1 /*********************************************************************** 2 * Copyright (c) 2002 Marcus Overhagen. All Rights Reserved. 3 * This file may be used under the terms of the OpenBeOS License. 4 * 5 * The object returned by BMediaRoster's 6 * BTimeSource * MakeTimeSourceFor(const media_node & for_node); 7 * 8 ***********************************************************************/ 9 10 #include <OS.h> 11 #include <stdio.h> 12 #include <MediaRoster.h> 13 #include "MediaMisc.h" 14 #include "TimeSourceObject.h" 15 #include "TimeSourceObjectManager.h" 16 17 TimeSourceObject::TimeSourceObject(const media_node &node) 18 : BMediaNode("some timesource object", node.node, node.kind), 19 BTimeSource(node.node) 20 { 21 TRACE("TimeSourceObject::TimeSourceObject enter, id = %ld\n", node.node); 22 if (fControlPort > 0) 23 delete_port(fControlPort); 24 25 // we use the control port of the real time source object. 26 // this way, all messages are send to the real time source, 27 // and this shadow object won't receive any. 28 fControlPort = node.port; 29 ASSERT(fNodeID == node.node); 30 ASSERT(fKinds == node.kind); 31 32 if (node.node == NODE_SYSTEM_TIMESOURCE_ID) { 33 strcpy(fName, "System Clock"); 34 fIsRealtime = true; 35 } else { 36 live_node_info lni; 37 if (B_OK == BMediaRoster::Roster()->GetLiveNodeInfo(node, &lni)) { 38 strcpy(fName, lni.name); 39 } else { 40 sprintf(fName, "timesource %ld", node.node); 41 } 42 } 43 44 AddNodeKind(NODE_KIND_SHADOW_TIMESOURCE); 45 AddNodeKind(NODE_KIND_NO_REFCOUNTING); 46 47 TRACE("TimeSourceObject::TimeSourceObject leave, node id %ld\n", fNodeID); 48 } 49 50 /* virtual */ status_t 51 TimeSourceObject::TimeSourceOp( 52 const time_source_op_info & op, 53 void * _reserved) 54 { 55 // we don't get anything here 56 return B_OK; 57 } 58 59 /* virtual */ BMediaAddOn* 60 TimeSourceObject::AddOn(int32 *internal_id) const 61 { 62 if (internal_id) 63 *internal_id = 0; 64 return NULL; 65 } 66 67 /* virtual */ status_t 68 TimeSourceObject::DeleteHook(BMediaNode *node) 69 { 70 status_t status; 71 // if (fIsRealtime) { 72 // ERROR("TimeSourceObject::DeleteHook: system time source clone delete hook called\n"); 73 // return B_ERROR; 74 // } 75 printf("TimeSourceObject::DeleteHook enter\n"); 76 _TimeSourceObjectManager->ObjectDeleted(this); 77 status = BTimeSource::DeleteHook(node); 78 printf("TimeSourceObject::DeleteHook leave\n"); 79 return status; 80 } 81 82