CN112468740A - Intelligent virtual synthesis manufacturing system, method and storage medium for 8K ultra-high definition programs - Google Patents

Intelligent virtual synthesis manufacturing system, method and storage medium for 8K ultra-high definition programs Download PDF

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CN112468740A
CN112468740A CN202011256206.2A CN202011256206A CN112468740A CN 112468740 A CN112468740 A CN 112468740A CN 202011256206 A CN202011256206 A CN 202011256206A CN 112468740 A CN112468740 A CN 112468740A
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switching information
cameras
switching
video material
preset
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CN112468740B (en
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高婷婷
戴霖
陈李
张海宁
高敬峰
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China Digital Video Beijing Ltd
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China Digital Video Beijing Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265Mixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268Signal distribution or switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/015High-definition television systems

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The application provides an 8K ultra-high definition program intelligent virtual synthesis manufacturing system, a method and a storage medium, aiming at solving the problem that a switching command sent by a switching station of a high definition recording system cannot realize the control and switching of an 8K camera, wherein the system comprises: the multi-channel recording module is used for controlling a plurality of 8K cameras to synchronously execute recording tasks; the broadcasting-directing switching platform module is used for monitoring the recording of the 8K camera and sending a switching information command corresponding to the operation of switching to the specified camera to the information conversion module; the information conversion module is used for converting the switching information command into a preset switching information command which can be recognized by the system, generating a switching information list in real time and storing the switching information list as an xml file; and the synthesis module is used for acquiring the specified segment video material acquired by the specified camera corresponding to the preset switching information command from the recorded 8K signal video material according to the switching information list, and generating an 8K version quasi-PGM video material file from the specified segment video material according to the time sequence.

Description

Intelligent virtual synthesis manufacturing system, method and storage medium for 8K ultra-high definition programs
Technical Field
The invention relates to the technical field of broadcast television, in particular to an intelligent virtual synthesis manufacturing system, method and storage medium for 8K ultra-high definition programs.
Background
With the high-speed development of the 8K broadcast television technology, the demand of users on high-quality content is driven, with the progress of computer big data processing, high-speed storage and high-efficiency encoding and decoding technology, the development of 4K ultra-high definition and high-resolution production and broadcasting technology and related product lines in the film and television industry is promoted, and 8K ultra-high definition images have higher resolution, wider dynamic range and expanded color gamut, bring clearer, more natural and richer visual perception to audiences, and greatly improve the image quality of dynamic images.
However, the director switching station of the conventional high-definition system as the core system of the conventional studio is not compatible with the 8K signal output by the 8K camera, so that the director switching station of the conventional high-definition system cannot control and switch the 8K signal video material recorded by the 8K camera. In order to realize the switching task of the director switching station and record the 8K signal program, various devices compatible with the 8K signal program recording are purchased and the existing studio system is redesigned at the present stage, so that the purpose of manufacturing the 8K file and the PGM file at the later stage is achieved. Therefore, the problems of complex design, high purchase cost, difficult installation and debugging, troublesome equipment maintenance and the like of the existing studio system can be brought.
Disclosure of Invention
The embodiment of the application provides an intelligent virtual synthesis manufacturing system, method and storage medium for 8K ultra-high definition programs, and aims to solve the problem that a switching instruction sent by a switching station of a high-definition recording system cannot control and switch an 8K camera.
A first aspect of an embodiment of the present application provides an intelligent virtual synthesis and production system for an 8K ultra high definition program, where the system includes:
the multi-channel recording module is used for controlling a plurality of 8K cameras to synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
the broadcasting guidance switching platform module is used for monitoring recording tasks of the 8K cameras in real time according to high-definition signals output by the 8K cameras and sending switching information commands corresponding to the operation to the information conversion module according to the operation of switching to the specified camera by a user;
the information conversion module is used for converting the received switching information command into a preset switching information command which can be identified by the system in real time, generating a switching information list in real time according to the preset switching information command, and storing the switching information list as an xml file;
and the synthesis module is used for acquiring specified segments of the 8K signal video materials collected by the specified 8K cameras corresponding to the preset switching information commands in the switching information list according to the switching information list stored as the xml file in all the 8K signal video materials recorded by the 8K cameras, splicing the specified segments of all the acquired 8K signal video materials according to time sequence to form a complete 8K signal video material, and generating a complete 8K version quasi-PGM video material file.
Optionally, the system further comprises: the 8K signal video materials recorded by the 8K cameras are sealed in real time and stored in real time, and the method specifically comprises the following steps:
in the process of synchronously executing the recording task by the plurality of 8K cameras, automatically sealing 8K signal video materials with respective recording durations reaching preset time intervals by the plurality of 8K cameras;
and storing the 8K signal video material of the seal to a local storage in real time, and storing the video material of the seal to an external storage in real time.
