60 bt_receive(struct bt_config *cfg, void *ptr, int len, int use_delay)  in bt_receive()  argument
62 	struct sbc_header *phdr = (struct sbc_header *)cfg->mtu_data;  in bt_receive()
63 	struct sbc_encode *sbc = cfg->handle.sbc_enc;  in bt_receive()
73 	switch (cfg->blocks) {  in bt_receive()
88 	switch (cfg->bands) {  in bt_receive()
97 	if (cfg->chmode != MODE_MONO) {  in bt_receive()
119 			err = sbc_decode_frame(cfg, sbc->rem_data_len * 8);  in bt_receive()
126 		err = read(cfg->fd, cfg->mtu_data, cfg->mtu);  in bt_receive()
164 	struct bt_config *cfg = pbe->arg;  in bt_close()  local
166 	if (cfg->hc > 0) {  in bt_close()
167 		avdtpAbort(cfg->hc, cfg->sep);  in bt_close()
168 		avdtpClose(cfg->hc, cfg->sep);  in bt_close()
169 		close(cfg->hc);  in bt_close()
170 		cfg->hc = -1;  in bt_close()
172 	if (cfg->fd > 0) {  in bt_close()
173 		close(cfg->fd);  in bt_close()
174 		cfg->fd = -1;  in bt_close()
181 	struct bt_config *cfg = pbe->arg;  in bt_play_close()  local
183 	switch (cfg->codec) {  in bt_play_close()
185 		if (cfg->handle.sbc_enc == NULL)  in bt_play_close()
187 		free(cfg->handle.sbc_enc);  in bt_play_close()
188 		cfg->handle.sbc_enc = NULL;  in bt_play_close()
192 		if (cfg->handle.av.context == NULL)  in bt_play_close()
194 		av_free(cfg->rem_in_data);  in bt_play_close()
195 		av_frame_free(&cfg->handle.av.frame);  in bt_play_close()
196 		avcodec_close(cfg->handle.av.context);  in bt_play_close()
197 		avformat_free_context(cfg->handle.av.format);  in bt_play_close()
198 		cfg->handle.av.context = NULL;  in bt_play_close()
210 	struct bt_config *cfg = pbe->arg;  in bt_rec_close()  local
212 	switch (cfg->codec) {  in bt_rec_close()
363     int bufsize __unused, int *pchannels, int *pformat, struct bt_config *cfg,  in bt_open()  argument
393 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
394 		cfg->aacMode1 = 0x80;  in bt_open()
395 		cfg->aacMode2 = 0x0C;  in bt_open()
398 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
399 		cfg->aacMode1 = 0x40;  in bt_open()
400 		cfg->aacMode2 = 0x0C;  in bt_open()
403 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
404 		cfg->aacMode1 = 0x20;  in bt_open()
405 		cfg->aacMode2 = 0x0C;  in bt_open()
408 		cfg->freq = FREQ_16K;  in bt_open()
409 		cfg->aacMode1 = 0x10;  in bt_open()
410 		cfg->aacMode2 = 0x0C;  in bt_open()
413 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
414 		cfg->aacMode1 = 0x08;  in bt_open()
415 		cfg->aacMode2 = 0x0C;  in bt_open()
418 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
419 		cfg->aacMode1 = 0x04;  in bt_open()
420 		cfg->aacMode2 = 0x0C;  in bt_open()
423 		cfg->freq = FREQ_32K;  in bt_open()
424 		cfg->aacMode1 = 0x02;  in bt_open()
425 		cfg->aacMode2 = 0x0C;  in bt_open()
428 		cfg->freq = FREQ_44_1K;  in bt_open()
429 		cfg->aacMode1 = 0x01;  in bt_open()
430 		cfg->aacMode2 = 0x0C;  in bt_open()
433 		cfg->freq = FREQ_48K;  in bt_open()
434 		cfg->aacMode1 = 0;  in bt_open()
435 		cfg->aacMode2 = 0x8C;  in bt_open()
438 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
439 		cfg->aacMode1 = 0;  in bt_open()
440 		cfg->aacMode2 = 0x4C;  in bt_open()
443 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
444 		cfg->aacMode1 = 0;  in bt_open()
445 		cfg->aacMode2 = 0x2C;  in bt_open()
448 		cfg->freq = FREQ_UNDEFINED;  in bt_open()
449 		cfg->aacMode1 = 0;  in bt_open()
450 		cfg->aacMode2 = 0x1C;  in bt_open()
