CN103369402A - Method and system for comparing functional consistency of multiple set top boxes - Google Patents

Method and system for comparing functional consistency of multiple set top boxes Download PDF

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Publication number
CN103369402A
CN103369402A CN2013102809904A CN201310280990A CN103369402A CN 103369402 A CN103369402 A CN 103369402A CN 2013102809904 A CN2013102809904 A CN 2013102809904A CN 201310280990 A CN201310280990 A CN 201310280990A CN 103369402 A CN103369402 A CN 103369402A
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top box
test
module
set top
testing
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CN103369402B (en
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李国华
王荣芳
李亚
李法
刘汝
闫昆
洪太海
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Bo Hui Science and Technology Co., Ltd. of Beijing
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BEIJING BOHUI TECHNOLOGY Co Ltd
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Abstract

The invention discloses a method for comparing the functional consistency of a multiple set top boxes. According to the method, multiple set top boxes are tested at the same time by adopting a remote control way; a testing process is performed via a B/S (Browser/Server) framework; the IP (Internet Protocols) of each piece of set top box gateway equipment is obtained before testing to distinguish different set top boxes; in the testing process, the response information of each set top box is acquired respectively; the response information includes alarm information, work log information and audios and videos recorded automatically in case of a failure; and in the testing process, manual test and automatic test can be performed respectively. The invention further discloses a system for comparing the functional consistency of multiple set top boxes. In the system, the B/S framework is adopted. The system comprises a set top box management platform serving as a testing service operation end, wherein the management platform is connected with a plurality of set top box testing management front ends provided with system background processing software through a network; the management front ends are connected with multiple pieces of set top box gateway equipment through the network; and each piece of set top box gateway equipment is connected with a set top box.

Description

A kind of method and system of carrying out multiple set-top box functionality consistency comparison
Technical field
The present invention relates to a kind of method of carrying out multiple set-top box functionality consistency comparison, relate to O﹠M technology or the method for wired interactive television system, belong to the cable digital TV monitoring or assist the O﹠M technical field.The invention still further relates to a kind of system that carries out multiple set-top box functionality consistency comparison.
Background technology
In recent years, along with the fast development of cable digital TV, the function of set-top box from strength to strength, kind is more and more, and cable digital TV operator needs to realize to the conforming contrast test of multiple set-top box functionality and record trouble in order to review.Present existing set top box testing is mainly for the function of set-top box itself and the test of aspect of performance, generally be to only limit to manually carry out man-to-man test for set-top box itself, can monitor the practice condition of the realization of set-top box basic function, trouble hunting or maintenance, the problem of existence be testing efficiency low, can not automatically test, test repeatability is poor and test data can not effectively be managed etc.
In the set-top box running, set-top box can be passed through serial ports or the daily record of network interface output services, this daily record generally is used for set-top box research staff positioning analysis problem, because too specialty is insignificant often, so this daily record output also usually is closed when set-top box formally puts into production concerning operator or O﹠M personnel in this daily record.
 
