KR20160052095A - Method and apparatus for processing panorama video data - Google Patents

Method and apparatus for processing panorama video data Download PDF

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Publication number
KR20160052095A
KR20160052095A KR1020140151894A KR20140151894A KR20160052095A KR 20160052095 A KR20160052095 A KR 20160052095A KR 1020140151894 A KR1020140151894 A KR 1020140151894A KR 20140151894 A KR20140151894 A KR 20140151894A KR 20160052095 A KR20160052095 A KR 20160052095A
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KR
South Korea
Prior art keywords
video data
information
display device
panorama
image
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KR1020140151894A
Other languages
Korean (ko)
Inventor
권광훈
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엘지전자 주식회사
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Priority to KR1020140151894A priority Critical patent/KR20160052095A/en
Publication of KR20160052095A publication Critical patent/KR20160052095A/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
    • H04N21/43—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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4342—Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4343—Extraction or processing of packetized elementary streams [PES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H04N21/43635—HDMI
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

A method and apparatus for processing panoramic video data is disclosed.
A method for processing panoramic video data according to an embodiment of the present invention includes the steps of: receiving, at a source device, an EDID including information about a display capability from a sink device; Generating a video frame for the panoramic video data if the first information indicates that the panoramic video data can be processed by the sink device and transmitting the generated video frame to the sink device at the source device .

Description

METHOD AND APPARATUS FOR PROCESSING PANORAMA VIDEO DATA BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a method for processing panoramic video data and an apparatus for performing the method.

The broadcasting environment has undergone dramatic changes as analog broadcasting has been terminated and digital broadcasting has been fully implemented.

In order to view a widescreen image having a ratio of 32: 9 or 48: 9 on a typical television, it is possible to view only a small image after a resizing process.

On the other hand, a widescreen image having a 32: 9 or 48: 9 ratio can be viewed through a multi-screen system including a plurality of display devices.

1 is a schematic view of a general multi-screen system.

A general multi-screen system comprises a plurality of display devices 10 and a control PC 20 for controlling them. The controlling PC 20 receives a widescreen image such as a 32: 9 or 48: 9 image and processes the received widescreen image by using separate software, Lt; / RTI > However, even when watching a widescreen image having a ratio of 32: 9 or 48: 9 through such a multi-screen system, a separate control PC 20 and software are necessarily required.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and apparatus for transmitting panoramic video data.

It is another object of the present invention to provide a method and apparatus for receiving panoramic video data.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

A method for processing panoramic video data according to an embodiment of the present invention includes the steps of: receiving, at a source device, an EDID including information about a display capability from a sink device; The method comprising: generating a video frame for panoramic video data if the device includes first information indicating that it is capable of processing panoramic video data; transmitting, at the source device, the generated video frame to the sink device .

According to another aspect of the present invention, there is provided a method of processing panoramic video data, the method comprising the steps of: detecting a connection of a source device in a sink device; The method comprising the steps of: receiving in a sync device a video frame for panoramic video data; and receiving first information from the video frame describing that the data inserted in the video data section in the video frame is panoramic video data, Extracting second information that describes an aspect ratio of the video data; and processing the panorama video data based on the extracted first information and second information and outputting the processed information.

The sink device for processing the panoramic video data according to an embodiment of the present invention includes an external device interface unit for connecting the source device, a display unit, and a control unit, To control the external device interface to transmit an EDID to the source device, the EDID including information about the display capability when the connection of the source device is detected, and to receive a video frame for the panoramic video data from the source device Extracts first information for explaining that the data inserted in the video data section in the video frame is panorama video data and second information for explaining the aspect ratio of the panorama video data from the received video frame, Processing the panorama video data based on the extracted first information and second information, and outputting the panorama video data to the display unit.

According to an embodiment of the present invention, a method and apparatus for transmitting panoramic video data can be provided.

In addition, according to an embodiment of the present invention, a method and apparatus for receiving panoramic video data can be provided.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 is a schematic view of a general multi-screen system.
FIG. 2 is a diagram illustrating a multi-screen system including a plurality of display devices according to an embodiment of the present invention.
3 is a block diagram illustrating a configuration module of a display device according to an embodiment of the present invention.
4 is a block diagram showing the control unit of the display device shown in Fig. 3 in more detail.
5 is a view briefly showing an appearance of a remote controller capable of controlling a display device according to an embodiment of the present invention.
6 is a detailed block diagram of the configuration modules of the remote controller shown in FIG.
7 is a flowchart illustrating a method of processing panorama video data according to an embodiment of the present invention.
8 is a diagram illustrating an example of a vendor specific data block in an EDID transmitted from a sink device to a source device according to an embodiment of the present invention.
9 is a diagram showing an example of a packet structure of a vendor specific info frame among infoc frame packets included in a video frame generally transmitted through a digital data interface, FIG. 8 is a diagram showing an example of a packet structure of a vendor-specific info frame among infoc frame packets included in a video frame transmitted through a VBR.
11 is a diagram showing an example of values and meanings of the "Panorama_Service_Type" field inserted into a vendor specific info frame according to an embodiment of the present invention.
12 is a diagram showing values and meanings of values of a "Panorama_Base_View" field inserted in a vendor specific info frame according to an embodiment of the present invention.
FIG. 13 is a diagram showing an example of values and meanings of the "Panorama_View_Type" field inserted into a vendor specific info frame according to an embodiment of the present invention.
14 is a diagram illustrating a multi-screen system including a display device according to an embodiment of the present invention.
15 is a diagram illustrating a multi-screen system including a display device according to another embodiment of the present invention.
16 is a diagram illustrating a multi-screen system including a display device according to an embodiment of the present invention.
17A to 17C are diagrams illustrating a multi-screen system including a display device according to another embodiment of the present invention.
18A and 18B are diagrams illustrating a multi-screen system including a display device according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and accompanying drawings, but the present invention is not limited to or limited by the embodiments.

As used herein, the term " general " or " common < / RTI > term that is used in the present invention has been selected in consideration of the functions of the present invention, but this may vary depending on the intentions of the person skilled in the art, Also, in certain cases, there may be a term arbitrarily selected by the applicant, in which case the meaning thereof will be described in the detailed description of the invention. Accordingly, it is intended that the terminology used herein should be interpreted relative to the actual meaning of the term, rather than the nomenclature, and its scope throughout this specification.

The sink device described herein includes a set of receivers including a television, a digital TV, a set-top box capable of processing panoramic video data, and a display device for outputting the processed panoramic video data, a video wall, signage, a PDA (Personal Digital Assistant), a mobile phone, a smart phone, and the like.

