JPH1118058A - Video reproduction device and video recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a use from overlooking video images which are not yet reproduced by providing a reproduction state of video data for the user in the case of changing plural kinds of video data whose contents differ from each other. SOLUTION: A video image of an angle 2 is reproduced and displayed on a screen 20 of a display monitor 2 during the reproduction of a recording medium. In this case, a multi-angle video image, consisting of four angle video images for titles during reproduction, is displayed on an upper part of the screen by numbers, 1, 2, 3, 4. The display of the numbers at the upper part of the screen denotes the reproduction state of a reproduction in progress, already reproduced state or non-reproduced. The user grasps angle video number (angles 1, 3, 4) whose angle video image is selected, an angle video number (angle 2) during reproduction and an angle video number (angle 4) not reproduced or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video reproducing apparatus for selecting and reproducing, in chronological order, a plurality of types of video data having different contents recorded on one recording medium.

[0002]

2. Description of the Related Art Along with recent advances in digital signal processing technology, small recording media having a very large storage capacity have been developed. Such a recording medium is suitable for recording video data having a large data amount, and has been used as a so-called digital video disk (DVD).

Since such a recording medium has a very large storage capacity, a plurality of types of video data having different contents are recorded, and by reproducing the plurality of types of video data in chronological order, according to the user's preference. So that you can get a better image. For multiple types of video,
There are multi-angle videos in which a certain event is shot from a plurality of different angles, and multi-story videos consisting of a plurality of story videos with different story developments.

[0004] In a video reproducing apparatus having a function of reproducing a plurality of types of video data recorded on a recording medium as described above, a user selects one of the plurality of types of video data in a chronological order, thereby obtaining a reproduced video. Can be arbitrarily changed to reproduce various images. In particular, by reproducing a multi-angle video or a multi-story video in chronological order, the development of one program can be changed.

[0005]

However, the conventional video reproducing apparatus does not manage reproduction information of a plurality of types of video data. Therefore, there is a possibility that an unplayed portion of the plurality of types of video data, which is not played back once because the user does not notice, may occur, and a problem that the diversity of playback provided in the recording medium cannot be sufficiently utilized. is there.

The present invention has been made in consideration of the above problems, and an object of the present invention is to provide a user with a reproduction state of video data when a plurality of types of video data having different contents are changed, so that the user is not required to change the content. It is an object of the present invention to provide a video reproducing apparatus capable of preventing a reproduced video from being overlooked.

Another object of the present invention is to provide a video playback apparatus capable of performing popular video playback based on the playback status of video data when playing back a plurality of types of video data recorded on a recording medium. It is to provide a device.

[0008]

In order to achieve the above object, the invention according to claim 1 is to select any one of a plurality of types of video data having different contents recorded on one recording medium. A video playback device that plays back in chronological order,
The gist of the invention is to provide a playback management unit for managing the playback status of a plurality of types of video data.

According to a second aspect of the present invention, in the video reproducing apparatus of the first aspect, the plurality of types of video are multi-angle video or multi-story video.

[0010] According to a third aspect of the present invention, in the video reproducing apparatus according to the first or second aspect, the reproduction management unit includes management information indicating a reproduction state of each video in a predetermined time interval or a predetermined scene as a reproduction unit. The main point is to store

According to a fourth aspect of the present invention, in the video reproducing apparatus according to any one of the first to third aspects, a display monitor for displaying a video and a reproduction state of each video data based on management information. The gist of the present invention is to provide a control unit for displaying on a display monitor.

According to a fifth aspect of the present invention, in the video reproducing apparatus according to the fourth aspect, the reproduction state of each video is superimposed and displayed on a display monitor. Claim 6
The gist of the present invention is that, in the video reproducing apparatus according to claim 4 or 5, the control unit selects and reproduces an unreproduced video based on the management information stored in the reproduction management unit. I do.

According to a seventh aspect of the present invention, in the video reproduction apparatus according to any one of the fourth to sixth aspects, the reproduction management unit reproduces each video with a predetermined time interval or a predetermined scene as a reproduction unit. Along with the management information indicating the status, priority information on the playback priority of each playback unit is recorded, and based on the priority information, the control unit plays back each video in each playback unit based on the priority information. I do.

According to an eighth aspect of the present invention, in the video reproducing apparatus according to any one of the fourth to sixth aspects, the control unit controls each reproduction unit based on management information and priority information of each video. The main point is to control the reproduction of the video.

