CN112911191B - Video call quality adjusting method and device, electronic equipment and storage medium - Google Patents
Video call quality adjusting method and device, electronic equipment and storage medium Download PDFInfo
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- CN112911191B CN112911191B CN202110121268.0A CN202110121268A CN112911191B CN 112911191 B CN112911191 B CN 112911191B CN 202110121268 A CN202110121268 A CN 202110121268A CN 112911191 B CN112911191 B CN 112911191B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
The embodiment of the application discloses a method and a device for adjusting video call quality, electronic equipment and a computer readable storage medium, wherein the method comprises the following steps: acquiring a video stream in the video call process; determining change information between at least two frames of picture contents in the video stream; and under the condition that the change information between the contents of the at least two frames of pictures meets a first condition, adjusting the quality of the video call according to the change information.
Description
Technical Field
The present application relates to computer technologies, and in particular, but not limited to, a method, an apparatus, an electronic device, and a storage medium for adjusting video call quality.
Background
The situation that relatives and friends in the modern separate two places is more and more common, a plurality of people can select the mode of video call to contact the emotion, and simultaneously, along with the development of the technology, the mode of on-line inquiry also appears in the vertical field of medical treatment.
In the video call process, the electronic device always uploads the highest-definition video which can be borne by the current network bandwidth, so that resource waste and congestion can be caused, and the electronic device can be blocked and has poor user experience under the condition of poor network quality.
Disclosure of Invention
In view of this, embodiments of the present application provide a method and an apparatus for adjusting video call quality, an electronic device, and a storage medium.
In a first aspect, an embodiment of the present application provides a method for adjusting video call quality, where the method includes: acquiring a video stream in the video call process; determining change information between at least two frames of picture contents in the video stream; and under the condition that the change information between the contents of the at least two frames of pictures meets a first condition, adjusting the quality of the video call according to the change information.
In a second aspect, an embodiment of the present application provides a video call quality adjusting apparatus, including: the acquisition module is used for acquiring a video stream in the video call process; the determining module is used for determining the change information between at least two frames of picture contents in the video stream; and the adjusting module is used for adjusting the quality of the video call according to the change information under the condition that the change information between the at least two frames of picture contents meets a first condition.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory stores a computer program that is executable on the processor, and the processor implements, when executing the computer program, the steps in the video call quality adjustment method according to any of the embodiments of the present application.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the video call quality adjustment method according to any one of the embodiments of the present application.
In the embodiment of the application, the quality of the video call is adjusted according to the change information between at least two frame picture contents in the video stream in the video call process, so that the quality of the video call can be improved when the use scene needs higher video call quality by combining the use scene of a user, and the high-definition video call requirement of the user is met; when the use scene does not need higher video call quality, the quality of the video call is reduced, so that the network bandwidth resource can be reduced, network congestion is avoided, and the electric quantity consumption of the electronic equipment is reduced; therefore, the quality of the video call can be adjusted more flexibly and intelligently, and the video call experience of the user is improved.
Drawings
Fig. 1 is a schematic flowchart illustrating a method for adjusting video call quality according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of another video call quality adjustment method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram illustrating a composition of a video call quality adjusting apparatus according to an embodiment of the present application;
fig. 4 is a hardware entity diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solution of the present application is further elaborated below with reference to the drawings and the embodiments.
The situation that relatives and friends in the modern society are separated from each other is more and more common, and a plurality of people can select a video call mode to contact the emotion; meanwhile, with the development of technology, an online inquiry mode also appears in the vertical field of medical treatment.
In the related art, in a video call scene, the video definition is adjusted only according to the network bandwidth, and cannot be automatically selected according to the use scene of a user, so that certain consumption is generated on mobile phone resources (such as power consumption), network bandwidth resources and the like, and good steel is not used on a blade.
In the related art, the video call has the following disadvantages:
firstly, at any time, the electronic device uploads the highest-definition video which can be borne by the current network bandwidth, so that resource waste and congestion are caused, and the electronic device is stuck when the network resources are not good, so that the user experience is poor.
Secondly, in the vertical field of medical treatment, online inquiry only supports users to upload pictures and characters, the users cannot interact with doctors in real time, when the users take pictures of affected parts according to the instructions of the doctors, the pictures need to be taken one time and the other time, and the steps are complicated.
Fig. 1 is a schematic diagram of an implementation flow of a video call quality adjustment method provided in an embodiment of the present application, and is applied to an electronic device, as shown in fig. 1, the method includes:
step 102: acquiring a video stream in the video call process;
the two networked electronic devices can realize real-time bidirectional audio and video transmission through integrated software or third-party software, the process can be called as video call between operators of the two electronic devices, and the video stream not only can comprise audio and video data generated in the process of the video call, but also can comprise information data corresponding to the audio and video data; the video stream comprises at least two frames of picture contents, and each frame of picture content is a picture.
Step 104: determining change information between at least two frames of picture contents in the video stream;
the change information may be change information between two consecutive frames of picture contents in the video stream, or change information between consecutive frames of picture contents in the video stream.
Step 106: and under the condition that the change information between the contents of the at least two frames of pictures meets a first condition, adjusting the quality of the video call according to the change information.
Wherein the first condition may be that change information between the at least two frames of picture contents satisfies a certain change trend.
