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CN101072221A - Flow media replay device - Google Patents

Flow media replay device Download PDF

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Publication number
CN101072221A
CN101072221A CN200610061353.8A CN200610061353A CN101072221A CN 101072221 A CN101072221 A CN 101072221A CN 200610061353 A CN200610061353 A CN 200610061353A CN 101072221 A CN101072221 A CN 101072221A
Authority
CN
China
Prior art keywords
interface
output interface
data
adapter
flow media
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200610061353.8A
Other languages
Chinese (zh)
Inventor
李建成
方琎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent Technology Shenzhen Co Ltd
Original Assignee
Tencent Technology Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent Technology Shenzhen Co Ltd filed Critical Tencent Technology Shenzhen Co Ltd
Priority to CN200610061353.8A priority Critical patent/CN101072221A/en
Priority to PCT/CN2007/070101 priority patent/WO2008000173A1/en
Publication of CN101072221A publication Critical patent/CN101072221A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/613—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for the control of the source by the destination
    • 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
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention is in order to overcome issues that in current technique, content of P2P stream media can only be played back through computer, and implementation cost is high. Through data bus, the disclosed play back device is connected to P2P transmission module, control module, interface of peripheral equipment, adapter of output interface, audio/video decoder for stream media, and network interface. An output interface is connected to the adapter of output interface. An external memory is connected to the interface of peripheral equipment. Receiving P2P data in stream data, and combining them to form original stream data, the invention makes recording and playing back P2P stream data become simple and feasible.

