WO2013069388A1 - Dispositif de gestion de contenu, programme de commande, support d'enregistrement, procédé de gestion de contenu, dispositif de destination, récepteur de télévision et système de gestion de contenu - Google Patents

Dispositif de gestion de contenu, programme de commande, support d'enregistrement, procédé de gestion de contenu, dispositif de destination, récepteur de télévision et système de gestion de contenu Download PDF

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Publication number
WO2013069388A1
WO2013069388A1 PCT/JP2012/074794 JP2012074794W WO2013069388A1 WO 2013069388 A1 WO2013069388 A1 WO 2013069388A1 JP 2012074794 W JP2012074794 W JP 2012074794W WO 2013069388 A1 WO2013069388 A1 WO 2013069388A1
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WIPO (PCT)
Prior art keywords
content
destination
information
content management
recording
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PCT/JP2012/074794
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English (en)
Japanese (ja)
Inventor
高橋　成樹
土居　克良
靖典 山下
平田　真章
緑 平
経宇 森本
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シャープ株式会社
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Publication of WO2013069388A1 publication Critical patent/WO2013069388A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus

Definitions

  • the present invention relates to a technique for managing content moved to another device.
  • TVs television receivers
  • HDD Hard Disk Drive
  • HDD Digital Living Network Alliance
  • DLNA Digital Living Network Alliance
  • NAS Network Attached Storage
  • DMS Digital Media Server
  • the content is moved to another device, the content is erased from the original HDD. Therefore, there is a problem that the content cannot be reproduced unless the destination is remembered. That is, when playing back the moved content, the user searches for the destination device of the content, connects to it, and searches for the desired content from the content stored in the device. Forced complicated operations.
  • Patent Document 1 describes that when content recorded on a certain HDD recorder is dubbed to another HDD recorder, library information is generated using the object ID of this content.
  • JP 2007-158444 A (published on June 21, 2007)
  • the moved content is managed by the object ID.
  • the object ID cannot directly access the content, the processing necessary for accessing the content is complicated. There's a problem.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a content management apparatus and the like that facilitate access to content moved to another device.
  • a content management apparatus is a content management apparatus that manages content, and the content to be managed is moved from the destination device to the content destination device when the content to be managed is moved to the destination device.
  • the destination designation information acquisition means for acquiring destination designation information for designating the destination of movement and the destination designation information acquired by the destination designation information acquisition means are stored as link information for accessing the content.
  • a link information storage means for storing link information for accessing the content.
  • the content management method of the present invention is a content management method by a content management device that manages content in order to solve the above-described problem, and when the content to be managed is moved to a destination device, the content management method
  • a destination specification information acquisition step for acquiring destination specification information for specifying the destination of the content from the destination device, and the destination specification information acquired in the destination specification information acquisition step for accessing the content.
  • a link information storage step for storing the link information as link information.
  • the destination designation information acquired from the destination device is stored as link information for accessing the content.
  • this destination designation information indicates the destination designated by the destination device. Therefore, according to the configuration described above, the content can be used by directly using the movement destination designation information stored as the link information without performing complicated processing such as specifying the storage destination address of the content from the object ID as in the prior art. There is an effect that it can be easily accessed.
  • the movement destination designation information for acquiring the movement destination designation information for designating the movement destination of the content from the movement destination apparatus.
  • the information acquisition means and link information storage means for storing the movement destination designation information acquired by the movement destination designation information acquisition means as link information for accessing the content.
  • the content management method of the present invention obtains movement destination designation information for designating the movement destination of the content from the movement destination device when moving the managed content to the movement destination device. It includes a destination designation information acquisition step and a link information storage step for storing the destination designation information acquired in the destination designation information acquisition step as link information for accessing the content.
  • FIG. 1, showing an embodiment of the present invention is a block diagram showing a main configuration of a recording / reproducing apparatus. It is a figure which shows an example of the recording list display screen before moving the content which the said recording / reproducing apparatus displays to another apparatus. It is a figure which shows an example of the recording list display screen after moving the content which the said recording / reproducing apparatus displays to another apparatus. It is a figure which shows an example of the information for list display which the said recording / reproducing apparatus uses for the display of a video recording list. It is a figure which shows an example of the link information used in order for the said recording / reproducing apparatus to access the content moved to the other apparatus.
