Display apparatus and method

Abstract

Disclosed are a display apparatus and a method. The method includes: after enabling a timed media playback feature, in response to a first control command, displaying a file list page; in response to a first command indicating a selection of the option for timing setting, updating the file list page; after the user selecting at least one target item from the first media file, the media folder and / or the second media file based on at least one first sequence number, in response to a second command, storing a first mapping relationship between the at least one first sequence number and at least one file path for the at least one target item, and displaying a time-setting page; in response to detecting that a system time reaches the first time, according to the first sequence number, playing the at least one target item seamlessly based on the first mapping relationship.

Description

DISPLAY APPARATUS AND METHOD Cross-Reference to Related Applications

[0001] The application claims priorities to Chinese Patent Application No. 202410374826.8 filed on March 29, 2024, and Chinese Patent Application No. 202410223499.6 filed on February 28, 2024, both of which are hereby incorporated by reference in their entireties.Technical Field

[0002] The application relates to the technical field of display apparatuses, and particularly to a display apparatus and a method for media file processing.Background

[0003] The display apparatus refers to a device that can output a display image, and may be a smart TV, a mobile terminal, a smart commercial screen, a projector and other terminal device. Taking a smart TV as an example, the smart TV is a television product that is based on the Internet application technology, equipped with an open operating system and chip, has an open application platform, and is capable of realizing the two-way human-computer interaction function. The smart TV integrates various functions such as audio and video, entertainment and data, and is capable of meeting the diversified and personalised requirements of users.

[0004] Display apparatus can provide a user with various media files, such as video files obtained by recording based on a Personal Video Recorder (PVR) feature or media files from an external device. The User can control the display apparatus to play these media files, for example, by using the playback function of the PVR to play recording files or by locating the desired media files in the folder of the external device and then playing them.

[0005] If the user wants to watch multiple media files continuously, they need to manually control the playback of the next media file after the current file is finished. This leads to discontinuous playback of multiple media files and requires the user to expend effort monitoring playback progress and repeatedly searching for the desired media files. Moreover, since different types of media files require different playback methods, if the user wants to watch multiple media files of different types continuously, besides repeatedly searching for the files, the user has to control the playback using a corresponding method, making it impossible to achieve gapless playback of multiple media files of different types.Summary

[0006] Some embodiments of the application provide a display apparatus, including a display for display an image and / or a user interface, a communication device for communicating with a network, a user input interface for receiving an input signal, and at least one processor connected with the display, the communication device and the user input interface. The at least one processor is configured to execute computer instructions to cause the display apparatus to: after enabling a timed media playback feature, in response to a first control command from a user, control the display to display a file list page, where the file list page includes a first file, a folder and a first button, where a drop-down list of the first button includes an option for timing setting; in response to a first command indicating a selection of the option for timing setting, control the display to update the file list page, where the updated file list page includes a first media file in the first file, a media folder in the folder, the first button including the option for timing setting and a second button, where the media folder includes a second media file, and the first media file and the second media file include a recording file and / or a nonrecording file; after the user selecting at least one target item from the first media file, the media folder and / or the second media file based on at least one first sequence number, in response to a second command indicating a selection of the second button, store a first mapping relationship between the at least one first sequence number and at least one file path for the at least one target item, and control the display to show a time-setting page, where the time-setting page includes a first setting option; after the user inputting a first time based on the first setting option, in response to a save command from the user, set the first time as a start time for playback of the at least one target item; in response to detecting that a system time reaches the first time, according to the at least one first sequence number, play the at least one target item seamlessly based on the first mapping relationship.

[0007] Some embodiments of the application provide a method for a display apparatus, including: after enabling a timed media playback feature, in response to a first control command from a user, controlling a display of the display apparatus to display a file list page, where the file list page includes a first file, a folder and a first button, where a drop-down list of the first button includes an option for timing setting; in response to a first command indicatinga selection of the option for timing setting, controlling the display to update the file list page, where the updated file list page includes a first media file in the first file, a media folder in the folder, the first button including the option for timing setting and a second button, where the media folder includes a second media file, and the first media file and the second media file include a recording file and / or a non-recording file; after the user selecting at least one target item from the first media file, the media folder and / or the second media file based on at least one first sequence number, in response to a second command indicating a selection of the second button, storing a first mapping relationship between the at least one first sequence number and at least one file path for the at least one target item, and controlling the display to show a time-setting page, where the time-setting page includes a first setting option; after the user inputting a first time based on the first setting option, in response to a save command from the user, setting the first time as a start time for playback of the target item; in response to detecting that a system time reaches the first time, according to the at least one first sequence number, playing the at least one target item seamlessly based on the first mapping relationship.Brief Description of Figures

[0008] FIG. 1 shows a scenario for a display apparatus according to some embodiments of the application.

[0009] FIG. 2 shows a configuration block diagram of a control device according to some embodiment of the application.

[0010] FIG. 3 shows a configuration diagram of a display apparatus according to some embodiment of the application.

[0011] FIG. 4 shows a configuration diagram of an operating system of the display apparatus according to some embodiment of the application.

[0012] FIG. 5 shows a schematic diagram of a system architecture for implementing a timed media playback feature and synchronizing recording files according to some embodiments of the application.

[0013] FIG. 6 shows a flowchart of a display apparatus enabling a timed media playback feature according to some embodiments of the application.

[0014] FIG. 7 shows a schematic diagram of a menu for advanced settings according to some embodiments of the application.

[0015] FIG. 8 shows a schematic diagram of a file list page with a timed media playback feature disabled according to some embodiments of the application.

[0016] FIG. 9 shows a flowchart of a display apparatus scheduling playback of media files according to some embodiments of the application.

[0017] FIG. 10 shows a schematic diagram of a file list page with a timed media playback feature enabled according to some embodiments of the application.

[0018] FIG. 11 shows a flowchart of a display apparatus updating a file list page according to some embodiments of the application.

[0019] FIG. 12 shows a schematic diagram of an updated file list page according to some embodiments of the application.

[0020] FIG. 13 shows a flowchart of a display apparatus establishing a first mapping relationship according to some embodiments of the application.

[0021] FIG. 14 shows a schematic diagram of a file list page with selection tags according to some embodiments of the application.

[0022] FIG. 15 shows another schematic diagram of a file list page with selection tags according to some embodiments of the application.

[0023] FIG. 16 shows yet another schematic diagram of a file list page with selection tags according to some embodiments of the application.

[0024] FIG. 17 shows a logical schematic diagram of a process of a display apparatus setting up scheduled playback according to some embodiments of the application.

[0025] FIG. 18 shows a schematic diagram of a file list page after deselecting an item according to some embodiments of the application.

[0026] FIG. 19 shows a schematic diagram of a time-setting page according to some embodiments of the application.

[0027] FIG. 20 shows a flowchart of a display apparatus seamlessly playing target items according to some embodiments of the application.

[0028] FIG. 21 shows a logical schematic diagram of a process of a display apparatus playing target items according to some embodiments of the application.

[0029] FIG. 22 shows a flowchart of a display apparatus playing target items according to some embodiments of the application.

[0030] FIG. 23 shows a flowchart of a display apparatus playing target items according to some embodiments of the application.

[0031] FIG. 24 shows a schematic diagram of a page with a timed playback list according to some embodiments of the application.

[0032] FIG. 25 shows a flowchart of a display apparatus scheduling playback of media resources from a third-party application according to some embodiments of the application.

[0033] FIG. 26 shows a schematic diagram of a user interface of a third-party application according to some embodiments of the application.

[0034] FIG. 27 shows a schematic diagram of a page for media resource selection according to some embodiments of the application.

[0035] FIG. 28 shows a logical schematic diagram of a process of a display apparatus implementing a feature of pause during startup according to some embodiments of the application.

[0036] FIG. 29 shows a schematic diagram of a page for schedule recording according to some embodiments of the application.

[0037] FIG. 30 shows a schematic diagram of a recording file list page according to some embodiments of the application.

[0038] FIG. 31 shows a flowchart of a first display apparatus providing an import feature according to some embodiments of the application.

[0039] FIG. 32 shows a schematic diagram of an available import icon according to some embodiments of the application.

[0040] FIG. 33 shows a schematic diagram of an unavailable import icon according to some embodiments of the application.

[0041] FIG. 34 shows a flowchart of a first display apparatus importing a first recording file according to some embodiments of the application.

[0042] FIG. 35 shows a flowchart of a first display apparatus displaying a recording file list according to some embodiments of the application.

[0043] FIG. 36 shows a schematic diagram illustrating interface changes during import of a first recording file by a first display apparatus according to some embodiments of the application.

[0044] FIG. 37 shows a flowchart of a first display apparatus importing a first recording file according to some embodiments of the application.

[0045] FIG. 38 shows a schematic diagram illustrating interface changes during import of a first recording file by a first display apparatus according to some embodiments of the application.

[0046] FIG. 39 shows a flowchart of a first display apparatus importing a third recording file according to some embodiments of the application.

[0047] FIG. 40 shows a schematic diagram of a recording file list displayed on a first display apparatus according to some embodiments of the application.

[0048] FIG. 41 shows a flowchart of a first display apparatus playing recording files according to some embodiments of the application.

[0049] FIG. 42 shows a flowchart of a first display apparatus identifying a type corresponding to a target recording file according to some embodiments of the application.Detailed Description

[0050] The embodiments will be illustrated below in detail, and the examples thereof are represented in the drawings. When the following description relates to the drawings, the same numbers represent the same or similar elements in the different drawings, unless otherwise indicated. The implementations described in the following embodiments do not represent all the implementations consistent with the application, and are merely examples of systems and methods consistent with some aspects of the application as recited in the claims.

[0051] It should be noted that the brief description of the terms in the application is only for the convenience of understanding the embodiments described hereafter, and is not intended to limit the embodiments of the application. Unless otherwise indicated, these terms should be understood according to the plain and ordinary meanings.

[0052] The terms "first", "second", "third" and the like in the specification and claims as well as the above drawings in the application are used to distinguish similar or homogeneous objects or entities, but not necessarily meant to limit a particular order or sequence, unless otherwise indicated. It should be understood that the terms so used are interchangeable under appropriate circumstances.

[0053] The terms "including" and "having" and any variations thereof are intended to cover but not exclude the inclusion, e.g., a product or device that includes a range of components is not limited to all components that are clearly listed, but may include other components that are not clearly listed or components that are inherent to the product or device.

[0054] The display apparatus provided in the embodiments of the application may have various implementation forms, for example, may be a smart TV, a laser projection device, a monitor, an electronic bulletin board, an electronic table, etc.; or may be a mobile phone, a tablet, a smart watch, or other device with a display screen. FIG. 1 and FIG. 2 show embodiments of the display apparatus of the application.

[0055] FIG. 1 shows a schematic diagram of a scenario for the display apparatus according to some embodiments of the application. As shown in FIG. 1, a user may operate a display apparatus 200 via a control device 100. In some embodiments, the display apparatus 200 may obtain a live broadcast signal via a satellite or obtain the network data via a server 300.

[0056] FIG. 2 shows a configuration block diagram of the control device 100. In some embodiments, the control device 100 may be a remote control, and can communicate with the display apparatus 200 through at least one of infrared protocol communication, Bluetooth protocol communication or other short-range communication methods, to control the display apparatus 200 through wireless or other wired methods. The user may input user commands through keys, voice input and control panel input on the remote control, to control the display apparatus 200.

[0057] FIG. 3 shows a configuration block diagram of the display apparatus 200 according to some embodiments of the application.

[0058] The display apparatus 200 may include at least one of a modem 210, a communicator 220, a detector 230, an external device interface 240, a processor 250, a display 260, an audio output interface 270, a memory, a power supply, and a user input interface 280.

