CN108289226B - Method, server and system for showing digital movie video data - Google Patents
Method, server and system for showing digital movie video data Download PDFInfo
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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
- H04N21/232—Content retrieval operation locally within server, e.g. reading video streams from disk arrays
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- 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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
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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
- H04N21/25—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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
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- H—ELECTRICITY
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- 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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
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Abstract
The invention discloses a method, a server and a system for showing digital movie video data. The method comprises the following steps: the method comprises the steps that a cloud showing server obtains a showing request of digital movie video data to be shown, wherein the showing request carries a data identifier of the digital movie video data to be shown and an identity identifier of a target showing terminal; the cloud showing server searches a storage address of digital movie video data to be shown according to the data identification, searches whether a corresponding task thread exists according to the identity identification, and takes the corresponding task thread as a target task thread if the corresponding task thread exists; otherwise, selecting the task thread with the shortest expected execution time as a target task thread; and the cloud showing server transmits the digital movie video data to be shown to the target showing terminal through the target task thread. By adopting the technical scheme, the embodiment of the invention can simplify the control process of film projection and reduce the time consumed by controlling the film projection.
Description
Technical Field
The invention relates to the technical field of information processing, in particular to a method, a server and a system for showing digital movie video data.
Background
In recent years, with the development of information processing technology and the improvement of living standard of people, the movie industry has been developed to a certain extent.
At present, movies are played mainly by processing movie files through a local data processing terminal composed of a Media Block (MB) board, a Screen Management System (SMS) for controlling the movie theater to play, and a local storage module, decrypting and compressing the data of a Digital Cinema Package (DCP), transmitting the processed Digital Cinema video data to a Digital Cinema projector, and synchronously transmitting the processed Digital Cinema audio data to an audio processor. Correspondingly, the projector restores the video data input from the data processing terminal into images meeting the movie technical standard and projects the images to the screen, and the audio processor synchronously outputs sound through the sound box after correspondingly processing the audio data input from the data processing terminal, thereby realizing the showing of the digital movie.
However, the existing film showing method usually needs to perform tedious operations to show the film, and the control process is complex and time-consuming, which is not favorable for showing the film in time.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, a server, and a system for displaying digital movie video data, so as to solve the technical problems of the prior art that the movie display control process is complicated and time consuming.
In a first aspect, an embodiment of the present invention provides a method for displaying digital cinema video data, including:
the method comprises the steps that a cloud showing server obtains a showing request of digital movie video data to be shown, wherein the showing request carries a data identifier of the digital movie video data to be shown and an identity identifier of a target showing terminal;
the cloud showing server searches a storage address of the digital movie video data to be shown according to the data identification, searches whether a corresponding task thread exists according to the identity identification, and takes the corresponding task thread as a target task thread if the corresponding task thread exists; otherwise, selecting the task thread with the shortest expected execution time as a target task thread;
and the cloud showing server transmits the digital movie video data to be shown to the target showing terminal through the target task thread.
In a second aspect, an embodiment of the present invention provides a cloud projection server, where the cloud projection server includes:
one or more processors;
a memory for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for presenting digital cinema video data performed by the cloud presentation server side according to the embodiment of the present invention.
In a third aspect, an embodiment of the present invention provides a subordinate projection server, including:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a presentation method of digital cinema video data performed by a subordinate presentation server side according to an embodiment of the present invention.
In a fourth aspect, an embodiment of the present invention further provides a digital cinema video data projection system, including at least two projection terminals and at least one switch, further including: the cloud showing server and the subordinate showing server are provided by the embodiment of the invention.
In the technical scheme for showing the digital movie video data, the cloud showing server obtains a showing request carrying a data identifier of the digital movie video data to be shown and an identity identifier of a target showing terminal, searches a storage address of the digital movie video data to be shown according to the digital identifier, determines a task thread corresponding to the target showing terminal or a task thread with the shortest expected execution time as a target task thread according to the identity identifier, and transmits the digital movie video data to be shown to the target showing terminal through the target task thread. By adopting the technical scheme, the embodiment of the invention can simplify the control process of film showing, reduce the cinema management cost required by managing the film showing of each cinema and reduce the time consumed by controlling the film showing.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic flow chart of a method for displaying digital cinema video data according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for displaying digital cinema video data according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cloud projection server according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a subordinate showing server according to a fourth embodiment of the present invention;
fig. 5 is a block diagram of a digital cinema video data presentation system according to a fifth embodiment 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 understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.
