WO2010063147A1 - Method and mobile terminal for sharing mobile phone television program - Google Patents

Method and mobile terminal for sharing mobile phone television program Download PDF

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Publication number
WO2010063147A1
WO2010063147A1 PCT/CN2008/073313 CN2008073313W WO2010063147A1 WO 2010063147 A1 WO2010063147 A1 WO 2010063147A1 CN 2008073313 W CN2008073313 W CN 2008073313W WO 2010063147 A1 WO2010063147 A1 WO 2010063147A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
mobile
program
packet
sharing
Prior art date
Application number
PCT/CN2008/073313
Other languages
French (fr)
Chinese (zh)
Inventor
惠毅
凌小兵
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CN2008801266787A priority Critical patent/CN101946512A/en
Priority to PCT/CN2008/073313 priority patent/WO2010063147A1/en
Priority to KR1020117011589A priority patent/KR101302880B1/en
Publication of WO2010063147A1 publication Critical patent/WO2010063147A1/en

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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]
    • 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
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6181—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a mobile phone network
    • 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
    • H04N21/632—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 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4381—Recovering the multiplex stream from a specific network, e.g. recovering MPEG packets from ATM cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method and a mobile terminal for supporting mobile TV program sharing.
  • CMMB China Mobile Multimedia Broadcasting
  • CMMB-based mobile TV solution requires the mobile phone to have a dedicated hardware chip to support the program playback.
  • the CMMB hardware chip mainly completes the decryption and decoding of the CMMB mobile TV data. For those mobile phones that do not have a dedicated CMMB hardware chip installed, It is impossible to watch mobile TV programs.
  • the technical problem to be solved by the present invention is to provide a method for supporting mobile phone television program sharing and a mobile terminal, which can share mobile TV programs among different mobile terminals, and satisfy mobile terminal users who do not have CMMB hardware chips to watch television programs. Demand.
  • the present invention provides a mobile phone that supports the transmitting end and the receiving end.
  • a method of viewing program sharing including:
  • the transmitting end receives the data stream of the mobile TV program, performs decryption decoding, re-encodes and encapsulates the data packet, and sends the data packet to the receiving end, and the receiving end receives the data packet for decoding to obtain the mobile phone television program.
  • the foregoing method may further have the following feature: before sending the data packet, the sending end further initiates a program sharing request to the receiving end, and after receiving the response message that the receiving end accepts the program sharing, Send the packet.
  • the foregoing method may further have the following feature: the sending end initiates the program sharing request by establishing a CS call with the receiving end, or the sending end initiates the program sharing request by sending a Push short message mode.
  • the foregoing method may further have the following feature: the sending end sends the data packet by using a packet service data link.
  • the data packet is a real-time transport protocol RTP packet.
  • the present invention also provides a mobile terminal for supporting mobile phone television program sharing.
  • the mobile terminal is configured to receive a data stream of a mobile phone television program, perform decryption decoding, re-encode and encapsulate the data packet and send it to the peer mobile terminal for sharing.
  • the mobile terminal may further have the following feature, the mobile terminal is further configured to initiate a program sharing request to the opposite mobile terminal, and configured to: after receiving the response message that the opposite mobile terminal accepts program sharing Send the packet.
  • the mobile terminal may further have the following feature, the mobile terminal is further configured to establish a CS call with the opposite mobile terminal, initiate the program sharing request by using a CS call, or request.
  • the foregoing mobile terminal may further have the following feature, the mobile terminal is further configured to activate a packet service data link, and send the data packet by using the packet service data link.
  • the mobile terminal may further have the following feature: the data packet encapsulated by the mobile terminal is a real-time transport protocol RTP packet.
  • RTP packet real-time transport protocol
  • FIG. 1 is a flow chart showing a method for supporting mobile TV program sharing according to the present invention.
  • the core idea of the method for supporting mobile TV program sharing according to the present invention is to perform mobile TV program sharing between mobile terminals, wherein one mobile terminal can directly receive mobile TV programs from the mobile multimedia broadcast network, and receive mobile TV programs. After decryption and decoding, the code is re-encoded, and then sent to the peer mobile terminal for sharing, and the opposite mobile terminal is decoded and played, thereby achieving the purpose of sharing the mobile TV program.
  • the user While watching the mobile TV, the user initiates a call and determines to implement the shared peer mobile terminal.