The source device described in the present specification is an external device connected to the sink device and outputting video data, and may be a DVD player, a BD (Blu-ray Disc) player, a set top box (STB), an external memory, , A computer (notebook), and the like.

A plurality of sync devices for processing and outputting panoramic video data according to the present invention may be collectively referred to as a multiscreen system. The screens of the display units of the plurality of sink devices belonging to the multi-screen system are combined to create one large image. In this specification, the term " display device " may be used instead of the term " sink device ".

In this specification, a panoramic video (or panoramic video data) is an image whose aspect ratio is larger than the vertical ratio, and the ratio of the aspect ratio of 16: 9 is larger than the aspect ratio For example, 32: 9 or 48: 9). Depending on the embodiment, an image having an aspect ratio of 16: 9 may be a panoramic video or may not be a panoramic video.

2 is a diagram illustrating a multi-screen system including a plurality of sink devices according to an exemplary embodiment of the present invention. In Fig. 2, the display device 100 will be described as an example of a sink device.

The multi-screen system 1000 includes a plurality of display devices 100. For example, the display portion 150 of the display device 100 may have an aspect ratio of 16: 9 (horizontal: vertical).

Each of the display devices 100 is configured to receive and process panoramic video data according to one embodiment of the present invention. However, in some cases, some of the plurality of display devices 100 included in the multi-screen system 1000 may not have a configuration module for receiving and / or processing panorama video data. That is, only at least one display device 100 of the plurality of display devices 100 included in the multi-screen system 1000 may have a configuration module for receiving and processing panorama video data.

The multi-screen system 1000 according to an embodiment of the present invention does not require a separate PC or software for processing panorama video data, and can view the panorama video data without resizing it.

Referring to FIG. 2 (a), panorama video data having an aspect ratio of 32: 9 can be viewed without resizing through a multi-screen system 1000 including two display devices 100.

Referring to FIG. 2 (b), panorama video data having an aspect ratio of 48: 9 can be viewed without resizing through a multi-screen system 1000 including three display devices 100.

3 is a block diagram illustrating a configuration module of a display device according to an embodiment of the present invention. 3 is an example for convenience of description. It is also within the scope of the present invention that a configuration module other than the configuration modules shown in FIG. 3 is added or a configuration module is omitted.

The display device 100 of FIG. 3 refers to any one of a plurality of display devices included in the multi-screen system 1000.

3, the display device 100 includes a receiving unit 110, an external device interface unit 120, a memory 130, a control unit 140, a display unit 150, an audio output unit 160, A display unit 170, a user interface unit 180, and the like.

The receiving unit 110 may include a tuner 111, a demodulating unit 112, and a network interface unit 113. In some cases, a plurality of tuners 111 may be provided.

The tuner 111 can receive an RF broadcast signal of a single carrier according to an ATSC (Advanced Television System Committee) scheme or an RF broadcast signal of a plurality of carriers according to a DVB (Digital Video Broadcasting) scheme.

The demodulator 112 receives the digital IF signal DIF converted by the tuner 111 and performs a demodulation operation.

For example, when the digital IF signal output from the tuner 111 is of the ATSC scheme, the demodulator 112 performs 8-VSB (8-Vestigal Side Band) demodulation, for example. Also, the demodulator 112 may perform channel decoding.

The network interface unit 113 provides an interface for connecting the display device 100 to a wired / wireless network including the Internet network. The network interface unit 113 may include an Ethernet terminal or the like for connection to a wired network and may be a WLAN (Wireless LAN) (Wi- Fi wireless broadband (Wibro), World Interoperability for Microwave Access (Wimax), and HSDPA (High Speed Downlink Packet Access) communication standards.

The network interface unit 113 can transmit or receive data with other users or other electronic devices via a network connected thereto or another network linked to the connected network.

The external device interface unit 120 is an interface that enables data communication between the external device and the display device 100. The external device interface unit 120 can be connected to an external device such as a DVD (Digital Versatile Disk), a Blu ray, a game device, a camera, a camcorder, a computer (notebook) The external device interface unit 120 transmits external video, audio, or data signals to the controller 140 through the connected external device. Also, the control unit 140 can output the processed video, audio, or data signal to an external device. According to an embodiment, the display device 100 may be connected to another display device 100 included in the multi-screen system 1000 through the external device interface unit 120. [

The external device interface unit 120 may include a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), a DVI ) Terminal, an RGB terminal, a D-SUB terminal, and the like.

The memory 130 may store a program for each signal processing and control in the control unit 140, and may store signal processed video, audio, or data signals. The memory 130 may also function to temporarily store video, audio, or data signals input from the external device interface unit 120 or the network interface unit 113. The memory 130 also stores various OSs, middleware, and platforms, for example.

The user interface unit 180 transmits a signal input by the user to the control unit 140 or transmits a signal from the control unit 140 to an external device (for example, the remote controller 200). For example, the user interface unit 180 may be provided with various functions such as power on / off, channel selection, screen setting, etc. from the remote controller 200 according to various communication methods such as a radio frequency (RF) communication method and an infrared And transmit the control signal from the control unit 140 to the remote controller 200. The remote controller 200 may be configured to receive the control signal from the controller 140,

The control unit 140 controls each of the configuration modules in the display device 100.

The control unit 140 demultiplexes the input stream or processes the demultiplexed signals through the tuner 111, the demodulation unit 112, the network interface unit 113, or the external device interface unit 120, It is possible to generate and output signals for video or audio output. The control unit 140 will be described later in detail with reference to FIG.

The display unit 150 converts an image signal, a data signal, an OSD signal processed by the control unit 140 or a video signal and a data signal received from the external device interface unit 120 into R, G, and B signals, respectively Thereby generating a driving signal. The display unit 150 may be a PDP, an LCD, an OLED, a flexible display, a 3D display, or the like.

The audio output unit 160 receives a signal processed by the control unit 140, for example, a stereo signal, a 3.1 channel signal, or a 5.1 channel signal, and outputs it as a voice. The audio output unit 160 may be implemented by various types of speakers.

The power supply unit 170 supplies power to the display device 100. Particularly, it is possible to supply power to a control unit 140 that can be implemented in the form of a system on chip (SOC), a display unit 150 for displaying an image, and an audio output unit 160 for audio output have.

4 is a block diagram showing the control unit of the display device shown in Fig. 3 in more detail.

The control unit 140 of the display device 100 includes a demultiplexing unit 141, an image processing unit 142, a service information processing unit 143, a GUI generating unit 144, a mixer 145, a frame rate converting unit 146, A formatter 147, and the like. It is also within the scope of the present invention to further design a voice processing unit (not shown) and a data processing unit (not shown).

