CN104219572A - Video-related information implicit transmission content distribution method and device - Google Patents
Video-related information implicit transmission content distribution method and device Download PDFInfo
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Abstract
The invention discloses a video-related information implicit transmission content distribution method. The method includes the steps of superimposing video-related information in a video file in a digital watermark mode; obtaining the video file and extracting video-related information of the video file; displaying the video file and the video-related information according to supported formats of a terminal. The invention further discloses a video-related information implicit transmission content distribution device. By means of the video-related information implicit transmission content distribution method, the video file and the video-related information can be displayed in an appropriate display mode without disturbing the viewing of a user, and beneficial effects of safe and reliable transmission and convenient interaction are obtained.
Description
Technical field
The present invention relates to video field, relate in particular to content distribution method and the device of video related information implicit transmission.
Background technology
In the transmission and broadcasting of video file and video related information, in the different epoch, there is different modes.
The simulated television epoch, teletext is to utilize the gap of not transmitting picture while televising, it is the part-time that is referred to as " vertical blanking period " in TV tech, plug hole is broadcast brief word and graphical information, for example brief, market information, transport information, weather forecast, quotations on the stock market etc.These information are sent on the television screen of user family or on special-purpose teletext receiver.Teletext, when transmitting normal tv program, utilizes between TV Field blanking and transmits code signal, does not affect normal TV programme, needn't add transmitting apparatus.Owing to adopting coded data to replace writings and image information, transfer rate is very fast.Because receiving terminal utilizes memory device and controller, user, when watching teletext broadcasting, can choose any one page in whole programs, or carries out " browsing " according to the reading rate of oneself.
Digital Television period, the information multiplexings such as audio frequency by multi-channel program of a TS (Transfer Stream, transport stream) stream, video, captions, EPG (Electronic Program Guide, electric program menu) form.Digital Television is used EPG to realize program navigation function, need to use transport stream, programme information, Pgmtime information etc., and these information are all derived from the SI (ServiceInformation, service information table) of transport stream.
Internet era, the video of propagating on network, mostly video related information is captions, in the films and television programs of Chinese circle, the captions of corresponding mandarin (or dialect) are attached in program mostly in recent years.But because the reason of the technology of broadcast, the TV programme of China is not supported closed caption, so broadcasting agency also cannot remove the captions in program, causes program to broadcast more chaotic, between captions, cover mutually, the phenomenon also carelessly occurring in the time of should not there are captions is more serious.The arrival of TV the Internet, intelligent television is in displaying video, and due to mutual restriction, the function and the service that make some promote user's experience fail to be widely used.Therefore how in the situation that leaving user in peace and watching, with suitable display mode display video related information, be a problem demanding prompt solution.
Summary of the invention
Main purpose of the present invention is to provide a kind of content distribution method and device of video related information implicit transmission, is intended to leave in peace in the situation that user watches, with suitable display mode display video related information.
For achieving the above object, the content distribution method of a kind of video related information implicit transmission provided by the invention, the content distribution method of described video related information implicit transmission comprises the following steps:
Mode by video related information with digital watermarking is superimposed in video file;
Obtain described video file and extract the video related information of described video file;
The form of supporting according to display terminal, shows described video file and described video related information.
Preferably, describedly after being superimposed on to the step in video file in the mode of digital watermarking, video related information also comprises:
The video file of implanting described video related information is encrypted;
Video file to described encryption is decrypted.
Preferably, describedly video related information be used as to the step that watermark information implants in described video file comprise:
By compression domain algorithm, described video related information is watermarked.
Preferably, describedly after being superimposed on to the step in video file in the mode of digital watermarking, video related information also comprises:
The video file of implanting described video related information is encrypted;
Video file to described encryption is decrypted.
Preferably, the described form of supporting according to display terminal, shows that the step of described video file and described video related information also comprises afterwards:
According to the classification of described video related information, described video related information is set up associated with the corresponding program of described mobile terminal.
In order to solve above-mentioned technical problem, the present invention further provides a kind of content delivering apparatus of video related information implicit transmission, the content delivering apparatus of described video related information implicit transmission comprises:
Laminating module, for being superimposed on video file by video related information in the mode of digital watermarking;
Extraction module, for obtaining described video file and extracting the video related information of described video file;
Display module, the form of supporting according to display terminal, shows described video file and described video related information.
