CN104581365A - Method for controlling multi-media file pushing, slave device, main device and system - Google Patents
Method for controlling multi-media file pushing, slave device, main device and system Download PDFInfo
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- CN104581365A CN104581365A CN201410836893.3A CN201410836893A CN104581365A CN 104581365 A CN104581365 A CN 104581365A CN 201410836893 A CN201410836893 A CN 201410836893A CN 104581365 A CN104581365 A CN 104581365A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Strategic Management (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention relates to the technical field of network communication, in particular to a method for controlling multi-media file pushing, a slave device, a main device and a system. The method comprises the following steps: the slave device detects the playing state of a playing engine, generates inform message containing the current playing state information of the playing engine according to playing state detection results and sends the inform message to the main device, so as to instruct the main device to control the motion of pushing multi-media files to the slave device according to the inform message, wherein the playing state is one of an under playing state, a playing terminating state, a playing suspending state and a playing stopping state. The technical scheme ensures that the main device can clearly known the playing state of the playing engine of the slave device, determine whether to push multi-media files to the slave device or not according to the playing state, and properly control the pushing of the multi-media files, realizes the good coordination between the main device and the slave device, and improves the user experience.
Description
Technical field
The embodiment of the present invention relates to network communication technology field, particularly relates to the method for control multimedia file propelling movement, from equipment, main equipment and system.
Background technology
In recent years, DLNA (Digital Living Network Alliance, DLNA) technology obtains and develops widely, increasing media device, and audiovisual terminals or playing platform all support DLNA technology.This technology allows equipment under network connection state, can find the equipment having other functions, and checks and to play to certain player with the media resource in sharing service device.The type of DLNA device mainly comprises digital media player (Digital MediaPlayer, DMP), Digital Media renderer (Digital Media Renderer, DMR), digital media server (Digital Media Server, and digital media controller (Digital Media Controller, DMC) DMS).
DLNA defines a kind of propelling movement mode, i.e. push pattern, has 3 kinds of equipment at least, DMR, DMS and DMC in this pattern requirements network.Wherein DMC is as the control appliance in DLNA technology, can find other two equipment, and can browse the multimedia file shared in DMS, multimedia file wherein be pushed to DMR and plays.
In prior art, DMR, DMS and DMC can adopt UPnP (Universal Plug and Play, UPnP) agreement to carry out the network interconnection, but, unsatisfactory based on the cooperation of DMC and DMR under existing UPnP protocol.Because, DMC normally by acquisition request to the current play status of DMR to multimedia file, then make next step action for this acquisition result, as pushed next multimedia file or stopping pushing.Based on existing UPnP protocol, the current play status of the DMR that DMC can get to multimedia file comprises: Playing (for representing DMR just at play multimedia file), Pause (for representing that DMR suspends play multimedia file) and Stopped is (for representing that DMR does not play multimedia file, namely DMR is in idle operating state), but different DMC is when receiving Stopped, may judge that DMR is in the idle condition stopping playing, also may judge that DMR is in the broadcasting of present multimedia file and completes, the idle condition of next multimedia file to be played such as.Such as: when a computer is provided with MediaPlayer (media player) software that Windows system carries, after Media Player opens DMC function, this computer is equivalent to a DMC equipment, when this software of use pushes a song to after any DMR (as having the intelligent television of DMR function) plays, if in the playing process of this song, user uses the remote controller mated with DMR to stop this playback of songs, then DMC can receive the message that DMR state becomes Stopped, and this DMC can take for DMR be in current song play completed, the idle condition of next multimedia file to be played such as, thus perform the flow process continuing to push next song, cause and originally stopped the DMR playing to start again to play next song by user, use to user and make troubles.
Summary of the invention
The object of the invention is to propose to control method that multimedia file pushes, from equipment, main equipment and system, to avoid judging by accident when judging multimedia file broadcast state, and then the propelling movement multimedia file that leads to errors.
