WO2024041672A1 - Procédé et système de lecture vidéo panoramique de rv basée sur un service iptv - Google Patents

Procédé et système de lecture vidéo panoramique de rv basée sur un service iptv Download PDF

Info

Publication number
WO2024041672A1
WO2024041672A1 PCT/CN2023/125602 CN2023125602W WO2024041672A1 WO 2024041672 A1 WO2024041672 A1 WO 2024041672A1 CN 2023125602 W CN2023125602 W CN 2023125602W WO 2024041672 A1 WO2024041672 A1 WO 2024041672A1
Authority
WO
WIPO (PCT)
Prior art keywords
iptv
panoramic
playback
panoramic video
video
Prior art date
Application number
PCT/CN2023/125602
Other languages
English (en)
Chinese (zh)
Inventor
姜超
熊伟成
李明
Original Assignee
烽火通信科技股份有限公司
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 烽火通信科技股份有限公司 filed Critical 烽火通信科技股份有限公司
Publication of WO2024041672A1 publication Critical patent/WO2024041672A1/fr

Links

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]
    • H04N21/40—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
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/398—Synchronisation thereof; Control thereof
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • This application relates to the field of IPTV technology, and in particular to a VR panoramic video playback method and system based on IPTV services.
  • IPTV Interactive Internet Television
  • panoramic multimedia service refers to providing users with 360-degree panoramic video, pictures, audio, text and other multimedia content services through the use of panoramic playback technology and IPTV terminals. Through human-computer interaction, users can obtain visual perception, auditory perception and immersive experience in the virtual environment.
  • IPTV business navigation provides EPG (Electronic Program Guide, Electronic Program Guide) pages for IPTV terminals, and some provide broadcast control UI and unified button processing functions.
  • EPG page is a 2D page, not a 360-degree panoramic page.
  • IPTV media delivery provides streaming video content, but the current content provision of panoramic video is also based on existing IPTV media delivery. When IPTV media delivery provides video content, it cannot distinguish whether the video content is panoramic video or non-panoramic video.
  • IPTV service navigation needs to enable users to uniformly control the panoramic video content displayed on the IPTV terminal by switching up, down, left, and right 360-degree angles, and to uniformly control the playback status of fast forward, backward, and pause.
  • Unified control of zooming in and out for viewing is a core issue that needs to be solved in this field.
  • IPTV business navigation does not have unified control capabilities, so it is still necessary to achieve compatibility with IPTV panoramic video.
  • IPTV business navigation does not have unified control capabilities, and can be played locally through IPTV terminals.
  • the application obtains video from IPTV media delivery, and the local panoramic playback application implements video rendering, playback control and UI display; it can also be compatible with the later development of IPTV business navigation and support IPTV panoramic video unified control capabilities.
  • the existing IPTV service navigation includes EPG, broadcast control UI, and some remote control operation logic on the page, which can create and control ordinary flat-panel players.
  • the flat player does not have the functions of 360-degree viewing angle switching and viewing angle zooming
  • the IPTV service navigation does not have the ability to operate the VR panoramic player.
  • IPTV media delivery has the function of transmitting video content data, but it cannot distinguish whether it is a flat video or a 360-degree panoramic video, so it cannot tell the IPTV terminal the video characteristics. Further, the IPTV terminal cannot know whether the video needs to be sphere rendered, nor can it perform the video rendering. Perspective switching and perspective zooming.
  • IPTV terminal set-top box
  • fast forwarding and fast forwarding can be performed.
  • IPTV terminal panoramic media processing system with unified control of unpause and playback status, and unified control of zoom in and out for viewing.
  • Video Videos can be obtained from IPTV media delivery through the local panoramic playback application of the IPTV terminal, and the local panoramic playback application can implement video rendering and playback control. and UI display functions; it can also be compatible with the ability to support IPTV panoramic video unified control after the IPTV service navigation matures.
  • this application provides a VR panoramic video playback method and system based on IPTV services to achieve the above needs.
  • this application provides a VR panoramic video playback method based on IPTV services, including two ways of starting the IPTV terminal panoramic media processing system:
  • API calls are used to decide whether to perform the action of changing the viewing angle or changing the playback state; when the IPTV terminal receives the key event, it sends the key event to the IPTV business navigation; and/or:
  • the local panoramic video playback application By calling the local panoramic video playback application of the IPTV terminal, it is dominated by the local panoramic video playback application of the IPTV terminal: when the IPTV terminal receives a key event, the local panoramic video playback application decides to perform the action of changing the viewing angle or changing the playback state.
  • UI The display is also implemented by a local panoramic video playback application.
  • IPTV business navigation when called through API, specifically includes:
  • the browser subsystem parses and initializes the VR panoramic player object, including initializing the VR panoramic feature capabilities of the API of the VR panoramic player object;
  • the VR panoramic feature capabilities of the API include video playback state control capabilities and perspective changing functions;
  • the browser subsystem calls the corresponding VR panoramic feature capability according to the key event and displays the corresponding UI;
  • the 2D display layer of the UI display and the 3D display layer of the 3D spherical model are combined and displayed.
  • obtaining the 3D spherical model and 2D video data and mapping the output frames of the 2D video data to the 3D spherical model specifically includes:
  • the browser subsystem calls the media control module to bind the 3D spherical model to the 3D display layer, combine it with the VR panoramic player object, and provide VR panoramic feature capabilities;
  • the VR panoramic player object connects with the streaming media subsystem through the VR panoramic video address URL parameter passed in by the IPTV service navigation to obtain 2D video data;
  • the browser subsystem calls the corresponding VR panoramic feature capability according to the key event, and displays the corresponding UI, which specifically includes:
  • the browser subsystem determines whether the perspective control enable state of the VR panoramic player object is enabled
  • the video playback status control capability interface is called through IPTV service navigation and the corresponding playback control UI is displayed; if it is enabled, it is further determined whether the perspective control attribute of the VR panoramic player object is IPTV service navigation control;
  • the corresponding perspective change function is called according to the key event through the IPTV service navigation, and the corresponding UI is displayed; if it is not an IPTV service navigation control, the browser subsystem avoids this by modifying the key processing logic in the kernel.
  • the key event is sent to the IPTV business navigation, and the browser subsystem calls the perspective change function itself, and sends the current state after the perspective change to the IPTV business navigation through a message callback, so that the IPTV business navigation changes according to the perspective sent by the browser subsystem.
  • the corresponding UI is displayed after the current status.
  • the IPTV terminal panoramic media processing system when started by calling the IPTV terminal's local panoramic video playback application and is dominated by the IPTV terminal's local panoramic video playback application, it specifically includes:
  • the VR panoramic video address URL parameter is added to identify the video as a panoramic video;
  • the browser subsystem parses ACTION and obtains the VR panoramic video address URL parameter;
  • the browser subsystem starts the IPTV terminal Local panoramic video playback application, and pass in the VR panoramic video address URL parameters;
  • the local panoramic video playback application calls the UI display module and obtains the corresponding UI display based on the obtained VR panoramic video address URL parameters;
  • the local panoramic video playback application obtains the 3D spherical model and synthesizes its 3D display layer with the 2D display layer displayed by the UI;
  • the key event is passed to the local panoramic video playback application for processing. If the perspective changes, the 2D display layer of the UI display and the 3D display layer of the 3D spherical model are reacquired and combined for display.
