CN106331789A - Carousel program playing control method and carousel program playing control device - Google Patents
Carousel program playing control method and carousel program playing control device Download PDFInfo
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- CN106331789A CN106331789A CN201610822088.4A CN201610822088A CN106331789A CN 106331789 A CN106331789 A CN 106331789A CN 201610822088 A CN201610822088 A CN 201610822088A CN 106331789 A CN106331789 A CN 106331789A
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention provides a carousel program playing control method and a carousel program playing control device. The carousel program playing control method comprises steps that an identification of a lately-downloaded video slice of a terminal device and an identification of a to-be-played latest video slice in a server are acquired; whether the video slice between the lately-downloaded video slice and the latest video slice is lost is determined; when the video slice between the lately-downloaded video slice and the latest video slice is lost, the acquisition request of the reconstructed video slice acquired by reconstructing the lost video slice and the latest video slice is transmitted to the server, and the reconstructed video slice at least comprises the lost video slice. Video playing quality during program carousel is improved.
Description
Technical field
The present embodiments relate to TV technology, particularly relate to a kind of carousel program control method for playing back and equipment.
Background technology
At present, along with computer and the development of Internet technology, increasing program can be entered by the Internet
Road wheel is broadcast.
In the prior art, the Internet includes multiple virtual channel for program carousel, and each virtual channel has
The programme of its correspondence.During program carousel, server, according to the program playing sequence in programme, provides a user with and works as
The up-to-date video segment that the front moment is corresponding, after user accesses a virtual channel, can obtain up-to-date in the server
Video segment, and up-to-date section is played out.But, to cross slow or network when network speed and card occurs immediately, terminal unit obtains
Loss video segment is there may be between the video segment that the up-to-date video segment obtained and terminal unit have been play；Such as, exist
After terminal unit plays video segment 1, there is temporarily card in the network of terminal unit, normal at terminal unit network recovery
Time, terminal unit should play video segment 2, but the up-to-date video segment in server may be updated to video segment 4,
Then terminal unit can only obtain and play video segment 4 so that lost video segment 2 in the video that terminal unit is play and regards
Frequency section 3, causes video playback discontinuous.
From the foregoing, it will be observed that in the prior art, during program carousel, when terminal unit network is relatively slow or occurs temporarily
Immediately, terminal unit cannot play continuous print video to card, causes the video playing quality in program carousel poor.
Summary of the invention
The embodiment of the present invention provides a kind of carousel program control method for playing back and equipment, for improving regarding in program carousel
Frequently play quality.
First aspect, the embodiment of the present invention provides a kind of carousel program control method for playing back, is applied to terminal unit, described
Method includes:
Obtain to be played in the mark of video segment and server that described terminal unit the last time downloads up-to-date regard
The mark of frequency section；
Mark according to the described the last video segment downloaded and the mark of described up-to-date video segment, it is judged that described
Loss video segment whether is there is between the last video segment and the described up-to-date video segment downloaded；
The most then obtain to server request after described loss video segment and described up-to-date video segment are recombinated
Restructuring video segment, described restructuring video segment at least includes described loss video segment.
In a kind of possible embodiment, the mark of the video segment that described acquisition described terminal unit the last time downloads
Know, including:
Obtain the caching index file in described terminal unit, and in described caching index file, obtain described nearest one
The mark of the video segment of secondary download；
The mark of up-to-date video segment to be played in described acquisition server, including:
The up-to-date index file in described server is obtained to described server request, and in described up-to-date index file
Obtain the mark of described up-to-date video segment.
In alternatively possible embodiment, described obtain described loss video segment and described to server request
Up-to-date video segment recombinate after restructuring video segment, including:
Sending video request message to described server, described video request message includes described up-to-date video segment
Mark and the mark of described loss video segment；
Receive the restructuring video segment that described server sends；Wherein, described restructuring video segment includes described loss
Video segment, or, described restructuring video segment includes described loss video segment and described up-to-date video segment.
Second aspect, the embodiment of the present invention provides a kind of carousel program control method for playing back, is applied to server, described side
Method includes:
The video request message that receiving terminal apparatus sends, described video request message includes the mark losing video segment
Know and the mark of up-to-date video segment；
According to the number of described loss video segment, described loss video segment and described up-to-date video segment are carried out weight
Group, obtains video segment of recombinating；
Described restructuring video segment is sent to described terminal unit.
In a kind of possible embodiment, according to the number of described loss video segment, to described loss video segment
Recombinate with described up-to-date video segment, determine restructuring video segment, including:
Obtain the number of described loss video segment；
According to the number of described loss video segment, obtain the mark of N number of video segment to be reorganized, wherein said N number of treat
N-1 video to be played after restructuring video segment includes described up-to-date video segment and described up-to-date video segment is cut
Sheet, described N is the positive integer more than or equal to 1；
Described loss video segment and described N number of video segment to be reorganized are recombinated, obtains N number of restructuring video and cut
Sheet.
In alternatively possible embodiment, described loss video segment and described N number of video segment to be reorganized are entered
After row restructuring, also include:
According to the mark of each described video segment to be reorganized, determine the mark of each described restructuring video segment.
In alternatively possible embodiment, described to described terminal unit send described restructuring video segment, including:
In described N number of restructuring video segment, obtain the target restructuring identical with the mark of described up-to-date video segment and regard
Frequency section；
Described target restructuring video segment is sent to described terminal unit.
