CN114205538B - Picture display method and device - Google Patents
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- CN114205538B CN114205538B CN202111322285.7A CN202111322285A CN114205538B CN 114205538 B CN114205538 B CN 114205538B CN 202111322285 A CN202111322285 A CN 202111322285A CN 114205538 B CN114205538 B CN 114205538B
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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
- H04N5/268—Signal distribution or switching
Abstract
The embodiment of the invention provides a picture display method and a device, wherein the method comprises the following steps: when the audio and video guiding and broadcasting integrated machine receives at least one signal source, firstly determining pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal source; then, acquiring first size information of a picture of at least one signal source and second size information of a window; determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete; and then displaying the picture of at least one signal source in the window by adopting the target display layout information. Therefore, the rapid, accurate and automatic selection and display layout is realized.
Description
Technical Field
The invention relates to the technical field of audio and video guide and broadcasting integrated machines, in particular to a picture display method and device.
Background
The audio and video guiding and broadcasting integrated machine is a broadcasting and television new media device integrating multiple functions of studio multichannel signal guiding and broadcasting switching, hard disk recording, caption, tuning, streaming media release and the like. The multifunctional audio and video guide and broadcast integrated machine has excellent performances in the aspects of saving fund and manpower, simplifying use and connection, facilitating mobile recording and broadcasting, adapting to various scenes and the like. The audio-video guide-broadcasting integrated machine can be suitable for broadcasting, broadcasting television stations on campuses, live webcasting, industry audio-visual education and the like.
The audio and video guiding and broadcasting all-in-one machine can generally display pictures of a plurality of signal sources, and the pictures of the plurality of signal sources can be displayed in a window of the audio and video guiding and broadcasting all-in-one machine in a fixed layout, for example: four lattices 2 x 2, eight lattices 2 x 4, nine lattices 3*3, twelve lattices 3 x 4, sixteen lattices 4*4, and the like. When the display device is used, a user can select proper layout according to the number of the signal sources to display the pictures of the signal sources in the window.
However, the size of the frame of the signal source is generally consistent with the aspect ratio of the video system of the audio/video broadcasting-guiding all-in-one machine, and the aspect ratio of the video system may not be consistent with the aspect ratio of the window, which may further cause that the frame of the signal source cannot be fully covered with the window.
In order to be able to fill the window, the user can select the layout of the pictures of the signal sources displayed in the window by visual observation, but this way requires manual judgment, which is not intelligent enough; and the decision process may deviate, resulting in the selected layout being less than the optimal layout.
Disclosure of Invention
In view of the above problems, there is provided a picture display method and apparatus that overcomes or at least partially solves the above problems, including:
a picture display method is applied to an audio and video guide and broadcast integrated machine, the audio and video guide and broadcast integrated machine displays a window, and the window is preset with at least one display layout information, and the method comprises the following steps:
when at least one signal source is received, determining pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal sources;
acquiring first size information of a picture of at least one signal source and second size information of a window;
determining target display layout information from the pre-screening display layout information according to the number of signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete;
And displaying the picture of at least one signal source in the window by adopting the target display layout information.
Optionally, the display layout information includes a number of sub-windows, and determining the pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources includes:
determining the number of sub-windows of each display layout information;
and taking the display layout information with the number of the sub-windows not smaller than the number of the signal sources as pre-screening display layout information.
Optionally, determining the target display layout information from the pre-screened display layout information according to the number of signal sources, the first size information and the second size information includes:
determining third size information of the sub-windows in the pre-screening display layout information according to the number of the sub-windows and the second size information;
determining the maximum display height and the maximum display width of a picture of at least one signal source in a sub-window of the pre-screening display layout information according to the first size information and the third size information;
determining the display area of at least one signal source picture when the picture is displayed in a sub-window of the pre-screening display layout information according to the maximum display height and the maximum display width;
And taking the presiew display layout information with the largest display area as target display layout information.
Optionally, the first size information includes a first aspect ratio, the second size information includes a second aspect ratio, and the method further includes:
calculating a first ratio of the first aspect ratio to the number of signal sources, and judging whether the second aspect ratio is not smaller than the first ratio;
when the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window;
when the second aspect ratio is smaller than the first aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
Optionally, the first size information includes a first aspect ratio, the second size information includes a second aspect ratio, and the method further includes:
calculating a second ratio of the second aspect ratio to the number of signal sources, and judging whether the first aspect ratio is not smaller than the second ratio;
when the first aspect ratio is not smaller than the second ratio, the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
When the first aspect ratio is smaller than the second aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
Optionally, the method further comprises:
judging whether the number of the signal sources is 1;
when the number of signal sources is 1, the ratio of the number of the wide sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
when the number of signal sources is greater than 1, the step of determining pre-screen display layout information from at least one display layout information according to the number of signal sources of the received signal sources is performed.
