CN107231578A - The system and method that video file is quickly played - Google Patents
The system and method that video file is quickly played Download PDFInfo
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- CN107231578A CN107231578A CN201710661793.5A CN201710661793A CN107231578A CN 107231578 A CN107231578 A CN 107231578A CN 201710661793 A CN201710661793 A CN 201710661793A CN 107231578 A CN107231578 A CN 107231578A
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
-
- 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
- H04N21/81—Monomedia components thereof
- H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
-
- 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
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
-
- 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
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
Abstract
The invention discloses a kind of quick play system of video file, the quick play system of video file is mainly made up of three parts, respectively pre-scan module, video play lists and video playback parameter list；Wherein pre-scan module carries out decoding prescan to each video file in video play lists, and the crucial play parameter that each video file is decoded is got by prescan；Video play lists are used to building and preserving all video files, and preservation includes characteristic value, the storage address information of video file of video file；Video playback parameter list is used for the crucial play parameter for preserving each video file.The present invention, which is also provided, a kind of realizes the method that video file is quickly played.The inventive method thoroughly solves list of videos and is connected the slack problem of broadcasting, and whole process is realized and is automatically performed by software completely, it is not necessary to artificial to participate in, therefore with extensive adaptability and very high efficiency.
Description
Technical field
The present invention relates to the system and method that a kind of video file is played, and in particular to what a kind of video file was quickly played
System and method, belongs to video display arts field.
Background technology
In many business public situations, people can see various video ads, they or by common
Television set is played out, or is played out by the Advertisement label machine of specialty.Pass through continuing for this kind of advertisement video content
Play, played a significant role to conduct promotion to commodity.The video ads of such loop play, its content is mostly by one
Or multiple independent video ads sources are spliced, an advertisement source playlist is formed, and by player to playlist
File carry out Infinite Cyclic broadcasting and realize.
The processing mode for being connected broadcasting between the loop play of multiple fragments, fragment due to being related to just is directly connected to entirely
, there is interim card or buffers for a long time, will have a strong impact on the viewing of actual advertisement if being connected broadcasting between fragment in the experience of viewing
Experience, and and then the effect that influences to be connected broadcasting between the demonstration effect of whole product, therefore lifting advertising segment is this technology neck
One of domain primary study direction.
In order to lift the effect for being connected broadcasting between advertising segment, the technological means mainly used at present is that to carry out content whole
Close, be connected playing process to evade the intersegmental physics of piece.Its realization rate is exactly before advertisement video broadcasting, to pass through specialty
All video ads files are recompiled and synthesized by Video editing software, by multiple advertising segment integrating documents into one
Individual advertisement video file, so that the linking playing process brought before evading by multiple video files, realizes that smooth linking is played
Viewing experience.
It is the limitation of application, the integration of multiple video files first but such a technological means has significant limitation
Coding needs professional to be completed using professional software instrument, and layman can not complete, therefore have impact on this technology
The large-scale promotion of means and use；Next to that efficiency is low, when thering is new advertisement film source to add every time, it is necessary to re-start volume
Code, integration, making, inefficiency；Cure the symptoms, not the disease again, fail thoroughly to evade the process that linking is played, even integrating
Into a promotional literature, the time that promotional literature is once played is limited, and the circulation for being necessarily required to carry out single file is broadcast
Put, therefore still can be related to the process of single file tandem array broadcasting, convergence process is not smooth or can influence whole sight
Shadow is experienced.
The content of the invention
The drawbacks of in order to overcome technological deficiency present in current techniques means, application limitation and low efficiency, this hair
It is bright propose it is a kind of realize the system and method that single video file is quickly played, pass through the implementation of the inventive method, Ke Yishi
Quick rise of existing video file is broadcast, the stand-by period needed for linking is played between reduction video file, so as to realize that whole video is wide
Accuse the smooth playing of list, the viewing experience of lifting video ads.
An object of the present invention is to provide a kind of video file quick play system, and the video file is quickly played
System is mainly made up of three parts, respectively pre-scan module, video play lists and video playback parameter list；
Wherein pre-scan module carries out decoding prescan to each video file in video play lists, passes through prescan
Get the crucial play parameter of each video file decoding；
Video play lists are used to building and preserving all video files, and preservation includes the characteristic value of video file, regarded
The storage address information of frequency file；
Video playback parameter list is used for the crucial play parameter for preserving each video file.
