CN109089060B - Multi-channel signal source playing method and system - Google Patents
Multi-channel signal source playing method and system Download PDFInfo
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- CN109089060B CN109089060B CN201810978173.9A CN201810978173A CN109089060B CN 109089060 B CN109089060 B CN 109089060B CN 201810978173 A CN201810978173 A CN 201810978173A CN 109089060 B CN109089060 B CN 109089060B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio 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
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- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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Abstract
The embodiment of the application provides a display control method and a display control system for multiple signals, wherein the method comprises the following steps: receiving grouping information of signal source equipment of a plurality of paths of video signals to be displayed, wherein the grouping information comprises signal display logic relations between main signal source equipment and each signal source equipment in a group; the signal display logic relationship represents an arrangement array of the video signals of the signal source equipment during display; determining a display mapping relation between each signal source device in a group and the display array where the target display is located according to the main signal source device, the determined target display and the signal display logic relation; and sending the display mapping relation to signal processing equipment connected with the display array, so that the signal processing equipment provides the video signals of the signal source equipment to the display array for displaying according to the display mapping relation.
Description
Technical Field
The present application relates to the field of playback technologies, and in particular, to a method and a system for playing multiple signal sources.
Background
For schools or some enterprises, due to the need of monitoring or others, video signals collected by cameras arranged at various positions need to be played on a front-end display, so that users can know relevant information at any time. When selecting a video signal to play, the prior art adopts a man-machine interaction mode, a video signal equipment identifier is selected in a video signal control, a display identifier is selected in the display control, a mapping relation between signal source equipment and a display is established, a control instruction is generated, namely, at least two times of manual operation is needed for playing a video signal, in a real application scene, dozens of or hundreds of paths of video signals are generally needed to be configured, so that a large number of repeated operations are needed for switching multiple paths of video signals, and when one path of video signals is switched, some video signals with associated contents also need to be synchronously switched, and by adopting the existing operation mode, a user needs to search signal source equipment corresponding to the associated video signals in a large number of video signal equipment identifiers and perform repeated switching operations, the switching process is not convenient enough, the whole time consumption is long, and the playing efficiency is low.
Disclosure of Invention
In view of this, the present application provides a method and a system for controlling display of multiple signals to simplify the switching process and improve the playing efficiency.
In a first aspect, an embodiment of the present application provides a method for controlling display of multiple channels of signals, including:
receiving grouping information of signal source equipment of a plurality of paths of video signals to be displayed, wherein the grouping information comprises signal display logic relations between main signal source equipment and each signal source equipment in a group; the signal display logic relationship represents an arrangement array of the video signals of the signal source equipment during display;
determining a display mapping relation between each signal source device in a group and the display array where the target display is located according to the main signal source device, the determined target display and the signal display logic relation;
and sending the display mapping relation to signal processing equipment connected with the display array, so that the signal processing equipment provides the video signals of the signal source equipment to the display array for displaying according to the display mapping relation.
Optionally, the determining, according to the main signal source device, the determined target display, and the signal display logical relationship, the display mapping relationship between each signal source device in the group and the display array where the target display is located includes:
establishing association between the main signal source device and the target display;
with the target display as a starting point, establishing association between each signal source device in the group and a corresponding display in the display array according to the signal display logical relationship;
and forming the display mapping relation according to the association between each signal source device in the group and the display array.
Optionally, the associating between each signal source device and the corresponding display in the display array includes:
establishing association between each signal source device and the same number of displays in the display array in a one-to-one correspondence manner; or one of said signal source devices is associated with a plurality of displays in said array of displays; or a plurality of said signal source devices in each said signal source device are associated with a display in said array of displays.
Optionally, associating one of the signal source devices with a plurality of displays in the display array includes:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
and establishing association between the signal source equipment and the display in the display array through the corresponding relation between the video signal and the display.