  • the recording / reproducing apparatus of the present embodiment can refer to and reproduce the content recorded in the apparatus in the same manner as when the contents were recorded in the apparatus even after being moved to another device. This will be described with reference to FIGS.
  • FIG. 2 shows an example of a recording list display screen before moving content to another device
  • FIG. 3 shows an example of a recording list display screen after moving the content.
  • a recording list that is a list of recorded contents and a function menu indicating processing that can be performed on the content selected from the list are displayed.
  • the recording list displays the title of the recorded content, the letters “NEW” indicating that the recording has not been played back, the date and time when the recording was performed, the recording time, the recording mode, and the remaining number of dubbing operations. .
  • the content selected from the recording list is dubbed to another device by an operation from the function menu, and after dubbing, the content is deleted from the own device, that is, the other device of the content Can be moved.
  • the destination is a recording device (for example, NAS) having a content server function.
  • the 4th and 8th contents of the recording list in FIG. 2 are moved. Then, when the recording list is displayed thereafter, a screen as shown in FIG. 3 is displayed. In the example of FIG. 3, the title of the moved content is displayed in the same manner as before the movement. For these contents, instead of the recording mode and the remaining number of dubbing times, the characters “network” indicating that the contents have been moved to the network device are displayed. These contents can also be reproduced by selecting from the function menu in the same manner as other contents.
  • the recording / reproducing apparatus of the present embodiment is mainly characterized in a content management method for realizing this.
  • the display mode of the recording list after moving the content is not limited to the example in FIG. 3.
  • the moved content may be displayed in a list different from the content recorded in the apparatus. Further, when the moved content is searched, only the moved content may be extracted from the reproduction target content and displayed in a list.
  • FIG. 1 is a block diagram showing a main configuration of a recording / playback apparatus (content management apparatus) 1.
  • destination devices 2 and 3 which are destinations of contents recorded in the recording / reproducing apparatus 1 are also illustrated.
  • a display device 4 that displays video from the recording / reproducing apparatus 1 and outputs sound, and a remote controller 5 that operates the recording / reproducing apparatus 1 are also illustrated.
  • the recording / reproducing apparatus 1 is an apparatus having a function of recording broadcast content and reproducing the recorded content. As shown in the figure, the recording / reproducing apparatus 1 includes a broadcast receiving unit 10, a video / audio decoder 11, a video / audio output unit 12, a content recording unit 13, an input unit 14, a control unit 15, a network connection unit 16, and a storage unit. 17 is provided.
  • Broadcast receiver 10 is connected to an antenna, receives a broadcast wave received by the antenna, demodulates it, and outputs it to video / audio decoder 11.
  • the video / audio decoder 11 decodes the data received from the broadcast receiving unit 10 to generate video data and audio data, and transmits them to the video / audio output unit 12.
  • the video / audio output unit 12 transmits the data received from the video / audio decoder 11 to an external device (in this case, the display device 4) having a video / audio output function, displays the video, and outputs the audio. .
  • the content recording unit 13 is a recording device that records content. Specifically, video data and audio data generated by decoding by the video / audio decoder 11 are recorded as contents. Of course, the content is not limited to the content generated by decoding by the video / audio decoder 11, but content stored in another device or recording medium or content distributed via a communication line can also be recorded.
  • the content recording unit 13 can be configured by an HDD, for example.
  • the input unit 14 receives a user input operation and transmits a control signal corresponding to the received input operation to the control unit 15. Specifically, the input unit 14 receives a signal transmitted from the remote controller 5 as illustrated, generates a control signal corresponding to the received signal, and transmits the control signal to the control unit 15.
  • the control unit 15 controls the functions of the recording / reproducing apparatus 1 in an integrated manner, and includes a content reproduction unit 20, a dubbing processing unit 21, a content management unit (content management unit, access unit, address acquisition unit, selection information acquisition). Means) 22, a dubbing information management unit (destination designation information acquisition unit) 23, and a link information management unit (link information storage unit) 24.
