1111  * uvc_video_decode_start is called with URB data at the start of a bulk or
1129  * uvc_video_decode_end is called with header data at the end of a bulk or
1368  * uvc_video_encode_data(). Only bulk transfers are currently supported.
1397 	nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size,  in uvc_video_encode_data()
1586 	if (urb->actual_length == 0 && stream->bulk.header_size == 0)  in uvc_video_decode_bulk()
1591 	stream->bulk.payload_size += len;  in uvc_video_decode_bulk()
1597 	if (stream->bulk.header_size == 0 && !stream->bulk.skip_payload) {  in uvc_video_decode_bulk()
1606 			stream->bulk.skip_payload = 1;  in uvc_video_decode_bulk()
1608 			memcpy(stream->bulk.header, mem, ret);  in uvc_video_decode_bulk()
1609 			stream->bulk.header_size = ret;  in uvc_video_decode_bulk()
1619 	 * The buffer queue might have been cancelled while a bulk transfer  in uvc_video_decode_bulk()
1625 	if (!stream->bulk.skip_payload && buf != NULL)  in uvc_video_decode_bulk()
1633 	    stream->bulk.payload_size >= stream->bulk.max_payload_size) {  in uvc_video_decode_bulk()
1634 		if (!stream->bulk.skip_payload && buf != NULL) {  in uvc_video_decode_bulk()
1635 			uvc_video_decode_end(stream, buf, stream->bulk.header,  in uvc_video_decode_bulk()
1636 				stream->bulk.payload_size);  in uvc_video_decode_bulk()
1641 		stream->bulk.header_size = 0;  in uvc_video_decode_bulk()
1642 		stream->bulk.skip_payload = 0;  in uvc_video_decode_bulk()
1643 		stream->bulk.payload_size = 0;  in uvc_video_decode_bulk()
1662 	if (stream->bulk.header_size == 0) {  in uvc_video_encode_bulk()
1664 		stream->bulk.header_size = ret;  in uvc_video_encode_bulk()
1665 		stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1673 	stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1677 	    stream->bulk.payload_size == stream->bulk.max_payload_size) {  in uvc_video_encode_bulk()
1686 		stream->bulk.header_size = 0;  in uvc_video_encode_bulk()
1687 		stream->bulk.payload_size = 0;  in uvc_video_encode_bulk()
1816  * Limit the buffer size to UVC_MAX_PACKETS bulk/isochronous packets. If the
1833 	 * Compute the number of packets. Bulk endpoints might transfer UVC  in uvc_alloc_urb_buffers()
1870  * Uninitialize isochronous/bulk URBs and free transfer buffers.
1969  * Initialize bulk URBs and allocate transfer buffers. The packet size is
1983 	stream->bulk.max_payload_size = size;  in uvc_init_video_bulk()
2020  * Initialize isochronous/bulk URBs and allocate transfer buffers.
2033 	stream->bulk.header_size = 0;  in uvc_video_start_transfer()
2034 	stream->bulk.skip_payload = 0;  in uvc_video_start_transfer()
2035 	stream->bulk.payload_size = 0;  in uvc_video_start_transfer()
2105 		/* Bulk endpoint, proceed to URB initialization. */  in uvc_video_start_transfer()
2368 		 * UVC doesn't specify how to inform a bulk-based device  in uvc_video_stop_streaming()
2371 		 * bulk endpoint, mimic the same behaviour.  in uvc_video_stop_streaming()