  • the local panoramic video playback application obtains the 3D spherical model and synthesizes its 3D display layer with the 2D display layer of the UI display, specifically including:
  • the local panoramic video playback application calls the media control module to bind the 3D spherical model to the 3D display layer and provide VR panoramic feature capabilities;
  • the 2D display layer of the UI display and the 3D display layer of the 3D spherical model are combined and displayed.
  • the IPTV business platform delivers the live broadcast list, a parameter is added to identify whether the live broadcast program is a panoramic video; when the live broadcast playback interface of the IPTV terminal is called, it is judged whether the live broadcast to be played is a panoramic video, and if so, the panoramic display and Panoramic playback, and capturing the direction keys of the remote control to change the perspective of the panoramic display;
  • the IPTV terminal when performing operations such as pausing playback, double-speed playback, positioning playback, or switching back to the live broadcast state, the IPTV terminal will send key events to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application will Call the corresponding broadcast control interface to implement the corresponding function; when the IPTV terminal receives the call request of the corresponding broadcast control interface, it must ensure that the video is displayed in panoramic view during the broadcast control operation; when the IPTV terminal's exit live broadcast interface is called, it exits the panoramic display .
  • the IPTV business platform delivers the on-demand program address, a parameter is added to identify whether the on-demand program is a panoramic video; when the on-demand playback interface of the IPTV terminal is called, it is judged whether the on-demand program to be played is a panoramic video, and if so, the panoramic display is started. , and capture the direction keys of the remote control to change the perspective of the panoramic display;
  • the IPTV terminal when performing operations such as pausing playback, double-speed playback, or positioning playback, the IPTV terminal sends key events to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application calls the corresponding playback control interface to implement the corresponding function; when the IPTV terminal receives a call request from the corresponding broadcast control interface, it must ensure that the video is displayed in panoramic view during the broadcast control operation. When the IPTV terminal's exit on-demand interface is called, it exits the panoramic display.
  • the IPTV terminal when the panoramic video is paused or when static images are browsed, the IPTV terminal sends key events to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application calls the corresponding
  • the broadcast control interface is used to implement the corresponding functions, so that users can rotate the paused video screen or static image at any angle, and watch the content of the video screen or static image at any angle in an all-round way.
  • this application also provides a VR panoramic video playback system based on IPTV services to implement the method described in the first aspect.
  • the system includes an IPTV service platform and an IPTV terminal; the IPTV service platform includes IPTV content. Operation, IPTV service navigation, and IPTV media delivery; the IPTV terminal includes an IPTV terminal panoramic media processing system, a display device, and an external device; the IPTV terminal panoramic media processing system includes a browser subsystem and a streaming media subsystem, wherein, The above-mentioned streaming media subsystem provides VR panoramic feature capabilities and interacts with IPTV media delivery through streaming media.
  • the browser subsystem is responsible for parsing the control instructions of IPTV service navigation for VR panoramic content playback, receiving key events, and controlling the playback of VR panoramic content for the streaming media subsystem according to the requirements of IPTV service navigation.
  • the startup method of the IPTV terminal panoramic media processing system includes:
  • IPTV business navigation Led by IPTV business navigation, through API calls: when the IPTV terminal receives a key event, it sends the key event to the IPTV business navigation, and the IPTV business navigation decides to perform the action of changing the viewing angle or changing the playback status; and/or:
  • the local panoramic video playback application By calling the local panoramic video playback application of the IPTV terminal, it is dominated by the local panoramic video playback application of the IPTV terminal: when the IPTV terminal receives a key event, the local panoramic video playback application decides to perform the action of changing the viewing angle or changing the playback state.
  • UI The display is also implemented by a local panoramic video playback application.
  • the streaming media subsystem includes a VR panoramic video control module.
  • the VR panoramic video control module creates a VR panoramic player object and provides a set of APIs containing VR panoramic feature capabilities.
  • the VR panoramic view of this set of APIs Characteristic capabilities include video playback state control capabilities and perspective changing functions.
  • the video playback state control capabilities include pausing playback, double-speed playback, positioning playback, and resuming live broadcast status.
  • the perspective changing functions include perspective direction changing capabilities and perspective distance changing capabilities. ability.
  • the IPTV terminal panoramic media processing system decides whether to start the IPTV panoramic playback application based on the extended JS interface (i.e. API) called by the IPTV business navigation.
  • the IPTV terminal panoramic media processing system will return the VR panoramic player object called by the IPTV terminal to the IPTV business navigation.
  • the IPTV business navigation calls the IPTV panoramic playback external API according to the current status. Realize panoramic video playback, angle of view rotation, change of angle of view size, and corresponding UI display.
  • JS extended VR panoramic player object is an object newly created by IPTV business navigation.
  • IPTV's VR panoramic business is implemented by calling the method of VR panoramic player object. It can support operators' unified control logic and unified display UI solution for VR panoramic services. Facilitates unified and rapid deployment of VR panoramic services.
  • the local panoramic video playback application calls the playback interface, calls the 3D model, renders the decoded video image to the 3D model, and displays the corresponding UI interface when necessary.
  • ACTION mode The ACTION startup of the local panoramic video playback application is delivered through the extended JS object, and the key processing is handed over to the local panoramic video playback application.
  • the two solutions 1 and 2 are compatible and coexist to meet the needs of operators in the initial stage and mature stage of building and developing VR panoramic video.
  • the VR panoramic video control module, video protocol and data processing module are in a shared state for the two startup methods (i.e. IPTV business navigation calls the API for panoramic playback and the local panoramic video playback application).
  • the browser subsystem avoids sending key events to the IPTV business navigation by transforming the key processing logic in the kernel. By customizing the button processing logic of the browser subsystem, it simplifies the logical transformation of the IPTV business navigation direction key processing. .
  • Figure 1 is an architectural block diagram of a VR panoramic video playback system based on IPTV services provided in Embodiment 1 of the present application;
  • FIG. 2 is a schematic diagram of the module flow of two different startup methods provided in Embodiment 1 of the present application;
  • Figure 3 is a business flow chart of two different startup methods provided in Embodiment 1 of the present application.
  • Figure 4 is a schematic diagram of two ways to start the IPTV terminal panoramic media processing system of a VR panoramic video playback method based on IPTV services provided in Embodiment 2 of the present application;
  • FIG. 5 is a detailed flow chart of the first method of starting an IPTV terminal panoramic media processing system provided in Embodiment 2 of the present application;
  • Figure 6 is an expanded flow chart of step 120 provided in Embodiment 2 of the present application.
  • Figure 7 is an expanded flow chart of step 130 provided in Embodiment 2 of the present application.
  • FIG. 8 is a detailed flow chart of the second method of starting an IPTV terminal panoramic media processing system provided in Embodiment 2 of the present application;
  • Figure 9 is an expanded flow chart of step 230 provided in Embodiment 2 of the present application.
  • This application is an architecture of a specific functional system. Therefore, in the specific embodiments, the functional logical relationship of each structural module is mainly explained, and the specific software and hardware implementation methods are not limited.
