CN103024598A - Device and method for acquiring network video playing fluency - Google Patents
Device and method for acquiring network video playing fluency Download PDFInfo
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Abstract
The invention relates to a method for acquiring network video playing fluency. The method includes: acquiring a data packet corresponding to a video application; extracting video information according to the data packet, wherein the video information includes the bit rate; acquiring corresponding link of the data packet, and calculating the transmission rate of the link; and acquiring playing fluency by comparing the bit rate with the transmission rate. In addition, the invention further discloses a device for acquiring network video playing fluency. Using the device and the method for acquiring network video playing fluency can improve accuracy.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of method and device that Internet video is play fluency that obtain.
Background technology
Along with the increase of bandwidth, watch Online Video to become a kind of general behavior of the Internet.And the Internet Transmission quality has a significant impact the broadcast fluency of video, so Virtual network operator needs more and more to know that the user watches the experience of video, and then video website is optimized route, and buffer memory video content etc. are improved service quality.
In the conventional art, common way is exactly the quality of removing to test displaying video by pseudo-terminal, as in the place near the user, places a station terminal and play-overs video, then observes the broadcast fluency and estimates the user video quality.
Yet, because the sample range that the method by pseudo-terminal detects is less, for operator can't Obtaining Accurate terminal in the in a big way situation of watching video, therefore, in the conventional art, obtaining Internet video, to play the method accuracy of fluency not high.
Summary of the invention
Based on this, be necessary to provide a kind of method that Internet video is play fluency of obtaining that can improve accuracy.
A kind of method of obtaining Internet video broadcast fluency comprises:
Obtain the packet corresponding with Video Applications;
Extract video information according to described packet, described video information comprises bit rate;
Obtain connection corresponding to described packet, calculate the transmission rate of described connection;
Obtain the broadcast fluency by more described bit rate and described transmission rate.
Among embodiment, the described step of obtaining the packet corresponding with Video Applications is therein:
Obtain packet, extract the header information of described packet;
Obtain the packet that header information comprises the video type sign.
Therein among embodiment, the described step of extracting video information according to described packet is:
Obtain the video header data by the described packet of buffer memory;
Extract video information according to described video header data.
Among embodiment, also comprise before the step of the transmission rate of the described connection of described calculating therein:
Re-transmission in the described connection or out of order packet are filtered or put in order.
Therein among embodiment, describedly obtain the step of playing fluency by more described bit rate and described transmission rate and be:
Obtain difference and the magnitude relationship of described transmission rate and described bit rate;
Calculate the broadcast fluency according to described difference, magnitude relationship and bit rate.
In addition, also be necessary to provide a kind of device that Internet video is play fluency that obtains that can improve accuracy.
A kind of device that obtains Internet video broadcast fluency comprises:
The video data acquisition module is used for obtaining the packet corresponding with Video Applications;
The bit rate acquisition module is used for extracting video information according to described packet, and described video information comprises bit rate;
The transmission rate acquisition module is used for obtaining connection corresponding to described packet, calculates the transmission rate of described connection;
The fluency computing module is used for obtaining the broadcast fluency by more described bit rate and described transmission rate.
Among embodiment, described video data acquisition module also is used for obtaining packet, extracts the header information of described packet, obtains the packet that header information comprises the video type sign therein.
Among embodiment, described bit rate acquisition module also is used for obtaining the video header data by the described packet of buffer memory, extracts video information according to described video header data therein.
Among embodiment, described device also comprises the arrangement filtering module therein, is used for re-transmission or the out of order packet of described connection are filtered or put in order.
Among embodiment, described fluency computing module also is used for obtaining difference and the magnitude relationship of described transmission rate and described bit rate therein, calculates the broadcast fluency according to described difference, magnitude relationship and bit rate.
Above-mentioned method and the device that obtains Internet video broadcast fluency, can be by catching the packet of Video Applications in the transit node (such as equipment such as router, switch, gateways) of network data transmission, obtain the bit rate of Video Applications corresponding to packet and the transmission rate of corresponding connection, and calculate the broadcast fluency of video according to bit rate and transmission rate.Therefore, compared to prior art, can automatically obtain according to the data of the transit node of flowing through the broadcast fluency of all videos, enlarge sample range, thereby improve the accuracy of calculating.