[0059] In some embodiments, the display apparatus 200 may establish the sending and receiving of control signals and data signals with the control device 100 or the server 400 through the communicator 220. In some embodiments, the detector 230 can include a sound collector. The display apparatus 200 can collect user voice via the sound collector and transmit the collected voice to the processor 250 for processing. In some embodiments, the processor 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device (such as an external set-top box, etc.) of the main device where the processor 250 is located. In some embodiments, the processor 250 controls the operations of the display apparatus and responds to the user's operations through various software control programs stored in the memory. The processor 250 controls the overall operation of the display apparatus 200. In some embodiments, the processor 250 may include at least one of a Central Processing Unit (CPU), a video processor, an audio processor, a Graphics Processing Unit (GPU), an RAM (Random Access Memory), an ROM (Read-Only Memory), first to nthinterfaces for input / output, a communication bus (Bus), etc. In some embodiments, the display 260 includes: a screen component for presenting an image, a driver component for driving the image display, a component for receiving an image signal from the processor 250 to display video content and image content as well as a menu control interface, and a user control Ul interface. In some embodiments, the display 260 may be a liquid crystal display, an OLED display or a projection display, or may be a projection device and a projection screen. In some embodiments, the user may input a user command on a Graphic User Interface (GUI) displayed on the display 260, and the user input interface can receive the user input command through the GUI. Alternatively, the user may input a user command by inputting particular sound or gesture, and the user input interface recognizes the sound or gesture through the sensor to receive the user input command. In some embodiments, the "user interface" is a medium interface for interaction and information exchange between applications or operating systems and users. It realizes the switch between the internal form of informationand the form acceptable to users. A common form of user interface is a GUI, which refers to a user interface displayed graphically for computer operations and can include an icon, a window, a control, and other interface object displayed on an electronic device screen. The control may include at least one of the following visible objects: an icon, a button, a menu, a tab, a text box, a dialog, a status bar, a navigation bar, or a widget.

[0060] In some embodiments, the display apparatus 200 is based on the VIDAA software platform, as shown in FIG. 4. The operating system based on the Linux platform is divided into three layers, which are respectively an application layer, a middleware layer and a hardware layer from top to bottom. Here, the application layer may include various types of applications and application frameworks. The middleware layer may include various protocols and components. The hardware layer may include various interfaces as well as hardware and drivers.

[0061] The display apparatus 200 can provide a user with various media files, such as video files recorded based on the PVR function or media files supplied by external devices. The user can control the display apparatus 200 to play these media files. In some embodiments, the display apparatus can play a video file using the PVR playback feature or locate a desired media file from the external device's folder and then play it.

[0062] If a user wants to continuously watch multiple media files, the user needs to manually control the playback of a next media file after a current one finishes. This results in non- continuous playback of multiple media files and requires the user to monitor the playback progress and repeatedly search for the media files he / she wants to play. Moreover, due to differences in the playback methods of various media file types, if the user wants to watch multiple media files of different types consecutively, the user needs to search for files continuously and use corresponding playback methods, making it impossible to achieve gapless playback of different media file types.

[0063] To address the above issues, the application provides a media file processing method, where the display apparatus 200 can offer a timed media playback feature. This allows a user to schedule a playback time for a media file, so that the system can automatically play the media file at the specified time.

[0064] Based on the operating system shown in FIG. 4, the display apparatus 200 can be configured with a system architecture for implementing a timed media playback feature, as illustrated in FIG. 5.

[0065] In this system architecture, the application layer (e.g., GUI layer) can interact with users through the Ul interface, and can include applications such as PVR, Settings, Data Management Platform (DMP), Live TV, Hybrid Broadband TV (HbbTV), Scan / Service List, Import App, Recording App, etc.

[0066] The application layer can also include a JS interface layer, which specifically handles services such as Import and Recording.

[0067] The middleware layer can process and implement logics of various functions of the display apparatus 200 and request an underlying platform to perform operations related to various functions. The middleware layer can include the Business (BIZ) layer, TVMain layer, MediaMain layer, logic processing unit (Chassis), and more.

[0068] The BIZ layer can include a module for business values, such as time control, timer lists, and hard disk recording (HDR), that is, Biz ValuesfTime Control, Timer List, Hdr), Model- TimerList, Model-HDR, Model-TimerControl, Model-Tvservice, etc. The BIZ layer can also include another module for business values, such as media playback controllers (mpctrl), picture, and directory, such as Biz Valuesfmpctrl, picture, directory), Model-Mpctrl, Model- Picture, Model-Mpmdt, Pulse Coupled Neural Network (Pucman), etc.

[0069] The TVMain layer can include modules such as HDR Controller (Control), Tisto module, HDR Task module, HDR Srv Task module, HS_Play interactive player, Metadata module, etc.

[0070] The MediaMain layer can include modules like HmTypeUtil, UriEntity, HmsMediator, HmcMediaPlayer, and more.

[0071] The Chassis can include modules such as BspCryPtor, PlayerDev (Player Development Tool), Recording module, recorder development tool (RecorderDev), window develop tool (WindowDev), speaker develop tool (SpeakerDev), injector implementation base (InjectorlmpIBase), InjectorClient, VideoInjector, AudioInjector, and more.

[0072] In embodiments of the application, the TVMain layer and Chassis can execute logic processing related to the timed media playback feature for recording files, the MediaMain layerand Chassis can execute logic processing related to the timed media playback for files which are not recording files, the Pucman module can execute logic processing related to automatic playback.

[0073] The hardware layer (e.g., HUI) can provide the hardware foundation to realize the playback function of the display apparatus 200. The hardware layer can include digital multiplexing injection (HUI_Dmxlnject), recording (HUI_Record), stream injection (HUI_Streamlnject), photo viewer (HUI_PhotoViewer), audio (HUI_Audio), video (HUI_Video), video output (HUI_VOut), audio output (HUI_AOut), and more.

[0074] In the system architecture shown in FIG. 5, boxes for different modules are distinguished using different fills. Boxes filled with a horizontal line pattern indicate modules for adding configuration in the embodiment of the application. Boxes filled with a vertical line pattern indicate modules for implementing the timed media playback feature. Boxes filled with a diagonal line pattern indicate modules related to PVR. Boxes with no fill indicate modules related to Media.

[0075] Based on the system architecture shown in FIG. 5, in the process of implementing the timed media playback feature, an upper-layer Ul module can receive and process user's operations, and transmit information data of user's operations to the middleware layer. In the upper-layer Ul module, the PVR application can process the user's operations related to the PVR function, and the DMP application can process the user's operations related to other media files. The middleware layer can process the information data of user's operation passed by the upper layer, and invoke Chassis to actually intercept and splice the file data. Here, Model-TimerControl, Model-HDR and the HDR-related modules in the TVMain layers, as well as the Recording-related modules in the Chassis can process user data and logic processing related to the schedule and playback of recording files. Model-Mpctrl and modules related to MediaPlayer in the MediaMain layer, and Injector-related modules in the Chassis can process user data and logic processing related to the schedule and playback of files other than the recording files. The Pucman module can process the logic processing related to the display apparatus 200 automatically waking up and playing. The Pucman module can be notified when the timed media playback feature is enabled, and when the scheduled time is reached, thePucman module can notify Model-TimerControl or Model-Mpctrl, and the notified module can trigger display apparatus 200 to wake up and play the corresponding media file. The Chassis layer can call an interface for the HUI layer for actual video data injection, decoding, and playback.

[0076] Based on the system architecture in FIG. 5, and the logic for implementing the timed media playback feature, the following embodiments will provide specific description on how the display apparatus 200 schedules and plays various types of media files.

[0077] Embodiment I

[0078] The display apparatus 200 can be configured with a timed media playback feature. In some embodiments, the display apparatus 200 may have the timed media playback feature either disabled or enabled by default. If the feature is disabled by default, the user can manually enable it.

[0079] The process for enabling the timed media playback feature on display apparatus 200 is illustrated in FIG. 6, with the following steps.

[0080] S601: in response to a command from a user, displaying a settings menu.

[0081] The display apparatus 200 can configure an entry for a timed media playback feature in the settings menu, such as a switch for timed media playback in the "Advanced Settings" menu.

[0082] The user can input a command via a settings button on the control device 100, controlling the display apparatus 200 to open the settings menu. In this menu, an "Advanced Settings" option may be configured, allowing the user to control the display apparatus 200 to open the advanced settings menu by selecting it.

[0083] Refer to the advanced settings menu shown in FIG. 7, which can include a switch 701 for a timed media playback feature. If the timed media playback feature is not enabled, the switch 701 is in an off state.

[0084] S602: in response to a start command input via the switch for the timed media playback feature from the user, enabling the timed media playback feature.

[0085] Using the advanced settings menu shown in FIG. 7 as an example, the user can control a focus to be located at the switch 701. When the switch is in the off state, the user can input a confirm command by pressing a confirm button on control device 100, as shown in FIG. 7, thedisplay apparatus 200 can adjust the switch 701 to be in an on state, thereby enabling the timed media playback feature.

[0086] The display apparatus 200 can display a file list page for the user, showing various files stored locally or provided by external devices. These files can include media files such as audio file, video file, image file, etc, and non-media files such as documents, etc. If the user wants to view the respective files, the user can input a first control command, to control the display apparatus 200 to open the file list page.

[0087] In some embodiments, when the timed media playback feature is disabled, the display apparatus 200 can display the file list page in response to the first control command. The file list page can include first file(s), folder(s) and a first button. Here, the first file is a separate file, which may be a media file or a non-media file. The folder can include second file(s). The second file can be a media file or a non-media file. In some embodiments, the folder can be empty without any second file. The first button can include multiple options each indicating a type of a file displayed on the file list page. The first button can show the options corresponding to the various types in a drop-down list, including "All Media", "Photo", "Video", "Music", "Recorded", etc. The file and the folder displayed on the file list page can be filtered by selection of the options in the first button. In some embodiments, the first button is defaulted to "All Media," displaying all files. The first button is shown with name(s) of selected option(s), enabling the user to quickly identify currently displayed file type(s) by reading the name(s).

[0088] Refer to the file list page shown in FIG. 8. The file list page can include items indicated by musicl, music2, other, videol, video2, videol.mp4, musicl.mp3, NEO.ts, a.txt, b.txt and PVR+. Here, items indicated by musicl, music2, other, videol, video2 and PVR+ are folders, and items indicated by videol. mp4, musicl. mp3, NEO.ts, a.txt and b.txt are first files. The file list page further can include the first button 801.

[0089] The user can browse the file list page to locate and select a desired media file for playback. Taking the file list page shown in FIG. 8 as an example, the item indicated by "videol. mp4" can be played by double-clicking. Using the first button 801, the user can filter the files of the desired types. For example, the user can select the first button 801, and the page of the display apparatus can be shown as FIG. 8, a drop-down list of the first button 801,including options indicated by All Media, Photo, Video, Music, Recorded, can be displayed. The user can select the option corresponding to the type for display, such as selecting the "Video" option, and the display apparatus 200 can update the file list page based on the selected option. The updated file list page can include the video file(s) among the first files and the folders including video file(s).

[0090] In some embodiments, after the timed media playback feature is enabled, the display apparatus 200 can configure the first button to include an option for timing setting, serving as an entry to open a file selection page. The display apparatus can schedule media file playback in a process shown in FIG. 9, with following steps.

[0091] S901: in response to a first control command from a user, displaying a file list page.

[0092] The file list page can include first file(s), folder(s), and a first button. A drop-down list of the first button can include an option for timing setting.

[0093] In some embodiment, in response to the first control command, based on determining that a timed media playback feature is disabled, the display apparatus 200 can display the dropdown list of the first button without the option for timing setting; and based on determining that the timed media playback feature is enabled, the display apparatus 200 can add the option for timing setting in the drop-down list of the first button.

[0094] In some embodiments, in response to the first control command, based on determining that the timed media playback feature is disabled, the display apparatus 200 can display the drop-down list of the first button with the option for timing setting in an unavailable state, for example, setting the option as grey; and based on determining that the timed media playback feature is enabled, the display apparatus 200 can display the option for timing setting in the drop-down list of the first button, and the option for timing setting is in an available state.

[0095] Using the file list page when the timed media playback feature is not enabled shown in FIG. 8 as an example, after enabling the timed media playback feature, in response to the first control command, the display apparatus 200 can display the file list page as shown in FIG. 10. Compared with FIG. 8, the drop-down list of the first button 801 is added with the Timing Setting option, and the Timing Setting option is in an available state.

[0096] S902: in response to a first command indicating a selection of the option for timing setting, updating the file list page. The updated file list page can include a first media file among the first files, media folders among the folders, the first button with the option for timing setting and a second button.

[0097] If the user wants to schedule media file playback, the user can use control device 100 to control the focus to be located at the option for timing setting and input the first command by selecting the option for timing setting. The display apparatus 200 can, in response to the first command, filter files to be displayed on the file list page based on the option selected in the first button. The type of file corresponding to the option for timing setting is the media file. As a result, the display apparatus 200 can filter out the media files from the first files, i.e., the first media files, as well as the folders including media files, i.e., the media folders, and update the file list page based on the first media files and media folders. The updated file list page can also be referred to as the file selection page, used for the user to select the media files to be scheduled for playback.

[0098] The updated file list page can include the first media files, media folders, a first button and a second button. The first button is shown with the name of the option for timing setting, such as Timing Setting, indicating that the files displayed on the file list page are used for scheduled playback setting. The second button can be an entry to a time-setting page, such as the Time button.