  • IPTV panoramic multimedia service refers to providing users with 360-degree panoramic video, pictures, audio, text and other multimedia content services through the use of panoramic playback technology and IPTV terminals. Through human-computer interaction, users can obtain visual perception, auditory perception and immersive experience in the virtual environment.
  • IPTV panoramic content mainly includes panoramic videos and panoramic pictures.
  • IPTV panoramic playback refers to playing panoramic videos and panoramic pictures.
  • Panoramic video uses professional panoramic cameras to collect video content. Later, it is spliced into a seamless "ball" through panoramic video stitching software, and finally a spherical panoramic video with a 360-degree panoramic perspective is output.
  • a panoramic picture is a group or multiple groups of photos taken by the camera ring 360 degrees into a panoramic image.
  • Panoramic playback technology dynamically restores the real environment, making the audience feel that they are in the live environment. Through interactive operations, 360-degree panoramic observation can be performed left, right, up, or down, giving the audience a virtual experience that spans space.
  • Embodiment 1 of the present application provides a VR panoramic video playback system based on IPTV services.
  • the architectural block diagram of the system is shown in Figure 1, including an IPTV service platform and an IPTV terminal; the IPTV service platform includes IPTV Content operation, IPTV service navigation, and IPTV media delivery; the IPTV terminal includes an IPTV terminal panoramic media processing system, display equipment, and external equipment.
  • the IPTV terminal panoramic media processing system interacts with IPTV business navigation and IPTV media delivery. External devices can interact with the IPTV terminal panoramic media processing system via buttons.
  • the IPTV terminal panoramic media processing system displays the processed panoramic video output on the display device. superior.
  • IPTV media delivery is an existing system and has not been changed in this embodiment.
  • This embodiment obtains VR panoramic video from IPTV media delivery.
  • IPTV service navigation is an existing system that supports JS extension.
  • This embodiment requires adding JS to the IPTV service navigation to extend the VR panoramic player object called by this application.
  • the entire VR panoramic player object provides a set of APIs containing VR panoramic feature capabilities.
  • This set of APIs has one or more functions such as pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, and changing the perspective.
  • the viewing angle changing function also includes one or more of: the ability to change the viewing angle direction; the ability to change the viewing angle far and near, and other functions.
  • IPTV service navigation supports EPG UI display logic, which is an existing technology.
  • EPG UI display logic which is an existing technology.
  • Existing IPTV service navigation cannot distinguish the UI display logic of an IPTV terminal in panoramic mode and the UI display logic of non-panoramic mode. Therefore, it is necessary to support the EPG UI display logic of IPTV service navigation in these two modes through the IPTV terminal panoramic media processing system of the embodiment of this application.
  • the IPTV terminal panoramic media processing system of this embodiment is the key to this application.
  • the IPTV terminal panoramic media processing system mainly includes a browser subsystem and a streaming media subsystem, wherein the streaming media subsystem
  • the system provides VR panoramic feature capabilities and has the ability to interact with IPTV media delivery to obtain video content through streaming media protocols;
  • the browser subsystem is responsible for parsing the control statements of IPTV business navigation for panoramic videos, and is responsible for receiving key events, and
  • the streaming media subsystem performs VR playback control and responds to media playback events; among them, key events refer to events sent by the user using the remote control, including up, down, left, right and other key events; while media Playback events include playback state events: pause playback, double-speed playback, positioning playback, switch back to live broadcast state, perspective direction change, perspective distance change, etc.
  • the startup method of the IPTV terminal panoramic media processing system includes:
  • IPTV business navigation Led by IPTV business navigation, through API calls: when the IPTV terminal receives a key event, it sends the key event to the IPTV business navigation, and the IPTV business navigation decides to perform the action of changing the viewing angle or changing the playback status; and/or:
  • the local panoramic video playback application By calling the local panoramic video playback application of the IPTV terminal, it is dominated by the local panoramic video playback application of the IPTV terminal: when the IPTV terminal receives a key event, the local panoramic video playback application decides to perform the action of changing the viewing angle or changing the playback state.
  • UI The display is also broadcast by local panoramic video Put application implementation.
  • the IPTV terminal panoramic media processing system also includes hardware drivers and operating system subsystems, graphics rendering subsystems, and presentation subsystems.
  • the presentation subsystem includes WEB Page presentation window module, VR video presentation window module, synthesis module.
  • the hardware driver and operating system subsystem are existing technologies.
  • the graphics rendering subsystem includes a 3D modeling module, a 3D model parsing module and a texture mapping module.
  • the 3D modeling module is used for 3D modeling
  • the 3D model parsing module is used for 3D modeling.
  • the texture mapping module is used to perform mapping processing on 3D models.
  • the browser subsystem's ability to control the graphics rendering subsystem is an innovative point.
  • the WEB page presentation window module of the presentation subsystem is responsible for presenting the UI corresponding to the 2D EPG page and IPTV service navigation
  • the VR panoramic video presentation window module is responsible for displaying the 3D spherical model of the VR panoramic video rendering.
  • the synthesis module is responsible for synthesizing and displaying the presentation content of the WEB page presentation window module and the VR panoramic video presentation window module.
  • the browser subsystem includes a judgment module, which is used to judge whether the viewing angle control enabling state of the VR panoramic video player object is enabled; if it is not enabled, the video playback state control capability is called through IPTV service navigation interface, and displays the corresponding broadcast control UI; if it is enabled, it will further determine whether the perspective control attribute of the VR panoramic video player object is IPTV service navigation control; if it is IPTV service navigation control, the IPTV service navigation will be based on the key event (key press The event is a button or direction key triggered by the user) to call the corresponding perspective change function and display the corresponding UI; if it is not for IPTV service navigation control, the browser subsystem avoids sending key events by transforming the key processing logic in the kernel.
  • a judgment module which is used to judge whether the viewing angle control enabling state of the VR panoramic video player object is enabled; if it is not enabled, the video playback state control capability is called through IPTV service navigation interface, and displays the corresponding broadcast control UI; if it is enabled, it will
  • the browser subsystem calls the perspective change function itself, and sends the current state after the perspective change to the IPTV business navigation through a message callback, so that the IPTV business navigation can be based on the current state after the perspective change sent by the browser subsystem. Display the corresponding UI.
  • the entity of the VR panoramic player object in this embodiment is located in the streaming media subsystem. This object can be called by the local panoramic video playback application or the browser subsystem.
  • the streaming media subsystem includes the picture decoding module and video decoding module in Figure 2, as well as the VR panoramic video control module and video transmission protocol and data acquisition capabilities in Figure 3.
  • Video transmission protocols and data acquisition capabilities are existing technologies, and their function is to obtain video streams from IPTV media delivery through streaming media protocols such as IGMP ⁇ RTSP ⁇ HLS, etc.
  • the VR panoramic video control module is created by this application.
  • the innovation lies in creating a VR panoramic player object and providing a set of APIs containing VR panoramic feature capabilities.
  • the VR panoramic feature capabilities of this API include video playback status control capabilities and A viewing angle changing function, wherein the video playback state control capabilities include pausing playback, doubled speed playback, positioning playback, and switching back to live broadcast state; the viewing angle changing function includes a viewing angle direction changing capability and a viewing angle distance changing capability.
