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WO2016061887A1 - Procédé et appareil de conversion vidéo, système de lecture et terminal - Google Patents

Procédé et appareil de conversion vidéo, système de lecture et terminal Download PDF

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Publication number
WO2016061887A1
WO2016061887A1 PCT/CN2014/094049 CN2014094049W WO2016061887A1 WO 2016061887 A1 WO2016061887 A1 WO 2016061887A1 CN 2014094049 W CN2014094049 W CN 2014094049W WO 2016061887 A1 WO2016061887 A1 WO 2016061887A1
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WO
WIPO (PCT)
Prior art keywords
video
program
program transmission
transmission stream
stream
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/CN2014/094049
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English (en)
Chinese (zh)
Inventor
林铠鹏
江楚发
刘许波
邹永军
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.)
Shenzhen State Micro Technology Co Ltd
Original Assignee
Shenzhen State Micro Technology 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 Shenzhen State Micro Technology Co Ltd filed Critical Shenzhen State Micro Technology Co Ltd
Publication of WO2016061887A1 publication Critical patent/WO2016061887A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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]
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • 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
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols

Definitions

  • the invention belongs to the field of video playing, and in particular relates to a video conversion method, device, playing system and terminal.
  • Video playback refers to the use of the Internet and streaming media technology to play, the video is a mixture of images, text, sound and other rich elements, sound and shape, the effect is excellent, and gradually become the mainstream expression of the Internet.
  • Watched video TS Transport Streams, transport streams
  • TS is directly provided by the broadcast television network.
  • the TS from the broadcast television network cannot be directly played on the Android system, and the Android system needs to be complicatedly modified and played through the local play interface, which realizes high cost.
  • the embodiment of the invention provides a video conversion method, which can directly play a program stream transmitted by a broadcast television network without modifying the Android system of the video player, and the implementation cost is low.
  • the embodiment of the present invention is implemented by the method for video playing, and the method includes the following steps:
  • the embodiment of the invention further provides a video conversion device, the device comprising:
  • a signal processing unit configured to receive a multi-program transmission stream, and convert the multi-program transmission stream into a plurality of single-channel program transmission streams
  • a resource address allocation unit configured to allocate a uniform resource locator for each single program transmission stream
  • the program forwarding unit is configured to transmit, according to the program play request, the corresponding one-way program transmission stream to the video player for playing by using the uniform resource locator.
  • An embodiment of the present invention further provides a video playing system, where the system includes: a video converting device and a video player;
  • the video conversion device includes:
  • a signal processing unit configured to receive a multi-program transmission stream, and convert the multi-program transmission stream into a plurality of single-channel program transmission streams
  • a resource address allocation unit configured to allocate a uniform resource locator for each single program transmission stream
  • the program forwarding unit is configured to transmit, according to the program play request, the corresponding one-way program transmission stream to the video player for playing by using the uniform resource locator.
  • the embodiment of the present invention further provides a terminal, including a communication interface, an input device, and an output device, where the terminal device further includes a video playing system, where the video playing system is connected to the input device and the output device through a communication interface,
  • the video playback system includes: a video conversion device and a video player;
  • the video conversion device includes:
  • a signal processing unit configured to receive a multi-program transmission stream, and convert the multi-program transmission stream into a plurality of single-channel program transmission streams
  • a resource address allocation unit configured to allocate a uniform resource locator for each single program transmission stream
  • the program forwarding unit is configured to transmit, according to the program play request, the corresponding one-way program transmission stream to the video player for playing by using the uniform resource locator.
  • the TS stream can be played on the local playback interface without modifying the Android system. It is also possible to play TS streams on mobile video terminal devices, reducing implementation costs and allowing users to have good playback quality and Internet experience.
  • FIG. 1 is a network environment diagram of a video conversion method according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of an implementation of a video conversion method according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an implementation of sending a TS stream by a virtual server according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a video conversion apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a video playing system according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic structural diagram of a video playing system according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • video data playback in the Android system can be realized by allocating a uniform resource locator for each program transmission stream in the video converter, and then playing video by the video player.
  • FIG. 1 shows a network environment suitable for implementing a video conversion method by a virtual server according to an embodiment of the present invention.
  • the video converter is connected to the broadcast television network through the Dongle (conditional receiving device) to obtain audio and video program signals on the broadcast television network, that is, the transport stream, and is played on the video player.
  • the video converter can also directly Connect to a broadcast TV network.