Summary of the invention
For the problem that exists in the background technology, the object of the present invention is to provide a kind of method of carrying out multiple set-top box functionality consistency comparison, take full advantage of the daily record of work interface of set-top box, the operator of function conformance testing and automatic batch test is carried out in hope to set-top box, can require the content of open this log interface of set-top box manufacturer even the output of customization log interface.The present invention sees live set-top box program, sees program request and the button operation reviewed in the process of program etc. carries out corresponding one by one with the set-top box output journal from starting shooting to, arrange to the system management software as detecting rule, when the same day, mystery was normal, management software can send alarm and to the set-top box picture in this process record a video, log reciprocal process, with the function consistency comparison that realizes different set-top box, malfunction elimination, the automatic purpose of test.
The present invention also provides a kind of system that carries out multiple set-top box functionality consistency comparison simultaneously.
The objective of the invention is to be achieved through the following technical solutions:
A kind of method of carrying out multiple set-top box functionality consistency comparison, described method adopts the Long-distance Control mode that a plurality of set-top box are tested simultaneously, test process is undertaken by the B/S framework, obtain the IP of each set-top box gateway device before the test to distinguish different set-top box, gather respectively the reaction information of each set-top box in the test process, described reaction information comprises warning message, daily record of work information and the audio frequency and video of automatic recording when breaking down;
Described test process can carry out respectively manual test and automatically test;
In the described manual test process, set-top box is sent the infrared control signal of simulation and carried out functional test, automatically gather reaction information, the reaction information that manual queries gathers;
In the described automatic testing process, at first manually set-top box is added test item, automatically set up test assignment, next automatically performs test assignment and carries out functional test, automatically gathers reaction information, the reaction information that manual queries gathers.
Further, at described manual test with outside automatically testing, can also inquire about by the B/S framework audio frequency and video of recording when described routine work information comprises historical warning message, the daily record of work information that generates in the routine work and job failure occurs to set-top box routine work information.
Further, described warning message is according to the daily record of work Automatic generation of information.
Further, the reaction information automatic classification statistical analysis of described method to gathering, classify according to test assignment title, set-top box gateway device IP, category of test, test item, beginning and ending time, type of alarm and log information keyword, can inquire about according to above-mentioned classification when inquiring about the reaction information that gathers.
Be applied to a kind of system that carries out multiple set-top box functionality consistency comparison in the said method, described system adopts the B/S framework, described system comprises the set-top box management platform as the testing service operating side, several are provided with the set top box testing management front end of system's background process software to described set-top box management platform by network connection, each set top box testing management front end is by several set-top box gateway devices of network connection, each set-top box gateway device all connects a tested set-top box, carry out the transmitting-receiving of test command and reaction information with tested set-top box, described set-top box gateway device and tested set-top box consist of the test terminal jointly; The reaction information of several test terminals that same set top box testing management front end is controlled is showed on described set-top box management platform simultaneously.
Further, described set-top box management platform is provided with for the system management module that adds, revises and delete described set top box testing management front end and described test terminal; Described system management module connects control has manual test module and automatic test module, described automatic test module to comprise test item administration module, test assignment module and test mode and results management module.
Further, described set-top box management platform adopts " Http+Xml " agreement and set top box testing management front end to communicate.
Further, described set top box testing management front end is provided with for realizing and the communication of set-top box management platform, order preliminary treatment, the distribution command main control module to each submodule and the operation of scheduling sublayer module, and described submodule comprises remote manual control module, automatic test module, serial ports log server module and audio frequency and video processing module.
Further, described set-top box gateway device is provided with audio-video collection module, audio-video frequency content monitoring analysis module, audio/video coding module, data transmit-receive module and infrared control signal simulation and module occurs.
Further, the video format of described audio-video collection module support is: CVBS, VGA/YPbPr and HDMI; The audio format of supporting is: stereophony; Described data transmit-receive module adopts UDP or RTMP agreement to carry out data output.
Further, described audio/video coding module is supported H.264 Video coding, code check 50Kbps~8Mbps; Support the AAC audio coding, code check 16Kbps~64Kbps.
Further, described infrared control signal simulation is provided with infrared receiving terminal, infrared transmitting tube and set-top box state acquisition module with the generation module, simulate different types of infrared control signal according to different types of tested set-top box, tested set-top box is carried out functional test.
The present invention has following positive technique effect:
The present invention is based on the B/S architecture design, operator can adopt the Long-distance Control mode that a plurality of set-top box are tested simultaneously, take full advantage of set-top box daily record of work interface, effectively finish the test to function consistency and the stability of multiple set-top box, test result is showed simultaneously, with the comparison of function consistency, malfunction elimination, the automatic purpose of testing that realizes different set-top box.
The present invention has the set-top box remote batch and controls, automatically performs test assignment, the warning of set-top box log automatic analyzing, test result automatic statistical analysis, the daily record of automatic recorder top box and the corresponding characteristics such as output content, can improve the intelligent level of set top box testing.
 