  • this set of APIs is provided by the browser subsystem for IPTV service navigation.
  • the capabilities of the APIs include the streaming media subsystem (the entity of the VR panoramic player object belongs to the streaming media subsystem). media subsystem).
  • the browser subsystem calls the VR panoramic player object.
  • the entity of the VR panoramic player object is the streaming media subsystem and the graph. Combining some capabilities of the shape rendering subsystem.
  • IPTV service navigation calls the API of the VR panoramic player object through the browser subsystem.
  • This application also created the function of controlling the viewing angle change through the browser subsystem, including providing JS objects (VR panoramic player objects) to realize interaction with IPTV business navigation.
  • the buttons for user operation are processed by the browser subsystem and IPTV service navigation, and the model position and angle control instructions of the IPTV service navigation are applied to the graphics rendering module.
  • this application also creates VR playback control and media playback event interaction functions between the browser subsystem and the streaming media subsystem.
  • the VR playback control interactive function specifically includes: sending the control of user key operations and IPTV service navigation to the streaming media subsystem through the browser subsystem to realize pause playback, double-speed playback, positioning playback, and switch back to the VR panoramic player. Live status capability.
  • the media playback event interaction function specifically includes: after the streaming media subsystem responds to the VR playback control command, it notifies the browser subsystem of the playback status events including paused playback, doubled speed playback, positioning playback, switching back to live broadcast status, etc. .
  • Figure 2 also includes a media control module, a UI display module, and a button processing module.
  • the main function is to respond to video playback control key operations and process the video, such as starting playback, exiting playback, pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, etc.
  • UI display module used to display user interface related to panoramic playback. Including mode display, such as full screen mode, menu mode, pause mode.
  • Key processing module Key events from external devices (mainly remote controls) are processed. Key processing includes operations on the media control module, such as starting playback, exiting playback, pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, etc. It also includes operations on UI display, such as displaying progress bars, displaying playback status, etc. It also includes operations on the browser subsystem, such as up, down, left, right, etc. It also includes operations on the 3D model analysis module, such as changes in the direction of the viewing angle and changes in the distance of the viewing angle.
  • the media control module such as starting playback, exiting playback, pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, etc. It also includes operations on UI display, such as displaying progress bars, displaying playback status, etc. It also includes operations on the browser subsystem, such as up, down, left, right, etc. It also includes operations on the 3D model analysis module, such as changes in the direction of the viewing angle and changes in the distance of
  • the solid and dotted arrows represent the IPTV terminal panoramic media processing system created by this application.
  • JavaScriptAPI call when the IPTV terminal receives user keys from the key processing module, the browser subsystem receives the keys and sends the keys (mainly direction keys) to the IPTV business navigation, which decides to change the viewing angle or change the playback state. Actions. After parsing the key processing logic of the IPTV service navigation page, the browser subsystem calls the media control module and 3D modeling module capabilities.
  • the key processing module includes the media control keys. Notifications such as starting playback, exiting playback, pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, etc. are handled by the media control module.
  • the key processing module will display progress bars, display playback status, mode display and other operations on the UI display and notify the UI display module for processing.
  • the key processing module notifies the 3D model analysis module of changes in the direction of the viewing angle and changes in the distance of the viewing angle.
  • the local panoramic video playback application decides to perform the action of changing the viewing angle or changing the playback state.
  • the UI display is also implemented by the local panoramic video playback application.
  • FIG. 3 it is a business flow chart of two different startup methods in this application.
  • the solid line frame on the right is public capabilities, which are implemented by the streaming media subsystem, including providing VR panoramic video control module (jar), providing VR panoramic feature capabilities; providing video transmission protocol and data acquisition function (ctc_so), and IPTV streaming media Server docking, while also binding the rendering layer to the VR panoramic video control module; providing a synthesis module for synthesis display processing.
  • the lower part of the business flow (the dotted box part) is dominated by IPTV business navigation and is implemented through JavaScript API calls.
  • the business navigation system JS calls the VR panoramic player object, and the browser subsystem parses and analyzes the VR panoramic player object.
  • the VR panoramic player object calls the video transmission protocol in the streaming media subsystem to obtain data from the IPTV media delivery, and binds it to the VR panoramic feature rendering layer of the 3D model parsing module to output the VR panoramic video.
  • the business navigation system provides key processing logic and UI display logic, browser subsystem analysis, and key processing; the above processing is passed to the browser subsystem, and the browser subsystem interacts with the IPTV business navigation to obtain the UI, so the UI all comes from IPTV Business Navigation. Combine the UI derived from IPTV service navigation and VR panoramic video to display the final image.
  • the upper part of the business flow (the part without dotted lines) is dominated by calling the local panoramic video playback application of the IPTV terminal.
  • the business navigation system JS calls ACTION or other application calls.
  • ACTION carries the panoramic video URL and passes it to the streaming media subsystem.
  • the streaming media subsystem obtains the video from the IPTV media delivery through the video transmission protocol and binds it to the VR panoramic feature rendering layer of the 3D model parsing module, through the local panoramic video playback application. Comes with UI display combination to display the final image.
  • IPTV panoramic services include the following typical business scenarios:
  • IPTV live program playback When playing IPTV live programs, if the video content is panoramic video, it needs to support the panoramic playback function, and have functions such as pausing playback, double-speed playback, positioning playback, switching back to live broadcast status, and changing perspective.
  • IPTV on-demand program playback When playing IPTV on-demand programs, if the video content is panoramic video, It needs to support the panoramic playback function, and have the functions of pausing playback, double-speed playback, positioning playback, switching back to live broadcast state, and changing perspective.
  • Static image browsing When browsing static images or pausing panoramic videos, you can rotate the static images or paused videos 360 degrees to watch them from any angle.
  • IPTV terminal panoramic media processing system There are two ways. First, it is led by IPTV business navigation and called through JavaScript API. When receiving user keys, the IPTV terminal sends the keys (mainly direction keys) to the IPTV service navigation. The IPTV service navigation determines whether to perform the action of changing the viewing angle or changing the playback status. Second, by calling the local panoramic video playback application of the IPTV terminal. It is dominated by the local panoramic video playback application of the IPTV terminal. When the IPTV terminal receives user buttons, the local panoramic video playback application decides to perform the action of changing the viewing angle or changing the playback state. The UI display is also implemented by the local panoramic video playback application.
  • IPTV live broadcast When the IPTV business platform issues a live broadcast list, a parameter is added to identify whether the live program is a panoramic video.
  • the terminal's live broadcast interface (joinchannel) is called, it determines whether the live broadcast to be played is a panoramic video. If so, the panoramic display is started and the direction keys of the remote control are captured to switch between different viewing angles.