456 	cfg->bands = BANDS_8;  in bt_open()
457 	cfg->bitpool = 0;  in bt_open()
461 		cfg->aacMode2 &= 0xF8;  in bt_open()
462 		cfg->chmode = MODE_MONO;  in bt_open()
465 		cfg->aacMode2 &= 0xF4;  in bt_open()
466 		cfg->chmode = MODE_STEREO;  in bt_open()
470 	cfg->allocm = ALLOC_LOUDNESS;  in bt_open()
472 	if (cfg->chmode == MODE_MONO || cfg->chmode == MODE_DUAL)  in bt_open()
477 	if (cfg->bands == BANDS_8)  in bt_open()
485 	cfg->bitpool = tmpbitpool;  in bt_open()
497 	cfg->hc = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);  in bt_open()
498 	if (cfg->hc < 0) {  in bt_open()
507 	if (bind(cfg->hc, (struct sockaddr *)&addr, sizeof(addr)) < 0) {  in bt_open()
513 	if (connect(cfg->hc, (struct sockaddr *)&addr, sizeof(addr)) < 0) {  in bt_open()
517 	if (avdtpDiscoverAndConfig(cfg, isSink)) {  in bt_open()
521 	if (avdtpOpen(cfg->hc, cfg->sep)) {  in bt_open()
525 	cfg->fd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);  in bt_open()
526 	if (cfg->fd < 0) {  in bt_open()
536 	if (bind(cfg->fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {  in bt_open()
542 	if (connect(cfg->fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {  in bt_open()
547 		if (getsockopt(cfg->fd, SOL_L2CAP, SO_L2CAP_OMTU, &cfg->mtu, &mtusize) == -1) {  in bt_open()
551 		temp = cfg->mtu * 16;  in bt_open()
552 		if (setsockopt(cfg->fd, SOL_SOCKET, SO_SNDBUF, &temp, sizeof(temp)) == -1) {  in bt_open()
556 		temp = cfg->mtu;  in bt_open()
557 		if (setsockopt(cfg->fd, SOL_SOCKET, SO_SNDLOWAT, &temp, sizeof(temp)) == -1) {  in bt_open()
562 		if (getsockopt(cfg->fd, SOL_L2CAP, SO_L2CAP_IMTU, &cfg->mtu, &mtusize) == -1) {  in bt_open()
566 		temp = cfg->mtu * 16;  in bt_open()
567 		if (setsockopt(cfg->fd, SOL_SOCKET, SO_RCVBUF, &temp, sizeof(temp)) == -1) {  in bt_open()
572 		if (setsockopt(cfg->fd, SOL_SOCKET, SO_RCVLOWAT, &temp, sizeof(temp)) == -1) {  in bt_open()
577 		if (ioctl(cfg->fd, FIONBIO, &temp) == -1) {  in bt_open()
583 	if (avdtpStart(cfg->hc, cfg->sep)) {  in bt_open()
587 	switch (cfg->chmode) {  in bt_open()
598 	if (cfg->hc > 0) {  in bt_open()
599 		close(cfg->hc);  in bt_open()
600 		cfg->hc = -1;  in bt_open()
602 	if (cfg->fd > 0) {  in bt_open()
603 		close(cfg->fd);  in bt_open()
604 		cfg->fd = -1;  in bt_open()
610 bt_init_cfg(struct bt_config *cfg)  in bt_init_cfg()  argument
612 	memset(cfg, 0, sizeof(*cfg));  in bt_init_cfg()
619 	struct bt_config *cfg = pbe->arg;  in bt_rec_open()  local
622 	bt_init_cfg(cfg);  in bt_rec_open()
625 	    cfg, SDP_SERVICE_CLASS_AUDIO_SOURCE, 0);  in bt_rec_open()
635 	struct bt_config *cfg = pbe->arg;  in bt_play_open()  local
638 	bt_init_cfg(cfg);  in bt_play_open()
641 	    cfg, SDP_SERVICE_CLASS_AUDIO_SINK, 1);  in bt_play_open()
646 	switch (cfg->codec) {  in bt_play_open()
648 		cfg->handle.sbc_enc =  in bt_play_open()
649 		    malloc(sizeof(*cfg->handle.sbc_enc));  in bt_play_open()
650 		if (cfg->handle.sbc_enc == NULL)  in bt_play_open()
652 		memset(cfg->handle.sbc_enc, 0, sizeof(*cfg->handle.sbc_enc));  in bt_play_open()
656 		cfg->handle.av.codec = __DECONST(AVCodec *,  in bt_play_open()
658 		if (cfg->handle.av.codec == NULL) {  in bt_play_open()
662 		cfg->handle.av.format = avformat_alloc_context();  in bt_play_open()
663 		if (cfg->handle.av.format == NULL) {  in bt_play_open()
667 		cfg->handle.av.format->oformat =  in bt_play_open()