In the embodiment of the application, the quality of the video call is adjusted according to the change information between at least two frame picture contents in the video stream in the video call process, so that the quality of the video call can be improved when the use scene needs higher video call quality by combining the use scene of a user, and the high-definition video call requirement of the user is met; when the use scene does not need higher video call quality, the quality of the video call is reduced, so that the network bandwidth resource can be reduced, the network congestion can be avoided, and the electric quantity consumption of the electronic equipment can be reduced; therefore, the quality of the video call can be adjusted more flexibly and intelligently, and the video call experience of the user is improved.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S202: acquiring a video stream in the video call process;
step S204: determining change information between at least two frames of picture contents in the video stream;
step S206: under the condition that the change information between the at least two frames of picture contents meets a first condition, determining the requirement of a sender according to the change information;
the method comprises the steps that a sender is a first electronic device when a first user displays a first object to a second user through a first electronic device operated by the first user on the assumption that the two parties of a video call are the first user and the second user; when the second user shows the second object to the first user through the second electronic equipment operated by the second user, the sender is the second electronic equipment; the requirements of the sender include that the sender needs to adjust the quality of the video stream sent by the sender, and that the sender does not need to adjust the quality of the video stream sent by the sender.
Step S208: and adjusting the quality of the video stream sent by the sender according to the requirement of the sender.
When the requirement of the sender is that the sender needs to adjust the quality of the video stream sent by the sender, the quality of the video stream sent by the sender can be adjusted according to the change information; and when the requirement of the sender is that the sender does not need to adjust the quality of the video stream sent by the sender, not adjusting the quality of the video stream sent by the sender.
In the embodiment of the application, whether the quality of the video stream sent by the sender is adjusted or not is determined according to the requirement of the sender, so that the decision right of a user is increased, and the flexibility of video stream quality adjustment is improved.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S302: acquiring a video stream in the video call process;
step S304: determining distance change information between a shooting object in the at least two frames of picture contents and the electronic equipment;
the shooting object can be an actual object corresponding to a target object in each frame of picture content shot by a camera installed on the electronic equipment, and the shooting object can be a manual model, a bird, a mountain, a tree, a person and the like; the distance change information can be used for representing the change situation of the distance between the shooting object and the camera along with time; the distance between the shooting object and the camera in each frame of the picture content can be detected in real time through a distance sensor (for example, a distance measuring instrument such as a laser distance measuring instrument, an ultrasonic distance measuring instrument and a radar distance measuring instrument) installed on the electronic equipment, and distance change information between the shooting object and the electronic equipment is generated according to each distance and a timestamp for detecting the corresponding distance.
Step S306: determining that the change information between the at least two frames of picture contents satisfies a first condition if the distance change information satisfies a second condition;
wherein the second condition may be that the distance in the distance change information shows an increasing trend, or that the distance in the distance change information shows a decreasing trend.
Step S308: and adjusting the quality of the video stream sent by the sender according to the distance change information.
In a first application scene, a user A presents a manual model to a user B; if the sender of the video stream is the first electronic device operated by the user A and the receiver of the video stream is the second electronic device operated by the user B, if the camera of the first electronic device operated by the user A is gradually close to the manual model, the user A is indicated to hope to see more clear details of the manual model for the user B; if user A moves the camera of the first electronic device he or she is operating away from the mannequin, surface user A wishes to give user B an approximate outline of the mannequin; the camera may be a standard lens.
The operating system of the first electronic device may detect the distance between the camera and the manual model in real time through the distance sensor installed on the first electronic device, and when the distance is identified to gradually decrease, it may be indicated that the user a moves the camera to gradually approach the manual model, or the user a moves the manual model to gradually approach the camera, and the operating system of the first electronic device automatically adjusts the video quality uploaded by the first electronic device to a higher video definition, for example, the video definition may be adjusted to 1080P
(Progressive scan, line by line) to make the user B more clearly see more details of the hand model.
When the distance gradually increases, it may be indicated that the user a moves the camera gradually away from the manual model, or the user a moves the manual model gradually away from the camera, and the operating system of the first electronic device automatically adjusts the quality of the video uploaded by the first electronic device to a lower video definition, for example, the video definition may be adjusted to 720P, so that the user B sees the approximate outline of the manual model, and may reduce network bandwidth resources and power consumption of the first electronic device.
Further, the user A can be prompted whether to open the macro lens or not under the condition that the fact that the distance between the camera of the first electronic device and the manual model is smaller than or equal to a preset first distance threshold value is identified, so that the user B can see more details of the manual model more clearly; the first distance threshold may be 1 meter.
In a second application scenario, a doctor makes a video inquiry to a patient; mainstream online inquiry platforms in the related technology all use a picture inquiry mode, so that doctors cannot see the integral and continuous physical condition of patients; in this embodiment of the application, an operating system of a first electronic device operated by a patient may detect a distance between a camera of the first electronic device and an affected part (such as a tongue coating, a wound, etc.) of the patient in real time through a distance sensor installed on the first electronic device, and when the distance is recognized to gradually decrease, it may be indicated that the patient will move the camera close to the affected part, or the patient will move the affected part close to the camera gradually, and the operating system of the first electronic device automatically adjusts a video quality uploaded by the first electronic device to a higher video definition, for example, may adjust the video definition to 1080P, so that a doctor can see more details of the affected part more clearly.
It will be understood that, referring to the description in the first application scenario, in the second application scenario, when it is recognized that the distance gradually increases, the quality of the video uploaded by the first electronic device may be automatically adjusted to a lower video definition, for example, the video definition may be adjusted to 720P, so that the doctor can see the overall physical condition or affected condition of the patient, and the network bandwidth resource may be reduced, and the power consumption of the first electronic device may be reduced.
