CN105704510A - Video processing method and device - Google Patents
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- CN105704510A CN105704510A CN201410690348.8A CN201410690348A CN105704510A CN 105704510 A CN105704510 A CN 105704510A CN 201410690348 A CN201410690348 A CN 201410690348A CN 105704510 A CN105704510 A CN 105704510A
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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
- H04N21/23—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
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Abstract
The invention discloses a video processing method and device. The method includes the following steps that: first video content from a content delivery network (CDN) is received, wherein the code rate of the first video content is greater than a predetermined threshold value; transcoding processing is performed on the first video content, so that second video content of which the code rate is smaller than the predetermined threshold value is obtained; and the second video content is sent to the CDN. With the video processing method and device of the invention adopted, the problem that high-definition video playing services cannot be provided for low-bandwidth users in the prior art can be solved, and therefore, high-definition video services can be provided for the low-bandwidth users, and user experience can be enhanced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method for processing video frequency and device。
Background technology
Along with the fast development of video display industry and the Internet, increasing video content enters the visual field of consumer；The content of film and television and the requirement of play quality are also more and more higher by consumer, this causes video content constantly to high definition diverse development, 720P, the high-definition movie of 1080P, even 4K, television content continue to bring out as emerged rapidly in large numbersBamboo shoots after a spring rain, in order to support the film source content viewing of more fine definition, certainly will require that terminal use upgrades oneself bandwidth。
Adding up according to the middle ten days in 2013, China reaches the broadband user of 4M less than 40%；In Europe such as Switzerland, the bandwidth for IPTV and business of networking is about 5M；And the bandwidth in the Central Asia, Southeast Asia major part user only has 2M。Bandwidth, remains the Main Bottleneck hindering video development。
Industry a lot of operators at present are introduced directly into high definition sheet source contents, these contents are characterized by that file is bigger, taking very big transmission bandwidth and memory space, to the requirement of video system and of great impact, only the high end terminals user of part just can enjoy relevant service。
For in correlation technique, it is impossible to the user for low bandwidth provides HD video to play the problem of service, does not also propose effective solution。
Summary of the invention
The invention provides a kind of method for processing video frequency and device, with the problem at least solving HD video to be provided to play service for the user of low bandwidth in correlation technique。
According to an aspect of the invention, it is provided a kind of method for processing video frequency, including: receiving the first video content from content distributing network CDN, wherein, the code check of described first video content is more than predetermined threshold；Described first video content is carried out transcoding process and obtains the code check the second video content less than described predetermined threshold；Described second video content is sent to described CDN。
Further, described first video content carries out transcoding process and obtain code check and include less than the second video content of described predetermined threshold: adopt low bit-rate high definition LBHD technology that described first video content carries out transcoding and process and obtain described second video content。
Further, described first video content is via the described CDN video content received from Content Management System CMS。
According to a further aspect in the invention, additionally provide another kind of method for processing video frequency, including: obtain the code check the first video content more than predetermined threshold；Described first video content is sent to transcoding server, and wherein, described transcoding server obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；Receive the second video content that described forwarding server sends。
Further, obtain code check to include more than the first video content of predetermined threshold: obtain described first video content from Content Management System CMS。
Further, include after receiving the second video content that described forwarding server sends: described second video content is sent to electric program menu EPG。
Further, after receiving the second video content that described forwarding server sends, also including: send a notification message to Content Management System CMS, wherein, described first video content is converted into described second video content for notice by this notification message；After receiving described notification message, attribute information and the authority distribution information of described second video content are sent to electric program menu EPG via Business Management Platform BMS by described CMS。
According to an aspect of the invention, it is provided a kind of video process apparatus, this device is applied to transcoding server, described device includes: receiver module, for receiving the first video content from content distributing network CDN, wherein, the code check of described first video content is more than predetermined threshold；Transcoding module, obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；Sending module, for sending described second video content to described CDN。