Optionally, the first size information includes a first aspect ratio and the second size information includes a second aspect ratio; the method further comprises the steps of:
judging whether the number of the signal sources is 1;
when the number of signal sources is 1, the ratio of the number of the wide sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
when the number of the signal sources is larger than 1, calculating a first ratio of the first aspect ratio to the number of the signal sources, and judging whether the second aspect ratio is not smaller than the first ratio;
When the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window;
when the second aspect ratio is smaller than the first aspect ratio, calculating a second ratio of the second aspect ratio to the number of signal sources, and judging whether the first aspect ratio is not smaller than the second ratio;
when the first aspect ratio is not smaller than the second ratio, the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
when the first aspect ratio is smaller than the second aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
The embodiment of the invention also provides a picture display device which is applied to the audio and video guide and broadcast integrated machine, wherein the audio and video guide and broadcast integrated machine displays a window, and the window is preset with at least one display layout information, and the device comprises:
the first screening module is used for determining pre-screening display layout information from at least one display layout information according to the number of signal sources of the received signal sources when the at least one signal source is received;
The information acquisition module is used for acquiring first size information of a picture of at least one signal source and second size information of a window;
the second screening module is used for determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, and when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of the at least one signal source is the largest and the displayed pictures are complete;
and the display module is used for displaying the picture of at least one signal source in the window by adopting the target display layout information.
The embodiment of the invention also provides electronic equipment, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the picture display method when being executed by the processor.
The embodiment of the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program realizes the picture display method when being executed by a processor.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, when at least one signal source is received, the audio and video guide and broadcasting integrated machine determines pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal sources; then, acquiring first size information of a picture of at least one signal source and second size information of a window; determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete; and then displaying the picture of at least one signal source in the window by adopting the target display layout information. According to the embodiment of the invention, the audio/video guide and broadcasting integrated machine automatically selects the display layout according to the signal source and the window, so that the display layout is selected quickly, accurately and automatically in an intelligent manner; and the display layout is selected based on the sizes of the signal source and the window, so that the selected display layout can be ensured to be complete and maximum in displaying the picture of the signal source, and the accuracy of the selected display layout is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flowchart showing steps of a method for displaying a picture according to an embodiment of the present invention;
FIG. 2a is a diagram of target display layout information according to an embodiment of the present invention;
FIG. 2b is another target display layout information according to an embodiment of the present invention;
FIG. 2c is yet another target display layout information according to an embodiment of the present invention;
FIG. 3 is a flowchart showing steps of another method for displaying a frame according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating steps for outputting destination display layout information according to an embodiment of the present invention;
fig. 5 is a block diagram of a picture display device according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a step flow chart of a picture display method according to an embodiment of the present invention is shown, and the step flow chart is applied to an audio and video guiding and broadcasting all-in-one machine, wherein the audio and video guiding and broadcasting all-in-one machine displays a window, and the window is pre-provided with at least one display layout information;
specifically, the method may include the steps of:
step 101, when at least one signal source is received, determining pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal sources;
the window can refer to an area for displaying a picture of the signal source in the audio/video guide and broadcasting integrated machine; a plurality of sub-windows can be displayed in the window, and a picture of a signal source can be displayed in each sub-window.
The display layout information may refer to information of a display position of the sub-window in the window, for example: the display layout information is 2 x 2, and then it can be indicated that four sub-windows are displayed in the window; wherein the proportion of each sub-window in the window is the same.
The signal source may refer to an audio signal source or a video signal source, which is not limited in this embodiment of the present invention.
When the audio and video guiding and broadcasting all-in-one machine receives at least one signal source, the number of signal sources of all the currently received signal sources can be determined, for example: when 3 signal sources are received, the number of signal sources may be determined to be "3".
Then, the audio and video guiding and broadcasting all-in-one machine can initially screen out pre-screening display layout information capable of displaying all currently received signal sources from a plurality of display layout information preset for windows according to the number of the signal sources.
For example: the window is preset with 2×2, 2×4, 3*3, 3×4 and 4*4 of display layout information, and if the number of currently received signal sources is not 5, it may be determined that 2×4, 3*3, 3×4 and 4*4 are the pre-screening display layout information.
102, acquiring first size information of a picture of at least one signal source and second size information of a window;
after the audio and video guide and broadcasting all-in-one machine receives the signal sources and determines the number of the signal sources, the first size information of the pictures of the signal sources and the second size information of the windows can be obtained.
The first size information may refer to a size corresponding to a video format of the signal source, for example, an aspect ratio, a width, and a height. The second size information may refer to an aspect ratio, a width, a height, etc. of the window, and the comparison of the embodiment of the present invention is not limited.
