CN113382291A - Display device and streaming media playing method - Google Patents

Display device and streaming media playing method Download PDF

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Publication number
CN113382291A
CN113382291A CN202010158367.1A CN202010158367A CN113382291A CN 113382291 A CN113382291 A CN 113382291A CN 202010158367 A CN202010158367 A CN 202010158367A CN 113382291 A CN113382291 A CN 113382291A
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China
Prior art keywords
streaming media
target streaming
subtitle
display
target
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CN202010158367.1A
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Chinese (zh)
Inventor
王本强
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Hisense Visual Technology Co Ltd
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Hisense Visual Technology Co Ltd
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Priority to CN202010158367.1A priority Critical patent/CN113382291A/en
Publication of CN113382291A publication Critical patent/CN113382291A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H—ELECTRICITY
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
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    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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    • H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
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    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
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    • H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • H—ELECTRICITY
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4884—Data services, e.g. news ticker for displaying subtitles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content

Abstract

The application discloses a display device and a streaming media playing method, which comprises the following steps: a display and a controller, the controller configured to: sending a request for acquiring the description information of the target streaming media to a server; receiving target streaming media description information returned by a server, wherein the target streaming media description information carries a download address of a target streaming media caption; analyzing the received target streaming media description information to obtain a download address of the target streaming media caption; downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle; if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server; and when the target streaming media audio/video is played, controlling a display to display the corresponding target streaming media subtitle according to the playing progress of the target streaming media audio/video. According to the display device and the streaming media playing method, downloading of the streaming media subtitles is completed in advance, and the phenomena that subtitles are lost, out of order, jittered and the like when audio and video playing of the streaming media is carried out are effectively avoided.

Description

Display device and streaming media playing method
Technical Field
The present application relates to the field of display technologies, and in particular, to a display device and a streaming media playing method.
Background
With the popularization of networks, the demand for transmitting audio and video signals through networks is increasing. After the internet is accessed by media such as broadcast television and the like, the users also want to release own audio and video programs through the internet. However, audio and video files are generally quite bulky when stored. Under the condition that the network bandwidth is still limited, the transmission of an audio/video file is waited for dozens of minutes or even longer, which is not a headache. The appearance of the streaming media technology improves the situation that the internet is difficult to transmit audio and video to a certain extent.
The streaming media technology is mainly to store recorded audio and video files, such as movie files, on a streaming media server, and to forward the video information in a streaming manner in a form of streaming media service, so that the audio and video files are continuously and uninterruptedly transmitted from the server to a user computer, and a user can watch the files at the same time without waiting for the whole file to be completely downloaded, and can watch the files only after a start delay of several seconds or ten seconds. Usually, the streaming media file includes a subtitle file, and when the streaming media file is played, the subtitle file is also played in a streaming manner.
However, in use, it is found that, because the subtitle file is relatively small, when the subtitle text is sent in a normal real-time streaming manner, video, audio and subtitle are required to be synchronized simultaneously, so packet loss, disorder, jitter, delay and the like are easily generated in transmission, and further, synchronization influence caused by network packet loss, jitter and the like of the video, the audio and the subtitle is required to be processed simultaneously, so that the playing effect is poor.
