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WO2008000173A1 - Dispositif de lecture de données multimédia diffusées en continu - Google Patents

Dispositif de lecture de données multimédia diffusées en continu Download PDF

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Publication number
WO2008000173A1
WO2008000173A1 PCT/CN2007/070101 CN2007070101W WO2008000173A1 WO 2008000173 A1 WO2008000173 A1 WO 2008000173A1 CN 2007070101 W CN2007070101 W CN 2007070101W WO 2008000173 A1 WO2008000173 A1 WO 2008000173A1
Authority
WO
WIPO (PCT)
Prior art keywords
interface
streaming media
data
output interface
audio
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.)
Ceased
Application number
PCT/CN2007/070101
Other languages
English (en)
Chinese (zh)
Inventor
Jiancheng Li
Jin Fang
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
Publication of WO2008000173A1 publication Critical patent/WO2008000173A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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

Definitions

  • the present invention relates to the field of streaming media playback technologies, and in particular, to a streaming media playback device. Background of the invention
  • Streaming media refers to media formats, such as audio, video or multimedia files, that are streamed over the Internet/Intranet.
  • the key technology for streaming media implementation is streaming.
  • Streaming refers to the process of parsing multimedia files such as audio and video and 3D media into compressed packets through specific compression methods.
  • the video server transmits the data to the user computer sequentially or in real time. .
  • Streaming media does not download the entire file before playing, just saves the beginning part of the data packet into memory, caches the data packet in the computer, and causes the media data to be correctly output.
  • Streaming data streams are readily available for playback at any time, with some delay at the beginning.
  • the user can use the decompression device to compress the audio and video (A/V) and 3D (3D) on the user's computer after only a few seconds or tens of seconds of startup delay. ) After the multimedia files are decompressed, they are played and viewed. At this point, the rest of the multimedia file will continue to download in the background.
  • A/V audio and video
  • 3D 3D
  • the streaming method of downloading and playing the multimedia file not only greatly shortens the startup delay, but also greatly reduces the demand for the system cache capacity, thereby greatly reducing the user's waiting time.
  • the current streaming media playback terminal has a computer that plays back streaming program content through the computer to the screen and speakers, and is a terminal device similar to a digital television set-top box that can stream and play back streaming media programs provided by the program source.
  • the streaming media program publishing source that is, the server 10 directly connects to the plurality of playing terminals 20, so that the network bandwidth requirement is high, that is, the program publishing source server needs to provide sufficient bandwidth for all users to watch, for the 500 kbps program.
  • Source 100M bandwidth can only meet 200 users.
  • the P2P server 11 decomposes the data played by the streaming media into small pieces, and then transmits the data to the plurality of P2P clients 21 being viewed through the P2P network, and the P2P clients also read between each other at the same time. Subsequent data to be played. After receiving the data, the P2P client reorganizes into streaming media data for playback.
  • This new technology saves the bandwidth of the source of the program release by sharing the downloaded content between the clients.
  • the current P2P streaming media playback terminal only has a personal computer (PC), and the P2P streaming media must be equipped with a special hardware configuration of the PC during playback, and the implementation cost is high.
  • PC personal computer
  • the embodiment of the present invention provides a streaming media playback device for outputting a P2P streaming media program in a network to a playback device supporting digital audio and video without using a PC, so as to be viewed by a user.
  • the streaming media playback device comprises: a peer-to-peer network interconnection P2P transmission module (1), Control module (2), data bus (4), output interface adapter (5), streaming audio and video decoder (6), network port (7) and output interface (8), P2P transmission module (1), control Module (2), output interface adapter (5), streaming audio and video decoder (6), network port (7) and output interface (8) are all connected to the data bus (4) and through the data bus (4) Transmitting data; the network interface (7) is for receiving P2P streaming media data from the network, and transmitting the data to the P2P transmission module (1); the P2P transmission module (2) is for combining the P2P streaming media data into the streaming media data; An audio and video decoder (6) for decoding streaming media data from the P2P transmission module (2) to obtain audio video data; an output interface adapter (5) for outputting from the stream through an output interface (8) Audio video data of the media audio and video decoder (6); the control module (2) is used for controlling the P2P transmission module (1)
  • P2P streaming media program content on the network can be combined from streaming media data and output to a playback device supporting digital audio and video, and does not need to use a personal computer or the like. , complex equipment.
  • the components of the streaming media playback apparatus provided by the embodiments of the present invention are simple and inexpensive, and the cost of the entire device is greatly reduced.
  • the streaming media playback device provided by the embodiment of the invention is simpler to operate and convenient for the majority of users.
  • FIG. 1 is a schematic structural diagram of a prior art streaming media network
  • FIG. 2 is a schematic structural diagram of a P2P streaming media network in the prior art
  • FIG. 3 is a schematic structural diagram of a streaming media playback apparatus provided by the present invention.
  • FIG. 4 is a schematic structural diagram of a streaming media playback device with a peripheral interface according to the present invention
  • FIG. 5 is a schematic structural diagram of a streaming media playback device with an external memory provided by the present invention. Mode for carrying out the invention
  • the streaming media playback device of the present invention is connected to the P2P transmission module 1, the control module 2, the output interface adapter 5, the streaming media audio and video decoder 6 and the network port 7, via the data bus 4, and the output interface adapter 5
  • the output interface 8 is connected to the upper end, so that the user can easily and conveniently display the content of the P2P streaming media program on the network through the output interface 8 to the playback device supporting the digital audio and video display.
  • the streaming media playback apparatus of the present invention is connected to the P2P transmission module 1, the control module 2, the peripheral interface 3, the output interface adapter 5, the streaming media audio and video decoder 6, and the network interface 7 through the data bus 4, and outputs An output interface 8 is connected to the interface adapter 5.
  • the addition of the peripheral interface 3 in Fig. 4 is an external expansion device required for a more flexible connection of the user.
  • the streaming media playback apparatus of the present invention is connected to the P2P transmission module 1, the control module 2, the peripheral interface 3, the output interface adapter 5, the streaming media audio and video decoder 6, and the network port 7 through the data bus 4.
