CN108737812A - A kind of test method and device of video quality - Google Patents
A kind of test method and device of video quality Download PDFInfo
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- CN108737812A CN108737812A CN201710256636.6A CN201710256636A CN108737812A CN 108737812 A CN108737812 A CN 108737812A CN 201710256636 A CN201710256636 A CN 201710256636A CN 108737812 A CN108737812 A CN 108737812A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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Abstract
The invention discloses a kind of test method of video quality and device, the method includes：Acquire at least two sub- reference video files and at least two sub- test video files；According to the second time period of the first time period of at least two sub- reference video files and at least two sub- test video files, determines the corresponding sub- test video file of every sub- reference video file, carry out video quality test；Sub- reference video file is when sending video file, the at least two sub- reference video files that video data in the video file sent at least two first time period is preserved, sub- test video file is at least two sub- test video files that preserve the video data in the video file received at least two second time periods when receiving video file；Corresponding each first time period includes each second time period.To be tested according to the one-to-one video quality to multiple sub- test video files of multiple sub- reference video files.
Description
Technical field
The present invention relates to technical field of video processing, more particularly to the test method and device of a kind of video quality.
Background technology
In a communications system, the video data volume is huge, generally can be advanced by video data when carrying out video data transmission
It is transmitted again after row compression, memory space and network bandwidth can be reduced in this way.
Currently, the coding compression of most video datas removes redundancy using Lossy Compression Algorithm, but encode pressure
Video data after contracting loses the partial information in information source, due to by encoding compressed video flowing or video clip
Quality directly reflects the performance of the compression algorithm.Video quality test is for video processing, the fields such as compression and video communication
Play very important effect：It can be real-time or non real-time monitor video system performance and various video transmission channels
Service quality, and feedback is provided to adjust the parameter of codec or channel, ensure video quality within the acceptable range, it is right
The encoding and decoding output video quality of a variety of different codecs provides understandable quantitative measurement, convenient for codec
Performance be designed.Video quality test can meet the displaying of graph and image system of the vision mode of people with Design and optimization.
Therefore the problem of video quality test extremely merits attention as one.
When testing video quality, generally using being tested entirely with reference to algorithm, test equipment needs to obtain hair
The reference video file of equipment and the test video file of receiving device, reference video file is sent to be equivalent to uncompressed video
File, test video file is equivalent to the video file after compressed video file decompression, according to reference video file to surveying
Examination video file is tested.
Test video file is divided into multiple sub- test video files, reference video file is divided into multiple sub- reference videos
File makes multiple sub- reference video files and multiple sub- one-to-one progress video quality tests of test video file, at present industry
There are no corresponding technologies to solve.
Invention content
The present invention provides a kind of test method and device of video quality, to propose a kind of new video quality test side
Method.
In order to achieve the above objectives, the embodiment of the invention discloses a kind of test method of video quality, the method includes：
Test equipment acquires at least two sub- reference video files and at least two sub- test video files；
According to the first time period of described at least two sub- reference video files and described at least two sub- test video texts
The second time period of part determines the corresponding sub- test video file of every sub- reference video file, wherein at least two son
Reference video file is the video that will be sent in preset at least two first time period during sending video file
At least two sub- reference video files that video data in file is preserved, at least two sub- test video text
Part is during receiving video file, by regarding in the video file received in preset at least two second time period
Frequency is according to preserved at least two sub- test video files；Wherein each first time period is corresponding to include each the
Two periods；
It is right according to sub- reference video file corresponding with the sub- test video file for every sub- test video file
The sub- test video file carries out video quality test.
Further, the test equipment acquires at least two sub- reference video files and at least two sub- test video texts
Part includes：
Test equipment acquires sending device during sending video file to receiving device, will be preset at least two
At least two sub- reference video files that video data in the video file sent in a first time period is preserved,
It, will be in preset at least two second times with acquisition receiving device during receiving the video file that sending device is sent
At least two sub- test video files that video data in the video file received in section is preserved.
Further, the test equipment is sending device or receiving device.
Further, the video file that the sending device is sent to receiving device is：The sending device is set with reception
It is standby when carrying out video calling, the sending device acquire video content that itself screen is currently shown as video text
Part.
Further, according to sub- reference video file corresponding with the sub- test video file, to the sub- test video
Before file carries out video quality test, the method further includes：
The sub- reference video file and the sub- test video file of acquisition are pre-processed.
Further, described pair of sub- reference video file acquired and the sub- test video file carry out pretreatment packet
It includes：
Every sub- reference video file for acquisition and every sub- test video file, by sub- reference video file and with
Its corresponding sub- test video file is converted to identical display frame rate.
Further, include tableaux and dynamic menu in every sub- test video file.
The embodiment of the invention discloses a kind of test device of video quality, described device includes：
Acquisition module, for acquiring at least two sub- reference video files and at least two sub- test video files；
Determining module, for the first time period and described at least two according to described at least two sub- reference video files
The second time period of sub- test video file determines the corresponding sub- test video file of every sub- reference video file, wherein institute
State at least two sub- reference video files be during sending video file, will be in preset at least two first time period
At least two sub- reference video files that video data in the video file of interior transmission is preserved, described at least two
Sub- test video file is to be regarded what is received in preset at least two second time period during receiving video file
At least two sub- test video files that video data in frequency file is preserved；Wherein each first time period corresponds to
Include each second time period；
Test module, for for every sub- test video file, according to sub- ginseng corresponding with the sub- test video file
Video file is examined, video quality test is carried out to the sub- test video file.
Further, the acquisition module is specifically used for acquisition sending device and is sending video file to receiving device
In the process, the video data in the video file sent in preset at least two first time period is preserved
At least two sub- reference video files, and receiving device is acquired during receiving the video file that sending device is sent, it will
Video data in the video file received in preset at least two second time period preserved at least two
Sub- test video file.
Further, described device further includes：
Preprocessing module, for acquisition the sub- reference video file and the sub- test video file pre-process.
Further, the preprocessing module is specifically used for for every sub- reference video file of acquisition and per height
Sub- reference video file and corresponding sub- test video file are converted to identical display frame rate by test video file.
The embodiment of the invention discloses a kind of test method of video quality and device, the method includes：Test equipment
Acquire at least two sub- reference video files and at least two sub- test video files；According to described at least two sub- reference videos
The second time period of the first time period of file and described at least two sub- test video files determines every sub- reference video text
The corresponding sub- test video file of part, wherein at least two sub- reference video file is in the process for sending video file
In, the video data in the video file sent in preset at least two first time period is preserved at least
Two sub- reference video files, at least two sub- test video file be during receiving video file, will be pre-
If at least two second time periods in receive video file in video data preserved at least two son survey
Try video file；Corresponding wherein each first time period includes each second time period；For every sub- test video file,
According to sub- reference video file corresponding with the sub- test video file, video quality survey is carried out to the sub- test video file
Examination.Join since in embodiments of the present invention, sub- reference video file and sub- test video file are at least two, and per height
The first time period for examining video file includes the second time period of corresponding sub- test video file, then can be according to each
Sub- reference video file and sub- test video file are carried out one by the period of sub- reference video file and sub- test video file
One corresponds to, to be surveyed according to the one-to-one video quality to multiple sub- test video files of multiple sub- reference video files
Examination.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of test process schematic diagram of video quality provided in an embodiment of the present invention；
Fig. 2 is a kind of system architecture schematic diagram of video quality test provided in an embodiment of the present invention；
Fig. 3 is a kind of video quality test process schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of video quality test device structure chart provided in an embodiment of the present invention；
Fig. 5 A are a kind of video quality test device structure chart provided in an embodiment of the present invention；
Fig. 5 B are a kind of video quality test device structure chart provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：
Fig. 1 is a kind of process schematic of video quality test provided in an embodiment of the present invention, which includes following step
Suddenly：
S101：Test equipment acquires at least two sub- reference video files and at least two sub- test video files.
S102：It is regarded according to the first time period of described at least two sub- reference video files and at least two sons test
The second time period of frequency file determines the corresponding sub- test video file of every sub- reference video file, wherein described at least two
A sub- reference video file is during sending video file, by what is sent in preset at least two first time period
At least two sub- reference video files that video data is preserved, at least two sub- test video file are to connect
During rating frequency file, the video data received in preset at least two second time period is preserved
At least two sub- test video files；Corresponding wherein each first time period includes each second time period.
