CN103596036A - Method for intelligent buffering of streaming media player - Google Patents
Method for intelligent buffering of streaming media player Download PDFInfo
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- CN103596036A CN103596036A CN201310558911.1A CN201310558911A CN103596036A CN 103596036 A CN103596036 A CN 103596036A CN 201310558911 A CN201310558911 A CN 201310558911A CN 103596036 A CN103596036 A CN 103596036A
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Abstract
The invention provides a method for intelligent buffering of a streaming media player. The method for intelligent buffering of the streaming media player particularly comprises the steps that multithreading acceleration buffering is set, wherein a head pointer and a tail pointer of played data are recorded, whether a special multithreading buffering condition is met or not is judged, if yes, division is conducted in sections, a responding thread is started, so that requested data are downloaded, and the content between the head pointer and the tail pointer is the content to be played; a reasonable buffering consumption and triggering buffering mechanism is set. Compared with the prior art, the method for intelligent buffering of the streaming media player is capable of improving user experience, strong in practicality, stable and smooth in playing, good in use effect and easy to popularize on the premise that cost is not increased.
Description
Technical field
The present invention relates to digital television techniques field, a kind of specifically DST PLAYER intelligent buffer method that does not raise the cost, improves user's experience.
Background technology
In August, 2013,17， State Council issued " broadband China " strategy implementation scheme, and China is welcoming higher bandwidth environment, for the OTT Set Top Box product by network has brought life.By the ott product of network and common dvb product contrast, there is very strong advantage.Ott box can be realized all functions of dvb product, and alleviates operation and maintenance personnel's burden without laying unnecessary circuit, along with the development of Android system and broadband China, believes that ott product will better be developed.But due to the factor of current network, ott box, when watching the program of high definition and blue light, still cannot reach the experience with dvb product.Main cause be exactly due to network bandwidth limitations cause watch time card pause, had a strong impact on user's experience.
The player of each current producer is most of does not carry out deep optimization for this special and complicated situation, cause user when using ott product to watch live or high definition program request, there is variety of issue, main is exactly a card problem, to user, has brought very poor experience.Affected the popularization of ott box product.
China's network speed overwhelming majority is 4M downlink bandwidth at present, by OTT Set Top Box product, watches high-definition program, due to limit bandwidth, often occurs that card pauses or the slow-paced problem of zapping, has a strong impact on user and experiences.When the development like a raging fire of broadband China, how to make OTT Set Top Box product and DVB product compete on the same stage, mainly just concentrate on user's experience aspect.And the raising that user experiences mainly relies on the player of function admirable, except equipping outstanding hardware decoding chip, how, under the prerequisite not raising the cost, improve user's experience, be a great problem.Based on this, this explanation is devoted to provide a kind of solution under not raising the cost, and improves user's experience.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, provides a kind of and does not raise the cost, DST PLAYER intelligent buffer method.
Technical scheme of the present invention realizes in the following manner, a kind of this DST PLAYER intelligent buffer method, and its concrete way to play for time is:
One, multithreading is set and accelerates buffering: record head pointer and the tail pointer of played data, judge whether to reach specific multithreading buffer condition, after reaching, segmentation is divided, the thread of starting-up response goes download request data, and concrete numerical value depends on concrete network environment, server film source definition and player configurations, the content between above-mentioned head pointer and tail pointer is videlicet by the content of playing;
Two, rational buffering consumption be set and trigger buffering: supposing that certain section of Time-Client OTT box is from the average speed of download S of streaming media server, the video code rate M of client's program request, people's psychology is accepted a card time T, in order to guarantee T, after buffering area is ready to appropriate data, just can send to bottom player to go to process plays, the minimum value of this buffered data is M*T, if ineligible, allow player suspend and waits for.
The detailed content of described step 1 is: player is safeguarded the buffering list of a ring-type, for cushioning the data of obtaining from server end, during player plays, by specific interface data therefrom, play, the size of buffering area designs according to situation separately, player is safeguarded an idle head pointer and idle tail pointer, described idle head pointer refers to valid data tail pointer, idle tail pointer refers to data head pointer, data are between the two invalid datas, outside data are effective played data not, when idle data surpasses critical value, starting multithreading downloads, according to concrete network environment and buffer size, divide the thread of varying number, start download work simultaneously, until fill up current freebuf, and the pointer position of the response that upgrades in time.
While appropriate buffered data being sent to bottom server in described step 2, first start a thread and download, every T/2 does once buffering and checks, if clear area is greater than T/2*M, starts multithreading and downloads; Each thread is responsible for the data volume of T*2*M and is downloaded.
The beneficial effect that the present invention compared with prior art produced is:
A kind of DST PLAYER intelligent buffer method of the present invention is improved user in the viewing experience of using OTT Set Top Box product to watch programme televised live, under the prerequisite not raising the cost, improves user's experience, practical, play steadily smoothness, result of use is desirable, is easy to promote.