Further, the patient can be prompted whether to open the macro lens or not under the condition that the distance between the camera of the first electronic device and the affected part is recognized to be smaller than or equal to a preset first distance threshold value, so that a doctor can see more details of the affected part more clearly.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted by shooting the distance change information between the object and the electronic equipment, so that the quality of the video stream sent by the sender can be adjusted more conveniently and intelligently.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S402: acquiring a video stream in the video call process;
step S404: determining size change information of a target object in the at least two frames of picture contents;
wherein the target object may be a subject in the screen content; the size change information can be used for representing the change situation of the size of the target object along with time, detecting the size of the target object in each frame of the picture content in real time, and generating the size change information of the target object according to each size and the timestamp for detecting the corresponding size.
Step S406: determining that the change information between the at least two frames of picture contents satisfies a first condition if the size change information satisfies a third condition;
wherein the third condition may be that the size in the size change information shows an increasing trend, or that the size in the size change information shows a decreasing trend.
Step S408: and adjusting the quality of the video stream sent by the sender according to the size change information.
In the first application scenario, assuming that a sender of a video stream is a first electronic device operated by a user a, and a receiver of the video stream is a second electronic device operated by a user B, when the user a presents an object (i.e., a shooting object, for example, a manual model) to the user B, the size of a target object corresponding to the shooting object in the picture content may be detected in real time, and when it is recognized that the size of the manual model in a video picture gradually increases, that is, when the ratio of the manual model to the entire video picture gradually increases, it may be indicated that the user a moves a camera to gradually approach the manual model, or the user a moves the manual model to gradually approach the camera, and an operating system of the first electronic device automatically adjusts the quality of a video uploaded by the first electronic device to a higher video definition, for example, the video definition may be adjusted to 1080P (Progressive scan line by line), so that the user B may see more details of the manual model more clearly.
When it is identified that the size of the manual model in the video picture is gradually reduced, that is, the ratio of the manual model to the entire video picture is gradually reduced, it may be indicated that the user a moves the camera away from the manual model, or the user a moves the manual model away from the camera, and the operating system of the first electronic device automatically adjusts the video quality uploaded by the first electronic device to a lower video definition, for example, the video definition may be adjusted to 720P (Progressive scan), so that the user B sees the approximate outline of the manual model, and may reduce network bandwidth resources and reduce power consumption of the first electronic device.
Similarly, in the second application scenario, when it is recognized that the size of the affected part (target object) in the picture content gradually increases, the quality of the video uploaded by the first electronic device may be adjusted to a higher video definition; the quality of the video uploaded by the first electronic device may be adjusted to a lower video definition as the lesion is identified as decreasing in size.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted through the size change information of the target object, so that the quality of the video stream sent by the sender can be adjusted more conveniently and intelligently.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S502: acquiring a video stream in the video call process;
step S504: determining state change information of a target object in the at least two frames of picture contents;
the state change information can be used for representing the change situation of the state of the target object along with time, an operating system of the electronic equipment can detect the state of the target object in real time through an image sensor installed on the electronic equipment, and the state change information of the target object is generated according to each state and a timestamp for detecting the corresponding state; the state of the target object may be used to represent whether the attention of an operation user of a recipient of a video stream is on a video call, and in the case of the target object being a person, the state of the target object may be an action, a posture, a gaze direction of an eye, a gesture, and the like of the target object.
Step S506: determining that the change information between the at least two frames of picture contents satisfies a first condition if the state change information satisfies a fourth condition;
the fourth condition may be that the state of the target object is changed from a first state to a second state, or that the state of the target object is changed from the second state to the first state. For example, the target object may be changed from a first motion to a second motion, the target object may be changed from a first posture to a second posture, a direction of gaze of a gaze of the target object may be changed from direct vision to no direct vision, or a direction of gaze of the target object may be changed from no direct vision to direct vision.
Step S508: and adjusting the quality of the video stream sent by the sender according to the state change information.
The method comprises the steps that a video stream sending party is assumed to be a first electronic device operated by a user A, a video stream receiving party is assumed to be a second electronic device operated by a user B, a first state is used for representing that the attention of the user B is not on a video call, and a second state is used for representing that the attention of the user B is on the video call; when the user A shows an object to the user B, the state of the target object in the picture content can be detected in real time, and when the state is identified to be changed from the first state to the second state, the quality of the video stream sent by the first electronic equipment can be improved as the attention of the user B is on the video call; when the state is identified to be changed from the second state to the first state, the quality of the video stream transmitted by the first electronic device can be reduced because the attention of the user B is not on the video call.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted through the state change information of the target object, so that the quality of the video stream sent by the sender can be adjusted more conveniently and intelligently.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S602: acquiring a video stream in the video call process;
step S604: determining gaze direction change information of a recipient in the at least two frames of picture content;
the gazing direction change information can be used for representing the change situation of the gazing direction of the target object along with time; the gaze directions include direct and no direct view.
Step S606: under the condition that the gazing direction change information meets a fifth condition, determining that change information between the at least two frames of picture contents meets a first condition;
the fifth condition may be that the gaze direction of the eye of the target object changes from direct vision to direct-less vision, or that the gaze direction of the eye of the target object changes from direct-less vision to direct vision.
Step S608: and adjusting the quality of the video stream sent by the sender according to the gazing direction change information.