Video quality test method provided in an embodiment of the present invention can be applied to test equipment, which specifically may be used
Think desktop computer, portable computer, smart mobile phone, tablet computer, personal digital assistant (Personal Digital
Assistant, PDA) etc..
Test equipment is when carrying out video quality test, it is thus necessary to determine that the corresponding sub- test of every sub- reference video file regards
Frequency file, the specific can be that, test equipment acquires at least two sub- reference video files and at least two sub- test video texts
Part, according to the of the first time period of described at least two sub- reference video files and described at least two sub- test video files
Two periods determined the corresponding sub- test video file of every sub- reference video file.
At least two sub- reference video file be during sending video file, will be preset at least two
At least two sub- reference video files that the video data sent in first time period is preserved, at least two son
Test video file is the video that will be received in preset at least two second time period during receiving video file
At least two sub- test video files that data are preserved；Each first time period includes initial time, end time
And duration, it can be misaligned between two first time period, it can also partially overlap.When each second time period includes starting
Between, end time and duration, corresponding each first time period includes each second time period, that is, every sub- test video
The second time period of file is located in the first time period of corresponding sub- reference video file.For each pair of first time period
With second time period, first time period can be identical as second time period, can also be the corresponding initial time of first time period
Initial time corresponding earlier than second time period, first time period corresponding end time are later than the corresponding end of second time period
Time.
It is sent because being saved comprising the sub- reference video file in the attribute information of every sub- reference video file
The information of first time period is saved in the attribute information of every sub- test video comprising the sub- test video file and to receive
The information of second time period, and each first time period includes corresponding second time period, test equipment can identify every height
The corresponding first time period of reference video file and the corresponding second time period of every sub- test video file, then test equipment can
With according to the of the first time period of described at least two sub- reference video files and described at least two sub- test video files
Two periods determined the corresponding sub- test video file of every sub- reference video file.
For example, the first time period there are three sub- reference video file is respectively the 9 of on January 2nd, 2017:25-9:35,9:
44-9:54,9:34-9:44, the second time period of three sub- test video files is respectively the 9 of on January 2nd, 2017:26-9:
35,9:34-9:43,9:45-9:51, because it includes each second time period that each first time period is corresponding, then can determine
First time period is 9:25-9:35 sub- reference video file is 9 with second time period:26-9:35 sub- test video file
It is corresponding, first time period 9:44-9:54 sub- reference video file is 9 with second time period:45-9:51 sub- test video
File corresponds to, first time period 9:34-9:44 sub- reference video file is 9 with second time period:34-9:43 son test
Video file corresponds to.
S103：For every sub- test video file, according to sub- reference video text corresponding with the sub- test video file
Part carries out video quality test to the sub- test video file.
After determining the correspondence of every sub- reference video file and sub- test video file, then it can be directed to each
Sub- test video file, according to sub- reference video file corresponding with the sub- test video file, to the sub- test video file
Carry out video quality test.According to sub- reference video file corresponding with the sub- test video file, to the sub- test video
When file carries out video quality test, can be using being tested entirely with reference to algorithm, according to the sub- test video file pair
The sub- reference video file answered, the process for carrying out video quality test to the sub- test video file belongs to the prior art, at this
To the process without repeating in inventive embodiments.
Since in embodiments of the present invention, sub- reference video file and sub- test video file are at least two, and it is every
The first time period of a sub- reference video file includes the second time period of corresponding sub- test video file, then can root
According to the period of every sub- reference video file and sub- test video file, by sub- reference video file and sub- test video file
It is corresponded, to according to the one-to-one video quality to multiple sub- test video files of multiple sub- reference video files
It is tested.
Embodiment 2：
On the basis of the various embodiments described above, in inventive embodiments, at least two son reference of the test equipment acquisition
Video file and at least two sub- test video files include：
Test equipment acquires sending device during sending video file to receiving device, will be preset at least two
At least two sub- reference video files that video data in the video file sent in a first time period is preserved,
It, will be in preset at least two second times with acquisition receiving device during receiving the video file that sending device is sent
At least two sub- test video files that video data in the video file received in section is preserved.
