CN102724522B - Method and system for realizing 4D digital film based on DCI standard - Google Patents
Method and system for realizing 4D digital film based on DCI standard Download PDFInfo
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Abstract
Embodiments of the invention provide a method and a system for realizing a 4D digital film based on a DCI standard. The method comprises the following steps: making an environment instruction bag corresponding to a 3D commercial digital film using files according with the DCI standard; placing the environment instruction bag in an environment server; receiving an operation instruction sent from a digital film server by the environment server when the 3D commercial digital film starts to be shown; and executing the environment instruction bag according to the operation instruction to make execution of environment motion maintain synchronization with the play of the 3D commercial digital film. Embodiments in the invention utilize files satisfying the DCI standard to make the environment instruction bag directing at the 3D commercial digital film, wherein the environment instruction bag and the 3D commercial digital film are executed separately while maintaining synchronization between each other, so that a 4D dynamic effect can be reached with low realization cost when a common digital film is played in a digital cinema.
Description
Technical field
The present invention relates to video playback technical field, especially relate to a kind of 4D digital movie implementation method and system based on DCI standard.
Background technology
4D film is on the basis of 3D three-dimensional film, to add environmental effects analog simulation and the novel video display product that develops.Also be referred to as four-dimensional film: i.e. three-dimensional three-dimensional film and surrounding environment simulation composition space-time.Spectators, in the time seeing three-dimensional film, except traditional 3D vision shock, along the variation of movie and television contents, can experience in real time storm, thunder and lightning, rain, clash into, spray the event corresponding with exploded view that water smoke, bat leg etc. occurred at one's side.Compared with traditional 3D three-dimensional film, spectators can also experience the comprehensive impression such as sense of touch, sense of smell in the time watching 4D film except vision, the sense of hearing.
But because 4D film making is the system of a sealing, only resting at present in several companies hand, make finished product high, is generally all the short-movie of length of a film about 20 minutes.Therefore the film source of 4D film is very rare, and formal 4D commercial digital film does not have especially.
Existing 4D film producing process schematic diagram can be shown in Figure 1, generally to take or the 3D film of having taken is input in 4D synthesis system by two-shipper, the environment action simultaneously also actions editor being editted inputs in 4D synthesis system, by the synthetic private formatted 4D film bag of 4D synthesis system.The projection process of the formatted 4D film of this private as shown in Figure 2, first reads this 4D film bag from privately owned 4D movie services device, from this 4D film bag, solves audio signal, delivers to the reduction that completes sound in sound system; And solve vision signal from this 4D film bag, and deliver in projector, complete the projection of 3D film by 3D system; From this 4D film bag, solve environment action directive, deliver in seat and environmental control, complete the control to seat and environment simultaneously.
Making and projection by above-mentioned existing 4D film are described and can be found out, existing 4D film also exists following defect:
Due to the closure of system, make others cannot learn the format standard of 4D film bag, its 4D film bag must not meet the DCI standard of commercial digital film yet, cannot be used on the digital projection system of commercial theater, if existing commercial digital movie theatre wants to play this 4D film bag, must install a set of 4D projection system additional.In addition, also can only read the special film bag of 4D film for showing the 4D movie services device of 4D film, and the incompatible commercial digital film bag that meets DCI standard, same, if 4D movie theatre wants to play commercial digital film, also must install the digital film projector system of a set of DCI of meeting standard additional.
Summary of the invention
The embodiment of the present invention provides a kind of 4D digital movie implementation method and system based on DCI standard, can reach the dynamic effect of 4D for realizing in digital movie institute while showing ordinary numbers film.
On the one hand, the embodiment of the present invention provides a kind of 4D digital movie implementation method based on DCI standard, and the method comprises the steps: to utilize the documenting environmental directives bag corresponding with 3D commercial digital film that meets DCI standard; Described environmental directives bag is placed in to environment server; Environment server receives digital cinema server at the operational order that starts to send while showing described 3D commercial digital film, and according to described operational order execution environment instruction bag, makes the execution of environment action and the projection of 3D commercial digital film keep synchronous.