  • the content playback unit 20 plays back the content managed by the content management unit 22. Specifically, the content recorded in the content recording unit 13 and the content moved from the content recording unit 13 to other devices (for example, the destination devices 2 and 3) are reproduced, and the video and audio are reproduced as video / audio. Transmit to the audio output unit 12. As a result, the video and audio of the content are output from the display device 4.
  • the dubbing processing unit 21 starts dubbing content according to the user operation received by the input unit 14. Further, when dubbing ends normally, a message to that effect is displayed, and when dubbing ends, a message to that effect is displayed. Note that dubbing refers to copying or moving content.
  • the content management unit 22 is for managing content. Specifically, using the content management information 30 and the list display information 31 in the storage unit 17, the content recorded in the content recording unit 13 and other devices (for example, the destination device 2, the content recording unit 13). Manage the content moved to 3).
  • the dubbing information management unit 23 performs a process of dubbing content from the content recording unit 13 to other devices (for example, the destination devices 2 and 3) when the dubbing processing unit 21 notifies the start of dubbing. The processing performed by the dubbing information management unit 23 will be described in detail later.
  • the link information management unit 24 generates and manages link information 32 for accessing the content moved from the content recording unit 13 to other devices (for example, the destination devices 2 and 3). Details of the link information 32 will be described later.
  • the network connection unit 16 is for connecting to a network and communicating with other devices (for example, the movement destination devices 2 and 3).
  • the recording / reproducing apparatus 1 is a DLNA-compatible device and is connected to a home LAN via the network connection unit 16, and the network connection unit 16 performs communication processing in conformity with the DLNA standard.
  • the network connection unit 16 is not limited to this as long as it can withstand transmission and reception with other devices of the recorded content.
  • the network connection unit 16 may be connected to the network by wire or may be connected wirelessly.
  • the storage unit 17 stores data used by the control unit 15, and the storage unit 17 stores content management information 30, list display information 31, and link information 32.
  • the content management information 30 is information for managing content. Specifically, the content management information 30 describes attribute information such as the content ID and file name of each content recorded in the content recording unit 13. These pieces of attribute information are updated by the content management unit 22 when the content attributes change.
  • the management information of the content erased from the recording unit by moving the content to another device is also erased.
  • the content management information 30 is maintained for the content deleted from the content recording unit 13 by being moved to another device.
  • the list display information 31 is information for displaying a recording list.
  • the content management unit 22 displays the recording list as shown in FIGS. 2 and 3 by referring to the list display information 31.
  • the list display information 31 may be data as shown in FIG. 4, for example.
  • FIG. 4 is a diagram illustrating an example of the list display information 31.
  • the list display information 31 shown in the figure is an ID uniquely assigned to each content in order to manage the content, the title of the content, the number of times of dubbing, the recording date and time, and whether or not the content has been moved to another device. Is associated with a network movement flag (link access information).
  • information necessary for displaying the recording list as shown in FIGS. 2 and 3 (information indicating whether or not the recording has been viewed after recording, information indicating the recording mode, etc.) Is included, but the illustration is omitted.
  • the content management unit 22 displays a recording list as shown in FIGS. 2 and 3 based on these pieces of information.
  • the storage location of the content in the content recording unit 13 is specified from the ID of the selected content, and the content playing unit 20 plays the content accordingly. .
  • the list display information 31 is a feature that does not include a network migration flag.
  • the content management unit 22 manages the network movement flag as 0 for the content recorded in the content recording unit 13 and 1 as the content moved to another device. Then, when displaying the recording list, the list display information 31 is referred to, and the content whose network movement flag is 1 is the content moved to another device as in the example of FIG. indicate. Further, as will be described in detail later, when content having a network movement flag of 1 is selected from the recording list, the selected content is accessed using the link information 32. That is, the network movement flag having a value of 1 is information indicating that the content can be accessed with the link information 32. The network movement flag only needs to be able to be referred to when displaying the recording list, and may be managed as data separate from the list display information 31.
  • the link information 32 is information for accessing content moved to another device, and is generated by the link information management unit 24 and updated as necessary.
  • the link information 32 is one of the features that has not been included in the past in that it includes movement destination designation information designated from the movement destination device when moving the content to another device.
  • the link information 32 may be data as shown in FIG. 5, for example.
  • FIG. 5 is a diagram illustrating an example of the link information 32.
