CN114157912A - Cloud video playing method and application thereof in image projection - Google Patents
Cloud video playing method and application thereof in image projection Download PDFInfo
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- CN114157912A CN114157912A CN202111427333.9A CN202111427333A CN114157912A CN 114157912 A CN114157912 A CN 114157912A CN 202111427333 A CN202111427333 A CN 202111427333A CN 114157912 A CN114157912 A CN 114157912A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012550 audit Methods 0.000 claims abstract description 36
- 238000013528 artificial neural network Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 230000006855 networking Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000002372 labelling Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a cloud video playing method and application thereof in image projection, wherein the method comprises the following steps: s01, acquiring video data, auditing the video data and generating an auditing result; s02, according to the audit result, when the audit result meets the preset condition, encrypting and cloud storing the video data, and correspondingly generating a cloud storage address and a secret key of the video data; s03, the playing terminal obtains a cloud storage address and a key corresponding to the video data passing the audit, obtains the video data according to the cloud storage address, and decrypts and plays the video data through the key; according to the scheme, the cloud video is audited in a cloud mode to achieve warehousing of the compliant video data, and under the mechanism, the video data audited through the cloud can be effectively played through the playing terminal without worrying about the occurrence of bad content of the video data, so that a user can obtain high-quality video content more worryingly and conveniently, and the humanization and the safety of service are improved.
Description
Technical Field
The invention relates to the technical field of cloud video playing, in particular to a cloud video playing method and application thereof in image projection.
Background
The cloud video is played locally as a popular video on demand mode at present, however, due to the wide sources of the cloud videos, video contents which are uploaded manually and bring great negative images to viewers, such as yellow-related, storm-related or bloody smell violence, may exist in massive cloud videos, so that auditing and monitoring of the cloud videos are very necessary for on demand, and particularly for videos uploaded by anonymous registered accounts, unofficial or non-commercial registered subjects, the probability that the videos are doped with non-compliant contents is often high, so that how to improve humanization and content quality of the cloud video on demand is an object with practical significance.
Disclosure of Invention
In view of the above, the present invention is to provide a cloud video playing method with safe data playing, reliable implementation and convenient storage, and an application thereof in video screen projection.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a cloud video playing method comprises the following steps:
s01, acquiring video data, auditing the video data and generating an auditing result;
s02, according to the audit result, when the audit result meets the preset condition, encrypting and cloud storing the video data, and correspondingly generating a cloud storage address and a secret key of the video data;
s03, the playing terminal obtains the cloud storage address and the key corresponding to the video data passing the audit, obtains the video data according to the cloud storage address, and decrypts and plays the video data through the key.
As a possible implementation manner, further, in S02, after the cloud storage address and the key of the video data are generated, the cloud storage address and the key of the video data are actively issued to the preset playback terminal according to preset conditions.
As a possible implementation manner, further, in S02, after the audit result meets the preset condition and the cloud storage address and the key of the video data are generated, the video data list that has passed the audit is also correspondingly generated or updated, and is set as the program list; after the program list is generated or updated, the program list is issued to a playing terminal;
in S03, the playback terminal obtains the cloud storage address and the key corresponding to the video data that passes the audit through the program list.
As a possible implementation manner, further, in S03, the playback terminal obtains the cloud storage address and the key corresponding to the video data that passes the audit by outputting a preset instruction; in S03, the playback terminal obtains video data according to the cloud storage address and downloads the video data to a storage unit of the playback terminal.
As a possible implementation manner, further, in S01, the obtained video data is a network video already existing on the internet or video data uploaded to a preset internet address by a terminal networking device; in S01, the video data is audited by using the detection neural network.
As a possible implementation manner, further, in S02, the keys generated by encrypting different video data are all different.
As a possible implementation manner, further, in S03, the playing terminal decrypts the video data by the key and plays the video data by streaming.
Based on the above scheme, the present invention further provides a cloud video image screen projection method, which is characterized by comprising the cloud video playing method according to any one of claims 1 to 8.
As a preferred alternative, it is preferable that S03 further includes: the playing terminal acquires a preset video display area of the screen projection terminal, and plays the played video data according to the specification of the preset video display area.