The demultiplexer 141 demultiplexes the input stream. For example, when an MPEG-2 TS is input, it can be demultiplexed into video, audio, and data signals, respectively.

The service information processing unit 143 processes the service information input from the demultiplexing unit 141 and outputs the processed service information to the image processing unit 142. The service information processing unit 143 may include a database for temporarily storing the service information to be processed, either internally or externally.

The image processing unit 142 may perform image processing of the demultiplexed image signal. To this end, the image processing unit 142 may include a video decoder 142a and a scaler 142b. The video decoder 142a decodes the demultiplexed video signal, and the scaler 142b performs scaling so that the resolution of the decoded video signal can be output from the video output unit. Then, the video signal decoded by the video processing unit 142 is input to the mixer 145.

The GUI generating unit 144 generates a GUI signal according to a user input or itself. Therefore, the mixer 145 can mix the GUI signal generated by the GUI generating unit 144 and the decoded video signal processed by the image processing unit 142. The GUI generation unit 144 includes an OSD generation unit for generating an OSD (On Screen Display) signal including environment setting information of the display device 100. [

The mixed signal is provided to the formatter 147. The decoded broadcast video signal or the external input signal is mixed with the GUI signal or the OSD signal, so that the GUI or OSD can be overlaid on the broadcast image or the external input image.

A frame rate converter (FRC) 146 can convert a frame rate of an input image. For example, a frame rate of 60 Hz is converted to 120 Hz or 240 Hz. When converting the frame rate of 60 Hz to 120 Hz, it is possible to insert the same first frame between the first frame and the second frame, or insert the third frame predicted from the first frame and the second frame. When converting a frame rate of 60 Hz to 240 Hz, it is possible to insert three more identical frames or insert three predicted frames. On the other hand, it is also possible to maintain the input frame rate without performing another conversion.

The formatter 147 receives the output signal of the frame rate conversion unit 146, changes the format of the signal so as to be suitable for the video output unit, and outputs the signal. For example, the R, G, and B data signals may be output as low voltage differential signaling (LVDS) signals or mini-LVDS signals.

5 is a view briefly showing an appearance of a remote controller capable of controlling a display device according to an embodiment of the present invention.

5 (a), an indicator I (or a pointer) corresponding to the remote controller 200 is displayed on the screen of the display device 100. FIG.

The user can move or rotate the remote controller 200 up and down, left and right (Fig. 5 (b)), and back and forth (Fig. 5 (c)). The indicator I displayed on the screen of the display device 100 corresponds to the movement of the remote controller 200. [ As shown in the drawing, such a remote controller 200 can be referred to as a spatial remote controller because the indicator I is moved and displayed according to the movement in the 3D space.

5B illustrates that when the user moves the remote controller 200 to the left, the indicator I displayed on the screen of the display device 100 moves to the left correspondingly.

Information on the motion of the remote controller 200 sensed through the sensor of the remote controller 200 is transmitted to the display device 100. The display device 100 can calculate the coordinates of the indicator I from the information on the motion of the remote controller 200. [ The display device 100 can display the indicator I so as to correspond to the calculated coordinates.

5C illustrates a case in which the user moves the remote controller 200 away from the display device 100 while a specific button in the remote controller 200 is pressed. Thereby, the selected area in the screen corresponding to the indicator I can be zoomed in and displayed. Conversely, when the user moves the remote controller 200 to approach the display device 100, the selected area in the screen corresponding to the indicator I may be zoomed out and displayed. On the other hand, when the remote controller 200 moves away from the display device 100, when the selection area is zoomed out and the remote controller 200 approaches the display device 100, the selected area may be zoomed in.

6 is a detailed block diagram of the configuration modules of the remote controller shown in FIG.

6, the remote controller 200 includes a wireless communication unit 214, a user input unit 215, a sensor unit 217, an output unit 216, a power supply unit 211, a storage unit 212, A control unit 213, and the like.

The wireless communication unit 214 is designed to be capable of communicating with any external device.

The remote controller 200 may include an RF module 214a capable of transmitting and receiving signals with the display device 100 according to the RF communication standard. In addition, the remote controller 200 may include an IR module 214b capable of transmitting and receiving signals with the display device 100 according to the IR communication standard.

The remote controller 200 transmits a signal containing information on the motion of the remote controller 200 and the like to the display device 100 through the RF module 214a.

Also, the remote controller 200 can receive a signal transmitted by the display device 100 through the RF module 214b. In addition, the remote controller 200 can transmit control signals related to power on / off, channel change, volume change, and the like to the display device 100 through the IR module 214b as needed.

The user input unit 215 may include a keypad, a button, a touchpad, or a touch screen.

The sensor unit 217 may include a gyro sensor 217a or an acceleration sensor 217b. The gyro sensor 217a can sense information on the motion of the remote controller 200. [ For example, the gyro sensor 217a can sense information on the operation of the remote controller 200 on the basis of the x, y, and z axes. The acceleration sensor 217b can sense information about the moving speed of the remote controller 200 and the like. On the other hand, it is possible to further include a distance measuring sensor, whereby the distance to the display device 100 can be sensed.

The output unit 216 may output an image or voice signal corresponding to the operation of the user input unit 215 or corresponding to the signal transmitted from the display device 100. [ For example, the output unit 216 may include an LED module 216a that is turned on when a user input unit 215 is operated or a signal is transmitted to or received from the display device 100 through the wireless communication unit 214, a vibration module 216b An audio output module 216c for outputting sound, or a display module 216d for outputting an image.

The power supply unit 211 supplies power to each component of the remote controller 200. The power supply unit 211 can reduce power waste by interrupting power supply when the remote controller 200 has not moved for a predetermined time.

The storage unit 212 may store various types of programs, application data, and the like necessary for the control or operation of the remote controller 200. Then, the control unit 213 controls various items related to the control of the remote controller 200. For example, the control unit 213 transmits a signal corresponding to a predetermined key operation of the user input unit 215 or a signal corresponding to the motion of the remote controller 200 sensed by the sensor unit 217 to the wireless communication unit 214, To the display device 100 through the display device 100. [

Hereinafter, a method of processing panorama video data will be described in detail with reference to the respective drawings.

The present invention is one embodiment in which information for processing panorama video data is inserted into a video frame of video data and transmitted via a digital data interface. For example, it is assumed that the panoramic video data according to an embodiment of the present invention is transmitted from the source device to the sink device through the digital data interface supporting the HDMI 2.0 version, but the present invention is not limited thereto.

7 is a flowchart illustrating a method of processing panorama video data according to an embodiment of the present invention.