[0099] A media file in the media folder can be referred to as a second media file. The first media file and second media file can include a recording files and / or a non-recording file. That is, the user can scheduled playback for only recording file, only non-recording file, or both recording and non-recording files.

[0100] In some embodiments, the display apparatus 200 can update the file list page according to the process shown in FIG. 11. The specific steps are as follows.

[0101] S1101: in response to the first command, identifying a file format of the first file and a file format of the second file in the folder.

[0102] The file formats can be categorized into media file formats and non-media file formats. For example, media file formats may include formats with extension namesof .mp3, .mp4, .ts, JPG, etc., and non-media file formats may include a format with extension name of .txt.

[0103] S1102: determining a first file in a media file format as the first media file, and determining the folder including a second file in the media file format as the media folder.

[0104] A second file in the media file format is a second media file.

[0105] The first media file and the media folder including the second media file are filtered out.

[0106] S1103: updating the file list page and displaying the first media file and the media folder on the updated file list page.

[0107] As such, the updated file list page can display only the media file and the folder including the media file supporting the scheduled playback.

[0108] In the file list page, the display apparatus 200 display the corresponding files or folders in form of icons. Icons of files can accurately indicate a type of file. For example, an icon of a music file can be a music note symbol, and an icon of a video file can be a player symbol. The user can determine the type of the file directly based on the icon. An icon of folder can be indicated by a folder symbol. Since a folder can include multiple files, and these files may correspond to different types, the user may not be able to determine the type of files within a folder based solely on the icon of the folder. Therefore, the user needs to open the folder to determine whether it includes a file of a desired type.

[0109] To solve this issue, in some embodiments, when the display apparatus 200 displays the updated file list page, it can add indicators to the icon of media folder. These indicators correspond to the file formats of the second files in the media folders. The indicators may include a thumbnail of the file format, an icon, a picture, a pattern, or an animation.

[0110] In some embodiments, indicators of media file formats can be added to the icon of media folder.

[0111] In some embodiments, indicators of all file formats can be added to the icon of media file folder, with priority given to displaying the indicators for the second media files, i.e., the indicators for media file formats are shown first.

[0112] As such, the user can directly determine the type of the second media files in the media folder based on the indicators on the icons of the media folder.

[0113] Taking the file list page shown in FIG. 10 as an example, if the first command is input to the display apparatus 200 based on a selection on the option for timing setting from the user, in response to the first command, the display apparatus 200 can identify the first media files and media folders from items indicated by musicl, music2, other, videol, video2, videol.mp4, musicl. mp3, NEO.ts, a. txt, b.txt, and PVR+. The first media files can include items indicated by videol. mp4, musicl. mp3, and NEO.ts. If the item indicated by other is empty, then the media folders can include items indicated by musicl, music2, videol, video2, and PVR+. The display apparatus 200 can update the file list page, and the updated file list page, shown in FIG. 12, can include items indicated by videol. mp4, musicl. mp3, NEO.ts, musicl, music2, videol, video2, and PVR+, along with the first button 801 and second button 1201. The first button 801 can be shown with a name of Timing Setting.

[0114] If folder musicl includes second files musicl_l.mp3 and musicl_2.mp3, folder music2 includes second files music2_l.mp3, music2_2.mp3, and music2_a.txt, folder videol includes second files videol_l.mp4 and videol_2.mp4, folder video2 includes second files video2_l.mp4, video2_2.mp4, and video2_a.txt, and folder PVR+ includes second files REC0001 and REC0002, then as shown in FIG. 12, the icon for folder musicl can be shown with an indicator 1202 for music, the icon for folder music2 can be shown with an indicator 1203 for music and an indicator 1204 for document, the icon for folder videol can be shown with an indicator 1205 for video, the icon for folder video2 can be shown with an indicator 1206 for video and an indicator 1207 for document, and the icon for folder PVR+ can be shown with an indicator 1208 for video. Here, indicator 1203 is displayed before indicator 1204, and indicator 1206 is displayed before indicator 1207.

[0115] S903: after the user selects target item(s) from the first media files, media folders, and / or second media files in a first sequence number, in response to a second command indicating a selection on the second button from the user, storing a first mapping relationship between the first sequence number(s) and a file path of the target item(s), and displaying the time-setting page.Y1

[0116] The first sequence number can correspond to a sequence number in which the user wants to play the media file, meaning that playing the first selected media file and media folder first, followed by the later selected media file and media folder.

[0117] The target item can be a media file and / or media folder that the user wants to schedule for playback.

[0118] In some embodiments, the first media file or the media folder can be selected as the target item based on the user clicking on the first media file or the media folder. The display apparatus 200 can be controlled to display, on the file list page, second files in the media folder based on the user double-clicking on the media folder. A second media file can be selected as the target item based on the user clicking on the second media file from the second files.

[0119] The first mapping relationship can be used to, when playing the media files based on the first sequence numbers, determine the file paths of the media files and obtain the corresponding media files based on that file paths.

[0120] The display apparatus 200 can establish the first mapping relationship according to a process shown in FIG. 13, with the following steps.

[0121] S1301: in response to a command indicating a selection of the target item from the user, obtaining the first sequence number for selecting the target item, and obtaining the file path of the target item.

[0122] While the display apparatus 200 responds to the user selecting the target item, it can record a name of the target item and counts a quantity of responses for selections on the target items. The quantity of responses can correspond to the first sequence number of the target item, and the file path of the target item can be obtained, which is used to obtain the target item.

[0123] If the selected target item is a media folder, first sequence numbers of second media files in that folder can be obtained, and the file paths of the respective second media files can be obtained. The first sequence numbers of the respective second media files can be sorted according to a default order based on which the respective second media files are placed in the media file directory.

[0124] In some embodiments, if the target item is a media folder, and the media folder includes a second media file that has been separately selected by the user, a first sequence number of a second media file not separately selected can be obtained, and a file path of the second media file not separately selected can be obtained. The first sequence numbers of the respective second media files not separately selected can be sorted according to a default order in which the respective second media files are placed in the media folder.

[0125] In some embodiments, the display apparatus 200 can mark a corresponding first sequence number on the icon of the target item. In this way, the user can quickly determine the first sequence number corresponding to the target item by checking the mark on the icon.

[0126] Taking the file list page shown in FIG. 12 as an example, if the user selects item videol.mp4, item video2, and item PVR+ in sequence, then, as shown in FIG. 14, a mark of 1 can appear on the icon for the item videol.mp4, a mark of 2 can appear on the icon for the item video2, and a mark of 3 can appear on the icon for the item PVR+.

[0127] Taking the file list page shown in FIG. 12 as an example, if the user selects item videol.mp4, item REC0001, item video2, and item PVR+ in sequence, where item REC0001 is a video file in folder PVR+, then, as shown in FIG. 15, a mark of 1 can appear on the icon for the item videol.mp4, a mark of 3 can appear on the icon for the item video2, and marks of 2 and 4 can appear on the icon for the item PVR+. Mark 2 can be placed in an upper left corner of the icon for the item PVR+ to indicate the first sequence number of the second media file inside, namely file REC0001. Mark 4 can be placed in an upper right corner of the icon for the item PVR+ to indicate the first sequence number of the item PVR+.

[0128] FIG. 16 shows a file list page after opening the item PVR+, which can include icons for items REC0001 and REC0002, where the mark 2 can be placed on the icon for the item REC0001. Thus, the user can determine the second media file selected separately in the media folder and its corresponding first sequence number based on the mark on the icon.

[0129] S1302: establishing the first mapping relationship between the first sequence number and the file path of the target item.

[0130] The process of setting the scheduled playback can be described with the flow shown in FIG. 17.

[0131] The system can initialize loop parameters: i - 0, j - 0, N - 0. Here, "i" indicates an i-th target item selected by the user, "j" indicates a first sequence number of a j-th media file, "N" indicates a total quantity of media files selected by the user, and (filepath, j) indicates the mapping relationship between the file path and the first sequence number of the media file.

[0132] The display apparatus 200, in response to the command indicating a selection of the target item, can increment the loop parameter i by 1 to indicate the i-th target item selected by the user.

[0133] Next, whether the i-th target item selected by the user is the first media file can be determined. If the i-th target item is the first media file, the parameter for the first sequence number j can be incremented by 1, the total quantity of media files N can be incremented by 1, and the file path filepath of the first media file can be obtained. The mapping relationship (filepath, j) between the first media file's first sequence number and its file path can be established and saved.

[0134] If the i-th target item is not the first media file, whether the i-th target item is a media folder can be determined. If the i-th target item is not a media folder, it indicates that the user has selected an invalid file, and the system can continue to respond to the user's selection. If the i-th target item is a media folder, the total quantity M of second media files in the media folder not separately selected by the user can be obtained.

[0135] Further, whether M is greater than 0 can be determined. If M < 0, it means the user has already selected all second media files in that media folder, and the process can return to the step of receiving the command indicating the selection of the target item.

[0136] If M > 0, it means the user has selected some, but not all, of second media files in the media folder. For the second media files that have been selected, the process in which the display apparatus 200 executes in response to the command indicating the selection of the some of the second media files can refer to the steps when the selected i-th target item is the first media file, which will not be repeated here. For the second media files in the folder not selected, the loop parameter k can be initialized to 1. The file path filepath of the k-th second media file in the folder can be obtained, the first order j can be incremented by 1, the total quantity of media files N can be incremented by 1, and the mapping relationship (filepath, j)between the k-th second media file's first sequence number and its file path can be established and saved.

[0137] Further, whether k is greater than or equal to M can be determined. If k >M, it means all the second media files in the media folder not selected have been processed, and the system can continue to respond to the user's selection. If k < M, the process can continue with a next unselected second media file, and the loop parameter k can be incremented by 1.

[0138] In some embodiments, the process of setting the scheduled playback shown in FIG. 17 is as follows: in S1710, initializing the loop parameters i - 0, j - 0, total quantity of media files N - 0, and determining the first mapping relationship (filepath, j); in S1711, receiving the command indicating the selection of the target item from the user; in S1712, incrementing the loop parameter i by 1; in S1713, determining whether the i-th target item is a media file, and if yes, executing S1714, otherwise, executing S1716; in S1714, incrementing the first sequence number j by 1, the total quantity of media files N by 1; in S1715, saving the mapping relationship (filepath, j) for the N-th media file; in S1716, determining whether the i-th target item is a media folder, and if yes, executing S1717, otherwise, returning to S1711; in S1717, obtaining a total number M of second media files in the i-th media folder not selected by the user; in S1718, determining whether M > 0, and if yes, executing S1719, otherwise, returning to S1711; in S1719, initializing the loop parameter k - 1; in S1720, incrementing the first sequence number j by 1, the total quantity of media files N by 1; in S1721, saving the mapping relationship (filepath, j) for the N-th media file; in S1722, determining whether k the, and if yes, returning to S1711, otherwise, executing S1723; and in S1723, incrementing the loop parameter k by 1.

[0139] After the target item is selected, the display apparatus 200 can respond to the user's command to deselect a first item in the target item(s), delete a sequence number corresponding to the first item in the first sequence number(s), and reorder the second items following the first item in the first sequence numbers, thus obtaining the updated first sequence numbers. In some embodiments, the user can deselect the target item by reselecting it, canceling the scheduled playback for the target item. After the user cancels the selection of the target item, the remaining target items need to be reordered to obtain the updated firstsequence numbers, and the first mapping relationship between the updated first sequence numbers and the file paths of the respective target items can be updated to ensure the accuracy and effectiveness of the scheduled playback.

[0140] For example, in the file list page shown in FIG. 14, if the user clicks item video2 again, the selection of the item video2 can be cancelled. As shown in FIG. 18, the mark on the icon for the item video2 can be removed, and the first sequence number of the item PVR+ can be updated. The updated first sequence number of the item PVR+ can be 2, so as shown in FIG. 18, the mark on the icon for the item PVR+ can be updated to 2.

[0141] After selecting all the target items for scheduled playback, a second command can be input based on the user selecting the second button. In response to the second command, the display apparatus 200 can store the established first mapping relationship and display the time-setting page. This time-setting page is used to set the parameters related to the scheduled playback.

[0142] In some embodiments, the time-setting page can include a first setting option. The first setting option is used to set a start time of the playback for the target item.

[0143] Referring to the time-setting page shown in FIG. 19, the time-setting page can include the first setting option 1901.

[0144] In some embodiments, the time-setting page can also include a save button.After the user inputs a save command based on the save button, the display apparatus 200 can store the set parameters. FIG. 19 shows a save button 1902, as an example.

[0145] In some embodiments, the time-setting page can also include a cancel button. After the user inputs a cancel command based on the cancel button, the display apparatus 200 will not store the set parameters and will exit the time-setting page. FIG. 19 shows a cancel button 1903 as an example.

