WO2018059352A1 - Procédé et appareil de commande à distance d'un flux vidéo en direct - Google Patents

Procédé et appareil de commande à distance d'un flux vidéo en direct Download PDF

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Publication number
WO2018059352A1
WO2018059352A1 PCT/CN2017/103189 CN2017103189W WO2018059352A1 WO 2018059352 A1 WO2018059352 A1 WO 2018059352A1 CN 2017103189 W CN2017103189 W CN 2017103189W WO 2018059352 A1 WO2018059352 A1 WO 2018059352A1
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WO
WIPO (PCT)
Prior art keywords
user
video stream
live video
field control
anchor
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PCT/CN2017/103189
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English (en)
Chinese (zh)
Inventor
曹雨
Original Assignee
广州华多网络科技有限公司
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Publication of WO2018059352A1 publication Critical patent/WO2018059352A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2187—Live feed
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213—Monitoring of end-user related data
    • H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server

Definitions

  • the present invention relates to the field of multimedia data processing technologies, and in particular, to a method and device for remote control of a live video stream.
  • the viewing user can only see the face of the anchor and cannot see the overall effect.
  • the zoom function of the mobile phone is already available, the current mobile phone broadcast does not support zooming, and the adjustment of the focal length of the camera when the anchor is shooting is undoubtedly extremely inconvenient and affects the shooting effect.
  • the existing live broadcast platform does not have the focus adjustment function, and the limitation of the focus adjustment by the anchor operation is urgently needed for the expansion of the live broadcast zoom function of the mobile phone.
  • An object of the present invention is to provide a method and a device for remote control of a live video stream, which at least solves the problem that the live platform cannot adjust the shooting focal length in the related art.
  • a live video stream remote control method includes the following steps: establishing an authorized connection with an anchor user, obtaining a focus adjustment authority of the anchor user, and acquiring and displaying a live video stream of the anchor user; Receiving a focus adjustment control instruction for the live video stream, and transmitting a corresponding focus instruction to the anchor user to change a focal length of the live video stream.
  • the establishing an authorized connection with the anchor user includes: establishing, by the server, a channel for forwarding data with the anchor user.
  • the method further includes the steps of: responding to the request command of the anchor user to call the field control user control issued by the server; and/or issuing a request to the server to open the focus adjustment authority of the anchor user.
  • the request receives information that the anchor user feedbacks to the field control user.
  • the obtaining and displaying the live video stream of the anchor user includes the steps of: parsing the obtained video stream, and displaying the parsed video stream on a screen.
  • the step further includes: displaying a focus adjustment control interface in the live video stream display area.
  • the operation of the focus instruction includes one or more of a voice operation, a gesture touch operation, and a key operation.
  • a live video stream remote control method includes: establishing an authorized connection with a field control user, opening a focus adjustment authority to the field control user; providing the field control user with a live video stream formed by the camera device; and responding to the received field
  • the user's focus adjustment command is controlled to change the shooting focal length of the camera device to change the image effect of the live video stream provided to the field control user.
  • a live video stream remote control device includes: a first connection establishing module, configured to establish an authorized connection with an anchor user, and obtain a focus adjustment permission of the anchor user; and a display module, configured to acquire and display a live video stream of the anchor user;
  • the transceiver module is configured to receive a focus adjustment control instruction for the live video stream, and send a corresponding focus instruction to the anchor user to change a focal length of the live video stream.
  • a live video stream remote control device includes: a second establishing connection module, configured to establish an authorized connection with the field control user, and open a focus adjustment authority to the field control user; and a sending module, configured to provide the field control user with the camera device Shooting a formed live video stream; the response module is configured to change a shooting focal length of the camera device in response to the received focus command of the field control user to change an image effect of the live video stream provided to the field control user .
  • a terminal device for implementing remote control of a live video stream comprising: a touch sensitive display; one or more processors; a memory; the one or more processors configured to perform The steps of any of the methods described above. .
  • the present invention has the following advantages:
  • the anchor user is authorized by the anchor user to remotely control the focal length of the camera at the anchor site, and the field control user controls the focal length of the camera at the anchor site according to actual needs, thereby changing the display on the field control user ( That is to say, the image effect exhibited by the video stream on the side of the user is viewed; the limitation problem of the operation of the anchor itself is solved, and the focal length of the shooting is adjusted from the viewer side to better combine the visual needs of the anchor user and the viewing user. Improve the user experience.