Description of drawings
Fig. 1 obtains the flow chart that Internet video is play the method for fluency among the embodiment;
Fig. 2 obtains the structural representation of device that Internet video is play the method for fluency among the embodiment;
Fig. 3 plays the structural representation of device of the method for fluency for obtaining Internet video among another embodiment.
Embodiment
In one embodiment, as shown in Figure 1, a kind of method of obtaining Internet video broadcast fluency comprises the steps:
Step S102 obtains the packet corresponding with Video Applications.
The packet corresponding with Video Applications is that Internet video is used the packet that is transferred to client by server.The header part of packet includes the application type sign usually, for example is used for the parameter of expression application type in the mime-type(HTTP agreement) attribute tags or the protocol name corresponding with Video Applications.
In one embodiment, the step of obtaining the packet corresponding with Video Applications can be specially: obtain packet, extract the header information of packet, obtain the packet that header information comprises the video type sign.The video type sign can be the coded format of video, such as mkv, rmvb, wmv etc.That is to say, can the header information of the packet that receives be detected, include the video type sign if detect the head of packet, then obtain this packet or its copy.
Step S104 extracts video information according to packet, and video information comprises bit rate.
Video information i.e. the video attribute information relevant with video, comprises bit rate, playing duration, file size etc.Video information is stored in the top of file of video file usually.
In one embodiment, the step of extracting video information according to packet can be specially: obtain the video header data by data cached bag, extract video information according to the video header data.
In the present embodiment, can extract the top of file of the video file of transmission by packet or its copy (i.e. default data length) of buffer memory predetermined number, and from top of file, extract video information.
Step S106 obtains connection corresponding to packet, calculates the transmission rate that connects.
Can calculate by the size of obtaining the data volume of transmitting in the connection that packet is corresponding in the Preset Time transmission rate of connection.
In the present embodiment, the step of calculating the transmission rate that connects also can be filtered or put in order re-transmission or the out of order packet in connecting before.
When network environment was relatively poor, identical packet may retransmit repeatedly, so that when calculating transmission rate, can be with reference to the number of transmissions of identical packet.First re-transmission or out of order packet in connecting are filtered or put in order, and then calculate transmission rate according to filtration and reduced data bag, can obtain the actual transfer rate of video content, thereby further improve accuracy.
Step S108 is by relatively bit rate and transmission rate are obtained the broadcast fluency.
Can mark to playing fluency by comparing bit rate and transmission rate, embody the broadcast fluency by the size of marking.
For example, if transmission rate is 2048kbps, and bit rate is 1024kbps, and then transmission rate the higher scoring of broadcast fluency corresponding to this connection can give significantly greater than bit rate; If transmission rate is 1024kbps, and bit rate is 2048kbps, then transmission rate is much smaller than bit rate, and the user needs often to suspend buffering can play this video, the lower scoring of broadcast fluency corresponding to this connection then can give.
In one embodiment, the step of obtaining the broadcast fluency by comparing bit rate and transmission rate can be specially: obtain difference and the magnitude relationship of transmission rate and bit rate, calculate according to difference, magnitude relationship and bit rate and play fluency.
Can obtain difference between the two by transmission rate being deducted bit rate, magnitude relationship is the positive and negative of difference.In the present embodiment, can by the ratio of calculated difference and bit rate, then this ratio be multiply by the full-time coefficient corresponding with magnitude relationship and obtain scoring corresponding to this connection.
In one embodiment, also can obtain a plurality of corresponding broadcast fluency that connect, by obtaining average broadcast fluency after the default weights weighted average.
Can connection be divided into polytype according to information such as domain name, video type information, geographical location information, bit rate, bandwidth, then all that obtain in certain type connect corresponding broadcast fluency, then on average play fluency by the weighted average calculation phase, thus the broadcast situation of the video integral body of reaction the type.
For example, can be according to the IP acquisition of information correspondence that connects a plurality of connections in certain city, and obtain this and a plurality ofly connect corresponding broadcast fluency, obtain the average broadcast fluency corresponding with this city through after the weighted average.Can obtain perhaps that bit rate is the minimum requirements of 1024kbps(720p HD video in the video information of all transmission) connection, and obtain this a plurality of broadcast fluency that connect correspondence, obtain average broadcast fluency corresponding to 720p HD video through after the weighted average.
