JP2012174328A5

JP2012174328A5 -

Info

Publication number: JP2012174328A5
Application number: JP2011038487A
Authority: JP
Filing date: 2011-02-24
Publication date: 2013-12-05

Description

本発明の１態様に係る映像情報再生方法は、仮想マシン上で動作するプログラム、当該プログラムにより映像の再生が制御可能な仮想マシン利用型コンテンツ、および、前記仮想マシン利用型コンテンツの再生制御情報を含むプレイリストファイル、が記録された記録媒体から、前記映像を再生する処理を行う再生部と、制御部と、を備える映像情報再生装置が行う映像情報再生方法であって、前記制御部が、前記仮想マシン利用型コンテンツが、前記プログラムが起動しているとき及び前記プログラムが起動していないときの何れでも映像を再生することのできる第１種類のコンテンツであるか、前記プログラムが起動しているときにのみ映像を再生することのできる第２種類のコンテンツであるかを、前記再生制御情報から判定する判定過程と、前記仮想マシン利用型コンテンツの映像の再生が停止され、当該映像の再生を再開する際に、前記制御部が、前記判定過程で前記仮想マシン利用型コンテンツが前記第１種類のコンテンツであると判定されている場合には、前記プログラムを起動させないで、前記再生部に、前記映像の再生が停止された位置から、前記映像の再生を再開させる再生再開過程と、を有し、前記再生制御情報には、前記仮想マシン利用型コンテンツの映像の再生中に特定のユーザ操作を許可するか否かを示す操作情報が含まれており、前記制御部は、前記判定過程において、前記操作情報が、前記仮想マシン利用型コンテンツの映像の再生中に特定のユーザ操作を許可することを示す場合には、前記仮想マシン利用型コンテンツが第１種類のコンテンツであると判定し、前記操作情報が、前記仮想マシン利用型コンテンツの映像の再生中に特定のユーザ操作を許可しないことを示す場合には、前記仮想マシン利用型コンテンツが第２種類のコンテンツであると判定することを特徴とする。 A video information playback method according to an aspect of the present invention includes a program that operates on a virtual machine, virtual machine-based content that can be controlled by the program, and playback control information for the virtual machine-based content. A video information playback method performed by a video information playback device including a playback unit that performs processing for playing back the video from a recording medium in which a playlist file is recorded, and a control unit, wherein the control unit includes: The virtual machine utilization type content is the first type of content that can play back video both when the program is activated and when the program is not activated, or the program is activated Determination based on the playback control information whether the content is the second type of content that can be played back only when When the playback of the video of the virtual machine usage type content is stopped and the playback of the video is resumed, the control unit determines that the virtual machine usage type content is the first type of content in the determination process. if it is determined that there is not allowed to start the program, in the reproduction unit, from a position where the reproduction has been stopped in the image, have a, a reproduction resuming process resuming the reproduction of the video, the The playback control information includes operation information indicating whether or not a specific user operation is permitted during playback of the video of the virtual machine-based content, and the control unit performs the operation in the determination process. When the information indicates that a specific user operation is permitted during playback of the video of the virtual machine usage type content, the virtual machine usage type content is the first type of content. If it is determined that the operation information indicates that a specific user operation is not permitted during the reproduction of the video of the virtual machine usage type content, the virtual machine usage type content is the second type of content. It is characterized by determining .

Claims

From a recording medium on which a program that operates on a virtual machine, a virtual machine use type content that can control video reproduction by the program, and a playlist file that includes reproduction control information of the virtual machine use type content are recorded, A playback unit for performing a process of playing back the video;
A video information playback method performed by a video information playback device comprising a control unit,
Whether the control unit is the first type of content in which the virtual machine utilization type content can be played back when the program is activated and when the program is not activated, A determination process for determining from the playback control information whether the content is a second type of content that can be played back only when the program is running;
When the playback of the video of the virtual machine usage type content is stopped and the playback of the video is resumed, the control unit determines that the virtual machine usage type content is the first type content in the determination process. is if they will be, not to start the program, in the reproduction unit, from a position where the reproduction has been stopped in the image, have a, a reproduction resuming process resuming the reproduction of the video,
The playback control information includes operation information indicating whether a specific user operation is permitted during playback of the video of the virtual machine usage type content,
In the determination process, when the operation information indicates that a specific user operation is permitted during reproduction of the video of the virtual machine usage type content, the control unit uses the virtual machine usage type content as the first. When it is determined that the content is a type of content, and the operation information indicates that a specific user operation is not permitted during playback of the video of the virtual machine usage type content, the virtual machine usage type content is the second type. A video information reproducing method, wherein the content is determined to be a content of the video.

In the reproduction restart process, the control unit activates the program and causes the reproduction unit to start the program if the virtual machine usage type content is determined to be the second type content in the determination process. The video information playback method according to claim 1, wherein the playback of the video is resumed from a predetermined position different from the position where the playback of the video is stopped.

The video information reproduction method according to claim 2, wherein the predetermined position is a head position of information stored in the recording medium or a head position of the virtual machine utilization type content.

The reproduction control information includes sequential information indicating whether or not to sequentially reproduce the video of the virtual machine usage type content,
In the determination process, when the sequential information indicates that the video of the virtual machine usage type content is sequentially played back, the virtual machine usage type content is the first type of content. And when the sequential information indicates that the video of the virtual machine usage type content is not sequentially played back, it is determined that the virtual machine usage type content is the second type of content. The video information reproducing method according to any one of claims 1 to 3.

