1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: sad.cpp,v 1.8 2008/06/19 10:39:59 tjdwave Exp $ $Name: Dirac_1_0_2 $
4 *
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 *
7 * The contents of this file are subject to the Mozilla Public License
8 * Version 1.1 (the "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
11 *
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
14 * the specific language governing rights and limitations under the License.
15 *
16 * The Original Code is BBC Research and Development code.
17 *
18 * The Initial Developer of the Original Code is the British Broadcasting
19 * Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 2004.
21 * All Rights Reserved.
22 *
23 * Contributor(s): Chris Bowley (Original Author)
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
27 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
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36 * ***** END LICENSE BLOCK ***** */
37
38 #include <util/instrumentation/libdirac_instrument/sad.h>
39 using namespace dirac_instr;
40 using namespace dirac;
41
42 // constructor
DrawSad(Picture & picture,DrawPictureMotionParams & draw_params,const TwoDArray<MvCostData> & cost,const TwoDArray<PredMode> & mode,int scale)43 DrawSad::DrawSad(Picture & picture, DrawPictureMotionParams & draw_params, const TwoDArray<MvCostData> & cost, const TwoDArray<PredMode> & mode,
44 int scale)
45 :
46 DrawOverlay(picture, draw_params),
47 m_scale(scale),
48 m_cost(cost),
49 m_mode(mode)
50 {}
51
52 // destructor
~DrawSad()53 DrawSad::~DrawSad()
54 {}
55
56 // colours a motion vector block appropriately and indicates intra coding using a white box
DrawBlock(int j,int i)57 void DrawSad::DrawBlock(int j, int i)
58 {
59 // get U and V for motion vector block
60 int U = 0, V = 0;
61 int value = int(m_cost[j][i].SAD / (double(m_scale) / 250));
62 GetPowerUV(value, U, V);
63 DrawMvBlockUV(j, i, U, V);
64
65 // if intra, draw white box round block
66 if (m_mode[j][i]==dirac::INTRA)
67 {
68 int yidx = (j*m_draw_params.MvYBlockY());
69 int xidx = (i*m_draw_params.MvYBlockX());
70 for (int ypx=0; ypx<m_draw_params.MvYBlockY(); ++ypx)
71 {
72 if ((yidx+ypx)>=m_picture.Data(Y_COMP).LengthY() ||
73 (xidx+m_draw_params.MvYBlockX()-1)>= m_picture.Data(Y_COMP).LengthX())
74 break;
75 m_picture.Data(Y_COMP)[(j*m_draw_params.MvYBlockY())+ypx][(i*m_draw_params.MvYBlockX())] = 250;
76 m_picture.Data(Y_COMP)[(j*m_draw_params.MvYBlockY())+ypx][(i*m_draw_params.MvYBlockX())+m_draw_params.MvYBlockX()-1] = 250;
77 }// ypx
78
79 for (int xpx=0; xpx<m_draw_params.MvYBlockX(); ++xpx)
80 {
81 if ((yidx+m_draw_params.MvYBlockY()-1)>=m_picture.Data(Y_COMP).LengthY() ||
82 (xidx+xpx)>= m_picture.Data(Y_COMP).LengthX())
83 break;
84 m_picture.Data(Y_COMP)[(j*m_draw_params.MvYBlockY())][(i*m_draw_params.MvYBlockX())+xpx] = 250;
85 m_picture.Data(Y_COMP)[(j*m_draw_params.MvYBlockY())+m_draw_params.MvYBlockY()-1][(i*m_draw_params.MvYBlockX())+xpx] = 250;
86 }// xpx
87 }
88 }
89
90 // displays power bar legend
DrawLegend()91 void DrawSad::DrawLegend()
92 {
93 DrawPowerBar(0, m_scale);
94 }
95