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comparison src/video/SDL_yuv_sw.c @ 2786:6bacfecbf27e

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author Sam Lantinga <slouken@libsdl.org>
date Tue, 25 Nov 2008 02:21:53 +0000
parents 5651642f4a78
children 9e7ce3069096
comparison
equal deleted inserted replaced
2785:fa1095d42a5b 2786:6bacfecbf27e
89 #include "SDL_yuv_sw_c.h" 89 #include "SDL_yuv_sw_c.h"
90 90
91 91
92 struct SDL_SW_YUVTexture 92 struct SDL_SW_YUVTexture
93 { 93 {
94 Uint32 format; 94 Uint32 format;
95 Uint32 target_format; 95 Uint32 target_format;
96 int w, h; 96 int w, h;
97 Uint8 *pixels; 97 Uint8 *pixels;
98 int *colortab; 98 int *colortab;
99 Uint32 *rgb_2_pix; 99 Uint32 *rgb_2_pix;
100 void (*Display1X) (int *colortab, Uint32 * rgb_2_pix, 100 void (*Display1X) (int *colortab, Uint32 * rgb_2_pix,
101 unsigned char *lum, unsigned char *cr, 101 unsigned char *lum, unsigned char *cr,
1073 return NULL; 1073 return NULL;
1074 } 1074 }
1075 1075
1076 swdata->format = format; 1076 swdata->format = format;
1077 swdata->target_format = SDL_PIXELFORMAT_UNKNOWN; 1077 swdata->target_format = SDL_PIXELFORMAT_UNKNOWN;
1078 swdata->w = w; 1078 swdata->w = w;
1079 swdata->h = h; 1079 swdata->h = h;
1080 swdata->pixels = (Uint8 *) SDL_malloc(w * h * 2); 1080 swdata->pixels = (Uint8 *) SDL_malloc(w * h * 2);
1081 swdata->colortab = (int *) SDL_malloc(4 * 256 * sizeof(int)); 1081 swdata->colortab = (int *) SDL_malloc(4 * 256 * sizeof(int));
1082 swdata->rgb_2_pix = (Uint32 *) SDL_malloc(3 * 768 * sizeof(Uint32)); 1082 swdata->rgb_2_pix = (Uint32 *) SDL_malloc(3 * 768 * sizeof(Uint32));
1083 if (!swdata->pixels || !swdata->colortab || !swdata->rgb_2_pix) { 1083 if (!swdata->pixels || !swdata->colortab || !swdata->rgb_2_pix) {
1084 SDL_OutOfMemory(); 1084 SDL_OutOfMemory();
1108 case SDL_PIXELFORMAT_IYUV: 1108 case SDL_PIXELFORMAT_IYUV:
1109 swdata->pitches[0] = w; 1109 swdata->pitches[0] = w;
1110 swdata->pitches[1] = swdata->pitches[0] / 2; 1110 swdata->pitches[1] = swdata->pitches[0] / 2;
1111 swdata->pitches[2] = swdata->pitches[0] / 2; 1111 swdata->pitches[2] = swdata->pitches[0] / 2;
1112 swdata->planes[0] = swdata->pixels; 1112 swdata->planes[0] = swdata->pixels;
1113 swdata->planes[1] = 1113 swdata->planes[1] = swdata->planes[0] + swdata->pitches[0] * h;
1114 swdata->planes[0] + swdata->pitches[0] * h; 1114 swdata->planes[2] = swdata->planes[1] + swdata->pitches[1] * h / 2;
1115 swdata->planes[2] =
1116 swdata->planes[1] + swdata->pitches[1] * h / 2;
1117 break; 1115 break;
1118 case SDL_PIXELFORMAT_YUY2: 1116 case SDL_PIXELFORMAT_YUY2:
1119 case SDL_PIXELFORMAT_UYVY: 1117 case SDL_PIXELFORMAT_UYVY:
1120 case SDL_PIXELFORMAT_YVYU: 1118 case SDL_PIXELFORMAT_YVYU:
1121 swdata->pitches[0] = w * 2; 1119 swdata->pitches[0] = w * 2;