Optionally, the sealing and storing the 8K signal video materials recorded by the multiple 8K cameras in real time further includes:
the information conversion module is used for converting the switching information command received in a preset time interval into a preset switching information command which can be recognized by the system in real time, generating a switching information list in the preset time interval in real time according to the preset switching information command in the preset time interval, and storing the switching information list in the preset time interval as an xml file;
in all sealed 8K signal video materials recorded by a plurality of 8K cameras within the preset time interval, according to a switching information list stored as an xml file within the preset time interval, acquiring specified segments of the sealed 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information commands in the switching information list within the preset time interval, splicing all the acquired specified segments of the sealed 8K signal video materials within the preset time interval into a complete 8K signal video material according to time sequence, generating an 8K version quasi PGM video material file within the preset time interval, storing the 8K version quasi PGM video material file within the preset time interval to a local storage in real time, and storing the 8K version quasi PGM video material file within the preset time interval to an external storage in real time, wherein the 8K version quasi PGM video material files within the preset time interval are spliced according to time sequence to form the sealed 8K signal video material file within the preset time interval The complete 8K version is quasi PGM video material file.
Optionally, the controlling the plurality of 8K cameras to synchronously execute the recording task includes:
the 8K cameras are in one-to-one correspondence with the multi-channel recording modules, one multi-channel recording module serves as a main module, the rest multi-channel recording modules serve as auxiliary modules, and when the main module controls the corresponding 8K cameras to execute recording tasks, the rest auxiliary modules control the corresponding 8K cameras to execute synchronous recording tasks.
Optionally, the broadcast guiding switching console module and the information conversion module are connected by a remote control line of a serial communication port, the 8K camera is connected with the broadcast guiding switching console module, and the 8K camera is connected with the multi-channel recording module.
A second aspect of the embodiments of the present application provides an intelligent virtual synthesis and production method for an 8K ultra high definition program, where the method includes:
the method comprises the following steps that a plurality of 8K cameras synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
the user monitors the recording tasks of the 8K cameras in real time according to the high-definition signals fed back by the 8K cameras, and sends a switching information command for switching to a designated camera to the intelligent virtual synthesis manufacturing system for the 8K ultrahigh-definition programs in the first aspect through the broadcast guiding switching platform;
the system converts the received switching information command into a preset switching information command which can be recognized by the system in real time, generates a switching information list in real time according to the preset switching information command, and stores the switching information list as an xml file;
in all 8K signal video materials recorded by the 8K cameras, according to the switching information list stored as the xml file, acquiring specified segments of the 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information command in the switching information list, and forming a complete 8K signal video material by the specified segments of all the acquired 8K signal video materials according to time sequence to generate a complete 8K version quasi-PGM video material file.
A third aspect of embodiments of the present application provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, performs the steps in the method according to the second aspect of the present application.
The application provides an intelligent virtual synthesis manufacturing system, a method and a storage medium for 8K ultra-high definition programs, wherein the system comprises: the multi-channel recording module is used for controlling a plurality of 8K cameras to synchronously execute recording tasks; the broadcasting-directing switching platform module is used for monitoring the recording of the 8K camera and sending a switching information command corresponding to the operation of switching to the specified camera to the information conversion module; the information conversion module is used for converting the switching information command into a preset switching information command which can be recognized by the system, generating a switching information list in real time and storing the switching information list as an xml file; and the synthesis module is used for acquiring the specified segment video material acquired by the specified camera corresponding to the preset switching information command from the recorded 8K signal video material according to the switching information list, and generating an 8K version quasi-PGM video material file from the specified segment video material according to the time sequence. By introducing the 8K ultra-high-definition program intelligent virtual synthesis manufacturing system, the method and the storage medium, the problem that the control and the switching of the 8K camera cannot be realized by a switching command sent by a switching station of a high-definition recording system is solved, the switching task of the 8K camera can be realized by continuously using the high-definition switching station in the traditional high-definition recording system of the existing studio, the recording of the 8K signal program is realized, and the problems of complex design, high purchase cost, difficulty in installation and debugging, trouble in equipment maintenance and the like caused by the improvement of the existing studio system to realize the recording of the 8K signal program are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic diagram of an intelligent virtual synthesis production system for 8K ultra high definition programs according to an embodiment of the present application;
fig. 2 is a schematic diagram of generating a complete 8K version of a pseudo PGM video material file according to an embodiment of the present application;
fig. 3 is a schematic diagram of generating a copy of a 8K version of a quasi-PGM video material file within a preset time interval according to an embodiment of the present application;
fig. 4 is a schematic flow chart of an intelligent virtual synthesis production method for an 8K ultra-high definition program according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Before explaining the intelligent virtual synthesis and production system for the 8K ultra high definition programs provided by the present application, first, a brief explanation is given below on recording of the 8K ultra high definition programs in the related art.
