Mercurial > sdl-ios-xcode
annotate test/testoverlay.c @ 937:1e6366bde299
Date: Tue, 27 Jul 2004 17:14:00 +0200
From: "Eckhard Stolberg"
Subject: Controller names in SDL for Windows
I'm working on an Atari 2600 emulator for different systems that uses
the SDL. Some time ago someone created an adaptor that lets you use
your old Atari controllers with your computer through the USB port.
Some of the Atari controllers require special handling by the emulator,
so it would be nice, if it would be possible to detect if any of the
controllers connected to the computer is this adaptor.
SDL would allow that with the SDL_JoystickName function, but unfortunately
it doesn't work properly on Windows. On Linux and MacOSX this function
returns the name of the controller, but on Windows you'll only get the
name of the joystick driver. Most joysticks nowadays use the generic
Microsoft driver, so they all return the same name.
In an old MSDN article
(http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/dnarinput/html/msdn_extdirect.asp)
Microsoft describes how to read out the OEM controller names from the registry.
I have implemented this for the SDL controller handler on Windows,
and now reading the joystick name works properly there too.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 21 Aug 2004 03:45:58 +0000 |
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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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12 #define WINDOW_WIDTH 640 |
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13 #define WINDOW_HEIGHT 480 |
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14 |
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15 #include "SDL.h" |
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16 |
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17 SDL_Surface *screen, *pic; |
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18 SDL_Overlay *overlay; |
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19 int scale; |
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20 int monochrome; |
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21 int luminance; |
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22 int w, h; |
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23 |
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24 /* NOTE: These RGB conversion functions are not intended for speed, |
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25 only as examples. |
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26 */ |
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27 |
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28 void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance) |
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29 { |
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30 int i; |
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31 |
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32 if (monochrome) |
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33 { |
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34 #if 1 /* these are the two formulas that I found on the FourCC site... */ |
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35 yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; |
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36 yuv[1] = 128; |
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37 yuv[2] = 128; |
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38 #else |
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39 yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; |
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40 yuv[1] = 128; |
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41 yuv[2] = 128; |
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42 #endif |
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43 } |
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44 else |
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45 { |
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46 #if 1 /* these are the two formulas that I found on the FourCC site... */ |
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47 yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; |
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48 yuv[1] = (rgb[2]-yuv[0])*0.565 + 128; |
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49 yuv[2] = (rgb[0]-yuv[0])*0.713 + 128; |
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50 #else |
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51 yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; |
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52 yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]); |
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53 yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]); |
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54 #endif |
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55 } |
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56 |
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57 if (luminance!=100) |
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58 { |
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59 yuv[0]=yuv[0]*luminance/100; |
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60 if (yuv[0]>255) |
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61 yuv[0]=255; |
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62 } |
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63 |
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64 /* clamp values...if you need to, we don't seem to have a need */ |
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65 /* |
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66 for(i=0;i<3;i++) |
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67 { |
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68 if(yuv[i]<0) |
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69 yuv[i]=0; |
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70 if(yuv[i]>255) |
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71 yuv[i]=255; |
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72 } |
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73 */ |
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74 } |
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75 |
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76 ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
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77 { |
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78 int x,y; |
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79 int yuv[3]; |
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80 Uint8 *p,*op[3]; |
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81 |
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82 SDL_LockSurface(s); |
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83 SDL_LockYUVOverlay(o); |
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84 |
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85 /* Black initialization */ |
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86 /* |
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87 memset(o->pixels[0],0,o->pitches[0]*o->h); |
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88 memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); |
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89 memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); |
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90 */ |
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91 |
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92 /* Convert */ |
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93 for(y=0; y<s->h && y<o->h; y++) |
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94 { |
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95 p=((Uint8 *) s->pixels)+s->pitch*y; |
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96 op[0]=o->pixels[0]+o->pitches[0]*y; |
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97 op[1]=o->pixels[1]+o->pitches[1]*(y/2); |
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98 op[2]=o->pixels[2]+o->pitches[2]*(y/2); |
