67060664c9
* BMediaRoster is now capable to know which nodes are instantiated in this team. This is also a first step to make them survive after media_server crashes. * A control at BMediaRoster::Quit can notify if all nodes were correctly released. Ideally at this point the local nodes list should be empty.
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/*
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* Copyright (c) 2003 Marcus Overhagen.
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* All Rights Reserved.
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*
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* This file may be used under the terms of the MIT License.
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*/
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#ifndef _MEDIA_ROSTER_EX_H_
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#define _MEDIA_ROSTER_EX_H_
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#ifndef _MEDIA_T_LIST_H
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#include "TList.h"
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#endif
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#ifndef _DATA_EXCHANGE_H
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#include "DataExchange.h"
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#endif
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#ifndef _MEDIA_NODE_H
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#include <MediaNode.h>
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#endif
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#ifndef _MEDIA_ADD_ON_H
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#include <MediaAddOn.h>
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#endif
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namespace BPrivate { namespace media {
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/* The BMediaRosterEx class is an extension to the BMediaRoster.
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* It provides functionality that can be used by the implementation
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* of media_server, media_addon_server and libmedia.so.
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* To access it, convert any BMediaRoster pointer in a BMediaRosterEx
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* pointer using the inline function provided below.
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*/
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class BMediaRosterEx : public BMediaRoster
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{
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public:
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BMediaRosterEx(status_t* out_error);
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virtual ~BMediaRosterEx();
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virtual void Quit();
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status_t SaveNodeConfiguration(BMediaNode* node);
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status_t LoadNodeConfiguration(media_addon_id addonid,
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int32 flavorid, BMessage* out_msg);
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status_t IncrementAddonFlavorInstancesCount(
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media_addon_id addonid, int32 flavorid);
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status_t DecrementAddonFlavorInstancesCount(
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media_addon_id addonid, int32 flavorid);
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status_t ReleaseNodeAll(const media_node& node);
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status_t SetNodeCreator(media_node_id node, team_id creator);
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status_t RegisterNode(BMediaNode* node, media_addon_id addonid,
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int32 flavorid);
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status_t InstantiateDormantNode(media_addon_id addonid,
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int32 flavorid, team_id creator, media_node* out_node);
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status_t GetDormantFlavorInfo(media_addon_id addonid,
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int32 flavorid, dormant_flavor_info* out_flavor);
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status_t GetNode(node_type type, media_node* out_node,
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int32* out_input_id = NULL,
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BString* out_input_name = NULL);
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status_t SetNode(node_type type, const media_node* node,
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const dormant_node_info* info = NULL,
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const media_input *input = NULL);
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status_t GetAllOutputs(const media_node& node,
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List<media_output>* list);
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status_t GetAllOutputs(BBufferProducer* node,
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List<media_output>* list);
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status_t GetAllInputs(const media_node& node,
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List<media_input>* list);
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status_t GetAllInputs(BBufferConsumer* node,
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List<media_input>* list);
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status_t PublishOutputs(const media_node& node,
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List<media_output>* list);
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status_t PublishInputs(const media_node& node,
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List<media_input>* list);
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BTimeSource* MakeTimeSourceObject(media_node_id timesource_id);
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status_t BuildConnections();
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void RegisterLocalNode(BMediaNode* node);
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void UnregisterLocalNode(BMediaNode* node);
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private:
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friend class BMediaRoster;
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};
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/* The pointer returned by BMediaRoster::Roster() is always a
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* BMediaRosterEx object pointer. Use this to convert it.
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*/
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inline BMediaRosterEx* MediaRosterEx(BMediaRoster* mediaroster)
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{
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return static_cast<BMediaRosterEx*>(mediaroster);
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}
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} } // BPrivate::media
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using namespace BPrivate::media;
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#endif
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