WO2012079492A1 - Procédé et dispositif pour décoder des données d'appel vidéo - Google Patents

Procédé et dispositif pour décoder des données d'appel vidéo Download PDF

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Publication number
WO2012079492A1
WO2012079492A1 PCT/CN2011/083816 CN2011083816W WO2012079492A1 WO 2012079492 A1 WO2012079492 A1 WO 2012079492A1 CN 2011083816 W CN2011083816 W CN 2011083816W WO 2012079492 A1 WO2012079492 A1 WO 2012079492A1
Authority
WO
WIPO (PCT)
Prior art keywords
decoding
video call
call data
multiplexing
video
Prior art date
Application number
PCT/CN2011/083816
Other languages
English (en)
Chinese (zh)
Inventor
王彦亭
曹明明
吴建新
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
Publication of WO2012079492A1 publication Critical patent/WO2012079492A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H04N2007/145—Handheld terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and an apparatus for decoding video call data.
  • 3G third generation mobile communication
  • the video decoding software method can decode 3G mobile phone video data.
  • the capability set and the multiplexing information negotiation are performed, and after the negotiation is completed, the call is performed.
  • the function of the negotiation is to obtain the coding parameters of the peer end, and is used to decode the data sent by the peer end.
  • a primary object of the present invention is to provide a decoding scheme for video call data to at least solve the problem in the related art that cannot be decoded when playing 3G video data that does not contain negotiation information.
  • a decoding method of video call data includes the following steps: obtaining a multiplexing table required for decoding from 3G video call data to be played; and using a locally saved multiplexing table for 3G video in case of failure to acquire The call data is decoded.
  • the method further includes: playing a 3G video call between the mobile terminals based on different manufacturer chips, obtaining and saving corresponding to the 3G video call Multiplex table.
  • the method further includes: obtaining the identification information of the current mobile terminal from the 3G video call data, where the identification information includes at least one of the following: , the product number, the product version number; according to the identification information, select a multiplex table that best matches the model of the current mobile terminal from the locally saved multiplex table.
  • decoding the 3G video call data by using the locally saved multiplexing table includes: selecting a preset multiplexing table or a multiplexing table that best matches the model of the current mobile terminal as the current decoding multiplexing table, and according to the current decoding
  • the multiplexing table sets the decoding parameters to decode the 3G video call data; and the decoded audio and video data are respectively sent to the corresponding decoder for decoding and playing.
  • the method further includes: if the obtained multiplex table required for decoding is not locally saved, if the acquisition is successful, The multimedia playback system then saves the multiplex table required for decoding.
  • the 3G video call data is decoded by the H.324 protocol using a locally stored multiplexing table.
  • a decoding apparatus for video call data is also provided.
  • the decoding device for video call data according to the present invention includes: an obtaining module configured to acquire a multiplexing table required for decoding from 3G video call data to be played; and a decoding module configured to use a local in case of acquisition failure
  • the saved multiplex table decodes the 3G video call data.
  • the device further includes: a playing module, configured to play a 3G video call between mobile terminals based on different manufacturer chips; and a saving module configured to obtain and save a complex corresponding to the 3G video call according to the playing result of the playing module Use the table.
  • the device further includes: a selection module, configured to obtain identification information of the current mobile terminal from the 3G video call data, where the identification information includes at least one of the following: a vendor name, a product number, a product version number; The information selects a multiplex table that best matches the model of the current mobile terminal from the locally saved multiplex table.
  • the device is a multimedia playback system.
  • the 3G video call data is decoded by using the locally saved multiplex table, and the related art does not include the negotiation information during playback.
  • the problem of not being able to decode 3G video data improves the flexibility and compatibility of the system.
  • FIG. 1 is a flow chart showing a method of decoding video call data according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing a structure of a decoding apparatus for video call data according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a multimedia playback system according to Embodiment 1 of the present invention
  • FIG. 5 is a workflow diagram of video playback in a multimedia playback system according to Embodiment 1 of the present invention;
  • a decoding method of video call data is provided.
  • 1 is a flowchart of a method for decoding video call data according to an embodiment of the present invention.
  • the method includes the following steps: Step S102: Acquire multiplexing required for decoding from 3G video call data that needs to be played.
  • Step S104 In the case that the acquisition fails, the 3G video call data is decoded using the locally saved multiplexing table.
  • the method for decoding the 3G video call data is decoded by using the locally saved multiplex table, and the related art does not include the negotiation information during playback.
  • a 3G video call between mobile terminals based on different vendor chips can be played, and a multiplexing table corresponding to the 3G video call is obtained and saved.
  • the method can locally save multiple types of multiplex tables in advance for playing 3G video calls in the future, and increase the resource library of the local multiplex table, thereby improving the processing capability of the system.
  • the identifier information of the current mobile terminal may be obtained from the 3G video call data, where the identifier information includes at least one of the following: a vendor name, a product number, a product version number;
  • the saved multiplex table select the multiplex table that best matches the model of the current mobile terminal. This method can improve the effectiveness and accuracy of the system.
  • decoding the 3G video call data by using the locally saved multiplexing table includes: selecting a preset multiplexing table or a multiplexing table that most closely matches the model of the current mobile terminal as the current decoding multiplexing table.
  • This method can increase the flexibility and processing efficiency of the system.
