CN104902344A - System and method of obtaining television program short videos and sharing through network - Google Patents
System and method of obtaining television program short videos and sharing through network Download PDFInfo
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- CN104902344A CN104902344A CN201510335929.4A CN201510335929A CN104902344A CN 104902344 A CN104902344 A CN 104902344A CN 201510335929 A CN201510335929 A CN 201510335929A CN 104902344 A CN104902344 A CN 104902344A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
Abstract
The invention discloses a system and method of obtaining television program short videos and sharing through the network. The system comprises a central processor, a receiving device, a decoder, an audio and video buffer device, an encoder, a networking device, a display device and an input device. Based on the characteristics of small data size and high instantaneity of short video service, the invention combines TV service with mobile internet application, and provides a portable system and method of sharing digital television programs through the Internet. The system and method enrich network video content sources, meet user individualized demands, meanwhile enhance original digital TV service functions, and improve user experience of digital TV related products.
Description
Technical field
The present invention relates to the application of Digital Television and the Internet, particularly relate to a kind of obtain the short-sighted frequency of TV programme and by network share system and method.
Background technology
Along with the development of computer technology and the communication technology, traditional video content circulation way based on Digital Television receives the enormous impact from the Internet, but for specific user colony and specific content, digital television business is still seized of critical role.
In recent years, mobile Internet is applied, and particularly Video Applications is day by day popularized and enriched constantly, and short Video Applications wherein is more that of obtaining explosive growth.Current short-sighted frequency content sources normally picture pick-up device shooting is obtained or is forwarded by the intercepting of other network video source.The former video quality is difficult to be guaranteed, and the latter's content is more single.In order to digital television business and mobile Internet application contacts are got up, the feature little in conjunction with short the video data volume, requirement of real-time is high, propose a kind of method being obtained short-sighted frequency by digital TV contents, enrich video content source, meet the individual demand of user.
Summary of the invention
The object of this invention is to provide a kind of obtain the short-sighted frequency of TV programme and by network share system and method, native system and the emerging service pattern that method is little with this data volume of short-sighted frequency by television broadcasting, real-time is high are combined, the content resource of the original visual broadcast service of abundant excavation, enrich the source of Internet video content, meet the individual demand of user.
For reaching above object, the technical scheme that the present invention takes is: a kind of obtain the short-sighted frequency of TV programme and by network share system, it is characterized in that, described system comprises central processing unit, receiving equipment, decoder, audio and video buffer equipment, encoder, network access device, display device and input equipment, and wherein central processing unit is connected with receiving equipment, decoder, audio and video buffer equipment, encoder, network access device, display device and input equipment respectively; Receiving equipment connects decoder; Decoder connects audio and video buffer equipment; Audio and video buffer equipment connection encoder; Encoder interconnection network connection device.
A kind of employing of the present invention obtains the short-sighted frequency of TV programme and the method for the system shared by network, and it is characterized in that, described method comprises:
(1). receiving equipment receiving digital television program data stream, rectification, demultiplexing are carried out to digital television program data stream, the audio, video data obtained is delivered to decoder decode, the original audio, video data that decoder exports presents to user through display device;
(2). the original audio, video data that decoding device exports enters audio and video buffer equipment simultaneously and preserves, and audio and video buffer equipment upgrades the audio, video data preserved;
(3). user operation client module connected to the network is set up network and is connected, and input equipment is chosen the interested television program segment of user, and confirms through user;
(4). after the confirmation operational order that input equipment receives, during by intercepting short-sighted frequency, the graphical interfaces of user operation selectes audio frequency and video fragment, sends into encoder and generates short-sighted frequency, generate final short video packets of data by network access device;
(5). short piece of video is edited and processed further by client application and is shared.
The beneficial effect that the present invention produces is: the feature that the present invention is little in conjunction with short-sighted frequency business datum amount, real-time is high, digital television business and mobile Internet application contacts are got up, provides a kind of system and method being shared digital television program content easily by the Internet.Native system and method have enriched Internet video content sources, meet the individual demand of user, enhance original digital television business function simultaneously, improve the user experience of Digital Television Related product.
