CN101540896A - Method, device and system for testing video service quality - Google Patents
Method, device and system for testing video service quality Download PDFInfo
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Abstract
The invention discloses a method, a device and a system for testing video service quality, which are used for testing multimedia video service quality in a mobile communication network. The method comprises the following steps that: a video source file is segmented and added with segment identifiers to generate a segmental file and the segmental file is transmitted to a video service system; a video service quality testing device acquires segmental data from a cache of the video service system, and compares the acquired segmental data with data of a corresponding segment in the segmental file to determine the video service quality; or according to segmentation policy, the video service quality testing device establishes an indexed file of the video source file, acquires video data from the cache during test and searches data of a corresponding segment in the video source file according to the indexed file to compare the video data with the data of the corresponding segment to determine the video service quality. The method of the invention can realize the real-time control of the video service quality and save storage space required for the test.
Description
Technical field
The present invention relates to moving communicating field, refer to a kind of video service quality method of testing, Apparatus and system that is used for video service system especially.
Background technology
Data service system comprises the service processor and the network equipment in the communication network, and service processor is meant handles certain professional machine, mainly is single or multiple servers on the hardware, is the service processing software that meets specific transactions flow process agreement on the software.And the network equipment mainly is meant and is used for equipment such as fire compartment wall, switch and load balancing the service processor of each dispersion is linked to be integral body, thus composition data business platform or system.Certain data service is tested, then be meant this data service system is tested.
The video class business belongs to data service just, comprises that video telephone, video message, video conference, video business such as share.Test video class operation system, the key factor that needs to investigate comprises: video service quality.
Video service quality is meant: the quality that the vision signal that professional receiving terminal receives shows.The method of test video quality of service mainly is at certain section existing video file at present.Be that video file arrives receiving terminal by system transmissions, obtain the receiving terminal file after preserving by receiving terminal.Obtain the video quality of receiving terminal file after receiving terminal file and source file compared.Also can directly analyze in addition, draw its video quality the receiving terminal file.
At present, in mobile communication network multimedia video class business (as: video message, video conference, video share etc.), measure business platform (Service Platform) in real time and go up the video quality (Operation Delay) of transmission and go back the neither one ideal method.This is because always need a complete video file and source file to compare test when testing, thereby needs a process of recording, and records after finishing and again the video file after recording is carried out quality test.Therefore test is not real-time, is unfavorable for real-time monitor video quality yet, also needs the memory space of magnanimity during actual simultaneously the test, takies a large amount of resources.
Summary of the invention
The invention provides a kind of video service quality method of testing, realized real-time monitoring video service quality.
The invention provides a kind of video service quality testing apparatus, realized real-time monitoring video service quality.
The invention provides a kind of video service quality test macro, realized real-time monitoring video service quality.
A kind of video service quality method of testing comprises:
The video source file data is carried out segmentation and adds the branch segment identification, after generating segmental file, send described segmental file to video service system;
From the buffer memory of described video service system, obtain segment data according to described minute segment identification, and compare, determine video service quality according to comparative result with the described corresponding segment data of from described segmental file, obtaining.
According to said method of the present invention, describedly determine video service quality according to comparative result, comprising:
Calculate bit error rate or the Block Error Rate of described segment data, determine the credit rating or the quality score of described video service quality according to described bit error rate or Block Error Rate with respect to described corresponding segment data.
According to said method of the present invention, describedly from the buffer memory of video service system, obtain segment data, comprising:
From the buffer memory of video service system, obtain each segment data according to the order of sequence; Perhaps
According to the acquisition strategy of setting, selectivity is obtained corresponding segment data from the buffer memory of described video service system.
According to said method of the present invention, described minute segment identification comprises: time tag, paragraph tag and sequence number sign.
A kind of video service quality method of testing comprises:
According to the partition strategy of video source file and setting, generate index file; Indicate the video source file data range information corresponding in the described index file with each segmentation;
Send described video source file to video service system;
According to described partition strategy, from the buffer memory of described video service system, obtain the corresponding video data, and from described video source file, obtain corresponding segment data according to described index file, described video data is compared with described corresponding segment data, determine video service quality according to comparative result.
According to said method of the present invention, described partition strategy comprises: the video source file data is divided into several segmentations by the video playback duration; Perhaps
The video source file data is pressed the Frame scope division be several segmentations.
According to said method of the present invention, describedly determine video service quality according to comparative result, comprising:
Calculate bit error rate or the Block Error Rate of described video data, determine the credit rating or the quality score of described video service quality according to described bit error rate or Block Error Rate with respect to the segment data of described correspondence.
A kind of video service quality testing apparatus comprises: first segmentation module, first file storage module, the first video file delivery module, the first cache file acquisition module and first analysis module;
Described segmentation module is used for the video source file data is carried out segmentation, adds and divides segment identification, generates segmental file;
Described first file storage module is used to store described segmental file;
The described first video file delivery module is used for sending described segmental file to video service system;
The described first cache file acquisition module is used for obtaining segment data according to described minute segment identification from the buffer memory of described video service system;
Described first analysis module, the segment data that is used for the described first cache file acquisition module is obtained compares with the corresponding segment data of described segmental file, determines video service quality.
Said apparatus of the present invention also comprises:
The first video source file acquisition module is used to obtain the video source file and sends described segmentation module to.
A kind of video service quality testing apparatus comprises: index file generation module, second file storage module, the second video file delivery module, the second cache file acquisition module and second analysis module;
Described index file generation module is used for the partition strategy according to video source file and setting, generates index file; Indicate the video source file data range information corresponding in the described index file with each segmentation;
Described second file storage module is used for store video source file and described index file;
The described second video file delivery module is used for sending described video source file to video service system;
The described second cache file acquisition module is used for obtaining the corresponding video data according to described partition strategy from the buffer memory of video service system;
Described second analysis module, be used for described video data with compare from the corresponding segments data that described video source file obtains according to described index file, determine video service quality according to comparative result.
Said apparatus of the present invention also comprises
The second video source file acquisition module is used to obtain the video source file and sends described second file storage module to.
A kind of video service quality test macro comprises: Streaming Media source, first video service quality testing apparatus and the video service system;
Described Streaming Media source is used to deposit the video source file;
The described first video service quality testing apparatus is used for the video source file is carried out segmentation, adds and divides segment identification, generates segmental file and sends described video service system to; And from the buffer memory of described video service system, obtain segment data, and compare with corresponding segment data in the described segmental file, determine video service quality;
Described video service system is used to receive the also video file of the described first video service quality testing apparatus transmission of buffer memory.
A kind of video service quality test macro comprises: Streaming Media source, second video service quality testing apparatus and the video service system;
Described Streaming Media source is used to deposit the video source file;
The described second video service quality testing apparatus is used for the partition strategy according to video source file and setting, generates index file; Indicate the video source file data range information corresponding in the described index file with each segmentation; And send described video source file to described video service system; And according to described partition strategy, from the buffer memory of described video service system, obtain the corresponding video data, and compare with the corresponding segments data of from described video source file, obtaining according to described index file, determine video service quality according to comparative result;
Described video service system is used to receive the also video file of the described second video service quality testing apparatus transmission of buffer memory.
A kind of video service quality method of testing provided by the invention, Apparatus and system after obtaining the video source file, carry out segmentation to the video source file, give the branch segment identification and obtain segmental file; When carrying out the video quality test, directly from the buffer memory of video service system, extract segment data, the segment data of extracting is compared with the corresponding segment data of segmental file, determine video service quality, realized real-time monitoring the video file that transmits in the video service system.Another kind of video service quality method of testing provided by the invention, Apparatus and system can also not change the video source file, by generating the mode of index file, realize the segmentation real-time testing, make the realization of real-time monitoring more flexible.And because the present invention does not carry out quality test after not needing to record the whole video file, memory space has been saved in the memory space requirement when greatly reducing test.