Step 103, determining target display layout information from the pre-screening display layout information according to the number of signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete;
After the number of signal sources, the first size information and the second size information are obtained, the audio and video guide and broadcasting all-in-one machine can determine target display layout information from pre-screened display layout information obtained after preliminary screening based on the number of signal sources, the first size information and the second size information; the target display layout may refer to a case where a window may display a maximum area of a screen of a signal source while the screen of the signal source is being received is displayed, while ensuring complete display of the screen of the signal source.
For example: the pre-screening display layout information comprises 2 x 4, 3*3, 3 x 4 and 4*4, and the display area of the received signal source when the received signal source is completely displayed in 2 x 4 is 214m 2 When displayed in full in 3*3Display area is 98m 2 The display area at full display in 3×4 was 80m 2 The display area at the time of complete display in 4*4 was 78m 2 The method comprises the steps of carrying out a first treatment on the surface of the Then a 2 x 4 pre-screen display layout may be used as the target display layout.
The display areas of the pictures of the signal sources in each sub-window are the same, so that only the display area of one signal source in one sub-window is calculated; of course, this display area is the largest one in the case where the picture of the signal source can be kept displayed intact.
And 104, displaying at least one picture of the signal source in the window by adopting the target display layout information.
After the target display layout information is determined, a plurality of sub-windows may be displayed according to the target display layout information.
As shown in fig. 2a, a sub-window 220 displayed according to the target display layout information of 2×2 for the window 210, as shown in fig. 2b, a sub-window 220 displayed according to the target display layout information of 2×4 for the window 210, as shown in fig. 2c, a sub-window 220 displayed according to the target display layout information of 3*3 for the window 210.
Then, the audio and video guiding and broadcasting integrated machine can respectively display the picture of a signal source in a plurality of sub-windows displayed in the window; specifically, a screen of a signal source may be displayed in a sub-window.
In the embodiment of the invention, when at least one signal source is received, the audio and video guide and broadcasting integrated machine determines pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal sources; then, acquiring first size information of a picture of at least one signal source and second size information of a window; determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete; and then displaying the picture of at least one signal source in the window by adopting the target display layout information. According to the embodiment of the invention, the audio/video guide and broadcasting integrated machine automatically selects the display layout according to the signal source and the window, so that the display layout is selected quickly, accurately and automatically in an intelligent manner; and the display layout is selected based on the sizes of the signal source and the window, so that the selected display layout can be ensured to be complete and maximum in displaying the picture of the signal source, and the accuracy of the selected display layout is ensured.
Referring to fig. 3, a flowchart showing steps of another picture display method according to an embodiment of the present invention includes the steps of:
step 301, determining the number of sub-windows for displaying layout information when at least one signal source is received;
after receiving at least one signal source, the audio/video guiding and broadcasting integrated machine can firstly determine the number of a plurality of sub-windows which are preset for the windows and display layout information.
For example: the number of sub-windows of the display layout information of 2×4 is 8, the number of sub-windows of the display layout information of 3×3 is 9, the number of sub-windows of the display layout information of 3×4 is 12, and the number of sub-windows of the display layout information of 4×4 is 16.
Step 302, using display layout information with the number of sub-windows not less than the number of signal sources as pre-screening display layout information;
then, the audio and video guiding and broadcasting all-in-one machine can compare the number of sub-windows of each display layout information with the number of signal sources, and takes the display layout information with the number of sub-windows not less than the number of signal sources as pre-screening display layout information, so that all the currently received signal sources can be displayed in the window.
Step 303, acquiring first size information of a picture of at least one signal source and second size information of a window;
The first size information may include an aspect ratio (i.e., a ratio of a width to a height) of a video format of the signal source, and the aspect ratio is referred to as a first aspect ratio for convenience of distinction.
The second size information may include width information and height information of the window, and in particular, may include an aspect ratio of the window, which is taken as the second aspect ratio for convenience of distinction.
After the audio and video guide and broadcasting all-in-one machine receives the signal sources and determines the number of the signal sources, the first size information of the pictures of the signal sources and the second size information of the windows can be acquired.
Step 304, determining third size information of the sub-windows in the pre-screening display layout information according to the number of the sub-windows and the second size information;
after the second size information of the window is obtained, third size information of each sub-window may be determined according to the number of sub-windows of the pre-screen display layout information and the second size information if the window displays a plurality of sub-windows using one of the pre-screen display layout information. The third size information may include a width and a height of the sub-window, and may also include an aspect ratio of the sub-window, which is not limited in the embodiment of the present invention.