According to a ninth aspect of the present invention, in the video reproducing apparatus according to any one of the fourth to sixth aspects, the reproduction of the video for each reproduction unit is performed based on the management information of each video. The gist of the present invention is to select a video with a high priority based on the priority information on the condition of the video of the above.

The invention according to claim 10 is the invention according to claims 7 to 9
In the video reproducing device according to any one of the above, the gist is that the priority information is information indicating the number of times of reproduction of the unit.

[0017] The invention described in claim 11 is the invention according to claims 7-1.
0, wherein the gist is that the priority information is superimposed and displayed on a display monitor.

According to a twelfth aspect of the present invention, in the video reproducing apparatus according to the tenth or eleventh aspect, a communication control unit connected to a network is provided, and the video reproducing apparatus transmits the priority information via the network. The gist is to be transmitted.

According to a thirteenth aspect of the present invention, in the video reproducing apparatus according to the twelfth aspect, the priority information corresponds to the reproduction unit of the recording medium of another video reproducing apparatus connected to the network. The gist is that information generated based on a video playback operation is transmitted.

According to a fourteenth aspect of the present invention, there is provided a computer-readable video recording medium on which a plurality of types of video data having different contents are recorded, and which one of the plurality of types of video data is reproduced. The gist is that the indicated reproduction information is recorded in the reproduction management unit.

According to a fifteenth aspect of the present invention, in the video recording medium according to the fourteenth aspect, the reproduction management unit stores management information indicating a reproduction state of each video with a predetermined time interval or a predetermined scene as a reproduction unit. The fact that it is recorded shall be the gist.

According to a sixteenth aspect of the present invention, in the video recording medium according to the fourteenth or fifteenth aspect, the reproduction management unit stores, for each reproduction unit, priority information on the reproduction priority of the video. Is the gist of that.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) Hereinafter, a video reproducing apparatus according to a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 shows a video reproducing apparatus 1 according to this embodiment.
It is a block diagram of 00. The video playback device 100 includes an operation unit 1 for operating the video playback device 100.
The operation unit 1 includes an operation panel, a remote controller, and the like. In addition, the video playback device 100 is a display monitor 2 for displaying video.
And a speaker 3 for emitting sound (voice).

The video reproducing apparatus 100 includes a drive control section 5, a video decoder section 6, an audio decoder section 7, a sub-picture decoder section 8, a data reproducing section 9, a system ROM.
A RAM 10 and a system control unit 11 are provided.

The recording medium 4 is a disk type recording medium,
Data consisting of video data and sound (including audio) data is recorded. As the recording medium 4, a disk-type recording medium on which recording data composed of a plurality of types of video data and audio (including audio) data having different contents is recorded, that is, a so-called DVD can be used. A plurality of types of video data recorded on a DVD include multi-angle video data and multi-story video data. Since the multi-story video is obtained by replacing the angle in the multi-angle video with a story, the multi-story video is hereinafter referred to as a multi-angle video. FIG. 3 shows the structure of the multi-angle video data recorded on the recording medium 4. In a concert as an event, an angle 1 is recorded as a whole view, an angle 2 is recorded as a vocal, and an angle 3 is recorded as a dance scene. The video data at each angle is composed of a number of playback units. This unit is composed of video or a predetermined scene for a predetermined time. In a multi-story video, the contents of the story and the like may be set as units.

The drive control unit 5 reads the recording data from the recording medium 4 and outputs the read data to the system control unit 11. The video decoder 6 decodes video data in the recording data read by the drive controller 5. The audio decoder 7 decodes sound data in the recording data read by the drive controller 5. The sub-picture decoder 8 decodes sub-picture data such as an operation instruction, a message, and an angle picture number.

The data reproducing section 9 outputs the signals decoded by the decoder sections 6 and 8 to the display monitor 2 and outputs the signals decoded by the decoder section 7 to the speaker 3. The system ROM / RAM 10
It comprises a ROM in which a control program for realizing the video reproduction function is recorded and a RAM as a working memory.

The system control unit 11 includes a system ROM
-Based on the control program recorded in the RAM 10,
The drive control unit 5, video decoder unit 6, audio decoder unit 7, sub-picture decoder unit 8, system RO
The M / RAM 10 is controlled.

In the system ROM / RAM 10, an angle reproduction management section 12 for maintaining a reproduction state in multi-angle image reproduction is secured, and an angle flag indicating whether or not multi-angle image reproduction is being performed. In addition, a recording area for storing information such as a current angle No. (number) indicating an angle video number during reproduction and a reproduction mode is secured.