  • the multimedia playing system saves the multiplexing table required for decoding.
  • the method can increase the resource library of the local storage multiplex table, prepare for future playback processing, and improve the utilization of system resources.
  • the 3G video call data is decoded by the H.324 protocol using a locally stored multiplexing table. The method is simple and practical, and has high operability.
  • an embodiment of the present invention further provides a decoding apparatus for video call data.
  • 2 is a structural block diagram of a decoding apparatus for video call data according to an embodiment of the present invention.
  • the apparatus 20 includes: an obtaining module 22 configured to acquire decoding required from 3G video call data to be played.
  • the multiplexing module 24 is coupled to the obtaining module 22 and configured to decode the 3G video call data using the locally saved multiplexing table in case of failure to acquire.
  • the decoding module 24 decodes the 3G video call data by using the locally saved multiplexing table, and solves the related technology.
  • FIG. 3 is a structural block diagram of a decoding apparatus for video call data according to a preferred embodiment of the present invention.
  • the apparatus 20 further includes: a playing module 32 configured to play 3G video between mobile terminals based on different manufacturers chips.
  • the call module is coupled to the play module 32 and the decoding module 24, and is configured to obtain and save a multiplexing table corresponding to the 3G video call according to the result played by the play module 32.
  • the apparatus 20 further includes: a selection module 36, coupled to the saving module 34 and the obtaining module 22, configured to acquire identification information of the current mobile terminal from the 3G video call data, where the identification information includes at least One of the following: the manufacturer name, the product number, the product version number; and the multiplex table matching the model of the current mobile terminal from the locally saved multiplex table according to the identification information.
  • the device 20 can be a multimedia playback system. The implementation process of the above embodiment will be described in detail below in conjunction with the preferred embodiments and the accompanying drawings. Preferred Embodiment 1
  • the video decoding method in this embodiment can be applied to a multimedia playback system for decoding 3G mobile phone video data by using the H.324 protocol.
  • H.324 is a protocol set, which supports real-time video, audio, data, and any combination thereof, and the implementer can select according to requirements.
  • Sub-protocol For example, the multimedia playback system may use the H.245 protocol and the H.223 protocol as sub-protocols of the H.324 protocol, where the H.245 protocol is a control signaling protocol in the multimedia communication system, and is used to acquire a capability set in the video data.
  • the H.223 protocol is a multimedia multiplexing protocol used to obtain channel information corresponding to video, audio, and data.
  • FIG. 5 is a flowchart of a video playback operation in a multimedia playback system according to the first embodiment of the present invention. As shown in FIG.
  • the method for decoding a video playback of a 3G mobile phone may include the following steps: Step S502: When performing video playback of a 3G mobile phone, If the multiplex table can be solved from the video data, step S504 is performed, otherwise step S508 is performed. It should be noted that, before step S502, the data of the video call between the mobile terminals of different manufacturers' chips may be acquired in advance, and played in the multimedia playing system, and the reuse table solved during the playing process is saved in the database. In step S504, the multiplex table solved in step S502 is compared with the saved multiplex table one by one. If it is a new multiplex table, the process proceeds to step S506. Otherwise, the process is not saved, and then step S512 is performed.
  • Step S506 the multiplexing table is saved.
  • Step S508 determining whether the multiplexing table is preset. If so, it is taken as the current multiplexing table, and step S512 is performed. Otherwise, step S510 is performed.
  • step S510 the mobile phone manufacturer, the product number, and the product version number solved from the 3G mobile phone video data are matched with the corresponding information in the saved multiplexing table, and the multiplexing table with the highest matching degree is selected as the current multiplexing table.
  • Step S512 setting the decoding parameters according to the current multiplexing table, and proceeding to step S514.
  • Step S514 decoding the 3G mobile phone video data, and proceeding to step S516.
  • Step S5166 the solved audio and video data are respectively sent to the corresponding decoder for decoding and playing.
  • the existing decoding process is improved, so that the decoding can be performed normally. Improve system scalability and compatibility.
  • Preferred Embodiment 2 This embodiment describes an operation process of video playback in a multimedia playback system by using an example. Specifically, the operation process may include the following steps: Step 1: You can play 3G video between mobile phone terminals of different manufacturer chips in advance. Call, save a certain number of multiplex tables. Step 2. Select a 3G mobile phone video file to play. Step 3.
  • step 4 Select the multiplex table setting option in the media player window, and select the multiplex table in the pop-up dialog box, according to the manufacturer, product number, and product version number information.
  • Step 5 select the video file just now and play it again.
  • Step 6 If the player can play and is satisfied with the playing effect, the step ends here. Otherwise, steps 4 and 5 are repeated until the player can play and the effect is satisfactory.
  • the 3G mobile phone video call does not include parameter information and multiplexing information, and the monitoring process of the existing video monitoring system is improved, so that the system can use the H.324 protocol to communicate with the mobile phone in the 3G network.
  • the video data is decoded to improve the processing power of the system.
  • the video decoding processing method in the embodiment of the present invention can be applied to a multimedia playback system, in which a video call data between the same chip mobile phone uses a H.324 protocol for decoding, SP, and acquires a 3G video.
  • the method for decoding the 3G video call data is decoded by using the locally saved multiplex table, and the related art cannot decode the 3G video data that does not include the negotiation information when playing the related art.
  • the problem has increased the flexibility and compatibility of the system.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device so that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module.