Accompanying drawing explanation
Accompanying drawing 1 is multithreading buffering schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of DST PLAYER intelligent buffer method of the present invention is described in detail below.
Difference with the prior art of the present invention is that the video-audio signal Cong Yi road of output expands to multichannel, thereby can reflect a plurality of scenes.A kind of DST PLAYER intelligent buffer method is provided as shown in Figure 1, and its concrete way to play for time is:
One, multithreading is set and accelerates buffering: record head pointer and the tail pointer of played data, judge whether to reach specific multithreading buffer condition, after reaching, segmentation is divided, the thread of starting-up response goes download request data, and concrete numerical value depends on concrete network environment, server film source definition and player configurations, the content between above-mentioned head pointer and tail pointer is videlicet by the content of playing.
The detailed content of this step 1 is: player is safeguarded the buffering list of a ring-type, for cushioning the data of obtaining from server end, during player plays, by specific interface data therefrom, play, the size of buffering area designs according to situation separately.
Program should be safeguarded a free time start pointer (that is to say valid data tail pointer) and idle end tail pointer (namely cable data head pointer), data are between the two invalid datas, outside data are effective played data (player can obtain data wherein by special interface) not.
When idle data surpasses critical value, start multithreading and download, according to concrete network environment and buffer size, divide the thread of varying number, start download work simultaneously, until fill up current freebuf, the pointer position of the response of noting upgrading in time.
Two, rational buffering consumption be set and trigger buffering: the design of buffering strategy, relates to several factors.Need to use a Mathematical Modeling to go modeling Simulation.Suppose that certain section of Time-Client OTT box notes S non-constant along with the time is constantly changing from the average speed of download S(of streaming media server), the video code rate of client's program request (or film source definition) M, people's psychology accept card immediately between T(be less than this time people and when watching program, will feel frequent card).
Must be clear and definite a bit, S<M definitely there will be the phenomenon of time-out, but outward appearance performance is " frequent card in the short time " or " the long-time buffering of suspending ", just relevant with buffering strategy.S>M is just as playing this locality, without buffering.The most rational scheme is according to the T of M and real-time S customization, at set intervals, adjusts at any time buffering strategy.So both look after user's impression, taken into account again performance.
First it is much suitable that the buffering area that we discuss us should be set to, should be for M*T otherwise the limiting case that is 0 at M, client may feel card from defining known minimum.If hardware RAM configuration is large, can suitably increase buffer size.Popular hardware configuration can cushion about 1 minute at present, and T is greatly in 3s.
At DSR after, the player that just can send carries out playback process, for fear of card frequently, known minimum just can send to player to play while being the buffering capacity of M*T.Therefore when carrying out buffer interface design, be noted that if ineligible, allow player suspend and wait for.
Should when trigger multithreading download mechanism, start on earth several threads, also will reasonably design, avoid the situation that causes cpu utilization rate too high.This explanation suggestion starts a thread, and every T/2 does once buffering and checks, if clear area is greater than T/2*M, starts multithreading and downloads.Each thread is responsible for the data volume of T*2*M and is downloaded.Through practice, this processing can save cpu buffered data efficiently again.
Embodiment: the 1G ram that supposed certain hardware using, except operating system takies residue 600M memory headroom.The speed that the ott box of supposing certain client is downloaded from sheet source server is that the highest time that frequent card that 1M/S it is believed that pauses is 3S; film source code check is 2M/S; when this client watches, will inevitably produce the phenomenon of suspending buffering; for fear of long time-out and Caton phenomenon generation frequently, suggestion player is done following operation.
First apply for that 240M internal memory is for building circular buffering, can start at the beginning 240/ (3*2*2) if=20(thread is too much, has caused cpu utilization rate too high, can according to circumstances limit number of threads), simultaneously to server, initiate download request.The start detection buffering left detection in the every 3/2=2s of thread left and right simultaneously, when reaching 2*3=6M, but played data, in the time of due to broadcasting, data, at buffered data, are therefore filled up very soon in backstage, have the detection that detects thread simultaneously, player can be use up farthest and steadily be play, thereby improve user, experiences.
Except the technical characterictic described in specification, be those skilled in the art's known technology.
Claims (3)
1. a DST PLAYER intelligent buffer method, is characterized in that: its concrete way to play for time is:
One, multithreading is set and accelerates buffering: record head pointer and the tail pointer of played data, judge whether to reach specific multithreading buffer condition, after reaching, segmentation is divided, the thread of starting-up response goes download request data, and concrete numerical value depends on concrete network environment, server film source definition and player configurations, the content between above-mentioned head pointer and tail pointer is videlicet by the content of playing;
Two, rational buffering consumption be set and trigger buffering: supposing that certain section of Time-Client OTT box is from the average speed of download S of streaming media server, the video code rate M of client's program request, people's psychology is accepted a card time T, in order to guarantee T, after buffering area is ready to appropriate data, just can send to bottom player to go to process plays, the minimum value of this buffered data is M*T, if ineligible, allow player suspend and waits for.