Preferably, described laminating module comprises:
Compression unit, for compression that described video file and described video related information are packed;
Implant unit, for described video related information is used as to watermark information, implant described video file.
Preferably, described implantation unit is also for watermarked by described video related information by compression domain algorithm.
Preferably, the content delivering apparatus of described video related information implicit transmission also comprises:
Encrypting module, for being encrypted the video file of implanting described video related information;
Deciphering module, is decrypted for the video file to described encryption.
Preferably, described display module also, for according to the classification of described video related information, is set up associated by described video related information with the corresponding program of described mobile terminal.
The content distribution method of video related information implicit transmission provided by the invention, by by video related information, the mode with digital watermarking is superimposed in video file; Obtain described video file and extract the video related information of described video file; The form of supporting according to display terminal, shows described video file and described video related information.The content distribution method of video related information implicit transmission provided by the invention, in the situation that leaving user in peace and watching, with suitable display mode display video file and video related information, obtained transmission security reliably, beneficial effect easily alternately.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of content distribution method first embodiment of video related information implicit transmission of the present invention;
Fig. 2 is superimposed on video related information the refinement schematic flow sheet of the step in video file in the mode of digital watermarking described in Fig. 1;
Fig. 3 is the schematic flow sheet of content distribution method the 21 embodiment of video related information implicit transmission of the present invention;
Fig. 4 is the form of supporting according to display terminal described in Fig. 1, shows the schematic flow sheet of the step of described video file and described video related information;
Fig. 5 is the high-level schematic functional block diagram of content delivering apparatus one embodiment of video related information implicit transmission of the present invention.
Fig. 6 is the high-level schematic functional block diagram of laminating module described in Fig. 5;
Fig. 7 is the high-level schematic functional block diagram of display module described in Fig. 5.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of content distribution method of video related information implicit transmission, with reference to Fig. 1, in one embodiment, the content distribution method of described video related information implicit transmission comprises the following steps:
Step S100, the mode by video related information with digital watermarking are superimposed in video file.
Digital watermarking normally embeds some and can prove copyright ownership or follow the tracks of information tortious in protected digital object (as still image, video, audio frequency etc.), and these information may be sequence numbers, corporate logo, significant text of author etc.Contrary with camouflage art, hiding Info in watermark can be resisted all kinds of attacks.Even if watermarking algorithm is disclosed, it is still very difficult that assailant will destroy watermark.Digital watermarking, by the sign of user's appointment or identification number etc., embeds in protected information according to certain mode, and protected information is a kind of Digital Media, as software, image, audio frequency, video or generality and electronic document etc.Digital watermarking is the numeral number being embedded in digital product, and it is principle that enjoying value, the use value of not destroying former data are take in the existence of watermark.The content delivering apparatus of the video related information implicit transmission in the present embodiment by with video file one to one video related information in the mode of digital watermarking, be superimposed in video file, described video related information can be captions, Business Information, user comment information etc., in the present embodiment, video file can be supported a plurality of captions, such as Chinese version and English edition video file can support Chinese subtitle, Chinese version and English edition video file also can support English subtitles; And between captions, can mutually switch, such as English subtitles are switched to Chinese subtitle, or Chinese subtitle be switched to English subtitles, thereby do not affect video effect.In addition, video related information can be edited according to the content of video and time stream, adds merchandise news associated in video scene, can variable body be just novel advertisement pattern.For example, by the automobile of the clothes of certain brand occurring in video, certain model, by video related information, check, just can see the brand of commodity, style, price, even near selling spot etc.
Step S200, obtain described video file and extract the video related information of described video file.
The content delivering apparatus of video related information implicit transmission obtains described video file by the mode of downloading, and extracts the associated work and rest of video that added digital watermarking in video file, and the extraction of digital watermarking is extracted by respective algorithms.
Step S300, the form of supporting according to display terminal, show described video file and described video related information.
The form that the content delivering apparatus of video related information implicit transmission is supported according to connected display terminal, described video file and described video related information are shown, if video terminal is intelligent television, send to intelligent television to be sown into video file, if video is intelligent terminal (intelligent terminal can be smart mobile phone or panel computer), described video related information is sent to intelligent terminal, such as the product information of businessman is flourishing in intelligent terminal.
The content distribution method of the video related information implicit transmission that the present embodiment provides, in the situation that leaving user in peace and watching, with suitable display mode display video file and video related information, obtained transmission security reliably, beneficial effect easily alternately.
