CN102333243A - VOD (video on demand) device of streaming media in live broadcast - Google Patents
VOD (video on demand) device of streaming media in live broadcast Download PDFInfo
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- CN102333243A CN102333243A CN2010102255933A CN201010225593A CN102333243A CN 102333243 A CN102333243 A CN 102333243A CN 2010102255933 A CN2010102255933 A CN 2010102255933A CN 201010225593 A CN201010225593 A CN 201010225593A CN 102333243 A CN102333243 A CN 102333243A
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Abstract
The invention provides a device (100) for supporting live broadcast and VOD (video on demand) of network streaming media. The device comprises a signal input interface module (20), a real-time coding module (30), a live broadcast module (40), a memory module (50), a VOD module (70) and a network interface module (130), wherein the signal input interface module (20) is used for receiving video streaming programs from a streaming media source (10); the real-time coding module (30) is used for coding the received video streaming programs in real time; the live broadcast module (40) is used for receiving a live broadcast request by the network interface (130) and carrying out the live broadcast on the video streaming programs coded by the real-time coding module; the memory module (50) is used for storing the video streaming programs in the live broadcast and saving the stored video streaming programs which are used for the VOD by the VOD module (70) in a definite term; the VOD module (70) is used for carrying out the VOD on the stored video streaming programs in the memory module (50) in the definite term; and the network interface module (130) is used for receiving video live broadcast and VOD requests from a client-side (120) and sending the contents of corresponding live broadcast or VOD video streaming programs in accordance with the live broadcast and VOD requests.
Description
Technical field
The present invention relates to a kind of live streaming media time shift on-demand device.
Background of invention
China common people to the consumption of the information content from initial listening to the radio programme, read newspaper, seeing passive receive modes such as TV, to beginning to utilize network initiatively to obtain the most relevant most interested content-message with oneself.The carrier of information propagation simultaneously expands channel more such as computer, mobile phone, mobile TV, mobile multimedia to also from paper, broadcast receiver, television set.The consumer has increasing autonomy, and this just means that also media industry must hold historical opportunity, in this change, makes full use of intrinsic advantage, selects new relay form, and the watching mode of differentiation is provided, and good interactive model.
Current, Web TV is the technology of a popular development, through television content is combined with network, can live, order video program, and to the user program viewing experience more easily is provided.Existing internet video live broadcasting time shift VOD system is made up of independently Internet video coded system, Internet video service system usually, and wherein the Internet video coded system receives input sources such as various AV, SDI, ASI, and real-time coding is a network video stream then.The Internet video service system is used to receive network video stream, and the internet video live broadcasting service is provided for the user.But existing network video system lacks the interactive module necessary with the end user, compared to traditional tv, except transmission medium becomes the IP network from the HFC cable TV network, does not have too big advantage.And along with the extensive use of high sharpness video form, Internet video is to quality, the definition of video content and watch smooth degree also to have higher requirement.And traditional system like the average family broadband, is difficult to satisfy the demand that high-quality is play under band-limited situation.
Summary of the invention
The present invention provides a kind of high integrated interactive live streaming media on-demand device; Can be media industry mechanism, school, Party and government offices, armies etc. such as TV station, radio station, papers and magazines provides high integration interactive stream media system solution, provides the online of form such as the video content coding of IP based network, live, time shift, program request to watch.For providing Internet video interview, Excellent Courseware, other enterprises and institutions such as each radio, TV and film industries mechanism, government bodies, army of school record and service such as program request, and the direct broadcast service of competitive sports, party, momentous conference, large-scale activity etc.
The present invention provides the device of a kind of network enabled live streaming media and video request program, and being used for provides live and streaming medium content video request program to client.Said device comprises: the signal input interface module is used to receive the video program stream from the Streaming Media source; The real-time coding module is used for the video program stream that receives is carried out real-time coding; Live module receives live request through network interface, live video program stream behind the real-time coding module coding; Memory modules is used for the live video program stream of storage when live, and in the definite term, preserves the video program stream of said storage, is used for the program request of a broadcasting module; The point broadcasting module is used for program request in the said definite term, is stored in the said video program stream in the said internal memory; Network Interface Module is used to receive net cast, the order request of client, and sends corresponding live or order video content stream according to described live, order request.
