CN106060579A - Streaming video playing method - Google Patents

Streaming video playing method Download PDF

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Publication number
CN106060579A
CN106060579A CN201610397688.0A CN201610397688A CN106060579A CN 106060579 A CN106060579 A CN 106060579A CN 201610397688 A CN201610397688 A CN 201610397688A CN 106060579 A CN106060579 A CN 106060579A
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CN
China
Prior art keywords
video
data
frequency band
user
little
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610397688.0A
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Chinese (zh)
Inventor
林洋
胡曰峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LeTV Information Technology Beijing Co Ltd
Original Assignee
LeTV Information Technology Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LeTV Information Technology Beijing Co Ltd filed Critical LeTV Information Technology Beijing Co Ltd
Priority to CN201610397688.0A priority Critical patent/CN106060579A/en
Publication of CN106060579A publication Critical patent/CN106060579A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23406Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23418Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2387Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention discloses a streaming video playing method. The streaming video playing method comprises the following steps: acquiring a starting play point of a user in response to an operation of a user by a video server, and starting to download video segments from the starting play point; detecting a dragging operation of the user, and acquiring the position of a dragging point; and processing already-downloaded video data according to the position of the dragging point of the user. Through adoption of the streaming video playing method, breakdown of a player due to overstock of data can be prevented; the utilization ratio of a memory of the user can be increased; the bandwidth of a video supplier is saved; and the cost is reduced.