In alternatively possible embodiment, if described N is more than 1, send the restructuring of described target to described terminal unit
After video segment, also include:
By in described N number of restructuring video segment except described target restructuring video segment in addition to restructuring video segment be defined as
The caching restructuring video segment that described terminal unit is corresponding；
Cache the caching restructuring video segment that described terminal unit is corresponding, so that described server is receiving described terminal
Equipment send, include described caching restructuring video segment mark video request message after, send out to described terminal unit
Send described caching restructuring video segment.
The third aspect, the embodiment of the present invention provides a kind of terminal unit, including:
First acquisition module, for obtaining mark and the service of the video segment that described terminal unit the last time downloads
The mark of up-to-date video segment to be played in device；
Judge module, for the mark according to the described the last video segment downloaded and described up-to-date video segment
Mark, it is judged that whether there is loss video between described the last video segment and the described up-to-date video segment downloaded and cut
Sheet；
Second acquisition module, for judge at described judge module described the last download video segment and described
Exist when losing video segment between new video section, obtain described loss video segment and described up-to-date to server request
Video segment recombinate after restructuring video segment, described restructuring video segment at least includes described loss video segment.
In a kind of possible embodiment, the first acquisition module specifically for:
Obtain caching index file in described terminal unit, and obtain described the last time in described caching index file
The mark of the video segment downloaded；
The up-to-date index file in described server is obtained to described server request, and in described up-to-date index file
Obtain the mark of described up-to-date video segment.
In alternatively possible embodiment, described second acquisition module specifically for:
Sending video request message to described server, described video request message includes described up-to-date video segment
Mark and the mark of described loss video segment；
Receive the restructuring video segment that described server sends；Wherein, described restructuring video segment includes described loss
Video segment, or, described restructuring video segment includes described loss video segment and described up-to-date video segment.
Fourth aspect, the embodiment of the present invention provides a kind of server, including:
Receiver module, the video request message sent for receiving terminal apparatus, described video request message includes losing
Lose mark and the mark of up-to-date video segment of video segment；
Recombination module, for according to the number of described loss video segment, to described loss video segment and described up-to-date
Video segment is recombinated, and obtains video segment of recombinating；
Sending module, for sending described restructuring video segment to described terminal unit.
In a kind of possible embodiment, described recombination module includes the first acquiring unit, second acquisition unit and weight
Group unit, wherein,
Described first acquiring unit is used for, and obtains the number of described loss video segment；
Described second acquisition unit is used for, and according to the number of described loss video segment, obtains N number of video segment to be reorganized
Mark, after wherein said N number of video segment to be reorganized includes described up-to-date video segment and described up-to-date video segment
N-1 video segment to be played, described N is the positive integer more than or equal to 1；
Described recomposition unit is used for, and recombinates described loss video segment and described N number of video segment to be reorganized,
To N number of restructuring video segment.
In alternatively possible embodiment, described server also includes determining module, wherein,
Described determine module for, in described recomposition unit to described loss video segment and described N number of video to be reorganized
After section is recombinated, according to the mark of each described video segment to be reorganized, determine the mark of each described restructuring video segment.
In alternatively possible embodiment, described server also includes acquisition module, wherein,
Described acquisition module is used for, and in described N number of restructuring video segment, obtains the mark with described up-to-date video segment
Identical target restructuring video segment；
Accordingly, described sending module is for sending described target restructuring video segment to described terminal unit.
In alternatively possible embodiment, described server also includes cache module, wherein,
Described acquisition module is additionally operable to, and sends described target restructuring video at described sending module to described terminal unit and cuts
After sheet, by described N number of restructuring video segment except described target restructuring video segment in addition to restructuring video segment be defined as
The caching restructuring video segment that described terminal unit is corresponding；
Accordingly, described cache module is used for, and caches the caching restructuring video segment that described terminal unit is corresponding, so that institute
State server receive that described terminal unit sends, include that the video request of mark of described caching restructuring video segment disappears
After breath, send described caching restructuring video segment to described terminal unit.
Carousel program control method for playing back shown in the embodiment of the present invention and equipment, obtain to server request at terminal unit
Before taking video segment, terminal unit first judges in video segment that terminal unit the last time downloads and server to be played
Loss video segment whether is there is between up-to-date video segment；If it is not, then terminal unit is downloaded to server request and plays
New video is cut into slices, the most then loss video segment and up-to-date video segment are recombinated by premises equipment requests server, terminal
Restructuring video segment after the restructuring of device downloads server, and the video segment after restructuring is played out, after restructuring
Video segment includes loss video segment, this way it is possible to avoid there is discontinuous problem in the video that terminal unit is play,
And then improve the video playing quality in program carousel.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The application scenarios schematic diagram of the carousel program control method for playing back that Fig. 1 provides for the present invention；
The schematic flow sheet one of the carousel program control method for playing back that Fig. 2 provides for the present invention；
The schematic flow sheet of the video segment recombination method that Fig. 3 provides for the present invention；
The schematic flow sheet sending restructuring video segment method that Fig. 4 provides for the present invention；
The schematic flow sheet two of the carousel program control method for playing back that Fig. 5 provides for the present invention；
The structural representation of the terminal unit that Fig. 6 provides for the present invention；
The structural representation one of the server that Fig. 7 provides for the present invention；
The structural representation two of the server that Fig. 8 provides for the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
The application scenarios schematic diagram of the carousel program control method for playing back that Fig. 1 provides for the present invention, refers to Fig. 1, including
Terminal unit 101 and server 102.Wherein, user can be accessed by terminal unit 101 and be provided service by server 102
Virtual channel, server 102 includes programme and for carrying out multiple video segments of the carousel of program.At terminal unit
After 101 access of virtual channels, terminal unit asks video segment to server 102, concrete, if terminal unit 101 determines
There is not loss video between the video segment that the up-to-date video segment of server 102 offer and terminal unit 101 have been downloaded to cut
Sheet, then terminal unit 101 directly obtains the up-to-date video segment that server 102 provides；If terminal unit 101 determines server
Exist between the video segment that the 102 up-to-date video segments provided and terminal unit 101 have been downloaded and lose video segment, then terminal
Loss video segment and up-to-date video segment are recombinated by equipment 101 request server 102, and to the video segment after restructuring
(including losing video segment) plays out, discontinuous with the video avoiding terminal unit 101 to play.
