WO2012017687A1 - Dispositif de reproduction d'image - Google Patents

Dispositif de reproduction d'image Download PDF

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Publication number
WO2012017687A1
WO2012017687A1 PCT/JP2011/004467 JP2011004467W WO2012017687A1 WO 2012017687 A1 WO2012017687 A1 WO 2012017687A1 JP 2011004467 W JP2011004467 W JP 2011004467W WO 2012017687 A1 WO2012017687 A1 WO 2012017687A1
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WIPO (PCT)
Prior art keywords
video
content
superimposed
display
unit
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Application number
PCT/JP2011/004467
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English (en)
Japanese (ja)
Inventor
久野　良樹
忠義 奥田
尋紀 稲垣
Original Assignee
パナソニック株式会社
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Priority to JP2012527612A priority Critical patent/JPWO2012017687A1/ja
Publication of WO2012017687A1 publication Critical patent/WO2012017687A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
    • H04N13/183—On-screen display [OSD] information, e.g. subtitles or menus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes

Definitions

  • the technical field relates to a video playback device, and more particularly, to a video playback device capable of playing back a stereoscopically visible video (stereoscopic video).
  • 3D televisions, etc. capable of displaying stereoscopic images (3D images) has been rapidly progressing.
  • the reason for this is that 3D movies were hit in movie theaters and some broadcasting stations started 3D broadcasting in BS (Broadcasting Satellite) digital broadcasting and CS (Communications Satellite) digital broadcasting.
  • BS Broadcasting Satellite
  • CS Commonations Satellite
  • One is a method of observing the 3D image projected by the display device with the naked eye of the observer.
  • this method include a parallax barrier method and a lenticular method as disclosed in Patent Document 1 and Patent Document 2, for example.
  • the other is a method of observing a 3D image projected by a display device by an observer wearing dedicated glasses.
  • a method in which a special film is pasted on a television and an observer observes 3D video by wearing deflection glasses Patent Document 4 and Patent Document As disclosed in FIG. 5, there is a method in which an observer observes a 3D image by wearing liquid crystal shutter glasses.
  • the 3D video is configured to include a video presented to the left eye of the observer (left-eye video) and a video presented to the right eye (right-eye video), from the source device to the sink device (display device). Entered.
  • One is a method of inputting a 1-frame image including a left-eye image and a right-eye image of a 3D image to a display device.
  • the other is a method of inputting the left-eye video frame and the right-eye video frame to the display device alternately in time.
  • a typical example of the former method is a top-and-bottom method.
  • this top-and-bottom method for example, when a 3D image has 1920 ⁇ 1080 pixels, the number of pixels in the vertical direction of each of the left-eye image and the right-eye image is reduced to half, and a left-eye image of 1920 ⁇ 540 pixels Then, a right-eye image is generated, and one lower end and the other upper end are combined to form a 1920 ⁇ 1080 one-frame image, and the one-frame image thus configured is input to the display device.
  • the left-eye image and the right-eye image of 960 ⁇ 1080 pixels are generated by reducing the number of horizontal pixels of the left-eye image and the right-eye image in half. These are combined at the right end of one side and the left end of the other to form a 1920 ⁇ 1080 frame image, and the frame image thus configured is input to the display device.
  • 3D broadcasting etc. in BS / CS digital broadcasting introduced earlier will be carried out in a side-by-side manner.
  • 3D video can be used in a side-by-side format for content that is recorded and distributed on recording media such as optical discs (DVD, Blu-ray discs, etc.) and memory cards, and content that is distributed via networks such as the Internet. There is 3D content in which is recorded.
  • the display device When a 3D video signal is input to the display device according to a method such as a top-and-bottom method or a side-by-side method, the display device receives a user instruction or a signal input together with the 3D video signal. Then, one frame of the video is divided vertically or horizontally, and appropriate scaling is performed to generate a left-eye video and a right-eye video, and 3D video display is performed.
  • a method such as a top-and-bottom method or a side-by-side method
  • the display device receives a user instruction or a signal input together with the 3D video signal. Then, one frame of the video is divided vertically or horizontally, and appropriate scaling is performed to generate a left-eye video and a right-eye video, and 3D video display is performed.
  • the observer can sense a sense of depth according to the parallax included in the left-eye video and the right-eye video by observing the left-eye video and the right-eye video displayed on the display device with the left eye or the right eye.
  • the video playback device not only generates a video (content video) based on data provided from a video source such as a tuner, an optical disc drive, a hard disk drive, and a memory card, but also sends the video to the display device.
  • a video source such as a tuner, an optical disc drive, a hard disk drive, and a memory card
  • the video By superimposing the video (superimposed video), additional information can be given to the video and sent to the display device.
  • the superimposed video is an on-screen display (On-screen display) showing operation screens of various devices such as subtitles and graphics based on data provided from a recording medium such as a broadcast wave or an optical disc, and a video playback device and the state of the device.
  • Screen Display (OSD))
  • FIG. 8A shows that the video playback apparatus superimposes the superimposed video (OSD100 and OSD200) on the content video that is a 3D video (including the left-eye video region L ′ and the right-eye video region R ′) in a side-by-side format.
  • the video (content video) on which the superimposed video is superimposed is a 3D video in a side-by-side format (hereinafter also referred to as “SBS system”)
  • a normal video (non-3D) is used.