  • the mobile terminal After receiving the CMMB television data from the mobile multimedia broadcast network, the mobile terminal sends the decoder to the decoder for decryption and decoding, and decrypts the decoded data through multiple solutions. Multiplexing, one channel of data is presented to the mobile terminal for playing, the other stream of audio is encoded by AAC encoding, and the video stream is encoded by AVS-M encoding.
  • the invention is not limited to the above AAC, AVS-M encoding
  • the encoded video data is obtained by transform, quantization, entropy coding, intra prediction, inter prediction, loop filtering, etc., and then the encoded audio and video data is packaged by RTP (Real Time Transport Protocol).
  • RTP Real Time Transport Protocol
  • the operation is distributed to the peer mobile terminal through the packet network, and the peer mobile terminal performs RTP unpacking from the RTP data packet received on the packet network, and then sends the audio stream data and the video stream data to the audio decoding module and the video decoding module. , restore the content of mobile TV programs, and realize mobile TV programs. Sharing between the mobile terminals.
  • the invention provides a method for supporting mobile TV program sharing, and carrying out mobile TV program sharing
  • the mobile terminals are respectively referred to as a transmitting end and a receiving end, wherein the transmitting end supports receiving mobile TV programs from the mobile multimedia broadcast network and playing, and the receiving end is not limited, that is, the receiving end can support receiving mobile TV programs from the mobile multimedia broadcast network and playing. , or may not support, including the following steps: Step s1: The sender and the receiver establish a CS call;
  • Step s2 The sender activates its packet service (PS) data link;
  • PS packet service
  • Step s3 The sender opens the mobile TV client to watch the mobile TV program.
  • the mobile TV client receives the mobile TV program data stream from the mobile multimedia broadcast network, and performs decryption and decoding.
  • Step s4 The sending end initiates a mobile TV program sharing request to the receiving end through the CS call, and waits for the receiving end to respond to the message; after receiving the program sharing request, the receiving end returns a response message to the sending end, and if the receiving end accepts the sharing, it needs to be activated. Its PS data link;
  • the transmitting end may also initiate a mobile TV program sharing request to the receiving end in the case of confirming that the receiving end PS data link is successfully activated.
  • Step s5 If the sending end receives the response message that the receiving end accepts the program sharing, the sending end sends the currently broadcasted mobile TV program content to the receiving end, and the sending end and/or the receiving end may choose to disconnect the CS call;
  • the sending end sends the currently played mobile TV program content specifically: the re-encoded and decrypted mobile TV program data stream is re-encoded and packaged in the data packet and then sent.
  • Step s6 If the sending end receives the response message that the receiving end rejects the program sharing, the user is prompted to reject the sharing, and the sharing ends.
  • the sender and the receiver do not establish a CS call, and the sender sends a TV program sharing request to the receiver through the Push message.
  • FIG. 1 is a flow chart of a method for sharing a program of a mobile terminal according to the present invention.
  • a mobile terminal using the present invention supports a program sharing function during a mobile TV program playing process. The processing flow is described in detail:
  • Step 110 The mobile terminal A and the mobile terminal B establish a CS call.
  • Step 120 The mobile terminal A completes activation of the PS data link.
  • Step 130 The mobile terminal A starts the mobile TV client, and after receiving the CMMB mobile TV data stream, decrypts and decodes the mobile TV program data stream through the CMMB chip;
  • Step 140 The mobile terminal A initiates a mobile TV program sharing request to the mobile terminal B in the CS call state.
  • Step 150 the mobile terminal B determines whether to accept the mobile TV program sharing request of the mobile terminal A. If the rejection is performed, step 160 is performed, if accepted , performing step 170;
  • Step 160 The mobile terminal B refuses to accept the sharing of the mobile TV program, returns a response message rejecting the sharing to the mobile terminal A, the mobile terminal A ends the sharing of the program, and then hangs up the CS call, and the process ends;
  • Step 170 The mobile terminal B activates the PS data link.
  • Step 180 The program sharing module of the mobile terminal A encodes and packages the mobile TV program data stream that has been decrypted and decoded by the CMMB chip into a data packet, and then sends the data packet to the mobile terminal B;
  • the audio stream is encoded by the AAC encoding method
  • the video stream is encoded by the AVS-M encoding method
  • the encoded video is obtained by transform, quantization, entropy encoding, intra prediction, inter prediction, loop filtering, and the like.
  • Data, and then the encoded audio and video data is subjected to RTP packing operation.
  • the present invention is not limited to the use of the AAC encoding method and the AVS-M encoding method, and other encoding methods may be used.
  • Step 190 The program sharing module of the mobile terminal B acquires the data packet sent by the mobile terminal A from the PS data link, and performs an unpacking and decoding operation.
  • the RTP data packet received from the mobile terminal A is RTP unpacked, and then the audio stream data and the video stream data are sent to the audio decoding module and the video decoding module for decoding.
  • Step 200 The mobile terminal B plays the decoded mobile TV program, and realizes sharing of the mobile TV program between the mobile terminals A and B.
  • the invention also provides a mobile terminal for supporting mobile phone television program sharing, wherein the mobile terminal is configured to receive a data stream of a mobile phone television program, perform decryption decoding, re-encode and encapsulate the data packet, and send the data to the peer mobile terminal for sharing. Before transmitting the data packet, the mobile terminal initiates a program sharing request to the opposite mobile terminal, and sends the data packet after receiving the response message that the opposite mobile terminal accepts the program sharing.
  • the present invention is not limited to the sharing of mobile TV programs of the CMMB type, and also supports the sharing of mobile TV programs of other mobile multimedia broadcast types.
  • the transmitting end After receiving other types of mobile TV programs, the transmitting end performs decryption decoding, re-encoding, and transmitting to the receiving.
  • the mobile TV program is shared with the receiving end.
  • the present invention can support the sharing of CMMB-based mobile TV programs between mobile terminals, and in particular, can meet the needs of mobile terminal users who do not have CMMB hardware chips to watch mobile TV programs. Moreover, the method proposed by the present invention also Can significantly increase the revenue of mobile network operators and TV program content providers.

Abstract

The present invention provides a method which supports the share of the mobile phone television program between the transmitting end and the receiving end. The method includes: the transmitting end receives the data stream of the mobile phone television program, performs decryption and decoding to the data stream, and recodes the data stream and encapsulates the data stream into data packets, and then transmits the data packets to the receiving end; the receiving end receives the data packets and decodes them, and then obtains the mobile phone television program. The present invention also provides a mobile terminal which supports the share of the mobile phone television program. By applying the method provided in this invention, the share of the mobile phone television program among the mobile terminals can be realized.

Description

一种用于共享手机电视节目的方法及移动终端  Method for sharing mobile TV program and mobile terminal
技术领域 Technical field
本发明涉及移动通讯领域， 尤其涉及一种支持手机电视节目共享的方法 及移动终端。  The present invention relates to the field of mobile communications, and in particular, to a method and a mobile terminal for supporting mobile TV program sharing.
背景技术 Background technique
随着 3G 网络的成熟以及移动终端性能的提升， 利用移动终端观看电视 的手机电视业务发展迅速， 移动终端的易于携带使得手机电视将会显示出比 传统的电视更加广泛的影响力。  With the maturity of 3G networks and the improvement of the performance of mobile terminals, mobile TV services using mobile terminals to watch TV have developed rapidly, and mobile terminals are easy to carry, making mobile TVs more widely influential than traditional TVs.
基于 CMMB ( China Mobile Multimedia Broadcasting, 中国移动多媒体广 播） 方案的手机电视业务发展很快， 已经有部分终端厂商发布了相关商业产 品， 随着手机电视内容服务商提供的节目越来越多， 用户也能够在移动终端 上享受到越来越多精彩的节目内容。  The mobile TV service based on CMMB (China Mobile Multimedia Broadcasting) has developed rapidly. Some terminal manufacturers have released relevant commercial products. As mobile TV content providers offer more and more programs, users also Can enjoy more and more exciting program content on the mobile terminal.
用户在自己的手机上欣赏精彩电视节目的同时，很希望能够和朋友分享， 期望能够让对方在手机上也能够欣赏到精彩的节目。 但是， 现在基于 CMMB 的手机电视方案需要手机必须具备专门的硬件芯片来支持节目播放， CMMB 硬件芯片主要完成对 CMMB手机电视数据的解密和解码工作，对于那些没有 安装专门的 CMMB硬件芯片的手机， 是无法进行手机电视节目的观看的。  While users enjoy the wonderful TV programs on their mobile phones, they are eager to share with their friends, and expect to allow them to enjoy the wonderful programs on their mobile phones. However, now the CMMB-based mobile TV solution requires the mobile phone to have a dedicated hardware chip to support the program playback. The CMMB hardware chip mainly completes the decryption and decoding of the CMMB mobile TV data. For those mobile phones that do not have a dedicated CMMB hardware chip installed, It is impossible to watch mobile TV programs.