[0146] S904: after the user inputs a first time via the first setting option, in response to the save command, setting the first time as the start time for the playback of the target item(s).

[0147] For example, in the time-setting page shown in FIG. 19, if the user inputs the first time, such as 12:52 PM, in the first setting option 1901, and inputs the save command based onthe save button 1902, the display apparatus 200 will set the start time for the playback of the target item to 12:52 PM.

[0148] S905: when the system time reaches the first time, playing the target items seamlessly based on the first sequence numbers, according to the first mapping relationship.

[0149] The display apparatus 200 can control the playback of the target item(s) through a timer, setting the first time for the timer. When the timer reaches the first time, the display apparatus 200 starts playing the target item(s).

[0150] The display apparatus 200 can play the target items seamlessly according to the flow shown in FIG. 20, with the following steps.

[0151] S2001: determining a target item for play currently according to the first sequence numbers.

[0152] The display apparatus 200 plays each target item in sequence according to the first sequence numbers. For example, when the target item with the first sequence number of 3 finishes, the target item with the first sequence number of 4 can be played next.

[0153] S2002: based on the first mapping relationship, obtaining and playing the target item for play currently.

[0154] While determining the target item for play currently, the system can map the target item to the corresponding file path through the first mapping relationship, obtain the target item based on the file path, and then play the target item, to allow the target items to be played based on the first sequence numbers in sequence.

[0155] If the target item is a media folder, while playing the target item, each second media file in the folder can be played according to its order within the media folder.

[0156] In some embodiments, if the display apparatus 200 detects that the system time reaches the first time and the apparatus is already powered on, and is currently playing media resource such as a live program or a media resource from a third-party application, the system can pause the playing of the current media resource and play the target item.

[0157] In some embodiments, if the display apparatus 200 detects that the system time reaches the first time and the apparatus is not powered on, the display apparatus 200 can automatically wake up, and start playing the target item after waking up.

[0158] The process of the display apparatus 200 playing the target item can be described with reference to the processing flow shown in FIG. 21.

[0159] The Pucman module can detect the system time. If the system time reaches the first time, the Pucman module can determine whether a first one of media files to be played is a recording file.

[0160] If the first one of media files is a recording file, the Pucman module can notify the timercontrol module, and the timercontrol module can wake up the display apparatus 200 and notify the Ul module.

[0161] If the first one of media files is not a recording file, the Pucman module can notify the mpctrl module, and the mpctrl module can wake up the display apparatus 200 and notify the Ul module.

[0162] The Ul module can obtain the related data for the scheduled playback of the media files, such as the total number N of media files, the first sequence numbers, the first mapping relationship, and initialize the loop parameter i - 0.

[0163] The Ul module can determine whether the i-th media file to be played is a recording file. If the i-th media file is a recording file, the Ul module can send a play instruction for the i-th media file to the recording-related module. The recording-related module can process the playback flow for the i-th media file and call the underlying interface to start playing the i-th media file.

[0164] If the i-th media file is not a recording file, the Ul module can send a play instruction for the i-th media file to the media-related module. The media-related module can process the playback flow for the i-th media file and call the underlying interface to start playing the i-th media file.

[0165] After the i-th media file finishes playing, whether i > N can be determined. If i > N, it means all the media files have finished playing, and the scheduled playback task ends. If i < N, the loop parameter i can be incremented by 1, and the next media file can be played.

[0166] In some embodiments, the process for the display apparatus 200 to play target items as shown in FIG. 21 is as follows: in S2101, determining whether a scheduled time has arrived, and if yes, proceeding to S2102, otherwise, returning to S2101; in S2102, determiningwhether the current file being played is a recording file, if yes, proceeding to S2103, S2104, S2105, and S2110 in sequence, otherwise, proceeding to S2106, S2107, S2108, S2109, and S2110 in sequence; in S2103, the Pucman module notifies the timercontrol module that the scheduled play time has arrived; in S2104, the timercontrol module wakes up the display apparatus; in S2105, the timercontrol module notifies the Ul module; in S2106, determining that the current file being played is an audio / video file which is not a recording file; in S2107, the Pucman module notifies the MpctrlMediaAdapter that the scheduled play time has arrived; in S2108, the MpctrlMediaAdapter wakes up the display apparatus; in S2109, the MpctrlMediaAdapter notifies the Ul module; in S2110, the Ul module obtains the total number N of files to be played at the scheduled time, and initializes the loop parameter i - 1; in S2111, determining whether the i-th file is a recording file, and if yes, proceeding to S2112, S2113, S2114, and S2115 in sequence; otherwise, proceeding to S2116, S2117, S2118, S2119, and S2120 in sequence; in S2112, the Ul module sends an instruction to play the i-th media file to the video-related module; in S2113, the recording and related modules begin processing the play of the i-th media file; in S2114, playing the i-th media file; in S2115, determining whether the i-th file has finished playing, and if yes, proceeding to S2121, otherwise, returning to S2114; in S2116, determining that the i-th file is a non-recording file; in S2117, the Ul module sends an instruction to play the i-th media file to the media-related module; in S2118, the media-related module begins processing the play of the i-th media file; in S2119, playing the i-th media file; in S2120, determining whether the i-th file has finished playing, and if yes, proceeding to S2121, otherwise, returning to S2119; in S2121, determining whether i is greater than or equal to N, and if yes, ending the process, otherwise, proceeding to S2122; and in S2122, incrementing the loop parameter i by 1.

[0167] The following examples illustrate scenarios where the display apparatus 200 schedules the playback of target items.

[0168] Example 1

[0169] The user can schedule the playback of a single media folder.

[0170] For example, in the file list page shown in FIG. 12, if the user clicks the item PVR+ for selection, the display apparatus 200 can obtain the second media files included in the folderPVR+, such as files REC0001 and RECOOO2. If the files RECOOO1 and RECOOO2 are in the default order of RECOOO1 — - RECOOO2 within the folder PVR+, the first mapping relationship established by the display apparatus 200 may include a mapping of first sequence number of 1 to the file path for the file REC0001, and a mapping of first sequence number of 2 to the file path of the file REC0002. The display apparatus 200 can, in response to the second command indicating a selection of the second button, store the first mapping relationship and display a time setting page as shown in FIG. 19. The user can input a first time, such as 12:52 PM, in the first setting option 1901, and input a save command using the save button 1902. The display apparatus 200 can then set the start time for playing the target item to 12:52 PM. When the system time reaches 12:52 PM, the display apparatus 200 can play the folder PVR+ based in the first sequence numbers, i.e., it can automatically play the files in sequence of REC0001->REC0002.

[0171] Example 2

[0172] The user can schedule the playback of multiple second media files within a same media folder.

[0173] For example, in the file list page shown in FIG. 12, if the user double-clicks item PVR+ for selection, the display apparatus 200 can show the file list after opening the folder PVR+ (as shown in FIG. 16). If the user clicks items in a REC0002 -> REC0001 sequence, the first mapping relationship established by the display apparatus 200 can include a mapping of first sequence number of 1 to the file path for the file REC0002, and a mapping of first sequence number of 2 to the file path for the file REC0001. The display apparatus 200 can, in response to a second command indicating a selection of the second button, store the first mapping relationship and display the time setting page. The user can input a first time, such as 12:52 PM, in the first setting option 1901, and issue a save command based on the save button. The display apparatus 200 can set the play start time to 12:52 PM. When the system time reaches 12:52 PM, the display apparatus 200 can automatically play files in the REC0002->REC0001 sequence. Here, after determining the media file to be played, the file path can be determined based on the first mapping relationship, and the corresponding media file can be obtained based on the file path.

[0174] Example 3

[0175] The user can schedule the playback of a single media folder and the second media files within that folder.

[0176] For example, in the file list page shown in FIG. 12, if the user double-clicks item PVR+ for selection, the display apparatus 200 shows the file list after opening the folder PVR+ (refer to FIG. 16). The user can click item REC0002 for selection, then control the display apparatus 200 to return to the file list page shown in FIG. 12 and click the item PVR+ again. That is, the user first selects the second media file within the media folder and then selects that folder. If the folder PVR+ includes second media files REC0001 and REC0002, and file REC0001 is not selected by the user in the folder PVR+, the first mapping relationship established by the display apparatus 200 can include a mapping of first sequence number of 1 to the file path for the file REC0002 and a mapping of first sequence of 2 to the file path for the file REC0001. The display apparatus 200 can, in response to a second command indicating a selection of the second button, store the first mapping relationship and display the time setting page. The user can input a first time, such as 12:52 PM, in the first setting option 1901, and issue a save command based on the save button. The display apparatus 200 can then set the start time for playing the target items to 12:52 PM. When the system time reaches 12:52 PM, the display apparatus 200 can automatically play files in the REC0002->REC0001 sequence. Here, after determining the media file to be played, the file path can be determined based on the first mapping relationship, and the corresponding media file can be obtained based on the file path.

[0177] Example 4

[0178] The user can schedule the playback of a single media folder and the second media files within that folder.

[0179] For example, in the file list page shown in FIG. 12, the user can click item PVR+ for selection, double-click the item PVR+, and after displaying the file list page after opening the folder PVR+, click item REC0001 for selection. That is, the user first selects the media folder and then selects the second media file within that folder. If the folder PVR+ includes second media files REC0001 and REC0002, and the file REC0002 is not selected separately by the user, the first mapping relationship established by the display apparatus 200 can include a mapping of first sequence number of 1 to the file path for the file REC0002, and a mapping of first sequencenumber of 2 to the file path for the file REC0001. The display apparatus 200 can, in response to a second command indicating a selection of the second button, store the first mapping relationship and display the time setting page. The user can input a first time, such as 12:52 PM, in the first setting option 1901, and issue a save command based on the save button. The display apparatus 200 can set the start time for playing the target items to 12:52 PM. When the system time reaches 12:52 PM, the display apparatus 200 can automatically play files in the REC0002->REC0001 sequence. Here, after the media file to be played is determined, and based on the first mapping relationship, the file path for the media file can be determined, and the corresponding media file can be obtained based on the file path.

[0180] Example 5

[0181] The user can schedule the playback of multiple media folders.

[0182] Taking the file list page shown in FIG. 12 as an example, if the user sequentially clicks to select folders in a PVR+ — - music2 sequence, where folder PVR+ includes the second media files REC0001 and REC0002 in default order within PVR+ being REC0001 -> REC0002, and folder music2 includes the second media files music2_l.mp3 and music2_2.mp3 in a default order within music2 being music2_l.mp3 -> music2_2.mp3, the display apparatus 200 can establish the first mapping relationship as follows: a mapping between the first sequence number of 1 and the file path for the file REC0001, a mapping between the first sequence number of 2 and the file path for the file REC0002, a mapping between the first sequence number of 3 and the file path for the file music2_l.mp3, and a mapping between the first sequence number of 4 and the file path for the file music2_2.mp3. The display apparatus 200 can, in response to the second command indicating a selection of the second button 1201, store the first mapping relationship and can display the time-setting page shown in FIG. 19. The user can input the first time, such as 12:52 PM, in the first setting option 1901 and issue a save command using the save button 1902. The display apparatus 200 can, in response to the save command, set 12:52 PM as the start time for the playback target item. When the display apparatus 200 detects that the system time reaches 12:52 PM, it can automatically play the files in the REC0001 -> REC0002 -> music2_l.mp3 -> music2_2.mp3 sequence. Here, afterdetermining the media files to be played, the corresponding file paths can be determined based on the first mapping relationship, and the media files can be obtained accordingly.

[0183] Example 6

[0184] The user can schedule the playback of media files in different media folders.

[0185] Taking the file list page shown in FIG. 12 as an example, the user can double-click item PVR+ for selection, and after displaying the file list page after opening the folder PVR+, click item REC0001 for selection. Upon returning to the file list page shown in FIG. 12, the user can double-click item music2 for selection, and after displaying the file list page after opening the folder music2, click item music2_2.mp3 for selection. The display apparatus 200 can establish the first mapping relationship as follows: a mapping between the first sequence number of 1 and the file path for the file REC0001, and a mapping between the first sequence number of 2 and the file path for the file music2_2.mp3. The display apparatus 200 can, in response to a second command indicating a selection of the second button 1201, store the first mapping relationship and can display the time-setting page shown in FIG. 19. The user can input the first time, such as 12:52 PM, in the first setting option 1901 and issue a save command using the save button 1902. The display apparatus 200 can, in response to this save command, set 12:52 PM as the start time for the playback target item. When the display apparatus 200 detects that the system time reaches 12:52 PM, it can automatically play the files in the REC0001 -> music2_2.mp3 sequence. After determining the media files to be played, the corresponding file paths can be determined based on the first mapping relationship, and the media files can be obtained accordingly.