The device of network enabled live streaming media of the present invention and video request program also comprises the performance recording module; Be used for live video stream program is recorded to said memory modules; And optionally mark program, and after the said definite term, store the video program stream that marks into hard disk, flash memory.
The device of network enabled live streaming media of the present invention and video request program, said memory modules also has the key frame of video program stream, and as the preview image of program, affiliated key frame is one section content of related-program middle.
The key frame of aforesaid program stream stores said hard disk, flash memory into corresponding program stream.
When the video program stream of said some broadcasting module program request in the device of network enabled live streaming media of the present invention and video request program surpassed said definite term, described some broadcasting module searched the video flowing of wanting program request from said hard disk, flash memory.
In addition, the live module of the device of network enabled live streaming media of the present invention and video request program is cut trailer earlier after the live request of receiving client, and at live end back switchback trailer.
The client of the device of foregoing network enabled live streaming media and video request program is mobile phone, computer, mobile TV or STB.
Figure of description
Fig. 1 is the integrated interactive live streaming media VOD system structure chart of height of the present invention.
Embodiment
Shown in Figure 1 for comprising the high integrated interactive live streaming media VOD system of the integrated interactive live streaming media on-demand device 100 of height of the present invention.Wherein, The integrated interactive live streaming media on-demand device 100 of height of the present invention mainly comprises following module: signal input interface module 20, real-time coding module 30, internal memory 40, live module 50, time shift module 60, some broadcasting module 70, record module 80, memory 90, content managing module 100, signal output interface module 130 etc.
Signal input interface module 20; For example IP, AV (looking COBBAIF), SDI (digital component serial line interface), ASI interfaces such as (Asynchronous Serial Interfaces); All kinds of audio frequency TV programme signal streams of looking that transmit in receiving stream media source 10; For example, the program that broadcast the program that channel broadcasts, cable TV is relayed, studio etc.When Signal interface module 20 of the present invention is the ASI interface, can select MPTS (Polymera transmits stream) support module to realize reception to the multichannel combined-flow.Signal output interface module 130 is used for the streamium tv programme content after being handled by the integrated interactive live streaming media on-demand device of height of the present invention is sent to user side; And can receive some instructions of user side; In the present invention, signal output interface module 130 is the IP interface.
Real-time coding module 30 receives the content of TV program of the Streaming Media form of receiving from signal input interface module 20, and it is encoded.The mode of coding can be selected H.264 the video of single or a plurality of television channels is carried out (MPEG4AVC), or the real-time coding of other high-performance code forms.The user can select the configuration of height code check, realizes dicode rate real-time coding output.
Live module 40 is accepted the live request that client 120 transmits through network 110, sends video flowing for client 120 with multicast mode.The user client 120 can through with mouse and/or keyboard (; For example; The terminal use is the pc user) click the user interface application corresponding on the PC; Perhaps with the request of sending that should be used on the remote controller selector top box median surface, the cellphone subscriber can also use input keyboard on mobile phone interface, to select application corresponding.
Live process may further comprise the steps: earlier signal is directly inputted in the live streaming media on-demand device 20 of the present invention.Then the trailer signal is switched to live signal, before live signal, puts into trailer, can let client 120 the user program do not begin formal live before, the expectation sense is arranged.When live, the monitoring of beginning lasting effect, whether normal, for example, with artificial visual monitoring and clock timing, set a time range by experience if observing live delay, and normally several seconds time, it is more normal that the delay in this scope is just thought; And whether observation signal source code effect can be continual and steady, guarantees image quality.In live, store programme content into memory modules 50.Etc. live end back switchback trailer signal.The trailer signal for example is advertisement.
In addition, when live, get ready in real time, record, be used for providing the recommendation of wonderful to the user.Because the time shift characteristic of interactive network broadcast live device of the present invention; The getting recording operation ready and can after live end, carry out of programme televised live; Be recorded to hard disk or external memory device, a broadcasting module can directly be uploaded with the video of recording automatically in the backstage, so that carry out interactive VOD.