With further reference to Fig. 2, the content distribution method of the video related information implicit transmission that the present embodiment provides, described step S100 comprises:
Step S110, by the compression of packing of described video file and described video related information.
The compression of packing of the just described video file of content delivering apparatus of video related information implicit transmission and described video related information, by mode can superpose more content and the more eurypalynous video related information of compression, thereby video interactive is convenient.
Step S120, described video related information is used as to watermark information implants in described video file.
The content delivering apparatus of video related information implicit transmission is watermarked by compressed video file, mainly at DCT (Discrete Cosine Transform, discrete cosine transform) territory, motion vector, VLC (Variable-LengthCoding), Variable Length Code) territory, watermarked in facial movement parameter.In the present embodiment, adopt the watermarked mode of compression domain, by compression domain algorithm, described video related information is watermarked, a large amount of complete decoding and recompile process have not only been saved, and have very large practical value in digital television broadcasting and VOD (Video on Demand, video request program), correspondingly, watermark detection also can directly be carried out with extraction in compression domain data, thereby meets certain requirement of real-time.
With further reference to Fig. 3, the content distribution method of the video related information implicit transmission that the present embodiment provides, on the basis of the first embodiment, also comprises after described step S200:
Step S200A, the video file of implanting described video related information is encrypted.
The content delivering apparatus of video related information implicit transmission is encrypted the video file of implanting described video related information, and secret key is set.
Step S200B, the video file of described encryption is decrypted.
The content delivering apparatus of video related information implicit transmission is decrypted the video file of encryption.Video file is encrypted to technology, prevents that video file from illegally being distorted, avoid video related information illegally to be moved, guarantee the authenticity of file.
With further reference to Fig. 4, the content distribution method of the video related information implicit transmission that the present embodiment provides, described step S300 specifically comprises:
Step S310, send to intelligent television to play described video file.
The device of video related information implicit transmission sends to intelligent computer to play the video file extracting after video related information.
Step S320, described video related information is pushed to mobile terminal carries out split screen demonstration.
The device of video related information implicit transmission passes through XMPP agreement (Extensible Messaging and Presence Protocol by the video related information extracting, open instant communication protocol) be pushed to many mobile terminals that are attached thereto and carry out split screen demonstration, described mobile terminal can be smart mobile phone, also can be panel computer, video related information can be review information, also can be the 2 D code information of commodity, relevant video related information is processed rapidly by mobile terminal, such as user can comment on commodity by smart mobile phone, by the Quick Response Code of commodity, can obtain rapidly the related news of commodity.
With further reference to Fig. 4, the content distribution method of the video related information implicit transmission that the present embodiment provides, on the basis of the first embodiment, also comprises after described step S300:
Step S400, according to the classification of described video related information, the corresponding program of described video related information and described mobile terminal is set up associated.
The content delivering apparatus of video related information implicit transmission sends to mobile terminal by the video related information of propelling movement, and according to the classification of video related information, described video related information is set up associated with the corresponding program of mobile terminal.For example, if the interaction content pushing is telephone number, associated with the dial-up program foundation of mobile terminal, user will get final product dial-in direct at pointing telephone number; If the video related information pushing is address, associated with the map program foundation of mobile terminal, user, as long as click address, can show corresponding map, thereby swift and convenient to operate; If the video related information pushing is commodity Quick Response Codes, associated with the Quick Response Code recognizer foundation of mobile terminal, user, as long as click Quick Response Code, can show corresponding merchandise news, thereby swift and convenient to operate.
The content distribution method of the video related information implicit transmission that the present embodiment provides, by the associated video information exchange of video content is crossed to implantation digital watermarking, the split screen of associated video information exchange being crossed to mobile terminal shows, information transmission security, user interactions is convenient.
With further reference to Fig. 5, Fig. 5 is the high-level schematic functional block diagram of content delivering apparatus one embodiment of video related information implicit transmission of the present invention, and in Fig. 5, the content delivering apparatus of described video related information implicit transmission comprises:
Laminating module 100, for being superimposed on video file by video related information in the mode of digital watermarking;
Extraction module 200, for obtaining described video file and extracting the video related information of described video file;
Display module 500, the form of supporting according to display terminal, shows described video file and described video related information.