[0186] Example 7

[0187] The user can schedule the playback of a media folder and a media file not in that media folder.

[0188] Taking the file list page shown in FIG. 12 as an example, the user can sequentially click items in a videol.mp4 -> PVR+ sequence. If folder PVR+ includes the second media files, such as files REC0001 and REC0002 in a default order within the folder PVR+ being REC0001 -> REC0002, the display apparatus 200 can establish the first mapping relationship as follows: a mapping between the first sequence number of 1 and the file path for the file videol.mp4, amapping between the first sequence number of 2 and the file path for the file REC0001, and a mapping between the first sequence number of 3 and the file path for the file REC0002. The display apparatus 200 can, in response to the second command indicating a selection of the second button 1201, store the first mapping relationship and can display the time-setting page shown in FIG. 19. The user can input the first time, such as 12:52 PM, in the first setting option 1901 and issue a save command using the save button 1902. The display apparatus 200 can, in response to the save command, set 12:52 PM as the start time for the playback target item. When the display apparatus 200 detects that the system time reaches 12:52 PM, it can automatically play the files in the videol.mp4 -> REC0001 -> REC0002 sequence. After determining the media files to be played, the corresponding file paths can be determined based on the first mapping relationship, and the media files can be obtained accordingly.

[0189] Example 8

[0190] The user can schedule the playback of a media folder and a media files not in that folder.

[0191] Taking the file list page shown in FIG. 12 as an example, the user can double-click item PVR+ for selection, and after displaying the file list page after opening the folder PVR+, single-click item REC0002 for selection. Upon returning to the file list page shown in FIG. 12, the user can sequentially click to select items in a music2 -> PVR+ sequence. If folder PVR+ includes the second media files, such as files REC0001 and REC0002, and music2 includes the second media files music2_l.mp3 and music2_2.mp3 in a default order within the folder music2 being music2_l.mp3 -> music2_2.mp3, the display apparatus 200 can establish the first mapping relationship as follows: a mapping between the first sequence number of 1 and the file path of for the file REC0002, a mapping between the first sequence number of 2 and the file path for the file music2_l.mp3, a mapping between the first sequence number of 3 and the file path for the file music2_2.mp3, and a mapping between the first sequence number of 4 and the file path for the file REC0001. The display apparatus 200 can, in response to the second command indicating a selection of the second button 1201, store the first mapping relationship and can display the time-setting page shown in FIG. 19. The user can input the first time, such as 12:52 PM, in the first setting option 1901 and issue a save command using the save button 1902. Thedisplay apparatus 200 can, in response to the save command, set 12:52 PM as the start time for the playback target items. When the display apparatus 200 detects that the system time reaches 12:52 PM, it can automatically play the files in the REC0002 -> music2_l.mp3 -> music2_2.mp3 -> REC0001 sequence. Here, after determining the media file to be played, the corresponding file path can be determined based on the first mapping relationship, and the media file can be obtained accordingly.

[0192] In some embodiments, if the user selects both a media folder and a second media file within that folder, all second media files within the folder can be played based on the first sequence number of the user selecting the folder. When playing all second media files, the separately selected second media file can be given priority for playing. If the user selects multiple second media files, the selected second media files can be played in an order of selection.

[0193] Example 9

[0194] Taking the file list page shown in FIG. 12 as an example, the user can double-click item PVR+ for selection, and after displaying the file list page after opening the folder PVR+, single-click item REC0002 for selection. Upon returning to the file list page shown in FIG. 12, the user can sequentially click to select items in a music2 -> PVR+ sequence. The display apparatus 200 can establish the first mapping relationship as follows: a mapping between the first sequence number of 1 and the file path for file music2_l.mp3, a mapping between the first sequence number of 2 and the file path for file music2_2.mp3, a mapping between the first sequence number of 3 and the file path for file REC0002, and a mapping between the first sequence number of 4 and the file path for file REC0001. The display apparatus 200 can, in response to the second command indicating a selection of the second button 1201, store the first mapping relationship and can display the time-setting page shown in FIG. 19. The user can input the first time, such as 12:52 PM, in the first setting option 1901 and issue a save command using the save button 1902. The display apparatus 200 can, in response to this save command, set 12:52 PM as the start time for the playback target item. When the display apparatus 200 detects that the system time reaches 12:52 PM, it can automatically play the items in a music2_l.mp3 -> music2_2.mp3 -> REC0002 -> REC0001 sequence. Here, afterdetermining the media file to be played, the corresponding file path can be determined based on the first mapping relationship, and the media file can be obtained accordingly.

[0195] In some embodiments, the time-setting page can also include a second setting option for setting an end time of the playback for the target item.

[0196] Taking the time-setting page shown in FIG. 19 as an example, the time-setting page can also include a second setting option 1904.

[0197] The display apparatus 200 can follow the process shown in FIG. 22 to play the target item, with the specific steps as follows.

[0198] S2201: after the user inputs a second time via the second setting option, in response to a save command from the user, setting the second time as an end time for the playback of the target item(s).

[0199] Taking the time-setting page shown in FIG. 19 as an example, if the user inputs the second time, such as 1:52 PM, in the second setting option 1904 and issues a save command using the save button 1902, the display apparatus 200 can set the end time of the playback of the target item to 1:52 PM.

[0200] S2202: in response to detecting that the system time reaches the second time, terminating the playback of the target item(s).

[0201] While the display apparatus 200 is playing the target item, in response to detecting that the system time reaches the second time, it can terminate the playback of the target item.

[0202] In some embodiments, the time-setting page can further include a third setting option for configuring a playback mode of the target item. The playback mode can include single playback (playing the target item only once) or periodic loop playback (repeatedly playing the target item based on a specified period).

[0203] Referring to the time-setting page shown in FIG. 19, the page can further include a third setting option 1905. The third setting option 1905 may include a "Repeat" button and buttons for days of the week (e.g., Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday). The "Repeat" button may feature a drop-down menu including playback modes, such as: a Once mode which indicates single playback, a Daily mode which indicates periodicplayback with a period of one day, and a Weekly mode which indicates periodic playback with a period of one week. The user can set the playback mode using the "Repeat" button. If the playback mode is not set to "Daily," the user can configure the day of the week for playback using the day buttons. For example, if the user selects "Sunday," the target item can only be played on Sundays.

[0204] The display apparatus 200 can follow the process shown in FIG. 23 to play the target item, with the specific steps as follows.

[0205] S2301: after the user inputs a playback mode via the third setting option, in response to a save command, the display apparatus recording the playback mode.

[0206] Taking the time-setting page shown in FIG. 19 as an example, if the user selects the playback mode "Weekly" through the "Repeat" button, chooses the desired playback day (e.g., "Sunday") using the day buttons, and enters a save command using the save button 1902, the display apparatus 200 can set the loop mode of the target item to "Weekly" and the playback day to "Sunday."

[0207] When the display apparatus 200 terminates the playback of the target item, based on the playback mode, it can determine whether to terminate the timed media playback task.

[0208] S2302: based on that the playback mode is a once playback mode, deleting a timed playback record of the target item after the playback of the target item ends.

[0209] When the display apparatus 200 detects that the system time reaches the second time, it can terminate the current playback of the target item. If the playback mode is determined to be a once playback mode, the timed playback media task can be terminated, and in this case, the timed playback record of the target item can be deleted, even if the target item has not been fully played.

[0210] S2303: based on that the playback mode is a periodic loop playback mode, recording a playback position of the target item at an end of a current cycle, in the next cycle, resuming the playback of the target item from the recorded playback position when the system time reaches a first time.

[0211] When the display apparatus 200 detects that the system time reaches the second time, it can terminate the current playback of the target item. After the playback mode is determined to be the periodic playback mode, a current playback is considered to be within the current cycle. The playback position of the target project in the current cycle can be recorded, and in the next cycle, playback resumes from the recorded playback position when the system time reaches the first time. After the target item has been fully played, the timed playback record of the target item can be deleted.

[0212] Taking the parameters on the time-setting page shown in FIG. 19 as an example, the display apparatus 200 can start playing the target item at 12:52 PM every Sunday, end playback at 1:52 PM, and record a playback position of the target item. Playback resumes from the recorded playback position at 12:52 PM on next Sunday.

[0213] In some embodiments, as shown in FIG. 10, the display apparatus 200 can configure a timing list option for the first button. The timing list option allows the user to access a timed playback record page, which can include all timed playback records. The timed playback record page can be referred to as shown in FIG. 24.

[0214] Embodiment II

[0215] Based on the timed media playback feature, the display apparatus 200 can facilitate the scheduled playback of media resources provided by a third-party application.

[0216] The display apparatus 200 can schedule the playback of a media resource provided by a third-party application according to the process shown in FIG. 25. The specific steps are as follows.

[0217] S2501: after enabling the timed media playback feature, in response to a second control command from the user, displaying a user interface of the third-party application.

[0218] The user can input the second control command by clicking an icon of the third- party application.

[0219] S2502: in response to a third control command, displaying a timing button on the user interface.

[0220] The user can input the third control command using a designated button on the control device 100, such as a settings button or menu button.

[0221] The display apparatus 200, in response to the third control command, can display the timing button on the user interface.

[0222] In some embodiments, the display apparatus 200 may display a standalone timing button.

[0223] In some embodiments, the display apparatus 200 may display the timing button in the settings menu, shortcut menu, toolbar, or other locations.

[0224] As shown in the user interface of the third-party application in FIG. 26, the display apparatus 200, in response to the third control command, can display the shortcut menu 2601 and the timing button 2602 within this shortcut menu.

[0225] S2503: in response to a third command indicating a selection of the timing button, displaying the media resource selection page on the user interface.

[0226] The user can input the third command to the display apparatus 200 by selecting the timing button. The display apparatus 200, in response to this third command, can display the media resource selection page on the user interface.

[0227] The media resource selection page can include first media resource(s) that support scheduled playback and a third button. The first media resources may include audio resources, video resources, image resources, etc., which can be media resources pre-collected by the user. The third button serves as an entry to the time-setting page.

[0228] As shown in FIG. 27, if the first media resources supported by the third-party application include resources moviel, movie2, movie3, musicl, and music2, then these can be displayed on the media resource selection page. The media resource selection page can also include the third button 2701.

[0229] S2504: after the user selects a target media resource among the first media resources based on a second sequence number, in response to a fourth command indicating a selection of the third button, storing a second mapping relationship between the second sequence number and a link of the target media resource, and displaying the time-setting page on the user interface.

[0230] The second sequence number can correspond to a sequence number in which the user wants to play the media resource.

[0231] The display apparatus 200, in response to a command indicating a selection of the target media resource, can obtain the link of the target media resource, such as a Uniform Resource Locator (URL). In some embodiments, if the first media resource is a pre-collected media resource, the display apparatus 200 can automatically collect the URL of the first media resource when it collects the first media resource, allowing the apparatus to directly obtain the collected URL of the target media resource.

[0232] The process by which the display apparatus 200 can establish the second mapping relationship between the second sequence number and the link of the target media resource can refer to steps S1301-S1302, and the process of storing the second mapping relationship can refer to steps S903, which will not be detailed here.

[0233] The time-setting page displayed on the user interface of the display apparatus 200 can refer to FIG. 19, which will not be detailed here.

[0234] S2505: based on a third time set by the user via the time-setting page, setting the third time as a start time for playing the target media resource.

[0235] S2506: upon detecting that the system time reaches the third time, playing the target media resource seamlessly according to the second sequence number and based on the second mapping relationship.

[0236] Steps S2505-S2506 can refer to steps S904-S905, S2001-S2002, which will not be detailed here. The display apparatus 200 can obtain the corresponding target media resource based on the link determined through the second mapping relationship.

[0237] In some embodiments, the time-setting page may also include a second setting option and a third setting option. The process by which the display apparatus 200 schedules the playback of the target media resource based on user settings for the second and third setting opinions can refer to steps S2201-S2202, S2301-S2303, which will not be detailed here.

[0238] Embodiment III

[0239] Based on embodiment I or embodiment II, the display apparatus 200 can further be configured to provide a pause during startup feature while automatically playing the target item.

[0240] The pause during startup feature provided by the display apparatus 200 can be described in conjunction with FIG. 28.

[0241] When the display apparatus 200 detects that the system time reaches the first time, it can automatically wake up. The Ul module can obtain the total number (N) of media files to be played and initialize the loop parameter i=l. The Ul module can send a command to play the i-th media file, and the relevant module can begin processing the playback of the i-th media file. Whether i=l can be determined, that is, whether it is the first one of media files for playing this time can be determined. If i=l, playback can be paused, awaiting a command to resume playback of the i-th media file from the user. If i>l, the i-th media file can be played normally. After playback of the i-th media file ends, whether i>N can be determined. If i>N, the scheduled playback process can be terminated. If i<N, the loop parameter i can be incremented by 1, and the process can be returned to executing the command to play the i-th media file again.

[0242] In some embodiments, the process for the pause during startup feature provided by the display apparatus 200 (shown in FIG. 28) proceeds as follows:S2801: the display apparatus determines whether a scheduled time has been reached, and if yes, proceeding to S2802, otherwise, returning to S2801;S2802: the display apparatus automatically wakes up;S2803: the Ul module obtains a total number N of media files and initializes the loop parameter i=l;S2804: the Ul module sends a command to play the i-th media file;S2805: the relevant module begins playing the i-th media file;S2806: determining whether i=l, and if yes, proceeding to S2807, otherwise, proceeding to S2809;S2807: pausing the playback, and waiting for the user to confirm playback;S2808: receiving a command for confirming playback from the user by pressing the "OK" button on the remote control;S2809: playing the i-th media file;S2810: determining whether the i-th media file has finished playing, and if yes, proceeding to S2811, otherwise, returning to S2809;S2811: determining whether i>N, and if yes, terminating the process, otherwise, proceeding to S2812; andS2812: incrementing the loop parameter i by 1.

[0243] As such, in the current scheduled playback process, if the first media file starts to be played, playback can be paused, and whether to begin playback actually can be determined by the user. Playback can resume for all target items only after user's confirmation, preventing scheduled playback from interfering with the user's current use of the display apparatus 200.

[0244] Embodiment IV

[0245] The display apparatus 200 can provide a scheduled playback function for recording files based on the PVR application. Based on this feature, users can schedule the playback of recording files.

[0246] If a user wishes to record a current program, the user can input a fourth control command to the display apparatus 200. In response to the fourth control command, the display apparatus 200 can display a page for schedule recording (Schedule Recording). This page can include an option for timing setting and can refer to the page for schedule recording shown in FIG. 29. The user can input a command to the display apparatus 200 by selecting the option for timing setting, and the display apparatus 200, in response, can display a time-setting page, which can refer to FIG. 19. Using the time-setting page, the user can set parameters for scheduled playback of the recording file, such as start time, end time, playback mode, playback days of the week, etc. Specific details can refer to embodiment I, which are not elaborated here.

[0247] Users can input a fifth control command to the display apparatus 200. In response to the fifth control command, the display apparatus 200 can display a recording file list page, which can include all the recording files currently available, as shown in FIG. 30. The recording file list page may also include a timing button, such as the timing button 3001 in FIG. 30. After selecting the desired recording files for scheduled playback, the user can open the time-setting page by selecting the timing button. For example, if the user wants to schedule the playback of the files REC0001 and REC0002, the user can select these files and then select thetiming button 3001. The order in which the user selects the recording files determines the subsequent playback order. The display apparatus 200 can then display the time-setting page, which can refer to FIG. 19. Based on this page, the user can set parameters such as start time, end time, playback mode, and playback days of the week for the selected recording files. Specific details can refer to embodiment I, which are not elaborated here.

[0248] The display apparatus can be equipped with a recording feature, such as a Personal Video Recorder (PVR) function. Using this feature, the user can record a program that he / she wishes to watch again. The display apparatus can write a recording file into an inserted disk. If the user wishes to watch the recording file, the display apparatus can import the recording file from the disk into a local database and play it.

[0249] If the user wants to change the display apparatus to another one, the user can disconnect the disk from the original display apparatus and insert it to a new apparatus. While the new apparatus plays the recording files from the disk, it can import the recording file into its local database. However, for file security, a display apparatus can only play a recording file recorded locally. Thus, the new apparatus cannot properly play the recording file recorded on the original apparatus.

[0250] In some embodiments, the display apparatus 200 can connect with a disk via the external device interface 240. The disk can be used for storing recording files. After the disk is inserted into the display apparatus 200, the display apparatus 200 can enable the recording feature (e.g., PVR feature) in response to a control command, and record a currently playing program in response to a recording command from the user, generating a recording file. The apparatus can write the recording file onto the disk. If the user wishes to view the recording file, the display apparatus 200 can import the recording file from the disk into the local database and display a recording file list, including the recording files in the local database. The display apparatus can, in response to a command for playing a target recording file, play the target recording file.

[0251] In some embodiments, the display apparatus 200 can be configured to automatically import the recording file into the local database after recording. In this way, there is no need for the user to manually import the recording file into the local database.

[0252] In some embodiments, the display apparatus 200 can be configured to automatically import the recording file into the local database after recording. If the disk is removed from the display apparatus 200, or the playback of the recording file in the local database is finished, or the recording file has been stored in the local database for a preset time length, or after the display apparatus is powered off, the recording file can be deleted from the local database. After the display apparatus connects with the disk again, the recording file in the disk needs to be imported into the local database.

[0253] In some embodiments, the display apparatus can be configured to not automatically import the recording file into the local database after obtaining the recording file recorded by the display apparatus. If the user wants to play the recording file, the user must manually import the recording file into the local database for play.

[0254] If the user wants to change the display apparatus to another one (e.g., as described in FIGS. 1, 3, and 4), the user can disconnect a disk from the original display apparatus and insert it to the new display apparatus. When the user use new display apparatus to play the recording file in the disk, the new display apparatus can import the recording file into its local database and display a recording file list. The recording file list can include a recording file that has been imported into the local database. However, due to security constraints, the display apparatus typically can play the recording file recorded on itself, but cannot play recording files not recorded on itself, resulting in playback failures in the new display apparatus for the recording file recorded on the original display apparatus, which may significantly impact user experience.

[0255] The terms "original display apparatus" and "replacement display apparatus" are relative. For a same disk, the original display apparatus refers to a display apparatus that initially connecting with the disk, while the replacement display apparatus refers to a display apparatus currently connecting with the disk. If the disk is transferred to another display apparatus, the above described replacement display apparatus becomes an original display apparatus, and a new display apparatus becomes a replacement display apparatus. In this application, for clear description, the replacement display apparatus is referred to as a first display apparatus, and the original display apparatus is referred to as a second displayapparatus. Both display apparatuses can refer to the display apparatus 200 as described in FIGS.1, 3, and 4.

[0256] To overcome the issues mentioned above, the application provides a first display apparatus. Based on the operating system shown in FIG. 4, the first display apparatus is equipped with the system architecture shown in FIG. 5, which is related to synchronizing recording. The BIZ layer in the architecture may include a recording resource management module, recording data read / write module, recording message module, and recording file playback module. The recording resource management module can correspond to Model- TimerList and Model-TimerControl. The recording file playback module, the recording data read / write module, and the recording message module can correspond to Model-HDR.

[0257] The TV main layer may include a module for encryption / decryption of recording data, a recording message module, and a recording file playback module. The module for encryption / decryption of recording data can correspond to Metadata. The recording message module can correspond to HDRTask. The recording file playback module can correspond to HDRControl.

[0258] Based on the system architecture shown in FIG. 5, the first display apparatus can provide an import function after connecting with the disk, following the process shown in FIG. 31. The specific steps are as follows.

[0259] S6101: after detecting that the disk is in connection, the first display apparatus identifies whether the disk stores a recording file.

[0260] If the user wants to use a recording function on the first display apparatus, the user needs to insert a disk into the first display apparatus. This disk can be one that was used on another display apparatus, such as a second display apparatus, or a disk that has not been used on any other device.

[0261] Once the first display apparatus detects the inserted disk, it can identify whether the disk stores the recording file. The recording file can include a first recording file and / or a third recording file. The first recording file is recorded by the second display apparatus, while the third recording file is recorded by the first display apparatus.

[0262] In some embodiments, if the disk has been used on the second display apparatus, and the user has used the second display apparatus for recording, the disk can include the first recording file.

[0263] In some embodiments, if the disk has not been used on the second display apparatus, or if the disk has been used on the second display apparatus but the user does not use the second display apparatus for recording, then the disk may not include the first recording file.

[0264] In some embodiments, if the disk has been used on the first display apparatus, and the user has used the first display apparatus for recording, the disk can include the second recording file.

[0265] In some embodiments, if the disk has not been used on the first display apparatus, or if the disk has been used on the first display apparatus but the user does not use the first display apparatus for recording, then the disk may not include the second recording file.

[0266] The first display apparatus can be configured to provide an import function via an import application, which is used to import the recording file from the disk into a local database of the first display apparatus.

[0267] In some embodiments, the first display apparatus can be configured to provide an import button in a menu of the import application. This import button is used for the user to input an import command.

[0268] In some embodiments, the menu can be a list menu, a quick menu, a toolbar, etc.

[0269] In some embodiments, the first display apparatus can identify whether the disk stores the recording file before receiving a command to enter the menu from the user. For example, after detecting the insertion of the disk, the first display apparatus can identify whether the disk stores the recording file. The first display apparatus can identify whether the disk stores the recording file when or after the import application is opened.

[0270] In some embodiments, the first display apparatus can, in response to the command to enter the menu, identify whether the disk stores the recording file.

[0271] S6102: based on that the disk stores the recording file, displaying the import button, and setting the import button to be in an available state.

[0272] If the disk stores the first recording file and / or the second recording file, it can be determined that the disk stores the recording file.

[0273] After determining that the disk stores the recording file, the first display apparatus can display the import button and set the button to be in the available state to prompt the user that the recording file can be imported from the disk.

[0274] In some embodiments, the first display apparatus can display a menu in response to a control command from the user, and, upon confirming that the disk stores the recording file, can display an import button in the menu and set the import button to be in the available state. This allows the user to control the display apparatus to show the menu and, when the import button is available, input an import command to import the recording file.

[0275] In some embodiments, the first display apparatus can automatically pop up the menu, such as a quick menu, when it detects the insertion of the disk and identifies that the disk stores the recording file. The import button can be displayed in an available state, or the import button can be automatically popped up and displayed as available. This allows the display apparatus to proactively provide the import button to the user without searching for the import button step by step when the user wants to the recording file to be imported.

[0276] Refer to the menu of the import application shown in FIG. 32, if the first display apparatus identifies that the disk stores the recording file, the first display apparatus can display the import button 710 in the menu and the import button 710 is in an available state.

[0277] S6103: based on that there is no stored recording file, hiding the import button or display the import button in an unavailable state.

[0278] If the disk does not store the first or second recording file, it can be determined that the disk does not store the recording file.

[0279] When the first display apparatus displays the menu of the import application, if it identifies that the disk does not store the recording file, the import button can be hidden in the menu or displayed as unavailable, to prompt the user that there is no recording file in the disk and to avoid the user attempting to import file.

[0280] Taking displaying the import button in the menu as an example, as shown in FIG. 33, when the first display apparatus detects that the disk does not store recording files, it candisplay the import button in the menu, but the button is set to an unavailable state, such as grayed out.

[0281] In some embodiments, the first display apparatus can import the first recording file as shown in FIG. 34. The specific steps are as follows.

[0282] S9101: in response to an import command from the user, obtaining a first recording file from the disk. Here, the first recording file includes a first encryption key for video data, as well as a device ID and MAC address of the second display apparatus.

[0283] When displaying the import button, if the user wants to import the recording file from the disk, the user can input a command based on the import button to control the first display apparatus to display an import interface. The import interface may include a file list with the items of the first recording files in the disk. The import interface may also include a confirm button and a cancel button. The user can select the first recording file he / she wants to import and, by clicking the confirm button, input an import command to import the selected recording file.

[0284] The first display apparatus, in response to the import command, can obtain the first recording file from the disk (the selected first recording file).

[0285] The first recording file may include a first encryption key for video data. The video data is for a video corresponding to the first recording file. When recording video, the display apparatus can encrypt the recorded video data to ensure its security. The second display apparatus can use the first encryption key to encrypt the video data and save the video data along with the corresponding first encryption key in the first recording file.

[0286] In some embodiments, the second display apparatus can calculate the first encryption key using supported encryption and decryption algorithms based on the device ID and MAC address, and use the first encryption key to encrypt the first recording file, ensuring the security of the first recording file.

[0287] The second display apparatus can also calculate the decryption key using the device ID and MAC address and the encryption and decryption algorithm, and use this decryption key to decrypt the encrypted first recording file, allowing normal playback of the decrypted first recording file.

[0288] The encryption and decryption algorithm can also be used to restore the device ID and MAC address based on the encryption key.

[0289] The display apparatus is configured with supported encryption and decryption algorithms, where display apparatuses of the same brand support the same algorithms.

[0290] The first recording file may also include the device ID and MAC address of the second display apparatus.

[0291] The first recording file may also include thumbnail data for the first recording file, which is used to draw an item for the first recording file, such as an icon.

[0292] S9102: calculating a first device ID and first MAC address corresponding to the first encryption key, based on a supported first encryption and decryption algorithm.

[0293] The first display apparatus can support the first encryption and decryption algorithm.

[0294] The first display apparatus can use the first encryption and decryption algorithm to calculate the device ID and MAC address corresponding to the first encryption key, i.e., the first device ID and first MAC address.

[0295] S9103: based on that the first device ID matches a device ID of the second display apparatus and the first MAC address matches an MAC address of the second display apparatus, determining that the first recording file is the second recording file available for import, and obtain a first decryption key for the second recording file.

[0296] After the user sets up the import of recording data, the GUI can trigger the import application and notify the BIZ layer. The recording resource management module can inform the TV main layer's recording data encryption and decryption module to check if the first recording file can be imported.

[0297] If the first device ID matches the second display apparatus's device ID and the first MAC address matches the second display apparatus's MAC address, it indicates that the first display apparatus and the second display apparatus use the same encryption and decryption algorithm, thus confirming that the first and second display apparatuses are of the same brand.

[0298] Display apparatuses of the same brand support the same encryption and decryption algorithms. Therefore, based on the same device ID and MAC address, display apparatuses of the same brand can calculate the same decryption key. Based on this, the first display apparatus can use the device ID and MAC address of the second display apparatus to calculate the first decryption key using the first encryption and decryption algorithm. This first decryption key matches the decryption key used by the second display apparatus for the first recording file, meaning it is the decryption key for the first recording file. The first display apparatus can decrypt the encrypted first recording file with this first decryption key, allowing normal playback of the decrypted first recording file.

[0299] Since the first display apparatus can calculate the decryption key for the first recording file, it can decrypt and play the first recording file after importing it. Therefore, the first recording file can be confirmed as an importable recording file, i.e., the second recording file. The second recording file is a non-local recording that can be imported.

[0300] S9104: importing the second recording file and the first decryption key into the local database and displaying a recording file list, which includes an item for the second recording file.

[0301] The first display apparatus can import the second recording file and the first decryption key into the local database, allowing it to use the first decryption key to decrypt and play the second recording file.

[0302] The first display apparatus can also display the recording file list, which includes the item for the second recording file. This allows the user to determine which recording files can be played and control the playback of the recording file based on the corresponding item.

[0303] In some embodiments, the first display apparatus can display the recording file list following the process shown in FIG. 35, with the following specific steps.

[0304] S1001: obtaining thumbnail data for the second recording file.

[0305] If the recording data encryption and decryption module determines that the second recording file can be imported, the first display apparatus can notify the BIZ layer's recording data read and write module through the TV main layer's recording message module,providing the path to the thumbnail data of the second recording file to the GUI, and write the second recording file into the local database.

[0306] S1002: displaying the recording file list based on the thumbnail data of the second recording file. The recording file list can include the item for the second recording file, which includes the thumbnail of the second recording file.

[0307] The first display apparatus draws the item for the second recording file in the recording file list based on the thumbnail data, such as displaying the thumbnail of the second recording file. This allows the user to quickly identify the recording file he / she wants to play by browsing the thumbnails in the recording file list.

[0308] In some embodiments, based on S9102, if the first device ID does not match the second display apparatus's device ID and / or the first MAC address does not match the second display apparatus's MAC address, the first recording file is determined to be a fourth recording file which is unavailable for import. In other words, the first display apparatus cannot calculate the true decryption key for the first recording file and thus cannot decode and play the encrypted first recording file. The first display apparatus can be configured to display a prompt when the first recording file is determined to be the fourth recording file which is unavailable for import, notifying the user that the selected first recording file cannot be imported. Based on this, the recording file list displayed by the first display apparatus will not include the fourth recording file.

[0309] Example 10

[0310] Taking the disk including the first recording file, which are recording files a, b, and c as an example. If the user wants to import recording files from the disk, the user can control the first display apparatus to open the import application and display the menu via control device 100. As shown in FIG. 36®, when the first display apparatus detects that recording files are stored on the disk, it can display the import button in the menu and show the import button as available.

[0311] The user can input the first command based on the import button. In response to the first command, the first display apparatus can display the import interface as shown in FIG. 36@. The import interface can include items for recording files a, b, and c. The importinterface may also include a confirmation button and a cancel button. If the user wants to import recording files a and b, the user can select items for recording files a and b and input the import command based on the confirmation button. The first display apparatus can, in response to the import command, determine whether recording files a and b are importable, following steps S9101 to S9103.

[0312] Taking recording file a is an importable second recording file and recording file b is a non-importable fourth recording file as example, the first display apparatus can obtain the thumbnail data for recording file a and calculate a first decryption key for recording file a. The first display apparatus may display a message as shown in FIG. 36@, informing the user that recording file b cannot be imported. After displaying the message for a preset duration, the first display apparatus may automatically remove the message. Alternatively, the first display apparatus may remove the message in response to a return command from the user. After removing the message, the first display apparatus can display the recording file list as shown in FIG. 36@. The recording file list can include the item for recording file a, which may include the thumbnail for recording file a, and the first display apparatus can also import recording file a into the local database.

[0313] In some embodiments, if the disk stores the first recording file, the first display apparatus can import the first recording file according to the process shown in FIG. 37. The specific steps are as follows.

[0314] S1211: in response to a first command, obtaining a first recording file from the disk. This first recording file can include a first encryption key for video data, as well as a device identification ID and a media access control (MAC) address of the second display apparatus.

[0315] When displaying the import button, if the user wants to import a recording file from the disk, the user can input the first command based on the import button to instruct the first display apparatus to show the import interface.

[0316] Before displaying the import interface, the first display apparatus can first identify the second recording file which is importable in the first recording file(s). The process of obtaining the first recording file from the disk can refer to step S9101, which will not be elaborated here.

[0317] S1212 : calculating a first device ID and a first MAC address corresponding to the first encryption key, based on supported first encryption and decryption algorithm.

[0318] S1213: based on that the first device ID matches the second display apparatus's device ID and the first MAC address matches the second display apparatus's MAC address, determining that the first recording file is the second recording file which is importable.

[0319] Steps S1212-S1213 can refer to steps S9102-S9103, which will not be elaborated here.

[0320] S1214: displaying the import interface, which includes the item for the second recording file.

[0321] After determining that the second recording file is importable, the first display apparatus can display the import interface. The import interface can include a file list that includes the item for the importable second recording file.

[0322] In some embodiments, the file list may also include items for non-importable fourth recording files. The first display apparatus may display the item for the second recording file as selectable, while displaying the item for the fourth recording file as non-selectable. This allows the user to determine whether the corresponding recording files can be imported based on their status.

[0323] In this way, the user can accurately select the importable second recording file based on the file list.

[0324] S1215: in response to an import command input based on an item for a target second recording file, obtaining a first decryption key for the target second recording file, importing the target second recording file and the first decryption key for the target second recording file into the local database, and displaying the recording file list, which includes the item for the target second recording file.

[0325] The target second recording file refers to the recording file the user wants to import. After selecting the item for the target second recording file, the user can input the import command by pressing the confirmation button on control device 100 or in the import interface. The process of importing the target second recording file can refer to step S9104, which will not be elaborated here.

[0326] Example 11

[0327] Taking the disk including the first recording file, which includes recording files a, b, and c as example. If the user wants to import recording files from the disk, the user can control the first display apparatus to open the import application and display the menu, via control device 100. As shown in FIG. 38®, when detecting that recording files are stored on the disk, the first display apparatus can display the import button in the menu and shows the import button as available.

[0328] The user can input the first command based on the import button. In response to this first command, the first display apparatus can follow steps S9101 to S9103 to determine whether recording files a, b, and c are importable. Taking recording files a and c being importable second recording files and recording file b being a non-importable fourth recording file as example, the first display apparatus can display the import interface as shown in FIG. 38 ®. This import interface may include a file list, which includes items for recording files a, b, and c, as well as a confirmation button and a cancel button. Recording files a and c are displayed as selectable, while recording file b is displayed as non-selectable.

[0329] If the user wants to import recording files a and c, the user can select the items for recording files a and c through control device 100 and input the import command based on the confirmation button. The first display apparatus can, in response to this import command, obtain the thumbnail data for recording files a and c and calculate the first decryption key for both files. As shown in FIG. 38®, the first display apparatus can display the recording file list, which includes items for recording files a and c. The item for recording file a may include its thumbnail 1301, and the item for recording file c may include its thumbnail 1302. The first display apparatus can also import recording files a and c into the local database.

[0330] In some embodiments, the first display apparatus can import the second recording file into the local database and is configured to mark the second recording file as a first-type recording file. A first-type recording file is a recording file not recorded locally.

[0331] In some embodiments, the first display apparatus can mark the second recording file in the recording resource management module, such as by adding character(s), i.e., a character or a character string, corresponding to the first-type recording file to a designatedflag, such as an import flag. This import flag is used to indicate the type of the corresponding recording file. The recording file include first-type recording file and second-type recording file, where the first-type recording file is a recording file not recorded locally, and the second-type recording file is a recording file recorded locally. In some embodiments, character(s) like "1" or "true" may represent a first-type recording file, while character(s) "0" or "false" may represent a second-type recording file.

[0332] Taking the disk storing the third recording file as example, the first display apparatus can be configured to: in response to the import command, import the third recording file into the local database and display the recording file list, which includes an item for the third recording file.

[0333] In some embodiments, the first display apparatus follows the process shown in FIG. 39 to import the third recording file. The specific steps are as follows.

[0334] S1401: in response to the import command from the user, obtaining a third recording file from the disk.

[0335] If the user wants to import a recording file, the user can input the first command based on the import button in the menu. The first display apparatus can, in response to this first command, display the import interface, which includes a file list that includes the item for the third recording file. The user can input the import command based on the item for the third recording file he / she wants to import, and the first display apparatus can, in response to the import command, obtain the third recording file.

[0336] In some embodiments, the third recording file can include a second encryption key for the video data, as well as the device ID and MAC address of the first display apparatus.

[0337] S1402: importing the third recording file into the local database and displaying the recording file list, which includes the item for the third recording file.

[0338] Step S1402 can refer to step S9104, which will not be elaborated here. The first display apparatus has already stored the second decryption key for each third recording file, so there is no need to calculate the second decryption key again when importing the third recording file.

[0339] In some embodiments, the first display apparatus imports the third recording file into the local database and is configured to mark the third recording file as a second-type recording file. The second-type recording file is a recording file recorded locally.

[0340] In some embodiments, the first display apparatus can mark the third recording file in the recording resource management module, such as by adding a character corresponding to the second-type recording file to a designated flag, such as the import flag.

[0341] In some embodiments, if the disk includes the first and third recording files, the first display apparatus can first identify the first and third recording files during the import process. After identifying the first and third recording files, the first display apparatus can import them according to the corresponding methods mentioned above.

[0342] In some embodiments, the first display apparatus can compare the device ID and / or MAC address in the recording file with the local device ID and / or MAC address to distinguish between the first recording file and the third recording file.

[0343] In some embodiments, the first display apparatus can display the type of each recording file in the recording file list. For example, the first display apparatus may display a first identifier on the item for the second recording file to indicate that it is recorded not locally, and a second identifier on the item for the third recording file to indicate that it is recorded locally. As shown in FIG. 40, the recording file list includes recording files a and d. For example, recording file a, being a second recording file, carries the first identifier, such as the characters "non" (non-local), while recording file d, being a third recording file, carries the second identifier, such as the characters "local" (local). This allows the user to accurately determine whether the recording files are locally recorded by browsing the recording file list. Furthermore, if the first display apparatus is configured to automatically import the third recording file into the local database after it is recorded, the user can easily distinguish between imported recording files (second recording files) and non-imported recording files (third recording files) by browsing the recording file list.

[0344] In some embodiments, the first display apparatus can play the recording file according to the process shown in FIG. 41. The specific steps are as follows.

[0345] S1601 : in response to a playback command for playing a target recording file from the user, identifying a type of the target recording file.

[0346] In some embodiments, the user can input the playback command based on the recording file list displayed as described in steps S9104, S1215, or S1402.

[0347] In some embodiments, after the first display apparatus exiting the recording file list displayed in steps S9104, S1215, or S1402, if the user wants to play a recording file, he / she can control the first display apparatus to display the recording file list again. For example, the user can control the first display apparatus to open the import application and enter the recording file list via the menu.

[0348] The target recording file refers to the recording file the user wants to watch. The user can input the playback command based on an item for the target recording file in the recording file list.

[0349] The recording files include first-type recording file and second-type recording file.

[0350] The first display apparatus can follow the process shown in FIG. 42 to identify the type of the target recording file, as detailed below.

[0351] S1701: in response to the playback command, obtaining an import flag corresponding to the target recording file. This import flag is used to indicate the type of the target recording file.

[0352] S1702: based on the import flag, determining the type of the target recording file.

[0353] If an identifier carried by the import flag indicates a first-type recording file, the target recording file can be determined to be a first-type recording file.

[0354] If the identifier carried by the import flag indicates a second-type recording file, the target recording file can be determined to be a second-type recording file.

[0355] S1602: based on that the target recording file is a first-type recording file, obtaining the first decryption key and using the first decryption key to decrypt the target recording file, obtaining decrypted video data, and playing the decrypted video data.

[0356] S1603: based on that the target recording file is a second-type recording file, obtaining the second decryption key and use the second decryption key to decrypt the target recording file, obtaining the decrypted video data, and playing the decrypted video data.

[0357] The second decryption key is obtained using the first encryption and decryption algorithm, based on the device ID and MAC address of the first display apparatus.

[0358] In some embodiments, when playing the target recording file, the first display apparatus can notify the TV main layer's recording file playback module through the BIZ layer. The playback module can decrypt the target recording file using the video data encryption and decryption module and play the decrypted video data from the target recording file.

[0359] As such, the first display apparatus can use the correct decryption key to decrypt the recording file and guarantee that the recording file can be played correctly.

[0360] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above discussion in some embodiments is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Numerous modifications and variations may be obtained in light of the above teachings. The above embodiments are chosen and described in order to better explain the content of the application, so as to enable those skilled in the art to better utilize the embodiments.

Claims

What is claimed is:

1. A display apparatus, comprising: a display for display an image and / or a user interface; a communication device for communicating with a network; a user input interface for receiving an input signal; and at least one processor, connected with the display, the communication device and the user input interface, and configured to execute computer instructions to cause the display apparatus to: after enabling a timed media playback feature, in response to a first control command from a user, control the display to display a file list page, wherein the file list page comprises a first file, a folder and a first button, wherein a drop-down list of the first button comprises an option for timing setting; in response to a first command indicating a selection of the option for timing setting from the user, control the display to update the file list page, wherein the updated file list page comprises a first media file in the first file, a media folder in the folder, the first button comprising the option for timing setting and a second button, wherein the media folder comprises a second media file, and the first media file and the second media file comprise a recording file and / or a non-recording file; after the user selecting at least one target item from the first media file, the media folder and / or the second media file based on at least one first sequence number, in response to a second command indicating a selection of the second button from the user, store a first mapping relationship between the at least one first sequence number and at least one file path for the at least one target item, and control the display to show a time-setting page, wherein the time-setting page comprises a first setting option; after the user inputting a first time based on the first setting option, in response to a save command from the user, set the first time as a start time for playback of the at least one target item;in response to detecting that a system time reaches the first time, according to the first sequence number, play the at least one target item seamlessly based on the first mapping relationship.

2. The display apparatus of claim 1, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: in response to the first command, identify a file format of the first file and a file format of a second file in the folder; determine the first file in a media file format as the first media file, and determine the folder comprising the second file in the media file format as the media folder; control the display to update the file list page, and display the first media file and the media folder in the updated file list page.

3. The display apparatus of claim 2, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: add at least one indicator onto an icon of the media folder, wherein the at least one indicator corresponds to at least one file format of at least one second file in the media folder, wherein an indicator of the second media file is displayed with priority.

4. The display apparatus of claim 1, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: in response to a command indicating a selection of the at least one target item from the user, obtain the at least one first sequence number for selecting the at least one target item, and obtain the at least one file path for the at least one target item; establish the first mapping relationship between the at least one first sequence number of the at least one target item and the at least one file path for the at least one target item.

5. The display apparatus of claim 4, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: in response to a command indicating a removal of a selection of a first item from the at least one target item from the user, delete a sequence number corresponding to the first item from the first sequence number, and resort a sequence number of a second item after the first item in the first sequence number, to obtain an updated first sequence number.

6. The display apparatus of claim 1, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: determine a target item for play currently based on the first sequence number; according to the first mapping relationship, obtain and play the target item for play currently; wherein based on that the target item for play currently is the media folder, while playing the target item for play currently, the second media file is played based on a sequence number in which the second media file is placed in the media folder.

7. The display apparatus of claim 1, wherein the time-setting page further comprises a second setting option, and the at least one processor is further configured to execute computer instructions to cause the display apparatus to: after the user inputting a second time based on the second setting option, in response to a save command from the user, set the second time as an end time for playback of the at least one target item; while playing the at least one target item seamlessly based on the first mapping relationship according to the at least one first sequence number in response to detecting that the system time reaches the first time, the at least one processor is further configured to execute computer instructions to cause the display apparatus to: in response to detecting that the system time reaches the second time, terminate the playback of the at least one target item.

8. The display apparatus of claim 7, wherein the time-setting page further comprises a third setting option, and the at least one processor is further configured to execute computer instructions to cause the display apparatus to: after the user inputting a playback mode based on the third setting option, in response to a save command from the user, store the playback mode; while terminating the playback of the at least one target item in response to detecting that the system time reaches the second time, the at least one processor is further configured to execute computer instructions to cause the display apparatus to:based on that the playback mode is an once playback mode, delete a timed playback record of the target item after the playback of the target item ends; based on that the playback mode is a periodic loop playback mode, store a playback position of the target item at an end of a current cycle, and in a next cycle, resume the playback of the target item from the recorded playback position when the system time reaches the first time.

9. The display apparatus of claim 1, wherein the at least one processor is further configured to execute computer instructions to cause the display apparatus to: after enabling the timed media playback feature, in response to a second control command from the user, control the display to show a user interface of a third party application; in response to a third control command from the user, control the display to display a timing button on the user interface; in response to a third command indicating a selection of the timing button from the user, control the display to show a media resource selection page on the user interface, wherein the media resource selection page comprises a first media resource supporting scheduled playback and a third button; after the user selecting a target media resource from the first media resource based on a second sequence number, in response to a fourth command indicating a selection of the third button from the user, store a second mapping relationship between the second sequence number and a link of the target media resource, and control the display to show the timesetting page on the user interface; according to a third time set by the user based on the time-setting page, set the third time as a start time for playback of the target media resource; in response to detecting that the system time reaches the third time, according to the second sequence number, play the target media resource seamlessly based on the second mapping relationship.

10. The display apparatus of claim 1, further comprising an external device interface configured for connecting a disk, wherein the disk is configured to store a recording file;wherein the display apparatus is a first display apparatus, and the at least one processor is further configured to execute computer instructions to cause the first display apparatus to: in response to an import command from the user, obtain a first recording file from the disk, wherein the first recording file is recorded on a second display apparatus, the first recording file comprises a first encryption key of video data, and a device ID and a media access control (MAC) address of the second display apparatus; calculate a first device ID and a first MAC address corresponding to the first encryption key, based on a supported first encryption and decryption algorithm; based on that the first device ID matches the device ID of the second display apparatus and the first MAC address matches the MAC address of the second display apparatus, determine that the first recording file is a second recording file which is importable, and obtain a first decryption key of the second recording file; and import the second recording file and the first decryption key of the second recording file into a local database, and control the display to show a recording file list, wherein the recording file list comprises an item for the second recording file.

11. A method for a display apparatus, comprising: after enabling a timed media playback feature, in response to a first control command from a user, controlling a display of the display apparatus to display a file list page, wherein the file list page comprises a first file, a folder and a first button, wherein a drop-down list of the first button comprises an option for timing setting; in response to a first command indicating a selection of the option for timing setting from the user, controlling the display to update the file list page, wherein the updated file list page comprises a first media file in the first file, a media folder in the folder, the first button comprising the option for timing setting and a second button, wherein the media folder comprises a second media file, and the first media file and the second media file comprise a recording file and / or a non-recording file; after the user selecting at least one target item from the first media file, the media folder and / or the second media file based on at least one first sequence number, in response to a second command indicating a selection of the second button from the user, storing a firstmapping relationship between the at least one first sequence number and at least one file path for the at least one target item, and controlling the display to show a time-setting page, wherein the time-setting page comprises a first setting option; after the user inputting a first time based on the first setting option, in response to a save command from the user, setting the first time as a start time for playback of the at least one target item; in response to detecting that a system time reaches the first time, according to the first sequence number, playing the at least one target item seamlessly based on the first mapping relationship.

12. The method of claim 11, further comprising: in response to the first command, identifying a file format of the first file and a file format of a second file in the folder; determining the first file in a media file format as the first media file, and determining the folder comprising the second file in the media file format as the media folder; controlling the display to update the file list page, and displaying the first media file and the media folder in the updated file list page.

13. The method of claim 12, further comprising: adding at least one indicator onto an icon of the media folder, wherein the at least one indicator corresponds to at least one file format of at least one second file in the media folder, wherein an indicator of the second media file is displayed with priority.

14. The method of claim 11, further: in response to a command indicating a selection of the at least one target item from the user, obtaining the at least one first sequence number for selecting the at least one target item, and obtaining the at least one file path for the at least one target item; establishing the first mapping relationship between the at least one first sequence number of the at least one target item and the at least one file path for the at least one target item.

15. The method of claim 14, further comprising:in response to a command indicating a removal of a selection of a first item from the at least one target item from the user, deleting a sequence number corresponding to the first item from the first sequence number, and resorting a sequence number of a second item after the first item in the first sequence numbers to obtain an updated first sequence number.

16. The method of claim 11, further comprising: determining a target item for play currently based on the first sequence number; according to the first mapping relationship, obtaining and playing the target item for play currently; wherein based on that the target item for play currently is the media folder, while playing the target item for play currently, the second media file is played based on a sequence number in which the second media file is placed in the media folder.

17. The method of claim 11, wherein the time-setting page further comprises a second setting option, and the method further comprises: after the user inputting a second time based on the second setting option, in response to a save command from the user, setting the second time as an end time for playback of the at least one target item; the playing the at least one target item seamlessly based on the first mapping relationship according to the at least one first sequence number in response to detecting that the system time reaches the first time, comprises: in response to detecting that the system time reaches the second time, terminating the playback of the at least one target item.

18. The method of claim 17, wherein the time-setting page further comprises a third setting option, and the method further comprises: after the user inputting a playback mode based on the third setting option, in response to a save command from the user, storing the playback mode; the terminating the playback of the at least one target item in response to detecting that the system time reaches the second time further comprises : based on that the playback mode is an once playback mode, deleting a timed playback record of the target item after the playback of the target item ends;based on that the playback mode is a periodic loop playback mode, storing a playback position of the target item at an end of a current cycle, and in a next cycle, resuming the playback of the target item from the recorded playback position when the system time reaches the first time.

19. The method of claim 11, further comprising: after enabling the timed media playback feature, in response to a second control command from the user, controlling the display to show a user interface of a third party application; in response to a third control command from the user, controlling the display to display a timing button on the user interface; in response to a third command indicating a selection of the timing button from the user, controlling the display to show a media resource selection page on the user interface, wherein the media resource selection page comprises a first media resource supporting scheduled playback and a third button; after the user selecting a target media resource from the first media resource based on a second sequence number, in response to a fourth command indicating a selection of the third button from the user, storing a second mapping relationship between the second sequence number and a link of the target media resource, and controlling the display to show the timesetting page on the user interface; according to a third time set by the user based on the time-setting page, setting the third time as a start time for playback of the target media resource; in response to detecting that the system time reaches the third time, according to the second sequence number, playing the target media resource seamlessly based on the second mapping relationship.

20. The method of claim 11, wherein the display apparatus is a first display apparatus, and the method further comprises: in response to an import command from the user, obtaining a first recording file from a disk in connection with the first display apparatus via an external device interface, wherein the first recording file is recorded on a second display apparatus, the first recording file comprises afirst encryption key of video data, and a device ID and a media access control (MAC) address of the second display apparatus; calculating a first device ID and a first MAC address corresponding to the first encryption key, based on a supported first encryption and decryption algorithm; based on that the first device ID matches the device ID of the second display apparatus and the first MAC address matches the MAC address of the second display apparatus, determining that the first recording file is a second recording file which is importable, and obtaining a first decryption key of the second recording file; and importing the second recording file and the first decryption key of the second recording file into a local database, and controlling the display to show a recording file list, wherein the recording file list comprises an item for the second recording file.

Images