  • the link information 32 shown in the figure is information in which an ID uniquely assigned to each content, a destination designation information, a MAC address of the destination device, and a name of the destination device are associated with each other in order to manage the content. is there.
  • the move destination designation information is in the form of URI (Uniform Resource Indicator) as shown in the figure. Therefore, the content can be accessed as long as the destination designation information is present. That is, when a content moved from the recording list to another device is selected, the ID of the content is specified from the list display information 31, and the link information 32 is searched with this ID. The content can be accessed by using the destination designation information associated with the detected ID.
  • URI Uniform Resource Indicator
  • This destination designation information is received from the destination device when the content is moved, and is specifically ImportURI.
  • the link information 32 can be generated with a simple process, and the content using the link information 32 can be accessed very smoothly. There is an advantage that can be.
  • the link information 32 in FIG. 5 includes a MAC address and a device name as identification information for identifying a destination device.
  • FIG. 6 is a block diagram showing a main part configuration of the destination apparatus 2
  • FIG. 7 is a block diagram showing a main part configuration of the destination apparatus 3.
  • the destination device 2 is one of the content dubbing destinations of the recording / reproducing device 1 as described above. As illustrated in FIG. 6, the movement destination device 2 includes a network connection unit 40, a storage unit 41, a control unit 42, and a content recording unit 43.
  • the network connection unit 40 is for connecting to a network and communicating with other devices. Since communication with the recording / reproducing apparatus 1 is performed by the network connection unit 40, the network connection unit 40 can communicate with the network connection unit 16 and upload and download contents.
  • the storage unit 41 stores data used by the control unit 42.
  • content management information 60 is stored in the storage unit 41.
  • the content management information 60 is information for the content management unit 51 to manage the content stored in the content recording unit 43, and the content is the same as the content management information 30.
  • the control unit 42 controls the functions of the destination apparatus 2 in an integrated manner, and includes an information management unit 50 and a content management unit 51.
  • the information management unit 50 controls transmission / reception of content in the movement destination apparatus 2. Specifically, it controls the recording of the content transmitted from the recording / reproducing apparatus 1 to the content recording unit 43, the transmission of the content recorded in the content recording unit 43 to the recording / reproducing apparatus 1, and the like. Details of processing performed by the information management unit 50 will be described later.
  • the content management unit 51 manages the content stored in the content recording unit 43 using the content management information 60. Specifically, the content stored in the content recording unit 43 is searched according to the instruction of the information management unit 50. Further, when content is newly recorded in the content recording unit 43 or when content is deleted from the content recording unit 43, the content management information 60 is updated accordingly.
  • the content management unit 51 manages the storage destination of the content with the movement destination designation information, that is, ImportURI. That is, when a content recording instruction is received from another device and this instruction is accepted, the information management unit 50 transmits the ImportURI to the other device and records the content in the storage location specified by the ImportURI. Then, access to the content after recording is performed using the storage location information (ContentURI) exactly the same as ImportURI.
  • the content recording unit 43 is a recording device that records content.
  • the recording / playback apparatus 1 performs dubbing on the destination apparatus 2, the dubbed content is recorded in the content recording unit 43.
  • the content management information 60 is information for managing content stored in the content recording unit 43 as described above.
  • attribute information such as content ID and file name of the content is described.
  • the movement destination apparatus 3 is one of the content dubbing destinations of the recording / playback apparatus 1.
  • the movement destination device 2 has the same movement destination designation information (ImportURI) and storage destination information (ContentURI) of the stored content, but the movement destination device 3 does not move the movement destination designation information (ImportURI) of the stored content.
  • storage location information (ContentURI) are different. That is, the destination device 2 manages content with the same storage destination information (ContentURI) as the destination designation information (ImportURI) transmitted to the recording / reproducing device 1, but the destination device 3 uses different storage destination information (ContentURI). Manage.
  • the control unit 42 includes a storage destination information conversion unit (corresponding information storage unit, storage destination information specifying unit) 52, and content management information 60 is stored in the storage unit 41.
  • the content management information 61 is stored instead of, and the configuration is the same as that of the destination device 2 except that the destination / storage destination correspondence information (correspondence information) 62 is stored. Therefore, these differences will be described here.