At present, an 8K camera is adopted for recording an 8K ultra-high-definition program in the technical field of broadcast television, and a switching station system in the conventional studio system cannot control and switch an 8K signal video material recorded by the 8K camera, so that the conventional studio system cannot record an 8K signal program. The existing solution is to purchase a compatible 8K signal console and related equipment, and design and modify the existing studio system, which brings many problems of complex design, high purchase cost, difficult installation and debugging, troublesome equipment maintenance, and the like.
Therefore, in order to solve the above problems, the present application provides an intelligent virtual synthesis and production system for 8K ultra high definition programs, which converts a switching information command sent by a switching station system in an existing traditional studio system into a preset switching information command recognizable by the system, so as to realize control and switching of 8K signal video materials while continuing to use the switching station system in the existing traditional studio system, thereby realizing recording of 8K programs.
Fig. 1 is a schematic diagram of an intelligent virtual synthesis and production system for an 8K ultra high definition program according to an embodiment of the present application, where the intelligent virtual synthesis and production system 100 for an 8K ultra high definition program provided by the present application includes:
the multi-channel recording module 101 is used for controlling a plurality of 8K cameras to synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
the broadcasting guidance switching platform module 102 is configured to monitor recording tasks of the multiple 8K cameras in real time according to the high-definition signals output by the 8K cameras, and send a switching information command corresponding to an operation to the information conversion module according to the operation of switching to a specified camera by a user;
the information conversion module 103 is configured to convert the received switching information command into a preset switching information command recognizable by the system in real time, generate a switching information list in real time according to the preset switching information command, and store the switching information list as an xml file;
and the synthesis module 104 is configured to acquire specified segments of the 8K signal video material acquired by the specified 8K camera corresponding to the preset switching information command in the switching information list according to the switching information list stored as the xml file in all the 8K signal video materials recorded by the multiple 8K cameras, and splice the specified segments of all the acquired 8K signal video materials in time sequence to form a complete 8K signal video material, so as to generate a complete 8K version quasi-PGM video material file.
In the embodiment of the present application, the multi-channel recording module 101 is configured to control all 8K cameras to synchronously perform a recording task. The synchronous execution of the recording task refers to: when all the 8K cameras connected with the whole system record video materials, a recording task is started at the same time, and the recording task is ended at the same time.
The control of the plurality of 8K cameras to synchronously execute the recording task comprises the following steps: the 8K cameras are in one-to-one correspondence with the multi-channel recording modules, one multi-channel recording module serves as a main module, the rest multi-channel recording modules serve as auxiliary modules, and when the main module controls the corresponding 8K cameras to execute recording tasks, the rest auxiliary modules control the corresponding 8K cameras to execute synchronous recording tasks.
Illustratively, each 8K camera is connected to one multichannel recording module, a plurality of 8K cameras are in one-to-one correspondence with a plurality of multichannel recording modules, one multichannel recording module serves as a main module, and the rest of the multichannel recording modules serve as auxiliary modules, the main module can control the 8K cameras correspondingly connected to the main module to perform recording tasks, and meanwhile, the main module can control the rest of the auxiliary modules to control the 8K cameras corresponding to the rest of the auxiliary modules and the 8K cameras correspondingly connected to the main module to perform recording tasks synchronously.
Meanwhile, all 8K cameras can output 8K signals and high-definition signals at the same time, the output 8K signals are used for being stored as 8K signal video materials, and the broadcasting-directing switching platform module cannot receive the 8K signals, so that the broadcasting-directing switching platform module receives the high-definition signals output by the 8K cameras and is used for monitoring current recording tasks of all 8K cameras by a user in real time.
In this embodiment, in the whole program recording process of the multi-channel recording module 101, all the 8K cameras are in the recording state until the program recording is finished. During the entire program recording process, the complete 8K signal video material recorded by each 8K camera will be saved for post-production.
In this embodiment, the director switching station module 102 is configured to provide convenience for instant editing during recording of a television program, and a user may instantly switch recorded video materials of all cameras during recording of the program to obtain video materials recorded by specified cameras starting at different times and ending at different times, and connect the obtained video materials in sequence through various transition techniques. In the program recording process, high-definition signals output by the 8K cameras are transmitted to the broadcast guiding switching station module, and the broadcast guiding switching station can monitor the recording process of all the 8K cameras in real time. The user can switch to the designated 8K camera according to the operation of clicking a button such as CAM1-CAMn, wherein CAM1-CAMn refers to that: the CAM1-CAMn corresponds to the No. 1 8K camera 1 to the No. n 8K camera, and by clicking a specified button, the specified button is switched to the specified 8K camera corresponding to the button, and the 8K signal video material collected by the specified 8K camera from the moment is acquired.
