CN106658119A - Video application testing method and apparatus - Google Patents
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- 238000010998 test method Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 6
- 238000010200 validation analysis Methods 0.000 claims description 5
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8173—End-user applications, e.g. Web browser, game
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses a video application testing method and apparatus. The video application testing method comprises the following steps: obtaining video recording in which a video application turning-on process in a terminal screen is recorded; obtaining a start frame and an end frame in the video recording, wherein the start frame is the first frame of video playback turning-on operation performed in the video application, and the end frame is the first frame of the video displayed in the video application displayed on the terminal screen; and obtaining a time interval between the start frame and the end frame, where the time interval is used to indicate time required by a process of playing the video in the video application.
Description
Technical field
The present invention relates to video applications, in particular to a kind of Video Applications method of testing and device.
Background technology
With the rise of net cast industry, the speed-raising in broadband, the communication interaction between user, from the text-to-speech age, across
The video interactive epoch are more arrived, net cast industry is just turned out a prestigious institution.Technical performance advantage is only grasped in this emerging field,
Could have breakthrough in this industry.
The opening and refresh rate of live video, as one of the index of video performance, directly affect user experience and
Patience.Therefore, it is necessary to the opening speed of live video is tested, so as to follow-up improvement.However, now detection video is beaten
The method for opening speed, the angle typically realized from application is calculated.It is for the angle that application is realized, such as live
App application opening video-frequency basic flow journey be：Click through live m->The loading of direct broadcasting room interface->Loading player->Play
Device acquisition video address->Opening video data stream->Play video.Then program can in each of the steps bury a calculating respectively
Time between step.
But this only using the calculating for realizing angle, has certain deviation with the real experiences of user.Such as the operation of user
Block in above process, or other software window has blocked player, user actually is still belonging to normally to open and regards
The situation of frequency.And apply and realize that angle calculation does not take into account that above-mentioned situation, so, for above-mentioned situation, angle is realized by application
The time that degree is calculated just has deviation.Meanwhile, this method is also required to understand the specific implementation of application or needs special
Application developer this could be calculated.Obviously this method has limitation, it is impossible to meet it is convenient, exactly test regard
The demand of the speed that frequency is opened.
For the problems referred to above, effective solution is not yet proposed at present.
The content of the invention
Video Applications method of testing and device are embodiments provided, at least to solve easily and accurately to test
The technical problem of the speed that video is opened.
A kind of one side according to embodiments of the present invention, there is provided Video Applications method of testing, including：Obtain video record
Picture, wherein, the process that Video Applications are opened in terminal screen is recorded in video record；Obtain video record in start frame and
Cut-off frame, wherein, start frame is that first frame for opening video play operation is performed in Video Applications, and cut-off frame is end panel
First frame of video is commenced play out in the Video Applications that curtain shows；The time interval between start frame and cut-off frame is obtained, its
In, time interval is used to indicate to open the time required for video process in Video Applications.
Further, obtaining the start frame in video record and cut-off frame includes：Calculate adjacent two frames figure in video record
Similarity as between；Similarity and threshold value are compared and obtain comparative result；Start frame is determined respectively according to comparative result
With cut-off frame.
Further, determine that start frame and cut-off frame include respectively according to comparative result：In the phase of present frame and former frame
During like degree less than first threshold, determine whether present frame is start frame；If not start frame, then continue sentencing for subsequent neighboring frames
It is disconnected, till start frame is determined；After start frame is judged, in follow-up similarity the consecutive frame of Second Threshold is less than
Whether middle determination present frame is cut-off frame；If not cut-off frame, then continue the judgement of subsequent neighboring frames, until determining cut-off frame
Till, wherein, first threshold is identical or different with Second Threshold.
Further, it is determined that whether present frame is that start frame or cut-off frame include：In present frame and the similarity of former frame
During less than first threshold or Second Threshold, suspend and play video record；Display reminding information, wherein, information is used to point out
User confirms whether present frame is start frame or cut-off frame；The confirmation of receiving user's input；It is true according to the input of user
Recognize whether present frame is start frame or cut-off frame.
Further, calculating the similarity in video record between adjacent two field pictures includes：Adjacent two field pictures are entered
The channel separation of row RGB, isolates tri- passages of R, G, B；What the every two field picture being respectively directed in adjacent two field pictures was isolated
R, G, channel B, calculate respective grey level histogram；The registration of the respective grey level histogram of the adjacent two field pictures of comparison, root
According to comparative result, R, G, the similarity of channel B are calculated respectively；Adjacent two field pictures are obtained according to the similarity of R, G, channel B
Similarity.
Further, the similarity for obtaining adjacent two field pictures according to the similarity of R, G, channel B includes：R, G, B are led to
The similarity in road is averaged or is weighted and averages, used as the similarity of adjacent two field pictures.
Further, R, G, the similarity of channel B are calculated respectively includes：Initialization R, G, the similarity weights of channel B；It is right
256 gray levels of the grey level histogram abscissa of adjacent two field pictures are entered one by one respectively by each in R, G, channel B
Row compares：If when the secondary gray level for comparing is equal, similarity weights add 1；If when the gray level that time compare is unequal, by with
Lower formula calculates the similarity weights of each passage：I-th gray level of one of R, G, the channel B for adjacent two frame, it is similar
Degree weights=similarity weights+(1-abs (i-th gray level of i-th gray level-previous frame of present frame)/max (present frames
I-th gray level, i-th gray level of previous frame))；The Similarity value of one of R, G, the channel B of the adjacent two frame=passage
Similarity weights summation/256, this Similarity value is the registration of the grey level histogram of the passage of adjacent two frame.