  • the field control user controls the shooting focal length, that is, after the anchor user receives the corresponding focusing operation command from the field control user, the bottom layer API interface provided by the camera is called to realize the zoom function, which is not the original image after the recording. Zooming in, you can maintain the original quality of the recording (its definition depends on the camera), and can maximize the adaptation to the scene information.
  • FIG. 1 is a flowchart of a method for remote control of a live video stream according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for remote control of a live video stream according to another embodiment of the present invention.
  • FIG. 3 is a block diagram of a live video stream remote control apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram of a live video stream remote control apparatus according to another embodiment of the present invention.
  • FIG. 5 is a block diagram of a terminal device according to an embodiment of the present invention.
  • terminal and terminal device used herein include both a wireless signal receiver device, a device having only a wireless signal receiver without a transmitting capability, and a receiving and transmitting hardware.
  • Such devices may include cellular or other communication devices having a single line display or a multi-line display or a cellular or other communication device without a multi-line display; PCS (Personal Communications Service), which may combine voice, data Processing, fax, and/or data communication capabilities; PDA (Personal Digital Assistant), which can include radio frequency receivers, pagers, Internet/Intranet access, web browsers, notepads, calendars, and/or GPS (Global Positioning System (Global Positioning System) receiver; conventional laptop and/or palmtop computer or other device having a conventional laptop and/or palmtop computer or other device that includes and/or includes a radio frequency receiver.
  • PCS Personal Communications Service
  • PDA Personal Digital Assistant
  • terminal may be portable, transportable, installed in a vehicle (aviation, sea and/or land), or adapted and/or configured to operate locally, and/or Run in any other location on the Earth and/or space in a distributed form.
  • the "terminal” and “terminal device” used herein may also be a communication terminal, an internet terminal, a music/video playing terminal, and may be, for example, a PDA, a MID (Mobile Internet Device), and/or have a music/video playback.
  • Functional mobile phones can also be smart TVs, set-top boxes and other devices.
  • Live broadcast platform The live webcast is aimed at real-time social needs, using the Internet and multimedia communication technology to build a multi-functional webcast platform, enterprise or individual that integrates audio, video, desktop sharing, document sharing and interactive links on the network. You can use this live platform to go online Comprehensive communication and interaction of voice, video and data.
  • the webcast room is a virtual space (or virtual room) created based on the webcast platform.
  • the live broadcast room is usually created by the anchor client and connected to multiple viewing clients.
  • the live broadcast room includes the anchor and multiple viewers.
  • the viewing client located in the virtual space can watch the live content of the anchor client, and the interaction between the user of the anchor client and the user who views the client, the user who views the client, and the user who views the client can also perform voice, picture or text interaction.
  • the anchor is mainly responsible for participating in a program or event on the Internet, from planning, editing, recording, production, audience interaction, etc., and acting as the host.
  • Field control refers to the scene controller (administrator), for example, in the YY voice and toot voice platform, the field control is the administrator of the channel guild, that is, the short name of the field controller.
  • the field control is mainly a friend who broadcasts an invitation or a call to adjust the shooting focal length of the shooting device at the scene of the anchor or a viewer who watches the live broadcast.
  • a computer that manages resources and provides services to users.
  • it can record an authorization relationship corresponding to an anchor user and a field control user, and forward data information between each other.
  • the terminal to which the method of the present invention is applied is not limited to the type of its operating system, and may be an operating system such as Android, iOS, or Symbian.
  • an operating system such as Android, iOS, or Symbian.
  • S11 establishes an authorized connection with the anchor user, and obtains a focus adjustment permission of the anchor user
  • the field control user can establish a channel for forwarding data with the anchor user through the server when establishing an authorized connection with the anchor user. After the two parties are connected, it is possible to start the control of the focus adjustment remote assistance between the users.