Example one
The embodiment of the invention provides a method for displaying digital movie video data. The method is applicable to the situation that the projection terminal is used for managing the projection of the digital movie video data, in particular to the situation that a plurality of projection terminals in a plurality of cinemas project the digital movie video data, and can be executed by a digital movie video data projection system. Fig. 1 is a schematic flow chart of a method for displaying digital cinema video data according to an embodiment of the present invention, as shown in fig. 1, the method includes:
s110, the cloud showing server obtains a showing request of the digital movie video data to be shown, and the showing request carries the data identification of the digital movie video data to be shown and the identity identification of the target showing terminal.
In this embodiment, the digital cinema video data to be shown may be understood as digital cinema video data which needs to be shown and corresponds to the showing request acquired by the cloud showing server, and the data identifier of the digital cinema video data to be shown may be identifier information capable of representing the digital cinema video data to be shown, such as a name, a corresponding video number, and/or a stored address of the digital cinema video data to be shown; the target projection terminal may be understood as a projection terminal that projects digital cinema video data to be projected, and the identification of the target projection terminal may be identification information capable of characterizing the target projection terminal, such as a terminal name and/or an identification ID of the target projection terminal, and so on. The target projection terminal may be a terminal with a movie projection function, such as a computer, a mobile terminal, a projector, or other electronic devices. In view of the practicality in controlling each projection terminal, the target projection terminal is preferably a movie projector in a theater.
The showing request of the digital movie video data to be shown acquired by the cloud showing server may be a showing request generated by a showing person based on a movie video control interface in the cloud showing server or based on a movie video control interface in a control terminal connected to the cloud showing terminal, or may be a showing request automatically generated by the cloud showing terminal or the control terminal connected to the cloud showing terminal based on a film arrangement information list of the digital movie video data to be shown, which is not limited herein. Optionally, the showing request of the digital cinema video data to be shown may be a showing request sent by a showing person through a cinema video control interface or a showing request generated by a cloud showing server based on movie theatre, movie hall or film arrangement information of the digital cinema video data to be shown. At this time, the acquiring, by the cloud showing server, the showing request of the digital cinema video data to be shown may include: the method comprises the steps that a cloud showing server obtains a showing request of digital movie video data to be shown, which is sent by a showing person through a movie video control interface; or when the cloud showing server monitors that the current time reaches the showing time corresponding to the digital movie video data to be shown in the film arrangement information list, generating a showing request of the digital movie video data to be shown. For example, if a showing request of digital cinema video data to be shown is generated on the control terminal side, the cloud showing server may obtain the showing request based on a network (a wide area network and/or a local area network); if the showing request of the digital movie video data to be shown is generated on the cloud showing server side, the cloud showing server may directly call the showing request generated on the cloud showing server side.
As an example, if a showing request of the digital cinema video data to be shown is generated at the control terminal, before the cloud showing server obtains the showing request of the digital cinema video data to be shown, the method may further include: the control terminal displays a movie video control interface to a user and generates a showing request of digital movie video data to be shown based on the operation of the user on the movie video control interface; or the control terminal acquires a film arrangement information list of the video data to be shown, and generates a showing request containing the data identification of the digital movie video data to be shown and the identification of the target showing terminal of the digital movie video data to be shown when the current time reaches the corresponding showing time in the film arrangement information list.
S120, the cloud showing server searches a storage address of the digital movie video data to be shown according to the data identification, searches whether a corresponding task thread exists according to the identity identification, and takes the corresponding task thread as a target task thread if the corresponding task thread exists; otherwise, selecting the task thread with the shortest expected execution time as the target task thread.
The storage address of the digital cinema video data to be shown may be a storage address of the digital cinema video data to be shown locally in the cloud showing server or a storage address in another storage device or database. Optionally, if only one projection server (i.e., a cloud projection server) is configured in the digital cinema video data projection system to be projected, the digital cinema video data to be projected may be stored in the cloud projection server, and the storage address of the digital cinema video data to be projected may be a local storage address of the cloud projection server; if a plurality of projection servers such as a cloud projection server and other subordinate projection servers are configured in the digital cinema video data projection system to be projected, the storage address of the digital cinema video data to be projected may be the storage address of the cinema video data to be projected on the cloud projection server side and/or the other subordinate projection servers, which is not limited herein.
