JP2004103124A - Information processor, information processing method and program for realizing the information processing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information processor, an information processing method and a program for realizing the information processing method by which, even when information which is recorded on an certain recording medium is duplicated on a recording medium whose recording mode is different from that of the certain recording medium, the information can be duplicated by effectively using information of the origin of the duplication. <P>SOLUTION: Video files 401 to 405 and play list files 301, 302 are stored on an optical disk. In the case where contents of the play list file 301 are contents such as to reproduce successively the video file 401, the video file 402 and the video file 403 and contents of the play list file 302 are contents such as to reproduce successively the video file 401, the video file 403 and the video file 404, when copying from the optical disk to a magnetic tape is directed, copying of the video file group specified by the play list file 301 and copying of the video file group specified by the play list file 302 continue from the beginning of the tape and at last, all video files stored in the optical disk are copied. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an information processing apparatus, an information processing method, and a program for implementing the information processing method, which copy information recorded on a randomly accessible recording medium onto a randomly inaccessible recording medium.
[0002]
[Prior art]
In recent years, as the digitization of video has progressed rapidly, the role of the recording medium has only to be able to store the required amount of digital information at the required speed, and it must be a dedicated recording medium like conventional analog video signals. Is gone.
[0003]
Many recording media of various forms for storing digital data have been proposed, and among them, a recording medium such as a random accessible optical disk capable of quickly searching for a scene to be viewed has attracted attention.
[0004]
[Problems to be solved by the invention]
However, when attempting to copy video information (digital data file) recorded on a certain recording medium to a recording medium having a different recording mode, the additional information is retained differently between the two recording media. Some information may be missing or meaningless.
[0005]
For example, a recording medium that uses a playlist for editing video information in a randomly accessible recording medium has been proposed. In this method, at the time of editing, a playlist showing the playback procedure of the video information is created without processing the video information as the material, and at the time of playback, the video information is arranged in the specified order based on this playlist file. It is made to play in.
[0006]
If such a method is applied to a recording medium that cannot be randomly accessed as it is, it takes a very long time to search for video information during reproduction, and it is difficult to perform continuous reproduction.
[0007]
As described above, there is a case where it does not make sense to copy the control information as it is.
[0008]
Also, depending on the recording medium at the copy destination, there may be no area for recording control information such as a playlist file.
[0009]
The present invention has been made by paying attention to this point. Even when information recorded on a certain recording medium is duplicated on a recording medium having a different recording mode, the information of the duplication source is effectively used. An object of the present invention is to provide an information processing apparatus, an information processing method, and a program for implementing the information processing method, which can be copied.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, the information processing apparatus according to claim 1, wherein the stored main information is stored from a first recording medium storing a plurality of pieces of main information and control information for controlling each of the pieces of main information. Reading means for reading information and control information; storage means for storing control information read by the reading means; and main information read by the reading means different from a first recording medium in a recording mode. A control unit that reads control information from the first storage medium by a writing unit that writes to a second recording medium and stores the control information in the storage unit, and based on the stored control information, Control means for reading main information from the first recording medium and controlling the writing means to write the main information on the second recording medium. That.
[0011]
The information processing device according to claim 2 is the information processing device according to claim 1, wherein the control unit further reads out all the main information stored in the first recording medium by the reading unit, The writing means controls the writing to the second recording medium.
[0012]
The information processing apparatus according to claim 3, further comprising processing means for processing the main information read by the reading means, wherein the writing means comprises the processing means. And writing the main information processed in the second recording medium.
[0013]
The information processing apparatus according to claim 4 is the information processing apparatus according to claim 1, wherein the first recording medium is a randomly accessible recording medium, and the second recording medium is: It is a recording medium that cannot be accessed randomly.
[0014]
The information processing apparatus according to claim 5, wherein in the information processing apparatus according to any one of claims 1 to 4, the main information is video information, and the control information is information indicating an order in which the main information is reproduced. There is a feature.
[0015]
In order to achieve the above object, an information processing apparatus according to claim 6, wherein the stored main information is stored in a first storage medium storing a plurality of pieces of main information and control information for controlling each of the pieces of main information. Reading means for reading information and control information, storage means for storing the control information read by the reading means, main information read by the reading means, output means for outputting to the outside of the device, The control unit reads control information from the first recording medium, stores the control information in the storage unit, and, based on the stored control information, reads the main information from the first recording medium based on the stored control information. Control means for controlling reading and outputting to the outside by the output means.
[0016]
In order to achieve the above object, an information writing device according to a seventh aspect of the present invention uses a second information having a recording mode different from that of the first recording medium, for storing the main information output from the information processing device according to the sixth aspect. It has a writing means for writing to a recording medium.