The control unit 140 of the sink device 100 detects connection of the source device to the external device interface unit 120 (S1001). For example, the external device interface unit 120 may include an HDMI port as a digital data interface.

The control unit 140 of the sink device 100 determines whether or not the connection of the source device to the external device interface unit 120 is detected by using the EDID including the information about the display capability of the sink device 100 Enhanced Extended Display Identification Data) to the source device (S1002). The external device interface unit 120 or the memory 130 may include an EDID-ROM area storing an E-EDID including information on the display capability of the external device. The EDID may include information indicating whether the sink device 100 can process the panoramic video data according to an exemplary embodiment of the present invention.

The source device determines whether the sink device 100 can receive and process the panorama video based on the received EDID (S1003). A method of determining the capability of the sink device 100 in the source device will be described later in detail with reference to FIG.

When it is determined that the sink device 100 can receive and process the panorama video based on the received EDID, the source device inserts the panorama video data into the video data section and processes the panorama video data in the video data island section A video frame can be generated by inserting necessary information (S1004). A method of generating a video frame at the source device will be described later in detail with reference to FIGS. 9 to 13. FIG.

The source device transmits the generated video frame to the sink device 100 and the control unit 140 of the sink device 100 can control the external device interface unit 120 to receive the video frame (S1005 ).

The sink device 100 may process the panorama video data in the received video frame and output the panorama video data to the display unit 150 (S1006).

8 is a diagram illustrating an example of a vendor specific data block in an EDID transmitted from a sink device to a source device according to an embodiment of the present invention. Hereinafter, the sink device will be referred to as a display device 100. [

According to an embodiment of the present invention, when the connection of the source device is detected, the external device interface unit 120 of the display device 100 transmits the EDID including the display capability information of the display device 100 to the source device Lt; / RTI > Referring to the vendor specific data block (VSDB) in the EDID shown in FIG. 8, the 0th to Nth blocks each having a size of 1 byte are included. In the 0th block, a header indicating a data area of "Vendor Specific" indicated by "Vendor Specific Tag Code (= 3)" In the 0th block, information indicating the total length of data blocks of "Vendor Specific " indicated by" Length (= N) " Information indicating "IEEE Organizationally Unique Identifier (OUI)" may be placed in the first to third blocks. In the fourth block, information indicating a version number related to the content of the HF-VSDB may be arranged. In the fifth block, information indicating the maximum transmission rate of the TMDS may be arranged.

According to an embodiment of the present invention, information (for example, Panorama_View) indicating whether or not the display device 100 can process panoramic video data according to an embodiment of the present invention (e.g., Panorama_View) May be included in my "Revd (0)" field. For example, the "Panorama_View" field is made up of 1 bit, meaning that when the "Panorama_View" field is set to 1, the display device 100 can receive and process the panorama video data according to an embodiment of the present invention And the "Panorama_View" field is set to '0', it may mean that the display device 100 does not support the function of receiving and processing the panoramic video data according to an embodiment of the present invention.

9 is a diagram showing an example of a packet structure of a vendor specific info frame among infoc frame packets included in a video frame generally transmitted through a digital data interface, FIG. 8 is a diagram showing an example of a packet structure of a vendor-specific info frame among infoc frame packets included in a video frame transmitted through a VBR.

A TMDS (Transition Minimized Differential Signaling) -based video frame transmitted via HDMI includes a video data period, a data island period, and a control period, , Audio data, and auxiliary data. The pixel information of the video line is transmitted through the video data interval, and the audio information and the auxiliary information including the series of packets may be transmitted through the data island interval.

The data island interval of a TMDS-based video frame is composed of a plurality of packets, and the infoframe data packet corresponds to one of them. Specifically, there is a vendor specific infoframe corresponding to a unique info frame defined for each vendor in the infoc frame data packet. Since the vendor specific info frame (VSIF) shown in FIG. 6 is defined in CEA-861-F, a detailed description will be omitted.

The source device according to an embodiment of the present invention may be configured such that when the EDID transmitted from the display device 100 includes a "Panorama_View" field set to 1, that is, the display device 100 is in accordance with an embodiment of the present invention Information necessary for processing the panorama video data is inserted into the vendor specific info frame shown in Fig. 10, and information necessary for processing the panorama video data (for example, For example, aspect ratio information of panoramic video data, base view information, sync information, etc.) may be transmitted to the display device 100.

For example, referring to FIG. 10, when information indicating whether video data included in a video frame is panoramic video data is inserted in the "Rsvd (0)" field in an area PB5 of the fifth byte of the vendor specific info frame . In Fig. 7, for example, information ("Panorama_Valid") indicating whether the video data included in the video frame is panoramic video data is inserted into the first bit in the fifth byte area PB5 of the vendor specific info frame Respectively. When the "Panorama_Valid" field is set to 1, the video data included in the video frame is the panorama video data, and the information (for example, "Panorama_Service_Type "," Panorama_Base_View & If the "Panorama_Valid" field is set to " 0 ", it means that the video data included in the video frame is not panoramic video data or that information necessary for processing the panoramic video data is included in the vendor- It may mean that it is not further defined.

10, when the "Panorama_Valid" field is set to 1, "Panorama_Service_Flag", "Panorama_Base_Flag" and "Panorama_View_Flag" fields are inserted into the area 1010 (PBo) * of the added byte in the vendor specific info frame . For example, when the "Panorama_Service_Flag" field is set to 1, information indicating the type of panorama video data (information on which panorama video corresponds to an image having an aspect ratio) ("Panorama_Service_Type" field) (Left image, central image and right image, or left image and right image) included in the panorama video data transmitted from the source device when the "Panorama_Base_Flag" field is set to 1, ("Panorama_Base_View" field) is additionally defined in the vendor specific info frame, and when the "Panorama_View_Flag" field is set to 1, The video corresponding to the corresponding video data among the entire panorama video data transmitted from the source device is transmitted to the sink device ("Panorama_View_Type" field) indicating which of the left image, the central image, and the right image (or the left image and the right image) corresponds to the image when output from the device may be further defined in the vendor specific info frame have.

In one example, the field "Panorama_Service_Type" may be inserted in the area 1020 ((PBo + 1) *) of the added byte in the vendor specific info frame. For example, the "Panorama_Service_Type" field may be composed of 4 bits.

11 is a diagram showing an example of values and meanings of the "Panorama_Service_Type" field inserted into a vendor specific info frame according to an embodiment of the present invention.

11, 0001 is defined as indicating the panorama video data having the aspect ratio of 32: 9, and 0010 is defined as the value of the "Panorama_Service_Type" field. The panorama video data having the aspect ratio of 48: , And 0011 can be defined as indicating panorama video data (or general video data) having an aspect ratio of 16: 9.