Another object of the present invention is to provide it is a kind of realize the method that video file is quickly played, be the present invention offer
The quick play system of video file on the basis of, it is specific to be realized using following steps：
Step 1, after video playback apparatus startup, the list that video file is played first is loaded, and with all video files
A video play lists are constructed, each single item of the video play lists includes the attribute information of video file；
Step 2, start in the video play lists built in pre-scan module, pre-scan module meeting traverse scanning step 1
Each video file, the crucial play parameter that video file decoding is played is got by way of prescan, and will be logical
The crucial play parameter that pre-scan module gets is crossed all to be stored in video playback parameter list；
Step 3, video playback parameter list is loaded, each single item of the video playback parameter list includes the spy of video file
Value indicative and crucial play parameter, if the video playback parameter list is sky, construct a play parameter list；
Step 4, the characteristic value of currently playing video file is obtained, this feature value comes from the video playback row in step 1
In table；
Step 5, using characteristic value as comparison other, lookup comparison is carried out in video playback parameter list, video playback is confirmed
The crucial play parameter of current video whether has been saved in parameter list, if having saved crucial play parameter, has been entered
Step 8, if the crucial play parameter of the video is not preserved, into step 6；
Step 6, if not finding the crucial play parameter of current video file in step 5, need to carry out player
Complete initialization, and construct selection correct decoder video file is decoded and played, and extract what this was played
Accessed crucial play parameter；
Step 7, currently playing parameter is stored to video playback parameter list, i.e., crucial broadcasting accessed in step 6
Parameter is preserved, using the characteristic value of current video file as keyword, play parameter information is stored in the video of step 3
In play parameter table, if the crucial play parameter of current video is had stored in video playback parameter list, this is updated to
The newest crucial play parameter got；
Step 8, if finding the crucial play parameter of video file in step 5, the crucial broadcasting of the video file is extracted
Parameter, and this crucial play parameter is passed into player, the Fast Construction for follow-up play device；
Step 9, using the incoming crucial play parameter of step 8, player is directly skipped crucial play such as decoding broadcasting and joined
Several trial acquisition process, realizes that the direct construction of each decoder module of player, with setting, realizes the quick broadcasting of video file；
Step 10, when video file is finished, then the next video file for jumping to playlist is played out, so
Posterior circle is continued executing with into step 4.
Above step circulation is performed, until the crucial play parameter of all videos is all obtained and stored, when there is new video text
When part adds playlist, crucial play parameter is extracted according to as above step prescan, quick play is realized.
Further scheme is：
In step 1, attribute information includes：Name, the absolute path of video file storage and the video text of video file
The characteristic value of part.
Further scheme is：
In step 2, crucial play parameter includes：The pid value of audio frequency and video rail, video encapsulation parameter, Video coding decoding ginseng
Number, audio encoding and decoding parameter.
Further scheme is：
The building method of the video file characteristic value is realized using hash algorithm.
Further scheme is：
It is described to be realized with hash algorithm, file header 2K data volume is specifically read, is calculated by hash algorithm and obtains the
One character string, then reads the 2K data volumes of video file tail, is calculated by hash algorithm and obtains the second character string, merges connection
First character string and the second character string, obtain the characteristic value of video file.
Further scheme is：
In step 2, pre-scan module is running background module, the key that the video file decoding acquired by prescan is played
Play parameter will be stored in video playback parameter list, and in the continuous renewal of backstage realization.
Further scheme is：
In step 2, the order of the prescan video file sequencing of video file in video play lists is defined, from
First starts to complete to scan and preserve on backstage one by one.
Further scheme is：
In step 3, video playback parameter list is responsible for construction on backstage by pre-scan module and additions and deletions are recorded.
The order of step described above can be adjusted flexibly in the specific implementation.
The method of the present invention is absorbed in opening for single video file and broadcasts performance boost, before being played out to video file
Prescan obtain the key parameter that decoding is played, and these broadcast decoder parameters are directly set when player initialize
What key parameter was attempted when reducing time-consuming player initialization and decoding is time-consuming, so that the quick broadcasting of video file is realized, and
Finally realize that the seamless connection between each video file of whole playlist is played.
The inventive method thoroughly solves list of videos linking and plays slack problem, and whole process passes through software completely
Realize and be automatically performed, it is not necessary to be artificial to participate in, therefore with extensive adaptability and very high efficiency.
Brief description of the drawings
Fig. 1 is the composition figure of the quick play system of video file；
Fig. 2 is the flow chart for realizing the method that video file is quickly played.
