971  * uvc_video_decode_start is called with URB data at the start of a bulk or
989  * uvc_video_decode_end is called with header data at the end of a bulk or
1174  * uvc_video_encode_data(). Only bulk transfers are currently supported.
1203 	nbytes = min(stream->bulk.max_payload_size - stream->bulk.payload_size,  in uvc_video_encode_data()
1389 	if (urb->actual_length == 0 && stream->bulk.header_size == 0)  in uvc_video_decode_bulk()
1394 	stream->bulk.payload_size += len;  in uvc_video_decode_bulk()
1399 	if (stream->bulk.header_size == 0 && !stream->bulk.skip_payload) {  in uvc_video_decode_bulk()
1408 			stream->bulk.skip_payload = 1;  in uvc_video_decode_bulk()
1410 			memcpy(stream->bulk.header, mem, ret);  in uvc_video_decode_bulk()
1411 			stream->bulk.header_size = ret;  in uvc_video_decode_bulk()
1420 	/* The buffer queue might have been cancelled while a bulk transfer  in uvc_video_decode_bulk()
1426 	if (!stream->bulk.skip_payload && buf != NULL)  in uvc_video_decode_bulk()
1433 	    stream->bulk.payload_size >= stream->bulk.max_payload_size) {  in uvc_video_decode_bulk()
1434 		if (!stream->bulk.skip_payload && buf != NULL) {  in uvc_video_decode_bulk()
1435 			uvc_video_decode_end(stream, buf, stream->bulk.header,  in uvc_video_decode_bulk()
1436 				stream->bulk.payload_size);  in uvc_video_decode_bulk()
1441 		stream->bulk.header_size = 0;  in uvc_video_decode_bulk()
1442 		stream->bulk.skip_payload = 0;  in uvc_video_decode_bulk()
1443 		stream->bulk.payload_size = 0;  in uvc_video_decode_bulk()
1462 	if (stream->bulk.header_size == 0) {  in uvc_video_encode_bulk()
1464 		stream->bulk.header_size = ret;  in uvc_video_encode_bulk()
1465 		stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1473 	stream->bulk.payload_size += ret;  in uvc_video_encode_bulk()
1477 	    stream->bulk.payload_size == stream->bulk.max_payload_size) {  in uvc_video_encode_bulk()
1486 		stream->bulk.header_size = 0;  in uvc_video_encode_bulk()
1487 		stream->bulk.payload_size = 0;  in uvc_video_encode_bulk()
1585  * Limit the buffer size to UVC_MAX_PACKETS bulk/isochronous packets. If the
1601 	/* Compute the number of packets. Bulk endpoints might transfer UVC  in uvc_alloc_urb_buffers()
1644  * Uninitialize isochronous/bulk URBs and free transfer buffers.
1755  * Initialize bulk URBs and allocate transfer buffers. The packet size is
1769 	stream->bulk.max_payload_size = size;  in uvc_init_video_bulk()
1808  * Initialize isochronous/bulk URBs and allocate transfer buffers.
1821 	stream->bulk.header_size = 0;  in uvc_video_start_transfer()
1822 	stream->bulk.skip_payload = 0;  in uvc_video_start_transfer()
1823 	stream->bulk.payload_size = 0;  in uvc_video_start_transfer()
1880 		/* Bulk endpoint, proceed to URB initialization. */  in uvc_video_start_transfer()
2114 		/* UVC doesn't specify how to inform a bulk-based device  in uvc_video_stop_streaming()
2117 		 * bulk endpoint, mimic the same behaviour.  in uvc_video_stop_streaming()