CN105187918A - Method for realizing fast forward by using thumbnail in HLS protocol-based on-demand system - Google Patents
Method for realizing fast forward by using thumbnail in HLS protocol-based on-demand system Download PDFInfo
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- CN105187918A CN105187918A CN201510429474.2A CN201510429474A CN105187918A CN 105187918 A CN105187918 A CN 105187918A CN 201510429474 A CN201510429474 A CN 201510429474A CN 105187918 A CN105187918 A CN 105187918A
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- China
- Prior art keywords
- thumbnail
- file
- server
- user
- program
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000005182 tip of the tongue Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention discloses a method for realizing fast forward by using a thumbnail in an on-demand system based on an HLS protocol, belonging to the application field of on-demand systems; after slicing the program according to a certain time length by using a slicing server, selecting a frame of image for each slice TS file to generate a thumbnail, compressing the generated thumbnail by taking the program as a unit, uploading to a distributed central storage server, downloading a thumbnail compression file to an on-demand server and decompressing, when a user requests the program to carry out fast forward, directly accessing the thumbnail in the on-demand server and displaying the thumbnail above a progress bar in a queue form, selecting the progress by the user according to the content in the thumbnail, and clicking the corresponding thumbnail by the user to realize the playing of the corresponding video file; when a user requests a movie to fast forward, the thumbnail in the push streaming server is directly accessed by using the method of the invention, and the user can select the progress according to the content in the thumbnail.
Description
Technical field
The present invention discloses a kind of method realizing F.F., belongs to the application of VOD system, specifically a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system.
Background technology
Digital video switching box, box on so-called Set Top Box or machine is the equipment connecting television set and outside source.The digital signal of compression can be changed into television content by it, and shows on a television set.Signal can from wire cable, satellite antenna, broadband network and terrestrial broadcasting.Except the image that the content that Set Top Box receives can provide except simulated television, sound, be more to receive digital content, comprise electronic program guides, internet webpage, captions etc.Make user can watch digital television program on existing television set, and carry out interactive digital amusement, education and commercialization activity by network.
Utilize Set Top Box request program to watch the mode becoming the new appreciation program of user at present, wherein during user's F.F., adopt the mode of progress bar to realize F.F. and rewind function.But adopting which user intuitively cannot reach the progress of expection, F.F. or rewind repeatedly just can reach required viewing location repeatedly possibly, not only affect viewing experience, and also efficiency is low.The invention provides a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system for this reason, a kind of method using thumbnail to carry out F.F. and rewind is realized in HLS protocol VOD system, pass through the method, when user's movies on demand carries out F.F., thumbnail in direct access stream pushing server, and side presents with queue form on a progress bar, user can according to the content choice progress in thumbnail.
HLS, HttpLiveStreaming are the agreements for real-time streaming transport defined by Apple company, and HLS realizes based on http protocol, and transferring content comprises two parts, and one is M3U8 description document, and two is TS media files.
Summary of the invention
The present invention is directed to current Set Top Box adopts progress bar to realize F.F. and rewind, F.F. or rewind repeatedly just can reach required viewing location repeatedly, affect viewing experience, inefficient problem, providing a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, passing through the method, when user's movies on demand carries out F.F., thumbnail in direct access stream pushing server, and side presents with queue form on a progress bar, user can according to the content choice progress in thumbnail.
The concrete scheme that the present invention proposes is:
A kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, after utilizing section server to cut into slices according to certain time length to program, one two field picture is chosen to each section TS file and generates thumbnail, the thumbnail of generation is compressed in units of program, upload to distributed central store server, thumbnail compressed file is downloaded to vod server and decompress(ion), when F.F. is carried out in user's request program, thumbnail in direct access vod server, and side presents with queue form on a progress bar, user is according to the content choice progress in thumbnail, user clicks the broadcasting that corresponding thumbnail realizes corresponding video file.
To described each section TS file, choose the first two field picture or this two field picture of centre position or last frame Computer image genration thumbnail.
Described thumbnail title is identical with corresponding TS file name, and thumbnail image format adopts JPG form.
Usefulness of the present invention is:
After the present invention utilizes section server to cut into slices according to certain time length to program, one two field picture is chosen to each section TS file and generates thumbnail, the thumbnail of generation is compressed in units of program, upload to distributed central store server, thumbnail compressed file is downloaded to vod server and decompress(ion), when F.F. is carried out in user's request program, thumbnail in direct access vod server, and side presents with queue form on a progress bar, user is according to the content choice progress in thumbnail, user clicks the broadcasting that corresponding thumbnail realizes corresponding video file, wherein for ease of using thumbnail to realize fast-forward functionality, preferred thumbnail title is identical with corresponding TS file name, thumbnail image format adopts JPG, the corresponding multiple TS of each program cuts into slices file, and the corresponding hypertonic sketch map of each section file, is reduce file index quantity, accelerates file reading speed, is compressed by thumbnail to deposit rear storage and to data center in units of program, all thumbnails of program are all compressed storage from technical standpoint by the present invention, greatly reduce storing pressure, present progress with the form of thumbnail from user's use angle when F.F., obviously promote customer experience, user is provided efficiency of selection.
Embodiment
The present invention is a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, after utilizing section server to cut into slices according to certain time length to program, one two field picture is chosen to each section TS file and generates thumbnail, the thumbnail of generation is compressed in units of program, upload to distributed central store server, thumbnail compressed file is downloaded to vod server and decompress(ion), when F.F. is carried out in user's request program, thumbnail in direct access vod server, and side presents with queue form on a progress bar, user is according to the content choice progress in thumbnail, user clicks the broadcasting that corresponding thumbnail realizes corresponding video file.
