1003  * uvc_video_decode_start is called with URB data at the start of a bulk or
1021  * uvc_video_decode_end is called with header data at the end of a bulk or
1206  * uvc_video_encode_data(). Only bulk transfers are currently supported.
1235 	nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size,  in uvc_video_encode_data()
1421 	if (urb->actual_length == 0 && stream->bulk.header_size == 0)  in uvc_video_decode_bulk()
1426 	stream->bulk.payload_size += len;  in uvc_video_decode_bulk()
1431 	if (stream->bulk.header_size == 0 && !stream->bulk.skip_payload) {  in uvc_video_decode_bulk()
1440 			stream->bulk.skip_payload = 1;  in uvc_video_decode_bulk()
1442 			memcpy(stream->bulk.header, mem, ret);  in uvc_video_decode_bulk()
1443 			stream->bulk.header_size = ret;  in uvc_video_decode_bulk()
1452 	/* The buffer queue might have been cancelled while a bulk transfer  in uvc_video_decode_bulk()
1458 	if (!stream->bulk.skip_payload && buf != NULL)  in uvc_video_decode_bulk()
1465 	    stream->bulk.payload_size >= stream->bulk.max_payload_size) {  in uvc_video_decode_bulk()
1466 		if (!stream->bulk.skip_payload && buf != NULL) {  in uvc_video_decode_bulk()
1467 			uvc_video_decode_end(stream, buf, stream->bulk.header,  in uvc_video_decode_bulk()
1468 				stream->bulk.payload_size);  in uvc_video_decode_bulk()
1473 		stream->bulk.header_size = 0;  in uvc_video_decode_bulk()
1474 		stream->bulk.skip_payload = 0;  in uvc_video_decode_bulk()
1475 		stream->bulk.payload_size = 0;  in uvc_video_decode_bulk()
1494 	if (stream->bulk.header_size == 0) {  in uvc_video_encode_bulk()
1496 		stream->bulk.header_size = ret;  in uvc_video_encode_bulk()
1497 		stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1505 	stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1509 	    stream->bulk.payload_size == stream->bulk.max_payload_size) {  in uvc_video_encode_bulk()
1518 		stream->bulk.header_size = 0;  in uvc_video_encode_bulk()
1519 		stream->bulk.payload_size = 0;  in uvc_video_encode_bulk()
1617  * Limit the buffer size to UVC_MAX_PACKETS bulk/isochronous packets. If the
1633 	/* Compute the number of packets. Bulk endpoints might transfer UVC  in uvc_alloc_urb_buffers()
1676  * Uninitialize isochronous/bulk URBs and free transfer buffers.
1787  * Initialize bulk URBs and allocate transfer buffers. The packet size is
1801 	stream->bulk.max_payload_size = size;  in uvc_init_video_bulk()
1840  * Initialize isochronous/bulk URBs and allocate transfer buffers.
1853 	stream->bulk.header_size = 0;  in uvc_video_start_transfer()
1854 	stream->bulk.skip_payload = 0;  in uvc_video_start_transfer()
1855 	stream->bulk.payload_size = 0;  in uvc_video_start_transfer()
1912 		/* Bulk endpoint, proceed to URB initialization. */  in uvc_video_start_transfer()
2150 		/* UVC doesn't specify how to inform a bulk-based device  in uvc_video_stop_streaming()
2153 		 * bulk endpoint, mimic the same behaviour.  in uvc_video_stop_streaming()