Accompanying drawing explanation
Fig. 1 is System's composition block diagram of the present invention;
Fig. 2 is the flow chart that audio and video buffer equipment upgrades the audio, video data preserved;
Fig. 3 is the user operation graphical interfaces figure intercepting short-sighted frequency.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to Fig. 1, native system comprises central processing unit 101, receiving equipment 102, decoder 103, audio and video buffer equipment 104, encoder 105, network access device 106, display device 107 and input equipment 108, and wherein central processing unit 101 is connected with receiving equipment 102, decoder 103, audio and video buffer equipment 104, encoder 105, network access device 106, display device 107 and input equipment 108 respectively; Receiving equipment 102 connects decoder 103; Decoder 103 connects audio and video buffer equipment 104; Audio and video buffer equipment 104 connects encoder 105; Encoder 105 interconnection network connection device 106.
System hardware function is as follows:
Central processing unit 101: response external operates, and control to coordinate each equipment work.Central processing unit receives operational order by external input device, control each equipment according to operational order and complete function, audio-video frequency content is combined with user interface, generate graphical interfaces, present to user by display device, choose satisfied short video clips for user.
Receiving equipment 102: be responsible for accepting the digital television signal that content provider provides.Receiving equipment should possess corresponding headend equipment, can receive the digital television signal provided by coaxial cable, terrestrial broadcasting, satellite broadcasting or other modes.In addition, receiving equipment need carry out rectification and de-multiplex operation according to digital television business specification to the data of digital television signal, the audio compressed data stream of not decoded and compressed video data stream.
Decoder 103: the audio compressed data stream of not decoding exported receiving equipment according to digital television business specification and compressed video data stream carry out decode operation, obtain original audio data stream and original video data stream.
Display device 107: graphical interfaces is presented to user, as feedback and the reference frame of operation, chooses satisfied short video clips for user.
Each equipment is also the chief component of ordinary numbers television receive terminal (as digital TV set-top box) above, the function completed also with the function class of ordinary numbers television receive terminal equipment seemingly.Therefore, native system can realize by increasing following equipment on ordinary numbers television receive terminal (as digital TV set-top box) basis:
Audio and video buffer equipment 104: for preserving original voice data interior for the previous period and the video data of current live TV programme progress, intercepting for user and generating short-sighted frequency.
Considering the feature that short video duration is short, data volume is little, in order to reduce expense, in buffer memory, only preserving the original voice data in current television program playing progress rate limiting time the last period and video data.Cache size is determined by following methods: (1) video cache size is determined by the limiting time of video frame size, video frame rate, preservation video.Wherein video frame size is determined by video resolution, frame of video color depth, and these information can be obtained by video decode.(2) audio buffer size is determined by the limiting time of audio frame size, audio frequency frame per second, preservation audio frequency.Wherein audio frame size is determined by every frame sampling number, bit rate, sample rate, and these information can be obtained by audio decoder.
Because short video duration is generally no more than 1 minute, the limiting time of preserving Audio and Video in suggestion buffer memory is no more than 5 minutes.The voice data and the video data that exceed this limiting time are considered as stale data, without the need to preserving.Therefore, audio and video buffer takes circulation preserving type, and expired voice data and video data can be covered by the voice data under current playing progress rate and video data and upgrade.
With reference to Fig. 2, this method has the following steps to the flow process that the audio, video data preserved upgrades:
Step one. first judge that whether current time user is carrying out intercepting or the operation of preview audio frequency and video, if user is carrying out intercepting or the operation of preview audio frequency and video, then waiting for and enter monitoring next time; If user does not carry out intercepting or the operation of preview audio frequency and video, then enter next step;
Step 2. judge that whether the audio, video data of buffer memory is expired, if there is audio/video frames expired, then upgrade audio/video frames expired in buffer memory; If do not have audio/video frames expired, then enter next step;
Step 3. judge whether user carries out channel selection operation, if user has carried out channel selection operation, then empty the data in audio and video buffer, then returned step one cycle detection; If do not carry out channel selection operation, then directly return step one cycle detection.
User needs the audio-video frequency content preserved in preview buffer memory, and intercepts the fragment of needs from the audio-video frequency content preserved, and then generates short video clips.With this, in user's preview or when intercepting audio frequency and video operation, the data in audio and video buffer can not be upgraded.
Audio data and the whether expired standard of video data as follows: the open ended frame number of audio frequency, video cache can be determined by limiting time and audio frequency, video frame rate.The index sequence number of unique Continuous accumulation all can be obtained when voice data and video data are preserved in the buffer.The difference of largest index sequence number and minimum index sequence number illustrates the totalframes preserved in buffer memory.When totalframes is greater than the open ended frame number of buffer memory, then think that the frame with minimum index sequence number is expired.