Digital watermarking normally embeds some and can prove copyright ownership or follow the tracks of information tortious in protected digital object (as still image, video, audio frequency etc.), and these information may be sequence numbers, corporate logo, significant text of author etc.Contrary with camouflage art, hiding Info in watermark can be resisted all kinds of attacks.Even if watermarking algorithm is disclosed, it is still very difficult that assailant will destroy watermark.Digital watermarking, by the sign of user's appointment or identification number etc., embeds in protected information according to certain mode, and protected information is a kind of Digital Media, as software, image, audio frequency, video or generality and electronic document etc.Digital watermarking is the numeral number being embedded in digital product, and it is principle that enjoying value, the use value of not destroying former data are take in the existence of watermark.The laminating module 100 of the content delivering apparatus of the video related information implicit transmission in the present embodiment by with video file one to one video related information in the mode of digital watermarking, be superimposed in video file, described video related information can be captions, Business Information, user comment information etc., in the present embodiment, video file can be supported a plurality of captions, such as Chinese version and English edition video file can support Chinese subtitle, Chinese version and English edition video file also can support English subtitles; And between captions, can mutually switch, such as English subtitles are switched to Chinese subtitle, or Chinese subtitle be switched to English subtitles, thereby do not affect video effect.In addition, video related information can be edited according to the content of video and time stream, adds merchandise news associated in video scene, can variable body be just novel advertisement pattern.For example, by the automobile of the clothes of certain brand occurring in video, certain model, by video related information, check, just can see the brand of commodity, style, price, even near selling spot etc.
The extraction module 200 of the content delivering apparatus of video related information implicit transmission obtains described video file by the mode of downloading, and extracts the associated work and rest of video that added digital watermarking in video file, and the extraction of digital watermarking is extracted by respective algorithms.
The form that the display module 500 of the content delivering apparatus of video related information implicit transmission is supported according to connected display terminal, described video file and described video related information are shown, if video terminal is intelligent television, send to intelligent television to be sown into video file, if video is intelligent terminal (intelligent terminal can be smart mobile phone or panel computer), described video related information is sent to intelligent terminal, such as the product information of businessman is flourishing in intelligent terminal.
The content delivering apparatus of the video related information implicit transmission that the present embodiment provides, in the situation that leaving user in peace and watching, with suitable display mode display video file and video related information, obtained transmission security reliably, beneficial effect easily alternately.
As described in Figure 6, the content delivering apparatus of the video related information implicit transmission that the present embodiment provides, described laminating module 100 comprises:
Compression unit 110, for compression that described video file and described video related information are packed;
Implant unit 120, for described video related information is used as to watermark information, implant described video file.
The compression of packing of the just described video file of compression unit 110 of the content delivering apparatus of video related information implicit transmission and described video related information, the mode by compression can superpose more content and more eurypalynous video related information.
The implantation unit 120 of the content delivering apparatus of video related information implicit transmission is watermarked by compressed video file, mainly at DCT (Discrete Cosine Transform, discrete cosine transform) territory, motion vector, VLC (Variable-LengthCoding), Variable Length Code) territory, watermarked in facial movement parameter.In the present embodiment, adopt the watermarked mode of compression domain, by compression domain algorithm, described video related information is watermarked, a large amount of complete decoding and recompile process have not only been saved, and have very large practical value in digital television broadcasting and VOD (Video on Demand, video request program), correspondingly, watermark detection also can directly be carried out with extraction in compression domain data, thereby meets certain requirement of real-time.
As described in Figure 5, the content delivering apparatus of the video related information implicit transmission that the present embodiment provides, the content delivering apparatus of described video related information implicit transmission also comprises:
Encrypting module 300, for being encrypted the video file of implanting described video related information;
Deciphering module 400, is decrypted for the video file to described encryption.
The encrypting module 300 of the content delivering apparatus of video related information implicit transmission is encrypted the video file of implanting described video related information, and secret key is set.
The deciphering module 400 of the content delivering apparatus of video related information implicit transmission is decrypted the video file of encryption.Video file is encrypted to technology, prevents that video file from illegally being distorted, avoid video related information illegally to be moved, guarantee the authenticity of file.
As described in Figure 7, the content delivering apparatus of the video related information implicit transmission that the present embodiment provides, described display module 500 comprises:
Broadcast unit 510, for sending to described video file intelligent television to play;
Push unit 520, carries out split screen demonstration for described video related information is pushed to mobile terminal.
