CN105959746A - File generation method and apparatus - Google Patents
File generation method and apparatus Download PDFInfo
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- CN105959746A CN105959746A CN201610382597.XA CN201610382597A CN105959746A CN 105959746 A CN105959746 A CN 105959746A CN 201610382597 A CN201610382597 A CN 201610382597A CN 105959746 A CN105959746 A CN 105959746A
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- file
- advertisement
- transmission flow
- flow fragmentation
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Classifications
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- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2668—Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles
-
- 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
- H04N21/26208—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 the scheduling operation being performed under constraints
- H04N21/26241—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 the scheduling operation being performed under constraints involving the time of distribution, e.g. the best time of the day for inserting an advertisement or airing a children program
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a file generation method and apparatus, being applied to a server. The file generation method includes the steps: acquiring a first index plain text file of a target video and a second index plain text file of an advertisement to be injected, wherein the time duration and the address of each transport stream fragment of the target video are recorded in the first index plain text file and the time duration and the address of each transport stream fragment of the advertisement to be injected are recorded in the second index plain text file; according to the starting point of the playing time of the advertisement to be injected, determining the insertion position of each transport stream fragment recorded in the second index plain text file; and according to the first index plain text file, the second index plain text file and the insertion position, generating a third index plain text file of the target video so as to play the target video according to the third index plain text file. By means of the scheme of the file generation method and apparatus, the smooth degree of playing of the video can be improved, and dynamic implantation of the advertisement can be realized.
Description
Technical field
The present invention relates to video display arts field, particularly to a kind of document generating method and device.
Background technology
Along with video technique and the development of advertisement technology, it is generally the case that advertisement can be inserted in video,
So that playing the advertisement inserted during video playback.
At present, playing advertisement during video playback, common mode is: the index obtaining video is pure
The index text-only file of text and advertisement, wherein, index text-only file in record have video or
The duration of each transmission flow fragmentation of advertisement and address；During video playback, when arriving advertisement
During reproduction time, call the index text-only file of advertisement, according to record in the index text-only file of advertisement
The duration of advertisement transport streams burst and address, play the ad content that advertisement burst is corresponding；When advertisement is broadcast
After discharging into, recall the index text-only file of video, according to record in the index text-only file of video
The duration of transmission of video flow fragmentation and address, play the ad content that video slicing is corresponding.
But, video and/or advertisement should be play in manner just described, when video and advertisement switch, can go out
Existing video and advertisement are play slack phenomenon and are occurred, and such as blank screen or display load player etc..
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of document generating method and device, to solve at video
When switching with advertisement, play slack problem, and advertisement can be realized dynamically implant.Concrete technical side
Case is as follows:
First aspect, embodiments provides a kind of document generating method, is applied to server,
Method includes:
Obtain the first index text-only file of target video and the second of advertisement to be put indexes pure
Text, in described first index text-only file, record has described target video each transmission flow fragmentation
Duration and address, described second index text-only file in record have described each advertisement to be put to pass
The duration of defeated flow fragmentation and address；
Reproduction time starting point according to advertisement to be put, determines in described second index text-only file
The on position of each transmission flow fragmentation of record；
According to described first index text-only file, described second index text-only file and described insertion position
Put, generate the 3rd index text-only file of described target video, with according to described 3rd index plain text literary composition
Part plays described target video.
Optionally, the reproduction time starting point of described advertisement to be put, including:
In the head of described target video or run-out or sheet.
Optionally, the feelings in the sheet that reproduction time starting point is described target video of described advertisement to be put
Under condition, the described reproduction time starting point according to advertisement to be put, determine described second index plain text
The on position of each transmission flow fragmentation of record in file, including:
According to the reproduction time starting point of described advertisement to be put, determine adjacent with described advertisement to be put
The transmission flow fragmentation of described target video；
Transmit flow fragmentation determined by exist in the case of two, by determined by two transmission flow fragmentations
Centre position, is defined as the corresponding insertion transmitting flow fragmentation of record in described second index text-only file
Position；
Transmit flow fragmentation determined by exist in the case of one, according to determined by transmit flow fragmentation corresponding
Reproduction time scope, determine the corresponding transmission flow fragmentation of record in described second index text-only file
On position.
Optionally, described according to described first index text-only file, described second index text-only file with
And described on position, generate the 3rd index text-only file of described target video, including:
According to described on position, by the advertisement described to be put of record in described second index text-only file
The duration of each transmission flow fragmentation and address, be inserted in described first index text-only file.