In one embodiment, as shown in Figure 2, a kind of device that obtains Internet video broadcast fluency comprises video data acquisition module 102, bit rate acquisition module 104, transmission rate acquisition module 106 and fluency computing module 108, wherein:
Video data acquisition module 102 is used for obtaining the packet corresponding with Video Applications.
The packet corresponding with Video Applications is that Internet video is used the packet that is transferred to client by server.The header part of packet includes the application type sign usually, for example is used for the parameter of expression application type in the mime-type(HTTP agreement) attribute tags or the protocol name corresponding with Video Applications.
In one embodiment, video data acquisition module 102 can be used for obtaining packet, extracts the header information of packet, obtains the packet that header information comprises the video type sign.The video type sign can be the coded format of video, such as mkv, rmvb, wmv etc.That is to say, video data acquisition module 102 can be used for the header information of the packet that receives is detected, and includes the video type sign if detect the head of packet, then obtains this packet or its copy.
Bit rate acquisition module 104 is used for extracting video information according to packet, and video information comprises bit rate.
Video information i.e. the video attribute information relevant with video, comprises bit rate, playing duration, file size etc.Video information is stored in the top of file of video file usually.
In one embodiment, bit rate acquisition module 104 can be used for obtaining the video header data by data cached bag, extracts video information according to the video header data.
In the present embodiment, bit rate acquisition module 104 can be used for extracting the top of file of the video file of transmission by the packet of buffer memory predetermined number or its copy (i.e. default data length), and extracts video information from top of file.
Transmission rate acquisition module 106 is used for obtaining connection corresponding to packet, calculates the transmission rate that connects.
Transmission rate acquisition module 106 can be used for calculating by the size of obtaining the data volume of transmitting in the connection that packet is corresponding in the Preset Time transmission rate of connection.
In the present embodiment, as shown in Figure 3, the device that obtains Internet video broadcast fluency also comprises arrangement filtering module 110, is used for the re-transmission or the out of order packet that connect are filtered or put in order.
When network environment was relatively poor, identical packet may retransmit repeatedly, so that when calculating transmission rate, can be with reference to the number of transmissions of identical packet.First re-transmission or out of order packet in connecting are filtered or put in order, and then calculate transmission rate according to filtration and reduced data bag, can obtain the actual transfer rate of video content, thereby further improve accuracy.
For example, if transmission rate is 2048kbps, and bit rate is 1024kbps, and then transmission rate the higher scoring of broadcast fluency corresponding to this connection can give significantly greater than bit rate; If transmission rate is 1024kbps, and bit rate is 2048kbps, then transmission rate is much smaller than bit rate, and the user needs often to suspend buffering can play this video, the lower scoring of broadcast fluency corresponding to this connection then can give.
In one embodiment, fluency computing module 108 can be used for obtaining difference and the magnitude relationship of transmission rate and bit rate, calculates according to difference, magnitude relationship and bit rate and plays fluency.
In one embodiment, also can obtain a plurality of corresponding broadcast fluency that connect, by obtaining average broadcast fluency after the default weights weighted average.
Can connection be divided into polytype according to information such as domain name, video type information, geographical location information, bit rate, bandwidth, then all that obtain in certain type connect corresponding broadcast fluency, then on average play fluency by the weighted average calculation phase, thus the broadcast situation of the video integral body of reaction the type.
For example, can be according to the IP acquisition of information correspondence that connects a plurality of connections in certain city, and obtain this and a plurality ofly connect corresponding broadcast fluency, obtain the average broadcast fluency corresponding with this city through after the weighted average.Can obtain perhaps that bit rate is the minimum requirements of 1024kbps(720p HD video in the video information of all transmission) connection, and obtain this a plurality of broadcast fluency that connect correspondence, obtain average broadcast fluency corresponding to 720p HD video through after the weighted average.
Above-mentioned method and the device that obtains Internet video broadcast fluency, can be by catching the packet of Video Applications in the transit node (such as equipment such as router, switch, gateways) of network data transmission, obtain the bit rate of Video Applications corresponding to packet and the transmission rate of corresponding connection, and calculate the broadcast fluency of video according to bit rate and transmission rate.Therefore, compared to prior art, can automatically obtain according to the data of the transit node of flowing through the broadcast fluency of all videos, enlarge sample range, thereby improve the accuracy of calculating.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. one kind is obtained the method that Internet video is play fluency, comprising:
Obtain the packet corresponding with Video Applications;
Extract video information according to described packet, described video information comprises bit rate;
Obtain connection corresponding to described packet, calculate the transmission rate of described connection;
Obtain the broadcast fluency by more described bit rate and described transmission rate.
2. the method for obtaining Internet video broadcast fluency according to claim 1 is characterized in that, the described step of obtaining the packet corresponding with Video Applications is:
Obtain packet, extract the header information of described packet;
Obtain the packet that header information comprises the video type sign.
3. the method for obtaining Internet video broadcast fluency according to claim 1 is characterized in that, described step according to described packet extraction video information is:
Obtain the video header data by the described packet of buffer memory;
Extract video information according to described video header data.
4. the method for obtaining Internet video broadcast fluency according to claim 1 is characterized in that, also comprises before the step of the transmission rate of the described connection of described calculating:
Re-transmission in the described connection or out of order packet are filtered or put in order.
5. according to claim 1ly obtain the method that Internet video is play fluency, it is characterized in that, describedly obtain the step of playing fluency by more described bit rate and described transmission rate and be:
Obtain difference and the magnitude relationship of described transmission rate and described bit rate;
Calculate the broadcast fluency according to described difference, magnitude relationship and bit rate.
6. one kind is obtained the device that Internet video is play fluency, it is characterized in that, comprising:
The video data acquisition module is used for obtaining the packet corresponding with Video Applications;
The bit rate acquisition module is used for extracting video information according to described packet, and described video information comprises bit rate;
The transmission rate acquisition module is used for obtaining connection corresponding to described packet, calculates the transmission rate of described connection;
The fluency computing module is used for obtaining the broadcast fluency by more described bit rate and described transmission rate.
7. according to claim 6ly obtain the device that Internet video is play fluency, it is characterized in that, described video data acquisition module also is used for obtaining packet, extracts the header information of described packet, obtains the packet that header information comprises the video type sign.
8. the device that obtains Internet video broadcast fluency according to claim 6 is characterized in that, described bit rate acquisition module also is used for obtaining the video header data by the described packet of buffer memory, extracts video information according to described video header data.
9. the device that obtains Internet video broadcast fluency according to claim 6 is characterized in that, described device also comprises the arrangement filtering module, is used for re-transmission or the out of order packet of described connection are filtered or put in order.
10. according to claim 6ly obtain the device that Internet video is play fluency, it is characterized in that, described fluency computing module also is used for obtaining difference and the magnitude relationship of described transmission rate and described bit rate, calculates according to described difference, magnitude relationship and bit rate and plays fluency.
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| CN104796730A (en) * | 2014-01-20 | 2015-07-22 | 腾讯科技（深圳）有限公司 | Method and device for detecting low-speed users in network video live broadcast and system |
| CN105323654A (en) * | 2014-08-05 | 2016-02-10 | 优视科技有限公司 | Method and device for displaying content data from network |
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| CN110971916A (en) * | 2018-09-28 | 2020-04-07 | 武汉斗鱼网络科技有限公司 | Live broadcast fluency monitoring method and system |
| CN110971916B (en) * | 2018-09-28 | 2022-02-08 | 武汉斗鱼网络科技有限公司 | Live broadcast fluency monitoring method and system |
| CN110662109A (en) * | 2019-09-29 | 2020-01-07 | 咪咕动漫有限公司 | Video playing method, electronic equipment and computer readable storage medium |
| CN113079368A (en) * | 2021-03-26 | 2021-07-06 | 深圳创维－Rgb电子有限公司 | Video fluency detection method and device, terminal device and storage medium |
| WO2023024986A1 (en) * | 2021-08-23 | 2023-03-02 | 北京字跳网络技术有限公司 | Method, apparatus, device, and medium for determining video smoothness |
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Effective date of registration: 20200618 Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park building A1 layer Patentee after: SANGFOR TECHNOLOGIES Inc. Address before: 518051 room 410, technology innovation service center, 1 Qilin Road, Shenzhen, Guangdong, Nanshan District Patentee before: Shenxin network technology (Shenzhen) Co.,Ltd. |