In this embodiment, when determining that digital cinema video data to be shown is sent to a target task thread of a target showing terminal, it may be determined whether the target showing terminal has a corresponding task thread first, if so, the corresponding task thread is determined as the target task thread, and if not, the task thread with the shortest expected execution time may be selected as the target task thread. When the digital movie video data showing system comprises a plurality of showing servers, the target task thread can be a task thread in a cloud showing server or other subordinate showing servers. The predicted execution duration may be a time length required by each task thread to execute a transmission task of the digital cinema video data to be shown, a predicted execution time length of a task to be executed that has been added in each task thread, or a time length required by each task thread to complete sending of the digital cinema video data to be shown after the digital cinema video data to be shown is added. Accordingly, the expected execution time of each task thread may be determined according to the task processing capability of each task thread and the complexity of the task (e.g., the transmission task of the digital cinema video data to be shown and/or other added tasks in the task thread).
Here, it should be noted that, in the embodiment, when determining the target task thread, it may also be possible to directly determine the task thread with the shortest expected execution time as the target task thread without considering whether the target projection terminal has a corresponding task thread, or after determining that the target projection terminal does not have a corresponding task thread, randomly select one task thread as the target task thread.
And S130, the cloud showing server transmits the digital movie video data to be shown to the target showing terminal through the target task thread.
In this embodiment, the cloud projection server may add a transmission task of the digital cinema video data to be projected in the target task thread to execute the task through the target task thread and transmit the digital cinema video data to be projected to the target projection terminal. The transmission task of the digital cinema video data to be shown may carry the identity information of the target showing terminal and the related information of the digital cinema video data to be shown, where the related information may be the data identifier, the storage address of the digital cinema video data to be shown, or the storage location information of the storage address of the digital cinema video data to be shown, and the like. Preferably, the related information may be a storage address of the digital cinema video data to be shown, so as to increase the speed of acquiring the digital cinema video data to be shown when the transmission task is executed by the target task thread subsequently, at this time, the corresponding transmission task of the digital cinema video data to be shown may carry the identity of the target showing terminal and the storage address of the digital cinema video data to be shown.
For example, when the digital cinema video data to be shown is sent to the target showing terminal through the target task thread, the digital cinema video data to be shown may be sent to the target showing terminal directly or through a switch connected with the cloud showing server. Here, the number of the switches connected to the cloud presentation server may be one or more, and if only one switch is connected to the cloud presentation server, the digital cinema video data to be presented may be transmitted to the target presentation terminal through the switch; if a plurality of switches connected with the cloud showing server exist, the digital movie video data to be shown can be sent to the target showing terminal through the main switch, the switch with the shortest data delay time, the switch with the highest priority or one switch selected randomly.
Furthermore, the target projection terminal can be internally or externally provided with an MB board card to improve the safety of the digital movie video data to be projected. At this time, the cloud projection server may first send the digital cinema video data to be projected to the MB board cards corresponding to the target projection terminals one by one through the switch (or directly); after receiving digital movie video data to be shown, the MB board card decompresses the received digital movie video data to be shown, decrypts the digital movie video data to be shown according to a preset first secret key, encrypts the decrypted digital movie video data to be shown according to an encryption mode appointed by a target showing terminal, and then sends the encrypted digital movie video data to be shown to the target showing terminal; and after receiving the digital movie video data to be shown, the target showing terminal can decrypt and show the digital movie video data to be shown by adopting a preset second secret key.
Preferably, the cloud projection server transmits the digital cinema video data to be projected to the target projection terminal through the target task thread, and may include: the cloud showing server acquires data delay time of each connected switch, and determines the switch with the shortest data delay time as a target switch; and the cloud showing server sends the digital film video data to be shown to the target switch through the target task thread, and transmits the digital film video data to be shown to the target showing terminal through the target switch.
