JP2012243330A - Disk playback device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk playback device for improving convenience by enabling a user to easily watch desired content regardless of any content in the case of play backing a disk with 3D video content and 2D video content recorded thereon.SOLUTION: The disk playback device includes a 3D video content existence/absence determining part for determining whether 3D video content is included in a disk. When the 3D video content is determined to be included, a display control part displays a confirmation screen for confirming whether to playback 3D video on a displaying part, and when an operation of an operating part selects whether to playback the 3D video on the confirmation screen, a playback part playbacks 3D video content or 2D video content recorded on the disk in accordance with the selection result.

Description

  The present invention relates to a disc playback apparatus capable of playing back 3D video content.

  In recent years, due to the development of large-capacity discs such as Blu-ray discs, not only ordinary 2D video content but also discs on which 3D video content has been recorded have appeared. ing.

  For example, Patent Document 1 determines whether video content stored on a storage medium includes 3D video content, and determines whether a display unit on which the video content is displayed can display 3D video content. If the display unit is capable of displaying 3D video content, an instruction is sent to the display unit to switch to 3D video display mode, and if the display unit is capable of displaying 3D video content, A 3D media player configured to send 3D video content to a display unit is disclosed.

JP 2010-50968 (Claim 3 etc.)

  However, in the 3D media player of Patent Document 1, when 3D video content and 2D video content are recorded on the storage medium, the 3D video content is displayed on the display unit, assuming that the 3D video content is included. This is inconvenient for users who want to view 2D video content. Some users want to view 2D video content because, for example, their eyes are tired.

  In view of the above problems, the present invention makes it possible for a user to easily view a desired content and to improve convenience when playing a disc on which 3D video content and 2D video content are recorded. An object of the present invention is to provide a disc reproducing apparatus.

To achieve the above object, the present invention provides a 3D video content recorded on a disc, a playback unit that plays back 2D video content, and a display control unit that displays a screen on the display unit.
A 3D video content presence / absence determining unit that determines whether or not 3D video content is included in the disc;
When it is determined that the 3D video content is included, the display control unit displays a confirmation screen for confirming whether or not to reproduce the 3D video on the display unit,
When whether or not to play back 3D video is selected by operating the operation unit on the confirmation screen, the playback unit plays back 3D video content or 2D video content recorded on the disc according to the selection result And

  According to such a configuration, when playing a disc on which 3D video content and 2D video content are recorded, the user can select any desired content of the 3D video content and the 2D video content according to the selection operation on the confirmation screen. You can see easily.

In the above configuration, the display unit determination unit determines whether or not the display unit supports 3D video display when the 3D video content presence determination unit determines that 3D video content is included. ,
When it is determined that the display unit corresponds to 3D video display, the display control unit displays the confirmation screen on the display unit, and when it is determined that the display unit does not support 3D video display, the playback unit May be configured to reproduce 2D video content recorded on the disc.

  According to such a configuration, it is possible to prevent playback of inappropriate 3D video content when the display unit for displaying the content does not support 3D video display.

  Further, in any one of the above-described configurations, a mount unit for mounting the disc may be provided, and the 3D video content presence / absence determination unit may perform the determination when the mount unit mounts the disc.

  According to such a configuration, the confirmation screen is displayed only by the user mounting the disc on the mount unit, which is highly convenient.

Further, in any one of the above-described configurations, an eject unit that ejects the disc;
A 2D video content presence / absence determining unit that determines whether or not 2D video content is included in the disc when it is selected not to play 3D video by operating the operation unit on the confirmation screen;
When it is determined that 2D video content is included, the playback unit plays back 2D video content recorded on the disc. When it is determined that 2D video content is not included, the display control unit An error screen may be displayed on the display unit, and the eject unit may eject the disc.

  According to such a configuration, when only 3D video content is recorded on the disc, when it is selected not to reproduce the 3D video on the confirmation screen, an error screen is displayed and the disc can be ejected.

Further, in any one of the above-described configurations, an eject unit that ejects the disc;
A 2D video content presence / absence determining unit that determines whether or not 2D video content is included in the disc when it is selected not to play 3D video by operating the operation unit on the confirmation screen;
When it is determined that 2D video content is included, the playback unit plays back 2D video content recorded on the disc, and when it is determined that 2D video content is not included, the display control unit A confirmation screen for confirming whether or not to play 3D video is displayed on the display unit,
When playback is selected by operating the operation unit on the confirmation screen, the playback unit plays 3D video content recorded on the disc, and when it is selected not to play, the eject unit The disc may be ejected.

  According to such a configuration, when only 3D video content is recorded on the disc, if it is selected not to play 3D video on the confirmation screen, a confirmation screen for confirming whether or not to further play 3D video Is displayed. If playback is selected here, 3D video content can be played back, and if not playback is selected, the disc can be ejected.

  According to the present invention, when a disc on which 3D video content and 2D video content are recorded is played back, the user can easily view the desired content in any content, and convenience is improved.

1 is a schematic configuration diagram of a Blu-ray disc player according to an embodiment of the present invention. It is a flowchart regarding the content reproduction process which concerns on 1st Embodiment of this invention. It is a figure which shows an example of the confirmation screen displayed in the content reproduction process which concerns on 1st Embodiment of this invention. It is a flowchart regarding the content reproduction process which concerns on 2nd Embodiment of this invention. It is a figure which shows an example of the error screen displayed in the content reproduction process which concerns on 2nd Embodiment of this invention. It is a flowchart regarding the content reproduction process which concerns on 3rd Embodiment of this invention. It is a figure which shows an example of the confirmation screen displayed in the content reproduction process which concerns on 3rd Embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. Here, a Blu-ray disc playback device will be described as an example of the disc playback device. FIG. 1 shows a schematic configuration of a Blu-ray disc playback apparatus 100 according to an embodiment of the present invention.

  1 includes an optical pickup 2, a spindle motor 3, a signal processor 4, a decoder 5, a high-definition multimedia interface (HDMI) communication unit 6, and an on-screen display (OSD). Unit 7, system control unit 8, and remote control receiving unit 9. An external television device 200 is connected to the HDMI communication unit 6 via an HDMI cable. HDMI is an interface capable of digitally transmitting video and audio signals and control signals using a single cable.

  The optical pickup 2, the signal processing unit 4, and the decoder 5 constitute a reproducing unit.

  The spindle motor 3 is a motor that rotationally drives a Blu-ray disc (hereinafter referred to as BD) 1 via a turntable (not shown). The optical pickup 2 includes a laser diode (not shown), an objective lens, an objective lens actuator, a photodetector, and the like. The optical pickup 2 irradiates the recording surface of the rotationally driven BD 1 and outputs an RF signal based on the reflected light on the recording surface. To do. The optical pickup 2 is driven in the radial direction of the BD 1 by a thread motor (not shown). The optical pickup 2, the spindle motor 3, the turntable, and the thread motor are included in a loader device (not shown), and the loader device has a loader mechanism (not shown) that mounts and ejects a disk. .

  The signal processing unit 4 performs A / D conversion on the RF signal output from the optical pickup 2, binarizes it, performs demodulation and error correction on the binarized data, extracts the reproduction data, and outputs it to the decode 5. The reproduced data is decoded by the decoder 5. The decoded video / audio data is converted into a TMDS (Transition Minimized Differential Signaling) video / audio signal by the HDMI communication unit 6 and output to the television apparatus 200. The television apparatus 200 displays video based on the input video / audio signal and generates audio.

  In particular, when playing back 3D video content recorded on BD1, the HDMI communication unit 6 outputs a right-eye video signal and a left-eye video signal to the television device 200, and the television device 200 outputs a right-eye image and a left-eye video signal. Images are displayed alternately. At this time, the television apparatus 200 transmits a synchronization signal to the glasses worn by the viewer, and opens and closes the left and right shutters of the glasses in synchronization with the image display. Thereby, the viewer can obtain a stereoscopic display feeling due to left and right parallax.

