The YV12 image isn't w*h*2, it's actually w*h + w*h/4 + w*h/4

The YV12 image isn't wh2, it's actually wh + wh/4 + w*h/4
5fc9a80e · Sam Lantinga · ba0ff6d7 · 5fc9a80e
Commit 5fc9a80e authored Feb 12, 2011 by Sam Lantinga
Show whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

SDL_yuv_sw.c src/render/SDL_yuv_sw.c +2 -1

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--- a/src/render/SDL_yuv_sw.c
+++ b/src/render/SDL_yuv_sw.c
@@ -1127,7 +1127,8 @@ SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
                ("YV12 and IYUV textures only support full surface updates");
            return -1;
        }
-        SDL_memcpy(swdata->pixels, pixels, swdata->h * swdata->w * 2);
+        SDL_memcpy(swdata->pixels, pixels,
+                   (swdata->h * swdata->w) + (swdata->h * swdata->w) / 2);
        break;
    case SDL_PIXELFORMAT_YUY2:
    case SDL_PIXELFORMAT_UYVY: