CN103546828B - The generation method and device of previewing programs - Google Patents
The generation method and device of previewing programs Download PDFInfo
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- CN103546828B CN103546828B CN201210245319.1A CN201210245319A CN103546828B CN 103546828 B CN103546828 B CN 103546828B CN 201210245319 A CN201210245319 A CN 201210245319A CN 103546828 B CN103546828 B CN 103546828B
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Abstract
The present invention relates to a kind of generation method of previewing programs and devices.The method includes the quantity of preview snippet and the total durations of original program according to needed for pre-set generation previewing programs, and the time interval between the preview snippet is arranged；According to the time interval, the preview snippet of the quantity of the pre-set preview snippet is extracted from the original program；The preview snippet of the quantity of the pre-set preview snippet extracted is combined, the previewing programs are generated.Complete programme information has been won in present invention realization, so that this previewing programs has certain continuity and integrality in plot.
Description
Technical field
The present invention relates to field of multimedia communication more particularly to the generation methods and device of a kind of previewing programs.
Background technique
With the development of multimedia technology, various programs are at important a part for people's lives.Program includes
It is traditional using the TV programme of set-top box viewing and the movie program of movie theatre, further include by mobile terminals such as mobile phones or
The various programs such as network TV program and network movie program that the fixed terminals such as computer can be watched.
However for these programs, most of viewer is intended to that the interior of the program can be browsed in advance before viewing
Hold, the selection for whether watching this program can be made in order to them in this way, or the content of this program can be understood in advance.
A kind of existing technical solution is to provide using trailer come previewing program.But this trailer is only selected from entire program
It selects and selects taker to think to may be crucial and excellent segment, then play as trailer.Therefore this trailer has lacked
The synopsis of whole program, it is difficult to form the complete information of entire program, and lack continuity and integrality.
Summary of the invention
The present invention provides a kind of method and apparatus of previewing programs, does not have with the trailer for solving to provide in the prior art
Complete programme content abstract, and the problem of lack continuity and integrality.
Above-mentioned in order to realize, the present invention provides a kind of generation method of previewing programs, this method comprises:
According to the quantity of preview snippet and the total duration of original program needed for pre-set generation previewing programs, setting
Time interval between the preview snippet；
According to the time interval, the institute of the quantity of the pre-set preview snippet is extracted from the original program
State preview snippet；
The preview snippet of the quantity of the pre-set preview snippet extracted is combined, the program is generated
Preview.
The present invention also provides a kind of generating means of previewing programs, which includes:
Setting unit, quantity and original program for the preview snippet according to needed for pre-set generation previewing programs
Total duration, the time interval between the preview snippet is set；
Extraction unit, for extracting the pre-set preview from the original program according to the time interval
The preview snippet of the quantity of segment；
Generation unit, for by the preview snippet group of the quantity of the pre-set preview snippet extracted
It closes, generates the previewing programs.
In view of above-mentioned technical proposal, the present invention extracts the preview snippet of certain time length from original program according to time interval
It is combined into previewing programs out, complete programme information has been won in realization, so that this previewing programs has in plot
Certain continuity and integrality.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the generation method flow chart of previewing programs of the embodiment of the present invention.
Fig. 2 is the schematic diagram that the present invention extracts that preview snippet generates previewing programs on a timeline.
Fig. 3 is the structural schematic diagram of the generating means of previewing programs of the present invention.
Specific embodiment
Referring to the drawings and specific embodiments, the present invention is further illustrated.
Fig. 1 is the generation method flow chart of previewing programs of the embodiment of the present invention.As shown, the embodiment of the present invention can wrap
Include following steps:
Step 11, according to it is pre-set generation previewing programs needed for preview snippet quantity and original program it is total when
It is long, the time interval between the preview snippet is set；
It should be understood that each program is formed according to timing in time shaft by video and audio, program exists
Each when engrave and be made of specific picture frame and audio.It is required pre- to pre-set expectation generation previewing programs
Look at the quantity of segment, such as 12 segments, the total duration of original program is 120 minutes (time shaft is from 00:00 to 120:00), because
It is 120/ number of fragments 12=10 of total duration that this, which can calculate the time interval obtained between preview snippet according to the two parameters,
Minute.
In addition to the total duration of the above-mentioned quantity using preview snippet and original program, calculate isometric between acquisition preview snippet
Except the time interval of degree, what the time interval between the preview snippet can also change, such as piece is extracted from initial time
Section, is arranged first and second segments, and the time interval between them is 15 minutes, the time between the 11st and 12 segments
Between be divided into 5 minutes, the time interval between other segments is all 10 minutes.The time interval of this unequal length can be according to reality
Border application is to set.
The quantity for presetting preview snippet needed for generating previewing programs can be according to the previewing programs for wishing to generate
Duration such as 60 seconds, the duration of every section of preview snippet such as 5 seconds is arranged.The quantity of preview snippet, preview snippet when
The setting of long and previewing programs durations can be neatly configured according to demand, such as may want in the centre of program
It extracts some programme contents more with latter end, then such as 12 sections of quantity of preview snippet can be set, is then arranged in the 6th section
Segment and the 12nd section of segment, the duration of the preview snippet of extraction is, for example, 8 seconds and 10 seconds, and the duration of other segments remains as 5
Second, thus the duration variation of previewing programs is 5 × 10+10+8=68 seconds, and 60 seconds can also be set as with the duration of previewing programs not
Become, the duration of other preview snippets is accordingly shortened.
Step 12, it from the initial time of the original program, every the time interval, is mentioned from the original program
Take the preview snippet of the quantity of the pre-set preview snippet；
Specifically, in this step, since the initial time of original program such as time point 00:00, between per time
Every 10 minutes, one section of preview snippet is extracted from original program, the time span of this preview snippet is pre-set pre-
It lookes at clip durations such as 5 seconds, therefore 120 minutes program, starts to extract one section of preview in 5 seconds in time point 00:00
Segment (extracting first preview snippet can also be at 00:10 time point), i.e., by the picture frame and sound in 0-5 seconds this period
Frequency all extracts.It is spaced the 2nd preview snippet of extraction in 10 minutes, i.e., at 10 minutes time points, extracts 5 seconds preview pieces
Section, 5 seconds the 3rd preview snippets were then extracted at 20 minutes time points, are repeated in the above process according to time interval 10
Minute, extracted last 110 minutes at 5 seconds the 12nd preview snippet (extraction the 12nd preview snippet can also be 120:
00 time point).Preview snippet needed for forming previewing programs has been extracted as a result, as shown in Fig. 2, being in the present invention in the time
The schematic diagram that preview snippet generates previewing programs is extracted on axis.
In this step, the duration of the preview snippet of extraction was extracted according to pre-set preview snippet duration 5 seconds,
Here, the duration of preview snippet can according to it is different at the time of extract the duration of different length, such as extracting the 11st and the
When 12 preview snippets, the slightly long point of the preview snippet length extracted at this time, such as 8 seconds can be set, in this way in program climax
Place can extract a programme information more so that generate previewing programs have more complete information.
This step description according to the time interval, the pre-set preview piece is extracted from the original program
The preview snippet of the quantity of section be constant duration preview snippet is extracted from original program, as institute in a step 11
The time interval of description may be arranged as Length discrepancy in addition to being set as equal length, therefore, another side of this step
Formula can be the time interval according to Length discrepancy, and preview snippet is extracted from original program.
Step 13, the preview snippet of the quantity of the pre-set preview snippet extracted is combined, is generated
The previewing programs.
Specifically, extract 12 preview snippets are combined in this step, form previewing programs.This process
In the picture frame extracted and audio frame can be not processed, directly carry out being spliced to form previewing programs.Previewing programs are just
It is some segments that original program has been carried out to choosing the original program for concentrating certain time length, it is original to be transmitted to viewer
Important information inside program, so that obtaining the comprehensive interest for understanding and thus generating viewing original program after viewer's viewing.
Therefore, the present invention is come out by 12 preview snippets of the extraction certain time length from program medium time interval and is combined
At previewing programs, complete programme information has been won in realization, so that this previewing programs has certain company in plot
Coherence and integrality.
In view of above embodiment, the total duration of program does not remove the duration of head and run-out, therefore, the 12 of extraction
Leader and piece portion have been possible in a preview snippet.In order to enable previewing programs more have the needle to programme content
To property, the present invention additionally provides one embodiment.
In the present embodiment program total duration removal head and run-out duration after obtain programme content duration, according to
Programme content extracts preview snippet.Therefore, the calculating time interval in step 11, specifically includes in the present embodiment: according to
The original program total duration removal head data and run-out data duration, obtain the programme content of original program when
It is long, such as original program total duration is 120 minutes, the duration of head and run-out data is respectively 5 minutes, then when deducting the two
Obtained after length the programme content of original program when it is 110 minutes a length of, programme content is on a timeline from 05:00 to 115:
00；According to the duration of quantity such as 11 segments and the programme content of the pre-set preview snippet, described in calculating
Time interval between preview snippet.It therefore is total according to the available time interval between preview snippet of the two parameters
110/ number of fragments of duration 11=10 minutes.
Extraction preview snippet in step 12, in the present embodiment specifically: from the programme content of the original program
Initial time rises, and every the time interval, extracts the preview snippet of the quantity of the preview snippet.
Since the starting of original program such as time point 00:00, the starting of the programme content after removing 5 minutes head
Moment is that the 5th minute i.e. 05:00 starts, every time interval 10 minutes, and one section of preview snippet is extracted from programme content, this
The time span of preview snippet is pre-set unit preview snippet duration such as 5 seconds, therefore 120 minutes section
Mesh starts to extract one section of 5 seconds preview snippet at 05:00 minute at time point, i.e., by the picture frame in 0-5 seconds this period
It is all extracted with audio.It is spaced the 2nd preview snippet of extraction in 10 minutes, i.e., at minute at time point 15:00, is extracted 5 seconds
Preview snippet then extracts 5 seconds the 3rd preview snippets at minute at time point 25:00, be repeated in the above process according to when
Between be spaced 10 minutes, 5 seconds the 11st preview snippets are extracted at last 105 minutes.Formation previewing programs have been extracted as a result,
Required preview snippet.Similarly, other than constant duration mode extracts preview snippet, unequal interval side can also be used
Formula extracts preview snippet.
In the present embodiment, the concrete mode for generating previewing programs is constant, with step 13.
Therefore, by this removal head and run-out, the generation of previewing programs is carried out by specific programme content, it can be with
So that previewing programs more have substantial specific aim, more complete programme content abstract is formed, it is more coherent in plot
With it is complete.
In two embodiments of foregoing description, finally the preview snippet extracted is combined, forms previewing programs,
Picture frame extracted and audio frame can be not processed during this, directly carry out being spliced to form previewing programs.Also
The generation of previewing programs can be carried out according to various demands.Such as needed, different clarity or different-format can be created
Previewing programs.
According to the requirement to previewing programs clarity, such as shown without high definition, it can be by preview in extract 5 seconds
Segment extracts a certain number of picture frames in timing, and extracts the audio in these timing, is then combined on a timeline
Previewing programs, reducing picture frame in this way reduces clarity, but the size of previewing programs can be allowed to become smaller, thus just
In storage etc..Such as when storing a certain amount of previewing programs on the set-top box, this mode can be used, it is ensured that on the set-top box
Store a large amount of previewing programs.
Equally other than the requirement of this clarity, the conversion of format can also be also carried out.By the preview snippet into
Row format conversion, is combined into the previewing programs.The video format of video display class program include MKV, RMVB, MPEG, DAT, MOV,
MP4 and DVDRip, RMVB, MKV etc. can convert its video format after extracting preview snippet.
Using the generation method of this previewing programs, in specific application, can for example on Web TV, film,
Associated television, film displayed page on show the links of quick previewing programs, then when the user clicks on such link, call
The previewing programs of generation are shown to user and watched by the generation method of previewing programs of the present invention, and this generation can be reality
When generate be also possible to it is pre-generated after store on the server.In generating process in real time, after user clicks on links,
Server needs to obtain the related length of a film of this program, run-out and head length of a film first and server-side management personnel are preparatory
The preview snippet quantity of setting, preview snippet duration etc. various parameters, and these parameters are stored in the number of server before being
According in library.In specific application, this previewing programs is equally applicable to the TV programme provided on the television set with set-top box
In, due to can store a large amount of programme information in set-top box, when user wants to watch specific program, can first click
The option of quick previewing programs calls the generation method of previewing programs of the present invention, by the previewing programs of generation be shown to user into
Row viewing, this generation, which equally can be to generate in real time, to be also possible to store on the set-top box after pre-generating.Real-time
In ground generating process, with as being described above, set-top box needs to obtain the related length of a film of this program, run-out and head first
Length of a film and pre-set preview snippet quantity, preview snippet duration etc. various parameters, and these parameters can be stored in
In set-top box, and specifically it is arranged and operation realization can also be carried out by remote controler by user.As described above, it deposits in advance
The previewing programs of storage on the set-top box, in order to enable memory capacity dot, can take the previewing programs of lower resolution to carry out
It saves.Therefore, previewing programs can be generated by server, and the instruction that server is inputted according to user is pre- by the program of generation
It lookes at and is sent to terminal；Or the generation instruction that terminal is inputted according to user is locally generated the previewing programs.Above-mentioned is various
It using being only for example, is not limited to, the set-top box is also possible to other terminals, such as intelligent TV set, tablet computer
Or the suchlike terminal with visual function such as mobile phone, the method for the present invention can be adapted for traditional TV or film festival
Mesh carries out preview, or the quickly previewing suitable for the various types of programs on network.
Correspondingly, Fig. 3 is the structural schematic diagram of the generating means of previewing programs of the present invention, as shown in figure 3, the device packet
It includes: setting unit 31, extraction unit 32 and generation unit 33.Wherein,
Setting unit 31, quantity and mesomere for the preview snippet according to needed for pre-set generation previewing programs
The time interval between the preview snippet is arranged in purpose total duration；
Extraction unit 32, the time interval for being arranged according to setting unit 31, is extracted from the original program
The preview snippet of the quantity of the pre-set preview snippet；
Generation unit 33, described in the quantity of the pre-set preview snippet for extracting extraction unit 32
Preview snippet combination, generates the previewing programs.
Wherein, the setting unit 31 is further used for:
The duration that head data and run-out data are removed according to the total duration of the original program, obtains the section of original program
The duration of mesh content；
According to the duration of the quantity of the pre-set preview snippet and the programme content, the preview piece is set
Time interval between section.
The extraction unit 32 is further used for:
From the initial time of the programme content of the original program, every the time interval, the preview piece is extracted
The preview snippet of the quantity of section.
In view of the function of setting unit and extraction unit above, by this removal head and run-out, by specifically saving
Mesh content carries out the generations of previewing programs, previewing programs can be made more to have substantial specific aim, is formed more complete
Programme content abstract.
According to various demands, the generation of previewing programs is carried out.Such as needed, different clarity or difference can be created
The previewing programs of format.Then generation unit can have function below to realize.
The generation unit 33 is further used for: extracting from the preview snippet of the preview snippet duration a certain number of
Picture frame；A certain number of picture frames are combined into the previewing programs.
The generation unit 33 is further used for: the preview snippet being carried out format conversion, it is pre- to be combined into the program
It lookes at.
The present invention is combined into out by being spaced the extraction certain amount preview snippet of certain time interval from program
Complete programme information has been won in previewing programs, realization, so that this previewing programs has certain link up in plot
Property and integrality.
Those of ordinary skill in the art should further appreciate that, describe in conjunction with the embodiments described herein
Each exemplary unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clear
Illustrate to Chu the interchangeability of hardware and software, generally describes each exemplary group according to function in the above description
At and step.These functions are implemented in hardware or software actually, the specific application and design depending on technical solution
Constraint condition.Professional technician can use different methods to achieve the described function each specific application, but
It is this realize it is not considered that beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can be executed with hardware, processor
The combination of software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only memory
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described specific embodiment has carried out further the purpose of the application, technical scheme and beneficial effects
It is described in detail, it should be understood that being not used to limit the application the foregoing is merely the specific embodiment of the application
Protection scope, within the spirit and principles of this application, any modification, equivalent substitution, improvement and etc. done should all include
Within the scope of protection of this application.
Claims (10)
1. a kind of generation method of previewing programs, which is characterized in that the described method includes:
The preview snippet number of previewing programs to be generated and the duration of each preview snippet are set；
The total duration of original program is obtained, and is determined according to the total duration of the preview snippet number and original program each described pre-
The time interval look between segment；Time interval between each preview snippet is Length discrepancy；
The preview snippet length that the place extraction of program climax is arranged in is greater than the extracted preview piece in place of non-program climax
Segment length；
According to the time interval, the preview piece is extracted from the original program according to the duration of each preview snippet
The preview snippet of the quantity of section；
The preview snippet extracted is combined, the previewing programs are generated.