The director switching platform module continues to use a module in a high-definition system of the existing traditional studio, and a user switches to a designated 8K camera through the module sent by the director switching platform, so that a switching information command of an 8K signal video material acquired by the designated 8K camera from the moment can not be recognized by the 8K camera, and therefore, the switching information command of the user for switching to the designated 8K camera is sent to the information conversion module 103 for being converted into a preset switching information command recognizable by the system. The switching information command comprises superimposed picture information and a switching time code accurate to a frame. The exact frame switching timecode refers to: switching to a designated 8K camera from what moment, and acquiring an 8K signal video material of the designated 8K camera from the moment to the final switching to other designated 8K cameras; the overlapped drawing refers to: the process that the images recorded by the two 8K cameras are overlapped or mixed mutually usually uses a push rod to complete the operation, and the two pictures can be switched more harmoniously through the picture folding operation, so that more artistic effects are achieved.
In this embodiment, when receiving a switching information command sent by a director switching station module, the information conversion module 103 converts the switching information command into a preset switching information command that can be recognized by a system in real time, during the whole program recording process, different 8K cameras are switched to at different times, 8K signal video materials recorded by the specified 8K cameras starting at different times and ending at different times are obtained, and different switching information commands correspond to the 8K signal video materials, and all the switching information commands generate a switching information list in real time, and the switching information list is stored as an xml file.
In this embodiment, the broadcast guiding switching console module and the information conversion module are connected by a remote control line of a serial communication port, the 8K camera is connected with the broadcast guiding switching console module, and the 8K camera is connected with the multichannel recording module. Illustratively, the director switching platform module is connected with the information conversion module through a remote control line of a serial communication port, the director switching platform module sends a switching information command to the information switching module, and the information switching module converts the received switching information command into a preset switching information command which can be recognized by a system; the 8K cameras are connected with the broadcast guiding switching platform module, the 8K cameras send high-definition signals to the broadcast guiding switching platform module, and the broadcast guiding switching platform monitors the recording states of all the 8K cameras in real time according to the received high-definition signals sent by the 8K cameras; the 8K camera is connected with the multichannel recording module, the 8K camera sends 8K signals to the multichannel recording module, and the multichannel recording module stores the received 8K signals output by the 8K camera as 8K signal video materials.
In this embodiment of the present application, the synthesizing module 104 is configured to generate and store an information switching list as an xml file in real time in the whole program recording process according to a user, and generate a complete 8K version quasi-PGM video material file according to 8K signal video materials collected by all 8K cameras in the whole program recording process.
The switching information list comprises all switching information commands of a user in the whole program recording process, the switching information commands comprise switching time codes accurate to frames, the 8K signal video materials collected by a certain specified 8K camera can be obtained from what moment and from what moment, the 8K signal video materials collected by different specified 8K cameras in a plurality of different time periods can be obtained according to all the switching information commands in the switching information list, the 8K signal video materials collected by different specified 8K cameras in the plurality of different time periods are spliced into a complete 8K signal video material according to the time sequence according to all the switching information commands in the switching information list, and a complete 8K version quasi-PGM video material file is generated, and the method is used for post-production. The method comprises the steps of recording complete 8K signal video materials recorded by all 8K cameras in the whole program recording process, splicing the obtained 8K signal video materials collected by different appointed 8K cameras in different time periods into a complete 8K signal video material according to time sequences according to all switching information commands in a switching information list, and storing the generated complete 8K version quasi-PGM video material file for post-production.
For example, referring to fig. 2, fig. 2 is a schematic diagram of generating a complete 8K version of quasi-PGM video material file according to an embodiment of the present application, as shown in fig. 2, a program recording duration T0 is assumed to be 180 minutes, during the whole program recording process, there are 5 accessed 8K cameras, which are respectively the 8K camera No. 1 to the 8K camera No. 5, and correspond to the CAM1 to the CAM5 buttons in the director switching module, and during the whole recording process, all the 8K cameras are performing a synchronous recording task. All the 8K cameras output high-definition signals, and a user monitors the recording states of all the 8K cameras in real time on a screen of the broadcast guiding switching platform module according to the high-definition signals output by all the 8K cameras received by the broadcast guiding switching module.