Optionally, associating a plurality of the signal source devices in each of the signal source devices with one display in the display array includes:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
determining the positions of the video signals in the signal source equipment group in the horizontal direction and the positions in the vertical direction in a plurality of occupied display windows arranged on the display;
and establishing association between the signal source equipment and the displays in the display array through the number of the displays in the horizontal direction and the number of the displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array, and the positions in the horizontal direction and the positions in the vertical direction in a plurality of display windows arranged on the displays.
Optionally, the associating, with the target display as a starting point, each signal source device in the group with a corresponding display in the display array according to the signal display logical relationship includes:
and when the arrangement array represented by the signal display logical relationship is smaller than or equal to the scale of the display array and the displays in the display array determined according to the signal display logical relationship can be used for establishing the display mapping relationship, associating the signal source equipment with the displays in the display array.
Optionally, when the arrangement array represented by the signal display logical relationship is smaller than or equal to the scale of the display array, but any one of the display arrays determined according to the signal display logical relationship is unavailable for the display used for establishing the display mapping relationship, re-determining the target display and adjusting the display mapping relationship.
Optionally, when the arrangement array represented by the signal display logical relationship is larger than the scale of the display array, the association is finished.
Optionally, the re-determining the target display and adjusting the display mapping relationship includes:
and determining the display mapping relation between each signal source device in the group and the display array according to the main signal source device, the re-determined target display and the signal display logical relation until the displays in the display array determined according to the signal display logical relation can be used for establishing the display mapping relation.
Optionally, when the video signals of the signal source devices are displayed, the positions in the arrangement array are continuously arranged in the row direction or/and the column direction, or are continuously arranged in the diagonal direction.
In a second aspect, an embodiment of the present application provides a display control system for multiple signals, including a signal processing device, a display array, and a control device, where the control device performs display control by using the above display control method;
the signal processing device is connected with the control device and each display in the display array respectively.
Optionally, the signal processing apparatus includes a video matrix switcher, where the video matrix switcher includes a first input card, a first switch card, a first output card, and a control card electrically connected to the first input card, the first switch card, and the first output card;
the first input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the first output card is connected with at least one display in the display array;
the first input card is used for receiving the video signal sent by the signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the first switching card to switch a video signal to the output card corresponding to the target display according to the display mapping relation;
the first output card is used for outputting a video signal to the target display.
Optionally, the signal processing apparatus includes a splicing processor, where the splicing processor includes a second input card, a second switch card, a second output card, and a control card electrically connected to the second input card, the second switch card, and the second output card;
the second input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the second output card is connected with at least one display in the display array;
the second input card is used for receiving the video signal sent by the signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the switching card to switch the video signal to the second output card corresponding to the target display according to the display mapping relation;
the second output card is used for outputting the video signal to the target display.
In a third aspect, an embodiment of the present application provides a computer device including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the method when executing the computer program.
According to the display control method and the display control system for the multi-channel signals, the display mapping relation between each signal source device in the signal source device group and the display array where the target display is located is determined through the grouping information of the signal source devices of the multi-channel video signals to be displayed and the determined target display, the display mapping relation is sent from the signal processing device connected with the display array, the signal processing device provides the video signals in the signal source devices to the corresponding displays to be displayed according to the display mapping relation, the mapping relation is established between the signal source device group and the display array, the video signals are displayed in the displays, the video signals are switched more conveniently, the time consumption of the switching process is short, and the video signal playing efficiency is improved.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic flowchart illustrating a display control method for multiple signals according to an embodiment of the present disclosure;
fig. 2 shows a first schematic diagram of a signal source device grouping provided by an embodiment of the present application;
fig. 3 shows a second schematic diagram of a signal source device grouping provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram illustrating that a signal source device and a display establish a one-to-many mapping relationship according to an embodiment of the present application;
fig. 5 is a schematic structural diagram illustrating that a signal source device and a display establish a many-to-one mapping relationship according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a display control system for multiple signals according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram illustrating a display control apparatus for multiple signals according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, an embodiment of the present application provides a method for controlling display of multiple signals, including:
101, receiving grouping information of signal source equipment of a plurality of paths of video signals to be displayed, wherein the grouping information comprises signal display logic relations between main signal source equipment and each signal source equipment in a group; the signal display logic relationship represents an arrangement array of video signals of each signal source device during display;
specifically, the main signal source device may be any one signal source device in a signal source device group; all signal source devices are grouped according to the incidence relation of the video signal content; the signal source device group includes two or more signal source devices, and the signal source devices may be, but are not limited to, devices capable of outputting dynamic and static visual signals, such as PC computers, cameras, and the like. The positions of the video signals of the signal source devices in the arrangement array are continuously arranged in the row direction or/and the column direction or in the diagonal direction when the video signals are displayed.