  • the field control user before the field control user establishes a focus adjustment remote assistance authorization connection with the anchor user, the field control user can know that the anchor user needs focus adjustment remote assistance by: the field control user receiving server sends the The call request of the anchor user; determining whether the anchor user initiating the call is a user in the remote assistance list of the field control user; if the determination result is yes, initiating a request for the focus adjustment remote assistance anchor user to the server.
  • related controls for remote assistance can be installed in the anchor user, and the control is used to initiate the field control user. The call is requested, and the call is terminated within a short time after the field control user connects the call, and the call can be terminated in one second.
  • the user can receive the short message to know that the anchor user needs to perform remote assistance, so that the anchor user can timely respond to the anchor when the remote user needs remote assistance.
  • the user performs remote assistance.
  • the manner in which the field control user establishes an authorized connection with the anchor user also includes the field control user actively requesting the anchor user to open the focus adjustment authority: the field control user according to the remote assistance habit of controlling the focus adjustment with the anchor user (the server record has The authorization control relationship and information between the field control user and the anchor user) actively initiates a request for open focus adjustment authority to the anchor user at a required time or in a specific environment, and the anchor user makes the open request forwarded by the server according to actual needs.
  • the field control user can remotely control the focus adjustment of the anchor user.
  • S12 acquires and displays a live video stream of the anchor user
  • the live video stream sent by the anchor user may be obtained.
  • the field control user will parse the obtained video stream. Processing, and displaying the parsed video stream on the field control user screen.
  • S13 receives a focus adjustment control instruction for the live video stream, and sends a corresponding focus instruction to the anchor user to change a focal length of the live video stream.
  • the field control user After the field control user enters the live broadcast room where the anchor user is located, after receiving the video stream sent by the anchor user and the focus adjustment control instruction of the live video stream of the anchor user, the field control user according to the display
  • the video content on the screen such as the distance of the anchor from the camera, the attitude of the anchor, the environment change between the anchors, and the like, determine whether to adjust the shooting focal length of the video stream.
  • the focal length adjustment control button of the camera device on the field control user end or the focus adjustment control interface displayed in the video stream display area is controlled.
  • the anchor user will be sent a corresponding focusing instruction, and when the anchor user receives an operation instruction of the field control user to adjust the focus of the camera, the anchor user is Zooming is achieved by calling the corresponding API interface.
  • the operation mode of the focus adjustment instruction on the side of the field control user includes one or more of a voice operation, a gesture touch operation, and a key operation.
  • the image effect of the frequency stream; wherein the image effect finally presented is the better scene information that the anchor user can obtain according to actual needs after adjusting the focal length of the camera according to the received operation instruction. Problems such as the sharpness of the image effect will depend entirely on the hardware capabilities of the anchor user's camera. Further, in the embodiment, the adjustment of the focal length of the camera device is only the content of the screen displayed on the screen, and has no influence on the parameters, codec, uplink, and downlink of the video stream itself.
  • FIG. 2 Please refer to FIG. 2,
  • S21 establishes an authorized connection with the field control user, and opens the focus adjustment authority to the field control user;
  • the anchor user can establish a channel for forwarding data with the field control user through the server when establishing an authorized connection with the field control user. After the two parties are connected, it is possible to start the control of the focus adjustment remote assistance between the users.
  • the anchor user before the anchor user establishes a focus adjustment remote control authorization connection with the field control user, the anchor user can know that the field control user needs to assist the anchor user to perform focus adjustment remote control by: The user sends a call request to the server to request the remote control of the field control user, and the initiation of the call request may be related to installing the remote assistance in the anchor user, or sending a short message to the field control user to make the field control user Know that remote assistance is required for the anchor user.
  • the manner in which the anchor user establishes an authorized connection with the field control user further includes the field control user actively requesting the anchor user to open the focus adjustment authority: the remote control habit of the field control user according to the focus adjustment control with the anchor user (the server record has The authorization control relationship and information between the field control user and the anchor user) actively initiates a request for open focus adjustment authority to the anchor user at a required time or in a specific environment, and the anchor user makes the open request forwarded by the server according to actual needs.
  • the field control user can remotely control the focus adjustment of the anchor user.
  • S22 provides the field control user with a live video stream formed by the camera device
  • the anchor user When the field control user enters the live broadcast room where the anchor user is located, the anchor user will send a live video stream formed by the camera device to the field control user. When the field control is used After receiving the live video stream, the user will parse the obtained video stream, and display the parsed video stream on the field control user screen.