  • An output interface 8 is connected to the output interface adapter 5, and an external memory 9 is connected to the peripheral interface 3. The user can store streaming media data through the added external memory 9.
  • the network interface 7 is responsible for charging P2P streaming media data based on Transmission Control Protocol (TCP) transmission or User Datagram Protocol (UDP) transmission from the network and transmitting it to the P2P transmission module 1, wherein the P2P media data is from the P2P media server and peer.
  • TCP Transmission Control Protocol
  • UDP User Datagram Protocol
  • the P2P transmission module 1 combines the received P2P streaming media data into conventional streaming media data, and transmits it to the streaming media audio and video decoder 6 under the management of the control module 2.
  • the streaming audio and video decoder 6 performs audio video decoding on the streaming media data, restores the audio and video data, and transmits it to the output interface adapter 5.
  • the output interface adapter 5 can adapt and convert the received audio and video data and output in different digital interface formats, such as a universal serial bus (USB). Interface format and 1394 interface format, etc.
  • the streaming media data obtained by the P2P transmission module 1 obtained from the network may be stored in the external memory 9 through the peripheral interface 3 under the management of the control module 2, and may be needed.
  • the playback output is performed, that is, the streaming media data is read from the external memory 9, and the audio video is decoded by the streaming audio/video decoder 6, restored to audio and video data, and transmitted to the output interface adapter 5
  • the output interface adapter 5 adapts the received audio and video data and outputs it in a different digital interface format.
  • the data bus 4 is the data communication interface of the entire system, and can be connected using a computer bus interface such as an industry standard architecture (ISA), an external component interconnect (PCI), or a data communication bus required by the implemented chip.
  • ISA industry standard architecture
  • PCI external component interconnect
  • the data bus technology is well known in the art of computer technology, and there are a large number of actual product applications and hardware components, which are not mentioned here.
  • the network interface 7 can adopt an interface based on an Internet Protocol (IP) network, such as an Ethernet card, a wireless local area network (WiFi) network card, a third generation mobile communication system (3G) data communication network, and the like, and can provide an interface module for IP switching.
  • IP Internet Protocol
  • WiFi wireless local area network
  • 3G third generation mobile communication system
  • the network interface 7 has its own IP address, and receives P2P streaming media data by accessing the service port opened by the P2P streaming media server.
  • the service port can be based on TCP or UDP.
  • the network interface 7 communicates with the service port of the P2P streaming media server by using the corresponding TCP or UDP protocol, and establishes a connection with the P2P streaming media server after necessary authentication.
  • the P2P streaming media server can send and receive data to the network port module 7 through the corresponding connection.
  • the authentication technology here can be used as a license for viewing programs, fees, and the like.
  • the specific implementation method of such an IP-based communication interface is a well-known technology in the field of computer network communication, and is not mentioned here.
  • the P2P transmission module 1 can be implemented as a digital signal processing (DSP) chip, and the DSP chip is used to perform recombination operations on the P2P network streaming media data, thereby converting into ordinary streaming media data.
  • DSP technology itself is a well-known technology that is well known. Techniques, such as field-programmable gate array (FPGA) chips, are not covered here.
  • the CPU can also run the software code stored in the random access memory (RAM) to implement the P2P network streaming media data to be recombined to be converted into Ordinary streaming media data.
  • RAM random access memory
  • the control module 2 is used to manage the human-machine interface and the function coordination between the various modules, that is, to control which modules and when and how to participate in the processing of data when completing different functions, thereby completing the functions.
  • the control module 2 can also have more extensive functions, such as: interactive voting of programs, licenses for program viewing, charging, and the like.
  • Embedded system development can be used in the implementation of the present invention, such as: Arm CPU chip, reduced instruction set computer (RISC), non-interlocking pipeline level microprocessor (MIPS) chip, and the like.
  • the human-machine interactive interface of the control module 2 can be realized by a common remote control method or a button on the streaming media return device.
  • the output interface adapter 5 is a digital signal output interface adaptation role in the present invention. This is to adapt the audio data and video data according to the required digital output interface.
  • the specific format of the output interface adapter 5 can be 1394 interface adapter, USB interface adapter, high definition multimedia interface (HDMI) interface adapter and digital
  • a digital interface adapter such as a video interface (DVI) interface adapter is a well-known technique and is output to the output interface 8 after conversion adaptation.
  • the specific form of the output interface 8 may be a digital interface such as a 1394 interface, a USB interface, an HDMI interface, and a DVI interface, corresponding to the output interface adapter 5, and is a common technology, and many well-known technologies can be implemented.
  • an auxiliary function chip such as an on-screen display (OSD), a graphics zoom, a video zoom, a cursor, etc., may be added to enhance and use Household interaction and body-risk.
  • USB interface and 1394 interface can be combined with USB interface adapters and 1394 interface adapters to provide output for different formats. These digital interface technologies are well known in the computer arts.
  • Peripheral interface (I/O interface) 3 is a digital input and output interface, which can be a wired interface such as a USB interface, a parallel interface, a serial interface, and a 1394 interface, or a wireless interface such as an infrared interface, a Bluetooth interface, or a wireless LAN interface.
  • the interface may be a computer bus interface, such as an ISA interface, a PCI interface, or through other interfaces such as a USB, serial interface. Interfaces such as parallel interfaces are connected to the computer.
  • the peripheral interface 3 can also be extended to output the audio and video data decoded by the streaming audio and video decoder 6 to a digital interface, such as a 1394 interface. , USB interface, HDMI interface, etc.
  • a digital interface such as a 1394 interface. , USB interface, HDMI interface, etc.
  • the undecoded streaming media or the decoded audio and video data may also be stored in the external memory 9, for example, the streaming media data is stored in a digital security (SD) card, and the hard disk is medium.
  • SD digital security
  • the external memory 9 provides functions for storing and reading data.
  • Typical embodiments are well-known computer data storage technologies such as SD cards, Compact Flash (CF) cards, and Integrated Circuit Device (IDE) hard disks.
  • SD cards Compact Flash (CF) cards
  • IDE Integrated Circuit Device

