CN113422985A - System and method for projecting encrypted video - Google Patents
System and method for projecting encrypted video Download PDFInfo
- Publication number
- CN113422985A CN113422985A CN202110663518.3A CN202110663518A CN113422985A CN 113422985 A CN113422985 A CN 113422985A CN 202110663518 A CN202110663518 A CN 202110663518A CN 113422985 A CN113422985 A CN 113422985A
- Authority
- CN
- China
- Prior art keywords
- encrypted video
- socket service
- video
- address
- app
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
Classifications
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention discloses a system and a method for projecting an encrypted video, which take a mobile terminal as an intermediate agent, acquire encrypted video data, decrypt the data and transmit the data to a television terminal. The invention is realized by pure software, does not need extra hardware support, can realize screen projection by utilizing the mobile terminal, has no difference with the common screen projection speed, reduces the cost and can obtain better experience effect.
Description
Technical Field
The invention relates to the technical field of screen projection, in particular to a system and a method for projecting a screen of an encrypted video.
Background
With the popularization of intelligent mobile devices, the frequency of watching videos at a mobile end is very high, but the screen of the mobile end is generally small, so that the eyesight is damaged for a long time. Today, the internet is rapidly developing, and there is a solution to the problem that videos of mobile phones can be projected to a television for playing through a DLNA protocol. Unfortunately, however, many software does not provide the functionality of a screen shot. One reason for this is that most enterprises can encrypt and protect their videos, and the standard DLNA protocol can only project unencrypted videos. This results in the necessity of not encrypting the video for the projection, which is unacceptable to many businesses.
In the past, screen projection technology for encrypted video basically depends on a same-screen device, and the method not only needs special hardware, but also has poor effect, because the same screen mainly aims at similar PPT demonstration and the content which does not need to be updated rapidly. Not only is the data size large for video, but also a slight slowness makes a feeling of pause in playback perceived.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention is directed to a system and method for projecting an encrypted video.
In order to achieve the purpose, the invention adopts the following technical scheme:
a system for projecting an encrypted video, comprising:
a server: used for storing the encrypted video;
transfer terminal: the method comprises the steps that a screen throwing App is operated, the screen throwing App is used for creating a remote Socket service and a local Socket service when screen throwing is needed, the remote Socket service is used for obtaining an encrypted video from a server according to the address of the encrypted video, and the local Socket service is used for decrypting the obtained encrypted video and transmitting the decrypted encrypted video to a television end;
and the television end is used for receiving and playing the video data decrypted by the local Socket service.
The invention also provides a method for utilizing the system, which comprises the following specific processes:
acquiring an address of an encrypted video to be projected;
starting a screen throwing App in a transfer terminal, inputting an address of an encrypted video, creating a remote Socket service and a local Socket service by the screen throwing App, acquiring the encrypted video from a server by the remote Socket service according to the address of the encrypted video, decrypting the acquired encrypted video by the local Socket service, and forwarding the decrypted encrypted video to a television end;
and the television end receives the video data decrypted by the local Socket service and plays the video data.
The invention has the beneficial effects that: the invention is realized by pure software, does not need extra hardware support, can realize screen projection by utilizing the mobile terminal, has no difference with the common screen projection speed, reduces the cost and can obtain better experience effect.
Detailed Description
The present invention will be further described below, and it should be noted that the present embodiment is based on the technical solution, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a system for projecting a screen to an encrypted video, which includes:
a server: used for storing the encrypted video;
transfer terminal: the method comprises the steps that a screen throwing App is operated, the screen throwing App is used for creating a remote Socket service and a local Socket service when screen throwing is needed, the remote Socket service is used for obtaining an encrypted video from a server according to the address of the encrypted video, and the local Socket service is used for decrypting the obtained encrypted video and transmitting the decrypted encrypted video to a television end;
and the television end is used for receiving and playing the video data decrypted by the local Socket service.
Further, the transfer terminal may be a mobile terminal such as a tablet computer and a mobile phone.
Example 2
The present embodiment provides a method using the system described in embodiment 1, which includes the following specific steps:
acquiring an address of an encrypted video to be projected;
starting a screen throwing App in a transfer terminal, inputting an address of an encrypted video, creating a remote Socket service and a local Socket service by the screen throwing App, acquiring the encrypted video from a server by the remote Socket service according to the address of the encrypted video, decrypting the acquired encrypted video by the local Socket service, and forwarding the decrypted encrypted video to a television end;
and the television end receives the video data decrypted by the local Socket service and plays the video data.
In the method, the address of the local Socket service created by the transit terminal is actually projected to the television terminal. That is, for the television end, the video source played by the television end is in the service of the transit terminal. Therefore, through the cooperative operation of the local service and the remote service, the encrypted video can be transmitted to the television for playing while being decoded. In addition, the video is stored in the server through encryption, and the whole decryption process is only carried out at the transfer terminal, so that the risk of stealing the encrypted video is avoided, and the purpose of screen projection can be achieved.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (2)
1. A system for projecting an encrypted video, comprising:
a server: used for storing the encrypted video;
transfer terminal: the method comprises the steps that a screen throwing App is operated, the screen throwing App is used for creating a remote Socket service and a local Socket service when screen throwing is needed, the remote Socket service is used for obtaining an encrypted video from a server according to the address of the encrypted video, and the local Socket service is used for decrypting the obtained encrypted video and transmitting the decrypted encrypted video to a television end;
and the television end is used for receiving and playing the video data decrypted by the local Socket service.
2. A method using the system of claim 1, comprising the steps of:
acquiring an address of an encrypted video to be projected;
starting a screen throwing App in a transfer terminal, inputting an address of an encrypted video, creating a remote Socket service and a local Socket service by the screen throwing App, acquiring the encrypted video from a server by the remote Socket service according to the address of the encrypted video, decrypting the acquired encrypted video by the local Socket service, and forwarding the decrypted encrypted video to a television end;
and the television end receives the video data decrypted by the local Socket service and plays the video data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663518.3A CN113422985A (en) | 2021-06-15 | 2021-06-15 | System and method for projecting encrypted video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663518.3A CN113422985A (en) | 2021-06-15 | 2021-06-15 | System and method for projecting encrypted video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113422985A true CN113422985A (en) | 2021-09-21 |
Family
ID=77788571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110663518.3A Pending CN113422985A (en) | 2021-06-15 | 2021-06-15 | System and method for projecting encrypted video |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113422985A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025349A (en) * | 2014-04-24 | 2015-11-04 | 英特尔公司 | Encrypted screencasting |
| CN207135116U (en) * | 2017-07-07 | 2018-03-23 | 浙江神州量子网络科技有限公司 | A kind of wireless throwing screen reception device and system based on true random number key |
| CN112312187A (en) * | 2019-07-31 | 2021-02-02 | 腾讯科技（深圳）有限公司 | Method, device and equipment for screen projection playing of video and storage medium |
-
2021
- 2021-06-15 CN CN202110663518.3A patent/CN113422985A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025349A (en) * | 2014-04-24 | 2015-11-04 | 英特尔公司 | Encrypted screencasting |
| CN207135116U (en) * | 2017-07-07 | 2018-03-23 | 浙江神州量子网络科技有限公司 | A kind of wireless throwing screen reception device and system based on true random number key |
| CN112312187A (en) * | 2019-07-31 | 2021-02-02 | 腾讯科技（深圳）有限公司 | Method, device and equipment for screen projection playing of video and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210921 |
|
| RJ01 | Rejection of invention patent application after publication |