Preferably, in the embodiment of the present invention, utilize the documenting environmental directives bag corresponding with 3D commercial digital film that meets DCI standard to comprise: to utilize XML document definition to describe described environmental directives bag, described XML file comprises top layer ActionReel element, described top layer ActionReel element comprises: the Id element of defined file global unique identification, the ContentTitleText element of definition environment instruction packet header, the AnnotationText element of the supplementary of definition environment instruction bag, the IssueData element of defined file date issued, the Language element of definition environment instruction language that bag uses, the ActionList element of all set that perform an action in the EditRate element of the code used frame per second of definition film and definition time line.
Preferably, in the embodiment of the present invention, top layer ActionReel element also comprises the ReelNumber element of definition film label or the StartTime element of definition environment instruction bag Starting Executing Time.
Preferably, in the embodiment of the present invention, comprise according to described operational order execution environment instruction bag: environment server sends to environmental control system by the instruction in environmental directives bag by serial ports according to described operational order, described environmental control system is carried out the action of corresponding environment according to the command content final controlling element that controls environment.
Preferably, the packet that is 10 bytes by overall length between environment server and described environmental control system in the embodiment of the present invention communicates, described packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
On the other hand, the embodiment of the present invention also provides a kind of 4D digital movie based on DCI standard to realize system, it is characterized in that, described system comprises: environment server, digital cinema server, projection system and environmental control system, Serial Port Line by DB9 between described environment server and described environmental control system interconnects, described digital cinema server is connected with described projection system, and be connected by GPIO holding wire between described digital cinema server and described environment server, wherein: in described environment server, be provided with environmental directives bag, described environmental directives bag is corresponding with 3D commercial digital film, and be to utilize the documenting that meets DCI standard to form, described environment server is for receiving digital cinema server at the operational order that starts to send while showing described 3D commercial digital film, and according to described operational order execution environment instruction bag, make the projection of the environment action of described environmental control system generation and the 3D commercial digital film of described projection system projection keep synchronous.
Preferably, environmental directives bag in the embodiment of the present invention is to utilize XML document definition to describe, described XML file comprises top layer ActionReel element, described top layer ActionReel element comprises: the Id element of defined file global unique identification, the ContentTitleText element of definition environment instruction packet header, the AnnotationText element of the supplementary of definition environment instruction bag, the IssueData element of defined file date issued, the Language element of definition environment instruction language that bag uses, the ActionList element of all set that perform an action in the EditRate element of the code used frame per second of definition film and definition time line.
Preferably, in the embodiment of the present invention, top layer ActionReel element also comprises the ReelNumber element of definition film label or the StartTime element of definition environment instruction bag Starting Executing Time.
Preferably, in the embodiment of the present invention, environment server is according to described operational order execution environment instruction bag, make the projection of the 3D commercial digital film of environment action that described environmental control system produces and the projection of described projection system keep synchronously comprising: environment server sends to environmental control system by the instruction in environmental directives bag by DB9 serial port according to described operational order, described environmental control system is carried out corresponding environment and is moved according to the command content final controlling element that controls environment.
Preferably, the packet that is 10 bytes by overall length between environment server and described environmental control system in the embodiment of the present invention communicates, described packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
Embodiment of the present invention utilization meets the file of DCI standard for 3D commercial digital film making environmental directives bag, this environmental directives bag and 3D commercial digital film are separately carried out, but keep each other synchronous, make in the time of digital movie institute projection ordinary numbers film, to reach the dynamic effect of 4D, and it is lower to realize cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is existing 4D film producing process schematic diagram;
Fig. 2 is the projection procedure chart of the formatted 4D film of existing private;
The schematic flow sheet of a kind of 4D digital movie implementation method based on DCI standard that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of environmental directives bag that Fig. 4 provides for the embodiment of the present invention;
The structure chart of communication data packet between the environment server that Fig. 5 provides for the embodiment of the present invention and environmental control system;
A kind of 4D digital movie based on DCI standard that Fig. 6 provides for the embodiment of the present invention is realized the structural representation of system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The schematic flow sheet of a kind of 4D digital movie implementation method based on DCI standard providing for the embodiment of the present invention as Fig. 3, the method comprises the steps:
S301: utilize the documenting environmental directives bag corresponding with 3D commercial digital film that meets DCI standard.DCI standard is a kind of standard that formulate Hollywood, what now in world wide, making, distribution, the projection of business digital movie followed is all this standard, and this standard criterion has been unified the series of standards such as the encoding and decoding, encryption and decryption, packing, distribution, mandate, parsing of digital movie.