Description of drawings
Fig. 1 is the flow chart of video service quality method of testing in the embodiment of the invention one;
Fig. 2 is a schematic diagram of in the embodiment of the invention one the video source file data being pressed the duration segmentation;
Fig. 3 is the structural representation of video service quality test macro in the embodiment of the invention one;
Fig. 4 is the structural representation of the first video service quality testing apparatus in the embodiment of the invention one;
Fig. 5 is the flow chart of video service quality method of testing in the embodiment of the invention two;
Fig. 6 is the structural representation of video service quality test macro in the embodiment of the invention two;
Fig. 7 is the structural representation of the second video service quality testing apparatus in the embodiment of the invention two.
Embodiment
Embodiment one:
The embodiment of the invention one provides a kind of video service quality method of testing, by the video source file is carried out segmentation, generates segmental file and sends video service system to; From the buffer memory of video service system, obtain segment data again and compare, determine video service quality with corresponding segment data in the video source file.Its specific implementation flow process comprises the steps: as shown in Figure 1
Step S101: obtain the video source file from the Streaming Media source.
Step S102: the video source file data is carried out segmentation, and add and divide segment identification, obtain segmental file, and store.Be specially:
The video source file is handled, being comprised: decoding and recompile etc.When recompile, the video source file data is carried out segmentation, add and divide segment identification, obtain having the segmental file of branch segment identification, and store.
Wherein, the branch segment identification for example can be: time tag, paragraph tag and sequence number sign etc.
As shown in Figure 2, for the video source file data is carried out segmentation by playing duration, and add time tag, generated segmental file, t wherein, 2t ... (N-1) to represent playing duration respectively be the segment data of t for t, Nt.
Step S103: send segmental file to video service system.
Step S104:, from the file cache of video service system, obtain the segment data of buffer memory according to a minute segment identification.From the buffer memory of video service system, obtain the segment data of buffer memory, specifically comprise following situation:
(1) from the buffer memory of video service system, obtains each segment data according to the order of sequence; Be example with Fig. 2 still: obtain successively t, 2t, 3t ... the segment data in each time period of Nt.
(2) according to the acquisition strategy of setting, selectivity is obtained corresponding segment data from the buffer memory of described video service system.
The acquisition strategy of described setting is for example:
A, compartment obtain segment data.
For example: obtain successively t, 3t, 5t ... the segment data in the equal time section; Or obtain successively 2t, 4t, 6t ... the segment data in the equal time section.
B, obtain one section segment data every two sections.
Be example with the time tag still: obtain successively t, 4t, 7t ... the segment data in the equal time section.
Step S105: carry out video analysis.Be specially:
Branch segment identification in the segment data of obtaining according to step S104, search in the segmental file of storage and the described minute corresponding corresponding segment data of segment identification, the segment data that to obtain from the buffer memory of video service system compares with the corresponding segment data of video source file, determines video service quality according to comparative result.
For example: when described segment data is the segment data of t in the time period, according to its minute segment identification, in segmental file, find the corresponding segment data of same segment sign, both are compared, calculate bit error rate or the Block Error Rate of segment data with respect to corresponding segment data.
Step S106: determine video service quality according to bit error rate or Block Error Rate, and the video service quality result is exported.
Output the video service quality result characteristic manner for example: the credit rating of video traffic or quality score etc.
Step S107: the segment data that deletion is obtained from buffer memory after relatively finishing.
Step S106 and step S107 execution sequence can exchange in no particular order.
A kind of video service quality test macro according to said method of the present invention makes up as shown in Figure 3, comprising: Streaming Media source 30, the first video service quality testing apparatus 31 and video service system 32.
Wherein Streaming Media source 30 can be a database, is used to deposit the video source file, with the first video service quality testing apparatus 31 two-way interface is arranged.
The first video service quality testing apparatus 31 is used for all kinds of network elements of emulation, the combination of equipment, simulate dialogue-based visual telephone 3G-324M agreement, conversation initialized protocol (Session Initiation Protocol, SIP), RTP (Real Time Transport Protocol, RTP)/real-time streaming protocol (Real TimeStreaming Protocol, RTSP) etc. message and tested video service system communicate, be specially: from Streaming Media source 30, obtain the video source file, the video source file is carried out segmentation, add and divide segment identification, generate segmental file and send video service system 32 to; And from the buffer memory of video service system 32, obtain segment data, and compare with corresponding segment data in the described segmental file, determine video service quality.
The first video service quality testing apparatus 31, its structure comprises as shown in Figure 4: segmentation module 311, first file storage module 312, the first video file delivery module 313, the first cache file acquisition module 314 and first analysis module 315.
First file storage module 312 is used for the segmental file that memory segment module 311 generates.
The first video file delivery module 313 is used for sending the segmental file that segmentation module 311 generates to video service system 32.
The first cache file acquisition module 314 is used for obtaining segment data from the buffer memory of video service system 32.
The first video service quality testing apparatus 31 also comprises: the first video source file acquisition module 316 is used for obtaining the video source file from Streaming Media source 30.
Video service quality method of testing, Apparatus and system that the above embodiment of the present invention one provides after obtaining the video source file, carry out segmentation to the video source file, give the branch segment identification and obtain segmental file; When carrying out the video quality test, directly from the buffer memory of video service system, extract segment data, the segment data of extracting is compared with the corresponding segment data of segmental file, determine video service quality, realized real-time monitoring the video file that transmits in the video service system.And owing to do not carry out quality test after not needing to record the whole video file, memory space has been saved in the memory space requirement when greatly reducing test.
Embodiment two:
The embodiment of the invention two provides another kind of video service quality method for real-timely testing, the video source file is not handled, and only need determine partition strategy, and generates index file according to the partition strategy of determining; Indicate the video source file data range information corresponding in the indexed file with each segmentation; According to partition strategy, from the buffer memory of video service system, obtain the corresponding video data, and from the video source file, obtain corresponding segment data according to index file, segment data corresponding in the video data that obtains and the video source file is compared, determine video service quality according to comparative result.Its specific implementation flow process comprises the steps: as shown in Figure 5
Step S201: obtain the video source file from the Streaming Media source.
Step S202:, set up the index file of video source file according to the partition strategy of video source file and setting.
According to partition strategy, indicate the video source file data range information corresponding in the indexed file with each segmentation; Partition strategy comprises following situation:
(1) the video source file data is divided into several segmentations by the video playback duration.Be specially:
Concordance list is set, indicates the data area in the pairing video source file of each time period.
For example: the data in the corresponding video source file of t time period are: the 0-100 frame;
Data in the corresponding video source file of 2t time period are: the 100-200 frame;
Data in the corresponding video source file of 3t time period are: the 200-300 frame;
By that analogy ...
Obtain the index file of video source file, and the index file of store video source file and foundation.
(2) except dividing, the video source file data can also be pressed the Frame scope division and be several segmentations by the video playback duration.For example, per 100 Frames are as a segmentation.
In step S202, just determine partition strategy, and generate index file, the video source file data is not carried out any processing.
Step S203: send the video source file to video service system.
Step S204:, from the buffer memory of video service system, obtain corresponding video data according to above-mentioned partition strategy.
For example: if partition strategy then obtains the video data of t time period correspondence, the video data of 2t time period correspondence, the video data of 3t time period correspondence etc. successively for being the time period division of t by above-mentioned duration from the buffer memory of video service system;
If partition strategy be per 100 Frames as a segmentation, then from the buffer memory of video service system, obtain 100 Frames successively at every turn.
Step S205: the index file and the video source file that obtain storage.
Step S206: carry out video analysis.Be specially:
According to the segment data of the index file video data correspondence that finding step S204 obtains from the video source file, video data is compared with described corresponding segment data, determine video service quality according to comparative result.