For example: if the number of sub-windows in one pre-screen display layout information is 8 and the second size information is 800×1000mm, the third size information of the sub-windows in the one pre-screen display layout information may be determined to be: (800/8) × (1000/8) mm=100×125mm.
Step 305, determining the maximum display height and the maximum display width of the picture of at least one signal source in the sub-window of the pre-screening display layout information according to the first size information and the third size information;
after determining the third size information of the sub-window, a maximum display width and a maximum display height of a picture of one signal source when the picture is completely displayed in the sub-window may be determined based on the first size information and the third size information.
For example: the first size information is aspect ratio: 6*9, the third size information is 100×125mmm, and then the maximum display width of one signal source when the signal source is completely displayed in the sub-window can be determined to be 83.34mm, and the maximum display height is determined to be 125mm.
The maximum display width and the maximum display height are obtained under the condition that the picture of the signal source can be completely displayed in the sub-window, the maximum display width is not larger than the width of the sub-window, and the maximum display height is not larger than the height of the sub-window.
Step 306, determining the display area of at least one signal source when the picture is displayed in the sub-window of the pre-screening display layout information according to the maximum display height and the maximum display width;
after the maximum display width and the maximum display height are obtained, the display area may be calculated based on the maximum display width and the maximum display height; for example: the maximum display width is 83.34mm, the maximum display height is 125mm, and the maximum display area of the picture of the signal source which can be completely displayed in the sub-window is 83.34mm 125 mm= 10417.5mm 2 。
Step 307, taking the pre-screening display layout information with the largest display area as target display layout information;
after the display area of the screen of the signal source in each sub-window of the pre-screen display layout information is determined, the pre-screen display layout information with the largest display area can be determined from the display area and used as target display layout information.
For example: the pre-screening display layout has 2 x 2, 2 x 4, 3*3, 4*4; the maximum display area of the picture of the signal source which can be completely displayed in the sub-window of 2 x 2 is 1000mm 2 The maximum display area that can be completely displayed in the 2 x 4 sub-window is 800mm 2 The maximum display area which can be completely displayed in the sub-window of 3*3 is 600mm 2 The maximum display area which can be completely displayed in the sub-window of 4*4 is 500mm 2 Then a 2 x 2 pre-screen display layout may be used as the target display layout.
And 308, displaying the picture of at least one signal source in the window by adopting the target display layout information.
After the target display layout information is determined, a plurality of sub-windows may be displayed according to the target display layout information.
Meanwhile, the pictures of one signal source can be respectively displayed in a plurality of sub-windows displayed in the window; specifically, a screen of a signal source may be displayed in a sub-window.
In one embodiment of the present invention, the following sub-steps may be performed prior to performing step 302:
step 11, calculating a first ratio of the first aspect ratio to the number of signal sources, and judging whether the second aspect ratio is not smaller than the first ratio;
in practical application, the window may be of a relatively long type, and in this case, if a plurality of rows of display layout information are adopted in the window, the display area of the screen of the signal source may be smaller; therefore, it can be determined in advance whether the window is of a longer type.
Specifically, a first ratio of the first aspect ratio of the display layout information to the number of signal sources may be calculated first, and it is determined whether the second aspect ratio of the window is not smaller than the first ratio.
Sub-step 12, when the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window;
if the second aspect ratio is not smaller than the first aspect ratio, it may indicate that the window of the audio/video director is of a relatively long type, and at this time, at least one currently received signal source may be displayed in a vertical row, for example: the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be used as the number of signal sources: 1 to display the currently received picture of at least one signal source in the window.
Of course, if there is no broadside sub-window number to Gao Bianzi window number ratio is the number of signal sources: 1, the ratio of the number of wide sub-windows to the number of Gao Bianzi windows may be m:1 to display a picture of at least one currently received signal source in a window. Wherein m is an integer greater than the number of signal sources.
Sub-step 13, when the second aspect ratio is smaller than the first aspect ratio, performing the step of determining pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
If the second aspect ratio is smaller than the first aspect ratio, it may indicate that the window of the audio/video director is not of a relatively long type, at which time steps 302-307 may be continued to determine the target display layout information.
In another embodiment of the present invention, the following sub-steps may also be performed prior to performing step 302:
a substep 21 of calculating a second ratio of the second aspect ratio to the number of signal sources, and determining whether the first aspect ratio is not smaller than the second ratio;
in practical application, the window may be of a relatively high type, and in this case, if multiple columns of display layout information are adopted in the window, the display area of the screen of the signal source may be smaller; therefore, it can be determined in advance whether the window is of a higher type.
Specifically, a second ratio of the second aspect ratio of the display layout information to the number of signal sources may be calculated first, and it is determined whether the first aspect ratio of the window is not smaller than the second ratio.
