifo.enq(EndOfFile);
|
| 716 |
|
|
end
|
| 717 |
|
|
default: infifo.deq();
|
| 718 |
|
|
endcase
|
| 719 |
|
|
end
|
| 720 |
|
|
tagged DFBLuma .indata :
|
| 721 |
|
|
begin
|
| 722 |
|
|
infifo.deq();
|
| 723 |
|
|
//$display( "TRACE Buffer Control: input Luma %0d %h %h", indata.mb, indata.pixel, indata.data);
|
| 724 |
|
|
Bit#(TAdd#(PicAreaSz,6)) addr = {(zeroExtend(indata.ver)*zeroExtend(picWidth)),2'b00}+zeroExtend(indata.hor);
|
| 725 |
|
|
storeReqQ.enq(FBStoreReq {addr:inAddrBase+zeroExtend(addr),data:indata.data});
|
| 726 |
|
|
end
|
| 727 |
|
|
tagged DFBChroma .indata :
|
| 728 |
|
|
begin
|
| 729 |
|
|
infifo.deq();
|
| 730 |
|
|
Bit#(TAdd#(PicAreaSz,4)) addr = {(zeroExtend(indata.ver)*zeroExtend(picWidth)),1'b0}+zeroExtend(indata.hor);
|
| 731 |
|
|
Bit#(TAdd#(PicAreaSz,6)) chromaOffset = {frameinmb,6'b000000};
|
| 732 |
|
|
Bit#(TAdd#(PicAreaSz,4)) vOffset = 0;
|
| 733 |
|
|
if(indata.uv == 1)
|
| 734 |
|
|
vOffset = {frameinmb,4'b0000};
|
| 735 |
|
|
storeReqQ.enq(FBStoreReq {addr:(inAddrBase+zeroExtend(chromaOffset)+zeroExtend(vOffset)+zeroExtend(addr)),data:indata.data});
|
| 736 |
|
|
//$display( "TRACE Buffer Control: input Chroma %0d %0h %h %h %h %h", indata.uv, indata.ver, indata.hor, indata.data, addr, (inAddrBase+zeroExtend(chromaOffset)+zeroExtend(vOffset)+zeroExtend(addr)));
|
| 737 |
|
|
end
|
| 738 |
|
|
tagged EndOfFrame :
|
| 739 |
|
|
begin
|
| 740 |
|
|
infifo.deq();
|
| 741 |
|
|
$display( "INFO Buffer Control: EndOfFrame reached");
|
| 742 |
|
|
inputframedone <= True;
|
| 743 |
|
|
newInputFrame <= True;
|
| 744 |
|
|
refPicListDone <= False;
|
| 745 |
|
|
end
|
| 746 |
|
|
default: infifo.deq();
|
| 747 |
|
|
endcase
|
| 748 |
|
|
endrule
|
| 749 |
|
|
|
| 750 |
|
|
|
| 751 |
|
|
rule initingRefPicList ( initRefPicList );
|
| 752 |
|
|
if(shortTermPicList.resultSlot() matches tagged Valid .xdata)
|
| 753 |
|
|
begin
|
| 754 |
|
|
shortTermPicList.deq();
|
| 755 |
|
|
refPicList.upd(refPicListCount,xdata);
|
| 756 |
|
|
refPicListCount <= refPicListCount+1;
|
| 757 |
|
|
$display( "Trace BufferControl: initingRefPicList shortTermPicList %h", xdata);
|
| 758 |
|
|
end
|
| 759 |
|
|
else if(longTermPicList.resultSlot() matches tagged Valid .xdata)
|
| 760 |
|
|
begin
|
| 761 |
|
|
longTermPicList.deq();
|
| 762 |
|
|
refPicList.upd(refPicListCount,xdata);
|
| 763 |
|
|
refPicListCount <= refPicListCount+1;
|
| 764 |
|
|
$display( "Trace BufferControl: initingRefPicList longTermPicList %h", xdata);
|
| 765 |
|
|
end
|
| 766 |
|
|
else
|
| 767 |
|
|
begin
|
| 768 |
|
|
shortTermPicList.deq();
|
| 769 |
|
|
longTermPicList.deq();
|
| 770 |
|
|
initRefPicList <= False;
|
| 771 |
|
|
refPicListCount <= 0;
|
| 772 |
|
|
$display( "Trace BufferControl: initingRefPicList end");
|
| 773 |
|
|
end
|
| 774 |
|
|
endrule
|
| 775 |
|
|
|
| 776 |
|
|
|
| 777 |
|
|
rule reorderingRefPicList ( reorderRefPicList );
|
| 778 |
|
|
$display( "Trace BufferControl: reorderingRefPicList");
|
| 779 |
|
|
if(shortTermPicList.resultSlot() matches tagged Valid .xdata)//////////////////////////////////////////////////////////////////////////////////////////
|
| 780 |
|
|
begin
|
| 781 |
|
|
shortTermPicList.deq();
|
| 782 |
|
|
tempSlot <= refPicList.sub(refIdx);
|
| 783 |
|
|
refPicList.upd(refIdx,xdata);
|
| 784 |
|
|
refPicListCount <= refIdx+1;
|
| 785 |
|
|
tempSlot2 <= xdata;
|
| 786 |
|
|
end
|
| 787 |
|
|
else if(longTermPicList.resultSlot() matches tagged Valid .xdata)/////////////////////////////////////////////////////////////////////////////////////may get stuck?