  • the video player is a video playing device installed in the Android operating system, and the device can be implemented by hardware, such as a smart TV and a smart phone, or can be implemented by software to install the playing software on the terminal Android operating system. .
  • the video converter is a video signal conversion device installed in the Android operating system, and the device may be implemented by hardware or by software, and the video converter may be placed on the network television or placed on the network. Set-top box.
  • Video players and video converters can be located on the same hardware device, such as a network TV; they can also be located on different hardware devices, such as video converters located in network set-top boxes or Dongle, and video players located on Internet TV.
  • the video player may be a device connected to a video converter through a wireless or wired network, receiving a signal sent by a virtual server in the video converter, and installing a video playing software, such as a mobile phone, a PAD, or Computer, etc.
  • FIG. 2 shows an implementation flow of a video conversion method provided by an embodiment of the present invention, which is described in detail as follows:
  • step S201 receiving a multi-program transmission stream, converting the multi-program transmission stream into a plurality of single-channel program transmission streams;
  • the received multi-frequency multiplex program TS stream can be processed into a single-frequency multiplex program TS stream by the video converter Dongle, and then passed through the DVB (Digital) in the video converter.
  • Video The Broadcasting, Digital Video Broadcasting System standard is modified to a single-channel TS stream, and then the single-channel TS stream is sent through a virtual server to view the video on the Android system.
  • the TS stream transmitted from the broadcast television network to Dongle is a TS stream containing a plurality of frequency points
  • the TS stream at each frequency point contains a plurality of programs.
  • the multi-frequency TS stream is then deleted by the video converter to a multi-program TS stream containing only the user-specified frequency points, and the single-frequency point multi-program TS stream is transmitted to the video converter.
  • the received single-frequency multi-channel program transmission stream passes through DVB (Digital Video Broadcasting, digital video broadcasting system standard processing, modified to single-frequency single-channel program transmission stream, transmitted to the virtual server.
  • DVB Digital Video Broadcasting, digital video broadcasting system standard processing, modified to single-frequency single-channel program transmission stream, transmitted to the virtual server.
  • the video converter allocates a uniform resource locator for each single program transmission stream in step S202;
  • the media sources supported by the Android system for video playback are: media files in the application, media files stored in the file system, and external URL streams.
  • the media files in the application and the file system are size-restricted media files, which are not in compliance with the requirements for playing the TS stream;
  • the external URL stream is a data stream connected through the network, and during the TS stream playing process, The TS stream is converted to an external URL stream for normal playback on Android.
  • a virtual server may be generated in the video converter to allocate a uniform resource locator for each single program transmission stream;
  • the operating system of the video converter is a virtual server and TCP/IP (Transmission) Control Protocol/Internet Protocol, Transport Control/Internet Protocol) protocol interaction provides a socket interface.
  • IP Internet Protocol, Internet Protocol
  • the Android video player and the virtual server establish a structure equivalent to C/S (Client/Server, client/server), and the Android video player accesses the virtual server through the URL.
  • the virtual server may be RTSP (Real Time Streaming) Protocol, real-time streaming protocol) server or HTTP (Hypertext Transfer Protocol) server.
  • RTSP Real Time Streaming Protocol
  • HTTP Hypertext Transfer Protocol
  • step S203 according to the program play request, the corresponding single channel program transmission stream is transmitted to the video player for playing by the uniform resource locator.
  • the virtual server sends the single channel TS stream transmitted by the video converter to the Android video player, and the TS stream is decoded and played by the Android video player.
  • the virtual server may send the single-frequency single-channel program TS stream to an Android video player in the video converter for playback.
  • the virtual server may also send the single-frequency single-channel program TS stream to a device connected to the video converter through a wireless or wired network and installed with video playing software, such as a mobile phone, a PAD, or Computer, etc.
  • FIG. 3 is a flowchart showing an implementation process of sending a TS stream by a virtual server according to an embodiment of the present invention, which is as follows:
  • step S301 the connection request of at least one video play is monitored by the uniform resource locator
  • the video player broadcasts a Discover message to the virtual server and establishes a connection request, at which point the virtual server listens for the connection request.
  • step S302 responding to the connection request, and receiving at least one program play request sent by the video player;
  • step S303 the corresponding one-way program TS stream is transmitted to the video player according to the program play request.
  • the virtual server separately sends a single program TS stream to the video player according to different play requests.
  • the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The steps of the foregoing method embodiments, wherein the foregoing storage medium comprises: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • the TS stream can be played by the local playback interface without modifying the Android system. It is also possible to play TS streams on mobile video terminal devices, reducing implementation costs and allowing users to have good playback quality and Internet experience.
  • FIG. 4 shows a structure of a video conversion apparatus according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown.
  • the video conversion device 10 includes a signal processing unit 101, a resource address assigning unit 102, and a program forwarding unit 103.
  • the video conversion device 10 is a video signal conversion device installed in the Android operating system.