In the substep 22, when the first aspect ratio is not smaller than the second aspect ratio, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
If the first aspect ratio is not smaller than the second aspect ratio, it may indicate that the window of the audio/video director is of a relatively high type, and at this time, at least one currently received signal source may be displayed in a horizontal manner, for example: a ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of 1 may be employed: and displaying the display layout information corresponding to the number of the signal sources to display the currently received picture of at least one signal source in the window.
Of course, if there is no broadside sub-window number to Gao Bianzi window number ratio is 1: if the number of signal sources is used for displaying information, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be 1: n to display a currently received picture of at least one signal source in a window. Wherein n is an integer greater than the number of signal sources.
Sub-step 23, when the first aspect ratio is smaller than the second aspect ratio, performing the step of determining pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
If the first aspect ratio is smaller than the second aspect ratio, it may indicate that the window of the audio/video director is not of a relatively high type, at which point steps 302-307 may be continued to determine the target display layout information.
In yet another embodiment of the present invention, the following sub-steps may also be performed prior to performing step 302:
step 31, judging whether the number of signal sources is 1;
in practical application, if the number of signal sources is 1, the frame of the signal source may be directly displayed in the window, that is, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be directly 1:1 to display the picture of the signal source.
Therefore, it is possible to determine whether the number of signal sources is 1 first after the number of signal sources is obtained.
In the substep 32, when the number of signal sources is 1, the ratio of the number of the wide-edge sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
when the number of signal sources is 1, it may indicate that only one screen needs to be displayed in the window at this time; therefore, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be directly employed as 1: and 1, displaying the corresponding display layout information, and displaying at least one picture of the signal source on the window.
Sub-step 33, when the number of signal sources is greater than 1, the step of determining pre-screening display layout information from at least one display layout information according to the number of signal sources of the received signal sources is performed.
When the number of signal sources is not 1, it may indicate that at least two frames of signal sources need to be displayed in the window at this time, and at this time, steps 302 to 307 may be continuously performed to determine the target display layout information.
In yet another embodiment of the present invention, the following sub-steps may also be performed prior to performing step 302:
step 41, judging whether the number of signal sources is 1;
the audio and video guiding and broadcasting all-in-one machine can judge whether the number of the signal sources is 1 or not after the number of the signal sources is obtained.
In the substep 42, when the number of signal sources is 1, the ratio of the number of wide-edge sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
when the number of signal sources is 1, it may indicate that only one screen needs to be displayed in the window at this time; therefore, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be directly employed as 1: and 1, displaying the corresponding display layout information, and displaying at least one picture of the signal source on the window.
Step 43, when the number of signal sources is greater than 1, calculating a first ratio of the first aspect ratio to the number of signal sources, and judging whether the second aspect ratio is not smaller than the first ratio;
When the number of the signal sources is not 1, it may indicate that at least two frames of the signal sources need to be displayed in the window at this time, a first ratio of a first aspect ratio of the signal sources to the number of the signal sources may be calculated, and whether the second aspect ratio of the window is not less than the first ratio may be determined, so as to determine whether the window of the audio/video guiding and broadcasting all-in-one machine belongs to a relatively long type.
Substep 44, when the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window;
if the second aspect ratio is not smaller than the first aspect ratio, it may indicate that the window of the audio/video director is of a relatively long type, and at this time, a plurality of currently received signal sources may be displayed in a vertical row, for example: the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be used as the number of signal sources: 1 to display the currently received picture of at least one signal source in the window.
A substep 45, calculating a second ratio of the second aspect ratio to the number of signal sources when the second aspect ratio is smaller than the first ratio, and determining whether the first aspect ratio is not smaller than the second ratio;
If the second aspect ratio is smaller than the first aspect ratio, the window of the audio and video guiding and broadcasting integrated machine can be indicated not to be of a relatively long type, and at the moment, whether the window of the audio and video guiding and broadcasting integrated machine is of a relatively high type can be judged; specifically, a second ratio of the second aspect ratio of the window to the number of signal sources may be calculated, and it may be determined whether the first aspect ratio of the signal sources is not less than the second ratio.
Sub-step 46, when the first aspect ratio is not smaller than the second ratio, using the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information;
if the first aspect ratio is not smaller than the second aspect ratio, it may indicate that the window of the audio/video director is of a relatively high type, and at this time, a plurality of currently received signal sources may be displayed in a horizontal row manner, for example: a ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of 1 may be employed: and displaying the display layout information corresponding to the number of the signal sources to display the currently received picture of at least one signal source in the window.
Sub-step 47, when the first aspect ratio is smaller than the second aspect ratio, the step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
If the first aspect ratio is smaller than the second aspect ratio, it may indicate that the window of the audio/video director is not of a relatively high type, at this time, the step of determining the pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources may be continued to determine the target display layout information.