  • the IPTV terminal When the user operates to pause playback, double-speed playback, position playback, or switch back to the live broadcast state, the IPTV terminal will send the key value to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application will Call the corresponding broadcast control interface to implement the function.
  • the terminal receives the corresponding broadcast control interface and needs to ensure that the video is displayed in panorama during the broadcast control operation.
  • the IPTV terminal's live broadcast interface (leavechannel) is called, exit the panoramic display.
  • IPTV on-demand live broadcast When the IPTV business platform issues the on-demand program address, a parameter is added to identify whether the on-demand program is a panoramic video.
  • the terminal's on-demand playback interface playfromstart
  • the IPTV terminal sends the key value to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application calls the corresponding playback function.
  • the control interface implements the function.
  • the terminal receives the corresponding broadcast control interface and needs to ensure that the video is displayed in panorama during the broadcast control operation.
  • stop exit the panoramic display.
  • IPTV terminal panoramic media processing system It has the function of zooming in and out of the viewing angle, the function of converting the viewing angle (including the four directions of up, down, left and right), the reporting function of the viewing angle change status and the reporting function of the broadcast control status. It has two startup methods. First, it is started by JavaScript API call. The IPTV terminal panoramic media processing system provides JS extension objects for IPTV business navigation. IPTV service navigation can be started by calling JS extension object. Second, the IPTV terminal panoramic media processing system supports ACTION mode startup. IPTV service navigation can be started by extending the JS object and issuing ACTION. It can also be started by sending ACTION from other applications.
  • the IPTV panoramic playback application decides whether to start the IPTV panoramic playback application based on the extended JS interface called by the IPTV business navigation.
  • the local panoramic playback application calls the playback interface, calls the 3D model, and renders the decoded video image onto the 3D model. And display the corresponding UI interface when necessary.
  • the IPTV business navigation chooses to call the API of IPTV panoramic playback
  • the IPTV terminal panoramic media processing system will return the VR panoramic player object called by the IPTV terminal to the IPTV business navigation.
  • the IPTV business navigation calls the external API of IPTV panoramic playback according to the current status. Realize panoramic video playback, angle of view rotation, change of angle of view size, and corresponding UI display.
  • the IPTV panoramic playback application in the embodiment of the present application determines whether to start the IPTV panoramic playback application based on the extended JS interface (that is, API) called by the IPTV service navigation.
  • the IPTV business navigation chooses to call the IPTV panoramic playback API
  • the IPTV terminal panoramic media processing system will return the VR panoramic player object called by the IPTV terminal to the IPTV business navigation.
  • the IPTV business navigation calls the IPTV panoramic playback external API according to the current status. Realize panoramic video playback, angle of view rotation, change of angle of view size, and corresponding UI display.
  • JS extended VR panoramic player object is an object newly created by IPTV business navigation.
  • IPTV's VR panoramic business is implemented by calling the method of VR panoramic player object. It can support operators' unified control logic and unified display UI solution for VR panoramic services. Facilitates unified and rapid deployment of VR panoramic services.
  • the local panoramic video playback application calls the playback interface, calls the 3D model, renders the decoded video image to the 3D model, and displays the corresponding UI interface when necessary.
  • ACTION mode The ACTION startup of the local panoramic video playback application is delivered through the extended JS object, and the key processing is handed over to the local panoramic video playback application.
  • the VR panoramic video control module, video protocol and data processing module of the embodiment of this application are shared.
  • the embodiment of the present application also customizes and transforms the key processing logic of the browser subsystem to simplify the logical transformation of IPTV service navigation processing direction keys.
  • Embodiment 2 of the present application provides a VR panoramic video playback method based on IPTV services.
  • the method mainly includes two ways of starting the IPTV terminal panoramic media processing system:
  • Type 1 Led by IPTV service navigation, through API calls: when the IPTV terminal receives a key event, it sends the key event to the IPTV service navigation, and the IPTV service navigation decides to perform the action of changing the viewing angle or changing the playback state; and/or :
  • Type 2 By calling the local panoramic video playback application of the IPTV terminal, the local panoramic video playback application of the IPTV terminal is dominant: when the IPTV terminal receives a key event, the local panoramic video playback application decides to change the viewing angle or change the playback state.
  • the action and UI display are also implemented by the local panoramic video playback application.
  • Step 110 The browser subsystem parses and initializes the VR panoramic player object. including initial The API of the VR panoramic player object has VR panoramic feature capabilities; the VR panoramic feature capabilities of the API include video playback state control capabilities and perspective changing functions, wherein the video playback state control capabilities include pause playback, double-speed playback , positioning playback, switching back to live broadcast state, and other functions; the viewing angle changing function includes one or more of the viewing angle direction changing capabilities, viewing angle distance changing capabilities, and other functions.
  • Step 120 Obtain the 3D spherical model and 2D video data and map the output frames of the 2D video data to the 3D spherical model.
  • Step 130 When a key event is triggered, the browser subsystem calls the corresponding VR panoramic feature capability according to the key event and displays the corresponding UI.
  • Step 140 Combine and display the 2D display layer of the UI display and the 3D display layer of the 3D spherical model.
  • step 120 can also be extended to the following steps:
  • Step 121 The browser subsystem calls the media control module to bind the 3D spherical model to the 3D display layer, combine it with the VR panoramic player object, and provide VR panoramic feature capabilities.
  • the media control module also needs to receive the keys passed to the media control module by the key processing module.
  • Button processing capabilities include: video playback status control capabilities include pausing playback, double-speed playback, positioning playback, and switching back to live broadcast status; viewing angle changing functions include viewing angle direction changing capabilities and viewing angle distance changing capabilities; the media control module receives button information and then controls the VR Module called by panorama player object capabilities.
  • Step 122 The VR panoramic player object connects with the streaming media subsystem through the VR panoramic video address URL parameter passed in by the IPTV service navigation to obtain 2D video data.
  • Step 123 Map the output frames of the 2D video data decoded by the VR panoramic player object to the 3D spherical model.
  • step 130 can also be extended to the following steps:
  • Step 131 When a key event is triggered, the browser subsystem determines whether the perspective control enable state of the VR panoramic player object is enabled.
  • Step 132 If it is not enabled, call the video playback status control capability interface through IPTV service navigation and display the corresponding playback control UI; if it is enabled, further determine whether the perspective control attribute of the VR panoramic player object is IPTV service navigation control.
  • Step 133 If it is an IPTV service navigation control, the corresponding perspective change function is called according to the key event through the IPTV service navigation, and the corresponding UI is displayed; if it is not an IPTV service navigation control, the browser subsystem processes the keys by modifying the kernel Logic to avoid sending key events to the IPTV business navigation.
  • the browser subsystem calls the perspective change function by itself, and sends the current state after the perspective change to the IPTV business navigation through a message callback, so that the IPTV business navigation can be sent according to the browser subsystem.
  • the corresponding UI is displayed in the current state after the perspective is changed.
