CN106658060A - Digital cinema projection processing method and apparatus - Google Patents
Digital cinema projection processing method and apparatus Download PDFInfo
- Publication number
- CN106658060A CN106658060A CN201510414534.3A CN201510414534A CN106658060A CN 106658060 A CN106658060 A CN 106658060A CN 201510414534 A CN201510414534 A CN 201510414534A CN 106658060 A CN106658060 A CN 106658060A
- Authority
- CN
- China
- Prior art keywords
- video data
- processing unit
- coding
- central processing
- encryption
- 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
Classifications
-
- 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, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general
-
- 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
Abstract
The invention discloses a digital cinema projection processing method and apparatus. The method comprises the following steps: obtaining predetermined video data from a digital cinema media block (MB); a central processor controlling a video data encoding processing unit to encode the obtained video data and simultaneously obtaining and storing encoding information of the video data from the video data encoding processing unit; and the central processor controlling one or more external projection devices to receive the video data after encoding and play the encoded video data. According to the digital cinema projection processing method and apparatus provided by the invention, the apparatus is not internally provided with an optical processing projection function module, only digital cinema video data output by a digital cinema MB is processed, and processed video data information can be output through one path and can also be simultaneously output through multiple paths. The output video data is directly transmitted to the external projection devices for play.
Description
Technical field
The present invention relates to a kind of digital film projector processing method and processing device.
Background technology
At present, the projection of digital movie mainly passes through digital movie media module（MB：Media Block）By digital movie bag（DCP：Digital Cinema
Package）Data deciphering and image decompressor are carried out, by the digital movie video data transmission after process to d-cinema projectors, while by digital movie voice data synchronous transfer to audio process.D-cinema projectors are by video data restoration into meeting the image projecting of motion picture technique standard to screen；After audio process is by the process of digital movie voice data, by audio amplifier synchronism output sound.Spectators carry out the viewing of digital movie by screen projection.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of digital film projector processing method and processing device.
To reach above-mentioned purpose, a kind of digital film projector processing method of the present invention is comprised the following steps：
Predetermined video data is obtained from digital movie media module；
Central processing unit controls video data encoding processing unit to the coding video data that gets, and while the coding information of video data is obtained and stored from video data encoding processing unit；
Central processing unit controls one or more outside projection equipments and receives the video data after coding and play out.
Preferably, methods described also needs to be encrypted the video data after coding, and it is specially：Central processing unit obtains encryption key from outside projection equipment and controls video data ciphering unit and the video data after coding is encrypted, obtain from video data ciphering unit simultaneously and store the encryption information of video data, and encryption information is sent to into outside projection equipment.
Preferably, methods described also needs to carry out shunting process to the video data after encryption, and it is specially：Central processing unit control video data dividing cell is shunted to the video data after encryption, while the encryption information of video data is obtained and stored from video data dividing cell.
To reach above-mentioned purpose, a kind of digital film projector processing meanss of the present invention, it is characterised in that it at least includes central processing unit, video data encoding processing unit, video data ciphering unit, video data dividing cell, outside projection unit, wherein；
Video data encoding processing unit, obtain predetermined video data from digital movie media module for receiving, while the coding-control that reception central processing unit is sent is instructed to coding video data, and coding information is fed back to into central processing unit；
Video data ciphering unit, video data after for receiving the coding obtained from video data encoding processing unit, the control extension instruction that simultaneously reception central processing unit is made according to the encryption key obtained from outside projection equipment is encrypted to the video data after coding, and encryption information is sent to into outside projection equipment；
Video data dividing cell, for receiving the video data from video data ciphering unit after the encryption of acquisition, while the flow-dividing control instruction that reception central processing unit is sent is shunted to the video data after encryption, and feeds back to central processing unit by diffluent information；
Outside projection equipment, one or more, for playing out to the video data after process.
Beneficial effects of the present invention are：
The present invention provides a kind of digital film projector processing meanss and processing method, without Light Processing projection functional module inside the device, only the digital movie video data that digital movie media module MB is exported is processed, video data information after process can be by carrying out all the way data output, it is also possible to carries out data syn-chronization output by multichannel.The video data of output is transmitted directly to outside projection equipment and plays out.The data output mode of the equipment could be arranged to clear data output or ciphertext data output according to configuration.When ciphertext data output is set to, the negotiation of key is encrypted between the equipment and the external equipment of receiving data by secure communication protocols.
Description of the drawings
Fig. 1 is the block diagram of digital film projector processing meanss described in the embodiment of the present invention 1；
Fig. 2 is the block diagram of digital film projector processing meanss described in the embodiment of the present invention 2；
Fig. 3 is the block diagram of digital film projector processing meanss described in the embodiment of the present invention 3.
Specific embodiment
With reference to Figure of description, the present invention will be further described.