  • the superimposed video is superimposed in the same manner as the superimposed video is superimposed on the video).
  • the content video (video on which the superimposed video is superimposed) is a 3D video such as the SBS method (or the top-and-bottom method)
  • the visibility of the superimposed video is high. There was a decline.
  • the present embodiment provides a video playback device that can suppress a reduction in the visibility of a superimposed video.
  • One aspect thereof is a decoder unit that decodes input stream data to generate a content video, a creation unit that creates a superimposed video to be superimposed on the content video, and an output video that is superimposed on the content video. And a control unit for controlling the creation unit and the synthesis unit.
  • the control unit determines whether the content video is a 2D video or a 3D video based on the stream data. Based on the determination, the composition unit superimposes the superimposed video on the content video in the first format, and the content video is the 3D video based on the determination. In this case, the video playback device superimposes the superimposed video on the content video in a second format different from the first format.
  • the video playback device superimposes the superimposed video on the content video in the first format when the content video is 2D video, and the first format when the content video is 3D video.
  • the superimposed video is superimposed on the content video in a second mode different from the above. By doing so, a reduction in the visibility of the superimposed image when 3D display is performed on the display device is suppressed.
  • FIG. 1 is a configuration diagram of a video playback display system including a video playback device according to an embodiment.
  • the block diagram which shows the structure of the video reproduction apparatus by embodiment Flowchart of processing performed by video reproduction apparatus according to embodiment Figure showing the OSD video superposition mode and VSI flag superposition / non-superimposition according to various conditions.
  • Flowchart of processing performed by video reproduction apparatus according to embodiment 1 is a configuration diagram of a video playback display system including a video playback device according to an embodiment.
  • Flowchart of processing performed by video reproduction apparatus according to embodiment Example of video generated by superimposing OSD on side-by-side 3D video The figure which shows the example of an image displayed when the image
  • the video playback apparatus When the video playback apparatus according to the present embodiment generates an output video by superimposing another video on the video, the output video is output so that the other video is correctly displayed when the output video is displayed in 3D by the display device. Generate video.
  • the video is a video generated based on data included in a recording medium such as a broadcast wave or an optical disc (video source), and includes a normal video (non-3D video), a side-by-side format, and a top-and-bottom. Includes 3D images such as methods.
  • a video on which another video is superimposed is referred to as “content video” (content image, content picture).
  • content video content image, content picture
  • 3D content video 3D video
  • SBS format side-by-side format
  • the present invention is not limited to 3D video configured, and includes 3D video configured in another system such as a top-and-bottom system.
  • Another video is an on-screen display that shows the operation screens of various devices such as subtitles, graphics, and video playback devices, and the status of the devices, based on data contained in recording media such as broadcast waves and optical disks (video sources).
  • OSD On-Screen Display
  • subtitles and graphics may be generated based on information included as video data in the video source, or the video playback device may be built in based on character information or graphic drawing information included in the video source. It may be generated by font data or a drawing function.
  • the OSD may be generated by icon video data, font data, and a drawing function built in the video playback device.
  • FIG. 1 is a configuration diagram of a 3D video playback display system configured to include a video playback device 1 according to the first embodiment.
  • This system is a type of 3D video reproduction display system that performs 3D video display using dedicated glasses.
  • the video playback apparatus 1 according to the present embodiment can also be applied to a 3D video playback display system of a type that displays 3D video by a system different from the system.
  • the playback device 1 receives 2D broadcasts (non-3D broadcasts) and 3D broadcasts (SBS method, etc.) (hereinafter, may be collectively referred to as “broadcasts”), and transmits 2D videos and 3D videos via the transmission path 4. It can be output to the video playback device 2.
  • the transmission line 4 is, for example, a transmission line that conforms to the HDMI standard. Further, the playback device 1 may have a function of recording and playing back a broadcast.
  • the playback device 1 has a function of notifying the display device 2 that the output video is a 3D video when receiving or playing back the 3D broadcast and outputting the 3D video to the display device 2.
  • the display device 2 can receive the notification from the playback device 1, and has a function of automatically switching the video display mode between the 2D display mode and the 3D display mode based on the notification. Details of a method for the playback device 1 to notify the display device 2 whether the output video is 2D video or 3D video will be described later.
  • the glasses 3 are glasses for observing a 3D image, and the observer can perceive a sense of depth of the image by wearing this and observing the 3D image displayed on the display device 2.
  • the glasses 3 are, for example, liquid crystal shutter type 3D glasses.
  • the display device 2 controls the opening / closing of the shutter of the glasses 3 so as to synchronize with the display timing of the left-eye video and the right-eye video.
  • the wireless transmission path 5 is used. Thereby, only the left eye image is presented to the left eye of the observer, and conversely, only the right eye image is presented to the right eye.
  • the various methods introduced above can be adopted.
  • FIG. 2 is a block diagram showing the configuration of the playback apparatus 1 according to this embodiment.
  • the playback apparatus 1 includes a video source including a tuner 12 that receives an electric signal from an antenna 13 that receives broadcast waves, an optical disk drive 14 that records broadcasts on an optical disk 15 (such as a writable DVD or a writable Blu-ray disk), and the like.
