CN102695034A - Method and device for regulating end display of video image during video call - Google Patents
Method and device for regulating end display of video image during video call Download PDFInfo
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Abstract
The invention discloses a method and a device for regulating end display of a video image during a video call, which is used for achieving the accurate present of a video image display window during the video call. During the video call, when the screen of a terminal rotates, the terminal acquires own rotation angle data and an own vide image respectively via a gravitation sensor and a camera, corrects the own video image according to the rotation angle data, and sends the corrected video image to an end video call tool for display, thus when the screen of a terminal held by a user, the end video image display window remains relative to the visual line of an end user, and the video image display window is accurately presented during the video call.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for adjusting display of a video image at an opposite terminal in a video call.
Background
With the development of communication technology, especially the emergence of 3G communication technology, the variety of terminals is in a diversified trend, and a terminal which transmits image and speech signals of both parties of a call in real time has been widely used due to the characteristic that the terminal can 'hear the sound of the terminal and see the people' in the call process.
The terminal for real-time transmission of image and speech signals of both parties of a call is basically composed of a call device, a camera device, an image receiving and displaying device and a controller. The communication equipment of the terminal is used for realizing a communication function; the camera equipment of the terminal is used for realizing the function of shooting images of both parties of the local terminal call and transmitting the images to the opposite terminal of the call; the image receiving and displaying device and the controller of the terminal are used for receiving image signals of the opposite end of the call and displaying images of the opposite end on a video image display window of a screen.
At present, in the process of a video call, when a terminal rotates, a home video image display window presented in a screen also rotates along with the rotation of the terminal, namely, the home video image display window presented in the screen does not rotate relative to the sight of a home user, but when the terminal sends an acquired home video image to an opposite terminal for display, the video image display window at the opposite terminal rotates relative to the sight of the opposite terminal user, namely, a presentation error is found, so that the use of the user is seriously influenced.
Disclosure of Invention
The embodiment of the invention provides a method and a device for adjusting the display of a video image at an opposite end in a video call, which are used for realizing the accurate presentation of a video image display window in the video call process.
The embodiment of the invention provides the following specific technical scheme:
a method of adjusting a video image display window in a video call, comprising:
in the state of establishing a video call, when a screen of a terminal rotates, the terminal obtains the rotation angle of the screen in a gravity sensing mode;
and the terminal corrects the local video image based on the rotation angle and sends the corrected video image to the opposite terminal for displaying.
An apparatus for adjusting a video image display window in a video call, comprising:
the terminal comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring the rotation angle of a screen in a gravity sensing mode when the screen of the terminal rotates in the state of establishing a video call;
and the processing unit is used for correcting the local video image by the terminal based on the rotation angle and sending the corrected video image to the opposite terminal for displaying.
In the embodiment of the invention, in the video call process, when the screen of the terminal rotates, the terminal corrects the video image of the terminal according to the rotation angle data of the terminal reported by the gravity sensor and sends the corrected video image to the opposite terminal for displaying, so that when the screen of the terminal held by a user rotates, the video display image display window of the user at the opposite terminal keeps unchanged relative to the sight line of the user at the opposite terminal, and the accurate presentation of the video image display window in the video call process is realized.
Drawings
FIG. 1 is a functional block diagram of a visual communication tool according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a process of the video call tool enlarging a video image display window to a full screen state during a video call according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a video call tool screen simultaneously presenting an opposite-end video image display window and a home-end video image display window during a video call in an embodiment of the present invention;
fig. 4A is a schematic diagram illustrating that a video call tool displays an opposite-end video image display window in a full screen and closes a home-end video image display window in a video call according to the embodiment of the present invention;
fig. 4B is a schematic diagram illustrating that the video call tool displays the opposite-end video image display window in a full screen and embeds the home-end video image display window in the full screen in the video call according to the embodiment of the present invention;
FIG. 5A is a diagram illustrating an exemplary adjustment of a video image display window by sliding expansion during a video call according to an embodiment of the present invention;
FIG. 5B is a diagram illustrating an exemplary adjustment of a video image display window by sliding and contracting during a video call according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a process of dragging a video image display window to any area of a screen for displaying in a video call according to an embodiment of the present invention;
FIG. 7A is a diagram of video image display windows of a home terminal and an opposite terminal when the visual call tool is rotated and the home terminal image data is not modified according to an embodiment of the present invention;
FIG. 7B is a diagram illustrating video image display windows of the local terminal and the peer terminal when the visual call tool is rotated and the local terminal image data is modified according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating a process of sending the modified rotated image data to the opposite end for displaying in a video call according to an embodiment of the present invention.