  • the device may be implemented by hardware or by software.
  • the video conversion device 10 may be placed on a network television or may be placed. In the network set-top box.
  • the signal processing unit 101 is built in the video conversion device 10, receives the multi-program transmission stream transmitted by the video conversion device 10, converts the multi-program transmission stream into a plurality of single-channel program transmission streams, and transmits the same to the virtual server.
  • the received multi-frequency multiplex program TS stream can be processed into a single-frequency multiplex program TS stream by a video conversion device, such as Dongle, and then passed through the DVB (Digital) in the signal processing unit 101.
  • the Video Broadcasting (Digital Video Broadcasting) standard was modified to a single-frequency single-channel program TS stream.
  • the signal processing unit 101 includes a TS stream processing unit 1011 and a signal output unit 1012.
  • the TS stream processing unit 1011 processes the single-frequency point multiplex program transmission stream into a single-frequency point single-channel program transmission stream by the DVB standard, and then transmits the single-frequency point single-channel program transmission stream to the virtual server through the transmission stream output unit 1012.
  • the resource address assigning unit 102 allocates a uniform resource locator for each single channel program transmission stream.
  • the media sources supported by the Android system for video playback are: media files in the application, media files stored in the file system, and external URL streams.
  • the media files in the application and the file system are size-restricted media files, which are not in compliance with the requirements for playing the TS stream;
  • the external URL stream is a data stream connected through the network, and during the TS stream playing process, The TS stream is converted to an external URL stream for normal playback on Android.
  • a virtual server may be generated in the video conversion device 10 to implement a uniform resource locator for each single program transmission stream.
  • the resource address allocation unit 102 of the virtual server allocates a uniform resource locator for each single-channel program transmission stream, and the program forwarding unit 103 of the virtual server transmits the corresponding single-channel program by using the uniform resource locator according to the program play request. Streaming to the video player for playback.
  • the operating system of the video conversion device 10 is a virtual server and TCP/IP (Transfer Controln) Protocol/Internet Protocol, Transport Control/Internet Protocol) protocol interaction provides a socket interface.
  • the virtual server passes through the socket interface and the IP of the video conversion device 10 (Internet) Protocol, Internet Protocol) address binding, at the same time, the IP address is also the IP address in the URL.
  • a virtual server side is constructed in the video conversion device 10, and the video player can access the virtual server through the URL.
  • the video player and the virtual server establish a structure equivalent to C/S (Client/Server, client/server), and the video player accesses the virtual server through the URL.
  • the virtual server may be RTSP (Real Time Streaming) Protocol, real-time streaming protocol) server or HTTP (Hypertext Transfer Protocol) server.
  • RTSP Real Time Streaming Protocol
  • HTTP Hypertext Transfer Protocol
  • the program forwarding unit 103 transmits the corresponding one-way program transmission stream to the video player for playing by the uniform resource locator according to the program play request.
  • the program forwarding unit 103 includes a listening unit 1031, an interaction unit 1032, and a transmitting unit 1033.
  • the listening unit 1031 monitors the connection request sent by the video player, and responds to the connection request through the interaction unit 1032. After responding, the interaction unit 1032 receives a program play request sent by the video player.
  • the transmitting unit 1033 transmits the module one-way program TS stream and forwards the video player to the video player according to the received program play request.
  • FIG. 5 shows the structure of a video playing system according to Embodiment 1 of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
  • the video playback system 1 includes a video conversion device 10 and a video player 11.
  • the video conversion device 10 is a video signal conversion device installed in the Android operating system.
  • the device may be implemented by hardware or by software.
  • the video conversion device 10 may be placed on a network television or may be placed. In the network set-top box.
  • the video player 11 is a video playing device installed in the Android operating system, and the device can be implemented by hardware, such as a smart TV and a smart phone, or can be installed by the software to be installed on the terminal Android operating system. software.
  • the video conversion device 10 and the video player 11 may be located in the same hardware device, such as a network television; or may be located in different hardware devices, such as the video conversion device 10 located in a network set-top box or Dongle, and the video player 11 is located in a network television.
  • the video conversion device 10 includes a signal processing unit 101, a resource address assignment unit 102, and a program forwarding unit 103.
  • the signal processing unit 101 is built in the video conversion device 10, receives the multi-program transmission stream transmitted by the video conversion device 10, converts the multi-program transmission stream into a plurality of single-channel program transmission streams, and transmits the same to the virtual server.
  • the received multi-frequency multiplex program TS stream can be processed into a single-frequency multiplex program TS stream by the video conversion device Dongle, and then passed through the DVB (Digital) in the signal processing unit 101.
  • the Video Broadcasting (Digital Video Broadcasting) standard was modified to a single-frequency single-channel program TS stream.
  • the signal processing unit 101 includes a TS stream processing unit 1011 and a signal output unit 1012.
  • the TS stream processing unit 1011 processes the single-frequency point multiplex program transmission stream into a single-frequency point single-channel program transmission stream by the DVB standard, and then transmits the single-frequency point single-channel program transmission stream to the virtual server through the transmission stream output unit 1012.