When recording starts, a user clicks a CAM1 button, the user needs to acquire an 8K signal video material collected by a No. 1 8K camera at the moment, a switching information command corresponding to the clicking operation is sent to an information switching module, the information switching module converts the switching information command into a preset switching information command A which can be recognized by a system, and generates a switching information list from the preset switching information command, and the switching information list is stored in an xml file;
when the recording time reaches 10 minutes, a user clicks a CAM2 button, the user needs to acquire 8K signal video materials collected by a No. 2 8K camera, a switching information command corresponding to the clicking operation is sent to an information switching module, the information switching module converts the switching information command into a preset switching information command B which can be identified by a system, the preset switching information command B is stored in the switching information list, and meanwhile, a section of 8K signal video material t11 recorded by the No. 1 8K camera from 0 to 10 minutes is generated through the preset switching commands A and B;
when the program is recorded for 50 minutes, the user does not want to acquire 8K signal video materials acquired by all 8K cameras from this moment, the user clicks the CAM2 again, the 8K signal video materials acquired by the No. 2 No. 8K camera are not acquired, the user does not click a button corresponding to another 8K camera, the 8K signal video materials acquired by another 8K camera are also not acquired, a switching information command corresponding to the clicking operation is sent to the information switching module, the information switching module converts the switching information command into a preset switching information command C recognizable by the system, the preset switching information command C is stored in the switching information list, and meanwhile, a section of 8K signal video material t21 recorded from 10 minutes to 50 minutes by the No. 2 8K camera is generated through the preset switching commands B and C;
when 80 minutes of recording, a user clicks the CAM3, the user needs to acquire an 8K signal video material collected by a No. 3 8K camera, a switching information command corresponding to the clicking operation is sent to an information switching module, the information switching module converts the switching information command into a preset switching information command D which can be recognized by a system, and the preset switching information command D is stored in the switching information list;
when the recording time reaches 100 minutes, a user clicks the CAM4, the user needs to acquire 8K signal video materials collected by a No. 4 8K camera, a switching information command corresponding to the clicking operation is sent to an information switching module, the information switching module converts the switching information command into a preset switching information command E which can be recognized by a system, the preset switching information command E is stored in the switching information list, and meanwhile, a section of 8K signal video material t31 recorded by the No. 3 8K camera from 80 minutes to 100 minutes is generated through the preset switching commands D and E;
when the recording time reaches 120 minutes, a user clicks the CAM5, the user needs to acquire 8K signal video materials collected by a No. 5 8K camera, a switching information command corresponding to the clicking operation is sent to an information switching module, the information switching module converts the switching information command into a preset switching information command F which can be recognized by a system, the preset switching information command F is stored in the switching information list, and meanwhile, a section of 8K signal video material t41 recorded by the No. 4 8K camera from 100 minutes to 120 minutes is generated through the preset switching commands E and F;
when the recording time reaches 160 minutes, the user clicks the CAM5 again, the 8K signal video material collected by the No. 5 8K camera is not obtained, the user does not click the buttons corresponding to other 8K cameras, so that the 8K signal video material collected by other 8K cameras is not obtained, the switching information command corresponding to the clicking operation is sent to the information switching module, the information switching module converts the switching information command into a preset switching information command G which can be identified by a system, the preset switching information command G is stored in the switching information list, and meanwhile, a section of 8K signal video material t51 recorded by the No. 5 8K camera from 120 to 160 minutes is generated through the preset switching commands F and G;
according to the preset switching information commands from A to G in the switching information list, and according to the 8K signal video materials collected by all the 8K cameras in the whole program recording process, the 8K signal video material of the T11 segment, the 8K signal video material of the T21 segment, the 8K signal video material of the T31 segment, the 8K signal video material of the T41 segment and the 8K signal video material of the T51 segment are spliced into a complete 8K signal video material according to the time sequence, and a complete 8K version quasi-PGM video material file T6 is generated. The 8K version quasi-PGM video material files for making 8K programs taken by the post-production center are 6, 5 are 8K signal video material files T1 to T5 which are collected by a No. 1 8K camera to a No. 5 8K camera in the whole program recording process, and 1 complete 8K version quasi-PGM video material file T6 which is generated by a user in the program recording process immediately according to the switching command of the director switching station module.
In an embodiment of the present application, the system further includes: the 8K signal video materials recorded by the 8K cameras are sealed in real time and stored in real time, and the method specifically comprises the following steps: in the process of synchronously executing the recording task by the plurality of 8K cameras, automatically sealing 8K signal video materials with respective recording durations reaching preset time intervals by the plurality of 8K cameras; and storing the 8K signal video material of the seal to a local storage in real time, and storing the video material of the seal to an external storage in real time.
Illustratively, there are 5 8K cameras accessing the system, i.e., 8K camera No. 1 to 8K camera No. 5, and the preset time interval is 10 minutes. All 8K cameras execute a synchronous recording task in the whole program recording process, after each 8K signal video material acquired by each 8K camera reaches 10 minutes, the 8K signal video material acquired by each 8K camera within 10 minutes is automatically sealed into an 8K signal video material, and meanwhile, the 8K signal video material acquired by each 8K camera within 10 minutes is automatically stored to local storage and automatically migrated to external storage; and in the next 10-minute preset time interval, continuously sealing the 10-minute 8K signal video materials collected by each 8K camera into an 8K signal video material, automatically storing the 10-minute sealed 8K signal video materials collected by each 8K camera to a local storage, and automatically migrating to an external link for storage until the program recording is finished. After the whole program is recorded, all 8K video materials which are acquired by each 8K camera and take 10 minutes as a sealing node respectively form a complete 8K signal video material of each 8K camera in the whole program recording process.
