Function initBuf

util/fbxvtest.c:51–91

static void initBuf(fbxv_struct *fb, int id, int seed)
{
	int i, j, c;
	int yindex0, yindex1, uindex, vindex;

	switch(id)
	{
		case YUY2_PACKED:
			yindex0 = 0;  uindex = 1;  yindex1 = 2;  vindex = 3;  break;
		case UYVY_PACKED:
			uindex = 0;  yindex0 = 1;  vindex = 2;  yindex1 = 3;  break;
		default:
			yindex0 = yindex1 = uindex = vindex = 0;  break;
	}
	if(id == YUY2_PACKED || id == UYVY_PACKED)
	{
		for(j = 0; j < fb->xvi->height; j++)
		{
			for(i = 0; i < fb->xvi->width; i += 2)
			{
				fb->xvi->data[fb->xvi->pitches[0] * j + i * 2 + yindex0] =
					(j + seed) * (i + seed);
				fb->xvi->data[fb->xvi->pitches[0] * j + i * 2 + yindex1] =
					(j + seed + 1) * (i + seed + 1);
				fb->xvi->data[fb->xvi->pitches[0] * j + i * 2 + uindex] =
					(j + seed) * (i + seed);
				fb->xvi->data[fb->xvi->pitches[0] * j + i * 2 + vindex] =
					(j + seed) * (i + seed);
			}
		}
	}
	else
	{
		for(c = 0; c < fb->xvi->num_planes; c++)
			for(j = 0; j < fb->xvi->height; j++)
				for(i = 0; i < fb->xvi->width; i++)
					fb->xvi->data[fb->xvi->offsets[c] +
						fb->xvi->pitches[c] * (c == 0 ? j : j / 2) +
						(c == 0 ? i : i / 2)] = (j + seed) * (i + seed);
	}
}


static int doTest(int id, char *name)