Further, the time interval obtained between start frame and cut-off frame includes：Starting in video record is obtained
After frame and cut-off frame, the frame step number of difference record start frame and cut-off frame；According to equation below calculate start frame with cut-off frame it
Between time interval：Time interval=(the frame step number of the frame step number-start frame of cut-off frame)/video frame rate, wherein, video frame rate
For the video frame rate of video record.
According to another aspect of the present invention, there is provided a kind of Video Applications test device, including：Video record obtains single
Unit, is configured to obtain video record, wherein, the process that Video Applications are opened in terminal screen is recorded in video record；Rise
Beginning frame and cut-off frame acquiring unit, are configured to obtain the start frame and cut-off frame in video record, wherein, start frame is to regard
Frequency performs first frame for opening video play operation in applying, and it is to start to broadcast in the Video Applications that terminal screen shows to end frame
Put first frame of video；Time interval acquiring unit, is configured to obtain the time interval between start frame and cut-off frame, its
In, time interval is configured to indicate to open the time required for video process in Video Applications.
Further, start frame and cut-off frame acquiring unit further include computing unit, and computing unit is configured to：Meter
Calculate the similarity between adjacent two field pictures in video record；Similarity and threshold value are compared and obtain comparative result；According to
Comparative result determines respectively start frame and cut-off frame.
Further, computing unit determines that start frame and cut-off frame include according to comparative result：In present frame and former frame
Similarity be less than first threshold when, determine whether present frame is start frame；If not start frame, then continue subsequent neighboring frames
Judge, till start frame is determined；It is adjacent less than Second Threshold in follow-up similarity after start frame is judged
Determine whether present frame is cut-off frame in frame；If not cut-off frame, then continue the judgement of subsequent neighboring frames, until determining cut-off
Till frame, wherein, first threshold is identical or different with Second Threshold.
Further, computing unit determines whether present frame is that start frame or cut-off frame include：In present frame and former frame
Similarity less than first threshold or during Second Threshold, suspend and play video record；Display reminding information, wherein, information
For pointing out user to confirm whether present frame is start frame or cut-off frame；The confirmation of receiving user's input；And according to
Whether the input validation present frame of user is start frame or cut-off frame.
Further, the similarity that computing unit is calculated in video record between adjacent two field pictures includes：To adjacent two
Two field picture carries out the channel separation of RGB, isolates tri- passages of R, G, B；The every two field picture being respectively directed in adjacent two field pictures
R, G, the channel B isolated, calculates respective grey level histogram；The weight of the respective grey level histogram of the adjacent two field pictures of comparison
It is right, according to comparative result, R, G, the similarity of channel B are calculated respectively；And obtain adjacent according to the similarity of R, G, channel B
The similarity of two field pictures.
Further, computing unit includes according to the similarity that the similarity of R, G, channel B obtains adjacent two field pictures：Will
R, G, the similarity of channel B are averaged or are weighted and average, used as the similarity of adjacent two field pictures.
Further, computing unit calculates respectively R, G, the similarity of channel B and includes：Initialization R, G, channel B it is similar
Degree weights；For each in R, G, channel B, respectively to 256 ashes of the grey level histogram abscissa of adjacent two field pictures
Degree level is compared one by one：If when the secondary gray level for comparing is equal, similarity weights add 1；If working as the secondary gray level for comparing not
It is equal, then the similarity weights of each passage are calculated as follows：I-th of one of R, G, channel B for adjacent two frame
Gray level, similarity weights=similarity weights+(1-abs (i-th gray scale of i-th gray level-previous frame of present frame
Level)/max (i-th gray level of present frame, i-th gray level of previous frame))；The phase of one of R, G, the channel B of adjacent two frame
Like similarity weights summation/256 of the angle value=passage, this Similarity value is the grey level histogram of the passage of adjacent two frame
Registration.
Further, the time interval that time interval acquiring unit is obtained between start frame and cut-off frame includes：Obtaining
After start frame and cut-off frame in video record, the frame step number of difference record start frame and cut-off frame；And computing unit according to
Equation below calculates the time interval between start frame and cut-off frame：Time interval=(the frame of the frame step number-start frame of cut-off frame
Step number)/video frame rate, wherein, video frame rate is the video frame rate of video record.
Relative to technical scheme of the prior art, solve cannot the easily and accurately speed that test video is opened skill
Art problem.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is Video Applications method of testing flow chart according to an embodiment of the invention；
Fig. 2 is Video Applications test device schematic diagram according to an embodiment of the invention；
Fig. 3 is the Video Applications test device schematic diagram of another embodiment of the present invention；
Fig. 4 is the schematic flow sheet of the recorded video application opening procedure of another embodiment of the present invention；
Fig. 5 is the operating process schematic diagram of the initialization unit of another embodiment of the present invention；
Fig. 6 is the similarity calculated operating process schematic diagram of the embodiment of the present invention；And
Fig. 7 is record, deletion, the storage unit operating process schematic diagram of the embodiment of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that description and claims of this specification and the term " including " in above-mentioned accompanying drawing and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive includes, for example, contain series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
Other steps list to Chu or intrinsic for these processes, method, product or equipment or unit.