  The OSD unit 7 generates an OSD signal according to an instruction from the system control unit 8, transmits the OSD signal to the television device 200 via the HDMI communication unit 6, and causes the television device 200 to display an OSD screen.

  The system control unit 8 is composed of, for example, a microcomputer, and controls each unit constituting the Blu-ray disc playback apparatus 100. In addition, the system control unit 8 transmits and receives control signals to and from the television device 200 via the HDMI communication unit 6.

  The remote control receiving unit 9 receives a remote control signal corresponding to an operation from the remote control device 50, converts the received remote control signal into a remote control code, and outputs it to the system control unit 8.

(First embodiment)
Next, content reproduction processing performed by the Blu-ray disc reproduction apparatus 100 having the above-described configuration will be described. FIG. 2 shows a flowchart regarding the content reproduction processing according to the first embodiment of the present invention. This process corresponds to the case where the BD 1 is a disc on which 3D video content and 2D video content are recorded, and the case where the BD 1 is a disc on which only 2D video content is recorded.

  When the BD 1 is inserted into a loader device (not shown), the BD 1 is mounted by a loader mechanism (not shown), and when the spindle motor 3 starts to rotate, the process of FIG. 2 is started. When the processing of FIG. 2 is started, in step S21, the system control unit 8 determines that BD1 is a BD-Video disc based on the folder / file configuration read from the BD1 by the optical pickup 2.

  Next, in step S22, flag information indicating whether or not 3D video content is included in BD1 is read from BD1 by optical pickup 2. Specifically, index.bdmv / AppInfoBDMV / ss.content_exist.flg may be read. The system control unit 8 determines whether or not 3D video content is included in the BD 1 based on the read flag information.

  If 3D video content is included (Y in step S22), the process proceeds to step S23 described later. On the other hand, if 3D video content is not included (N in step S22), playback of the 2D video content recorded on BD1 is started by the playback unit, and display of 2D video on the television device 200 is started.

  In step S23, the system control unit 8 determines whether or not the television apparatus 200 supports 3D video display. For example, the system control unit 8 inquires of the television device 200 via the HDMI communication unit 6 whether the resolution for 3D video display is supported. Then, the system control unit 8 receives a response from the television apparatus 200 indicating whether or not it corresponds to the resolution for 3D video display via the HDMI communication unit 6, and the television apparatus 200 supports 3D video display based on the response. It is determined whether or not.

  If the television apparatus 200 supports 3D video display (Y in step S23), the process proceeds to step S24. If not compatible (N in step S23), the 2D video content recorded on the BD1 is played back. Be started.

  In step S <b> 24, the OSD unit 7 causes the television device 200 to display a confirmation screen as to whether or not to reproduce 3D video according to an instruction from the system control unit 8. An example of this confirmation screen is shown in FIG. When “Yes” is selected by operating the remote control device 50 on this screen (Y in step S25), the 3D video content recorded on the BD1 is started to be played back by the playback unit, and the 3D video display on the television device 200 is started. Be started. On the other hand, when “No” is selected by operating the remote controller 50 on the screen (N in Step S25), the playback of the 2D video content recorded on the BD1 is started.

  According to the first embodiment, when a BD1 on which 3D video content and 2D video content are recorded is inserted into the Blu-ray disc playback device 100, a confirmation screen as to whether or not to play 3D video is displayed. The user knows that 3D video content is included in A user who wants to view 3D video content can view 3D video if he / she chooses to play 3D video, and a user who does not want to view 3D video content due to eyestrain or other reasons. If not selected, 2D video can be viewed. In the case of BD1 in which only 2D video content is recorded, the result of determination in step S22 is N, and the 2D video is automatically displayed.