The audio-video frequency content of current live TV programme is only preserved in buffer memory.After channel selection, audio-video frequency content changes, and no longer needs the audio-video frequency content preserving a upper channel TV program in buffer memory.
Encoder 105: audio-video frequency content compression coding user selected, generates short-sighted frequency.In native system, audio-video frequency content is encoded into the short-sighted frequency of MPEG4 form.
Network access device 106: the short-sighted frequency that encoder exports is packaged into packet according to specific network communication protocol, is transmitted through the network to other clients, or by application issued, realize sharing of short-sighted frequency.
Client: directly and user interactions, response user operation demand, for user presents required short video content for client.
Input equipment 108: receive user and intercept the control command selecting audio-video frequency content.Native system increases Implement of Function Module in digital TV set-top box, then input equipment uses digital TV set-top box Infrared remote controller and infrared receiving set.
With reference to Fig. 3, the video display window 111 of the graphical interfaces of user operation is provided with short video intercepting control group, the lower left of short video intercepting control group is provided with the total duration display field 115 of buffer memory, lower right is provided with and intercepts duration display field 116, bottom is provided with the total duration control strip 112 of buffer memory, the total duration control strip 112 of buffer memory is provided with and intercepts control handle 114, and the right side intercepting control handle 114 is set to and intercepts duration control strip 113.
When input equipment 108 receives the instruction starting to intercept short-sighted frequency, enter intercept operation state, the live television programming in video display window 111 suspends to be play, and picture still is presented at the frame of video before entering intercept operation state; Short video intercepting control group display; Total duration of the audio/video program preserved in display buffer in buffer memory total duration display field 115, intercept control handle 114 and be in buffer memory total duration control strip 112 low order end, intercept duration control strip 113 not show, intercepted in duration display field 116 that to show duration be zero.
Intercepting control handle 114 is moved according to the further operational order that input equipment 108 receives, intercept duration control strip 113 and changed length along with the mobile change in location intercepting control handle 114, intercepted duration display field 116 and changed display numerical value along with moving the change in location intercepting control handle 114; The frame of video that mobile intercepting control handle 114 position is corresponding is shown in video display window 111.
After the confirmation operational order that input equipment 108 receives, the mobile audio frequency and video fragment intercepting duration control strip 113 correspondence intercepted on the right side of control handle 114 is selected, and feeding encoder 105 and network access device 106 generate final short video packets of data.
Short piece of video is edited and processed further by client application and is shared.
After intercept operation state terminates, get back to live state; In live state, video display window 111 is normally displayed in full screen, and short video intercepting control group does not show; Video display window 111 continues live television programming.Video display window 111 is normally displayed in full screen.
Claims (5)
1. one kind obtains the short-sighted frequency of TV programme and the system shared by network, it is characterized in that, described system comprises central processing unit (101), receiving equipment (102), decoder (103), audio and video buffer equipment (104), encoder (105), network access device (106), display device (107) and input equipment (108), wherein central processing unit (101) respectively with receiving equipment (102), decoder (103), audio and video buffer equipment (104), encoder (105), network access device (106), display device (107) and input equipment (108) connect, receiving equipment (102) connects decoder (103), decoder (103) connects audio and video buffer equipment (104), audio and video buffer equipment (104) connects encoder (105), encoder (105) interconnection network connection device (106).
2. adopt and as claimed in claim 1 obtain the short-sighted frequency of TV programme and a method for the system shared by network, it is characterized in that, described method comprises:
(1). receiving equipment receiving digital television program data stream, rectification, demultiplexing are carried out to digital television program data stream, the audio, video data obtained is delivered to decoder decode, the original audio, video data that decoder exports presents to user through display device;
(2). the original audio, video data that decoding device exports enters audio and video buffer equipment simultaneously and preserves, and audio and video buffer equipment upgrades the audio, video data preserved;
(3). user operation client module connected to the network is set up network and is connected, and input equipment is chosen the interested television program segment of user, and confirms through user;
(4). after the confirmation operational order that input equipment receives, select audio frequency and video fragment by the graphical interfaces of user operation, send into encoder and generate short-sighted frequency, generate final short video packets of data by network access device;
(5). short piece of video is edited and processed further by client application and is shared.