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99 for(x=0; x<s->w && x<o->w; x++) |
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100 { |
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101 RGBtoYUV(p, yuv, monochrome, luminance); |
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102 *(op[0]++)=yuv[0]; |
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103 if(x%2==0 && y%2==0) |
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104 { |
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105 *(op[1]++)=yuv[2]; |
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106 *(op[2]++)=yuv[1]; |
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107 } |
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108 p+=s->format->BytesPerPixel; |
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109 } |
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110 } |
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111 |
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112 SDL_UnlockYUVOverlay(o); |
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113 SDL_UnlockSurface(s); |
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114 } |
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115 |
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116 ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
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117 { |
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118 int x,y; |
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119 int yuv[3]; |
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120 Uint8 *p,*op[3]; |
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121 |
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122 SDL_LockSurface(s); |
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123 SDL_LockYUVOverlay(o); |
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124 |
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125 /* Black initialization */ |
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126 /* |
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127 memset(o->pixels[0],0,o->pitches[0]*o->h); |
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128 memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2)); |
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129 memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2)); |
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130 */ |
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131 |
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132 /* Convert */ |
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133 for(y=0; y<s->h && y<o->h; y++) |
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134 { |
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135 p=((Uint8 *) s->pixels)+s->pitch*y; |
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136 op[0]=o->pixels[0]+o->pitches[0]*y; |
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137 op[1]=o->pixels[1]+o->pitches[1]*(y/2); |
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138 op[2]=o->pixels[2]+o->pitches[2]*(y/2); |
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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, monochrome, luminance); |
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142 *(op[0]++)=yuv[0]; |
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143 if(x%2==0 && y%2==0) |
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144 { |
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145 *(op[1]++)=yuv[1]; |
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146 *(op[2]++)=yuv[2]; |
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147 } |
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148 p+=s->format->BytesPerPixel; |
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149 } |
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150 } |
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151 |
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152 SDL_UnlockYUVOverlay(o); |
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153 SDL_UnlockSurface(s); |
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154 } |
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155 |
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156 ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
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157 { |
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158 int x,y; |
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159 int yuv[3]; |
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160 Uint8 *p,*op; |
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161 |
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162 SDL_LockSurface(s); |
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163 SDL_LockYUVOverlay(o); |
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164 |
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165 for(y=0; y<s->h && y<o->h; y++) |
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166 { |
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167 p=((Uint8 *) s->pixels)+s->pitch*y; |
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168 op=o->pixels[0]+o->pitches[0]*y; |
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169 for(x=0; x<s->w && x<o->w; x++) |
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170 { |
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171 RGBtoYUV(p, yuv, monochrome, luminance); |
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172 if(x%2==0) |
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173 { |
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174 *(op++)=yuv[1]; |
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175 *(op++)=yuv[0]; |
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176 *(op++)=yuv[2]; |
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177 } |
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178 else |
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179 *(op++)=yuv[0]; |
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180 |
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181 p+=s->format->BytesPerPixel; |
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182 } |
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183 } |
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184 |
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185 SDL_UnlockYUVOverlay(o); |
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186 SDL_UnlockSurface(s); |
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187 } |
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188 |
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189 ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
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190 { |
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191 int x,y; |
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192 int yuv[3]; |
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193 Uint8 *p,*op; |
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194 |
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195 SDL_LockSurface(s); |
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196 SDL_LockYUVOverlay(o); |
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197 |
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198 for(y=0; y<s->h && y<o->h; y++) |
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199 { |
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200 p=((Uint8 *) s->pixels)+s->pitch*y; |
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201 op=o->pixels[0]+o->pitches[0]*y; |
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202 for(x=0; x<s->w && x<o->w; x++) |
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203 { |
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204 RGBtoYUV(p,yuv, monochrome, luminance); |
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205 if(x%2==0) |
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206 { |
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207 *(op++)=yuv[0]; |
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208 *(op++)=yuv[2]; |
