CN109309831A - The test method and device of video delay in video conference - Google Patents
The test method and device of video delay in video conference Download PDFInfo
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- CN109309831A CN109309831A CN201811528749.8A CN201811528749A CN109309831A CN 109309831 A CN109309831 A CN 109309831A CN 201811528749 A CN201811528749 A CN 201811528749A CN 109309831 A CN109309831 A CN 109309831A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Abstract
The present invention relates to video conferencing technology fields, more particularly to the test method and device of video delay in video conference, this method includes obtaining the first video data that multipoint control unit is decoded the first data message to be tested and the second data message to be tested with time label；Second data message to be tested is decoded, the second video data and time label are obtained；The delay of multipoint control unit is calculated in the corresponding time label of timestamp and the second video data based on the first video data.This method adds timestamp when being decoded to the first data message to be tested received, which is corresponding timestamp when multipoint control unit decodes；The addition upper time label when carrying out media handling to decoded video data, the time is labeled as corresponding time when media handling, caused delay, reliability with higher are transmitted in a network by can be avoided data message based on timestamp and time label.
Description
Technical field
The present invention relates to video conferencing technology fields, and in particular to a kind of test method of video delay in video conference and
Device.
Background technique
With the development of the times and earth-shaking variation is just occurring for social progress, the communication way of people.Video
Meeting has been increasingly becoming a kind of communication way of mainstream, it is convenient and efficient, and visual pattern is liked by everybody deeply.Wherein, center
The video conference application of dot pattern is extremely wide.For so-called center dot pattern i.e. in video conference, audio, video data is whole from source
End is sent to multipoint control unit, and purpose terminal is dealt into after the processing of multipoint control unit.And audio, video data is in multiple spot control
The regular hour will necessarily be consumed in the treatment process of unit processed, the video of the video pictures and purpose terminal that cause source terminal is drawn
There are nonsynchronous phenomenons in face, wherein the time consumed is exactly the time delay of video pictures, the size of time delay has video conference
Important influence.
In order to solve the above-mentioned technical problem, the video pictures of source terminal and purpose terminal are generally acquired in the prior art,
And video pictures are compared and analyzed, to obtain the delay of video pictures.However, source terminal and the video of purpose terminal are drawn
It further include the delay in network transmission process caused by the delay in face is in addition to the processing multipoint control unit.Due to not
Under same network environment, the delay in network transmission process is different, and therefore, the reliability that this method tests out delay is relatively low.
In addition, China Patent Publication No. is to disclose a kind of survey of video delay in the patent document of CN102158683A
Method for testing, comprising: obtain data message, the data message includes the first report that source terminal is sent to multipoint control unit MCU
The literary and described MCU is sent to the second message of remote terminal；Respectively in the video code flow message of first message and second
Same frame image is obtained in the video code flow message of message；Parse and obtain two of the same frame image in described two messages
Different time information；Slowed-down video is calculated according to the time difference of described two different time information.However, invention human hair
Existing, it is usually source terminal that source terminal, which is sent to the temporal information of image in the first message of multipoint control unit MCU, in the program
The time for forming message, since there are network delays between source terminal and multipoint control unit MCU, so that detected multiple spot
Network delay time is contained in the delay of control unit MCU, causes the delay test result of multipoint control unit MCU inaccurate
Really.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of test method of video delay in video conference and device, with
Solve the problems, such as existing multipoint control unit MCU delay test result inaccuracy.
According in a first aspect, the embodiment of the invention provides a kind of test methods of video delay in video conference, comprising:
Obtain the first video data and have that multipoint control unit is decoded the first data message to be tested
The second data message to be tested of time label；Wherein, first data message to be tested is that source terminal is sent to multiple spot control
The data message of unit processed carries the timestamp added when multipoint control unit decoding in first video data；
The second data message multipoint control unit to be tested obtains after decoding to first data message to be tested
Video data carries out the data message obtained after media handling；
Second data message to be tested is decoded, the second video data and time label are obtained；
The corresponding time label of timestamp and second video data based on first video data is calculated
The delay of the multipoint control unit.
The test method of video delay in video conference provided in an embodiment of the present invention, wherein the first data packet to be tested
The data message of multipoint control unit is sent to for source terminal, multipoint control unit is to the first datagram to be tested received
Upper timestamp is added when text is decoded, which is corresponding timestamp when multipoint control unit decodes；In addition, multiple spot control
Unit processed addition upper time label, the time when carrying out media handling to decoded video data are labeled as multiparty control list
Corresponding time when first media handling, by can be avoided data message based on timestamp and time label and transmit in a network
Caused delay；The media handling institute that the delay that delay test is obtained is multipoint control unit is carried out to the data message
Caused delay, reliability with higher.
With reference to first aspect, in first aspect first embodiment, the time based on first video data
Stab the delay that the multipoint control unit is calculated in time label corresponding with second video data, comprising:
It starts simultaneously at and plays first video data and second video data；
The random broadcasting for suspending first video data and second video data simultaneously, to obtain first view
Frequency shows that picture and corresponding second video of second video data show picture according to corresponding first video；
Show that the timestamp of picture and the second video show the time label on picture based on first video,
Calculate the time difference；The time difference is the delay of the multipoint control unit.
The test method of video delay in video conference provided in an embodiment of the present invention passes through to play simultaneously and suspends the simultaneously
One video data and the second video data ensure that the unification that two video datas play and stop, and improve video delay and survey
The reliability of examination.
First embodiment with reference to first aspect, in first aspect second embodiment, described start simultaneously at plays institute
State the first video data and second video data, comprising:
Receive play instruction；
Thread, which is sent, using two data messages simultaneously sends first video data and second video respectively
Data；
First video data and second video data are received respectively using two data message receiving threads,
To obtain the first video image and the second video image.
The test method of video delay in video conference provided in an embodiment of the present invention, by being utilized simultaneously in same terminal
Data message sends thread and sends two messages to be tested respectively, reduces interference of the network cause to test result, and more
Accurately judge that same frame data in the time change by multipoint control unit before and after the processing, improve the reliable of delay test
Property.
Second embodiment with reference to first aspect, it is described to suspend institute simultaneously at random in first aspect third embodiment
State the first video data and second video data, comprising:
Receive pause instruction；
Suspend described two data messages simultaneously and send threads, shows picture and described the to obtain first video
Two videos show picture；Wherein, first video shows that picture and second video show that picture is respectively described two
The last frame picture that a data message receiving thread receives.
The test method of video delay in video conference provided in an embodiment of the present invention, show at the same time play and pause
In the case of, it is exactly the delay of video pictures that the first video, which shows that picture and the second video show the time difference of picture,；Therefore,
By sending while suspending simultaneously, the reliability of delay test is improved.