First aspect, embodiments provides a kind of method controlling multimedia file and push, comprising:
From the broadcast state of equipment Inspection playback engine, wherein said broadcast state is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state;
Described from equipment according to broadcast state testing result, determine whether trigger event notification service;
Described from equipment based on trigger after Event Notification Service, generate the notification message including the current play status information of described playback engine, and described notification message is sent to and the described main equipment from equipment with master slave relation, to indicate described main equipment based on described notification message, control to the described action pushing multimedia file from equipment.
Second aspect, embodiments provides a kind of method controlling multimedia file and push, comprising:
Main equipment receives the notification message sent from equipment;
Main equipment is resolved described notification message, to extract the current play status information of the playback engine comprised in described notification message;
Main equipment, according to extraction result, controls the action to pushing multimedia file from equipment.
The third aspect, embodiments provide a kind of control multimedia file push from equipment, comprising:
Broadcast state detection module, for detecting the broadcast state of playback engine, wherein said broadcast state is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state;
Event Notification Service trigger module, for according to broadcast state testing result, determines whether trigger event notification service;
Notification message generation module, for based on the Event Notification Service after triggering, generates the notification message including the current play status information of described playback engine;
Notification message sending module, for being sent to by described notification message and the described main equipment from equipment with master slave relation, to indicate described main equipment based on described notification message, controls to the described action pushing multimedia file from equipment.
Fourth aspect, embodiments provides a kind of main equipment controlling multimedia file and push, comprising:
Notification message receiver module, for receiving the notification message sent from equipment;
Notification message parsing module, resolves described notification message for main equipment, to extract the current play status information of the playback engine comprised in described notification message;
Push control module, for according to extraction result, control the action to pushing multimedia file from equipment.
5th aspect, embodiments provides a kind of system controlling multimedia file and push, comprising:
Digital Media renderer, and with described Digital Media renderer, there is at least one digital media controller of master slave relation; Wherein:
Described Digital Media renderer, for detecting the broadcast state of playback engine; According to broadcast state testing result, determine whether trigger event notification service; Based on the Event Notification Service after triggering, generate and include the notification message of the current play status information of described playback engine, and described notification message is sent to described Digital Media renderer, there is at least one digital media controller described in master slave relation;
At least one digital media controller described, for receiving the notification message that described Digital Media renderer sends; Described notification message is resolved, to extract the current play status information of the playback engine comprised in described notification message; According to extraction result, control the action pushing multimedia file to described Digital Media renderer.
The method that the control multimedia file that provides in the embodiment of the present invention pushes, from equipment, main equipment and system, can avoid judging by accident when judging multimedia file broadcast state, and then the propelling movement multimedia file that leads to errors.The method that the control multimedia file provided in the embodiment of the present invention pushes, from the broadcast state of equipment Inspection playback engine, according to broadcast state testing result, determine whether trigger event notification service, based on the Event Notification Service after triggering, generate the notification message including the current play status information of playback engine, and notification message is sent to and the main equipment from equipment with master slave relation, to indicate main equipment based on notification message, control the action to pushing multimedia file from equipment, wherein said broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, main equipment clearly can know from device plays engine is current to be in which broadcast state, determine whether pushing multimedia file to from equipment according to this broadcast state, the main equipment as control appliance is made better to control the propelling movement of multimedia file, realize main equipment and good fit between equipment, promote user's experience.
