WO2016095388A1 - Procédé de partage de position de lecture actuelle de fichier multimédia - Google Patents

Procédé de partage de position de lecture actuelle de fichier multimédia Download PDF

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Publication number
WO2016095388A1
WO2016095388A1 PCT/CN2015/077121 CN2015077121W WO2016095388A1 WO 2016095388 A1 WO2016095388 A1 WO 2016095388A1 CN 2015077121 W CN2015077121 W CN 2015077121W WO 2016095388 A1 WO2016095388 A1 WO 2016095388A1
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WIPO (PCT)
Prior art keywords
playing
dlna
current
media file
progress
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PCT/CN2015/077121
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English (en)
Chinese (zh)
Inventor
李鸳
张志刚
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中兴通讯股份有限公司
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Publication of WO2016095388A1 publication Critical patent/WO2016095388A1/fr

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    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home

Definitions

  • This paper relates to the field of Digital Live Network Alliance (DLNA), especially to a method for sharing the current playback location of media files.
  • DLNA Digital Live Network Alliance
  • DLNA Digital Media Controller
  • DMS Digital Media Server
  • DMP Digital Media Player
  • DMR Digital Media Render
  • DMC Digital Media Controller
  • the usual DLNA applications are as follows: 1.
  • the DMP device browses the shared media on the DMS device, and starts playback after selecting a certain media.
  • the DMC device browses the shared media on the DMS device, selects a certain media, and then pushes it to another DMR device for playback.
  • the DMS and the DMC are located on the same device (Push Controller). After the Push Controller device selects a certain media, it is pushed to another DMR device for playback.
  • the above several applications are an ideal playback model after selecting a shared media on the DMS device and then selecting a playback device to play.
  • a media file that is being played or being viewed such as video files: movies, variety shows, audio files mp3, or PPT.
  • the user may switch between different playback devices in multiple spaces. It is hoped that the playback progress of the media files on the previous playback device is viewed, viewed, or shared to other playback devices for simultaneous viewing and viewing.
  • the current DLNA playback device After replacing the DLNA playback device, the current DLNA playback device cannot play or watch the media file following the playback progress of the media file played by the previous DLNA device;
  • the situation is that a DLNA broadcast
  • the device is shared with other DLNA devices, and other DLNA devices cannot share the current media file playback progress of the DLNS device. It can only jump to the playback progress of the previous playback device by fast forward or click, and even then, it is impossible to accurately fast forward or jump to the playback progress of the previous playback device, which brings inconvenience to the user experience.
  • the embodiment of the present invention provides a method and an apparatus for sharing a current playback location of a media file.
  • a method for sharing a current playback location of a media file includes:
  • the method further includes:
  • the method further includes:
  • the current playback progress plays the second instruction of the media file to the first DLNA playback device and the second DLNA playback device.
  • the method further includes:
  • the second DLNA playback device plays the multimedia file according to the first instruction/the second instruction, detecting that the first DLNA playback device plays the first current broadcast of the media file And progressing, and the second current playing progress of the second DLNA playing device playing the media file; comparing whether a difference between the first current playing progress and the second current playing progress exceeds a preset threshold; If the gap exceeds the preset threshold, the playing progress of the first DLNA playing device and/or the second DLNA playing device is adjusted according to the gap.
  • a method for sharing a current playing position of a media file is further provided:
  • the second DLNA playback device plays the media file according to the current playback progress.
  • playing the media file includes: the second DLNA playback device receiving a first instruction to play the media file from the current play progress;
  • the second DLNA playback device plays the media file according to the first instruction.
  • a device for sharing a current playing position of a media file including:
  • Obtaining a module configured to obtain a current playback progress of a media file currently played by the first DLNA playback device
  • the first sending module is configured to send the current playing progress to the second DLNA playing device.
  • the device further includes: a control module, configured to control the first DLNA playback device to stop playing the media file.
  • a control module configured to control the first DLNA playback device to stop playing the media file.