  • Step 210 Add the VR panoramic video address URL parameter to identify this video as a panoramic video; the browser subsystem parses ACTION and obtains the VR panoramic video address URL parameter; the browser subsystem starts Start the local panoramic video playback application of the IPTV terminal and pass in the VR panoramic video address URL parameters.
  • Step 220 The local panoramic video playback application calls the UI display module to obtain the corresponding UI display according to the obtained VR panoramic video address URL parameter.
  • Step 230 The local panoramic video playback application obtains the 3D spherical model and synthesizes its 3D display layer with the 2D display layer displayed by the UI for display.
  • Step 240 Pass the key event to the local panoramic video playback application for processing. If the perspective changes, reacquire the 2D display layer of the UI display and the 3D display layer of the 3D spherical model and synthesize them for display.
  • step 230 can also be extended to the following steps:
  • Step 231 The local panoramic video playback application calls the media control module to bind the 3D spherical model to the 3D display layer and provide VR panoramic feature capabilities.
  • Step 232 Call the 2D player and connect the VR panoramic video address URL parameter passed in through the IPTV service navigation to the streaming media subsystem.
  • Step 233 After mapping the output frame of the 2D player to the 3D spherical model, combine the 2D display layer of the UI display with the 3D display layer of the 3D spherical model for display.
  • a parameter is added to identify whether the live broadcast program is a panoramic video; when the live broadcast playback interface of the IPTV terminal is called, it determines the live broadcast to be broadcast Whether it is a panoramic video, if so, start the panoramic display, and capture the remote control direction keys to switch between different viewing angles; during the panoramic playback process, when performing operations such as pausing playback, double-speed playback, positioning playback, or switching back to the live broadcast state, the IPTV terminal
  • the key event is sent to the IPTV business navigation or local panoramic video playback application, and the IPTV business navigation or local panoramic video playback application calls the corresponding broadcast control interface to implement the corresponding function; when the IPTV terminal receives the call request of the corresponding broadcast control interface, it needs to Ensure that the video is in panoramic display during the broadcast control operation.
  • the IPTV terminal's live broadcast interface is called, the panoramic display will be exited.
  • the IPTV business platform delivers the on-demand program address, a parameter is added to identify whether the on-demand program is a panoramic video; when the on-demand playback interface of the IPTV terminal is called, it is judged whether the on-demand program to be played is a panoramic video, and if so, the panoramic display is started, and Capture the direction keys of the remote control to switch between different viewing angles; during the panoramic playback process, when performing operations such as pausing playback, double-speed playback, positioning playback, and switching back to live broadcast status, the IPTV terminal will send key events to IPTV business navigation or local panoramic video playback Application, the IPTV business navigation or local panoramic video playback application calls the corresponding broadcast control interface to implement the corresponding function; when the IPTV terminal receives the call request of the corresponding broadcast control interface, it must ensure that the video is displayed in panorama during the broadcast control operation. When the IPTV When the terminal's exit on-demand interface is called, exit the panoramic display.
  • this embodiment also supports the static image browsing function: when the panoramic video is paused or the static image is browsed, the IPTV terminal sends the key event to the IPTV service navigation or local panoramic video playback application, which is called by the IPTV service navigation or local panoramic video playback application.
  • the corresponding broadcast control interface is used to realize the corresponding functions, so that the user can rotate the paused video screen or static image at any angle, and watch the content of the video screen or static image at any angle in an all-round way.
  • this embodiment has at least the following three innovations compared with the existing technology:
  • This set of API has the functions of pausing playback, double-speed playback, positioning playback, switching back to live broadcast state, and changing perspective.
  • Perspective changing features also include: The ability to change the direction of the viewing angle; the ability to change the distance of the viewing angle.
  • This set of APIs is provided to IPTV business navigation calls in the form of JS extension objects (VR panoramic player objects).
  • VR panoramic feature capabilities are provided to IPTV business navigation calls through the properties of VR panoramic player objects.
  • this API is provided as a JS extension object for IPTV business navigation calls, which enables the IPTV terminal to support the panoramic playback function, and has the functions of pausing playback, double-speed playback, positioning playback, and switching back Live broadcast status, perspective change and other functions.
  • this API is provided as a JS extension object for IPTV business navigation calls, which enables the IPTV terminal to support the panoramic playback function, and has the functions of pause playback, double-speed playback, positioning playback, Viewing angle changing function.
  • the IPTV terminal when it receives a request to play a VR panoramic video, it calls the 3D spherical model through OPENGL technology, binds the 3D spherical model to the 3D display layer by calling GLSurfaceView, and calls the 2D player to convert the decoded panoramic video frames As a texture, map it to the 3D spherical model and finally display it to the 3D display layer.
  • the IPTV business navigation can start the VR panoramic playback application by extending the JS object and issuing ACTION, and carry the VR panoramic video playback address URL parameter.
  • the IPTV terminal will start the local VR panoramic playback application, which will be processed by the local panoramic playback application.
  • the user presses a key to display the required display UI.
  • the IPTV navigation system starts VR panoramic playback through the VR panoramic player object
  • the IPTV terminal calls the panoramic playback system. Since the IPTV service navigation determines whether the user's direction key changes the perspective by setting the perspective control enable attribute of the VR panoramic player.
  • the viewing angle control when the viewing angle control is enabled, it is decided by the IPTV service navigation by setting the viewing angle control attribute of the VR panoramic player object, and it is processed by the IPTV terminal or the IPTV business navigation.
  • the user adjusts the viewing angle direction through the arrow keys and Requests for far and near viewing angles; the above-mentioned UIs for state changes through the VR panoramic player are all displayed by the IPTV service navigation.
  • the IPTV panoramic playback application in the embodiment of the present application determines whether to start the IPTV panoramic playback application based on the extended JS interface (that is, API) called by the IPTV service navigation.
  • the IPTV business navigation chooses to call the IPTV panoramic playback API
  • the IPTV terminal panoramic media processing system will return the VR panoramic player object called by the IPTV terminal to the IPTV business navigation.
  • the IPTV business navigation calls the IPTV panoramic playback external API according to the current status. Realize panoramic video playback, angle of view rotation, change of angle of view size, and corresponding UI display.
  • JS extended VR panoramic player object is an object newly created by IPTV business navigation.
  • IPTV's VR panoramic business is implemented by calling the method of VR panoramic player object. It can support operators' unified control logic and unified display UI solution for VR panoramic services. Facilitates unified and rapid deployment of VR panoramic services.
  • the local panoramic video playback application calls the playback interface, calls the 3D model, renders the decoded video image to the 3D model, and displays the corresponding UI interface when necessary.
  • ACTION mode The ACTION startup of the local panoramic video playback application is delivered through the extended JS object, and the key processing is handed over to the local panoramic video playback application.
  • the VR panoramic video control module, video protocol and data processing module of the embodiment of this application are shared.
  • the embodiment of the present application also customizes and transforms the key processing logic of the browser subsystem to simplify the logical transformation of IPTV service navigation processing direction keys.
  • the program can be stored in a computer-readable storage medium.
  • the storage medium can include: Read Only Memory (ROM), Random Access Memory (RAM), magnetic disk or optical disk, etc.