Disclosure of Invention
The application provides a display device and a streaming media playing method, which are convenient for ensuring normal subtitle display during streaming media playing.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, the present application discloses a display device, comprising:
a display configured to display a play screen;
a controller for communicative connection with the display, the controller configured to:
responding to a received operation instruction of playing the target streaming media by a user, and sending a request for acquiring description information of the target streaming media to a server;
receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a download address of a target streaming media caption;
analyzing the received target streaming media description information to obtain a download address of the target streaming media caption;
downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle;
if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server;
and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
In a second aspect, the present application discloses a streaming media playing method, including:
responding to a received operation instruction of playing the target streaming media by a user, and sending a request for acquiring description information of the target streaming media to a server;
receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a download address of a target streaming media caption;
analyzing the received target streaming media description information to obtain a download address of the target streaming media caption;
downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle;
if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server;
and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
According to the display equipment and the streaming media playing method, when a controller receives an operation instruction of playing a target streaming media by a user, a request for acquiring description information of the target streaming media is sent to a server side; receiving target streaming media description information returned by a server terminal and analyzing the target streaming media description information to obtain a download address of a target streaming media subtitle; if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server; receiving target streaming media audio and video data returned by a server, controlling a display to play the target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video data when the target streaming media audio and video is played. According to the display device and the streaming media playing method, when the streaming media is played, downloading of the streaming media subtitles is completed in advance, and therefore the subtitles are effectively prevented from being lost, disordered, jittered and delayed when the streaming media is played in audio and video.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus;
fig. 2 is a block diagram schematically showing a configuration of the control apparatus 100 in fig. 1;
fig. 3 is a block diagram schematically illustrating a configuration of the display device 200 in fig. 1;
a block diagram of the architectural configuration of the operating system in the memory of the display device 200 is illustrated in fig. 4;
fig. 5 schematically illustrates a structural diagram of a streaming media playing method provided by an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to facilitate a user to display a target media asset detail page in different horizontal and vertical screen states of a display and to facilitate improvement of user viewing experience of a display device in different viewing states, embodiments of the present application provide a display device, a detail page display method, and a computer storage medium, where the display device is, for example, a rotating television. It should be noted that the method provided in this embodiment is not only applicable to the rotating television, but also applicable to other display devices, such as a computer, a tablet computer, and the like.
The term "module," as used in various embodiments of the present application, may refer to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.
The term "remote control" as used in the embodiments of the present application refers to a component of an electronic device (such as the display device disclosed in the present application) that is capable of wirelessly controlling the electronic device, typically over a short distance. The component may typically be connected to the electronic device using infrared and/or Radio Frequency (RF) signals and/or bluetooth, and may also include functional modules such as WiFi, wireless USB, bluetooth, motion sensors, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in the common remote control device with the user interface in the touch screen.
The term "gesture" as used in the embodiments of the present application refers to a user behavior used to express an intended idea, action, purpose, or result through a change in hand shape or an action such as hand movement.
The term "hardware system" used in the embodiments of the present application may refer to a physical component having computing, controlling, storing, inputting and outputting functions, which is formed by a mechanical, optical, electrical and magnetic device such as an Integrated Circuit (IC), a Printed Circuit Board (PCB) and the like. In various embodiments of the present application, a hardware system may also be generally referred to as a motherboard (motherboard) or a host chip or controller.
Fig. 1 is a schematic diagram illustrating an operation scenario between a display device and a control apparatus. As shown in fig. 1, the control apparatus 100 and the display device 200 may communicate with each other in a wired or wireless manner.
Among them, the control apparatus 100 is configured to control the display device 200, which may receive an operation instruction input by a user and convert the operation instruction into an instruction recognizable and responsive by the display device 200, serving as an intermediary for interaction between the user and the display device 200. Such as: the user operates the channel up/down key on the control device 100, and the display device 200 responds to the channel up/down operation.
The control device 100 may be a remote controller 100A, which includes infrared protocol communication or bluetooth protocol communication, and other short-distance communication methods, etc. to control the display apparatus 200 in a wireless or other wired manner. The user may input a user instruction through a key on a remote controller, voice input, control panel input, etc., to control the display apparatus 200. Such as: the user can input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right moving keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement the function of controlling the display device 200.
The control device 100 may also be an intelligent device, such as a mobile terminal 100B, a tablet computer, a notebook computer, and the like. For example, the display device 200 is controlled using an application program running on the smart device. The application program may provide various controls to a user through an intuitive User Interface (UI) on a screen associated with the smart device through configuration.
For example, the mobile terminal 100B may install a software application with the display device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. Such as: the mobile terminal 100B may be caused to establish a control instruction protocol with the display device 200 to implement the functions of the physical keys as arranged in the remote control 100A by operating various function keys or virtual buttons of the user interface provided on the mobile terminal 100B. The audio and video content displayed on the mobile terminal 100B may also be transmitted to the display device 200, so as to implement a synchronous display function.
The display apparatus 200 may provide a network television function of a broadcast receiving function and a computer support function. The display device may be implemented as a digital television, a web television, an Internet Protocol Television (IPTV), or the like.
The display device 200 may be a liquid crystal display, an organic light emitting display, a projection device. The specific display device type, size, resolution, etc. are not limited.