Referring again to FIG. 10, for example, the field "Panorama_Base_View" may be inserted into the area 1030 (PBo + 2) * of bytes to be added in the vendor specific info frame. For example, the "Panorama_Base_View" field may be composed of 4 bits.

12 is a diagram showing values and meanings of values of a "Panorama_Base_View" field inserted in a vendor specific info frame according to an embodiment of the present invention.

For example, as the value of the "Panorama_Base_View" field, 0001 defines a left image among the images (left image, central image, and right image) included in the panorama video data as a base view, The right image among the images (left image, central image, and right image) included in the panorama video data is defined as a base view, and 0011 is defined as the image (left image, central image, and right image) included in the panorama video data The center image can be defined as the base view.

Referring again to FIG. 10, for example, a field "Panorama_View_Type" may be inserted into the region of bytes 1040 ((PBo + 3) *) to be added in the vendor specific info frame. For example, the "Panorama_View_Type" field may be composed of 4 bits.

FIG. 13 is a diagram showing an example of values and meanings of the "Panorama_View_Type" field inserted into a vendor specific info frame according to an embodiment of the present invention.

For example, 0001 as the value of the "Panorama_Base_View" field defines that the image corresponding to the corresponding video data in the panorama video data is the left image, and 0010 indicates that the image corresponding to the corresponding video data in the panorama video data is the right image , And 0011 can be defined as an image corresponding to the corresponding video data in the panorama video data is a central image.

The configuration modules of the display device 100 described above with respect to FIG. 3 will now be described with particular reference to an embodiment of the invention described above with respect to FIGS. 7-13.

The external device interface unit 120 of the display device 100 may transmit an EDID including its own display capability information to the source device when a connection of the source device is detected.

The source device connected to the external device interface unit 120 can determine whether or not the display device 100 can receive and process the panoramic video data based on the EDID transmitted from the display device 100. [ The source device can determine that the display device 100 supports the function of receiving and processing the panorama video data when the "Panorama_View" field in the EDID is set to "1".

Then, the source device transmits a TMDS-based video frame including a video data section including panorama video data, a video data island section including information necessary for processing the panorama video data, and a control section to the external device interface section 120 To the display device 100 via the display device 100. In the video data island section included in the video frame corresponding to the panorama video data, information on the aspect ratio of the panorama video data, information (left video, center video and right video, left video and right video ), And information on which of the entire panoramic video data is to be displayed as a base view, and when a video corresponding to the corresponding video data is output to the sink device, either the left video, the central video and the right video (or the left video and the right video) And information indicating whether the image corresponds to the image. The information necessary for processing the above-described panorama video data may be embedded in the vendor specific information frame.

The external device interface unit 120 of the display device 100 may receive a video frame corresponding to the panorama video data transmitted from the source device.

When the "Panorama_Valid" field in the vendor specific info frame is set to 1, the control unit 140 of the display device 100 parses the vendor specific info frame and stores the information of the "Panorama_Service_Type", "Panorama_Base_View" and "Panorama_View_Type" Can be extracted.

When the corresponding display device 100 is set as a left screen in the multi-screen system 1000, the control unit 140 of the display device 100 determines whether or not the left screen is displayed based on the information of the extracted "Panorama_View_Type & And outputs the processed video data to the display unit 150. On the other hand, when the corresponding display device 100 is set as the center screen in the multi-screen system 1000, the control unit 140 of the display device 100 displays the central image, based on the extracted information of the "Panorama_View_Type & And outputs the processed video data to the display unit 150. [0064] FIG. Likewise, when the corresponding display device 100 is set as a light screen in the multi-screen system 1000, the control unit 140 of the display device 100 displays the right image And outputs the processed video data to the display unit 150. [0064] FIG.

A user command for setting the display device 100 as a left screen, a center screen, or a light screen is received through the user interface unit 180. The control unit 140 may set the display device 100 as a left screen, a center screen, or a light screen in accordance with the received user command.

The external device interface unit 120 or the network interface unit 113 may transmit video data corresponding to the left image, the central image, and / or the right image to the other display device 100 in the multi-screen system 1000, Can be transmitted. For convenience of explanation, the display device 100 may be referred to as a first display device, and another display device 100 in the multi-screen system 1000 may be referred to as a second display device. For example, the video data transmitted to the second display device 200 through the external device interface unit 120 or the network interface unit 113 may not include video data to be output from the first display device 100 have. The external device interface unit 120 or the network interface unit 113 of the first display device 100 may transmit the vendor specific info frame itself included in the data island period to the second display device 100, Panorama_Service_Type ", "Panorama_Base_View ", and" Panorama_View_Type "fields to the second display device 100.

For example, when the first display device 100 is set as a left screen, the external device interface unit 120 transmits video data corresponding to both the left image, the center image, and the right image to the second display device 100 The video data corresponding to the central image and the right image excluding the video data corresponding to the left image to be processed and output to the first display device 100 may be transmitted to the second display device 100, If the first display device 100 can know that the second display device 100 is set as the central image, only the video data corresponding to the central image may be transmitted to the second display device 100.

14 is a diagram illustrating a multi-screen system including a display device according to an embodiment of the present invention.

The multi-screen system 1000 includes a plurality of display devices 100.

Each of the plurality of display devices 100 may receive a video frame containing the panoramic video data from the source device 1100 through the external device interface unit 120. [ For example, the external device interface unit 120 may be HDMI, and the video frame may be a TMDS-based video frame.

Referring to Figure 14 (a), the multi-screen system 1000 includes a first display device 100a and a second display device 100b. For example, the display unit 150 of each of the first and second display devices 100a and 1400b has an aspect ratio of 16: 9 (width: length) It is assumed that the device interface unit 120 receives a video frame including panorama video data having an aspect ratio of 32: 9.

The first display device 100a may be set as a left screen and the second display device 100b may be set as a right screen.

The first display device 100a can process the video data corresponding to the left image based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame and output the processed video data to the display unit 150 have.

The second display device 100b can process the video data corresponding to the right video image and output the processed video data to the display unit 150 based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame have.

14 (b), the multi-screen system 1000 includes a first display device 100a, a second display device 100b, and a third display device 100c. For example, the display unit 150 of each of the first, second, and third display devices 100a, 100b, and 100c has an aspect ratio of 16: 9 (horizontal: vertical) 100a, 100b, and 100c assume that each external device interface 120 receives a video frame containing panorama video data having an aspect ratio of 48: 9.