  • the storage location information conversion unit 52 stores the destination designation information transmitted to the recording source device (for example, the recording / playback apparatus 1) and the storage location of the recorded content in the content recording unit 43 when recording the content.
  • the destination / storage destination correspondence information 62 is generated and stored in the storage unit 41.
  • the movement destination designation information is converted into the storage destination information using the movement destination / storage destination correspondence information 62.
  • the generation of the movement destination / storage destination correspondence information 62 and the conversion to the storage destination information using the information may be performed in separate blocks.
  • the storage location information is not particularly limited as long as it indicates the storage location of the content in the destination device 3, but here the storage location information is ContentURI.
  • the content management information 61 is different from the content management information 60 in that the content is managed by storage location information. Further, the movement destination / storage destination correspondence information 62 is information in which movement destination designation information and storage destination information are associated as described above.
  • FIG. 8 is a flowchart showing an example of the movement process executed by the recording / reproducing apparatus 1.
  • the moving process is performed when, for example, a moving target content is selected from the recording list by a user operation using the remote controller 5 of FIG. 1, the moving destination is specified, and moving is confirmed.
  • the dubbing processing unit 21 When receiving a control signal indicating that it is determined that the content is to be moved by a user operation from the input unit 14, the dubbing processing unit 21 instructs the dubbing information management unit 23 to start dubbing the content.
  • the description will be made assuming that the destination device 2 is selected as the destination, but the process is the same even if the destination is the destination device 3.
  • the dubbing information management unit 23 Upon receiving this instruction, the dubbing information management unit 23 starts communication via the network connection unit 16 with the destination device 2 that is the designated destination. Then, after confirming that the destination device 2 can accept the dubbing, the destination device 2 is requested to secure the destination (S1). Also, the device name and MAC address of the destination device 2 are acquired.
  • the movement destination device 2 that has received the request secures a movement destination in the content recording unit 43 and transmits movement destination designation information indicating the secured movement destination to the recording / reproducing apparatus 1. Then, the dubbing information management unit 23 receives this destination designation information via the network connection unit 16 (S2, destination designation information acquisition step).
  • the dubbing information management unit 23 that has received the movement destination designation information transmits the received movement destination designation information, the device name of the movement destination device 2, and the MAC address to the link information management unit 24. Then, the link information management unit 24 stores these pieces of information in the storage unit 17 (S3).
  • the dubbing information management unit 23 transmits content to the destination device 2 (S4). Specifically, the dubbing information management unit 23 transmits information (for example, ID) for designating the content to be moved to the content management unit 22 to identify the content in the content recording unit 13. Then, the identified content is transmitted to the destination device 2 via the network connection unit 16.
  • ID information for example, ID
  • the dubbing information management unit 23 determines whether or not the dubbing is successful (S5). Specifically, when the notification indicating that the dubbing is successful is received from the movement destination apparatus 2, it is determined that the dubbing is successful. Further, when the notification that the dubbing has failed is received or the notification that the dubbing has succeeded is not received within a predetermined period, it is determined that the dubbing has failed.
  • the dubbing information management unit 23 If it is determined that dubbing has failed (NO in S5), the dubbing information management unit 23 notifies the link information management unit 24 and the dubbing processing unit 21 that dubbing has failed. Upon receiving this notification, the link information management unit 24 discards the movement destination designation information, the apparatus name of the movement destination apparatus 2, and the MAC address stored in S3. Further, the dubbing processing unit 21 displays on the display device 4 that the dubbing has failed, and the movement processing is thereby terminated.
  • the dubbing information management unit 23 notifies the link information management unit 24, the content management unit 22, and the dubbing processing unit 21 that the dubbing is successful.
  • the link information management unit 24 Upon receiving this notification, the link information management unit 24 stores the movement destination designation information, the device name of the movement destination device 2 and the MAC address stored in S3 in the storage unit 17 as link information 32. That is, the link information management unit 24 generates link information 32 to the dubbed content (S7, link information storage step).
  • the content management unit 22 erases the substance data of the content dubbed from the content recording unit 13 (S8). Further, the content management unit 22 updates the network movement flag (see FIG. 4) of the list display information 31 to 1 for the content. Then, the dubbing processing unit 21 displays on the display device 4 that the dubbing has been successful, and the movement process ends.