The display apparatus 200 also performs data communication with the server 300 through various communication means. Here, the display apparatus 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 300 may provide various contents and interactions to the display apparatus 200. By way of example, the display device 200 may send and receive information such as: receiving Electronic Program Guide (EPG) data, receiving software program updates, or accessing a remotely stored digital media library. The servers 300 may be a group or groups of servers, and may be one or more types of servers. Other web service contents such as a video on demand and an advertisement service are provided through the server 300.
Fig. 2 is a block diagram illustrating the configuration of the control device 100. As shown in fig. 2, the control device 100 includes a controller 110, a memory 120, a communicator 130, a user input interface 140, an output interface 150, and a power supply 160.
The controller 110 includes a Random Access Memory (RAM)111, a Read Only Memory (ROM)112, a processor 113, a communication interface, and a communication bus. The controller 110 is used to control the operation of the control device 100, as well as the internal components of the communication cooperation, external and internal data processing functions.
Illustratively, when an interaction of a user pressing a key disposed on the remote controller 100A or an interaction of touching a touch panel disposed on the remote controller 100A is detected, the controller 110 may control to generate a signal corresponding to the detected interaction and transmit the signal to the display device 200.
And a memory 120 for storing various operation programs, data and applications for driving and controlling the control apparatus 100 under the control of the controller 110. The memory 120 may store various control signal commands input by a user.
The communicator 130 enables communication of control signals and data signals with the display apparatus 200 under the control of the controller 110. Such as: the control apparatus 100 transmits a control signal (e.g., a touch signal or a button signal) to the display device 200 via the communicator 130, and the control apparatus 100 may receive the signal transmitted by the display device 200 via the communicator 130. The communicator 130 may include an infrared signal interface 131 and a radio frequency signal interface 132. For example: when the infrared signal interface is used, the user input instruction needs to be converted into an infrared control signal according to an infrared control protocol, and the infrared control signal is sent to the display device 200 through the infrared sending module. The following steps are repeated: when the rf signal interface is used, a user input command needs to be converted into a digital signal, and then the digital signal is modulated according to the rf control signal modulation protocol and then transmitted to the display device 200 through the rf transmitting terminal.
The user input interface 140 may include at least one of a microphone 141, a touch pad 142, a sensor 143, a key 144, and the like, so that a user can input a user instruction regarding controlling the display apparatus 200 to the control apparatus 100 through voice, touch, gesture, press, and the like.
The output interface 150 outputs a user instruction received by the user input interface 140 to the display apparatus 200, or outputs an image or voice signal received by the display apparatus 200. Here, the output interface 150 may include an LED interface 151, a vibration interface 152 generating vibration, a sound output interface 153 outputting sound, a display 154 outputting an image, and the like. For example, the remote controller 100A may receive an output signal such as audio, video, or data from the output interface 150, and display the output signal in the form of an image on the display 154, in the form of audio on the sound output interface 153, or in the form of vibration on the vibration interface 152.
And a power supply 160 for providing operation power support for each element of the control device 100 under the control of the controller 110. In the form of a battery and associated control circuitry.
A hardware configuration block diagram of the display device 200 is exemplarily shown in fig. 3. As shown in fig. 3, the display apparatus 200 may include a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a memory 260, a user interface 265, a video processor 270, a display 275, an audio processor 280, an audio output interface 285, and a power supply 290.
The tuner demodulator 210 receives the broadcast television signal in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, and resonance, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., EPG data).
The tuner demodulator 210 is responsive to the user selected frequency of the television channel and the television signal carried by the frequency, as selected by the user and controlled by the controller 250.
The tuner demodulator 210 can receive a television signal in various ways according to the broadcasting system of the television signal, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, a digital modulation mode or an analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to the different kinds of the received television signals.
In other exemplary embodiments, the tuning demodulator 210 may also be in an external device, such as an external set-top box. In this way, the set-top box outputs a television signal after modulation and demodulation, and inputs the television signal into the display apparatus 200 through the external device interface 240.
The communicator 220 is a component for communicating with an external device or an external server according to various communication protocol types. For example, the display apparatus 200 may transmit content data to an external apparatus connected via the communicator 220, or browse and download content data from an external apparatus connected via the communicator 220. The communicator 220 may include a network communication protocol module or a near field communication protocol module, such as a WIFI module 221, a bluetooth communication protocol module 222, and a wired ethernet communication protocol module 223, so that the communicator 220 may receive a control signal of the control device 100 according to the control of the controller 250 and implement the control signal as a WIFI signal, a bluetooth signal, a radio frequency signal, and the like.
