1 /* 2 * Copyright 2002 Marcus Overhagen. All Rights Reserved. 3 * This file may be used under the terms of the MIT License. 4 */ 5 6 7 /*! The object returned by BMediaRoster's 8 MakeTimeSourceFor(const media_node& forNode); 9 */ 10 11 12 #include "TimeSourceObject.h" 13 14 #include <stdio.h> 15 #include <string.h> 16 17 #include <MediaRoster.h> 18 #include <OS.h> 19 20 #include <MediaMisc.h> 21 #include <debug.h> 22 23 #include "TimeSourceObjectManager.h" 24 25 26 TimeSourceObject::TimeSourceObject(const media_node& node) 27 : 28 BMediaNode("some timesource object", node.node, node.kind), 29 BTimeSource(node.node) 30 { 31 TRACE("TimeSourceObject::TimeSourceObject enter, id = %ld\n", node.node); 32 if (fControlPort > 0) 33 delete_port(fControlPort); 34 35 // We use the control port of the real time source object. 36 // this way, all messages are send to the real time source, 37 // and this shadow object won't receive any. 38 fControlPort = node.port; 39 40 ASSERT(fNodeID == node.node); 41 ASSERT(fKinds == node.kind); 42 43 if (node.node == NODE_SYSTEM_TIMESOURCE_ID) { 44 strcpy(fName, "System clock"); 45 fIsRealtime = true; 46 } else { 47 live_node_info liveNodeInfo; 48 if (BMediaRoster::Roster()->GetLiveNodeInfo(node, &liveNodeInfo) 49 == B_OK) 50 strlcpy(fName, liveNodeInfo.name, B_MEDIA_NAME_LENGTH); 51 else 52 snprintf(fName, B_MEDIA_NAME_LENGTH, "timesource %ld", node.node); 53 } 54 55 AddNodeKind(NODE_KIND_SHADOW_TIMESOURCE); 56 AddNodeKind(NODE_KIND_NO_REFCOUNTING); 57 58 TRACE("TimeSourceObject::TimeSourceObject leave, node id %ld\n", fNodeID); 59 } 60 61 62 status_t 63 TimeSourceObject::TimeSourceOp(const time_source_op_info& op, void* _reserved) 64 { 65 // we don't get anything here 66 return B_OK; 67 } 68 69 70 BMediaAddOn* 71 TimeSourceObject::AddOn(int32* _id) const 72 { 73 if (_id != NULL) 74 *_id = 0; 75 76 return NULL; 77 } 78 79 80 status_t 81 TimeSourceObject::DeleteHook(BMediaNode* node) 82 { 83 // if (fIsRealtime) { 84 // ERROR("TimeSourceObject::DeleteHook: system time source clone delete hook called\n"); 85 // return B_ERROR; 86 // } 87 PRINT(1, "TimeSourceObject::DeleteHook enter\n"); 88 gTimeSourceObjectManager->ObjectDeleted(this); 89 status_t status = BTimeSource::DeleteHook(node); 90 PRINT(1, "TimeSourceObject::DeleteHook leave\n"); 91 return status; 92 } 93 94