For example, when transmitting digital cinema video data to be shown to a target showing terminal, a trigger signal may be first sent to each switch connected thereto and a first time at which each switch receives the trigger signal is acquired, and a data delay time of each switch is determined based on the first time and the sending time of the trigger signal, or a first signal is sent to each switch and a time at which a second signal returned by each switch based on the first signal is received is recorded, and a data delay time of each switch is determined based on the sending time of the first signal and the receiving time of the second signal, and a switch with the shortest data delay time is determined as a target switch; and then the digital film video data to be shown and the identity of the target terminal are sent to the target showing terminal according to the IP address of the target switch, and the digital film video data to be shown are sent to the target showing terminal through the target switch. Accordingly, after receiving the digital cinema video data to be shown and the identification of the target terminal, the target switch may determine the IP address of the target showing terminal based on the identification, and send the digital cinema video data to be shown to the target showing terminal based on the IP address. The switch can be a gigabit switch to improve the communication speed between the cloud projection server and the projection terminal.
The cloud showing server obtains a showing request carrying a data identifier of digital movie video data to be shown and an identity identifier of a target showing terminal, searches a storage address of the digital movie video data to be shown according to the digital identifier, determines a task thread corresponding to the target showing terminal or a task thread with the shortest expected execution time as a target task thread according to the identity identifier, and transmits the digital movie video data to be shown to the target showing terminal through the target task thread. By adopting the technical scheme, the embodiment of the invention can simplify the control process of film showing, reduce the cinema management cost required by managing the film showing of each cinema and reduce the time consumed by controlling the film showing.
On the basis of the foregoing embodiment, the method for displaying digital cinema video data may further include: and the cloud showing server receives a film arrangement information updating request sent by a showing person through a film video control interface, and updates at least one of the data identification of the digital film video data, a showing terminal corresponding to the digital film video data and the showing time of the digital film video data contained in the film arrangement list according to the film arrangement information updating request. In the scheme, the movie video control interface can be a control interface located in a control terminal connected with the cloud showing server, and the control terminal can generate an update request based on the operation of a user on the movie video control interface and send the generated update request to the cloud showing server through a switch connected with the update request. The update request may carry a data identifier of the digital cinema video data to be updated, an identity identifier of the projection terminal and/or the projection time, or may also carry a movie listing list to be updated. Correspondingly, the cloud showing server may replace the original data identifier, identity identifier and/or showing time of the digital movie video data with the data identifier, identity identifier and/or showing time carried in the update request, or may directly replace the original film arrangement list in the cloud showing server with the film arrangement list carried in the update request.
Example two
Fig. 2 is a flowchart illustrating a method for displaying digital cinema video data according to a second embodiment of the present invention. In this embodiment, the optimization is performed on the basis of the above embodiment, and in this embodiment, the "the cloud showing server transmits the digital cinema video data to be shown to the target showing terminal through the target task thread" is optimized as follows: if the target task thread is a task thread in the cloud showing server, the cloud showing server adds a transmission task carrying a local storage address of the digital movie video data to be shown in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal; and if the target task thread is a task thread in a subordinate showing server, the cloud showing server controls the subordinate showing server to add a transmission task carrying a storage address of the digital movie video data to be shown at the subordinate showing server end in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal.
Further, after the cloud showing server transmits the digital cinema video data to be shown to the target showing terminal through the target task thread, the method further includes: the cloud showing server obtains a control request sent by a showing person through a film video control interface, and controls the playing state of the digital film video data to be shown at the target showing terminal according to the control request.
Accordingly, as shown in fig. 2, the method for providing digital cinema video data according to the present embodiment includes:
s210, the cloud showing server obtains a showing request of the digital movie video data to be shown, wherein the showing request carries the data identification of the digital movie video data to be shown and the identity identification of the target showing terminal.
S220, the cloud showing server searches a storage address of the digital movie video data to be shown according to the data identification, searches whether a corresponding task thread exists according to the identity identification, and takes the corresponding task thread as a target task thread if the corresponding task thread exists; otherwise, selecting the task thread with the shortest expected execution time as the target task thread, and executing S230 or S240.
And S230, if the target task thread is a task thread in the cloud showing server, the cloud showing server adds a transmission task carrying a local storage address of the digital movie video data to be shown in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal, and S250 is executed.
S240, if the target task thread is a task thread in a subordinate showing server, the cloud showing server controls the subordinate showing server to add a transmission task carrying a storage address of the digital movie video data to be shown at the subordinate showing server end in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal.