The detector 230 is a component of the display apparatus 200 for collecting signals of an external environment or interaction with the outside. The detector 230 may include a sound collector 231, such as a microphone, which may be used to receive a user's sound, such as a voice signal of a control instruction of the user to control the display device 200; alternatively, ambient sounds may be collected that identify the type of ambient scene, enabling the display device 200 to adapt to ambient noise.
In some other exemplary embodiments, the detector 230, which may further include an image collector 232, such as a camera, a video camera, etc., may be configured to collect external environment scenes to adaptively change the display parameters of the display device 200; and the function of acquiring the attribute of the user or interacting gestures with the user so as to realize the interaction between the display equipment and the user.
In some other exemplary embodiments, the detector 230 may further include a light receiver for collecting the intensity of the ambient light to adapt to the display parameter variation of the display device 200.
In some other exemplary embodiments, the detector 230 may further include a temperature sensor, such as by sensing an ambient temperature, and the display device 200 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, the display apparatus 200 may be adjusted to display a color temperature of an image that is cooler; when the temperature is lower, the display device 200 may be adjusted to display a warmer color temperature of the image.
The external device interface 240 is a component for providing the controller 250 to control data transmission between the display apparatus 200 and an external apparatus. The external device interface 240 may be connected to an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.
The external device interface 240 may include: a High Definition Multimedia Interface (HDMI) terminal 241, a Composite Video Blanking Sync (CVBS) terminal 242, an analog or digital Component terminal 243, a Universal Serial Bus (USB) terminal 244, a Component terminal (not shown), a red, green, blue (RGB) terminal (not shown), and the like.
The controller 250 controls the operation of the display device 200 and responds to the operation of the user by running various software control programs (such as an operating system and various application programs) stored on the memory 260.
As shown in fig. 3, the controller 250 includes a Random Access Memory (RAM)251, a Read Only Memory (ROM)252, a graphics processor 253, a CPU processor 254, a communication interface 255, and a communication bus 256. The RAM251, the ROM252, the graphic processor 253, and the CPU processor 254 are connected to each other through a communication bus 256 through a communication interface 255.
The ROM252 stores various system boot instructions. When the display apparatus 200 starts power-on upon receiving the power-on signal, the CPU processor 254 executes a system boot instruction in the ROM252, copies the operating system stored in the memory 260 to the RAM251, and starts running the boot operating system. After the start of the operating system is completed, the CPU processor 254 copies the various application programs in the memory 260 to the RAM251 and then starts running and starting the various application programs.
And a graphic processor 253 for generating various graphic objects such as icons, operation menus, and user input instruction display graphics, etc. The graphic processor 253 may include an operator for performing an operation by receiving various interactive instructions input by a user, and further displaying various objects according to display attributes; and a renderer for generating various objects based on the operator and displaying the rendered result on the display 275.
A CPU processor 254 for executing operating system and application program instructions stored in memory 260. And according to the received user input instruction, processing of various application programs, data and contents is executed so as to finally display and play various audio-video contents.
In some example embodiments, the CPU processor 254 may comprise a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some initialization operations of the display apparatus 200 in the display apparatus preload mode and/or operations of displaying a screen in the normal mode. A plurality of or one sub-processor for performing an operation in a state of a standby mode or the like of the display apparatus.
The communication interface 255 may include a first interface to an nth interface. These interfaces may be network interfaces that are connected to external devices via a network.
The controller 250 may control the overall operation of the display apparatus 200. For example: in response to receiving a user input command for selecting a GUI object displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user input command.
Where the object may be any one of the selectable objects, such as a hyperlink or an icon. The operation related to the selected object is, for example, an operation of displaying a link to a hyperlink page, document, image, or the like, or an operation of executing a program corresponding to the object. The user input command for selecting the GUI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch panel, etc.) connected to the display apparatus 200 or a voice command corresponding to a voice spoken by the user.
A memory 260 for storing various types of data, software programs, or applications for driving and controlling the operation of the display device 200. The memory 260 may include volatile and/or nonvolatile memory. And the term "memory" includes the memory 260, the RAM251 and the ROM252 of the controller 250, or a memory card in the display device 200.