Below, by specific embodiment, the technical scheme shown in the application is described in detail.Under it should be noted that
These specific embodiments of face can be combined with each other, may be in certain embodiments for same or analogous concept or process
Repeat no more.
The schematic flow sheet one of the carousel program control method for playing back that Fig. 2 provides for the present invention, refers to Fig. 2, the method
May include that
S201, terminal unit obtain in the mark of video segment and server that the last time downloads to be played up-to-date
The mark of video segment；
S202, the mark of video segment downloaded according to the last time and the mark of up-to-date video segment, it is judged that nearest one
Loss video segment whether is there is between video segment and the up-to-date video segment of secondary download；
S203, if the determination result is YES, the video request message that terminal unit sends to server, in video request message
Including mark and the mark of up-to-date video segment of losing video segment；
S204, server, according to the number of loss video segment, carry out weight to loss video segment and up-to-date video segment
Group, obtains video segment of recombinating；
S205, server send restructuring video segment to terminal unit.
In embodiments of the present invention, when user needs by terminal unit viewing carousel program, user can be by eventually
End equipment accesses the virtual channel for playing carousel program, and the carousel program in this virtual channel is provided by server.?
User is by after terminal unit access of virtual channel, and terminal unit then periodically obtains video segment to server request, and
The video segment acquired is played out.Wherein, video segment is the video content of preset duration, such as, and a video
Section can be the video content of playable 5 seconds.In actual application, a video can be set according to actual needs
The playing duration of section.
The process that terminal unit obtains video segment to server request every time is similar to, below, any one with terminal unit
Secondary as a example by the process of premises equipment requests video segment, carousel program control method for playing back is described in detail.
During carousel video is played out by terminal unit, when terminal unit needs to obtain newly to server request
Video segment time, terminal unit first obtains in the mark of the video segment of the last download and server to be played
The mark of up-to-date video segment.Wherein, up-to-date video segment to be played in server is at current time needs in programme
The video segment play.Optionally, terminal unit can obtain the video segment of the last time download in caching index file
Mark, this caching index file can be terminal unit is obtaining, to server request, the video segment that the last time downloads
Time, acquire from server, predeterminated position or number up-to-date (such as numbering maximum) in this caching index file
The mark of video segment is the mark of the video segment that terminal unit the last time downloads.Optionally, need when terminal unit
When obtaining the mark of up-to-date video segment, terminal unit can obtain up-to-date index file to server request, and at up-to-date rope
Quotation part obtains the mark of up-to-date video segment, wherein, in up-to-date index file predeterminated position or number up-to-date (such as
Numbering maximum) the mark of video segment be the mark of up-to-date video segment.Optionally, index file can be all m3u8 literary composition
Part.
Acquire at terminal unit the mark of the video segment of the last download and up-to-date video segment mark it
After, terminal unit judges whether there is loss video segment between the last video segment and the up-to-date video segment downloaded.
Optionally, if the mark of the mark of the last video segment downloaded and up-to-date video segment is continuous, then it is described the last time
There is not loss video segment between video segment and the up-to-date video segment downloaded, otherwise, regarding of the last download is described
Loss video segment is there is not between frequency section and up-to-date video segment.For example, it is assumed that terminal unit the last time download regard
Frequency section be designated 0011, up-to-date video segment be designated 0014, then the mark of video segment that explanation the last time downloads
Know to exist between (0011) and the mark (0014) of up-to-date video segment and lose video segment, lose being designated of video segment
0012 and 0013.
If terminal unit judges to there is not loss video between the last video segment and the up-to-date video segment downloaded
Section, the video request message of the first kind that terminal unit sends to server, in the video request message of this first kind
Including the mark of up-to-date video segment, the content that server includes according to video request message (does not include losing video segment
Mark), to terminal unit send up-to-date video segment so that up-to-date video segment is played out by terminal unit.
If terminal unit judges that there is loss video between the last video segment and the up-to-date video segment downloaded cuts
Sheet, the video request message of the Second Type that terminal unit sends to server, the video request message of this Second Type is wrapped
Include mark and the mark of up-to-date video segment losing video segment.Optionally, above two class is distinguished for the ease of server
The video request of type, terminal unit can also carry in the video request message of Second Type presets mark, and this presets mark
For the video request message indicating video request message to be Second Type.It should be noted that the video at Second Type please
Asking in message, it is also possible to include the mark of up-to-date video segment and adjust duration, this adjustment duration is used for indicating loss video to cut
The playing duration of sheet, such as, if the playing duration of a video segment is 5 seconds, the number losing section is 3, then this adjustment
Shi Changwei 15 seconds.