After the program is recorded, the post-production center can immediately take the complete 8K signal video materials of all the 8K cameras for post-production in the whole program recording process stored in the external storage.
The 8K signal video materials after the whole program is recorded are a plurality of huge files, after the program is recorded, all the materials are copied and sent to a post-production center for post-production, a large amount of time and energy are consumed, and in the recording process, the 8K signal video materials which are being recorded are migrated to an external connection storage when the 8K camera can not be used for executing the recording task. 8K signal video material files collected by the 8K camera are sealed through a preset time interval, the 8K signal video material is sealed, the 8K signal video material which is sealed can be automatically stored to local storage, meanwhile, the 8K signal video material is automatically migrated to external connection storage, and meanwhile, the recording task which is being executed by the 8K camera is not influenced. The program is recorded and is accomplished, and 8K signal video material in the external connection storage can be taken to immediately by the post production center and be used for the post production, has promoted post production personnel's production efficiency by a wide margin.
In this embodiment of the application, the real-time sealing and real-time storing of the 8K signal video materials recorded by the multiple 8K cameras further includes:
the information conversion module 103 is configured to convert the switching information command received within a preset time interval into a preset switching information command recognizable by the system in real time, generate a switching information list within the preset time interval in real time according to the preset switching information command within the preset time interval, and store the switching information list within the preset time interval as an xml file;
in all sealed 8K signal video materials recorded by a plurality of 8K cameras within the preset time interval, according to a switching information list stored as an xml file within the preset time interval, acquiring specified segments of the sealed 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information commands in the switching information list within the preset time interval, splicing all the acquired specified segments of the sealed 8K signal video materials within the preset time interval into a complete 8K signal video material according to time sequence, generating an 8K version quasi PGM video material file within the preset time interval, storing the 8K version quasi PGM video material file within the preset time interval to a local storage in real time, and storing the 8K version quasi PGM video material file within the preset time interval to an external storage in real time, wherein the 8K version quasi PGM video material files within the preset time interval are spliced according to time sequence to form the sealed 8K signal video material file within the preset time interval The complete 8K version is quasi PGM video material file.
By way of example, referring to fig. 3, fig. 3 is a schematic diagram of generating a video material file with 8K version of pseudo PGM within a preset time interval according to an embodiment of the present application. As shown in fig. 3, the program recording time length is X0, assuming that the program recording time length is 1 hour, the preset time interval is 10 minutes, that is, 8K signal video materials collected by all 8K cameras are sealed every 10 minutes and automatically stored in a local storage, and automatically stored in an external storage, the system is connected with 4 8K cameras, and a switching information list stored in an xml file is generated every 10 minutes.
Taking the current 10 minutes as the 10 th to 20 th minutes in the whole program recording process as an example, the switching information list generated in the current 10 minutes comprises a plurality of preset switching information commands, and according to the last preset switching information command in the previous 10 minutes and the first preset switching information command in the switching information list in the current 10 minutes, acquiring a specified segment in a sealed 8K signal video material collected by a specified 8K camera; acquiring a seal 8K signal video material designated segment collected by a designated 8K camera according to a previous preset switching information command in a switching information list within the current 10 minutes and a next preset switching information command in the switching information list within the current 10 minutes; and acquiring a specified segment of the sealed 8K signal video material acquired by a specified 8K camera according to the last preset switching information command in the switching information list within the current 10 minutes and the current 10-minute termination time.
For example: the last preset switching information command in the previous 10 minutes is to switch to the No. 1 8K camera, the 1 st preset switching information command in the current 10 minutes is to switch to the No. 2 8K camera in the 3 rd minute, the 2 nd preset switching information command is to switch to the No. 3 8K camera in the 5 th minute, and the 3 rd preset switching information command is to switch to the No. 4 8K camera in the 8 th minute.
Therefore, the 8K signal video material segment x11 from the starting time of the current 10 minutes to the 3 rd minute from the current 10 minutes in the seal 8K signal video material of the current 10 minutes acquired by the No. 1 8K camera is acquired, the method comprises the steps of acquiring an 8K signal video material segment x21 from the 3 rd minute from the current 10 minutes to the 5 th minute from the current 10 minutes in a seal 8K signal video material acquired by an 8K camera No. 2 and acquiring an 8K signal video material segment x31 from the 5 th minute from the current 10 minutes to the 8 th minute from the current 10 minutes in a seal 8K signal video material acquired by an 8K camera No. 3 and acquiring an 8K signal video material segment x41 from the 8 th minute from the current 10 minutes to the 10 th minute from the current 10 minutes in a seal 8K signal video material acquired by an 8K camera No. 4 and acquired by an 8K camera No. 10.