[0017]
In order to achieve the above object, a control method of an information processing apparatus according to claim 8, wherein a plurality of pieces of main information and control information for controlling each of the pieces of main information are stored on a first storage medium. A reading step of reading the read main information and control information, a storage step of storing the control information read by the reading step in a storage unit, and a first storage medium storing the main information read by the reading step. A writing step of writing to a second recording medium having a different recording mode, and a reading step of reading control information from the first recording medium and storing the read control information in the storage means, based on the stored control information. The main information is read from the first recording medium by the reading step, and the main information is read to the second recording medium by the writing step. Characterized by a control step of controlling to burn them.
[0018]
In order to achieve the above object, a method of controlling an information writing device according to claim 9, wherein the storage method includes a step of storing a plurality of main information and a control information for controlling each of the main information from a first recording medium. A reading step of reading out the read main information and control information, a storage step of storing the control information read by the reading step in a storage unit, and storing the main information read by the reading step outside the device. Outputting the control information from the first recording medium by the output step of outputting, and storing the control information in the storage means, and performing the first read operation by the reading step based on the stored control information. A control step of reading main information from a recording medium and controlling the output to the outside by the output step. To.
[0019]
In order to achieve the above object, the program according to claim 10, wherein the stored main information and the control information for controlling each of the plurality of main information are stored in a first storage medium. A read procedure for reading the control information, a storage procedure for storing the control information read by the read procedure in a storage unit, and the main information read by the read procedure are stored in a first recording medium in a recording mode. The control information is read from the first recording medium by a writing procedure for writing to a different second recording medium and the reading procedure, stored in the storage means, and the read procedure is performed based on the stored control information. And a control procedure for reading out the main information from the first recording medium and controlling to write the main information on the second recording medium by the writing procedure. Characterized in that it is intended to be executed by the data.
[0020]
In order to achieve the above object, a program according to claim 11, wherein a plurality of pieces of main information and control information for controlling each of the pieces of main information are stored from a first recording medium in which the stored main information and the main information are stored. A read procedure for reading control information, a storage procedure for storing the control information read by the read procedure in a storage unit, and an output procedure for outputting the main information read by the read procedure to outside the device. Reading the control information from the first recording medium according to the reading procedure, storing the control information in the storage means, and, based on the stored control information, reading the control information from the first recording medium according to the reading procedure. And causing the computer to execute a control procedure for controlling output to the outside by the output procedure.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0022]
FIG. 1 is a block diagram illustrating a schematic configuration of an information processing apparatus according to an embodiment of the present invention.
[0023]
In the figure, the information processing apparatus according to the present embodiment includes an operation unit 1, a display unit 2, a control unit 3, a read unit 4, a decode unit 5, a recording unit 6, a disk list memory 7, It is mainly composed of a playlist memory 8, and the components 1 to 8 are interconnected via a bus 9.
[0024]
FIG. 1 also shows an optical disk 100 as a copy source and a magnetic tape 110 as a copy destination.
[0025]
The optical disc 100 can store a plurality of video files and a plurality of playlist files.
[0026]
Nothing is recorded on the magnetic tape 120, and the magnetic tape 120 is in a rewound state.
[0027]
The operation unit 1 includes a start button (not shown) and monitors the operation of the button.
[0028]
The display unit 2 includes first and second display units (not shown), can display an arbitrary character string, and displays the progress of the operation of the entire apparatus.
[0029]
The control unit 3 controls the operation of the entire apparatus.
[0030]
The reading unit 4 reads the specified file and sends it to the control unit 3 or the decoding unit 5.
[0031]
The decoding unit 5 decodes the video file transmitted from the reading unit 4 and converts the video file into a video signal.
[0032]
The recording unit 6 records the video signal on the magnetic tape 110.
[0033]
The disc list memory 7 can store all the names of the playlist files stored on the optical disc 100. Further, all the names of the video files stored on the optical disc 100 can be stored.
[0034]
The playlist memory 8 can extract and store a list of video file names from the contents of the playlist file.
[0035]
FIG. 2 is a diagram for explaining a video file and a playlist file stored on the optical disc 100.
[0036]
As shown in the figure, the optical disc 100 stores, for example, five video files, that is, video files 401 to 405, and two playlist files, that is, playlist files 301 and 302.
[0037]
FIG. 3 is a diagram for explaining the contents of each playlist file in FIG.
[0038]
In FIG. 3, the content of the playlist file 301 is such that the video file 401, the video file 402, and the video file 403 are sequentially reproduced.