Description of drawings
Fig. 1 is the structured flowchart of Compare System of the present invention;
Fig. 2 is the structured flowchart that the present invention adopts the set-top box management platform;
Fig. 3 is the structured flowchart of set top box testing that the present invention adopts management front end;
Fig. 4 is the structured flowchart that the present invention adopts the set-top box gateway device;
Fig. 5 is the flow chart that the present invention carries out set top box testing.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, structure of the present invention, workflow are described in detail as follows.
Be illustrated in figure 1 as one of embodiment of Compare System of the present invention, comparison method of the present invention can embody by Compare System.
In this embodiment, the system that carries out multiple set-top box functionality consistency comparison adopts the B/S framework, described system comprises the set-top box management platform as the testing service operating side, several are provided with the set top box testing management front end of system's background process software to the set-top box management platform by network connection, each set top box testing management front end is by several set-top box gateway devices (BHIP71) of network connection, each set-top box gateway device all connects a tested set-top box, carry out the transmitting-receiving of test command and reaction information with tested set-top box, set-top box gateway device and tested set-top box consist of the test terminal jointly; The reaction information of several test terminals that same set top box testing management front end is controlled is showed on described set-top box management platform simultaneously.
The below is elaborated to each part that native system consists of.
(1) set-top box management platform
As shown in Figure 2, the set-top box management platform is provided with for the system management module that adds, revises and delete set top box testing management front end and test terminal; System management module connects control has manual test module and automatic test module, automatic test module to comprise test item administration module, test assignment module and test mode and results management module.
The manual test module is used for manual control machine top box gateway device tested set-top box is sent the simulation control command, and inquiry the reaction information that gathers and routine work information.
The test item administration module is used for adding, revises and the deletion test item, and definition and button operation sequence corresponding to record test item.
The test assignment module is used for adding, revises and deletion test assignment (tested object+test item+testing time consists of test assignment), issue test assignment according to task arrange from trend set top box testing management front end, gather, analyze implementation status or the result of current test assignment and generate and report to the police.
Test mode and results management module are used for the reaction information that real-time exhibition set top box testing tasks carrying situation and real-time exhibition gather, and the download function of reaction information is provided.
The set-top box management platform adopts " Http+Xml " agreement and set top box testing management front end to communicate.
(2) set top box testing management front end
As shown in Figure 3, set top box testing management front end is provided with for realizing and the communication of set-top box management platform, order preliminary treatment, the distribution command main control module to each submodule and the operation of scheduling sublayer module, and described submodule comprises remote manual control module, automatic test module, serial ports log server module and audio frequency and video processing module.
The remote manual control module is used for the set-top box of appointment is sent test command and returns audio frequency and video URL.
Automatic test module be used for to add, the deletion test assignment, executes the task according to task time started and cycle, and execution result is judged, test result is reported.
Serial ports log server module is used for receiving the BHIP71 clean culture serial ports daily record out of appointment, by set-top box 15*24h is carried out in daily record and preserves, and as server end the daily record of certain set-top box is transmitted, and daily record was searched for by set-top box, time.
The audio frequency and video processing module is used for receiving the BHIP71 clean culture audio frequency and video out of appointment, by set-top box 15*24h is carried out in daily record and preserves, and audio frequency and video are live.
(3) set-top box gateway device
As shown in Figure 4, the set-top box gateway device is provided with audio-video collection module, audio-video frequency content monitoring analysis module, audio/video coding module, data transmit-receive module and infrared control signal simulation and module occurs.
The video format of audio-video collection module support is: CVBS, VGA/YPbPr and HDMI; The audio format of supporting is: stereophony; Described data transmit-receive module adopts UDP or RTMP agreement to carry out data output.
The audio/video coding module is supported H.264 Video coding, code check 50Kbps~8Mbps; Support the AAC audio coding, code check 16Kbps~64Kbps.
The set-top box gateway device is also supported video image zooming, is supported OSD stack (character string, temporal information etc.).Also have input video source automatic detection function, but self adaptation set-top box change resolution.
The infrared control signal simulation is provided with infrared receiving terminal, infrared transmitting tube and set-top box state acquisition module with module occurs, and simulates different types of infrared control signal according to different types of tested set-top box, and tested set-top box is carried out functional test.
(4) operating process
As shown in Figure 5, operating process brief description of the present invention is as follows:
1) at first, adds corresponding set-top box front end by the set-top box management platform;
2) then, obtain the test terminal that to test;
3) obtain the test terminal after, the query manipulation that just can enter manual test, adds test item and carry out historical warning message, audio frequency and video and log information;
4) after manual test is finished, can show current user and the mission bit stream that takies this set-top box, and relevant audio frequency and video and log information, and then can carry out the inquiry of audio frequency and video and log information and preserve down operation;
5) after the success of interpolation test item, can operate by carrying out the interpolation test assignment, set up the task of one or more tests, and then carry out automatic test operation;
6) carry out automatically test, can unusually carry out alarm, displaying and inquire about real-time logs and picture what capture by daily record, can check the implementation status of inquiry fault detail information and test assignment.
 
Above describedly be construed as the present invention and be not limited to above embodiment just for the present invention is described, meet the various flexible form of inventive concept all within protection scope of the present invention.

Claims (10)

1. one kind is carried out the method that multiple set-top box functionality consistency is compared, it is characterized in that, described method adopts the Long-distance Control mode that a plurality of set-top box are tested simultaneously, test process is undertaken by the B/S framework, obtain the IP of each set-top box gateway device before the test to distinguish different set-top box, gather respectively the reaction information of each set-top box in the test process, described reaction information comprises warning message, daily record of work information and the audio frequency and video of automatic recording when breaking down;
Described test process can carry out respectively manual test and automatically test;
In the described manual test process, set-top box is sent the infrared control signal of simulation and carried out functional test, automatically gather reaction information, the reaction information that manual queries gathers;
In the described automatic testing process, at first manually set-top box is added test item, automatically set up test assignment, next automatically performs test assignment and carries out functional test, automatically gathers reaction information, the reaction information that manual queries gathers.
2. the method for claim 1, it is characterized in that, at described manual test with outside automatically testing, can also inquire about by the B/S framework audio frequency and video of recording when described routine work information comprises historical warning message, the daily record of work information that generates in the routine work and job failure occurs to set-top box routine work information.
3. the method for claim 1 is characterized in that, described warning message is according to the daily record of work Automatic generation of information.
4. method as claimed in claim 1 or 2, it is characterized in that, the reaction information automatic classification statistical analysis of described method to gathering, classify according to test assignment title, set-top box gateway device IP, category of test, test item, beginning and ending time, type of alarm and log information keyword, can inquire about according to above-mentioned classification when inquiring about the reaction information that gathers.
5. be applied to weigh a kind of system that carries out multiple set-top box functionality consistency comparison in each described method of 1-4, described system adopts the B/S framework, it is characterized in that, described system comprises the set-top box management platform as the testing service operating side, several are provided with the set top box testing management front end of system's background process software to described set-top box management platform by network connection, each set top box testing management front end is by several set-top box gateway devices of network connection, each set-top box gateway device all connects a tested set-top box, carry out the transmitting-receiving of test command and reaction information with tested set-top box, described set-top box gateway device and tested set-top box consist of the test terminal jointly; The reaction information of several test terminals that same set top box testing management front end is controlled is showed on described set-top box management platform simultaneously.
6. system as claimed in claim 5 is characterized in that, described set-top box management platform is provided with for the system management module that adds, revises and delete described set top box testing management front end and described test terminal; Described system management module connects control has manual test module and automatic test module, described automatic test module to comprise test item administration module, test assignment module and test mode and results management module.
7. system as claimed in claim 5 is characterized in that, described set-top box management platform adopts " Http+Xml " agreement and set top box testing management front end to communicate.
8. system as claimed in claim 5, it is characterized in that, described set top box testing management front end is provided with for realizing and the communication of set-top box management platform, order preliminary treatment, the distribution command main control module to each submodule and the operation of scheduling sublayer module, and described submodule comprises remote manual control module, automatic test module, serial ports log server module and audio frequency and video processing module.
9. system as claimed in claim 5 is characterized in that, described set-top box gateway device is provided with audio-video collection module, audio-video frequency content monitoring analysis module, audio/video coding module, data transmit-receive module and infrared control signal simulation and module occurs.
10. system as claimed in claim 9, it is characterized in that, described infrared control signal simulation is provided with infrared receiving terminal, infrared transmitting tube and set-top box state acquisition module with the generation module, simulate different types of infrared control signal according to different types of tested set-top box, tested set-top box is carried out functional test.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104469411A (en) * 2014-12-01 2015-03-25 北京正奇联讯科技有限公司 Streaming media playing fault handling monitoring method and system
CN104935978A (en) * 2015-06-29 2015-09-23 湖南双菱电子科技有限公司 Cloud-based television coverage detection, analysis and counting system and device
CN108650552A (en) * 2018-04-25 2018-10-12 晶晨半导体(上海)股份有限公司 A kind of remote management platform for set-top box
CN109327738A (en) * 2018-11-19 2019-02-12 四川长虹电器股份有限公司 A kind of Android television equipment function detecting method
CN111130888A (en) * 2019-12-26 2020-05-08 珠海格力电器股份有限公司 Fault information collection and prompt method, device, storage medium and mobile terminal
CN111131814A (en) * 2018-10-30 2020-05-08 深圳市茁壮网络股份有限公司 Data feedback method and device and set top box
CN111726607A (en) * 2020-06-28 2020-09-29 深圳市友华通信技术有限公司 Method and system for testing hardware of convergence gateway
CN111787160A (en) * 2020-07-07 2020-10-16 上海茂声智能科技有限公司 Method, device and system for voice gateway security detection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1859581A (en) * 2005-12-02 2006-11-08 华为技术有限公司 Detecting system for IP set-top tox and realizing method
CN101472191A (en) * 2007-12-26 2009-07-01 武汉烽火网络有限责任公司 Automatic test equipment and method for network TV set-top box
CN102291593A (en) * 2011-08-24 2011-12-21 烽火通信科技股份有限公司 System configuring and testing method in production of IPTV (Internet Protocol Television) set top box

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1859581A (en) * 2005-12-02 2006-11-08 华为技术有限公司 Detecting system for IP set-top tox and realizing method
CN101472191A (en) * 2007-12-26 2009-07-01 武汉烽火网络有限责任公司 Automatic test equipment and method for network TV set-top box
CN102291593A (en) * 2011-08-24 2011-12-21 烽火通信科技股份有限公司 System configuring and testing method in production of IPTV (Internet Protocol Television) set top box

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈松: "高清晰度机顶盒视频测试技术方案设计", 《广播与电视技术》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104469411A (en) * 2014-12-01 2015-03-25 北京正奇联讯科技有限公司 Streaming media playing fault handling monitoring method and system
CN104469411B (en) * 2014-12-01 2018-01-02 北京正奇联讯科技有限公司 The monitoring method and system of streaming media playing troubleshooting
CN104935978A (en) * 2015-06-29 2015-09-23 湖南双菱电子科技有限公司 Cloud-based television coverage detection, analysis and counting system and device
CN108650552A (en) * 2018-04-25 2018-10-12 晶晨半导体(上海)股份有限公司 A kind of remote management platform for set-top box
CN111131814A (en) * 2018-10-30 2020-05-08 深圳市茁壮网络股份有限公司 Data feedback method and device and set top box
CN109327738A (en) * 2018-11-19 2019-02-12 四川长虹电器股份有限公司 A kind of Android television equipment function detecting method
CN111130888A (en) * 2019-12-26 2020-05-08 珠海格力电器股份有限公司 Fault information collection and prompt method, device, storage medium and mobile terminal
CN111726607A (en) * 2020-06-28 2020-09-29 深圳市友华通信技术有限公司 Method and system for testing hardware of convergence gateway
CN111787160A (en) * 2020-07-07 2020-10-16 上海茂声智能科技有限公司 Method, device and system for voice gateway security detection
CN111787160B (en) * 2020-07-07 2022-06-14 上海茂声智能科技有限公司 Method, device and system for voice gateway security detection

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