At least two sub- reference video files and receiving device that the test acquisition sending device preserves preserve at least
Two sub- test video files, then the test equipment is to be set independently of other of the receiving device and the sending device
It is standby.
The test equipment can also be the sending device or the receiving device.
When the test equipment is the sending device, when having pre-saved at least two first in the test equipment
Between section, test equipment acquisition, will be preset at least two from during send video file to receiving device
At least two sub- reference video files that video data in the video file sent in first time period is preserved, and
Receiving device is acquired during receiving the video file that test equipment is sent, it will be in preset at least two second time period
At least two sub- test video files that video data in the video file of interior reception is preserved.
When the test equipment is the receiving device, when having pre-saved at least two second in the test equipment
Between section, test equipment acquisition sending device, will be preset at least two during sending video file to itself
At least two sub- reference video files that video data in the video file sent in first time period is preserved, and
During the video file that acquisition is sent in reception sending device certainly, it will be inscribed in preset at least two second time period
At least two sub- test video files that video data in the video file of receipts is preserved.
Embodiment 3：
The video file that sending device is sent to receiving device can be the video file that sending device itself pre-saves,
Can also be the video file that sending device is acquired and sent in real time to improve the accuracy of video measurement.In above-mentioned each reality
On the basis of applying example, in inventive embodiments, the video file that the sending device is sent to receiving device is：The transmission is set
It is standby when carrying out video calling with receiving device, the sending device acquire video content that itself screen is currently shown as
Video file.
Embodiment 4：
In order to improve the accuracy of video measurement, on the basis of the various embodiments described above, in inventive embodiments, in basis
Sub- reference video file corresponding with the sub- test video file carries out video quality to the sub- test video file and tests it
Before, the method further includes：
The sub- reference video file and the sub- test video file of acquisition are pre-processed.
In embodiments of the present invention, test equipment can test regards to every sub- reference video file of acquisition and per height
Frequency file is pre-processed, and test equipment carries out every sub- reference video file of acquisition and every sub- test video file pre-
The process of processing, can be before determining the corresponding sub- test video file of every sub- reference video file, can also be
After determining the corresponding sub- test video file of every sub- reference video file, according to corresponding with the sub- test video file
Sub- reference video file, before sub- test video file progress video quality test.
The pretreatment includes every sub- reference video file for acquisition and every a sub- test video file, will be sub
Reference video file and corresponding sub- test video file are converted to identical display frame rate.The pretreatment further includes having
The interception for imitating region, when the sending device and receiving device carry out when sending and receiving of video file by video calling,
There may be the different feelings of active area range for sending device and video image that receiving device is shown on the machine screen
It is full screen display, another equipment right and wrong that there are one equipment in display video image in condition, such as sending device and receiving device
Full screen display, then it is each in the corresponding sub- test video file of the video image of each frame in sub- reference video file
The picture area range of the video image of frame is different.Test equipment needs to make the sub- reference video file and sub- test video text
The picture area that part is shown in test equipment is identical, then needs to the sub- test video file and sub- reference video file
Carry out the interception of effective coverage.
Include tableaux and dynamic menu in every sub- test video file.
Video pictures in the video file of transmission are relatively stable, for example are not in video text in the first half period
Still frame in part is more, and the dynamic menu in the later half period in video file is more.Then according to preset second time
Include tableaux and dynamic menu in every sub- test video file of Duan Baocun, in this way when carrying out video quality test,
Dynamic menu and tableaux are tested simultaneously, keeps test result more accurate.
The duration for each first time period that sending device pre-saves can be identical, can also be different, then
The duration for every sub- reference video file that sending device is preserved when sending video file may be identical, it is also possible to no
With, second time period is similar with first time period.The quantity of first time period and the quantity of second time period be it is identical, often
A first time period is corresponding to be located at comprising each second time period, that is, the second time period of every sub- test video file
In the first time period of corresponding sub- reference video file.For each pair of first time period and second time period, when first
Between section can be identical as second time period, can also be that the corresponding initial time of first time period is corresponding earlier than second time period
Initial time, first time period corresponding end time are later than the second time period corresponding end time.