因此，需要提供一种方法能够让手机电视节目在不同的移动终端间共享， 尤其是能够支持在那些还不具备专门 CMMB硬件芯片的手机上观看电视节 。  Therefore, there is a need to provide a way to share mobile TV programs between different mobile terminals, especially to support viewing of TV festivals on mobile phones that do not yet have a dedicated CMMB hardware chip.
发明内容 Summary of the invention
本发明要解决的技术问题是提供一种支持手机电视节目共享的方法及移 动终端， 在不同的移动终端间做到手机电视节目的共享， 满足未安装 CMMB 硬件芯片的移动终端用户实现观看电视节目的需求。  The technical problem to be solved by the present invention is to provide a method for supporting mobile phone television program sharing and a mobile terminal, which can share mobile TV programs among different mobile terminals, and satisfy mobile terminal users who do not have CMMB hardware chips to watch television programs. Demand.
为了解决上述技术问题， 本发明提供了一种支持发送端与接收端手机电 视节目共享的方法， 包括： In order to solve the above technical problem, the present invention provides a mobile phone that supports the transmitting end and the receiving end. A method of viewing program sharing, including:
发送端接收手机电视节目的数据流， 进行解密解码后重新编码封装在数 据包中发送给接收端， 接收端接收所述数据包进行解码后获得所述手机电视 节目。  The transmitting end receives the data stream of the mobile TV program, performs decryption decoding, re-encodes and encapsulates the data packet, and sends the data packet to the receiving end, and the receiving end receives the data packet for decoding to obtain the mobile phone television program.
进一步地， 上述方法还可具有以下特点， 所述发送端在发送所述数据包 前， 还向所述接收端发起节目共享请求， 在收到所述接收端接受节目共享的 回应消息后， 才发送所述数据包。  Further, the foregoing method may further have the following feature: before sending the data packet, the sending end further initiates a program sharing request to the receiving end, and after receiving the response message that the receiving end accepts the program sharing, Send the packet.
进一步地， 上述方法还可具有以下特点， 所述发送端通过和接收端间建 立的 CS通话发起所述节目共享请求， 或者所述发送端通过发送 Push短信方 式发起所述节目共享请求。  Further, the foregoing method may further have the following feature: the sending end initiates the program sharing request by establishing a CS call with the receiving end, or the sending end initiates the program sharing request by sending a Push short message mode.
进一步地， 上述方法还可具有以下特点， 所述发送端通过分组业务数据 链路发送所述数据包。  Further, the foregoing method may further have the following feature: the sending end sends the data packet by using a packet service data link.
进一步地，上述方法还可具有以下特点，所述数据包为实时传输协议 RTP 包。  Further, the foregoing method may further have the following feature, the data packet is a real-time transport protocol RTP packet.
本发明还提出一种支持手机电视节目共享的移动终端， 所述移动终端用 于接收手机电视节目的数据流， 进行解密解码后重新编码封装在数据包中发 送给进行共享的对端移动终端。  The present invention also provides a mobile terminal for supporting mobile phone television program sharing. The mobile terminal is configured to receive a data stream of a mobile phone television program, perform decryption decoding, re-encode and encapsulate the data packet and send it to the peer mobile terminal for sharing.
进一步地， 上述移动终端还可具有以下特点， 所述移动终端还用于向所 述对端移动终端发起节目共享请求， 及用于在收到所述对端移动终端接受节 目共享的回应消息后发送所述数据包。  Further, the mobile terminal may further have the following feature, the mobile terminal is further configured to initiate a program sharing request to the opposite mobile terminal, and configured to: after receiving the response message that the opposite mobile terminal accepts program sharing Send the packet.
进一步地， 上述移动终端还可具有以下特点， 所述移动终端还用于和所 述对端移动终端建立 CS通话， 通过 CS通话发起所述节目共享请求， 或者， 请求。  Further, the mobile terminal may further have the following feature, the mobile terminal is further configured to establish a CS call with the opposite mobile terminal, initiate the program sharing request by using a CS call, or request.
进一步地， 上述移动终端还可具有以下特点， 所述移动终端还用于激活 分组业务数据链路， 通过所述分组业务数据链路发送所述数据包。  Further, the foregoing mobile terminal may further have the following feature, the mobile terminal is further configured to activate a packet service data link, and send the data packet by using the packet service data link.