Further, described transcoding module be additionally operable to adopt low bit-rate high definition LBHD technology described first video content is carried out transcoding process obtain described second video content。
According to another aspect of the present invention, additionally providing another kind of video process apparatus, be applied to content distributing network CDN, described device includes: acquisition module, for obtaining the code check the first video content more than predetermined threshold；First sending module, for described first video content is sent to transcoding server, wherein, described transcoding server obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；Receiver module, for receiving the second video content that described forwarding server sends。
Further, described acquisition module is additionally operable to obtain described first video content from Content Management System CMS。
Further, described device also includes: the second sending module, for described second video content is sent to electric program menu EPG。
By the present invention, adopting and receive the first video content from content distributing network CDN, wherein, the code check of the first video content is more than predetermined threshold；First video content is carried out transcoding process and obtains the code check the second video content less than predetermined threshold；Second video content is sent to CDN。Solve in correlation technique and HD video can not be provided to play the problem of service for the user of low bandwidth, and then achieve the user for low bandwidth and provide HD video to play service, improve Consumer's Experience。
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention。In the accompanying drawings:
Fig. 1 is the flow chart of method for processing video frequency according to embodiments of the present invention；
Fig. 2 is the structured flowchart of video process apparatus according to embodiments of the present invention；
Fig. 3 is the flow chart one of method for processing video frequency according to embodiments of the present invention；
Fig. 4 is the structured flowchart one of video process apparatus according to embodiments of the present invention；
Fig. 5 is the structured flowchart two of video process apparatus according to embodiments of the present invention；
Fig. 6 is network structure according to embodiments of the present invention；
Fig. 7 is that content according to embodiments of the present invention injects flow chart；
Fig. 8 is user's service flow diagram according to embodiments of the present invention。
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments。It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined。
Providing a kind of method for processing video frequency in the present embodiment, Fig. 1 is the flow chart of method for processing video frequency according to embodiments of the present invention, as it is shown in figure 1, this flow process comprises the steps:
Step S102, receives the first video content from content distributing network CDN, and wherein, the code check of the first video content is more than predetermined threshold；
Step S104, carries out the first video content transcoding process and obtains the code check the second video content less than predetermined threshold；
Step S106, sends the second video content to this CDN。
Pass through above-mentioned steps, code check is carried out transcoding process more than the first video content of predetermined threshold and obtains the code check the second video content less than predetermined threshold, thus when limited bandwidth resources, better develop HD video business, compared in prior art, only part high end terminals user just can enjoy relevant service, above-mentioned steps solves the problem that HD video can not be provided to play service for the user of low bandwidth in correlation technique, and then achieve the user for low bandwidth and provide HD video to play service, improve Consumer's Experience。
Above-mentioned steps S104 relate to the first video content is carried out transcoding process obtain the code check the second video content less than predetermined threshold, it should be noted that, by multiple technologies, video content can be carried out transcoding process, in one alternate embodiment, adopt low bit-rate high definition LBHD technology that the first video content carries out transcoding process and obtain the second video content。
In one alternate embodiment, the first video content is via the CDN video content received from Content Management System CMS。
Additionally providing a kind of video process apparatus in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation。As used below, term " module " can realize the software of predetermined function and/or the combination of hardware。Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated。
Fig. 2 is the structured flowchart of video process apparatus according to embodiments of the present invention, and this device is applied to transcoding server, as shown in Figure 2, this device includes: receiver module 22, for receiving the first video content from content distributing network CDN, wherein, the code check of the first video content is more than predetermined threshold；Transcoding module 24, obtains the code check the second video content less than predetermined threshold for the first video content carries out transcoding process；Sending module 26, for sending the second video content to CDN。
Alternatively, transcoding module 24 be additionally operable to adopt low bit-rate high definition LBHD technology the first video content is carried out transcoding process obtain the second video content。
Providing another kind of method for processing video frequency in another embodiment, Fig. 3 is the flow chart one of method for processing video frequency according to embodiments of the present invention, as it is shown on figure 3, this flow process comprises the steps:
Step S302, obtains the code check the first video content more than predetermined threshold；
