CN101072321A - P2P flow media releasing device - Google Patents
P2P flow media releasing device Download PDFInfo
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- CN101072321A CN101072321A CN 200610061350 CN200610061350A CN101072321A CN 101072321 A CN101072321 A CN 101072321A CN 200610061350 CN200610061350 CN 200610061350 CN 200610061350 A CN200610061350 A CN 200610061350A CN 101072321 A CN101072321 A CN 101072321A
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Abstract
The disclosed P2P stream media issuance device (SMID) is in order to overcome issues that in current technique, content of P2P stream media can be released from computer as well as it is complex application, and higher cost for realization. Through data bus, P2P SMID connects audio/video input module, stream audio/video encoding module, P2P transmission module, control module, and network interface module. SMID integrates the said modules in an independent device. The invention makes release of P2P stream media simple, feasible, and at low cost.
Description
Technical field
The present invention relates to a kind of multimedia issue field, particularly a kind of P2P flow media releasing device.
Background technology
Streaming Media is meant the media formats that the mode of employing stream transmission is transmitted on Internet/Intranet, as audio frequency, video or multimedia file.The key technology that Streaming Media is realized is stream transmission, stream transmission mainly refers to multimedia files such as whole Voice ﹠ Video and three-dimensional medium are resolved to compressed package one by one through specific compress mode, by audio/video server to subscriber computer order or transmission in real time.Streaming Media is not downloaded whole file before issue, the content that just will begin part deposits internal memory in, in computer packet is carried out buffer memory and media data is correctly exported.The data flow of Streaming Media transmits issue at any time at any time, just some delay when beginning.Therefore, in the system that adopts the stream transmission mode, the user only need can utilize the multimedia file decompress(ion)s such as A/V, 3D of decompression apparatus to compression through the startup time-delay of seconds or tens of seconds on user's computer, issues then and watches.The remainder of multimedia file will continue to download in the server on backstage this moment.
Compare with simple downloading mode, this stream transmission mode that multimedia file is issued while downloading not only makes and starts time-delay shortening significantly, and the demand of system cache capacity is also reduced greatly, has greatly reduced the time that the user waits for.
It is higher that yet the limitation of this stream media technology is server performance and network bandwidth requirement, and the number of supporting of watching gets final product limited expansibility.Referring to Fig. 1, the flow-medium performance issue source is that server 10 directly connects numerous issue terminals 20, and is very high to the requirement of the network bandwidth like this, that is to say that the publisher need provide enough bandwidth to satisfy all users and watch, for the 500kbps program source, the 100M bandwidth only can satisfy 200 users.
Along with the development of Internet technology, new streaming medium content distribution technology has appearred, promptly adopt P2P (peer to peer, the equity networking waits connection) technology.Different with former people file in download from the server, P2P be a plurality of terminal uses each download a part, download mutually then, a large number of users is downloaded simultaneously not only and can not resulted in blockage like this, speeds up on the contrary.Referring to Fig. 2, in this technology, P2P server 11 becomes small pieces with the data decomposition of Streaming Media issue, sends a plurality of P2P clients 21 of watching to by the P2P network then, and these P2P clients are also simultaneously reading the follow-up data that will issue each other.The P2P client receives that being reassembled as stream medium data after the data issues.This new technology is issued by the client and is shared the mode of having downloaded content, the bandwidth of having saved program issue source end between the end.
Present P2P flow-medium performance publisher server has only computer, when recording flow-medium performance and issue, need carry out particular arrangement at computer, as needs configuration digital camera and digital microphone, the digital collection card, and on the CPU of computer, move control program, stream medium data is decomposed into the P2P stream medium data and transmission is controlled to realize the issue of P2P flow-medium performance.
But there is following problem in prior art:
1, present P2P flow-medium performance publisher server has only computer, and corresponding calculated machine operation level will be arranged concerning the user like this, and the user that computer is not familiar with uses inconvenience.
2, the content of the video of P2P Streaming Media, audio frequency input can only realize that cost is higher by issuing from computer and by increasing particular arrangement, carries and use all inconveniences.
Summary of the invention
Use inconvenient and realization cost technical problems of high in order to solve the user who exists in the prior art, the invention provides a kind of direct recording device audio-visual and that issue in the mode of P2P Streaming Media, this device need not by computer and particular arrangement, can directly carry out audio-visual shooting, video-audio data is converted into the P2P stream medium data, and can issues by the Internet.Technical scheme of the present invention is as follows:
A kind of P2P flow media releasing device, described device comprise audio frequency and video inputs mould, with audio, video data be encoded to the stream medium audio and video data the stream medium audio and video coding module, be used for stream medium data is decomposed into P2P stream medium data and the P2P transport module that transmission is controlled, is used to manage control module and Network Interface Module that man-machine interface and each intermodule function cooperate, described audio frequency and video input module, stream medium audio and video coding module, P2P transport module, control module and Network Interface Module interconnect by data/address bus.