进一步地， 上述移动终端还可具有以下特点， 所述移动终端封装的所述 数据包为实时传输协议 RTP包。 使用本方法所述的方法可以实现移动终端间基于 CMMB 的手机电视节 电视节目的观看。 附图概述 Further, the mobile terminal may further have the following feature: the data packet encapsulated by the mobile terminal is a real-time transport protocol RTP packet. The viewing of the CMMB-based mobile TV festival television program between mobile terminals can be realized by the method described in the method. BRIEF abstract
此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中：  The drawings are intended to provide a further understanding of the invention, and are intended to be illustrative of the invention. In the drawing:
图 1示出釆用本发明所述的支持手机电视节目共享方法的流程图。  FIG. 1 is a flow chart showing a method for supporting mobile TV program sharing according to the present invention.
本发明的较佳实施方式 Preferred embodiment of the invention
本发明所述的支持手机电视节目共享的方法的核心思想是进行手机电 视节目共享的移动终端之间， 其中一个移动终端可以直接从移动多媒体广播 网络接收手机电视节目， 对接收到的手机电视节目解密解码后重新编码， 再 发送给进行共享的对端移动终端， 对端移动终端进行解码后播放， 从而达到 手机电视节目共享的目的。  The core idea of the method for supporting mobile TV program sharing according to the present invention is to perform mobile TV program sharing between mobile terminals, wherein one mobile terminal can directly receive mobile TV programs from the mobile multimedia broadcast network, and receive mobile TV programs. After decryption and decoding, the code is re-encoded, and then sent to the peer mobile terminal for sharing, and the opposite mobile terminal is decoded and played, thereby achieving the purpose of sharing the mobile TV program.
用户在观看手机电视的同时，发起呼叫， 确定实施共享的对端移动终端， 移动终端从移动多媒体广播网络接收到 CMMB电视数据后，送入解码器解密 解码， 解密解码后的数据通过多路解复用， 一路数据被呈现给移动终端播放， 另一路数据中的音频流釆用 AAC编码方式进行编码， 视频流釆用 AVS-M编 码方式编码， 本发明不限于上述 AAC, AVS-M编码方式， 依次经过变换、 量化、 熵编码、 帧内预测、 帧间预测、 环路滤波等模块得到编码后的视频数 据， 然后将编码后的音视频数据进行 RTP ( Realtime Transport Protocol , 实时 传输协议）打包操作， 通过分组网络分发给对端移动终端， 对端移动终端将 从分组网络上接收到的 RTP数据包进行 RTP拆包后，将音频流数据和视频流 数据送入音频解码模块和视频解码模块， 还原手机电视节目内容， 实现手机 电视节目在不同移动终端间的共享。  While watching the mobile TV, the user initiates a call and determines to implement the shared peer mobile terminal. After receiving the CMMB television data from the mobile multimedia broadcast network, the mobile terminal sends the decoder to the decoder for decryption and decoding, and decrypts the decoded data through multiple solutions. Multiplexing, one channel of data is presented to the mobile terminal for playing, the other stream of audio is encoded by AAC encoding, and the video stream is encoded by AVS-M encoding. The invention is not limited to the above AAC, AVS-M encoding The encoded video data is obtained by transform, quantization, entropy coding, intra prediction, inter prediction, loop filtering, etc., and then the encoded audio and video data is packaged by RTP (Real Time Transport Protocol). The operation is distributed to the peer mobile terminal through the packet network, and the peer mobile terminal performs RTP unpacking from the RTP data packet received on the packet network, and then sends the audio stream data and the video stream data to the audio decoding module and the video decoding module. , restore the content of mobile TV programs, and realize mobile TV programs. Sharing between the mobile terminals.