The playback control information includes still information indicating whether or not to perform a still operation at a specific location during the playback of the video of the virtual machine usage type content,
In the determination process, when the still information indicates that the still operation is not performed at a specific location during the reproduction of the video of the virtual machine usage type content, the control unit uses the virtual machine usage type content. If it is determined that the content is the first type of content, and the still information indicates that a still operation is to be performed at a specific location during the reproduction of the video of the virtual machine usage type content, the virtual machine usage type content is The video information reproducing method according to any one of claims 1 to 3, wherein the content is determined to be a second type of content.

The playback control information includes playback time information indicating the playback time of the video of the virtual machine usage type content,
In the determination process, when the total reproduction time calculated based on the reproduction time information is longer than a predetermined time in the determination process, the virtual machine usage type content is the first type content. If the total playback time calculated based on the playback time information is equal to or less than a predetermined time, it is determined that the virtual machine usage type content is the second type content. The video information reproducing method according to claim 1, wherein the video information reproducing method is a video information reproducing method.

The playback control information includes sequential information indicating whether or not the video of the virtual machine usage type content is to be played back sequentially, whether or not a specific user operation is permitted during playback of the video of the virtual machine usage type content. Operation information indicating, still information indicating whether or not to perform a still operation at a specific location during playback of the virtual machine-based content video, and playback time indicating the playback time of the virtual machine-based content video Contains any two or more of the information,
In the determination process, when the sequential information indicates that the video of the virtual machine usage type content is not sequentially played back, the operation information is being reproduced during playback of the video of the virtual machine usage type content. When indicating that a specific user operation is not permitted, when the still information indicates that a still operation is to be performed at a specific location during playback of the video of the virtual machine usage type content, and based on the playback time information When the total playback time calculated in the above satisfies one or more of the cases where the total playback time is equal to or less than a predetermined time, the virtual machine utilization type content is determined to be the second type content, and based on these information, If the virtual machine usage type content is not determined to be the second type of content, the virtual machine usage type Video information playback method according to any one of claims 1 to 3, characterized in that the content is determined to be a first type of content.

From a recording medium on which a program that operates on a virtual machine, a virtual machine use type content that can control video reproduction by the program, and a playlist file that includes reproduction control information of the virtual machine use type content are recorded, A playback unit for performing a process of playing back the video;
The virtual machine utilization type content is the first type of content that can play back video both when the program is activated and when the program is not activated, or the program is activated A determination unit that determines from the playback control information whether the content is a second type of content that can be played back only when
When playback of the video of the virtual machine usage type content is stopped and when the playback of the video is resumed, the determination unit determines that the virtual machine usage type content is the first type of content A playback control unit that restarts playback of the video from a position where playback of the video is stopped without starting the program ,
The playback control information includes operation information indicating whether a specific user operation is permitted during playback of the video of the virtual machine usage type content,
When the operation information indicates that a specific user operation is permitted during reproduction of the video of the virtual machine usage type content, the virtual machine usage type content is the first type of content. If the operation information indicates that a specific user operation is not permitted during playback of the video of the virtual machine usage type content, the virtual machine usage type content is the second type of content. A video information reproducing apparatus characterized by determining .

When the determination unit determines that the virtual machine usage type content is the second type content, the reproduction control unit activates the program and causes the reproduction unit to display the video. 9. The video information reproducing apparatus according to claim 8 , wherein the reproduction of the video is resumed from a predetermined position different from the position where the reproduction is stopped.

The video information reproducing apparatus according to claim 9 , wherein the predetermined position is a head position of information stored in the recording medium or a head position of the virtual machine utilization type content.

The reproduction control information includes sequential information indicating whether or not to sequentially reproduce the video of the virtual machine usage type content,
The determination unit determines that the virtual machine usage-type content is the first type of content when the sequential information indicates that the video of the virtual machine usage-type content is played back sequentially. information, wherein when the image of the virtual machine-using content indicating that no reproduction sequentially from claim 8, wherein the virtual machine-using content and judging that the second type of content 10 The video information reproducing device according to any one of the above.

The playback control information includes still information indicating whether or not to perform a still operation at a specific location during the playback of the video of the virtual machine usage type content,
When the still information indicates that the still operation is not performed at a specific location during the reproduction of the video of the virtual machine usage type content, the virtual machine usage type content is the first type of content. If the still information indicates that a still operation is to be performed at a specific location during the reproduction of the video of the virtual machine use type content, the virtual machine use type content is the second type of content. video information reproducing apparatus according to any one of claims 8 10, characterized in that determined to be.

The playback control information includes playback time information indicating the playback time of the video of the virtual machine usage type content,
The determination unit determines that the virtual machine usage type content is the first type content when the total playback time calculated based on the playback time information is longer than a predetermined time, The virtual machine utilization type content is determined to be the second type content when the total reproduction time calculated based on the reproduction time information is equal to or less than a predetermined time. The video information reproducing device according to any one of 8 to 10 .

The playback control information includes sequential information indicating whether or not the video of the virtual machine usage type content is to be played back sequentially, whether or not a specific user operation is permitted during playback of the video of the virtual machine usage type content. Operation information indicating, still information indicating whether or not to perform a still operation at a specific location during playback of the virtual machine-based content video, and playback time indicating the playback time of the virtual machine-based content video Contains any two or more of the information,
When the sequential information indicates that the video of the virtual machine usage type content is not played back sequentially, the operation information indicates a specific user operation during playback of the video of the virtual machine usage type content. When indicating that it is not permitted, when the still information indicates that a still operation is to be performed at a specific location during the playback of the video of the virtual machine utilization type content, and the total calculated based on the playback time information When the reproduction time satisfies one or more of cases where the reproduction time is equal to or less than a predetermined time, it is determined that the virtual machine usage type content is the second type of content, and based on these pieces of information, the virtual machine usage type If it is not determined that the content is the second type of content, the virtual machine utilization type content is the first type Video information reproducing apparatus according to any one of claims 8, wherein determining that a content 10.