Based on foretell scheme, this scheme still provides a cloud video image system of throwing screen, and it includes:
the cloud server is configured to acquire and store video data, audit the video data and generate an audit result;
the data processing module is configured to acquire an audit result, encrypt and store the video data in a cloud when the audit result meets a preset condition, and correspondingly generate a cloud storage address and a secret key of the video data;
the playing terminal is configured to acquire a cloud storage address and a key corresponding to the video data which passes the audit, acquire the video data according to the cloud storage address, and decrypt and play the video data through the key;
and the screen projection terminal is configured to be used for acquiring the video data picture played by the playing terminal and visually outputting the video data picture.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: according to the scheme, the cloud video is stored in the warehouse in a cloud auditing mode, the approved compliant video is correspondingly encrypted and stored in the cloud, and the cloud storage address and the key of the video data are correspondingly generated to be acquired by the playing terminal, so that under the mechanism, the playing terminal can effectively play the video data subjected to cloud auditing, the situation that the video data have bad content is not needed to be worried about, a user can more worry about and conveniently acquire high-quality video content, and the humanization and the safety of service are improved; according to the scheme, the auditing link is arranged at the cloud end, and the auditing efficiency can be improved and the high-quality hardware resources of the cloud end server can be effectively utilized by loading the neural network for auditing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a playing method according to the present invention;
fig. 2 is a schematic connection diagram of the playing system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in fig. 1, the cloud video playing method according to the present scheme includes:
s01, acquiring video data, auditing the video data and generating an auditing result;
s02, according to the audit result, when the audit result meets the preset condition, encrypting and cloud storing the video data, and correspondingly generating a cloud storage address and a secret key of the video data;
s03, the playing terminal obtains the cloud storage address and the key corresponding to the video data passing the audit, obtains the video data according to the cloud storage address, and decrypts and plays the video data through the key.
In order to improve the preview and on-demand convenience of the video content, in S02, after the audit result meets the preset condition and the cloud storage address and the key of the video data are generated, a video data list which has passed the audit is also generated or updated correspondingly, and the generated video data list is set as a program list; after the program list is generated or updated (when no program list exists, the program list is established, if yes, a data updating mode is adopted to amplify the list), and the list is sent to a playing terminal; in S03, the playback terminal obtains the cloud storage address and the key corresponding to the video data that passes the audit through the program list. As a possible way, in order to improve the timeliness of response feedback, in S02, after the cloud storage address and the key of the video data are generated, the cloud storage address and the key of the video data may be actively issued to a preset playing terminal according to preset conditions; for example, when the playing terminal actively outputs an acquisition instruction, and the video content is not in the checked video data at present, the reservation mechanism can be started to actively issue the cloud storage address and the key corresponding to the video content data to the preset playing terminal by establishing a reservation mode after the video content passes the check; however, the present solution is not limited to this, and it may also be configured to issue notification information after the video data is approved, reserve the cloud storage address and the key of the video data that is generated correspondingly before a replay request of the playback terminal is not received, and issue the cloud storage address and the key after the playback terminal actively acquires the cloud storage address and the key, that is, step S03 may also be configured to acquire the cloud storage address and the key corresponding to the video data that is approved by the playback terminal by outputting a preset instruction.
In the scheme, in order to improve the playing continuity of the video data and avoid that the video data cannot be completely downloaded, cached or replayed due to communication network fluctuation or other abnormal conditions, in S03, the playing terminal acquires the video data according to the cloud storage address and downloads the video data to a storage unit of the playing terminal.
For the source of the video data, in S01, the obtained video data is a network video existing on the internet or a video data uploaded to a preset internet address by the terminal networking device.
In order to avoid that the decryption of the cloud video is stolen or broken regularly, in S02, keys generated by encrypting different video data are different, and may be generated randomly or according to specific conditions, but the keys of different videos are not identical. For some video data which needs to be paid or acquired by other specific users, in the scheme, the video data corresponding to the program lists acquired by different playing terminals have different keys (private keys) and the keys of the same video data on different playing terminals are different or not identical, that is, for post-paid videos, a one-to-one key generation mode can be adopted, for free videos, a key sharing mode can be adopted, and the mode can avoid the video data from being maliciously secondarily spread (abnormal spreading under the condition of no authorization) or sold over again and the like as far as possible.
In order to improve the timeliness of playing, in S03, the playing terminal decrypts the video data through the key and plays the video data in a streaming media manner, and the video data downloaded to the playing terminal is processed into a video stream manner to play in a timely manner in a streaming media manner, which is helpful for reducing the hysteresis or delay of video playing.
In the aspect of cloud video auditing, in this scheme S01, the video data may be audited by using a detection neural network, and an original model of the detection neural network may be obtained by directly performing input material training through a neural network on site, for example, by establishing a bad image library, segmenting a video in the image library into image frames, after an image is derived into a preset specification, labeling the image, then introducing a labeling result and the image into the neural network for training until the model converges, obtaining a detection neural network, then introducing the cloud video into the detection neural network for detection, and after segmenting the cloud video into image frames according to a preset time interval, the detection neural network may perform detection determination on the image frames, and outputting a detection result.