  • S23 is responsive to the received focus command of the field control user, according to which the shooting focal length of the camera device is changed to change the image effect of the live video stream provided to the field control user.
  • the field control user determines whether to adjust the shooting focal length of the video stream according to various factors such as the distance of the video displayed on the screen, such as the distance of the anchor from the camera, the attitude of the anchor, and the environment change between the anchors.
  • the focal length adjustment control button of the camera device on the field control user end or the focus adjustment control interface displayed in the video stream display area is controlled.
  • the anchor user will receive a corresponding focusing instruction issued by the field control user, and in response to the focusing instruction, the anchor user invokes the corresponding API.
  • the interface achieves zooming.
  • the operation mode of the focus instruction on the side of the field control user includes one or more of a voice operation, a gesture touch operation, and a key operation.
  • the image effect finally presented is a problem that the anchor user can obtain the better scene information according to actual needs after adjusting the focal length of the camera according to the received operation instruction, and the image effect is clear. It will depend entirely on the hardware capabilities of the anchor user's camera. Further, in the embodiment, the adjustment of the focal length of the camera device is only the content of the screen displayed on the screen, and has no influence on the parameters, codec, uplink, and downlink of the video stream itself.
  • the embodiment applied to the side of the field control user includes the following modules. Please refer to FIG. 3:
  • the first connection module 11, the display module 12, and the transceiver module 13 are established.
  • the first establishing connection module 11 is configured to establish an authorized connection with the anchor user, and obtain a focus adjustment authority of the anchor user;
  • the display module 12 is configured to acquire and display a live video stream of the anchor user.
  • the transceiver module 13 is configured to receive a focus adjustment control instruction for the live video stream, and send a corresponding focus instruction to the anchor user to change a focal length of the live video stream.
  • the embodiment applied to the side of the anchor user includes the following modules. Please refer to FIG. 4:
  • the second connection module 21, the sending module 22, and the response module 23 are established.
  • the second establishing connection module 21 is configured to establish an authorized connection with the field control user, and open the focus adjustment authority to the field control user;
  • the sending module 22 is configured to provide the field control user with a live video stream formed by the camera device;
  • the response module 23 is configured to change the shooting focal length of the camera device in response to the received focus command of the field control user to change the image effect of the live video stream provided to the field control user.
  • the present invention also provides a terminal device. As shown in FIG. 5, for the convenience of description, only parts related to the embodiment of the present invention are shown. For details that are not disclosed, refer to the method part of the embodiment of the present invention.
  • the terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the terminal is a mobile phone as an example:
  • FIG. 5 is a block diagram showing a partial structure of a mobile phone related to a terminal provided by an embodiment of the present invention.
  • the mobile phone includes: a radio frequency (RF) circuit 510, a memory 520, an input unit 530, a display unit 540, a sensor 550, an audio circuit 560, a wireless fidelity (WiFi) module 570, and a processor 580. And power supply 590 and other components.
  • RF radio frequency
  • the RF circuit 510 can be used for receiving and transmitting signals during the transmission or reception of information or during a call. Specifically, after receiving the downlink information of the base station, it is processed by the processor 580. In addition, the uplink data is designed to be sent to the base station.
  • RF circuit 510 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. This In addition, RF circuitry 510 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • E-mail Short Messaging Service
  • the memory 520 can be used to store software programs and modules, and the processor 580 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 520.
  • the memory 520 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 520 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 530 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 530 may include a touch panel 531 and other input devices 532.
  • the touch panel 531 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 531 or near the touch panel 531. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 531 can include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 580 is provided and can receive commands from the processor 580 and execute them.
  • the touch panel 531 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 530 may also include other input devices 532. Specifically, other input devices 532 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 540 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 540 can include a display panel 541. Alternatively, a liquid crystal can be used.
  • the display panel 541 is configured in the form of a display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 531 can cover the display panel 541. When the touch panel 531 detects a touch operation on or near it, the touch panel 531 transmits to the processor 580 to determine the type of the touch event, and then the processor 580 according to the touch event. The type provides a corresponding visual output on display panel 541.