Optionally, described according to described first index text-only file, described second index text-only file with
And described on position, generate the 3rd index text-only file of described target video, including:
Create and newly index text-only file；
According to described on position, by the described target video of record in described first index text-only file
The duration of each transmission flow fragmentation and address, and described second index text-only file are treated described in record
Throw in duration and the address of advertisement each transmission flow fragmentation, be inserted in described new index text-only file.
Optionally, described method also includes:
Obtain and replace advertisement；
Determining transmission flow fragmentation to be replaced, wherein, described transmission flow fragmentation to be replaced is target video
Transmission flow fragmentation；
According to described replacement advertisement and described transmission flow fragmentation to be replaced, generate and store new transmission stream
Burst；
By the duration in described 3rd index text-only file corresponding for described transmission flow fragmentation to be replaced with
And address, replace with duration and the address of the described new transmission flow fragmentation of storage.
Second aspect, the embodiment of the present invention additionally provides a kind of file creating apparatus, is applied to server,
Device includes:
First obtains module, for obtaining the first index text-only file and to be put of target video
Second index text-only file of advertisement, in described first index text-only file, record has described target
The duration of video each transmission flow fragmentation and address, record in described second index text-only file
State duration and the address of advertisement to be put each transmission flow fragmentation；
First determines module, for according to the reproduction time starting point of advertisement to be put, determines described the
The on position of each transmission flow fragmentation of record in two index text-only files；
First generation module, for according to described first index text-only file, described second index plain text
File and described on position, generate the 3rd index text-only file of described target video, with according to institute
State the 3rd index text-only file and play described target video.
Optionally, the reproduction time starting point of described advertisement to be put, including:
In the head of described target video or run-out or sheet.
Optionally, described first determines module, specifically for:
According to the reproduction time starting point of described advertisement to be put, determine adjacent with described advertisement to be put
The transmission flow fragmentation of described target video；
Transmit flow fragmentation determined by exist in the case of two, by determined by two transmission flow fragmentations
Centre position, is defined as the corresponding of record in described second index text-only file and transmits inserting of flow fragmentation
Enter position；
Transmit flow fragmentation determined by exist in the case of one, according to determined by transmit flow fragmentation corresponding
Reproduction time scope, determine described second index text-only file in record transmit flow fragmentation accordingly
On position.
Optionally, described first generation module, specifically for:
According to described on position, by the advertisement described to be put of record in described second index text-only file
The duration of each transmission flow fragmentation and address, be inserted in described first index text-only file.
Optionally, described first generation module, specifically for:
Create and newly index text-only file；
According to described on position, by the described target video of record in described first index text-only file
The duration of each transmission flow fragmentation and address, and described second index text-only file are treated described in record
Throw in duration and the address of advertisement each transmission flow fragmentation, be inserted in described new index text-only file.
Optionally, described device also includes:
Second obtains module, is used for obtaining replacement advertisement；
Second determines module, for determining transmission flow fragmentation to be replaced, wherein, described transmission to be replaced
Flow fragmentation is the transmission flow fragmentation of target video；
Second generation module, for according to described replacement advertisement and described transmission flow fragmentation to be replaced, raw
Become and store new transmission flow fragmentation；
Replacement module, for by described 3rd index plain text literary composition corresponding for described transmission flow fragmentation to be replaced
Duration in part and address, replace with duration and the address of the described new transmission flow fragmentation of storage.
As seen from the above technical solutions, embodiments provide a kind of document generating method and device,
Being applied to server, method includes: obtains the first index text-only file of target video and waits to throw
Putting the second index text-only file of advertisement, in this first index text-only file, record has target video
The duration of each transmission flow fragmentation and address, in the second index text-only file, record has each to be put
The duration of advertisement transport streams burst and address；Reproduction time starting point according to advertisement to be put, really
The on position of each transmission flow fragmentation of record in fixed second index text-only file；According to the first index
Text-only file, the second index text-only file and on position, generate the 3rd rope of described target video
Draw text-only file, to play described target video according to the 3rd index text-only file.
A kind of document generating method of application embodiment of the present invention offer and device, by pure for the index of advertisement literary composition
Presents is integrated into an index text-only file, at video with the index text-only file of video to be played
In playing process, when video and advertisement switch, only with a duration comprising transmission of video flow fragmentation and
The index text-only file of address and the duration of advertisement transport streams burst and address i.e. can play video with wide
Accuse, it is not necessary to call the index text-only file of advertisement, and then the smooth degree of raising video playback, Yi Jike
Dynamically implant realizing advertisement.Certainly, arbitrary product or the method for implementing the present invention must be not necessarily required to simultaneously
Reach all the above advantage.
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 enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of document generating method that Fig. 1 is provided by the embodiment of the present invention；
The schematic flow sheet of the another kind of document generating method that Fig. 2 is provided by the embodiment of the present invention；
The structural representation of a kind of file creating apparatus that Fig. 3 is provided by the embodiment of the present invention；
The structural representation of the another kind of file creating apparatus that Fig. 4 is provided by the embodiment of the present invention.
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 clearly
Chu, be fully described by, it is clear that described embodiment be only 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 are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of document generating method and device, to solve in video display process,
When video and advertisement switch, play not smooth problem, and advertisement can be realized dynamically implant.
It should be noted that a kind of document generating method that the embodiment of the present invention is provided is applied to service
Device.
A kind of document generating method provided the embodiment of the present invention first below is introduced.
As it is shown in figure 1, a kind of document generating method that the embodiment of the present invention is provided, can include as
Lower step:
S101, it is thus achieved that the first index text-only file and the second rope of advertisement to be put of target video
Draw text-only file；
Described first index text-only file in record have described target video each transmission flow fragmentation time
Length and address, in described second index text-only file, record has described advertisement to be put each transmission stream
The duration of burst and address；
Wherein, after obtaining the first index text-only file, i.e. video index text-only file, service
Address in index text-only file is split to identify address by device.The embodiment of the present invention is address
Fractionation provide optimize, method particularly includes: will determine that the Pattern class just-ahead-of-time compilation of character is good, save
The time that it is compiled by each judgement.
It is emphasized that index text-only file mentioned above is M3U file, specifically with
Coding form encodes and obtains, and for example, index text-only file can be to encode lattice based on UTF-8
The index text-only file of formula.Need further exist for it is emphasized that the first rope of above-mentioned acquisition target video
The step of the second index text-only file drawing text-only file and advertisement to be put is each user
After secondary request in real time or obtain, say, that the ad content put in video be request with
After, calculate according to user data and obtain, and then make thrown ad content be liked advertisement by user.
A special identifier symbol is set it should be noted that the embodiment of the present invention is each advertisement, with
Distinguish the reproduction time starting point of advertisement, concrete, when not having special identifier to accord with, this advertisement is described
Reproduction time starting point, in video title, is signposted before being or front slotting advertisement；When special identifier accords with e
During beginning, illustrate that the reproduction time starting point of this advertisement, at video run-out, is signposted after being or inserts wide afterwards
Accuse；When special identifier symbol starts with r, illustrate that this advertisement, for replacing advertisement, i.e. utilizes this advertisement
Transmission flow fragmentation replaces the transmission flow fragmentation of advertisement to be replaced；When special identifier symbol is for time point, say
The reproduction time starting point of this advertisement bright is in piece of video, inserts advertisement in being.Need further exist for explanation
Be, when have multiple before signpost or be multiple after signpost or time point have multiple in insert advertisement
During insertion, the playing sequence of advertisement is according to the played in order of advertisement incoming index text-only file.
S102, according to the reproduction time starting point of advertisement to be put, determines described second index plain text
The on position of each transmission flow fragmentation of record in file；
The reproduction time starting point of described advertisement to be put includes: the head of described target video or run-out or sheet
In, respectively the type of corresponding advertisement signpost before being, after signpost and in insert advertisement.
In the case of in the sheet that reproduction time starting point is described target video of described advertisement to be put, i.e.
When advertisement to be put inserts advertisement in being, according to the reproduction time starting point of advertisement to be put, determine described
The on position of each transmission flow fragmentation of record in second index text-only file.Concrete grammar includes:
According to the reproduction time starting point of described advertisement to be put, determine the institute adjacent with described advertisement to be put
State the transmission flow fragmentation of target video；
In the case of transmitting flow fragmentation existence two determined by, the reproduction time starting point of advertisement the most to be put
Be two transmission flow fragmentations alt time points, then by determined by two transmission flow fragmentations centre positions,
It is defined as the corresponding on position transmitting flow fragmentation of record in described second index text-only file；
In the case of transmitting flow fragmentation existence one determined by, the reproduction time starting point of advertisement to be thrown is
Within one transmission flow fragmentation duration, then transmit the reproduction time scope that flow fragmentation is corresponding determined by basis,
Determine the corresponding on position transmitting flow fragmentation of record in described second index text-only file.Citing
For, it is assumed that one transmission flow fragmentation reproduction time be in video the 10th point 56 seconds to the 11st point 07 second,
And the reproduction time starting point of second index one of them advertisement to be put of text-only file is the 10 in video
Points 59 seconds, then belong to the reproduction time starting point of advertisement to be thrown be one transmit flow fragmentation duration within situation.
