CN103379379B - Streaming media buffer playing method and device - Google Patents
Streaming media buffer playing method and device Download PDFInfo
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- CN103379379B CN103379379B CN201210107556.1A CN201210107556A CN103379379B CN 103379379 B CN103379379 B CN 103379379B CN 201210107556 A CN201210107556 A CN 201210107556A CN 103379379 B CN103379379 B CN 103379379B
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Abstract
The invention discloses a kind of streaming media buffer playing method and device, described method comprises determining that the network speed of streaming media playing terminal；Network speed determined by according to arranges the buffering capacity in streaming media buffer district；Download Streaming Media in described streaming media buffer district；Streaming media buffer district reaches described buffering capacity and then plays the stream medium data in described streaming media buffer district.Described device includes: network speed determines module, for determining the network speed of streaming media playing terminal；Buffering capacity arranges module, for according to determined by network speed the buffering capacity in streaming media buffer district is set；Buffer module, is provided with streaming media buffer district, is used for downloading stream medium data in this streaming media buffer district；Playing module, reaches described buffering capacity for streaming media buffer district and then plays the stream medium data in described streaming media buffer district.Utilize the present invention, the playing efficiency of the playback terminal of different network speed can be improved, thus improve the Streaming Media overall playing efficiency for different network speed playback terminals on the whole.
Description
Technical field
The present invention relates to network data communication treatment technology, particularly relate to a kind of internet stream media buffered play method and apparatus.
Background technology
At multimedia messages such as transmission over networks audio/videos, currently mainly there are download and stream transmission two schemes.Downloading mode needs multimedia file all to download complete could to play, owing to multimedia file is the biggest, simultaneously because the restriction of the network bandwidth, downloading mode is used to be often required to spend several minutes even a few hours could download a complete multimedia file, so this processing method postpones the biggest.
Streaming manner refers to multimedia messages such as audio/videos by multimedia message server to the load mode continuous, real-time of client computer.Use streaming technology continuous time-base media be referred to as Streaming Media.Under this streaming manner, user need not wait until that whole file is all downloaded complete, and only can need to watch through the played data of several seconds or ten several seconds.Being characterized in that data stream transmits at any time to play at any time, when stream medium data is play on a client, the remainder of media file will continue in server on backstage to download.The Technology of Multimedia Stream Playing using streaming manner avoids user and has to wait for whole file and all download the complete shortcoming that could watch from network.
In Technology of Multimedia Stream Playing, needed to download to stream medium data, in a streaming media buffer district, this streaming media buffer district is referred to as relief area by this specification before commencing play out stream medium data.The process that wait stream medium data downloads to this relief area is called buffering by industry, is generally divided into and buffers first and again buffer.Described buffering first refers to: the process of the stream medium data of the necessity that needs to wait for downloads before Streaming Media commences play out to relief area, and the waiting time buffered first refers to download to downloaded given amount of data and be enough to the time play from starting.After the stream medium data amount downloaded reaches given amount of data, then the stream medium data read in this relief area plays out, and continues to download follow-up stream medium data in this relief area reading while data play out, thus plays continuously.Described buffering again refers to: once occur that the stream medium data in relief area has been read, and the stream medium data that waits occurred downloads the process of relief area of filling up, the waiting time again buffered refers to downloaded given amount of data and be enough to the time play from starting waiting for.The described waiting time buffered first and the probability again buffered and waiting time are the important indicators weighing streaming media playing efficiency.Especially one very important efficiency index of probability of again in which buffering, if the number of times again buffered is more, then can have a strong impact on playing efficiency, finally affects user and experiences the broadcasting of whole Streaming Media.
In current streaming media buffer play-back technology scheme, the buffering capacity of described relief area is fixing.Such as it is set as buffering capacity, it may be assumed that buffering is required for downloading the stream medium data can play 5 seconds first the buffer time of 5 seconds with buffering again.
The shortcoming of this prior art is: regardless of user's network speed, how use environment, and how to play, to beginning to all arranging identical buffering capacity eventually, so can cause the buffering capacity that the playback terminal of different network speed cannot be made to obtain coupling, thus of a relatively high playing efficiency cannot be obtained, ultimately result in Streaming Media relatively low for the overall playing efficiency of different network speed playback terminals.Such as, if described buffering capacity arranges less, although can reduce the waiting time buffered first, but relatively low for network speed or that network speed is unstable playback terminal, the probability of happening again buffered can be caused to increase, have a strong impact on playing efficiency；If described buffering capacity arranges higher, although the probability of happening again buffered can be reduced, but but extend the waiting time buffered first and the waiting time again buffered, also can affect playing efficiency every time.
