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annotate test/testoverlay.c @ 335:bc4d50d2edd9

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author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 Apr 2002 02:14:33 +0000
parents 255c7ee077cb
children e8063c656626
rev   line source
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
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1
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2 /* Bring up a window and play with it */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <string.h>
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7
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8 #define BENCHMARK_SDL
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9
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10 #define NOTICE(X) printf("%s", X);
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11
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12 #include "SDL.h"
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13
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14 SDL_Surface *screen, *pic;
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15 SDL_Overlay *overlay;
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16 int scale;
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17
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18 /* NOTE: These RGB conversion functions are not intended for speed,
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19 only as examples.
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20 */
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21
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22 void RGBtoYUV(Uint8 *rgb, int *yuv)
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23 {
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24 int i;
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25 #if 1 /* these are the two formulas that I found on the FourCC site... */
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26 yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
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27 yuv[1] = (rgb[2]-yuv[0])*0.565 + 128;
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28 yuv[2] = (rgb[0]-yuv[0])*0.713 + 128;
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29 #else
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30 yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
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31 yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]);
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32 yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]);
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33 #endif
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34 /* clamp values...if you need to, we don't seem to have a need */
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35 /*
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36 for(i=0;i<3;i++)
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37 {
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38 if(yuv[i]<0)
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39 yuv[i]=0;
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40 if(yuv[i]>255)
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41 yuv[i]=255;
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42 }
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43 */
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44 }
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45
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46 ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o)
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47 {
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48 int x,y;
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49 int yuv[3];
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50 Uint8 *p,*op[3];
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51
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52 SDL_LockSurface(s);
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53 SDL_LockYUVOverlay(o);
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54
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55 /* Black initialization */
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56 /*
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57 memset(o->pixels[0],0,o->pitches[0]*o->h);
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58 memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
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59 memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
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60 */
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61
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62 /* Convert */
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63 for(y=0; y<s->h && y<o->h; y++)
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64 {
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65 p=s->pixels+s->pitch*y;
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66 op[0]=o->pixels[0]+o->pitches[0]*y;
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67 op[1]=o->pixels[1]+o->pitches[1]*(y/2);
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68 op[2]=o->pixels[2]+o->pitches[2]*(y/2);
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69 for(x=0; x<s->w && x<o->w; x++)
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70 {
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71 RGBtoYUV(p,yuv);
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72 *(op[0]++)=yuv[0];
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73 if(x%2==0 && y%2==0)
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74 {
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75 *(op[1]++)=yuv[2];
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76 *(op[2]++)=yuv[1];
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77 }
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78 p+=s->format->BytesPerPixel;
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79 }
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80 }
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81
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82 SDL_UnlockYUVOverlay(o);
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83 SDL_UnlockSurface(s);
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84 }
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85
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86 ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o)
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87 {
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88 int x,y;
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89 int yuv[3];
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90 Uint8 *p,*op[3];
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91
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92 SDL_LockSurface(s);
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93 SDL_LockYUVOverlay(o);
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94
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95 /* Black initialization */
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96 /*
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97 memset(o->pixels[0],0,o->pitches[0]*o->h);
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98 memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
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99 memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
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100 */
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101
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102 /* Convert */
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103 for(y=0; y<s->h && y<o->h; y++)
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104 {
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105 p=s->pixels+s->pitch*y;
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106 op[0]=o->pixels[0]+o->pitches[0]*y;
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107 op[1]=o->pixels[1]+o->pitches[1]*(y/2);
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108 op[2]=o->pixels[2]+o->pitches[2]*(y/2);
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109 for(x=0; x<s->w && x<o->w; x++)
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110 {
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111 RGBtoYUV(p,yuv);
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112 *(op[0]++)=yuv[0];
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113 if(x%2==0 && y%2==0)
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114 {
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115 *(op[1]++)=yuv[1];
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116 *(op[2]++)=yuv[2];
