CN110662026A - IPTV and OTT set top box test method and test device with consistency comparison function - Google Patents

Abstract

The present invention provides a method and device for testing IPTV and OTT set-top boxes with a function of consistency comparison. The method steps are as follows: S1, configure a virtual remote control model and a set-top box test task; S2, collect infrared signals of the remote control to perform the virtual remote control Key learning of the model; S3, use the virtual remote control model to perform the set-top box test task, and obtain the test result; S4, analyze the test result based on the image matching algorithm, and compare the video data consistency. The device includes a box body and a box cover, the front panel of the box body is provided with a network interface, the rear panel of the box body is provided with a power input port, a power output port, an HDMI input port and an HDMI output port, and the interior of the box body is provided with exchange Module, HDMI Tee Module, HDMI Male, HDMI Female and Relay. The method and device of the present invention have low test cost, simple test configuration, consistent test environment and user environment, test results closer to actual user perception, and high test accuracy.

Description

A kind of IPTV and OTT set-top box test method and test method with consistency comparison function test device

technical field

The invention relates to a set-top box testing method and a testing device for testing IPTV and OTT video service quality, belonging to the technical field of video service quality testing.

Background technique

IPTV/OTT services rely on IP network transmission, and the video service traffic is relatively large. With the improvement of users' requirements for video experience, ultra-clear and 4K videos are gradually popularized, and the requirements for ensuring the quality of IPTV/OTT services are also getting higher and higher. Various test technologies and test instruments based on IPTV/OTT service content consistency comparison, network quality, service quality, security protection, user behavior analysis, etc. have emerged. The existing IPTV/OTT service quality-related test instruments are as follows: defect:

(1) Install the test software on the set-top box, and analyze the user behavior and quality of each sampling period on the set-top box in the form of sampling packets and network test tasks. Although this method can realize the collection and quality of large-scale set-top box terminal data However, since the network quality indicators are sensitive, the fluctuations of the indicators in the test may not completely correspond to the actual viewing experience of users. Therefore, a large number of data samples are required to combine the operator's network architecture, video resolution, video content, and set-top box terminal model. and other information for analysis, the monitoring cost is high;

(2) Deploy a professional monitoring instrument on the upper-layer network of the set-top box, and simulate the user's video playback behavior through the monitoring instrument for full packet capture and analysis. Since the detection equipment needs to support the initiation of a large number of concurrent test requests, the equipment configuration is much higher than that of the set-top box equipment. There are differences in terminal equipment hardware and network environment, and there are differences in monitoring results. Only the overall quality trend can be evaluated.

SUMMARY OF THE INVENTION

Aiming at the problems of the existing IPTV/OTT video service test method monitoring cost is too high and the test instrument monitoring result is not accurate enough, the present invention proposes an IPTV and OTT set-top box test method and test device with a consistency comparison function. The device is directly connected between the TV network, the set-top box and the TV monitor, and the virtual remote control is used to send remote control commands to perform test operations, collect video source data and set-top box data, and compare video consistency in real time to test the quality of video services.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical means:

A test method for IPTV and OTT set-top boxes with consistency comparison function, which specifically includes the following steps:

S1. Configure a virtual remote control model and a set-top box test task on the man-machine interface;

S2, collect the infrared signal of the physical remote control, and carry out the button learning of the virtual remote control model;

S3. Use the learned virtual remote control model to perform the set-top box test task, and acquire and store the test results;

S4. Analyze the test results based on the image matching algorithm, and compare the data on the program source side with the data on the user side of the set-top box for consistency.

Further, the specific operation of configuring the virtual remote control model on the man-machine operation interface is:

Search the remote control model in the remote control model library according to the set-top box manufacturer, remote control manufacturer and remote control model. When the remote control model is retrieved, it is judged whether the remote control model meets the requirements, and the remote control model is used as the virtual remote control if it meets the requirements. When the model is not retrieved or the retrieved model does not meet the requirements, configure the name, position and shape of each button on the blank remote control model to generate a virtual remote control model.