  • OSD on-screen display
  • OSD creation unit that creates OSD video (superimposed video) to be superimposed on content video 0 and has a remote control signal receiving unit 21 that receives a signal from an unillustrated remote controller, a central processing unit (CPU) 19 for controlling the reproduction device 1, a.
  • the optical disk drive 14 can also read 2D / 3D content recorded on a read-only DVD or Blu-ray disc.
  • the video source unit 11 may include a hard disk drive, a semiconductor memory, a nonvolatile memory, and the like in addition to the tuner 12 and the optical disk drive 14.
  • decoder unit 16 can also acquire and output subtitle and graphics information from the stream signal.
  • the OSD synthesis unit 17 can also superimpose subtitles and graphics video on the content video.
  • the OSD creation unit 20 can create a video of subtitles or graphics.
  • the tuner 12 receives a broadcast wave, generates a transport stream signal based on the broadcast wave, and outputs the transport stream signal to the decoder unit 16.
  • broadcast flag information that enables the video reproduction device 1 to identify broadcast contents (2D broadcast, SBS 3D broadcast, top-and-bottom 3D broadcast).
  • the broadcast flag information may be superimposed on, for example, a transport stream PMT (program map table) or a video signal.
  • the broadcast flag information may be stored in the user data area or the like in the picture header extension area of the picture header when the video is compressed by the MPEG2 system.
  • SEI Frarame packing arrangement SEI
  • the decoder unit 16 outputs a content video signal, an audio signal, and the like based on the input from the video source unit 11 (hereinafter referred to as “decode”).
  • the decoder 16 when reproducing a broadcast recorded in advance on the optical disc 15, the decoder 16 decodes the signal read from the optical disc 15.
  • the decoder unit 16 partializes the transport stream signal input from the tuner 12 and outputs it to the optical disc drive 14.
  • the decoder unit 16 may once decode the transport stream signal from the tuner 12 and output it to the optical disc drive 14 after being compressed again by an encoder (not shown).
  • the decoder unit 16 first determines the broadcast flag from the broadcast wave.
  • an encoder (not shown) inserts broadcast flag information into the compressed data before recompression according to the detection result.
  • the broadcast flag information to be inserted into the compressed data may be stored, for example, in the user data of the extension of the picture header, for example, when compressed by the MPEG2 system.
  • the broadcast flag information may be stored in the Frame packing arrangement SEI.
  • broadcast flag information indicating 2D broadcasting may be inserted into the compressed data, or broadcast flag information may not be inserted.
  • the broadcast flag information indicating 2D broadcasting is not inserted into the compressed data at the time of recompression, so that compatibility with existing playback devices can be completely ensured.
  • the decoder of the playback device misinterprets user data of undefined broadcast flag information and affects the playback operation. Can be avoided.
  • the decoder unit 16 analyzes the input transport stream in addition to the decoding process to determine whether the broadcast (content) is 2D broadcast (2D content) or 3D broadcast based on the broadcast flag information ( 3D content). Furthermore, when the broadcast (content) is a 3D broadcast (3D content), the decoder unit 16 can detect whether the SBS method or the top-and-bottom method. The decoder unit 16 notifies the CPU 19 of the detection result based on the broadcast flag information. Based on the notification, the CPU 19 determines whether the content video type is 2D video, SBS 3D video, top-and-bottom 3D video, or the like to the OSD creation unit 20 or the OSD synthesis unit 17. To be notified.
  • the OSD creation unit 20 creates data of an operation screen image (that is, an OSD image) of the apparatus based on a notification (instruction) from the CPU 19.
  • the OSD synthesis unit 17 generates an output video by superimposing the OSD video (superimposed video) created by the OSD creation unit 20 on the video (content video) decoded and output by the decoder unit 16, and the generated output The video is output to the HDMI output unit 18.
  • the OSD combining unit 17 combines the OSD video with the content video in the normal format, the SBS format, or the top-and-bottom format based on an instruction from the CPU 19.
  • the normal format is a composite format (OSD is correctly displayed) that is suitable when the content video is a 2D video
  • the SBS format is a content video that is an SBS 3D video
  • a display device 2 is a composite format in which the OSD is displayed correctly (in the desired shape, size, and position) when the video is displayed in 3D.
  • the top-and-bottom format is the top content video. This is a combination mode in which the OSD is correctly displayed (in the desired shape and size and in the expected position) when the display device 2 displays the video in 3D, in the case of an and bottom 3D video.
  • the OSD synthesis unit 17 may output the audio signal as it is without performing any processing.
  • the OSD composition unit 17 synthesizes each OSD video into a left-eye video area and a right-eye video area of the content video, respectively.
  • each OSD video is synthesized with a size that fits in each of the left-eye video region and the right-eye video region.
  • the position where each OSD video is combined is a position corresponding to the left eye video area and the right eye video area.
  • the sense of depth of the OSD in the 3D display of the display device 2 matches the display surface.
  • the composite position may be shifted from the position corresponding completely between the regions so that the OSD is perceived with a predetermined sense of depth (projection feeling) when 3D is displayed on the display device 2.
  • each OSD image may be changed to be vertically long (for example, the horizontal length is 1 ⁇ 2 that of the normal style) compared to the normal style.
  • the change of the shape may be performed by the OSD creation unit 20.