In some embodiments, the memory 260 is specifically used for storing an operating program for driving the controller 250 of the display device 200; storing various application programs built in the display apparatus 200 and downloaded by a user from an external apparatus; data such as visual effect images for configuring various GUIs provided by the display 275, various objects related to the GUIs, and selectors for selecting GUI objects are stored.
In some embodiments, memory 260 is specifically configured to store drivers for tuner demodulator 210, communicator 220, detector 230, external device interface 240, video processor 270, display 275, audio processor 280, etc., and related data, such as external data (e.g., audio-visual data) received from the external device interface or user data (e.g., key information, voice information, touch information, etc.) received by the user interface.
In some embodiments, memory 260 specifically stores software and/or programs representing an Operating System (OS), which may include, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. Illustratively, the kernel may control or manage system resources, as well as functions implemented by other programs (e.g., the middleware, APIs, or applications); at the same time, the kernel may provide an interface to allow middleware, APIs, or applications to access the controller to enable control or management of system resources.
A block diagram of the architectural configuration of the operating system in the memory of the display device 200 is illustrated in fig. 4. The operating system architecture comprises an application layer, a middleware layer and a kernel layer from top to bottom.
The application layer, the application programs built in the system and the non-system-level application programs belong to the application layer. Is responsible for direct interaction with the user. The application layer may include a plurality of applications such as a setup application, a post application, a media center application, and the like. These applications may be implemented as Web applications that execute based on a WebKit engine, and in particular may be developed and executed based on HTML5, Cascading Style Sheets (CSS), and JavaScript.
Here, HTML, which is called HyperText Markup Language (HyperText Markup Language), is a standard Markup Language for creating web pages, and describes the web pages by Markup tags, where the HTML tags are used to describe characters, graphics, animation, sound, tables, links, etc., and a browser reads an HTML document, interprets the content of the tags in the document, and displays the content in the form of web pages.
CSS, known as Cascading Style Sheets (Cascading Style Sheets), is a computer language used to represent the Style of HTML documents, and may be used to define Style structures, such as fonts, colors, locations, etc. The CSS style can be directly stored in the HTML webpage or a separate style file, so that the style in the webpage can be controlled.
JavaScript, a language applied to Web page programming, can be inserted into an HTML page and interpreted and executed by a browser. The interaction logic of the Web application is realized by JavaScript. The JavaScript can package a JavaScript extension interface through a browser, realize the communication with the kernel layer,
the middleware layer may provide some standardized interfaces to support the operation of various environments and systems. For example, the middleware layer may be implemented as multimedia and hypermedia information coding experts group (MHEG) middleware related to data broadcasting, DLNA middleware which is middleware related to communication with an external device, middleware which provides a browser environment in which each application program in the display device operates, and the like.
The kernel layer provides core system services, such as: file management, memory management, process management, network management, system security authority management and the like. The kernel layer may be implemented as a kernel based on various operating systems, for example, a kernel based on the Linux operating system.
The kernel layer also provides communication between system software and hardware, and provides device driver services for various hardware, such as: provide display driver for the display, provide camera driver for the camera, provide button driver for the remote controller, provide wiFi driver for the WIFI module, provide audio driver for audio output interface, provide power management drive for Power Management (PM) module etc..
A user interface 265 receives various user interactions. Specifically, it is used to transmit an input signal of a user to the controller 250 or transmit an output signal from the controller 250 to the user. For example, the remote controller 100A may transmit an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by the user to the user interface 265, and then the input signal is transferred to the controller 250 through the user interface 265; alternatively, the remote controller 100A may receive an output signal such as audio, video, or data output from the user interface 265 via the controller 250, and display the received output signal or output the received output signal in audio or vibration form.
In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on the display 275, and the user interface 265 receives the user input commands through the GUI. Specifically, the user interface 265 may receive user input commands for controlling the position of a selector in the GUI to select different objects or items.
Alternatively, the user may input a user command by inputting a specific sound or gesture, and the user interface 265 receives the user input command by recognizing the sound or gesture through the sensor.
The video processor 270 is configured to receive an external video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on the display 275.
Illustratively, the video processor 270 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.
The demultiplexing module is configured to demultiplex an input audio/video data stream, where, for example, an input MPEG-2 stream (based on a compression standard of a digital storage media moving image and voice), the demultiplexing module demultiplexes the input audio/video data stream into a video signal and an audio signal.
And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.
And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display.