Abstract

La demande concerne un procédé et un système de lecture vidéo panoramique de RV basée sur un service IPTV. L'invention comprend une plate-forme de service IPTV et un terminal IPTV; la plate-forme de service IPTV comprend des opérations de contenu IPTV, une navigation de service IPTV et une distribution multimédia IPTV; le terminal IPTV comprend un système de traitement multimédia panoramique de terminal IPTV, un dispositif d'affichage et un dispositif externe; le système de traitement multimédia panoramique de terminal IPTV comprend un sous-système de navigateur, un sous-système multimédia de diffusion en continu, un sous-système de rendu graphique, un module de fenêtre de présentation de page Web, un module de fenêtre de présentation vidéo de RV et un module de synthèse. Une application IPTV décide, en fonction d'une interface JS étendue appelée par la navigation de service IPTV, s'il faut démarrer une application de lecture panoramique locale du terminal IPTV. Lorsque l'application de lecture panoramique locale du terminal IPTV est démarrée, l'application locale appelle une interface de lecture, crée un modèle 3D, restitue une image vidéo décodée à un modèle 3D et, si nécessaire, affiche une interface IU correspondante. L'invention combine une plate-forme de service IPTV et une capacité de terminal IPTV pour obtenir une capacité de service multimédia panoramique VR prise en charge par IPTV.
PCT/CN2023/125602 2022-08-22 2023-10-20 Procédé et système de lecture vidéo panoramique de rv basée sur un service iptv WO2024041672A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211008514.2 2022-08-22
CN202211008514.2A CN115379277B (zh) 2022-08-22 2022-08-22 一种基于iptv业务的vr全景视频播放方法和系统

Publications (1)

Publication Number Publication Date
WO2024041672A1 true WO2024041672A1 (fr) 2024-02-29

Family

ID=84067871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/125602 WO2024041672A1 (fr) 2022-08-22 2023-10-20 Procédé et système de lecture vidéo panoramique de rv basée sur un service iptv

Country Status (2)

Country Link
CN (2) CN116634207A (fr)
WO (1) WO2024041672A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116634207A (zh) * 2022-08-22 2023-08-22 烽火通信科技股份有限公司 一种基于iptv业务的vr全景视频播放方法和系统