  • the resource address assigning unit 102 allocates a uniform resource locator for each single channel program transmission stream.
  • the media sources supported by the Android system for video playback are: media files in the application, media files stored in the file system, and external URL streams.
  • the media files in the application and the file system are size-restricted media files, which are not in compliance with the requirements for playing the TS stream;
  • the external URL stream is a data stream connected through the network, and during the TS stream playing process, The TS stream is converted to an external URL stream for normal playback on Android.
  • a virtual server may be generated in the video conversion device 10 to implement a uniform resource locator for each single program transmission stream.
  • the resource address allocation unit 102 of the virtual server allocates a uniform resource locator for each single program transmission stream.
  • the operating system of the video conversion device 10 is a virtual server and TCP/IP (Transfer Controln) Protocol/Internet Protocol, Transport Control/Internet Protocol) protocol interaction provides a socket interface.
  • IP Internet Protocol, Internet Protocol
  • the video player 11 can be an Android video playback unit in a video converter.
  • the video player 11 establishes a structure equivalent to C/S (Client/Server) with the virtual server, and the video player 11 accesses the virtual server through the URL.
  • the virtual server may be RTSP (Real Time Streaming) Protocol, real-time streaming protocol) server or HTTP (Hypertext Transfer Protocol) server.
  • RTSP Real Time Streaming Protocol
  • HTTP Hypertext Transfer Protocol
  • the program forwarding unit 103 transmits the corresponding one-way program transmission stream to the video player 11 for playing by the uniform resource locator according to the program play request.
  • the virtual server unit 103 includes a listening unit 1031, an interaction unit 1032, and a transmitting unit 1033.
  • the listening unit 1031 monitors the connection request sent by the video player 11 and responds to the connection request through the interaction unit 1032.
  • the interaction unit 1032 receives the program play request sent by the video player 11 after the response.
  • the transmitting unit 1033 transmits the module one-way program TS stream and forwards it to the video player 11 according to the received program play request.
  • the advantage of the first embodiment is that the TS stream is sent to the player through the virtual server without modifying the Android system, and the TS stream is played on the local play interface, without modifying the Android system, so that the difference between the played video and the video source is relatively small, so that the user owns Good playback quality and internet experience.
  • FIG. 6 shows a structure of a video playing system according to Embodiment 2 of the present invention. The difference between this embodiment and Embodiment 1 is:
  • the video player 11 is not limited to a video converter, but may be a device connected to a video converter through a wireless or wired network and configured with a video player 11, such as a mobile phone, a PAD, or a computer.
  • the advantage of the second embodiment is that the TS stream is sent by the virtual server, so that the Android system is not required to be modified, and the video is played by the mobile terminal device, which brings convenience to the user.
  • a uniform resource locator is allocated for each program transmission stream in the video conversion device, and then the video player plays video, so that the Android system can be played without modifying the Android system.
  • the TS stream can be played, and the TS stream can also be played on the mobile video terminal device, thereby reducing the implementation cost and allowing the user to have a good playback quality and an Internet experience.
  • FIG. 7 shows the structure of a terminal provided by an embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
  • the terminal includes:
  • the video playback system 1 is connected to the communication interface 2, including: a video conversion device 10 and a video player 11;
  • the video conversion device 10 includes: a signal processing unit 101, configured to receive a multi-program transmission stream, and convert the multi-program transmission stream into a plurality of single-channel program transmission streams;
  • a resource address allocation unit 102 configured to allocate a uniform resource locator for each single program transmission stream
  • the program forwarding unit 103 is configured to transmit, according to the program play request, the corresponding one-way program transmission stream to the video player for playing by using the uniform resource locator.
  • the communication interface 2 is connected to the video playback system 1, the input device 3, and the output device 4, respectively, to implement data communication between the video playback system 1 and other devices such as the input device 3 and the output device 4.
  • the communication interface 2 can be USB, HDMI (High Definition Multimedia Interface, High Definition Multimedia Interface), PCMCIA (Personal Computer Memory Card) International Association Industry Standard Architecture, expansion card interface for portable computers) or DVI (Digital Visual Interface).
  • the input device 3 is connected to the communication interface 2, receives a play command of the user, and transmits it to the communication interface 2.
  • the input device 3 includes, but is not limited to, a button, a mouse, a keyboard remote controller, and the like.
  • the output device 4 is connected to the communication interface 2, and receives and outputs a digital television signal transmitted by the communication interface 2 and processed by the video playback system 1.
  • the output device 4 includes but is not limited to a player, a display screen, a speaker, and the like.
  • the terminal includes, but is not limited to, a smart TV, a conditional receiver, a network box, and the like.
  • the terminal provided by the embodiment of the present invention allocates a uniform resource locator for each program transmission stream in the video conversion device, and then plays video by the video player, so that the Android system can be played without playing the local playback interface.
  • the TS stream can also play TS streams on mobile video terminal devices, reducing implementation costs and allowing users to have good playback quality and Internet experience.