2. the generation method of previewing programs as described in claim 1, which is characterized in that it is described according to the preview snippet number and
The total duration of original program determines the time interval between each preview snippet, specifically includes:
The duration that head data and run-out data are removed according to the total duration of the original program, obtains in the program of original program
The duration of appearance；
According to the duration of the quantity of the pre-set preview snippet and the programme content, be arranged the preview snippet it
Between time interval.
3. the generation method of previewing programs as claimed in claim 2, which is characterized in that it is described according to the time interval, it presses
According to each preview snippet duration extracted from the original program preview snippet quantity the preview snippet,
It specifically includes:
From the initial time of the programme content of the original program, every the time interval, the preview snippet is extracted
The preview snippet of quantity.
4. the generation method of the previewing programs as described in claims 1 to 3 is any, which is characterized in that the institute that will be extracted
It states preview snippet to be combined, generates the previewing programs, specifically include:
A certain number of picture frames are extracted from the preview snippet of the preview snippet duration；
A certain number of picture frames are combined into the previewing programs.
5. the generation method of previewing programs a method according to any one of claims 1-3, which is characterized in that it is described will extract described in
Preview snippet is combined, and is generated the previewing programs, is specifically included:
The preview snippet is subjected to format conversion, is combined into the previewing programs.
6. the generation method of previewing programs a method according to any one of claims 1-3, which is characterized in that the previewing programs are by servicing
Device generates, and the previewing programs of generation are sent to terminal by the instruction that server is inputted according to user；Or terminal according to
The generation instruction of family input is locally generated the previewing programs.
7. a kind of generating means of previewing programs, which is characterized in that the described method includes:
Setting unit, for the preview snippet number of previewing programs to be generated and the duration of each preview snippet to be arranged；It obtains
The total duration of original program, and according to the total duration of the preview snippet number and original program determine each preview snippet it
Between time interval；Time interval between each preview snippet is Length discrepancy；
The preview snippet length that the place extraction of program climax is arranged in is greater than the extracted preview piece in place of non-program climax
Segment length；
Extraction unit is used for according to the time interval, according to the duration of each preview snippet from the original program
Extract the preview snippet of the quantity of the preview snippet；
Generation unit, the preview snippet for extracting are combined, and generate the previewing programs.
8. the generating means of previewing programs as claimed in claim 7, which is characterized in that the setting unit is further used for:
The duration that head data and run-out data are removed according to the total duration of the original program, obtains in the program of original program
The duration of appearance；
According to the duration of the quantity of the pre-set preview snippet and the programme content, be arranged the preview snippet it
Between time interval.
9. the generating means of previewing programs as claimed in claim 8, which is characterized in that the extraction unit is further used for:
From the initial time of the programme content of the original program, every the time interval, the preview snippet is extracted
The preview snippet of quantity.
10. the generating means of previewing programs as claimed in claim 7, which is characterized in that the generation unit is further used for:
A certain number of picture frames are extracted from the preview snippet of the preview snippet duration；
A certain number of picture frames are combined into the previewing programs；Or
The generation unit is further used for: the preview snippet being carried out format conversion, is combined into the previewing programs.
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| CN105704559A (en) * | 2016-01-12 | 2016-06-22 | 深圳市茁壮网络股份有限公司 | Poster generation method and apparatus thereof |
| JP6472478B2 (en) | 2017-04-07 | 2019-02-20 | キヤノン株式会社 | Video distribution apparatus, video distribution method, and program |
| CN107809649B (en) * | 2017-11-03 | 2019-10-29 | 中广热点云科技有限公司 | A kind of switching of smart television program and prebrowsing system |
| CN112291618B (en) * | 2020-10-13 | 2023-04-07 | 北京沃东天骏信息技术有限公司 | Video preview content generation method and device, computer device and storage medium |
| CN114205632A (en) * | 2021-12-17 | 2022-03-18 | 深圳Tcl新技术有限公司 | Video preview method and device, electronic equipment and computer readable storage medium |
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