The broadcast unit 510 of the device of video related information implicit transmission sends to intelligent computer to play the video file extracting after video related information.
The push unit 520 of the device of video related information implicit transmission passes through XMPP agreement (Extensible Messaging and Presence Protocol by the video related information extracting, open instant communication protocol) be pushed to many mobile terminals that are attached thereto and carry out split screen demonstration, described mobile terminal can be smart mobile phone, also can be panel computer, video related information can be review information, also can be the 2 D code information of commodity, relevant video related information is processed rapidly by mobile terminal, such as user can comment on commodity by smart mobile phone, by the Quick Response Code of commodity, can obtain rapidly the related news of commodity.
As described in Figure 5, the content delivering apparatus of the video related information implicit transmission that the present embodiment provides, described display module 50, also, for according to the classification of described video related information, sets up associated by described video related information with the corresponding program of described mobile terminal.
The display module 50 of the content delivering apparatus of video related information implicit transmission sends to mobile terminal by the video related information of propelling movement, and according to the classification of video related information, described video related information is set up associated with the corresponding program of mobile terminal.For example, if the interaction content pushing is telephone number, associated with the dial-up program foundation of mobile terminal, user will get final product dial-in direct at pointing telephone number; If the video related information pushing is address, associated with the map program foundation of mobile terminal, user, as long as click address, can show corresponding map, thereby swift and convenient to operate; If the video related information pushing is commodity Quick Response Codes, associated with the Quick Response Code recognizer foundation of mobile terminal, user, as long as click Quick Response Code, can show corresponding merchandise news, thereby swift and convenient to operate.
The content delivering apparatus of the video related information implicit transmission that the present embodiment provides, by the associated video information exchange of video content is crossed to implantation digital watermarking, the split screen of associated video information exchange being crossed to mobile terminal shows, information transmission security, user interactions is convenient.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a content distribution method for video related information implicit transmission, is characterized in that, the content distribution method of described video related information implicit transmission comprises the following steps:
Mode by video related information with digital watermarking is superimposed in video file;
Obtain described video file and extract the video related information of described video file;
The form of supporting according to display terminal, shows described video file and described video related information.
2. the content distribution method of video related information implicit transmission as claimed in claim 1, is characterized in that, the described step that video related information is superimposed in video file in the mode of digital watermarking comprises:
By the compression of packing of described video file and described video related information;
Described video related information is used as to watermark information to be implanted in described video file.
3. the content distribution method of video related information implicit transmission as claimed in claim 2, is characterized in that, describedly video related information is used as to the step that watermark information implants in described video file comprises:
By compression domain algorithm, described video related information is watermarked.
4. the content distribution method of video related information implicit transmission as claimed in claim 2, is characterized in that, describedly also comprises after video related information is superimposed on to the step in video file in the mode of digital watermarking:
The video file of implanting described video related information is encrypted;
Video file to described encryption is decrypted.
5. Web content distribution method as claimed in claim 1, is characterized in that, the described form of supporting according to display terminal shows that the step of described video file and described video related information also comprises afterwards:
According to the classification of described video related information, described video related information is set up associated with the corresponding program of described mobile terminal.
6. a content delivering apparatus for video related information implicit transmission, is characterized in that, the content delivering apparatus of described video related information implicit transmission comprises:
Laminating module, for being superimposed on video file by video related information in the mode of digital watermarking;
Extraction module, for obtaining described video file and extracting the video related information of described video file;
Display module, the form of supporting according to display terminal, shows described video file and described video related information.
7. the content delivering apparatus of video related information implicit transmission as claimed in claim 6, is characterized in that, described laminating module comprises:
Compression unit, for compression that described video file and described video related information are packed;
Implant unit, for described video related information is used as to watermark information, implant described video file.
8. the content delivering apparatus of video related information implicit transmission as claimed in claim 7, is characterized in that, described implantation unit is also for watermarked by described video related information by compression domain algorithm.
9. the content delivering apparatus of video related information implicit transmission as claimed in claim 7, is characterized in that, the content delivering apparatus of described video related information implicit transmission also comprises:
Encrypting module, for being encrypted the video file of implanting described video related information;
Deciphering module, is decrypted for the video file to described encryption.
