CN112994980B - Time delay test method, device, electronic equipment and storage medium - Google Patents
Time delay test method, device, electronic equipment and storage medium Download PDFInfo
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Abstract
The disclosure discloses a time delay testing method, relates to the field of Internet of vehicles, and particularly relates to the field of image processing and machine learning. The specific implementation scheme is as follows: running a timer program, and displaying a time stamp generated by running the timer program in the process of running the timer program; running at least one test module in the test program; and displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing the currently displayed time stamp and the at least one preset interface, and sending the first picture. The disclosure also discloses a time delay testing device, electronic equipment and a storage medium.
Description
Technical Field
The present disclosure relates to the field of internet of vehicles, and in particular, to image processing and machine learning techniques. More particularly, the present disclosure provides a latency testing method, apparatus, electronic device, and storage medium.
Background
In recent years, the technology of internet of vehicles has become a development hot spot, and products in which terminals are interconnected with vehicle-mounted terminals are widely applied.
After the terminal is connected with the vehicle-mounted terminal, the terminal transmits the picture on the screen of the terminal to the vehicle-mounted terminal in real time, and a user can operate the vehicle-mounted terminal. In this process, the transmission delay of the picture is an important index for affecting the user operation experience.
At present, the picture transmission delay can be generally determined by manually switching pictures of a terminal and manually observing the time delay of the pictures displayed by the terminal and the vehicle-mounted terminal, but the manual observation error is large and the efficiency is low.
Disclosure of Invention
The disclosure provides a time delay test method, a time delay test device, a time delay test equipment and a storage medium.
According to a first aspect, there is provided a method of latency testing, the method comprising: running a timer program, and displaying a time stamp generated by running the timer program in the process of running the timer program; running at least one test module in the test program; and displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing the currently displayed time stamp and the at least one preset interface, and sending the first picture.
According to a second aspect, there is provided a method of latency testing, the method comprising: receiving a first picture containing a timestamp; generating a second picture according to the first picture; and displaying a second picture.
According to a third aspect, there is provided a method of latency testing, the method comprising: video shooting is carried out on a screen of the first device and a screen of the second device to obtain a plurality of time delay test images, wherein the time delay test images comprise a first picture displayed on the screen of the first device and a second picture displayed on the screen of the second device, the first picture is generated by the first device, and the second picture is generated by the second device according to the received first picture from the first device; and determining the picture transmission delay between the first equipment and the second equipment according to the time stamp on the first picture and the time stamp on the second picture in each delay test image.
According to a fourth aspect, there is provided a latency testing system comprising: the first device is used for running the timing program, displaying a time stamp generated by running the timing program in the process of running the timing program, running at least one test module in the test program, displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing the currently displayed time stamp and the at least one preset interface, and transmitting the first picture to the second device; the second device is used for receiving the first picture from the first device, generating a second picture according to the first picture and displaying the second picture; and the third device is used for carrying out video shooting on the screen of the first device and the screen of the second device to obtain a plurality of time delay test images, wherein the time delay test images comprise a first picture displayed on the screen of the first device and a second picture displayed on the screen of the second device, and the picture transmission time delay between the first device and the second device is determined according to the time stamp on the first picture and the time stamp on the second picture in each time delay test image.
According to a fifth aspect, there is provided a time delay testing apparatus, the apparatus comprising: the first operation module is used for operating the timing program and displaying a time stamp generated by operating the timing program in the process of operating the timing program; the second operation module is used for operating at least one test module in the test program; and the processing module is used for displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing the currently displayed time stamp and the at least one preset interface, and sending the first picture.
According to a sixth aspect, there is provided a time delay testing apparatus, the apparatus comprising: a receiving module, configured to receive a first frame including a timestamp; the generating module is used for generating a second picture according to the first picture; and the display module is used for displaying the second picture.
According to a seventh aspect, there is provided a time delay testing apparatus, the apparatus comprising: the device comprises a shooting module, a first display module and a second display module, wherein the shooting module is used for shooting video of a screen of a first device and a screen of a second device to obtain a plurality of time delay test images, the time delay test images comprise a first picture displayed on the screen of the first device and a second picture displayed on the screen of the second device, the first picture is generated by the first device, and the second picture is generated by the second device according to the received first picture from the first device; and the determining module is used for determining the picture transmission delay between the first equipment and the second equipment according to the time stamp on the first picture and the time stamp on the second picture in each delay test image.
According to an eighth aspect, there is provided an electronic device comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform a method provided in accordance with the present disclosure.
According to a ninth aspect, there is provided a non-transitory computer readable storage medium storing computer instructions for causing a computer to perform a method provided according to the present disclosure.
According to a tenth aspect, there is provided a computer program product comprising a computer program which, when executed by a processor, implements a method provided according to the present disclosure.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.