Optionally, when terminal unit determines that video segment is lost in existence, terminal unit can also judge that losing video cuts
Whether the duration play between moment and current time that sheet is corresponding is more than preset duration (such as 5 minutes), the most then terminal sets
Standby directly to the server request up-to-date video segment of acquisition, and up-to-date video segment is played out；If it is not, then terminal unit is again
To the video request message of the Second Type that server sends.In actual application, can this be set according to actual needs
Preset duration.
The video request receiving the mark and the mark of up-to-date video segment that include losing video segment at server disappears
After breath, server obtains the number losing video segment, and recombinates loss video segment and up-to-date video segment,
To restructuring video segment.This restructuring video segment includes losing video segment, or, restructuring video segment includes that loss regards
Frequency section and up-to-date video segment.Wherein, the playing duration of restructuring video segment is identical with the playing duration of up-to-date video segment.
Optionally, server can by video frame compression in K (K is the positive integer more than 1) individual video segment a to video segment,
Obtaining video segment of recombinating, so, restructuring video segment includes the content in K video segment, and video segment of recombinating
Broadcasting speed is K times of the broadcasting speed of normal video section.
After server acquires restructuring video segment, send restructuring video segment to terminal unit, so that terminal
Restructuring video segment is played out by equipment.Owing to this restructuring video segment includes losing video segment, it is to avoid terminal unit
The video play is discontinuous.
Carousel program control method for playing back shown in the embodiment of the present invention, obtains video at terminal unit to server request
Before section, terminal unit first judges to be played in video segment that terminal unit the last time downloads and server up-to-date regard
Loss video segment whether is there is between frequency section；If it is not, then terminal unit is downloaded to server request and plays up-to-date video
Section, the most then loss video segment and up-to-date video segment are recombinated, under terminal unit by premises equipment requests server
Carry the restructuring video segment after server restructuring, and the video segment after restructuring is played out, owing to the video after restructuring is cut
Sheet includes loss video segment, this way it is possible to avoid discontinuous problem, Jin Erti occurs in the video that terminal unit is play
Video playing quality in high program carousel.
On the basis of embodiment illustrated in fig. 2, optionally, server can be by the most feasible implementation to loss
Video segment and up-to-date video segment are recombinated, and determine restructuring video segment (S204 in embodiment illustrated in fig. 2), specifically
, embodiment shown in Figure 3.
The schematic flow sheet of the video segment recombination method that Fig. 3 provides for the present invention, refers to Fig. 3, and the method can be wrapped
Include:
S301, the number of acquisition loss video segment；
S302, number according to described loss video segment, obtain the mark of N number of video segment to be reorganized, wherein, N number of
Video segment to be reorganized includes the N-1 after up-to-date video segment and up-to-date video segment video segment to be played, and N is
Positive integer more than or equal to 1；
S303, recombinate to losing video segment and N number of video segment to be reorganized, obtain N number of restructuring video segment.
In the embodiment shown in fig. 3, need loss video segment and up-to-date video segment are recombinated when server
It is that server first obtains the number losing video segment, and according to losing the number of video segment, obtains N number of video to be reorganized
The mark of section, treats for N-1 after this N number of video segment to be reorganized includes up-to-date video segment and up-to-date video segment
Play video segment.Optionally, server can obtain N number for the treatment of heavily according to the number of default reformulation rule and loss video segment
The mark of group video segment.Optionally, default reformulation rule can be at most by L (L is the positive integer more than 1) individual video segment
It is reassembled as 1 restructuring video segment.
After server acquires N number of video segment to be reorganized, server is to losing video segment and N number of to be reorganized
Video segment is recombinated, and obtains N number of restructuring video segment.Optionally, server can according to the broadcasting of video segment successively
Sequentially, successively loss video segment and N number of video segment to be reorganized are recombinated, obtain N number of restructuring video segment.
Below, by concrete example, the method shown in Fig. 3 embodiment is described in detail.
Exemplary, it is assumed that the video segment that terminal unit the last time downloads be designated 0011, server is waited broadcast
The up-to-date video put be designated 0014, accordingly, lose video segment be designated 0012 and 0013.
Mark and the mark of up-to-date video segment that terminal unit sends, that include losing video segment is received at server
After the video request message known, server obtains the number (2) losing video.
Server, according to losing the number of video and default reformulation rule, obtains the mark of N number of video segment to be reorganized, and
Loss video segment and N number of video segment to be reorganized are recombinated, obtains N number of restructuring video segment.Concrete, when default weight
When group rule is different, the video segment N number of to be reorganized acquired is also different:
Assume that default reformulation rule, for recombinate two video segments, is two owing to losing the number of video, then
In order to ensure the synchronicity that subsequent video section is play, need to obtain the mark of two (N=2) video segments to be reorganized, respectively
For video segment 0014 and video segment 0015, then, server needs to enter video segment 0012,0013,0014 and 0015
Row restructuring obtains two (N=2) restructuring video segment, and concrete, video segment 0012 and 0013 can be carried out weight by server
Group obtains first restructuring video segment, video segment 0014 and video segment 0015 carries out restructuring and obtains second restructuring and regard
Frequency section.