本发明提出一种支持手机电视节目共享的方法， 进行手机电视节目共享 的移动终端分别称为发送端和接收端， 其中， 发送端支持从移动多媒体广播 网络接收手机电视节目并播放， 接收端不作限定， 即接收端可以支持从移动 多媒体广播网络接收手机电视节目并播放， 也可以不支持， 包含如下步骤： 步骤 sl : 发送端和接收端建立 CS通话； The invention provides a method for supporting mobile TV program sharing, and carrying out mobile TV program sharing The mobile terminals are respectively referred to as a transmitting end and a receiving end, wherein the transmitting end supports receiving mobile TV programs from the mobile multimedia broadcast network and playing, and the receiving end is not limited, that is, the receiving end can support receiving mobile TV programs from the mobile multimedia broadcast network and playing. , or may not support, including the following steps: Step s1: The sender and the receiver establish a CS call;
步骤 s2: 发送端激活其分组业务 ( PS )数据链路；  Step s2: The sender activates its packet service (PS) data link;
步骤 s3: 发送端开启其手机电视客户端， 进行手机电视节目的观看； 其中，手机电视客户端从移动多媒体广播网络接收手机电视节目数据流， 进行解密解码后播放。  Step s3: The sender opens the mobile TV client to watch the mobile TV program. The mobile TV client receives the mobile TV program data stream from the mobile multimedia broadcast network, and performs decryption and decoding.
其中， 上述步骤 sl , s2, s3其执行顺序不限。  The above steps sl, s2, and s3 are not limited in the order of execution.
步骤 s4: 发送端通过 CS通话向接收端发起手机电视节目共享请求， 等 待接收端回应消息； 接收端收到该节目共享请求后， 向发送端返回回应消息， 如果接收端接受共享， 还需要激活其 PS数据链路；  Step s4: The sending end initiates a mobile TV program sharing request to the receiving end through the CS call, and waits for the receiving end to respond to the message; after receiving the program sharing request, the receiving end returns a response message to the sending end, and if the receiving end accepts the sharing, it needs to be activated. Its PS data link;
发送端也可以在确认接收端 PS数据链路激活成功的情况下再向接收端 发起手机电视节目共享请求。  The transmitting end may also initiate a mobile TV program sharing request to the receiving end in the case of confirming that the receiving end PS data link is successfully activated.
步骤 s5: 如果发送端收到接收端接受节目共享的回应消息， 则向接收端 发送当前正在播放的手机电视节目内容，发送端和 /或接收端可以选择断开 CS 通话；  Step s5: If the sending end receives the response message that the receiving end accepts the program sharing, the sending end sends the currently broadcasted mobile TV program content to the receiving end, and the sending end and/or the receiving end may choose to disconnect the CS call;
发送端发送当前播放的手机电视节目内容具体包含： 将解密解码后的手 机电视节目数据流重新编码打包在数据包中后发送。  The sending end sends the currently played mobile TV program content specifically: the re-encoded and decrypted mobile TV program data stream is re-encoded and packaged in the data packet and then sent.
步骤 s6: 如果发送端收到接收端拒绝节目共享的回应消息， 则提示用户 接收端拒绝共享， 本次共享结束。  Step s6: If the sending end receives the response message that the receiving end rejects the program sharing, the user is prompted to reject the sharing, and the sharing ends.
在本发明另一实施例中， 发送端和接收端不建立 CS通话， 发送端通过 Push短信方式向接收端发送电视节目共享请求。  In another embodiment of the present invention, the sender and the receiver do not establish a CS call, and the sender sends a TV program sharing request to the receiver through the Push message.
下面通过一实施例进一步说明本发明。 图 1是本发明所述的移动终端节目共享方法的流程图。 参照图 1 , 对使 用本发明所述的移动终端在进行手机电视节目播放过程中支持节目共享功能 的处理流程进行详细说明： The invention is further illustrated by an embodiment below. 1 is a flow chart of a method for sharing a program of a mobile terminal according to the present invention. Referring to FIG. 1, a mobile terminal using the present invention supports a program sharing function during a mobile TV program playing process. The processing flow is described in detail:
步骤 110: 移动终端 A和移动终端 B建立 CS通话；  Step 110: The mobile terminal A and the mobile terminal B establish a CS call.
步骤 120: 移动终端 A完成 PS数据链路的激活；  Step 120: The mobile terminal A completes activation of the PS data link.