Summary of the invention
In view of this, present invention is primarily targeted at a kind of streaming media buffer playing method and device of offer, to improve the playing efficiency of the playback terminal streaming media of different network speed.
The technical scheme is that and be achieved in that:
A kind of streaming media buffer player method, including:
Determine the network speed of streaming media playing terminal；
Network speed determined by according to arranges the buffering capacity in streaming media buffer district；
Download Streaming Media in described streaming media buffer district；
Described streaming media buffer district reaches described buffering capacity and then plays the stream medium data in described streaming media buffer district.
A kind of streaming media buffer playing device, including:
Network speed determines module, for determining the network speed of streaming media playing terminal；
Buffering capacity arranges module, for according to determined by network speed the buffering capacity in streaming media buffer district is set；
Buffer module, is provided with streaming media buffer district, is used for downloading stream medium data in this streaming media buffer district；
Playing module, reaches described buffering capacity for described streaming media buffer district and then plays the stream medium data in described streaming media buffer district.
Compared with prior art, the present invention is not the buffering capacity fixing a streaming media buffer district, but the buffering capacity in the streaming media buffer district of correspondence is automatically adjusted according to the network speed of different playback terminals, so it is adapted to the playback terminal of different network speed, the buffering capacity of the optimization of coupling network speed can be set, for the playback terminal that network speed is relatively low, can effectively reduce the probability again waiting for buffering, improve the playing efficiency of low network speed playback terminal；For the playback terminal that network speed is high, can effectively reduce the waiting time buffered first, improve the playing efficiency of high network speed playback terminal.Accordingly, with respect to prior art, the present invention can be respectively increased the streaming media playing efficiency of the playback terminal of different network speed, improves the Streaming Media overall playing efficiency for different network speed playback terminals on the whole.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart of streaming media buffer player method of the present invention；
Fig. 2 is a kind of composition schematic diagram of streaming media buffer playing device of the present invention；
Fig. 3 is another composition schematic diagram that buffering capacity of the present invention arranges module；
Fig. 4 is a kind of composition schematic diagram that streaming media buffer playing device of the present invention includes dynamic increment module.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Fig. 1 is a kind of flow chart of streaming media buffer player method of the present invention.Seeing Fig. 1, the method specifically includes that
Step 101, determine the network speed of streaming media playing terminal；
Step 102, according to determined by network speed the buffering capacity in streaming media buffer district (in this specification referred to as relief area) is set；
In step 103, download Streaming Media to described streaming media buffer district；
Step 104, described streaming media buffer district reach described buffering capacity and then play the stream medium data in described streaming media buffer district.
Fig. 2 is the composition schematic diagram of streaming media buffer playing device of the present invention.This buffered play device is arranged in streaming media playing terminal, is used for performing method of the present invention.In the present invention, described streaming media playing terminal refers to access the terminal of play stream media data, such as computer, mobile phone, panel computer and other data handling equipment.
Seeing Fig. 2, streaming media buffer playing device of the present invention includes:
Network speed determines module 201, for determining the network speed of streaming media playing terminal；
Buffering capacity arranges module 202, for according to determined by network speed the buffering capacity in streaming media buffer district is set；
Buffer module 203, is provided with streaming media buffer district, is used for downloading stream medium data in this streaming media buffer district；
Playing module 204, reaches described buffering capacity for described streaming media buffer district and then plays the stream medium data in described streaming media buffer district.
In one embodiment, a kind of mode determining streaming media playing terminal network speed in described step 101 is: often downloads and test and record download speed when playing a files in stream media, using the download speed that recorded when downloading the upper files in stream media of broadcasting as the network speed of current streaming media playing terminal.Such as downloading playing stream media file (if files in stream media is excessive, multiple little files in stream media then can be divided into be downloaded broadcasting) time, every the time of appointment (such as 10 seconds) download of statistics, described download was obtained divided by the described appointment time network speed of this period, record the network speed of nearest N number of time period (recording nearest 7 times 10 seconds the most continuously) continuously, and the meansigma methods of this N number of network speed of final entry is as download speed during this files in stream media of broadcasting, this download speed is recorded in the network speed of streaming media buffer playing device and determines in module.If described streaming media playing terminal is to download for the first time playing stream media, the most do not record download speed, now using default acquiescence buffering capacity as the buffering capacity of this streaming media playing terminal buffer.When the follow-up file of playing stream media again, then what described network speed determined the upper files in stream media recorded in module downloads the network speed playing network speed as current streaming media playing terminal, and then arranges the buffering capacity in streaming media buffer district with this again.