Here, the showing server to which the target task thread belongs may be determined according to the identification information of the target task thread; or respectively acquiring first task thread information of a task thread contained in the cloud showing server and second task thread information of a task thread contained in the subordinate showing server, and determining a showing server (the cloud showing server or the subordinate showing server) corresponding to the task thread information (the first task thread information or the second task thread information) containing the relevant information of the target task thread as a showing server to which the target task thread belongs; the method may further include acquiring only first task thread information of a task thread included in the cloud showing server (or second task thread information of a task thread included in the subordinate showing server), and determining whether the first task thread information (or the second task thread information) includes related information of the target task thread, if so, determining that the target task thread is located in the cloud showing server (or the subordinate showing server), and if not, determining that the target task thread is located in the subordinate showing server (or the cloud showing server).
In this embodiment, if the target task thread is located in the cloud projection server, the cloud projection server may directly add a transmission task of digital cinema video data to be projected in the target task thread; if the target task thread is located in the subordinate showing server, the cloud showing server can send a task adding instruction to the subordinate showing server, and correspondingly, after the subordinate showing server receives the task adding instruction, the target task thread can be determined based on the identification information of the target task thread in the task adding instruction, and a transmission task of digital movie video data to be shown is added in the target task thread.
For example, when the cloud showing server or the subordinate showing server adds the transmission task of the digital cinema video data to be shown in the target task thread, if the target task thread is an idle task thread, that is, there is no task waiting for execution or being executed in the target task thread, the showing task of the digital cinema video data to be shown can be directly added and executed in the target task thread; if the target task thread is a non-idle task thread, the transmission task of the digital cinema video data to be shown can be added at the end of the target task thread task queue or the transmission task of the digital cinema video data to be shown can be added to the position, corresponding to the priority, in the task queue based on the priorities of different types of tasks. Correspondingly, when the cloud showing server executes the transmission task through the target task thread, the cloud showing server can acquire the digital movie video data to be shown according to the storage address of the transmission task and send the acquired digital movie video data to be shown to the target showing terminal.
And S250, the cloud showing server acquires a control request sent by a showing person through a film video control interface, and controls the playing state of the digital film video data to be shown at the target showing terminal according to the control request.
The playing state of the digital cinema video data to be shown can be starting playing, pausing playing, ending playing and the like.
In this embodiment, the control terminal may generate a control request based on an operation of a user on the movie video control interface, and send the control request to the cloud showing server; after receiving the control request, the cloud projection server may generate a corresponding control instruction and send the control instruction to the projection terminal; after receiving the control instruction sent by the cloud projection server, the projection terminal may perform an operation corresponding to the control instruction based on the control instruction, such as starting playing, pausing playing, or ending playing digital movie video data to be projected. For example, after the showing terminal performs the operation corresponding to the control instruction, the showing terminal may further generate current playing state information of the digital cinema video data to be shown, and forward the current playing state information to the control terminal through the cloud showing server, so that a showing person can know the current playing state of the digital cinema video data to be shown in time.
Preferably, the method for displaying digital cinema video data provided by this embodiment may further include: the subordinate showing server sends first heartbeat information to the cloud showing server according to a first set period; and if the cloud showing server does not receive the first heartbeat information within a first preset time, the local first standby task thread is adopted to replace the target task thread in the subordinate showing server to transmit the digital movie video data to be shown to the target showing terminal.
Preferably, the method for displaying digital cinema video data provided by this embodiment may further include: the cloud showing server sends second heartbeat information to the subordinate showing server according to a second set period; and if the subordinate showing server does not receive the second heartbeat information within second preset time, replacing the target task thread in the cloud showing server with a local second standby task thread to transmit the digital movie video data to be shown to the target showing terminal.
In this embodiment, the cloud showing server and/or the subordinate showing server may respectively determine whether the other party fails based on heartbeat information sent by the other party, so that when the other party fails, a local standby task thread is used to replace the task thread of the other party, thereby ensuring that each task in the task thread can be executed smoothly. Correspondingly, the subordinate showing server and/or the cloud showing server can respectively send heartbeat information to the opposite side according to the corresponding set period, so that the opposite side can replace each task in the self-execution task thread when the opposite side fails. The second set period of the cloud showing server sending the heartbeat information and the first set period of the subordinate showing server sending the heartbeat information can be the same or different, and the second preset time of the subordinate showing server for judging whether the opposite side is in fault and the first preset time of the cloud showing server for judging whether the opposite side is in fault can be the same or different.