Further, the specific operation of configuring the set-top box test task on the man-machine interface is:

According to the test requirements, select test indicators, remote control buttons and test operations in turn to generate the set-top box test task; the test indicators include the total boot time of the set-top box, the response time of the set-top box channel, the channel switching time of the set-top box, the page poster loading time, and the video output from the set-top box. The remote control keys include key names and key sequences, and the test operations include video recording, screen capture, data capture, and test abnormality analysis.

Further, the specific operations of step S2 are as follows:

S21, select a button on the virtual remote control model to perform button learning;

S22, press the corresponding button on the physical remote control, use the infrared receiving device to receive the infrared signal emitted by the physical remote control, and convert the infrared signal into an electrical signal;

S23, performing wave detection, shaping, and amplifying operations on the electrical signal, and then performing data sampling on it, and storing the binary data of each sampling point in a database with 8 bits as a unit;

S24. Repeat steps S21 to S23 until the key learning of all keys on the virtual remote control model is completed, and a remote control command library corresponding to the virtual remote control model is obtained.

Further, the specific operation of step S3 is:

Select a set-top box test task, obtain the test indicators, remote control buttons and test operations of the set-top box test task, use the remote control buttons and remote control command library to send virtual remote control commands, control the set-top box to perform test operations, use software to obtain test indicators, and use the test The device extracts the video data on the program source side and the video data on the set-top box side, and stores the test index and the collected video data as the test result.

Further, the specific operation of step S4 is:

Set up multiple test points in the test device according to the time coordinates, and configure the screenshot test operation for the infrared probe of each test point, and use the test device to sequentially intercept the images of the video data on the program source side and the video data on the set-top box side to obtain multiple sets of screenshots. Data, based on the image matching algorithm, perform data matching between the program source side image and the set-top box side image in each group of screenshot data, and determine whether the program source side image and the set-top box user side image are consistent.

An IPTV and OTT set-top box test device with a consistency comparison function, comprising a box body and a box cover, a network interface is arranged on the front panel of the box body, and a power input port, a power output port, HDMI is arranged on the rear panel of the box body The input port and the HDMI output port are provided with a switch module, an HDMI tee module, 2 HDMI male headers, 2 HDMI female headers and a relay; the switching module is installed on the inside of the front panel of the chassis, and the switching module is connected to the front panel in turn The HDMI three-way module and the two HDMI male headers are respectively fixed on the bottom panel of the box body, the two HDMI female headers are respectively installed on the rear panel of the box body, and the input end of the HDMI three-way module Connect one end of the 2 HDMI male headers to the output end respectively, the other end of the 2 HDMI male headers are respectively connected to one end of the 2 HDMI female headers, and the other ends of the 2 HDMI female headers are respectively connected to the HDMI input port and HDMI on the rear panel. An output port, the relay is fixedly installed on the bottom panel of the box, two ends of the relay are respectively connected to a power input port and a power output port; the power input port is connected to an external DC power supply.

Further, a motherboard fixing bracket is installed inside the box body, an equipment motherboard is fixed on the motherboard fixing bracket, and a memory, a CPU fan, a CPU heat sink and a LAN port are installed on the equipment motherboard, and the CPU fan and the CPU are installed on the motherboard. The heat sink is fixed on one side of the memory, the CPU heat sink is distributed around the CPU fan, and the LAN port is connected to the switch module through a cable.

Further, an IR interface is also arranged on the rear panel of the box body, and a USB-IR line connected to the IR interface is arranged inside the box body.

Further, a DC-DC conversion module is also installed inside the box, one end of the DC-DC conversion module is connected to the power input port, and the other end of the DC-DC conversion module is connected to the relay, the exchange module and the power output respectively. mouth.