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117 }
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118 p+=s->format->BytesPerPixel;
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119 }
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120 }
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121
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122 SDL_UnlockYUVOverlay(o);
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123 SDL_UnlockSurface(s);
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124 }
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125
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126 ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o)
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127 {
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128 int x,y;
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129 int yuv[3];
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130 Uint8 *p,*op;
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131
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132 SDL_LockSurface(s);
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133 SDL_LockYUVOverlay(o);
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134
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135 for(y=0; y<s->h && y<o->h; y++)
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136 {
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137 p=s->pixels+s->pitch*y;
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138 op=o->pixels[0]+o->pitches[0]*y;
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139 for(x=0; x<s->w && x<o->w; x++)
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140 {
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141 RGBtoYUV(p,yuv);
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142 if(x%2==0)
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143 {
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144 *(op++)=yuv[1];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 *(op++)=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 *(op++)=yuv[2];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 *(op++)=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 p+=s->format->BytesPerPixel;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 SDL_UnlockYUVOverlay(o);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 SDL_UnlockSurface(s);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 int x,y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 int yuv[3];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 Uint8 *p,*op;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 SDL_LockSurface(s);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 SDL_LockYUVOverlay(o);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 for(y=0; y<s->h && y<o->h; y++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 p=s->pixels+s->pitch*y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 op=o->pixels[0]+o->pitches[0]*y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 for(x=0; x<s->w && x<o->w; x++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 RGBtoYUV(p,yuv);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 if(x%2==0)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 *(op++)=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 *(op++)=yuv[2];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 op[1]=yuv[1];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 *op=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 op+=2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 p+=s->format->BytesPerPixel;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 SDL_UnlockYUVOverlay(o);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 SDL_UnlockSurface(s);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 int x,y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 int yuv[3];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 Uint8 *p,*op;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 SDL_LockSurface(s);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 SDL_LockYUVOverlay(o);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 for(y=0; y<s->h && y<o->h; y++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 p=s->pixels+s->pitch*y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 op=o->pixels[0]+o->pitches[0]*y;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 for(x=0; x<s->w && x<o->w; x++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 RGBtoYUV(p,yuv);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 if(x%2==0)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 *(op++)=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 *(op++)=yuv[1];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 op[1]=yuv[2];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 *op=yuv[0];
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 op+=2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 p+=s->format->BytesPerPixel;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 SDL_UnlockYUVOverlay(o);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 SDL_UnlockSurface(s);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 void Draw()
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 SDL_Rect rect;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 int i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 if(!scale)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 rect.w=overlay->w;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 rect.h=overlay->h;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 for(i=0; i<200; i++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 rect.x=i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 rect.y=i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 SDL_DisplayYUVOverlay(overlay,&rect);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 rect.w=screen->w;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 rect.h=screen->h;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 for(i=0; i<200; i++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 rect.x=i-199;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 rect.y=i-199;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 SDL_DisplayYUVOverlay(overlay,&rect);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 printf("Displayed %d times.\n",i);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 int main(int argc, char **argv)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 int flip;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 int w, h;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 int delay;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 int desired_bpp;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 Uint32 video_flags, overlay_format;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 char *bmpfile;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 #ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 Uint32 then, now;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 int i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 /* Set default options and check command-line */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 flip = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 scale=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 delay = 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 w = 640;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 h = 480;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 desired_bpp = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 video_flags = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 overlay_format = SDL_YV12_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 while ( argc > 1 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 if ( strcmp(argv[1], "-delay") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 delay = atoi(argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 } else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 "The -delay option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 if ( strcmp(argv[1], "-width") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 if ( argv[2] && ((w = atoi(argv[2])) > 0) ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 } else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 "The -width option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 if ( strcmp(argv[1], "-height") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 if ( argv[2] && ((h = atoi(argv[2])) > 0) ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 } else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 "The -height option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 if ( strcmp(argv[1], "-bpp") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 desired_bpp = atoi(argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 } else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 "The -bpp option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 if ( strcmp(argv[1], "-format") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 if(!strcmp(argv[2],"YV12"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 overlay_format = SDL_YV12_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 else if(!strcmp(argv[2],"IYUV"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 overlay_format = SDL_IYUV_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 else if(!strcmp(argv[2],"YUY2"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 overlay_format = SDL_YUY2_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 else if(!strcmp(argv[2],"UYVY"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 overlay_format = SDL_UYVY_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 else if(!strcmp(argv[2],"YVYU"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 overlay_format = SDL_YVYU_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 fprintf(stderr, "The -format option %s is not recognized\n",argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 } else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 "The -format option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 if ( strcmp(argv[1], "-hw") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 video_flags |= SDL_HWSURFACE;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 if ( strcmp(argv[1], "-flip") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 video_flags |= SDL_DOUBLEBUF;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 if ( strcmp(argv[1], "-scale") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 scale = 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 if ( strcmp(argv[1], "-fullscreen") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 video_flags |= SDL_FULLSCREEN;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 } else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 "Couldn't initialize SDL: %s\n", SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 atexit(SDL_Quit); /* Clean up on exit */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 /* Initialize the display */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 if ( screen == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 w, h, desired_bpp, SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 printf("Set%s %dx%dx%d mode\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 screen->flags & SDL_FULLSCREEN ? " fullscreen" : "",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 screen->w, screen->h, screen->format->BitsPerPixel);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 printf("(video surface located in %s memory)\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 (screen->flags&SDL_HWSURFACE) ? "video" : "system");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 if ( screen->flags & SDL_DOUBLEBUF ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 printf("Double-buffering enabled\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 flip = 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 /* Set the window manager title bar */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 SDL_WM_SetCaption("SDL test overlay", "testoverlay");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 /* Load picture */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 bmpfile=(argv[1]?argv[1]:"sample.bmp");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 pic = SDL_LoadBMP(bmpfile);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 if ( pic == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 fprintf(stderr, "Couldn't load %s: %s\n", bmpfile,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 /* Convert the picture to 32bits, for easy conversion */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 SDL_Surface *newsurf;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 SDL_PixelFormat format;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 format.palette=NULL;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 format.BitsPerPixel=32;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 format.BytesPerPixel=4;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 format.Rshift=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 format.Gshift=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 format.Bshift=16;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 #else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 format.Rshift=24;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 format.Gshift=16;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 format.Bshift=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 format.Ashift=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 format.Rmask=0xff<<format.Rshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 format.Gmask=0xff<<format.Gshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 format.Bmask=0xff<<format.Bshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 format.Amask=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 format.Rloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 format.Gloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 format.Bloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 format.Aloss=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 format.colorkey=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 format.alpha=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 newsurf=SDL_ConvertSurface(pic, &format, SDL_SWSURFACE);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 if(!newsurf)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 SDL_FreeSurface(pic);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 pic=newsurf;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 /* Create the overlay */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 if ( overlay == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 overlay->hw_overlay?"hardware":"software",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 overlay->format==SDL_YV12_OVERLAY?"YV12":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 overlay->format==SDL_IYUV_OVERLAY?"IYUV":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 overlay->format==SDL_YUY2_OVERLAY?"YUY2":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 overlay->format==SDL_UYVY_OVERLAY?"UYVY":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 overlay->format==SDL_YVYU_OVERLAY?"YVYU":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 "Unknown");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 for(i=0; i<overlay->planes; i++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 /* Convert to YUV, and draw to the overlay */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 #ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 then = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 switch(overlay->format)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 case SDL_YV12_OVERLAY:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 ConvertRGBtoYV12(pic,overlay);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 case SDL_UYVY_OVERLAY:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 ConvertRGBtoUYVY(pic,overlay);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 case SDL_YVYU_OVERLAY:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 ConvertRGBtoYVYU(pic,overlay);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 case SDL_YUY2_OVERLAY:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 ConvertRGBtoYUY2(pic,overlay);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 case SDL_IYUV_OVERLAY:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 ConvertRGBtoIYUV(pic,overlay);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 default:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 printf("cannot convert RGB picture to obtained YUV format!\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 #ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 now = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 printf("Conversion Time: %d milliseconds\n", now-then);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 /* Do all the drawing work */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 #ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 then = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 Draw();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 #ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 now = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 printf("Time: %d milliseconds\n", now-then);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 #endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 SDL_Delay(delay*1000);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 return(0);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 }
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512