DATA PROCESSING SYSTEM, APPARATUS AND METHOD FOR PROCESSING INFORMATION, RECORDING AND PLAYBACK APPARATUS, AND COMPUTER PROGRAM

• US 20080175565A1
• Filed: 07/09/2007
• Published: 07/24/2008
• Est. Priority Date: 07/14/2006
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Kawachino, Akihiro, Takakura, Hiroki, Uchida, Koichi
• Granted Patent: US 8,953,927 B2
• Time in Patent Office: Days
• US Class Current: 386/124
• CPC Class Codes: G11B 27/034 on discs G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/322 used signal is digitally coded
• CPC Class Codes: H04N 1/21 Intermediate information storage H04N1/387, H04N1/41 take precedence ; for control between transmitter and receiver or between image input and image output device H04N1/32358; indexing, editing G11B27/00
• CPC Class Codes: H04N 19/61 in combination with predictive coding
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/85 on discs or drums

Abstract

A recording/playback apparatus including first and second recorders is connected to an information processing apparatus. The information processing apparatus transfers a first data stream file and a first management file used for managing the first stream file to the recording/playback apparatus. The first recorder records a second stream file and a second management file used for managing the second stream file thereon using a predetermined directory structure. The second recorder records the first stream file and the first management file transferred from the information processing apparatus thereon using the directory structure. After transferring the first stream file and the first management file to the second recorder, the information processing apparatus additionally records or updates the second stream file and the second management file respectively corresponding to the first stream file and the first management file on the first recorder based on the first stream file and the first management file.

Claims

1. A data processing system comprising:

an information processing apparatus including controlling means; and

a recording and playback apparatus connected to the information processing apparatus via communicating means, the recording and playback apparatus including first recording means and second recording means, the controlling means of the information processing apparatus transferring a first data stream file and a first management information file used for managing the first data stream file to the recording and playback apparatus, the first recording means recording a second data stream file and a second management information file used for managing the second data stream file thereon using a predetermined directory structure, the second recording means recording the first data stream file and the first management information file transferred from the information processing apparatus thereon using the predetermined directory structure;

wherein, after the controlling means of the information processing apparatus transfers the first data stream file and the first management information file to the second recording means, the controlling means additionally records or updates the second data stream file and the second management information file that are recorded on the first recording means and that respectively correspond to the first data stream file and the first management information file recorded on the first recording means on the basis of the first data stream file and the first management information file.

2. The data processing system according to claim 1, wherein the predetermined directory structure includes a data stream file folder for storing a data stream file and a management information file folder for storing a management information file, and wherein the controlling means of the information processing apparatus transfers the first data stream file into the data stream file folder located in the second recording means, and wherein the controlling means creates the first management information file using the first data stream file stored in the data stream file folder, and stores the created first management information file in the management information file folder located in the second recording means, and wherein, after the controlling means moves the data stream file stored in the data stream file folder located in the second recording means and the management information file stored in the management information file folder located in the second recording means to the corresponding folders located in the first recording means, the controlling means deletes the recorded information in the second recording means.

3. The data processing system according to claim 2, wherein the predetermined directory structure includes, immediately below a predetermined folder for storing a movie stream, a stream folder for storing each of movie stream files, an attribute information file folder for storing an attribute information file associated with each of the movie stream files, and a playlist folder for storing a playlist file including information associated with an order in which the movie stream files in the stream folder are played back, and at least one management information file including information used for controlling a playback operation of the movie stream files on the basis of the playlist file, and wherein the controlling means of the information processing apparatus transfers each of the movie stream files to be transferred to the stream folder in the second recording means, creates the attribute information file on the basis of a parameter obtained by separating each of the movie stream files in the stream folder in the second recording means and re-integrating the separated movie stream files, stores the created attribute information file in the attribute information file folder in the second recording means, creates a playlist file for the created attribute information file, stores the created playlist file in the playlist folder in the second recording means, creates a management information file in the second recording means, moves the movie stream files, the attribute information files, and the playlist file stored in the second recording means into the corresponding folders in the first recording means, and edits the management information file in the second recording means in order to add the playlist file to the management information file.

4. The data processing system according to claim 1, wherein the controlling means of the information processing apparatus stores predetermined files included in the first management information file in a backup folder provided in the first recording means before additionally recording or updating the second data stream file and the second management information file.

5. The data processing system according to claim 2, wherein the controlling means of the information processing apparatus updates an index file and a movie object file included in the second management information file recorded in the first recording means after additionally recording the second data stream file and the second management information file.