  • a vertically long font for example, a font whose horizontal length is 1 ⁇ 2 that of the normal style
  • the font selection may be performed by the OSD creation unit 20.
  • the shape of the graphics may be changed.
  • the HDMI output unit 18 outputs the output video signal and the audio signal input from the OSD synthesis unit 17 to the display device 2.
  • the HDMI output unit 18 notifies whether the content video is 2D video, SBS 3D video, or top-and-bottom 3D video based on the broadcast flag information detected by the decoder unit 16.
  • the flag information can be output by being superimposed on the output signal (HDMI signal).
  • the HDMI output unit 18 records, in a flag format, information indicating which type of video is the content video in a VSI (Vender Specific InfoFrame) included in the HDMI signal.
  • VSI Vehicle Specific InfoFrame
  • the display device 2 detects the VSI flag to change the display method to 2D display according to the contents of the VSI flag, or based on the SBS method. It is automatically switched between 3D display and 3D display based on the top-and-bottom method.
  • the CPU 19 of the video playback device 1 can determine whether the display device 2 is compatible with 3D display or VSI by reading the status of the HDMI capability of the display device 2. It is. Specifically, the CPU 19 reads the HDMI version and 3D correspondence information of the playback device 2 input via the HDMI output unit 18 to determine whether the display device 2 is compatible with 3D display or VSI. It is determined whether or not it is.
  • the remote control signal receiving unit 21 receives a signal from a remote control (not shown) and notifies the CPU 198 of the signal.
  • the CPU 19 controls the entire apparatus including the components described above. Further, the CPU 19 can acquire the operation content of the user (observer) on the playback device 1 based on the remote control signal received by the remote control signal receiving unit 21 and operate.
  • SBS 3D broadcasting (SBS 3D video) is described, but the same can be applied to the top-and-bottom method.
  • the CPU 19 of the playback device 1 determines the content video when the display device 2 is a VSI-compatible 3D display device (R1) and when it is a non-VSI compatible display device (R2).
  • the OSD is superposed on the superposition mode and the superposition / non-superimposition of the VSI flag on the HDMI signal is variably controlled.
  • the VSI compatible 3D display device is, for example, a display device compatible with 3D of HDMI version 1.4a.
  • Non-VSI compatible display devices include, for example, 3D display devices with HDMI version lower than 1.4a (1.4 or lower), display devices with HDMI version 1.4 or higher but not 3D compatible, HDMI version 1 .3 is a display device that supports only 3 or less.
  • HDMI 1.4a or higher means that the HDMI 1.4a or version number is greater than 1.4.
  • the CPU 19 of the playback device 1 includes a case where broadcast flag information is included in the broadcast reception or playback stream, and a case where the broadcast flag information is not included (including a case where broadcast flag information clearly indicating 2D is included).
  • the OSD creation unit 20 and the OSD composition unit 17 are controlled to change the OSD superposition mode.
  • whether the content video is 2D video or SBS 3D video can be detected and the OSD superposition mode can be automatically switched, or the user can It is also possible to forcibly set the OSD superposition mode for the playback apparatus 1 (including the case where the setting is turned on (always SBS format) and the case where it is turned off (always normal mode)).
  • the CPU 19 of the playback apparatus 1 determines whether the set value of the OSD setting is “auto”, “on”, or “off” (S1). If the OSD set value is “auto”, the process proceeds to step S2. If the OSD set value is “ON”, the process proceeds to step S3. If the OSD set value is “OFF”, the process proceeds to step S2. Proceed to S4.
  • the CPU 19 determines whether or not there is broadcast flag information indicating 3D in the stream signal (for example, SEI) in cooperation with the decoder unit 16 (S2). When broadcast flag information indicating 3D is detected, the process proceeds to step S3. If the broadcast flag information indicating 3D is not detected, the process proceeds to step S4.
  • the CPU 19 displays the OSD video in the SBS format to the OSD creation unit 20. It is instructed to create, and the OSD composition unit 17 is instructed to superimpose the OSD video on the content video in the SBS format (S3).
  • the CPU 19 is connected to the HDMI output unit 18 connected to the HDMI output unit 18. It is determined whether or not the 3D display device is compatible with 1.4D 3D (S5).
  • the display device 2 is an HDMV Ver.
  • the CPU 19 instructs the HDMI output unit 18 to insert a VSI flag indicating that the output video is SBS 3D video into the HDMI signal (S6). ).
  • step S4 that is, when the OSD setting value is “OFF”, and when the OSD setting value is “AUTO” and the broadcast flag information indicating 3D is not detected, the CPU 19 performs the OSD setting.
  • the creation unit 20 is instructed to create an OSD video in the normal format, and the OSD synthesis unit 17 is instructed to superimpose the OSD video on the content video in the normal format (S4).
  • FIG. 4 is a table summarizing the control contents related to OSD by the CPU 19 according to various conditions.
  • the conditions here are: 1. Condition (C1) regarding whether the display device 2 is a VSI compatible 3D display device (R1) or not (R2); 2. Condition (C2) regarding whether or not broadcast flag information is included in the broadcast reception or playback stream (including the case where broadcast flag information specifying 2D is included); 3. Whether the set OSD display setting is whether the content video is 2D video or SBS 3D video and automatically switches the OSD superposition mode ("Auto", C3), or is always in the SBS format
  • the condition (R0) regarding whether it is (C4) or the normal mode (C5) including.