Accompanying drawing explanation
The schematic flow sheet of the method that the control multimedia file that Fig. 1 provides for the embodiment of the present invention one pushes;
The schematic flow sheet of the method that the control multimedia file that Fig. 2 provides for the embodiment of the present invention two pushes;
The schematic flow sheet of the method that the control multimedia file that Fig. 3 provides for the embodiment of the present invention three pushes;
The structured flowchart from equipment that the control multimedia file that Fig. 4 provides for the embodiment of the present invention four pushes;
The structured flowchart of the main equipment that the control multimedia file that Fig. 5 provides for the embodiment of the present invention five pushes;
The structured flowchart of the system that the control multimedia file that Fig. 6 provides for the embodiment of the present invention six pushes.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The schematic flow sheet of the method that the control multimedia file that Fig. 1 provides for the embodiment of the present invention one pushes, the method can by controlling performing from equipment of multimedia file propelling movement.As shown in Figure 1, the method comprises:
Step 101, broadcast state from equipment Inspection playback engine, wherein broadcast state be just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state.
In the present embodiment, main equipment specifically can be digital media controller, i.e. DMC; Digital Media renderer is specifically can be, i.e. DMR from equipment.In the push pattern of DLNA, have 3 kinds of equipment in network at least, DMR, DMS and DMC.Wherein DMC is as the control appliance in DLNA agreement, can find other two equipment, and can browse the multimedia file shared in DMS, and multimedia file is wherein pushed to DMR plays.Wherein, the detailed process of propelling movement is, DMC obtains the network address corresponding to multimedia file in DMS, and this network address is pushed to DMR, and DMR obtains the stream medium data of this multimedia file according to this network address again and plays from DMS.
The broadcast state of playback engine, specifically refers to that the playback engine that detects of DMC is to the broadcast state of present multimedia file.The DMC with DMR with subordinate relation can be one or more, and present multimedia file, refers to that wherein certain DMC pushes to a multimedia file of DMR.The broadcast state of playback engine is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state.Wherein, just at broadcast state, referring to that playback engine is playing present multimedia file; Play done state, refer to that playback engine has just played present multimedia file, prepare to play next multimedia file; Suspend broadcast state, refer to that the broadcasting of playback engine to present multimedia file is in halted state, under this state, present multimedia file is played not complete; Stop broadcast state, refer to that playback engine is in out-of-work state.
Step 102, from equipment according to broadcast state testing result, determine whether trigger event notification service.
The broadcast state of playback engine is informed DMC in the mode sending event notice by DMR, what send event notice can be send in real time, also can send for prefixed time interval, be preferably and send when the broadcast state of playback engine changes, as detected, the broadcast state of playback engine is by just when broadcast state becomes time-out broadcast state, then trigger event notification service.Generally, DMR is controlled by DMC, but DMR can supportingly be provided with usually as remote controller etc. can carry out the autonomous device manipulated by user, so the manipulation of user can cause the broadcast state of playback engine to change.Such as, DMR is playing a song song, and when user does not want to continue to listen to have sung, when iting is desirable to stop playing, stop playing by manipulation remote controller, now, the broadcast state of playback engine will by just becoming stopping broadcast state at broadcast state; When user thinks that current song is unpleasant, when iting is desirable to play next, terminate the broadcasting of current song by manipulation remote controller, now, the broadcast state of playback engine will by just becoming broadcasting done state at broadcast state.
Step 103, from equipment based on trigger after Event Notification Service, generate the notification message including the current play status information of playback engine, and notification message is sent to and the main equipment from equipment with master slave relation, to indicate main equipment based on notification message, control the action to pushing multimedia file from equipment.
When after DMR trigger event notification service, just the notification message of the current play status information including playback engine can be generated, this notification message can be sent to by present multimedia file push to the DMC of this DMR, also can broadcast this notification message to all DMC be connected with this DMR.After DMC receives this notification message, based on this notification message, control to push multimedia action to DMR, push next multimedia file as continued to this DMR, or stop pushing.
The method that the control multimedia file that the embodiment of the present invention one provides pushes, from the broadcast state of equipment Inspection playback engine, according to broadcast state testing result, determine whether trigger event notification service, based on the Event Notification Service after triggering, generate the notification message including the current play status information of playback engine, and notification message is sent to and the main equipment from equipment with master slave relation, to indicate main equipment based on notification message, control the action to pushing multimedia file from equipment, wherein said broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, main equipment clearly can know from device plays engine is current to be in which broadcast state, determine whether pushing multimedia file to from equipment according to this broadcast state, the main equipment as control appliance is made better to control the propelling movement of multimedia file, realize main equipment and good fit between equipment, promote user's experience.