  • the device further includes: a second sending module, configured to send, when the first DLNA playing device does not suspend playing the media file before acquiring the current playing progress, sending the current play Progressing to play the first instruction of the media file to the second DLNA playback device;
  • a second sending module configured to send, when the first DLNA playing device does not suspend playing the media file before acquiring the current playing progress, sending the current play Progressing to play the first instruction of the media file to the second DLNA playback device;
  • the third sending module is configured to send, when the first DLNA playing device stops playing the media file, before acquiring the current playing progress, respectively sending the media file from the current playing progress Two instructions to the first DLNA playback device and the second DLNA playback device.
  • the device further includes: a detecting module, configured to detect a first current playing progress of the first DLNA playing device playing the media file, and a second current playing progress of the second DLNA playing device playing the media file ;
  • the comparing module is configured to compare whether a difference between the first current playing progress and the second current playing progress exceeds a preset threshold
  • an adjustment module configured to adjust a play progress of the first DLNA playback device/the second DLNA playback device according to the gap if the gap exceeds the preset threshold.
  • a device for sharing a current playing position of a media file where the second DLNA playing device includes:
  • a receiving module configured to receive a current playing progress of a media file currently played by the first DLNA playing device
  • the playing module is configured to play the media file according to the current playing progress.
  • the playing module includes:
  • a receiving unit configured to receive a first instruction to play the media file from the current playing progress
  • a playing unit configured to play the media file according to the first instruction.
  • the current playback progress of the media file currently played by the first DLNA playback device is obtained; the current playback progress is sent to the second DLNA playback device, so that the first DLNA playback device and the second DLNA
  • the playback device synchronously plays from the current playback progress, effectively solving the problem that the current playback progress of the currently played media file cannot be shared among multiple DLNA playback devices in the related technology, and the media files currently played by multiple DLNA devices are realized.
  • the current playback progress is shared, and media files can be seamlessly switched between multiple DLNA devices, effectively improving user experience comfort.
  • FIG. 1 is a flowchart of a method for sharing a current play position of a media file according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for sharing a current play position of a media file according to an embodiment of the present invention
  • FIG. 3 is a flowchart of another method for sharing a current play position of a media file according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of another method for sharing a current play position of a media file according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a device for sharing a current playing position of a media file according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of another apparatus for sharing a current playing position of a media file according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another sharing device for a current playback position of a media file according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another apparatus for sharing a current playing position of a media file according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a sharing device of a current playback position of a media file in a second DLNA playback device according to an embodiment of the present invention.
  • FIG. 10 is a block diagram of a sharing device of a current playback position of a media file in a second DLNA playback device according to an embodiment of the present invention
  • FIG. 11 is a schematic diagram of networking of a DLNA device in a local area network according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a method for sharing a current playback position of a file by a DLNA device in a local area network according to an embodiment of the invention.
  • FIG. 1 is a flowchart of a method for sharing a current play position of a media file according to an embodiment of the present invention. As shown in FIG. 1, the method may include the following steps:
  • Step S100 Acquire a current playing progress of a media file currently played by the first DLNA playing device.
  • the first DLNA playback device is playing media files, including: video programs, audio MP3s, or slide PPTs. If the user needs to replace the playback device, he or she wants to follow the playback progress just viewed or consulted; or the user shares the media file that he currently views or consults with a third party such as a friend, so that the third party can currently play the current media file from the user.
  • a third party such as a friend
  • the playing progress can be the current playing time, such as XX hours: XX minutes: XX seconds, or the ratio of the current playing content to the content of the entire media file, such as 55.5%, the form is not limited, and all the information that can accurately know the playing progress is can.
  • Step S102 Send the current playing progress to the second DLNA playing device, so that the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress.
  • the second DLNA playback device referred to herein is a generic term and is only used to distinguish between a DLNA device before replacement or a DLNA device that is shared with media files.
  • the DMC can control the second DLNA playback device to notify it that the media file is to be played.
  • the second DLNA playback device can obtain the media file to be played from the digital media server.