In a third application scene, the user A and the user B agree to take a common study; the method comprises the steps that a user A and a user B respectively place a first electronic device and a second electronic device which are open for video call in front of a desk and supervise and urge each other, an operating system of the first electronic device can detect the gaze direction of the eye of the user B in a video picture of the first electronic device in real time through an image sensor arranged on the first electronic device, and when the gaze direction of the eye of the user B is recognized to be changed from direct vision to direct vision, the attention of the user B is indicated to be on the video call, and the operating system of the first electronic device automatically adjusts the video quality uploaded by the first electronic device to be higher video definition, so that the user B can see the video picture shot by a camera of the first electronic device more clearly; when the fact that the gazing direction of the eye spirit of the user B is changed from direct vision to non-direct vision within the preset time length is recognized, it is indicated that the attention of the user B is not on the video call, and the operating system of the first electronic device automatically adjusts the video quality uploaded by the first electronic device to be lower in video definition, so that the electricity consumption of the first electronic device is reduced.
Similarly, the operating system of the second electronic device may detect the gaze direction of the gaze of the user a in the video image of the second electronic device in real time through an image sensor installed on the second electronic device, and when it is recognized that the gaze direction of the gaze of the user a changes from no direct view to direct view, the operating system of the second electronic device automatically adjusts the quality of the video uploaded by the second electronic device to a higher video definition, so that the user a can see the video image shot by the camera of the second electronic device more clearly; when the fact that the gazing direction of the eye spirit of the user A is changed from direct vision to non-direct vision within the preset duration is recognized, the operating system of the second electronic device automatically adjusts the video quality uploaded by the second electronic device to be lower in video definition, and therefore electricity consumption of the second electronic device is reduced.
As can be seen from the content described in the third application scene, the video definition of the electronic device and/or the camera of the electronic device may be switched to adjust the video quality according to the state change information of the target object in the video picture, for example, the gaze direction change information of the eye; in other embodiments, the video quality may also be adjusted according to the state of the target object in the video picture, for example, when the gaze direction of the target object is a direct view, the operating system of the first electronic device may adjust the video quality uploaded by the first electronic device to a higher video definition; when the target object is in a state that the gaze direction of the eye is not in direct view for a long time, the operating system of the first electronic device adjusts the quality of the video uploaded by the first electronic device to be lower in video definition.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted through the gazing direction change information of the receiver, so that the quality of the video stream sent by the sender can be adjusted more conveniently and intelligently.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S702: acquiring a video stream in the video call process;
step S704: determining category change information of a category to which a target object in the at least two frames of picture contents belongs;
the category change information can be used for representing the change condition of the target object along with time, and the category of the shot object can be detected in real time through an image sensor installed on the electronic equipment, wherein the shot object is a real object of the target object in a video picture, and the category of the shot object is the category of the target object in the video picture; generating category change information of the category to which the target object belongs according to each category and the timestamp for detecting the corresponding category; the categories to which the target object belongs may be people, walls, scenery, and the like.
Step S706: determining that the change information between the at least two frame picture contents satisfies a first condition in case that the category change information satisfies a sixth condition;
the sixth condition may be that the category to which the target object belongs is changed from a wall to a landscape, or that the category to which the target object belongs is changed from a landscape to a wall, or the like.
Step S708: and adjusting the quality of the video stream sent by the sender according to the category change information.
In the fourth application scene, the user A shows a wide landscape to the user B; assuming that a sender of a video stream is a first electronic device operated by a user A and a receiver of the video stream is a second electronic device operated by a user B, when the user A shows an object to the user B, an operating system of the first electronic device operated by the user A can detect the category of a target object in picture content in real time through an image sensor installed on the first electronic device; when the fact that the category of the target object is changed from a wall to a landscape is recognized, the fact that the user A wants to show a strong landscape to the user B is indicated, and the quality of a video stream sent by the first electronic device can be adjusted to be high; when the category to which the target object belongs is recognized to be changed from landscape to wall, the user A is explained to finish showing the landscape, and therefore, the quality of the video stream transmitted by the first electronic device can be reduced.
Further, when the operating system of the first electronic device recognizes that the content of the video picture is changed from a wall to a landscape, the operating system may also prompt the user a whether to open the wide-angle lens to further make the user B see the landscape more clearly.
As can be seen from the content described in the fourth application scenario, the video definition of the electronic device and/or the camera of the electronic device may be switched to adjust the video quality according to the category change information of the category to which the target object belongs in the video picture; in other embodiments, the video quality may also be adjusted according to the category to which the target object in the video picture belongs, for example, when the category to which the target object belongs is a landscape, the operating system of the first electronic device may adjust the video quality uploaded by the first electronic device to a higher video definition.
It can be seen from the contents described in the first application scene, the second application scene, and the fourth application scene that the video definition of the electronic device may be adjusted and/or the camera of the electronic device may be switched according to the actual distance between the electronic device and the shooting object and the category to which the target object in the video image belongs, for example, when the content of the video image is a landscape and the actual distance between the landscape and the electronic device is greater than a preset second distance threshold (e.g., 10 meters), the operating system of the first electronic device adjusts the video quality uploaded by the first electronic device to a higher video definition, and prompts the user a whether to open the wide-angle lens.
Similarly, when the content of the video picture is a person and the actual distance between the person and the electronic device is within a preset first distance range (e.g., 2 meters to 5 meters), the operating system of the first electronic device may adjust the quality of the video uploaded by the first electronic device to a higher video definition; when the content of the video picture is still display and the actual distance between the still and the electronic equipment is within a preset second distance range (such as 1 meter to 2 meters), the operating system of the first electronic equipment adjusts the video quality uploaded by the first electronic equipment to be higher in video definition; when the content of the video picture is the macro detail and the actual distance between the macro detail and the electronic device is smaller than a preset first distance threshold (e.g., 1 meter), the operating system of the first electronic device adjusts the video quality uploaded by the first electronic device to a higher video definition.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted through the category change information of the category to which the target object belongs, so that the quality of the video stream sent by the sender can be adjusted more conveniently and intelligently.
The embodiment of the present application further provides a method for adjusting video call quality, where the method includes:
step S802: acquiring a video stream in the video call process;
step S804: determining change information between at least two frames of picture contents in the video stream;
step S806: determining focal length change information of the camera;
the focal length change information can be used for representing the change situation of the focal length of the camera of the electronic equipment along with time, the change of the focal length can be realized through the switching of the fixed-focus cameras with different focal lengths, and the change of the focal length can also be realized through the change of the focal length of the zoom camera.
Step S808: under the condition that the change information between the at least two frames of picture contents meets a first condition, adjusting the quality of the video call according to the change information;
step S810: and under the condition that the focal length change information meets a seventh condition, adjusting the quality of the video stream sent by the sender according to the focal length change information.
Wherein the seventh condition may be that the focal length in the focal length change information shows an increasing trend, or that the focal length in the focal length change information shows a decreasing trend; in a fifth application scenario, a user A presents an object to a user B; assuming that a sender of a video stream is a first electronic device operated by a user a and a receiver of the video stream is a second electronic device operated by a user B, when the user a shows an object (a shooting object) to the user B, an operating system of the first electronic device corresponding to the user a detects a focal length of a camera of the first electronic device in real time, and when the focal length is identified to be in a decreasing trend, that is, the focal length is gradually decreased, it can be indicated that the user a gradually holds the camera close to shoot the object, or the user a moves the shooting object to be gradually close to the camera, that is, the user a wants the user B to see more clear details of the shooting object; at this time, the quality of the video stream sent by the first electronic device can be improved, and when the focal length is smaller than or equal to a preset first focal length threshold value, a user A is prompted whether to open the macro lens; when the focus presenting increasing trend is identified, that is, the distance gradually increases, it may be indicated that the user a gradually moves the camera away from the shooting object, or the user a moves the shooting object away from the camera, that is, the user a wants the user B to see the approximate outline of the shooting object, at this time, the quality of the video stream sent by the first electronic device may be reduced, and when the focus is greater than or equal to the preset second focus threshold, the user a is prompted whether to open the wide-angle lens.
As can be seen from the content described in the fifth application scenario, the video definition of the electronic device can be adjusted and/or the camera of the electronic device can be switched according to the focal length change information of the electronic device.
In the embodiment of the application, the quality of the video stream sent by the sender is adjusted through the focal length change information of the camera or the change information between the at least two frames of picture contents, so that the quality of the video stream sent by the sender can be adjusted more conveniently, intelligently and flexibly.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S902: acquiring a video stream in the video call process;
step S904: determining change information between at least two frames of picture contents in the video stream;
step S906: and under the condition that the change information between the at least two frames of picture contents meets a first condition, adjusting the video resolution and/or the video code rate of the video stream according to the change information.
The video resolution is a parameter for measuring the amount of data in an image, and the higher the video resolution is, the clearer the image is, and the better the video quality is; the code rate refers to the number of data bits transmitted in unit time during data transmission, and the more data is transmitted in unit time, the clearer the image is; adjusting the video resolution of the video stream according to the change information, which may be adjusting the video resolution of the video stream to a target resolution, for example, adjusting the video resolution to 1080P, according to the change information; it is also possible to adjust the video resolution of the video stream by a target resolution size, for example, by increasing or decreasing the video resolution by 360P, based on the change information.
In the embodiment of the application, the quality of the video stream sent by the sender can be adjusted more conveniently and more accurately by adjusting the video resolution and/or the video code rate of the video stream.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S1002: acquiring at least two collected frame contents in the process of carrying out network communication by adopting a first mode;
the network call performed in the first mode may be a video call or a voice call.
Step S1004: determining change information between the collected at least two frames of picture contents;
step S1006: switching the network call performed in the first mode to a network call performed in a second mode if the change information satisfies an eighth condition;
wherein, assuming that the network call performed in the first manner is a video call and the network call performed in the second manner is a voice call, the eighth condition may be that the category to which the target object belongs in the screen content is changed from a first category to a second category, for example, from a landscape to a wall; assuming that the network call performed in the first manner is a voice call and the network call performed in the second manner is a video call, the eighth condition may be that the category to which the target object belongs in the screen content is changed from the second category to the first category, for example, from a ceiling to a landscape.
Step S1008: and when the network call carried out by adopting the first mode or the second mode is a video call and the changed picture content of the video stream meets the first condition, adjusting the quality of the video call according to the change information.
In the embodiment of the application, the quality of the video call is adjusted according to the change information between at least two frames of picture contents in the video stream in the video call process, so that the quality of the video call can be improved when the use scene of a user needs higher video call quality in combination with the use scene of the user, and the high-definition video call requirement of the user is met; when the use scene does not need higher video call quality, the quality of the video call is reduced, so that the network bandwidth resource can be reduced, the network congestion can be avoided, and the electric quantity consumption of the electronic equipment can be reduced; therefore, the quality of the video call can be adjusted more flexibly and intelligently, and the video call experience of the user is improved. In addition, the network call mode is switched according to the change information, so that the user experience can be improved, and the intelligence of the network call is improved.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S1102: in the process of carrying out video call, acquiring a video stream in the process of the video call;
step S1104: determining change information between at least two frames of picture contents in the video stream;
step S1106: and under the condition that the change information meets a ninth condition, switching the video call to the voice call.
Wherein the ninth condition may be that the category to which the target object belongs in the screen content is changed from the first category to the second category, for example, from a landscape to a wall.
In the embodiment of the application, the video call is switched to the voice call under the condition that the change information meets the ninth condition, so that on one hand, the experience of a user in network call can be improved, on the other hand, the network bandwidth resource can be reduced, the network congestion can be avoided, and the electric quantity consumption of the electronic equipment can be reduced.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S1202: in the process of carrying out voice communication, acquiring at least two frames of collected picture contents by periodically or non-periodically starting a camera;
step S1204: determining change information between the collected at least two frames of picture contents;
step S1206: and under the condition that the change information meets a tenth condition, switching the voice call into a video call.
Wherein the tenth condition may be that the category to which the target object belongs in the screen content is changed from the second category to the first category, for example, from a ceiling to a landscape.
In the embodiment of the application, the voice call is switched to the video call under the condition that the change information meets the tenth condition, so that flexible switching among different network call modes can be realized, and the experience of a user in network call is improved.
The embodiment of the application further provides a method for adjusting the video call quality, which comprises the following steps:
step S1302: acquiring a video stream in the video call process;
step S1304: determining a distance and/or angle between an electronic device and an operator of the electronic device;
wherein the electronic device may be a first electronic device and the operator of the first electronic device may be user a.
Step 1306: and in the case that the distance and/or the angle meet an eleventh condition, switching the video call to the video call.
The eleventh condition may be that the distance between the user a and the first electronic device is greater than or equal to a preset third distance threshold, and/or the angle between the user a and the first electronic device is outside a preset angle range.
In a sixth application scene, the user A finishes displaying to the user B; the method comprises the steps that a user A shows a certain article or a scene to a user B, the showing is completed after about 3-5 minutes, the user A puts first electronic equipment operated by the user A on a desk in a flat mode, an operating system of the first electronic equipment can detect the distance and the angle between the first electronic equipment and the user A in real time through a distance sensor and a gyroscope sensor which are installed on the first electronic equipment respectively, and if the fact that the distance between the user A and the first electronic equipment is larger than or equal to a preset third distance threshold value and/or the angle between the user A and the first electronic equipment is out of a preset angle range is recognized, the operating system of the first electronic equipment switches a video call into a voice call; it should be noted that, during the voice call, if it is recognized that the distance between the user a and the first electronic device is less than or equal to the preset third distance threshold, and/or the angle between the user a and the first electronic device is within the preset angle range, the voice call is switched to the video call again.
In addition, the type of the shot object can be detected in real time through an image sensor installed on the first electronic device, the shot object is a real object of a target object in a video picture, and the type of the shot object is the type of the target object in the video picture; when the category to which the target object belongs is a black screen (at this time, the first electronic device may be buckled on a desk) or a wall, the operating system of the first electronic device switches the video call to a voice call; and when the category to which the target object belongs is an object, a person or a scene, the operating system of the first electronic equipment switches the voice call into a video call.
As can be seen from the content described in the sixth application scenario, the voice call and the video call can be switched according to the category of the target object in the video image, or the distance and the angle between the user and the electronic device, and it is easy to understand that the voice call and the video call can also be switched according to the category change information of the category of the target object in the video image; for example, when the category of the target object is changed from an object, a portrait or a scene to a black screen or a wall, the operating system of the first electronic device switches the video call to a voice call; and when the category of the target object is changed into an object, a character or a scene from a black screen or a wall, the operating system of the first electronic equipment switches the voice call into a video call.
Furthermore, switching between voice call and video call can be performed according to the distance change information and/or angle change information between the user and the electronic equipment; if the operating system of the first electronic device recognizes that the distance between the user A and the first electronic device is gradually increased and/or the angle between the user A and the first electronic device is changed from the preset angle range to the outside of the preset angle range, the operating system of the first electronic device switches the video call into the voice call; if the operating system of the first electronic device recognizes that the distance between the user A and the first electronic device is gradually reduced and the angle between the user A and the first electronic device is changed from the outside of the preset angle range to the inside of the preset angle range, the voice call is switched to the video call again.
In some embodiments, motion information of the electronic device may be further determined, and the video quality of the electronic device may be adjusted according to at least one of the distance change information, the size change information, the state change information, the category change information, and the focal length change information, and the motion information; at least one of acceleration change information, displacement change information and a movement trajectory of the electronic device.
Fig. 2 is a video call quality adjustment method provided in an embodiment of the present application, applied to an electronic device, and referring to fig. 2, the method may include the following steps:
step 202: starting a video call;
wherein an operator of the electronic device (which may be a first user, for example) may initiate a video call with a second user by clicking a video call button.
Step 204: identifying parameters such as pictures, distances and the like;
the operating system of the electronic equipment can perform image recognition on the picture content of the video call through an image sensor installed on the electronic equipment to obtain the category to which an object in the picture content belongs, wherein the category to which the object belongs can be a still, a person, a landscape, a wall and the like; the operating system of the electronic device can also detect the distance between the shooting object (shooting object) and the electronic device through a distance sensor installed on the electronic device.