步骤 130: 移动终端 A启动手机电视客户端， 在接收到 CMMB手机电视 数据流后， 通过 CMMB芯片完成手机电视节目数据流的解密和解码；  Step 130: The mobile terminal A starts the mobile TV client, and after receiving the CMMB mobile TV data stream, decrypts and decodes the mobile TV program data stream through the CMMB chip;
步骤 140: 移动终端 A向处于 CS通话状态的移动终端 B发起手机电视 节目共享请求； 步骤 150, 移动终端 B判断是否接受移动终端 A的手机电视节目共享请 求， 如果拒绝， 执行步骤 160, 如果接受， 执行步骤 170;  Step 140: The mobile terminal A initiates a mobile TV program sharing request to the mobile terminal B in the CS call state. Step 150, the mobile terminal B determines whether to accept the mobile TV program sharing request of the mobile terminal A. If the rejection is performed, step 160 is performed, if accepted , performing step 170;
步骤 160: 移动终端 B拒绝接受本次手机电视节目共享， 向移动终端 A 返回拒绝共享的回应消息， 移动终端 A结束本次节目共享， 然后挂断 CS通 话， 流程结束；  Step 160: The mobile terminal B refuses to accept the sharing of the mobile TV program, returns a response message rejecting the sharing to the mobile terminal A, the mobile terminal A ends the sharing of the program, and then hangs up the CS call, and the process ends;
步骤 170: 移动终端 B激活 PS数据链路；  Step 170: The mobile terminal B activates the PS data link.
步骤 180:移动终端 A的节目共享模块将经过 CMMB芯片解密和解码后 的手机电视节目数据流进行编码和打包成数据包， 然后发送数据包至移动终 端 B;  Step 180: The program sharing module of the mobile terminal A encodes and packages the mobile TV program data stream that has been decrypted and decoded by the CMMB chip into a data packet, and then sends the data packet to the mobile terminal B;
其中， 音频流釆用 AAC编码方式进行编码， 视频流釆用 AVS-M编码方 式编码， 依次经过变换、 量化、 熵编码、 帧内预测、 帧间预测、 环路滤波等 模块得到编码后的视频数据，然后将编码后的音视频数据进行 RTP打包操作。 当然， 本发明不限于使用 AAC编码方式和 AVS-M编码方式， 也可以使用其 他编码方式。  The audio stream is encoded by the AAC encoding method, and the video stream is encoded by the AVS-M encoding method, and the encoded video is obtained by transform, quantization, entropy encoding, intra prediction, inter prediction, loop filtering, and the like. Data, and then the encoded audio and video data is subjected to RTP packing operation. Of course, the present invention is not limited to the use of the AAC encoding method and the AVS-M encoding method, and other encoding methods may be used.
步骤 190:移动终端 B的节目共享模块从 PS数据链路中获取移动终端 A 发送的数据包后进行拆包和解码操作；  Step 190: The program sharing module of the mobile terminal B acquires the data packet sent by the mobile terminal A from the PS data link, and performs an unpacking and decoding operation.
具体是指： 将从移动终端 A接收到的 RTP数据包进行 RTP拆包后， 将 音频流数据和视频流数据送入音频解码模块和视频解码模块分别进行解码。  Specifically, the RTP data packet received from the mobile terminal A is RTP unpacked, and then the audio stream data and the video stream data are sent to the audio decoding module and the video decoding module for decoding.
步骤 200: 移动终端 B播放解码后的手机电视节目， 实现手机电视节目 在移动终端 A和 B间的共享。 本发明还提供一种支持手机电视节目共享的移动终端， 该移动终端用于 接收手机电视节目的数据流， 进行解密解码后重新编码封装在数据包中发送 给进行共享的对端移动终端， 在发送数据包前， 移动终端向对端移动终端发 起节目共享请求， 在收到对端移动终端接受节目共享的回应消息后发送所述 数据包。 Step 200: The mobile terminal B plays the decoded mobile TV program, and realizes sharing of the mobile TV program between the mobile terminals A and B. The invention also provides a mobile terminal for supporting mobile phone television program sharing, wherein the mobile terminal is configured to receive a data stream of a mobile phone television program, perform decryption decoding, re-encode and encapsulate the data packet, and send the data to the peer mobile terminal for sharing. Before transmitting the data packet, the mobile terminal initiates a program sharing request to the opposite mobile terminal, and sends the data packet after receiving the response message that the opposite mobile terminal accepts the program sharing.
当然，本发明不限定于 CMMB类型的手机电视节目共享，也支持其他移 动多媒体广播类型的手机电视节目的共享， 发送端接收其他类型的手机电视 节目后， 进行解密解码后重新编码打包发送给接收端， 和接收端共享该手机 电视节目。  Of course, the present invention is not limited to the sharing of mobile TV programs of the CMMB type, and also supports the sharing of mobile TV programs of other mobile multimedia broadcast types. After receiving other types of mobile TV programs, the transmitting end performs decryption decoding, re-encoding, and transmitting to the receiving. The mobile TV program is shared with the receiving end.