Description

A kind of flow media replay device
Technical field
The present invention relates to a kind of multimedia playback reproducer, particularly a kind of flow media replay device.
Background technology
Streaming Media is meant the media formats that the mode of employing stream transmission is play at Internet/Intranet, as audio frequency, video or multimedia file.The key technology that Streaming Media is realized is transmitted as a stream exactly, 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 video server to subscriber computer order or transmission in real time.Streaming Media is not downloaded whole file before broadcast, just will begin partial content and deposit internal memory in, in computer packet is carried out buffer memory and media data is correctly exported.The data flow of Streaming Media transmits at any time at any time and plays, just some delay when beginning.Therefore, in the system that adopts the stream transmission mode, the user only need can play behind the multimedia file decompress(ion)s such as A/V, 3D that utilize decompression apparatus to compression on the user's computer and watch through the startup time-delay of seconds or tens of seconds.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 download on the multimedia file limit, play on the limit is not only made starts time-delay and shortens significantly, and the demand of system cache capacity is also reduced greatly, greatly reduced user's etc. time.
Present streaming media playing terminal has computer, on screen and loud speaker, is exactly the terminal equipment that is similar to digital TV set-top box by computer playback stream media program content in addition, and this equipment can program request and the flow-medium performance that provides of playback program source.
Yet the limitation of this stream media technology is that this mode is higher to 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, promptly server 10 directly connects numerous playback terminals 20, 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 that for the 500kbps program source, the 100M bandwidth only can satisfy 200 users.
Development along with Internet technology, new streaming medium content distribution technology has appearred, promptly adopt P2P (peer to peer, connection such as equity networking grade) technology as the stream media technology of content distribution method referring to Fig. 2, in this technology, P2P server 11 becomes small pieces with the data decomposition of streaming media playing, 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 play each other.The P2P client receives that being reassembled as stream medium data after the data plays.This new technology is by sharing the mode of having downloaded content, the bandwidth of having saved program issue source end between the client playing end.
But there is following problem in prior art:
1, present P2P streaming media playing terminal a guy PC computer, and the P2P Streaming Media must realize that cost is higher by means of the special hardware configuration of PC when playback.
2, the device that traditional Streaming Media is converted to video, audio signal is arranged at present, for example: the set-top box of Digital Television can the playback stream media program.But the P2P Streaming Media is not converted to the output of video, audio digital signals and supports to record device with playback, have only PC that the P2P Streaming Media is combined into the conventional flow medium after, could realize the playback of P2P Streaming Media by the top box of digital machine of extra increase.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the prior art, the invention provides a kind of flow media replay device.
Flow media replay device of the present invention, the P2P transport module, control module, output interface adapter, the Streaming Media AV decoder that the P2P stream medium data are combined as the primary flow media data are connected by data/address bus with network interface, and output interface adapter is connected with output interface.
Be connected with Peripheral Interface on the data/address bus.
Peripheral Interface is connected with external memory storage.
Output interface adapter is 1394 interface adapters, and output interface is 1394 interfaces.
Output interface adapter is a usb adapter, and output interface is a USB interface.
Output interface adapter is the HDMI interface adapter, and output interface is the HDMI interface.
Output interface adapter is the DVI interface adapter, and output interface is the DVI interface.
The invention has the beneficial effects as follows: the user can output to online P2P flow-medium performance content simply and easily on the playing device of supporting digital audio/video and watch, realization with low cost and can using 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 structure principle chart of stream media playback provided by the invention and record device;
Fig. 4 is the stream media playback of band Peripheral Interface provided by the invention and the structure principle chart of record device;
Fig. 5 is the stream media playback of band external memory storage provided by the invention and the structure principle chart of record device.
Embodiment
Further specify the present invention below in conjunction with drawings and Examples, but not as a limitation of the invention.
As shown in Figure 3, flow media replay device of the present invention connects P2P transport module 1, control module 2, output interface adapter 5, Streaming Media AV decoder 6 and network interface 7 by data/address bus 4, be connected with output on the output interface adapter 5 and connect 8 mouthfuls, the user just can be simply and easily with online P2P flow-medium performance content like this, connects 8 by output and outputs on the playing device of supporting digital audio/video to show and watched.
As shown in Figure 4, flow media replay device of the present invention connects P2P transport module 1, control module 2, Peripheral Interface 3, output interface adapter 5, Streaming Media AV decoder 6 and network interface 7 by data/address bus 4, be connected with output interface 8 on the output interface adapter 5, increasing Peripheral Interface 3 is to connect required expansion equipment more flexibly for the user.
As shown in Figure 5, flow media replay device of the present invention connects P2P transport module 1, control module 2, Peripheral Interface 3, output interface adapter 5, Streaming Media AV decoder 6 and network interface 7 by data/address bus 4, be connected with output interface 8 on the output interface adapter 5, Peripheral Interface 3 is connected with external memory storage 9, and the user can store own programs of interest information by the external memory storage 9 that increases.
Network interface 7 is responsible for collecting P2P stream medium data (the P2P stream medium data is from the node of watching same program of P2P streaming media server and equity) based on TCP transmission or UDP transmission from network terminal, and pass to P2P transport module 1, P2P transport module 1 is combined as traditional stream medium data with the P2P stream medium data of receiving, and sends stream medium audio and video decoder 6 under the management of control module 2.6 pairs of stream medium datas of stream medium audio and video decoder carry out the audio frequency and video decoding, are reduced to the Voice ﹠ Video data and send output interface adapter 5 to.Output interface adapter 5 can be the adaptive conversion of the audio-visual data of receiving, with different digital interface form output, for example USB interface form and 1394 interface formats etc.The stream medium data through after 1 combination of P2P transport module that obtains from network terminal can also be stored into stream medium data the external memory storage 9 by Peripheral Interface 3 under the management of control module 2, can play output (by stream medium audio and video decoder 6 and output interface adapter 5) in needs under the management of control module 2.
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, exists a large amount of actual products to use and nextport hardware component NextPort, not superfluous herein chatting.
Network interface 7 can adopt the interface based on IP (Internet protocol) network, can provide IP the interface module of exchange as Ethernet card, WiFi wireless network card, 3G data communication network interface etc.Network interface 7 has the IP address of oneself, and the serve port by the opening of visit P2P streaming media server is received the P2P stream medium data, serve port can be based on TCP (Transfer ControlProtocol, transmission control protocol) or UDP (User Datagram Protocol, User Datagram Protoco (UDP)).Network interface 7 uses corresponding TCP or udp protocol to communicate by letter with the serve port of P2P streaming media server, through connecting with the P2P streaming media server after the necessary authentication.Connect after the foundation, the P2P streaming media server just can transmit and receive data to Network Interface Module 7 by corresponding connection.The authentication techniques here can be used as application such as permission that program watches, charge.This type of is the known technology of computer network communication field based on the communication interface specific implementation method of IP agreement, not superfluous herein chatting.
In practice, P2P transport module 1 can be made dsp chip, adopt dsp chip to finish the P2P network flow media data is recombinated computing to be converted to common stream medium data, DSP technological means itself this be ripe known technology this be 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 be stored in software coding on the RAM and realize that the P2P network flow media data recombinates computing to be converted to common stream medium data by the CPU operation.
Control module 2 is used to manage man-machine interface and each intermodule function is cooperated, and promptly is responsible for being controlled at which module when finishing difference in functionality when and how to participate in processing to data, thereby finishes function.Control module 2 can also have more rich functions expansion, for example: application such as the interaction ballot of program, the permission that program is watched, charge.In realization of the present invention, can adopt embedded system development, for example: Arm cpu chip, RISC, MIPS chip etc.The human-computer interaction interface of relevant controlling module 2 can be realized by common remote controller mode (being not limited to).
For stream medium audio and video decoder 6, this is ripe known technology.8620L chip such as Sigma Design company just has the ability that WMV 9 stream medium datas is decoded as audio-visual data.Stream medium audio and video decoder 6 also can adopt the computing capability realization of the mode of software decode by CPU on the implementation, and these software development techniques belong to known technology.
Output interface adapter 5 belongs to the adaptive role of digital signal output interface in the present invention.This is to change adaptive according to the required digital output interface that provides voice data and video data, the concrete form of output interface adapter 5 can be digital interface adapters such as 1394 interface adapters, usb adapter, HDMI interface adapter and DVI interface adapter, belong to the conventional, well-known technology, and export to output after adaptive and connect 8 changing.
The concrete form of output interface 8 can be digital interfaces such as 1394 interfaces, USB interface, HDMI interface and DVI interface, belongs to ordinary skill, and many known technologies can be realized.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.
USB interface and 1394 interfaces can cooperate usb adapter and 1394 interface adapters to provide to satisfy the requirement of different-format output.These digital interface technology belong to the conventional known technology of computer realm.
Peripheral Interface (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 interfaces such as other interfaces such as USB, serial line interface, parallel interfaces.Peripheral Interface (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 output of stream medium audio and video decoder decode outputs to digital interface, for example: 1394 interfaces, USB interface, HDMI interface etc.If memory device is connected on the Peripheral Interface 3, the Streaming Media or the decoded audio, video data of not decoding can also be stored in the external memory storage 9, for example: with stream medium data deposit in the SD card, hard disk is medium.The technology of this kind hardware interface and driver thereof realizes, is the known technology of field of computer technology, exists a large amount of actual products to use and nextport hardware component NextPort, not superfluous herein chatting.
External memory storage 9 provides the storage of data and the function that reads, and typical embodiment is known computer data memory technologies such as SD card, CF card, IDE hard disk.
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 (7)