For example, when the signal source device group includes two signal source devices, the video signals of the signal source devices may be in line continuity when displayed, referring to fig. 2, when the signal source device group includes four signal source devices, the video signals of the signal source devices are in line continuity when displayed, referring to fig. 3, the case of column continuity is the same as the case of line continuity, and detailed description thereof is omitted.
102, determining a display mapping relation between each signal source device in the group and a display array where the target display is located according to the main signal source device, the determined target display and the signal display logic relation;
here, the target display may be, but is not limited to, a touch display, an LED display, etc., which is not limited in this application; the video signal of the main signal source device may be displayed through one display, or may be displayed through more than one display, where the display capable of displaying the video signal of the main signal source device is a target display, and the number of the displays included in the target display may be determined according to an actual situation, which is not limited in this application.
When determining the display mapping relation between each signal source device in the group and the display array where the target display is located according to the main signal source device, the determined target display and the signal display logical relation, the method comprises the following steps:
establishing association between the main signal source device and the target display;
with the target display as a starting point, establishing association between each signal source device in the group and a corresponding display in the display array according to the signal display logical relationship;
and forming the display mapping relation according to the association between each signal source device in the group and the display array.
Here, when the association between the main signal source device and the target display is established, the association may be established manually, or the association between the main signal source device and the target display may be established according to a requirement in an actual application, which is not limited in the present application.
When the target display is used as a starting point and each signal source device in the group is associated with the corresponding display in the display array according to the signal display logical relationship, the method comprises the following steps:
and when the arrangement array represented by the signal display logical relationship is smaller than or equal to the scale of the display array and the displays in the display array determined according to the signal display logical relationship can be used for establishing the display mapping relationship, associating the signal source equipment with the displays in the display array.
And when the arrangement array represented by the signal display logical relationship is smaller than or equal to the scale of the display array, but any display which is determined according to the signal display logical relationship and cannot be used for establishing the display mapping relationship exists in the display array, re-determining the target display and adjusting the display mapping relationship.
And finishing establishing the association when the arrangement array represented by the signal display logical relationship is larger than the scale of the display array.
Here, the scale of the display array represents the number of displays set in advance.
In specific implementation, after the association relationship between the main signal source device and the target display is established, whether the number of the signal source devices in the arrangement array represented by the signal display logical relationship is less than or equal to the number of the displays in the display array is judged, and if the number of the signal source devices in the arrangement array represented by the signal display logical relationship is greater than the number of the displays in the display array, the display array cannot display the video signals, and the establishment of the association is finished; if the number of the signal source devices in the arrangement array represented by the signal display logical relationship is less than or equal to the number of the displays in the display array, further judging whether the displays in the display array determined according to the signal display logical relationship can be used for establishing a display mapping relationship, and if the displays in the display array determined according to the signal display logical relationship can be used for establishing the display mapping relationship, enabling each signal device in the signal source device group to be associated with the corresponding display in the display array; if one or more displays which cannot be used for establishing the display mapping relation exist in the display array determined according to the signal display logical relation, at the moment, the target display needs to be determined again and the display mapping relation needs to be adjusted. And when the target display is determined again, the number of the displays included in the determined target display is the same as the number of the displays included in the target display before the determination.
