CN104980767A - Method for grabbing and sharing instant DVB video clips - Google Patents

Method for grabbing and sharing instant DVB video clips Download PDF

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Publication number
CN104980767A
CN104980767A CN201510452245.2A CN201510452245A CN104980767A CN 104980767 A CN104980767 A CN 104980767A CN 201510452245 A CN201510452245 A CN 201510452245A CN 104980767 A CN104980767 A CN 104980767A
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CN
China
Prior art keywords
media fragment
terminal
continuous print
multiple continuous
network address
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CN201510452245.2A
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Chinese (zh)
Inventor
张志刚
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Beijing Shixin Interactive Technology Co Ltd
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Beijing Shixin Interactive Technology Co Ltd
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Priority to CN201510452245.2A priority Critical patent/CN104980767A/en
Publication of CN104980767A publication Critical patent/CN104980767A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/858Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-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
    • H04N21/47202End-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 requesting content on demand, e.g. video on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/854Content authoring
    • H04N21/8547Content authoring involving timestamps for synchronizing content

Abstract

The invention provides a method for grabbing and sharing instant DVB video clips. The invention provides the method for grabbing and sharing instant medium clips based on a network server and a digital set-top-box, the network server and the set-top-box. The method comprises the steps of receiving a capturing instruction by a terminal; transmitting medium clip request information to the set-top-box through a local area network, wherein the information comprises a channel mark, a time stamp and a time period length information of the channel in which the medium clip that is requested by a capturing instruction exists; receiving a plurality of continuous medium clips which are transmitted by the set-top-box through the local area network, wherein the plurality of continuous medium clips are medium clips which correspond with the time period on the channel; transmitting a sharing request by the terminal to the network server through Internet, and automatically forwarding the plurality of continuous medium segments, the time stamp and the corresponding channel mark without manual participation of a user; and receiving a network address by the terminal from the network server and transmitting the network address to other terminals, wherein the network address indicates a page storing position which comprises the plurality of continuous medium clips, thereby facilitating sharing. According to the method provided by the technical solution, the set-top-box can be used as a program source for grabbing the medium clips, and furthermore the program clips can be captured in real time.

Description

A kind of crawl of instant DVB video clips and sharing method
Technical field
The present invention relates to communication technical field, particularly media fragment grasping means, media fragment sharing method, the webserver and Set Top Box.
Background technology
Along with the fast development of network, increasing user is exchanged each other by network, and also increasing people shares some information by network, the video segment of such as program.In the prior art, program stream and then by the Internet be shared with multiple mobile terminal is obtained by the Internet from program source by the cloud server disposed on the internet.Because program stream is obtained from program source by the Internet, by the constraint of technical limitations and Internet Transmission, larger time delay can be brought to the propagation of program source, cannot follow according to user's request, catch the video clips in program stream in real time.
Summary of the invention
The embodiment of the present invention provides a kind of new media fragment acquisition methods, media fragment sharing method, the webserver and Set Top Box.
One embodiment of the invention provides a kind of crawl and sharing method of instant DVB video clips, comprising: terminal receives and catches instruction; Described seizure instruction catches media fragment for asking; Terminal sends media fragment request message by local area network (LAN) to Set Top Box, and described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; By multiple continuous print media fragments that local area network receiver top box sends, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Terminal through internet forwards described multiple continuous print media fragment to the webserver; Terminal through internet receives network address from the webserver, and described network address indicates the deposit position of the page containing described multiple continuous print media fragment; Terminal sends described network address to other-end, to share the media fragment on the page indicated by described network address to other-end.Wherein, the information of described time period comprises: the timestamp of Media Stream of the current broadcasting corresponding to the time of reception of described seizure instruction and the length of time period.
One embodiment of the invention provides a kind of terminal, comprising: the first receiving element, for receiving seizure instruction; Described seizure instruction catches media fragment for asking; Second transmitting element, for sending media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; Wherein, the information of described time period comprises: the timestamp of Media Stream of the current broadcasting corresponding to the time of reception of described seizure instruction and the length of time period; Second receiving element, for the multiple continuous print media fragments sent by local area network receiver top box, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; 3rd transmitting element, for forwarding described multiple continuous print media fragment by the Internet to the webserver; The network address received from the webserver is sent, to share the media fragment on the page indicated by described network address to other-end to other-end; 3rd receiving element, for receiving network address by the Internet from the webserver, described network address indicates the deposit position of the page containing described multiple continuous print media fragment.
One embodiment of the invention provides a kind of media fragment grasping means, comprise: the media fragment request message that Set Top Box is sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; Set Top Box, according to described media fragment request message, obtains multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Set Top Box sends described multiple continuous print media fragment by local area network (LAN) to described terminal.The embodiment of the present invention provides a kind of Set Top Box, comprise: receiving element, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; Acquiring unit, for according to described media fragment request message, obtains multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Transmitting element, sends described multiple continuous print media fragment by local area network (LAN) to described terminal.
Further embodiment of this invention provides a kind of Set Top Box, comprise: processor, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; According to described media fragment request message, obtain multiple continuous print media fragment, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Described multiple continuous print media fragment is sent to described terminal by local area network (LAN); Power management module, for powering for described processor.
One embodiment of the invention provides a kind of media fragment grasping means, comprising: the webserver receives the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet; The webserver generates network address, and described network address indicates the deposit position of the page comprising described multiple continuous print media fragment; The webserver sends described network address by the Internet to described terminal, so that described network address is shared with other-end by terminal.
One embodiment of the invention provides a kind of webserver, comprising: receiving element, for being received the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet; Generation unit, comprise network address for generating, described network address indicates the deposit position of the page comprising described multiple continuous print media fragment; Transmitting element, for sending described network address by the Internet to described terminal, so that described network address is shared with other-end by terminal.
Another embodiment of the present invention provides a kind of webserver, comprising: processor, for being received the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet; Generate network address, described network address indicates the page deposit position comprising described multiple continuous print media fragment; Described network address is sent to described terminal, so that described network address is shared with other-end by terminal by the Internet; Power management module, for powering for described processor.
The embodiment of the present invention provides a kind of network system, comprising: terminal, the webserver and Set Top Box; Described terminal, for receiving seizure instruction; Described seizure instruction catches media fragment for asking; Send media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; By multiple continuous print media fragments that local area network receiver top box sends, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Described multiple continuous print media fragment is sent to the webserver by the Internet; Terminal through internet receives network address from the webserver, and described network address indicates the deposit position of the webpage comprising described multiple continuous print media fragment; Terminal sends described network address to other-end, to share the media fragment on webpage indicated by described network address to other-end; Described Set Top Box, for the media fragment request message sent by local area network (LAN) receiving terminal, according to described media fragment request message, obtains described multiple continuous print media fragment, sends described multiple continuous print media fragment by local area network (LAN) to described terminal; The described webserver, for the described multiple continuous print media fragments sent by the Internet receiving terminal, is generated described network address, sends described network address by the Internet to described terminal.
Technical scheme provided by the invention, can be with Set Top Box program source to capture media fragment, do not need the webserver to capture fragment by the Internet from specific program source.
Accompanying drawing explanation
Fig. 1 is that the media fragment that the embodiment of the present invention provides captures and share system structure chart;
Fig. 2 is the flow chart of the media fragment sharing method that one embodiment of the invention provides;
Fig. 3 is the flow chart of the media fragment grasping means that one embodiment of the invention provides;
Fig. 4 is the flow chart of the media fragment sharing method that one embodiment of the invention provides;
Fig. 5 is that the media fragment that one embodiment of the invention provides captures and the method flow diagram shared;
Fig. 6 is the structure chart of the terminal that one embodiment of the invention provides;
Fig. 7 is the structure chart of the Set Top Box that one embodiment of the invention provides;
Fig. 8 is the structure chart of the Set Top Box that another embodiment of the present invention provides;
Fig. 9 is the structure chart of the webserver that the embodiment of the present invention provides;
Figure 10 is the structure chart of the webserver that another embodiment of the present invention provides.
Embodiment
One embodiment of the invention provides a kind of network system, be specially media fragment to capture and share system, as shown in Figure 1, it comprises: terminal 10, the webserver 12, and Set Top Box 14, wherein, the webserver 12 is cloud server, and Set Top Box 14 is top box of digital machine, and terminal and Set Top Box are in same LAN.Wherein, this terminal can be mobile terminal (such as mobile phone, notebook) or desktop computer.This terminal has run client, and this client is the interior raw application be embedded in third party's social platform, specifically with the public number of micro-letter and web browser for client carrier, can come for offering customers service.Public number in such as micro-letter, if user clicks pay close attention to this public number, then this interior raw application be embedded in third party's social platform just can third party's social platform on the terminal have been run.The client of this terminal also can be arranged on mobile phone after the APP in web browser or app store is downloaded.In this embodiment, the operation of terminal 10 can by the client executing of terminal, the client of this terminal comprises the interior raw application be embedded in third party's social platform (such as micro-letter), and subsequent terminal 10 sends message to the webserver 12 and can be embedded in raw application in third party's social platform in terminal and send message by micro-letter client, micro-letter back-end system to the webserver.Subsequent terminal 10 sends message to Set Top Box 14 and can be embedded in raw application in third party's social platform in terminal and send message by micro-letter client to Set Top Box 14.
Set Top Box 14 pushes the Media Stream of certain channel to terminal 10 by local area network (LAN); Set Top Box 14 to schedule interval extracts media fragment and preserves from described Media Stream, and the concrete operations of Set Top Box refer to the detailed description of subsequent embodiment.
The Media Stream that terminal 10 receiving set up box 14 pushes, when media stream, receives the seizure instruction that user triggers, and described seizure instruction catches media fragment for asking.Terminal 10 sends media fragment request message by local area network (LAN) to Set Top Box 14, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught, Media Stream corresponding to described channel identication, wherein, the information of time period comprises the length of timestamp and time period.The concrete operations of terminal refer to the detailed description of subsequent embodiment.
Set Top Box 14 receives this media fragment request message, according to described media fragment request message, from preserved media fragment, obtain multiple continuous print media fragment, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period.Set Top Box 14 sends the plurality of continuous print media fragment by local area network (LAN) to terminal 10 after obtained media fragment can being converted to the media fragment (such as base64 coded format) of the form being applicable to distribution and transmission.
Terminal 10 forwards the plurality of continuous print media fragment by the Internet to the webserver 12, the channel identication of the plurality of continuous print media fragment place channel and the information of time period.Terminal 10 can also by the Internet to the webserver 12 forwarding unit information, and this facility information comprises: user ID, so that the webserver 12 is added up or follow-uply user ID to be also shown on the page.
The webserver 12 receives this sharing request, and generate network address (such as URL network address), described network address indicates the deposit position of the page comprising described multiple continuous print media fragment, sends described network address by the Internet to described terminal 10.The webserver 12 can also according to described channel identication and the information of described time period, generate programme information, the program that time period corresponding to information of the described time period that described programme information indicates on described channel plays, preserves programme information on the page.Concrete, the webserver dynamically can generate a new page, the plurality of continuous print media fragment and programme information is assembled in this page, and is kept in the database of the webserver.The concrete operations of this webserver refer to the detailed description of subsequent embodiment.
Terminal 10 receives the described network address that the webserver 12 sends, and described network address is sent to other-end.This terminal 10 by the described network address of access, can also delete in the multiple media fragments on the page corresponding to described network address the media fragment not needing to retain, and leaves the media fragment needing to retain.
Implemented the grasping manipulation of media fragment by Set Top Box in the embodiment of the present invention, multiple continuous print media fragments from Set Top Box are sent to the webserver by terminal, and the network address indicating the deposit position of the plurality of continuous print media fragment that the webserver generates is sent to other-end, can share the content of media fragment as other-end.Further, owing to being that viewing limit in limit is shared when user watches programme televised live, and this program is Set Top Box is obtained by Special electric view (such as cable TV), the time delay of program is very little (such as 10-15s), the program fragment captured so corresponding is relatively more accurate, and what energy was real-time captures program fragment.
Terminal in the embodiment of the present invention can be mobile terminal or desktop computer etc., the webserver in the Internet can be cloud server, Set Top Box can be top box of digital machine, follow-uply will to be described for mobile terminal and cloud server and top box of digital machine, to it will be understood by those skilled in the art that it not as limitation of the present invention.
One embodiment of the invention provides a kind of crawl and sharing method of instant DVB video clips, the method operates in terminal, the method goes for following application scenarios, namely Set Top Box pushes Media Stream to terminal, so that the user of terminal watches programme televised live, the user of terminal sees while share media fragment.Certainly, the method also goes for other scene.Wherein, the method can by the client executing of terminal, and the client of this terminal comprises the interior raw application be embedded in third party's social platform.As shown in Figure 2, the method specifically comprises:
Step 20, terminal receive and catch instruction; Described seizure instruction catches media fragment for asking.
User can when watching programme televised live, to shake the hand machine by shaking one, or directly click capture button and trigger seizure instruction, mobile terminal receives and catches instruction, wherein catch instruction and catch media fragment for asking, the channel at media fragment place that the request that indicates catches and the length of media fragment, the long media fragment of such as 4s.Concrete, this length can be selected by user oneself, also can be determined by terminal, and this length specifically comprises: user triggers moment to the former second and/or several seconds backward that catch instruction.
Step 21, terminal send media fragment request message by local area network (LAN) to Set Top Box, and described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught, Media Stream corresponding to described channel identication.
Wherein, the information of this time period comprises: the timestamp of the Media Stream of the length of time period and the current broadcasting corresponding to the time of reception of described seizure instruction; That is, user triggers the timestamp of the current broadcasting of the Media Stream corresponding to moment catching instruction, and when user triggers seizure instruction, where Media Stream has been played to exactly.The length of this timestamp and time period together defines in Media Stream the media fragment needing to catch.Wherein, this timestamp can be the start time point of time period, now needs the media fragment of catching then for count from this timestamp, the video segment of this time period length after this timestamp; Wherein, this timestamp can be the end time point of time period, now needs the media fragment of catching then for count from this timestamp, the video segment of this time period length before being positioned at this timestamp; This timestamp also can be the interlude point of this time period, and such as time period length is 10 seconds, now needs the media fragment of catching then for centered by this timestamp, the video segment in first 5 seconds of this timestamp and the time period of latter 5 seconds of this timestamp.
Multiple continuous print media fragments that step 22, terminal are sent by local area network receiver top box, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period.
Wherein, optionally, in this step, multiple continuous print media fragments that terminal can be sent by local area network receiver top box, the information of channel identication and time period.
Wherein, the form of the plurality of continuous print media fragment is the form being applicable to distribution and transmission, the such as media fragment of base64 said shank.
Step 23, terminal through internet forward multiple continuous print media fragment to the webserver.
Wherein, optionally, in this step, terminal through internet forwards the multiple continuous print media fragments from Set Top Box to the webserver, the information of channel identication and time period.Also can to webserver forwarding unit information, such as user ID.
Wherein, this step is that terminal receives multiple continuous print media fragment from Set Top Box, automatically received content is forwarded to cloud server, does not need user to participate in after the information such as the information of channel identication and time period, improves Consumer's Experience.
Step 24, terminal through internet receive network address from the webserver, and described network address indicates the deposit position of the page comprising described multiple continuous print media fragment.
Wherein, this network address can be URL network address, and the page that URL network address is corresponding is loaded with the plurality of continuous print media fragment.All right displays program information on the page that then this URL network address is corresponding, this programme information indicates in the program on the channel corresponding to channel identication, the concrete program corresponding to this time period information.
Step 25, terminal send described network address to other-end, media fragment is shared with other mobile terminals.
Step 26, terminal can also access described network address, deletes the media fragment not needing to retain from the described multiple continuous print media fragments the webpage corresponding to described network address, leaves the media fragment needing to retain.
This step 26 is optional steps, and namely mobile terminal can access this URL network address, edit multiple continuous print media fragments that the page corresponding to URL network address stores, and can delete that oneself is undesired and retain and oneself want.The media fragment number that the page corresponding to URL network address is preserved is few, when this mobile terminal and this URL of other mobile terminal accessing, can reduce the access time, reduce inter alia when accessing URL, loading the time delay of content on the URL page.
Media fragment to be shared in the embodiment of the present invention is provided by Set Top Box, does not need cloud server to obtain from special program source.Further, multiple continuous print media fragments from Set Top Box are transmitted to cloud server by mobile terminal automatically, and manually participate in without the need to user, and the network address indicating the deposit position of the plurality of continuous print media fragment that cloud server generates is sent to other-end, can share the content of media fragment as other-end.Further, owing to being that viewing limit in limit is shared when user watches programme televised live, and this program is top box of digital machine is obtained by Special electric view (such as cable TV), the time delay of program is very little (such as 10-15s), the program fragment captured so corresponding is relatively more accurate, and what energy was real-time captures program fragment.
Another embodiment of the present invention provides a kind of Media Stream grasping means, the method performs on the set-top box, the method goes for following application scenarios, namely Set Top Box pushes Media Stream to terminal, so that the user of terminal watches programme televised live, user's request while viewing programme televised live of terminal catches media fragment, and namely Set Top Box receives media fragment request message while propelling movement Media Stream.As shown in Figure 3, the method specifically comprises:
Step 30, Set Top Box push Media Stream by local area network (LAN) to terminal.
Wherein, this Media Stream is that Set Top Box is obtained from program source by some special TV networks (such as cable TV), so the time delay of Media Stream is very little, and such as 10-15s second.Accordingly, Set Top Box understands the program stream of the buffer memory scheduled time, and wherein, this scheduled time can be 10-15 second, and that is, Set Top Box understands the program stream of buffer memory 10-15 second.
Step 31, Set Top Box to schedule interval extract media fragment and preserve from described Media Stream.
Meanwhile, Set Top Box extracts video thumbnails according to predetermined time interval continuous print from Media Stream, and wherein predetermined time interval can be 0.5s, also can be other times.Wherein, this video thumbnails instead of one section of video with a pictures.This video thumbnails can be PNG form, because the picture compression efficiency of jpeg format is very high, so Set Top Box can convert the video thumbnails of PNG form the picture of jpeg format to and preserve.
Because Set Top Box uses the memory space of fixed size, only circulation stores the picture produced in the scheduled time, such as only stores the picture produced in nearest 15 seconds.To the picture produced again later, the picture produced before the mode according to first in first out being replaced it, the picture namely generated at first is replaced at first, by that analogy.Like this, do not need to take very large memory space, save the memory space of Set Top Box.
The media fragment request message that step 32, Set Top Box are sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication.Wherein, the information of this time period comprises: the length of timestamp and time period.About the associated description introducing embodiment part shown in Figure 2 of timestamp and the length of time period, do not repeat them here.
Step 33, Set Top Box, according to described media fragment request message, obtain multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period.
This Set Top Box, according to this channel identication, is determined the channel needing to catch, according to timestamp and the length of time period, is taken out the multiple continuous print media fragments corresponding to this time period from the picture prestored.
Concrete, can take timestamp as benchmark, is deducted a certain scheduled time (such as 5 seconds) time corresponding for this timestamp as the actual time point capturing fragment, now, Set Top Box determines described multiple continuous print video segment according to this actual time point of crawl and the length of time period, such as with the time point of this actual crawl for end time point, from the picture prestored, choose the picture of this time period length before this end time point.Be the natural reaction considering user operation, user first sees that a video segment is very interesting, wants to share this video segment herein, and then start operation, the time required for this process is exactly the above-mentioned scheduled time (such as 5 seconds).That is, be the natural reaction considering user operation here, the video segment of crawl can be made more accurate.Optionally, also can not consider the natural reaction of user operation, but be directly the time of actual crawl fragment with timestamp.
Step 34, Set Top Box send described multiple continuous print media fragment by local area network (LAN) to described terminal, so that the plurality of continuous print media fragment is sent to the webserver by this terminal, realize sharing with other mobile terminals.
Optionally, also comprise before this step: Set Top Box needs are converted to multiple fragment being applicable to the form distributed and transmit multiple JPEG picture corresponding to this time period, such as, convert the segment of multiple base64 said shank to, then multiple fragment being applicable to form that is live and that transmit is sent to described mobile terminal by Set Top Box in this step.
Owing to using third party's social platform (such as micro-letter) or web browser, this kind of software does not have automatic reception and buffer capacity, if want upload file, necessarily need user to participate in, namely need user manually to receive picture on mobile terminals, preserve, manual select File, uploads again.Consumer's Experience is bad.Adopt and be applicable to distribute and the fragment (such as the segment of base64 said shank) of form of transmission, can based on the files passe page of browser directly realizing automatic no user and participate in.In addition, mobile terminal is limited to the upstream bandwidth in cloud server direction, usually smaller, subsequent movement terminal can upload the fragment (such as the segment of base64 said shank) being applicable to the form distributed and transmit, to make full use of limited upstream bandwidth by multithreading.
The embodiment of the present invention needs the video segment caught to be supplied to mobile terminal by Set Top Box, and does not need cloud server to obtain video segment by the Internet from other specific program source.Further, owing to being that viewing limit in limit is shared when user watches programme televised live, and this program is Set Top Box is obtained by Special electric view (such as cable TV), the time delay of program is very little (such as 10 1 15s), so the program fragment that Set Top Box captures is relatively more accurate, what energy was real-time captures program fragment.
Further embodiment of this invention provides a kind of Media Stream sharing method, the method performs on the webserver, in this embodiment, terminal can be mobile terminal or desktop computer etc., the webserver in the Internet can be cloud server, and in the method, the detailed description of each step will be described for mobile terminal and cloud server.As shown in Figure 4, the method specifically comprises:
Step 40, the webserver receive the message from Set Top Box forwarded by terminal by the Internet, this message comprises: multiple continuous print media fragment, the channel identication of channel at all right the plurality of continuous print media fragment place of this message and the information of time period, this message can also comprise: the facility information etc. of terminal, and wherein the facility information of terminal comprises the ID of user.
Step 41, the webserver generate network address, and described network address indicates the deposit position of the page comprising described multiple continuous print media fragment.
Wherein, this step can also comprise: the webserver, according to described channel identication and the information of described time period, generates programme information, the program that time period corresponding to information of the described time period that described programme information indicates on described channel plays; Concrete, cloud server finds the programme corresponding to this channel identication in channel list, according to the concrete program in the information determination programme of time period.Now, this page also houses described programme information.
Concrete, cloud server can according to standard form, and the page that dynamically generation one is new, comprises programme information, end message etc., and be assembled in this page by the plurality of continuous print media fragment, and be kept in the database of the webserver.In subsequent step 42, the URL network address of the page is sent to mobile terminal by cloud server.
Wherein, the assembling of the plurality of continuous print media fragment is specifically being comprised: cloud server converts multiple media fragments of the form of applicable distribution and transmission multiple media fragments of the form of applicable image procossing to, such as multiple media fragments of base64 coded format are converted to multiple pictures of jpeg format, then the plurality of picture is assembled into this page, so that subsequent user process.
Step 42, the webserver send described network address by the Internet to described terminal.
The cloud server of the embodiment of the present invention obtains multiple continuous print media fragment by terminal from Set Top Box, and no longer needs to obtain multiple continuous print media fragment by the Internet from specific program source.
One embodiment of the invention provides a kind of crawl and sharing method of media fragment, and as shown in Figure 5, the method specifically comprises:
Step 501, Set Top Box push the Media Stream of certain channel to terminal by local area network (LAN).
Step 502, Set Top Box to schedule interval extract media fragment and preserve from described Media Stream.
Step 503, terminal, when media stream, receive the seizure instruction that user triggers, and described seizure instruction catches media fragment for asking.
Step 504, terminal send media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught, Media Stream corresponding to described channel identication, wherein, the information of time period comprises the length of timestamp and time period.
Step 505, Set Top Box, according to described media fragment request message, obtain multiple continuous print media fragment from preserved media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period.Obtained media fragment can also be converted to the media fragment (such as base64 coded format) of the form being applicable to distribution and transmission by Set Top Box.
Step 506, Set Top Box send the plurality of continuous print media fragment by local area network (LAN) to terminal, the information of channel identication and time period.
Step 507, terminal forward multiple continuous print media fragment by the Internet to the webserver automatically, the information of channel identication and time period.
Step 508, the webserver utilize channel identication to find programme corresponding to this channel, then according to information and this programme of time period, determine the concrete programme information of this time period on this channel, and generating network address (such as URL network address), described network address indicates the deposit position of the page comprising described multiple continuous print media fragment and programme information.
Step 509, the webserver send described network address by the Internet to described terminal.
Step 510, terminal receive the described network address that the webserver sends, and described network address is sent to other-end.This terminal by the described network address of access, can also delete in the multiple media fragments on the page corresponding to described network address the media fragment not needing to retain, and leaves the media fragment needing to retain.
Wherein, the concrete operations of Set Top Box, terminal and the webserver refer to the detailed description of aforementioned each corresponding embodiment.
Implemented the grasping manipulation of media fragment by Set Top Box in the embodiment of the present invention, multiple continuous print media fragments from Set Top Box are sent to the webserver by terminal, and the network address indicating the deposit position of the plurality of continuous print media fragment that the webserver generates is sent to other-end, can share the content of media fragment as other-end.Further, owing to being that viewing limit in limit is shared when user watches programme televised live, and this program is Set Top Box is obtained by Special electric view (such as cable TV), the time delay of program is very little (such as 10-15s), the program fragment captured so corresponding is relatively more accurate, and what energy was real-time captures program fragment.
Consult Fig. 6, the embodiment of the present invention provides a kind of terminal, and this terminal comprises:
First receiving element 61, for receiving seizure instruction; Described seizure instruction catches media fragment for asking;
Second transmitting element 62, for sending media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; Wherein, the information of described time period comprises: the timestamp of Media Stream of the current broadcasting corresponding to the time of reception of described seizure instruction and the length of time period;
Second receiving element 63, for the multiple continuous print media fragments sent by local area network receiver top box, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
3rd transmitting element 64, for forwarding described multiple continuous print media fragment by the Internet to the webserver; The network address received from the webserver is sent, to share the media fragment on the page indicated by described network address to other-end to other-end;
3rd receiving element 65, for receiving network address by the Internet from the webserver, described network address indicates the deposit position of the page containing described multiple continuous print media fragment.
Wherein, second receiving element 63 is also for the Media Stream that receiving set up box pushes, and also terminal also comprises: broadcast unit 66, for playing this Media Stream, described first receiving element 61, receives described seizure instruction while playing described Media Stream at broadcast unit 66.
Wherein, the embodiment of each function refers to the detailed description of corresponding embodiment above, does not repeat them here.
Consult Fig. 7, the embodiment of the present invention provides a kind of Set Top Box, this Set Top Box can be top box of digital machine, specifically comprise: receiving element 701, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication;
Acquiring unit 702, for according to described media fragment request message, obtains multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
Transmitting element 703, sends described multiple continuous print media fragment by local area network (LAN) to described terminal.
Wherein, this Set Top Box can also comprise: format conversion unit 704, multiple continuous print media fragment conversions for being obtained by acquiring unit 702 are applicable to the media fragment of distribution and transformat, the such as file of base 64 coded format, then by transmitting element 703, the media fragment being applicable to distribution and transformat is sent to described terminal by local area network (LAN).
This Set Top Box also comprises:
Digital television signal receiving element 705, for receiving digital television signal;
Converting unit 706, for converting the Media Stream of applicable terminal plays to by received digital television signal; This Media Stream is the Media Stream on the channel corresponding to channel identication;
Transmitting element 703 is also for sending described Media Stream by local area network (LAN) to described terminal.
Wherein, the embodiment of each function refers to the detailed description of corresponding embodiment above, does not repeat them here.
Consult Fig. 8, the embodiment of the present invention provides a kind of Set Top Box, this Set Top Box can be top box of digital machine, specifically comprise: processor 801, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; According to described media fragment request message, obtain multiple continuous print media fragment, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Described multiple continuous print media fragment is sent to described terminal by local area network (LAN);
Power management module 802, for powering for described processor.
This process is also for converting the Media Stream of applicable terminal plays to by received digital television signal; This Media Stream is the Media Stream on the channel corresponding to channel identication; By the media stream of applicable terminal plays to terminal.
Wherein, the embodiment of each function refers to the detailed description of corresponding embodiment above, does not repeat them here.
Consult Fig. 9, the embodiment of the present invention provides a kind of webserver, and this webserver can be cloud server, and it comprises:
Receiving element 901, for receiving the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet;
Generation unit 902, comprise network address for generating, described network address indicates the deposit position of the page comprising described multiple continuous print media fragment;
Transmitting element 903, for sending described network address by the Internet to described terminal, so that described network address is shared with other-end by terminal.
Wherein, the embodiment of each function refers to the detailed description of corresponding embodiment above, does not repeat them here.
Consult Figure 10, another embodiment of the present invention provides a kind of webserver, and this webserver can be cloud server, and it comprises: processor 1001, for being received the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet; Generate network address, described network address indicates the page deposit position comprising described multiple continuous print media fragment; Described network address is sent to described terminal, so that described network address is shared with other-end by terminal by the Internet;
Power management module 1002, for powering for described processor.
Wherein, the embodiment of each function refers to the detailed description of corresponding embodiment above, does not repeat them here.
Above the crawl of media fragment provided by the present invention and sharing method and device thereof are described in detail, for one of ordinary skill in the art, according to thought of the present invention, all may will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (15)

1. the crawl of instant DVB video clips and a sharing method, is characterized in that, comprising:
Terminal receives and catches instruction; Described seizure instruction catches media fragment for asking;
Terminal sends media fragment request message by local area network (LAN) to Set Top Box, and described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication;
By multiple continuous print media fragments that local area network receiver top box sends, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
Terminal through internet forwards described multiple continuous print media fragment to the webserver;
Terminal through internet receives network address from the webserver, and described network address indicates the deposit position of the page containing described multiple continuous print media fragment;
Terminal sends described network address to other-end, to share the media fragment on the page indicated by described network address to other-end.
2. media fragment sharing method according to claim 1, is characterized in that,
The method also comprises:
The Media Stream that terminal receiver top box pushes also is play; Wherein, terminal receives and catches instruction specifically: terminal receives described seizure instruction while the described Media Stream of broadcasting.
3. method according to claim 1, is characterized in that,
The method also comprises:
Receive after network address from the webserver at terminal through internet, network address described in described terminal access, from the described multiple continuous print media fragments the page indicated by described network address, delete the media fragment not needing to retain.
4. method according to claim 1, it is characterized in that, described media fragment sharing method is by the client executing of terminal, the client of described terminal comprises the interior raw application be embedded in third party's social platform, or the client of described terminal comprises the interior life be embedded in third party's social platform and applies and third party's social platform.
5. a terminal, is characterized in that, comprising:
First receiving element, for receiving seizure instruction; Described seizure instruction catches media fragment for asking;
Second transmitting element, for sending media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; Wherein, the information of described time period comprises: the timestamp of Media Stream of the current broadcasting corresponding to the time of reception of described seizure instruction and the length of time period;
Second receiving element, for the multiple continuous print media fragments sent by local area network receiver top box, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
3rd transmitting element, for forwarding described multiple continuous print media fragment by the Internet to the webserver; The network address received from the webserver is sent, to share the media fragment on the page indicated by described network address to other-end to other-end;
3rd receiving element, for receiving network address by the Internet from the webserver, described network address indicates the deposit position of the page containing described multiple continuous print media fragment.
6. a media fragment grasping means, is characterized in that,
The media fragment request message that Set Top Box is sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication;
Set Top Box, according to described media fragment request message, obtains multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
Set Top Box sends described multiple continuous print media fragment by local area network (LAN) to described terminal.
7. method according to claim 6, is characterized in that,
Before the media fragment request message that Set Top Box is sent by local area network (LAN) receiving terminal, the method also comprises:
Set Top Box extracts media fragment from Media Stream and preserves pushing while Media Stream interval to schedule by local area network (LAN) to terminal; Described Media Stream is the Media Stream corresponding to described channel identication;
Described Set Top Box, according to described media fragment request message, obtains multiple continuous print media fragment and is specially:
Set Top Box, according to described media fragment request message, obtains described multiple continuous print media fragment from preserved media fragment.
8. method according to claim 6, is characterized in that,
Before Set Top Box sends described multiple continuous print media fragment by local area network (LAN) to described terminal, the method also comprises: the multiple media fragments obtained described multiple continuous print media fragments being converted to the form being applicable to distribution and transmission;
Wherein, described Set Top Box is the multiple media fragments of the form being applicable to distribution and transmission to described multiple continuous print media fragments that described terminal sends by local area network (LAN).
9. a Set Top Box, is characterized in that,
Receiving element, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication;
Acquiring unit, for according to described media fragment request message, obtains multiple continuous print media fragment, and described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period;
Transmitting element, sends described multiple continuous print media fragment by local area network (LAN) to described terminal.
10. a Set Top Box, is characterized in that,
Processor, for the media fragment request message sent by local area network (LAN) receiving terminal, described media fragment request message comprises: the information of asking the required time period caught in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; According to described media fragment request message, obtain multiple continuous print media fragment, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Described multiple continuous print media fragment is sent to described terminal by local area network (LAN);
Power management module, for powering for described processor.
11. 1 kinds of media fragment grasping means, is characterized in that, comprising:
The webserver receives the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet;
The webserver generates network address, and described network address indicates the deposit position of the page comprising described multiple continuous print media fragment; The webserver sends described network address by the Internet to described terminal, so that described network address is shared with other-end by terminal.
12. methods according to claim 10, is characterized in that,
Wherein, the webserver receives the message from Set Top Box forwarded by terminal by the Internet, described message comprises described multiple continuous print media fragment, the information of the time period on the channel identication of the channel at described multiple continuous print media fragment place and the described channel at described multiple continuous print media fragment place;
The method also comprises: the webserver, according to described channel identication and the information of described time period, generates programme information, the program that time period corresponding to information of the described time period that described programme information indicates on described channel plays;
The described page also comprises described programme information.
13. 1 kinds of webservers, is characterized in that, comprising:
Receiving element, for receiving the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet;
Generation unit, comprise network address for generating, described network address indicates the deposit position of the page comprising described multiple continuous print media fragment;
Transmitting element, for sending described network address by the Internet to described terminal, so that described network address is shared with other-end by terminal.
14. 1 kinds of webservers, is characterized in that, comprising:
Processor, for receiving the multiple continuous print media fragments from Set Top Box forwarded by terminal by the Internet; Generate network address, described network address indicates the page deposit position comprising described multiple continuous print media fragment; Described network address is sent to described terminal, so that described network address is shared with other-end by terminal by the Internet;
Power management module, for powering for described processor.
15. 1 kinds of network systems, is characterized in that, terminal, the webserver and Set Top Box;
Described terminal, for receiving seizure instruction; Described seizure instruction catches media fragment for asking; Send media fragment request message by local area network (LAN) to Set Top Box, described media fragment request message comprises: catch the information that instruction institute asks the time period of required seizure in the channel identication of the channel at the media fragment place caught and the Media Stream corresponding to described channel identication; By multiple continuous print media fragments that local area network receiver top box sends, described multiple continuous print media fragment is the media fragment on described channel corresponding to the described time period; Described multiple continuous print media fragment is sent to the webserver by the Internet; Terminal through internet receives network address from the webserver, and described network address indicates the deposit position of the webpage comprising described multiple continuous print media fragment; Terminal sends described network address to other-end, to share the media fragment on webpage indicated by described network address to other-end;
Described Set Top Box, for the media fragment request message sent by local area network (LAN) receiving terminal, according to described media fragment request message, obtains described multiple continuous print media fragment, sends described multiple continuous print media fragment by local area network (LAN) to described terminal;
The described webserver, for the described multiple continuous print media fragments sent by the Internet receiving terminal, is generated described network address, sends described network address by the Internet to described terminal.
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