Embodiment two
The schematic flow sheet of the method that the control multimedia file that Fig. 2 provides for the embodiment of the present invention two pushes, the method can by controlling performing from equipment of multimedia file propelling movement.As shown in Figure 2, the method comprises:
The subscription information to Event Notification Service that step 201, reception main equipment send.
In the present embodiment, main equipment specifically can be DMC, specifically can be DMR from equipment.UPnP (Universal Plug and Play, UPnP) agreement is adopted to communicate between DMC and DMR.Described Event Notification Service is the media delivery service in UPnP protocol.
Step 202, broadcast state from equipment Inspection playback engine, wherein broadcast state be just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state.
Further, broadcast state can also be the state of making a mistake, refer to multimedia file that current needs play due to the reasons such as format error make playback engine cannot normal play.
If step 203, detect that the broadcast state of playback engine changes from equipment, then trigger event notification service.
Step 204, from equipment based on trigger after Event Notification Service, generate the notification message including the current play status information of playback engine, and notification message is sent to and the main equipment from equipment with master slave relation, to indicate main equipment based on notification message, control the action to pushing multimedia file from equipment.
Wherein, generate and include the notification message of the current play status information of playback engine, comprising: be the state value corresponding with the current play status of playback engine by predefined playback engine state variable assignment; Generate the notification message including the state value of playback engine state variable.
Exemplary, predefined playback engine state variable refers to the playback engine state variable increased in existing former UPnP protocol, concrete, can in former UPnP protocol media delivery service under a self-defined playback engine state variable, namely under urn:schemas-upnp-org:service:AVTransport:1 service, definition status variable X _ EnginState.
When after DMR triggering media transmission service, be the state value corresponding with the current play status of playback engine by predefined playback engine state variable assignment.Exemplary, the current play status of playback engine and the corresponding relation of state value are: be just PLAYING at the state value of broadcast state, the state value playing done state is PLAY_DONE, the state value suspending broadcast state is PAUSE, the state value stopping broadcast state is STOP, and the state value of the state that makes a mistake is ERROR.
Subsequently, DMR generates the notification message (LastChange) including the state value of described playback engine state variable, and LastChange is sent to the DMC with DMR with master slave relation, to indicate DMC based on LastChange, control the action pushing multimedia file to DMR.
The embodiment of the present invention two is on the basis of embodiment one, and further illustrating Event Notification Service is media delivery service in general plug-and-play protocol; Generate the notification message including the current play status information of playback engine, comprise: be the state value corresponding with the current play status of playback engine by predefined playback engine state variable assignment, generate the notification message including the state value of playback engine state variable.By expanding existing former UPnP protocol and optimize, a self-defined playback engine state variable under media delivery service in this agreement, DMC with DMR is communicated based on the UPnP protocol after expanding, and what realize between DMC and DMR is good fit, promotes user's experience.
Embodiment three
The schematic flow sheet of the method that the control multimedia file that Fig. 3 provides for the embodiment of the present invention three pushes, the method can be performed by the main equipment controlling multimedia file propelling movement.The method that the control multimedia file that the present embodiment provides pushes, can coordinate with the method pushed by the control multimedia file performed from equipment that any embodiment of the present invention provides and perform.As shown in Figure 3, the method that the present embodiment provides comprises:
Step 301, main equipment receive the notification message sent from equipment.
In the present embodiment, main equipment specifically can be DMC, specifically can be DMR from equipment.UPnP (Universal Plug and Play, UPnP) agreement is adopted to communicate between DMC and DMR.Described Event Notification Service is the media delivery service in UPnP protocol.