The frame rate conversion module is configured to convert a frame rate of an input video, for example, convert a frame rate of an input 60Hz video into a frame rate of 120Hz or 240Hz, where a common format is implemented by using, for example, an interpolation frame method.
And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output an RGB data signal.
A display 275 for receiving the image signal from the video processor 270 and displaying the video content, the image and the menu manipulation interface. The display video content may be from the video content in the broadcast signal received by the tuner-demodulator 210, or from the video content input by the communicator 220 or the external device interface 240. The display 275, while displaying a user manipulation interface UI generated in the display apparatus 200 and used to control the display apparatus 200.
And, the display 275 may include a display screen assembly for presenting a picture and a driving assembly for driving the display of an image. Alternatively, a projection device and projection screen may be included, provided display 275 is a projection display.
The audio processor 280 is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing to obtain an audio signal that can be played by the speaker 286.
Illustratively, audio processor 280 may support various audio formats. Such as MPEG-2, MPEG-4, Advanced Audio Coding (AAC), high efficiency AAC (HE-AAC), and the like.
The audio output interface 285 is used for receiving an audio signal output by the audio processor 280 under the control of the controller 250, and the audio output interface 285 may include a speaker 286 or an external sound output terminal 287, such as an earphone output terminal, for outputting to a generating device of an external device.
In other exemplary embodiments, video processor 270 may comprise one or more chips. Audio processor 280 may also comprise one or more chips.
And, in other exemplary embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated with the controller 250 in one or more chips.
And a power supply 290 for supplying power supply support to the display apparatus 200 from the power input from the external power source under the control of the controller 250. The power supply 290 may be a built-in power supply circuit installed inside the display apparatus 200 or may be a power supply installed outside the display apparatus 200.
In the embodiment of the present application, the display device 200 may be used for playing streaming media. In order to avoid the occurrence of packet loss, disorder, jitter, delay and the like of the streaming subtitles when the display device 200 plays the streaming media, the present application provides a streaming media playing method. Fig. 5 is a structural flow chart of a streaming media playing method provided in an embodiment of the present application. As shown in fig. 5, a streaming media playing method provided in an embodiment of the present application includes:
s100: and responding to the received operation instruction of the user for playing the target streaming media, and sending a request for acquiring the description information of the target streaming media to the server.
When a user wants to play the streaming media through the display device 200, the user can select a target streaming media from any streaming media on the display device 200 by operating the control apparatus 100 to play. When the display device 200 receives an operation instruction of playing the target streaming media by the user, the controller sends a request for acquiring description information of the target streaming media to the server end in response to the received operation instruction of playing the target streaming media by the user. The request for obtaining the target streaming media description information is used for obtaining the target streaming media description information from the server side.
In the embodiment of the present application, the target streaming media description information includes target streaming media subtitle attribute information, and the subtitle attribute information includes a download address of a target streaming media subtitle, where the target streaming media subtitle attribute information format is title + subtitle download address. Further, the target streaming media subtitle attribute information also comprises a subtitle format, and further the target streaming media subtitle attribute information comprises a title, a subtitle format and a subtitle download address. For example, a subtitle srt http://192.168.1.2/sub. srt, where srt denotes the subtitle format. The subtitle format of the target streaming subtitle may be ass, srt, etc.
The format of the target streaming media description information provided by the embodiment of the application may be:
Figure BDA0002404895110000081
Figure BDA0002404895110000091
wherein a subtitle srt http://192.168.1.2/sub.srt and a subtitle ass http://192.1
Ass is subtitle attribute information of 68.1.2/sub.
Further, before sending a request for obtaining description information of a target streaming media to a server, the streaming media playing method provided in the embodiment of the present application further includes: when the display apparatus 200 receives an operation instruction of a user to play the target streaming media, the controller sends a request for inquiring which methods are available to the server. The request asking which methods are available is for the display device 200 to establish a connection with the server side. The server receives a request asking which methods are available and returns response information of all available methods to the display device 200. After receiving the response information of all available methods, the display device 200 sends a request for obtaining the target streaming media description information to the server.
S200: and receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a downloading address of a target streaming media caption.
The display device 200 receives the target streaming media description information returned by the server. In the embodiment of the application, the target streaming media description information carries a download address of the target streaming media caption, and the download address of the target streaming media caption is used for the display device to access the downloaded streaming media caption.