After adopting the above technical means, the following advantages can be obtained:

The invention provides a test method and test device for IPTV and OTT set-top boxes with a function of consistency comparison. The method of the invention uses a virtual remote control model and a set-top box test task to automatically perform test operations, and realizes set-top box video playback through image recognition and packet capture analysis. During the IPTV/OTT video service quality test and consistency comparison, because the video data on the program source side and the set-top box side are directly collected for comparison, the test environment is consistent with the actual user environment, and the test results are accurate and reliable. The advantages of the device of the present invention are as follows: (1) It has multiple functions, and simultaneously has functions such as network forwarding, infrared learning, infrared emission, test script recording and execution, and test result analysis; (2) the device is small in size and easy to deploy, and the It is provided with various interfaces such as power supply interface, network interface, HDMI interface, etc., which can meet the connection requirements of network, power supply, display and other equipment in the process of automatic test of set-top box, and realize the connection function of set-top box without adding additional interfaces and hardware equipment. And realize the video service quality test; (3) the device is more efficient, only need to configure the remote control and test task configuration once, and cooperate with the script to realize the automatic and uninterrupted test. The method and device of the present invention have the advantages of low test cost, simple test configuration, consistent test environment with user environment, test results closer to actual user perception, and higher test accuracy.

Description of drawings

FIG. 1 is a flow chart of the steps of a method for testing an IPTV and an OTT set-top box with a consistency comparison function according to the present invention.

Fig. 2 is the structure diagram of a kind of IPTV and OTT set-top box test device with consistency comparison function of the present invention; wherein, (a) is the internal structure diagram of the device, (b) is the structure diagram of the front panel of the box, (c) is the box The structure diagram of the rear panel of the device, (d) is the structure diagram of the main board of the device in the device, and (e) is the structure diagram of the main board fixing bracket in the device.

FIG. 3 is a schematic diagram of a connection between a device and a TV network, a set-top box, and a TV display in an embodiment of the present invention.

In the figure, 1 is the box, 2 is the cover, 3 is the switch module, 4 is the HDMI tee module, 5 is the HDMI male, 6 is the HDMI female, 7 is the relay, 8 is the USB-IR cable, and 9 is the HDMI cable. USB module, 10 is the cooling fan, 11 is the cable, 12 is the mesh cooling port, 13 is the rack ear, 14 is the network interface, 15 is the power input port, 16 is the power output port, 17 is the HDMI input port, 18 is the HDMI output port, 19 is the power switch, 20 is the serial port, 21 is the USB port, 22 is the IR port, 23 is the device motherboard, 24 is the memory, 25 is the CPU fan, 26 is the CPU heat sink, 27 is the LAN port, 28 is the SATA-PWR port, 29 is SATA port, 30 is ATX port, 31 is SYS-FAN port, 32 is motherboard fixing bracket, 33 is screw hole, 34 is switch module heat sink, 35 is fixing plate, 36 is DC-DC Conversion module, 37 is TV network, 38 is set-top box, 39 is TV monitor, 40 is external power supply, 41 is upper-level equipment, 42 is set-top box power interface, 43 is HDMI port, 44 is set-top box LAN port.

Detailed ways

Below in conjunction with accompanying drawing, technical scheme of the present invention is further described:

A test method for IPTV and OTT set-top boxes with consistency comparison function, as shown in Figure 1, specifically includes the following steps:

S1. Configure the virtual remote control model and set-top box test tasks on the man-machine interface; the man-machine interface is generally a page configured on the computer side. The man-machine interface can not only be used to configure the virtual remote control model and set-top box test tasks, but also Send test task execution instructions, display test results, etc.

For the commonly used set-top boxes on the market, you can first collect the data of the remote control of the set-top box, establish the corresponding remote control model, and store it in the remote control model library. Each remote control model in the remote control model library corresponds to the manufacturer and model information. In addition, a blank remote control model is also set in the remote control model library, that is, a model with only an empty shell and no specific buttons. There is a button library linked to the remote control model library, and there are various button shapes stored in the button library. When the virtual remote control model needs to be configured, first access the remote control model library from the man-machine interface, and retrieve the remote control model in the remote control model library according to the manufacturer of the set-top box, the remote control manufacturer and the remote control model. When the remote control model is retrieved , display the remote control model on the man-machine operation interface, you can manually or use a machine to judge whether the remote control model meets the requirements, that is, whether the remote control model is the same as the physical remote control, and the remote control model that meets the requirements is used as a virtual remote control When the model is not retrieved or the retrieved model does not meet the requirements, you can call the blank remote control model, select the button shape from the linked button library according to the physical remote control, and configure each button on the blank remote control model. Name, position and button shape, generate a virtual remote control model.

On the man-machine operation interface, according to the test requirements, select the test indicators, remote control buttons and test operations in turn to generate the set-top box test task; the test indicators include the total start-up time of the set-top box, the channel response time of the set-top box, the channel switching time of the set-top box, the page poster loading time, and the set-top box. Output video, etc. The remote control buttons include button names, button sequences, etc., and test operations include video recording, screen capture, data capture, and test abnormality analysis. For example, the test indicator of a set-top box test task is the channel switching time of the set-top box. The button names in the corresponding remote control buttons include the power-on button, the channel switching case and the confirmation button. The button sequence is the first step, click the power button, and the second step, click Confirm the case to enter the first channel, the third step, click the channel switch button, the fourth step, click the confirm button to enter the next channel. The corresponding test operations are video recording and time data capture.

S2. Collect the infrared signal of the physical remote control, and carry out the button learning of the virtual remote control model; the specific operations are as follows:

S21. Select a key on the virtual remote control model to perform key learning.

S22. Press the corresponding button on the physical remote controller, the physical remote controller will use infrared light-emitting diodes to transmit the button information with infrared light as the carrier, and use the infrared receiving device to receive the infrared signal emitted by the physical remote controller, and convert the infrared signal into electric signal.

S23 , performing wave detection, shaping, and amplifying operations on the electrical signal, and then performing data sampling on the electrical signal, and storing the binary data of each sampling point in a database with 8 bits as a unit.

S24. Repeat steps S21 to S23 until the key learning of all keys on the virtual remote control model is completed, and a remote control command library corresponding to the virtual remote control model is obtained. The remote control command library includes key names and digital remote control instructions corresponding to the keys, even if The set-top box can also be controlled by calling the remote control commands without performing key operations on the physical remote control.

S3. Use the learned virtual remote control model to perform the set-top box test task, and acquire and store the test results; the specific operations are:

Select a set-top box test task, obtain the test indicators, remote control buttons and test operations of the set-top box test task, use the remote control buttons and remote control command library to send virtual remote control commands, control the set-top box to perform test operations, use software to obtain test indicators, and use the test The device extracts the video data on the program source side and the video data on the set-top box side, and stores the test index and the collected video data as the test result.

S4. Analyze the test results based on the image matching algorithm, and compare the data on the program source side with the data on the user side of the set-top box; the specific operations are as follows:

Set up multiple test points in the test device according to the time coordinates, and configure the screenshot test operation for the infrared probe of each test point, and use the test device to sequentially intercept the images of the video data on the program source side and the video data on the set-top box side to obtain multiple sets of screenshots. Data, based on the image matching algorithm, perform data matching between the program source side image and the set-top box side image in each group of screenshot data, and determine whether the program source side image and the set-top box user side image are consistent.

When configuring the set-top box test task, the method of the present invention can set the time interval of the test task execution and the duration of each execution, so that after the set-top box test task is selected in step S3, the set-top box test task can be automatically and repeatedly executed according to the time interval and the execution duration. , and continuously update the test results to ensure the timeliness and accuracy of the test results.

In addition, the method of the present invention only needs to stagger the execution time of different set-top box test tasks, and can automatically execute multiple set-top box test tasks, thereby realizing comprehensive and reliable video service quality testing.

An integrated set-top box testing device, as shown in Figures 2 and 3, the device includes a box body 1 and a box cover 2, and protruding fixing plates 35 are provided on both sides of the box cover. There are screw holes 33 on the top of the box to cover the box cover on the box body, and the box cover and the box body can be fixed together by bolts matched with the screw holes. The upper rack ears 13 are respectively installed on both sides of the box body, and the upper rack ears are provided with screw holes. The upper rack ears and matching bolts can be used to fix the device on the cabinet, wall and other positions.