In the present embodiment, for the environment action of fourth dimension is incorporated to traditional 3D digital business film, and utilized meet DCI standard documenting environmental directives bag.The concrete mode of making of this environmental directives bag can be the content according to film, on corresponding time point, edits out concrete environmental directives bag by environment programming device.Different with traditional 4D film, this environmental directives bag is independent mutually with 3D digital business film, does not need and the synthetic 4D film bag of 3D digital business film.
As one embodiment of the present of invention, can utilize XML document definition to describe described environmental directives bag, the structure of this environmental directives bag can be shown in Figure 4, can be defined as follows specifically for environmental directives bag:
In the XML file of each environmental directives bag, define a top layer ActionReel element, in this top layer ActionReel element, comprised:
Id element, this element definition the global unique identification of file, it adopts urn:uuid coding;
ContentTitleText element, this element has comprised an expressly character string, has defined the title of environmental directives bag, for being shown to user, for example, so which film user can understand this environmental directives bag for, " A Fanda " etc.;
AnnotationText element, this element has comprised an expressly character string, has defined the supplementary of environmental directives bag;
IssueData element, this element definition the file distribution date, adopt the xs:dateTime type specification of XML;
ReelNumber element, this element definition the label of film, be an integer value, from 1 to n, n is not more than the volume number of film;
Language element, this element definition the language that uses of environmental directives bag, its value is xs:language type, can set default value, such as default value is en (English);
EditRate element, this element definition the code used frame per second of film, it is described with two integers;
StartTime element, this element definition environmental directives bag Starting Executing Time, with one expressly character string describe, while expression respectively with HH:MM:SS:EEE, minute, second, microsecond;
ActionList element, this element definition all set that perform an action in film timeline, it comprises Action and two daughter elements of Time.Action is with expressly having defined 14 kinds of actions, and these 14 kinds of actions specifically can be referring to table 1, and Time adopts expressly character string to describe, when HH:MM:SS:EEE represents respectively, minute, second, microsecond.
| Sequence number | Action definition |
| 1 | Left |
| 2 | Right |
| 3 | Before |
| 4 | After |
| 5 | On |
| 6 | Under |
| 7 | Water spray |
| 8 | Blow front wind |
| 9 | Blow rear wind |
| 10 | Clap leg |
| 11 | Spray perfume over sth |
| 12 | Lightning |
| 13 | Vibrations |
| 14 | Clash into |
Table 1
It is pointed out that above-mentioned AnnotationText element, ReelNumber element and StartTime element are not necessary, but optional.
S302: described environmental directives bag is placed in to environment server.
S303: environment server receives digital cinema server at the operational order that starts to send while showing described 3D commercial digital film, and according to described operational order execution environment instruction bag, make the execution of environment action and the projection of 3D commercial digital film keep synchronous.
In the present embodiment, digital cinema server is in the time of projection 3D commercial digital film, as long as send an operational order to environment server in the time that film starts to show, environment server is being received after this operational order, learn that digital cinema server will start to have showed a film, thereby call the environmental directives bag matching with this film, specifically, environment server can send to environmental control system by serial ports by this environmental directives bag, carries out corresponding environment move by environmental control system according to the content-control environment final controlling element in instruction bag.Like this, the execution of the projection of film and environment action just can keep synchronously carrying out.
As one embodiment of the present of invention, the packet that can be 10 bytes by overall length between environment server and environmental control system communicates, the form of this packet can be as shown in Figure 5, this packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
Embodiment of the present invention utilization meets the file of DCI standard for 3D commercial digital film making environmental directives bag, this environmental directives bag and 3D commercial digital film are separately carried out, but keep each other synchronous, make in the time of digital movie institute projection ordinary numbers film, to reach the dynamic effect of 4D, and it is lower to realize cost.
A kind of 4D digital movie based on DCI standard that being illustrated in figure 6 the embodiment of the present invention provides is realized the structural representation of system, this system comprises: environment server 610, digital cinema server 620, projection system 630 and environmental control system 640, Serial Port Line by DB9 between environment server 610 and environmental control system 640 interconnects, digital cinema server 620 is connected with projection system 630, and is connected by GPIO holding wire between digital cinema server 620 and environment server 610.