FIG. 4 shows an example of the format of the angle reproduction information table 21 recorded in the angle reproduction management section 12. The angle reproduction information table 21 has a recording area secured for each title (program) reproduced by the video reproduction apparatus 100, and is used when displaying an angle video reproduction status and performing an unreproduced angle reproduction mode or the like. You.

The angle reproduction information table 21 is composed of a plurality of storage areas 22, 23, 24, 25. The recording area 22 contains the angle video reproduction information table 2
An information recording timestamp, which is the date and time when 1 was created or updated, is recorded. In the recording area 23, a disc identification ID for identifying the recording medium 4 set in the drive control unit 5 is recorded. In the recording area 23, title No. information for discriminating individual titles is recorded together with the disc identification ID. .., N are recorded in the plurality of storage areas 25, respectively. Each of the unit reproduction information 0, 1,..., N includes angle No information including the unit, a flag indicating the reproduction state of the unit (00b: not reproduced, 01b: reproducing, 11b: reproduced), It is composed of reproduction frequency information as priority information. Each unit playback information 0, 1, ...,
n are sequentially recorded so as to have a correlation with the units recorded on the recording medium 4 and the number of recordings and the recording order.

Such an angle reproduction information table 21
Is set in the angle reproduction management unit 12 for each title reproduced by the video reproduction device 100. For this reason,
Angle playback information table increases, ROM for system
When the capacity of the working memory of the RAM 10 is insufficient, the information in the oldest angle reproduction information table 21 is deleted by referring to the information recording time stamp to secure the working memory. When the recording medium 4 is a rewritable medium, information of the angle video reproduction information table 21 corresponding to the recording medium 4 can be recorded on the recording medium 4.

The disc identification I to the recording area 23
In the case of recording D, when a unique identification symbol serving as an identification ID is not recorded on the recording medium 4, a disc creation time stamp, an address table of recording data, and the like can be combined and used as a disc identification ID.

The recording medium 4 corresponds to the video reproducing apparatus 10.
In the case of a recordable medium at 0, the information of the angle reproduction management unit 12 can be recorded on the recording medium 4.

In the video reproducing apparatus 100 having the above-described configuration, the user operates the recording medium 4 such as a video CD or a DVD.
Is set in the drive control unit 5 of the video reproducing apparatus 100. Then, by operating the video playback device 100 using the operation unit 1, it is possible to view the video on the display monitor 2 and the speaker 3.

When reproducing multi-angle video data, for example, the display switching button of the operation unit 1 is operated to display the reproduction status of the angle video on the display monitor 2, and the selection button is operated to operate the desired angle video number. Select At this time, the system control unit 11 reads out the switchable angle video number and the information on the reproduction state of the recording medium 4 from the angle reproduction management unit 12, and displays the angle video reproduction state shown in FIG. Display above.

FIG. 2 shows a video reproducing apparatus 100 according to this embodiment.
5 is an example of the screen 20 displayed on the display monitor 2, and illustrates a case where the display switching button of the operation unit 1 is operated during reproduction of the recording medium 4 to instruct the switching of the angle video. The entire screen indicates that the video of the angle 2 is being reproduced. The upper part of the screen is numbered 1, 2, 3, 4.
This indicates that the title being reproduced is a multi-angle video composed of four angle videos.

The number display method at the top of the screen indicates the state of reproduction, that is, reproduction, reproduction, or non-reproduction. In FIG. 2, for the sake of convenience, the currently reproduced state is displayed in reverse video, the reproduced state is displayed in a bold frame, and the unreproduced state is displayed in a thin frame. , The reproduction state and the number of times of reproduction can be indicated by characters.

The user can select a screen 20 as shown in the example of FIG.
The angle video numbers (angles 1, 3, and 4 in FIG. 2) for which angle video can be switched, the angle video numbers being reproduced (angle 2 in FIG. 2), and the unreproduced angle video numbers (angle 4 in FIG. 2) Etc. can be grasped.

In the video reproducing apparatus 100, when the display switching button of the operation section 1 is operated, the system control section 11 displays the angle video reproducing state shown in the example of FIG. When the selection button of the operation unit 1 is operated in this state, the system control unit 11 switches to the angle image of the designated number, and when the display switching button is operated again, the system control unit 11 hides the angle image reproduction state. .

By operating the playback mode button of the operation unit 1 irrespective of whether or not the angle video playback status is displayed, a mode menu such as a normal playback mode, an unplayed angle playback mode, and a popular angle playback mode is displayed. I do. After each reproduction mode is selected, switching is realized by operating a reproduction execution button.