If one or more displays which are not available for establishing the display mapping relationship exist in the display array determined according to the signal display logical relationship, the target display needs to be determined again and the display mapping relationship needs to be adjusted, and the method comprises the following steps:
and determining the display mapping relation between each signal source device in the group and the display array according to the main signal source device, the re-determined target display and the signal display logical relation until the displays in the display array determined according to the signal display logical relation can be used for establishing the display mapping relation.
In a specific implementation, when the target display is reselected, if the target display includes one display, a display located adjacent to the target display in the same row may be determined as the target display, a display located adjacent to the target display in the same column may be determined as the target display, a display located at one or more arrangement positions spaced from the target display in the same row may be determined as the target display, or a display located at one or more arrangement positions spaced from the target display in the same column may be determined as the target display.
If the target display includes more than one display, the display having the same data at the adjacent position in the same row as the target display may be determined as the target display, the same number of displays at the adjacent position in the same column as the target display may be determined as the target display, the same number of displays at one or more arrangement positions spaced in the same row as the target display may be determined as the target display, or the same number of displays at one or more arrangement positions spaced in the same column as the target display may be determined as the target display
After the target display is determined, repeatedly executing the display mapping relationship between each signal source device in the group and the display array according to the main signal source device, the re-determined target display and the signal display logical relationship until the displays in the display array determined according to the signal display logical relationship can be used for establishing the display mapping relationship.
The method for associating each signal source device in the group with the corresponding display in the display array according to the signal display logical relationship may be any one or a combination of the following methods:
establishing association between each signal source device in the signal source device group and the same number of displays in the display array in a one-to-one correspondence manner; or the like, or, alternatively,
associating one of the signal source devices in the signal source device group with a plurality of displays in the display array; or the like, or, alternatively,
a plurality of the signal source devices in each of the signal source devices in the signal source device group are associated with one display in the display array.
Aiming at the condition that each signal source device in the signal source device group is in one-to-one correspondence with the same number of displays in the display array, the association is established:
the main signal source equipment firstly establishes a one-to-one mapping relation with a target display;
and each signal source device except the main signal source device in the signal source device group and each display except the target display in the display array establish a one-to-one mapping relation.
For this situation, the number of signal source devices in the signal source device group may be the same as or smaller than the number of displays in the display array, which is not limited in the present application.
For example, the signal source device group includes two signal source devices, the numbers of the two signal source devices are a and B, respectively, the display array includes two displays, the displays are C and D, respectively, with a as the main signal source device and C as the target display, first, a mapping relationship between the main signal source device a and the target display C is established, and based on the positional relationship between the signal source devices a and B, a mapping relationship between the signal source device B and the display D is further established.
For a case where one of the signal source devices in a group of signal source devices establishes an association with a plurality of displays in the array of displays:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
and establishing association between the signal source equipment and the display in the display array through the corresponding relation between the video signal and the display.
In a specific implementation, after the connection relationship between the main signal source device and the target display is established, for each signal source device in the signal source device group, the number of horizontal displays and the number of vertical displays, which are required to be displayed by the video signal corresponding to the signal source device, are determined, and according to the correspondence relationship between the video signal and the displays, the association relationship between the signal source device and the displays in the determined display array is established.
As shown in fig. 4a, the grouping information of the signal source devices is edited in the virtual screen, and the total number of displays occupied by each video signal in the grouping information of the signal source devices in the horizontal direction is determined to be 3, the total number of displays in the vertical direction is determined to be 2, the number of displays occupied in the horizontal direction is determined to be 2, the number of displays occupied in the vertical direction is determined to be 2, the information of the displays occupied by the video signals of the signal source devices in the display array can be represented by (2,2), the number of displays occupied by the video signals of the signal source devices 2 in the grouping information of the signal source devices in the horizontal direction is determined to be 1, the number of displays occupied in the vertical direction is determined to be 1, the information of the displays occupied by the video signals of the signal source devices in the display array can be represented by (1,1), the number of displays occupied by the video signals of the signal source devices 3 in the grouping information of the signal source devices in the, The number of displays occupied in the vertical direction is 1, the information of the displays occupied by the video signals of the signal source equipment in the display array can be represented by (1,1), the number of displays in the horizontal direction in the display array occupied by all the signal source equipment in the signal source equipment group is added to be 3, the number of displays in the vertical direction in the display array occupied by all the signal source equipment in the signal source equipment group is added to be 2, and the mapping relationship between the signal source equipment and the displays established according to the signal source equipment group information is shown in fig. 4 b.