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209 op[1]=yuv[1]; |
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210 } |
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211 else |
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212 { |
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213 *op=yuv[0]; |
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214 op+=2; |
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215 } |
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216 |
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217 p+=s->format->BytesPerPixel; |
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218 } |
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219 } |
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220 |
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221 SDL_UnlockYUVOverlay(o); |
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222 SDL_UnlockSurface(s); |
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223 } |
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224 |
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225 ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
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226 { |
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227 int x,y; |
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228 int yuv[3]; |
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229 Uint8 *p,*op; |
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230 |
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231 SDL_LockSurface(s); |
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232 SDL_LockYUVOverlay(o); |
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233 |
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234 for(y=0; y<s->h && y<o->h; y++) |
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235 { |
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236 p=((Uint8 *) s->pixels)+s->pitch*y; |
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237 op=o->pixels[0]+o->pitches[0]*y; |
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238 for(x=0; x<s->w && x<o->w; x++) |
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239 { |
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240 RGBtoYUV(p,yuv, monochrome, luminance); |
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241 if(x%2==0) |
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242 { |
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243 *(op++)=yuv[0]; |
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244 *(op++)=yuv[1]; |
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245 op[1]=yuv[2]; |
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246 } |
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247 else |
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248 { |
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249 *op=yuv[0]; |
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250 op+=2; |
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251 } |
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252 |
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253 p+=s->format->BytesPerPixel; |
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254 } |
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255 } |
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256 |
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257 SDL_UnlockYUVOverlay(o); |
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258 SDL_UnlockSurface(s); |
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259 } |
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260 |
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261 void Draw() |
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262 { |
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263 SDL_Rect rect; |
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264 int i; |
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265 int disp; |
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266 |
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267 if(!scale) |
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268 { |
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269 rect.w=overlay->w; |
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270 rect.h=overlay->h; |
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271 for(i=0; i<h-rect.h && i<w-rect.w; i++) |
277
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272 { |
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273 rect.x=i; |
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274 rect.y=i; |
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275 SDL_DisplayYUVOverlay(overlay,&rect); |
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276 } |
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277 } |
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278 else |
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279 { |
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280 rect.w=overlay->w/2; |
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281 rect.h=overlay->h/2; |
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282 rect.x=(w-rect.w)/2; |
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283 rect.y=(h-rect.h)/2; |
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284 disp=rect.y-1; |
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285 for(i=0; i<disp; i++) |
277
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286 { |
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287 rect.w+=2; |
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288 rect.h+=2; |
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289 rect.x--; |
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290 rect.y--; |
277
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291 SDL_DisplayYUVOverlay(overlay,&rect); |
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292 } |
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293 } |
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294 printf("Displayed %d times.\n",i); |
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295 } |
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296 |
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297 static void PrintUsage(char *argv0) |
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298 { |
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299 fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0); |
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300 fprintf(stderr, "Where 'arg' is one of:\n"); |
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301 fprintf(stderr, " -delay <seconds>\n"); |
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302 fprintf(stderr, " -width <pixels>\n"); |
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303 fprintf(stderr, " -height <pixels>\n"); |
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304 fprintf(stderr, " -bpp <bits>\n"); |
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305 fprintf(stderr, " -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n"); |
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306 fprintf(stderr, " -hw\n"); |
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307 fprintf(stderr, " -flip\n"); |
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308 fprintf(stderr, " -scale (test scaling features, from 50%% upto window size)\n"); |
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309 fprintf(stderr, " -mono (use monochromatic RGB2YUV conversion)\n"); |
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310 fprintf(stderr, " -lum <perc> (use luminance correction during RGB2YUV conversion,\n"); |
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311 fprintf(stderr, " from 0%% to unlimited, normal is 100%%)\n"); |
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312 fprintf(stderr, " -help (shows this help)\n"); |
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313 fprintf(stderr, " -fullscreen (test overlay in fullscreen mode)\n"); |
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314 } |