Drawings
The drawings are for a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
FIG. 1 is a schematic diagram of an exemplary system architecture to which latency testing methods and apparatus may be applied, according to one embodiment of the present disclosure;
Fig. 2 is a flow chart of a latency testing method according to one embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a home interface according to one embodiment of the present disclosure;
fig. 4 is a flow chart of a latency testing method according to another embodiment of the present disclosure;
fig. 5 is a flow chart of a latency testing method according to another embodiment of the present disclosure;
FIG. 6 is a flow chart of a method of determining a picture transmission delay between a first device and a second device according to one embodiment of the present disclosure;
fig. 7 is a flow chart of a latency testing method according to another embodiment of the present disclosure;
fig. 8 is a block diagram of a latency testing device according to one embodiment of the present disclosure;
fig. 9 is a block diagram of a delay test apparatus according to another embodiment of the present disclosure;
fig. 10 is a block diagram of a delay test apparatus according to another embodiment of the present disclosure;
fig. 11 is a block diagram of an electronic device of a latency testing method according to one embodiment of the present disclosure.
Detailed Description
Exemplary embodiments of the present disclosure are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Fig. 1 is a schematic diagram of an exemplary system architecture to which latency testing methods and apparatus may be applied, according to one embodiment of the present disclosure. It should be noted that fig. 1 is only an example of a system architecture to which embodiments of the present disclosure may be applied to assist those skilled in the art in understanding the technical content of the present disclosure, but does not mean that embodiments of the present disclosure may not be used in other devices, systems, environments, or scenarios.
As shown in fig. 1, a system architecture 100 according to this embodiment may include a terminal device 101, a vehicle-mounted end device 102, and a photographing device 103.
The terminal device 101 may be installed with an application of an internet of vehicles product that may provide map navigation services and various entertainment services. In the vehicle-mounted scenario, the terminal device 101 and the vehicle-mounted device 102 may establish connection through a USB interface or a WIFI hotspot, etc. The terminal device 101 transmits an application program interface on a screen thereof to the vehicle-mounted device 102 in real time and displays the application program interface on the screen of the vehicle-mounted device 102, a user can operate on the interface displayed on the screen of the vehicle-mounted device 102, the vehicle-mounted device 102 transmits a position (coordinates on the screen) operated by the user to the terminal device 101, the terminal device 101 responds according to the position operated by the user, and a screen after the response is transmitted to the vehicle-mounted device 102.
In order to improve the user operation experience, the delay of the picture transmission needs to be reduced as much as possible, so that the testing and statistics of the delay of the picture transmission are indispensable tasks.
In the process of implementing the embodiments of the present disclosure, the inventor has found that a timer program may be run on the terminal device 101, so that the time may be displayed on the screen of the terminal device 101 in real time, the displayed time may be a timer time accurate to milliseconds, and then the time is displayed on the screen transmitted to the in-vehicle device 102. The pictures presented by the terminal device 101 and the in-vehicle device 102 are photographed or video is photographed using the photographing device 103, and the picture transmission delay is determined from the difference between the time on the picture of the terminal device 101 and the time on the in-vehicle device 102 in the photographed pictures or video.
It should be noted that, by taking a photo, the time delay of the picture at a certain moment can be counted. The method can count the picture time delay of the Internet of vehicles application program in different operation scenes by shooting video, for example, the picture time delay of the Internet of vehicles application program in the vehicle navigation scene, the picture time delay of the Internet of vehicles application program in the music playing scene and the like, and can count the average time delay of the picture time delay according to the time delay of the Internet of vehicles application program in different operation scenes and the like, so that the picture transmission time delay of the application program in different operation scenes and the average time delay of the picture transmission have important significance for the optimization of the subsequent application program.
Fig. 2 is a flow chart of a latency testing method according to one embodiment of the present disclosure.
As shown in fig. 2, the delay test method 200 may include operations S210 to S230. The execution subjects of operations S210 to S230 may be terminal devices.
In operation S210, a timer program is run, and a time stamp generated by running the timer program is displayed in the course of running the timer program.
For example, by running a timer program, the time stamp may be generated in real time, and displayed on the screen of the terminal device in real time, and the time stamp may be a timer time accurate to milliseconds.
In operation S220, at least one test module in the test program is run.
For example, each test module in the test program provides each function of the internet of vehicles application program, such as a function of displaying a home page, a map navigation function, a music playing function, a vehicle owner information management function, and the like, and can realize switching of each function. The plurality of test modules in the test program may include a home page test module, a navigation test module, a function switch test module, a music test module, and so on.
In operation S230, at least one preset interface generated by operating each test module is displayed in the course of operating the test module, a first screen including a currently displayed time stamp and the at least one preset interface is generated, and the first screen is transmitted.
For example, by running each functional module of the test program, at least one preset interface corresponding to the functional module may be generated. For example, when the map navigation function module is operated, a map interface may be generated, and an interface for navigating a preset geographic location may be generated. A preset interface generated by running the function module may be displayed on a screen of the terminal device.
Specifically, the time stamp is displayed on the terminal device in real time, and the preset interface is displayed on the screen of the terminal device in real time through the functional module running the test program, that is, the time stamp and the preset interface are displayed on the screen of the terminal device. And capturing a screen of the terminal equipment, generating a first picture containing a time stamp and a preset interface, and transmitting the first picture to the vehicle-mounted equipment in real time.
According to an embodiment of the present disclosure, a timer program is run, a time stamp generated by running the timer program is displayed during running of the timer program, at least one test module of the test program is run, at least one preset interface generated by running the test module is displayed during running of each test module, a first screen including the currently displayed time stamp and the at least one preset interface is generated, and the first screen is transmitted. Compared with the prior art, the method has the advantages that the interface is manually switched by manpower, the screen picture can be automatically switched by running the test program in a mode of manually observing the picture transmission time delay, interference caused by the manual switching interface is avoided, the time stamp is displayed in the picture, the time delay can be accurately calculated based on the displayed time stamp, and therefore the accuracy and the efficiency of the time delay test are improved.
According to the embodiment of the disclosure, each test module in the test program provides each function of the internet of vehicles application program, such as a function of displaying a home page, a map navigation function, a music playing function, a vehicle owner information management function, and the like, and can realize switching of each function. The plurality of test modules in the test program may include a home page test module, a navigation test module, a function switching test module, a music playing test module, and so on.
Specifically, when the home page testing module is operated, a home page interface is generated, and the home page interface is displayed on the screen, and the home page testing module can be operated for a preset period of time, such as 10 minutes, and the home page interface is displayed on the screen for 10 minutes, which can be regarded as that the home page is stationary for 10 minutes. And the time stamp is displayed in real time, and the time delay of transmitting the still picture between the terminal equipment and the vehicle-mounted equipment is determined according to the difference between the time stamp displayed on the screen of the terminal equipment and the time stamp displayed on the screen of the vehicle-mounted equipment within 10 minutes of the static display of the home page.
FIG. 3 is a schematic diagram of a home interface according to one embodiment of the present disclosure.
As shown in fig. 3, a plurality of preset functional controls are displayed on the home interface, which may be a navigation control 301, a music control 302, a car owner information control 303, and the like, and each functional control may implement a corresponding function after being selected.
Specifically, in order to test the time delay of a transmission picture between the terminal device and the vehicle-mounted device when switching between the functional controls, a functional switching test module is set in a test program in the embodiment of the disclosure. The switching test module can be preset with a plurality of switching interfaces, one of the plurality of functional controls can be sequentially selected on the home page when the functional switching test module is operated, when one functional control is selected each time, the corresponding switching interface can be selected from the preset plurality of switching interfaces and displayed, and when the next functional control is selected, the other corresponding switching interface can be selected from the preset plurality of switching interfaces and displayed, so that a picture for switching the plurality of functional controls is formed.
The switching test module may run for a preset period of time, for example, 10 minutes, and then the multiple switching interfaces are displayed on the screen for 10 minutes, which may be regarded as the multiple functional controls switching for 10 minutes. And the time stamp is displayed in real time, and the time delay of the transmission switching picture between the terminal equipment and the vehicle-mounted equipment is determined according to the difference between the time stamp displayed on the screen of the terminal equipment and the time stamp displayed on the screen of the vehicle-mounted equipment within 10 minutes of the switching display of the plurality of functional controls.
Specifically, when the navigation test module is operated, a navigation control is selected on the home page, a map interface is generated, the map interface is displayed on a screen, and a preset geographic position can be navigated to generate an execution interface of map navigation. The navigation test module may run for a preset period of time, for example, 10 minutes, and the map navigation execution interface is displayed on the screen for 10 minutes. And the time stamp is displayed in real time, and the time delay of transmitting the navigation picture between the terminal equipment and the vehicle-mounted equipment is determined according to the difference between the time stamp displayed on the screen of the terminal equipment and the time stamp displayed on the screen of the vehicle-mounted equipment within 10 minutes displayed on the execution interface of map navigation.
Specifically, when the music test module is operated, a music control is selected on the home page, a music playing interface is generated, the music playing interface is displayed on a screen, and a preset track can be played to generate an execution interface of music playing. The music test module may run for a preset period of time, such as 10 minutes, and the execution interface for music playing is displayed on the screen for 10 minutes. The time stamp is displayed in real time, and the time delay of transmitting the music playing picture between the terminal equipment and the vehicle-mounted equipment is determined according to the difference between the time stamp displayed on the screen of the terminal equipment and the time stamp displayed on the screen of the vehicle-mounted equipment within 10 minutes displayed on the execution interface of the music playing.
Fig. 4 is a flow chart of a latency testing method according to another embodiment of the present disclosure.
As shown in fig. 4, the delay test method 400 may include operations S410 to S430. The execution subjects of operations S410 to S430 may be in-vehicle devices.
In operation S410, a first picture including a timestamp is received.
For example, the vehicle-mounted device receives, in real time, a first picture transmitted by the terminal device, where the first picture includes a timestamp and a preset interface, the timestamp is generated by running a timing program by the terminal device, and the preset interface is generated by executing a test program by the terminal.
In operation S420, a second screen is generated from the first screen.
In operation S430, a second screen is displayed.
For example, the in-vehicle device receives the first screen, and may adjust the size of the first screen to generate a second screen with a preset size, where the second screen with the preset size matches the screen size of the in-vehicle device. Displaying the second screen on the screen of the in-vehicle device can provide a better user experience.
Fig. 5 is a flow chart of a latency testing method according to another embodiment of the present disclosure.
As shown in fig. 5, the delay test method 500 may include operations S510 to S520. The execution subjects of operations S510 to S520 may be photographing apparatuses.
In operation S510, video capturing is performed on a screen of the first device and a screen of the second device, so as to obtain a plurality of time delay test images.
For example, video of a preset duration is shot on a screen of the first device and a screen of the second device, the preset duration may be 10 minutes, and the shot video of the preset duration is segmented according to frames to obtain a plurality of time delay test images.
The time delay test image comprises a first picture displayed on a screen of the first device and a second picture displayed on a screen of the second device, wherein the first picture comprises a time stamp and a preset picture, the time stamp is generated by running a timing program by the terminal device, and the preset interface is generated by executing the test program by the terminal. The second picture is generated by the second device from the first picture received from the first device.
In operation S520, a picture transmission delay between the first device and the second device is determined according to the time stamp on the first picture and the time stamp on the second picture in each of the delay test images.
For example, an area where a timestamp on a first picture in the delay test image is located may be intercepted, an area where a timestamp on a second picture in the delay test image is located may be intercepted, a time value of the timestamp is identified from the intercepted area, and a picture transmission delay between the terminal device and the vehicle-mounted device is determined according to the identified value of the timestamp on the first picture and the identified value of the timestamp on the second picture. The time value of the timestamp can be accurate to milliseconds, thereby improving the accuracy of the delay.
According to the embodiment of the disclosure, video shooting is performed on a screen of a terminal device and a screen of a vehicle-mounted device to obtain a plurality of time delay test images, the time delay test images comprise a first picture displayed on a screen of a first device and a second picture displayed on a screen of a second device, the second picture is generated by the second device according to the received first picture from the first device, and picture transmission time delay between the first device and the second device is determined according to a time stamp on the first picture and a time stamp on the second picture in each time delay test image. Compared with the prior art, by shooting pictures on the screen of the terminal equipment and the screen of the vehicle-mounted equipment, according to the mode of analyzing the time delay according to the pictures at a single moment, the embodiment of the invention shoots the video on the screen of the terminal equipment and the screen of the vehicle-mounted equipment, can cover a plurality of running scenes, has more comprehensive data and improves the accuracy of time delay test.
Fig. 6 is a flowchart of a method of determining a picture transmission delay between a first device and a second device according to one embodiment of the present disclosure.
As shown in fig. 6, the delay test method 600 may include operations S6521 to S6523.
In operation S6521, the values of the time stamps on the first screen and the second screen in each of the time delay test images are extracted.
For example, the CRNN algorithm may be used to digitally identify a timestamp on a first picture and a timestamp on a second picture. Specifically, a first image block containing a time stamp is cut out from a first picture in a time delay test image, a second image block containing a time stamp is cut out from a second picture in the time delay test image, a first feature map of the first image block is extracted, a second feature map of the second image is extracted, a first feature sequence of numbers is extracted from the first feature map, a second feature sequence of numbers is extracted from the second feature map, a value of the time stamp on the first picture is determined according to the first feature sequence, and a value of the time stamp on the second picture is determined according to the second feature sequence.
In operation S6522, a difference between the value of the timestamp on the first screen and the value of the timestamp on the second screen in each of the time-lapse test images is calculated, resulting in a time difference for each of the time-lapse test images.
In operation S6523, a picture transmission delay between the first device and the second device is determined according to time differences for the plurality of delay test images.
For example, the time difference between the time stamp on the first picture and the time stamp on the second picture in each time delay test image is calculated, the sum of the time differences between the time stamp on the first picture and the time stamp on the second picture in all the time delay test images is calculated, and the time delay average value of the picture transmission between the terminal equipment and the vehicle-mounted equipment is obtained by dividing the number of the time delay test images.
Fig. 7 is a flow chart of a latency testing method according to another embodiment of the present disclosure.
As shown in fig. 7, the delay test method 700 may include operations S701 to S715.
In operation S701, the terminal device displays a time stamp on a screen.
For example, the terminal device displays the time stamp on the screen in real time by running a timer program.
In operation S702, the terminal device is connected with the in-vehicle device.
For example, the terminal device and the vehicle-mounted device establish connection through a USB interface or a WIFI hotspot.
In operation S703, the terminal device runs a test program.
For example, the test program may be automatically executed at regular time after the terminal device is successfully connected to the vehicle-mounted device, or in response to an operation of clicking a test by a tester on the vehicle-mounted device, the vehicle-mounted device sends a position clicked by the tester to the terminal device, and the terminal device determines to execute the test program according to the position clicked by the tester. The test program comprises a plurality of test modules, such as a home page test module, a function switching test module, a navigation test module, a music test module and the like.
In operation S704, the home page test module of the test program is run, and the process of running the home page test module is used as the first running scenario.
Under the first operation scene, the terminal equipment generates a home page interface, displays the home page interface on a screen, generates a first picture containing a time stamp and the home page interface, and sends the first picture to the vehicle-mounted equipment; the in-vehicle device receives the first screen, generates a second screen from the first screen, and displays the second screen on the screen.
For example, the home page test module may run for a preset period of time, such as 10 minutes, and the home page interface may be displayed on the screen for 10 minutes, and the first running scene may be regarded as a home page static scene.
In operation S705, the photographing apparatus performs video photographing on a screen of the terminal apparatus and a screen of the in-vehicle apparatus of the test program in the first operation scene, obtains a video for the first operation scene, and saves the video.
For example, the photographing apparatus may be operated with a preset photographing program, a timing at which the photographing program starts photographing a video of the first operation scene may be determined according to a timing at which the test program is operated to the first operation scene, and a timing at which the photographing program ends photographing the video of the first operation scene may be determined according to a timing at which the operation of the first operation scene ends. For example, the first operation scene is operated for 10 minutes, and the photographing apparatus photographs the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the first operation scene for 10 minutes.
In operation S706, the function switching test module of the test program is run, and the process of running the function switching test module is used as a second running scenario.
Under the second operation scene, the terminal equipment selects one of a plurality of preset functional controls on a home page interface, selects one of a plurality of switching interfaces according to the selected functional control, displays the selected switching interface on a screen, generates a first picture containing a time stamp and the switching interface, and sends the first picture to the vehicle-mounted equipment; the in-vehicle device receives the first screen, generates a second screen from the first screen, and displays the second screen on the screen.
For example, the function switching test module may operate for a preset period of time, such as 10 minutes, and then the plurality of switching interfaces are displayed on the screen for 10 minutes, and the second operation scene may be regarded as a function switching scene.
In operation S707, the photographing apparatus performs video photographing on the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the second operation scene, obtains a video for the second operation scene, and saves the video.
For example, the timing at which the photographing program in the photographing apparatus starts photographing the video of the second operation scene may be determined according to the timing at which the test program is operated to the second operation scene, and the timing at which the photographing program ends photographing the video of the second operation scene may be determined according to the timing at which the operation of the second operation scene ends. For example, the second operation scene is operated for 10 minutes, and the photographing apparatus photographs the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the second operation scene for 10 minutes.
In operation S708, the music test module running the test program takes the process of running the music test module as a third running scenario.
In the third operation scene, the terminal equipment selects a music control on the home page, can play a preset track, generates an execution interface of music playing, generates a first picture containing a time stamp and the execution interface of music playing, and sends the first picture to the vehicle-mounted equipment; the in-vehicle device receives the first screen, generates a second screen from the first screen, and displays the second screen on the screen.
For example, the music test module may run for a preset period of time, such as 10 minutes, and the execution interface of music playing is displayed on the screen for 10 minutes, and the third running scene may be regarded as a music playing scene.
In operation S709, the photographing apparatus performs video photographing of the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the third operation scene, obtains a video for the third operation scene, and saves the video.
For example, the timing at which the photographing program in the photographing apparatus starts photographing the video of the third operation scene may be determined according to the timing at which the test program is operated to the third operation scene, and the timing at which the photographing program ends photographing the video of the third operation scene may be determined according to the timing at which the operation of the third operation scene ends. For example, the third operation scene is operated for 10 minutes, and the photographing apparatus photographs the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the third operation scene for 10 minutes.
In operation S710, the navigation test module of the test program is run, and the process of running the navigation test module is taken as a fourth running scenario.
In the fourth operation scene, the terminal equipment selects a navigation control on the home page, can navigate a preset geographic position, generates a map navigation execution interface, generates a first picture containing a time stamp and the map navigation execution interface, and sends the first picture to the vehicle-mounted equipment; the in-vehicle device receives the first screen, generates a second screen from the first screen, and displays the second screen on the screen.
For example, the navigation test module may run for a preset period of time, such as 10 minutes, and the navigation execution interface may display for 10 minutes on the screen, and the third running scene may be regarded as a map navigation scene.
In operation S711, the photographing apparatus performs video photographing of a screen of the terminal apparatus and a screen of the in-vehicle apparatus of the test program in the fourth operation scene, obtains a video for the fourth operation scene, and saves the video.
For example, the timing at which the photographing program in the photographing apparatus starts photographing the video of the fourth operation scene may be determined according to the timing at which the test program is operated to the fourth operation scene, and the timing at which the photographing program ends photographing the video of the fourth operation scene may be determined according to the timing at which the operation of the fourth operation scene ends. For example, the fourth operation scene is operated for 10 minutes, and the photographing apparatus photographs the screen of the terminal apparatus and the screen of the in-vehicle apparatus of the test program in the fourth operation scene for 10 minutes.
In operation S712, the video of each photographed operation scene is cut into a plurality of time delay test pictures according to frames.
For example, each of the time delay test images includes a first screen displayed on the screen of the terminal device and a second screen displayed on the screen of the in-vehicle device.
In operation S713, for each time delay test picture, a region where a time stamp on a first picture in the time delay test image is located is cut out, and a region where a time stamp on a second picture in the time delay test image is located is cut out.
In operation S714, a time value of the time stamp is identified from the intercepted area.
In operation S715, for each time delay test picture, a difference between the identified time value of the timestamp on the first picture and the time value of the timestamp on the second picture is calculated, resulting in a time difference for the time delay test picture. And calculating the sum of the time differences of all the time delay test images and dividing the sum by the number of the time delay test images to obtain the time delay average value of the picture transmission between the terminal equipment and the vehicle-mounted equipment.
Fig. 8 is a block diagram of a latency testing device according to one embodiment of the present disclosure.
As shown in fig. 8, the latency test 800 may include a first run module 801, a second run module 802, and a process module 803.
The first operation module 801 is configured to operate a timer program, and display a timestamp generated by operating the timer program during the operation of the timer program.
The second running module 802 is used to run at least one of the test modules.
The processing module 803 is configured to display at least one preset interface generated by running each test module during running the test module, generate a first screen including a timestamp currently displayed and the at least one preset interface, and send the first screen.
According to an embodiment of the disclosure, the preset interface includes a home interface, the at least one test module includes a first test module, and the processing module 802 includes a first generating unit and a first display unit.
The first generation unit is used for generating a home page interface by operating the first test module.
The first display unit is used for displaying a home page interface on a screen.
According to an embodiment of the present disclosure, the preset interface includes a plurality of switching interfaces, the at least one test module further includes a second test module, and the processing module 803 includes a first selection unit, a second selection unit, and a second display unit.
The first selection unit is used for selecting one of a plurality of preset functional controls on the home page interface by running the second test module.
The second selection unit is used for selecting one of the plurality of switching interfaces according to the selected functional control.
The second display unit is used for displaying the selected switching interface on the screen.
According to an embodiment of the present disclosure, the preset interface includes a plurality of execution interfaces, the at least one test module further includes a third test module, and the processing module 803 includes a third selection unit, a second generation unit, and a third display unit.
The third selection unit is used for selecting one of a plurality of preset functional controls on the home page interface by operating the third test module.
The second generation unit is used for generating an execution interface according to the selected functional control.
The third display unit is used for displaying an execution interface on the screen.
Fig. 9 is a block diagram of a latency testing device according to one embodiment of the present disclosure.
As shown in fig. 9, the latency test 900 may include a receiving module 901, a generating module 902, and a display module 903.
The receiving module 901 is configured to receive a first picture including a timestamp.
The generating module 902 is configured to generate a second frame according to the first frame.
The display module 903 is configured to display a second screen.
Fig. 10 is a block diagram of a latency testing device according to one embodiment of the present disclosure.
As shown in fig. 10, the time delay test 1000 may include a photographing module 1001 and a determining module 1002.
The shooting module 1001 is configured to perform video shooting on a screen of a first device and a screen of a second device to obtain a plurality of time-delay test images, where the time-delay test images include a first screen displayed on the screen of the first device and a second screen displayed on the screen of the second device, and the first screen is generated by the first device, and the second screen is generated by the second device according to the received first screen from the first device.
The determining module 1002 is configured to determine a picture transmission delay between the first device and the second device according to the timestamp on the first picture and the timestamp on the second picture in each delay test image.
According to an embodiment of the present disclosure, the determination module 1002 includes an extraction unit, a calculation unit, and a determination unit.
The extraction unit is used for extracting the value of the time stamp on the first picture and the value of the time stamp on the second picture in each time delay test image.
The calculating unit is used for calculating the difference value between the value of the time stamp on the first picture and the value of the time stamp on the second picture in each time delay test image to obtain the time difference for each time delay test image.
The determining unit is used for determining the picture transmission delay between the first device and the second device according to the time difference of the plurality of delay test images.
According to an embodiment of the disclosure, the extracting unit is specifically configured to extract a first image block including a timestamp from a first frame in the time-delay test image, and extract a second image block including a timestamp from a second frame in the time-delay test image; extracting a first feature map of the first image block and extracting a second feature map of the second image; the value of the timestamp on the first picture is determined from the first feature map and the value of the timestamp on the second picture is determined from the second feature map.
According to embodiments of the present disclosure, the present disclosure also provides an electronic device, a readable storage medium and a computer program product.
Fig. 11 illustrates a schematic block diagram of an example electronic device 1100 that can be used to implement embodiments of the present disclosure. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the disclosure described and/or claimed herein.
As shown in fig. 11, the apparatus 1100 includes a computing unit 1101 that can perform various appropriate actions and processes according to a computer program stored in a Read Only Memory (ROM) 1102 or a computer program loaded from a storage unit 1108 into a Random Access Memory (RAM) 1103. In the RAM 1103, various programs and data required for the operation of the device 1100 can also be stored. The computing unit 1101, ROM 1102, and RAM 1103 are connected to each other by a bus 1104. An input/output (I/O) interface 1105 is also connected to bus 1104.
Various components in device 1100 are connected to I/O interface 1105, including: an input unit 1106 such as a keyboard, a mouse, etc.; an output unit 1107 such as various types of displays, speakers, and the like; a storage unit 1108, such as a magnetic disk, optical disk, etc.; and a communication unit 1109 such as a network card, modem, wireless communication transceiver, or the like. The communication unit 1109 allows the device 1100 to exchange information/data with other devices through a computer network such as the internet and/or various telecommunication networks.
The computing unit 1101 may be a variety of general purpose and/or special purpose processing components having processing and computing capabilities. Some examples of computing unit 1101 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various computing units running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, etc. The computing unit 1101 performs the various methods and processes described above, such as a latency test method. For example, in some embodiments, the latency testing method may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as storage unit 1108. In some embodiments, some or all of the computer programs may be loaded and/or installed onto device 1100 via ROM 1102 and/or communication unit 1109. When the computer program is loaded into the RAM 1103 and executed by the computing unit 1101, one or more steps of the latency testing method described above may be performed. Alternatively, in other embodiments, the computing unit 1101 may be configured to perform the latency test method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the internet.
The computer system may include a client and a server. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel or sequentially or in a different order, provided that the desired results of the technical solutions of the present disclosure are achieved, and are not limited herein.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (14)
1. A method of latency testing comprising:
running a timing program, and displaying a time stamp generated by running the timing program in the process of running the timing program;
running at least one test module in a test program, wherein each test module in the test program is used for providing each function of the Internet of vehicles application program;
responding to each test module in the running test program, automatically executing each function of the Internet of vehicles application program, and generating interfaces of each function and switching of the interfaces;
displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing a currently displayed time stamp and the at least one preset interface, and sending the first picture;
Wherein the at least one test module comprises a function switching test module; displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing a currently displayed time stamp and the at least one preset interface, and sending the first picture comprises:
responding to the operation of the function switching test module, executing the switching among the functions, and generating a switching picture for switching among the functions;
generating a first picture comprising a currently displayed time stamp and the switching picture, and transmitting the first picture;
the at least one test module further comprises a navigation test module; displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing a currently displayed time stamp and the at least one preset interface, and sending the first picture further comprises:
responding to the operation of the navigation test module, executing navigation on a preset geographic position and generating a navigation picture;
generating a first picture comprising a currently displayed time stamp and the navigation picture, and transmitting the first picture;
The method further comprises the steps of: the second equipment receives the first picture, generates a second picture according to the first picture, and displays the second picture;
the method further comprises the steps of: video shooting is carried out on a screen of the first equipment and a screen of the second equipment to obtain a plurality of time delay test images, wherein the time delay test images comprise a first picture displayed on the screen of the first equipment and a second picture displayed on the screen of the second equipment; and determining the picture transmission time delay between the first equipment and the second equipment according to the time stamp on the first picture and the time stamp on the second picture in each time delay test image.
2. The method of claim 1, wherein the preset interface comprises a home interface, the at least one test module comprises a first test module, and the displaying at least one preset interface generated by running the test module comprises:
generating a home page interface by operating the first test module;
and displaying the home page interface on a screen.
3. The method of claim 2, wherein the preset interface comprises a plurality of switching interfaces, the at least one test module further comprises a second test module, and the displaying the at least one preset interface generated by running the test module comprises:
Selecting one of a plurality of preset functional controls on a home page interface by operating a second test module;
selecting one of the plurality of switching interfaces according to the selected functionality control;
the selected switching interface is displayed on the screen.
4. The method of claim 2, wherein the preset interface comprises a plurality of execution interfaces, the at least one test module further comprises a third test module, and the displaying at least one preset interface generated by running the test module comprises:
selecting one of a plurality of preset functional controls on a home page interface by operating a third test module;
generating the execution interface according to the selected function control;
and displaying the execution interface on a screen.
5. The method of claim 1, wherein the determining a picture transmission delay between the first device and the second device based on the time stamp on the first picture and the time stamp on the second picture in the respective delay test image comprises:
extracting the value of the time stamp on the first picture and the value of the time stamp on the second picture in each time delay test image;
calculating the difference between the value of the time stamp on the first picture and the value of the time stamp on the second picture in each time delay test image to obtain the time difference for each time delay test image;
And determining the picture transmission delay between the first equipment and the second equipment according to the time difference of the test images aiming at a plurality of time delays.
6. The method of claim 5, wherein extracting the value of the timestamp on the first frame and the value of the timestamp on the second frame in each time lapse test image comprises:
a first image block containing a time stamp is cut out from a first picture in the time delay test image, and a second image block containing the time stamp is cut out from a second picture in the time delay test image;
extracting a first feature map of the first image block and extracting a second feature map of the second image;
and determining the value of the time stamp on the first picture according to the first characteristic diagram, and determining the value of the time stamp on the second picture according to the second characteristic diagram.
7. A latency testing system comprising:
the first device is used for running a timing program, displaying a time stamp generated by running the timing program in the process of running the timing program, running at least one test module in the test program, wherein each test module in the test program is used for providing each function of the internet of vehicles application program, responding to each test module in the test program, automatically executing each function of the internet of vehicles application program, generating interfaces of each function and switching of the interfaces, displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing the currently displayed time stamp and the at least one preset interface, and transmitting the first picture to the second device;
Wherein the at least one test module comprises a function switching test module; the first device is used for responding to the operation of the function switching test module, executing the switching between the functions and generating a switching picture for switching between the functions; generating a first picture comprising a currently displayed time stamp and the switching picture, and transmitting the first picture;
the at least one test module further comprises a navigation test module; the first device is further used for responding to the operation of the navigation test module, performing navigation on a preset geographic position and generating a navigation picture; generating a first picture comprising a currently displayed time stamp and the navigation picture, and transmitting the first picture;
the second device is used for receiving a first picture from the first device, generating a second picture according to the first picture, and displaying the second picture;
and the third device is used for carrying out video shooting on the screen of the first device and the screen of the second device to obtain a plurality of time delay test images, wherein the time delay test images comprise a first picture displayed on the screen of the first device and a second picture displayed on the screen of the second device, and the picture transmission time delay between the first device and the second device is determined according to the time stamp on the first picture and the time stamp on the second picture in each time delay test image.
8. A time delay testing apparatus comprising:
the first operation module is used for operating a timing program and displaying a time stamp generated by operating the timing program in the process of operating the timing program;
the second operation module is used for operating at least one test module in the test program, wherein each test module in the test program is used for providing each function of the Internet of vehicles application program;
the response module is used for responding to each test module in the running test program, automatically executing each function of the Internet of vehicles application program and generating interfaces of each function and switching of the interfaces;
the processing module is used for displaying at least one preset interface generated by running each test module in the process of running the test module, generating a first picture containing a currently displayed time stamp and the at least one preset interface, and sending the first picture;
wherein the at least one test module comprises a function switching test module; the processing module is used for responding to the operation of the function switching test module, executing the switching between the functions and generating a switching picture for switching between the functions; generating a first picture comprising a currently displayed time stamp and the switching picture, and transmitting the first picture;
The at least one test module further comprises a navigation test module; the processing module is also used for responding to the operation of the navigation test module, executing navigation on a preset geographic position and generating a navigation picture; generating a first picture comprising a currently displayed time stamp and the navigation picture, and transmitting the first picture;
the apparatus further comprises: the receiving module is used for receiving the first picture; the generation module is used for generating a second picture according to the first picture; the display module is used for displaying the second picture;
the apparatus further comprises: the shooting module is used for shooting videos of a screen of the first equipment and a screen of the second equipment to obtain a plurality of time delay test images, wherein the time delay test images comprise a first picture displayed on the screen of the first equipment and a second picture displayed on the screen of the second equipment; and the determining module is used for determining the picture transmission time delay between the first equipment and the second equipment according to the time stamp on the first picture and the time stamp on the second picture in each time delay test image.
9. The apparatus of claim 8, wherein the preset interface comprises a home interface, the at least one test module comprises a first test module, and the processing module comprises:
The first generation unit is used for generating a home page interface by running the first test module;
and the first display unit is used for displaying the home page interface on a screen.
10. The apparatus of claim 9, wherein the preset interface comprises a plurality of switching interfaces, the at least one test module further comprises a second test module, and the processing module comprises:
the first selection unit is used for selecting one of a plurality of preset functional controls on the home page interface by running the second test module;
the second selection unit is used for selecting one of the plurality of switching interfaces according to the selected functional control;
and a second display unit for displaying the selected switching interface on the screen.
11. The apparatus of claim 9, wherein the preset interface comprises a plurality of execution interfaces, the at least one test module further comprises a third test module, and the processing module comprises:
the third selection unit is used for selecting one of a plurality of preset functional controls on the home page interface by running a third test module;
the second generation unit is used for generating the execution interface according to the selected functional control;
and the third display unit is used for displaying the execution interface on a screen.
12. The apparatus of claim 8, wherein the means for determining comprises:
the extraction unit is used for extracting the value of the time stamp on the first picture and the value of the time stamp on the second picture in each time delay test image;
the calculating unit is used for calculating the difference value between the value of the timestamp on the first picture and the value of the timestamp on the second picture in each time delay test image to obtain the time difference for each time delay test image;
and the determining unit is used for determining the picture transmission delay between the first equipment and the second equipment according to the time difference of the plurality of delay test images.
13. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 6.
14. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1 to 6.
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| CN114323067A (en) * | 2021-12-02 | 2022-04-12 | 一汽奔腾轿车有限公司 | Vehicle navigation data timeliness test method |
| CN114398017B (en) * | 2022-01-13 | 2024-07-23 | 百度在线网络技术（北京）有限公司 | Time delay detection method and device and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105791986A (en) * | 2014-12-23 | 2016-07-20 | 中国移动通信集团公司 | Video time delay detection method and device |
| CN107734285A (en) * | 2017-10-25 | 2018-02-23 | 北京奇艺世纪科技有限公司 | A kind of picture time-delay calculation system, method and device |
| CN111405218A (en) * | 2020-03-26 | 2020-07-10 | 深圳市微测检测有限公司 | Touch screen time delay detection method, system, device, equipment and storage medium |
| CN111722964A (en) * | 2019-03-21 | 2020-09-29 | 福建天泉教育科技有限公司 | Screen-casting delay testing method and terminal |
| CN111949509A (en) * | 2019-05-17 | 2020-11-17 | 百度在线网络技术（北京）有限公司 | Application software response time testing method, device, equipment and storage medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9020203B2 (en) * | 2012-05-21 | 2015-04-28 | Vipaar, Llc | System and method for managing spatiotemporal uncertainty |
-
2021
- 2021-03-02 CN CN202110232311.0A patent/CN112994980B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105791986A (en) * | 2014-12-23 | 2016-07-20 | 中国移动通信集团公司 | Video time delay detection method and device |
| CN107734285A (en) * | 2017-10-25 | 2018-02-23 | 北京奇艺世纪科技有限公司 | A kind of picture time-delay calculation system, method and device |
| CN111722964A (en) * | 2019-03-21 | 2020-09-29 | 福建天泉教育科技有限公司 | Screen-casting delay testing method and terminal |
| CN111949509A (en) * | 2019-05-17 | 2020-11-17 | 百度在线网络技术（北京）有限公司 | Application software response time testing method, device, equipment and storage medium |
| CN111405218A (en) * | 2020-03-26 | 2020-07-10 | 深圳市微测检测有限公司 | Touch screen time delay detection method, system, device, equipment and storage medium |
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