For a case where a plurality of said signal source devices in a signal source device group establish an association with one display in said array of displays:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
determining the positions of the video signals in the signal source equipment group in the horizontal direction and the positions in the vertical direction in a plurality of occupied display windows arranged on the display;
determining the corresponding relation between the video signals and the displays through the number of the displays in the horizontal direction and the number of the displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array, and the positions in the horizontal direction and the positions in the vertical direction in a plurality of display windows arranged on the displays, so that the signal source equipment is related to the displays in the display array.
Here, the position in the horizontal direction may be an abscissa, and the position in the vertical direction may be an ordinate.
In a specific implementation, after establishing a connection relationship between a main signal source device and a target display, for each signal source device in a signal source device group, determining the number of horizontal displays and the number of vertical displays required to be displayed by a video signal corresponding to the signal source device, determining the position of the video signal in the horizontal direction and the position of the video signal in the vertical direction in a plurality of display windows of an occupied display device, the number of displays in the horizontal direction and the number of displays in the vertical direction are occupied by the video signals in the signal source equipment group in the display array, and establishing an association relationship between the signal source device and the display in the determined display array at a position in a horizontal direction, i.e., an abscissa, and a position in a vertical direction, i.e., an ordinate, in a plurality of display windows provided for the display.
Editing signal source device grouping information in a virtual screen as shown in fig. 5a, determining the number 2 of displays occupying the horizontal direction and the number 1 of displays occupying the vertical direction in the signal source device grouping information, determining the number 0 of displays occupying the horizontal direction and the number 0 of displays occupying the vertical direction in each signal source device in the signal source device grouping information, determining the horizontal direction coordinate of the video signal of each signal source device in the signal source device grouping information in the display as X1 and the vertical direction coordinate as Y1, and the number 1 of horizontal direction display windows occupied by the video signal in the display, the number 1 of vertical direction display windows, the information of displays occupied by the video signal of the signal source device in the display array can be represented by (0,0) (X1, Y1, 2, 1), the number of displays occupying the horizontal direction in the display array by all the signal source devices in the signal source device grouping is added to be 2, the number of displays in the vertical direction in the display array occupied by all the signal source devices in the signal source device group is added to 1, and the mapping relationship between the signal source devices and the displays established according to the signal source device group information is shown in fig. 5 b.
And 103, sending the display mapping relation to the signal processing equipment connected with the display array so that the signal processing equipment provides the video signals of the signal source equipment to the display array for displaying according to the display mapping relation.
Specifically, the display mapping relationship may be sent to the signal processing device in a wired manner, such as a signal cable, or may be sent to the signal processing device in a wireless manner, such as based on a second/third/fourth/fifth generation mobile communication technology, a wireless communication technology, or the like; the method of displaying a video signal is described in detail in the prior art and will not be described more than necessary.
Specifically, the signal processing device is connected to the signal source device and the display, so that the signal processing device provides the video signal of the signal source device to the display in the display array for displaying according to the received display mapping relationship.