1. flow media replay device, it is characterized in that, comprise control module (2), output interface adapter (5), Streaming Media AV decoder (6) and network interface (7), the P2P stream medium data is combined as the P2P transport module (1) of primary flow media data, control module (2), output interface adapter (5), Streaming Media AV decoder (6) and network interface (7), the P2P transport module (1) that the P2P stream medium data is combined as the primary flow media data connects by data/address bus (4), and output interface adapter (5) is connected with output interface (8).
2. flow media replay device as claimed in claim 1 is characterized in that, is connected with Peripheral Interface (3) on the described data/address bus (4).
3. flow media replay device as claimed in claim 2 is characterized in that, described Peripheral Interface (3) is connected with external memory storage (9).
4. as any described flow media replay device of claim of claim 1 to 3, it is characterized in that described output interface adapter (5) is 1394 interface adapters, described output interface (8) is 1394 interfaces.
5. as any described flow media replay device of claim of claim 1 to 3, it is characterized in that described output interface adapter (5) is a usb adapter, described output interface (8) is a USB interface.
6. as any described flow media replay device of claim of claim 1 to 3, it is characterized in that described output interface adapter (5) is the HDMI interface adapter, described output interface (8) is the HDMI interface.
7. as any described flow media replay device of claim of claim 1 to 3, it is characterized in that described output interface adapter (5) is the DVI interface adapter, described output interface (8) is the DVI interface.
CN200610061353.8A 2006-06-23 2006-06-23 Flow media replay device Pending CN101072221A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200610061353.8A CN101072221A (en) 2006-06-23 2006-06-23 Flow media replay device
PCT/CN2007/070101 WO2008000173A1 (en) 2006-06-23 2007-06-12 A streaming media playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200610061353.8A CN101072221A (en) 2006-06-23 2006-06-23 Flow media replay device

Publications (1)

Publication Number Publication Date
CN101072221A true CN101072221A (en) 2007-11-14

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WO (1) WO2008000173A1 (en)

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CN111031117B (en) * 2019-12-02 2023-05-16 深圳市迅雷网络技术有限公司 A multimedia file download method and related device

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US7664109B2 (en) * 2004-09-03 2010-02-16 Microsoft Corporation System and method for distributed streaming of scalable media
CN100559776C (en) * 2005-01-20 2009-11-11 杨金钰 A kind of stream media system

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