Server is learnt through judgement, compared with the 11st point 07 second, the sart point in time 10 points of this transmission flow fragmentation 56 seconds
Apart from advertisement to be put reproduction time starting point the 10th point 59 seconds closer to, so indexing pure literary composition by described second
In presents, the on position of the corresponding transmission flow fragmentation of record is defined as the 10th point 56 seconds.
It is emphasized that the advertisement to be thrown that the present embodiment is previously mentioned can be in the second index text-only file
Advertisement arbitrary to be thrown, say, that although in the embodiment of the present invention with to one to be put in insert wide
The insertion process accused introduces the method that the embodiment of the present invention is provided, but, when processing the second index
When inserting advertisement in arbitrary to be put in text-only file, all can perform the embodiment of the present invention is provided
Insertion method so that advertisement to be put is play in video.
Also, it will be readily appreciated that, during actual video tour, the broadcasting of advertisement to be put
Start time is the most more concentrated.Therefore, the embodiment of the present invention is in order to time-consuming, for waiting to throw
When putting the on position of reproduction time starting point calculating transmission flow fragmentation of advertisement, set up indexed cache for it,
To store the mapping pass between the reproduction time starting point of advertisement to be put and the on position of transmission flow fragmentation
System.For example, the reproduction time starting point of Current ad be video the 10th point 59 seconds, and through meter
Calculate draw advertisement to be thrown transmit flow fragmentation on position be the 10th point 56 seconds, then by 10 point 59
Second sets up with 10 points and maps for 56 seconds, say, that when in above-mentioned second index text-only file, other wait to make a basket
When the reproduction time starting point of slotting advertisement is similarly 10 points and 59 seconds, server can directly find according to mapping
The on position of transmission flow fragmentation, it is not necessary to calculate, and then saving process time.It is emphasized that this reflects
The relation of penetrating utilizes hash data structure to store.
S103, according to described first index text-only file, described second index text-only file and described
On position, generates the 3rd index text-only file of described target video, with pure according to described 3rd index
Text plays described target video.
Wherein, according to described first index text-only file, described second index text-only file and described
On position, generates the 3rd index text-only file of described target video, and concrete grammar includes:
According to described on position, by described second index text-only file record described to be put extensively
Accuse duration and the address of each transmission flow fragmentation, be inserted in described first index text-only file；
Or, create and newly index text-only file, then according to described on position, by described first index
The duration of the described target video each transmission flow fragmentation recorded in text-only file and address, and described
The duration of the advertisement described to be put each transmission flow fragmentation recorded in the second index text-only file and ground
Location, is inserted in described new index text-only file.Simultaneously to first index the temporary transient labelling of text-only file without
Criterion is known, and the purpose of do so is, helps server to find the index text-only file needing to play.With
Under, as a example by the 3rd index text-only file is generated by above-mentioned latter method, the embodiment of the present invention is provided
Method be described in detail.
Assume that the first index text-only file form of video is as follows:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:7, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 3
#EXTINF:10, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 4
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 5.
A second index text-only file wherein advertisement transport streams burst to be put of advertisement is as follows:
#EXTINF:3, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://addvertisement/index138745 [138745] .ts//No. 1
#EXTINF:4, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138746 [138746] .ts//No. 2.
Signposting before this advertisement is, the 3rd index text-only file after generation is:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:3, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://addvertisement/index138745 [138745] .ts//No. 1
#EXTINF:4, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138746 [138746] .ts//No. 2
#EXTINF:8, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 3
#EXTINF:9, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 4
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http:/video/index121158 [121158] .ts//No. 5
#EXTINF:10, // No. 6 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 6
#EXTINF:7, // No. 7 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 7.
Signposting after this advertisement is, the 3rd index text-only file after generation is:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:7, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 3
#EXTINF:10, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 4
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 5
#EXTINF:3, // No. 6 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138745 [138745] .ts//No. 6
#EXTINF:4, // No. 7 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138746 [138746] .ts//No. 7.
In this advertisement is, inserts advertisement, and when advertisement reproduction time starting point is the 35th second, calculating is learnt, the 35th
Second is in the reproduction time of the 5th transmission flow fragmentation.Know the play start time of the 5th transmission flow fragmentation again
Point is the 34th second, terminate reproduction time is that (play start time was added up by front 4 transmission flow fragmentations in the 41st second
And obtain, play the end time by play start time increase the 5th transmission flow fragmentation and obtain), compare the 41st second,
34th second from the 35th second closer to, therefore, the transmission flow fragmentation on position of advertisement is the 34th second, accordingly,
After moving to advertisement after 5th transmission flow fragmentation, and then the 3rd index text-only file after generation is:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:7, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 3
#EXTINF:10, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 4
#EXTINF:3, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement index138745 [138745] .ts//No. 5
#EXTINF:4, // No. 6 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138746 [138746] .ts//No. 6
#EXTINF:7, // No. 7 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 7.