  • the OSD display setting value (R0) that can be set in the playback apparatus 1 includes “Auto” (C3), “On” (C4), and “Off” (C5).
  • “Auto” (C3) the playback device 1 automatically switches the OSD superposition mode according to the content of the broadcast flag information.
  • whether or not to insert the VSI flag into the HDMI signal is automatically switched according to the HDMI version and the like (C1) corresponding to the display device 2.
  • the playback device 1 When “ON” is set (C4), the playback device 1 always superimposes the OSD video on the content video in the SBS format regardless of the presence / absence of the broadcast flag information (C2) and the content thereof, and the output video. Is generated. Also at this time, whether or not to insert the VSI flag into the HDMI signal is automatically switched according to the HDMI version or the like (C1) to which the display device 2 corresponds.
  • the playback device 1 When “OFF” is set (C5), the playback device 1 always performs the same processing as in the conventional 2D broadcasting (the output video is generated by superimposing the OSD video on the content video in a normal format). To do).
  • the setting value is “auto” (C3)
  • the broadcast flag information is 3D (C2)
  • the display device 2 supports VSI (HDMI version 1.4a) (R1)
  • the playback device 1 superimposes the VSI flag on the HDMI signal.
  • the playback device 1 does not superimpose the VSI flag on the HDMI signal.
  • the playback device 1 By superimposing the VSI flag, it is possible to automatically switch the display mode of the display device 2 to 2D display or 3D display on the playback device 1 side depending on whether the broadcast content is 2D broadcast or 3D broadcast.
  • the playback device 1 superimposes OSD in SBS format. Thereby, even if the display apparatus 2 performs 3D display, the visibility of OSD is not impaired.
  • the playback device 1 superimposes the OSD in a normal manner. At this time, the display device 2 performs 2D display. Therefore, the visibility of the OSD is not impaired.
  • the playback device 1 when “Auto” is set (C3) and the display device 2 does not support VSI (the display device 2 supports only HDMI version 1.4 or lower, or 1.4a or higher (R2), the playback device 1 does not superimpose the VSI flag on the HDMI signal because the display device 2 does not support VSI.
  • the OSD superposition format when it is detected that the broadcast flag information is 3D (C2), the playback device 1 superimposes the OSD video on the content video in the SBS format to generate and output an output video.
  • the reason for superimposing the OSD video in the SBS format is that the display device 2 does not support VSI, but 3D display is possible.
  • the playback device 1 cannot automatically switch the display device 2 to 3D display, but the user can change the setting of the display device 2 and switch to 3D display by an operation.
  • the playback device 1 superimposes the OSD video on the content video in the SBS format, the OSD visibility is sufficient regardless of whether the display mode of the display device 2 is set to 2D display or 3D display by the user's operation. To be kept.
  • the playback device 1 may not correctly recognize the information on the display device 2 depending on the connection form of the video playback display system. For example, if a device such as an AV amplifier is interposed between the HDMI connection of the playback device 1 and the display device 2, and the HDMI version of the AV amplifier is 1.3 or less, the playback device 1 is connected to the connected device. Recognizes that the corresponding HDMI version is 1.3 or lower. In such a case, it is conceivable that the VSI time lag information is not notified to the display device 2 even if the display device 2 supports HDMI version 1.4a, that is, VSI.
  • the OSD video superimposition format is set to the SBS format
  • 3D display is also possible if the display mode of the display device 2 is manually switched to 3D display by a user operation. Even in such a case, the OSD can maintain sufficient visibility. This is because even if the display device 2 is a display device capable of only 2D display, the contents of the OSD superimposed in the SBS format can be sufficiently understood. As a matter of course, in such a case, the OSD superposition mode can be changed to the normal mode.
  • the OSD video superimposition format is the normal format.
  • the playback device 1 operates using the OSD superposition format as the SBS format regardless of the broadcast flag information, the HDMI version that the display device can support, and the like. .
  • broadcast flag information is not inserted in the broadcast or playback stream, but when the user sees the video, it can be clearly determined that the video is SBS 3D video (that is, 3D broadcasting but 3D is shown)
  • the OSD display setting mode is forcibly handled as 3D broadcast.
  • the playback device 1 when the display device 2 supports VSI (when the display device 2 is an HDMI version 1.4a 3D display device) (R1), the playback device 1 superimposes the VSI flag on the HDMI signal. .
  • the superimposition of OSD video is performed in the SBS format.
  • the display device 2 does not support VSI (HDMI version 1.4 or lower, or 1.4a or higher but 3D non-compatible display device) (R2)
  • VSI HDMI version 1.4 or lower, or 1.4a or higher but 3D non-compatible display device
  • the VSI flag is not superimposed on the HDMI signal.
  • the superimposition of the OSD video is performed in the SBS format.
  • the playback device 1 forcibly converts the OSD video into the content video in the SBS format based on the user setting. To generate an output video. Since the OSD video superimposition format is set to the SBS format, the OSD visibility is sufficiently maintained even when the display mode of the display device 2 is manually switched to 3D display by a user operation.
  • the playback device 1 when “OFF” is set (C5), the playback device 1 superimposes the OSD video on the content video in the normal manner, as in the conventional case. Further, the playback device 1 does not superimpose the VSI flag on the HDMI signal.