Memory modules 50 has enough spaces and supports direct broadcast time-shift and video request program (VOD).For example, the internal memory of 40G can be supported the memory stores of a couple of days program, directly by program scheduler, and directly obtains corresponding data from the internal storage location the inside from user's request, and makes server support large user count Real-time and Concurrent.In live process with the streamium tv programme content of live compression and relevant EPG (electronic program guides) content stores to/be recorded to memory modules 50.Owing in EPG, have event description table EIT, listed all programme contents that comprised in the current media stream.Comprise zero-time, duration of program unique identification (EVENTID), program etc. in these programme informations.Each program is assigned with a unique ID of program; For example: CCTV00120104281900A1, this sign ID comprise that television channel sign (CCTV), channel number (001), time are used to discern program to minute (19:00 on April 28th, 2010), automatic numbering (A1).And the key frame of programs stored in storage/program recording, key frame for example can be selected the picture after the 3rd second, the picture of program middle section etc., as the preview image of program, send to user client, the use during as video request program.The form of program storage is FLV (Flash Video) form.
When above-mentioned storage/recorded program content, optionally program is marked.For example, only mark program with copyright.Then, set a time limit, for example, one month.Surpass this time limit, just the program (for example, advertisement) that does not have mark is deleted.Then the program storage that keeps is arrived hard disk, flash memory or network memory, be used for the video request program of client.
Point broadcasting module 70 is used for order program service to user side 120 being provided.By server end the program that records is carried out content release, for example arrive relevant network, supply the user to select, click and watch and browse.If the program of user's program request was then searched content corresponding and is play in the time limit (one month) of internal memory from internal memory 40.If the program of user's program request has exceeded the above-mentioned time limit,, for example, search relevant content on hard disk, the flash memory or on the network memory 90 then from other memory devices.
Time shift module 60 is used for providing time shift to watch service to user side 120.Time shift is meant in the process that the user sees live, and can pass through player and various operations such as mouse, keyboard, watches the program on the timeline that has broadcasted, and effect moved just as the time.Since the high integrated interactive live streaming media on-demand device of the present invention also with program storage at internal memory 50, like this, backstage and player provide the time-shifting function in the live process in live.
Content managing module 90; Be used to provide the multimedia web site content managing module of feature richness; Realization generates configuration management, masterplate and the webpage of website, television channel, special topic, column, programme and Streaming Media, video content etc., and the reason of spool up and down of content etc.
Back Administration Module, the main realization realized the management to coding module, steaming media platform, VoD platform to systematically being provided with, and realizes user management, rights management, statistical management etc.
The present invention is high, and integrated interactive live streaming media on-demand device also can be matched various value-added service modules; Comprise: the live module of multi-angle, web advertisement management release module, video passback module, video blog module, the live module of welcome guest's interview, performance recording module, video search module etc., thus realize top quality, highly reliable, the high standard operation management of network interdynamic TV and Radio Service.
Because combining with internal memory can solve effectively through the Internet or enterprises dedicated network in program request live and in a short time, the integrated interactive live streaming media on-demand device of height of the present invention realizes the real-time video transmission, to satisfy the demand that net cast, time shift, program request, interaction and many picture angle are watched simultaneously.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1. the device (100) of network enabled live streaming media and video request program is used for live and streaming medium content video request program to client (120) being provided, and it is characterized in that it comprises:
Signal input interface module (20) is used for receiving the video stream program from Streaming Media source (10),
Real-time coding module (30) is used for the video stream program that receives is carried out real-time coding,
Live module (40) receives live request through network interface (130), live video stream program behind the real-time coding module coding,
Memory modules (50) is used for the live video stream program of storage when live, and in the definite term, preserves said video stream stored program, is used for the program request of a broadcasting module (70),
Point broadcasting module (70) is used for program request in the said definite term, is stored in the said video stream program in the said internal memory (50),
Network Interface Module (130) is used to receive net cast, the order request of client (120), and sends corresponding live or order video stream programme content according to described live, order request.
2. the device (100) of network enabled live streaming media according to claim 1 and video request program; It is characterized in that said device also comprises performance recording module (80); Be used for programme televised live is recorded to memory modules (50); And optionally mark the video stream program content, and after the said definite term, store the video stream program that marks into hard disk, flash memory.
