CN111680269A - Method for controlling authority of digital film source projection equipment - Google Patents
Method for controlling authority of digital film source projection equipment Download PDFInfo
- Publication number
- CN111680269A CN111680269A CN202010526429.XA CN202010526429A CN111680269A CN 111680269 A CN111680269 A CN 111680269A CN 202010526429 A CN202010526429 A CN 202010526429A CN 111680269 A CN111680269 A CN 111680269A
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- Prior art keywords
- led
- movie
- screen
- movie screen
- film
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000013475 authorization Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
Abstract
The invention discloses a method for controlling the authority of a digital movie source projection device, which belongs to the field of digital movie source projection control, wherein the method controls the total number of times of digital movie source playing permission, the total number of times is decreased once every time the digital movie source is played, and when the total number of playing permission is zero, the playing is stopped; meanwhile, the total length of the projectable time of the LED movie screen can be controlled, the total length of the projectable time of the LED movie screen is decreased progressively according to the projection time during projection, and when the time is zero, the LED movie screen is stopped from being used and any movie can not be projected any more; the playing authority of the digital film source and the showing duration of the LED film screen are controlled by controlling the combination of the total playing times of the film source and the total showing duration of the LED film screen, so that the LED film screen has the function of controlling the playing times and the showing duration of the film, the diversity of the film authorization service popularization is effectively ensured, and the operating cost of the cinema can be effectively reduced.
Description
Technical Field
The invention relates to the field of digital movie source projection control, in particular to a method for controlling the authority of digital movie source projection equipment.
Background
As samsung introduced the first digital cinema projection device based on LED cinema screens in the world, the original traditional cinema projection mode based on projector approach was broken. The LED film screen is a projection device which takes the LED display screen as a display terminal and is integrated with a digital film projection server, and compared with a projector used in the traditional projection mode, the LED film screen has the advantages of high brightness, high contrast, strong expansibility, energy conservation, environmental protection, projection space saving and the like.
In the conventional projection mode, cinema movies must be authorized by license documents and then can be projected, but in the existing license documents, only the effective projection date range of the movies is specified, which causes that the movies can be projected for a plurality of times within the effective projection date range without the limitation of the number of projection times, which brings inconvenience to the business promotion of movie authorization, particularly in the new LED movie screen projection mode, the authorization mode for projecting the movies for a limited number of times becomes very important, and a method must be provided for realizing the limited projection of cinema movies on LED movie screen equipment.
In addition, in the conventional cinema, the projection equipment is generally purchased directly, and in the future cinema operation mode, more and more cinemas use the projection equipment in a renting mode in order to reduce the operation cost of the cinema. Especially, when the LED movie screen is used as a projection device, since the cost of the LED movie screen itself is high, the operating pressure on the cinema is high if the LED movie screen is directly purchased, and the operating pressure on the cinema is reduced by renting. Therefore, a method for controlling the service duration of the LED movie screen is needed to meet the business requirement of time-limited rental of the LED movie screen.
Disclosure of Invention
It is an object of the present invention to provide a method for controlling the rights of a digital cinema presentation device to solve the problems set forth in the background above.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of entitlement control for a digital cinema presentation device, said method comprising the steps of:
s1, importing a license file into the LED movie screen;
s2, decrypting the imported license file by the LED movie screen;
s3, the LED movie screen confirms whether the license file is issued to the LED movie screen through judging the number of the LED movie screen device obtained after decryption;
s4, if the license is issued to the LED movie screen, the LED movie screen stores the decrypted movie showing license conditions and the unique identification code of the license in a database of the LED movie screen;
and S5, when the LED movie screen shows the movie, controlling the movie showing authority and the use authority of the LED movie screen by controlling the movie showing permission conditions.
Preferably, in S4, the movie showing permission condition includes any one or both of the total number of times the movie can be shown and the total length of time the LED movie screen can be shown.
Preferably, the total number of times the film can be shown is controlled by a counter.
Preferably, the total duration of the projection of the LED movie screen is controlled by a clock chip.
The invention effectively ensures the diversity of the promotion of the film authorization service and can also effectively reduce the operation cost of the cinema.
Drawings
Fig. 1 is a block flow diagram of a method of entitlement control for a digital cinema presentation facility;
fig. 2 is a block diagram illustrating a process for controlling the right of a film presentation according to the present invention;
fig. 3 is a block diagram of a process for controlling the usage rights of an LED movie screen according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
As shown in fig. 1, the present invention provides a method of entitlement control for a digital cinema presentation device, the method comprising the steps of:
s1, importing a license file into the LED movie screen;
s2, decrypting the imported license file by the LED movie screen;
s3, the LED movie screen confirms whether the license file is issued to the LED movie screen through judging the number of the LED movie screen device obtained after decryption;
s4, if the license is issued to the LED movie screen, the LED movie screen stores the decrypted movie showing license conditions and the unique identification code of the license in a database of the LED movie screen;
and S5, when the LED movie screen shows the movie, controlling the movie showing authority and the use authority of the LED movie screen by controlling the movie showing permission conditions.