Advertisement is inserted in this advertisement is, and when advertisement reproduction time starting point is the 15th second, according to calculating, the 15th
Second is by chance the original position of the 3rd transmission of video flow fragmentation, therefore, by the transmission of video flow fragmentation of advertisement
Address and duration are inserted into the 15th second, move after corresponding 3rd, 4,5 transmission flow fragmentations, and then generate
Index text-only file is:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:3, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement index138745 [138745] .ts//No. 3
#EXTINF:4, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://addvertisement/index138746 [138746] .ts//No. 4
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 5
#EXTINF:10, // No. 6 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 6
#EXTINF:7, // No. 7 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 7.
It should be noted that transmission flow fragmentation mentioned above is simply by regarding that explanation the present embodiment is provided
Frequently generation method and produce, any word therein, sequence do not have practical significance.
It is understood that the 3rd index file that either any method in both the above method generates,
Being required for calculating the maximum duration of transmission of video flow fragmentation, circular can include；Index first
In text-only file, in transmission of video flow fragmentation, the longest duration and second indexes advertisement to be thrown in text-only file
In transmission flow fragmentation, the longest duration compares, thus draws maximum duration；Or from the 3rd index plain text
Transmission flow fragmentation in file filters out the longest burst duration as maximum duration.
It is emphasized that owing to operation object is plain text index file, generating the 3rd plain text index
During file, character string can be operated in a large number, make video playback more to reduce the server process time
Adding smoothness, the embodiment of the present invention additionally provides the optimization to string operation, uses Rope structure to character string
It is addressed.Concrete grammar is, when operating character string, no longer by side character string copied
Formula stores, but is the address creation link of target string, and records character string total length, to reach
Purpose to fast searching character string.Need further exist for it is emphasized that remove Rope structure and character string is sought
Outside location, the method moved after the concrete above-mentioned transmission flow fragmentation being previously mentioned, realize for prior art, at this not
Repeat.
It should be noted that in " the first index text-only file " mentioned in the embodiment of the present invention " the
In " second ", " the 3rd index text-only file " one " and in " the second index text-only file " " the
Three " it is used only for from name, distinguish index text-only file, not there is any limiting meaning.
It is understood that a kind of document generating method that the embodiment of the present invention is provided, by the index of advertisement
Text-only file is integrated into an index text-only file with the index text-only file of video to be played, is regarding
In the playing process of frequency, when video and advertisement switch, only with a duration comprising transmission of video flow fragmentation
And the index text-only file of address and the duration of advertisement transport streams burst and address i.e. can play video
And advertisement, it is not necessary to call the index text-only file of advertisement, and then the smooth degree of raising video playback, with
And advertisement can be realized dynamically implant.
Further, on the basis of Fig. 1, as in figure 2 it is shown, a kind of literary composition that the embodiment of the present invention is provided
Part generates method can also include step:
S104, it is thus achieved that replace advertisement；
It is emphasized that above-mentioned replacement advertisement can be advertiser provide video, picture etc., it is assumed that
Replacing advertisement is video A.
S105, determines transmission flow fragmentation to be replaced, and wherein, described transmission flow fragmentation to be replaced is target
The transmission flow fragmentation of video；
Concrete, in actual applications, the transmission flow fragmentation that can user be selected is defined as biography to be replaced
Defeated flow fragmentation；The transmission flow fragmentation that position in the video that can also advertiser be specified is corresponding, is defined as treating
The transmission flow fragmentation replaced；Frame of video can also be identified, the transmission that the frame of video that will identify that is corresponding
Flow fragmentation, is defined as transmission flow fragmentation to be replaced.Exemplary, it is assumed that the advertisement that advertiser provides is pin
Picture to basketball stands, therefore, it can be analyzed frame of video identifying, will comprise basketball stands in video
The transmission flow fragmentation that frame of video is corresponding, is defined as transmission flow fragmentation to be replaced.Concrete, frame of video is entered
Row is identified as prior art, and it is not repeated by the embodiment of the present invention at this.
The index text-only file assuming video is:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:7, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 3
#EXTINF:10, // No. 4 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121159 [121159] .ts//No. 4
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 5.
Assume that the transmission flow fragmentation to be replaced determined is No. 4 transmission flow fragmentations.
S106, according to described replacement advertisement and described transmission flow fragmentation to be replaced, generates and stores new
Transmission flow fragmentation；
Address according to the transmission flow fragmentation to be replaced (No. 4 transmission flow fragmentations) determined, it is thus achieved that No. 4 biographies
The video content that defeated flow fragmentation is corresponding, according to above-mentioned replacement advertisement video A, and No. 4 transmission flow fragmentations pair
The video content answered, generates new transmission flow fragmentation, and is stored by new transmission flow fragmentation, it is assumed that new
Transmission flow fragmentation storage address be: http://replaceable.segment/index198115 [198115] .ts.
It is emphasized that the duration of newly-generated transmission flow fragmentation can be with described transmission flow point to be replaced
Sheet time length is consistent.Above-mentioned newly-generated transmission flow fragmentation can be 1, naturally it is also possible to be 2 or
Person 3 or 4 or more.
It should be noted that generate new according to described replacement advertisement and described transmission flow fragmentation to be replaced
Transmission flow fragmentation is prior art, and it is not repeated by the embodiment of the present invention at this.
S107, by described 3rd index text-only file corresponding for described transmission flow fragmentation to be replaced time
Length and address, replace with duration and the address of the described new transmission flow fragmentation of storage.
Assume that duration and No. 4 transmission flow fragmentation durations of the new transmission flow fragmentation of generation are identical.Then will wait to replace
The duration transmitted in the index text-only file that flow fragmentation is corresponding changed and address, replace with the new of storage
After the duration of transmission flow fragmentation and address, the content of index text-only file is as follows:
#EXTM3U//M3U file identification
#EXT-X-MEDIA-SEQUENCE:121156//transmission flow fragmentation sequence number
#EXT-X-TARGETDURATION:10//maximum transmitted flow/time length
#EXTINF:8, // No. 1 transmission flow fragmentation duration
Transmission flow fragmentation address, http://video/index121156 [121156] .ts//No. 1
#EXTINF:9, // No. 2 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121157 [121157] .ts//No. 2
#EXTINF:7, // No. 3 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121158 [121158] .ts//No. 3
#EXTINF:10, // new (No. 4) transmission flow fragmentation duration
Http:// replaceable.segment/index198115 [198115] .ts//new (No. 4) transmission flow fragmentation
Address
#EXTINF:7, // No. 5 transmission flow fragmentation durations
Transmission flow fragmentation address, http://video/index121160 [121160] .ts//No. 5.
It is understood that a kind of document generating method that the embodiment of the present invention is provided, by the index of advertisement
Text-only file is integrated into an index text-only file with the index text-only file of video to be played, is regarding
In the playing process of frequency, when video and advertisement switch, only with a duration comprising transmission of video flow fragmentation
And the index text-only file of address and the duration of advertisement transport streams burst and address i.e. can play video
And advertisement, it is not necessary to call the index text-only file of advertisement, and then the smooth degree of raising video playback, with
And advertisement can be realized dynamically implant.Further, it is achieved that embedded advertisement in video, now advertisement
Broadcasting do not affect video playback progress.
Corresponding to said method embodiment, the embodiment of the present invention additionally provides a kind of file creating apparatus,
It is applied to server, as it is shown on figure 3, this device may include that
First obtains module 310, for obtaining the first index text-only file of target video and treating
Throwing in the second index text-only file of advertisement, in described first index text-only file, record has described
The duration of target video each transmission flow fragmentation and address, record in described second index text-only file
There are duration and the address of described advertisement to be put each transmission flow fragmentation；
First determines module 320, for the reproduction time starting point according to advertisement to be put, determines institute
State the on position of each transmission flow fragmentation of record in the second index text-only file；
First generation module 330, for according to described first index text-only file, described second index pure
Text and described on position, generate the 3rd index text-only file of described target video, with root
Described target video is play according to described 3rd index text-only file.
Concrete, the reproduction time starting point of described advertisement to be put, including:
In the head of described target video or run-out or sheet.
Described first determines module 320, specifically for:
According to the reproduction time starting point of described advertisement to be put, determine adjacent with described advertisement to be put
The transmission flow fragmentation of described target video；
Transmit flow fragmentation determined by exist in the case of two, by determined by two transmission flow fragmentations
Centre position, is defined as the corresponding of record in described second index text-only file and transmits inserting of flow fragmentation
Enter position；
Transmit flow fragmentation determined by exist in the case of one, according to determined by transmit flow fragmentation corresponding
Reproduction time scope, determine described second index text-only file in record transmit flow fragmentation accordingly
On position.