Embodiment
The present invention propose it is a kind of realize the method that video file is quickly played, by means of the invention it is also possible to realize
Quick and smooth linking result of broadcast between video file, the viewing experience of lifting advertisement video loop play.Below in conjunction with the accompanying drawings
Embodiment to the present invention is described in detail.
The composition figure of the quick play system of video file as shown in figure 1, fast playing method of the invention is by three
Part is constituted, and is described in detail below：
Pre-scan module：This module is responsible for completing the prescan of the decoding play parameter of all video files, by this mould
Block gets the play parameter key message of all video files, and is finally stored in video playback parameter information table, this mould
The prescan method that block is used is the universal method of player technical field.
Video play lists：This module is responsible for preserving all video file lists, and each single item information includes regarding in list
The information such as the characteristic value information of frequency file, the complete storing path of video file, video play lists start initial in the system
Complete to build, and determinant attribute is used as using the characteristic value of video file.
Video playback parameter list：This module preserves the crucial ginseng that each video file got in pre-scan module is played
Number information, and actual play parameter information is dynamically adjusted during actual play, each single item record of this table is all with video
The characteristic value of file is used as determinant attribute.
2 pairs of specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Present embodiment belongs to one kind of the inventive method embodiment, and those of ordinary skill in the art are not making wound
The every other embodiment that the property made is obtained on the premise of working, should all belong to the scope of protection of the invention.
The present invention propose it is a kind of realize the method that video file is quickly played, its specific implementation includes the steps：
The present invention is applied to the various consumer electronic devices with video playback capability, including intelligent television, video ads
Machine etc., here by taking video ads machine equipment as an example, video advertising player needs continuous 3 advertisement video files of loop play, title
It is " advertising film a ", " advertising film b " and " three film sources of advertising film c " respectively；
Step 1, after video ads machine equipment starts, 3 video ads files are loaded, and construct a video playback row
Table, each single item of the playlist includes the attribute informations such as the characteristic value of name, store path and video file of video file,
The characteristic value of three video ads files we by hash algorithm calculate obtain, be recorded as respectively here HashStr1,
HashStr2、HashStr3；
Step 2, pre-scan module is started on backstage, pre-scan module is according to " advertising film a ", " advertising film b " and " advertising film
Each video file of c " order traversal, decodes broadcasting prescan method by video and gets what video file decoding was played
The pid value of key message, such as audio frequency and video rail, video codec format, the critical parameter information such as audio format, and these parameters are believed
Breath is stored in play parameter list；
Step 3, video file play parameter list is loaded, due to being to play this 3 video ads files first, is not yet had
Play parameter list, we construct a play parameter list, and now list member is sky；
Step 4, " advertising film a " characteristic value, as HashStr1, this feature value come from the currently playing video file of acquisition
In playlist in step 1；
Step 5, using characteristic value HashStr1 as comparison other, lookup ratio is carried out in video file play parameter list
It is right, because play parameter list is sky, " the play parameter information of advertising film a " video files, then into step 6 is not preserved；
Step 6, start player, and carry out complete parameter initialization, and construct the correct decoder of selection to video
File is decoded and played, and extracts that " advertising film a " crucial broadcast information, packaging information is that ts, coded video information are
H264, video frame rate are that 25 frames, audio coding information are aac etc.；
Step 7, currently playing parameter is stored to list, using characteristic value HashStr1 as keyword, by video ads file
" in advertising film a " play parameter deposit play parameter list, including packaging information ts, coded video information h264, frame of video
The frame of rate 25, audio coding information aac etc.；
Step 8, when video file is finished, then the next video file for jumping to playlist is played out, i.e.,
" advertising film b " is then recycled into step 4 and continued executing with for broadcasting.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferably embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (9)
1. a kind of quick play system of video file, it is characterised in that：
The quick play system of video file is mainly made up of three parts, respectively pre-scan module, video play lists
With video playback parameter list；
Wherein pre-scan module carries out decoding prescan to each video file in video play lists, is obtained by prescan
The crucial play parameter decoded to each video file；
Video play lists are used to building and preserving all video files, and preserve the characteristic value for including video file, video text
The storage address information of part；
Video playback parameter list is used for the crucial play parameter for preserving each video file.