Step 302, main equipment are resolved notification message, to extract the current play status information of the playback engine comprised in notification message.
Step 303, main equipment, according to extraction result, control the action to pushing multimedia file from equipment.
Concrete, this step 303 comprises: if the result extracted is the state value corresponding with the broadcasting done state of playback engine, then main equipment pushes next multimedia file to from equipment; If the result extracted is the state value corresponding with the stopping broadcast state of playback engine, then main equipment stops pushing multimedia file to from equipment.
Further, main equipment is controlling to while the action pushing multimedia file from equipment, and corresponding also can control shows different user interfaces (User Interface, UI).Exemplary, when described state value is PLAYING, DMC can not push multimedia file to DMR, and the UI of DMC display " in broadcasting ", also can show the relevant informations such as the title of the multimedia file play, singer (or performer), duration simultaneously; When described state value is PLAY_DONE, DMC pushes next multimedia file to DMR; When described state value is PAUSE, DMC can not push multimedia file to DMR, the UI that DMC display simultaneously " suspends and plays ", also can show the relevant information such as title, singer (or performer), duration being in and suspending the multimedia file in playing; When described state value is STOP, DMC stops pushing multimedia file to DMR, the UI that DMC display simultaneously " stops playing "; When described state value is ERROR, DMC stops pushing multimedia file to DMR, and the UI of DMC display " makeing mistakes ", further, also can show the information of reason of makeing mistakes simultaneously.
The method that the control multimedia file that the embodiment of the present invention three provides pushes, main equipment receives and resolves the notification message sent from equipment, to extract the current play status information of the playback engine comprised in notification message, according to extraction result, control the action to pushing multimedia file from equipment, wherein broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, main equipment clearly can know from device plays engine is current to be in which broadcast state, determine whether pushing multimedia file to from equipment according to this broadcast state, the main equipment as control appliance is made better to control the propelling movement of multimedia file, realize main equipment and good fit between equipment, promote user's experience.
Embodiment four
The structured flowchart from equipment that the control multimedia file that Fig. 4 provides for the embodiment of the present invention four pushes, the method that should push from equipment by the control multimedia file performed the embodiment of the present invention one or embodiment two, controls the propelling movement of multimedia file.As shown in Figure 4, should comprise from equipment:
Broadcast state detection module 401, for detecting the broadcast state of playback engine, wherein broadcast state is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state; Event Notification Service trigger module 402, for according to broadcast state testing result, determines whether trigger event notification service; Notification message generation module 403, for based on the Event Notification Service after triggering, generates the notification message including the current play status information of playback engine; Notification message sending module 404, for the main equipment be sent to by notification message with have master slave relation from equipment, to indicate main equipment based on notification message, controls the action to pushing multimedia file from equipment.
Further, Event Notification Service trigger module 402, if for detecting that the broadcast state of playback engine changes, then trigger event notification service.
Further, notification message generation module 403 comprises assignment unit and generation unit.Wherein, assignment unit, for being the state value corresponding with the current play status of described playback engine by predefined playback engine state variable assignment; Generation unit, for generating the notification message of the state value including described playback engine state variable.
Further, also comprise subscription information receiver module from equipment, for receiving the subscription information to described Event Notification Service that main equipment sends.
Control multimedia file that the embodiment of the present invention four provides push from equipment, the broadcast state of playback engine is detected by broadcast state detection module 401, Event Notification Service trigger module 402 is according to broadcast state testing result, determine whether trigger event notification service, notification message generation module 403 is based on the Event Notification Service after triggering, generate the notification message including the current play status information of playback engine, finally by notification message sending module 404, notification message is sent to and the main equipment from equipment with master slave relation, to indicate main equipment based on notification message, control the action to pushing multimedia file from equipment, wherein said broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, main equipment clearly can know from device plays engine is current to be in which broadcast state, determine whether pushing multimedia file to from equipment according to this broadcast state, the main equipment as control appliance is made better to control the propelling movement of multimedia file, realize main equipment and good fit between equipment, promote user's experience.