  • touch panel 531 and the display panel 541 are used as two independent components to implement the input and input functions of the mobile phone in FIG. 5, in some embodiments, the touch panel 531 and the display panel 541 may be integrated. Realize the input and output functions of the phone.
  • the handset may also include at least one type of sensor 550, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 541 according to the brightness of the ambient light, and the proximity sensor may close the display panel 541 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tapping
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • Audio circuit 560, speaker 561, and microphone 562 provide an audio interface between the user and the handset.
  • the audio circuit 560 can transmit the converted electrical data of the received audio data to the speaker 561, and convert it into a sound signal output by the speaker 561.
  • the microphone 562 converts the collected sound signal into an electrical signal, and the audio circuit 560 is used by the audio circuit 560. After receiving, it is converted into audio data, and then processed by the audio data output processor 580, sent to the other mobile phone via the RF circuit 510, or outputted to the memory 520 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 570, which provides users with wireless broadband Internet access.
  • FIG. 5 shows the WiFi module 570, it can be understood that it does not belong to the essential configuration of the mobile phone, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 580 is the control center of the handset, and connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 520, and invoking data stored in the memory 520, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 580 can include one or more processing units; preferably, The processor 580 can integrate an application processor and a modem processor, wherein the application processor primarily processes an operating system, a user interface, an application, etc., and the modem processor primarily processes wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 580.
  • the handset also includes a power source 590 (such as a battery) that supplies power to the various components.
  • a power source 590 such as a battery
  • the power source can be logically coupled to the processor 580 via a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the processor 580 included in the terminal is further configured to perform the steps of the method as described in Embodiments 1 and 2.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Read Only Memory (ROM), Random Access Memory (RAM), disk or optical disk.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • Embodiment 5 (Application Example)
  • the anchor user makes a request for the remote control call to the field control user: Assume that the anchor wants to broadcast a dance choreography video, but since the current live broadcast platform does not support focus adjustment, and the anchor is in the process of dancing, it is impossible to real-time on its own camera device.
  • the focal length is adjusted so that when the different dance movements are beating, the details of the dance posture are actually displayed.
  • the anchor can remotely control the shooting focal length of its own camera by calling a friend or watching the viewer. After the friend user or the viewing user accepts the remote control request from the anchor user, the user will become the field control user. When they enter the live broadcast room of the live broadcast choreography video, they can receive the video sent by the anchor.
  • the focal length of the shooting of the anchor shooting device can be changed by controlling the shooting device of the field control itself or the focus adjustment interface displayed in the video playing area, thereby realizing that the main body exhibits different dancing postures. According to the actual adjustment of the focal length of the shooting device on the anchor site, a better viewing picture is obtained.
  • the field control changes the focal length of the photographing device to operate by a gesture recognition operation or a focus adjustment button of a specific photographing device.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Social Psychology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention concerne un procédé de commande à distance d'un flux vidéo en direct. Le procédé comprend les étapes suivantes consistant à : établir une connexion autorisée avec un utilisateur d'ancrage, et acquérir une permission d'ajustement de mise au point de l'utilisateur d'ancrage ; acquérir et afficher un flux vidéo en direct de l'utilisateur d'ancrage ; recevoir une instruction de commande d'ajustement de mise au point du flux vidéo en direct, et envoyer une instruction de mise au point correspondante à l'utilisateur d'ancrage de sorte à modifier la mise au point de prise de vue du flux vidéo en direct. L'invention concerne également un appareil, comprenant : un premier module d'établissement de connexion, un module d'affichage, et un module émetteur-récepteur. Au moyen de ladite solution technique, la présente invention peut ajuster la mise au point de prise de vue d'un flux vidéo en direct à l'aide d'un mode de commande à distance.
PCT/CN2017/103189 2016-09-29 2017-09-25 Procédé et appareil de commande à distance d'un flux vidéo en direct WO2018059352A1 (fr)

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CN114554129A (zh) * 2020-11-25 2022-05-27 北京字节跳动网络技术有限公司 一种连麦系统、方法、装置、设备及存储介质
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CN115243059A (zh) * 2022-05-31 2022-10-25 广州播丫科技有限公司 一种通过监控摄像头实现慢直播的直播机及其工作方法

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