3. the device (100) of network enabled live streaming media according to claim 1 and 2 and video request program; It is characterized in that wherein; Said memory modules (50) also has the key frame of video stream program; As the preview image of program, affiliated key frame is one section content of associated video stream program middle.
4. the device (100) of network enabled live streaming media according to claim 3 and video request program is characterized in that the key frame of said video stream program stores said hard disk, flash memory into this video stream program.
5. the device (100) of network enabled live streaming media according to claim 4 and video request program; It is characterized in that; When the video stream program of wherein said some broadcasting module (70) program request surpassed said definite term, described some broadcasting module (70) searched the video stream program of wanting program request from said hard disk, flash memory.
6. the device (100) of network enabled live streaming media according to claim 1 and video request program; It is characterized in that wherein, said live module (40) is after the live request of receiving client (120); Cut trailer earlier, and at live end back switchback trailer.
7. the device (100) of network enabled live streaming media according to claim 1 and video request program is characterized in that wherein said client (120) is mobile phone, computer, mobile TV or STB.
8. the device (100) of network enabled live streaming media according to claim 1 and video request program is characterized in that, wherein said signal input interface module (20) is for the IP interface, look COBBAIF, digital component serial line interface or Asynchronous Serial Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102255933A CN102333243A (en) | 2010-07-14 | 2010-07-14 | VOD (video on demand) device of streaming media in live broadcast |
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| CN2010102255933A CN102333243A (en) | 2010-07-14 | 2010-07-14 | VOD (video on demand) device of streaming media in live broadcast |
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| CN2010102255933A Pending CN102333243A (en) | 2010-07-14 | 2010-07-14 | VOD (video on demand) device of streaming media in live broadcast |
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| CN103974201A (en) * | 2014-05-23 | 2014-08-06 | 北京鸿达以太文化发展有限公司 | Multimedia data live system and method for mobile terminal |
| CN104301744A (en) * | 2013-07-15 | 2015-01-21 | 广州市千钧网络科技有限公司 | Stream compression method and device for live |
| CN104506924A (en) * | 2014-12-23 | 2015-04-08 | 成都德芯数字科技有限公司 | High-integration-level IPTV (Internet Protocol Television) system and working method thereof |
| WO2015085863A1 (en) * | 2013-12-09 | 2015-06-18 | 乐视网信息技术（北京）股份有限公司 | Method and device for playing live broadcast streaming media |
| CN103426336B (en) * | 2013-06-26 | 2015-09-09 | 西安科技大学 | Digitized Teaching Resources in Campus system and using method |
| WO2015172438A1 (en) * | 2014-05-15 | 2015-11-19 | 中兴通讯股份有限公司 | Program playing control method and device |
| CN106162231A (en) * | 2016-07-04 | 2016-11-23 | 天脉聚源(北京)传媒科技有限公司 | The method and device that a kind of net cast turning point is broadcast |
| CN106454396A (en) * | 2016-10-26 | 2017-02-22 | 山东浪潮商用系统有限公司 | Method for improving concurrency of live broadcast time shifted TV |
| CN110087136A (en) * | 2019-06-04 | 2019-08-02 | 北京奇艺世纪科技有限公司 | A kind of service providing method, device and service node |
| CN110582004A (en) * | 2018-06-07 | 2019-12-17 | 青岛海尔多媒体有限公司 | television system of hotel, video playing method and information sharing method |
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| CN103426336B (en) * | 2013-06-26 | 2015-09-09 | 西安科技大学 | Digitized Teaching Resources in Campus system and using method |
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| CN110582004A (en) * | 2018-06-07 | 2019-12-17 | 青岛海尔多媒体有限公司 | television system of hotel, video playing method and information sharing method |
| CN110087136A (en) * | 2019-06-04 | 2019-08-02 | 北京奇艺世纪科技有限公司 | A kind of service providing method, device and service node |
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| CN110784734A (en) * | 2019-11-12 | 2020-02-11 | 广州南翼信息科技有限公司 | Multifunctional player with freely changeable interface |
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Application publication date: 20120125 |