669 		if (cfg->handle.av.format->oformat == NULL) {  in bt_play_open()
673 		cfg->handle.av.stream = avformat_new_stream(  in bt_play_open()
674 		    cfg->handle.av.format, cfg->handle.av.codec);  in bt_play_open()
676 		if (cfg->handle.av.stream == NULL) {  in bt_play_open()
680 		cfg->handle.av.context = avcodec_alloc_context3(cfg->handle.av.codec);  in bt_play_open()
681 		if (cfg->handle.av.context == NULL) {  in bt_play_open()
685 		/*avcodec_get_context_defaults3(cfg->handle.av.context,*/  in bt_play_open()
686 		    /*cfg->handle.av.codec);*/  in bt_play_open()
688 		cfg->handle.av.context->bit_rate = 128000;  in bt_play_open()
689 		cfg->handle.av.context->sample_fmt = AV_SAMPLE_FMT_FLTP;  in bt_play_open()
690 		cfg->handle.av.context->sample_rate = samplerate;  in bt_play_open()
693 			cfg->handle.av.context->ch_layout = *(AVChannelLayout *)AV_CH_LAYOUT_MONO;  in bt_play_open()
696 			cfg->handle.av.context->ch_layout = *(AVChannelLayout *)AV_CH_LAYOUT_STEREO;  in bt_play_open()
700 		cfg->handle.av.context->profile = FF_PROFILE_AAC_LOW;  in bt_play_open()
707 			if (avcodec_open2(cfg->handle.av.context,  in bt_play_open()
708 			    cfg->handle.av.codec, &opts) < 0) {  in bt_play_open()
716 		cfg->handle.av.frame = av_frame_alloc();  in bt_play_open()
717 		if (cfg->handle.av.frame == NULL) {  in bt_play_open()
721 		cfg->handle.av.frame->nb_samples = cfg->handle.av.context->frame_size;  in bt_play_open()
722 		cfg->handle.av.frame->format = cfg->handle.av.context->sample_fmt;  in bt_play_open()
723 		cfg->handle.av.frame->ch_layout = cfg->handle.av.context->ch_layout;  in bt_play_open()
724 		cfg->rem_in_size = av_samples_get_buffer_size(NULL,  in bt_play_open()
725 		    cfg->handle.av.context->ch_layout.nb_channels,  in bt_play_open()
726 		    cfg->handle.av.context->frame_size,  in bt_play_open()
727 		    cfg->handle.av.context->sample_fmt, 0);  in bt_play_open()
729 		cfg->rem_in_data = av_malloc(cfg->rem_in_size);  in bt_play_open()
730 		if (cfg->rem_in_data == NULL) {  in bt_play_open()
732 			    (unsigned)cfg->rem_in_size);  in bt_play_open()
735 		retval = avcodec_fill_audio_frame(cfg->handle.av.frame,  in bt_play_open()
736 		    cfg->handle.av.context->ch_layout.nb_channels,  in bt_play_open()
737 		    cfg->handle.av.context->sample_fmt,  in bt_play_open()
738 		    cfg->rem_in_data, cfg->rem_in_size, 0);  in bt_play_open()
745 		av_free(cfg->rem_in_data);  in bt_play_open()
747 		av_frame_free(&cfg->handle.av.frame);  in bt_play_open()
749 		avcodec_close(cfg->handle.av.context);  in bt_play_open()
751 		avformat_free_context(cfg->handle.av.format);  in bt_play_open()
752 		cfg->handle.av.context = NULL;  in bt_play_open()
773 	struct bt_config *cfg = pbe->arg;  in bt_play_sbc_transfer()  local
774 	struct sbc_encode *sbc = cfg->handle.sbc_enc;  in bt_play_sbc_transfer()
779 	switch (cfg->blocks) {  in bt_play_sbc_transfer()
798 	switch (cfg->bands) {  in bt_play_sbc_transfer()
812 	if (cfg->chmode != MODE_MONO) {  in bt_play_sbc_transfer()
836 			struct sbc_header *phdr = (struct sbc_header *)cfg->mtu_data;  in bt_play_sbc_transfer()
840 			if (cfg->chmode == MODE_MONO)  in bt_play_sbc_transfer()
845 			pkt_len = sbc_encode_frame(cfg);  in bt_play_sbc_transfer()
848 			if (cfg->mtu_offset == 0) {  in bt_play_sbc_transfer()
851 				phdr->seqnumMSB = (uint8_t)(cfg->mtu_seqnumber >> 8);  in bt_play_sbc_transfer()