Described audio frequency and video input module is one or more the combination in embedded digital camera or embedded digital microphone or the audio frequency and video input interface.
Described device also comprises the Peripheral Interface module, and described Peripheral Interface module is connected with described data/address bus.
Described device also comprises audio frequency and video output module and stream medium audio and video decoder module, and described audio frequency and video output module is connected with described data/address bus with the stream medium audio and video decoder module.
Described stream medium audio and video decoder module is dsp chip or special chip.
Described stream medium audio and video coding module, P2P transport module and control module are dsp chip or special chip.
The present invention has adopted and has integratedly audio-visually shot with video-corder, the isolated plant of the transmission of P2P stream medium data, encoding and decoding, issue audio-video signal, and the beneficial effect that brings is:
1, adopts device of the present invention, the user can record easily, make a video recording and the content of record is distributed to the P2P client in the mode of P2P Streaming Media by network and watch, the user who conveniently is ignorant of computer directly issues the P2P Streaming Media, provides new amusement to share instrument to the user.
2, need not depend on computer, with low cost, easy to carry, can use in any zone.
Description of drawings
Fig. 1 is a prior art stream media network structural representation;
Fig. 2 is a prior art P2P stream media network structural representation;
Fig. 3 is the schematic diagram of P2P flow media releasing device provided by the invention;
Fig. 4 be provided by the invention can audio frequency and video the schematic diagram of P2P flow media releasing device of output;
Fig. 5 is the structure principle chart of the P2P flow media releasing device of band exterior storage provided by the invention;
Fig. 6 is the structural representation of P2P flow media releasing device provided by the invention.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing, but not as a limitation of the invention.
Referring to Fig. 6, P2P flow media releasing device of the present invention is an independent device, this device comprises that camera 13, microphone 14, network interface 15, loud speaker 16, audio frequency input/output interface 17, video input/output interface 18 and display 19 all are integrated in the P2P flow media releasing device 20, reached carry with easy to use, cost is low, do not rely on the effect of computer.
Referring to Fig. 3, flow media releasing device of the present invention comprises audio frequency and video input module 11, stream medium audio and video coding module 6, P2P transport module 1, control module 2 and Network Interface Module 7, and above-mentioned module is connected with data/address bus 4.
Audio frequency and video input module 11 can be made up of built-in digital camera and built-in digital microphone, is used for recording a video simultaneously and recording, and belongs to the signals collecting role in the present invention.Image and sound that digital camera and digital microphone are responsible for absorbing are digitized as video data and voice data.If the user only need record a video or only need recording, then audio frequency and video input module 11 can be digital camera or digital microphone.Audio frequency and video input module 11 also can be an audio-video interface, is used for the digital audio/video or the analog audio-video signal of outside input are converted into audio, video data, and the realization of audio frequency and video input interface belongs to known multimedia technology.Device of the present invention also can be provided with digital camera and built-in digital microphone and audio-video interface simultaneously.
Stream medium audio and video coding module 6 is used for audio, video data is encoded to the stream medium audio and video data in the present embodiment, can adopt dsp chip or special chip, for example can adopt the 8620L chip of Sigma Design company, this chip has audio, video data is carried out the ability that code conversion becomes the WMV9 stream medium data.Stream medium audio and video coding module 6 also can adopt embedded system, and the mode by software coding realizes that by the computing capability of CPU these software development techniques belong to known technology, repeat no more.
P2P transport module 1 can be made dsp chip or special chip, and common stream medium data is converted to the P2P network flow media data, and transmission is controlled.The DSP technological means itself is ripe known technology, such as: the Virtex fpga chip of Xilinix company.Except that realizing that with above-mentioned hardware chip the P2P stream medium data is converted to the common stream medium data, also can adopt embedded system, realize by the software coding that the CPU operation is stored on the RAM, thereby common stream medium data is converted to the P2P network flow media data.
Data/address bus 4 is data communication interfaces of whole system, and the bus interface that can use a computer is ISA, PCI or according to the desired data communication bus of realizing of chip for example.Data bus technology is the known technology of field of computer technology, has a large amount of actual products and nextport hardware component NextPort, does not give unnecessary details herein.
The video data and the voice data of 11 outputs of audio frequency and video input module are transferred to stream medium audio and video coding module 6 by data/address bus 4, be encoded to the stream medium audio and video data, these stream medium audio and video data are decomposed into the P2P stream medium data and are published on the network by Network Interface Module 7 under the processing of P2P transport module 1, above process operates under the management of control module 2.
