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https://opencores.org/ocsvn/bluespec-h264/bluespec-h264/trunk
Subversion Repositories bluespec-h264
[/] [bluespec-h264/] [trunk/] [release/] [mkFinalOutput.bsv] - Rev 84
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//**********************************************************************
// final output implementation
//----------------------------------------------------------------------
//
//
package mkFinalOutput;
import H264Types::*;
import IFinalOutput::*;
import FIFO::*;
import RegFile::*;
import Connectable::*;
import GetPut::*;
//-----------------------------------------------------------
// Final Output Module
//-----------------------------------------------------------
module mkFinalOutput( IFinalOutput );
FIFO#(BufferControlOT) infifo <- mkFIFO;
Reg#(Bit#(27)) index <- mkReg(0);
Reg#(Bit#(32)) tick_counter <- mkReg(0);
Reg#(Bit#(32)) data_seen_counter <- mkReg(0);
Reg#(Bit#(32)) last_f_count <- mkReg(0);
Reg#(Bit#(32)) f_count <- mkReg(0);
rule tick;
tick_counter <= tick_counter + 1;
if(tick_counter%2000000 == 0)
begin
if(last_f_count == f_count)
begin
$display("mkFinalOutput: Warning: no new frames, stuck at %d", last_f_count);
end
else
begin
$display("mkFinalOutput: Feelin' fine current frames: %d", last_f_count);
end
last_f_count <= f_count;
end
endrule
//-----------------------------------------------------------
// Rules
rule finalout (True);
// Bit#(32) data_constant = pack(fromInteger(horizontal_pixels * vertical_pixels))*3/2;
//if(data_seen_counter + 4 > data_constant)
// begin
// f_count <= f_count + 1;
// data_seen_counter <= 0;
// end
//else
// begin
// data_seen_counter <= data_seen_counter+4;
// end
index <= index + 4;
if(infifo.first() matches tagged YUV .xdata)
begin
$display("OUT %h", xdata[7:0]);
$display("OUT %h", xdata[15:8]);
$display("OUT %h", xdata[23:16]);
$display("OUT %h", xdata[31:24]);
infifo.deq();
end
else
$finish(0);
endrule
interface Put ioin = fifoToPut(infifo);
endmodule
endpackage
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