Embodiment five
The structured flowchart of the main equipment that the control multimedia file that Fig. 5 provides for the embodiment of the present invention five pushes, the method that this main equipment pushes by the control multimedia file performed in the embodiment of the present invention three, controls the propelling movement of multimedia file.As shown in Figure 5, should comprise from equipment:
Notification message receiver module 501, for receiving the notification message sent from equipment; Notification message parsing module 502, resolves notification message for main equipment, to extract the current play status information of the playback engine comprised in notification message; Push control module 503, for according to extraction result, control the action to pushing multimedia file from equipment.
Exemplary, push control module 503 specifically for:
If the result extracted is the state value corresponding with the broadcasting done state of described playback engine, then described main equipment pushes next multimedia file to described from equipment;
If the result extracted is the state value corresponding with the stopping broadcast state of described playback engine, then described main equipment stops pushing multimedia file to described from equipment.
The main equipment that the control multimedia file that the embodiment of the present invention five provides pushes, notification message receiver module 501 receives the notification message sent from equipment, notification message parsing module 502 resolves this notification message, to extract the current play status information of the playback engine comprised in notification message, finally by pushing control module 503 according to extraction result, control the action to pushing multimedia file from equipment, wherein broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, main equipment clearly can know from device plays engine is current to be in which broadcast state, determine whether pushing multimedia file to from equipment according to this broadcast state, the main equipment as control appliance is made better to control the propelling movement of multimedia file, realize main equipment and good fit between equipment, promote user's experience.
Embodiment six
The structured flowchart of the system that the control multimedia file that Fig. 6 provides for the embodiment of the present invention six pushes, this system controls multimedia by the method performing the embodiment of the present invention and pushes.As shown in Figure 6, this system comprises: Digital Media renderer 601, and has at least one digital media controller 602 of master slave relation with described Digital Media renderer.Wherein:
Digital Media renderer 601, for detecting the broadcast state of playback engine; According to broadcast state testing result, determine whether trigger event notification service; Based on the Event Notification Service after triggering, generate and include the notification message of the current play status information of playback engine, and notification message is sent to Digital Media renderer 601, there is at least one digital media controller 602 described in master slave relation;
At least one digital media controller 602, for receiving the notification message that Digital Media renderer 601 sends; Notification message is resolved, to extract the current play status information of the playback engine comprised in notification message; According to extraction result, control the action pushing multimedia file to Digital Media renderer 601.
The system that the control multimedia file that the embodiment of the present invention six provides pushes, the broadcast state of playback engine is detected by Digital Media renderer 601, generate the notification message including current play status information, and be sent at least one digital media controller 602 with Digital Media renderer 601 with master slave relation, digital media controller 602 extracts the current play status information of the playback engine comprised in notification message, and according to extraction result, control the action pushing multimedia file to Digital Media renderer 601, wherein broadcast state is just at broadcast state, play done state, suspend broadcast state and stop a state in broadcast state, digital media controller 602 clearly can be known that Digital Media renderer 601 playback engine is current and be in which broadcast state, determine whether pushing multimedia file to Digital Media renderer 601 according to this broadcast state, the digital media controller 602 as control appliance is made better to control the propelling movement of multimedia file, what realize between digital media controller 602 and Digital Media renderer 601 is good fit, promote user's experience.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (13)
1. control the method that multimedia file pushes, it is characterized in that, comprising:
From the broadcast state of equipment Inspection playback engine, wherein said broadcast state is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state;
Described from equipment according to broadcast state testing result, determine whether trigger event notification service;
Described from equipment based on trigger after Event Notification Service, generate the notification message including the current play status information of described playback engine, and described notification message is sent to and the described main equipment from equipment with master slave relation, to indicate described main equipment based on described notification message, control to the described action pushing multimedia file from equipment.