Step S304, is sent to transcoding server by the first video content, and wherein, transcoding server obtains the code check the second video content less than predetermined threshold for the first video content carries out transcoding process；
Step S306, receives the second video content that forwarding server sends。
Pass through above-mentioned steps, code check is sent to transcoding server more than the first video content of predetermined threshold, carried out transcoding process by transcoding server and obtain the code check the second video content less than predetermined threshold, thus when limited bandwidth resources, better develop HD video business, compared in prior art, only part high end terminals user just can enjoy relevant service, above-mentioned steps solves the problem that HD video can not be provided to play service for the user of low bandwidth in correlation technique, and then achieve the user for low bandwidth and provide HD video to play service, improve Consumer's Experience。
In one alternate embodiment, the first video content is obtained from Content Management System CMS。
In one alternate embodiment, the second video content is sent to electric program menu EPG, in order to the first video content is supplied to user
Further, after receiving the second video content that this forwarding server sends, also including: send a notification message to Content Management System CMS, wherein, this first video content is converted into this second video content for notice by this notification message；After receiving this notification message, attribute information and the authority distribution information of this second video content are sent to electronic program EPG via Business Management Platform BMS by this CMS。
Additionally providing a kind of video process apparatus in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation。As used below, term " module " can realize the software of predetermined function and/or the combination of hardware。Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated。
Fig. 4 is the structured flowchart one of video process apparatus according to embodiments of the present invention, is applied to content distributing network CDN, and as shown in Figure 4, this device includes: acquisition module 42, for obtaining the code check the first video content more than predetermined threshold；First sending module 44, for the first video content is sent to transcoding server, wherein, transcoding server obtains the code check the second video content less than predetermined threshold for this first video content carries out transcoding process；Receiver module 46, for receiving the second video content that forwarding server sends。
Alternatively, acquisition module 42 is additionally operable to obtain this first video content from Content Management System CMS。
Fig. 5 is the structured flowchart two of video process apparatus according to embodiments of the present invention, as it is shown in figure 5, the second sending module 48, for the second video content is sent to electric program menu EPG。
It should be noted that above-mentioned modules can be by software or what hardware realized, for the latter, it is possible to be accomplished by, but it is not limited to this: above-mentioned modules is respectively positioned in same processor；Or, above-mentioned modules lays respectively at first processor, the second processor and the 3rd processor ... in。
Illustrate for example with IPTV (InternetProtocolTelevision, referred to as IPTV) below。
When current limited bandwidth resource, how better development HD video business, becomes one new opportunity of video development field。
Relational language illustrates:
Content Management System: ContentManagementSystem, referred to as CMS, content is injected by CMS by content supplier；
Content distributing network: ContentDeliveryNetwork, referred to as CDN, is scheduling video content；
Electric program menu: ElectronicProgramGuide, referred to as EPG, the information such as show content program, column, channel, review, it is responsible for the program request of response user, the service request such as live；
Alternative embodiment of the present invention provides a kind of method of servicing realizing low code high-definition content content, it is possible in low bandwidth situation, provide the user the Play Server of high definition。
In order to realize the low bandwidth service of high definition film source, this alternative embodiment adopts the technical scheme that
1, content inject differentiation process, by Content Management System compatible processing SD content, high-definition content, low code high-definition content injection；
2, content delivering system is responsible for the high-definition content injected is done special transcoding process, and the content after transcoding carries out the whole network distribution and scheduling again；
3, EGP carries out unified management for low code high-definition content according to column, provides the Video service of differentiation for different user groups；
4, use LBHD encoder that HD video content is encoded unloading, when keeping spectators' visual experience, maximum compression video content；
This alternative embodiment is applied to after in video TV business, operator is carried out video traffic and will can play very big progradation, having the beneficial effects that of this alternative embodiment:
1, present the high-definition program originally needing 6-8M by 3.5M bandwidth, the visual experience of spectators is without any difference；
2, customer group is expanded。In conjunction with Discarded Packets compensation, forward error correction, original Asymmetrical Digital Subscriber Line (AsymmetricalDigitalSubscriberLine can be broken through, referred to as ADSL) user can only cover the restriction of 3km, and increase and cover 7km, cover user and increase considerably。
3, high definition business is carried out。Such as user bandwidth only has the operator of 4M, it is impossible to the high definition business of carrying 6-8M, uses LBHD encoder, can open high definition channel and request program, increases the viscosity of user。
4, the video traffic manageability under mobile environment is increased。The bandwidth of mobile environment is not enough, even Long Term Evolution (Long-TermEvolution, referred to as LTE), bandwidth is also unstable, is also not enough to provide real-time live broadcast program, it is necessary to ensure the low bit-rate solution of picture quality。
5, reducing the memory space of CDN, the cost reducing IPTV puts into and O&M expense。
6, user's rate are reduced。Mobile subscriber is usually and carrys out charging by flow, provides identical video information with less code check, effectively reduces the campus network of user。
This alternative embodiment achieves the storage of the low code to a high-definition content and service, and its overall procedure can be undertaken by the following step that processes:
1, content inject differentiation process, by Content Management System compatible processing SD content, high-definition content, low code high-definition content injection；
2, content delivering system is responsible for the high-definition content transcoding injected is processed；
3, CDN is by transcoding content scheduling to Centroid；
4, user passes through control of authority, directly plays low code high-definition content；
Fig. 6 is network structure according to embodiments of the present invention, and as shown in Figure 6, high-definition content is injected CDN system by CMS by content supplier, and content is published to forwarding server and carries out transcoding compression by CDN；BMS system is responsible for successful for issue data carry out packing and authority distribution, and relevant information needs to be synchronized to EPG and is shown；User directly asks high definition service by terminal set top box to EPG, and EPG splicing broadcasting URL is directed to low code high-definition content and provides the user the broadcasting service of low code high-definition content；
Below above-mentioned steps is described in detail:
Fig. 7 is that content according to embodiments of the present invention injects flow chart, as it is shown in fig. 7, in step s 701, high definition film source is injected into CDN by CMS by content supplier。For compatible SD content, high-definition content, low code high-definition content, CMS, when notifying that CDN injects content, distinguishes different injection way by identifying, and for the injection of low code high-definition content, CDN does low transcoding and processes；
CMS needs to be bundled under corresponding column node low code high-definition content simultaneously, this column node authority is assigned to corresponding user grouping, in order to specific user crowd can be carried out propelling movement and the operation of low code high-definition content by operator；
In step S702, the high-definition content needing transcoding, when receiving content and injecting request, is notified that transcoding server carries out transcoding by CDN；
For SD content or the high-definition content not needing transcoding, content is directly pushed to Centroid by CDN；
In step S703, transcoding server adopts LBHD technology, and drop-down high definition film source carries out transcoding, and the film source after transcoding is issued to low code high definition node, stores and notifies after successfully that CDN film source is issued successfully；
In step S704, successful for issue low code high-definition content is pulled down to Centroid by CDN, follow-up provides the user the whole network service to facilitate；Centroid directly stores from the drop-down corresponding sheet source data of low code high definition node to this locality；
In step S705, after the drop-down data success of CDN, notify the low code corresponding content-data of high definition knot removal, to save space；
CDN needs notice CMS content to inject successfully simultaneously；
In step S706, after CMS receives the return message of CDN, update content state is for issue successfully；
CMS refreshes local data so that the successful content-data of issue to be shown simultaneously need to successful content synchronization will be issued to EPG, EPG；
So far, the low transcoding completing a high-definition content is issued；Being that example illustrates below in conjunction with user terminal, how user watches high-definition content by low bandwidth, and Fig. 8 is user's service flow diagram according to embodiments of the present invention, and as shown in Figure 8, this flow process includes:
Step S801, user opens 4M broadband by telecommunications, movement or other broadband service business, opens IPTV service by telecommunications application；
Step S802, user's request logs in IPTV system,
Step S803, user's logon information is authenticated by system background, and the authority according to user shows low code high-definition content；
Step S804, logins successfully；
User enters the EPG masterplate page, selects to enter HD video prefecture, selects to play high-definition content；
Step S805, EPG ask high-definition content to be play to CDN, and the low transcoding film source of high-definition content is called by CDN, and send relevant code stream to terminal, and high definition film source transmission bandwidth after transcoding is 3.5M；
Step S806, if requesting node cannot find broadcasting content, CDN is play by the scheduling of Centroid content；
Step S807, return can play out by service node。
In sum, the present invention is by storing the transcoding of high-definition content, under the precondition not affecting HD video play quality, it is possible to save memory space and transmission bandwidth greatly；Reduce the input cost of video service system on the one hand, push HD video to more terminal consumption user on the other hand, give full play to the value of network, carry out video traffic for operator is significantly more efficient。
In another embodiment, additionally providing a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation。
In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned software, and this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.。
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize。So, the present invention is not restricted to the combination of any specific hardware and software。
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (12)
1. a method for processing video frequency, it is characterised in that including:
Receiving the first video content from content distributing network CDN, wherein, the code check of described first video content is more than predetermined threshold；
Described first video content is carried out transcoding process and obtains the code check the second video content less than described predetermined threshold；
Described second video content is sent to described CDN。
2. method according to claim 1, it is characterised in that described first video content is carried out transcoding and processes and obtain code check and include less than the second video content of described predetermined threshold:
Adopt low bit-rate high definition LBHD technology that described first video content carries out transcoding process and obtain described second video content。
3. method according to claim 1, it is characterised in that described first video content is via the described CDN video content received from Content Management System CMS。
4. a method for processing video frequency, it is characterised in that including:
Obtain the code check the first video content more than predetermined threshold；
Described first video content is sent to transcoding server, and wherein, described transcoding server obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；
Receive the second video content that described forwarding server sends。
5. method according to claim 4, it is characterised in that obtain code check and include more than the first video content of predetermined threshold:
Described first video content is obtained from Content Management System CMS。
6. method according to claim 4, it is characterised in that include after receiving the second video content that described forwarding server sends:
Described second video content is sent to electric program menu EPG。
7. method according to claim 4, it is characterised in that after receiving the second video content that described forwarding server sends, also include:
Sending a notification message to Content Management System CMS, wherein, described first video content is converted into described second video content for notice by this notification message；
After receiving described notification message, attribute information and the authority distribution information of described second video content are sent to electric program menu EPG via Business Management Platform BMS by described CMS。
8. a video process apparatus, this device is applied to transcoding server, it is characterised in that described device includes:
Receiver module, for receiving the first video content from content distributing network CDN, wherein, the code check of described first video content is more than predetermined threshold；
Transcoding module, obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；
Sending module, for sending described second video content to described CDN。
9. device according to claim 8, it is characterised in that described transcoding module is additionally operable to adopt low bit-rate high definition LBHD technology that described first video content carries out transcoding process and obtains described second video content。
10. a video process apparatus, is applied to content distributing network CDN, it is characterised in that described device includes:
Acquisition module, for obtaining the code check the first video content more than predetermined threshold；
First sending module, for described first video content is sent to transcoding server, wherein, described transcoding server obtains the code check the second video content less than described predetermined threshold for described first video content carries out transcoding process；
Receiver module, for receiving the second video content that described forwarding server sends。
11. device according to claim 10, it is characterised in that described acquisition module is additionally operable to obtain described first video content from Content Management System CMS。
12. device according to claim 10, it is characterised in that described device also includes:
Second sending module, for being sent to electric program menu EPG by described second video content。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410690348.8A CN105704510A (en) | 2014-11-25 | 2014-11-25 | Video processing method and device |
| PCT/CN2016/071957 WO2016082806A1 (en) | 2014-11-25 | 2016-01-25 | Video processing method and device |
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| CN201410690348.8A CN105704510A (en) | 2014-11-25 | 2014-11-25 | Video processing method and device |
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| WO (1) | WO2016082806A1 (en) |
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| CN111432248A (en) * | 2020-03-30 | 2020-07-17 | 北京百度网讯科技有限公司 | Quality monitoring method and device for live video stream |
| CN113055673A (en) * | 2021-04-23 | 2021-06-29 | 北京汇钧科技有限公司 | Video stream processing method and device, electronic equipment and storage medium |
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| CN104349178B (en) * | 2014-11-21 | 2018-02-09 | 赛特斯信息科技股份有限公司 | Realize real-time transcoding and the system and method for self-adaption code rate streaming media playing on demand |
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| CN102231810A (en) * | 2011-06-13 | 2011-11-02 | 苏州汉辰数字多媒体有限公司 | Ground digital television system with wired transmission and wireless coverage |
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| US20140112384A1 (en) * | 2012-10-22 | 2014-04-24 | General Instrument Corporation | Algorithms for determining bitrate for a statistical multiplexing system using scene change |
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| WO2016082806A1 (en) | 2016-06-02 |
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Application publication date: 20160622 |