The display control method for the multi-channel signals, provided by the embodiment of the application, includes determining display logical relations among a main signal source device, the main signal source device and other signal source devices in a group according to grouping information of signal source devices of the multi-channel video signals to be displayed, determining a target display and a display array where the target display is located, establishing a mapping relation between the determined main signal source device and the determined target display, determining display mapping relations between the other signal source devices in the group and other displays in the display array according to the display logical relations, sending the determined display mapping relations to a signal processing device, and pushing the video signals to the displays of the corresponding mapping relations to display by the signal processing device according to the received display mapping relations. According to the display control method for the multi-channel signals, the signal source devices are firstly grouped, so that when the video signals are switched, the multi-channel signals are switched through single operation, time consumed in the switching process is reduced, and the video playing efficiency is improved.
As shown in fig. 6, the present embodiment provides a display control system of multiple signals, including:
a signal processing device 601, a display array 602, and a control device 603; the signal processing device 601 is connected to a control device 603 and to each display 602 in the display array, respectively.
In this embodiment, the control device 603 sends the video signal sent by the signal processing device 601 to each display 602 in the display array for displaying according to the control command, so as to improve the efficiency of video playing.
The present embodiment provides a video matrix switcher of a signal processing apparatus in a display control system of multiple signals, including:
the system comprises a first input card, a first switch card, a first output card and a control card electrically connected with the first input card, the first switch card and the first output card;
the first input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the first output card is connected with at least one display in the display array;
specifically, one first input card may be connected to at least one signal source device in the signal source device group, and one first input card may be connected to at most four signal source devices in the signal source device group.
Specifically, the control card is connected with the control device, and the control card can receive the display mapping relationship sent by the control device in a wired manner, and can also receive the display mapping relationship sent by the control device in a wireless manner.
In particular, a first output card may be coupled to at least one display in the display array, and a first output card may be coupled to up to four displays in the display array.
The first input card is used for receiving a video signal sent by signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the switching card to switch the video signal to the first output card corresponding to the target display according to the display mapping relation;
a first output card for outputting the video signal to a target display.
The video matrix switcher can comprise a plurality of first input cards and a plurality of first output cards, so that the video matrix switcher can simultaneously switch a plurality of video signals, the efficiency of video signal switching is improved, the time consumption of video switching is reduced, and the playing efficiency is improved.
In this embodiment, the control card receives the display mapping relationship sent by the control device, the control card controls the first switching card to switch the video signal received by the first input card to the corresponding first output card according to the display mapping relationship, and the display connected to the first output card displays the video signal, so that the switching efficiency of the video signal is improved, and the video playing efficiency is improved.
The signal processing equipment comprises a splicing processor, wherein the splicing processor comprises a second input card, a second switching card, a second output card and a control card electrically connected with the second input card, the second switching card and the second output card;
the second input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the second output card is connected with at least one display in the display array;
the second input card is used for receiving the video signal sent by the signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the switching card to switch the video signal to the second output card corresponding to the target display according to the display mapping relation;
the second output card is used for outputting the video signal to the target display.
Specifically, one second input card may be connected to at least one signal source device in the signal source device group, and one second input card may be connected to at most four signal source devices in the signal source device group.
The control card is connected with the control equipment, can receive the display mapping relation sent by the control equipment in a wired mode, and can also receive the display mapping relation sent by the control equipment in a wireless mode.
One second output card may be coupled to at least one display in the array of displays and one second output card may be coupled to up to four displays in the array of displays.
The splicing processor can comprise a plurality of second input cards and a plurality of second output cards, so that the splicing processor can simultaneously switch a plurality of video signals, the efficiency of video signal switching is improved, the time consumption of video switching is reduced, and the playing efficiency is improved.
In this embodiment, the control card receives the display mapping relationship sent by the control device, the control card controls the second switching card to switch the video signal received by the second input card to the corresponding second output card according to the display mapping relationship, and the display connected to the second output card displays the video signal, so that the switching efficiency of the video signal is improved, and the video playing efficiency is improved. A signal source device is associated with a display, or the signal source device is associated with a plurality of displays, or a plurality of signal source devices are associated with one display, and the splicing processor is suitable for the signal source device and the displays.