For example: when the video data that obtains is the video data of t in the time period, the t time period of putting down in writing in the index file, pairing Frame scope was the 0-100 frame, then with the t that obtains in the time period video data and the data of the 0-100 frame in the video source file compare, calculate video data in the t time period after the video service system transmission with respect to the video source file in the bit error rate or the Block Error Rate of corresponding segment data.
Step S207: determine video service quality according to described bit error rate or Block Error Rate, and the video service quality result is exported.
Characteristic manner is for example as a result for video service quality: the credit rating of video traffic or quality score etc.
Step S208: the video data that deletion is obtained from buffer memory after relatively finishing.
Step S207 and step S208 execution sequence can exchange in no particular order.
A kind of video service quality test macro according to the said method of the embodiment of the invention two makes up as shown in Figure 6, comprising: Streaming Media source 30, the second video service quality testing apparatus 33 and video service system 32.
Wherein Streaming Media source 30 can be a database, is used to deposit the video source file, with the second video service quality testing apparatus 33 two-way interface is arranged.
The second video service quality testing apparatus 33 is used for the combination of all kinds of network elements of emulation, equipment, simulate dialogue-based visual telephone 3G-324M agreement, conversation initialized protocol (Session Initiation Protocol, SIP), RTP (Real Time Transport Protocol, RTP)/real-time streaming protocol (Real TimeStreaming Protocol, RTSP) etc. message and tested video service system communicate, be specially:, generate index file according to the partition strategy of video source file and setting; Indicate the video source file data range information corresponding in the indexed file with each segmentation; And send the video source file to video service system 32; And according to the partition strategy that is provided with, from the buffer memory of video service system 32, obtain the corresponding video data, and compare with the corresponding segments data of from the video source file, obtaining according to index file, determine video service quality according to comparative result.
The second video service quality testing apparatus 33, its structure comprises as shown in Figure 7: index file generation module 331, second file storage module 332, the second video file delivery module 333, the second cache file acquisition module 334 and second analysis module 335.
Index file generation module 331 is used for the partition strategy according to video source file and setting, generates the index file corresponding with the video source file, indicates the video source file data range information corresponding with each segmentation in the described index file; Index file generation module 331 also is used for sending the video source file to second video file delivery module 333, and sends video source file and index file to second file storage module 332.
Second file storage module 332 is used for the index file that store video source file and index file generation module 331 generate.
The second video file delivery module 333 is used for sending the video source file to video service system 32.
The second cache file acquisition module 334 is used for obtaining the corresponding video data according to described partition strategy from the buffer memory of video service system 32.
The second video service quality testing apparatus 33 also comprises: the second video source file acquisition module 336 is used for obtaining from Streaming Media source 30 the video source file and sends second file storage module 332 to.
The foregoing description two does not change original video source file, realizes sectionalization test to the data in the video service system by the mode that generates index file, and this method of testing realizes simple and flexible; And can be applicable to various video service systems, have generality.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily, replace or be applied to other similar devices, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (13)
1, a kind of video service quality method of testing is characterized in that, comprising:
The video source file data is carried out segmentation and adds the branch segment identification, after generating segmental file, send described segmental file to video service system;
From the buffer memory of described video service system, obtain segment data according to described minute segment identification, and compare, determine video service quality according to comparative result with the described corresponding segment data of from described segmental file, obtaining.
2, the method for claim 1 is characterized in that, describedly determines video service quality according to comparative result, comprising:
Calculate bit error rate or the Block Error Rate of described segment data, determine the credit rating or the quality score of described video service quality according to described bit error rate or Block Error Rate with respect to described corresponding segment data.
3, the method for claim 1 is characterized in that, describedly obtains segment data from the buffer memory of video service system, comprising:
From the buffer memory of video service system, obtain each segment data according to the order of sequence; Perhaps
According to the acquisition strategy of setting, selectivity is obtained corresponding segment data from the buffer memory of described video service system.
As the arbitrary described method of claim 1-3, it is characterized in that 4, described minute segment identification comprises: time tag, paragraph tag and sequence number sign.
5, a kind of video service quality method of testing is characterized in that, comprising:
According to the partition strategy of video source file and setting, generate index file; Indicate the video source file data range information corresponding in the described index file with each segmentation;
Send described video source file to video service system;
According to described partition strategy, from the buffer memory of described video service system, obtain the corresponding video data, and from described video source file, obtain corresponding segment data according to described index file, described video data is compared with described corresponding segment data, determine video service quality according to comparative result.
6, method as claimed in claim 5 is characterized in that, described partition strategy comprises: the video source file data is divided into several segmentations by the video playback duration; Perhaps
The video source file data is pressed the Frame scope division be several segmentations.
7, as claim 5 or 6 described methods, it is characterized in that, describedly determine video service quality, comprising according to comparative result:
Calculate bit error rate or the Block Error Rate of described video data, determine the credit rating or the quality score of described video service quality according to described bit error rate or Block Error Rate with respect to the segment data of described correspondence.
8, a kind of video service quality testing apparatus is characterized in that, comprising: first segmentation module, first file storage module, the first video file delivery module, the first cache file acquisition module and first analysis module;
Described segmentation module is used for the video source file data is carried out segmentation, adds and divides segment identification, generates segmental file;
Described first file storage module is used to store described segmental file;
The described first video file delivery module is used for sending described segmental file to video service system;
The described first cache file acquisition module is used for obtaining segment data according to described minute segment identification from the buffer memory of described video service system;
Described first analysis module, the segment data that is used for the described first cache file acquisition module is obtained compares with the corresponding segment data of described segmental file, determines video service quality.
9, device as claimed in claim 8 is characterized in that, also comprises:
The first video source file acquisition module is used to obtain the video source file and sends described segmentation module to.
10, a kind of video service quality testing apparatus is characterized in that, comprising: index file generation module, second file storage module, the second video file delivery module, the second cache file acquisition module and second analysis module;
Described index file generation module is used for the partition strategy according to video source file and setting, generates index file; Indicate the video source file data range information corresponding in the described index file with each segmentation;
Described second file storage module is used for store video source file and described index file;
The described second video file delivery module is used for sending described video source file to video service system;
The described second cache file acquisition module is used for obtaining the corresponding video data according to described partition strategy from the buffer memory of video service system;
Described second analysis module, be used for described video data with compare from the corresponding segments data that described video source file obtains according to described index file, determine video service quality according to comparative result.
11, device as claimed in claim 10 is characterized in that, also comprises
The second video source file acquisition module is used to obtain the video source file and sends described second file storage module to.
12, a kind of video service quality test macro is characterized in that, comprising: Streaming Media source, first video service quality testing apparatus and the video service system;
Described Streaming Media source is used to deposit the video source file;
The described first video service quality testing apparatus is used for the video source file is carried out segmentation, adds and divides segment identification, generates segmental file and sends described video service system to; And from the buffer memory of described video service system, obtain segment data, and compare with corresponding segment data in the described segmental file, determine video service quality;
Described video service system is used to receive the also video file of the described first video service quality testing apparatus transmission of buffer memory.
13, a kind of video service quality test macro is characterized in that, comprising: Streaming Media source, second video service quality testing apparatus and the video service system;
Described Streaming Media source is used to deposit the video source file;
The described second video service quality testing apparatus is used for the partition strategy according to video source file and setting, generates index file; Indicate the video source file data range information corresponding in the described index file with each segmentation; And send described video source file to described video service system; And according to described partition strategy, from the buffer memory of described video service system, obtain the corresponding video data, and compare with the corresponding segments data of from described video source file, obtaining according to described index file, determine video service quality according to comparative result;
Described video service system is used to receive the also video file of the described second video service quality testing apparatus transmission of buffer memory.
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