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comparison src/video/SDL_yuv_sw.c @ 1965:a788656ca29a

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SDL constants are all uppercase.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 05 Aug 2006 17:09:42 +0000
parents 8a162bfdc838
children 07f084fe97d0
comparison
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1964:071b6598d48f 1965:a788656ca29a
973 b_2_pix_alloc[i + 512] = b_2_pix_alloc[511]; 973 b_2_pix_alloc[i + 512] = b_2_pix_alloc[511];
974 } 974 }
975 975
976 /* You have chosen wisely... */ 976 /* You have chosen wisely... */
977 switch (swdata->texture->format) { 977 switch (swdata->texture->format) {
978 case SDL_PixelFormat_YV12: 978 case SDL_PIXELFORMAT_YV12:
979 case SDL_PixelFormat_IYUV: 979 case SDL_PIXELFORMAT_IYUV:
980 if (SDL_BYTESPERPIXEL(target_format) == 2) { 980 if (SDL_BYTESPERPIXEL(target_format) == 2) {
981 #if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */ 981 #if 0 /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */
982 /* inline assembly functions */ 982 /* inline assembly functions */
983 if (SDL_HasMMX() && (Rmask == 0xF800) && 983 if (SDL_HasMMX() && (Rmask == 0xF800) &&
984 (Gmask == 0x07E0) && (Bmask == 0x001F) && (width & 15) == 0) { 984 (Gmask == 0x07E0) && (Bmask == 0x001F) && (width & 15) == 0) {
1013 swdata->Display1X = Color32DitherYV12Mod1X; 1013 swdata->Display1X = Color32DitherYV12Mod1X;
1014 #endif 1014 #endif
1015 swdata->Display2X = Color32DitherYV12Mod2X; 1015 swdata->Display2X = Color32DitherYV12Mod2X;
1016 } 1016 }
1017 break; 1017 break;
1018 case SDL_PixelFormat_YUY2: 1018 case SDL_PIXELFORMAT_YUY2:
1019 case SDL_PixelFormat_UYVY: 1019 case SDL_PIXELFORMAT_UYVY:
1020 case SDL_PixelFormat_YVYU: 1020 case SDL_PIXELFORMAT_YVYU:
1021 if (SDL_BYTESPERPIXEL(target_format) == 2) { 1021 if (SDL_BYTESPERPIXEL(target_format) == 2) {
1022 swdata->Display1X = Color16DitherYUY2Mod1X; 1022 swdata->Display1X = Color16DitherYUY2Mod1X;
1023 swdata->Display2X = Color16DitherYUY2Mod2X; 1023 swdata->Display2X = Color16DitherYUY2Mod2X;
1024 } 1024 }
1025 if (SDL_BYTESPERPIXEL(target_format) == 3) { 1025 if (SDL_BYTESPERPIXEL(target_format) == 3) {
1059 SDL_OutOfMemory(); 1059 SDL_OutOfMemory();
1060 return NULL; 1060 return NULL;
1061 } 1061 }
1062 1062
1063 switch (texture->format) { 1063 switch (texture->format) {
1064 case SDL_PixelFormat_YV12: 1064 case SDL_PIXELFORMAT_YV12:
1065 case SDL_PixelFormat_IYUV: 1065 case SDL_PIXELFORMAT_IYUV:
1066 case SDL_PixelFormat_YUY2: 1066 case SDL_PIXELFORMAT_YUY2:
1067 case SDL_PixelFormat_UYVY: 1067 case SDL_PIXELFORMAT_UYVY:
1068 case SDL_PixelFormat_YVYU: 1068 case SDL_PIXELFORMAT_YVYU:
1069 break; 1069 break;
1070 default: 1070 default:
1071 SDL_SetError("Unsupported YUV format"); 1071 SDL_SetError("Unsupported YUV format");
1072 return NULL; 1072 return NULL;
1073 } 1073 }
1074 1074
1075 swdata->texture = texture; 1075 swdata->texture = texture;