Assume that default reformulation rule, for recombinate three video segments, is two owing to losing the number of video, then
In order to ensure the synchronicity that subsequent video section is play, needing to obtain the mark of (N=1) video segment to be reorganized, this is treated
Restructuring video segment is 0014, and then, server needs that video segment 0012,0013 and 0014 is carried out restructuring and obtains (a N
=1) restructuring video segment, concrete, and video segment 0012,0013 and 0014 is carried out restructuring and obtains a restructuring and regard by server
Frequency section.
In above process, server can determine the individual of video segment to be reorganized according to the number of loss video segment
Number N, and loss video segment and N number of video segment to be reorganized are recombinated, to obtain N number of restructuring video segment, so, when
When the number of loss video segment is more, it is ensured that the broadcasting speed of the video segment after restructuring will not be too fast, and then ensures
Video playing quality in program carousel.
On the basis of embodiment illustrated in fig. 3, at server, loss video segment and N number of video segment to be reorganized are carried out
After restructuring, in order to ensure the accuracy of the video of this terminal unit follow-up play, server is obtaining N number of restructuring video segment
Afterwards, the mark of each restructuring video segment can be determined according to the mark of each video segment to be reorganized.Optionally, server can
Directly the mark of each video segment to be reorganized to be defined as a mark for restructuring video segment.Cut for example, it is assumed that lose video
Sheet be designated 0012 and 0013, video segment to be reorganized be designated 0014 and 0015, server is by video segment 0012 He
Video segment 0013 carries out restructuring and obtains first restructuring video segment, and video segment 0014 and video segment 0015 carry out weight
Group obtains second restructuring video segment, then the mark of first restructuring video segment can be 0014, second restructuring video
The mark of section can be 0015.
On the basis of above-mentioned illustrated embodiment, it is that each restructuring video segment determines section mark at server
After, server can send restructuring video segment (in embodiment illustrated in fig. 2 by the most feasible implementation to terminal unit
S205), concrete, shown in Figure 4 embodiment.
The schematic flow sheet sending restructuring video segment method that Fig. 4 provides for the present invention, refers to Fig. 4, and the method can
To include:
S401, in N number of restructuring video segment, obtain identical with the mark of up-to-date video segment target restructuring video and cut
Sheet；
S402, video segment of recombinating to terminal unit transmission target.
In the embodiment shown in fig. 4, when server needs to send restructuring video segment to terminal unit, server exists
N number of video segment obtains the target restructuring video segment identical with the mark of up-to-date video segment, and sends to terminal unit
Target restructuring video segment.
Further, server can by N number of restructuring video segment except target restructuring video segment in addition to restructuring regard
Frequency section is defined as the caching restructuring video segment that terminal unit is corresponding, and the caching restructuring video caching terminal unit corresponding is cut
Sheet, so that server is receiving video request message that terminal unit sends, that include the mark of caching restructuring video segment
Afterwards, caching restructuring video segment is sent to terminal unit.
Exemplary, it is assumed that being designated 0011, lose video segment of the video segment that terminal unit the last time downloads
Be designated 0012,0013,0014, it is further assumed that preset reformulation rule for being a section by two slice graph display, accordingly, treat
Restructuring video segment be designated 0015,0016,0017, concrete, as shown in table 1:
Table 1
| The mark of the last video segment downloaded | 0011 |
| Lose the mark of video segment | 0012、0013、0014 |
| The mark of video segment to be reorganized | 0015、0016、0017 |
Loss video segment and video segment to be reorganized are recombinated by server according to default reformulation rule, concrete,
Video segment 0012 and video segment 0013 are recombinated, obtains the first restructuring video segment, to video segment 0014 with regard
Frequency section 0015 is recombinated, and obtains the second restructuring video segment, recombinates video segment 0016 and video segment 0017,
Obtain the 3rd restructuring video segment, and determine the mark of these three restructuring video segments, concrete, as shown in table 2:
Table 2
| The mark of the video segment that restructuring video segment includes | The mark of restructuring video segment |
| First restructuring video segment (0012,0013) | 0015 |
| Second restructuring video segment (0014,0015) | 0016 |
| 3rd restructuring video segment (0016,0017) | 0017 |
After server determines the mark of each restructuring video segment, it is designated 0015 due to up-to-date video segment,
Therefore, the first restructuring video segment, in these three restructuring video segments, is defined as target restructuring video segment by server, and
The first restructuring video segment is sent to terminal unit.
Further, server buffer second recombinate video segment and the 3rd restructuring video segment, so, work as terminal unit
When server sends the video request message including 0016, server sends the second restructuring video segment to terminal unit, when
Terminal unit is when server sends the video request message including 0017, and server sends the 3rd restructuring video to terminal unit
Section.
In above process, server determine obtain multiple restructuring video segment time, server is to multiple restructuring videos
Section is identified, to ensure that server can send correct restructuring video segment to terminal unit；Further, server
Partial video in multiple restructuring video segments is cut into slices and caches, to ensure that server regards to terminal unit transmission follow-up
During frequency section, correct video segment can be sent to terminal unit, to ensure that terminal unit can play continuous print video, enter
One step improves the video playing quality in program carousel.
Below, by the embodiment shown in Fig. 5, the method shown in above-described embodiment is described in detail, concrete, please
Embodiment shown in Figure 5.