以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。  The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
工业实用性 通过本发明， 可以支持移动终端间基于 CMMB的手机电视节目的共享， 尤其是可以满足那些不具备 CMMB硬件芯片的移动终端用户观看手机电视 节目的需求， 此外， 本发明提出的方法还能够显著增加移动网络运营商和电 视节目内容供应商的收益。 Industrial Applicability The present invention can support the sharing of CMMB-based mobile TV programs between mobile terminals, and in particular, can meet the needs of mobile terminal users who do not have CMMB hardware chips to watch mobile TV programs. Moreover, the method proposed by the present invention also Can significantly increase the revenue of mobile network operators and TV program content providers.

Claims

权 利 要 求 书 Claim
1、 一种支持发送端与接收端手机电视节目共享的方法， 其特征在于， 包括：  A method for supporting mobile phone program sharing between a sender and a receiver, characterized in that it comprises:
发送端接收手机电视节目的数据流， 进行解密解码后重新编码封装在数 据包中发送给接收端， 接收端接收所述数据包进行解码后获得所述手机电视 节目。  The transmitting end receives the data stream of the mobile TV program, performs decryption decoding, re-encodes and encapsulates the data packet, and sends the data packet to the receiving end, and the receiving end receives the data packet for decoding to obtain the mobile phone television program.
2、 如权利要求 1所述的方法，其特征在于， 所述发送端在发送所述数 据包前， 还向所述接收端发起节目共享请求， 在收到所述接收端接受节目共 享的回应消息后， 才发送所述数据包。  2. The method according to claim 1, wherein the transmitting end initiates a program sharing request to the receiving end before receiving the data packet, and receives a response of the program sharing at the receiving end. After the message, the packet is sent.
3、 如权利要求 2所述的方法，其特征在于， 所述发送端通过和接收端 间建立的 CS通话发起所述节目共享请求， 或者所述发送端通过发送 Push短 信方式发起所述节目共享请求。  The method of claim 2, wherein the sending end initiates the program sharing request by using a CS call established between the receiving end, or the sending end initiates the program sharing by sending a Push short message mode. request.
4、 如权利要求 1所述的方法，其特征在于， 所述发送端通过分组业务 数据链路发送所述数据包。  4. The method according to claim 1, wherein the transmitting end transmits the data packet through a packet service data link.
5、 如权利要求 1所述的方法，其特征在于， 所述数据包为实时传输协 议 RTP包。  5. The method of claim 1, wherein the data packet is a real time transport protocol RTP packet.
6、 一种支持手机电视节目共享的移动终端，其特征在于， 所述移动终 端用于接收手机电视节目的数据流， 进行解密解码后重新编码封装在数据包 中发送给进行共享的对端移动终端。  6. A mobile terminal supporting mobile TV program sharing, wherein the mobile terminal is configured to receive a data stream of a mobile phone television program, perform decryption decoding, re-encode and encapsulate the data packet, and send the data to the shared mobile end for sharing. terminal.
7、 如权利要求 6所述的移动终端，其特征在于， 所述移动终端还用于 向所述对端移动终端发起节目共享请求， 及用于在收到所述对端移动终端接 受节目共享的回应消息后发送所述数据包。  The mobile terminal according to claim 6, wherein the mobile terminal is further configured to initiate a program sharing request to the opposite mobile terminal, and to receive the program sharing on the receiving mobile terminal. The packet is sent after the response message.
8、 如权利要求 7所述的移动终端，其特征在于， 所述移动终端还用于 和所述对端移动终端建立 CS通话， 通过 CS通话发起所述节目共享请求， 或 共享请求: - 。 、 、 - . " The mobile terminal according to claim 7, wherein the mobile terminal is further configured to establish a CS call with the opposite mobile terminal, initiate the program sharing request by using a CS call, or share a request: - . , , - . "
9、 如权利要求 6所述的移动终端，其特征在于， 所述移动终端还用于 激活分组业务数据链路， 通过所述分组业务数据链路发送所述数据包。 The mobile terminal according to claim 6, wherein the mobile terminal is further configured to activate a packet service data link, and send the data packet by using the packet service data link.
10、 如权利要求 6所述的移动终端，其特征在于， 所述移动终端封装的 所述数据包为实时传输协议 RTP包。 The mobile terminal according to claim 6, wherein the data packet encapsulated by the mobile terminal is a real-time transport protocol RTP packet.
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