In described step 102, described streaming media buffer district buffering capacity is set according to network speed determined by step 101 concrete grammar can be: preset network speed from low to high interval, and the buffering capacity from high to low of correspondence be set；Judge that the network speed belonging to network speed determined by step 101 is interval, buffering capacity corresponding for this network speed interval is set to the buffering capacity in described streaming media buffer district.
Corresponding, need to specifically include as it is shown on figure 3, the buffering capacity in described streaming media buffer playing device arranges module 202:
Network speed submodule 221 corresponding with buffering capacity, for the buffering capacity from high to low arranged and storage network speed from low to high is interval and corresponding.
Buffering capacity sets submodule 222, for judging that network speed determines determined by module 201 that the network speed belonging to network speed is interval, using buffering capacity corresponding for this network speed interval as the buffering capacity in described streaming media buffer district.
In the present invention, the buffering capacity in described streaming media buffer district can be the time span (being called for short buffer time) of buffering, it is also possible to be the space size of buffering.Generally, the player of playing stream media is player based on FLASH platform, and the buffering capacity in the streaming media buffer district of player based on FLASH platform was measured with buffer time.As a example by below using buffer time as buffering capacity, the present invention will be described, if using cushion space size as buffering capacity, its principle is identical with buffer time, repeats no more herein.
Described in a kind of embodiment of the present invention, streaming media buffer playing device is based on FLASH platform, the buffer time of FLASH player so can be utilized easily to arrange characteristic and dynamically adjust the buffer time of relief area.If arranging buffer time is 3 seconds, then the buffering occurred is accomplished by downloading the data that be enough to play 3 seconds.Being shown by player statistical data, if buffer time arranges the biggest, then playback terminal will more be difficult to occur again buffering, but waiting time buffered first and occur that the waiting time again buffered can be the longest.Whereas if buffer time arranges the least, the most easily occur again buffering, but the waiting time that the waiting time buffered first and appearance buffer again can be the shortest.
Certainly, the described streaming media buffer playing device of the present invention is not limited to video player based on FLASH platform, it is also possible to be players based on other playing platforms.
As a example by the at present conventional code check streaming media video as 550kbps, network speed interval of the present invention is set below and the setting of correspondence buffering capacity illustrates.
Described code check refers to: the data bits that during data transmission, the unit interval transmits, typically with kilobit (kbps) per second as unit.Described code check also corresponds to sampling rate, and in the unit interval, sampling rate is the biggest, and precision is the highest, and the file dealt is just closer to original document, say, that the details of picture is the abundantest.
First, can calculate according to the corresponding relation of code check and download speed: smooth playing be can guarantee that for the download speed that code check is the streaming media video of 550kbps, about 75KB/S.It is classified as three network speed intervals as according to the download speed of user herein:
First network speed interval is that network speed less than 75KB/S is interval, and its grade is can not the grade of smooth playing；
Second network speed interval is more than 75KB/S but is less than the network speed interval of 150KB/S, and its grade is the grade of smooth playing；
3rd network speed interval is that the network speed more than 150KB/S is interval, and its grade is the most smooth grade.
Certainly the network speed that the present invention is divided is interval and critical network speed value is not limited to the critical network speed value that above three is interval and above-mentioned, can be divided into the network speed interval of other quantity, it is possible to use other critical network speed value.
Secondly, different buffering capacities (for buffer time in this embodiment) to be correspondingly arranged for described different network speed interval, need to arrange the buffering capacity from high to low of correspondence herein for network speed interval from low to high.Such as above-mentioned three divided network speed intervals, interval for described second network speed, it is correspondingly arranged the buffer time of one relatively " middle " for use as the reference in the network speed interval of other two grades, such as the present embodiment could be arranged to 6 seconds.Interval for described first network speed, then it is correspondingly arranged a longest buffer time more interval than described second network speed, such as could be arranged to 8 seconds, owing to download the data of 2 seconds more, therefore the waiting time of buffering is so somewhat increased, but the probability occurring again buffering can be reduced, and occur that the probability again the buffered impact on playing efficiency is bigger on the impact of playing efficiency than buffering latencies, therefore can relatively improve the playing efficiency of the interval terminal of this network speed.Threeth network speed the fastest for network speed is interval, then it is correspondingly arranged shorter buffer time, such as could be arranged to 4 seconds, the terminal being so in this network speed interval buffered play quickly can go out video, decrease the waiting time buffered first, simultaneously because the network speed of this terminal is the most unimpeded, thus without because being provided with shorter buffer time, and increase the probability of occurrence again buffered, thus also improve the playing efficiency of the interval terminal of this network speed on the whole.
