4    (C) 2004-2006  Luc Saillard (luc@saillard.org)
24  *   0: use a C version of this tests:  {  a<0?0:(a>255?255:a) }
260 	{4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4,},
262 	{4, 5, 5, 4, 4, 5, 5, 4, 4, 5, 5, 4, 4, 5, 5, 4,},
268 	{4, 5, 5, 4, 5, 4, 4, 5, 5, 4, 4, 5, 4, 5, 5, 4,},
304 		version = cmd[2] >> 5;  in pwc_dec23_init()
353 	const int *c = src;  in copy_image_block_Y()  local
356 	*d++ = cm[c[0] >> scalebits];  in copy_image_block_Y()
357 	*d++ = cm[c[1] >> scalebits];  in copy_image_block_Y()
358 	*d++ = cm[c[2] >> scalebits];  in copy_image_block_Y()
359 	*d++ = cm[c[3] >> scalebits];  in copy_image_block_Y()
362 	*d++ = cm[c[4] >> scalebits];  in copy_image_block_Y()
363 	*d++ = cm[c[5] >> scalebits];  in copy_image_block_Y()
364 	*d++ = cm[c[6] >> scalebits];  in copy_image_block_Y()
365 	*d++ = cm[c[7] >> scalebits];  in copy_image_block_Y()
368 	*d++ = cm[c[8] >> scalebits];  in copy_image_block_Y()
369 	*d++ = cm[c[9] >> scalebits];  in copy_image_block_Y()
370 	*d++ = cm[c[10] >> scalebits];  in copy_image_block_Y()
371 	*d++ = cm[c[11] >> scalebits];  in copy_image_block_Y()
374 	*d++ = cm[c[12] >> scalebits];  in copy_image_block_Y()
375 	*d++ = cm[c[13] >> scalebits];  in copy_image_block_Y()
376 	*d++ = cm[c[14] >> scalebits];  in copy_image_block_Y()
377 	*d++ = cm[c[15] >> scalebits];  in copy_image_block_Y()
380 	const int *c = src;  in copy_image_block_Y()
382 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
383 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
386 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
387 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
390 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
391 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
394 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
395 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
408 	const int *c = src;  in copy_image_block_CrCb()  local
411 	*d++ = cm[c[0] >> scalebits];  in copy_image_block_CrCb()
412 	*d++ = cm[c[4] >> scalebits];  in copy_image_block_CrCb()
413 	*d++ = cm[c[1] >> scalebits];  in copy_image_block_CrCb()
414 	*d++ = cm[c[5] >> scalebits];  in copy_image_block_CrCb()
415 	*d++ = cm[c[2] >> scalebits];  in copy_image_block_CrCb()
416 	*d++ = cm[c[6] >> scalebits];  in copy_image_block_CrCb()
417 	*d++ = cm[c[3] >> scalebits];  in copy_image_block_CrCb()
418 	*d++ = cm[c[7] >> scalebits];  in copy_image_block_CrCb()
421 	*d++ = cm[c[12] >> scalebits];  in copy_image_block_CrCb()
422 	*d++ = cm[c[8] >> scalebits];  in copy_image_block_CrCb()
423 	*d++ = cm[c[13] >> scalebits];  in copy_image_block_CrCb()
424 	*d++ = cm[c[9] >> scalebits];  in copy_image_block_CrCb()
425 	*d++ = cm[c[14] >> scalebits];  in copy_image_block_CrCb()
426 	*d++ = cm[c[10] >> scalebits];  in copy_image_block_CrCb()
427 	*d++ = cm[c[15] >> scalebits];  in copy_image_block_CrCb()
428 	*d++ = cm[c[11] >> scalebits];  in copy_image_block_CrCb()