  • the second DLNA device does not know the current playing progress of the first DLNA device, and needs to send the current playing progress obtained in step S100 to the second playing device.
  • the second DLNA playback device learns the current playback progress of the currently playing media file of the first DLNA.
  • the progress of the media file playback of the first and second playback devices can be synchronized, and the seamless connection effect is achieved.
  • the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress, including: the second DLNA playing device may directly play the media file according to the current playing progress, or may be played according to the playing. Instructed to play.
  • the second DLNA playback device may obtain the media file from the digital media server according to the current playback progress of the media file, and the media file does not need to be acquired before the current playback progress, thereby saving storage space and saving
  • the time for obtaining the media file is such that the playback progress of the first DLNA and the second DLNA device is closer, and the playback connection is more optimized.
  • the method provided by the embodiment of the present invention takes the current playback progress of the media file currently played by the first DLNA playback device, and sends the current playback progress to the second DLNA playback device, so that the first DLNA playback device and the
  • the second DLNA playing device synchronously plays from the current playing progress, effectively solving the problem that the current playing progress of the currently playing media file cannot be shared among the multiple DLNA playing devices, and realizing the current playing of the media files of the multiple DLNA devices. Play progress sharing, media files can be seamlessly switched between multiple DLNA devices, effectively improving user experience comfort.
  • step S200 is added before step S100. That is, before step S100, step S200 is executed to control the first DLNA playback device to stop playing the media file, so that the current playback progress of the currently playing media file of the first DLNA playback device is more accurate, and is suitable for replacing DLNA playback. In the case of a device, aborting playback can save energy.
  • the method may further include: the first DLNA playback device does not suspend playing the media before acquiring the current playback progress.
  • the first DLNA playback device does not suspend playing the media before acquiring the current playback progress.
  • sent separately from The current playback progress plays a second instruction of the media file to the first DLNA playback device and the second DLNA playback device.
  • This embodiment makes a distinction as to whether to suspend the first DLNA playback device.
  • the first DLNA is not suspended, only the instruction to play from the current progress is transmitted to the second DLNA playback device.
  • an instruction to play from the current progress is transmitted to the first and second DLNA playback devices.
  • the method may further include: detecting that the first DLNA playback device plays the media file a first current playback progress, and a second current playback progress of the second DLNA playback device playing the media file; comparing whether a difference between the first current playback progress and the second current playback progress exceeds a preset threshold; In a case that the gap exceeds the preset threshold, the playing progress of the first DLNA playing device and/or the second DLNA playing device is adjusted according to the gap.
  • the playback progress of playing media files by multiple DLNA playback devices is inconsistent when multiple DLNA playback devices share the progress of playing media files or continue playing after the shared playback progress.
  • the playback progress of the DLNA playback devices relative to each other is adjusted according to the difference between the playback schedules. It can be a fast playback of the DLNA playback device, waiting for a certain time, or a slower playback of the DLNA playback device to speed up the playback of the faster DLNA playback device.
  • FIG. 3 is a flowchart of a method for sharing a current play position of a media file according to an embodiment of the present invention. As shown in FIG. 3, the method may include the following steps:
  • Step S300 The second DLNA playing device receives the current playing progress of the media file currently played by the first DLNA playing device.
  • Step S302 The second DLNA playing device plays the media file according to the current playing progress, so that the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress.
  • the second DLAN playback device here is a generic term, generally refers to a DLNA device that receives a share and plays a media file according to the current playback progress.
  • the first DLNA playback device shares the current playback progress of the currently playing media file, and the second playback DLNA needs to receive and acquire the current playback progress to know which position to play synchronously from the media file. Then, according to the obtained current playing progress, the second DLNA playing device performs playing to achieve the effect of playing synchronously with the first DLNA playing device.
  • the second DLNA playing device may start playing the media file according to the obtained current playing progress, or may start playing the media file according to an instruction input by the user.