For example, when the cloud showing server and/or the subordinate showing server replaces the target task thread of the other side with the standby task thread of the current side, the standby task thread of the current side for replacing the target task thread of the other side may be determined according to a set sequence, a set correspondence relationship, or randomly, then the original task of the target task thread is added to the standby task thread based on the task information of the target task thread stored in the current side, and the added task is executed by the standby task thread. Here, if there is a transmission task of the digital cinema video data to be shown in the target task thread, the storage address of the digital cinema video data to be shown on the local side may be determined based on the data identification of the locally stored digital cinema video data to be shown or the correspondence between the storage position of the digital cinema video data to be shown on the opposite side and the storage position of the local side, and the transmission task of the digital cinema video data to be shown may be added in the standby task thread based on the storage address. The task information of the task thread on the opposite side can be obtained by monitoring through a monitoring program on the side, and can also be obtained by receiving the task information sent by the opposite side.
In order to ensure that when the master showing server fails, the slave showing server may locally obtain data or information required for executing each task in the target task thread, optionally, the showing method of digital cinema video data provided in this embodiment may further include: the cloud showing server synchronizes local data to the subordinate showing server, and the subordinate showing server receives and stores the local data, wherein the local data comprises task information in the target task thread and locally stored digital movie video data. For example, the cloud showing server may synchronize the local data to the subordinate showing server according to a set period, or synchronize the local data to the subordinate showing server after monitoring that the local data changes. Accordingly, the subordinate projection server may store the received data in a corresponding storage location in the subordinate projection server after receiving the local data synchronized by the cloud projection server.
The cloud showing server and the subordinate showing server are respectively provided with 4 main task threads and 4 standby task threads, the 4 main task threads in the cloud showing server respectively correspond to the showing terminals 1 to 4, and the 4 main task threads in the subordinate showing server respectively correspond to the showing terminals 5 to 8 for example:
if the cloud showing server and the subordinate showing server are not in fault, the cloud showing server can directly control 4 main task threads on the side to communicate with the showing terminals 1-4, control 4 main task threads on the opposite side to communicate with the showing terminals 5-8 through the subordinate showing server, monitor 4 main task threads on the side through a main monitoring program on the side, monitor 4 main task threads on the opposite side through a subordinate monitoring program on the opposite side, and exchange parameters on the respective showing server according to a set period by the main scheduling degree and the subordinate scheduling program;
if the slave showing server is in fault, the cloud showing server can start 4 standby task threads on the side to replace 4 main task threads in the slave showing server, directly control the 4 main task threads on the side to communicate with the showing terminals 1-4 and control the 4 standby task threads on the side to communicate with the showing terminals 5-8, and monitor the 4 main task threads and the 4 standby task threads on the side through the main monitoring program on the side until the slave showing server is recovered to be normal;
if the cloud showing server fails, the slave showing server can start 4 standby task threads on the side to replace 4 main task threads in the cloud showing server, directly control the 4 main task threads on the side to communicate with the showing terminals 5-8 and control the 4 standby task threads on the side to communicate with the showing terminals 1-4, and monitor the 4 main task threads and the 4 standby task threads on the side through the slave monitoring program on the side until the cloud showing server returns to normal.
In the method for showing digital movie video data provided by the second embodiment of the present invention, a cloud showing server obtains a showing request carrying a data identifier of digital movie video data to be shown and an identity identifier of a target showing terminal, searches a storage address of the digital movie video data to be shown according to the digital identifier, and determines a task thread corresponding to the target showing terminal or a task thread with a shortest expected execution time as a target task thread according to the identity identifier, and if the target task thread is located in the cloud showing server, the cloud showing server adds a transmission task of the digital movie video data to be shown in the target task thread; and if the target task thread is positioned in the slave showing server, the cloud showing server controls the slave showing server to add a transmission task of the digital movie video data to be shown in the target task thread. By adopting the technical scheme, the control process of film showing can be simplified, the cinema management cost required for managing the film showing of each cinema can be reduced, and the time consumed for controlling the film showing can be reduced; the stability of the digital movie video data showing process can be improved, and the use experience of users is improved.