The normal reproduction mode is a mode in which reproduction is performed in accordance with a reproduction control command recorded on a recording medium and a recording order. The unplayed angle playback mode is a mode in which unplayed angle videos are sequentially and automatically played back based on the angle video playback status. The popular angle reproduction mode is a mode for automatically reproducing an angle video having a large number of reproductions. The reproduction mode is recorded in the recording area of the reproduction mode in the system ROM / RAM 10 when the reproduction mode is switched.

FIG. 3 shows a video reproducing apparatus 100 according to this embodiment.
It is an image figure of the multi-angle image switching in. The recording medium 4 to be reproduced is a concert video in which the angle 1 is recorded as a whole view, the angle 2 is recorded as a vocal, and the angle 3 is recorded as a dance scene. FIG. 3 shows that the angle is changed in the order of the whole view, the vocal, and the dance scene, and at this time, the units 1, 2, 6, and 9 are reproduced.

Next, in the video playback apparatus 100 configured as described above, the angle control information is reproduced by the system control unit 1 using the angle reproduction information table 21.
1 will be described with reference to the flowcharts of FIGS.

FIG. 5 shows a video reproducing apparatus 100 according to this embodiment.
5 shows a processing procedure when the user inserts the recording medium 4 into the drive of the video reproducing apparatus 100. First, the system control unit 11 reads the disk identification ID from the recording medium 4 in the drive control unit 5 in step 31.

Next, in step 32, it is determined whether or not the angle reproduction management table 12 has an angle reproduction information table having a disk identification ID that matches the read disk identification ID. Here, if it is determined that there is no angle reproduction information table having the same disk identification ID, the inserted recording medium 4 is regarded as a disk to be reproduced for the first time.

In step 33, an area of the angle reproduction information table is secured for each title of the new disk, and the disk identification ID and title No. read from the disk are recorded in the recording areas 23 and 24, respectively.
The reproduction flags of all the unit reproduction information are not reproduced (00
b), initialization is performed by setting the number of reproduction times to 0.

If it is determined in step 32 that there is an angle reproduction information table having the same disk identification ID, it means that the disk has already been reproduced. Is used.

FIG. 6 shows a video reproducing apparatus 100 according to this embodiment.
5 shows a processing procedure when the user operates the display switching button of the operation unit 1. In step 41, the system control unit 11 turns ON / OFF the angle flag according to the state of the display switching button operation by the user's operation.
Switch.

When the angle flag is set to ON, in step 42, the angle reproduction management unit 12 searches the angle reproduction information table of the title No. being reproduced, and finds the recording position (time) corresponding to the unit being reproduced. Read a plurality of unit reproduction information.

Then, in step 43, a sub-picture corresponding to the state of the reproduction flags is created based on the plurality of read unit reproduction information, decoded by the sub-picture decoder 8, and displayed via the data reproduction section 9. Display on monitor 2. Here, the created and displayed sub-picture is, for example, as shown in FIG.
As shown in (1), it indicates the number and playback state of the existing angle video, and may be any video that can be identified by the user. For example, instead of the angle video number, video data or text characters indicating characteristics of the angle video may be displayed.

In step 41, the angle flag is set to O
If it is set to FF, in step 44 the system control unit 11 creates data for hiding the playback status, and outputs the angle video being displayed on the monitor 2 via the sub-video decoder 8 and the data playback unit 9. Hide the sub-picture showing the playback status.

FIG. 7 shows a video reproducing apparatus 100 according to this embodiment.
5 shows a processing procedure when the user operates the selection button of the operation unit 1 and designates an angle video number when the angle flag in the system ROM / RAM 10 is ON.

First, the system control unit 11 executes step 5
At 1, it is determined whether or not the angle video of the designated number is recorded on the disc. If it is determined that there is an angle video with the specified number, in step 52, the current angle No inside the system ROM / RAM 10 is changed to the specified number. Step 5
In step 1, if it is determined that there is no angle video with the designated number, a message indicating that the designated angle No does not exist is displayed, and the current angle No uses the current value as it is.

Next, in step 53, the address of the unit to be reproduced next is searched for in the angle set as the current angle No. FIG. 8 shows a reproduction processing procedure after determining the address of a unit to be reproduced in the video reproduction device 100 of the present embodiment.