The buffer time interval and corresponding owing to pre-setting different grades of network speed, therefore in above-mentioned steps 102, described buffered play device needs to judge that the network speed belonging to network speed determined by step 101 is interval, and buffer time corresponding for this network speed interval is arranged to the buffer time of current buffer.Such as determined by step 101 network speed is 60KB/S, then buffer time (i.e. 8 seconds) corresponding for described first network speed interval is arranged to the buffer time of current buffer, i.e. the buffer time of this relief area is 8 seconds.After the buffer time setting relief area, just can download Streaming Media by the way of stream transmission in this relief area, after the stream medium data downloaded be enough to play 8 seconds, start to read the stream medium data play in described relief area, and continue to download follow-up stream medium data in this relief area reading while data play out, thus play continuously.
If described streaming media playing terminal is to download playing stream media for the first time, owing to the most not recording download speed, now can be by default acquiescence buffering capacity, the such as acquiescence buffer time of 8 seconds, as the buffering capacity of this streaming media playing terminal buffer.Described buffered play device can buffer with the buffer time of 8 seconds, and test during Streaming Media downloading and record download speed, treat that this streaming media playing is complete, when downloading playing stream media file the most again, then the download speed recorded when utilizing last time download playing stream media determines buffering capacity.
In one embodiment, during downloading playing stream media, if it occur that the event again buffered, the most described streaming media buffer playing device can dynamically expand the buffering capacity of described relief area, such as automatically the buffering capacity of described relief area be expanded 1 second.The problem that this embodiment is solved is: for the playback terminal that network speed is relatively low, it is easy to owing to network speed is relatively low to occur again buffering, after the buffering capacity expanding relief area, can effectively reduce the probability occurring again to buffer, further increase the playing efficiency of low network speed playback terminal.
Corresponding, as shown in Figure 4, described streaming media buffer playing device 200 farther includes: dynamic increment module 205, for the event monitoring whether to occur again to buffer during downloading playing stream media, if it occur that the event again buffered then expands the buffering capacity in described streaming media buffer district.
Certainly, the buffering capacity of described relief area is not unrestricted expansion, can preset maximum cushioning amount, when the buffering capacity in described streaming media buffer district reaches this maximum cushioning amount, the most no longer expand the buffering capacity in this streaming media buffer district in a kind of embodiment of the present invention.The buffer time that such as can arrange maximum is 10 seconds, and the buffer time of the most described relief area has reached 10 seconds, if again there is the event again buffered, the most described buffered play device will no longer expand the buffering capacity of described relief area.
In sum, the solution of the present invention automatically arranges the buffering capacity of the optimization of coupling network speed according to the network speed of different playback terminals, for the playback terminal that network speed is relatively low, bigger buffering capacity can be set automatically, can effectively reduce the probability occurring again to buffer, improve the playing efficiency of low network speed playback terminal；For the playback terminal that network speed is high, less buffering capacity can be set automatically, can effectively reduce the waiting time buffered first, improve the playing efficiency of high network speed playback terminal.Accordingly, with respect to prior art, the present invention can be respectively increased the playing efficiency of the playback terminal of different network speed, improves the Streaming Media overall playing efficiency for different network speed playback terminals on the whole.
Above-mentioned is to describe the present invention as a example by video stream media, and for the Streaming Media of other multimedia form, such as audio stream media, the described scheme of the present invention is equally applicable.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, within should be included in the scope of protection of the invention.
Claims (8)
1. a streaming media buffer player method, it is characterised in that including:
Determine the network speed of streaming media playing terminal；
Network speed determined by according to arranges the buffering capacity in streaming media buffer district；The buffering capacity in described streaming media buffer district is buffer time length；Wherein, for relatively low network speed, relatively large buffer time length is set；For relatively high network speed, relatively small buffer time length is set；
Download Streaming Media in described streaming media buffer district；
Described streaming media buffer district reaches described buffering capacity and then plays the stream medium data in described streaming media buffer district；
The method farther includes: in playing process, if it occur that wait the event again buffered, then expands the buffering capacity in described streaming media buffer district.
Method the most according to claim 1, it is characterised in that described determine streaming media playing terminal network speed method be:
Often downloading when playing a files in stream media and test and record download speed, the download speed recorded when download is play a upper files in stream media is as the network speed of current streaming media playing terminal.
Method the most according to claim 2, it is characterised in that when described streaming media playing terminal for the first time downloads playing stream media file, using default acquiescence buffering capacity as the buffering capacity in described streaming media buffer district.
