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comparison src/video/quartz/SDL_QuartzYUV.m @ 3871:4d11f2ae7582 SDL-1.2

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Fixed bug #276 PlanarPixmapInfoYUV420 is a big endian structure. Fix contributed by Jean-Charles BERTIN
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Sep 2006 00:04:06 +0000
parents eed7a3f396ce
children a1b03ba2fcd0
comparison
equal deleted inserted replaced
3870:571c75f3d093 3871:4d11f2ae7582
272 if (pixels == NULL || pitches == NULL) { 272 if (pixels == NULL || pitches == NULL) {
273 SDL_OutOfMemory(); 273 SDL_OutOfMemory();
274 return NULL; 274 return NULL;
275 } 275 }
276 276
277 /* Fix: jc.bertin@free.fr
278 PlanarPixmapInfoYUV420 is a big-endian struct */
277 yuv_pixmap = (PlanarPixmapInfoYUV420*) 279 yuv_pixmap = (PlanarPixmapInfoYUV420*)
278 SDL_malloc (sizeof(PlanarPixmapInfoYUV420) + 280 SDL_malloc (sizeof(PlanarPixmapInfoYUV420) +
279 (width * height * 2)); 281 (width * height * 2));
280 if (yuv_pixmap == NULL) { 282 if (yuv_pixmap == NULL) {
281 SDL_OutOfMemory (); 283 SDL_OutOfMemory ();
289 291
290 pixels[0] = (Uint8*)yuv_pixmap + offset; 292 pixels[0] = (Uint8*)yuv_pixmap + offset;
291 /* CHECK_ALIGN(pixels[0]); */ 293 /* CHECK_ALIGN(pixels[0]); */
292 294
293 pitches[0] = width; 295 pitches[0] = width;
294 yuv_pixmap->componentInfoY.offset = offset; 296 yuv_pixmap->componentInfoY.offset = EndianS32_NtoB(offset);
295 yuv_pixmap->componentInfoY.rowBytes = width; 297 yuv_pixmap->componentInfoY.rowBytes = EndianU32_NtoB(width);
296 298
297 offset += width * height; 299 offset += width * height;
298 pixels[plane2] = (Uint8*)yuv_pixmap + offset; 300 pixels[plane2] = (Uint8*)yuv_pixmap + offset;
299 pitches[plane2] = width / 2; 301 pitches[plane2] = width / 2;
300 yuv_pixmap->componentInfoCb.offset = offset; 302 yuv_pixmap->componentInfoCb.offset = EndianS32_NtoB(offset);
301 yuv_pixmap->componentInfoCb.rowBytes = width / 2; 303 yuv_pixmap->componentInfoCb.rowBytes = EndianU32_NtoB(width / 2);
302 304
303 offset += (width * height / 4); 305 offset += (width * height / 4);
304 pixels[plane3] = (Uint8*)yuv_pixmap + offset; 306 pixels[plane3] = (Uint8*)yuv_pixmap + offset;
305 pitches[plane3] = width / 2; 307 pitches[plane3] = width / 2;
306 yuv_pixmap->componentInfoCr.offset = offset; 308 yuv_pixmap->componentInfoCr.offset = EndianS32_NtoB(offset);
307 yuv_pixmap->componentInfoCr.rowBytes = width / 2; 309 yuv_pixmap->componentInfoCr.rowBytes = EndianU32_NtoB(width / 2);
308 310
309 overlay->pixels = pixels; 311 overlay->pixels = pixels;
310 overlay->pitches = pitches; 312 overlay->pitches = pitches;
311 } 313 }
312 314