The schematic flow sheet two of the carousel program control method for playing back that Fig. 5 provides for the present invention, refers to Fig. 5, the method
May include that
S501, terminal unit send index file request message to server；
S502, server send its currently stored up-to-date index file to terminal unit；
S503, terminal unit obtain the mark of the video segment that the last time downloads and in caching index file
New index file obtains the mark of up-to-date video segment；
The mark of the video segment that S504, terminal unit were downloaded according to the last time and the mark of up-to-date video segment, sentence
Loss video segment whether is there is between video segment and up-to-date video segment that disconnected the last time downloads；
The most then perform S505-S506；
If it is not, then perform S507；
S505, terminal unit send the video request message of the first kind, the video request of this first kind to server
Message includes the mark of up-to-date video segment；
S506, server send up-to-date video segment to terminal unit；
S507, terminal unit send the video request message of Second Type, the video request of this Second Type to server
Message includes mark and the mark of up-to-date video segment losing video segment；
S508, server, according to the number of loss video segment, obtain the mark of N number of video segment to be reorganized；
Loss video segment and N number of video segment to be reorganized are recombinated by S509, server, obtain N number of restructuring video
Section；
S510, server determine the mark of this N number of restructuring video segment according to the mark of N number of video segment to be reorganized；
S511, server send the target restructuring video segment identical with the mark of up-to-date video segment to terminal unit；
In S512, server buffer N number of restructuring video segment except target restructuring video segment in addition to caching restructuring video
Section.
In the embodiment shown in fig. 5, store index file in server, this index file includes that multiple video is cut
The mark of sheet, and the mark of the plurality of video segment includes the mark of up-to-date video segment to be played, server is according to video
The playing duration of section, is updated its index file stored, such as, when the playing duration of video segment is 5 seconds, then takes
The mark of the video segment in index file is updated once by business device every five seconds for example, concrete, increases up-to-date in indexed file
The mark of video segment, same to city, indexed file is deleted the mark playing the moment away from the farthest video segment of current time
Know.
For example, it is assumed that can store 10 video segments in index file, the playing duration of video segment is 5 seconds, it is assumed that
The index file that server stores at 10 is as shown in table 3:
Table 3
| 0020 |
| 0019 |
| …… |
| 0013 |
| 0012 |
| 0011 |
In the index file shown in table 3, the mark of video segment is the biggest, the broadcasting moment of video segment and current time
Between time difference the least, such as, in table 3, section mark 0020 be the mark of up-to-date video segment, and section identifies 0011 and is
Mark away from the farthest video segment of current time.
When 10 05 seconds, the index file shown in table 3 was updated by server, increases up-to-date video wherein and cuts
The mark of sheet, and delete the mark away from the farthest video segment of current time, concrete, index file such as table 4 institute after renewal
Show:
Table 4
| 0021 |
| 0020 |
| …… |
| 0014 |
| 0013 |
| 0012 |
In actual application, when terminal unit needs to the video segment that server request is new, terminal unit is first
Obtaining index file to server request, up-to-date index file transmission currently stored in server is then set by server to terminal
Standby；The last caching index file obtained to server request of terminal unit, and obtain in caching index file respectively
The mark of the nearly video segment once downloaded, obtains the mark of up-to-date video segment in up-to-date index file.
If terminal unit judges to there is not loss video between the last video segment and the up-to-date video segment downloaded
Section, then obtain up-to-date video segment to server request.
If terminal unit judges that there is loss video between the last video segment and the up-to-date video segment downloaded cuts
Sheet, then recombinate to loss video segment and up-to-date video segment to server request, and enters the video segment after restructuring
Row is play.It should be noted that the process that loss video segment and up-to-date video segment are recombinated by server, in Fig. 3 institute
The embodiment shown describes in detail, the most no longer repeats.
Below, by concrete example, the method shown in Fig. 5 embodiment is described in detail.
Exemplary, it is assumed that in terminal unit, the caching index file of caching is as shown in table 5:
Table 5
| 0010 |
| 0009 |
| …… |
| 0003 |
| 0002 |
| 0001 |
After terminal unit has downloaded video segment 0010, there is card in the network of terminal unit, at terminal unit
When network recovery is normal, terminal unit obtains up-to-date index file to server request, concrete, up-to-date index file such as table 6
Shown in:
Table 6
| 0014 |
| 0013 |
| …… |
| 0007 |
| 0006 |
| 0005 |
Terminal unit obtains the mark of the video segment that the last time downloads in the caching index file shown in table 5
0010, terminal unit obtains the mark 0014 of up-to-date video segment in the up-to-date index file shown in table 6, terminal unit according to
The last mark (0010) of video segment downloaded and the mark (0014) of up-to-date video segment determine that video is lost in existence
Section, that loses video segment is designated 0011,0012 and 0013.
Terminal unit sends video request message to server, and this video request message includes the mark losing video segment
Know (0011,0012 and 0013) and the mark 0014 of up-to-date video segment, in server includes according to video request message
Hold (including the mark losing video segment), determine that loss video segment and up-to-date video segment are recombinated by needs.