However, it should be noted that the number of the first input card, the first switch card, the first output card, the second input card, the second switch card, and the second output card may be one or more, and the application does not limit the number of the first input card, the first switch card, the first output card, the second input card, the second switch card, and the second output card, and may be determined according to actual situations.
An embodiment of the present application provides a display control apparatus for multiple signals, as shown in fig. 7, including:
the receiving module 71 is configured to receive grouping information of signal source devices of a plurality of channels of video signals to be displayed, where the grouping information includes a signal display logical relationship between a main signal source device and each signal source device in a group; the signal display logic relationship represents an arrangement array of the video signals of the signal source equipment during display;
a determining module 72, configured to determine, according to the main signal source device, the determined target display, and the signal display logical relationship, a display mapping relationship between each signal source device in the group and the display array where the target display is located;
a display module 73, configured to send the display mapping relationship to a signal processing device connected to the display array, so that the signal processing device provides the video signal of each signal source device to the display array for displaying according to the display mapping relationship
Corresponding to the display control method of the multi-channel signal in fig. 1, an embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, and the computer program is executed by a processor to perform the steps of the display control method.
Specifically, the storage medium can be a general storage medium, such as a mobile disk, a hard disk, and the like, and when a computer program on the storage medium is executed, the display control method can be executed, so that the problems of long time consumption and repeated operation in the video signal switching process are solved, the video signal switching efficiency is improved, and the video playing efficiency is improved.
The playing system provided by the embodiment of the present application may be specific hardware on the device, or software or firmware installed on the device, and the like. The system provided by the embodiment of the present application has the same implementation principle and technical effect as the foregoing method embodiment, and for the sake of brief description, no mention is made in the system embodiment, and reference may be made to the corresponding contents in the foregoing method embodiment. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments provided in the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the present disclosure, which should be construed in light of the above teachings. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (14)
1. A display control method of a multi-channel signal is characterized by comprising the following steps:
receiving grouping information of signal source equipment of a plurality of paths of video signals to be displayed, wherein the grouping information comprises signal display logic relations between main signal source equipment and each signal source equipment in a group; the signal display logic relationship represents an arrangement array of the video signals of the signal source equipment during display;
determining a display mapping relation between each signal source device in the group and a display array where the target display is located according to the main signal source device, the determined target display and the signal display logic relation;
and sending the display mapping relation to signal processing equipment connected with the display array, so that the signal processing equipment provides the video signals of the signal source equipment to the display array for displaying according to the display mapping relation.
2. The method according to claim 1, wherein determining the display mapping relationship between each signal source device in a group and the display array where the target display is located according to the main signal source device, the determined target display and the signal display logical relationship comprises:
establishing association between the main signal source device and the target display;
with the target display as a starting point, establishing association between each signal source device in the group and a corresponding display in the display array according to the signal display logical relationship;
and forming the display mapping relation according to the association between each signal source device in the group and the display array.
3. The display control method of claim 2, wherein associating each of the signal source devices with a corresponding display in the array of displays comprises:
establishing association between each signal source device and the same number of displays in the display array in a one-to-one correspondence manner; or one of said signal source devices is associated with a plurality of displays in said array of displays; or a plurality of said signal source devices in each said signal source device are associated with a display in said array of displays.
4. The display control method of claim 3, wherein associating one of said signal source devices with a plurality of displays in said array of displays comprises:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
and establishing association between the signal source equipment and the display in the display array through the corresponding relation between the video signal and the display.
5. The display control method of claim 3, wherein associating a plurality of said signal source devices in said respective ones of said signal source devices with a display in said array of displays comprises:
determining the number of displays in the horizontal direction and the number of displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array;
determining the positions of the video signals in the signal source equipment group in the horizontal direction and the positions in the vertical direction in a plurality of occupied display windows arranged on the display;
and establishing association between the signal source equipment and the displays in the display array through the number of the displays in the horizontal direction and the number of the displays in the vertical direction occupied by the video signals in the signal source equipment group in the display array, and the positions in the horizontal direction and the positions in the vertical direction in a plurality of display windows arranged on the displays.