1076 swdata->target_format = SDL_PixelFormat_Unknown; 1076 swdata->target_format = SDL_PIXELFORMAT_UNKNOWN;
1077 swdata->pixels = (Uint8 *) SDL_malloc(texture->w * texture->h * 2); 1077 swdata->pixels = (Uint8 *) SDL_malloc(texture->w * texture->h * 2);
1078 swdata->colortab = (int *) SDL_malloc(4 * 256 * sizeof(int)); 1078 swdata->colortab = (int *) SDL_malloc(4 * 256 * sizeof(int));
1079 swdata->rgb_2_pix = (Uint32 *) SDL_malloc(3 * 768 * sizeof(Uint32)); 1079 swdata->rgb_2_pix = (Uint32 *) SDL_malloc(3 * 768 * sizeof(Uint32));
1080 if (!swdata->pixels || !swdata->colortab || !swdata->rgb_2_pix) { 1080 if (!swdata->pixels || !swdata->colortab || !swdata->rgb_2_pix) {
1081 SDL_OutOfMemory(); 1081 SDL_OutOfMemory();
1099 Cb_b_tab[i] = (int) ((0.587 / 0.331) * CB); 1099 Cb_b_tab[i] = (int) ((0.587 / 0.331) * CB);
1100 } 1100 }
1101 1101
1102 /* Find the pitch and offset values for the overlay */ 1102 /* Find the pitch and offset values for the overlay */
1103 switch (texture->format) { 1103 switch (texture->format) {
1104 case SDL_PixelFormat_YV12: 1104 case SDL_PIXELFORMAT_YV12:
1105 case SDL_PixelFormat_IYUV: 1105 case SDL_PIXELFORMAT_IYUV:
1106 swdata->pitches[0] = texture->w; 1106 swdata->pitches[0] = texture->w;
1107 swdata->pitches[1] = swdata->pitches[0] / 2; 1107 swdata->pitches[1] = swdata->pitches[0] / 2;
1108 swdata->pitches[2] = swdata->pitches[0] / 2; 1108 swdata->pitches[2] = swdata->pitches[0] / 2;
1109 swdata->planes[0] = swdata->pixels; 1109 swdata->planes[0] = swdata->pixels;
1110 swdata->planes[1] = 1110 swdata->planes[1] =
1111 swdata->planes[0] + swdata->pitches[0] * texture->h; 1111 swdata->planes[0] + swdata->pitches[0] * texture->h;
1112 swdata->planes[2] = 1112 swdata->planes[2] =
1113 swdata->planes[1] + swdata->pitches[1] * texture->h / 2; 1113 swdata->planes[1] + swdata->pitches[1] * texture->h / 2;
1114 break; 1114 break;
1115 case SDL_PixelFormat_YUY2: 1115 case SDL_PIXELFORMAT_YUY2:
1116 case SDL_PixelFormat_UYVY: 1116 case SDL_PIXELFORMAT_UYVY:
1117 case SDL_PixelFormat_YVYU: 1117 case SDL_PIXELFORMAT_YVYU:
1118 swdata->pitches[0] = texture->w * 2; 1118 swdata->pitches[0] = texture->w * 2;
1119 swdata->planes[0] = swdata->pixels; 1119 swdata->planes[0] = swdata->pixels;
1120 break; 1120 break;
1121 default: 1121 default:
1122 /* We should never get here (caught above) */ 1122 /* We should never get here (caught above) */
1141 const void *pixels, int pitch) 1141 const void *pixels, int pitch)
1142 { 1142 {
1143 SDL_Texture *texture = swdata->texture; 1143 SDL_Texture *texture = swdata->texture;
1144 1144
1145 switch (texture->format) { 1145 switch (texture->format) {
1146 case SDL_PixelFormat_YV12: 1146 case SDL_PIXELFORMAT_YV12:
1147 case SDL_PixelFormat_IYUV: 1147 case SDL_PIXELFORMAT_IYUV:
1148 if (rect 1148 if (rect
1149 && (rect->x != 0 || rect->y != 0 || rect->w != texture->w 1149 && (rect->x != 0 || rect->y != 0 || rect->w != texture->w
1150 || rect->h != texture->h)) { 1150 || rect->h != texture->h)) {