Landscapes

  • 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

L'invention concerne un dispositif de lecture de contenus multimédia diffusés en continu qui permet de résoudre le problème des dispositifs de l'art antérieur qui permettent la lecture du contenu de ces données multimédia diffusées en continu poste à poste uniquement par un ordinateur à un coût élevé. Dans le dispositif de l'invention, un module de transmission poste à poste (1), un module de commande (2), une interface de périphérique (3), un adaptateur d'interface de sortie (5), un décodeur audio/vidéo de données multimédia diffusées en continu (6) ainsi qu'une interface de réseau (7) sont couplés par l'intermédiaire d'un bus de données (4). Selon l'invention, l'adaptateur d'interface de sortie (5) est relié à une interface de sortie (8), l'interface de périphérique (3) est reliée à une mémoire externe (9), et ledit dispositif reçoit les données multimédia diffusées en continu poste à poste en provenance du réseau, combine ces données en données multimédia diffusées en continu, et peut sortir ces données mutimédia diffusées en continu sur des dispositifs de lecture supportant les données audio/vidéo numériques, ce qui permet d'enregistrer et de lire facilement des données multimédia diffusées en continu poste à poste.
PCT/CN2007/070101 2006-06-23 2007-06-12 Dispositif de lecture de données multimédia diffusées en continu Ceased WO2008000173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610061353.8A CN101072221A (zh) 2006-06-23 2006-06-23 一种流媒体回放装置
CN200610061353.8 2006-06-23

Publications (1)

Publication Number Publication Date
WO2008000173A1 true WO2008000173A1 (fr) 2008-01-03

Family

ID=38845128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/070101 Ceased WO2008000173A1 (fr) 2006-06-23 2007-06-12 Dispositif de lecture de données multimédia diffusées en continu

Country Status (2)

Country Link
CN (1) CN101072221A (fr)
WO (1) WO2008000173A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111031117A (zh) * 2019-12-02 2020-04-17 深圳市迅雷网络技术有限公司 一种多媒体文件下载方法及相关装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1633109A (zh) * 2005-01-20 2005-06-29 杨金钰 一种流媒体系统
CN1758646A (zh) * 2004-09-03 2006-04-12 微软公司 用于对等网络中的接收器驱动流传送的系统和方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1758646A (zh) * 2004-09-03 2006-04-12 微软公司 用于对等网络中的接收器驱动流传送的系统和方法
CN1633109A (zh) * 2005-01-20 2005-06-29 杨金钰 一种流媒体系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111031117A (zh) * 2019-12-02 2020-04-17 深圳市迅雷网络技术有限公司 一种多媒体文件下载方法及相关装置

Also Published As

Publication number Publication date
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