Assume to preset reformulation rule for recombinate two video segments, then server is according to losing the individual of video segment
Number, determines the mark 0014,0015,0016 of video segment to be reorganized.Server is to video segment 0011 and video segment 0012
Recombinate, obtain the first restructuring and video segment, video segment 0013 and video segment 0014 are recombinated, obtains second
Restructuring video segment, recombinates to video segment 0015 and video segment 0016, obtains the 3rd restructuring video segment.Server
Also determine that the first restructuring video segment is designated 0014, second restructuring video segment be designated 0015, the 3rd restructuring video
That cuts into slices is designated 0016.Server sends the first restructuring video segment to terminal unit, so that terminal unit is to the first restructuring
Video segment plays out, and cache the second restructuring video segment and the 3rd restructuring video segment, and terminal unit next time to
When server sends video request, send the second restructuring video segment to terminal unit, go up again once to service at terminal unit
When device sends video request, send the 3rd restructuring video segment to terminal unit.
On the basis of any one embodiment above-mentioned, optionally, after program carousel starts, terminal unit can not
The network condition that disconnected monitoring is current, optionally, the byte stream can downloaded by buffer area and download time judge current net
Network；If it is abnormal to detect that network occurs, and network does not recover normal within preset duration (such as, 2 minutes), then point out net
The information of network exception is to user；If network is network recovery within preset duration (such as, 2 minutes), then terminal unit can be to
Server sends the video request information of Second Type, can include terminal unit in the video request information of this Second Type
Playout delay, so that server is according to this Playout delay, determines loss video segment, and to losing video segment and up-to-date video
Section is recombinated, and the restructuring video segment after terminal unit sends restructuring, and then it is discontinuous to avoid terminal unit to play
Video.
The structural representation of the terminal unit that Fig. 6 provides for the present invention, refers to Fig. 6, and this terminal unit may include that
First acquisition module 601, for obtaining mark and the clothes of the video segment that described terminal unit the last time downloads
The mark of up-to-date video segment to be played in business device；
Judge module 602, cuts for the mark according to the described the last video segment downloaded and described up-to-date video
The mark of sheet, it is judged that whether there is loss video between described the last video segment and the described up-to-date video segment downloaded
Section；
Second acquisition module 603, for described judge module 602 judge the described the last video segment downloaded and
When there is loss video segment between described up-to-date video segment, obtain described loss video segment and institute to server request
State the restructuring video segment after up-to-date video segment is recombinated, described restructuring video segment at least includes described loss video
Section.
Terminal unit shown in the embodiment of the present invention can perform the technical scheme shown in said method embodiment, and it realizes
Principle and beneficial effect are similar to, and the most no longer repeat.
In a kind of possible embodiment, the first acquisition module 601 specifically for:
Obtain the caching index file in described terminal unit, and in described caching index file, obtain described nearest one
The mark of the video segment of secondary download；
Up-to-date index file currently stored in described server is obtained to described server request, and at described up-to-date rope
Quotation part obtains the mark of described up-to-date video segment.
In alternatively possible embodiment, described second acquisition module 603 specifically for:
Sending video request message to described server, described video request message includes described up-to-date video segment
Mark and the mark of described loss video segment；
Receive the restructuring video segment that described server sends；Wherein, described restructuring video segment includes described loss
Video segment, or, described restructuring video segment includes described loss video segment and described up-to-date video segment.
Terminal unit shown in the embodiment of the present invention can perform the technical scheme shown in said method embodiment, and it realizes
Principle and beneficial effect are similar to, and the most no longer repeat.
The structural representation one of the server that Fig. 7 provides for the present invention, refers to Fig. 7, and this server may include that
Receiver module 701, the video request message sent for receiving terminal apparatus, described video request message includes
Lose mark and the mark of up-to-date video segment of video segment；
Recombination module 702, for according to the number of described loss video segment, to described loss video segment and described
New video section is recombinated, and obtains video segment of recombinating；
Sending module 703, for sending described restructuring video segment to described terminal unit.
Server shown in the embodiment of the present invention can perform the technical scheme shown in said method embodiment, and it realizes principle
And beneficial effect is similar to, the most no longer repeat.
The structural representation two of the server that Fig. 8 provides for the present invention, on the basis of embodiment illustrated in fig. 7, refers to
Fig. 8, described recombination module 702 includes the first acquiring unit 7021, second acquisition unit 7022 and recomposition unit 7023, wherein,
Described first acquiring unit 7021 is used for, and obtains the number of described loss video segment；
Described second acquisition unit 7022 is used for, and according to the number of described loss video segment, obtains N number of video to be reorganized
The mark of section, wherein said N number of video segment to be reorganized includes described up-to-date video segment and described up-to-date video segment
N-1 afterwards video segment to be played, described N is the positive integer more than or equal to 1；
Described recomposition unit 7023 is used for, and described loss video segment and described N number of video segment to be reorganized carry out weight
Group, obtains N number of restructuring video segment.
In alternatively possible embodiment, described server also includes determining module 704, wherein,
Described determine module 704 for, described recomposition unit 7023 to described loss video segment and described N number of treat weight
After group video segment is recombinated, according to the mark of each described video segment to be reorganized, determine each described restructuring video segment
Mark.
In alternatively possible embodiment, described server also includes acquisition module 705, wherein,
Described acquisition module 705 is used for, and in described N number of restructuring video segment, obtains and described up-to-date video segment
Identify identical target restructuring video segment；
Accordingly, described sending module 703 is for sending described target restructuring video segment to described terminal unit.