1151 SDL_SetError 1151 SDL_SetError
1152 ("YV12 and IYUV textures only support full surface updates"); 1152 ("YV12 and IYUV textures only support full surface updates");
1153 return -1; 1153 return -1;
1154 } 1154 }
1155 SDL_memcpy(swdata->pixels, pixels, texture->h * texture->w * 2); 1155 SDL_memcpy(swdata->pixels, pixels, texture->h * texture->w * 2);
1156 break; 1156 break;
1157 case SDL_PixelFormat_YUY2: 1157 case SDL_PIXELFORMAT_YUY2:
1158 case SDL_PixelFormat_UYVY: 1158 case SDL_PIXELFORMAT_UYVY:
1159 case SDL_PixelFormat_YVYU: 1159 case SDL_PIXELFORMAT_YVYU:
1160 { 1160 {
1161 Uint8 *src, *dst; 1161 Uint8 *src, *dst;
1162 int row; 1162 int row;
1163 size_t length; 1163 size_t length;
1164 1164
1183 int markDirty, void **pixels, int *pitch) 1183 int markDirty, void **pixels, int *pitch)
1184 { 1184 {
1185 SDL_Texture *texture = swdata->texture; 1185 SDL_Texture *texture = swdata->texture;
1186 1186
1187 switch (texture->format) { 1187 switch (texture->format) {
1188 case SDL_PixelFormat_YV12: 1188 case SDL_PIXELFORMAT_YV12:
1189 case SDL_PixelFormat_IYUV: 1189 case SDL_PIXELFORMAT_IYUV:
1190 if (rect 1190 if (rect
1191 && (rect->x != 0 || rect->y != 0 || rect->w != texture->w 1191 && (rect->x != 0 || rect->y != 0 || rect->w != texture->w
1192 || rect->h != texture->h)) { 1192 || rect->h != texture->h)) {
1193 SDL_SetError 1193 SDL_SetError
1194 ("YV12 and IYUV textures only support full surface locks"); 1194 ("YV12 and IYUV textures only support full surface locks");
1275 } 1275 }
1276 pixels = swdata->stretch->pixels; 1276 pixels = swdata->stretch->pixels;
1277 pitch = swdata->stretch->pitch; 1277 pitch = swdata->stretch->pitch;
1278 } 1278 }
1279 switch (texture->format) { 1279 switch (texture->format) {
1280 case SDL_PixelFormat_YV12: 1280 case SDL_PIXELFORMAT_YV12:
1281 lum = swdata->planes[0]; 1281 lum = swdata->planes[0];
1282 Cr = swdata->planes[1]; 1282 Cr = swdata->planes[1];
1283 Cb = swdata->planes[2]; 1283 Cb = swdata->planes[2];
1284 break; 1284 break;
1285 case SDL_PixelFormat_IYUV: 1285 case SDL_PIXELFORMAT_IYUV:
1286 lum = swdata->planes[0]; 1286 lum = swdata->planes[0];
1287 Cr = swdata->planes[2]; 1287 Cr = swdata->planes[2];
1288 Cb = swdata->planes[1]; 1288 Cb = swdata->planes[1];
1289 break; 1289 break;
1290 case SDL_PixelFormat_YUY2: 1290 case SDL_PIXELFORMAT_YUY2:
1291 lum = swdata->planes[0]; 1291 lum = swdata->planes[0];
1292 Cr = lum + 3; 1292 Cr = lum + 3;
1293 Cb = lum + 1; 1293 Cb = lum + 1;
1294 break; 1294 break;
1295 case SDL_PixelFormat_UYVY: 1295 case SDL_PIXELFORMAT_UYVY:
1296 lum = swdata->planes[0] + 1; 1296 lum = swdata->planes[0] + 1;
1297 Cr = lum + 1; 1297 Cr = lum + 1;
1298 Cb = lum - 1; 1298 Cb = lum - 1;
1299 break; 1299 break;
1300 case SDL_PixelFormat_YVYU: 1300 case SDL_PIXELFORMAT_YVYU:
1301 lum = swdata->planes[0]; 1301 lum = swdata->planes[0];
1302 Cr = lum + 1; 1302 Cr = lum + 1;
1303 Cb = lum + 3; 1303 Cb = lum + 3;
1304 break; 1304 break;
1305 default: 1305 default: