CN102291536A - Network television automatic videotaping device driven based on user statistic data and method - Google Patents
Network television automatic videotaping device driven based on user statistic data and method Download PDFInfo
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- CN102291536A CN102291536A CN2011102551325A CN201110255132A CN102291536A CN 102291536 A CN102291536 A CN 102291536A CN 2011102551325 A CN2011102551325 A CN 2011102551325A CN 201110255132 A CN201110255132 A CN 201110255132A CN 102291536 A CN102291536 A CN 102291536A
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Abstract
The invention provides a network television automatic videotaping device driven based on user statistic data and a method. The device comprises a television colleting card, a central processor which is used for executing a procedure instruction of a software module and carrying out calculation of video encoding, video searching and the like and control of video storage, video transmission and the like, an internal memory which is used for loading a procedure of the software module and storing data in a running process, and storage equipment which is used for storing a video file and procedure data. By using the method, under the driving of the user statistic data of a live network television, a television program most concerned is automatically recorded and is further made into a request program. In the invention, not only is the effect of videotaping the television guaranteed, but also the efficiency of videotaping operation is improved.
Description
Technical field
The present invention relates to a kind of telerecording device, relate in particular to the Web TV automatic video recording device that drives based on user's statistics.
Background technology
Because the lifting of the universal rapidly and network performance of the Internet, Web TV progressively substitutes traditional cable TV, has ever-increasing user group.The basic service of Web TV comprises live telecast and program request.The video on demand content is to set live television programming video recording plan in advance by hand by the network TV server end, starts the audio-video signal video recording when arriving reproduction time, and playing programs finishes the back and generates the telerecording file, obtains through video clipping again.But, in above-mentioned on-demand content gatherer process, the program recording plan of decision on-demand content can only be obtained by manual the formulation before program broadcasts, too subjectivity and poor efficiency, and can not record a video to burst focus TV programme, be not the truest reflection to the TV programme of user's concern.Like this, the video on demand service can't guarantee to provide TV programme of greatest concern to the user, can not finely satisfy the user's request of Web TV.
Summary of the invention
Existing network television server end, can't carry out television program record according to user's degree of concern objectively, in order to overcome this weak point, the invention provides a kind of Web TV automatic video recording device and method that drives based on user's statistics, automatically analyze the degree of concern that is subjected to of live television programming, and TV programme of greatest concern recorded a video, and support the montage of video file and the issue of request program, can be issued as the video on demand program with paying close attention to TV programme easily.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Web TV automatic video recording device that drives based on user's statistics comprises central processing unit, internal memory, TV capture card, memory device, network interface, Man Machine Interface; Described TV capture card is used to import television audio and video signals, produces continuous, unpressed video data and voice data; It is the WMV data that described central processing unit is used for described video data and audio data coding, is buffered in the internal memory, continuously the WMV data is saved in memory device simultaneously, and the index building structure; Described central processing unit also is used for reading live telecast channel user's statistics and electric program guide from memory device, by calculating the rendition list of greatest concern, and WMV extracting data video file from storing, described central processing unit also is used to respond Man Machine Interface, the video file is synthesized the montage video file, and generate the video on demand program; Described TV capture card, memory device, network interface and Man Machine Interface all are connected with internal memory with central processing unit respectively by pci bus.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, the form of described video data comprises YUV and rgb format; Described audio data format is the PCM form; Described WMV data generate under the video coding program control that is loaded into internal memory.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described memory device is a hard disk; Described Man Machine Interface comprises keyboard, mouse, sound card and display; Described network interface is an Ethernet interface.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described WMV data are the file directory OU with the date, save as slicing files according to the set time segment length; Described index structure is stored in memory device and the internal memory, and file layout is a binary data, and logical construction is three grades of tree structures, comprises date, time period slicing files, three levels of key frame of video packet; Described live telecast channel user statistics is stored in the memory device, and file layout is the XML file, and record data comprise live telecast channel identication, time point and user number; Described electric program guide is for passing through network interface access electric program guide website, and the analyzing web page content obtains, and is stored in the memory device, and file layout is the XML file, and record data comprise live telecast channel identication, programm name and Pgmtime section; The described fixed time of the rendition list in every day of greatest concern calculated by described central processing unit, is stored in the internal memory, and record data comprise live telecast channel identication, programm name and Pgmtime section.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described video file, after described the rendition list of greatest concern generated, program obtained from the WMV extracting data of storage automatically, be stored in the memory device, file layout is the WMV file.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described montage video file is made up of the video-frequency band splicing interested of video file, is stored in the memory device, and file layout is the WMV file; Described video on demand program is stored in the memory device, and file layout is the WMV file.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described central processing unit is by network interface response live telecast user request, between the user, make up the transmission network of WMV data flow in the P2P mode, and described live telecast channel user statistics is saved in memory device.
In the above-mentioned Web TV automatic video recording device based on the driving of user's statistics, described central processing unit carries out burst and index construct operation to the WMV file, and the order request by network interface response user, between the user, make up the transmission network of WMV data in the P2P mode.
At the TV signal source receiving terminal, use the TV capture card, import one or more live telecast audio-video signal.Each road audio-video signal of input generates the audio-video-frequency broadcast stream that can be used for Network Transmission by the audio/video coding module.Coded program is two audio/video flows in spot broadcasting: one is sent to the direct broadcast service module, as the audio frequency and video source of direct broadcast service.They are two years old, be sent to the video storage module, form the television content storage of days past, make the video recording operation can delay execution, thereby removed the constraint that pre-establishes the program recording plan, provide the basis for analyzing earlier live television programming this operating process that is subjected to record a video after the degree of concern.
Web TV automatic video recording dress method based on the driving of user's statistics, the fixed time of every day, user's statistics and electric program guide data before the automatic video recording module reads in the setting-up time, calculate and judge the rendition list of greatest concern of each television channel, then, according to the program in the result of calculation tabulation, gather from video storaging equipment automatically, form local video file; The operator carries out the editing operation of video file by Man Machine Interface, generates the program editing file; Then, clip files is published to the order program service module, finishes the final output task of telerecording; The order program service module adopts the P2P transmission means, provides the video on demand service by network interface for the user.
Direct broadcast service of the present invention adopts the P2P transmission means, provides the live telecast service by network interface for client.Direct broadcast service comprises LIST SERVER module and issue source module, the P2P overlay network of LIST SERVER module construction audio/video flow transmission, grasp all client node information, and the issue source module is to the client transmissions live telecast audio/video flow of direct Connection Service device.The LIST SERVER module is regularly collected each live telecast channel user statistics, and is recorded as local XML file.In addition, electric program guide (EPG) service module writes down the listing data of all television channels in nearest 15 days, and is stored in this locality with the XML form; Can provide recent listing information to client by network interface.
Compared with prior art, the invention has the beneficial effects as follows:, guaranteed the attraction of video on demand content for the Web TV order program service provides the television program record content that is subjected to degree of concern high.The generation of program recording plan is the result of device objective analysis live telecast user statistics, reflects the content of TV program that paid close attention to by the user conscientiously; And this process is finished automatically by machine, has both ensured the effect of telerecording, has improved the efficient of video recording operation again.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the Web TV automatic video recording structure drawing of device based on the driving of user's statistics in the embodiment of the present invention.
Fig. 2 is the workflow diagram in the execution mode.
Fig. 3 is the signal processing schematic diagram of the TV capture card of one embodiment of the invention.
Fig. 4 is that the video coding of one embodiment of the invention is handled schematic diagram.
Fig. 5 is that the video storage of one embodiment of the invention is handled schematic diagram.
Fig. 6 is that the user of the direct broadcast service of one embodiment of the invention adds up schematic diagram.
Fig. 7 is the electric program guide service processing schematic diagram of one embodiment of the invention.
Fig. 8 is that the automatic video recording of one embodiment of the invention is handled schematic diagram.
Fig. 9 is that the video clipping of one embodiment of the invention is handled schematic diagram.
Figure 10 is that the order program service of one embodiment of the invention is handled schematic diagram.
Embodiment
Above content has been made clear, complete explanation to the present invention, and following content is described further enforcement of the present invention more in conjunction with the accompanying drawings, but enforcement of the present invention and protection range are not limited thereto.
As shown in Figure 1, this TV automatic video recording device mainly comprises: central processing unit 100, internal memory 120, TV capture card 140, memory device 150, network interface 160 and Man Machine Interface 170.
Wherein, central processing unit 100 is used to carry out software module instruction of the present invention, carries out operations such as audio/video coding, video storage content indexing, direct broadcast service control, electronic programming table analysis, the rendition list of greatest concern calculating, video contents extraction, the generation of montage video file, order program service control.Central processing unit 100 is read-in programme instruction and operational data from internal memory 120, after execution is handled, with result data write memory 120, and according to the target device that program command is set, controls the transmission of result data.
Man Machine Interface 170 comprises in the present invention: keyboard, mouse, sound card and display.By Man Machine Interface 170, carry out the mutual of operator and software module, finish the operations such as program request issue of video clipping, video.
In the present embodiment, central processing unit 100 adopts IntelR CoreTM2 Quad CPU Q82002.33GHz, internal memory 120 adopts Jin Shidun DDR3 1333 2G, TV capture card 140 uses to look and is full of the SVC400 Streaming Media and looks the audio collection card, hard disk uses Seagate ST31000528AS 1TB SATA, ethernet nic is used ATHEROS AR8121, and Man Machine Interface 170 uses working standard equipment.
As shown in Figure 2, workflow of the present invention is divided into: video coding 210, video storage 220, automatic video recording 230, video clipping 240, order program service 250, electric program guide service 260 and direct broadcast service 270.
Electric program guide service 260 is specially: download the electric program guide webpage from the electric program guide website by network interface 160, after the analysis, be recorded as local electronic programming list file.
Fig. 3 is the signal processing schematic diagram of the TV capture card 140 of one embodiment of the invention.In the embodiment shown in fig. 3, TV capture card 140 uses to look and is full of the SVC400 Streaming Media and looks the audio collection card, support compound, SVIDEO video to import and the input of non-equilibrium stereo audio, the support ultimate resolution is NTSC:720x480, PAL:720X576, support maximum frame per second 30fps, support Media Encoder to look audio collection software.In the present embodiment, TV capture card 140 uses AV interface input television audio and video signals, after the processing, is output as unpressed YUY2 video data and pcm audio data.
Fig. 4 is that the video coding 210 of one embodiment of the invention is handled schematic diagram.In the embodiment shown in fig. 4, internal memory 120 loads video coding program 420, then, central processing unit 100 is carried out video coding program 420 instructions, read in unpressed audio, video data by bus 460 from TV capture card 140, then, central processing unit 100 is encoded to WMV data 430 with audio, video data, and broadcasts as the WMV data flow at network interface 160.
Fig. 5 is that the video storage 220 of one embodiment of the invention is handled schematic diagram.In the embodiment shown in fig. 5, internal memory 120 loads video storage program 510, then, central processing unit 100 is carried out 510 instructions of video storage program, reads in the WMV data flow by bus 460 from network interface 160, then, central processing unit 100 carries out the extraction of packet and the interpolation of index entry, obtain WMV and index data 520, and storage is arrived hard disk 570, save as WMV and index data file.
Fig. 6 is that the user of the direct broadcast service 270 of one embodiment of the invention adds up schematic diagram.In the embodiment shown in fig. 6, internal memory 120 loads direct broadcast service program 601, then, central processing unit 100 is carried out 601 instructions of direct broadcast service program, read in the WMV data flow by bus 460 from network interface 160, then, central processing unit 100 is cached to up-to-date WMV data 430 in the internal memory 120 from the WMV data flow.When client 610 is initiated the live telecast playing request by LAN/WAN609, central processing unit 100 obtains client 610 request messages from network interface 160, and then, central processing unit 100 is according to 601 instructions of direct broadcast service program, mutual by network interface 160 and client 610, control video transmission between the client 610 in the P2P mode, simultaneously, client control data 603 is cached in the internal memory 120, and regularly generate live telecast channel user statistics file, be saved in the hard disk 570.
Fig. 7 is that schematic diagram is handled in the electric program guide service 260 of one embodiment of the invention.In the embodiment shown in fig. 7, internal memory 120 loads electric program guide service routine 710, then, central processing unit 100 is carried out 710 instructions of electric program guide service routine, calls network interface 160 by bus 460, the electric program guide web page contents is downloaded in electric program guide website 790 from WAN780, then, after the central processing unit 100 analyzing web page contents, obtain electric program guide data 720, and save as the electronic programming list file, store hard disk 570 into.
Fig. 8 is that the automatic video recording 230 of one embodiment of the invention is handled schematic diagram.In the embodiment shown in fig. 8, internal memory 120 loads automatic video recording program 810, then, central processing unit 100 is carried out 810 instructions of automatic video recording program, read in statistics file and electronic programming list file by bus 460 from hard disk 570, then, central processing unit 100 calculates the rendition list 820 of greatest concern according to 810 instructions of automatic video recording program.After obtaining tabulation, central processing unit 100 reads the WMV index data, according to the index entry assigned address, extracts the program video content in the rendition list 820 of greatest concern, saves as the video file, is stored in the hard disk 570.
Fig. 9 is that the video clipping 240 of one embodiment of the invention is handled schematic diagram.In the embodiment shown in fig. 9, internal memory 120 loads video clipping program 910, and then, central processing unit 100 is carried out 910 instructions of video clipping program, connects hard disk 570 by bus 460 and reads in the video file, then, connects Man Machine Interface 170.Man Machine Interface 170 display of video clips interfaces, the operation of response video clipping.Central processing unit 100 extracts WMV data 430 according to the montage request of video from the video file, after carrying out recompile and making up, generates the montage video file, and stores hard disk 570 into.
Figure 10 is that the order program service 250 of one embodiment of the invention is handled schematic diagram.In the embodiment shown in fig. 10, internal memory 120 loads program request service routine 1001, then, central processing unit 100 is carried out 1001 instructions of order program service program, read in the video clipping file by bus 460 from hard disk 570, then, 100 pairs of video clipping files of central processing unit carry out burst and index process, generate the order video file, be saved in hard disk 570.When client 610 is initiated the request program playing request by LAN/WAN609, central processing unit 100 obtains client 610 request messages from network interface 160, and then, central processing unit 100 is according to 1001 instructions of order program service program, mutual by network interface 160 and client 610, the WMV data 430 with the order video file are loaded into internal memory 120 earlier, control video Data Transmission between the client 610 in the P2P mode again, simultaneously, client control data 603 is cached in the internal memory 120.
Claims (9)
1. a Web TV automatic video recording device that drives based on user's statistics is characterized in that comprising central processing unit (100), internal memory (120), TV capture card (140), memory device (150), network interface (160), Man Machine Interface (170); Described TV capture card is used to import television audio and video signals, produces continuous, unpressed video data and voice data; It is the WMV data that described central processing unit is used for described video data and audio data coding, is buffered in the internal memory, continuously the WMV data is saved in memory device simultaneously, and the index building structure; Described central processing unit also is used for reading live telecast channel user's statistics and electric program guide from memory device, by calculating the rendition list of greatest concern, and WMV extracting data video file from storing, described central processing unit also is used to respond Man Machine Interface, the video file is synthesized the montage video file, and generate the video on demand program; Described TV capture card (140), memory device (150), network interface (160) and Man Machine Interface (170) all are connected with internal memory (120) with central processing unit (100) respectively by pci bus.
2. the Web TV automatic video recording device that drives based on user's statistics according to claim 1 is characterized in that the form of described video data comprises YUV and rgb format; Described audio data format is the PCM form; Described WMV data generate under the video coding program control that is loaded into internal memory.
3. the Web TV automatic video recording device that drives based on user's statistics according to claim 1 is characterized in that described memory device is a hard disk; Described Man Machine Interface comprises keyboard, mouse, sound card and display; Described network interface is an Ethernet interface.
4. the Web TV automatic video recording device that drives based on user's statistics according to claim 1 is characterized in that described WMV data are the file directory OU with the date, save as slicing files according to the set time segment length; Described index structure is stored in memory device and the internal memory, and file layout is a binary data, and logical construction is three grades of tree structures, comprises date, time period slicing files, three levels of key frame of video packet; Described live telecast channel user statistics is stored in the memory device, and file layout is the XML file, and record data comprise live telecast channel identication, time point and user number; Described electric program guide is for passing through network interface access electric program guide website, and the analyzing web page content obtains, and is stored in the memory device, and file layout is the XML file, and record data comprise live telecast channel identication, programm name and Pgmtime section; The described setting of the rendition list in every day of greatest concern calculated by described central processing unit constantly, is stored in the internal memory, and record data comprise live telecast channel identication, programm name and Pgmtime section.
5. the Web TV automatic video recording device that drives based on user's statistics according to claim 1, it is characterized in that, described video file, after described the rendition list of greatest concern generates, automatically the WMV extracting data from storage obtains, be stored in the memory device, file layout is the WMV file.
6. the Web TV automatic video recording device that drives based on user's statistics according to claim 1, it is characterized in that described montage video file is made up of the video-frequency band interested splicing of video file, be stored in the memory device, file layout is the WMV file; Described video on demand program is stored in the memory device, and file layout is the WMV file.
7. the Web TV automatic video recording device that drives based on user's statistics according to claim 1, it is characterized in that, described central processing unit is by network interface response live telecast user request, between the user, make up the transmission network of WMV data flow in the P2P mode, and described live telecast channel user statistics is saved in memory device.
8. the Web TV automatic video recording device that drives based on user's statistics according to claim 7, it is characterized in that, described central processing unit carries out burst and index construct operation to the WMV file, and the order request by network interface response user, between the user, make up the transmission network of WMV data in the P2P mode.
9. utilize the kinescope method of the described Web TV automatic video recording device that drives based on user's statistics of claim 1, it is characterized in that comprising: at the fixed time of every day, user's statistics and electric program guide data before the automatic video recording module reads in the setting-up time, calculate and judge the rendition list of greatest concern of each television channel, then, according to the program in the result of calculation tabulation, gather from video storaging equipment automatically, form local video file; The operator carries out the editing operation of video file by Man Machine Interface, generates the program editing file; Then, clip files is published to the order program service module, finishes the final output task of telerecording; The order program service module adopts the P2P transmission means, provides the video on demand service by network interface for the user.
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Application publication date: 20111221 |