When the address of the unit to be reproduced is determined, the system control section 11 reads the recording data from the recording medium 4 in step 61. The read data is decoded by the video decoder section 6, the audio decoder section 7, and the sub-picture decoder section 8 in step 62, and is output to the display monitor 2 and the speaker 3 via the data reproducing section 9.

In step 63, it is determined whether or not the reproduced video is a multi-angle video. If it is determined in step 63 that the image is a multi-angle image, step 64
, The angle reproduction management table 12 in the system ROM / RAM 10 is searched for an angle reproduction information table having the same title No. being reproduced, and the reproduction flag of the unit reproduction information corresponding to the reproduction unit is being reproduced (01b).
Set to. When the reproduction of the video is completed, the reproduction flag is set to “reproduced” (11b), and 1 is added to the number of times of reproduction.
Further, the information recording time stamp is updated.

In step 65, the system ROM R
The playback mode in AM10 is determined. The playback mode is a parameter that is changed when the user operates the playback mode button of the operation unit 1. If it is determined in step 65 that the playback mode is the normal playback mode, the address of the next unit after the unit being played in the angle including the unit being played is searched, and in step 65, the playback mode is the unplayed angle playback mode or the popular playback mode. If it is determined that the mode is the angle reproduction mode, the process of step 66 is executed.

In the case of the unplayed angle playback mode, an angle video whose playback flag is unplayed (00b) is searched from the unit playback information corresponding to the unit to be played next, and the current angle in the system ROM / RAM 10 is searched. No is set to the unplayed angle video number. If all the angle videos have been reproduced, the unit of the angle video with the least number of reproductions is set as the unreproduced angle video number as the current angle No.

In the case of the popular angle reproduction mode, an angle image having the largest number of reproductions is searched based on the number of reproductions in the unit reproduction information, and the system ROM / RA is searched.
The current angle No inside M10 is changed to the most viewed angle video number. Then, in step 67,
The reproduction address of the next unit corresponding to the current angle No in the system ROM / RAM 10 is searched.

Thereafter, the reproduction processing in steps 61 to 67 described above is repeated, and when an instruction is issued to the operation unit 1 by the user, the reproduction processing corresponding to the operation instruction is performed.
Since the video reproduction device 100 of the present embodiment is configured as described above, the following effects are obtained.

Since the video playback device 100 manages the playback status of the angle video in the angle playback information table set for each title on the recording medium 4, the playback status of the angle video is used in the playback of the multi-angle video. Can be displayed to the user. Thus, the user does not miss the unplayed angle video among the plurality of types of video data, and can sufficiently utilize the variety of playback provided in the recording medium.

Since the unit playback information in the angle playback information table has a playback flag, the unplayed angle video can be automatically played back as needed.・
Since the unit reproduction information of the angle reproduction information table records information on the number of times of reproduction as priority information,
Automatic playback of an angle video that is frequently viewed can be performed, and a better video playback device can be provided to the user.

(Second Embodiment) Next, a video reproducing apparatus according to a second embodiment of the present invention will be described with reference to FIG.

The video reproducing apparatus 200 according to the present embodiment
A communication control unit 13 is provided. The communication control unit 13 is connected to the server personal computer via a network, and the angle reproduction information table 21 (shown in FIG. 4) recorded in the angle reproduction management unit 12 is stored in the server personal computer. By doing so, a system for sharing information with a video playback device connected to another network is constructed.

In the system configured as described above, first, the recording medium 4 is set in the drive control unit 5 of the video reproducing apparatus 200. Then, the video playback device 200 starts connection with the server personal computer via the communication control unit 13.

Next, as described in the flowchart of FIG. 5, the angle reproduction information table on the server personal computer is selected according to the title to be reproduced. Then, each time the multi-angle video reproduction is performed, an update command of the unit reproduction information is transmitted to the server personal computer. The unit playback information update command includes a disc identification ID, a title number for designating a playback title, and a unit record N
o is the packet data.

Upon receiving the update command, the server personal computer searches the angle reproduction information table based on the disc identification ID and the title No., specifies the corresponding unit reproduction information based on the unit record No., and determines the number of times of reproduction. Is added to. The number of times of reproduction is used for selection of a popular angle video as priority information.

Since the video reproducing apparatus 200 of the present embodiment is configured as described above, the following effects can be obtained. By collectively managing the angle reproduction information table on the server personal computer, the memory of the system ROM / RAM 10 in the video reproduction apparatus 200 can be saved, and the size and cost of the system ROM / RAM 10 can be reduced.