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

Abstract

La présente invention concerne un procédé et un système de conversion vidéo qui sont applicables au domaine de la lecture vidéo. Le procédé comprend les étapes suivantes : réception d'un flux de transport de programme multiplex et conversion du flux de transport de programme multiplex en une pluralité de flux de transport de programme simplex ; attribution d'une adresse universelle à chaque flux de transport de programme simplex ; et transmission, selon une demande de lecture d'un programme, des flux de transport de programme simplex correspondants à un lecteur vidéo par le biais de l'adresse universelle à des fins de lecture. Dans les modes de réalisation de la présente invention, une adresse universelle est attribuée à chaque flux de transport de programme dans un convertisseur vidéo, et ensuite une vidéo est lue par le lecteur vidéo de sorte qu'un système Android n'a pas besoin d'être modifié, et les flux de transport peuvent être lus via une interface de lecture locale et un dispositif terminal vidéo mobile, ce qui réduit les coûts de mise en œuvre et fournit une excellente qualité de lecture et un excellent confort d'utilisation de l'Internet.
PCT/CN2014/094049 2014-10-24 2014-12-17 Procédé et appareil de conversion vidéo, système de lecture et terminal Ceased WO2016061887A1 (fr)

Applications Claiming Priority (2)

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CN201410578907.6 2014-10-24
CN201410578907.6A CN104363509B (zh) 2014-10-24 2014-10-24 一种视频转换方法、装置、播放系统及终端

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