All 8K signal video material segments x11, x21, x31, x41 in the current 10 minutes constitute a segment of 8K signal video material in the current 10 minutes, and a copy of the 8K version quasi-PGM video material file in the current 10 minutes is generated and automatically saved to local storage and automatically saved to external storage. All 8K version quasi PGM video material files within a preset time interval are spliced in time sequence to form a complete 8K version quasi PGM video material file X5.
The post-production center has 5 video material files of 8K version and quasi-PGM for producing 8K programs. 4 8K signal video material files X1 to X4 are collected by 1 # 8K camera to 4 # 8K camera in the whole process of recording programs, and the 8K signal video material collected by each 8K camera is automatically stored to local storage and automatically stored to external storage by taking 10 minutes as a sealing node; and 1, splicing all the 8K version quasi-PGM video material files in the preset time interval according to the time sequence to form a complete 8K version quasi-PGM video material file X5, wherein each 8K version quasi-PGM video material file reaching the preset time interval is automatically stored to a local storage and automatically stored to an external storage. After the program is recorded, all 5 parts of 8K version quasi-PGM video material files can be immediately taken by the post-production center, and the production efficiency of post-production personnel is greatly improved.
An embodiment of the present application further provides an intelligent virtual synthesis and production method for an 8K ultra high definition program, referring to fig. 4, where fig. 4 is a schematic flow diagram of the intelligent virtual synthesis and production method for the 8K ultra high definition program according to the embodiment of the present application. As shown in fig. 4, the method for intelligently and virtually synthesizing and manufacturing the 8K ultra high definition program of the present application includes the following steps:
step S11: the method comprises the following steps that a plurality of 8K cameras synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
step S12: the user monitors recording tasks of the 8K cameras in real time according to the high-definition signals fed back by the 8K cameras, and sends a switching information command for switching to a designated camera to the 8K ultrahigh-definition program intelligent virtual synthesis manufacturing system through the broadcast guiding switching platform;
step S13: the system converts the received switching information command into a preset switching information command which can be recognized by the system in real time, generates a switching information list in real time according to the preset switching information command, and stores the switching information list as an xml file;
step S14: in all 8K signal video materials recorded by the 8K cameras, according to the switching information list stored as the xml file, acquiring specified segments of the 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information command in the switching information list, splicing the specified segments of all the acquired 8K signal video materials according to time sequence to form a complete 8K signal video material, and generating a complete 8K version quasi-PGM video material file.
The present application provides an intelligent virtual synthesis production method for 8K ultra high definition programs based on the provided intelligent virtual synthesis production system 100 for 8K ultra high definition programs, wherein step S11 is executed by the multi-channel recording module 101 in the system 100, step S12 is executed by the director switching station module 102 in the system 100, step S13 is executed by the information conversion module 103 in the system 100, and step S14 is executed by the synthesis module 104 in the system 100.
The method for intelligently and virtually synthesizing and manufacturing the 8K ultrahigh-definition programs can be used for a traditional playing system. When the system is applied specifically, firstly, a multi-channel recording module 101 is used for controlling a plurality of 8K cameras to synchronously execute recording tasks, a user monitors the recording tasks of the plurality of 8K cameras in real time according to high-definition signals fed back by the plurality of 8K cameras, and sends a switching information command to an information conversion module 103 through a director switching platform module 102, the information conversion module 103 converts the received switching information command into a preset switching information command which can be identified by the system in real time, a switching information list in an xml format is generated and stored according to the preset switching information command, a synthesis module 104 is used for switching the information list to obtain specified segments of 8K signal video materials collected by a plurality of specified 8K cameras, and the obtained specified segments of the 8K signal video materials are combined into a complete 8K signal video material according to time sequence, a complete 8K version of the quasi PGM video material file is generated. Through the 8K ultra-high definition program intelligent virtual synthesis manufacturing method, the switching task of the 8K camera can be continuously realized by using a high-definition switching station in a high-definition recording system of the conventional traditional studio, so that the recording of the 8K signal program is realized, the problems that the 8K signal program is recorded in the conventional studio for realizing the recording of the conventional studio in the prior art, the high-definition system of the conventional traditional studio is improved, the 8K signal program is recorded, the design is complex, the purchase cost is high, the installation and debugging are difficult, the equipment maintenance is troublesome and the like are solved. Meanwhile, by the 8K ultra-high-definition program intelligent virtual synthesis manufacturing method, after the 8K program is recorded, later-stage editors can immediately take a complete 8K version quasi-PGM video material file generated by a user immediately according to a switching command of the director switching station module and an 8K signal video material file acquired by all 8K cameras in the whole program recording process for editing in pieces, and the efficiency of the later-stage editors in manufacturing the 8K program is greatly improved.