By reading the priority information from the angle reproduction information table stored on the server personal computer, it is possible to conduct a preference survey from an unspecified number of users who use other video reproduction devices connected to the network. Becomes

[0072]

As described in detail above, according to the present invention,
When any one of a plurality of types of video data having different contents recorded on one recording medium is selected and reproduced in chronological order, based on the reproduction status information of each video recorded on the recording medium, It is possible to confirm the presence or absence of a reproduced video, and it is possible to make full use of the variety of reproduction provided in the recording medium.

Further, according to the present invention, since the information of the reproduction state of each video is recorded in the reproduction management section, it is possible to perform the automatic reproduction in which the unreproduced video is preferentially selected as necessary. Further, according to the present invention, since the playback management unit records the priority information indicating the playback priority of each video, the video can be automatically played back based on the priority information. In particular, it is also possible to automatically reproduce a video having a high number of times of viewing as a favorite angle video based on the reproduction frequency information.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a video playback device according to a first embodiment.

FIG. 2 is an explanatory diagram showing an angle video reproduction status display.

FIG. 3 is an image diagram showing angle image switching.

FIG. 4 is a format diagram of an angle reproduction information table.

FIG. 5 is a flowchart showing an operation when a recording medium is inserted.

FIG. 6 is a flowchart showing an operation at the time of operating an angle image.

FIG. 7 is a flowchart showing an operation at the time of operating an angle image;

FIG. 8 is a flowchart showing an operation during video reproduction.

FIG. 9 is a block diagram illustrating a video playback device according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Operation part 2 ... Monitor 3 ... Speaker 4 ... Storage medium 5 ... Drive control part 6 ... Video decoder part 7 ... Audio decoder part 8 ... Sub-picture decoder part 9 ... Data reproduction part 10 ... System ROM / RAM 11 ... System Control unit 12: Angle reproduction management unit 13: Communication control unit

Claims (16)

[Claims] An image reproducing apparatus for selecting one of a plurality of types of video data having different contents recorded on one recording medium and reproducing the selected video data in chronological order, wherein the reproduction of the plurality of types of video data is performed. A video playback device provided with a playback management unit that manages the situation. 2. The video playback device according to claim 1, wherein the plurality of types of videos are multi-angle videos or multi-story videos. 3. The video playback device according to claim 1, wherein the playback management unit stores management information indicating a playback status of each video with a predetermined time interval or a predetermined scene as a playback unit. . 4. The video reproducing apparatus according to claim 1, wherein a display monitor for displaying a video and a reproduction state of each of the video data are displayed on the display monitor based on the management information. A video playback device comprising: 5. The video playback device according to claim 4, wherein the playback status of each video is superimposed and displayed on the display monitor. 6. The video reproduction device according to claim 4, wherein the control unit selects and reproduces an unreproduced video based on management information stored in the reproduction management unit. 7. The video playback device according to claim 4, wherein the playback management unit indicates a playback status of each video using the predetermined time interval or a predetermined scene as a playback unit. In addition, priority information regarding the playback priority of each playback unit is recorded, and the control unit plays back each video for each playback unit based on the priority information. 8. The video playback device according to claim 4, wherein the control unit is configured to control the video of each of the playback units based on the management information of the video and the priority information. Video playback device that controls playback. 9. The video playback device according to claim 4, wherein the playback of the video in each of the playback units is based on management information of the video and on a condition of an unplayed video. And a video reproducing apparatus for selecting a video with a high priority based on the priority information. 10. The video playback device according to claim 7, wherein the priority information is information indicating the number of times the unit has been played back. 11. The video playback device according to claim 7, wherein the priority information is superimposed and displayed on the display monitor. 12. The video playback device according to claim 10, further comprising a communication control unit connected to a network, wherein the video playback device receives the priority information via the network. . 13. The video reproduction device according to claim 12, wherein the priority information is based on a reproduction operation of a video corresponding to the reproduction unit of the recording medium of another video reproduction device connected to a network. A video playback device to which generated information is transmitted. 14. A computer-readable video recording medium on which a plurality of types of video data having different contents are recorded, wherein reproduction information indicating which video data of the plurality of types of video data has been reproduced is managed by a reproduction manager. Video recording medium recorded in the unit. 15. The video recording medium according to claim 14, wherein the reproduction management unit records management information indicating a reproduction state of each video with the predetermined time interval or a predetermined scene as a reproduction unit. recoding media. 16. The video recording medium according to claim 14, wherein the reproduction management unit records priority information on the reproduction priority of the video for the reproduction unit.