| /***************************************************************************** |
| |
| Licensed to Accellera Systems Initiative Inc. (Accellera) under one or |
| more contributor license agreements. See the NOTICE file distributed |
| with this work for additional information regarding copyright ownership. |
| Accellera licenses this file to you under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with the |
| License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| implied. See the License for the specific language governing |
| permissions and limitations under the License. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| star104726.cpp -- |
| |
| Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| MODIFICATION LOG - modifiers, enter your name, affiliation, date and |
| changes you are making here. |
| |
| Name, Affiliation, Date: |
| Description of Modification: |
| |
| *****************************************************************************/ |
| |
| #include "quant.h" |
| |
| |
| void quant::do_quant() |
| { |
| Coeff8x8 c; |
| Coeff8x8 fuv; |
| COEFF ff; |
| int u,v; |
| |
| while(true) { |
| |
| ready.write(true); |
| data_out_ready.write(false); |
| do { wait(); } while (start==false); |
| ready.write(false); |
| |
| c = data_in.read(); |
| |
| // quantization |
| for( v=0; v<8; v++ ) { |
| for( u=0; u<8; u++ ) { |
| ff = (c.get(v,u)<<1) / (COEFF)(coeff_quant[v][u]); |
| fuv.put(v,u,(ff<0 ? ff : ff+1) >> 1); |
| } |
| } |
| |
| data_out.write(fuv); |
| |
| data_out_ready.write(true); |
| do { wait(); } while (data_ok==false); |
| |
| } |
| } |
| |
| |