2. a kind of realize the method that video file is quickly played, it is characterised in that has used video file described in claim 1 fast
Fast play system, and comprise the following steps：
Step 1, after video playback apparatus startup, the list that video file is played first is loaded, and construct with all video files
One video play lists, each single item of the video play lists includes the attribute information of video file；
Step 2, start every in the video play lists built in pre-scan module, pre-scan module meeting traverse scanning step 1
One video file, gets the crucial play parameter that video file decoding is played by way of prescan, and will be by pre-
The crucial play parameter that scan module is got all is stored in video playback parameter list；
Step 3, video playback parameter list is loaded, each single item of the video playback parameter list includes the characteristic value of video file
With crucial play parameter, if the video playback parameter list is sky, a play parameter list is constructed；
Step 4, the characteristic value of currently playing video file is obtained, this feature value comes from the video play lists in step 1；
Step 5, using characteristic value as comparison other, lookup comparison is carried out in video playback parameter list, video playback parameter is confirmed
Whether the crucial play parameter of current video has been saved in table, if crucial play parameter has been saved, into step
8, if the crucial play parameter of the video is not preserved, into step 6；
Step 6, if not finding the crucial play parameter of current video file in step 5, need to carry out completely player
Initialization, and construct selection correct decoder video file decoded and played, and being obtained of extracting that this plays
Get crucial play parameter；
Step 7, currently playing parameter is stored to video playback parameter list, i.e., crucial play parameter accessed in step 6
Preserved, using the characteristic value of current video file as keyword, play parameter information is stored in the video playback of step 3
In parameter list, if the crucial play parameter of current video is had stored in video playback parameter list, this acquisition is updated to
The newest crucial play parameter arrived；
Step 8, if finding the crucial play parameter of video file in step 5, the crucial play parameter of the video file is extracted,
And this crucial play parameter is passed into player, the Fast Construction for follow-up play device；
Step 9, using the incoming crucial play parameter of step 8, player directly skips the crucial play parameter such as decoding broadcasting
Acquisition process is attempted, realizes that the direct construction of each decoder module of player, with setting, realizes the quick broadcasting of video file；
Step 10, when video file is finished, then the next video file for jumping to playlist is played out, and is then followed
Ring is continued executing with into step 4；
Above step circulation is performed, and until the crucial play parameter of all videos is all obtained and stored, is added when there is new video files
When entering playlist, crucial play parameter is extracted according to as above step prescan, quick play is realized.
3. the method that video file is quickly played is realized according to claim 2, it is characterised in that：
In step 1, attribute information includes：The name of video file, the absolute path of video file storage and video file
Characteristic value.
4. the method that video file is quickly played is realized according to claim 2, it is characterised in that：
In step 2, crucial play parameter includes：The pid value of audio frequency and video rail, video encapsulation parameter, Video coding decoding parametric, sound
Frequency coding and decoding parameter.
5. the method that video file is quickly played is realized according to claim 3, it is characterised in that：
The building method of the video file characteristic value is realized using hash algorithm.
6. the method that video file is quickly played is realized according to claim 5, it is characterised in that：
It is described to be realized with hash algorithm, file header 2K data volume is specifically read, is calculated by hash algorithm and obtains the first word
Symbol string, then reads the 2K data volumes of video file tail, is calculated by hash algorithm and obtains the second character string, merges connection first
Character string and the second character string, obtain the characteristic value of video file.
7. the method that video file is quickly played is realized according to claim 2, it is characterised in that：
In step 2, pre-scan module is running background module, the crucial broadcasting that the video file decoding acquired by prescan is played
Parameter will be stored in video playback parameter list, and in the continuous renewal of backstage realization.
8. the method that video file is quickly played is realized according to claim 2, it is characterised in that：
In step 2, the order of the prescan video file sequencing of video file in video play lists is defined, from first
Individual beginning completes to scan and preserve on backstage one by one.
9. the method that video file is quickly played is realized according to claim 2, it is characterised in that：
In step 3, video playback parameter list is responsible for construction on backstage by pre-scan module and additions and deletions are recorded.
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| CN109359262A (en) * | 2018-10-11 | 2019-02-19 | 广州酷狗计算机科技有限公司 | Animation playing method, device, terminal and storage medium |
| CN110177304A (en) * | 2019-05-27 | 2019-08-27 | 四川长虹电器股份有限公司 | A kind of method that local seamless connection plays the list of HLS film source |
| CN110620952A (en) * | 2019-09-25 | 2019-12-27 | 四川爱创科技有限公司 | Android playing control running on android platform user-defined |
| CN110620952B (en) * | 2019-09-25 | 2022-02-01 | 四川爱创科技有限公司 | Android playing control running on android platform user-defined |
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