With reference to first aspect, first aspect first embodiment, first aspect second embodiment or first aspect third
Embodiment, it is described to obtain the first data message to be tested and the second number to be tested in the 4th embodiment of first aspect
According to message, comprising:
Obtain presupposed information；The presupposed information includes logical corresponding to the decoding channels number of the source terminal, media handling
Taoist monastic name, IP and port numbers；
Media file is extracted using the decoding channels number of the source terminal, media handling channel number；The media file is used
In preservation video data；
IP and port numbers based on the source terminal analyze the media file, to obtain first video
Data and second data message to be tested.
According to second aspect, the embodiment of the invention also provides a kind of test method of video delay in video conference, packets
It includes:
Receive the instruction of video delay test；Wherein, the delay test instruction includes the decoding channels corresponding to source terminal
Number and media handling channel number；
It is decoded and adds timestamp, to the video code flow of the decoding channels number to obtain the first video data；
Media handling is carried out to the decoded video code flow of the media handling channel number, to obtain to be tested the
Two data messages；Wherein, second data message to be tested is marked with the time.
The test method of video delay in video conference provided in an embodiment of the present invention, by be tested to what is received
Upper timestamp is added when first data message is decoded, which is corresponding timestamp when multipoint control unit decodes；
In addition, multipoint control unit addition upper time label when carrying out media handling to decoded video data, time label
Corresponding time when for multipoint control unit media handling, by can be avoided data message based on timestamp and time label
Caused delay is transmitted in a network；The subsequent delay obtained to data message progress delay test is multiparty control
Delay caused by the media handling of unit, reliability with higher.
In conjunction with second aspect, in second aspect first embodiment, further includes:
Create media file；Wherein, the media file is for saving video code flow；
First video data and second data message to be tested are respectively written into the media file；
Judge whether delay test terminates；
At the end of delay test, judge whether count value is preset value；Wherein, the count value is for indicating the matchmaker
The write state of body file；
When the count value is the preset value, the media file is closed.
The test method of video delay in video conference provided in an embodiment of the present invention, using count value to media file
Closing synchronizes processing, since coding and media handling are under the jurisdiction of different threads, can be avoided elder generation after synchronization process
The thread of end closes the collapse of thread behind caused by media file, improves the reliability of delay test.
According to the third aspect, the embodiment of the invention also provides a kind of test devices of video delay in video conference, answer
With in test equipment, comprising:
Module is obtained, the first view being decoded for obtaining multipoint control unit to the first data message to be tested
Frequency accordingly and with the time label the second data message to be tested；Wherein, first data message to be tested is that source is whole
End is sent to the data message of multipoint control unit, when carrying multipoint control unit decoding in first video data
The timestamp of addition；Second data message to be tested is the multipoint control unit to first data message to be tested
The video data obtained after decoding carries out the data message obtained after media handling；
Data message decoder module obtains the second video counts for being decoded to second data message to be tested
It is marked according to the time；
Be delayed computing module, for based on first video data timestamp and second video data it is corresponding
Time marks the delay that the multipoint control unit is calculated.
The test device of video delay in video conference provided in an embodiment of the present invention, it is source that the first data to be tested, which are surrounded,
Terminal is sent to the data message of multipoint control unit, multipoint control unit to the first data message to be tested received into
Upper timestamp is added when row decoding, which is corresponding timestamp when multipoint control unit decodes；In addition, multiparty control list
Member addition upper time label, the time when carrying out media handling to decoded video data are labeled as multipoint control unit matchmaker
Corresponding time when body processing is transmitted in a network by can be avoided data message based on timestamp and time label and is led
The delay of cause；Carrying out the delay that delay test is obtained to the data message is caused by the media handling of multipoint control unit
Delay, reliability with higher.
According to fourth aspect, the embodiment of the invention also provides a kind of test devices of video delay in video conference, answer
For in multipoint control unit, comprising:
Receiving module, for receiving the instruction of video delay test；Wherein, the delay test instruction includes corresponding to source end
The decoding channels number and media handling channel number at end；
Video code flow decoder module is decoded for the video code flow to the decoding channels number and adds timestamp,
To obtain the first video data；
Medium process module carries out at media for the decoded video code flow to the media handling channel number
Reason, to obtain the second data message to be tested；Wherein, second data message to be tested is marked with the time.
The test device of video delay in video conference provided in an embodiment of the present invention, by be tested to what is received
Upper timestamp is added when first data message is decoded, which is corresponding timestamp when multipoint control unit decodes；
In addition, multipoint control unit addition upper time label when carrying out media handling to decoded video data, time label
Corresponding time when for multipoint control unit media handling, by can be avoided data message based on timestamp and time label
Caused delay is transmitted in a network；The subsequent delay obtained to data message progress delay test is multiparty control
Delay caused by the media handling of unit, reliability with higher.
According to the 5th aspect, the embodiment of the invention also provides a kind of electronic equipment, comprising:
Memory and processor communicate with each other connection, deposit in the memory between the memory and the processor
Computer instruction is contained, the processor is by executing the computer instruction, thereby executing first aspect present invention or first
The test method or second aspect of the present invention of video delay in video conference described in any one of aspect embodiment or
The test method of video delay in video conference described in any one of two aspects embodiment.
According to the 6th aspect, the embodiment of the invention also provides a kind of computer readable storage medium, the computer can
It reads storage medium and is stored with computer instruction, the computer instruction is used to that the computer to be made to execute first aspect present invention,
Or the test method of video delay in video conference described in any one of first aspect embodiment, or second party of the present invention
The test method of video delay in video conference described in the embodiment of any one of face or second aspect.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the structure chart of video conferencing system in the embodiment of the present invention；
Fig. 2 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention；
Fig. 3 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention；
Fig. 4 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention；
Fig. 5 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention；
Fig. 6 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention；
Fig. 7 is the structural block diagram of the test device of video delay in video conference according to an embodiment of the present invention；
Fig. 8 is the structural block diagram of the test device of video delay in video conference according to an embodiment of the present invention；
Fig. 9 is the hardware structural diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As shown in Figure 1, being the application scenarios schematic diagram of the embodiment of the present invention.It include several ends in video conferencing system
End and multipoint control unit；Wherein, conference terminal will be sent to multipoint control unit after the video data encoding of acquisition, more
Point control unit receives the data that each terminal is sent, and is then forwarded to each terminal after carrying out media handling after decoding.
Specifically, conference terminal is sent to multipoint control unit after video data encoding to collecting, and receives multiple spot
The data that control unit is sent play after need to being decoded；In addition, multipoint control unit receive terminal transmission data it
Afterwards, it is necessary first to be decoded to obtain after specific data carry out media handling again and be sent to each terminal.Therefore, in multiparty control
Unit side, corresponding to each terminal has decoding channels and media handling channel (each decoding channels, which have, uniquely to be solved
Code channel number, each media handling channel have unique media handling channel number), wherein decoding channels can be used for transmitting end
Data after the coding of end, media handling channel is used for transmission data of the multipoint control unit after media handling；That is, multiple spot control
Unit processed, which corresponds to each terminal, may have decoder and Media Processor.
For example, corresponding to terminal 1 incorporated by reference to Fig. 1, multipoint control unit side has decoding channels and media handling logical
Road, corresponding, decoding channels number 1, media handling channel number a；Corresponding to terminal 2, multipoint control unit side has decoding logical
Road and media handling channel, corresponding, decoding channels number 2, media handling channel number b ... ....
In addition, the test method of video delay in video conference provided in an embodiment of the present invention, it can be in video conference
It is tested during carrying out, is also possible to be tested offline.That is, the test method of video delay has no effect on video conference
Progress, when being tested in the progress in video conference, multipoint control unit on the one hand to each terminal send data
Each terminal is sent to after being handled；On the other hand it is based on actual test demand, is saved excessive corresponding to the warp of some terminal
The data message of point control unit before and after the processing, with the test being delayed for video.Wherein, the subsequent test to video delay can
Being carried out in multipoint control unit, it is also possible to carry out in other test equipments.
According to embodiments of the present invention, a kind of test method embodiment of video delay in video conference is provided, is needed
Bright, step shown in the flowchart of the accompanying drawings can be held in a computer system such as a set of computer executable instructions
Row, although also, logical order is shown in flow charts, and it in some cases, can be to be different from sequence herein
Execute shown or described step.
A kind of test method of video delay in video conference is provided in the present embodiment, can be used in test equipment,
Fig. 2 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention, as shown in Fig. 2, the process
Include the following steps:
S11, obtain multipoint control unit the first video data that the first data message to be tested is decoded with
And the second data message to be tested with time label.
Wherein, first data message to be tested is the data message that source terminal is sent to multipoint control unit, described
The timestamp added when multipoint control unit decoding is carried in first video data.Second data message to be tested is more
Point control unit carries out the datagram obtained after media handling to the video data obtained after the first data message to be tested decoding
Text.
Specifically, when needing to carry out video delay test, data message is sent to multipoint control unit by conference terminal,
Multipoint control unit decodes data message, and adds upper timestamp in decoding for every frame video image in data message；
The first video data is obtained that is, decoding and adding timestamp.Multipoint control unit again carries out the video data obtained after decoding
Conference terminal is sent to after media handling, wherein when multipoint control unit is added in media handling for every frame video image
Between mark；I.e. media handling and addition the time mark to obtain the second pending data message.
The timestamp and time label are present in picture material, and subsequent video is facilitated to show that the broadcasting of picture is aobvious
It can be shown in video when showing and show corresponding timestamp and time label on picture, form What You See Is What You Get.The timestamp
Or time label can be the image that stopwatch program is acquired by camera, such as OnlyStopWatch；Can also decoding or
It is superimposed in temporal information to image when media handling, such as obtains current local time and yuv data etc. is generated by cario again.
Wherein, the time schedule for acquiring and being superimposed generally is accurate to millisecond.
Wherein, the first video data acquired in test equipment and the second data message to be tested can be real-time acquisition
The data message arrived is also possible to that the first video data and the second data message to be tested are first saved as media file shape
Formula, when needing to carry out delay test, test equipment obtains the first video data and the second number to be tested from media file
According to message；Be also possible to other modes etc., only need to guarantee test equipment can get the first video data and to
Test the second data message.
S12 is decoded the second data message to be tested, obtains the second video data and time label.
Multipoint control unit is sent to conference terminal after media handling completion, is sent to meeting from media handling channel
It is obtained after the data message coding of terminal.It is just available therefore, it is necessary to be decoded to the second data message to be tested
Second video data and time label.
Multiple spot is calculated in S13, the corresponding time label of timestamp and the second video data based on the first video data
The delay of control unit.
Wherein, every in the second video data all there are timestamp on every frame video image in the first video data
All there is having time label on frame video image, it can be by being matched to phase in the first video data and the second video data
Multiparty control can be obtained then by comparing timestamp and time label on identical video image in same video image
The delay of unit；Or the first video data and the second video data are played while suspended simultaneously, pass through what is obtained after pause
First video shows that the timestamp of picture and the second video show the time label of picture, and multipoint control unit can be obtained
Delay.Wherein, it can be extraction time stamp for the calculating of delay to be compared with time label, be also possible to directly pass through people
Eye is compared etc..
In the case where showing broadcasting at the same time, the first video shows that picture and the second video show the temporal information of picture
Difference (time difference of timestamp and time label) is video pictures delay.For example, the first video shows the timestamp in picture A
It is 100, the second video shows that the time in picture B is labeled as 110, and the difference that the timestamp and time mark is video pictures
Delay.
The test method of video delay in video conference provided in this embodiment, wherein the first data to be tested, which are surrounded, is
Source terminal is sent to the data message of multipoint control unit, and multipoint control unit is to the first data message to be tested received
Upper timestamp is added when being decoded, which is corresponding timestamp when multipoint control unit decodes；In addition, multiparty control
Unit addition upper time label, the time when carrying out media handling to decoded video data are labeled as multipoint control unit
Corresponding time when media handling, by can be avoided data message based on timestamp and time label and transmit institute in a network
Caused delay；The media handling that the delay that delay test is obtained is multipoint control unit is carried out to the data message to be led
The delay of cause, reliability with higher.
A kind of test method of video delay in video conference is additionally provided in the present embodiment, can be used for test equipment
In, Fig. 3 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention, as shown in figure 3, the stream
Journey includes the following steps:
S21, obtain multipoint control unit the first video data that the first data message to be tested is decoded with
And the second data message to be tested with time label.
Wherein, first data message to be tested is the data message that source terminal is sent to multipoint control unit, described
The timestamp added when multipoint control unit decoding is carried in first video data.Second data message to be tested is more
Point control unit carries out the datagram obtained after media handling to the video data obtained after the first data message to be tested decoding
Text.
The S11 of embodiment illustrated in fig. 2 is referred to, details are not described herein.
S22 is decoded the second data message to be tested, obtains the second video data and time label.It please join in detail
The S12 of embodiment as shown in Figure 2, details are not described herein.
Multiple spot is calculated in S23, the corresponding time label of timestamp and the second video data based on the first video data
The delay of control unit.
Using the method for playing random pause simultaneously simultaneously, the delay of multipoint control unit is calculated.
Specifically, comprising:
S231 is started simultaneously at and is played the first video data and the second video data.
It starts simultaneously at and plays the first video data and the second video data, i.e., can show and correspond in a test device
First video image of the first video data, and the second video image corresponding to the second video data.For example, test equipment
It can be also possible to obtain corresponding first video image and second by coding display program by means of video jukebox software
Video image.
Test equipment is utilized respectively two data messages and sends thread and two data receiving threads, with the first video counts
Video accordingly and in the second video data shows picture.That is, in test equipment, while to the first video data and second
Video data is operated: being sent, receives and is shown, so that it may be compared visual video and be shown picture.
It is alternatively possible to include the following steps:
(1) play instruction is received.
Test equipment receives the play instruction that sends by shell script, in order to the first video data of transmission simultaneously and
Second video data.
(2) thread is sent using two data messages simultaneously send the first video data and second video counts respectively
According to.
Test equipment utilizes two data messages to send thread simultaneously and sends the first video data and described second respectively
Video data；Wherein, since play instruction is sent by shell script, it can guarantee that data message to be tested is to send out simultaneously
It send.Due to sending simultaneously, the subsequent same frame data of judgement that can be more accurate pass through by multipoint control unit
Time change before and after media handling.
For example, data message, which sends thread, can be the video data transmission program for corresponding to and writing, i.e. test equipment makes
Program is sent with shell script control video data, while sending video data.
(3) the first video data and second video data are received respectively using two data message receiving threads,
To obtain the first video image and the second video image.
Wherein, the data message receiving thread of test equipment can be data message corresponding with data message transmission program
Receive program.Test equipment controls two data messages using shell script and sends program, while sending data message to be tested
Program is received to above-mentioned two data message, to obtain the first video image and the second video image；I.e. in test equipment
The first video image and the second video image are shown simultaneously.
S232, the random broadcasting for suspending the first video data and the second video data simultaneously, to obtain the first video data
Corresponding first video shows that picture and corresponding second video of the second video data show picture.
Test equipment suspends the first video image and the second video image simultaneously at random, then the view in test equipment
Frequency image can stop at the first video and show that picture and the second video show picture.Wherein, the first video shows that picture is corresponding
In the first video image, the second video shows that picture corresponds to the second video image.
It is alternatively possible to include the following steps:
(1) pause instruction is received.
(2) two data messages of pause send thread simultaneously.
Wherein, described two data message receiving threads show that the last frame picture received is respectively that the first video is shown
Picture and the second video show picture.
Test equipment controls two data messages using shell script and sends thread to data receiver thread transmission video counts
Send threads according to, two data messages and suspend transmission video data simultaneously, data message receiving thread show it is received last
Frame picture is respectively that the first video shows that picture and the second video show picture；Show that there is the time on picture in the first video
Stamp and the second video, which are shown on picture, has time label.
S233 shows that the timestamp of picture and the second video show the time label on picture, meter based on the first video
Evaluation time is poor.
Wherein, the time difference is the delay of multipoint control unit MCU.The first video data of random pause and the simultaneously
Two video datas respectively obtain corresponding first video and show that picture and the second video show picture, show in the first video
There is timestamp on picture, show on picture that there is time label in the second video, be by reduced time stamp and time label
The time difference can be obtained.
Compared with embodiment illustrated in fig. 2, the test method of video delay in video conference provided in this embodiment, by same
When play and suspend the first video data and the second video data simultaneously, ensure that two video datas play the unifications with stopping,
Improve the reliability of video delay test.
As a kind of optional embodiment of the present embodiment, plays while can carrying out multiple and suspends simultaneously at random,
It to obtain multiple video delays, then is averaged to the delay of multiple videos, the average value of video delay can be obtained, improve view
The reliability of frequency delay.
A kind of test method of video delay in video conference is additionally provided in the present embodiment, can be used for test equipment
In, Fig. 4 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention, as shown in figure 4, the stream
Journey includes the following steps:
S31, obtain multipoint control unit the first video data that the first data message to be tested is decoded with
And the second data message to be tested with time label.
Wherein, first data message to be tested is the data message that source terminal is sent to multipoint control unit, described
The timestamp added when multipoint control unit decoding is carried in first video data.Second data message to be tested is more
Point control unit carries out the datagram obtained after media handling to the video data obtained after the first data message to be tested decoding
Text.
Specifically, when delay test, test equipment using the decoding channels number of source terminal, media handling channel number, IP with
And port numbers, the first video data and the second data message to be tested are analyzed from media file.Specifically, including it is following
Step:
S311 obtains presupposed information.
Wherein, the presupposed information includes decoding channels number, media handling channel number, IP and the end corresponding to source terminal
Slogan.
Specifically, test equipment can be through the information in video conference, obtain respectively source terminal decoding channels number,
Media handling channel number, IP and port numbers.Follow-up test equipment utilization IP and port numbers can get from media file
One video data and the second data message to be tested.
S312 extracts media file using the decoding channels number of source terminal, media handling channel number.
Wherein, the media file is for saving video code flow.Specifically, in delay test, multipoint control unit point
The video code flow before and after media handling is not stored in media file.The name of media file can using decoding channels number,
Coding pass number and at that time time, in order to distinguish different time and end message when delay test.Therefore, source end is utilized
The decoding channels number and media handling channel number at end can extract corresponding media file.
S313, IP and port numbers based on source terminal analyze media file, with obtain the first video data with
And the second data message to be tested.
Test equipment carries out parsing filtering to media file, can be obtained using the information (IP and port numbers) got
First video data and the second data message to be tested.Wherein, the first video data is multipoint control unit decoding and adds
The video data of upper timestamp, the second data message to be tested are by multipoint control unit media handling (for example, decoding again
Composite coding) after data.
S32 is decoded the second data message to be tested, obtains the second video data and time label.It please join in detail
The S22 of embodiment as shown in Figure 3, details are not described herein.
Multiple spot is calculated in S33, the corresponding time label of timestamp and the second video data based on the first video data
The delay of control unit.The S23 of embodiment illustrated in fig. 3 is referred to, details are not described herein.
Compared with embodiment illustrated in fig. 3, the test method of video delay in video conference provided in this embodiment passes through benefit
Media file is analyzed with the information of conference terminal, can be obtained not by the of the media handling of multipoint control unit
One video data, and the second data message to be tested after the media handling of multipoint control unit improve delay and survey
The efficiency of examination.
As a kind of specific application example of the present embodiment, the test of video delay in video conference is present embodiments provided
Method includes the following steps:
(1) using the information in meeting, the first conference terminal (source terminal) and the second conference terminal (purpose are obtained respectively
Terminal) IP and port.
(2) according to IP and port information, parsing filtering is carried out to media file, is respectively obtained from source terminal multiparty control list
The data message that member sends the source terminal that receives be decoded and add obtain after timestamp the first video data S with it is more
Point control unit carries out the second data message D to be tested obtained after media handling to decoded video data.It is showing jointly
In the case where showing broadcasting, S and D show that the temporal information of picture is poor, are exactly video pictures delay.
(3) in test equipment, open two data messages send tools be respectively set different port Port1 and
Port2 (because being in same test equipment, the IP sent and received is the same), for sending message data S
With message data D.
(4) in test equipment, two data messages is opened and receive tool, above-mentioned different port Port1 is respectively set
And Port2, for receiving message data S and message data D, and it is decoded display, video image is showed.Same
The purpose operated in test equipment is to try to reduce interference of the network cause for test result.Wherein, data message sends work
The major function of tool is to transmit data to specified IP and port by setting IP and port.
(5) above-mentioned two data message is controlled using shell script and send tool, while sending S-video message data and D
Video message data receive tool to above-mentioned two data message, show video pictures.The step for key be Script controlling
It sends simultaneously, because only that sending simultaneously, the same frame data of judgement that can be more accurate are by multipoint control unit
Manage the time change of front and back.Wherein, data message, which receives the major function of tool, is received specific by setting IP and port
Data message, and display is decoded to data message and is played.Data message send tool and receive tool form one can be with
To the system of data message visual analyzing.It is operated in same test equipment, while to two data messages: send,
It receives and shows, then can compare visual video pictures.
(6) random pause, comparison video shows picture, acquisition time information, and calculates the time difference.Two send datagram
The tool of text suspends transmission data simultaneously, and the tool for receiving data message shows the last frame picture received, compares two views
The time difference of frequency picture is exactly video pictures delay.
A kind of test method of video delay in video conference is provided in the present embodiment, can be used for multipoint control unit
In, Fig. 5 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention, as shown in figure 5, the stream
Journey includes the following steps:
S41 receives the instruction of video delay test.
Wherein, the delay test instruction includes the decoding channels number and media handling channel number corresponding to conference terminal.
Multipoint control unit can open individual thread simultaneously and survey for receiving video delay when video conference starts
Examination instruction.On the one hand multipoint control unit is waiting video delay test to be received to instruct, be on the other hand decoded.Wherein, prolong
When test instruction may include decoding channels A and media handling channel number B corresponding to conference terminal, in order to distinguish
Different conference terminals.It optionally, can also include to save duration T etc. in delay test instruction.
S42 is decoded to the video code flow of decoding channels number and adds timestamp, to obtain the first video data.
Media processing units are decoded to it and add upper timestamp after the data message for receiving terminal transmission,
The first video data can be obtained.
S43 carries out media handling to the decoded video code flow of media handling channel number, to obtain the second number to be tested
According to message.
Wherein, second data message to be tested is marked with the time.Media processing units are to the view obtained after decoding
The second data message to be tested can be obtained according to media handling and addition time label is carried out in frequency.
Obtained first video data and the second data message to be tested can be used for the survey of subsequent video delay
Examination.
The test method of video delay in video conference provided in this embodiment, by to be tested first received
Upper timestamp is added when data message is decoded, which is corresponding timestamp when multipoint control unit decodes；In addition,
Multipoint control unit addition upper time label, the time when carrying out media handling to decoded video data are labeled as multiple spot
Corresponding time when control unit media handling, by can be avoided data message in network based on timestamp and time label
Delay caused by middle transmission；The subsequent delay obtained to data message progress delay test is multipoint control unit
Delay caused by media handling, reliability with higher.
A kind of test method of video delay in video conference is provided in the present embodiment, can be used for multipoint control unit
In, Fig. 6 is the flow chart of the test method of video delay in video conference according to an embodiment of the present invention, as shown in fig. 6, the stream
Journey includes the following steps:
S51 receives the instruction of video delay test.
Wherein, the delay test instruction includes the decoding channels number and media handling channel number corresponding to conference terminal.
The S41 of embodiment illustrated in fig. 5 is referred to, details are not described herein.
S52 is decoded to the video code flow of decoding channels number and adds timestamp, to obtain the first video data.In detail
The S42 of thin embodiment shown in Figure 5, details are not described herein.
S53 carries out media handling to the decoded video code flow of media handling channel number, to obtain the second number to be tested
According to message.
Wherein, second data message to be tested is marked with the time.The S43 of embodiment illustrated in fig. 5 is referred to,
Details are not described herein.
S54 creates media file.
Wherein, the media file is for saving video code flow.Multipoint control unit is when needing to carry out delay test, wound
Build the media file for saving video code flow, such as asf file.The name of the media file can take decoding channels number,
Media handling channel number and current time are named.
First video data and the second data message to be tested are respectively written into media file by S55.
Multipoint control unit will correspond to decoding channels number and media handling channel number after creating media file
Video code flow (that is, the first video data and second data message to be tested) is respectively written into media file.Wherein, optionally,
Multipoint control unit can save key frame, in order to rapidly play out when playing；Meanwhile in order to guarantee that key frame is fast
Speed reaches, and needs to remove application key frame in write-in.
S56, judges whether delay test terminates.
Whether multipoint control unit terminates in real-time judge delay test, for example, including to protect in delay test instruction
It when depositing duration, can be judged by comparing preservation duration, indicate that write-in terminates if the time saved is more than；It is also possible to lead to
It crosses and judges whether to receive test END instruction to judge whether delay test terminates.Wherein, it at the end of delay test, executes
S57；Otherwise, S55 is executed.
S57 judges whether count value is preset value.
Wherein, the count value is used to indicate the write state of the media file.Specifically, at due to coding and media
Reason is under the jurisdiction of different threads, while operating to file, while closing to file, and asf can be automatic when operation is written
It synchronizes, but closes and need oneself to synchronize processing, otherwise will lead to after the thread closing file of end first subsequent
Thread collapse.Therefore, it opens simultaneously count value count according to the number of stream in media file and adds one, for example a stream is write
Enter for count=1, two streams are written as count=2；It carries out counting when closing and subtracts one, first subtract counting when closing file, such as
It is counted as count=2 at this time, it is count=1 that decoding, which closes counting to subtract one, judge that count is not 0 at this time, i.e. initial value,
So be not turned off file, behind media handling terminate to be closed, first count subtract first count=0, then judgement discovery
File is just really closed after count=0, i.e. distributing operation system interface is closed.Therefore, only when count value is preset value,
Just indicate that media file can close.When count value is preset value, S58 is executed；After otherwise waiting for preset time, execute again
S57。
S58 closes media file.
Multipoint control unit closes media file, and the first video data and to be tested the are then preserved in media file
Two data messages can be used for subsequent video delay test.
Compared with embodiment illustrated in fig. 5, the test method of video delay in video conference provided in this embodiment utilizes meter
Numerical value synchronizes processing to the closing of media file, since coding and media handling are under the jurisdiction of different threads, by synchronization
The thread that can be avoided end first after processing closes the collapse of thread behind caused by media file, improves delay test
Reliability.
As a specific application example of the present embodiment, the test method of the video delay in video conference, including with
Lower step:
(1) video conference is opened, and meeting is added in terminal MTX, and multipoint control unit carries out the media handlings such as picture synthesis
Conventional func, terminal MTX is in picture synthesis.
(2) terminal MTX sends video data to multipoint control unit.
(3) multipoint control unit is ready for handling (8) in next step after decrypting the video data received.
(4) multipoint control unit opens individual threads and waits the order of video delay test simultaneously.
(5) multipoint control unit judges whether to have received test command, and no on the one hand words continue waiting for delay test
Order, is on the one hand decoded, and executes (6) if being, the test command received may include the corresponding decoding channels of terminal MTX
Number A, media handling channel number B save duration T etc..Wherein, conference terminal can pass through the management letter of meeting in the information of platform
Breath is got.
(6) multipoint control unit creates the media file such as asf file for saving media, and decoding channels are taken in name
Number, coding pass number and at that time time are named, and different time and end message are distinguished when facilitating statistics.Multimedia list
Member adds timestamp when being decoded, which is present in picture material, convenient after saving into media playback
Display is played out, What You See Is What You Get is formed.The image that this timestamp can acquire stopwatch program by camera obtains such as
Common OnlyStopWatch can also lead in superposition temporal information to image as obtained current local time again in coding
It crosses cario and generates yuv data etc., acquisition and the time precision being superimposed generally are accurate to millisecond.
(7) it notifies to carry out data corresponding to the coding pass of terminal MTX and media handling channel in multipoint control unit
Preservation, execute (8) and (13).
(8) whether judgement currently needs to carry out delay test and file is written, and delay command of the judgement from (4) is supervised
Sight journey；It can generally be judged by the way that flag bit such as bIsWrite=TRUE is arranged.
(9) needing to be written file, then multipoint control unit generates local time stamp, and local time stamp generally passes through calling system
Function of uniting obtains, as media text is written from linux acquisition local zone time, and by timestamp and decoded data in gettimeofday
Part, to form the first video data (that is, stream A).In addition, in order to be rapidly performed by broadcasting when playing, generally in key frame
It is saved when coming.Simultaneously in order to guarantee that key frame quickly reaches, need to remove application key frame in write-in.It has been achieved fast
Speed obtains key frame.
(10) judge whether delay test terminates, compare preservation duration T incoming before usually to judge, if save
Duration is more than then to indicate that write-in terminates.
(11) delay test terminates to close file, removes related status information, such as write-in flag bit, duration etc..
(12) no matter whether delay test is opened or terminates all to enter the step, executes decoding, synthesis, the matchmakers such as coding
Gymnastics is made, and guarantees normal conferencing function.
(13) end-of-encode also needs to judge whether in delay test, and Rule of judgment is the same as (8).
(14) needing to be written file, then multipoint control unit generates time label, and will be after time label and media handling
Media file is written in data, to form the second data message to be tested (that is, stream B), while going on smoothly to play, directly compiles
One frame key frame of code is saved.
(15) judge the reason of whether delay test terminates, judge with (10).
(16) delay test terminates to close file, equally removes related status information with (11).At coding and media
Reason is under the jurisdiction of different threads, while operating to file, while closing to file, and asf can be automatic when operation is written
It synchronizes, but closes and need oneself to synchronize processing, otherwise will lead to after the thread closing file of end first subsequent
Thread collapse.Simultaneously count value count according to the number of stream in File Open and add one, for example a stream is written as count
=1, two streams are written as count=2, and when closing, which count, subtracts one, first subtract counting when closing file, for example be counted as at this time
Count=2, it is count=1 that decoding, which closes counting to subtract one, judges that count is not 0 at this time, i.e. initial value.So and it is not related to
Closed file, behind end-of-encode closed, first count and subtract first count=0, then just real after judgement discovery count=0
File is closed, i.e. distributing operation system interface is closed.
(17) no matter data after all sending media handling are opened or terminated to delay test whether is protected to corresponding terminal
Card meeting is normally carried out.
So far, media file is preserved in multipoint control unit, which includes the first video data (that is, stream
) and the second data message to be tested (that is, stream B) A.
A kind of test device of video delay in video conference is additionally provided in the present embodiment, and the device is for realizing upper
Embodiment and preferred embodiment are stated, the descriptions that have already been made will not be repeated.As used below, term " module " can be with
Realize the combination of the software and/or hardware of predetermined function.Although device described in following embodiment is preferably come with software real
It is existing, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
The present embodiment provides a kind of test devices of video delay in video conference, are applied in test equipment, such as Fig. 7 institute
Show, comprising:
Obtain module 61, first be decoded for obtaining multipoint control unit to the first data message to be tested
Video data and the second data message to be tested marked with the time；Wherein, first data message to be tested is source
Terminal is sent to the data message of multipoint control unit, and the multipoint control unit decoding is carried in first video data
The timestamp of Shi Tianjia；Second data message to be tested is the multipoint control unit to first datagram to be tested
The video data obtained after text decoding carries out the data message obtained after media handling.
Data message decoder module 62 obtains the second video for being decoded to second data message to be tested
Data and time label.
Be delayed computing module 63, for timestamp and second video data correspondence based on first video data
Time label the delay of the multipoint control unit is calculated.
The test device of video delay in video conference provided in this embodiment, it is source terminal that the first data to be tested, which are surrounded,
It is sent to the data message of multipoint control unit, multipoint control unit is solved to the first data message to be tested received
Upper timestamp is added when code, which is corresponding timestamp when multipoint control unit decodes；In addition, multipoint control unit exists
The addition upper time marks when carrying out media handling to decoded video data, and the time is labeled as at multipoint control unit media
Corresponding time when reason, by based on timestamp and time label can be avoided data message transmit in a network it is caused
Delay；Carrying out the delay that delay test is obtained to the data message is to prolong caused by the media handling of multipoint control unit
When, reliability with higher.
The present embodiment also provides a kind of test device of video delay in video conference, is applied in multipoint control unit,
As shown in Figure 8, comprising:
Receiving module 71, for receiving the instruction of video delay test；Wherein, the delay test instruction includes corresponding to source
The decoding channels number and media handling channel number of terminal；
Video code flow decoder module 72 is decoded for the video code flow to the decoding channels number and adds the time
Stamp, to obtain the first video data；
Medium process module 73 carries out media for the decoded video code flow to the media handling channel number
Processing, to obtain the second data message to be tested；Wherein, second data message to be tested is marked with the time.
The test device of video delay in video conference provided in an embodiment of the present invention, by be tested to what is received
Upper timestamp is added when first data message is decoded, which is corresponding timestamp when multipoint control unit decodes；
In addition, multipoint control unit addition upper time label when carrying out media handling to decoded video data, time label
Corresponding time when for multipoint control unit media handling, by can be avoided data message based on timestamp and time label
Caused delay is transmitted in a network；The subsequent delay obtained to data message progress delay test is multiparty control
Delay caused by the media handling of unit, reliability with higher.
The test device of video delay in video conference in the present embodiment is presented in the form of functional unit, here
Unit refer to ASIC circuit, execute one or more softwares or fixed routine processor and memory and/or other can be with
The device of above-mentioned function is provided.
The further function description of above-mentioned modules is identical as above-mentioned corresponding embodiment, and details are not described herein.
The embodiment of the present invention also provides a kind of electronic equipment, and there is video in above-mentioned Fig. 7 or video conference shown in Fig. 8 to prolong
When test device.
Referring to Fig. 9, Fig. 9 is the structural schematic diagram for a kind of electronic equipment that alternative embodiment of the present invention provides, such as Fig. 9 institute
Show, which may include: at least one processor 81, such as CPU (Central Processing Unit, centre
Manage device), at least one communication interface 83, memory 84, at least one communication bus 82.Wherein, communication bus 82 for realizing
Connection communication between these components.Wherein, communication interface 83 may include display screen (Display), keyboard (Keyboard),
Optional communication interface 83 can also include standard wireline interface and wireless interface.Memory 84 can be high speed RAM memory
(Random Access Memory, effumability random access memory), is also possible to non-labile memory (non-
Volatile memory), a for example, at least magnetic disk storage.It is remote that memory 84 optionally can also be that at least one is located at
Storage device from aforementioned processor 81.Wherein processor 81 can be in conjunction with device described in Fig. 7 or Fig. 8, in memory 84
Application program is stored, and processor 81 calls the program code stored in memory 84, for executing any of the above-described method step
Suddenly.
Wherein, communication bus 82 can be Peripheral Component Interconnect standard (peripheral component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (extended industry standard
Architecture, abbreviation EISA) bus etc..Communication bus 82 can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in Fig. 9, it is not intended that an only bus or a type of bus convenient for indicating.
Wherein, memory 84 may include volatile memory (English: volatile memory), such as arbitrary access
Memory (English: random-access memory, abbreviation: RAM)；Memory also may include nonvolatile memory (English
Text: non-volatile memory), for example, flash memory (English: flash memory), hard disk (English: hard
Disk drive, abbreviation: HDD) or solid state hard disk (English: solid-state drive, abbreviation: SSD)；Memory 84 may be used also
With include mentioned kind memory combination.
Wherein, processor 81 can be central processing unit (English: central processing unit, abbreviation: CPU),
The combination of network processing unit (English: network processor, abbreviation: NP) or CPU and NP.
Wherein, processor 81 can further include hardware chip.Above-mentioned hardware chip can be specific integrated circuit
(English: application-specific integrated circuit, abbreviation: ASIC), programmable logic device (English
Text: programmable logic device, abbreviation: PLD) or combinations thereof.Above-mentioned PLD can be complicated programmable logic device
Part (English: complex programmable logic device, abbreviation: CPLD), field programmable gate array (English
Text: field-programmable gate array, abbreviation: FPGA), Universal Array Logic (English: genericarray
Logic, abbreviation: GAL) or any combination thereof.
Optionally, memory 84 is also used to store program instruction.Processor 81 can be instructed with caller, realize such as this Shen
It please be shown in the test method or Fig. 4 or Fig. 5 embodiment of video delay in video conference shown in Fig. 1 to Fig. 3 embodiment
The test method of video delay in video conference.
The embodiment of the invention also provides a kind of non-transient computer storage medium, the computer storage medium is stored with
Video in the video conference in above-mentioned any means embodiment can be performed in computer executable instructions, the computer executable instructions
The test method of delay.Wherein, the storage medium can be magnetic disk, CD, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), flash memory (Flash
Memory), hard disk (Hard Disk Drive, abbreviation: HDD) or solid state hard disk (Solid-State Drive, SSD) etc.；Institute
State the combination that storage medium can also include the memory of mentioned kind.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where make various modifications and variations, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (10)
1. a kind of test method of video delay in video conference characterized by comprising
When obtaining the first video data that multipoint control unit is decoded the first data message to be tested and having
Between the second data message to be tested for marking；Wherein, first data message to be tested is that source terminal is sent to multiparty control
The data message of unit carries the timestamp added when multipoint control unit decoding in first video data；Institute
Stating the second data message to be tested is the multipoint control unit to the view obtained after the first data message decoding to be tested
Frequency is according to the data message obtain after media handling；
Second data message to be tested is decoded, the second video data and time label are obtained；
The corresponding time label of timestamp and second video data based on first video data is calculated described
The delay of multipoint control unit.
2. the method according to claim 1, wherein the timestamp and institute based on first video data
State the delay that the multipoint control unit is calculated in the corresponding time label of the second video data, comprising:
It starts simultaneously at and plays first video data and second video data；
The random broadcasting for suspending first video data and second video data simultaneously, to obtain first video counts
Show that picture and corresponding second video of second video data show picture according to corresponding first video；
It shows that the timestamp of picture and the second video show the time label on picture based on first video, calculates
Time difference；The time difference is the delay of the multipoint control unit.
3. according to the method described in claim 2, it is characterized in that, described start simultaneously at plays first video data and institute
State the second video data, comprising:
Receive play instruction；
Thread, which is sent, using two data messages simultaneously sends first video data and second video data respectively；
First video data and second video data are received respectively using two data message receiving threads, with
To the first video image and the second video image.
4. according to the method described in claim 3, it is characterized in that, described suspend first video data and institute simultaneously at random
State the second video data, comprising:
Receive pause instruction；
Suspend described two data messages simultaneously and send thread, shows picture and second view to obtain first video
Frequency display picture；Wherein, first video shows that picture and second video show that picture is respectively described two numbers
The last frame picture received according to message receiving thread.
5. method according to any of claims 1-4, which is characterized in that the acquisition multipoint control unit is treated
Test the first video data that the first data message is decoded and the second datagram to be tested with time label
Text, comprising:
Obtain presupposed information；The presupposed information include corresponding to the decoding channels number of the source terminal, media handling channel number,
IP and port numbers；
Media file is extracted using the decoding channels number of the source terminal, media handling channel number；The media file is for protecting
Deposit video data；
IP and port numbers based on the source terminal analyze the media file, to obtain first video data
And second data message to be tested.
6. a kind of test method of video delay in video conference characterized by comprising
Receive the instruction of video delay test；Wherein, delay test instruction include corresponding to source terminal decoding channels number and
Media handling channel number；
It is decoded and adds timestamp, to the video code flow of the decoding channels number to obtain the first video data；
Media handling is carried out to the decoded video code flow of the media handling channel number, to obtain the second number to be tested
According to message；Wherein, second data message to be tested is marked with the time.
7. according to the method described in claim 6, it is characterized by further comprising:
Create media file；Wherein, the media file is for saving video code flow；
First video data and second data message to be tested are respectively written into the media file；
Judge whether delay test terminates；
At the end of delay test, judge whether count value is preset value；Wherein, the count value is for indicating the media text
The write state of part；
When the count value is the preset value, the media file is closed.
8. a kind of test device of video delay in video conference, using in test equipment characterized by comprising
Obtain module, the first video counts being decoded for obtaining multipoint control unit to the first data message to be tested
Accordingly and with the time label the second data message to be tested；Wherein, first data message to be tested is source terminal hair
It send to the data message of multipoint control unit, addition when carrying multipoint control unit decoding in first video data
Timestamp；Second data message to be tested is that the multipoint control unit decodes first data message to be tested
The video data obtained afterwards carries out the data message obtained after media handling；
Data message decoder module, for being decoded to second data message to be tested, obtain the second video data and
The time label；
Be delayed computing module, for based on first video data timestamp and the second video data corresponding time
The delay of the multipoint control unit is calculated in label.
9. a kind of electronic equipment characterized by comprising
Memory and processor communicate with each other connection, are stored in the memory between the memory and the processor
Computer instruction, the processor is by executing the computer instruction, thereby executing described in any one of claim 1-5
Video delay in video conference test method or claim 6 or 7 described in video delay in video conference test side
Method.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, the computer instruction is used to that the computer perform claim to be made to require video in video conference described in any one of 1-5
The test method of video delay in video conference described in the test method or claim 6 or 7 of delay.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819303A (en) * | 2019-03-06 | 2019-05-28 | Oppo广东移动通信有限公司 | Data output method and relevant device |
| CN109842795A (en) * | 2019-02-28 | 2019-06-04 | 苏州科达科技股份有限公司 | Audio-visual synchronization performance test methods, device, electronic equipment, storage medium |
| CN110324566A (en) * | 2019-07-05 | 2019-10-11 | 苏州科达科技股份有限公司 | The test method of sound delay, test device and test equipment in video conference |
| CN111787312A (en) * | 2020-07-29 | 2020-10-16 | 杭州叙简科技股份有限公司 | Video delay test method, system, electronic equipment and storage medium |
| CN112988475A (en) * | 2021-04-28 | 2021-06-18 | 厦门亿联网络技术股份有限公司 | Disaster tolerance test method, device, test server and medium |
| CN113068021A (en) * | 2021-03-31 | 2021-07-02 | 北京飞讯数码科技有限公司 | Delay testing method, device, equipment and storage medium |
| CN113573160A (en) * | 2021-05-17 | 2021-10-29 | 南斗六星系统集成有限公司 | Method for determining video delay in real-time video |
| CN113766217A (en) * | 2021-09-08 | 2021-12-07 | 苏州科达科技股份有限公司 | Video delay test method and device, electronic equipment and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050208979A1 (en) * | 2004-03-22 | 2005-09-22 | Lg Electronics Inc. | System and method for verifying delay time using mobile image terminal |
| CN1859584A (en) * | 2005-11-14 | 2006-11-08 | 华为技术有限公司 | Video frequency broadcast quality detecting method for medium broadcast terminal device |
| CN101516017B (en) * | 2008-02-22 | 2010-12-01 | 中国移动通信集团公司 | Method, device and system for measuring video transmission delay of session service |
| CN102158683A (en) * | 2011-04-25 | 2011-08-17 | 中兴通讯股份有限公司 | Testing method of video delay in video conference and computer |
| CN101656640B (en) * | 2009-09-16 | 2011-12-07 | 中兴通讯股份有限公司 | Method and equipment for determining testing data |
| CN102655585A (en) * | 2012-04-16 | 2012-09-05 | 中国联合网络通信集团有限公司 | Video conference system and time delay testing method, device and system thereof |
| CN104349163A (en) * | 2014-11-26 | 2015-02-11 | 电子科技大学 | Measurement display device and measurement system for end-to-end video transmission delay |
| CN105791986A (en) * | 2014-12-23 | 2016-07-20 | 中国移动通信集团公司 | Video time delay detection method and device |
| CN106546238A (en) * | 2016-10-26 | 2017-03-29 | 北京小鸟看看科技有限公司 | Wearable device and the method that user's displacement is determined in wearable device |
| CN106851259A (en) * | 2017-01-17 | 2017-06-13 | 中国科学院上海高等研究院 | video delay test device in monitoring system |
-
2018
- 2018-12-13 CN CN201811528749.8A patent/CN109309831B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050208979A1 (en) * | 2004-03-22 | 2005-09-22 | Lg Electronics Inc. | System and method for verifying delay time using mobile image terminal |
| CN1859584A (en) * | 2005-11-14 | 2006-11-08 | 华为技术有限公司 | Video frequency broadcast quality detecting method for medium broadcast terminal device |
| CN101516017B (en) * | 2008-02-22 | 2010-12-01 | 中国移动通信集团公司 | Method, device and system for measuring video transmission delay of session service |
| CN101656640B (en) * | 2009-09-16 | 2011-12-07 | 中兴通讯股份有限公司 | Method and equipment for determining testing data |
| CN102158683A (en) * | 2011-04-25 | 2011-08-17 | 中兴通讯股份有限公司 | Testing method of video delay in video conference and computer |
| CN102655585A (en) * | 2012-04-16 | 2012-09-05 | 中国联合网络通信集团有限公司 | Video conference system and time delay testing method, device and system thereof |
| CN104349163A (en) * | 2014-11-26 | 2015-02-11 | 电子科技大学 | Measurement display device and measurement system for end-to-end video transmission delay |
| CN105791986A (en) * | 2014-12-23 | 2016-07-20 | 中国移动通信集团公司 | Video time delay detection method and device |
| CN106546238A (en) * | 2016-10-26 | 2017-03-29 | 北京小鸟看看科技有限公司 | Wearable device and the method that user's displacement is determined in wearable device |
| CN106851259A (en) * | 2017-01-17 | 2017-06-13 | 中国科学院上海高等研究院 | video delay test device in monitoring system |
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