The embodiment of the present invention provides a kind of Video Applications method of testing and device, can accurately test out user and use application
When, the speed of actually opened video and experience, effectively reducing error affects.To make the object, technical solutions and advantages of the present invention
It is clearer, embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
It should be noted that can be in such as one group computer executable instructions the step of the flow process of accompanying drawing is illustrated
Perform in computer system, and, although show logical order in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
The embodiment provides a kind of Video Applications method of testing.
Fig. 1 is Video Applications method of testing flow chart according to an embodiment of the invention, as shown in topic 1.
The Video Applications method of testing includes：
Step S102, obtains video record, wherein, the mistake that Video Applications are opened in terminal screen is recorded in video record
Journey；
Step S104, obtains the start frame and cut-off frame in video record, wherein, start frame is to perform in Video Applications
First frame of video play operation is opened, it is to commence play out the first of video in the Video Applications that terminal screen shows to end frame
Individual frame；
Step S106, obtains the time interval between start frame and cut-off frame, wherein, time interval is used to indicate in video
The time required for video process is opened using in.
In this embodiment of the invention, by performing start frame and the cut-off of opening video play operation in acquisition Video Applications
Frame, wherein, start frame is that first frame for opening video play operation is performed in Video Applications, and cut-off frame is aobvious for terminal screen
First frame of video is commenced play out in the Video Applications shown, you can obtain open Video Applications time because start frame with
Cut-off frame correspond to Video Applications from the process started to open to successfully opening, so, by this mode, without the need for such as prior art
In calculate the time of each step by burying in each of the steps, and can easily calculate the opening time of Video Applications,
Which thereby enhance the efficiency of calculating.
Above described embodiment describes Video Applications method of testing, in the method, obtain video record in start frame and
Cut-off frame can have various ways, in one alternate embodiment, can be in the following way：Calculate adjacent two in video record
Similarity between two field picture；Similarity and threshold value are compared and obtain comparative result；Determined respectively according to comparative result
Beginning frame and cut-off frame.In the embodiment, start frame and cut-off frame are determined by way of the adjacent two field pictures similarity of calculating,
Efficiency and the accuracy for determining can be accelerated.
Additionally, determine that start frame and cut-off frame can also have various ways respectively according to the comparative result of similarity, one
In individual alternative embodiment, can be in the following ways：When the similarity of present frame and former frame is less than first threshold, it is determined that currently
Whether frame is start frame；If not start frame, then continue the judgement of subsequent neighboring frames, till start frame is determined；Sentencing
Break and after start frame, determine whether present frame is cut-off frame in consecutive frame of the follow-up similarity less than Second Threshold；If
Frame is not off, then continues the judgement of subsequent neighboring frames, till cut-off frame is determined, wherein, first threshold and the second threshold
Value is identical or different.In the embodiment, it is compared with default threshold value by the Similarity value for calculating, is realized to start frame
With the accurate judgement of cut-off frame.
Additionally, determining whether present frame is that start frame there can be various ways, for example, by way of manual observation, lead to
Cross mode that predetermined standard is automatically confirmed that, etc..In an alternative embodiment of the invention, can be in the following way：Working as
When previous frame is less than first threshold or Second Threshold with the similarity of former frame, suspends and play video record；Display reminding information, its
In, information is used to point out user to confirm whether present frame is start frame or cut-off frame；The confirmation letter of receiving user's input
Breath；Whether the input validation present frame according to user is start frame or cut-off frame.In the embodiment, it is limited in the similarity for calculating
During default threshold value, suspend and play video record, display reminding information enables tester to be judged in time, and passes through
Suspend and play video record so that tester is easier to make for judging.
Additionally, the similarity calculated in video record between adjacent two field pictures can also have various ways, can at one
In selecting embodiment, in the following ways：The channel separation of RGB is carried out to adjacent two field pictures, tri- passages of R, G, B are isolated；
R, G, channel B that the every two field picture being respectively directed in adjacent two field pictures is isolated, calculate respective grey level histogram；Relatively
The registration of the respective grey level histogram of adjacent two field pictures, according to comparative result, calculates respectively R, G, the similarity of channel B；
The similarity of adjacent two field pictures is obtained according to the similarity of R, G, channel B.In the embodiment, describe adjacent two field pictures it
Between similarity a kind of circular, with it, the similarity between adjacent two field pictures can be obtained accurately,
Lay the foundation subsequently to compare.
Additionally, the similarity for obtaining adjacent two field pictures according to the similarity of R, G, channel B can have various ways.One
In individual alternative embodiment, in the following way：The similarity of R, G, channel B is averaged or weighted and averages, as
The similarity of adjacent two field pictures.In the embodiment, describe R, G, the value mode of channel B similarity, can according to precision or
The requirement of efficiency selects a kind of mode.
Additionally, calculating R, G, the similarity of channel B can have various ways.In one alternate embodiment, using as follows
Mode is calculated：Initialization R, G, the similarity weights of channel B；For each in R, G, channel B, respectively to adjacent two
256 gray levels of the grey level histogram abscissa of two field picture are compared one by one：If when the secondary gray level for comparing is equal, phase
Add 1 like degree weights；If when the secondary gray level for comparing is unequal, the similarity weights of each passage are calculated as follows：It is right
I-th gray level of one of R, G, the channel B in adjacent two frame, similarity weights=similarity weights+(1-abs be (present frame
I-th gray level of i-th gray level-previous frame)/max (i-th gray level of present frame, i-th gray scale of previous frame
Level))；Similarity weights summation/256 of the Similarity value=passage of one of R, G, the channel B of adjacent two frame, this Similarity value
The registration of the grey level histogram of the passage of as adjacent two frame.In the embodiment, the concrete meter of grey level histogram is described
Calculation mode, can accurately and efficiently calculate by this way the grey level histogram of adjacent two field pictures.
Additionally, the time interval obtained between start frame and cut-off frame can have various ways.For example, directly by timing
Mode when determining start frame and cut-off frame corresponding time, determining start frame and corresponding cut-off frame indirectly by other means
Between.In one alternate embodiment, can be in the following ways：After start frame and cut-off frame in video record is obtained, point
The frame step number of other record start frame and cut-off frame；Time interval between start frame and cut-off frame is calculated according to equation below：When
Between interval=(the frame step number of the frame step number-start frame of cut-off frame)/video frame rate, wherein, video frame rate is regarded for video record
Frequency frame per second.In the embodiment, by record start frame and the frame step number of cut-off frame, you can easily calculate start frame with cut-off
Time interval between frame.
The embodiment provides a kind of Video Applications test device.
Fig. 2 is Video Applications test device schematic diagram according to an embodiment of the invention.As shown in Figure 2：
The Video Applications test device includes：
Video record acquiring unit 202, is configured to obtain video record, wherein, end panel is recorded in video record
The process that Video Applications are opened in curtain；
Start frame and cut-off frame acquiring unit 204, are configured to obtain the start frame and cut-off frame in video record, its
In, start frame is that first frame for opening video play operation is performed in Video Applications, and it is what terminal screen showed to end frame
First frame of video is commenced play out in Video Applications；
Time interval acquiring unit 206, is configured to obtain the time interval between start frame and cut-off frame, wherein, when
Between interval be configured to indicate in Video Applications open video process required for time.In the present invention, by Video Applications
Test device is obtained and perform in Video Applications first frame for opening video play operation and first frame for commencing play out video,
Can obtain the time for opening Video Applications, and without the need for as calculated each step by burying in each of the steps in prior art
Time.
In this embodiment of the invention, obtain to be performed in Video Applications by start frame and cut-off frame acquiring unit and open video
The start frame and cut-off frame of play operation, wherein, start frame is to perform to open the first of video play operation in Video Applications
Individual frame, it is first frame that video is commenced play out in the Video Applications that terminal screen shows to end frame, you can obtains and opens video
Using time because start frame and cut-off frame correspond to Video Applications from starting to open to the process successfully opened, lead to
This mode is crossed, without the need for passing through to bury a time for calculating each step in each of the steps in such as prior art, and can be easily
The opening time of Video Applications is calculated, the efficiency of calculating is which thereby enhanced.
Additionally, start frame and cut-off frame that start frame and cut-off frame acquiring unit 204 are obtained in video record can have many
The mode of kind, start frame and cut-off frame acquiring unit 204 can also include multiple units, by one or more realities in multiple units
Now obtain the function of start frame and cut-off frame.In an alternative embodiment of the invention, start frame and cut-off frame acquiring unit are entered
One step includes computing unit, and computing unit is configured to：Calculate the similarity between adjacent two field pictures in video record；By phase
It is compared like degree and threshold value and obtains comparative result；Start frame and cut-off frame are determined respectively according to comparative result.In the embodiment,
In the embodiment, start frame and cut-off frame are determined by way of the adjacent two field pictures similarity of calculating, can accelerate to determine
Efficiency and accuracy.
Additionally, computing unit determines that start frame and cut-off frame can adopt various ways according to comparative result.It is optional at one
In embodiment, in the following way：When the similarity of present frame and former frame is less than first threshold, determine that whether present frame is
Start frame；If not start frame, then continue the judgement of subsequent neighboring frames, till start frame is determined；Judging starting
After frame, determine whether present frame is cut-off frame in consecutive frame of the follow-up similarity less than Second Threshold；If not cut-off
Frame, then continue subsequent neighboring frames judgement, until determine cut-off frame till, wherein, first threshold it is identical with Second Threshold or
It is different.In the embodiment, in the embodiment, it is compared with default threshold value by the Similarity value for calculating, is realized to rising
Beginning frame and the accurate judgement for ending frame.
Additionally, computing unit determines whether present frame is that start frame or cut-off frame can be using various ways, can at one
In selecting embodiment, can be in the following way：When the similarity of present frame and former frame is less than first threshold or Second Threshold, temporarily
Break and put video record；Display reminding information, wherein, information be used to pointing out user confirm present frame be whether start frame or
Person ends frame；The confirmation of receiving user's input；And whether be start frame or cut according to the input validation present frame of user
Only frame.In the embodiment, in the embodiment, when the similarity for calculating is limited to default threshold value, suspends and play video record, show
Show information, tester is judged in time, and video record is played by suspending so that tester is easier
Judged.
Additionally, computing unit calculates the similarity in video record between adjacent two field pictures can adopt various ways,
In one alternate embodiment, can be in the following way：The channel separation of RGB is carried out to adjacent two field pictures, isolate R,
Tri- passages of G, B；R, G, channel B that the every two field picture being respectively directed in adjacent two field pictures is isolated, calculate respective ash
Degree histogram；The registration of the respective grey level histogram of the adjacent two field pictures of comparison, according to comparative result, calculates respectively R, G, B
The similarity of passage；And the similarity of adjacent two field pictures is obtained according to the similarity of R, G, channel B.In the embodiment, should
In embodiment, a kind of circular of the similarity between adjacent two field pictures is described, with it, can be accurate
The similarity between adjacent two field pictures is obtained, is subsequently to compare to lay the foundation.
Additionally, computing unit can have various according to the similarity that the similarity of R, G, channel B obtains adjacent two field pictures
Mode, in one alternate embodiment, can be in the following way：The similarity of R, G, channel B is averaged or weighted
Average, as the similarity of adjacent two field pictures.In the embodiment, in the embodiment, R, G, channel B similarity are described
Value mode, a kind of mode can be selected according to the requirement of precision or efficiency.
Additionally, computing unit calculates respectively R, G, the similarity of channel B can various ways.In an alternative embodiment
In, can be in the following way：Initialization R, G, the similarity weights of channel B；For each in R, G, channel B, difference
256 gray levels of the grey level histogram abscissa of adjacent two field pictures are compared one by one：If when the secondary gray level for comparing
Equal, then similarity weights add 1；If when the secondary gray level for comparing is unequal, the similar of each passage is calculated as follows
Degree weights：I-th gray level of one of R, G, the channel B for adjacent two frame, similarity weights=similarity weights+(1-abs
(i-th gray level of i-th gray level-previous frame of present frame)/max (i-th gray level of present frame, the i-th of previous frame
Individual gray level))；Similarity weights summation/256 of the Similarity value=passage of one of R, G, the channel B of adjacent two frame, this phase
The registration of the grey level histogram of the passage of adjacent two frame is like angle value.In the embodiment, in the embodiment, ash is described
Histogrammic concrete calculation is spent, the intensity histogram of adjacent two field pictures can be accurately and efficiently calculated by this way
Figure.
Additionally, the time interval that time interval acquiring unit is obtained between start frame and cut-off frame can have various ways.
In one alternate embodiment, in the following way：After start frame and cut-off frame in video record is obtained, record respectively
The frame step number of beginning frame and cut-off frame；And computing unit was calculated between the time between start frame and cut-off frame according to equation below
Every：Time interval=(the frame step number of the frame step number-start frame of cut-off frame)/video frame rate, wherein, video frame rate is video record
Video frame rate.In the embodiment, by record start frame and cut-off frame frame step number, you can easily calculate start frame with
Time interval between cut-off frame.
Fig. 3 is the Video Applications test device schematic diagram of another embodiment of the present invention；As shown in figure 3, specifically, the dress
Put including：
Recording elements 302, the specific Video Applications of the embodiment of the present invention are internet video live broadcasting, and the acting as of this element is led to
The operation that analog subscriber activates to open video-see is crossed, behavior recording is carried out, and generates video recording, be regarding for follow-up user behavior
Frequency video recording analysis is prepared.The concrete operation workflow of this element, will in more detail be retouched in the schematic flow sheet of Fig. 4 embodiments
State.
Initialization unit 304, acting as this element, before playing and calculating for subsequent cell, is carried out just to each setting
Beginning chemical industry is made.The specific descriptions of this element, will be described in more detail in the schematic flow sheet of Fig. 5 embodiments.
Broadcast unit 306, is the core cell of this embodiment of the invention.In addition to itself unit, also including similarity meter
Calculate the unit such as unit and record, deletion, preservation process.It act as, and the video record of modelling customer behavior is played out, divided
The work such as analysis, calculating and record preservation.Broadcast unit 306 includes similarity calculated 306-2 and processing unit 306-4.
Wherein, similarity calculated 306-2 is the core algorithm unit of this embodiment of the invention.It act as, to video
The each two field picture played carries out image similarity calculating, and result is exported carries out demand process and calculating to subsequent cell.
The specific descriptions of this element, will be described in more detail in the schematic flow sheet of Fig. 6 embodiments.Processing unit 306-4 bags
Include：Recording unit, deletion unit, storage unit.This processing unit act as, according to the result of Similarity Measure and currently playing
Frame of video, coordinate actual user to activate to open the behavior of net cast, carry out frame nodes records, delete and count to actually required
Calculate the work such as preservation.The specific descriptions of this element, will be described in more detail in the schematic flow sheet of Fig. 7 embodiments.
Output display unit 308, acting as this element, ties final entry, the frame node for calculating and preserving and test
Really, graphically display output in display unit, facilitates tester's exact p-value result, test result to include, real
The frame step number of frame node of border record, the image similarity angle value of frame node, the Similarity value of all images frame of video record
Time interval between histogram and record frame node.
The embodiment is only a preferred embodiment of the present invention, it is clear that the test device of the embodiment of the present invention is not
It is limited to this embodiment.For example, one or more in similarity calculated, recording unit, deletion unit, storage unit
Can be independently of broadcast unit.Or, broadcast unit can not also be adopted in the present invention, but directly the image to obtaining is carried out
Identifying processing, therefrom obtains start frame and cut-off frame.
Fig. 4 is the schematic flow sheet of the recording elements recorded video application opening procedure of another embodiment of the present invention；This
The specific workflow of recording elements is as follows：
S402：The object recorded is set, if the application of user is the net cast application of PC ends, is recorded object and be could be arranged to
PC desktops；If the application of user is mobile phone terminal net cast application, records object and may be configured as mobile phone terminal screen.
S404：By S402 steps, recording object can start after setting completed, just recording, to subsequent user behavior
Operation carries out whole videograph.When recording elements are recorded, (this can be by existing on a frame-by-frame basis to intercept the screen of user operation
Field records to realize, or can also carry out screenshotss to the screen of user to realize by network), user is opened the row of video
Get off for process record, and generate video record file.
S406：Open net cast application.
S408：Watching video live broadcast application is opened, is specifically potentially included and is selected the live main broadcaster to be watched, clicks through master
Broadcast place room channel, wait live application loading room channel UI, video player, final normal opening video flowing.
Step S406 and S408 can regard the unlatching of analog subscriber as, open the operation of net cast.
S410：After completing above-mentioned behavior operation, then can stop recording.
S412：The video record output for generating is processed to subsequent processing units.
Fig. 5 is the operating process schematic diagram of the initialization unit of another embodiment of the present invention；The specific works of this element
Flow process is as follows：
S502：The step is one of initial work, i.e. obtain above-mentioned video file, is that subsequent cell makees input standard
It is standby.
S504：From video file, its video frame rate is obtained, and initialized.
S506：Initialization similarity threshold, it act as, time-out when follow-up play unit is played according to this Numerical Control
Rhythm.The particular use of this numerical value can more specifically be described in Fig. 6 schematic diagrames.
S508：The frame nodes of initialization record, it act as, and for trailer record, storage unit record frame node is provided
The reference frame of quantity.
Fig. 6 is the similarity calculated operating process schematic diagram of the embodiment of the present invention；The specific workflow of this element
It is as follows：
S602：In video playback unit playing process, similarity calculated can every time read adjacent each frame of broadcasting
Video, is that follow-up Similarity Measure is prepared.
S604：The channel separation of RGB is carried out to reading adjacent 2 two field picture come in, 3 passages of R, G, B are isolated, it is defeated
Go out and calculated to follow-up image similarity algorithm.
S606：The image similarity of R passages is calculated, the R passages isolated to 2 two field pictures respectively first, is calculated each
Grey level histogram.Further, initialisation image similarity weights.Further, adjacent 2 frame grey level histogram is compared
Registration, (can describe here deeper into, including add computing formula).According to the coincidence situation of 2 frame grey level histograms, calculate
Go out weighted value.This weighted value, the as Similarity value of R passages.
Wherein, herein below is specifically included in step S606：First, initialisation image similarity weights are 0.Further
Ground, the registration of the grey level histogram of the adjacent 2 frame R passages of comparison.Specifically, respectively to adjacent 2 frame grey level histogram abscissa
Gray level one by one be compared, R passages have 256 gray levels, therefore need to compare 256 times；If when the secondary gray level phase for comparing
Deng similarity weights add 1；Otherwise, the calculating of similarity weights, is carried out as follows：Hypothesis is currently comparing before and after 2 frame
R passages i-th gray level, then similarity weights=similarity weights+(1-abs (i-th gray level of present frame-upper
I-th gray level of frame)/max (i-th gray level of present frame, i-th gray level of previous frame)).The R of final adjacent 2 frame
The Similarity value of passage=similarity weights summation/256, this Similarity value is the grey level histogram of the R passages of adjacent 2 frame
Registration, the present invention is referred to as the Similarity value of R passages.
S608：The image similarity of G passages is calculated, and its calculating process is consistent with R passage principles.
S610：The image similarity of channel B is calculated, and its calculating process is consistent with R passage principles.
S612：The weighted value of 3 passages of R, G, B is averaged, as the Similarity value of this 2 two field picture.
Fig. 7 is record, deletion, the storage unit operating process schematic diagram of the embodiment of the present invention.Specific operation steps bag
Include：
S702：Broadcast unit judges whether to suspend and plays according to the similarity threshold arranged in initialization unit.If similar
When the present frame of degree computing unit output is higher than similarity threshold with the Similarity value of previous frame image, then skip, continue to play
With calculating next frame similarity；If the present frame of similarity calculated output is to the Similarity value of previous frame image less than similar
During degree threshold value, suspend and play, while prompt tone can be sent, point out tester to be checked.
S704：Suspend after playing, tester watches the image frame of current hang, determine whether the frame section for needing record
Point.If so, then this frame node is input to recording unit；Otherwise, this frame node is input to deletion unit.Wherein, judging
When whether being start frame and cut-off frame, different similarity thresholds can also be adopted using identical similarity threshold.
Wherein, opening in the present invention needs the frame node of record to include start frame and cut-off frame in Video Applications scene.Rise
Beginning frame, to initially enter the time instant for opening video flow process；Cut-off frame is smooth opening video pictures and starts formal broadcasting
A moment moment.Start frame and cut-off frame between, may also have flow process include, loading video player, obtain video address,
Open video flowing, etc. video pictures to be loaded etc..Different live application realizes, above-mentioned flow process may difference.And
The method of testing of the present invention, is not limited to above-mentioned application scenarios, the frame interstitial content of required record, depending on the need of different application scene
Ask, may be different.
S706：Recording unit, the frame node of record needed for preserving.It is valid inter frame temporal interval to be calculated for follow-up storage unit
It is standby.
S708：Unit is deleted, invalid frame node is deleted.
S710：Storage unit, according to the video recording frame per second of initialization unit, calculates the inter frame temporal of recorded frame node
Interval.Specifically, computing formula is：Inter frame temporal interval=(the start frame step number of the cut-off frame step number-record of record)/video
Frame per second.In embodiments of the present invention, this interFrameGap, as user open net cast to can normally in watching process, institute
The real time for needing.
The method of testing of the present invention, mainly carries out applying test at beholder end.Can apply to test multiple different
Live app applications, realize without the need for understanding program, can also detect the opening video speed of different live app.Test result can be with
It is applied to the Performance comparision of the opening video speed of the live applications of multiple different app.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.It will be appreciated by those of skill in the art that above-mentioned in the present invention
Embodiment, can carry out various combinations.
In several embodiments provided herein, it should be understood that disclosed technology contents, can pass through other
Mode is realized.Wherein, device embodiment described above is only schematic, the division of such as unit, can be one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can with reference to or can
To be integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication connection by some interfaces, unit or module,
Can be electrical or other forms.
As separating component explanation unit (module) can be or may not be it is physically separate, as unit
The part of display can be or may not be physical location, you can with positioned at a place, or can also be distributed to many
On individual unit.Some or all of unit therein can according to the actual needs be selected to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If integrated unit is realized and as independent production marketing or when using using in the form of SFU software functional unit, can
In to be stored in a computer read/write memory medium.Based on such understanding, technical scheme substantially or
Saying all or part of the part or technical scheme contributed to prior art can be embodied in the form of software product
Out, the computer software product is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the invention
Step.And aforesaid storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can be with the medium of store program codes.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (16)
1. a kind of Video Applications method of testing, it is characterised in that include：
Video record is obtained, wherein, the process that Video Applications are opened in terminal screen is recorded in the video record；
The start frame and cut-off frame in the video record is obtained, wherein, the start frame is to perform in the Video Applications
First frame of video play operation is opened, the cut-off frame is to start to broadcast in the Video Applications that the terminal screen shows
Put first frame of the video；
The time interval between the start frame and the cut-off frame is obtained, wherein, the time interval is used to indicate described
The time required for video process is opened in Video Applications.
2. method according to claim 1, it is characterised in that obtain the start frame and cut-off frame bag in the video record
Include：
Calculate the similarity between adjacent two field pictures in the video record；
The similarity and threshold value are compared and obtain comparative result；
The start frame and the cut-off frame are determined respectively according to the comparative result.
3. method according to claim 2, it is characterised in that according to the comparative result determine respectively the start frame and
The cut-off frame includes：
When the similarity of present frame and former frame is less than first threshold, determine whether the present frame is the start frame；If
It is not the start frame, then continues the judgement of subsequent neighboring frames, till the start frame is determined；
After the start frame is judged, whether present frame is determined in consecutive frame of the follow-up similarity less than Second Threshold
For the cut-off frame；If not the cut-off frame, then continue the judgement of subsequent neighboring frames, until determining that the cut-off frame is
Only, wherein, the first threshold is identical or different with the Second Threshold.
4. method according to claim 3, it is characterised in that determine whether the present frame is the start frame or described
Cut-off frame includes：
When the similarity of present frame and former frame is less than the first threshold or the Second Threshold, suspends and play the video
Video recording；
Display reminding information, wherein, the information be used to pointing out user confirm present frame be whether the start frame or
The cut-off frame；
Receive the confirmation of the user input；
Whether present frame is the start frame or the cut-off frame according to the input validation of the user.
5. the method according to any one of claim 2 to 4, it is characterised in that calculate adjacent two in the video record
Similarity between two field picture includes：
The channel separation of RGB is carried out to adjacent two field pictures, tri- passages of R, G, B are isolated；
R, G, channel B that the every two field picture being respectively directed in the adjacent two field pictures is isolated, calculate respective gray scale straight
Fang Tu；
Compare the registration of the respective grey level histogram of the adjacent two field pictures, according to comparative result, R, G, B are calculated respectively and is led to
The similarity in road；
The similarity of the adjacent two field pictures is obtained according to the similarity of the R, G, channel B.
6. method according to claim 5, it is characterised in that the phase is obtained according to the similarity of the R, G, channel B
The similarity of adjacent two field pictures includes：
The similarity of the R, G, channel B is averaged or weighted and averages, as the phase of the adjacent two field pictures
Like degree.
7. method according to claim 5, it is characterised in that calculating the R, G, the similarity of channel B respectively includes：
Initialization R, G, the similarity weights of channel B；
For each in R, G, channel B, respectively to 256 gray levels of the grey level histogram abscissa of adjacent two field pictures
It is compared one by one：
If when the secondary gray level for comparing is equal, the similarity weights add 1；
If when the secondary gray level for comparing is unequal, the similarity weights of each passage are calculated as follows：
I-th gray level of one of R, G, the channel B for adjacent two frame, similarity weights=similarity weights+(1-abs (when
I-th gray level of i-th gray level-previous frame of previous frame) and/max (i-th gray level of present frame, i-th of previous frame
Gray level))；
Similarity weights summation/256 of the Similarity value=passage of one of R, G, the channel B of adjacent two frame, this is similar
Angle value is the registration of the grey level histogram of the passage of adjacent two frame.
8. the method according to any one of claim 2 to 4, it is characterised in that obtain the start frame and the cut-off
Time interval between frame includes：
After start frame and cut-off frame in the video record is obtained, the frame of the start frame and the cut-off frame is recorded respectively
Step number；
Time interval between the start frame and the cut-off frame is calculated according to equation below：The time interval=(cut-off
The frame step number of the frame step number-start frame of frame)/video frame rate, wherein, the video frame rate is the video frame rate of video record.
9. a kind of Video Applications test device, it is characterised in that include：
Video record acquiring unit, is configured to obtain video record, wherein, recorded in terminal screen in the video record
The process that Video Applications are opened；
Start frame and cut-off frame acquiring unit, are configured to obtain the start frame and cut-off frame in the video record, wherein, institute
It is that first frame for opening video play operation is performed in the Video Applications to state start frame, and the cut-off frame is the terminal
First frame of the video is commenced play out in the Video Applications of screen display；
Time interval acquiring unit, is configured to obtain the time interval between the start frame and the cut-off frame, wherein, institute
State time interval to be configured to indicate to open the time required for video process in the Video Applications.
10. device according to claim 9, it is characterised in that the start frame and cut-off frame acquiring unit are further wrapped
Computing unit is included, the computing unit is configured to：
Calculate the similarity between adjacent two field pictures in the video record；
The similarity and threshold value are compared and obtain comparative result；
The start frame and the cut-off frame are determined respectively according to the comparative result.
11. devices according to claim 10, it is characterised in that the computing unit determines institute according to the comparative result
Stating start frame and the cut-off frame includes：
When the similarity of present frame and former frame is less than first threshold, determine whether the present frame is the start frame；If
It is not the start frame, then continues the judgement of subsequent neighboring frames, till the start frame is determined；
After the start frame is judged, whether present frame is determined in consecutive frame of the follow-up similarity less than Second Threshold
For the cut-off frame；If not the cut-off frame, then continue the judgement of subsequent neighboring frames, until determining that the cut-off frame is
Only, wherein, the first threshold is identical or different with the Second Threshold.
12. devices according to claim 11, it is characterised in that the computing unit determines whether the present frame is institute
Stating start frame or the cut-off frame includes：
When the similarity of present frame and former frame is less than the first threshold or the Second Threshold, suspends and play the video
Video recording；
Display reminding information, wherein, the information be used to pointing out user confirm present frame be whether the start frame or
The cut-off frame；
Receive the confirmation of the user input；And
Whether present frame is the start frame or the cut-off frame according to the input validation of the user.
13. devices according to any one of claim 10 to 12, it is characterised in that regard described in the computing unit calculating
Similarity in frequency video recording between adjacent two field pictures includes：
The channel separation of RGB is carried out to adjacent two field pictures, tri- passages of R, G, B are isolated；
R, G, channel B that the every two field picture being respectively directed in the adjacent two field pictures is isolated, calculate respective gray scale straight
Fang Tu；
Compare the registration of the respective grey level histogram of the adjacent two field pictures, according to comparative result, R, G, B are calculated respectively and is led to
The similarity in road；And
The similarity of the adjacent two field pictures is obtained according to the similarity of the R, G, channel B.
14. devices according to claim 13, it is characterised in that the computing unit according to the R, G, channel B phase
The similarity for obtaining the adjacent two field pictures like degree includes：
The similarity of the R, G, channel B is averaged or weighted and averages, as the phase of the adjacent two field pictures
Like degree.
15. devices according to claim 13, it is characterised in that the computing unit calculates respectively the R, G, channel B
Similarity include：
Initialization R, G, the similarity weights of channel B；
For each in R, G, channel B, respectively to 256 gray levels of the grey level histogram abscissa of adjacent two field pictures
It is compared one by one：
If when the secondary gray level for comparing is equal, the similarity weights add 1；
If when the secondary gray level for comparing is unequal, the similarity weights of each passage are calculated as follows：
I-th gray level of one of R, G, the channel B for adjacent two frame, similarity weights=similarity weights+(1-abs (when
I-th gray level of i-th gray level-previous frame of previous frame) and/max (i-th gray level of present frame, i-th of previous frame
Gray level))；
Similarity weights summation/256 of the Similarity value=passage of one of R, G, the channel B of adjacent two frame, this is similar
Angle value is the registration of the grey level histogram of the passage of adjacent two frame.
16. devices according to any one of claim 10 to 12, it is characterised in that the time interval acquiring unit is obtained
The time interval taken between the start frame and the cut-off frame includes：
After start frame and cut-off frame in the video record is obtained, the frame of the start frame and the cut-off frame is recorded respectively
Step number；And
The computing unit calculates the time interval between the start frame and the cut-off frame according to equation below：The time
Interval=(the frame step number of the frame step number-start frame of cut-off frame)/video frame rate, wherein, the video frame rate is video record
Video frame rate.
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Application publication date: 20170510 |