In alternatively possible embodiment, described server also includes cache module 706, wherein,
Described acquisition module 705 is additionally operable to, and sends the restructuring of described target at described sending module 703 to described terminal unit
After video segment, by described N number of restructuring video segment except described target restructuring video segment in addition to restructuring video segment
It is defined as the caching restructuring video segment that described terminal unit is corresponding；
Accordingly, described cache module 706 is used for, and caches the caching restructuring video segment that described terminal unit is corresponding, with
Make described server receive described terminal unit send, include described caching restructuring video segment mark video please
After seeking message, send described caching restructuring video segment to described terminal unit.
Server shown in the embodiment of the present invention can perform the technical scheme shown in said method embodiment, and it realizes principle
And beneficial effect is similar to, the most no longer repeat.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each method embodiment can be led to
The hardware crossing programmed instruction relevant completes.Aforesaid program can be stored in a computer read/write memory medium.This journey
Sequence upon execution, performs to include the step of above-mentioned each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a carousel program control method for playing back, it is characterised in that be applied to terminal unit, described method includes:
Obtain up-to-date video to be played in the mark of video segment and server that described terminal unit the last time downloads to cut
The mark of sheet；
Mark according to the described the last video segment downloaded and the mark of described up-to-date video segment, it is judged that described recently
Loss video segment whether is there is between video segment and the described up-to-date video segment once downloaded；
The most then obtain the weight after described loss video segment and described up-to-date video segment are recombinated to server request
Group video segment, at least includes described loss video segment in described restructuring video segment.
Method the most according to claim 1, it is characterised in that what described acquisition described terminal unit the last time downloaded regards
The mark of frequency section, including:
Obtain the caching index file in described terminal unit, and obtain under described the last time in described caching index file
The mark of the video segment carried；
The mark of up-to-date video segment to be played in described acquisition server, including:
Obtain the up-to-date index file in described server to described server request, and obtain in described up-to-date index file
The mark of described up-to-date video segment.
Method the most according to claim 2, it is characterised in that described loss video is cut by described acquisition to server request
Sheet and described up-to-date video segment recombinate after restructuring video segment, including:
Sending video request message to described server, described video request message includes the mark of described up-to-date video segment
Mark with described loss video segment；
Receive the restructuring video segment that described server sends；Wherein, described restructuring video segment includes described loss video
Section, or, described restructuring video segment includes described loss video segment and described up-to-date video segment.
4. a carousel program control method for playing back, it is characterised in that be applied to server, described method includes:
Receiving terminal apparatus send video request message, described video request message include lose video segment mark and
The mark of up-to-date video segment；
According to the number of described loss video segment, described loss video segment and described up-to-date video segment are recombinated,
Obtain video segment of recombinating；
Described restructuring video segment is sent to described terminal unit.
Method the most according to claim 4, it is characterised in that according to the number of described loss video segment, lose described
Lose video segment and described up-to-date video segment is recombinated, determine restructuring video segment, including:
Obtain the number of described loss video segment；
According to the number of described loss video segment, obtain the mark of N number of video segment to be reorganized, wherein said N number of to be reorganized
Video segment includes the N-1 after described up-to-date video segment and described up-to-date video segment video segment to be played, institute
Stating N is the positive integer more than or equal to 1；
Described loss video segment and described N number of video segment to be reorganized are recombinated, obtains N number of restructuring video segment.
Method the most according to claim 5, it is characterised in that to described loss video segment with described N number of to be reorganized regard
After frequency section is recombinated, also include:
According to the mark of each described video segment to be reorganized, determine the mark of each described restructuring video segment.
7. according to the method described in claim 5 or 6, it is characterised in that described to described terminal unit send described restructuring regard
Frequency section, including:
In described N number of restructuring video segment, obtain the target restructuring video identical with the mark of described up-to-date video segment and cut
Sheet；
Described target restructuring video segment is sent to described terminal unit.
Method the most according to claim 7, it is characterised in that if described N is more than 1, sends described to described terminal unit
After target restructuring video segment, also include:
Restructuring video segment in addition to described target restructuring video segment in described N number of restructuring video segment is defined as described
The caching restructuring video segment that terminal unit is corresponding；
Cache the caching restructuring video segment that described terminal unit is corresponding, so that described server is receiving described terminal unit
Send, include described caching restructuring video segment mark video request message after, to described terminal unit send institute
State caching restructuring video segment.
9. a terminal unit, it is characterised in that including:
First acquisition module, in the mark obtaining the video segment that described terminal unit the last time downloads and server
The mark of up-to-date video segment to be played；
Judge module, for the mark according to the described the last video segment downloaded and the mark of described up-to-date video segment
Know, it is judged that between described the last video segment and the described up-to-date video segment downloaded, whether there is loss video segment；
Second acquisition module, for judging the video segment of described the last download and described up-to-date regarding at described judge module
When there is loss video segment between frequency section, obtain described loss video segment and described up-to-date video to server request
Section recombinate after restructuring video segment, described restructuring video segment at least includes described loss video segment.
10. a server, it is characterised in that including:
Receiver module, the video request message sent for receiving terminal apparatus, described video request message includes that loss regards
The mark of frequency section and the mark of up-to-date video segment；
Recombination module, for the number according to described loss video segment, to described loss video segment and described up-to-date video
Section is recombinated, and obtains video segment of recombinating；
Sending module, for sending described restructuring video segment to described terminal unit.
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