CN102447972B - Television multimedia file playing system and method based on IGRS technique - Google Patents
Television multimedia file playing system and method based on IGRS technique Download PDFInfo
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- CN102447972B CN102447972B CN 201010506051 CN201010506051A CN102447972B CN 102447972 B CN102447972 B CN 102447972B CN 201010506051 CN201010506051 CN 201010506051 CN 201010506051 A CN201010506051 A CN 201010506051A CN 102447972 B CN102447972 B CN 102447972B
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Abstract
The invention discloses a television multimedia file playing system and a method based on an intelligent grouping and resource sharing technique. The system comprises a television, a network terminal and wireless mobile equipment based on an intelligent grouping and resource sharing VUFS technique, wherein the wireless mobile equipment is arranged on a television body and is wirelessly connected with the network terminal; the network terminal is used for downloading multimedia files requested by users; the wireless mobile equipment is used for wirelessly obtaining the downloaded parts of the multimedia files in real time when the network terminal downloads the multimedia files; and the television is used for playing the downloaded parts of the multimedia files obtained by the wireless mobile equipment. The system is simple to realize, the downloaded parts of the multimedia files can be played through the television at the same time when a personal computer (PC) downloads the multimedia files, the playing efficiency is greatly improved and the popularization of the television is facilitated.
Description
Technical field
The invention belongs to field of television, be specifically related to a kind of television multimedia file playing system based on IGRS's technology and method.
Background technology
Along with the high-definition multimedia TV is also further developing, the user can copy to the multimedia file in the computer in the storage medium, and then plays to large-screen receiver.
In the prior art, television set can pass through Direct Attached Storage equipment basically, such as USB flash disk etc., the multimedia file of memory device the inside is play.Also have high-end television sets can directly play the Online Video of some built-in channels by the access netting twine, but owing to reasons such as expense and operations, above-mentioned high-end television sets is not popularized.Present stage, most of television set still can only be play the type of local multimedia file, then can only adopt the mode that memory device is play of inserting for this part type.
But there are many drawbacks in the mode of above-mentioned television for play multimedia file:
At first, multimedia file must be copied to just can be inserted on the television set in the middle of the USB flash disk and play, operation is upper cumbersome like this, to be copied the finishing such as also needs, and relatively loses time;
Secondly, the multimedia file that has is larger, and the capacity of possible USB flash disk fails to lay down not or can not put too many film, copies must insert like this computer deleted file after finishing watching one one after again again, and is very inconvenient.
And if want the television set support to play the online multimedia file, if then there is not the embedded with network interface, then current do not have good way to solve.Can only watch by interfaces such as VGA (showing drawing array Video Graphic Array) by external Online Video player device or PC, owing to equipment or PC need to be connected on the television set, not only the method cost is too high, and uses inconvenience.
And along with the development of wireless technology, the wireless network popularity rate is more and more higher, and general family has all installed wireless network, such as the WIFI network.
In conjunction with existing radio network technique, so that the mode of television for play multimedia file is more succinct, efficient, be one of direction of field of television research how.
Summary of the invention
The object of the present invention is to provide a kind of television multimedia file playing system based on IGRS's technology, be intended in conjunction with existing radio network technique, so that the mode of television for play multimedia file is more succinct, efficient.
The embodiment of the invention is achieved in that a kind of television multimedia file playing system based on IGRS's technology, comprises television set and the network terminal, and described system also comprises a wireless mobile apparatus based on the VUFS of IGRS technology.
Further, described wireless mobile apparatus is arranged on the described television set body, connects the described network terminal by wireless mode, wherein,
The described network terminal is for the multimedia file of download user request;
Described wireless mobile apparatus is used for when described network terminal downloading multimedia file, by wireless mode real-time obtain the part of having downloaded in this multimedia file;
Described television set is used for the part that the multimedia file that described wireless mobile apparatus obtains has been downloaded is play.
An again purpose of the embodiment of the invention is to provide a kind of television multimedia file player method based on IGRS's technology, said method comprising the steps of:
The multimedia file of network terminal download user request;
When described network terminal downloading multimedia file, based on the wireless mobile apparatus of the VUFS of IGRS technology by wireless mode real-time obtain the part of having downloaded in this multimedia file;
The part of having downloaded in the multimedia file that television set obtains described wireless mobile apparatus is play.
The embodiment of the invention is by increasing by a wireless mobile apparatus based on the VUFS of IGRS technology at television set, this wireless mobile apparatus is by wireless mode (such as WIFI network) interconnection network terminal PC, and broadcast online multimedia file, realize succinct, and the multimedia file that can will download in the PC downloading multimedia file is play, need not the by the time whole downloads of this multimedia file and finish again broadcast, improved greatly the efficient of playing, be beneficial to the popularization of television set.
Description of drawings
The structure chart based on the television multimedia file playing system of IGRS's technology that Fig. 1 provides for the embodiment of the invention;
The flow chart based on the television multimedia file player method of IGRS's technology that Fig. 2 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention is by increasing by a wireless mobile apparatus based on the VUFS of IGRS technology at television set, this wireless mobile apparatus is based on the VUFS technology of IGRS, by wireless mode (such as WIFI network) interconnection network terminal PC, and broadcast online multimedia file, realize succinct, and the broadcast of the multimedia file that can in the PC downloading multimedia file, will download, need not the by the time whole downloads of this multimedia file and finish again broadcast.
The structure based on the television multimedia file playing system of IGRS's technology that Fig. 1 shows that the embodiment of the invention provides.Described system comprises television set 11, the wireless mobile apparatus 12 based on the VUFS of IGRS technology, Network Termination #1 3, Web server 14 and multimedia server 15.
Wherein, described wireless mobile apparatus 12 is arranged on the body of described television set 11, and by wireless mode interconnection network terminal 13.Preferably, the communication mode between wireless mobile apparatus 12 and the Network Termination #1 3 comprises the WiFi network, certainly also is not limited to the WiFi network, can also comprise infrared ray or bluetooth etc.
In specific implementation process, wireless mobile apparatus 12 is installed a client software by the network terminal (PC), the user inputs in this client software or pastes the corresponding Internet video address of playing wanted, then click beginning, wireless mobile apparatus 12 sends download instruction according to this Internet video address to Network Termination #1 3.
Network Termination #1 3 is according to the multimedia file corresponding to Internet video address of download instruction download user request.When Network Termination #1 3 downloading multimedia file, wireless mobile apparatus 12 by wireless mode real-time obtain the part of having downloaded in this multimedia file, and will store from the multimedia file that Network Termination #1 3 obtains.
The part of having downloaded in the multimedia file that television set 11 obtains wireless mobile apparatus 12 is play.
In specific implementation process, Network Termination #1 3 passes through real time streaming transport protocol (Real Time Streaming Protocol, RTSP) from the server end downloading multimedia file.
The RTSP agreement is an application layer protocol, is used for the transmission that control has the data (for example media stream) of real-time characteristic.The RTSP agreement provides remote control function for multimedia data stream, as play, stop, F.F. etc.The RTSP agreement is supported following operation:
A, obtain media from media server;
B, invitation media server add meeting (Conference);
C, in an already present demonstration (Presentation), add new Media Stream.
RTSP agreement and real time transport protocol (Real-time Transport Protocol, RTP)/RTP Control Protocol (RTCP:RTP Control Protocol) and RSVP (Resource ReSerVation Protocol, the together collaborative work of underlying protocol such as RSVP) provides the stream service based on the whole series of Internet.The RTSP agreement can be selected sendaisle and based on the transmit mechanism of RTP.The RTSP agreement can also be applied to multicast and order program service.
In the RTSP agreement, each demonstration (Presentation) and corresponding Media Stream thereof are identified by a RTSP URL.Whole demonstration and media characteristic are all described in (Presentation Description) file a demonstration and are defined, and this PD file may comprise media coding mode, language, RTSPURL, destination address, port and other parameter.Network Termination #1 3 is before the service of certain continuous media of server request, and the PD file that must be at first obtains this Media Stream from server can adopt HTTP, email or additive method to obtain obtaining of essential parameter PD file.
All operations in the RTSP agreement all are to finish by the acknowledgement messaging of server and Network Termination #1 3, its message comprises request (Request) and response (Response) two kinds, the RTSP agreement is finished the operations such as establishment, initialization (SETUP), video cassette recorder (Video Cassette Recorder, VCR) control (PLAY, PAUSE) and take out stitches (TEARDOWN) of Media Stream just by the acknowledgement messaging of server and Network Termination #1 3.
See also Fig. 1, Network Termination #1 3 is before multimedia server 15 request Video service, at first obtain the PD file of the Video service of asking from Web server 14 by http protocol, according to the locating information of the corresponding multimedia file of this PD file acquisition, such as the information such as coded system of Video service address (comprising multimedia server address and port numbers) and Video service.Then, Network Termination #1 3 is asked Video service according to the locating information of obtaining to multimedia server 15.The Video service initialization is complete, multimedia server 15 is set up a new Video service stream for this Network Termination #1 3, Network Termination #1 3 and multimedia server 15 operation real-time streams control protocol RTSP, so that this stream is carried out the exchange of various VCR control signals, as playing (PLAY), stopping (PAUSE), F.F., rewind down etc.Complete when service, Network Termination #1 3 sends (TEARDOWN) request of taking out stitches.
Can generate in this locality the multimedia file of playing immediately for player by the RTSP agreement, rather than the such scattered file of other agreements.It is complete that the part that has downloaded this document front keeps, and it is multimedia file that television set 11 can be identified this document, thereby play this document.Certainly, the prerequisite of playing the online multimedia file must be that network speed is than very fast, only the speed of guaranteed current download file is greater than then always consistently online broadcast of the speed of playing, the invention process in, use the speed of WIFI Internet Transmission file very fast, basically can ignore it to the impact of broadcasting speed.
In embodiments of the present invention, wireless mobile apparatus 12 is based on the VUFS technology of IGRS, by wireless mode (WIFI network), the file of sharing on the Network Termination #1 3 is invented USB flash disk, thereby so that support the television set 11 of USB playing function to possess IGRS's direct memory access (DMA) (Direct Memory Access, DMA) function; And, by at Network Termination #1 3 client software being installed, input or paste the corresponding Internet video address of playing wanted in the client software of wireless mobile apparatus 12, then click beginning, then this Network Termination #1 3 begins to download this online multimedia file, then with on the wireless mobile apparatus 12 access television sets, then television set 11 can be seen the USB flash disk of mapping by wireless mobile apparatus 12, read the multimedia file of this USB flash disk the inside, play as local multimedia file, the user does not then need through oversize wait, namely can watch Online Video by wireless network when Network Termination #1 3 is downloaded.
This wireless mobile apparatus 12 can be widely used in various support USB (Universal Serial, USB) equipment of interface, except the television set 11 of supporting the USB playing function, can also be for products such as the digital video disk (Digital Video Disk, DVD) of supporting the USB playing function, digital photo frame (DPF), digital TV set-top box.And, in use, need not to revise existing equipment and networking, namely can realize the local basis realization netcast video capability of playing.
This wireless mobile apparatus 12 is passing through Network Termination #1 3 in downloading multimedia file, television set 11 can be play this multimedia file by same principle, and do not need to wait for that multimedia file is downloaded finishes and could play, for there not being network interface, the equipment of not supporting online multimedia file to play has carried out good support.
The flow process based on the television multimedia file player method of IGRS's technology that Fig. 2 shows that the embodiment of the invention provides.
In step S101, the user is at the network terminal (PC end) access wireless mobile apparatus;
In step S102, wireless mobile apparatus receives the Internet video address of the multimedia file of user's input;
In step S103, the user accesses television set with wireless mobile apparatus, and television set selects multimedia file to play;
In step S104, wireless mobile apparatus sends download instruction to the network terminal;
In step S105, the multimedia file of network terminal download user request;
In step S106, when described network terminal downloading multimedia file, wireless mobile apparatus by wireless mode real-time obtain the part of having downloaded in this multimedia file;
In specific implementation process, wireless mobile apparatus will be stored from the multimedia file that the described network terminal obtains.
In step S107, the part of having downloaded in the multimedia file that television set obtains described wireless mobile apparatus is play.
Concrete, described step S105 specifically comprises: the locating information of obtaining described multimedia file according to described download instruction from Web server; Obtain described multimedia file according to described locating information to described multimedia server; With the multimedia file that obtains real-time be sent to described wireless mobile apparatus, more detailed process is above being stated, repeats no more herein.
Preferably, the communication mode between described wireless mobile apparatus and the described network terminal comprises the WiFi network.
In the embodiment of the invention, by increasing by a wireless mobile apparatus based on the VUFS of IGRS technology based on the VUFS of IGRS technology at television set, this wireless mobile apparatus is by wireless mode (such as WIFI network) interconnection network terminal PC, and broadcast online multimedia file, realize succinct, and the multimedia file that can will download in the PC downloading multimedia file is play, need not the by the time whole downloads of this multimedia file and finish again broadcast, improve greatly the efficient of playing, be beneficial to the popularization of television set.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (5)
1. the television multimedia file playing system based on IGRS's technology is characterized in that, comprises television set and the network terminal, and described system also comprises a wireless mobile apparatus based on the VUFS of IGRS technology;
Described wireless mobile apparatus is arranged on the described television set body, connects the described network terminal by wireless mode, wherein,
The described network terminal is for the multimedia file of download user request;
Described wireless mobile apparatus is used for when described network terminal downloading multimedia file, by wireless mode real-time obtain the part of having downloaded in this multimedia file;
Described television set is used for the part that the multimedia file that described wireless mobile apparatus obtains has been downloaded is play;
Described wireless mobile apparatus also be used for to receive the Internet video address of the multimedia file of user's input, and sends download instruction according to this Internet video address to the described network terminal;
Described system also includes Web server and the multimedia server that is connected with the described network terminal, wherein,
The described network terminal is also for the PD file that obtains first the Video service of asking according to described download instruction from Web server, according to the locating information of the described multimedia file of this PD file acquisition; And, obtain described multimedia file according to described locating information to described multimedia server, the Video service initialization is complete, multimedia server is set up a new Video service stream for this network terminal, the network terminal and multimedia server operation real-time streams control protocol, this Video service stream is carried out the exchange of VCR control signal, and with the multimedia file that obtains real-time be sent to described wireless mobile apparatus.
2. the television multimedia file playing system based on IGRS's technology as claimed in claim 1 is characterized in that, the communication mode between described wireless mobile apparatus and the described network terminal comprises the WiFi network.
3. the television multimedia file playing system based on IGRS's technology as claimed in claim 1 is characterized in that, described wireless mobile apparatus also is used for and will stores from the multimedia file that the described network terminal obtains.
4. the television multimedia file player method based on IGRS's technology is characterized in that, said method comprising the steps of:
Wireless mobile apparatus receives the Internet video address of the multimedia file of user's input; And send download instruction according to this Internet video address to the network terminal;
The multimedia file of network terminal download user request;
When described network terminal downloading multimedia file, based on the wireless mobile apparatus of the VUFS of IGRS technology by wireless mode real-time obtain the part of having downloaded in this multimedia file; The step of the multimedia file of described network terminal download user request specifically comprises: the PD file that obtains first the Video service of asking according to described download instruction from Web server, according to this PD file, according to the locating information of the described multimedia file of this PD file acquisition; Obtain described multimedia file according to described locating information to described multimedia server, the Video service initialization is complete, multimedia server is set up a new Video service stream for this network terminal, the network terminal and multimedia server operation real-time streams control protocol are carried out the exchange of VCR control signal to this Video service stream;
The part of having downloaded in the multimedia file that television set obtains described wireless mobile apparatus is play;
With the multimedia file that obtains real-time be sent to described wireless mobile apparatus.
5. the television multimedia file player method based on IGRS's technology as claimed in claim 4 is characterized in that, in obtain the part in this multimedia file downloaded after real-time by wireless mode of wireless mobile apparatus, described method also comprises:
Wireless mobile apparatus will be stored from the multimedia file that the described network terminal obtains.
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