Detailed Description
In order to accurately present a video image display window in a video call process, in the embodiment of the invention, in the video call process, a terminal acquires rotation angle data of a home terminal through a gravity sensor, acquires a video image of the home terminal through camera equipment, corrects the video image of the home terminal according to the rotation angle data, and sends the corrected video image to an opposite-end video call tool for display, so that the video image of the terminal which rotates does not rotate in the video image display window of an opposite-end screen, and the accurate presentation of the video image of the terminal which rotates in the video image display window of the opposite-end screen is realized.
In the following, a terminal is taken as an example of a video call tool, and a preferred embodiment of the present invention is described in detail with reference to the drawings in the specification, it should be understood that the preferred embodiment described herein is only used for illustrating and explaining the present invention, and is not used to limit the present invention, and features in the embodiments and examples in the present application may be combined with each other without conflict.
Referring to fig. 1, in the embodiment of the present invention, the visual call tool includes an obtaining unit 10 and a processing unit 11, wherein,
the terminal comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring the rotation angle of a screen in a gravity sensing mode when the screen of the terminal rotates in the state of establishing a video call;
and the processing unit is used for correcting the local video image by the terminal based on the rotation angle and sending the corrected video image to the opposite terminal for displaying.
Based on the above technical solution, referring to fig. 2, in the embodiment of the present invention, a detailed flow of adjusting a video image display window in a video call process is as follows:
step 200: and under the states that the video call tool establishes a call and starts a camera shooting function, the video call tool detects that a user clicks a video image display window of a screen of the terminal.
In the embodiment of the present invention, when the screen of the video call tool displays the home terminal video image and the peer terminal video image simultaneously, as shown in fig. 3, the user can adjust the peer terminal video image display window and also adjust the home terminal video image display window. If a user wants to amplify the opposite-end video image display window, the user can click the opposite-end video image display window, the video call tool can amplify the opposite-end video image display window to be in a full-screen state, and meanwhile, the home-end video image display window which is not clicked needs to be closed, as shown in fig. 4A specifically, or the home-end video image display window which is not clicked is embedded into the opposite-end video image display window which is amplified to be in the full-screen state, as shown in fig. 4B specifically; if a user wants to amplify the local video image display window, the user can click the local video image display window, the video call tool can amplify the local video image display window to be in a full-screen state, meanwhile, the opposite-end video image display window which is not clicked needs to be closed, or the opposite-end video image display window which is not clicked is embedded into the local video image display window which is amplified to be in the full-screen state, wherein the user can click the local video image display window in a double-click mode, a sliding expansion mode or a sliding contraction mode.
Further, by clicking the video image display window enlarged to the full-screen state, the video image display window enlarged to the full-screen state can be restored to the initial state, and simultaneously, the video image display window at the other end can be displayed again, namely, the local video image display window and the opposite-end video image display window are simultaneously displayed in the screen. For example, when a video image display window presented on the screen of the video call tool is an opposite-end video image display window enlarged to a full-screen state, clicking the opposite-end video image display window can present the opposite-end video image display window restored to an initial state and present the local-end video image display window again in the screen of the video call tool; when the video image display window presented on the video call tool is the home terminal video image display window which is enlarged to the full screen state, the home terminal video image display window is clicked, and the home terminal video image display window which is restored to the initial state and the opposite terminal video image display window can be presented again in the screen of the video call tool.
Step 210: and when the visual call tool determines that the clicking behavior of the user meets the preset condition, further determining the clicked video image display window.