Description

A kind of streaming media video player method
The application is filing date December in 2012 30, Application No. 201210585385.3, invention entitled " a kind of Streaming media video player method " divisional application.
Technical field
The invention belongs to field of computer technology, particularly relate to a kind of method that in network, streaming media video is play.
Background technology
Streaming Media refers to transmit the most in a network the form of audio frequency, video and multimedia file, Streaming Media literary composition Part form is the media formats supporting to use stream transmission and play.Streaming manner is by the multimedia such as video and audio frequency literary composition Part is divided into compressed package one by one through special compress mode, by server to subscriber computer continuously, transmit in real time.Using In the system of streaming manner, user plays not necessarily like non-stream and waits until that whole file just can be seen after all downloading like that To central content, but only that the start-up study through several seconds or tens seconds can utilize on the user computer accordingly Player video or the streaming video file such as audio frequency of compression are played out, remaining part will proceed download, directly To finishing.
Now, during web player playing stream media video file, it is necessary first to download certain number from video server The video data bag of amount leaves in local cache, i.e. can proceed by broadcasting after downloading a certain amount packet, if used When the data outside viewing current playing point are thought at family, need to pull the position that broadcast point is to be play, this position is defined as Pull a little, obtain after this pulls packet a little and play out again.At present frequently with the mode of streaming media playing be, video counts Starting to download according to from initial broadcast point, the data of all downloads after initial broadcast point starts all are deposited in the buffer, but When user needs to watch the video between current playing point and initial broadcast point, it is only necessary to be drawn to corresponding position and just may not be used Directly play by buffering, this may save the buffer time of user, also save the bandwidth of video supplier, reduce cost, But, this streaming media video broadcast mode is only suitable only for internal memory that user network player can use more than play video In the case of file size, therefore it is only suitable for the video data that played file amount is less, for the video literary composition of high definition or ultra high-definition Part, uses said method, easily causes user memory load excessive, plays the phenomenon of collapse, affect Consumer's Experience.
At present, streaming media playing mode is widely used in transmission of video and application, entitled " point-to-point Streaming Media communication System and the collocation method of super node resource thereof " Chinese patent (publication number CN 101075954A is called for short referenced patent 1) just It it is a kind of the most representative video transmission technologies method.In referenced patent 1, describe a kind of stream media transmission system Implementation method, the method includes: obtain resource information and the reality of flow-medium performance of current each SP in described communication system Connection;In conjunction with the SP resource information obtained and the actual connection of flow-medium performance, configure for specific flow-medium performance SP resource, utilizes the SP resource configured to provide service for corresponding specific flow-medium performance, and this technology may be used for program request With in live broadcast service.
Chinese patent (the publication number of entitled " a kind of files in stream media player method, system and player " CN102521279A is called for short referenced patent 2) describe the document play-back method of a kind of Streaming Media, the method comprises the steps: Receiving stream media data playback request, according to described stream medium data playing request search request in broadcast address queue The data address of stream medium data;When finding described data address in broadcast address queue, play ground described Location queue obtains the cache bank memories block address that described stream medium data is corresponding;Corresponding with described cache bank memories block address Memory block in obtain described stream medium data, play described stream medium data, and described cache bank memories address be saved in The queue of described broadcast address.The method subtracts without re-downloading stream medium data when asking play stream media data Few response time, improves the fluency of streaming media playing.
But above-mentioned prior art all cannot solve internal memory that user network player can use less than play video In the case of file size, user can arbitrarily reselect the problem of broadcast point, thus affects the use of user.
Summary of the invention
In order to overcome the weak point in above-mentioned background technology, the present invention proposes a kind of streaming media video player method, It can not only ensure that player not factor data overstocks excessive and collapses, and also so that the utilization rate of user memory is higher And save the bandwidth of video supplier, reduce cost.
The streaming media video player method of the present invention comprises the following steps:
The operation of video server response user, obtains the initial broadcast point of user, starts download from initial broadcast point and regard Frequency range;
The drag operation of detection user, obtains the position pulled a little;
According to the position pulled a little of user, the video data downloaded is processed.
Preferably, the process to the video data downloaded farther includes:
When the described position pulled a little is positioned in the video-frequency band downloaded, remove and pull the video before a place video-frequency band The download data of the Duan Zhongwei section of being downloaded to tail, and pull the video-frequency band not downloading data from paragraph header after a place video-frequency band Data;
When the described position pulled a little is positioned in the video-frequency band do not downloaded, remove all video-frequency bands not loaded from paragraph header The loading data of the video-frequency band of the section of not being loaded onto tail;
The free memory value that detection user's current browser is allocated, preserves the number starting all loadings from initial broadcast point According to, and add up, when accumulated value increases to the free memory value that user's current browser is allocated, to downloading data Video-frequency band carries out the removing of data.
Preferably, when the video-frequency band downloaded being carried out the removing of data, it is purged in the following order:
Before currently pulling a little, do not start the data of the video-frequency band of loading and the section of not being loaded onto tail from paragraph header;
Before currently pulling a little, start to load from paragraph header, but the data of the video-frequency band of the section of not being loaded onto tail;
Before currently pulling a little, do not start to load but the data of the video-frequency band of the section of being loaded onto tail from paragraph header;
In the case of above-mentioned three kinds of situations are all eliminated, from head start to remove successively before currently pulling a little complete The data of the video-frequency band downloaded.
In any of the above-described scheme preferably, video-frequency band is that content delivery network service device is distributed to the broadcasting of each webpage The video data of end carries out logic section according to reproduction time section, and the playing duration of each video-frequency band is fixed.Preferably, described The reproduction time of each video-frequency band is 7 minutes, and the data volume of video-frequency band is variant.
The streaming media video player method of the present invention, is possible not only to ensure that player not factor data overstocks excessive and collapses, And also so that the utilization rate of user memory higher and save video supplier bandwidth, reduce cost.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make Accompanying drawing be briefly described, it is therefore apparent that the accompanying drawing in describing below is only the section Example of the present invention, for this From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings attached Figure.
Fig. 1 is the schematic diagram of an embodiment of the video broadcasting method of the Streaming Media according to the present invention;
Fig. 2 is signal when being positioned at a certain towpoint of the drag operation of the video broadcasting method of the Streaming Media according to the present invention Figure;
Fig. 3 is signal when being positioned at another towpoint of the drag operation of the video broadcasting method of the Streaming Media according to the present invention Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
CDN (content distributing network) server is distributed to the video data of each webpage broadcasting end and enters according to reproduction time section Row logic section, the playing duration of each video-frequency band fixes, and the reproduction time of the most each video-frequency band is 7 minutes, but video-frequency band Data volume variant.
The operation of video server response user, obtains the initial broadcast point of user, starts download from initial broadcast point and regard Frequency range.During as it is shown in figure 1, user opens broadcasting video, current web player according to the operation of user to video server Send play command, the play command of video server response user, obtain current the rising of user according to the current operation of user Beginning broadcast point O, starts foradownloaded video data from initial broadcast point O, As time goes on, in the situation that user does not pull Under, to play and locate to broadcast point A, then the data of video download can be as shown in figure bend part, namely V4 rear section, V5 is whole And the forward part of V6, also having the part downloaded in other video-frequency bands, blank parts is the video data do not downloaded.
It is then detected that the drag operation of user, obtain the position pulled a little.
It is illustrated in fig. 2 shown below, when user has drag operation, can be drawn to pull B1 or B1 ', or as it is shown on figure 3, drag Drag to pulling B2 or B2 ', namely pull position a little and be positioned at the video-frequency band downloaded or be positioned in the video-frequency band do not downloaded.
According to the position pulled a little of user, the video data downloaded is processed, have following several ways.
Mode one, when user pull a little be positioned at position shown in Fig. 2 (B1 or B1 ') time, remove and pull a place video In video-frequency band before Duan, the download data of the section of not being downloaded to tail.If that is, pulling the video before the video-frequency band at a place All being removed the video data downloaded of following video-frequency band is included in Duan:
A, download but the section of not being downloaded to tail from paragraph header, such as V1;
B, download in the middle of the section but the section of not being downloaded to tail, such as V2.
Further, the data of the video-frequency band not downloading data from paragraph header after removing pulls a place video-frequency band.
Such as, the data of V8 and V9 in Fig. 2 are removed.
Mode two, when user pull a little be positioned at position shown in Fig. 3 (B2 or B2 ') time, all do not load from paragraph header The loading data of the video-frequency band of video-frequency band and the section of not being loaded onto tail is all removed, and such as, removes V2, V8.
The free memory M that mode three, detection user's current browser are allocated, preserves and starts from initial broadcast point O to own The data loaded, and add up, when accumulated value N increases to internal memory M, according to following suitable from the video-frequency band downloading data Sequence carries out the removing of data:
1, before currently pulling a little, the data of the video-frequency band of loading and the section of not being loaded onto tail are not started from paragraph header;
2, before currently pulling a little, start to load from paragraph header, but the data of the video-frequency band of the section of not being loaded onto tail;
3, before currently pulling a little, do not start to load but the data of the video-frequency band of the section of being loaded onto tail from paragraph header;
4, in the case of above-mentioned three kinds of situations are all eliminated, from head start to remove successively before currently pulling a little complete The data of the video-frequency band of whole download.
Employing mode one and mode two, it is ensured that user download the video data volume will not because of data overstock excessive and Cause the phenomenon that player collapses, use mode three, be possible not only to ensure that player not factor data overstocks excessive and collapses, and It is also possible that the utilization rate of user memory is higher and saves the bandwidth of video supplier, reduce cost.
It should be noted that above example is only the exemplary description to technical solution of the present invention, and it is not to this The restriction of invention;Although the present invention being described in detail with reference to above embodiment, but, the ordinary skill of this area Personnel should be understood by completely, without departing from the protection domain limited by claims of the present invention spirit Under premise, the technical scheme described in above-described embodiment can be modified or wherein portion of techniques feature is equal to Replacing, these all should belong to protection scope of the present invention.