A kind of digital film projector processing meanss of the present invention, it at least includes central processing unit, video data encoding processing unit, video data ciphering unit, video data dividing cell, outside projection unit, wherein；
Video data encoding processing unit, obtain predetermined video data from digital movie media module for receiving, while the coding-control that reception central processing unit is sent is instructed to coding video data, and coding information is fed back to into central processing unit；
Video data ciphering unit, video data after for receiving the coding obtained from video data encoding processing unit, the control extension instruction that simultaneously reception central processing unit is made according to the encryption key obtained from outside projection equipment is encrypted to the video data after coding, and encryption information is sent to into outside projection equipment；
Video data dividing cell, for receiving the video data from video data ciphering unit after the encryption of acquisition, while the flow-dividing control instruction that reception central processing unit is sent is shunted to the video data after encryption, and feeds back to central processing unit by diffluent information；
Outside projection equipment, one or more, for playing out to the video data after process.
For above-mentioned digital film projector processing meanss, the present invention provides a kind of digital film projector processing method, is specifically explained by following examples：
Embodiment 1：
A kind of digital film projector processing method described in the present embodiment, specially：As shown in Figure 1, predetermined video data is obtained from digital movie media module, central processing unit controls video data encoding processing unit to the coding video data that gets, and while the coding information of video data is obtained and stored from video data encoding processing unit, central processing unit controls one or more outside projection equipments and receives the video data after coding and play out, and the reduction of digital movie image is such as carried out using virtual reality glasses, TV equipment.In addition, according to configuration, video data can be by wired output or wireless output.
Embodiment 2：
A kind of digital film projector processing method described in the present embodiment, specially：As shown in Figure 2, predetermined video data is obtained from digital movie media module, central processing unit controls video data encoding processing unit to the coding video data that gets, and while the coding information of video data is obtained and stored from video data encoding processing unit, central processing unit obtains encryption key from outside projection equipment and controls video data ciphering unit and the video data after coding is encrypted, obtain from video data ciphering unit simultaneously and store the encryption information of video data, and encryption information is sent to into outside projection equipment.Central processing unit controls one or more outside projection equipments and receives the video data after coding and play out, and the reduction of digital movie image is such as carried out using virtual reality glasses, TV equipment.In addition, according to configuration, video data can be by wired output or wireless output.
Embodiment 3：
A kind of digital film projector processing method described in the present embodiment, specially：As shown in Figure 3, predetermined video data is obtained from digital movie media module, central processing unit controls video data encoding processing unit to the coding video data that gets, and while the coding information of video data is obtained and stored from video data encoding processing unit, central processing unit obtains encryption key from outside projection equipment and controls video data ciphering unit and the video data after coding is encrypted, obtain from video data ciphering unit simultaneously and store the encryption information of video data, and encryption information is sent to into outside projection equipment.Central processing unit control video data dividing cell is shunted to the video data after encryption, while the encryption information of video data is obtained and stored from video data dividing cell.Central processing unit controls one or more outside projection equipments and receives the video data after coding and play out, and the reduction of digital movie image is such as carried out using virtual reality glasses, TV equipment.In addition, according to configuration, video data can be by wired output or wireless output.
The present invention provides a kind of digital film projector processing meanss and processing method, without Light Processing projection functional module inside the device, only the digital movie video data that digital movie media module MB is exported is processed, video data information after process can be by carrying out all the way data output, it is also possible to carries out data syn-chronization output by multichannel.The video data of output is transmitted directly to outside projection equipment and plays out.The data output mode of the equipment could be arranged to clear data output or ciphertext data output according to configuration.When ciphertext data output is set to, the negotiation of key is encrypted between the equipment and the external equipment of receiving data by secure communication protocols.
More than; only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art the invention discloses technical scope in; the change or replacement that can be readily occurred in, all should be included within the scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (4)
1. a kind of digital film projector processing method, it is characterised in that comprise the following steps：
Predetermined video data is obtained from digital movie media module；
Central processing unit controls video data encoding processing unit to the coding video data that gets, and while the coding information of video data is obtained and stored from video data encoding processing unit；
Central processing unit controls one or more outside projection equipments and receives the video data after coding and play out.
2. digital film projector processing method according to claim 1, it is characterised in that methods described also needs to be encrypted the video data after coding, and it is specially：Central processing unit obtains encryption key from outside projection equipment and controls video data ciphering unit and the video data after coding is encrypted, obtain from video data ciphering unit simultaneously and store the encryption information of video data, and encryption information is sent to into outside projection equipment.
3. digital film projector processing method according to claim 2, it is characterised in that methods described also needs to carry out shunting process to the video data after encryption, and it is specially：Central processing unit control video data dividing cell is shunted to the video data after encryption, while the encryption information of video data is obtained and stored from video data dividing cell.