6. The method according to claim 2, wherein associating each of the signal source devices in a group with a corresponding display in the display array according to the signal display logical relationship with the target display as a starting point comprises:
and when the arrangement array represented by the signal display logical relationship is smaller than or equal to the scale of the display array and the displays in the display array determined according to the signal display logical relationship can be used for establishing the display mapping relationship, associating the signal source equipment with the displays in the display array.
7. The display control method according to claim 6, wherein when the arrangement array characterized by the signal display logical relationship is smaller than or equal to the size of the display array but any one of the display arrays determined according to the signal display logical relationship is unavailable for the display for establishing the display mapping relationship, the target display is re-determined and the display mapping relationship is adjusted.
8. The display control method according to claim 6, wherein the association is terminated when the arrangement array represented by the signal display logical relationship is larger than the size of the display array.
9. The method according to claim 7, wherein the re-determining the target display and adjusting the display mapping relationship comprises:
and determining the display mapping relation between each signal source device in the group and the display array according to the main signal source device, the re-determined target display and the signal display logical relation until the displays in the display array determined according to the signal display logical relation can be used for establishing the display mapping relation.
10. The display control method according to claim 1, wherein the positions in the arrangement array when the video signals of the respective signal source devices are displayed are arranged consecutively in a row or/and column direction, or arranged consecutively in a diagonal direction.
11. A display control system of a multi-channel signal, comprising a signal processing device, a display array and a control device, wherein the control device performs display control by using the display control method according to any one of claims 1 to 10;
the signal processing device is connected with the control device and each display in the display array respectively.
12. The display control system of claim 11, wherein the signal processing device comprises a video matrix switch, the video matrix switch comprising a first input card, a first switch card, and a first output card, and a control card electrically connected to the first input card, the first switch card, and the first output card;
the first input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the first output card is connected with at least one display in the display array;
the first input card is used for receiving the video signal sent by the signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the first switching card to switch a video signal to the output card corresponding to the target display according to the display mapping relation;
the first output card is used for outputting a video signal to the target display.
13. The display control system according to claim 11, wherein the signal processing device comprises a tile processor, the tile processor comprising a second input card, a second switch card, and a second output card, and a control card electrically connected to the second input card, the second switch card, and the second output card;
the second input card is connected with at least one path of signal source equipment in multiple paths, the control card is connected with the control equipment, and the second output card is connected with at least one display in the display array;
the second input card is used for receiving the video signal sent by the signal source equipment;
the control card is used for receiving the display mapping relation sent by the control equipment and controlling the switching card to switch the video signal to the second output card corresponding to the target display according to the display mapping relation;
the second output card is used for outputting the video signal to the target display.
14. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of the preceding claims 1 to 10 are implemented by the processor when executing the computer program.
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| CN110850771A (en) * | 2019-11-11 | 2020-02-28 | 深圳市创凯智能股份有限公司 | Signal channel switching method, terminal device and computer readable storage medium |
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| US8659704B2 (en) * | 2005-12-20 | 2014-02-25 | Savant Systems, Llc | Apparatus and method for mixing graphics with video images |
| CN102547143A (en) * | 2012-01-13 | 2012-07-04 | 深圳市华泰敏信息技术有限公司 | Method and device for building mapping relation between outlet port of video switching equipment and displayer |
| CN103577131B (en) * | 2012-07-25 | 2017-02-01 | 浙江大华技术股份有限公司 | Method and device for transmitting video signal |
| CN105072360B (en) * | 2015-08-10 | 2018-05-11 | 杭州中威电子股份有限公司 | A kind of multi-screen splicing control display system and method |
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| CN106878630B (en) * | 2016-12-26 | 2020-12-04 | 同方工业信息技术有限公司 | Video signal switching method, control equipment and video signal transmission system |
| CN108399058B (en) * | 2018-03-09 | 2021-05-11 | 北京淳中科技股份有限公司 | Signal display control method and device |
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