The first display device 100a is set as a left screen, the second display device 100b is set as a center screen, the third display device 100c is set as a right screen, .

The first display device 100a can process the video data corresponding to the left image based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame and output the processed video data to the display unit 150 have.

The second display device 100b can process the video data corresponding to the central image and output the processed video data to the display unit 150 based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame have.

The third display device 100c may process the video data corresponding to the right video image and output the processed video data to the display unit 150 based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame have.

15 is a diagram illustrating a multi-screen system including a display device according to another embodiment of the present invention.

The multi-screen system 100 includes a plurality of display devices 100.

At least one of the plurality of display devices 100 may receive a video frame containing the panoramic video data from the source device 1100 through the external device interface unit 120. [ For example, the external device interface unit 120 may be HDMI, and the video frame may be a TMDS-based video frame.

In FIG. 15, it is assumed that only one display device 100 receives a video frame including panorama video data through the external device interface unit 120.

Referring to FIG. 15A, the multi-screen system 1000 includes a first display device 100a and a second display device 100b. The first display device 100a may be referred to as a main device, and the second display device 100b may be referred to as a sub device.

The first display device 100a receives the video frame for the panoramic video data from the source device 1100 through the external device interface unit 120. [ The second display device 100b does not receive the video frame for the panoramic video data from the source device 1100 through the external device interface unit 120. [

The second display device 100b may be connected to the first display device 100a via an external device interface unit 120 or wirelessly.

For example, the display unit 150 of each of the first and second display devices 100a and 1400b has an aspect ratio of 16: 9 (horizontal: vertical), and the external device interface unit 120 of the first display device 100a ) Is assumed to receive a video frame containing panoramic video data having an aspect ratio of 32: 9.

The first display device 100a may be set as a left screen and the second display device 100b may be set as a right screen.

The first display device 100a can process the video data corresponding to the left image based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame and output the processed video data to the display unit 150 have.

The external device interface unit 120 of the first display device 100a can transmit the video data corresponding to the right image to the second display device 100b. The external device interface 120 of the first display device 100a may transmit the video frame itself for the panoramic video data to the second display device 100b and may transmit the panoramic video data to the second display device 100b, The video data corresponding to the right video can be transmitted to the second display device 100b without the video data corresponding to the left video outputted. The external device interface unit 120 of the first display device 100a can also transmit information necessary for processing the panorama video data to the second display device 100b.

The external device interface unit 120 of the second display device 100b receives the information necessary for processing the panorama video data and the video data corresponding to the right image from the first display device 100a. The external device interface 120 of the second display device 100b may receive the video frame itself for the panoramic video data from the first display device 100a or may receive the panoramic video data And video data corresponding to the right image may be received except for the video data corresponding to the left image.

The second display device 100b may process the video data corresponding to the right image based on the information necessary for processing the panorama video data and output the processed video data to the display unit 150. [

15 (b), the multi-screen system 1000 includes a first display device 100a, a second display device 100b, and a third display device 100c. The first display device 100a may be referred to as a main device, the second display device 100b may be referred to as a first sub device, and the third display device 100c may be referred to as a second sub device.

The first display device 100a receives the video frame for the panoramic video data from the source device 1100 through the external device interface unit 120. [ The second display device 100b and the third display device 100c do not receive the video frame for the panoramic video data from the source device 1100 through the external device interface unit 120. [

The second display device 100b may be connected to the first display device 100a via an external device interface unit 120 or wirelessly. Also, the third display device 100c may be connected to the second display device 100b via the external device interface unit 120, either wirelessly or wirelessly. The third display device 100c may be connected to the first display device 100a through the external device interface unit 120. [ For example, FIG. 15 illustrates that the first, second, and third display devices 100a, 100b, and 100c are connected in a daisy chain fashion.

For example, the display unit 150 of each of the first, second, and third display devices 100a, 100b, and 100c has an aspect ratio of 16: 9 (width: length) It is assumed that the interface unit 120 receives a video frame including panorama video data having an aspect ratio of 48: 9.

The first display device 100a may be set as a left screen, the second display device 100b may be set as a center screen, and the third display device 100c may be set as a light screen.

The first display device 100a can process the video data corresponding to the left image based on the information necessary for processing the panorama video data inserted in the video data island interval in the video frame and output the processed video data to the display unit 150 have.

The external device interface unit 120 of the first display device 100a may transmit the video data corresponding to the central image and the right image to the second display device 100b. The external device interface 120 of the first display device 100a may transmit the video frame itself for the panoramic video data to the second display device 100b and may transmit the panoramic video data to the second display device 100b, Device 100b, or may transmit video data corresponding to the central image and the right image to the second display device 100b, except for the video data corresponding to the output left image. The external device interface unit 120 of the first display device 100a can also transmit information necessary for processing the panorama video data to the second display device 100b.

The external device interface unit 120 of the second display device 100b receives the information necessary for processing the panorama video data and the video data corresponding to the right image from the first display device 100a. The external device interface 120 of the second display device 100b may receive the video frame itself for the panoramic video data from the first display device 100a or may receive the panoramic video data And may also receive video data corresponding to the central image and the right image, except for the video data corresponding to the left image.

The second display device 100b may process the video data corresponding to the right image based on the information necessary for processing the panorama video data and output the processed video data to the display unit 150. [

The external device interface unit 120 of the second display device 100b may transmit the video data corresponding to the right image to the third display device 100c. According to an embodiment, the external device interface 120 of the second display device 100b may transmit the video frame itself for panorama video data to the third display device 100c, The video data corresponding to the central image and the right image may be transmitted to the third display device 100c or the video data corresponding to the outputted central image may be transmitted to the device 100c, To the third display device 100c. The external device interface unit 120 of the second display device 100a can also transmit information necessary for processing the panorama video data to the third display device 100c.

The external device interface unit 120 of the third display device 100c receives the information necessary for processing the panorama video data and the video data corresponding to the right image from the second display device 100b. According to an embodiment, the external device interface portion 120 of the third display device 100c may receive the video frame itself for the panorama video data from the second display device 100b, or may receive the panorama video data And may receive video data corresponding to a central image and a right image, or may receive video data corresponding to a right image except for video data corresponding to a central image.

The third display device 100c may process the video data corresponding to the right image based on the information necessary for processing the panorama video data and output the processed video data to the display unit 150. [

Hereinafter, a method of setting the display device 100 as a left screen, a center screen, or a light screen using the remote controller 200 will be described with reference to FIGS. 16 to 18. FIG.

16 is a diagram illustrating a multi-screen system including a display device according to an embodiment of the present invention.