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315 |
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316 int main(int argc, char **argv) |
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317 { |
603 | 318 char *argv0 = argv[0]; |
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319 int flip; |
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320 int delay; |
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321 int desired_bpp; |
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322 Uint32 video_flags, overlay_format; |
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323 char *bmpfile; |
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324 #ifdef BENCHMARK_SDL |
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325 Uint32 then, now; |
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326 #endif |
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327 int i; |
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328 |
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329 /* Set default options and check command-line */ |
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330 flip = 0; |
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331 scale=0; |
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332 monochrome=0; |
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333 luminance=100; |
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334 delay = 1; |
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335 w = WINDOW_WIDTH; |
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336 h = WINDOW_HEIGHT; |
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337 desired_bpp = 0; |
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338 video_flags = 0; |
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339 overlay_format = SDL_YV12_OVERLAY; |
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340 |
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341 while ( argc > 1 ) { |
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342 if ( strcmp(argv[1], "-delay") == 0 ) { |
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343 if ( argv[2] ) { |
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344 delay = atoi(argv[2]); |
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345 argv += 2; |
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346 argc -= 2; |
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347 } else { |
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348 fprintf(stderr, |
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349 "The -delay option requires an argument\n"); |
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350 exit(1); |
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351 } |
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352 } else |
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353 if ( strcmp(argv[1], "-width") == 0 ) { |
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354 if ( argv[2] && ((w = atoi(argv[2])) > 0) ) { |
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355 argv += 2; |
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356 argc -= 2; |
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357 } else { |
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358 fprintf(stderr, |
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359 "The -width option requires an argument\n"); |
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360 exit(1); |
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361 } |
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362 } else |
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363 if ( strcmp(argv[1], "-height") == 0 ) { |
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364 if ( argv[2] && ((h = atoi(argv[2])) > 0) ) { |
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365 argv += 2; |
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366 argc -= 2; |
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367 } else { |
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368 fprintf(stderr, |
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369 "The -height option requires an argument\n"); |
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370 exit(1); |
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371 } |
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372 } else |
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373 if ( strcmp(argv[1], "-bpp") == 0 ) { |
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374 if ( argv[2] ) { |
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375 desired_bpp = atoi(argv[2]); |
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376 argv += 2; |
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377 argc -= 2; |
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378 } else { |
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379 fprintf(stderr, |
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380 "The -bpp option requires an argument\n"); |
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381 exit(1); |
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382 } |
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383 } else |
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384 if ( strcmp(argv[1], "-lum") == 0 ) { |
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385 if ( argv[2] ) { |
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386 luminance = atoi(argv[2]); |
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387 argv += 2; |
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388 argc -= 2; |
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389 } else { |
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390 fprintf(stderr, |
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391 "The -lum option requires an argument\n"); |
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392 exit(1); |
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393 } |
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394 } else |
277
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395 if ( strcmp(argv[1], "-format") == 0 ) { |
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396 if ( argv[2] ) { |
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397 if(!strcmp(argv[2],"YV12")) |
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398 overlay_format = SDL_YV12_OVERLAY; |
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399 else if(!strcmp(argv[2],"IYUV")) |
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400 overlay_format = SDL_IYUV_OVERLAY; |
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401 else if(!strcmp(argv[2],"YUY2")) |
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402 overlay_format = SDL_YUY2_OVERLAY; |
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403 else if(!strcmp(argv[2],"UYVY")) |
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404 overlay_format = SDL_UYVY_OVERLAY; |
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405 else if(!strcmp(argv[2],"YVYU")) |
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406 overlay_format = SDL_YVYU_OVERLAY; |
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407 else |
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|
408 { |
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409 fprintf(stderr, "The -format option %s is not recognized\n",argv[2]); |
255c7ee077cb
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|
410 exit(1); |
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diff
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|
411 } |
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Added a YUV overlay test program (thanks Jon!)
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diff
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|
412 argv += 2; |
255c7ee077cb
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|
413 argc -= 2; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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parents:
diff
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|
414 } else { |
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Added a YUV overlay test program (thanks Jon!)