S300: and analyzing the received target streaming media description information to obtain a download address of the target streaming media caption.
In this embodiment of the present application, the display device 200 receives the target streaming media description information returned by the server, and analyzes the target streaming media description information returned by the server to obtain the download address of the target streaming media subtitle.
Optionally, after receiving the target streaming media description information returned by the server, the display device 200 parses the received target streaming media description information to obtain target streaming media subtitle attribute information, and selects a download address of a target streaming media subtitle corresponding to the target subtitle format from the target streaming media subtitle attribute information.
S400: and downloading the target streaming media caption from the server side according to the downloading address of the target streaming media caption.
The display device 200 parses the obtained download address of the target streaming media subtitle, and downloads the target streaming media subtitle from the server according to the download address of the target streaming media subtitle.
S500: and if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to the server.
After the target streaming media subtitle is downloaded, the display device 200 sends a request for playing the target streaming media to the server. And the request for playing the target streaming media is used for obtaining the audio and video data of the target streaming media from the server side.
S600: and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
The display device 200 receives target streaming media audio and video data returned by the server, analyzes the received target streaming media audio and video data, controls a controller of the display device 200 to play the target streaming media audio and video, controls the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played, and realizes synchronous playing of audio and video information of downloaded subtitle files.
And when the display is controlled to play the target streaming media audio and video according to the target streaming media audio and video data, decoding the target streaming media audio and video data to obtain the target streaming media audio and video, and controlling the display to play the target streaming media audio and video.
In this embodiment of the present application, controlling the display to display a corresponding target streaming subtitle according to the playing progress of the target streaming audio/video includes: and reading the downloaded target streaming media subtitle, acquiring the time stamp of the target streaming media audio/video data in real time, and controlling the display to display the target streaming media subtitle according to the time stamp of the target streaming media audio/video data.
Specifically, when the display is controlled to play the target streaming media audio and video, the downloaded target streaming media subtitle is read and the timestamp of the target streaming media audio and video data is obtained in real time, the timestamp of the target streaming media subtitle is compared with the timestamp of the target streaming media audio and video data, the display is controlled to display the target streaming media subtitle with the corresponding timestamp according to the timestamp of the target streaming media audio and video data, and synchronous display of the subtitle when the display plays the target streaming media audio and video is guaranteed.
According to the streaming media playing method provided by the embodiment of the application, when the streaming media is played, the downloading of the subtitles of the streaming media is completed in advance, so that the problems of packet loss, disorder, jitter, time delay and the like of the subtitles during the playing of audio and video of the streaming media are effectively avoided, the synchronization of the playing and displaying of the audio and video of the streaming media and the subtitles is ensured, the problem of the subtitles during the playing of the streaming media on the display equipment is solved, and the user experience is greatly improved. The streaming media playing method provided by the embodiment of the application is independent of an upper application program and different hardware, is simple to use and high in applicability, and can be used for any different display equipment.
Based on the streaming media playing method provided by the embodiment of the present application, an embodiment of the present application further provides a display device, including:
a display configured to display a play screen;
a controller for communicative connection with the display, the controller configured to:
responding to a received operation instruction of playing the target streaming media by a user, and sending a request for acquiring description information of the target streaming media to a server;
receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a download address of a target streaming media caption;
analyzing the received target streaming media description information to obtain a download address of the target streaming media caption;
downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle;
if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server;
and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
Further, in the display device provided in the embodiment of the present application, the target streaming media description information includes target streaming media subtitle attribute information, and the subtitle attribute information includes a download address of the target streaming media subtitle, where the target streaming media subtitle attribute information is in a format of a title + a subtitle download address.
Further, in the display device provided in the embodiment of the present application, the subtitle attribute information further includes a subtitle format;
analyzing the received description information of the target streaming media to obtain the download address of the target streaming media caption, comprising:
analyzing the received target streaming media description information to obtain target streaming media subtitle attribute information, and selecting a download address of a target streaming media subtitle corresponding to a target subtitle format from the target streaming media subtitle attribute information.
Further, in the display device provided in the embodiment of the present application, controlling the display to display a corresponding target streaming media subtitle according to the playing progress of the target streaming media audio/video includes:
and reading the downloaded target streaming media subtitle, acquiring the time stamp of the target streaming media audio/video data in real time, and controlling the display to display the target streaming media subtitle according to the time stamp of the target streaming media audio/video data.
