2    Decompression for chipset version 2 et 3
3    (C) 2004-2006  Luc Saillard (luc@saillard.org)
36  *   0: use a C version of this tests:  {  a<0?0:(a>255?255:a) }
119 				else if (k >= 1 && k < 3)  in build_table_color()
121 				else if (k >= 3 && k < 6)  in build_table_color()
128 					bit = (r[0] >> 3) & 7;  in build_table_color()
140 				p0[k + 0x20] = (3 * pw) + 0x80;  in build_table_color()
144 				p0[k + 0x60] = (-3 * pw) + 0x80;  in build_table_color()
176  *   elif look_bits(3) == 7:	# op == 1 in the lookup table
177  *      skip_bits(3)
270 	{0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3,},
271 	{0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3,},
275 	{1, 3, 0, 2, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3, 0, 2,},
276 	{0, 3, 3, 0, 1, 2, 2, 1, 2, 1, 1, 2, 3, 0, 0, 3,},
277 	{0, 1, 2, 3, 3, 2, 1, 0, 3, 2, 1, 0, 0, 1, 2, 3,},
278 	{1, 1, 1, 1, 3, 3, 3, 3, 0, 0, 0, 0, 2, 2, 2, 2,},
282 	{1, 3, 0, 2, 2, 0, 3, 1, 2, 0, 3, 1, 1, 3, 0, 2,},
283 	{1, 2, 2, 1, 3, 0, 0, 3, 0, 3, 3, 0, 2, 1, 1, 2,},
330 		version = cmd[2] >> 3;  in pwc_dec23_init()
365 	const int *c = src;  in copy_image_block_Y()  local
368 	*d++ = cm[c[0] >> scalebits];  in copy_image_block_Y()
369 	*d++ = cm[c[1] >> scalebits];  in copy_image_block_Y()
370 	*d++ = cm[c[2] >> scalebits];  in copy_image_block_Y()
371 	*d++ = cm[c[3] >> scalebits];  in copy_image_block_Y()
374 	*d++ = cm[c[4] >> scalebits];  in copy_image_block_Y()
375 	*d++ = cm[c[5] >> scalebits];  in copy_image_block_Y()
376 	*d++ = cm[c[6] >> scalebits];  in copy_image_block_Y()
377 	*d++ = cm[c[7] >> scalebits];  in copy_image_block_Y()
380 	*d++ = cm[c[8] >> scalebits];  in copy_image_block_Y()
381 	*d++ = cm[c[9] >> scalebits];  in copy_image_block_Y()
382 	*d++ = cm[c[10] >> scalebits];  in copy_image_block_Y()
383 	*d++ = cm[c[11] >> scalebits];  in copy_image_block_Y()
385 	d = dst + bytes_per_line*3;  in copy_image_block_Y()
386 	*d++ = cm[c[12] >> scalebits];  in copy_image_block_Y()
387 	*d++ = cm[c[13] >> scalebits];  in copy_image_block_Y()
388 	*d++ = cm[c[14] >> scalebits];  in copy_image_block_Y()
389 	*d++ = cm[c[15] >> scalebits];  in copy_image_block_Y()
392 	const int *c = src;  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()
398 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
399 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
402 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
403 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
405 	d = dst + bytes_per_line*3;  in copy_image_block_Y()
406 	for (i = 0; i < 4; i++, c++)  in copy_image_block_Y()
407 		*d++ = CLAMP((*c) >> scalebits);  in copy_image_block_Y()
420 	const int *c = src;  in copy_image_block_CrCb()  local
423 	*d++ = cm[c[0] >> scalebits];  in copy_image_block_CrCb()
424 	*d++ = cm[c[4] >> scalebits];  in copy_image_block_CrCb()
425 	*d++ = cm[c[1] >> scalebits];  in copy_image_block_CrCb()
426 	*d++ = cm[c[5] >> scalebits];  in copy_image_block_CrCb()
427 	*d++ = cm[c[2] >> scalebits];  in copy_image_block_CrCb()
428 	*d++ = cm[c[6] >> scalebits];  in copy_image_block_CrCb()
429 	*d++ = cm[c[3] >> scalebits];  in copy_image_block_CrCb()
430 	*d++ = cm[c[7] >> scalebits];  in copy_image_block_CrCb()
433 	*d++ = cm[c[12] >> scalebits];  in copy_image_block_CrCb()
434 	*d++ = cm[c[8] >> scalebits];  in copy_image_block_CrCb()
435 	*d++ = cm[c[13] >> scalebits];  in copy_image_block_CrCb()
436 	*d++ = cm[c[9] >> scalebits];  in copy_image_block_CrCb()
437 	*d++ = cm[c[14] >> scalebits];  in copy_image_block_CrCb()
438 	*d++ = cm[c[10] >> scalebits];  in copy_image_block_CrCb()
439 	*d++ = cm[c[15] >> scalebits];  in copy_image_block_CrCb()
440 	*d++ = cm[c[11] >> scalebits];  in copy_image_block_CrCb()
523 	__get_nbits(pdec, 3, channel_v);  in decode_block()
557 			skip_nbits(pdec, 3);  in decode_block()
578 			 * offset1 is coded on 3 bits  in decode_block()
585 			rows = ptable0004[offset1 + hash_table_ops [htable_idx * 4 + 3]];  in decode_block()