JP2002124016A - Disk playback unit and disk playback method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a playback unit which automatically starts the playback operation of contents without a selective input in a menu screen by a user when starting the playback operation of a disk, that is, after disk insertion or power-on, etc., in the playback of a DVD-Video disk. SOLUTION: When the playback operation of the disk is started and a shift to a menu state is detected, an Enter command is inputted and the playback operation of contents is automatically started.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a DVD-Vid.
The present invention relates to a reproducing apparatus for reproducing data from a recording medium of an eo disk and a method for reproducing data from the recording medium.

[0002]

2. Description of the Related Art DVD (digital versatile disc) -V
The video disc reproducing apparatus presents the contents to the user while respecting the content provider's intention by reproducing data from one disc in accordance with the navigation command recorded on the disc. Therefore, when the setting of the disc is initially the reproduction of the menu screen or the like, the reproduction operation may not be started unless the user operates and selects and inputs the reproduction of the content such as a movie.

FIG. 6 is a block diagram showing a conventional DVD-Video disc reproducing apparatus, and FIG. 7 is a flowchart showing the first half operation of the conventional disc reproducing apparatus. 6, when the disk 1 is placed on the turntable 3 and chucked by the clamper 2, the disk 1 is rotated by the spindle motor 4 under the control of the control means 7. Next, by reading data recorded on the disc 1 by the optical pickup 5 and demodulating the data by the demodulation means 6, in the case of a DVD-Video disc, the user can enjoy an image such as a movie.

[0004] This will be described with reference to the flowchart of FIG. When reproduction of a disc is started (ST1), video manager information (VMGI) is obtained from the disc (ST2). Subsequently, in the DVD-Video standard, the first play program chain (FP_P
By executing GC) first (ST3), the menu screen is reproduced and displayed (ST4), and the main program is reproduced by the user selection (ST5) (ST6). Some discs do not have the first play program chain (FP_PGC). In this case, the disc remains stopped. In some cases, the player shifts to the reproduction operation as a specification. On the other hand, in the case of a compact disk which is the same disk medium, the content is automatically reproduced when the disk is reproduced.

FIG. 8 is a flowchart showing the latter half of the operation of the conventional disk reproducing apparatus. The disc is reproduced by the disc reproducing apparatus (ST11), the main movie is reproduced (title reproduction) (ST12), and when the reproduction of the title is completed (ST13), the mode automatically shifts to menu screen reproduction (ST14). Here, when the user selects and inputs (ST15), an operation (eg, end) according to the input is performed (ST16). Also in this case, the disk is set to perform the following operation according to the user's selection input. Note that, unlike the above-described conventional example, there is a case where the display does not shift to the menu screen reproduction after the title reproduction ends.

[0006]

[0005] Particularly in an in-vehicle environment or the like,
At the start of the playback operation of the disc, that is, after inserting the disc or turning on the power, the specification conforms to the specification of a compact disc in which the content is automatically played back. In addition, in the case of a disc reproducing apparatus having a changer mechanism for storing a plurality of discs, exchanging discs, and playing the discs, the user's intention is that once the playback of one disc is completed, the disc is automatically issued without the user's command to change the disc. When starting playback of the next or other disc, it is extremely difficult to automatically switch to the next disc as long as playback is performed according to the DVD-Video standard setting without temporarily stopping the main unit.

The present invention has been made in view of the above, and in reproducing a DVD-Video disc, a user selects a menu on a menu screen at the start of a disc reproducing operation, that is, after inserting a disc or turning on a power supply. An object of the present invention is to provide a reproducing apparatus and a reproducing method for automatically starting a content reproducing operation without inputting. It is another object of the present invention to provide a reproducing apparatus and a reproducing method for automatically stopping the main body when the title is reproduced and finished, and the state is again shifted to the menu state.

[0008]

According to the present invention, there is provided a disc reproducing apparatus for reproducing a DVD-Video disc, wherein a menu state detecting means for detecting a transition to a menu state at the start of a disc reproducing operation. Means for inputting an Enter command when the menu state is detected by the menu state detecting means.
An r command input means is provided for automatically starting a content reproducing operation.

Also, a title end detecting means for detecting that the title has been reproduced and completed, a menu state detecting means for detecting transition to the menu state, and a stop command is inputted by the outputs of the two detecting means to stop the main body. It has stop command input means.