Further, in the display device provided in the embodiment of the present application, controlling the display to play a target streaming media audio/video according to the target streaming media audio/video data includes:
and decoding the target streaming media audio/video data to obtain a target streaming media audio/video, and controlling the display to play the target streaming media audio/video.
Based on the same inventive concept as the display device and the detail page presenting method, the embodiment further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is executed, the streaming media playing method provided by any of the above implementations can be implemented. For the streaming media playing method, reference is made to the above embodiments, and details are not described herein again.
Storage media refers to any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.

Claims (10)

1. A display device, comprising:
a display configured to display a play screen;
a controller for communicative connection with the display, the controller configured to:
responding to a received operation instruction of playing the target streaming media by a user, and sending a request for acquiring description information of the target streaming media to a server;
receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a download address of a target streaming media caption;
analyzing the received target streaming media description information to obtain a download address of the target streaming media caption;
downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle;
if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server;
and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
2. The display device according to claim 1, wherein the target streaming media description information includes target streaming media subtitle attribute information, and the subtitle attribute information includes a download address of the target streaming media subtitle, and wherein the target streaming media subtitle attribute information is in a format of title + subtitle download address.
3. The display device according to claim 2, wherein the subtitle attribute information further includes a subtitle format;
analyzing the received description information of the target streaming media to obtain the download address of the target streaming media caption, comprising:
analyzing the received target streaming media description information to obtain target streaming media subtitle attribute information, and selecting a download address of a target streaming media subtitle corresponding to a target subtitle format from the target streaming media subtitle attribute information.
4. The display device according to claim 1, wherein controlling the display to display the corresponding target streaming media subtitle according to the playing progress of the target streaming media audio/video comprises:
and reading the downloaded target streaming media subtitle, acquiring the time stamp of the target streaming media audio/video data in real time, and controlling the display to display the target streaming media subtitle according to the time stamp of the target streaming media audio/video data.
5. The display device according to claim 1, wherein controlling the display to play a target streaming media audio-video according to the target streaming media audio-video data comprises:
and decoding the target streaming media audio/video data to obtain a target streaming media audio/video, and controlling the display to play the target streaming media audio/video.
6. A streaming media playing method for a display device, the method comprising:
responding to a received operation instruction of playing the target streaming media by a user, and sending a request for acquiring description information of the target streaming media to a server;
receiving target streaming media description information returned by the server, wherein the target streaming media description information carries a download address of a target streaming media caption;
analyzing the received target streaming media description information to obtain a download address of the target streaming media caption;
downloading the target streaming media subtitle from the server side according to the downloading address of the target streaming media subtitle;
if the target streaming media subtitle is downloaded, sending a request for playing the target streaming media to a server;
and receiving target streaming media audio and video data returned by the server, controlling the display to play a target streaming media audio and video according to the target streaming media audio and video data, and controlling the display to display corresponding target streaming media subtitles according to the playing progress of the target streaming media audio and video when the target streaming media audio and video is played.
7. The streaming media playing method according to claim 6, wherein the target streaming media description information includes target streaming media subtitle attribute information, and the subtitle attribute information includes a download address of the target streaming media subtitle, wherein the target streaming media subtitle attribute information includes a title and a subtitle.
8. The streaming media playing method according to claim 7, wherein the subtitle attribute information further includes a subtitle format;
analyzing the received description information of the target streaming media to obtain the download address of the target streaming media caption, comprising:
analyzing the received target streaming media description information to obtain target streaming media subtitle attribute information, and selecting a download address of a target streaming media subtitle corresponding to a target subtitle format from the target streaming media subtitle attribute information.
9. The streaming media playing method according to claim 6, wherein controlling the display to display the corresponding target streaming media subtitle according to the playing progress of the target streaming media audio/video comprises:
and reading the downloaded target streaming media subtitle, acquiring the time stamp of the target streaming media audio/video data in real time, and controlling the display to display the target streaming media subtitle according to the time stamp of the target streaming media audio/video data.
10. The streaming media playing method according to claim 6, wherein controlling the display to play the target streaming media audio/video according to the target streaming media audio/video data comprises:
and decoding the target streaming media audio/video data to obtain a target streaming media audio/video, and controlling the display to play the target streaming media audio/video.
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Application publication date: 20210910