[0039]
The content of the playlist file 302 is such that the video file 401, the video file 403, and the video file 404 are sequentially reproduced.
[0040]
Hereinafter, a control operation performed by the information processing apparatus configured as described above will be described.
[0041]
First, the control unit 3 sends a monitoring command to the operation unit 1. The operation unit 1 monitors the operation of the start button according to the monitoring command, and when operated, completes the processing of the monitoring command and notifies the control unit 3 of the completion.
[0042]
Next, the control unit 3 sends a new command to the disk list memory 7. The disc list memory 7 reads the playlist file list command according to the new command, and transmits it to the reading unit 4. The reading unit 4 returns a list of playlist file names stored in the optical disc 100 to the disc list memory 7 in response to the playlist file list command.
[0043]
The disk list memory 7 stores a list of the names of the playlist files returned from the reading unit 4.
[0044]
Further, the control unit 3 transmits a video file list command to the reading unit 4. The reading unit 4 returns a list of the names of the video files stored on the optical disk 100 to the disk list memory 7 in response to the video file list command. The disk list memory 7 stores a list of video file names returned from the read unit 4.
[0045]
Next, the control unit 3 transmits an all playlist copy operation command to itself. The control unit 3 performs an all playlist copy operation in response to an all playlist copy operation command. The entire playlist copy operation will be described later.
[0046]
Next, the control unit 3 sends an all video file copy operation command to itself. The control unit 3 performs a full video file copy operation in response to a full video file copy operation command. The entire video file copy operation will also be described later.
[0047]
The above is the operation of the entire apparatus. In the copy destination, video files based on all playlists included in the copy source are recorded, and subsequently, all video files included in the copy source are recorded. You.
[0048]
FIG. 4 is a diagram for explaining the magnetic tape 110 after the control operation has been completed.
[0049]
In the figure, the copy of the video file group specified by the playlist file 301, the copy of the video file group specified by the playlist file 302, and the last are stored on the optical disc 100 in order from the beginning of the tape. All the video files are copied.
[0050]
Next, the operation of copying all playlists will be described.
[0051]
The control unit 3 transmits a playlist file name list command to the disc list memory 7 in response to the all playlist copy operation command. The disc list memory 7 returns a list of playlist file names stored therein to the control unit 3 in response to a playlist file name list command.
[0052]
Next, the control unit 3 transmits to itself a playlist copy operation command for each of the returned playlist file name lists.
[0053]
The above is the entire playlist copy operation. In the present embodiment, the playlist file 301 and the playlist file 302 are specified and the playlist copy operation is performed.
[0054]
Next, a playlist copy operation will be described.
[0055]
The control unit 3 transmits a display 1 command for the specified playlist file to the display unit 2 according to the playlist copy operation command. The display unit 2 displays the name of the specified playlist file, which is the display content, on the first display unit in response to the display 1 command.
[0056]
Next, the control unit 3 transmits a new command for the designated playlist file to the playlist memory 8. The playlist memory 8 reads the designated playlist file in accordance with the new command, and holds it in itself.
[0057]
Next, the control unit 3 transmits a video file name list command to the playlist memory 8. The playlist memory 8 returns a list of video file names to the control unit 3 according to the video file name list command.
[0058]
Next, the control unit 3 transmits a video file copy operation command for each of the returned video file name lists to itself. The control unit 3 performs a video file copy operation according to a video file copy operation command. The video file copy operation will be described later.
[0059]
The above is the playlist copy operation. In the present embodiment, in the case of the playlist file 301, the video files 401, 402, and 403 are provided. The file 401, the video file 403, and the video file 404 are specified, and a video file copy operation is performed.
[0060]
Next, the entire video file copying operation will be described.
[0061]
The control unit 3 transmits a video file name list command to the disc list memory 7 in response to an all video file copy operation command. The disk list memory 7 returns a list of video file names stored therein to the control unit 3 in response to a video file name list command.
[0062]
Next, the control unit 3 transmits a video file copy operation command for each of the returned video file name lists to itself. The control unit 3 performs a video file copy operation according to a video file copy operation command. The video file copy operation will be described later.
[0063]
The above is the entire video file copy operation. In the present embodiment, the video file 401, the video file 402, the video file 403, the video file 404, and the video file 405 are specified and the video file copy operation is performed.
[0064]
Next, a video file copying operation will be described.
[0065]
The control unit 3 transmits a display 2 command for the specified video file to the display unit 2 according to the video file copy operation command. The display unit 2 displays the name of the designated video file, which is the display content, on the second display unit in response to the display 2 command.
[0066]
Next, the control unit 3 transmits a start command for the designated video file to the read unit 4. The read unit 4 reads the specified video file from the optical disc 100 according to the start command, transmits the read video file to the decode unit 5, and starts the read operation.
[0067]
Next, the control unit 3 transmits a start command to the decode unit 5. The decoding unit 5 starts a decoding operation of decoding the video file transmitted from the reading unit 4 and converting the video file into a video signal in response to a start command.
[0068]
Next, the control unit 3 transmits a recording command to the recording unit 6. The recording unit 6 starts a recording operation for recording a video signal from the decoding unit 5 on the magnetic tape 110 in response to a recording instruction.
[0069]
Next, the control unit 3 sends a monitoring command to the decoding unit 5. The decoding unit 5 monitors the state of the decoding operation according to the monitoring command, and when the decoding is completed, notifies the control unit 3 that the processing is completed.
[0070]
Next, the control unit 3 reads out the stop command and transmits it to the reading unit 4. The read unit 4 stops the read operation in response to the stop command.
[0071]
Next, the control unit 3 transmits a stop command to the decoding unit 5. The decoding unit 5 stops the decoding operation in response to the stop command.
[0072]
Next, the control unit 3 transmits a stop command to the recording unit 6. The recording unit 6 stops the recording operation in response to the stop command.
[0073]
Next, the control unit 3 transmits a display 2 deletion command to the display unit 2 so as to delete the display. The display unit 2 deletes the display on the second display unit in response to the display 2 deletion command.
[0074]
The above is the video file copy operation.
[0075]
FIG. 5 is a block diagram showing a schematic configuration of an information processing apparatus according to another embodiment of the present invention.
[0076]
As shown in the figure, the information processing apparatus of the present embodiment includes a disc reproducing apparatus 20 for reproducing the optical disc 100 with respect to the information processing apparatus of the above embodiment, that is, the information processing apparatus of FIG. The only difference is that a tape recording device 30 for recording on a magnetic tape is separated. Therefore, in FIG. 5, the blocks having the same functions as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.
[0077]
The disc reproducing device 20 includes an operation unit 21, a control unit 22, an input / output interface (I / F) 23, a display unit 2, a read unit 4, a disc list memory 7, and a playlist memory 8, It is mainly configured, and the components 21 to 23, 2, 4, 7 and 8 are interconnected via a bus 24.
[0078]
The tape recording device 30 is mainly composed of an operation unit 31, an input / output interface (I / F) 32, a control unit 33, a decoding unit 5, and a recording unit 6, and each of the components 31 to 33, 5 And 6 are interconnected via a bus 34.
[0079]
The operation unit 21 includes a copy start button (not shown), and monitors the operation of the button.
[0080]
The control unit 22 controls the operation of the entire disc reproducing device 20.
[0081]
The input / output I / F 23 is connected to the input / output I / F 32 on the tape recording device 30 side, and transmits a file read from the optical disc 100 by the reading unit 4 to the input / output I / F 32.
[0082]
The operation unit 31 includes a recording start button (not shown), and monitors operation of the button.
[0083]
The input / output I / F 32 receives a file transmitted from the input / output I / F 23 on the disk reproducing device 20 side.
[0084]
The control unit 33 controls the operation of the entire tape recording device 30.
[0085]
When a file recorded on the optical disc 100 is copied by the information processing apparatus configured as described above, for example, a copy start button provided on the operation unit 21 of the disc reproducing apparatus 20 is pressed, and the reproduction of the optical disc 100 is performed. Starts, and at the same time, when the recording start button provided on the operation unit 31 of the tape recording device 30 is pressed, the start of copying is instructed.
[0086]
Subsequent operations are the same as those of the information processing apparatus of the above-described embodiment, and a description thereof will be omitted.
[0087]
A storage medium storing the program code of software for realizing the functions of the above-described embodiments is supplied to a system or an apparatus, and a computer (or CPU or MPU) of the system or the apparatus is stored in the storage medium. It goes without saying that the object of the present invention is also achieved by reading and executing the program code.
[0088]
In this case, the program code itself read from the storage medium implements the novel function of the present invention, and the storage medium storing the program code constitutes the present invention.
[0089]
Examples of the storage medium for supplying the program code include a flexible disk, a hard disk, a magneto-optical disk, a CD-ROM, a CD-R, a CD-RW, a DVD-ROM, a DVD-RAM, a DVD-RW, a DVD + RW, and a magnetic disk. A tape, a nonvolatile memory card, a ROM, or the like can be used. Further, the program code may be supplied from a server computer via a communication network.