Referring to Fig. 4, in order to make live issue personnel can watch and listen to the effect of live issue by device of the present invention, also connect stream medium audio and video decoder module 12 and audio frequency and video output module 5 on the data/address bus 4, the output interface of audio frequency and video output module 5 connects LCD display module 8, loudspeaker module 9.
It is common audio, video data that stream medium audio and video decoder module 12 is used for the stream medium audio and video data decode in the present embodiment, can adopt dsp chip or special chip, as the 8620L chip of Sigma Design company, this chip has WMV9 stream medium audio and video data are decoded and converts the ability of audio, video data to.The stream media format that the chip of different company is handled might be different.In actual applications, audio/video coding module and decoder module are realized on same chip.Stream medium audio and video decoder module 12 also can adopt the mode of built-in system software coding, and by the computing capability realization of CPU, these software development techniques belong to known technology, repeat no more.
Audio frequency and video output module 5 belongs to the role of signal output in the present invention, and it can directly export the digital audio/video data, also voice data and video data can be carried out digital-to-analogue conversion, belongs to ordinary skill, and many known technologies can be realized, repeat no more.In realization of the present invention, can additional instance such as auxiliary functional chips such as OSD demonstration, pantography, video scaling, cursor, to strengthen with the mutual of user and to experience.
LCD display module 8 belongs to the role that the vision signal of exporting is shown in the present invention, and specific implementation can adopt comparatively popular LCD display now, belongs to ordinary skill, and other many known technologies also can be realized.
Loudspeaker module 9 belongs to the role who the audio signal of output is carried out sounding in the present invention, and specific implementation can adopt loudspeaker or the audio amplifier that generally adopts, and belongs to ordinary skill, and other many known technologies also can be realized.
P2P stream medium audio and video data are transferred to stream medium audio and video decoder module 12 by data/address bus 4, the stream medium audio and video data are converted to common audio, video data are input to audio frequency and video output module 5, audio frequency and video output module 5 directly outputs to built-in LCD display module 8 and loudspeaker module 9 with live P2P audio, video data.Certainly equipment also can not comprise LCD display module 8 and loudspeaker module 9, and the demand according to oneself when the user uses connects corresponding audio-visual equipment by audio frequency and video output module 5.
Referring to Fig. 5, for the ease of the storage audio, video data,, also connect Peripheral Interface module 3 and stream medium audio and video coding module 12 on the data/address bus 4 so that in needs, read out again, Peripheral Interface module 3 can also be connected with outer memory module 10.Decode for stream medium audio and video decoder module 12 from the data passes that the Peripheral Interface module reads out, be published on the network by P2P transport module 1 afterwards.
P2P stream medium audio and video data are transferred to Peripheral Interface module 3 by data/address bus 4, by Peripheral Interface module 3 with P2P stream medium audio and video storage externally in the memory module 10.Certainly equipment also can not comprise outer memory module 10, but Peripheral Interface module 3 only is provided, and has returned the how autonomous selection of user like this except reducing cost.
Peripheral Interface module (I/O interface) the 3rd, a digital input-output interface, this interface can be wireline interfaces such as USB (universal serial bus) (USB), parallel interface, serial line interface and 1394 interfaces, or wave point such as infrared interface, blue tooth interface, wireless lan interfaces; When the present invention is embodied as when being built in other digital systems (for example: IPTV set-top box, digital TV set-top box etc.), this interface can be computer bus interface such as ISA interface, pci interface, perhaps is connected with computer by other interfaces such as USB, serial line interface, parallel interface etc.Peripheral Interface module (I/O interface) 3 is except can expanding human interface devices such as connecting remote controller, keyboard, mouse in realization, the audio, video data that can also expand to the 12 decoding outputs of stream medium audio and video decoder outputs to digital interface, for example: 1394 interfaces, USB interface, HDMI interface etc.
Outer memory module 10 provides the storage of data and the function that reads, and typical embodiment is known computer data storage devices such as SD card, CF card, IDE hard disk.
Device shown in Figure 3 is to realize P2P Streaming Media issue the most basic required device, has increased some attached module in the device of Fig. 4 and Fig. 5, makes more perfect functions, and the user uses more convenient.Certainly according to user's different demands, the attached module compound mode is also a lot, has not here just enumerated one by one, and these attached module compound modes all are that those skilled in the art do not need creative work just can accomplish.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc. all should be included within protection scope of the present invention.
Claims (10)
1. P2P flow media releasing device, it is characterized in that, described device comprises audio frequency and video input module (11), audio, video data is encoded to the stream medium audio and video coding module (6) of stream medium audio and video data, be used for P2P transport module (1) that stream medium data is decomposed into the P2P stream medium data and transmission is controlled, be used to manage the control module (2) and the Network Interface Module (7) of man-machine interface and the cooperation of each intermodule function, described audio frequency and video input module (11), stream medium audio and video coding module (6), P2P transport module (1), control module (2) and Network Interface Module (7) interconnect by data/address bus (4).