3. according to claim 2ly a kind ofly obtain the short-sighted frequency of TV programme and the method shared by network, it is characterized in that, the flow process that upgrades of audio, video data of preserving is had the following steps:
Step one. first judge that whether current time user is carrying out intercepting or the operation of preview audio frequency and video, if user is carrying out intercepting or the operation of preview audio frequency and video, then waiting for and enter monitoring next time; If user does not carry out intercepting or the operation of preview audio frequency and video, then enter next step;
Step 2. judge that whether the audio, video data of buffer memory is expired, if there is audio/video frames expired, then upgrade audio/video frames expired in buffer memory; If do not have audio/video frames expired, then enter next step;
Step 3. judge whether user carries out channel selection operation, if user has carried out channel selection operation, then empty the data in audio and video buffer, then returned step one cycle detection; If do not carry out channel selection operation, then directly return step one cycle detection.
4. according to claim 2 a kind of obtain the short-sighted frequency of TV programme and by network share method, it is characterized in that, the video display window (111) of the graphical interfaces of user operation is provided with short video intercepting control group, the lower left of short video intercepting control group is provided with the total duration display field (115) of buffer memory, lower right is provided with and intercepts duration display field (116), bottom is provided with the total duration control strip (112) of buffer memory, the total duration control strip (112) of buffer memory is provided with and intercepts control handle (114), the right side intercepting control handle (114) is set to and intercepts duration control strip (113).
5. according to claim 4 a kind of obtain the short-sighted frequency of TV programme and by network share method, it is characterized in that, when input equipment receives the instruction starting to intercept short-sighted frequency, enter intercept operation state, live television programming in video display window (111) suspends to be play, and picture still is presented at the frame of video before entering intercept operation state; Short video intercepting control group display; Total duration of the audio/video program preserved in display buffer in buffer memory total duration display field (115), intercept control handle (114) and be in buffer memory total duration control strip (112) low order end, intercepted duration control strip (113) not show, having intercepted display duration in duration display field (116) is zero; Move according to operational order and intercept control handle (114), intercept duration control strip (113) and changed length along with the mobile change in location intercepting control handle (114), intercepted duration display field (116) and changed display numerical value along with moving the change in location intercepting control handle (114); In video display window (111), display is mobile intercepts frame of video corresponding to control handle (114) position; After the confirmation operational order received, the mobile audio frequency and video fragment intercepting the duration of intercepting control strip (113) correspondence on control handle (114) right side is selected, and generates final short video packets of data; After intercept operation state terminates, get back to live state; In live state, short video intercepting control group does not show; Video display window (111) continues live television programming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510335929.4A CN104902344A (en) | 2015-06-17 | 2015-06-17 | System and method of obtaining television program short videos and sharing through network |
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| CN201510335929.4A CN104902344A (en) | 2015-06-17 | 2015-06-17 | System and method of obtaining television program short videos and sharing through network |
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| CN201510335929.4A Pending CN104902344A (en) | 2015-06-17 | 2015-06-17 | System and method of obtaining television program short videos and sharing through network |
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| CN106028092A (en) * | 2016-05-25 | 2016-10-12 | 天脉聚源(北京)传媒科技有限公司 | Television screenshot sharing method and device |
| CN108769727A (en) * | 2018-06-15 | 2018-11-06 | 北京奇艺世纪科技有限公司 | A kind of live video preloading method and device |
| CN109194979A (en) * | 2018-10-30 | 2019-01-11 | 努比亚技术有限公司 | The processing method and processing device of audio-video, mobile terminal, readable storage medium storing program for executing |
| CN110858910A (en) * | 2018-08-23 | 2020-03-03 | 广州虎牙信息科技有限公司 | Live video display method, device, equipment and storage medium |
| CN112702624A (en) * | 2020-12-22 | 2021-04-23 | 山东鲁能软件技术有限公司 | Method, system, medium and device for optimizing short video playing efficiency |
| CN115334320A (en) * | 2022-07-04 | 2022-11-11 | 泰州亚东广告传媒有限公司 | Cloud computing type uploaded data analysis system |
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| CN112702624A (en) * | 2020-12-22 | 2021-04-23 | 山东鲁能软件技术有限公司 | Method, system, medium and device for optimizing short video playing efficiency |
| CN112702624B (en) * | 2020-12-22 | 2023-04-07 | 山东鲁软数字科技有限公司 | Method, system, medium and device for optimizing short video playing efficiency |
| CN115334320A (en) * | 2022-07-04 | 2022-11-11 | 泰州亚东广告传媒有限公司 | Cloud computing type uploaded data analysis system |
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Application publication date: 20150909 |