The multi-screen system 1000 includes a display device 100a, a display device 100b, and a display device 100c. Each of the first, second, and third display devices 100a, 100b, and 100c receives a data frame for panorama video data through the external device interface unit 120. [

The first display device 100a may be set as a left screen, the display device 100b may be set as a center screen, and the third display device 100c may be set as a light screen. The setting to the left screen, the center screen and the light screen can be made individually in each of the display devices 100.

First, when a user selects a specific key provided on the remote controller 200 toward the first display device 100a or selects a specific key provided on the display unit 150 of the first display device 100a using the remote controller 200 When the menu button is selected, the first GUI 310 for setting the environment can be displayed.

The first display device 100a may receive a user command from the remote controller 200 through the user interface unit 180. [

When the user selects the panorama item 311 in the first GUI 310 using the remote controller 200, the second GUI 320 can be displayed as a submenu. The user can set the first display device 100a as a left screen through the screen setting item 321 in the second GUI 320. [

Likewise, the user can set the second display device 100b as a center screen by inputting a user command with the remote controller 200 facing the second display device 100b. In addition, the user can set the third display device 100c as a light screen by inputting a user command while the remote controller 200 faces the third display device 100c.

17A to 17C are diagrams illustrating a multi-screen system including a display device according to another embodiment of the present invention.

The multi-screen system 1000 includes a first display device 100a, a second display device 100b and a third display device 100c. The first display device 100a may be referred to as a main device, the second display device 100b may be referred to as a first sub device, and the third display device 100c may be referred to as a second sub device.

The first display device 100a receives the data frame for the panoramic video data from the source device through the external device interface unit 120. [ The second display device 100b and the third display device 100c do not receive the data frame for the panoramic video data from the source device through the external device interface unit 120. [

17A, the second display device 100b is connected to the first display device 100a via the external device interface unit 120, and the third display device 100c is connected to the external device interface unit 120. [ The second display device 100b may be connected to the second display device 100b via a wireless connection 120. [ In some cases, the third display device 100c may be connected to the first display device 100a via the external device interface unit 120 or wirelessly.

The first display device 100a may be set as a left screen, the second display device 100b may be set as a center screen, and the third display device 100c may be set as a light screen. The second display device 100b and the third display device 100c are recognized as external devices of the first display device 100a so that the user can select the second and third display devices 100b, 100c.

The user can select a specific key provided to the remote controller 200 toward the first display device 100a or use the remote controller 200 to display the menu button displayed on the display unit 150 of the first display device 100a The first GUI 310 for setting the environment can be displayed.

When the user selects the panorama item 311 in the first GUI 310 using the remote controller 200, the second GUI 320 can be displayed as a submenu.

The second GUI 320 may include a screen setting item 321, an external device detection item 322, and a confirmation item 323.

The user can select whether the first display device 100a is set as a left screen, a center screen, or a light screen through the screen setting item 321. [

The user can confirm the number of sub devices connected to the first display device 100a through the external device detection item 322. [ For example, even when the third display device 100c is connected only to the display device 100b and receives the control signal of the first display device 100a via the second display device 100b, 100c may be recognized as a sub device connected to the display device 100a.

When the user selects the left screen in the screen setting item 321 and selects the confirmation item 323, the first display device 100a is set as the left screen and the second display device 100b and the third display device 100c are automatically set to the center screen and the light screen, respectively.

According to the embodiment, when the user selects the left screen in the screen setting item 321 so as to allow the user to recognize the screen setting state, the left screen is instructed to the display unit 150 of the first display device 100a The screen guidance OSD 330 is displayed and the screen guidance OSD 330 indicating the center screen is displayed on the display unit 150 of the second display device 100b and the third display device 100c indicates the light screen Screen guidance OSD 330 may be displayed.

Referring to FIG. 17B, the first display device 100a is set as a light screen, and the second display device 100b and the third display device 100c are set as a center screen and a left screen, respectively, unlike the case of FIG. Respectively.

According to the embodiment, when the user selects the light screen in the screen setting item 321 so that the user can recognize the screen setting state, the user instructs the display unit 150 of the first display device 100a to display the light screen The screen guidance OSD 330 is displayed and the screen guidance OSD 330 indicating the center screen is displayed on the display unit 150 of the second display device 100b and the third display device 100c is pointing to the left screen Screen guidance OSD 330 may be displayed.

17C, the second display device 100b is connected to the first display device 100a via the external device interface unit 120, and the third display device 100c is connected to the external device interface unit 120. [ And may be connected to the first display device 100a through the second display device 120 or wirelessly.

The first display device 100a is set as the center screen, and the second display device 100b and the third display device 100c are automatically set as the left screen and the light screen, respectively.

According to the embodiment, when the user selects the center screen in the screen setting item 321 so that the screen setting state can be recognized by the user, the display unit 150 of the first display device 100a is instructed to display the center screen The screen guidance OSD 330 is displayed and a screen guidance OSD 330 indicating the left screen is displayed on the display portion 150 of the second display device 100b and the third display device 100c indicates the light screen Screen guidance OSD 330 may be displayed.

18A and 18B are diagrams illustrating a multi-screen system including a display device according to another embodiment of the present invention.

The multi-screen system 1000 includes a first display device 100a, a second display device 100b and a third display device 100c. The first display device 100a may be referred to as a main device, the second display device 100b may be referred to as a first sub device, and the third display device 100c may be referred to as a second sub device.

The first display device 100a receives the data frame for the panoramic video data from the source device through the external device interface unit 120. [ The second display device 100b and the third display device 100c do not receive the data frame for the panoramic video data from the source device through the external device interface unit 120. [

The second display device 100b is connected to the first display device 100a via the external device interface unit 120 and the third display device 100c is connected to the external device interface unit 120 through the external device interface unit 120. [ 1 display device 100a.

The user can select a specific key provided to the remote controller 200 toward the first display device 100a or use the remote controller 200 to display the menu button displayed on the display unit 150 of the first display device 100a The first GUI 310 for setting the environment can be displayed.

When the user selects the panorama item 311 in the first GUI 310 using the remote controller 200, the second GUI 320 can be displayed as a submenu.

The user can select to set the first display device 100a as a center screen through the screen setting item 321. [

According to the embodiment, when the user selects the center screen in the screen setting item 321 so that the screen setting state can be recognized by the user, the display unit 150 of the first display device 100a is instructed to display the center screen The screen guidance OSD 330 is displayed and a screen guidance OSD 330 indicating the left screen is displayed on the display portion 150 of the second display device 100b and the third display device 100c indicates the light screen Screen guidance OSD 330 may be displayed.

