1 /* 2 * Copyright 2002, Marcus Overhagen. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #include "TList.h" 6 #include "TMap.h" 7 #include "TStack.h" 8 #include "DataExchange.h" 9 10 struct registered_node 11 { 12 media_node_id nodeid; 13 media_addon_id addon_id; 14 int32 addon_flavor_id; 15 char name[B_MEDIA_NAME_LENGTH]; 16 uint64 kinds; 17 port_id port; 18 team_id team; 19 int32 globalrefcount; 20 Map<team_id, int32> teamrefcount; 21 List<media_input> inputlist; 22 List<media_output> outputlist; 23 }; 24 25 class BufferManager; 26 27 class NodeManager 28 { 29 public: 30 NodeManager(); 31 ~NodeManager(); 32 status_t RegisterNode(BMessenger, media_node &, char const *, long *, char const *, long, char const *, long, media_type, media_type); 33 status_t UnregisterNode(long); 34 status_t GetNodes(BMessage &, char const *); 35 status_t GetLiveNode(BMessage &, char const *, long); 36 status_t GetLiveNodes(BMessage &, char const *, media_format const *, media_format const *, char const *, unsigned long); 37 status_t FindNode(long, media_node &); 38 status_t FindSaveInfo(long, char const **, long *, long *, char const **); 39 status_t FindDormantNodeFor(long, dormant_node_info *); 40 status_t FindNodesFor(long, long, BMessage &, char const *); 41 status_t FindNodesForPort(long, BMessage &, char const *); 42 status_t UnregisterTeamNodes(long, BMessage &, char const *, long *, BufferManager *); 43 status_t DumpGlobalReferences(BMessage &, char const *); 44 status_t BroadcastMessage(long, void *, long, long long); 45 status_t LoadState(); 46 status_t SaveState(); 47 48 49 status_t RegisterNode(media_node_id *nodeid, media_addon_id addon_id, int32 addon_flavor_id, const char *name, uint64 kinds, port_id port, team_id team); 50 status_t UnregisterNode(media_addon_id *addon_id, media_node_id nodeid, team_id team); 51 status_t GetCloneForId(media_node *node, media_node_id nodeid, team_id team); 52 status_t GetClone(media_node *node, char *input_name, int32 *input_id, node_type type, team_id team); 53 status_t ReleaseNode(const media_node &node, team_id team); 54 status_t PublishInputs(const media_node &node, const media_input *inputs, int32 count); 55 status_t PublishOutputs(const media_node &node, const media_output *outputs, int32 count); 56 status_t FindNodeId(media_node_id *nodeid, port_id port); 57 status_t GetLiveNodeInfo(live_node_info *live_info, const media_node &node); 58 status_t GetInstances(media_node_id *node_ids, int32* count, int32 maxcount, media_addon_id addon_id, int32 addon_flavor_id); 59 status_t GetLiveNodes(Stack<live_node_info> *livenodes, int32 maxcount, const media_format *inputformat = NULL, const media_format *outputformat = NULL, const char* name = NULL, uint64 require_kinds = 0); 60 status_t GetDormantNodeInfo(dormant_node_info *node_info, const media_node &node); 61 status_t IncrementGlobalRefCount(media_node_id nodeid, team_id team); 62 status_t DecrementGlobalRefCount(media_node_id nodeid, team_id team); 63 64 /* Add media_node_id of all live nodes to the message 65 * int32 "media_node_id" (multiple items) 66 */ 67 status_t GetLiveNodes(BMessage *msg); 68 69 void AddDormantFlavorInfo(const dormant_flavor_info &dfi); 70 void RemoveDormantFlavorInfo(media_addon_id id); 71 void RegisterAddon(const entry_ref &ref, media_addon_id *newid); 72 void UnregisterAddon(media_addon_id id); 73 status_t GetAddonRef(entry_ref *ref, media_addon_id id); 74 status_t GetDormantNodes(dormant_node_info * out_info, 75 int32 * io_count, 76 const media_format * has_input /* = NULL */, 77 const media_format * has_output /* = NULL */, 78 const char * name /* = NULL */, 79 uint64 require_kinds /* = NULL */, 80 uint64 deny_kinds /* = NULL */); 81 82 status_t GetDormantFlavorInfoFor(media_addon_id addon, 83 int32 flavor_id, 84 dormant_flavor_info *outFlavor); 85 86 private: 87 media_addon_id nextaddonid; 88 media_node_id nextnodeid; 89 90 List<dormant_flavor_info> *fDormantFlavorList; 91 Map<media_addon_id,entry_ref> *fAddonPathMap; 92 Map<media_node_id,registered_node> *fRegisteredNodeMap; 93 }; 94