2. P2P flow media releasing device as claimed in claim 1, described audio frequency and video input module (11) are one or more the combination in embedded digital camera or embedded digital microphone or the audio frequency and video input interface.
3. P2P flow media releasing device as claimed in claim 1 or 2 is characterized in that, described device also comprises Peripheral Interface module (3), and described Peripheral Interface module (3) is connected with described data/address bus (4).
4. P2P flow media releasing device as claimed in claim 1 or 2, it is characterized in that, described device also comprises audio frequency and video output module (5) and stream medium audio and video decoder module (12), and described audio frequency and video output module (5) is connected with described data/address bus (4) with stream medium audio and video decoder module (12).
5. P2P flow media releasing device as claimed in claim 3, it is characterized in that, described device also comprises audio frequency and video output module (5) and stream medium audio and video decoder module (12), and described audio frequency and video output module (5) is connected with described data/address bus (4) with stream medium audio and video decoder module (12).
6. P2P flow media releasing device as claimed in claim 4 is characterized in that, described stream medium audio and video decoder module (12) is dsp chip or special chip.
7. P2P flow media releasing device as claimed in claim 5 is characterized in that, described stream medium audio and video decoder module (12) is dsp chip or special chip.
8. as the described P2P flow media releasing device of any claim in claim 1 or 2 or 5 or 6 or 7, it is characterized in that described stream medium audio and video coding module (6), P2P transport module (1) and control module (2) are dsp chip or special chip.
9. P2P flow media releasing device as claimed in claim 3 is characterized in that, described stream medium audio and video coding module (6), P2P transport module (1) and control module (2) are dsp chip or special chip.
10. P2P flow media releasing device as claimed in claim 4 is characterized in that, described stream medium audio and video coding module (6), P2P transport module (1) and control module (2) are dsp chip or special chip.
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| CN 200610061350 CN101072321A (en) | 2006-06-22 | 2006-06-22 | P2P flow media releasing device |
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| CN 200610061350 CN101072321A (en) | 2006-06-22 | 2006-06-22 | P2P flow media releasing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101815092A (en) * | 2010-03-11 | 2010-08-25 | 大连灵动科技发展有限公司 | Multimedia touch screen display system and display method thereof |
| CN101917468A (en) * | 2010-08-03 | 2010-12-15 | 江苏科技大学 | Data transmission method for point-to-point network |
| CN101262487B (en) * | 2008-04-25 | 2011-06-08 | 北京中企开源信息技术有限公司 | Data transmission processing method and device for point-to-point client |
| CN102375912A (en) * | 2011-10-25 | 2012-03-14 | 北京航空航天大学 | Data integration device and method among different engineering software systems |
| CN105578263A (en) * | 2015-12-28 | 2016-05-11 | 山东泰信电子股份有限公司 | Method for playing and transmitting live programme, intelligent playing equipment and live telecasting equipment |
| CN110063050A (en) * | 2016-12-16 | 2019-07-26 | 华为技术有限公司 | A kind of business scheduling method and system |
-
2006
- 2006-06-22 CN CN 200610061350 patent/CN101072321A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262487B (en) * | 2008-04-25 | 2011-06-08 | 北京中企开源信息技术有限公司 | Data transmission processing method and device for point-to-point client |
| CN101815092A (en) * | 2010-03-11 | 2010-08-25 | 大连灵动科技发展有限公司 | Multimedia touch screen display system and display method thereof |
| CN101815092B (en) * | 2010-03-11 | 2013-06-05 | 大连灵动科技发展有限公司 | Multimedia touch screen display system and display method thereof |
| CN101917468A (en) * | 2010-08-03 | 2010-12-15 | 江苏科技大学 | Data transmission method for point-to-point network |
| CN101917468B (en) * | 2010-08-03 | 2013-03-06 | 江苏科技大学 | Data transmission method for point-to-point network |
| CN102375912A (en) * | 2011-10-25 | 2012-03-14 | 北京航空航天大学 | Data integration device and method among different engineering software systems |
| CN102375912B (en) * | 2011-10-25 | 2013-07-24 | 北京航空航天大学 | Data integration device and method among different engineering software systems |
| CN105578263A (en) * | 2015-12-28 | 2016-05-11 | 山东泰信电子股份有限公司 | Method for playing and transmitting live programme, intelligent playing equipment and live telecasting equipment |
| CN110063050A (en) * | 2016-12-16 | 2019-07-26 | 华为技术有限公司 | A kind of business scheduling method and system |
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Open date: 20071114 |