Landscapes

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

Abstract

La présente invention se rapporte à un procédé et à un dispositif adaptés pour décoder des données d'appel vidéo. Le procédé selon l'invention comprend les étapes suivantes consistant : à extraire la table de multiplexage utilisée pour décoder la vidéo à partir de données d'appel vidéo 3G devant être lues ; et, en cas de défaillance au moment de l'extraction, à utiliser la table de multiplexage locale pour décoder les données d'appel vidéo 3G. La solution technique de l'invention permet de résoudre le problème lié à une défaillance du décodage quand des données de négociation ne sont pas incluses dans les données d'appel vidéo 3G. De cette manière, la solution technique de l'invention permet d'améliorer la souplesse et la compatibilité du système.
PCT/CN2011/083816 2010-12-15 2011-12-12 Procédé et dispositif pour décoder des données d'appel vidéo WO2012079492A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010105890302A CN102572364A (zh) 2010-12-15 2010-12-15 视频通话数据的解码方法及装置
CN201010589030.2 2010-12-15

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WO2012079492A1 true WO2012079492A1 (fr) 2012-06-21

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CN105992055B (zh) * 2015-01-29 2019-12-10 腾讯科技（深圳）有限公司 一种视频解码的方法及装置
CN105992056B (zh) * 2015-01-30 2019-10-22 腾讯科技（深圳）有限公司 一种视频解码的方法和装置
CN106559679B (zh) * 2015-09-28 2019-10-08 腾讯科技（深圳）有限公司 视频解码的方法、服务器和移动终端
CN105915836A (zh) * 2015-12-14 2016-08-31 乐视致新电子科技（天津）有限公司 一种视频通话的方法及装置

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CN1791228A (zh) * 2004-11-02 2006-06-21 Lg电子株式会社 移动通信终端的视频呼叫数据编码方法
CN101238737A (zh) * 2005-04-21 2008-08-06 达丽星网络有限公司 对h.324的快速会话建立扩展
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