|
| 788 |
|
|
begin
|
| 789 |
|
|
longTermPicList.deq();
|
| 790 |
|
|
tempSlot <= refPicList.sub(refIdx);
|
| 791 |
|
|
refPicList.upd(refIdx,xdata);
|
| 792 |
|
|
refPicListCount <= refIdx+1;
|
| 793 |
|
|
tempSlot2 <= xdata;
|
| 794 |
|
|
end
|
| 795 |
|
|
else
|
| 796 |
|
|
begin
|
| 797 |
|
|
if(refPicListCount
|
| 798 |
|
|
begin
|
| 799 |
|
|
tempSlot <= refPicList.sub(refPicListCount);
|
| 800 |
|
|
refPicList.upd(refPicListCount,tempSlot);
|
| 801 |
|
|
refPicListCount <= refPicListCount+1;
|
| 802 |
|
|
end
|
| 803 |
|
|
else
|
| 804 |
|
|
begin
|
| 805 |
|
|
reorderRefPicList <= False;
|
| 806 |
|
|
refPicListCount <= 0;
|
| 807 |
|
|
refIdx <= refIdx+1;
|
| 808 |
|
|
end
|
| 809 |
|
|
end
|
| 810 |
|
|
endrule
|
| 811 |
|
|
|
| 812 |
|
|
|
| 813 |
|
|
rule adjustingFreeSlots ( adjustFreeSlots != 0 );
|
| 814 |
|
|
if(adjustFreeSlots == 1)
|
| 815 |
|
|
begin
|
| 816 |
|
|
shortTermPicList.listAll();
|
| 817 |
|
|
longTermPicList.listAll();
|
| 818 |
|
|
freeSlots.init();
|
| 819 |
|
|
adjustFreeSlots <= 2;
|
| 820 |
|
|
$display( "Trace BufferControl: adjustingFreeSlots begin");
|
| 821 |
|
|
end
|
| 822 |
|
|
else
|
| 823 |
|
|
begin
|
| 824 |
|
|
if(shortTermPicList.resultSlot() matches tagged Valid .xdata)
|
| 825 |
|
|
begin
|
| 826 |
|
|
shortTermPicList.deq();
|
| 827 |
|
|
freeSlots.remove(xdata);
|
| 828 |
|
|
$display( "Trace BufferControl: adjustingFreeSlots shortTermPicList %h", xdata);
|
| 829 |
|
|
end
|
| 830 |
|
|
else if(longTermPicList.resultSlot() matches tagged Valid .xdata)
|
| 831 |
|
|
begin
|
| 832 |
|
|
longTermPicList.deq();
|
| 833 |
|
|
freeSlots.remove(xdata);
|
| 834 |
|
|
$display( "Trace BufferControl: adjustingFreeSlots longTermPicList %h", xdata);
|
| 835 |
|
|
end
|
| 836 |
|
|
else
|
| 837 |
|
|
begin
|
| 838 |
|
|
shortTermPicList.deq();
|
| 839 |
|
|
longTermPicList.deq();
|
| 840 |
|
|
adjustFreeSlots <= 0;
|
| 841 |
|
|
$display( "Trace BufferControl: adjustingFreeSlots end");
|
| 842 |
|
|
end
|
| 843 |
|
|
end
|
| 844 |
|
|
endrule
|
| 845 |
|
|
|
| 846 |
|
|
|
| 847 |
|
|
rule outputingReq ( outprocess != Idle );
|
| 848 |
|
|
if(outprocess==Y)
|
| 849 |
|
|
begin
|
| 850 |
|
|
loadReqQ1.enq(FBLoadReq (outAddrBase+zeroExtend(outReqCount)));
|
| 851 |
|
|
if(outReqCount == {1'b0,frameinmb,6'b000000}-1)
|
| 852 |
|
|
outprocess <= U;
|
| 853 |
|
|
outReqCount <= outReqCount+1;
|
| 854 |
|
|
end
|
| 855 |
|
|
else if(outprocess==U)
|
| 856 |
|
|
begin
|
| 857 |
|
|
loadReqQ1.enq(FBLoadReq (outAddrBase+zeroExtend(outReqCount)));
|
| 858 |
|
|
if(outReqCount == {1'b0,frameinmb,6'b000000}+{3'b000,frameinmb,4'b0000}-1)
|
| 859 |
|
|
outprocess <= V;
|
| 860 |
|
|