  • the method provided in this embodiment effectively solves the problem that the current playback progress of the currently played media file cannot be shared among multiple DLNA playback devices, and realizes the current playback progress sharing of the currently played media files of multiple DLNA devices, and the media file. Seamlessly switch between multiple DLNA devices, effectively improving user experience comfort.
  • FIG. 4 another method for sharing a current play location of a media file according to an embodiment of the present invention.
  • the method can refer to the steps shown in FIG. Step S302 shown in FIG. 3 may include:
  • Step S400 The second DLNA playing device receives a first instruction to play the media file from the current playing progress
  • Step S402 The second DLNA playing device plays the media file according to the first instruction, so that the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress.
  • the second DLNA playback device After acquiring the current playback progress of the first DLNA playback device, the second DLNA playback device does not immediately start playing, and may also play the media file according to the user startup command, so that the first DLNA playback device and the first The two DLNA playback devices play synchronously from the current playback progress.
  • a right for the user to select and start the synchronous playing time after sharing the current playing progress is provided, and the user experience comfort is improved.
  • FIG. 5 is a schematic diagram of a sharing device for a current playback position of a media file according to an embodiment of the present invention. As shown in Figure 5, The device can include the following modules:
  • the obtaining module 50 is connected to the first sending module 52, and configured to obtain a current playing progress of the media file currently played by the first DLNA playing device;
  • the first sending module 52 is configured to send the current playing progress to the second DLNA playing device, so that the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress.
  • the device provided by the embodiment of the invention adopts the obtaining module 50 and the first sending module 52, which effectively solves the problem that the current playing progress of the currently playing media file cannot be shared among multiple DLNA playing devices, and realizes the current status of multiple DLNA devices.
  • the current playback progress of playing media files is shared, and the media files can be seamlessly switched between multiple DLNA devices, which effectively improves user experience comfort.
  • the device may include the following modules.
  • the obtaining module 60 and the first sending module 62 may respectively refer to the obtaining module 50 and the first sending module 52 shown in FIG. 5, and may further include: a control module 64 connected to the first sending.
  • the module 62 is configured to control the first DLNA playback device to suspend playing the media file.
  • the current playback progress of the currently playing media file of the first DLNA playback device can be more accurate, and the audible playback can save energy by replacing the DLNA playback device.
  • FIG. 7 another device for sharing a current playing position of a media file according to an embodiment of the present invention.
  • the device may include the following modules.
  • the obtaining module 70 and the first sending module 72 can refer to the obtaining module 50 and the first sending module 52 shown in FIG. 5 respectively, at least the following modules may be included:
  • the second sending module 74 is connected to the first sending module 72, and is configured to send the current playing progress if the first DLNA playing device does not suspend playing the media file before acquiring the current playing progress. Playing the first instruction of the media file to the second DLNA playback device; or
  • the third sending module 76 is connected to the second sending module 74, and is configured to: when the first DLNA playing device stops playing the media file before acquiring the current playing progress, respectively Sending a second instruction to play the media file from the current play progress to the first DLNA playback device and the second DLNA playback device.
  • the time when the DLNA device starts playing is controlled according to the user's play instruction, and the user is provided with a right to freely select the start playing time, thereby improving user comfort.
  • the device may include the following modules: the obtaining module 80, the first sending module 82, the second sending module 84, and the second sending module 86 may refer to the obtaining module 70, the first sending module 72, and the second sending module respectively shown in FIG. 74.
  • the second sending module 76 can further include at least the following modules:
  • the detecting module 87 is connected to the second sending module 86, configured to detect a first current playing progress of the first DLNA playing device playing the media file, and a second current playing progress of the second DLNA playing device playing the media file;
  • the comparing module 88 is connected to the monitoring module 87, and configured to compare whether a difference between the first current playing progress and the second current playing progress exceeds a preset threshold;
  • the adjusting module 89 is connected to the comparing module 88, and is configured to adjust the playing progress of the first DLNA playing device/the second DLNA playing device according to the gap if the gap exceeds the preset threshold.