As shown in fig. 4: after the first size information of the signal sources, the second size information of the window and the number of the signal sources are obtained, whether the number of the signal sources is 1 can be judged;
if so, the ratio of the number of the wide sub-windows to the number of the Gao Bianzi windows is directly 1:1 as target display layout information, and outputting the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of the target display layout information;
if not, judging whether the window is of a longer type, specifically, determining by calculating a first ratio of the first aspect ratio to the number of signal sources and judging whether the second aspect ratio is not smaller than the first ratio;
when the second aspect ratio is not smaller than the first ratio, the window may be determined to be of a longer type, and the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows may be 1: the display layout information of the number of signal sources is used as target display layout information, and the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of the target display layout information is output;
When the second aspect ratio is smaller than the first aspect ratio, it can be further judged whether the window is of a higher type; specifically, the method can be determined by calculating a second ratio of the second aspect ratio to the number of signal sources and judging whether the first aspect ratio is not smaller than the second ratio;
when the first aspect ratio is not smaller than the second ratio, the window may be determined to be of a higher type, and at this time, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows may be the number of signal sources: 1 as target display layout information, and outputting the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of the target display layout information;
when the first aspect ratio is smaller than the second ratio, it can be determined that the window is not of a higher type, at this time, the pre-screen display layout information can be determined from at least one display layout information according to the number of signal sources of the received signal sources, and then the largest display area of the sub-window in the complete display of the picture of the signal source in each pre-screen display layout information is calculated according to the first size information of the signal source, the second size information of the window and the number of the signal sources;
then, the presieve display layout information with the largest display area in all presieve display layout information is taken as target display layout information, and the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows of the target display layout information is output.
In the embodiment of the invention, when the audio/video guiding and broadcasting integrated machine receives at least one signal source, the number of sub-windows for displaying layout information can be determined firstly; then, display layout information with the number of sub-windows not smaller than the number of signal sources is used as pre-screening display layout information; acquiring first size information of a picture of at least one signal source and second size information of windows, and determining third size information of sub-windows in the pre-screening display layout information according to the number of the sub-windows and the second size information; determining the maximum display height and the maximum display width of a picture of at least one signal source in a sub-window of the pre-screening display layout information according to the first size information and the third size information; determining the display area of at least one signal source picture when the picture is displayed in a sub-window of the pre-screening display layout information according to the maximum display height and the maximum display width; taking the presieast display layout information with the largest display area as target display layout information; and displaying the picture of at least one signal source in the window by adopting the target display layout information. According to the embodiment of the invention, the audio/video guide and broadcasting integrated machine automatically selects the display layout according to the signal source and the window, so that the display layout is selected quickly, accurately and automatically in an intelligent manner; and the display layout is selected based on the sizes of the signal source and the window, so that the selected display layout can be ensured to be complete and maximum in displaying the picture of the signal source, and the accuracy of the selected display layout is ensured.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred embodiments, and that the acts are not necessarily required by the embodiments of the invention.
Referring to fig. 5, a schematic structural diagram of a picture display device according to an embodiment of the present invention is shown, and the picture display device is applied to an audio/video guiding and broadcasting all-in-one machine, where the audio/video guiding and broadcasting all-in-one machine displays a window, and the window is preset with at least one display layout information;
specifically, the method can comprise the following modules:
a first filtering module 501, configured to determine, when at least one signal source is received, pre-screening display layout information from at least one display layout information according to the number of signal sources of the received signal source;
an information obtaining module 502, configured to obtain first size information of a picture of at least one signal source, and second size information of a window;
A second filtering module 503, configured to determine, according to the number of signal sources, the first size information and the second size information, target display layout information from the pre-screened display layout information, where when the target display layout information displays a picture of at least one signal source, a display area of the picture of the at least one signal source is the largest and the displayed picture is complete;
and a display module 504, configured to display a frame of at least one signal source in the window using the target display layout information.
In one embodiment of the present invention, the display layout information includes the number of sub-windows, and the first filtering module 501 includes:
the sub-window number determining sub-module is used for determining the number of sub-windows of each display layout information;
and the pre-screening module is used for taking the display layout information with the number of the sub-windows not smaller than that of the signal sources as pre-screening display layout information.
In an embodiment of the present invention, the second screening module 503 includes:
the size information determining sub-module is used for determining third size information of the sub-windows in the pre-screening display layout information according to the number of the sub-windows and the second size information;
the width and height calculation sub-module is used for determining the maximum display height and the maximum display width of the picture of at least one signal source in a sub-window of the pre-screening display layout information according to the first size information and the third size information;
Determining the display area of at least one signal source picture when the picture is displayed in a sub-window of the pre-screening display layout information according to the maximum display height and the maximum display width;
and taking the presiew display layout information with the largest display area as target display layout information.