Described first generation module 330, specifically for:
According to described on position, by described second index text-only file record described to be put extensively
Accuse duration and the address of each transmission flow fragmentation, be inserted in described first index text-only file.
Or, described first generation module 330, specifically for:
Create and newly index text-only file；
According to described on position, by the described target video of record in described first index text-only file
The duration of each transmission flow fragmentation and address, and described second index text-only file are treated described in record
Throw in duration and the address of advertisement each transmission flow fragmentation, be inserted in described new index text-only file.
It is understood that a kind of file creating apparatus that the embodiment of the present invention is provided, by the index of advertisement
Text-only file is integrated into an index text-only file with the index text-only file of video to be played, is regarding
In the playing process of frequency, when video and advertisement switch, only with a duration comprising transmission of video flow fragmentation
And the index text-only file of address and the duration of advertisement transport streams burst and address i.e. can play video
And advertisement, it is not necessary to call the index text-only file of advertisement, and then the smooth degree of raising video playback, with
And advertisement can be realized dynamically implant.
Further, in order to realize dynamically adding advertisement, on the basis of Fig. 3, as shown in Figure 4, this
A kind of file creating apparatus that bright embodiment is provided can also include:
Second obtains module 340, is used for obtaining replacement advertisement；
Second determines module 350, for determining transmission flow fragmentation to be replaced, wherein, described to be replaced
Transmission flow fragmentation is the transmission flow fragmentation of target video；
Second generation module 360, is used for according to described replacement advertisement and described transmission flow fragmentation to be replaced,
Generate and store new transmission flow fragmentation；
Replacement module 370, for indexing pure literary composition by the corresponding for described transmission flow fragmentation to be replaced the described 3rd
Duration in presents and address, replace with duration and the address of the described new transmission flow fragmentation of storage.
It is understood that a kind of file creating apparatus that the embodiment of the present invention is provided, by the index of advertisement
Text-only file is integrated into an index text-only file with the index text-only file of video to be played, is regarding
In the playing process of frequency, when video and advertisement switch, only with a duration comprising transmission of video flow fragmentation
And the index text-only file of address and the duration of advertisement transport streams burst and address i.e. can play video
And advertisement, it is not necessary to call the index text-only file of advertisement, and then the smooth degree of raising video playback, with
And advertisement can be realized dynamically implant.Further, it is achieved that embedded advertisement in video, now advertisement
Broadcasting do not affect video playback progress.
It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these
Relation or the order of any this reality is there is between entity or operation.And, term " includes ", " bag
Contain " or its any other variant be intended to comprising of nonexcludability, so that include a series of key element
Process, method, article or equipment not only include those key elements, but also include being not expressly set out
Other key elements, or also include the key element intrinsic for this process, method, article or equipment.?
In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that at bag
Include and the process of described key element, method, article or equipment there is also other identical element.
Each embodiment in this specification all uses relevant mode to describe, phase homophase between each embodiment
As part see mutually, what each embodiment stressed is the difference with other embodiments.
For system embodiment, owing to it is substantially similar to embodiment of the method, so the comparison described
Simply, relevant part sees the part of embodiment of the method and illustrates.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in
In protection scope of the present invention.
Claims (12)
1. a document generating method, it is characterised in that be applied to server, including:
Obtain the first index text-only file of target video and the second of advertisement to be put indexes pure
Text, in described first index text-only file, record has described target video each transmission flow fragmentation
Duration and address, described second index text-only file in record have described each advertisement to be put to pass
The duration of defeated flow fragmentation and address；
Reproduction time starting point according to advertisement to be put, determines in described second index text-only file
The on position of each transmission flow fragmentation of record；
According to described first index text-only file, described second index text-only file and described insertion position
Put, generate the 3rd index text-only file of described target video, with according to described 3rd index plain text literary composition
Part plays described target video.
Method the most according to claim 1, it is characterised in that the reproduction time of described advertisement to be put
Starting point, including:
In the head of described target video or run-out or sheet.
Method the most according to claim 2, it is characterised in that when the broadcasting of described advertisement to be put
Between starting point be described target video sheet in the case of, the described reproduction time according to advertisement to be put
Starting point, determines the on position of each transmission flow fragmentation of record in described second index text-only file,
Including:
According to the reproduction time starting point of described advertisement to be put, determine adjacent with described advertisement to be put
The transmission flow fragmentation of described target video；
Transmit flow fragmentation determined by exist in the case of two, by determined by two transmission flow fragmentations
Centre position, is defined as the corresponding insertion transmitting flow fragmentation of record in described second index text-only file
Position；
Transmit flow fragmentation determined by exist in the case of one, according to determined by transmit flow fragmentation corresponding
Reproduction time scope, determine the corresponding transmission flow fragmentation of record in described second index text-only file
On position.