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101115187A (zh) * 2007-08-24 2008-01-30 中兴通讯股份有限公司 一种交互式网络电视系统的点播方法
CN101115188A (zh) * 2007-08-24 2008-01-30 中兴通讯股份有限公司 一种交互式网络电视系统的直播方法
CN101335865A (zh) * 2008-07-10 2008-12-31 中国移动通信集团山西有限公司 一种可视电话上的业务实现方法及系统
CN101478669A (zh) * 2008-08-29 2009-07-08 百视通网络电视技术发展有限责任公司 一种iptv系统上基于浏览器的媒体播放控制方法
CN103763614A (zh) * 2014-01-28 2014-04-30 苏州橡山网络科技有限公司 智能云电视iptv终端系统及其实现方法
KR101586168B1 (ko) * 2015-03-17 2016-01-20 (주)파인원커뮤니케이션즈 웹 티브이 서비스 플랫폼에서의 프레임워크 시스템 및 그 운용방법
CN108289231A (zh) * 2017-06-20 2018-07-17 深圳市佳创视讯技术股份有限公司 一种融合的全景播放器
CN108307226A (zh) * 2016-09-21 2018-07-20 中兴通讯股份有限公司 基于网络电视的vr视频或游戏播放系统、机顶盒
CN111432223A (zh) * 2020-04-21 2020-07-17 烽火通信科技股份有限公司 一种实现多视角视频传输和播放的方法、终端及系统
CN114374869A (zh) * 2022-01-05 2022-04-19 烽火通信科技股份有限公司 一种全景视频播放方法、装置及计算机存储介质
CN115379277A (zh) * 2022-08-22 2022-11-22 武汉烽火技术服务有限公司 一种基于iptv业务的vr全景视频播放方法和系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101661210B1 (ko) * 2008-07-24 2016-09-29 삼성전자주식회사 Ｉｐｔｖ 통신 서비스 수행 방법 및 장치
CN101365124B (zh) * 2008-10-09 2011-11-30 中国电信股份有限公司 控制网络电视视频播放的方法、系统
CN102111672A (zh) * 2009-12-29 2011-06-29 康佳集团股份有限公司 一种在数字电视上浏览全景图像的方法、系统及终端
CN105898460A (zh) * 2015-12-10 2016-08-24 乐视网信息技术（北京）股份有限公司 调整智能电视的全景视频播放视角的方法和装置
CN106341600A (zh) * 2016-09-23 2017-01-18 乐视控股（北京）有限公司 一种全景视频播放处理方法及装置
CN106658148B (zh) * 2017-01-16 2020-04-10 深圳创维－Rgb电子有限公司 Vr播放方法、vr播放装置及vr播放系统
CN107659851B (zh) * 2017-03-28 2019-09-17 腾讯科技（北京）有限公司 全景图像的展示控制方法及装置
CN110609964B (zh) * 2019-08-05 2022-03-11 烽火通信科技股份有限公司 一种iptv浏览器页面实现方法及iptv浏览器
CN112954422A (zh) * 2019-12-11 2021-06-11 天翼智慧家庭科技有限公司 一种用于在vr设备上实现iptv遥控器的方法
CN112203128A (zh) * 2020-10-12 2021-01-08 广州欢网科技有限责任公司 一种智能电视终端vr全景视频的播放方法、装置及系统

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101115187A (zh) * 2007-08-24 2008-01-30 中兴通讯股份有限公司 一种交互式网络电视系统的点播方法
CN101115188A (zh) * 2007-08-24 2008-01-30 中兴通讯股份有限公司 一种交互式网络电视系统的直播方法
CN101335865A (zh) * 2008-07-10 2008-12-31 中国移动通信集团山西有限公司 一种可视电话上的业务实现方法及系统
CN101478669A (zh) * 2008-08-29 2009-07-08 百视通网络电视技术发展有限责任公司 一种iptv系统上基于浏览器的媒体播放控制方法
CN103763614A (zh) * 2014-01-28 2014-04-30 苏州橡山网络科技有限公司 智能云电视iptv终端系统及其实现方法
KR101586168B1 (ko) * 2015-03-17 2016-01-20 (주)파인원커뮤니케이션즈 웹 티브이 서비스 플랫폼에서의 프레임워크 시스템 및 그 운용방법
CN108307226A (zh) * 2016-09-21 2018-07-20 中兴通讯股份有限公司 基于网络电视的vr视频或游戏播放系统、机顶盒
CN108289231A (zh) * 2017-06-20 2018-07-17 深圳市佳创视讯技术股份有限公司 一种融合的全景播放器
CN111432223A (zh) * 2020-04-21 2020-07-17 烽火通信科技股份有限公司 一种实现多视角视频传输和播放的方法、终端及系统
CN114374869A (zh) * 2022-01-05 2022-04-19 烽火通信科技股份有限公司 一种全景视频播放方法、装置及计算机存储介质
CN115379277A (zh) * 2022-08-22 2022-11-22 武汉烽火技术服务有限公司 一种基于iptv业务的vr全景视频播放方法和系统
CN116634207A (zh) * 2022-08-22 2023-08-22 烽火通信科技股份有限公司 一种基于iptv业务的vr全景视频播放方法和系统

Also Published As

Publication number Publication date
CN116634207A (zh) 2023-08-22
CN115379277A (zh) 2022-11-22
CN115379277B (zh) 2023-07-25

Similar Documents

Publication Publication Date Title
CN111741372B (zh) 一种视频通话的投屏方法、显示设备及终端设备
US8736658B2 (en) Image-based video conference control method, terminal, and system
WO2017181604A1 (fr) Procédé et dispositif de prévisualisation de vidéo et dispositif électronique
US20210314659A1 (en) Method For Switching Video Call Interface On Smart Television, And Smart Television
WO2024041672A1 (fr) Procédé et système de lecture vidéo panoramique de rv basée sur un service iptv
WO2020248714A1 (fr) Procédé et dispositif de transmission de données
CN113064684B (zh) 一种虚拟现实设备及vr场景截屏方法
WO2020248680A1 (fr) Procédé et appareil de traitement de données vidéo et dispositif d'affichage
CN113794917A (zh) 一种显示设备和显示控制方法
CN113014939A (zh) 显示设备及播放方法
CN114302204B (zh) 一种分屏播放方法及显示设备
CN113038210B (zh) 一种视频文件的双屏同步播放方法及显示设备
WO2021169168A1 (fr) Procédé de prévisualisation de fichier vidéo et dispositif d'affichage
CN116980554A (zh) 一种显示设备及视频会议界面显示方法
CN113453052B (zh) 音画同步方法及显示设备
CN113360066B (zh) 一种显示设备及文件展示方法
WO2021180223A1 (fr) Procédé et dispositif d'affichage
CN114302203A (zh) 图像显示方法及显示设备
CN114286077A (zh) 一种虚拟现实设备及vr场景图像显示方法
WO2020147507A1 (fr) Dispositif d'affichage et procédé d'affichage
WO2023138222A1 (fr) Dispositif d'affichage et procédé de diffusion en direct
CN113784222B (zh) 应用和数字电视节目的交互方法及显示设备
CN112235562B (zh) 一种3d显示终端、控制器及图像处理方法
WO2023240973A1 (fr) Dispositif d'affichage et procédé de projection d'écran
CN116962729A (zh) 一种双摄像头直播方法及显示设备、服务器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23856757

Country of ref document: EP

Kind code of ref document: A1