Method the most according to claim 1, it is characterised in that network speed determined by according to arranges streaming media buffer district buffering capacity method particularly includes:
Preset network speed from low to high interval, and the buffering capacity from high to low of correspondence is set；
Network speed belonging to network speed determined by judgement is interval, using buffering capacity corresponding for this network speed interval as the buffering capacity in described streaming media buffer district.
Method the most according to claim 1, it is characterised in that the method farther includes: preset maximum cushioning amount, when the buffering capacity in described streaming media buffer district reaches this maximum cushioning amount, the most no longer expand the buffering capacity in this streaming media buffer district.
6. a streaming media buffer playing device, it is characterised in that including:
Network speed determines module, for determining the network speed of streaming media playing terminal；
Buffering capacity arranges module, for according to determined by network speed the buffering capacity in streaming media buffer district is set；The buffering capacity in described streaming media buffer district is buffer time length；Wherein, for relatively low network speed, relatively large buffer time length is set；For relatively high network speed, relatively small buffer time length is set；
Buffer module, is provided with streaming media buffer district, is used for downloading stream medium data in this streaming media buffer district；
Playing module, reaches described buffering capacity for described streaming media buffer district and then plays the stream medium data in described streaming media buffer district；
This device farther includes: dynamic increment module, for the event monitoring whether to occur again to buffer during downloading playing stream media, if it occur that the event again buffered then expands the buffering capacity in described streaming media buffer district.
Device the most according to claim 6, it is characterised in that described buffering capacity arranges module and specifically includes:
Network speed submodule corresponding with buffering capacity, for the buffering capacity from high to low arranged and storage network speed from low to high is interval and corresponding；
Buffering capacity sets submodule, for judging that network speed determines that network speed belonging to network speed determined by module is interval, using buffering capacity corresponding for this network speed interval as the buffering capacity in described streaming media buffer district.
Device the most according to claim 6, it is characterised in that this device is streaming media buffer playing device based on FLASH platform.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104244033B (en) * | 2014-09-03 | 2017-12-08 | 乐视致新电子科技（天津）有限公司 | Video broadcasting method and device, intelligent terminal |
| CN104333778A (en) * | 2013-12-26 | 2015-02-04 | 乐视网信息技术（北京）股份有限公司 | Dynamic playing buffering processing method and electronic device |
| CN105227588A (en) * | 2014-05-28 | 2016-01-06 | 中国移动通信集团公司 | A kind of method for down loading of files in stream media and user terminal |
| CN104022962B (en) * | 2014-06-27 | 2017-12-12 | 宇龙计算机通信科技(深圳)有限公司 | Flow control methods and volume control device |
| CN104320424B (en) * | 2014-11-20 | 2017-06-16 | 三星电子（中国）研发中心 | A kind of Streaming Media burst method for down loading and device |
| CN105430475A (en) * | 2015-11-04 | 2016-03-23 | 北京奇虎科技有限公司 | Buffering method and device of video data |
| CN105898536A (en) * | 2016-04-29 | 2016-08-24 | 乐视控股（北京）有限公司 | Video play method and device |
| CN106658051B (en) * | 2016-12-30 | 2019-05-10 | 中广热点云科技有限公司 | A kind of control method and system of buffered play Streaming Media |
| CN109587555B (en) * | 2018-11-27 | 2020-12-22 | Oppo广东移动通信有限公司 | Video processing method and device, electronic equipment and storage medium |
| CN111510777B (en) * | 2019-01-30 | 2021-11-23 | 上海哔哩哔哩科技有限公司 | Method and device for measuring network speed, computer equipment and readable storage medium |
| CN112217854A (en) * | 2019-07-12 | 2021-01-12 | 南京机器岛智能科技有限公司 | Point reading system supporting cloud quick response |
| CN113038238B (en) * | 2021-03-22 | 2023-07-07 | 格兰菲智能科技有限公司 | Transmission stream data code recording system and transmission stream data code recording method |
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| CN101729418B (en) * | 2009-11-27 | 2012-09-19 | 乐视网信息技术（北京）股份有限公司 | Data acquiring method capable of decreasing channel switching delay |
| CN101854382A (en) * | 2010-04-26 | 2010-10-06 | 上海乐毅信息科技有限公司 | Optimization method for monitoring transmission of video in 3G network |
| CN102340827B (en) * | 2010-07-14 | 2015-01-14 | 瑞昱半导体股份有限公司 | Wireless communication system and method for adjusting use depth of buffering unit therein |
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