2. method according to claim 1, is characterized in that, described from equipment according to broadcast state testing result, determine whether trigger event notification service, comprising:
Detect that the broadcast state of described playback engine changes if described from equipment, then trigger event notification service.
3. method according to claim 1, is characterized in that, generates the notification message including the current play status information of described playback engine, comprising:
Be the state value corresponding with the current play status of described playback engine by predefined playback engine state variable assignment;
Generate the notification message including the state value of described playback engine state variable.
4. method according to claim 1, is characterized in that, before the broadcast state from equipment Inspection playback engine, also comprises:
Receive the subscription information to described Event Notification Service that described main equipment sends.
5. the method according to any one of claim 1-4, is characterized in that, described Event Notification Service is the media delivery service in general plug-and-play protocol.
6. control the method that multimedia file pushes, it is characterized in that, comprising:
Main equipment receives the notification message sent from equipment;
Main equipment is resolved described notification message, to extract the current play status information of the playback engine comprised in described notification message;
Main equipment, according to extraction result, controls the action to pushing multimedia file from equipment.
7. method according to claim 6, is characterized in that, main equipment, according to extraction result, controls, to the action pushing multimedia file from equipment, to comprise:
If the result extracted is the state value corresponding with the broadcasting done state of described playback engine, then described main equipment pushes next multimedia file to described from equipment;
If the result extracted is the state value corresponding with the stopping broadcast state of described playback engine, then described main equipment stops pushing multimedia file to described from equipment.
8. control multimedia file push from an equipment, it is characterized in that, comprising:
Broadcast state detection module, for detecting the broadcast state of playback engine, wherein said broadcast state is just in broadcast state, the state play in done state, time-out broadcast state and stopping broadcast state;
Event Notification Service trigger module, for according to broadcast state testing result, determines whether trigger event notification service;
Notification message generation module, for based on the Event Notification Service after triggering, generates the notification message including the current play status information of described playback engine;
Notification message sending module, for being sent to by described notification message and the described main equipment from equipment with master slave relation, to indicate described main equipment based on described notification message, controls to the described action pushing multimedia file from equipment.
9. according to claim 8 from equipment, it is characterized in that, described Event Notification Service trigger module, if for detecting that the broadcast state of described playback engine changes, then trigger event notification service.
10. according to claim 8 from equipment, it is characterized in that, described notification message generation module comprises:
Assignment unit, for being the state value corresponding with the current play status of described playback engine by predefined playback engine state variable assignment;
Generation unit, for generating the notification message of the state value including described playback engine state variable.
11. is according to claim 8 from equipment, it is characterized in that, also comprise:
Subscription information receiver module, for receiving the subscription information to described Event Notification Service that described main equipment sends.
12. 1 kinds of main equipments controlling multimedia file and push, is characterized in that, comprising:
Notification message receiver module, for receiving the notification message sent from equipment;
Notification message parsing module, resolves described notification message for main equipment, to extract the current play status information of the playback engine comprised in described notification message;
Push control module, for according to extraction result, control the action to pushing multimedia file from equipment.
13. 1 kinds of systems controlling multimedia file and push, is characterized in that, comprising: Digital Media renderer, and have at least one digital media controller of master slave relation with described Digital Media renderer; Wherein:
Described Digital Media renderer, for detecting the broadcast state of playback engine; According to broadcast state testing result, determine whether trigger event notification service; Based on the Event Notification Service after triggering, generate and include the notification message of the current play status information of described playback engine, and described notification message is sent to described Digital Media renderer, there is at least one digital media controller described in master slave relation;
At least one digital media controller described, for receiving the notification message that described Digital Media renderer sends; Described notification message is resolved, to extract the current play status information of the playback engine comprised in described notification message; According to extraction result, control the action pushing multimedia file to described Digital Media renderer.
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