  • FIG. 9 is a diagram showing communication between the recording / reproducing apparatus 1 and the destination apparatus 2 during dubbing.
  • the recording / reproducing apparatus 1 first transmits “HTTP GET” to the movement destination apparatus 2 to acquire the device information and service information of the movement destination apparatus 2.
  • This device information includes the IP address and device name of the destination device 2.
  • the service information includes information indicating whether or not uploading of moving image content is supported.
  • the recording / reproducing apparatus 1 transmits “CreateObject Request” for securing the upload destination.
  • This “CreateObject Request” may be as shown in FIG. 10, for example.
  • FIG. 10 is a diagram illustrating an example of “CreateObject Request”.
  • “CreateObject Request” in FIG. 10 includes a description “DLNA.ORG_AnyContainer” that specifies an arbitrary destination. Although omitted in the figure, a description indicating attribute information of the content to be uploaded is also included.
  • the destination device 2 receives “CreateObject ⁇ Request” including this description, the destination device 2 secures the upload destination of the content.
  • the migration destination apparatus 2 returns “CreateObject Response” as shown in FIG. 11 including ImportURI as the migration destination designation information for designating the secured upload destination.
  • FIG. 11 is a diagram illustrating an example of “CreateObject Response”.
  • “CreateObject11Response” in FIG. 11 describes the object ID set by the destination device 2 for the uploaded content. Also, ImportURI that specifies the upload destination of the content is described. In addition, although not shown, a description indicating attribute information of the content that has been accepted for uploading is also included.
  • the recording / reproducing apparatus 1 performs predetermined communication as shown in FIG. 9 based on these descriptions of “CreateObject Response” received from the movement destination apparatus 2, transmits the content to the movement destination apparatus 2, and indicates ImportURI. Store in the storage location.
  • FIG. 12 is a flowchart showing an example of a reproduction process executed by the recording / reproducing apparatus 1.
  • the processing after the user gives an instruction to display the recording list by the operation of the remote controller 5 in FIG. 1 will be described.
  • the content management unit 22 that has received the control signal indicating that the display of the recording list has been instructed from the input unit 14 reads the list display information 31 from the storage unit 17. Based on this information, a content list (recording list) including virtual content is displayed on the display device 4 (S10).
  • the virtual content is content in which the content entity is deleted from the content recording unit 13 by being moved to an external device.
  • the content management unit 22 that has received the selection of the virtual content specifies from the value of the network movement flag of the list display information 31 that the selected content is virtual content. Then, the destination designation information corresponding to this content is read from the link information 32, and a content request including the destination designation information is sent to the destination designated by the read destination designation information via the network connection unit 16. Transmit (S12).
  • the content management unit 22 determines whether content exists based on this (S13).
  • the content management unit 22 determines that the content exists upon receipt of the content (S13). YES). Then, this content is provided from the network connection unit 16 to the content reproduction unit 20, thereby reproducing the content received by the content reproduction unit 20 (S14). Thereafter, the playback process ends when the playback of the content ends.
  • the content management unit 22 determines that there is no content if the content is not received after a predetermined time has elapsed after the transmission of the content request (NO in S13).
  • the destination device even when the destination designation information is received by the destination device, when this content is managed with a different URI from the destination designation information transmitted to the recording / reproducing apparatus 1 during dubbing. In this destination designation information, no content is detected. In this case, the destination device returns an error notification indicating that no content has been detected. For this reason, even when an error notification is received, it is determined that there is no content (NO in S13).
  • the content management unit 22 searches for the device having the MAC address associated with the movement destination designation information in the link information 32. Note that the devices to be searched are all devices connected via the network connection unit 16.
  • the content management unit 22 communicates with the detected destination device 2, acquires the IP address of the device (S16), and confirms the absence of the acquired IP address and content.
  • the destination designation information thus transmitted is transmitted to the link information management unit 24.
  • the link information management unit 24 updates the link information 32 with the received IP address (S17). Specifically, the link information management unit 24 updates the received IP address by replacing the part corresponding to the address on the network of the destination designation information. For example, in the case of ImportURI included in “CreateObject Response” in FIG. 11, the part “192.168.1.11” is replaced with the received IP address.
  • this update makes it possible to access the content.