  • FIG. 9 is a schematic diagram of a sharing device of a current playback position of a media file in a second DLNA playback device according to an embodiment of the present invention. As shown in FIG. 9, the device may include the following modules:
  • the receiving module 90 is configured to receive a current playing progress of the media file currently played by the first DLNA playing device
  • the playing module 92 is connected to the accepting module 92, and configured to play the media file according to the current playing progress, so that the first DLNA playing device and the second DLNA playing device play synchronously from the current playing progress. .
  • the method provided in this embodiment effectively solves the problem that the current playback progress of the currently played media file cannot be shared among multiple DLNA playback devices, and realizes the current playback progress sharing of the currently played media files of multiple DLNA devices, and the media file. Seamlessly switch between multiple DLNA devices, effectively improving user experience comfort.
  • FIG. 10 is a block diagram of a sharing device of a current playback position of a media file in a second DLNA playback device according to an embodiment of the invention.
  • the module is the play module 92 in FIG. 9, and may include the following units:
  • the receiving unit 920 is configured to receive a first instruction to play the media file from the current playing progress
  • the playing unit 922 is connected to the receiving unit 920 and configured to play the media file according to the first instruction.
  • first sending module 50 the functions of the first sending module 50, the second sending module 70, and the third sending module 72 are the same or similar functions, and therefore may be the same physical device or virtual device having the function. Modules can also be different physical devices or virtual modules.
  • FIG. 5 to FIG. 10 are in one-to-one correspondence with the methods in FIG. 1 to FIG. 4, and the technical problems solved and the technical effects achieved are the same, and the technical means adopted are adopted. There is a one-to-one correspondence, so when describing the corresponding devices and modules, they are not described in detail.
  • this embodiment has several DLNA devices in the same local area network, such as: a digital media controller (DMC), a digital media server (DMS, Digital Media Server), and Two digital media renderers (DMR, Digital Media Render) (DMR1 and DMR2).
  • DMC digital media controller
  • DMS digital media server
  • DMR Digital Media Render
  • DMR1 and DMR2 Two digital media renderers
  • the DLNA playback device refers to a playback device that supports the DLNA protocol. It can be either DMR or DMP, because DMP has both DMC and DMR functions, such as mobile terminal and power. Video, computer, ipad, etc.
  • DMC refers to a device that supports the DLNA protocol and sends commands and control functions to the DLNA playback device. It can be a signal controller such as a remote controller or a mobile phone.
  • Digital Media Server refers to a server that provides media files for playback to DLNA playback devices in the DLNA protocol and shares them on the LAN.
  • DMC can access and operate DMR1, DMR2 and DMS through services such as UPnP av's Content Directory Service (CDS, ContentDirectory Service) and Connection Management Service (CMS) and AV Transport Service (AVT, AVTransport Service) supported by DMS and DMR.
  • CDS Content Directory Service
  • CMS Connection Management Service
  • AVT AVTransport Service
  • FIG. 12 a schematic diagram of a method for sharing a current playback position of a file by a DLNA device in a local area network according to the present embodiment.
  • Step 1 The digital media renderer 1, which can support the DLAN protocol laptop, mobile terminal, etc., is playing media A on the DMS. Based on the DLNA protocol, a DLNA device on the same local area network can acquire media file resources on the digital media server DMS. Media files include everyday video, audio, and even PPT.
  • Step 2 The digital media controller establishes a play connection between the digital media renderer 1 and the digital media renderer 2 through the CMS service according to DLNA regulations.
  • the digital media renderer 2 is ready to play.
  • Step 3 The DMC controls the digital media renderer 1 to pause playback by stopping the operation, that is, the AVT: Pause action.
  • Step 4 Obtain the current playback position of the media A by the digital media renderer 1 device by acquiring the location information operation, that is, the AVT: GetPositionInfo action, which is also the pause position, which may be the current play time T of the media A, or the current file has been played. percentage.
  • the current playback position of media A is also the current playback progress mentioned above.
  • Step 5 The digital media controller sends the current playback progress of the currently playing media file acquired from the digital media renderer 1 to the digital media renderer 2.