outReqCount <= outReqCount+1;
|
| 861 |
|
|
end
|
| 862 |
|
|
else
|
| 863 |
|
|
begin
|
| 864 |
|
|
//$display( "TRACE BufferControl: outputingReq V %h %h %h", outAddrBase, outReqCount, (outAddrBase+zeroExtend(outReqCount)));
|
| 865 |
|
|
loadReqQ1.enq(FBLoadReq (outAddrBase+zeroExtend(outReqCount)));
|
| 866 |
|
|
if(outReqCount == {1'b0,frameinmb,6'b000000}+{2'b00,frameinmb,5'b00000}-1)
|
| 867 |
|
|
outprocess <= Idle;
|
| 868 |
|
|
outReqCount <= outReqCount+1;
|
| 869 |
|
|
end
|
| 870 |
|
|
endrule
|
| 871 |
|
|
|
| 872 |
|
|
|
| 873 |
|
|
rule outputingResp ( !outputframedone );
|
| 874 |
|
|
if(loadRespQ1.first() matches tagged FBLoadResp .xdata)
|
| 875 |
|
|
begin
|
| 876 |
|
|
loadRespQ1.deq();
|
| 877 |
|
|
outfifo.enq(YUV xdata);
|
| 878 |
|
|
if(outRespCount == {1'b0,frameinmb,6'b000000}+{2'b00,frameinmb,5'b00000}-1)
|
| 879 |
|
|
outputframedone <= True;
|
| 880 |
|
|
outRespCount <= outRespCount+1;
|
| 881 |
|
|
end
|
| 882 |
|
|
endrule
|
| 883 |
|
|
|
| 884 |
|
|
|
| 885 |
|
|
rule goToNextFrame ( outputframedone && inputframedone && inLoadReqQ.first()==IPLoadEndFrame );
|
| 886 |
|
|
inputframedone <= False;
|
| 887 |
|
|
outprocess <= Y;
|
| 888 |
|
|
outputframedone <= False;
|
| 889 |
|
|
outSlot <= inSlot;
|
| 890 |
|
|
outAddrBase <= inAddrBase;
|
| 891 |
|
|
outReqCount <= 0;
|
| 892 |
|
|
outRespCount <= 0;
|
| 893 |
|
|
loadReqQ1.enq(FBEndFrameSync);
|
| 894 |
|
|
loadReqQ2.enq(FBEndFrameSync);
|
| 895 |
|
|
storeReqQ.enq(FBEndFrameSync);
|
| 896 |
|
|
inLoadReqQ.deq();
|
| 897 |
|
|
lockInterLoads <= True;
|
| 898 |
|
|
endrule
|
| 899 |
|
|
|
| 900 |
|
|
|
| 901 |
|
|
rule unlockInterLoads ( lockInterLoads && refPicListDone );
|
| 902 |
|
|
lockInterLoads <= False;
|
| 903 |
|
|
endrule
|
| 904 |
|
|
|
| 905 |
|
|
|
| 906 |
|
|
rule theEndOfFile ( outputframedone && noMoreInput );
|
| 907 |
|
|
outfifo.enq(EndOfFile);
|
| 908 |
|
|
endrule
|
| 909 |
|
|
|
| 910 |
|
|
|
| 911 |
|
|
rule interLumaReq ( inLoadReqQ.first() matches tagged IPLoadLuma .reqdata &&& !lockInterLoads );
|
| 912 |
|
|
inLoadReqQ.deq();
|
| 913 |
|
|
Bit#(5) slot = refPicList.sub(zeroExtend(reqdata.refIdx));
|
| 914 |
|
|
Bit#(FrameBufferSz) addrBase = (zeroExtend(slot)*zeroExtend(frameinmb)*3)<<5;
|
| 915 |
|
|
Bit#(TAdd#(PicAreaSz,6)) addr = {(zeroExtend(reqdata.ver)*zeroExtend(picWidth)),2'b00}+zeroExtend(reqdata.hor);
|
| 916 |
|
|
inLoadOutOfBounds.enq({reqdata.horOutOfBounds,(reqdata.hor==0 ? 0 : 1)});
|
| 917 |
|
|
loadReqQ2.enq(FBLoadReq (addrBase+zeroExtend(addr)));
|
| 918 |
|
|
//$display( "Trace BufferControl: interLumaReq %h %h %h %h %h", reqdata.refIdx, slot, addrBase, addr, addrBase+zeroExtend(addr));
|
| 919 |
|
|
endrule
|
| 920 |
|
|
|
| 921 |
|
|
|
| 922 |
|
|
rule interChromaReq ( inLoadReqQ.first() matches tagged IPLoadChroma .reqdata &&& !lockInterLoads );
|
| 923 |
|
|
inLoadReqQ.deq();
|
| 924 |
|
|
Bit#(5) slot = refPicList.sub(zeroExtend(reqdata.refIdx));
|
| 925 |
|
|
Bit#(FrameBufferSz) addrBase = (zeroExtend(slot)*zeroExtend(frameinmb)*3)<<5;
|
| 926 |
|
|
Bit#(TAdd#(PicAreaSz,6)) chromaOffset = {frameinmb,6'b000000};
|
| 927 |
|
|
Bit#(TAdd#(PicAreaSz,4)) vOffset = 0;
|
| 928 |
|
|
if(reqdata.uv == 1)
|
| 929 |
|
|
vOffset = {frameinmb,4'b0000};
|
| 930 |
|
|
Bit#(TAdd#(PicAreaSz,6)) addr = {(zeroExtend(reqdata.ver)*zeroExtend(picWidth)),1'b0}+zeroExtend(reqdata.hor);
|
| 931 |
|
|
inLoadOutOfBounds.enq({reqdata.horOutOfBounds,(reqdata.hor==0 ? 0 : 1)});
|
| 932 |
|
|
loadReqQ2.enq(FBLoadReq (addrBase+zeroExtend(chromaOffset)+zeroExtend(vOffset)+zeroExtend(addr)));
|
| 933 |
|
|
//$display( "Trace BufferControl: interChromaReq %h %h %h %h %h", reqdata.refIdx, slot, addrBase, addr, addrBase+zeroExtend(chromaOffset)+zeroExtend(vOffset)+zeroExtend(addr));
|
| 934 |
|
|
endrule
|
| 935 |
|
|
|
| 936 |
|
|
|
| 937 |
|
|
rule interResp ( loadRespQ2.first() matches tagged FBLoadResp .data );
|
| 938 |
|
|
loadRespQ2.deq();
|
| 939 |
|
|
if(inLoadOutOfBounds.first() == 2'b10)
|
| 940 |
|
|
inLoadRespQ.enq(IPLoadResp ({data[7:0],data[7:0],data[7:0],data[7:0]}));
|
| 941 |
|
|
else if(inLoadOutOfBounds.first() == 2'b11)
|
| 942 |
|
|
inLoadRespQ.enq(IPLoadResp ({data[31:24],data[31:24],data[31:24],data[31:24]}));
|
| 943 |
|
|
else
|
| 944 |
|
|
inLoadRespQ.enq(IPLoadResp data);
|
| 945 |
|
|
inLoadOutOfBounds.deq();
|
| 946 |
|
|
//$display( "Trace BufferControl: interResp %h %h", inLoadOutOfBounds.first(), data);
|
| 947 |
|
|
endrule
|
| 948 |
|
|
|
| 949 |
|
|
|
| 950 |
|
|
|
| 951 |
|
|
interface Put ioin = fifoToPut(infifo);
|
| 952 |
|
|
interface Get ioout = fifoToGet(outfifo);
|
| 953 |
|
|
interface Client buffer_client_load1;
|
| 954 |
|
|
interface Get request = fifoToGet(loadReqQ1);
|
| 955 |
|
|
interface Put response = fifoToPut(loadRespQ1);
|
| 956 |
|
|
endinterface
|
| 957 |
|
|
interface Client buffer_client_load2;
|
| 958 |
|
|
interface Get request = fifoToGet(loadReqQ2);
|
| 959 |
|
|
interface Put response = fifoToPut(loadRespQ2);
|
| 960 |
|
|
endinterface
|
| 961 |
|
|
interface Get buffer_client_store = fifoToGet(storeReqQ);
|
| 962 |
|
|
interface Server inter_server;
|
| 963 |
|
|
interface Put request = fifoToPut(inLoadReqQ);
|
| 964 |
|
|
interface Get response = fifoToGet(inLoadRespQ);
|
| 965 |
|
|
endinterface
|
| 966 |
|
|
|
| 967 |
|
|
|
| 968 |
|
|
endmodule
|
| 969 |
|
|
|
| 970 |
|
|
endpackage
|