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parents:
diff
changeset
|
415 fprintf(stderr, |
255c7ee077cb
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parents:
diff
changeset
|
416 "The -format option requires an argument\n"); |
255c7ee077cb
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417 exit(1); |
255c7ee077cb
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|
418 } |
255c7ee077cb
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|
419 } else |
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420 if ( strcmp(argv[1], "-hw") == 0 ) { |
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421 video_flags |= SDL_HWSURFACE; |
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422 argv += 1; |
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423 argc -= 1; |
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|
424 } else |
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425 if ( strcmp(argv[1], "-flip") == 0 ) { |
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426 video_flags |= SDL_DOUBLEBUF; |
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427 argv += 1; |
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428 argc -= 1; |
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|
429 } else |
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430 if ( strcmp(argv[1], "-scale") == 0 ) { |
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431 scale = 1; |
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432 argv += 1; |
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433 argc -= 1; |
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|
434 } else |
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435 if ( strcmp(argv[1], "-mono") == 0 ) { |
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436 monochrome = 1; |
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437 argv += 1; |
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438 argc -= 1; |
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439 } else |
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|
440 if (( strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0)) { |
603 | 441 PrintUsage(argv0); |
569
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442 exit(1); |
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443 } else |
277
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444 if ( strcmp(argv[1], "-fullscreen") == 0 ) { |
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diff
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|
445 video_flags |= SDL_FULLSCREEN; |
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Added a YUV overlay test program (thanks Jon!)
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diff
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|
446 argv += 1; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
447 argc -= 1; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
448 } else |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
449 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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parents:
diff
changeset
|
450 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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parents:
diff
changeset
|
451 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
452 fprintf(stderr, |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
453 "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
|
454 exit(1); |
255c7ee077cb
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
455 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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diff
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|
456 atexit(SDL_Quit); /* Clean up on exit */ |
255c7ee077cb
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parents:
diff
changeset
|
457 |
255c7ee077cb
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
458 /* Initialize the display */ |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
459 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
|
460 if ( screen == NULL ) { |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
461 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
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|
462 w, h, desired_bpp, SDL_GetError()); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
463 exit(1); |
255c7ee077cb
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
464 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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parents:
diff
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|
465 printf("Set%s %dx%dx%d mode\n", |
255c7ee077cb
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parents:
diff
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|
466 screen->flags & SDL_FULLSCREEN ? " fullscreen" : "", |
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parents:
diff
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|
467 screen->w, screen->h, screen->format->BitsPerPixel); |
255c7ee077cb
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parents:
diff
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|
468 printf("(video surface located in %s memory)\n", |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
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parents:
diff
changeset
|
469 (screen->flags&SDL_HWSURFACE) ? "video" : "system"); |
255c7ee077cb
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parents:
diff
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|
470 if ( screen->flags & SDL_DOUBLEBUF ) { |
255c7ee077cb
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parents:
diff
changeset
|
471 printf("Double-buffering enabled\n"); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
472 flip = 1; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
473 } |
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 /* Set the window manager title bar */ |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
476 SDL_WM_SetCaption("SDL test overlay", "testoverlay"); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
477 |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
478 /* Load picture */ |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
479 bmpfile=(argv[1]?argv[1]:"sample.bmp"); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
480 pic = SDL_LoadBMP(bmpfile); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
481 if ( pic == NULL ) { |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
482 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
|
483 SDL_GetError()); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
484 exit(1); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
485 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
486 |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
487 /* 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
|
488 { |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
489 SDL_Surface *newsurf; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
490 SDL_PixelFormat format; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
491 |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
492 format.palette=NULL; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
493 format.BitsPerPixel=32; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
494 format.BytesPerPixel=4; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
495 #if SDL_BYTEORDER == SDL_LIL_ENDIAN |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
496 format.Rshift=0; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
497 format.Gshift=8; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
498 format.Bshift=16; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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499 #else |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
500 format.Rshift=24; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
501 format.Gshift=16; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
502 format.Bshift=8; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
503 #endif |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
504 format.Ashift=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
505 format.Rmask=0xff<<format.Rshift; |
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Sam Lantinga <slouken@libsdl.org>
parents:
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506 format.Gmask=0xff<<format.Gshift; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
507 format.Bmask=0xff<<format.Bshift; |
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Added a YUV overlay test program (thanks Jon!)