For example, the duration for two first time period that sending device pre-saves is respectively 10 minutes and 20 minutes, wherein
First first time period is 2 days 9 January in 2017:25-9:35, second first time period is 2 days 9 January in 2017:36-9:
56, the time that sending device sends video file to receiving device is 2 days 9 January in 2017:30-10:00, then by 9:25-9:35
Video data in the video file of transmission saves as a sub- reference video file, by 9:36-9:56 video files sent
In video data save as a sub- reference video file.
Each first time period that sending device pre-saves when it is 10 minutes a length of, wherein first first time period is
2 days 9 January in 2017:25-9:35, second first time period is 2 days 9 January in 2017:35-9:45, sending device is to reception
The time that equipment sends video file is 2 days 9 January in 2017:30-10:00, then by 9:25-9:In 35 video files sent
Video data save as a sub- reference video file, by 9:35-9:Video data in 45 video files sent preserves
For a sub- reference video file.
Content in the video file that the sending device is sent to receiving device can not repeated, and can also be
There is repetition.Have in video file repetition when, can be directed to one section of video data, which is carried out
For all video datas obtained after replicating at least once as video file, the corresponding duration of this section of video data can be with first
Period, corresponding duration was different, and preferably the corresponding duration of first time period duration corresponding with this section of video data is identical,
And the corresponding duration of second time period duration corresponding with this section of video data is identical, i.e. first time period and second time period
It is identical.Video pictures in this section of video data be for example be not in the first half period in video file relatively smoothly
Still frame it is more, the dynamic menu in the later half period in video file is more.
Fig. 2 is a kind of system architecture schematic diagram of video quality test provided in an embodiment of the present invention, and sending device is eventually
It is terminal C, the video content of the real-time acquisition terminal A screens of sending device, that is, terminal B, and with terminal C to regard to hold B, receiving device
The mode of frequency call sends video file to terminal C in real time, i.e. terminal B acquire video content that itself screen is currently shown by its
It is sent to terminal C as video file.The relative position of terminal A and terminal B are fixed, and terminal A screen displays video content with
Terminal B screen display video contents are consistent.Terminal B, will be preset at least two during sending video file to terminal C
Video data in the video file sent in a first time period saves as at least two sub- reference video files 1,2 ...,
Terminal C is regarded during receiving the video file that terminal B is sent by what is received in preset at least two second time period
Video data in frequency file saves as at least two sub- test video files 1,2 ..., the corresponding packet of each first time period
Containing each second time period.
Test equipment is preserved in at least two sub- reference video files for collecting sending device preservation with receiving device
After at least two sub- test video files, sub- reference video file is pre-processed, and sub- test video file is carried out
Pretreatment, after the completion of pretreatment, according to the first time period and reception for sending at least two sub- reference video file
The second time period of at least two sub- test video files determines the corresponding sub- test video text of every sub- reference video file
Part, i.e. sub- reference video file 1 correspond to sub- test video file 1, and sub- reference video file 2 corresponds to sub- test video file 2.So
It is directed to every sub- test video file afterwards, according to sub- reference video file corresponding with the sub- test video file, using full ginseng
It examines algorithm and video quality test is carried out to the sub- test video file.
When test equipment carries out video matter according to every sub- reference video file to corresponding sub- test video file
It is according to each frame in the sub- reference video file to each frame in corresponding sub- test video file when measuring examination
Carry out video quality test.
Fig. 3 is the video quality test process schematic diagram of the system architecture based on Fig. 2, and terminal A plays video content and repeats
Video file, constitute the video file every section of content repeat the corresponding duration of video data be known as a cycle, each
Video data in cycle T s includes N frames, and the video data in the video file of terminal B acquisition terminal A screens simultaneously acquires itself
The video content that screen is currently shown is sent to terminal C as video file, and according to default during transmission
3 first time period Tr record the machine screen video content, save as 3 sub- reference video file Vr1, Vr2 and Vr3.Eventually
It holds C during receiving video file, records the machine screen content according to preset 3 second time period Tt, save as 3
Sub- test video file Vt1, Vt2 and Vt3.First time period is identical as second time period.Every sub- reference video file includes
Video frame be x, x+1 ... ..., n, 1 ... ..., x, x-1, the video frame that every sub- test video file includes is x, x+
1 ... ..., n, 1 ... ..., x, x-1, x indicate the arbitrary xth frame in cycle T s.