18A, when the center screen is selected in the screen setting item 321, the swap item 324 in the second GUI 320 can be activated. As shown in FIG. 18B, when the user selects the swap item 324, the screen setting states of the second display device 100b and the third display device 100c may be switched to each other. If the user selects the swap item 324 in the second GUI 320 while the second display device 100b is automatically set to the left screen and the third display device 100c is automatically set to the light screen, The device 100b may be changed to a light screen and the third display device 100c may be changed to a left screen.

Although the drawings have been described for the sake of convenience of explanation, it is also possible to combine the embodiments described in the drawings to design a new embodiment. It is also within the scope of the present invention to design a computer-readable recording medium in which a program for executing the previously described embodiments is recorded according to the needs of those skilled in the art.

The multimedia device and its operation method according to the present invention are not limited to the configuration and method of the embodiments described above but can be applied to all or some of the embodiments so that various modifications can be made. Or may be selectively combined.

Meanwhile, the method of operating the multimedia device of the present invention can be implemented as a code that can be read by a processor on a recording medium readable by a processor included in the display device. The processor-readable recording medium includes all kinds of recording apparatuses in which data that can be read by the processor is stored. Examples of the recording medium that can be read by the processor include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet . In addition, the processor-readable recording medium may be distributed over network-connected computer systems so that code readable by the processor in a distributed fashion can be stored and executed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

In this specification, both the invention and the invention of the method are explained, and the description of the two inventions can be supplementarily applied as necessary.

100: sink device
1000: Multi-screen system
1100: Source device

Claims (17)

A method of processing panoramic video data,
Receiving, at the source device, an EDID including information about a display capability from a sink device;
Generating, at the source device, a video frame for the panoramic video data if the received EDID includes first information indicating that the sink device is capable of processing the panoramic video data; And
And transmitting, at the source device, the generated video frame to the sink device. The method according to claim 1,
Wherein generating the video frame comprises:
Inserting panoramic video data into a video data section in the video frame; And
And inserting third information for describing that the data inserted in the video data section is panorama video data and third information for describing the aspect ratio of the panorama video data into the data island section in the video frame Processing method. 3. The method of claim 2,
Wherein the third information describes that the aspect ratio of the panorama video data is 32: 9 or 48: 9. The method according to claim 1,
Wherein the first information is inserted into a Vendor Specific Data Block in an EDID. 3. The method of claim 2,
Wherein the second information and the third information are included and signaled in a Vendor Specific InfoFrame packet according to the HDMI standard. 3. The method of claim 2,
Wherein generating the video frame comprises:
The fourth information on which of the left image, the central image, and the right image included in the panorama video data is to be displayed as the base view, and the fourth information on which the image corresponding to each video data among the entire panorama video data is the left image, And inserting fifth information indicating which image corresponds to a data island section in the video frame. A method of processing panoramic video data,
In a sink device, sensing a connection of a source device;
Transmitting, at the sink device, an EDID including information about the display capability to the source device;
Receiving, at the sink device, a video frame for panoramic video data;
Extracting, from the video frame, first information for explaining that the data inserted in the video data section in the video frame is panorama video data, and second information for explaining the aspect ratio of the panorama video data; And
Processing the panoramic video data based on the extracted first information and second information, and outputting the processed panoramic video data. 8. The method of claim 7,
Wherein the first information and the second information are obtained by parsing a vendor specific InfoFrame packet included in the video data island section. 9. The method of claim 8,
The third information on which of the left image, the center image, and the right image included in the panorama video data is to be base-viewed, and the third information on the basis of the video corresponding to each video data in the entire panorama video data, And obtaining fourth information indicating which of the left image, the center image, and the right image corresponds to the first panorama image. 10. The method of claim 9,
Wherein the step of processing and outputting the panorama video data comprises:
Processing the video data corresponding to any one of the left image, the central image, and the right image included in the panorama video data based on the fourth information, and outputting the processed video data. 10. The method of claim 9,
And transmitting video data corresponding to at least one of a left image, a center image and a right image included in the panorama video data to an external display device based on the fourth information, Processing method. 12. The method of claim 11,
Wherein the video data transmitted to the external display device does not include the output video data. A sink device for receiving and processing panorama video data,
An external device interface unit for connecting the source device;
A display unit; And
And a control unit,
Wherein,
Controlling the external device interface unit to transmit an EDID including information on a display capability to the source device when connection of the source device is detected to the external device interface unit,
Controlling the external device interface unit to receive a video frame for panoramic video data from the source device,
Extracting from the received video frame first information for explaining that the data inserted in the video data section in the video frame is panorama video data and second information for explaining the aspect ratio of the panorama video data,
Processing the panorama video data based on the extracted first information and second information, and outputting the processed panorama video data to the display unit. 14. The method of claim 13,
Wherein the first information and the second information are obtained by parsing a vendor specific InfoFrame packet included in the video data island section. 15. The method of claim 14,
The control unit parses the vendor specific info frame packet to generate third information on which of the left image, the central image, and the right image included in the panorama video data is to be the base view, and the third information on each video data And the fourth information indicating which of the left image, the center image, and the right image corresponds to the image corresponding to the first image. 16. The method of claim 15,
Wherein the control unit processes video data corresponding to any one of a left image, a center image, and a right image included in the panorama video data based on the fourth information, and outputs the processed video data to the display unit. 16. The method of claim 15,
And controls the external device interface unit to transmit video data corresponding to at least one of a left image, a center image, and a right image included in the panorama video data to an external device based on the fourth information.
KR1020140151894A 2014-11-04 2014-11-04 Method and apparatus for processing panorama video data KR20160052095A (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2018030829A1 (en) 2016-08-12 2018-02-15 Samsung Electronics Co., Ltd. Image display apparatus and operating method thereof
US11317072B2 (en) 2017-08-16 2022-04-26 Samsung Electronics Co., Ltd. Display apparatus and server, and control methods thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018030829A1 (en) 2016-08-12 2018-02-15 Samsung Electronics Co., Ltd. Image display apparatus and operating method thereof
KR20180018169A (en) * 2016-08-12 2018-02-21 삼성전자주식회사 Image display apparatus and operating method for the same
EP3479590A4 (en) * 2016-08-12 2019-05-08 Samsung Electronics Co., Ltd. Image display apparatus and operating method thereof
CN109792561A (en) * 2016-08-12 2019-05-21 三星电子株式会社 Image display and its operating method
US10587869B2 (en) 2016-08-12 2020-03-10 Samsung Electronics Co., Ltd. Image display apparatus and operating method thereof
US11317072B2 (en) 2017-08-16 2022-04-26 Samsung Electronics Co., Ltd. Display apparatus and server, and control methods thereof

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