4. a kind of digital film projector processing meanss, it is characterised in that it at least includes central processing unit, video data encoding processing unit, video data ciphering unit, video data dividing cell, outside projection unit, wherein；
Video data encoding processing unit, obtain predetermined video data from digital movie media module for receiving, while the coding-control that reception central processing unit is sent is instructed to coding video data, and coding information is fed back to into central processing unit；
Video data ciphering unit, video data after for receiving the coding obtained from video data encoding processing unit, the control extension instruction that simultaneously reception central processing unit is made according to the encryption key obtained from outside projection equipment is encrypted to the video data after coding, and encryption information is sent to into outside projection equipment；
Video data dividing cell, for receiving the video data from video data ciphering unit after the encryption of acquisition, while the flow-dividing control instruction that reception central processing unit is sent is shunted to the video data after encryption, and feeds back to central processing unit by diffluent information；
Outside projection equipment, one or more, for playing out to the video data after process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414534.3A CN106658060A (en) | 2015-07-15 | 2015-07-15 | Digital cinema projection processing method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414534.3A CN106658060A (en) | 2015-07-15 | 2015-07-15 | Digital cinema projection processing method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106658060A true CN106658060A (en) | 2017-05-10 |
Family
ID=58815364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510414534.3A Pending CN106658060A (en) | 2015-07-15 | 2015-07-15 | Digital cinema projection processing method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106658060A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316158A (en) * | 1998-05-08 | 2001-10-03 | 夸尔柯姆股份有限公司 | Apparatus and method for distribution of high quality image and audio programs to remote locations |
| CN201435788Y (en) * | 2009-04-23 | 2010-03-31 | 公安部第一研究所 | Digital video coder having real-time encryption function |
| CN103873233A (en) * | 2014-03-19 | 2014-06-18 | 国家广播电影电视总局电影数字节目管理中心 | Digital film secret key distributing method, device and system based on management website |
| CN104540016A (en) * | 2014-12-29 | 2015-04-22 | 乐视网信息技术（北京）股份有限公司 | Video playing method and device |
-
2015
- 2015-07-15 CN CN201510414534.3A patent/CN106658060A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316158A (en) * | 1998-05-08 | 2001-10-03 | 夸尔柯姆股份有限公司 | Apparatus and method for distribution of high quality image and audio programs to remote locations |
| CN201435788Y (en) * | 2009-04-23 | 2010-03-31 | 公安部第一研究所 | Digital video coder having real-time encryption function |
| CN103873233A (en) * | 2014-03-19 | 2014-06-18 | 国家广播电影电视总局电影数字节目管理中心 | Digital film secret key distributing method, device and system based on management website |
| CN104540016A (en) * | 2014-12-29 | 2015-04-22 | 乐视网信息技术（北京）股份有限公司 | Video playing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10021301B2 (en) | Omnidirectional camera with multiple processors and/or multiple sensors connected to each processor | |
| US9843725B2 (en) | Omnidirectional camera with multiple processors and/or multiple sensors connected to each processor | |
| JP2007306539A (en) | Method and apparatus for serving audiovisual content | |
| US10958971B2 (en) | Display apparatus and video processing apparatus | |
| TW200931268A (en) | Method, apparatus and system for generating and facilitating mobile high-definition multimedia interface | |
| TWI495331B (en) | Set-top-box, flash glasses and method of a plurality of users watching a plurality of tv programs at the same time | |
| CN105652459A (en) | Wireless receiving device | |
| EP3244625A1 (en) | Electronic device and method of transmitting content item | |
| KR20170088357A (en) | Synchronized media servers and projectors | |
| EP3149954A1 (en) | Media agnostic display for wi-fi display | |
| TW201112758A (en) | Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports | |
| WO2016063617A1 (en) | Image generation device, image extraction device, image generation method, and image extraction method | |
| CN108235077A (en) | Image providing device, its control method and image providing system | |
| US20190228804A1 (en) | Device, method, storage medium, and terminal for controlling video stream data playing | |
| CN107079188A (en) | Media content reception and playback controls | |
| JP2016052015A (en) | Electronic apparatus and gamut determination method | |
| JP2011155640A (en) | Three-dimensional image reproducing apparatus | |
| CN106658060A (en) | Digital cinema projection processing method and apparatus | |
| JP2011015154A (en) | Video receiver and display device | |
| JP2014022947A (en) | Stereoscopic video transmission apparatus, stereoscopic video transmission method, and stereoscopic video processing apparatus | |
| TWI720153B (en) | Transmission device, transmission method, reception device, reception method and transmission and transmission system | |
| JP6904250B2 (en) | Transmitter, transmitter, receiver and receiver | |
| JP2020182011A (en) | Image processing method and image processing device | |
| US10264241B2 (en) | Complimentary video content | |
| JP2012054733A (en) | Reproduction apparatus and reproduction method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |