48 #define	SYNCWORD	0x9c
49 #define	ABS(x)		(((x) < 0) ? -(x) : (x))
55 	{-2, 0, 0, 0, 0, 0, 0, 1},
56 	{-3, 0, 0, 0, 0, 0, 1, 2},
57 	{-4, 0, 0, 0, 0, 0, 1, 2},
58 	{-4, 0, 0, 0, 0, 0, 1, 2},
62 	{-1, 0, 0, 0},
63 	{-2, 0, 0, 1},
64 	{-2, 0, 0, 1},
65 	{-2, 0, 0, 1},
79 	joint = 0;  in calc_scalefactors_joint()
80 	for (sb = 0; sb != sbc->bands - 1; sb++) {  in calc_scalefactors_joint()
81 		for (block = 0; block < sbc->blocks; block++) {  in calc_scalefactors_joint()
82 			sb_j[block][0] = (sbc->samples[block][0][sb] +  in calc_scalefactors_joint()
84 			sb_j[block][1] = (sbc->samples[block][0][sb] -  in calc_scalefactors_joint()
90 		for (block = 0; block < sbc->blocks; block++) {  in calc_scalefactors_joint()
91 			x |= (uint32_t)ABS(sb_j[block][0]);  in calc_scalefactors_joint()
109 		if ((sbc->scalefactor[0][sb] + sbc->scalefactor[1][sb]) > x + y) {  in calc_scalefactors_joint()
111 			sbc->scalefactor[0][sb] = x;  in calc_scalefactors_joint()
113 			for (block = 0; block < sbc->blocks; block++) {  in calc_scalefactors_joint()
114 				sbc->samples[block][0][sb] = sb_j[block][0];  in calc_scalefactors_joint()
129 	for (ch = 0; ch != sbc->channels; ch++) {  in calc_scalefactors()
130 		for (sb = 0; sb != sbc->bands; sb++) {  in calc_scalefactors()
134 			for (block = 0; block != sbc->blocks; block++)  in calc_scalefactors()
154 	int ch, sb, start_chan = 0;  in calc_bitneed()
160 	max_bitneed = 0;  in calc_bitneed()
161 	bitcount = 0;  in calc_bitneed()
162 	slicecount = 0;  in calc_bitneed()
166 			for (sb = 0; sb < sbc->bands; sb++) {  in calc_bitneed()
175 			for (sb = 0; sb < sbc->bands; sb++) {  in calc_bitneed()
176 				if (sbc->scalefactor[ch][sb] == 0) {  in calc_bitneed()
186 					if (loudness > 0)  in calc_bitneed()
197 	slicecount = bitcount = 0;  in calc_bitneed()
202 		slicecount = 0;  in calc_bitneed()
204 			for (sb = 0; sb < sbc->bands; sb++) {  in calc_bitneed()
220 		for (sb = 0; sb < sbc->bands; sb++) {  in calc_bitneed()
222 				sbc->bits[ch][sb] = 0;  in calc_bitneed()
234 		ch = 0;  in calc_bitneed()
235 	sb = 0;  in calc_bitneed()
248 			ch = 0;  in calc_bitneed()
257 		ch = 0;  in calc_bitneed()
258 	sb = 0;  in calc_bitneed()
267 			ch = 0;  in calc_bitneed()
273 	if (cfg->chmode == MODE_DUAL && start_chan == 0) {  in calc_bitneed()
288 			sbc->crc ^= 0x80;  in sbc_store_bits_crc()
291 		if (sbc->crc & 0x100)  in sbc_store_bits_crc()
292 			sbc->crc ^= 0x11d;	/* CRC-8 polynomial */  in sbc_store_bits_crc()
322 	for (block = 0; block < sbc->blocks; block++) {  in sbc_encode()
324 		for (i = 0; i < sbc->bands; i++) {  in sbc_encode()
330 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_encode()
333 			if (chan == 0) {  in sbc_encode()
344 			k = 0;  in sbc_encode()
345 			for (i = sbc->bands - 1; i >= 0; i--)  in sbc_encode()
347 			for (i = 0; i < sbc->bands * 10; i++) {  in sbc_encode()
353 			for (i = 0; i < sbc->bands * 2; i++) {  in sbc_encode()
354 				Y[i] = 0;  in sbc_encode()
355 				for (k = 0; k < 5; k++)  in sbc_encode()
358 			for (i = 0; i < sbc->bands; i++) {  in sbc_encode()
359 				S = 0;  in sbc_encode()
360 				for (k = 0; k < sbc->bands * 2; k++) {  in sbc_encode()
377 		sbc->join = 0;  in sbc_encode()
381 	for (chan = 0; chan < sbc->channels; chan++) {  in sbc_encode()
382 		for (sb = 0; sb < sbc->bands; sb++) {  in sbc_encode()
383 			if (sbc->bits[chan][sb] == 0)  in sbc_encode()
393 	numsamples = 0;  in sbc_encode()
394 	for (block = 0; block < sbc->blocks; block++) {  in sbc_encode()
395 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_encode()
396 			for (sb = 0; sb < sbc->bands; sb++) {  in sbc_encode()
397 				if (sbc->bits[chan][sb] == 0)  in sbc_encode()
437 	for (chan = 0; chan < sbc->channels; chan++) {  in sbc_decode()
438 		for (sb = 0; sb < sbc->bands; sb++) {  in sbc_decode()
444 	i = 0;  in sbc_decode()
445 	for (block = 0; block < sbc->blocks; block++) {  in sbc_decode()
446 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_decode()
447 			for (sb = 0; sb < sbc->bands; sb++) {  in sbc_decode()
448 				if (sbc->bits[chan][sb] == 0) {  in sbc_decode()
449 					audioout = 0;  in sbc_decode()
461 		i = 0;  in sbc_decode()
463 			for (sb = 0; sb < sbc->bands; sb++) {  in sbc_decode()
479 	position = 0;  in sbc_decode()
480 	for (block = 0; block < sbc->blocks; block++) {  in sbc_decode()
481 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_decode()
483 			if (chan == 0) {  in sbc_decode()
490 			for (i = 0; i < sbc->bands; i++)  in sbc_decode()
495 			for (k = 0; k < sbc->bands * 2; k++) {  in sbc_decode()
496 				float vk = 0;  in sbc_decode()
497 				for (i = 0; i < sbc->bands; i++) {  in sbc_decode()
506 			for (i = 0; i <= 4; i++) {  in sbc_decode()
507 				for (k = 0; k < sbc->bands; k++) {  in sbc_decode()
516 			for (i = 0; i < sbc->bands * 10; i++) {  in sbc_decode()
522 					W[i] = 0;  in sbc_decode()
526 			for (k = 0; k < sbc->bands; k++) {  in sbc_decode()
529 				X[offset] = 0;  in sbc_decode()
530 				for (i = 0; i < 10; i++) {  in sbc_decode()
542 	for (i = 0, k = 0; k != (sbc->blocks * sbc->bands); k++) {  in sbc_decode()
566 	sbc->crc = 0x5e;  in sbc_encode_frame()
569 	sbc->bitoffset = 0;  in sbc_encode_frame()
585 	for (i = 0; i < sbc->channels; i++) {  in sbc_encode_frame()
586 		for (j = 0; j < sbc->bands; j++)  in sbc_encode_frame()
591 	sbc->data[3] = (sbc->crc & 0xFF);  in sbc_encode_frame()
593 	i = 0;  in sbc_encode_frame()
594 	for (block = 0; block < sbc->blocks; block++) {  in sbc_encode_frame()
595 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_encode_frame()
596 			for (sb = 0; sb < sbc->bands; sb++) {  in sbc_encode_frame()
597 				if (sbc->bits[chan][sb] == 0)  in sbc_encode_frame()
611 	uint32_t value = 0;  in sbc_load_bits_crc()
616 			sbc->crc ^= 0x80;  in sbc_load_bits_crc()
619 		if (sbc->crc & 0x100)  in sbc_load_bits_crc()
620 			sbc->crc ^= 0x11d;	/* CRC-8 polynomial */  in sbc_load_bits_crc()
639 	sbc->rem_off = 0;  in sbc_decode_frame()
640 	sbc->rem_len = 0;  in sbc_decode_frame()
646 	sbc->crc = 0x5e;  in sbc_decode_frame()
649 	sbc->bitoffset = 0;  in sbc_decode_frame()
654 		return (0);  in sbc_decode_frame()
656 		return (0);  in sbc_decode_frame()
658 		return (0);  in sbc_decode_frame()
669 			sbc->join = 0;  in sbc_decode_frame()
671 		sbc->join = 0;  in sbc_decode_frame()
674 	for (i = 0; i < sbc->channels; i++) {  in sbc_decode_frame()
675 		for (j = 0; j < sbc->bands; j++)  in sbc_decode_frame()
681 	i = 0;  in sbc_decode_frame()
682 	for (block = 0; block < sbc->blocks; block++) {  in sbc_decode_frame()
683 		for (chan = 0; chan < sbc->channels; chan++) {  in sbc_decode_frame()
684 			for (sb = 0; sb < sbc->bands; sb++) {  in sbc_decode_frame()
685 				if (sbc->bits[chan][sb] == 0) {  in sbc_decode_frame()
697 	sbc->rem_off = 0;  in sbc_decode_frame()