2. a kind of DST PLAYER intelligent buffer method according to claim 1, it is characterized in that: the detailed content of described step 1 is: player is safeguarded the buffering list of a ring-type, for cushioning the data of obtaining from server end, during player plays, by specific interface data therefrom, play, the size of buffering area designs according to situation separately, player is safeguarded an idle head pointer and idle tail pointer, described idle head pointer refers to valid data tail pointer, idle tail pointer refers to data head pointer, data are between the two invalid datas, outside data are effective played data not, when idle data surpasses critical value, starting multithreading downloads, according to concrete network environment and buffer size, divide the thread of varying number, start download work simultaneously, until fill up current freebuf, and the pointer position of the response that upgrades in time.
3. a kind of DST PLAYER intelligent buffer method according to claim 1 and 2, it is characterized in that: while appropriate buffered data being sent to bottom server in described step 2, first starting a thread downloads, every T/2 does once buffering and checks, if clear area is greater than T/2*M, starts multithreading and downloads; Each thread is responsible for the data volume of T*2*M and is downloaded.
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| 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 |
| CN105553939A (en) * | 2015-12-07 | 2016-05-04 | 中国联合网络通信集团有限公司 | Method and device for determining blockage of streaming media |
| CN105763927A (en) * | 2016-02-19 | 2016-07-13 | 福州瑞芯微电子股份有限公司 | Method and apparatus for caching smart videos at streaming media playing terminal |
| CN105992043A (en) * | 2015-10-15 | 2016-10-05 | 乐视致新电子科技（天津）有限公司 | Data processing method and device |
| CN106303563A (en) * | 2016-08-19 | 2017-01-04 | 腾讯科技（深圳）有限公司 | The online playing method and device of Streaming Media |
| CN106688240A (en) * | 2014-07-08 | 2017-05-17 | 萨热姆通信宽带简易股份有限公司 | Method and device for remotely recording video programs |
| CN106851337A (en) * | 2017-02-21 | 2017-06-13 | 聚好看科技股份有限公司 | Video buffer control method and device |
| CN108156514A (en) * | 2017-12-27 | 2018-06-12 | 广东欧珀移动通信有限公司 | Playback method, device and the storage medium of media file |
| CN108877845A (en) * | 2018-06-29 | 2018-11-23 | 广州酷狗计算机科技有限公司 | Playback of songs method and device |
| CN114727128A (en) * | 2022-03-30 | 2022-07-08 | 恒玄科技(上海)股份有限公司 | Data transmission method and device of playing terminal, playing terminal and storage medium |
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| CN106851337A (en) * | 2017-02-21 | 2017-06-13 | 聚好看科技股份有限公司 | Video buffer control method and device |
| CN106851337B (en) * | 2017-02-21 | 2019-12-24 | 聚好看科技股份有限公司 | Video buffering control method and device |
| CN108156514A (en) * | 2017-12-27 | 2018-06-12 | 广东欧珀移动通信有限公司 | Playback method, device and the storage medium of media file |
| CN108877845A (en) * | 2018-06-29 | 2018-11-23 | 广州酷狗计算机科技有限公司 | Playback of songs method and device |
| CN108877845B (en) * | 2018-06-29 | 2020-11-03 | 广州酷狗计算机科技有限公司 | Song playing method and device |
| CN114727128A (en) * | 2022-03-30 | 2022-07-08 | 恒玄科技(上海)股份有限公司 | Data transmission method and device of playing terminal, playing terminal and storage medium |
| CN114727128B (en) * | 2022-03-30 | 2024-04-12 | 恒玄科技(上海)股份有限公司 | Data transmission method and device of playing terminal, playing terminal and storage medium |
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Effective date of registration: 20180807 Address after: 250100 S06 tower, 1036, Chao Lu Road, hi tech Zone, Ji'nan, Shandong. Patentee after: Shandong wave cloud Mdt InfoTech Ltd Address before: 250100 Ji'nan hi tech Zone No. 2877, Shandong Province Patentee before: Inspur Group Co., Ltd. |
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Address after: 250100 No. 1036 Tidal Road, Jinan High-tech Zone, Shandong Province, S01 Building, Tidal Science Park Patentee after: Inspur cloud Information Technology Co., Ltd Address before: 250100 Ji'nan science and technology zone, Shandong high tide Road, No. 1036 wave of science and Technology Park, building S06 Patentee before: SHANDONG LANGCHAO YUNTOU INFORMATION TECHNOLOGY Co.,Ltd. |