852 				phdr->seqnumLSB = (uint8_t)(cfg->mtu_seqnumber);  in bt_play_sbc_transfer()
853 				phdr->ts3 = (uint8_t)(cfg->mtu_timestamp >> 24);  in bt_play_sbc_transfer()
854 				phdr->ts2 = (uint8_t)(cfg->mtu_timestamp >> 16);  in bt_play_sbc_transfer()
855 				phdr->ts1 = (uint8_t)(cfg->mtu_timestamp >> 8);  in bt_play_sbc_transfer()
856 				phdr->ts0 = (uint8_t)(cfg->mtu_timestamp);  in bt_play_sbc_transfer()
860 				cfg->mtu_seqnumber++;  in bt_play_sbc_transfer()
861 				cfg->mtu_offset += sizeof(*phdr);  in bt_play_sbc_transfer()
864 			rem = cfg->mtu - cfg->mtu_offset;  in bt_play_sbc_transfer()
872 					xlen = write(cfg->fd, cfg->mtu_data, cfg->mtu_offset);  in bt_play_sbc_transfer()
878 				cfg->mtu_offset = 0;  in bt_play_sbc_transfer()
881 			memcpy(cfg->mtu_data + cfg->mtu_offset, sbc->data, pkt_len);  in bt_play_sbc_transfer()
883 			cfg->mtu_offset += pkt_len;  in bt_play_sbc_transfer()
884 			cfg->mtu_timestamp += sbc->framesamples;  in bt_play_sbc_transfer()
899 	struct bt_config *cfg = pbe->arg;  in bt_play_aac_transfer()  local
922 		if (delta > (int)(cfg->rem_in_size - cfg->rem_in_len))  in bt_play_aac_transfer()
923 			delta = (int)(cfg->rem_in_size - cfg->rem_in_len);  in bt_play_aac_transfer()
925 		memcpy(cfg->rem_in_data + cfg->rem_in_len, ptr, delta);  in bt_play_aac_transfer()
929 		cfg->rem_in_len += delta;  in bt_play_aac_transfer()
932 		if (cfg->rem_in_len == cfg->rem_in_size) {  in bt_play_aac_transfer()
933 			struct aac_header *phdr = (struct aac_header *)cfg->mtu_data;  in bt_play_aac_transfer()
939 			err = avcodec_send_frame(cfg->handle.av.context,  in bt_play_aac_transfer()
940 			    cfg->handle.av.frame);  in bt_play_aac_transfer()
947 			phdr->seqnumMSB = (uint8_t)(cfg->mtu_seqnumber >> 8);  in bt_play_aac_transfer()
948 			phdr->seqnumLSB = (uint8_t)(cfg->mtu_seqnumber);  in bt_play_aac_transfer()
949 			phdr->ts3 = (uint8_t)(cfg->mtu_timestamp >> 24);  in bt_play_aac_transfer()
950 			phdr->ts2 = (uint8_t)(cfg->mtu_timestamp >> 16);  in bt_play_aac_transfer()
951 			phdr->ts1 = (uint8_t)(cfg->mtu_timestamp >> 8);  in bt_play_aac_transfer()
952 			phdr->ts0 = (uint8_t)(cfg->mtu_timestamp);  in bt_play_aac_transfer()
966 			cfg->mtu_seqnumber++;  in bt_play_aac_transfer()
967 			cfg->mtu_offset = sizeof(*phdr);  in bt_play_aac_transfer()
970 			rem = cfg->mtu - cfg->mtu_offset;  in bt_play_aac_transfer()
972 			if (avio_open_dyn_buf(&cfg->handle.av.format->pb) == 0) {  in bt_play_aac_transfer()
976 					(void)avformat_write_header(cfg->handle.av.format, NULL);  in bt_play_aac_transfer()
977 				av_write_frame(cfg->handle.av.format, pkt);  in bt_play_aac_transfer()
979 				pkt_len = avio_close_dyn_buf(cfg->handle.av.format->pb, &pkt_buf);  in bt_play_aac_transfer()
985 					memcpy(cfg->mtu_data + cfg->mtu_offset, pkt_buf + 3, pkt_len - 3);  in bt_play_aac_transfer()
989 					cfg->mtu_offset += pkt_len - 3;  in bt_play_aac_transfer()
990 					if (cfg->chmode != MODE_MONO)  in bt_play_aac_transfer()
991 						cfg->mtu_timestamp += cfg->rem_in_size / 4;  in bt_play_aac_transfer()
993 						cfg->mtu_timestamp += cfg->rem_in_size / 2;  in bt_play_aac_transfer()
995 						xlen = write(cfg->fd, cfg->mtu_data, cfg->mtu_offset);  in bt_play_aac_transfer()
1007 			cfg->rem_in_len = 0;  in bt_play_aac_transfer()
1020 	struct bt_config *cfg = pbe->arg;  in bt_play_transfer()  local
1022 	switch (cfg->codec) {  in bt_play_transfer()