Step 206: gradually approaching a shot object, wherein the shot object occupies most of the picture;
wherein, in the case that it is recognized that the distance between the shooting object and the electronic device gradually decreases or the shooting object occupies a larger proportion of the whole video call of the electronic device, it may be considered that the first user wants the second user to see more details of the shooting object, and step 212 may be executed;
step 208: the picture is an open landscape;
wherein, in case that the picture content is identified as an open landscape, step 212 may be executed;
step 210: lack of fixation for a long time or no person in the picture for a long time;
if it is recognized that the screen content includes the catch of eye, and the direction of the catch of eye is not watching, or no character appears in the screen content, but a black screen or a wall appears, step 214 may be executed;
step 212: the definition of uploaded video is improved, the anti-shake function is added, and whether a macro lens or a wide-angle lens is opened or not is prompted;
the operating system of the electronic equipment can improve the video definition of the uploaded video and increase the anti-shake function of the camera; when the distance between the shooting object and the electronic equipment is smaller than or equal to the preset first distance threshold, the first user is reminded of whether to open the wide-angle lens; the first distance threshold is less than the second distance threshold.
Step 214: and the definition of uploaded video is reduced, and whether the uploaded video is converted into audio is prompted.
The operating system of the electronic equipment can reduce the video definition of the uploaded video and prompt the first user whether to convert the video call into the audio call.
Based on the foregoing embodiments, an embodiment of the present application provides a video call quality adjusting apparatus, where the apparatus includes each unit and each module included in each unit, and the apparatus may be implemented by a processor in an electronic device; of course, the implementation can also be realized through a specific logic circuit; in the implementation process, the processor may be a Central Processing Unit (CPU), a Microprocessor Unit (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like.
Fig. 3 is a schematic diagram of a composition structure of a video call quality adjusting apparatus according to an embodiment of the present application, and as shown in fig. 3, the apparatus 300 includes an obtaining module 301, a determining module 302, and an adjusting module 303, where:
in one embodiment, the adjusting module 303 includes: the first determining submodule is used for determining the requirement of a sender according to the change information under the condition that the change information between the at least two frames of picture contents meets a first condition; and the first adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the requirement of the sender.
In one embodiment, the determining module 302 includes: the second determining sub-module is used for determining distance change information between a shooting object in the at least two frames of picture contents and the electronic equipment; the adjusting module 303 includes: a third determining sub-module, configured to determine that change information between the at least two frames of picture contents satisfies a first condition when the distance change information satisfies a second condition; and the second adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the distance change information.
In one embodiment, the determining module 302 includes: the fourth determining submodule is used for determining the size change information of the target object in the at least two frames of picture contents; the adjusting module 303 includes: a fifth determining sub-module, configured to determine that, when the size change information satisfies a third condition, change information between the at least two frames of picture contents satisfies a first condition; and the third adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the size change information.
In one embodiment, the determining module 302 includes: a sixth determining sub-module, configured to determine state change information of a target object in the at least two frames of picture contents; the adjusting module 303 includes: a seventh determining sub-module, configured to determine that change information between the at least two frames of picture contents satisfies a first condition when the state change information satisfies a fourth condition; and the fourth adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the state change information.
In one embodiment, the state change information of the target object includes gaze direction change information of the recipient; the seventh determining sub-module is configured to determine that change information between the at least two frames of picture content satisfies a first condition when the gazing direction change information satisfies a fifth condition; and the fourth adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the gazing direction change information.
In one embodiment, the determining module 302 includes: the eighth determining submodule is used for determining the category change information of the category to which the target object in the at least two frames of picture contents belongs; the adjusting module 303 includes: a ninth determining sub-module, configured to determine that change information between the at least two frames of picture contents satisfies a first condition if the category change information satisfies a sixth condition; and the fifth adjusting submodule is used for adjusting the quality of the video stream sent by the sender according to the category change information.
In one embodiment, the apparatus further comprises: the re-determination module is used for determining the focal length change information of the camera; and the readjustment module is used for adjusting the quality of the video stream sent by the sender according to the focal length change information under the condition that the focal length change information meets a seventh condition.
In an embodiment, the adjusting module 303 is configured to, in a case that change information between the at least two frames of picture contents satisfies a first condition, adjust a video resolution and/or a video bitrate of the video stream according to the change information.
It should be noted that, in the embodiment of the present application, if the video call quality adjustment method is implemented in the form of a software functional module and is sold or used as an independent product, the method may also be stored in a computer-readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or a part contributing to the related art may be embodied in the form of a software product stored in a storage medium, and including a plurality of instructions for enabling an electronic device (which may be a mobile phone, a tablet computer, a desktop computer, a personal digital assistant, a navigator, a digital phone, a video phone, a television, a sensing device, etc.) to execute all or part of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the present application are not limited to any specific combination of hardware and software.
The above description of the apparatus embodiments, similar to the above description of the method embodiments, has similar beneficial effects as the method embodiments. For technical details not disclosed in the embodiments of the apparatus of the present application, reference is made to the description of the embodiments of the method of the present application for understanding.
Correspondingly, an embodiment of the present application provides an electronic device, fig. 4 is a schematic diagram of a hardware entity of the electronic device according to the embodiment of the present application, and as shown in fig. 4, the hardware entity of the electronic device 400 includes: the method comprises a memory 401 and a processor 402, wherein the memory 401 stores a computer program capable of running on the processor 402, and the processor 402 executes the computer program to implement the steps of the video call quality adjustment method according to the above embodiment.
The Memory 401 is configured to store instructions and applications executable by the processor 402, and may also buffer data (e.g., image data, audio data, voice communication data, and video communication data) to be processed or already processed by the processor 402 and modules in the electronic device 400, and may be implemented by a FLASH Memory (FLASH) or a Random Access Memory (RAM).
Correspondingly, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the video call quality adjustment method provided in the foregoing embodiment.
Here, it should be noted that: the above description of the storage medium and device embodiments, similar to the above description of the method embodiments, has similar advantageous effects as the device embodiments. For technical details not disclosed in the embodiments of the storage medium and method of the present application, reference is made to the description of the embodiments of the apparatus of the present application for understanding.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application. The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only one logical function division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, all functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as a removable Memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Alternatively, the integrated units described above in the present application may be stored in a computer-readable storage medium if they are implemented in the form of software functional modules and sold or used as independent products. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or a part contributing to the related art may be embodied in the form of a software product stored in a storage medium, and including a plurality of instructions for enabling a computer device (which may be a mobile phone, a tablet computer, a desktop computer, a personal digital assistant, a navigator, a digital phone, a video phone, a television, a sensing device, etc.) to execute all or part of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a removable storage device, a ROM, a magnetic or optical disk, or other various media that can store program code.
The methods disclosed in the several method embodiments provided in the present application may be combined arbitrarily without conflict to obtain new method embodiments. Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict. The features disclosed in the several method or apparatus embodiments provided in the present application may be combined arbitrarily, without conflict, to arrive at new method embodiments or apparatus embodiments.
The above description is only for the embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A video call quality adjusting method is applied to electronic equipment, and comprises the following steps:
acquiring video streams of both video call parties in the video call process;
determining change information between at least two frames of picture contents in the video stream;
and under the condition that the change information between the contents of the at least two frames meets a first condition, adjusting the quality of the video stream sent by the video call sender according to the change information.
2. The method according to claim 1, wherein in a case that change information between the at least two frame picture contents satisfies a first condition, adjusting quality of a video stream sent by the video call sender according to the change information comprises:
under the condition that the change information between the at least two frames of picture contents meets a first condition, determining the requirement of a sender according to the change information;
and adjusting the quality of the video stream sent by the sender according to the requirement of the sender.
3. The method according to claim 1, wherein the determining change information between at least two frame picture contents in the video stream, and in a case that the change information between the at least two frame picture contents satisfies a first condition, adjusting the quality of the video stream sent by the video call sender according to the change information comprises:
determining distance change information between a shooting object in the at least two frames of picture contents and the electronic equipment;
determining that the change information between the at least two frames of picture contents satisfies a first condition if the distance change information satisfies a second condition;
and adjusting the quality of the video stream sent by the sender according to the distance change information.
4. The method according to claim 1, wherein the determining change information between at least two frame picture contents in the video stream, and in a case that the change information between the at least two frame picture contents satisfies a first condition, adjusting the quality of the video stream sent by the video call sender according to the change information comprises:
determining size change information of a target object in the at least two frames of picture contents;
determining that the change information between the at least two frames of picture contents satisfies a first condition if the size change information satisfies a third condition;
and adjusting the quality of the video stream sent by the sender according to the size change information.
5. The method according to claim 1, wherein the determining change information between at least two frames of picture contents in the video stream, and in a case that the change information between the at least two frames of picture contents satisfies a first condition, adjusting the quality of the video stream sent by the video call sender according to the change information comprises:
determining state change information of a target object in the at least two frames of picture contents;
determining that the change information between the at least two frames of picture contents satisfies a first condition if the state change information satisfies a fourth condition;
and adjusting the quality of the video stream sent by the sender according to the state change information.
6. The method of claim 5, wherein the target object's state change information includes a recipient's gaze direction change information;
the determining that the change information between the at least two frames of picture contents satisfies the first condition in case that the state change information satisfies the fourth condition includes: under the condition that the gazing direction change information meets a fifth condition, determining that change information between the at least two frames of picture contents meets a first condition;
the adjusting the quality of the video stream sent by the sender according to the state change information includes: and adjusting the quality of the video stream sent by the sender according to the gazing direction change information.
7. The method according to claim 1, wherein the determining change information between at least two frames of picture contents in the video stream, and in a case that the change information between the at least two frames of picture contents satisfies a first condition, adjusting the quality of the video stream sent by the video call sender according to the change information comprises:
determining category change information of a category to which a target object in the at least two frames of picture contents belongs;
determining that the change information between the at least two frames of picture contents satisfies a first condition if the category change information satisfies a sixth condition;
and adjusting the quality of the video stream sent by the sender according to the category change information.
8. The method of claim 1, further comprising:
determining focal length change information of the camera;
and under the condition that the focal length change information meets a seventh condition, adjusting the quality of the video stream sent by the sender according to the focal length change information.
9. The method according to claim 1, wherein the adjusting the quality of the video stream sent by the video call sender according to the change information if the change information satisfies a first condition includes:
and under the condition that the change information between the at least two frames of picture contents meets a first condition, adjusting the video resolution and/or the video code rate of the video stream according to the change information.
10. A video call quality adjustment apparatus, the apparatus comprising:
the acquisition module is used for acquiring video streams of both video call parties in the video call process;
the determining module is used for determining the change information between at least two frames of picture contents in the video stream;
and the adjusting module is used for adjusting the quality of the video stream sent by the video call sender according to the change information under the condition that the change information between the at least two frames of picture contents meets a first condition.
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