  • the playback device 1 detects flag information in the stream signal sent from the video source, reads the HDMI version of the display device 2 and 3D display availability information, and reads them. In response to this, the OSD video superposition mode and the VSI flag superposition / non-superimposition are switched. By doing so, in the display device 2, the OSD is always correctly displayed with high visibility. Further, the playback device 1 can automatically switch the video display mode of the display device 2 using the VSI flag. In the first embodiment, it has been described that flag information is superimposed using VSI and 2D / 3D display of the display device 2 is switched. However, the display mode of the display device 2 is set to 2D / 3D by other methods. It may be switched. As another method, CEC (CONSUMER ELECTRONICS CONTROL) or LAN (Local area network) may be used.
  • CEC CONSUMER ELECTRONICS CONTROL
  • LAN Local area network
  • the video display mode of the display device 2 is switched to 3D display by superimposing the VSI flag on the HDMI signal.
  • the display mode of the display device 2 may be left in 2D display without superimposing the VSI flag.
  • the VSI flag need not be superimposed when the initial setting screen is displayed during viewing or playback, the screen is switched to the data broadcasting screen, the program guide is displayed, or the recording list is displayed. . That is, when video display is not performed using the entire display surface of the display device 2, there is no need to actively switch the display mode of the display device 2 to 3D display, so the playback device 1 sets the VSI flag to HDMI.
  • the display device 2 remains in 2D display without being superimposed on the signal.
  • the superimposed video on the screen displayed at that time shall be superimposed on the content video in a normal manner.
  • broadcast flag information is detected at the time of reproduction, and VSI flag superposition / non-superimposition and OSD video superposition mode are variably controlled.
  • broadcast flag information may be detected at the time of broadcast recording, the broadcast flag information may be retained, and broadcast flag information may be recorded as management information after the recording ends.
  • the playback device 1 When the program on which the 3D icon is displayed is selected and played back in this way, the playback device 1 is assumed that even if the broadcast flag information indicating 3D is not superimposed on the head of the playback stream, From the beginning, the VSI flag may be superimposed on the HDMI signal, and the OSD video may be superimposed on the content video by the SBS method and output. By doing in this way, even when 2D video and 3D video are mixed in one recorded broadcast (program), the display device 2 switches the video display mode between 2D display and 3D display. Can be prevented. However, in such a case, in the video display, the display of the section of the 2D video in the recorded broadcast (program) may be lost and the display may be unsightly.
  • the stream position information where the broadcast flag information is switched is used as the chapter information. It may be recorded in the management information area, and when the 2D section is reached during 3D playback, chapter skip may be performed and playback may be performed while skipping the 2D video section. Note that the chapter skip may be automatically performed by the playback device 1 or may be manually instructed to the playback device 1 by the user.
  • the combined program may be handled as a 3D program.
  • the playback device according to the second embodiment may have the same configuration as the playback device 1 according to the first embodiment.
  • the playback apparatus according to the second embodiment is characterized by an operation when the set value of the OSD display setting is set to “ON”. Specifically, in the playback apparatus according to the second embodiment, the playback apparatus automatically determines the end of the period during which the “ON” setting is valid. Then, the playback device automatically cancels the “ON” setting when the determined end stage is reached.
  • FIG. 5 is a flowchart showing the processing flow of the playback apparatus.
  • the playback apparatus starts playback of content (a program being broadcast, a recorded program, a content distributed through a recording medium such as an optical disk, etc.) (S11).
  • content a program being broadcast, a recorded program, a content distributed through a recording medium such as an optical disk, etc.
  • the OSD display setting is set to “OFF”
  • the OSD video superimposition mode is a normal mode
  • the VSI flag is not superimposed.
  • the playback device 1 determines whether or not the user has switched the OSD display setting to “ON” (S12). If it is determined that the switch has been made (“YES” in step S12), the process proceeds to step S14.
  • the playback device 1 changes the superposition format of the OSD video to the SBS format and superimposes it on the content video (S14).
  • the display device 2 is compatible with VSI (when it is a 3D display device compatible with HDMI version 1.4a)
  • the playback device 1 starts superimposing the VSI flag.
  • the playback device 1 determines whether or not the playback of the content content (program) has ended (S15). If the playback device 1 determines that the content playback has ended (“YES” in step S15), the OSD video superimposition mode is switched from the SBS format to the normal format (S16). Further, when the VSI flag is superimposed on the HDMI signal, the playback device 1 stops superimposing the VSI flag.
  • the playback device stops the superposition of the OSD video in the SBS format and the superposition of the VSI flag when the playback of one content is completed. By doing so, it is possible to prevent the display device from constantly superimposing the OSD or the like in the SBS format. This is because it is rare that any 3D content (program) to be reproduced does not include broadcast flag information indicating 3D. Rather, it is considered that the user sets the OSD display setting to “ON” for the 3D content (program) to be reproduced at that time. Therefore, by switching the OSD display setting from “On” to “Auto” or “Off” when the reproduction of the content is completed, an effect of saving the user's trouble can be expected.
  • the second reason is that the viewer is guided to avoid eye strain caused by continuously viewing a plurality of 3D programs.