[0090]
When the computer executes the readout program code, not only the functions of each of the above-described embodiments are realized, but also an OS or the like running on the computer is actually executed based on the instructions of the program code. It goes without saying that a case where some or all of the processing is performed and the functions of the above-described embodiments are realized by the processing is also included.
[0091]
Further, after the program code read from the storage medium is written into a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, the function expansion is performed based on the instruction of the program code. It goes without saying that a CPU or the like provided in the board or the function expansion unit performs part or all of the actual processing, and the processing realizes the functions of the above-described embodiments.
[0092]
【The invention's effect】
As described above, according to the present invention, when main information recorded on a certain recording medium is duplicated on a recording medium having a different recording form, the main information is duplicated based on the control information. Therefore, control information is not wasted.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a schematic configuration of an information processing apparatus according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a state in which a plurality of video files and a plurality of playlist files are stored on an optical disc.
FIG. 3 is a diagram for explaining the contents of a playlist file.
FIG. 4 is a diagram for explaining how video signals are stored on a magnetic tape.
FIG. 5 is a block diagram illustrating a schematic configuration of an information processing apparatus according to another embodiment of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 operation unit 2 display unit 3 control unit 4 readout unit 5 decoding unit 6 recording unit 7 disk list memory 8 playlist memory 20 disk playback device 21 operation unit 22 control unit 23 input / output interface 30 tape recording device 31 operation unit 32 input / output Interface 33 Control unit 100 Optical disk 110 Magnetic tape 301, 302 Playlist file 401-405 Video file

Claims (11)

Reading means for reading the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
Storage means for storing the control information read by the reading means,
Writing means for writing the main information read by the reading means on a second recording medium having a recording mode different from that of the first recording medium;
The control unit reads control information from the first recording medium, stores the control information in the storage unit, and, based on the stored control information, reads the main information from the first recording medium based on the stored control information. An information processing apparatus comprising: a control unit that controls reading and writing by the writing unit on the second recording medium. The control means further controls the reading means to read out all the main information stored in the first recording medium, and to control the writing means to write the main information to the second recording medium. The information processing apparatus according to claim 1. Further comprising processing means for processing the main information read by the reading means,
The information processing apparatus according to claim 1, wherein the writing unit writes the main information processed by the processing unit to the second recording medium. The first recording medium is a randomly accessible recording medium,
The information processing apparatus according to claim 1, wherein the second recording medium is a recording medium that cannot be randomly accessed. The main information is video information,
The information processing apparatus according to claim 1, wherein the control information is information indicating an order in which the main information is reproduced. Reading means for reading the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
Storage means for storing the control information read by the reading means,
Output means for outputting the main information read by the reading means to the outside of the device;
The control unit reads control information from the first recording medium, stores the control information in the storage unit, and, based on the stored control information, reads the main information from the first recording medium based on the stored control information. Control means for reading the data and controlling the data to be output to the outside by the output means. An information writing apparatus, comprising: a writing unit that writes main information output from the information processing apparatus according to claim 6 to a second recording medium having a recording mode different from that of the first recording medium. A step of reading out the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
A storage step of storing the control information read by the reading step in storage means;
A writing step of writing the main information read in the reading step to a second recording medium having a recording mode different from that of the first recording medium;
In the reading step, the control information is read from the first recording medium and stored in the storage unit. Based on the stored control information, the main information is read from the first recording medium in the reading step. A control step of reading and writing in the second recording medium by the writing step. A step of reading out the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
A storage step of storing the control information read by the reading step in storage means;
An output step of outputting the main information read by the reading step to outside the device;
In the reading step, the control information is read from the first recording medium and stored in the storage unit. Based on the stored control information, the main information is read from the first recording medium in the reading step. Controlling the information to be read out and output to the outside by the output step. A readout procedure for reading out the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
A storage procedure for storing the control information read by the reading procedure in a storage unit;
A writing procedure of writing the main information read by the reading procedure to a second recording medium having a recording mode different from that of the first recording medium;
The control information is read from the first recording medium by the reading procedure and stored in the storage means. Based on the stored control information, the main information is read from the first recording medium by the reading procedure. A program for causing a computer to execute a control procedure of reading and controlling to write on the second recording medium by the writing procedure. A readout procedure for reading out the stored main information and control information from a first recording medium storing a plurality of main information and control information for controlling each of the main information;
A storage procedure for storing the control information read by the reading procedure in a storage unit;
An output procedure of outputting the main information read by the read procedure to outside the device;
The control information is read from the first recording medium by the reading procedure and stored in the storage means. Based on the stored control information, the main information is read from the first recording medium by the reading procedure. A program for causing a computer to execute a control procedure of reading and controlling to output to the outside by the output procedure.

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