Based on the same inventive concept, another embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps in the method according to the above-described embodiment of the present application.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one of skill in the art, embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is given to an intelligent virtual synthesis production system, method and storage medium for 8K ultra-high definition programs provided by the present application, and a specific example is applied in the present application to explain the principle and implementation manner of the present application, and the description of the above embodiment is only used to help understanding the method and core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (7)

1. An intelligent virtual synthesis and production system for 8K ultra-high definition programs, which is characterized by comprising:
the multi-channel recording module is used for controlling a plurality of 8K cameras to synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
the broadcasting guidance switching platform module is used for monitoring recording tasks of the 8K cameras in real time according to high-definition signals output by the 8K cameras and sending switching information commands corresponding to the operation to the information conversion module according to the operation of switching to the specified camera by a user;
the information conversion module is used for converting the received switching information command into a preset switching information command which can be identified by the system in real time, generating a switching information list in real time according to the preset switching information command, and storing the switching information list as an xml file;
and the synthesis module is used for acquiring specified segments of the 8K signal video materials collected by the specified 8K cameras corresponding to the preset switching information commands in the switching information list according to the switching information list stored as the xml file in all the 8K signal video materials recorded by the 8K cameras, splicing the specified segments of all the acquired 8K signal video materials according to time sequence to form a complete 8K signal video material, and generating a complete 8K version quasi-PGM video material file.
2. The system of claim 1, further comprising: the 8K signal video materials recorded by the 8K cameras are sealed in real time and stored in real time, and the method specifically comprises the following steps:
in the process of synchronously executing the recording task by the plurality of 8K cameras, automatically sealing 8K signal video materials with respective recording durations reaching preset time intervals by the plurality of 8K cameras;
and storing the 8K signal video material of the seal to a local storage in real time, and storing the video material of the seal to an external storage in real time.
3. The system of claim 2, wherein said real-time sealing and real-time storing of 8K signal video material recorded by said plurality of 8K cameras further comprises:
the information conversion module is used for converting the switching information command received in a preset time interval into a preset switching information command which can be recognized by the system in real time, generating a switching information list in the preset time interval in real time according to the preset switching information command in the preset time interval, and storing the switching information list in the preset time interval as an xml file;
in all sealed 8K signal video materials recorded by a plurality of 8K cameras within the preset time interval, according to a switching information list stored as an xml file within the preset time interval, acquiring specified segments of the sealed 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information commands in the switching information list within the preset time interval, splicing all the acquired specified segments of the sealed 8K signal video materials within the preset time interval into a complete 8K signal video material according to time sequence, generating an 8K version quasi PGM video material file within the preset time interval, storing the 8K version quasi PGM video material file within the preset time interval to a local storage in real time, and storing the 8K version quasi PGM video material file within the preset time interval to an external storage in real time, wherein the 8K version quasi PGM video material files within the preset time interval are spliced according to time sequence to form the sealed 8K signal video material file within the preset time interval The complete 8K version is quasi PGM video material file.
4. The system of claim 1, wherein the controlling the plurality of 8K cameras to synchronously perform the recording task comprises:
the 8K cameras are in one-to-one correspondence with the multi-channel recording modules, one multi-channel recording module serves as a main module, the rest multi-channel recording modules serve as auxiliary modules, and when the main module controls the corresponding 8K cameras to execute recording tasks, the rest auxiliary modules control the corresponding 8K cameras to execute synchronous recording tasks.
5. The system of claim 1, wherein the director's switchyard module is connected to the information conversion module via a remote control line of a serial communication port, the 8K camera is connected to the director's switchyard module, and the 8K camera is connected to the multichannel recording module.
6. An intelligent virtual synthesis and production method for 8K ultra-high definition programs is characterized by comprising the following steps:
the method comprises the following steps that a plurality of 8K cameras synchronously execute recording tasks, wherein the 8K cameras output 8K signals and high-definition signals;
the user monitors recording tasks of the 8K cameras in real time according to high-definition signals fed back by the 8K cameras, and sends a switching information command for switching to a specified camera to the 8K ultra-high-definition program intelligent virtual synthesis manufacturing system according to any one of claims 1 to 5 through a broadcast guiding switching table;
the system converts the received switching information command into a preset switching information command which can be recognized by the system in real time, generates a switching information list in real time according to the preset switching information command, and stores the switching information list as an xml file;
in all 8K signal video materials recorded by the 8K cameras, according to the switching information list stored as the xml file, acquiring specified segments of the 8K signal video materials collected by specified 8K cameras corresponding to the preset switching information command in the switching information list, and forming a complete 8K signal video material by the specified segments of all the acquired 8K signal video materials according to time sequence to generate a complete 8K version quasi-PGM video material file.
7. A computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the steps in the method for intelligent virtual composition of 8K ultra high definition programs according to claim 6.
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