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parents:
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508 format.Amask=0; |
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Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
509 format.Rloss=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
510 format.Gloss=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
511 format.Bloss=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
512 format.Aloss=8; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
513 format.colorkey=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
514 format.alpha=0; |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
515 |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
516 newsurf=SDL_ConvertSurface(pic, &format, SDL_SWSURFACE); |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
517 if(!newsurf) |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
518 { |
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Sam Lantinga <slouken@libsdl.org>
parents:
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|
519 fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
520 SDL_GetError()); |
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parents:
diff
changeset
|
521 exit(1); |
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parents:
diff
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|
522 } |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
523 SDL_FreeSurface(pic); |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
524 pic=newsurf; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
525 } |
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parents:
diff
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|
526 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
527 /* Create the overlay */ |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
528 overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen); |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
529 if ( overlay == NULL ) { |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
530 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
|
531 exit(1); |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
532 } |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
533 printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes, |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
534 overlay->hw_overlay?"hardware":"software", |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
535 overlay->format==SDL_YV12_OVERLAY?"YV12": |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
536 overlay->format==SDL_IYUV_OVERLAY?"IYUV": |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
537 overlay->format==SDL_YUY2_OVERLAY?"YUY2": |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
538 overlay->format==SDL_UYVY_OVERLAY?"UYVY": |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
539 overlay->format==SDL_YVYU_OVERLAY?"YVYU": |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
540 "Unknown"); |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
541 for(i=0; i<overlay->planes; i++) |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
542 { |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
543 printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]); |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
544 } |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
545 |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
546 /* Convert to YUV, and draw to the overlay */ |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
547 #ifdef BENCHMARK_SDL |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
548 then = SDL_GetTicks(); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
549 #endif |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
550 switch(overlay->format) |
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Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
551 { |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
552 case SDL_YV12_OVERLAY: |
569
e8063c656626
Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
277
diff
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|
553 ConvertRGBtoYV12(pic,overlay,monochrome,luminance); |
277
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
554 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
555 case SDL_UYVY_OVERLAY: |
569
e8063c656626
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parents:
277
diff
changeset
|
556 ConvertRGBtoUYVY(pic,overlay,monochrome,luminance); |
277
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
557 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
558 case SDL_YVYU_OVERLAY: |
569
e8063c656626
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Sam Lantinga <slouken@libsdl.org>
parents:
277
diff
changeset
|
559 ConvertRGBtoYVYU(pic,overlay,monochrome,luminance); |
277
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
560 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
561 case SDL_YUY2_OVERLAY: |
569
e8063c656626
Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents:
277
diff
changeset
|
562 ConvertRGBtoYUY2(pic,overlay,monochrome,luminance); |
277
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
563 break; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
564 case SDL_IYUV_OVERLAY: |
569
e8063c656626
Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
277
diff
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|
565 ConvertRGBtoIYUV(pic,overlay,monochrome,luminance); |
277
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
566 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
567 default: |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
568 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
|
569 exit(1); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
570 break; |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
571 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
572 #ifdef BENCHMARK_SDL |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
573 now = SDL_GetTicks(); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
574 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
|
575 #endif |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
576 |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
577 /* Do all the drawing work */ |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
578 #ifdef BENCHMARK_SDL |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
579 then = SDL_GetTicks(); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
580 #endif |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
581 Draw(); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
582 #ifdef BENCHMARK_SDL |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
583 now = SDL_GetTicks(); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
584 printf("Time: %d milliseconds\n", now-then); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
585 #endif |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
586 SDL_Delay(delay*1000); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
587 return(0); |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
588 } |
255c7ee077cb
Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
589 |