In the present embodiment, projection system 630 specifically can comprise: projector 631,3D system 632, screen 633, sound system 634 and sound equipment 635, wherein projector 631 is connected with digital cinema server 620 respectively with sound system 634, and 3D system 632 is connected with projector 631 and screen 633 respectively, sound equipment 635 is connected with sound system 634.
In environment server 610, be provided with environmental directives bag, this environmental directives bag is corresponding with 3D commercial digital film, and is to utilize the documenting that meets DCI standard to form.
As one embodiment of the present of invention, this environmental directives bag is to utilize XML document definition to describe, this XML file comprises top layer ActionReel element, and top layer ActionReel element comprises: the Id element of defined file global unique identification, the ContentTitleText element of definition environment instruction packet header, the AnnotationText element of the supplementary of definition environment instruction bag, the IssueData element of defined file date issued, the Language element of definition environment instruction language that bag uses, the ActionList element of all set that perform an action in the EditRate element of the code used frame per second of definition film and definition time line, the ReelNumber element of definition film label and the StartTime element of definition environment instruction bag Starting Executing Time.
It is pointed out that above-mentioned AnnotationText element, ReelNumber element and StartTime element are not necessary, but optional.
As one embodiment of the present of invention, the packet that can be 10 bytes by overall length between environment server 610 and environmental control system 640 communicates, this packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
Below the concrete operation principles of native system is described as follows:
1, will between environment server 610 and digital cinema server 620, couple together by GPIO holding wire;
2, will between environment server 610 and environmental control system, interconnect by DB9 serial port line;
3, carrying out, before motion picture projection, environmental directives being packaged into environment server 610;
4, start to show 3D commercial digital film by digital cinema server 620, in the time starting to show, digital cinema server 620 by GPIO to environment server 610 transmit operation instructions;
5, environment server 610 is received after the operational order that digital cinema server 620 sends, start to carry out the environmental directives bag matching with this 3D commercial digital film, environment server 610 can keep synchronous by GPIO and digital cinema server simultaneously, consistent to guarantee the action of environment and the content of film;
6, environment server 610 sends to environmental control system 640 by the instruction in environmental directives bag by DB9 serial port.As previously mentioned, this instruction is the plaintext character of 5 bytes, and concrete instruction can be referring to table 2.
| Sequence number | Action definition | Instruction |
| 1 | Left | 00011 |
| 2 | Right | 00012 |
| 3 | Before | 00013 |
| 4 | After | 00014 |
| 5 | On | 00015 |
| 6 | Under | 00016 |
| 7 | Water spray | 00017 |
| 8 | Blow front wind | 00018 |
| 9 | Blow rear wind | 00019 |
| 10 | Clap leg | 00020 |
| 11 | Spray perfume over sth | 00021 |
| 12 | Lightning | 00022 |
| 13 | Vibrations | 00023 |
| 14 | Clash into | 00024 |
Table 2
7, the seat in environmental control system 640 and environmental control 641 are received after the instruction that DB9 serial port sends, carry out corresponding action according to control environment device 642 of command content with seat 643, such as storm, thunder and lightning, rain, clash into, spray water smoke, clap the actions such as leg.
8, the projector 631 in projection system 630,3D system 632, screen 633, sound system 634 and sound equipment 635 and the same running of original business projection, and do not need to change.
Embodiment of the present invention utilization meets the file of DCI standard for 3D commercial digital film making environmental directives bag, this environmental directives bag and 3D commercial digital film are separately carried out, but keep each other synchronous, make in the time of digital movie institute projection ordinary numbers film, to reach the dynamic effect of 4D, and it is lower to realize cost.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program completes, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. the 4D digital movie implementation method based on DCI standard, is characterized in that, described method comprises the steps:
Utilization meets the documenting environmental directives bag corresponding with 3D commercial digital film of DCI standard;
Described environmental directives bag is placed in to environment server;
Environment server receives digital cinema server at the operational order that starts to send while showing described 3D commercial digital film, and according to described operational order execution environment instruction bag, makes the execution of environment action and the projection of 3D commercial digital film keep synchronous;
Wherein, the documenting environmental directives bag corresponding with 3D commercial digital film that described utilization meets DCI standard comprises: utilize XML document definition to describe described environmental directives bag, described XML file comprises top layer ActionReel element, described top layer ActionReel element comprises: the Id element of defined file global unique identification, the ContentTitleText element of definition environment instruction packet header, the AnnotationText element of the supplementary of definition environment instruction bag, the IssueData element of defined file date issued, the Language element of definition environment instruction language that bag uses, the ActionList element of all set that perform an action in the EditRate element of the code used frame per second of definition film and definition time line.