  • the content unit is usually a program unit, which indicates a part from the start of recording to the end of recording. For example, when reservation recording is set using a program guide, one program unit displayed in the program guide becomes one content. If the next content is to be viewed in 3D, the user sets the setting value to “On” again.
  • 3D video is not limited to SBS 3D video.
  • the 3D video may include a top-and-bottom 3D video.
  • the playback device 1a according to the third embodiment may have substantially the same configuration as the playback device 1 according to the first embodiment. However, the playback device 1a according to the third embodiment is different in connection form with the display device 2a.
  • the playback device 1a and the display device 2a are connected via LAN, not HDMI. That is, in FIG. 6, the 3D video playback / display system is configured based on DLNA (Digital Living Network Alliance). In the following description, the superimposed video is a video related to the remote UI.
  • DLNA Digital Living Network Alliance
  • the playback device 1a is a DLNA server, and the display device 2a is a DLNA client or renderer.
  • the playback device 1a sends a stream recorded on a disk (hard disk, optical disk, flash memory, etc.) constituting the storage unit to the display device 2a via the LAN 4a.
  • a disk hard disk, optical disk, flash memory, etc.
  • the display device 2a decodes and displays the input stream.
  • the display device 2a detects broadcast flag information in the stream. When the content of the detected broadcast flag information indicates SBS 3D video, the display device 2a switches the video display mode to 3D display.
  • the OSD display is also drawn in the left video and the right video in order to adapt the 3D display (that is, the SBS format or the like). Output).
  • the metadata generation unit of the playback device 1 generates metadata (XML, HTML, etc.), sends the metadata to the display device 2a, and the display device 2a displays a display screen (such as a remote UI) based on the metadata.
  • the playback device 1a detects the broadcast flag information of the stream being output by itself, and indicates that the detected broadcast flag information is SBS 3D video. Then, the content of the meta information is generated again in the SBS format and retransmitted to the display device 2a.
  • the display screen (remote UI) transmitted by the meta information from the playback device 1a is also correctly displayed in 3D display and can be viewed in 3D.
  • the meta information output from the playback device 1a is generated again in the SBS format, so that the remote UI can be normally displayed in the 3D display of the display device 2a. Can be displayed.
  • the display device 2a may redraw and display the remote UI video in the SBS format.
  • 3D video is not limited to SBS 3D video.
  • the 3D video may include a top-and-bottom 3D video.
  • the playback device according to the fourth embodiment may have the same configuration as the playback device 1 according to the first embodiment. However, the playback device according to Embodiment 4 variably controls the superposition mode of the superposed video based on the video display mode of the connected display device.
  • FIG. 7 is a flowchart showing the operation of the playback apparatus according to this embodiment.
  • the playback device uses the link function between the display device 2 and the playback device 1 when the display device 2 displays the broadcast by directly inputting broadcast waves from an antenna or the like.
  • the program viewing is paused (recording by the playback device 1 and its chasing playback)
  • the following operation is performed.
  • the playback device uses the HDMI CEC.
  • a message is sent to 1 to notify the suspension of viewing of the program.
  • the playback device 1 matches its tuner 12 with the broadcasting station selected by the display device 2, and starts recording a program sent from the broadcasting station.
  • a message such as “Paused” is displayed on the display screen of the display device 2.
  • the display device 2 switches the display by the direct input from the antenna or the like of the display device 2 to the HDMI input screen, that is, the display by the output of the playback device 1.
  • the display screen of the display device 2 displays the output of the playback device 1.
  • the display device 2 switches the input to the output of the playback device 1.
  • the output of the playback device 1 is the display device because the broadcast flag information received by the playback device 1 indicates SBS 3D video.
  • 2 is VSI-compatible HDMI version 1.4a
  • the VSI flag is superimposed on the HDMI signal
  • the OSD video is superimposed on the content video that is the SBS 3D video in the SBS format and output. End up.
  • the display device 2 is switched to 3D display after the temporary stop even though the display device 2 performs the 2D display immediately before the temporary stop.
  • the playback device 1 acquires information on the current video display mode of the display device 2 based on the suspension notification sent from the display device 2, and outputs the information to the display device 2 based on the information. It is determined whether the video is an SBS 3D video or a 2D video. If the playback device 1 recognizes that the display device 2 is currently in 2D display based on the notification of pause, the output video is output in 2D after the suspension is canceled.
  • the playback device 1 does not superimpose the VSI flag on the HDMI signal, and superimposes the OSD on the content video in a normal manner, and performs video output. Conversely, when the playback device 1 recognizes that the display device 2 is currently in 3D display by a pause notification, the VSI flag is superimposed on the HDMI signal, the OSD is superimposed on the content video in the SBS format, and video output is performed. I do.
  • the display device 2 is forcibly displayed in 3D (processed and displayed as 3D video of the SBS method) and is viewing the program. If the OSD display setting is “auto”, the broadcast flag information received by the playback apparatus 1 does not indicate 3D, and the VSI flag is set to the HDMI signal. The OSD video is superimposed on the content video and output in a normal manner. Then, the display device 2 is switched to 2D display after the temporary stop even though the display device 2 performs the 3D display immediately before the temporary stop.
  • the display device 2 is in 2D display when notifying the playback device 1 of a pause.
  • Information indicating whether the image is being displayed or 3D is also notified (notified by CEC).