As the cloud video is widely acquired and obtained, if the video data uploaded by some users are not in compliance after being checked for multiple times, the method S02 further comprises recording the source information of the video data when the checking result does not meet the preset condition according to the checking result, wherein the source information comprises more than one of IP, account number, contact way and the like of the uploaded users, correspondingly establishing an abnormal information base, encrypting the video data of which the checking result does not meet the preset requirement, storing and associating the corresponding source information with the video data, then setting the retention time of the video data which does not meet the requirement, storing 1-5 frames of image frames which are not in compliance in the video data after the retention time is up, then associating the image frames with the source information, and then deleting the video data to release the storage space of the server, and when the source information of a plurality of video data all points to the same user or IP, the method comprises the steps of directly associating video data to the IP or the user, expanding newly added content in source information to the source information, avoiding newly generating a new source information strip, setting an alert value for the IP or the user, outputting alarm information when the number of unconventional video data uploaded correspondingly exceeds a preset value, and freezing or limiting the uploading permission of the video data of the IP or the user, so that the unconventional video data can be prevented from being uploaded maliciously by bad users and the IP of the cloud video.
Based on the playing method, the method can be used for projecting the cloud video image; through the mechanism, the safety and the selectivity of the local screen projection playing of the network video can be effectively realized, and the screen projection playing of bad information is avoided.
For different screen projection terminals, there may be a problem that the set playing areas are different, and in order to improve compatibility and avoid incomplete pictures, the scheme S03 further includes: the playing terminal acquires a preset video display area of the screen projection terminal, and plays the played video data according to the specification of the preset video display area.
As shown in fig. 2, based on the foregoing method, the present invention further provides a cloud video image projection system, which includes:
the cloud server is configured to acquire and store video data, audit the video data and generate an audit result;
the data processing module is configured to acquire an audit result, encrypt and store the video data in a cloud when the audit result meets a preset condition, and correspondingly generate a cloud storage address and a secret key of the video data;
the playing terminal is configured to acquire a cloud storage address and a key corresponding to the video data which passes the audit, acquire the video data according to the cloud storage address, and decrypt and play the video data through the key;
and the screen projection terminal is configured to be used for acquiring the video data picture played by the playing terminal and visually outputting the video data picture.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A cloud video playing method is characterized by comprising the following steps:
s01, acquiring video data, auditing the video data and generating an auditing result;
s02, according to the audit result, when the audit result meets the preset condition, encrypting and cloud storing the video data, and correspondingly generating a cloud storage address and a secret key of the video data;
s03, the playing terminal obtains the cloud storage address and the key corresponding to the video data passing the audit, obtains the video data according to the cloud storage address, and decrypts and plays the video data through the key.
2. The method for playing the cloud video according to claim 1, wherein in S02, after the cloud storage address and the key of the video data are generated, the cloud storage address and the key of the video data are actively issued to a preset playing terminal according to preset conditions.
3. The cloud video playing method according to claim 1, wherein in S02, after the auditing result meets the preset condition and the cloud storage address and the key of the video data are generated, the video data list that has been audited is also generated or updated correspondingly, and is set as a program list; after the program list is generated or updated, the program list is issued to a playing terminal;
in S03, the playback terminal obtains the cloud storage address and the key corresponding to the video data that passes the audit through the program list.
4. The cloud video playing method according to claim 1, wherein in S03, the playing terminal obtains a cloud storage address and a key corresponding to the video data that passes the audit by outputting a preset instruction;
in S03, the playback terminal obtains video data according to the cloud storage address and downloads the video data to a storage unit of the playback terminal.
5. The cloud video playing method according to claim 1, wherein in S01, the acquired video data is a network video existing on the internet or a video data uploaded to a preset internet address by a terminal networking device;
in S01, the video data is audited by using the detection neural network.
6. The cloud video playing method according to claim 1, wherein in S02, keys generated by encrypting different video data are all different.
7. The cloud video playing method according to claim 1, wherein in S03, the playing terminal decrypts the video data by using the key and plays the video data by streaming media.
8. A cloud video image screen projection method, characterized in that it comprises the cloud video playing method of one of claims 1 to 8.
9. The cloud video image screen projection method of claim 8, wherein S03 further comprises: the playing terminal acquires a preset video display area of the screen projection terminal, and plays the played video data according to the specification of the preset video display area.
10. A cloud video image projection screen system is characterized by comprising:
the cloud server is configured to acquire and store video data, audit the video data and generate an audit result;
the data processing module is configured to acquire an audit result, encrypt and store the video data in a cloud when the audit result meets a preset condition, and correspondingly generate a cloud storage address and a secret key of the video data;
the playing terminal is configured to acquire a cloud storage address and a key corresponding to the video data which passes the audit, acquire the video data according to the cloud storage address, and decrypt and play the video data through the key;
and the screen projection terminal is configured to be used for acquiring the video data picture played by the playing terminal and visually outputting the video data picture.
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| CN202111427333.9A CN114157912A (en) | 2021-11-26 | 2021-11-26 | Cloud video playing method and application thereof in image projection |
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| CN202111427333.9A CN114157912A (en) | 2021-11-26 | 2021-11-26 | Cloud video playing method and application thereof in image projection |
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