Method the most according to claim 1, it is characterised in that described according to the described first pure literary composition of index
Presents, described second index text-only file and described on position, generate the of described target video
Three index text-only files, including:
According to described on position, by described second index text-only file record described to be put extensively
The duration of each transmission flow fragmentation accused and address, be inserted in described first index text-only file.
Method the most according to claim 1, it is characterised in that described according to the described first pure literary composition of index
Presents, described second index text-only file and described on position, generate the of described target video
Three index text-only files, including:
Create and newly index text-only file；
According to described on position, by the described target video of record in described first index text-only file
The duration of each transmission flow fragmentation and address, and described second index text-only file are treated described in record
Throw in duration and the address of advertisement each transmission flow fragmentation, be inserted in described new index text-only file.
6. according to the method described in claim 1 to 5 any one, it is characterised in that described method is also wrapped
Include:
Obtain and replace advertisement；
Determining transmission flow fragmentation to be replaced, wherein, described transmission flow fragmentation to be replaced is target video
Transmission flow fragmentation；
According to described replacement advertisement and described transmission flow fragmentation to be replaced, generate and store new transmission stream
Burst；
By the duration in described 3rd index text-only file corresponding for described transmission flow fragmentation to be replaced with
And address, replace with duration and the address of the described new transmission flow fragmentation of storage.
7. a file creating apparatus, it is characterised in that be applied to server, including:
First obtains module, for obtaining the first index text-only file and to be put of target video
Second index text-only file of advertisement, in described first index text-only file, record has described target
The duration of video each transmission flow fragmentation and address, record in described second index text-only file
State duration and the address of advertisement to be put each transmission flow fragmentation；
First determines module, for according to the reproduction time starting point of advertisement to be put, determines described the
The on position of each transmission flow fragmentation of record in two index text-only files；
First generation module, for according to described first index text-only file, described second index plain text
File and described on position, generate the 3rd index text-only file of described target video, with according to institute
State the 3rd index text-only file and play described target video.
Device the most according to claim 7, it is characterised in that the reproduction time of described advertisement to be put
Starting point, including:
In the head of described target video or run-out or sheet.
Device the most according to claim 8, it is characterised in that described first determines module, specifically uses
In:
According to the reproduction time starting point of described advertisement to be put, determine adjacent with described advertisement to be put
The transmission flow fragmentation of described target video；
Transmit flow fragmentation determined by exist in the case of two, by determined by two transmission flow fragmentations
Centre position, is defined as the corresponding of record in described second index text-only file and transmits inserting of flow fragmentation
Enter position；
Transmit flow fragmentation determined by exist in the case of one, according to determined by transmit flow fragmentation corresponding
Reproduction time scope, determine described second index text-only file in record transmit flow fragmentation accordingly
On position.
Device the most according to claim 7, it is characterised in that described first generation module, specifically
For:
According to described on position, by described second index text-only file record described to be put extensively
Accuse duration and the address of each transmission flow fragmentation, be inserted in described first index text-only file.
11. devices according to claim 7, it is characterised in that described first generation module, specifically
For:
Create and newly index text-only file；
According to described on position, by the described target video of record in described first index text-only file
The duration of each transmission flow fragmentation and address, and described second index text-only file are treated described in record
Throw in duration and the address of advertisement each transmission flow fragmentation, be inserted in described new index text-only file.
12. according to the device described in claim 7 to 11 any one, it is characterised in that described device is also
Including:
Second obtains module, is used for obtaining replacement advertisement；
Second determines module, for determining transmission flow fragmentation to be replaced, wherein, described transmission to be replaced
Flow fragmentation is the transmission flow fragmentation of target video；
Second generation module, for according to described replacement advertisement and described transmission flow fragmentation to be replaced, raw
Become and store new transmission flow fragmentation；
Replacement module, for by described 3rd index plain text literary composition corresponding for described transmission flow fragmentation to be replaced
Duration in part and address, replace with duration and the address of the described new transmission flow fragmentation of storage.
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| CN201610382597.XA CN105959746A (en) | 2016-06-01 | 2016-06-01 | File generation method and apparatus |
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| CN201610382597.XA CN105959746A (en) | 2016-06-01 | 2016-06-01 | File generation method and apparatus |
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Application publication date: 20160921 |