The disc reproducing method according to the present invention is a disc reproducing method for reproducing a DVD-Video disc, wherein at the start of the disc reproducing operation, the step of detecting the transition to the menu state and the transition to the menu state are performed. When this is detected, a step of inputting an Enter command is performed, and the content reproducing operation is automatically started.

[0011] Still further, a step of detecting that the title has been reproduced and completed, a step of detecting that the menu state has been entered, and a step of inputting a stop command and stopping the main body when both steps are detected. It is.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a block diagram showing a disk reproducing apparatus according to Embodiment 1 of the present invention. FIG. 2 is a flowchart for explaining the operation of the first half of the disk reproducing apparatus. FIG. 3 is a diagram showing the structure of a logical format of a DVD-Video disc.
FIG. 4 shows the SC structure and the VMG structure, and FIG. 4 shows the VMGI structure and the TT_SRPT structure. 3 and 4 are continuous, and A and B in FIG. 3 are connected to A and B in FIG. When the disk 1 is placed on the turntable 3 and chucked by the clamper 2, the disk 1 is rotated by the spindle motor 4. Next, data recorded on the disk 1 is read by the optical pickup 5 (ST21 in FIG. 2),
By demodulating by the demodulation means 6, DVD-Video
In the case of an o-disc, a user can enjoy an image such as a movie.

When reproducing an image of a movie or the like, information about contents in the disc is stored in the disc (DIS).
C) is recorded in the video manager information (VMGI) in the video manager (VMG) (FIG. 3).
In this VMGI, a title search pointer table (TT_SRPT) is recorded, and the title search pointer table (TT_SRPT) is recorded.
In the search pointer table, the number of titles in the content and the start point (head address) of each title are recorded (FIG. 4). In the logical format of a DVD-Video disc, VMGI read and acquire (ST
22) After the first play program chain (F
(P_PGC) if present (ST_PGC)
23), an operation must be performed according to the command described in the first play program chain.

By executing the first play program chain, if the setting is made on the disc to reproduce the menu screen before the reproduction of the main part such as a movie,
Enters the menu state. This is detected by the menu state detection means 8 from the output of the demodulation means 6 (ST24), and the control means 7
Tell If the setting of the menu screen to be reproduced on the disc has not been made before the main part of the movie or the like is reproduced, the process immediately proceeds to the main part reproduction (ST26).

In the menu screen, usually, a plurality of buttons are displayed on the screen.
By inputting and determining "r", the process moves to the next operation selected from the menu. Generally, when the menu screen is started, most of the buttons selected in advance are for the main part reproduction of a movie or the like.

Accordingly, when the menu state is detected by the menu state detecting means 8 as described above, the "Enter" command is automatically executed by the Enter command input means 10 on the main body (player) side (ST25). Then, it is possible to shift from the menu screen to the main part reproduction (ST26). Note that the present invention can be applied to a device that enters the menu state according to the operation specifications of the player even if the first play program chain (FP_PGC) does not exist after the VMGI is read and acquired (ST22).

With the configuration as in the first embodiment, when a DVD-Video disc is inserted into the main unit (player), the content provider allows the user to select the disc on a menu screen, thereby reproducing the main part. Is performed, the player can perform the operation of "starting the content reproduction operation automatically" as in the case where the compact disc is inserted into the player.

Embodiment 2 FIG. General DVD-Video
In many cases, a disc is set on the disc side so that, after the main part of a movie or the like has been reproduced, a transition is made to menu screen reproduction. When a disc having such a setting is reproduced, when the display shifts to the menu screen, the operation is performed as follows. FIG. 5 is a flowchart for explaining the latter half operation of the disc reproducing apparatus. The disc is reproduced by the disc reproducing apparatus (ST31), the main movie is reproduced (title reproduction) (ST32), and when the reproduction of the title is completed (ST33), this is output from the demodulation means 6 and the title end detection means 11 is output. Is detected and transmitted to the control means 7 (ST33). Subsequently, the menu state detecting means 8 detects the transition to the menu state by the output from the demodulating means 6 and notifies the control means 7 (ST34). That is, when the menu state detecting means 8 detects within a predetermined time from the detection of the title end detecting means 11, it means that both the detecting means 11 and 8 have detected, and the Stop command input means 9 allows the player to automatically execute the Stop command. (ST35), and the player shifts to the Stop state.