(Second Embodiment)
FIG. 4 shows a flowchart regarding the content reproduction processing according to the second embodiment of the present invention. This process corresponds to the case where BD1 is a disc on which 3D video content and 2D video content are recorded, a disc on which only 2D video content is recorded, and a disc on which only 3D video content is recorded. ing.

  The process shown in FIG. 4 is started when the BD 1 is inserted into a loader device (not shown), similarly to the process shown in FIG. 2 (first embodiment). The processes in steps S41 to S45 are the same as steps S21 to S25 in the process shown in FIG.

  If 3D video content is not included in BD1 in step S42 (N in step S42), or if the television apparatus 200 does not support 3D video display in step S43 (N in step S43), or the confirmation displayed in step S44 If it is selected not to play 3D video on the screen (N in step S45), the process proceeds to step S46.

  In step S46, the system control unit 8 determines whether or not 2D video content is included in the BD1. For example, the determination may be made based on flag information recorded on BD1. If 2D video content is included in BD1 (Y in step S46), playback of the 2D video content is started. On the other hand, if 2D video content is not included (N in step S46), the process proceeds to step S47, and the OSD unit 7 causes the television device 200 to display an error screen. An example of the error screen is shown in FIG. Thereafter, the loader mechanism ejects BD1 in accordance with an instruction from the system control unit 8.

  According to the second embodiment, when 3D video content and 2D video content are recorded on the BD1, 3D video playback is not selected on the confirmation screen (N in step S45), and the 2D video content is Since it is included (Y in step S46), 2D video content is reproduced.

  If only 3D video content is recorded on BD1, unless 3D video playback is selected on the confirmation screen (N in step S45), 2D video content is not included (N in step S46), and an error is displayed. (Step S47), BD1 is ejected. Further, when only 3D video content is recorded on BD1, if the television device 200 does not support 3D video display (N in step S43), 2D video content is not included (N in step S46), and an error occurs. Displayed (step S47), BD1 is ejected.

(Third embodiment)
FIG. 6 shows a flowchart relating to content reproduction processing according to the third embodiment of the present invention. This process corresponds to the case where BD1 is a disc on which 3D video content and 2D video content are recorded, a disc on which only 2D video content is recorded, and a disc on which only 3D video content is recorded. ing.

  The process shown in FIG. 6 is started when the BD 1 is inserted into a loader device (not shown) as in the process shown in FIG. 2 (first embodiment). The processes of steps S61 to S65 are the same as steps S21 to S25 of the process shown in FIG.

  If 3D video content is not included in BD1 in step S62 (N in step S62), or if the television apparatus 200 does not support 3D video display in step S63 (N in step S63), the process proceeds to step S66.

  In step S66, the system control unit 8 determines whether or not 2D video content is included in the BD1. If 2D video content is included in BD1 (Y in step S66), playback of the 2D video content is started. On the other hand, if 2D video content is not included (N in step S66), the process proceeds to step S67, and the OSD unit 7 displays an error screen on the television device 200. The error screen is, for example, the screen shown in FIG. Thereafter, the loader mechanism ejects BD1 in accordance with an instruction from the system control unit 8.

  If it is selected on the confirmation screen displayed in step S64 not to play 3D video (N in step S65), the process proceeds to step S68.

  In step S68, the system control unit 8 determines whether 2D video content is included in the BD1. If 2D video content is included in BD1 (Y in step S68), playback of the 2D video content is started. On the other hand, if the 2D video content is not included (N in step S68), the process proceeds to step S69, and the OSD unit 7 displays a confirmation screen as to whether or not to reproduce the 3D video content on the television device 200. An example of this screen is shown in FIG.

  When “Yes” is selected by operating the remote control device 50 on this screen (Y in step S70), playback of 3D video content is started. On the other hand, when “NO” is selected (N in step S70), the loader mechanism ejects BD1 in accordance with an instruction from the system control unit 8.