Embodiment 1
According to a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, adopting slice type server Tecal, supporting RAID0,1,10,5,50,6,60,512M/1GBRAIDCache; Expansion support 2 PCIex16MEZZ interfaces, support expansion 1 PCIex16 standard card;
By a complete documentary film program, the China on the such as the tip of the tongue, according to the durations section of certain 3 minutes, by the thumbnail of the first two field picture generation fixed size of each TS file after cut into slices;
For ease of using thumbnail to realize fast-forward functionality, need specify that thumbnail title is identical with corresponding TS file name, thumbnail image format adopts JPG;
The corresponding multiple TS of each program cuts into slices file, and the corresponding hypertonic sketch map of each section file, is reduce file index quantity, accelerates file reading speed, is compressed by thumbnail to deposit rear storage and to data center in units of film;
Vod server, when pulling program, first downloads the thumbnail compressed file of the China the tip of the tongue, after having downloaded, by thumbnail compressed file decompress(ion) from data center;
When client clicks fast forward button, side presents thumbnail in the mode of queue on a progress bar, selects for user, and user clicks the broadcasting that corresponding thumbnail can realize corresponding video file.
Embodiment 2
According to a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, adopting slice type server Tecal, supporting RAID0,1,10,5,50,6,60,512M/1GBRAIDCache; Expansion support 2 PCIex16MEZZ interfaces, support expansion 1 PCIex16 standard card;
By a complete motion pictures, such as iron and steel chivalrous 2, according to the durations section of certain 5 minutes, by the thumbnail of the last frame Computer image genration fixed size of each TS file after having cut into slices;
For ease of using thumbnail to realize fast-forward functionality, need specify that thumbnail title is identical with corresponding TS file name, thumbnail image format adopts JPG;
The corresponding multiple TS of each film cuts into slices file, and the corresponding hypertonic sketch map of each section file, is reduce file index quantity, accelerates file reading speed, is compressed by thumbnail to deposit rear storage and to data center in units of film;
Vod server, when pulling film, first downloads the thumbnail compressed file of film, after having downloaded, by thumbnail compressed file decompress(ion) from data center;
When client clicks fast forward button, side presents thumbnail in the mode of queue on a progress bar, selects for user, and user clicks the broadcasting that corresponding thumbnail can realize corresponding video file.
Embodiment 3
According to a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, adopting slice type server Tecal, supporting RAID0,1,10,5,50,6,60,512M/1GBRAIDCache; Expansion support 2 PCIex16MEZZ interfaces, support expansion 1 PCIex16 standard card;
By a complete concert, the concert of such as Zhou Jielun, according to the durations section of certain 4 minutes, by the thumbnail being in centre position one two field picture generation fixed size of each TS file after cut into slices;
For ease of using thumbnail to realize fast-forward functionality, need specify that thumbnail title is identical with corresponding TS file name, thumbnail image format adopts JPG;
The corresponding multiple TS of each program cuts into slices file, and the corresponding hypertonic sketch map of each section file, is reduce file index quantity, accelerates file reading speed, is compressed by thumbnail to deposit rear storage and to data center in units of film;
Vod server, when pulling program, first downloads the thumbnail compressed file of Zhou Jielun concert, after having downloaded, by thumbnail compressed file decompress(ion) from data center;
When client clicks fast forward button, side presents thumbnail in the mode of queue on a progress bar, selects for user, and user clicks the broadcasting that corresponding thumbnail can realize corresponding video file.
Claims (3)
1. one kind realizes the method for F.F. based on using thumbnail in HLS protocol VOD system, after it is characterized in that utilizing section server to cut into slices according to certain time length to program, one two field picture is chosen to each section TS file and generates thumbnail, the thumbnail of generation is compressed in units of program, upload to distributed central store server, thumbnail compressed file is downloaded to vod server and decompress(ion), when F.F. is carried out in user's request program, thumbnail in direct access vod server, and side presents with queue form on a progress bar, user is according to the content choice progress in thumbnail, user clicks the broadcasting that corresponding thumbnail realizes corresponding video file.
2. according to according to claim 1 a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, it is characterized in that described each section TS file, choose the first two field picture or this two field picture of centre position or last frame Computer image genration thumbnail.
3. according to claim 2 a kind of based on using thumbnail to realize the method for F.F. in HLS protocol VOD system, it is characterized in that described thumbnail title is identical with corresponding TS file name, thumbnail image format adopts JPG form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429474.2A CN105187918A (en) | 2015-07-21 | 2015-07-21 | Method for realizing fast forward by using thumbnail in HLS protocol-based on-demand system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429474.2A CN105187918A (en) | 2015-07-21 | 2015-07-21 | Method for realizing fast forward by using thumbnail in HLS protocol-based on-demand system |
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| Publication Number | Publication Date |
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| CN105187918A true CN105187918A (en) | 2015-12-23 |
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| CN201510429474.2A Pending CN105187918A (en) | 2015-07-21 | 2015-07-21 | Method for realizing fast forward by using thumbnail in HLS protocol-based on-demand system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107172475A (en) * | 2017-04-21 | 2017-09-15 | 腾讯科技（深圳）有限公司 | The playing method and device of video |
| CN110809184A (en) * | 2018-08-06 | 2020-02-18 | 北京小米移动软件有限公司 | Video processing method, device and storage medium |
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Application publication date: 20151223 |