As described above, when the screen shifts to the menu screen after the reproduction of the title is completed, it is detected and the St is detected.
By shifting to the op state, for example, in a so-called changer player that accommodates a plurality of discs and mechanically switches and reproduces them, even if title playback of the accommodated discs is completed, the screen shifts to a menu screen. , Even if it ’s designed to wait for a user ’s choice,
It is possible to automatically switch the discs sequentially and play back continuously.

[0020]

As described above, according to the disc reproducing apparatus of the present invention, in the disc reproducing apparatus for reproducing a DVD-Video disc, it is detected at the start of the disc reproducing operation that the operation has shifted to the menu state. A menu state detecting means for inputting an Enter command when a menu state is detected by the menu state detecting means;
Since the device has an inter command input means, it is possible to automatically start a content reproduction operation without a user selecting and inputting on a menu screen after a disc is inserted or power is turned on.

In a disc reproducing apparatus for reproducing a DVD-Video disc, title end detecting means for detecting that the title has been reproduced and completed, menu state detecting means for detecting a transition to the menu state, and both of the detecting means Since the stop command input means for inputting the stop command and stopping the main body by the output of the title is provided, the main body can be automatically stopped when the title is reproduced and finished, and the state returns to the menu state.

According to the disc reproducing method of the present invention, in the disc reproducing method for reproducing a DVD-Video disc, at the start of the disc reproducing operation, the step of detecting the transition to the menu state, and the transition to the menu state. When this is detected, the step of inputting the Enter command is performed, so that after the disc is inserted or the power is turned on, the content reproducing operation can be started automatically without the user making a selection input on the menu screen.

In the disc reproducing method for reproducing a DVD-Video disc, a step of detecting that the title has been reproduced and completed, a step of detecting transition to the menu state, and a stop command when both steps are detected. Is input and a step of stopping the main body is performed, so that when the title is played back and ended, and then the state returns to the menu state, the main body can be automatically stopped.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a disc reproducing apparatus according to Embodiment 1 of the present invention.

FIG. 2 is a flowchart illustrating an operation of the disk reproducing apparatus according to the first embodiment.

FIG. 3 is a diagram showing a structure of a logical format of a DVD-Video disc, which shows a DISC structure and a VMG structure.

FIG. 4 is a continuation of FIG. 3 with its VMGI structure and TT_S
Represents the RPT structure.

FIG. 5 is a flowchart illustrating an operation of the disc reproducing apparatus according to the second embodiment.

FIG. 6 is a block diagram showing a conventional disk reproducing apparatus.

FIG. 7 is a flowchart showing the first half operation of the conventional disk reproducing apparatus.

FIG. 8 is a flowchart showing the latter half of the operation of the conventional disk reproducing apparatus.

[Explanation of symbols]

Reference Signs List 1 disc 2 clamper 3 turntable 4 spindle motor 5 optical pickup 6 demodulation means 7 control means 8 menu state detection means 9 Stop command input means 10 Enter
Command input means 11 Title end detecting means.

Claims (4)

[Claims] In a disc reproducing apparatus for reproducing a DVD-Video disc, at the start of a disc reproducing operation, a menu state detecting means for detecting a transition to a menu state, and a menu state detected by the menu state detecting means. Enter to enter the Enter command
A disc reproducing apparatus comprising an r command input means and automatically starting a content reproducing operation. 2. A disc reproducing apparatus for reproducing a DVD-Video disc, title end detecting means for detecting that a title has been reproduced and ending, menu state detecting means for detecting a transition to a menu state, and both detecting means. A disc reproducing apparatus provided with a stop command input means for inputting a stop command according to the output of (1) and stopping the main body. 3. A disc reproducing method for reproducing a DVD-Video disc, wherein, at the start of a disc reproducing operation, a step of detecting a transition to a menu state, and a step of detecting the transition to a menu state.
A disc reproducing method in which a step of inputting an r command is performed to automatically start a content reproducing operation. 4. In a disc reproducing method for reproducing a DVD-Video disc, a step of detecting completion of reproduction of a title, a step of detecting transition to a menu state, and a stop command when both steps are detected. A method of playing a disc in which a step of inputting a command to stop the main body is performed.