On the basis of the foregoing embodiment, the method for displaying digital cinema video data provided by this embodiment may further include: the cloud showing server stores digital movie video data corresponding to a movie import request sent by a showing person through a movie video control interface; and/or the cloud showing server stores the digital movie video data imported by the showing personnel through the mobile storage device. In this embodiment, the user may manage the digital cinema video data stored in the cloud projection server, for example, add the digital cinema video data to the cloud projection server or delete the original digital cinema video data in the cloud projection server. When the digital movie video data is added to the cloud showing server, a user can add the digital movie video data to the cloud showing server through the control terminal so as to improve the convenience of importing the digital movie video data; the mobile storage device storing the digital movie video data can also be directly connected with the cloud showing video data, and the digital movie video data is added into the cloud showing server through the mobile storage device, so that the security of the digital movie video data in the process of being imported into the cloud showing server is improved.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a cloud projection server according to a third embodiment of the present invention, as shown in fig. 3, the cloud projection server includes a processor 30 and a memory 31, the number of the processors 30 in the cloud projection server may be one or more, and one processor 30 is taken as an example in fig. 3; the processor 30 and the memory 31 in the cloud projection server may be connected by a bus or other means, and fig. 3 illustrates the connection by a bus as an example.
The memory 31 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as program instructions corresponding to the method for displaying digital cinema video data in the embodiment of the present invention. The processor 30 executes various functional applications and data processing of the cloud presentation server by running software programs, instructions, and modules stored in the memory 31, that is, implements the above-described presentation method of digital cinema video data.
The memory 31 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 31 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 31 may further include memory located remotely from processor 30, which may be connected to a cloud presentation server via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Example four
Fig. 4 is a schematic structural diagram of a cloud projection server according to a fourth embodiment of the present invention, as shown in fig. 4, the cloud projection server includes a processor 40 and a memory 41, the number of the processors 40 in the cloud projection server may be one or more, and one processor 40 is taken as an example in fig. 4; the processor 40 and the memory 41 in the cloud projection server may be connected by a bus or other means, and the bus connection is exemplified in fig. 4.
The memory 41 is a computer-readable storage medium that can be used to store software programs, computer-executable programs, and modules, such as program instructions corresponding to the method for displaying digital cinema video data according to the embodiment of the present invention. The processor 40 executes various functional applications and data processing of the cloud presentation server by running software programs, instructions, and modules stored in the memory 41, that is, implements the above-described presentation method of digital cinema video data.
The memory 41 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 41 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 41 may further include memory located remotely from processor 40, which may be connected to a cloud presentation server via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
EXAMPLE five
The fifth embodiment of the present invention provides a digital cinema video data presentation system. The system can realize the projection and control of the digital film video data by executing the projection method of the digital film video data. Fig. 5 is a schematic structural diagram of a digital cinema video data projection system according to a fifth embodiment of the present invention, as shown in fig. 5, the system includes at least two projection terminals 50 and at least one switch 51 (in the figure, an example includes a switch), and further includes: the cloud projection server 52 according to the embodiment of the present invention.
Optionally, the digital cinema video data provided by this embodiment may further include: the system comprises a subordinate showing server 53 and a control terminal 54, wherein the control terminal is used for showing a movie video control interface to a user.
Optionally, the projection terminal may be internally or externally provided with an MB board 55 (in the figure, an external MB board is taken as an example).
The digital cinema video data showing system provided by the fifth embodiment of the invention can execute the showing method of the digital cinema video data provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the showing method of the digital cinema video data. For details of the technique not described in detail in this embodiment, reference may be made to a method for displaying digital cinema video data provided in any embodiment of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (13)
1. A method for presenting digital cinema video data, comprising:
the method comprises the steps that a cloud showing server obtains a showing request of digital movie video data to be shown, wherein the showing request carries a data identifier of the digital movie video data to be shown and an identity identifier of a target showing terminal, the showing request is generated by a control terminal or the cloud showing server, and the target showing terminal is a movie projector in a cinema;
the cloud showing server searches a storage address of the digital movie video data to be shown according to the data identification, searches whether a corresponding task thread exists according to the identity identification, and takes the corresponding task thread as a target task thread if the corresponding task thread exists; otherwise, selecting the task thread with the shortest expected execution time as a target task thread;
the cloud showing server transmits the digital movie video data to be shown to the target showing terminal through the target task thread;
the cloud showing server transmits the digital movie video data to be shown to the target showing terminal through the target task thread, and the method comprises the following steps:
if the target task thread is a task thread in the cloud showing server, the cloud showing server adds a transmission task carrying a local storage address of the digital movie video data to be shown in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal;
and if the target task thread is a task thread in a subordinate showing server, the cloud showing server controls the subordinate showing server to add a transmission task carrying a storage address of the digital movie video data to be shown at the subordinate showing server end in the target task thread so as to transmit the digital movie video data to be shown to the target showing terminal.