  • the digital media controller specifies that the digital media renderer 2 jumps to play media A at time T by a lookup operation, ie, AVT: Seek action.
  • Step 6 The digital media renderer 2 requests the DMS to obtain the media content from the time T of the media A.
  • Step 7 The digital media controller sends an instruction to start playback to the two playback devices, namely the digital media renderer 1 and the digital media renderer 2.
  • the digital media controller sends a play command to the DMR1 and DMR2, that is, the AVT:Play action, and the DMR1 and DMR2 start playing the media.
  • the digital media renderer 1 starts playing from the pause position (time T, or at the Nth byte of the corresponding media file when paused).
  • the digital media renderer 2 starts playing from the specified position and also at time T.
  • the digital media renderer DMC can also let the third or more DLNA playback devices join the synchronous playback process, so that multiple people can share the current playback progress and achieve multi-person sharing.
  • the benefits of synchronized playback it is not only suitable for personal replacement of DLNA devices to play the same media files, but also for the situation where multiple people share the playing progress in the classroom and the conference room, and simultaneously play the media files.
  • the DMC acquires the playback progress of the DLNA that is playing the media file, and sends the current playback progress to other DLNA devices.
  • the DLNA device selects the specified location from the media. Start getting media resources. And control to play the DMC at the same time send a play command to the two playback devices, play from the same location.
  • multiple DLNA devices can be controlled to share the playback progress and achieve the effect of synchronous playback. It can meet the requirements of users seamlessly switching between multiple playback devices and improve the user experience of DLNA applications.
  • the embodiment of the invention can also be applied to the situation that multiple devices simultaneously play media such as video music.
  • the embodiment of the invention is also applicable to teaching and conferences, and the speech is pushed to other people's smart phones, computers and other devices by video playback.
  • the foregoing technical solution effectively solves the problem that the current playback progress of the currently playing media file cannot be shared among multiple DLNA playback devices, and realizes the current playback progress of the currently playing media files of multiple DLNA devices, and the media files are in multiple DLNA devices. Seamlessly switch between playbacks, effectively improving user experience comfort.

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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

L'invention concerne un procédé de partage de la position de lecture actuelle d'un fichier multimédia. Le procédé peut comprendre les étapes suivantes : acquérir la progression de lecture actuelle d'un fichier multimédia en cours de lecture par un premier dispositif de lecture DLNA ; et envoyer la progression de lecture actuelle à un deuxième dispositif de lecture DLNA, pour que le premier dispositif de lecture DLNA et le deuxième dispositif de lecture DLNA lisent de façon synchronisée à partir de la progression de lecture actuelle. Cette solution technique résout efficacement le problème de l'état de la technique selon lequel la progression de lecture actuelle d'un fichier multimédia en cours de lecture ne peut pas être partagée entre de multiples dispositifs de lecture DLNA, de sorte que la progression de lecture actuelle du fichier multimédia en cours de lecture puisse être partagée entre les dispositifs DLNA, qu'on puisse changer sans coupure la lecture du fichier multimédia entre les dispositifs DLNA, et que le niveau de confort de l'expérience d'utilisateur soit amélioré efficacement.
PCT/CN2015/077121 2014-12-19 2015-04-21 Procédé de partage de position de lecture actuelle de fichier multimédia WO2016095388A1 (fr)

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CN108108146A (zh) * 2018-01-19 2018-06-01 深圳市沃特沃德股份有限公司 多个播放设备同步播放的方法与播放设备
CN108200457A (zh) * 2018-01-19 2018-06-22 深圳市沃特沃德股份有限公司 多个播放设备同步播放的方法与播放设备
CN109618209B (zh) * 2018-12-25 2021-03-30 深圳创维－Rgb电子有限公司 视频同步播放方法、设备及计算机可读存储介质
CN113259041B (zh) * 2021-05-08 2023-04-28 广州酷狗计算机科技有限公司 多终端之间播放进度同步的方法、装置及存储介质

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