When the digital movie source is shown through the LED movie screen, as shown in fig. 2, the following steps are executed to control the playback right of the digital movie source:
s1, importing a license file into the LED movie screen;
s2, decrypting the imported license file by the LED movie screen;
s3, the LED movie screen confirms whether the license file is issued to the LED movie screen through judging the number of the LED movie screen device obtained after decryption;
s4, if the license is issued to the LED movie screen, the LED movie screen stores the total showing times of the decrypted movie and the unique identification code of the license in a database of the LED movie screen;
s5, when the LED film screen shows a film, the number of times that the film can be shown is controlled through a counter to control the film showing authority;
the database counts by a counter each time a film is shown, the total number of showings recorded in the database is decremented once, and when the total number of showings is decremented to zero, the film cannot be shown any more.
When a digital movie source is projected through an LED movie screen, as shown in fig. 3, the following steps are performed to control the usage duration of the LED movie screen:
s1, importing a license file into the LED movie screen;
s2, decrypting the imported license file by the LED movie screen;
s3, the LED movie screen confirms whether the license file is issued to the LED movie screen through judging the number of the LED movie screen device obtained after decryption;
s4, if the license is issued to the LED movie screen, the LED movie screen stores the total showing duration of the LED movie screen obtained after decryption and the unique identification code of the license in a database of the LED movie screen;
s5, when the LED movie screen shows a movie, the use permission of the LED movie screen is controlled by controlling the total duration of the movie which can be shown through the clock chip;
the consumed time is calculated by the clock chip, the usable time is reduced by the same time in the own database, and the LED movie screen is automatically stopped when the usable time is reduced to zero.
The method is applied to the projection of the LED film screen, so that the LED film screen has the functions of controlling the film projection times and the self use duration, the diversity of film promotion and authorization services is effectively ensured, and the operating cost of the cinema can be effectively reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A method of entitlement control for a digital cinema film source projection device, characterized by: the method comprises the following steps:
s1, importing a license file into the LED movie screen;
s2, decrypting the imported license file by the LED movie screen;
s3, the LED movie screen confirms whether the license file is issued to the LED movie screen through judging the number of the LED movie screen device obtained after decryption;
s4, if the license is issued to the LED movie screen, the LED movie screen stores the decrypted movie showing license conditions and the unique identification code of the license in a database of the LED movie screen;
and S5, when the LED movie screen shows the movie, controlling the movie showing authority and the use authority of the LED movie screen by controlling the movie showing permission conditions.
2. The method of entitlement control for a digital cinema presentation device in accordance with claim 1, characterized by: in S4, the movie projection permission condition includes either or both of the total number of times the movie can be projected and the total length of time the LED movie screen can be projected.
3. The method of entitlement control for a digital cinema presentation device in accordance with claim 2, characterized by: the total number of times the film can be shown is controlled by a counter.
4. The method of entitlement control for a digital cinema presentation device in accordance with claim 2, characterized by: the total showing time of the LED movie screen is controlled by the clock chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526429.XA CN111680269A (en) | 2020-06-09 | 2020-06-09 | Method for controlling authority of digital film source projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526429.XA CN111680269A (en) | 2020-06-09 | 2020-06-09 | Method for controlling authority of digital film source projection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111680269A true CN111680269A (en) | 2020-09-18 |
Family
ID=72454535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010526429.XA Pending CN111680269A (en) | 2020-06-09 | 2020-06-09 | Method for controlling authority of digital film source projection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111680269A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150067719A1 (en) * | 2013-09-05 | 2015-03-05 | Gdc Technology (Shenzhen) Limited | Method for controlling digital film play-count and a system thereof |
| CN108494847A (en) * | 2018-03-15 | 2018-09-04 | 楼培德 | A kind of digital movie distribution projection method and system |
| CN108966037A (en) * | 2018-08-02 | 2018-12-07 | 航天未来数字电影院线（北京）有限公司 | A kind of digital film projector method and system based on satellite reception |
| CN110730370A (en) * | 2019-11-07 | 2020-01-24 | 中影数字电影发展(北京)有限公司 | Production method for authorizing message transfer, and movie playing method and system using same |
-
2020
- 2020-06-09 CN CN202010526429.XA patent/CN111680269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150067719A1 (en) * | 2013-09-05 | 2015-03-05 | Gdc Technology (Shenzhen) Limited | Method for controlling digital film play-count and a system thereof |
| CN108494847A (en) * | 2018-03-15 | 2018-09-04 | 楼培德 | A kind of digital movie distribution projection method and system |
| CN108966037A (en) * | 2018-08-02 | 2018-12-07 | 航天未来数字电影院线（北京）有限公司 | A kind of digital film projector method and system based on satellite reception |
| CN110730370A (en) * | 2019-11-07 | 2020-01-24 | 中影数字电影发展(北京)有限公司 | Production method for authorizing message transfer, and movie playing method and system using same |
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