6. The data processing system according to claim 3, wherein the controlling means of the information processing apparatus separates a movie stream file group to be transferred into at least one sub-group each having a size smaller than or equal to a predetermined size, and wherein the controlling means sequentially transfers the movie stream file to the second recording means, generates the attribute information file and the playlist file associated with the movie stream file, and edits the management information file for each of the sub-groups.

7. An information processing apparatus for processing a data stream file, comprising:

internal storage means for storing a first data stream file in a directory structure;

communicating means for connecting a recording and playback apparatus thereto, the recording and playback apparatus recording a second data stream file and a second management information file used for managing the second data stream file in a predetermined directory structure; and

file transfer controlling means for transferring the first data stream file stored in the internal storage means to the recording and playback apparatus connected to the information processing apparatus via the communicating means;

wherein, after the file transfer controlling means performs control so as to record the first data stream file and the first management information file used for managing the first data stream file in the recording and playback apparatus, the file transfer controlling means additionally records or updates the second data stream file and the second management information file that are recorded in the recording and playback apparatus on the basis of the first data stream file and the first management information file recorded in the recording and playback apparatus.

8. The information processing apparatus according to claim 7, wherein the predetermined directory structure includes a data stream file folder for storing a data stream file and a management information file folder for storing a management information file, and wherein the file transfer controlling means creates, in the recording and playback apparatus, a temporary folder in a directory structure that is the same as the predetermined directory structure, transfers the first data stream file stored in the temporary folder into the data stream file folder, and wherein the file transfer controlling means creates the first management information file on the basis of the first data stream file transferred into the recording and playback apparatus, and stores the created first management information file in the management information file folder located in the temporary folder.

9. The information processing apparatus according to claim 8, wherein, after the file transfer controlling means moves the data stream file and the management information file from the temporary folder to the corresponding folders in the predetermined directory structure in the recording and playback apparatus, the file transfer controlling means deletes the temporary folder.

10. The information processing apparatus according to claim 9, wherein, in the recording and playback apparatus, the predetermined directory structure includes, immediately below a predetermined folder for storing a movie stream, a stream folder for storing each of the movie stream files, an attribute information file folder for storing an attribute information file associated with each of the movie stream files, and a playlist folder for storing a playlist file including information associated with an order in which the movie stream files in the stream folder are played back, and at least one management information file including information used for controlling a playback operation of the movie stream files on the basis of the playlist file, and wherein the file transfer controlling means transfers each of the movie stream files stored in the internal recording means to the stream folder in the temporary folder, creates the attribute information file on the basis of a parameter obtained by separating each of the movie stream files in the stream folder below the temporary folder and re-integrating the separated movie stream files, stores the created attribute information file in the attribute information file folder below the temporary folder, creates a playlist file for the created attribute information file, stores the created playlist file in the playlist folder below the temporary folder, creates a management information file below the temporary folder, moves the movie stream files, the attribute information files, and the playlist file stored in the temporary folder into the corresponding folders in the predetermined directory structure, and edits the management information file in the predetermined directory structure in order to add the playlist file to the management information file.

11. The information processing apparatus according to claim 7, wherein the file transfer controlling means stores predetermined files included in the first management information file in a backup folder provided in the recording and playback apparatus before additionally recording or updating the second data stream file and the second management information file.

12. The information processing apparatus according to claim 11, wherein the file transfer controlling means updates an index file and a movie object file included in the second management information file recorded in the recording and playback apparatus after additionally recording the second data stream file and the second management information file.

13. The information processing apparatus according to claim 10, wherein the file transfer controlling means separates a movie stream file group to be transferred and stored in the internal storage means into at least one sub-group each having a size smaller than or equal to a predetermined size, and wherein the file transfer controlling means sequentially transfers the movie stream file to the recording and playback apparatus, generates the attribute information file and the playlist file associated with the movie stream file, and edits the management information file for each of the sub-groups.

14. The information processing apparatus according to claim 8, wherein, when the recording and playback apparatus is connected to the communicating means, the file transfer controlling means deletes the temporary folder remaining in the recording and playback apparatus.

23. A recording and playback apparatus for being connected to the communicating means of the information apparatus according to claim 8, comprising:

detecting means for detecting whether a temporary folder remains in the recording and playback apparatus when the recording and playback apparatus is disconnected from the communicating means; and

deleting means for deleting the temporary folder remaining in the recording and playback apparatus.

15. A method for processing information and for transferring a first data stream file stored in an information processing apparatus to a recording and playback apparatus, the recording and playback apparatus recording a second data stream file and a second management information file used for managing the second data stream file using a predetermined directory structure, the method comprising the steps of:

(a) performing control so as to record the first data stream file and a first management information file used for managing the first data stream file in the recording and playback apparatus; and

(b) performing control so as to additionally record or update the second data stream file and the second management information file that are recorded in the recording and playback apparatus on the basis of the first data stream file and the first management information file recorded in the recording and playback apparatus.

16. The method for processing information according to claim 15, wherein the predetermined directory structure includes a data stream file folder for storing a data stream file and a management information file folder for storing a management information file, and wherein, at step (a), a temporary folder in a directory structure that is the same as the predetermined directory structure is created in the recording and playback apparatus, the first data stream file stored in the temporary folder is transferred into the data stream file folder, the first management information file is created on the basis of the first data stream file transferred into the recording and playback apparatus, and the created first management information file is stored in the management information file folder located in the temporary folder.

17. The method for processing information according to claim 16, wherein, at step (b), after the data stream file and the management information file are moved from the temporary folder to the corresponding folders in the predetermined directory structure, the temporary folder is deleted from the recording and playback apparatus.

18. The method for processing information according to claim 16, wherein, in the recording and playback apparatus, the predetermined directory structure includes, immediately below a predetermined folder for storing a movie stream, a stream folder for storing each of the movie stream files, an attribute information file folder for storing an attribute information file associated with each of the movie stream files, and a playlist folder for storing a playlist file including information associated with an order in which the movie stream files in the stream folder are played back, and at least one management information file including information used for controlling a playback operation of the movie stream files on the basis of the playlist file, and wherein, at step (a), each of the movie stream files is transferred to the stream folder in the temporary folder, the attribute information file is created on the basis of a parameter obtained by separating each of the movie stream files in the temporary folder and re-integrating the separated movie stream files, the created attribute information file is stored in the attribute information file folder below the temporary folder, a playlist file is created for the created attribute information file, and the created playlist file is stored in the playlist folder below the temporary folder, and wherein, at step (b), a management information file is created below the temporary folder, the movie stream files, the attribute information files, and the playlist file stored in the temporary folder are moved into the corresponding folders in the predetermined directory structure, and the management information file in the predetermined directory structure is edited in order to add the playlist file to the management information file.

19. The method for processing information according to claim 15, wherein, at step (b), predetermined files included in the first management information file are stored in a backup folder provided in the recording and playback apparatus before additionally recording or updating the second data stream file and the second management information file.

20. The method for processing information according to claim 19, wherein, at step (b), an index file and a movie object file included in the second management information file recorded in the recording and playback apparatus are updated after the second data stream file and the second management information file are additionally recorded.

21. The method for processing information according to claim 18, wherein a movie stream file group to be transferred is separated into at least one sub-group each having a size smaller than or equal to a predetermined size, and wherein steps (a) and (b) are sequentially performed for each of the sub-groups.

22. The method for processing information according to claim 16, further comprising the step of:

deleting the temporary folder remaining in the recording and playback apparatus when the recording and playback apparatus is connected to the information processing apparatus.

24. A recording and playback apparatus for recording and playing back data, comprising:

communicating means for connecting an information processing apparatus thereto, the information processing apparatus transferring a first data stream file;

first recording means for recording a second data stream file and a second management information file used for managing the second data stream file thereon using a predetermined directory structure;

second recording means for recording the first data stream file and the first management information file transferred from the information processing apparatus thereon using the predetermined directory structure;

record controlling means for performing control so as to record the first data stream file and the first management information file on the second recording means; and

additional recording and updating means for additionally recording or updating the second data stream file and the second management information file that are recorded in the first recording means and that respectively correspond to the first data stream file and the first management information file on the basis of the first data stream file and the first management information file recorded in the second recording means.

25. The recording and playback apparatus according to claim 24, wherein the predetermined directory structure includes a data stream file folder for storing a data stream file and a management information file folder for storing a management information file, and wherein the record controlling means transfers the first data stream file into the data stream file folder located in the second recording means, and wherein the record controlling means creates the first management information file using the first data stream file stored in the data stream file folder, and stores the created first management information file in the management information file folder located in the second recording means, and wherein, after the additional recording and updating means moves the data stream file stored in the data stream file folder located in the second recording means and the management information file stored in the management information file folder located in the second recording means to the corresponding folders located in the first recording means, the additional recording and updating means deletes the recorded information in the second recording means.

26. The recording and playback apparatus according to claim 25, wherein the predetermined directory structure includes, immediately below a predetermined folder for storing a movie stream, a stream folder for storing each of the movie stream files, an attribute information file folder for storing an attribute information file associated with each of the movie stream files, and a playlist folder for storing a playlist file including information associated with an order in which the movie stream files in the stream folder are played back, and at least one management information file including information used for controlling a playback operation of the movie stream files on the basis of the playlist file, and wherein the record controlling means transfers each of the movie stream files to be transferred to the stream folder in the second recording means, creates the attribute information file on the basis of a parameter obtained by separating each of the movie stream files in the stream folder in the second recording means and re-integrating the separated movie stream files, stores the created attribute information file in the attribute information file folder in the second recording means, creates a playlist file for the created attribute information file, stores the created playlist file in the playlist folder in the second recording means, and creates a management information file in the second recording means, and wherein the additional recording and updating means moves the movie stream files, the attribute information files, and the playlist file stored in the second recording means into the corresponding folders in the first recording means, and edits the management information file in the second recording means in order to add the playlist file to the management information file.

27. The recording and playback apparatus according to claim 24, wherein the additional recording and updating means stores predetermined files included in the first management information file in a backup folder provided in the first recording means before additionally recording or updating the second data stream file and the second management information file.

28. The recording and playback apparatus according to claim 27, wherein the additional recording and updating means updates an index file and a movie object file included in the second management information file recorded in the first recording means after additionally recording the second data stream file and the second management information file.

29. The recording and playback apparatus according to claim 26, wherein the record controlling means separates a movie stream file group to be transferred into at least one sub-group each having a size smaller than or equal to a predetermined size, and wherein the record controlling means sequentially transfers the movie stream file to the second recording means, generates the attribute information file and the playlist file associated with the movie stream file, and edits the management information file for each of the sub-groups.

30. A computer-readable program for causing a computer to transfer a first data stream file stored in an information processing apparatus to a recording and playback apparatus, the recording and playback apparatus recording a second data stream file and a second management information file used for managing the second data stream file thereon using a predetermined directory structure, the program comprising the steps of:

performing control so as to record the first data stream file and a first management information file used for managing the first data stream file in the recording and playback apparatus; and

performing control so as to additionally record or update the second data stream file and the second management information file that are recorded in the recording and playback apparatus on the basis of the first data stream file and the first management information file recorded in the recording and playback apparatus.

31. A data processing system comprising:

an information processing apparatus including a control unit; and

a recording and playback apparatus connected to the information processing apparatus via a communicating unit, the recording and playback apparatus including a first recording unit and a second recording unit, the control unit of the information processing apparatus transferring a first data stream file and a first management information file used for managing the first data stream file to the recording and playback apparatus, the first recording unit recording a second data stream file and a second management information file used for managing the second data stream file thereon using a predetermined directory structure, the second recording unit recording the first data stream file and the first management information file transferred from the information processing apparatus thereon using the predetermined directory structure;

wherein, after the control unit of the information processing apparatus transfers the first data stream file and the first management information file to the second recording unit, the control unit additionally records or updates the second data stream file and the second management information file that are recorded on the first recording unit and that respectively correspond to the first data stream file and the first management information file recorded on the first recording unit on the basis of the first data stream file and the first management information file.

32. An information processing apparatus for processing a data stream file, comprising:

an internal storage unit for storing a first data stream file in a directory structure;

a communicating unit for connecting a recording and playback apparatus thereto, the recording and playback apparatus recording a second data stream file and a second management information file used for managing the second data stream file in a predetermined directory structure; and

a file transfer control unit for transferring the first data stream file stored in the internal storage unit to the recording and playback apparatus connected to the information processing apparatus via the communicating unit;

wherein, after the file transfer control unit performs control so as to record the first data stream file and the first management information file used for managing the first data stream file on the recording and playback apparatus, the file transfer control unit additionally records or updates the second data stream file and the second management information file that are recorded in the recording and playback apparatus on the basis of the first data stream file and the first management information file recorded in the recording and playback apparatus.

33. A recording and playback apparatus for recording and playing back data, comprising:

a communicating unit for connecting an information processing apparatus thereto, the information processing apparatus transferring a first data stream file;

a first recording unit for recording a second data stream file and a second management information file used for managing the second data stream file thereon using a predetermined directory structure;

a second recording unit for recording the first data stream file and the first management information file transferred from the information processing apparatus thereon using the predetermined directory structure;

a record control unit for performing control so as to record the first data stream file and the first management information file on the second recording unit; and

an additional recording and updating unit for additionally recording or updating the second data stream file and the second management information file that are recorded in the first recording unit and that respectively correspond to the first data stream file and the first management information file on the basis of the first data stream file and the first management information file recorded in the second recording unit.