2. The method of claim 1, further comprising:
the subordinate showing server sends first heartbeat information to the cloud showing server according to a first set period;
and if the cloud showing server does not receive the first heartbeat information within a first preset time, the local first standby task thread is adopted to replace the target task thread in the subordinate showing server to transmit the digital movie video data to be shown to the target showing terminal.
3. The method of claim 1, further comprising:
the cloud showing server sends second heartbeat information to the subordinate showing server according to a second set period;
and if the subordinate showing server does not receive the second heartbeat information within second preset time, replacing the target task thread in the cloud showing server with a local second standby task thread to transmit the digital movie video data to be shown to the target showing terminal.
4. The method of any one of claims 1-3, further comprising:
the cloud showing server synchronizes local data to the subordinate showing server, and the subordinate showing server receives and stores the local data, wherein the local data comprises task information in the target task thread and locally stored digital movie video data.
5. The method of claim 4, further comprising:
the cloud showing server stores digital movie video data corresponding to a movie import request sent by a showing person through a movie video control interface; and/or the presence of a gas in the gas,
the cloud showing server stores digital movie video data imported by showing personnel through the mobile storage device.
6. The method according to claim 1, wherein the cloud projection server transmits the digital cinema video data to be projected to the target projection terminal through the target task thread, and the method comprises the following steps:
the cloud showing server acquires data delay time of each connected switch, and determines the switch with the shortest data delay time as a target switch;
and the cloud showing server sends the digital film video data to be shown to the target switch through the target task thread, and transmits the digital film video data to be shown to the target showing terminal through the target switch.
7. The method of claim 1, wherein the cloud showing server obtaining the showing request of the digital cinema video data to be shown comprises:
the method comprises the steps that a cloud showing server obtains a showing request of digital movie video data to be shown, which is sent by a showing person through a movie video control interface; or,
and when monitoring that the current time reaches the corresponding showing time of the digital movie video data to be shown in the film arrangement information list, the cloud showing server generates a showing request of the digital movie video data to be shown.
8. The method of claim 7, further comprising:
the cloud showing server receives a film arrangement information updating request sent by a showing person through a film video control interface, and updates at least one of a data identifier of digital film video data, a showing terminal corresponding to the digital film video data and showing time of the digital film video data contained in a film arrangement list according to the film arrangement information updating request.
9. The method according to claim 1, wherein after the cloud projection server transmits the digital cinema video data to be projected to the target projection terminal through the target task thread, the method further comprises:
the cloud showing server obtains a control request sent by a showing person through a film video control interface, and controls the playing state of the digital film video data to be shown at the target showing terminal according to the control request.
10. A cloud projection server, characterized in that the cloud projection server comprises:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a method of presenting digital cinema video data according to any one of claims 1-9.
11. A subordinate projection server, characterized in that the subordinate projection server comprises:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a method of presenting digital cinema video data according to any one of claims 1-4.
12. A digital cinema video data presentation system comprising at least two presentation terminals and at least one switch, further comprising: the cloud projection server of claim 10.
13. The system of claim 12, further comprising: the slave presentation server and control terminal of claim 11, wherein the control terminal is configured to present a movie video control interface to a user.
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| CN102882927B (en) * | 2012-08-29 | 2016-12-21 | 华南理工大学 | A kind of cloud storage data syn-chronization framework and its implementation |
| CN104104971B (en) * | 2013-04-02 | 2018-12-07 | 腾讯科技（深圳）有限公司 | A kind of video file processing method and system |
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