  According to the third embodiment, when 3D video content and 2D video content are recorded on the BD1, 3D video playback is not selected on the confirmation screen (N in step S65), and the 2D video content is Since it is included (Y in step S68), the 2D video content is reproduced.

  If only 3D video content is recorded on BD1, unless 3D video playback is selected on the confirmation screen (N in step S65), 2D video content is not included (N in step S68). It is displayed (step S69). If playback of 3D video content is selected (Y in step S70), 3D video content is played back. If playback of 3D video content is not selected (N in step S70), BD1 is ejected.

  Further, when only 3D video content is recorded on BD1, if the television apparatus 200 does not support 3D video display (N in step S63), 2D video content is not included (N in step S66), and an error occurs. Displayed (step S67), BD1 is ejected.

  Although one embodiment of the present invention has been described above, the embodiment can be variously modified within the scope of the gist of the present invention.

  For example, in the above-described embodiment, communication with the television apparatus 200 is performed using HDMI, but other than that, USB (Universal Serial Bus), IEEE 1394 (Institute of Electrical and Electronic Engineers 1394), LAN (Local Area Network) Etc., communication with the television apparatus 200 may be performed.

  Further, the present invention is not limited to the Blu-ray Disc playback device, and may be applied to other optical disc playback devices and hard disk playback devices, for example.

1 Blu-ray Disc (BD)
2 Optical pickup 3 Spindle motor 4 Signal processing unit 5 Decoder 6 HDMI communication unit 7 OSD unit 8 System control unit 9 Remote control receiving unit 50 Remote control device 100 Blu-ray disc playback device 200 Television device

Claims (5)

In a disc playback apparatus including a playback unit that plays back 3D video content and 2D video content recorded on a disc, and a display control unit that displays a screen on the display unit.
A 3D video content presence / absence determining unit that determines whether or not 3D video content is included in the disc;
When it is determined that the 3D video content is included, the display control unit displays a confirmation screen for confirming whether or not to reproduce the 3D video on the display unit,
When it is selected on the confirmation screen whether or not to play back 3D video by operating the operation unit, the playback unit plays back 3D video content or 2D video content recorded on the disc according to the selection result. A disc player characterized by the above. When the 3D video content presence / absence determining unit determines that 3D video content is included, the display unit includes a display unit determining unit that determines whether the display unit supports 3D video display;
When it is determined that the display unit corresponds to 3D video display, the display control unit displays the confirmation screen on the display unit, and when it is determined that the display unit does not support 3D video display, the playback unit 2. The disc playback apparatus according to claim 1, wherein 2D video content recorded on the disc is played back. A mounting portion for mounting the disc;
3. The disc reproducing apparatus according to claim 1, wherein when the mount unit mounts the disc, the 3D video content presence / absence determination unit performs the determination. An eject section for ejecting the disc;
A 2D video content presence / absence determining unit that determines whether or not 2D video content is included in the disc when it is selected not to play 3D video by operating the operation unit on the confirmation screen;
When it is determined that 2D video content is included, the playback unit plays back 2D video content recorded on the disc. When it is determined that 2D video content is not included, the display control unit 4. The disc reproducing apparatus according to claim 1, wherein an error screen is displayed on the display unit, and the eject unit ejects the disc. An eject section for ejecting the disc;
A 2D video content presence / absence determining unit that determines whether or not 2D video content is included in the disc when it is selected not to play 3D video by operating the operation unit on the confirmation screen;
When it is determined that 2D video content is included, the playback unit plays back 2D video content recorded on the disc, and when it is determined that 2D video content is not included, the display control unit A confirmation screen for confirming whether or not to play 3D video is displayed on the display unit,
When playback is selected by operating the operation unit on the confirmation screen, the playback unit plays 3D video content recorded on the disc, and when it is selected not to play, the eject unit 4. The disc reproducing apparatus according to claim 1, wherein the disc is ejected.

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