In an embodiment of the invention, the first size information comprises a first aspect ratio and the second size information comprises a second aspect ratio, the apparatus further comprising:
the third screening module is used for calculating a first ratio of the first aspect ratio to the number of signal sources and judging whether the second aspect ratio is not smaller than the first ratio; when the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window; when the second aspect ratio is smaller than the first aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
In an embodiment of the invention, the first size information comprises a first aspect ratio and the second size information comprises a second aspect ratio, the apparatus further comprising:
A fourth screening module, configured to calculate a second ratio of the second aspect ratio to the number of signal sources, and determine whether the first aspect ratio is not less than the second ratio; when the first aspect ratio is not smaller than the second ratio, the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information; when the first aspect ratio is smaller than the second aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
In one embodiment of the present invention, the apparatus further comprises:
the fifth screening module is used for judging whether the number of the signal sources is 1; when the number of signal sources is 1, the ratio of the number of the wide sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information; when the number of signal sources is greater than 1, the step of determining pre-screen display layout information from at least one display layout information according to the number of signal sources of the received signal sources is performed.
In an embodiment of the invention, the first size information comprises a first aspect ratio and the second size information comprises a second aspect ratio; the apparatus further comprises:
The sixth screening module is used for judging whether the number of the signal sources is 1; when the number of signal sources is 1, the ratio of the number of the wide sub-windows to the number of Gao Bianzi windows is 1:1, displaying at least one picture of a signal source on a window according to the corresponding display layout information; when the number of the signal sources is larger than 1, calculating a first ratio of the first aspect ratio to the number of the signal sources, and judging whether the second aspect ratio is not smaller than the first ratio; when the second aspect ratio is not smaller than the first ratio, the ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying layout information corresponding to the number of the signal sources, and displaying at least one picture of the signal sources on a window; when the second aspect ratio is smaller than the first aspect ratio, calculating a second ratio of the second aspect ratio to the number of signal sources, and judging whether the first aspect ratio is not smaller than the second ratio; when the first aspect ratio is not smaller than the second ratio, the ratio of the number of wide-side sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying at least one picture of a signal source on a window according to the corresponding display layout information; when the first aspect ratio is smaller than the second aspect ratio, a step of determining pre-screened display layout information from the at least one display layout information according to the number of signal sources of the received signal sources is performed.
In the embodiment of the invention, when at least one signal source is received, the audio and video guide and broadcasting integrated machine determines pre-screening display layout information from at least one display layout information according to the number of the signal sources of the received signal sources; then, acquiring first size information of a picture of at least one signal source and second size information of a window; determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of at least one signal source, the display area of the pictures of at least one signal source is the largest and the displayed pictures are complete; and then displaying the picture of at least one signal source in the window by adopting the target display layout information. According to the embodiment of the invention, the audio/video guide and broadcasting integrated machine automatically selects the display layout according to the signal source and the window, so that the display layout is selected quickly, accurately and automatically in an intelligent manner; and the display layout is selected based on the sizes of the signal source and the window, so that the selected display layout can be ensured to be complete and maximum in displaying the picture of the signal source, and the accuracy of the selected display layout is ensured.
The embodiment of the invention also provides electronic equipment, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the picture display method when being executed by the processor.
The embodiment of the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program realizes the picture display method when being executed by a processor.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention 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 invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention 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 invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, 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 apparatus 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 apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus 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 invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has described in detail a method and apparatus for displaying pictures, and specific examples have been provided herein to illustrate the principles and embodiments of the present invention, the above examples being provided only to assist in understanding the method and core ideas of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (9)
1. The method is characterized by being applied to an audio and video guide and broadcast all-in-one machine, wherein the audio and video guide and broadcast all-in-one machine displays a window, and the window is preset with at least one display layout information, and the method comprises the following steps:
when at least one signal source is received, determining pre-screening display layout information from the at least one display layout information according to the number of the signal sources of the received signal sources;
acquiring first size information of a picture of the at least one signal source and second size information of the window;
determining target display layout information from the pre-screening display layout information according to the number of signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of the at least one signal source, the display area of the pictures of the at least one signal source is maximum and the displayed pictures are complete;
Displaying a picture of the at least one signal source in the window by adopting the target display layout information;
wherein the first size information includes a first aspect ratio and the second size information includes a second aspect ratio, the method further comprising:
calculating a first ratio of the first aspect ratio to the number of signal sources, and determining whether the second aspect ratio is not less than the first ratio;
when the second aspect ratio is not smaller than the first ratio, a ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying the display layout information corresponding to the number of the signal sources, and displaying the pictures of at least one signal source in the window;
and when the second aspect ratio is smaller than the first aspect ratio, performing the step of determining pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
2. The method of claim 1, wherein the display layout information includes a number of sub-windows, and wherein determining the pre-screened display layout information from the at least one display layout information based on the number of signal sources of the received signal sources includes:
Determining the number of sub-windows of each display layout information;
and taking the display layout information with the number of the sub-windows not smaller than the number of the signal sources as the pre-screening display layout information.