In the embodiment of the present invention, the condition set for the click behavior of the user may be that the user operates the video image display window in a double-click manner, or that the user operates the video image display window in a sliding expansion manner (specifically, as shown in fig. 5A) or a sliding contraction manner (specifically, as shown in fig. 5B).
In the embodiment of the present invention, in order to avoid the adjustment of the video image display window due to the clicking of the video image display window on the screen of the video call tool by the misoperation, preferably, after the video call tool detects that the user clicks the video image display window, the video call tool prompts the user in the form of an operation interface whether to determine to adjust the video image display window, wherein the options of the operation interface are "yes" and "no". Under the condition that the user further clicks 'yes', the video call tool amplifies the clicked video image display window to be in a full-screen state, and closes the video image display window which is not clicked by the user, or embeds the video image display window which is not clicked by the user into the video image display window which is amplified to be in the full-screen state; in the case where the user further clicks "no", no processing is performed.
For example, in a state that a screen of a video call tool simultaneously presents an opposite-end video image display window and a home-end video image display window, when the video call tool detects that a user clicks the opposite-end video image display window, the video call tool prompts the user in an operation interface mode whether to determine to adjust the opposite-end video image display window, if the user further clicks a yes option, the opposite-end video image display window is enlarged to a full-screen state, and the home-end video image display window which is not clicked by the user is closed, or the home-end video image display window which is not clicked by the user is embedded into the opposite-end video image display window which is enlarged to the full-screen state; if the user further clicks on the "no" option, no processing is done.
For example, in a state that a screen of a video call tool simultaneously presents an opposite-end video image display window and a home-end video image display window, when the video call tool detects that a user clicks the home-end video image display window, the video call tool prompts the user in an operation interface mode whether to determine to adjust the home-end video image display window, if the user further clicks a yes option, the home-end video image display window is directly amplified to a full-screen state, and the opposite-end video image display window which is not clicked by the user is closed, or the opposite-end video image display window which is not clicked by the user is embedded into the home-end video image display window which is amplified to the full-screen state; if the user further clicks on the "no" option, no processing is done.
For another example, when the screen of the video call tool presents a state that the video image display window of the opposite terminal is enlarged to the full screen, when the video call tool detects that the user clicks the video image display window of the opposite terminal, the video call tool prompts the user in the form of an operation interface whether to determine to adjust the video image display window of the opposite terminal, and if the user further clicks a "yes" option, the state of simultaneously displaying the video image display window of the local terminal and the video image display window of the opposite terminal is restored in the screen of the video call tool; if the user further clicks on the "no" option, no processing is done. And under the condition that the screen of the video communication tool presents that the home terminal video image display window is enlarged to the full screen state, the step of reducing the home terminal video image display window is the same as the above, and the description is not repeated.
Step 220: and the video call tool adjusts the clicked video image display window.
And under the condition that the screen of the video call tool simultaneously presents the opposite-end video image display window and the local-end video image display window, the user clicks the opposite-end video image display window or the local-end video image display window, and the video call tool amplifies the corresponding clicked video image display window in the screen to be in a full-screen state and presents the video image display window to the user.
Further, in a state where the opposite-end video image display window or the home-end video image display window enlarged to the full-screen state is presented in the screen of the video call tool, the user clicks the opposite-end video image display window or the home-end video image display window enlarged to the full-screen state, and the video call tool reduces the video image display window enlarged to the full-screen state in the screen and converts to a state where the opposite-end video image display window and the home-end video image display window are presented simultaneously.
In the prior art, in the process of video communication, no matter an opposite-end video image display window or a local-end video image display window is used, the display positions of the opposite-end video image display window and the local-end video image display window on a screen are fixed, and a user cannot adjust the position of the video image display window in the screen.
Further, in order to better achieve user experience, in the embodiment of the present invention, when an operation behavior of a user meets a certain condition (for example, a duration of clicking a video image display window by the user exceeds a set threshold), the video call tool may adjust a position of the video image display window in the screen according to a dragging operation of the user, and move the video image display window to any area in the screen, where a specific execution process is shown in fig. 6, and includes the following steps:
step 600: and under the states that the video call tool establishes a call and starts the camera shooting function, when the video call tool detects that the time for dragging the video image display window by the user accords with a certain condition, starting the moving function of the video image display window, and moving the video image to any area in the screen according to the dragging action of the user.
In the embodiment of the invention, under the condition that the screen of the visual call tool simultaneously presents the opposite-end video image display window and the home-end video image display window, the visual call tool can move the home-end video image display window to any region in the screen according to the operation behavior of a user and can also move the opposite-end video image display window to any region in the screen according to the operation behavior of the user, wherein in the moving process of the video image display window, if the visual call tool detects that the home-end video image display window and the opposite-end video image display window have an overlapped region, the region where the home-end video image display window and the opposite-end video image display window are initially located is directly exchanged.
Step 610: after the visual call tool detects that a user drags the video image display window to a certain area in the screen, coordinate position information of the area is obtained, and the video image display window is refreshed in the area corresponding to the coordinate position information.
Under the prior art, for the visual call tool supporting the gravity sensor, after the visual call tool is rotated by a user by a certain angle, the visual call tool transmits a local video image to an opposite-end visual call tool, and a video image display window in a screen of the opposite-end visual call tool rotates relative to the sight of the opposite-end user, as shown in fig. 7A, so that the use of the user is seriously influenced.
Further, in order to accurately present a video image display window in a video call process, in the embodiment of the present invention, for a video call tool supporting a gravity sensor, when the video call tool is rotated by a certain angle by a user, the video call tool corrects the local video image display window through data uploaded by the local gravity sensor, so that after a local video image is transmitted to an opposite-end video call tool, a corresponding video image display window does not rotate in a screen of the opposite-end video call tool, that is, a line of sight of the opposite-end user does not change. The specific implementation process is shown in fig. 8, and includes the following steps:
step 800: and under the states that the visual communication tool establishes communication and starts the camera shooting function, the visual communication tool acquires the rotation angle data and the video image of the home terminal.
The video call tool acquires video image data of a local user through the camera equipment of the local, and acquires the rotation angle data of the video call tool through the gravity sensor of the local. The gravity sensor can sense acceleration changes of X, Y, Z three direction axes where the visual communication tool is located, wherein the X, Y, Z direction is defined by taking the lower right foot of the visual communication tool which is horizontally placed as the origin of coordinates of a reference system, the X direction is the horizontal direction of the visual communication tool, and the right direction is positive; the Y direction is a direction vertical to the horizontal direction of the visual communication tool, and the front direction is positive; the Z direction is a direction vertical to the space of the visual communication tool, the direction pointing to the ground is negative, the direction opposite to the ground is positive, the rotation angle of the visual communication tool is calculated according to the three values, and the rotation angle is reported in a certain period.
Step 810: and the visual call tool corrects the local video image according to the local rotation angle data reported by the gravity sensor, and sends the corrected video image to the opposite visual call tool for displaying.
The gravity sensor reports rotation angle data of the visual communication tool according to a set period, the visual communication tool corrects video image data acquired by the local terminal through the camera equipment in real time based on the received rotation angle data, and sends the video image data to the visual communication tool at the opposite terminal for image display.
For example, the video call tool acquires a rotation angle α through the gravity sensor, rotates the local video image data acquired through the camera device by an angle (90- α), and sends the local video image data to the opposite video call tool for displaying, as shown in fig. 7B.
In summary, in the embodiment of the present invention, in the video call process, when the screen of the video call tool rotates, the video call tool corrects the video image of the local end according to the rotation angle data of the local end reported by the gravity sensor, and sends the corrected video image to the video call tool of the opposite end for display, so that when the screen of the video call tool held by the user rotates, the video display image of the user at the opposite end remains unchanged relative to the sight line of the user at the opposite end, thereby implementing accurate presentation of the video image display window in the video call process. On the other hand, the user adjusts the video image display window by clicking the opposite-end video image display window or the home-end video image display window, and the video image display window is enlarged to be in a full-screen state to be presented to the user, so that the video image display quality of the video call tool in the process of video call is improved; further, in order to improve the user experience, the user may drag the video image display window to any area of the screen for display.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for adjusting the display of a video image on an opposite end in a video call, comprising:
in the state of establishing a video call, when a screen of a terminal rotates, the terminal obtains the rotation angle of the screen in a gravity sensing mode;
and the terminal corrects the local video image based on the rotation angle and sends the corrected video image to the opposite terminal for displaying.
2. The method of claim 1, wherein obtaining a rotation angle of the screen by a gravity sensing method and modifying the local video image based on the rotation angle comprises:
and acquiring the rotation angle of the local screen in a gravity sensing mode according to a set period, and correcting the local video image based on the acquired rotation angle in real time.
3. The method of claim 1 or 2, wherein in the video call process, when the terminal detects that the user clicks the video image display window presented on the screen, and under the condition that the click behavior of the user is determined to meet the preset condition, the correspondingly adjusting the video image display window clicked by the user comprises:
when the double-click of the video image display window by the user is detected, if the double-click video image display window is not in a full-screen state currently, the double-click video image display window is amplified to be in the full-screen state; if the double-clicked video image display window is in a full-screen state at present, reducing the double-clicked video image display window to an initial state;
or,
when the fact that the user slides the expanded video image display window is detected, the expanded video image display window is enlarged to be in a full-screen state; and when the user is detected to slide the contracted video image display window, reducing the contracted video image display window to an initial state.
4. The method according to claim 3, wherein in the process of enlarging the video image display window to the full screen state, if other video image display windows exist in the screen, the other video image display windows are closed, or the other video image display windows are embedded into the video image display window enlarged to the full screen.
5. The method according to claim 3, wherein in the video call process, when the terminal detects that the time length for clicking the video image display window by the user meets the set condition, the video image display window is moved to any area in the local terminal screen and displayed according to the dragging action of the user.
6. An apparatus for adjusting the display of video images on an opposite end in a video call, comprising:
the terminal comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring the rotation angle of a screen in a gravity sensing mode when the screen of the terminal rotates in the state of establishing a video call;
and the processing unit is used for correcting the local video image by the terminal based on the rotation angle and sending the corrected video image to the opposite terminal for displaying.
7. The apparatus of claim 6, wherein the obtaining unit obtains a rotation angle of the screen through a gravity sensing manner, and the processing unit corrects the local video image based on the rotation angle, comprising:
the acquisition unit acquires the rotation angle of the local screen in a gravity sensing mode according to a set period, and the processing unit corrects the local video image in real time based on the acquired rotation angle.
8. The apparatus of claim 6 or 7, wherein the processing unit is further to:
in the process of video call, when a terminal detects that a user clicks a video image display window presented on a screen, and under the condition that the clicking behavior of the user is determined to meet a preset condition, correspondingly adjusting the video image display window clicked by the user, wherein the method comprises the following steps:
when the double-click of the video image display window by the user is detected, if the double-click video image display window is not in a full-screen state currently, the double-click video image display window is amplified to be in the full-screen state; if the double-clicked video image display window is in a full-screen state at present, reducing the double-clicked video image display window to an initial state;
or,
when the fact that the user slides the expanded video image display window is detected, the expanded video image display window is enlarged to be in a full-screen state; and when the user is detected to slide the contracted video image display window, reducing the contracted video image display window to an initial state.
9. The apparatus of claim 8, wherein the processing unit is further to:
in the process of amplifying the video image display window to the full-screen state, if other video image display windows exist in the screen, closing the other video image display windows, or embedding the other video image display windows into the video image display window amplified to the full screen.
10. The apparatus of claim 8, wherein the processing unit is further to:
in the video call process, when the terminal detects that the time length for clicking the video image display window by the user meets the set condition, the video image display window is moved to any area in the local terminal screen according to the dragging action of the user and is displayed.
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Application publication date: 20120926 |