Claims (7)

1. a streaming media video player method, if for being divided into dry-pressing by video multimedia file through special compress mode Contracting bag, by server to subscriber computer continuously, transmit in real time, it is characterised in that comprise the following steps:
The operation of video server response user, obtains the initial broadcast point of user, starts foradownloaded video section from initial broadcast point;
The drag operation of detection user, obtains the position pulled a little;
According to the position pulled a little of user, the video data downloaded is processed.
Method the most according to claim 1, wherein, the process to the video data downloaded farther includes:
When the described position pulled a little is positioned in the video-frequency band downloaded, remove and pull in the video-frequency band before a place video-frequency band The download data of the section of not being downloaded to tail, and pull the number of the video-frequency band not downloading data from paragraph header after a place video-frequency band According to;
When the described position pulled a little is positioned in the video-frequency band do not downloaded, remove all video-frequency bands and not loaded from paragraph header The loading data of the video-frequency band of the section of being loaded onto tail.
3. method as claimed in claim 2, it is characterised in that: also comprise the steps:
The free memory value that detection user's current browser is allocated, preserves the data starting all loadings from initial broadcast point, And add up, when accumulated value increases to the free memory value that user's current browser is allocated, regard downloading data Frequency range carries out the removing of data.
Method the most according to claim 3, wherein, when the video-frequency band downloaded being carried out the removing of data, according to Lower order is purged:
Before currently pulling a little, do not start the data of the video-frequency band of loading and the section of not being loaded onto tail from paragraph header;
Before currently pulling a little, start to load from paragraph header, but the data of the video-frequency band of the section of not being loaded onto tail;
Before currently pulling a little, do not start to load but the data of the video-frequency band of the section of being loaded onto tail from paragraph header;
In the case of above-mentioned three kinds of situations are all eliminated, start the complete download removed successively before currently pulling a little from head The data of video-frequency band.
5. according to the method according to any one of claim 1-4, it is characterised in that
Video-frequency band be content delivery network service device be distributed to each webpage play end video data enter according to reproduction time section Row logic section, the playing duration of each video-frequency band is fixed.
Method the most according to claim 5, wherein, the reproduction time of described each video-frequency band is 7 minutes.
Method the most according to claim 6, wherein, the data volume of described video-frequency band is variant.
CN201610397688.0A 2012-12-30 2012-12-30 Streaming video playing method Pending CN106060579A (en)

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CN201610397688.0A CN106060579A (en) 2012-12-30 2012-12-30 Streaming video playing method

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WO2019227742A1 (en) * 2018-05-29 2019-12-05 北京字节跳动网络技术有限公司 Loading control method for media playback, apparatus, and storage medium
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Application publication date: 20161026