10. the content delivering apparatus of video related information implicit transmission as claimed in claim 6, it is characterized in that, described display module also, for according to the classification of described video related information, is set up associated by described video related information with the corresponding program of described mobile terminal.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768027A (en) * | 2015-04-29 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Method and device for activating graphic identification code in video |
| CN104768028A (en) * | 2015-04-29 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Method and device for activating graphic identification code in video |
| CN106303579A (en) * | 2016-09-20 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | Video play device and method |
| CN106792088A (en) * | 2016-12-15 | 2017-05-31 | 北京奇艺世纪科技有限公司 | The encryption and decryption method and system of a kind of plug-in captions, plug-in caption system |
| CN110662113A (en) * | 2019-09-25 | 2020-01-07 | 腾讯音乐娱乐科技（深圳）有限公司 | Video playing method and device and computer readable storage medium |
| CN114071050A (en) * | 2020-07-29 | 2022-02-18 | 北京字节跳动网络技术有限公司 | Video-based interaction method and device, electronic equipment and medium |
| CN115834971A (en) * | 2022-11-02 | 2023-03-21 | 中央广播电视总台 | Subtitle generating method, device and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7149324B2 (en) * | 2000-07-05 | 2006-12-12 | Nec Corporation | Electronic watermark insertion device, detection device, and method |
| CN101442672A (en) * | 2007-11-23 | 2009-05-27 | 华为技术有限公司 | System for processing digital watermarking, method and apparatus for embedding and detecting digital watermarking |
| CN101651837A (en) * | 2009-09-10 | 2010-02-17 | 北京航空航天大学 | Reversible video frequency watermark method based on interframe forecast error histogram modification |
| CN101917611A (en) * | 2010-08-31 | 2010-12-15 | 北京德博正业科技有限公司 | Video output device capable of tracking propagating sources |
| CN201860423U (en) * | 2010-08-31 | 2011-06-08 | 北京德博正业科技有限公司 | Video output device capable of tracking transmission source |
| CN103763578A (en) * | 2014-01-10 | 2014-04-30 | 北京酷云互动科技有限公司 | Method and device for pushing program associated information |
-
2014
- 2014-09-26 CN CN201410505047.3A patent/CN104219572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7149324B2 (en) * | 2000-07-05 | 2006-12-12 | Nec Corporation | Electronic watermark insertion device, detection device, and method |
| CN101442672A (en) * | 2007-11-23 | 2009-05-27 | 华为技术有限公司 | System for processing digital watermarking, method and apparatus for embedding and detecting digital watermarking |
| CN101651837A (en) * | 2009-09-10 | 2010-02-17 | 北京航空航天大学 | Reversible video frequency watermark method based on interframe forecast error histogram modification |
| CN101917611A (en) * | 2010-08-31 | 2010-12-15 | 北京德博正业科技有限公司 | Video output device capable of tracking propagating sources |
| CN201860423U (en) * | 2010-08-31 | 2011-06-08 | 北京德博正业科技有限公司 | Video output device capable of tracking transmission source |
| CN103763578A (en) * | 2014-01-10 | 2014-04-30 | 北京酷云互动科技有限公司 | Method and device for pushing program associated information |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768027A (en) * | 2015-04-29 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Method and device for activating graphic identification code in video |
| CN104768028A (en) * | 2015-04-29 | 2015-07-08 | 北京奇艺世纪科技有限公司 | Method and device for activating graphic identification code in video |
| CN106303579A (en) * | 2016-09-20 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | Video play device and method |
| CN106792088A (en) * | 2016-12-15 | 2017-05-31 | 北京奇艺世纪科技有限公司 | The encryption and decryption method and system of a kind of plug-in captions, plug-in caption system |
| CN106792088B (en) * | 2016-12-15 | 2020-06-30 | 北京奇艺世纪科技有限公司 | Plug-in subtitle encryption and decryption method and system and plug-in subtitle system |
| CN110662113A (en) * | 2019-09-25 | 2020-01-07 | 腾讯音乐娱乐科技（深圳）有限公司 | Video playing method and device and computer readable storage medium |
| CN114071050A (en) * | 2020-07-29 | 2022-02-18 | 北京字节跳动网络技术有限公司 | Video-based interaction method and device, electronic equipment and medium |
| CN115834971A (en) * | 2022-11-02 | 2023-03-21 | 中央广播电视总台 | Subtitle generating method, device and storage medium |
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