3. The method of claim 2, wherein said determining target display layout information from said pre-screened display layout information based on said number of signal sources, said first size information and said second size information comprises:
determining third size information of the sub-windows in the pre-screening display layout information according to the number of the sub-windows and the second size information;
determining the maximum display height and the maximum display width of the picture of the at least one signal source in a sub-window of the pre-screening display layout information according to the first size information and the third size information;
determining the display area of the picture of the at least one signal source when the picture is displayed in the sub-window of the pre-screening display layout information according to the maximum display height and the maximum display width;
and taking the presiew display layout information with the largest display area as the target display layout information.
4. A method according to any of claims 1-3, wherein the first size information further comprises a first aspect ratio and the second size information further comprises a second aspect ratio, the method further comprising:
Calculating a second ratio of the second aspect ratio to the number of signal sources, and determining whether the first aspect ratio is not less than the second ratio;
when the first aspect ratio is not smaller than the second ratio, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying the picture of the at least one signal source on the window;
and when the first aspect ratio is smaller than the second ratio, performing the step of determining pre-screen display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
5. A method according to any one of claims 1-3, wherein the method further comprises:
judging whether the number of the signal sources is 1;
when the number of the signal sources is 1, the ratio of the number of the wide sub-windows to the number of the Gao Bianzi windows is 1:1, displaying the picture of the at least one signal source on the window;
and when the number of the signal sources is greater than 1, executing the step of determining pre-screening display layout information from the at least one display layout information according to the number of the signal sources of the received signal sources.
6. A method according to any of claims 1-3, wherein the first size information further comprises a first aspect ratio and the second size information further comprises a second aspect ratio; the method further comprises the steps of:
judging whether the number of the signal sources is 1;
when the number of the signal sources is 1, the ratio of the number of the wide sub-windows to the number of the Gao Bianzi windows is 1:1, displaying the picture of the at least one signal source on the window;
when the number of the signal sources is larger than 1, calculating a first ratio of the first aspect ratio to the number of the signal sources, and judging whether the second aspect ratio is not smaller than the first ratio;
when the second aspect ratio is not smaller than the first ratio, a ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying the display layout information corresponding to the number of the signal sources, and displaying the pictures of at least one signal source in the window;
when the second aspect ratio is smaller than the first aspect ratio, calculating a second ratio of the second aspect ratio to the number of signal sources, and judging whether the first aspect ratio is not smaller than the second ratio;
when the first aspect ratio is not smaller than the second ratio, the ratio of the number of broadside sub-windows to the number of Gao Bianzi windows is adopted as the number of signal sources: 1, displaying the picture of the at least one signal source on the window;
And when the first aspect ratio is smaller than the second ratio, performing the step of determining pre-screen display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
7. The utility model provides a picture display device which characterized in that is applied to audio and video and leads and broadcast the all-in-one, audio and video leads and broadcast the all-in-one and shows a window, the window has preset at least one kind and shows layout information, the device includes:
the first screening module is used for determining pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources when the at least one signal source is received;
the information acquisition module is used for acquiring first size information of a picture of the at least one signal source and second size information of the window;
the second screening module is used for determining target display layout information from the pre-screening display layout information according to the number of the signal sources, the first size information and the second size information, wherein when the target display layout information displays the pictures of the at least one signal source, the display area of the pictures of the at least one signal source is the largest and the displayed pictures are complete;
A display module, configured to display a frame of the at least one signal source in the window using the target display layout information;
wherein the first size information includes a first aspect ratio and the second size information includes a second aspect ratio, the apparatus further comprising:
a third screening module, configured to calculate a first ratio of the first aspect ratio to the number of signal sources, and determine whether the second aspect ratio is not less than the first ratio; when the second aspect ratio is not smaller than the first ratio, a ratio of the number of wide side sub-windows to the number of Gao Bianzi windows is 1: displaying the display layout information corresponding to the number of the signal sources, and displaying the pictures of at least one signal source in the window; and when the second aspect ratio is smaller than the first aspect ratio, performing the step of determining pre-screening display layout information from the at least one display layout information according to the number of signal sources of the received signal sources.
8. An electronic device comprising a processor, a memory and a computer program stored on the memory and capable of running on the processor, which when executed by the processor implements the picture display method according to any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the picture display method according to any one of claims 1 to 6.
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