2. implementation method as claimed in claim 1, is characterized in that, it is characterized in that, described top layer ActionReel element also comprises the ReelNumber element of definition film label or the StartTime element of definition environment instruction bag Starting Executing Time.
3. implementation method as claimed in claim 1, is characterized in that, describedly comprises according to described operational order execution environment instruction bag:
Environment server sends to environmental control system by the instruction in environmental directives bag by serial ports according to described operational order, and described environmental control system is carried out the action of corresponding environment according to the command content final controlling element that controls environment.
4. implementation method as claimed in claim 3, it is characterized in that, the packet that is 10 bytes by overall length between described environment server and described environmental control system communicates, described packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
5. the 4D digital movie based on DCI standard is realized system, it is characterized in that, described system comprises: environment server, digital cinema server, projection system and environmental control system, Serial Port Line by DB9 between described environment server and described environmental control system interconnects, described digital cinema server is connected with described projection system, and between described digital cinema server and described environment server, be connected by GPIO holding wire, wherein:
In described environment server, be provided with environmental directives bag, described environmental directives bag is corresponding with 3D commercial digital film, and is to utilize the documenting that meets DCI standard to form;
Described environment server is for receiving digital cinema server at the operational order that starts to send while showing described 3D commercial digital film, and according to described operational order execution environment instruction bag, make the projection of the environment action of described environmental control system generation and the 3D commercial digital film of described projection system projection keep synchronous;
Wherein, described environmental directives bag is to utilize XML document definition to describe, described XML file comprises top layer ActionReel element, described top layer ActionReel element comprises: the Id element of defined file global unique identification, the ContentTitleText element of definition environment instruction packet header, the AnnotationText element of the supplementary of definition environment instruction bag, the IssueData element of defined file date issued, the Language element of definition environment instruction language that bag uses, the ActionList element of all set that perform an action in the EditRate element of the code used frame per second of definition film and definition time line.
6. digital movie as claimed in claim 5 is realized system, it is characterized in that, it is characterized in that, described top layer ActionReel element also comprises the ReelNumber element of definition film label or the StartTime element of definition environment instruction bag Starting Executing Time.
7. digital movie as claimed in claim 5 is realized system, it is characterized in that, described environment server, according to described operational order execution environment instruction bag, makes the projection of the environment action of described environmental control system generation and the 3D commercial digital film of described projection system projection keep synchronously comprising:
Environment server sends to environmental control system by the instruction in environmental directives bag by DB9 serial port according to described operational order, and described environmental control system is carried out the action of corresponding environment according to the command content final controlling element that controls environment.
8. digital movie as claimed in claim 5 is realized system, it is characterized in that, the packet that is 10 bytes by overall length between described environment server and described environmental control system communicates, described packet comprise packet header, 5 bytes of 2 bytes command content, 1 byte CRC check and, the bag tail of 2 bytes, 5 bytes that wherein computer capacity of CRC is command content.
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| CN103019178B (en) * | 2012-11-19 | 2015-08-19 | 上海恒润数码影像科技有限公司 | The control method of 4D movie theatre tele-control system |
| CN104683781B (en) * | 2013-11-26 | 2016-08-17 | 深圳市快播科技有限公司 | Video playback processing method and processing device |
| KR102159816B1 (en) | 2014-01-13 | 2020-09-24 | 삼성전자 주식회사 | Apparatus and method for playing back tangible multimedia contents |
| CN104717533B (en) * | 2015-02-09 | 2016-03-09 | 深圳市环球数码科技有限公司 | The controling parameters method of automatic configuration of the private cinema system of DCI and system |
| CN104984555B (en) * | 2015-07-31 | 2017-09-29 | 盐城工学院 | The dynamic file collecting and editing system of 4D film videos |
| CN110075552B (en) * | 2019-04-30 | 2020-09-15 | 中影环球（北京）科技有限公司 | Management device and method of 4D action package |
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