Three network interfaces 14 are provided on the front panel of the box, two of which are used to connect the TV network 37 and the set-top box LAN port 44 on the set-top box 38 respectively, and the other network interface is an Ethernet management port, used to connect The upper-level device 41 performs operations such as testing device management, issuing a virtual remote control template recording task, issuing a set-top box test task, and reporting test results. The rear panel of the box is provided with a power input port 15, a power output port 16, an HDMI input port 17, an HDMI output port 18, a power switch 19, a serial port 20, a USB port 21 and an IR interface 22. The data cable is connected to the external power supply 40 to provide power for the test device; the power output port is connected to the set-top box power interface 42 through the matching data cable, and the power connected to the power input port is transmitted to the set-top box to supply power for the set-top box; HDMI input port is connected to the set-top box The HDMI port 43 and the HDMI output port are connected to the TV monitor 39; the power switch is connected to the power input port and the power output port respectively, the serial port and the USB port are used to connect external devices for data transmission, and the IR interface can receive infrared signals.

A switch module 3 , an HDMI three-way module 4 , 2 HDMI male headers 5 , 2 HDMI female headers 6 , a relay 7 , a USB-IR line 8 , a USB module 9 and a cable 11 are arranged inside the box. The switch module is used for network video service transfer. The switch module is installed on the inside of the front panel of the chassis and connected to the network interface on the front panel. The switch module receives TV network signals through the network interface, converts the signals and then transmits them to the The set-top box, the specific model of the switching module in the embodiment of the present invention is DYR-S5QI-003. A heat sink 34 of the exchange module is fixedly installed beside the exchange module, which is used to dissipate heat when the exchange module is working, so as to prevent the exchange module from being damaged due to overheating. The HDMI tee module and 2 HDMI male headers are fixedly installed on the bottom panel of the box, respectively, and the 2 HDMI female headers are respectively installed on the rear panel of the box. The input end and 1 output end of the HDMI tee module are respectively connected to 2 One end of the HDMI male header, the other end of the 2 HDMI male headers are respectively connected to one end of the 2 HDMI female headers, and the other end of the 2 HDMI female headers are respectively connected to the HDMI input port and HDMI output port on the rear panel, HDMI tee module , HDMI male head, HDMI female head, HDMI input port and HDMI output port jointly realize the transfer function of video data from the set-top box to the TV display. In the embodiment of the present invention, the specific model of the HDMI three-way module is eKLUH02. The relay is fixedly installed on the bottom panel of the box. The relay is connected to the power input port, power output port and power switch respectively. The relay and the power switch jointly control the power-on and power-off of the device. When the power supply is abnormal, the relay can disconnect the circuit in time to protect the device. Internal electrical components, in the embodiment of the present invention, the relay adopts LCUS-2 type 2 circuits. The USB-IR line is installed on the inner side of the rear panel of the box and is connected to the IR interface on the rear panel. The USB-IR line can transmit the infrared signal received by the IR interface to the upper-level equipment. In the embodiment of the present invention, the type of the USB-IR line is is AUL01. The USB module is fixedly installed above the USB-IR line and connected to the USB port on the rear panel. When an external device is connected to the USB port, the USB module can realize bidirectional data transmission.

Since the device contains a large number of electronic devices, when the device is powered on, these electronic devices will generate a certain amount of heat. If the heat in the box cannot be discharged in time, the temperature in the box will be too high, causing potential safety hazards. A cooling fan 10 is arranged on one side of the box of the device, and mesh cooling ports 12 are opened on both sides of the box. After the device is powered on, the cooling fan starts to work, and the heat in the box is dissipated from the mesh. It can effectively reduce the internal temperature of the box and prevent the device from being damaged by excessive temperature.

The power input port of this device is usually connected to 12V voltage. In order to ensure the normal operation of each electronic device inside the device, a DC-DC conversion module 36 is installed inside the box. One end of the DC-DC conversion module is connected to the power input port, and the DC-DC conversion The other end of the module is connected to the power output port, switching module, relay, cooling fan and other equipment respectively. The DC-DC conversion module can convert the connected 12V voltage into 5V voltage for the equipment to use.

The main board fixing bracket 32 is also installed inside the box body, the surface of the main board fixing bracket is provided with screw holes, the two sides of the main board fixing bracket are provided with mounting plates, the mounting plate is provided with screw holes, and the main board fixing bracket is fixed in the box by bolts , and a certain distance from the bottom panel of the box. The device motherboard is fixed on the motherboard fixing bracket by means of studs. The device motherboard is installed with memory 24, CPU fan 25, CPU heat sink 26, USB port 21, LAN port 27, SATA-PWR port 28, SATA port 29, ATX port 30 and SYS-FAN port 31, the LAN port of the device mainboard is connected to the switch module through a cable, the USB port is connected to the USB module and the USB-IR cable, and the device mainboard is also connected to another output end of the HDMI three-way module through a cable. The memory of the device motherboard is fixed on one side of the motherboard, the CPU fan and CPU heat sink are fixed in the middle of the motherboard and on the memory side, and the CPU heat sink is evenly distributed around the CPU fan. The main board of the device can obtain the video data of the TV network and the video data of the set-top box through the switch module and the HDMI three-way module.

The working principle of the device of the invention is as follows: connect the TV network and the network port of the set-top box respectively through the network interface on the front panel of the cabinet, connect the external power supply through the power input port on the rear panel of the cabinet, the power output port is connected to the power port of the set-top box, and the HDMI input port Connect the HDMI port of the set-top box, and connect the HDMI output port to the monitor of the TV. After the power is turned on, according to the virtual remote control model button learning task, the IR interface receives the infrared signal of the physical remote control, and the device motherboard analyzes the received infrared signal to complete the button learning. The switching module obtains the video data of the TV network from the network interface, and at the same time transfers the network video data to the set-top box through the network interface. The HDMI female header obtains the video data of the set-top box through the HDMI input port, and transmits the data to the TV through the HDMI output port. machine display. The main board of the equipment is connected to the switching module and the HDMI three-way module through cables. According to the test task of the set-top box, the main board of the equipment obtains the video data of the program source side transmitted by the TV network, the video data of the side of the set-top box and the test indicators, and analyzes the video data of the program source side and the set-top box. The side video data is compared for consistency, and the video service quality test is completed.

The method and device of the present invention can be tested based on the actual playback effect of the set-top box terminal, and the actual viewing experience of the user on the set-top box terminal device can be obtained, and the video service during the set-top box video playback and EPG browsing can be realized by means of image recognition and packet capture analysis. Quality test, and can compare the data on the program source side and the user side of the set-top box to realize the consistency comparison function of IPTV/OTT video services. The device has the characteristics of integration and portability, which can improve the test environment deployment efficiency of the equipment. Compared with the existing technology, the device deployment cost is low, the video test cost is low, the test configuration is simple, the test content is wide, and the test environment is consistent with the user environment. The test results are closer to the actual perception of users.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, the present invention can also be used without departing from the purpose of the present invention. make various changes.

Claims (10)

1. A method for testing an IPTV set top box and an OTT set top box with consistency comparison function is characterized by comprising the following steps:

s1, configuring a virtual remote controller model and a set top box test task on a human-computer operation interface;

s2, collecting infrared signals of the entity remote controller, and performing key learning of the virtual remote controller model;

s3, executing a set top box test task by using the learned virtual remote controller model, and acquiring and storing a test result;

and S4, analyzing the test result based on the image matching algorithm, and comparing the consistency of the data at the program source side and the data at the set top box user side.

2. The IPTV and OTT set-top box testing method with consistency comparison function as claimed in claim 1, wherein the specific operation of configuring the virtual remote controller model on the human-machine operation interface is as follows:

and searching a remote controller model in a remote controller model library according to the set top box manufacturer, the remote controller manufacturer and the remote controller model, judging whether the remote controller model meets the requirements when the remote controller model is searched, taking the remote controller model meeting the requirements as a virtual remote controller model, and configuring the name, the position and the key shape of each key on a blank remote controller model when the model is not searched or the searched model does not meet the requirements to generate the virtual remote controller model.

3. The IPTV and OTT set-top box testing method with consistency comparison function as claimed in claim 1, wherein the specific operation of configuring the set-top box testing task on the human-machine operation interface is as follows:

sequentially selecting a test index, a remote controller key and a test operation according to a test requirement to generate a set top box test task; the testing indexes comprise the total starting time of the set top box, the channel response time of the set top box, the channel switching time of the set top box, the page poster loading time and the video output by the set top box, the keys of the remote controller comprise key names and key sequences, and the testing operation comprises video recording, screen capturing, data capturing and abnormal testing analysis.

4. The IPTV and OTT set-top box testing method with consistency comparison function as claimed in claim 3, wherein the specific operation of step S2 is as follows:

s21, selecting a key on the virtual remote controller model to perform key learning;

s22, pressing a corresponding key on the entity remote controller, receiving an infrared signal emitted by the entity remote controller by using infrared receiving equipment, and converting the infrared signal into an electric signal;

s23, carrying out detection, shaping and amplification operations on the electric signal, then carrying out data sampling on the electric signal, and storing binary data of each sampling point into a database by taking 8 bits as a unit;

and S24, repeating the steps S21-S23 until the key learning of all keys on the virtual remote controller model is completed, and obtaining a remote control command library corresponding to the virtual remote controller model.

5. The IPTV and OTT set-top box testing method with consistency comparison function as claimed in claim 4, wherein the specific operation of step S3 is:

selecting a set top box test task, acquiring a test index, a remote controller key and a test operation of the set top box test task, sending a virtual remote control instruction by using the remote controller key and a remote control command library, controlling the set top box to perform the test operation, acquiring the test index by using software, extracting video data at the program source side and video data at the set top box side by using a test device, and storing the test index and the acquired video data as a test result.

6. The IPTV and OTT set-top box testing method with consistency comparison function as claimed in claim 1, wherein the specific operations of step S4 are as follows:

the method comprises the steps of setting a plurality of test points in a test device according to a time coordinate, configuring screen capture test operation for an infrared probe of each test point, sequentially capturing images of program source side video data and set top box side video data by using the test device, obtaining a plurality of groups of screen capture data, carrying out data matching on the program source side images and the set top box side images in each group of screen capture data based on an image matching algorithm, and judging whether the program source side images are consistent with set top box user side images.

7. The IPTV and OTT set top box testing device with the consistency comparison function comprises a box body and a box cover, and is characterized in that a network interface is arranged on a front panel of the box body, a power supply input port, a power supply output port, an HDMI input port and an HDMI output port are arranged on a rear panel of the box body, and an exchange module, an HDMI three-way module, 2 HDMI male heads, 2 HDMI female heads and a relay are arranged in the box body;

the switching module is installed on the inner side of a front panel of the chassis, the switching module is sequentially connected with a network interface on the front panel, the HDMI three-way module and the 2 HDMI male heads are respectively and fixedly installed on a panel at the bottom of the box body, the 2 HDMI female heads are respectively installed on a rear panel of the box body, the input end and the output end of the HDMI three-way module are respectively connected with one end of the 2 HDMI male heads, the other end of the 2 HDMI male heads are respectively connected with one end of the 2 HDMI female heads, the other end of the 2 HDMI female heads are respectively connected with an HDMI input port and an HDMI output port on the rear panel, the relay is fixedly installed on the panel at the bottom of the box body, and two ends of;

the power supply input port is connected with an external direct-current power supply.

8. The IPTV and OTT set-top box testing device with consistency comparison function as claimed in claim 7, wherein a motherboard fixing bracket is installed inside the box body, an equipment motherboard is fixed on the motherboard fixing bracket, an internal memory, a CPU fan, a CPU heat sink and a LAN port are installed on the equipment motherboard, the CPU fan and the CPU heat sink are fixed on one side of the internal memory, the CPU heat sink is distributed around the CPU fan, and the LAN port is connected with the switching module through a cable.

9. The IPTV and OTT set-top box testing device with consistency comparison function as claimed in claim 7, wherein the back panel of the box body is further provided with an IR interface, and the inside of the box body is provided with a USB-IR line connected with the IR interface.

10. The IPTV and OTT set-top box testing device with consistency comparison function as defined in claim 7, wherein a DC-DC conversion module is further installed inside the box body, one end of the DC-DC conversion module is connected with the power input port, and the other end of the DC-DC conversion module is respectively connected with the relay, the switching module and the power output port.

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