  • the playback device 1 acquires information on the current video display mode of the display device 2 based on the suspension notification sent from the display device 2, and outputs the information to the display device 2 based on the information. It is determined whether the video is an SBS 3D video or a 2D video. If the playback device 1 recognizes that the display device 2 is currently in 3D display by a notification of suspension, the output video is output in 3D after the suspension is canceled.
  • the playback device 1 superimposes the VSI flag on the HDMI signal (when the display device 2 supports VSI), superimposes the OSD video on the content video in the SBS format, and outputs the video. Therefore, in the present embodiment, automatic switching of the video display mode of the display device 2 before and after the pause can be avoided.
  • the playback device 1 starts playback of the content (recorded broadcast) (S21).
  • the playback device 1 determines whether or not the display device 2 has received information indicating whether the display device 2 is performing 3D display or 2D display together with the pause notification (S22).
  • the playback device 1 determines whether or not 3D display is being performed (S23).
  • the playback device 1 superimposes the OSD video on the content video in the SBS format and outputs it (S24).
  • the playback device 1 superimposes the OSD video on the content video in a normal manner and outputs the content video (S25).
  • the video display mode of the display device 2 is 2D display at the same time, or the SBS method is used.
  • the SBS 3D has been described.
  • the present invention is not limited to this. For example, a top-and-bottom 3D may be used.
  • a function of displaying an operation screen for operating the playback device 1 by an operation on the display device 2 (so-called a link function by a remote control of the display device 2). This function is performed by pressing a button (for example, a link button) for displaying the operation screen of the playback device 1 on the remote controller of the display device 2, and information indicating that this button has been pressed is transmitted to the playback device 1 via the HDMI CEC.
  • the playback device 1 is configured to output an operation screen.
  • the operation of the operation screen can be realized by sequentially transmitting information that a specific button (for example, a cursor button) of the remote controller of the display device 2 is pressed to the playback device 1 via the CEC.
  • a specific button for example, a cursor button
  • the playback device 1 can be substantially operated.
  • the playback device 1 when the output of the playback device 1 is displayed as 3D video of the SBS method by an operation on the display device 2, when the link button on the remote control of the display device 2 is pressed, the playback device 1 conventionally Since the display device 2 could not recognize that the 3D display is being performed, the operation screen is output as a 2D video. Therefore, there is a problem that the operation screen is not displayed correctly.
  • the link button of the display device 2 when the link button of the display device 2 is pressed, information indicating that the button is pressed and whether the current video display mode of the display device 2 is 3D display or 2D display are shown. Information can also be notified, and the playback apparatus 1 can output the operation screen as an SBS 3D video instead of a 2D video, so that the operation screen can be displayed correctly.
  • the display device 2 can notify the playback device 1 that 2D display is in progress, and the playback device 1 1 can display the operation screen correctly by outputting the operation screen as 2D video.
  • the present embodiment can be used even when the display device 2 performs the link function for the playback device 1.
  • the HDMI output unit 18 is used as the output unit, but the present invention is not limited to this. That is, the present embodiment can be implemented as long as it is an output unit that can output a 3D video signal.
  • the playback device 1 of the present embodiment is a playback device that plays back an optical disc, but is not limited to this, and any device that can output 3D video is acceptable. That is, a device that decodes and outputs 3D video data recorded on another recording medium such as an HDD or a flash memory, or a device that receives and outputs a 3D-compatible broadcast may be used.
  • Embodiments 1 to 4 when the output video is an SBS or top-and-bottom 3D video, the playback device superimposes the video on the left-eye video when the video is displayed stereoscopically.
  • the OSD video was superimposed on each of the left-eye video region and the right-eye video region of the screen screen (content video) so that the OSD video and the OSD video superimposed on the right-eye video match.
  • the OSD video may be superimposed on the entire screen screen (in a normal manner) in the same manner as the 2D video, without overlapping so as to match.
  • a recording list screen or a program guide is displayed as an OSD video using the entire screen, and a content video is displayed as a small window on a part of the screen.
  • the display device 2 often displays in 2D display instead of 3D display. Therefore, even when the content video is SBS or top-and-bottom 3D video, the OSD video is superimposed on the entire screen screen in the same manner as 2D (in a normal manner) and output.
  • the playback device according to the present embodiment is useful as a video playback device capable of playing back 3D video.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

L'invention porte sur un dispositif de reproduction d'image qui comprend : une unité de décodage qui décode des données de flux d'entrée et génère une image de contenu ; une unité de génération qui génère une image de superposition destinée à être superposée à l'image de contenu ; une unité de synthèse qui superpose l'image de superposition à l'image de contenu et génère une image de sortie ; une unité de sortie qui délivre l'image de sortie ; et une unité de commande qui commande l'unité de génération et l'unité de synthèse. L'unité de commande détermine si l'image de contenu est une image 2D ou une image 3D sur la base des données de flux, et si, sur la base de la détermination, l'image de contenu est une image 2D, l'unité de synthèse superpose l'image de superposition à l'image de contenu d'une première manière, et si l'image de contenu est une image 3D, l'unité de synthèse superpose l'image de superposition à l'image de contenu d'une seconde manière, qui est différente de la première manière.
PCT/JP2011/004467 2010-08-05 2011-08-05 Dispositif de reproduction d'image WO2012017687A1 (fr)

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