Test equipment pre-processes every sub- test video file and sub- reference video file, determines that each height is surveyed
The corresponding sub- reference video file of video file is tried, that is, Vr1 and Vt1, Vr2 and Vt2, the correspondence of Vr3 and Vt3 is determined,
When carrying out video quality test to Vti according to each Vri, for arbitrary x, in sub- reference video file marked as
The video frame of Vr_x is reference, and video quality test is carried out to the video frame marked as Vt_x in sub- test video file.?
Go out the corresponding virtual opetrating system (Virtual Memory Operating System, VMOS) of every sub- test video file
Value is VMOS1 values, VMOS2 values and VMOS3 values.
Fig. 4 is a kind of video quality test device structure chart provided in an embodiment of the present invention, and described device includes：
Acquisition module 41, for acquiring at least two sub- reference video files and at least two sub- test video files；
Determining module 42, for the first time period and described at least two according to described at least two sub- reference video files
The second time period of a sub- test video file determines the corresponding sub- test video file of every sub- reference video file, wherein
At least two sub- reference video file be during sending video file, will it is preset at least two first time
At least two sub- reference video files that video data in the video file sent in section is preserved, described at least two
A sub- test video file is during receiving video file, by what is received in preset at least two second time period
At least two sub- test video files that video data in video file is preserved；Wherein each first time period pair
What is answered includes each second time period；
Test module 43, for for every sub- test video file, according to son corresponding with the sub- test video file
Reference video file carries out video quality test to the sub- test video file.
The acquisition module is specifically used for acquisition sending device during sending video file to receiving device, will
Video data in the video file sent in preset at least two first time period preserved at least two
Sub- reference video file, and receiving device is acquired during receiving the video file that sending device is sent, it will be preset
At least two son tests that video data in the video file received at least two second time periods is preserved regard
Frequency file.
Fig. 5 A and Fig. 5 B are a kind of video quality test device structure chart provided in an embodiment of the present invention, on the basis of Fig. 4
On, described device further includes：
Preprocessing module 51, for acquisition the sub- reference video file and the sub- test video file located in advance
Reason.
The preprocessing module 51 is specifically used for every sub- reference video file and every sub- test video for acquisition
Sub- reference video file and corresponding sub- test video file are converted to identical display frame rate by file.
The embodiment of the invention discloses a kind of test method of video quality and device, the method includes：Test equipment
Acquire at least two sub- reference video files and at least two sub- test video files；According to described at least two sub- reference videos
The second time period of the first time period of file and described at least two sub- test video files determines every sub- reference video text
The corresponding sub- test video file of part, wherein at least two sub- reference video file is in the process for sending video file
In, the video data in the video file sent in preset at least two first time period is preserved at least
Two sub- reference video files, at least two sub- test video file be during receiving video file, will be pre-
If at least two second time periods in receive video file in video data preserved at least two son survey
Try video file；Corresponding wherein each first time period includes each second time period；For every sub- test video file,
According to sub- reference video file corresponding with the sub- test video file, video quality survey is carried out to the sub- test video file
Examination.Join since in embodiments of the present invention, sub- reference video file and sub- test video file are at least two, and per height
The first time period for examining video file includes the second time period of corresponding sub- test video file, then can be according to each
Sub- reference video file and sub- test video file are carried out one by the period of sub- reference video file and sub- test video file
One corresponds to, to be surveyed according to the one-to-one video quality to multiple sub- test video files of multiple sub- reference video files
Examination.
For systems/devices embodiment, since it is substantially similar to the method embodiment, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Either an operation distinguishes body with another entity or another operation, without necessarily requiring or implying these entities
Or there are any actual relationship or orders between operation.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, the reality of complete Application Example or connected applications and hardware aspect can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and range.In this way, if these modifications and variations of the application belong to the range of the application claim and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (11)
1. a kind of test method of video quality, which is characterized in that the method includes：
Test equipment acquires at least two sub- reference video files and at least two sub- test video files；
According to the first time period of described at least two sub- reference video files and described at least two sub- test video files
Second time period determines the corresponding sub- test video file of every sub- reference video file, wherein at least two sons reference
Video file is the video file that will be sent in preset at least two first time period during sending video file
In at least two sub- reference video files that are preserved of video data, at least two sub- test video file is
During receiving video file, by the video counts in the video file received in preset at least two second time period
According to preserved at least two sub- test video files；Wherein each first time period it is corresponding include each second when
Between section；
For every sub- test video file, according to sub- reference video file corresponding with the sub- test video file, to the son
Test video file carries out video quality test.
2. the method as described in claim 1, which is characterized in that the test equipment acquires at least two sub- reference video files
Include at least two sub- test video files：
Test equipment acquires sending device during sending video file to receiving device, will be preset at least two the
At least two sub- reference video files that video data in the video file sent in one period is preserved, and adopt
Collect receiving device during receiving the video file that sending device is sent, it will be in preset at least two second time period
At least two sub- test video files that video data in the video file of reception is preserved.
3. method as claimed in claim 2, which is characterized in that the test equipment is sending device or receiving device.
4. method as claimed in claim 2 or claim 3, which is characterized in that the video text that the sending device is sent to receiving device
Part is：When the sending device carries out video calling with receiving device, the sending device acquires what itself screen was currently shown
Video content as video file.
5. the method as described in claim 1, which is characterized in that regarded according to sub- reference corresponding with the sub- test video file
Frequency file, before carrying out video quality test to the sub- test video file, the method further includes：
The sub- reference video file and the sub- test video file of acquisition are pre-processed.
6. method as claimed in claim 5, which is characterized in that described pair of sub- reference video file acquired and the sub- test
Video file carries out pretreatment：
Every sub- reference video file for acquisition and every sub- test video file, by sub- reference video file and right with it
The sub- test video file answered is converted to identical display frame rate.
7. the method as described in claim 1, which is characterized in that in every sub- test video file comprising tableaux and
Dynamic menu.
8. a kind of test device of video quality, which is characterized in that described device includes：
Acquisition module, for acquiring at least two sub- reference video files and at least two sub- test video files；
Determining module, for being surveyed at least two son according to the first time period of described at least two sub- reference video files
The second time period for trying video file determines the corresponding sub- test video file of every sub- reference video file, wherein it is described extremely
Few two sub- reference video files are that will be sent out in preset at least two first time period during sending video file
At least two sub- reference video files that video data in the video file sent is preserved, at least two son are surveyed
It is during receiving video file, by the video received in preset at least two second time period text to try video file
At least two sub- test video files that video data in part is preserved；The corresponding packet of wherein each first time period
Containing each second time period；
Test module, for for every sub- test video file, being regarded according to sub- reference corresponding with the sub- test video file
Frequency file carries out video quality test to the sub- test video file.
9. device as claimed in claim 8, which is characterized in that the acquisition module, be specifically used for acquisition sending device to
It, will be in the video file that sent in preset at least two first time period during receiving device sends video file
At least two sub- reference video files that video data is preserved, and acquisition receiving device are receiving sending device transmission
Video file during, by the video data in the video file received in preset at least two second time period into
Row preserves at least two obtained sub- test video files.
10. device as claimed in claim 8, which is characterized in that described device further includes：
Preprocessing module, for acquisition the sub- reference video file and the sub- test video file pre-process.
11. device as claimed in claim 10, which is characterized in that the preprocessing module is specifically used for for the every of acquisition
A sub- reference video file and every sub- test video file, by sub- reference video file and corresponding sub- test video text
Part is converted to identical display frame rate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710256636.6A CN108737812A (en) | 2017-04-19 | 2017-04-19 | A kind of test method and device of video quality |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710256636.6A CN108737812A (en) | 2017-04-19 | 2017-04-19 | A kind of test method and device of video quality |
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| CN108737812A true CN108737812A (en) | 2018-11-02 |
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Cited By (1)
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| WO2020224025A1 (en) * | 2019-05-07 | 2020-11-12 | 网宿科技股份有限公司 | Streaming media quality monitoring method and system |
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