  • the link information management unit 24 When the update of the link information 32 is completed, the link information management unit 24 notifies the content management unit 22 to that effect, so that the content management unit 22 receives this notification and uses the updated link information 32 to request the content again. (S18). Similarly to S13, the presence / absence of the content is confirmed (S19). If the content exists (YES in S19), the content is received and reproduced (S14), and the process is terminated.
  • the content management unit 22 detects the movement detected in the search in S155.
  • the top folder of the destination device 2 is displayed on the display device 4 (S20). Then, the user waits for content selection by the user from the displayed folder and the folders below it (S21).
  • the content management unit 22 displays the top folder by inquiring the destination device 2 about the address of the top folder and accessing the address received as a response to the inquiry. Note that the content management unit 22 only needs to present each content stored in the destination device 2 to the user and acquire information for the user to select the content, and is not limited to this example. For example, transmission of a list of contents stored in the destination device 2 may be requested, and this may be acquired and displayed.
  • the destination device 2 when the content is selected (YES in S21), the destination device 2 is requested to transmit the selected content, the received content is reproduced (S14), and the process is terminated. On the other hand, if no content is selected (NO in S21), the reproduction ends without error.
  • FIG. 13 is a flowchart illustrating an example of the content transmission process executed by the movement destination apparatus 2.
  • the information management unit 50 transmits the destination designation information included in the received content request to the content management unit 51. Then, the content management unit 51 searches the content management information 60 for content using this destination designation information (S31).
  • the information management unit 50 determines the presence or absence of the requested content based on this notification ( S32).
  • the content detected by the search in S31 is read from the content recording unit 43 and transmitted to the recording / playback apparatus 1 via the network connection unit 40 (S33). Then, the content transmission process is terminated.
  • FIG. 14 is a flowchart illustrating an example of a content transmission process executed by the movement destination apparatus 3.
  • the content management information 61 of the destination device 3 the content is managed with storage destination information (ContentURI) different from the destination designation information (ImportURI). For this reason, the content transmission processing performed by the destination device 3 is different from the content transmission processing performed by the destination device 2 in that it includes processing for converting the destination designation information into storage destination information.
  • ContentURI storage destination information
  • ImportURI destination designation information
  • the information management unit 50 When the information management unit 50 receives the content request including the destination designation information (S40), the information management unit 50 transmits the destination designation information included in the received content request to the content management unit 51. Then, the content management unit 51 confirms that no content is detected in the received destination designation information, and transmits this destination designation information to the storage destination information conversion unit 52.
  • the storage destination information conversion unit 52 that has received the movement destination designation information refers to the movement destination / storage destination correspondence information 62 stored in the storage unit 41 and stores the storage destination associated with the received movement destination designation information. Information is specified (S41), and this is transmitted to the content management unit 51.
  • the content management unit 51 that has received the storage location information refers to the content management information 61 to search whether the content corresponding to the storage location information is stored in the content recording unit 43 (S42), and manages the confirmation result as information management. Notify unit 50.
  • the information management unit 50 determines whether the requested content exists based on this notification (S43). If it is determined that the content exists (YES in S43), the content detected by the search in S42 is read from the content recording unit 43 and transmitted to the recording / reproducing apparatus 1 via the network connection unit 40 (S44). The content transmission process ends.
  • a content management system according to the present embodiment (here, the entire system including each device of the present embodiment is referred to as a “content management system”) will be described with reference to FIGS.
  • the content management system according to the present embodiment has functions (1) to (4) described below in addition to the functions described in the above embodiment.
  • the functions (1) to (4) will be sequentially described.
  • the recording / reproducing apparatus 1, the movement destination apparatus 2, and the movement destination apparatus 3 described and illustrated in the following further include functional blocks for functions (1) to (4). That is, the recording / reproducing apparatus 1 has each functional block described and illustrated below in addition to the functional blocks shown in FIG. Similarly, the destination device 2 has the functional blocks described and illustrated below in addition to the functional blocks shown in FIG. 6, and the destination device 3 has the functional blocks shown in FIG. This means that each functional block described and illustrated below is included. Of the functional blocks described below, the same functional blocks as those described so far are given the same reference numerals as those described above, and the description thereof is omitted.
  • the destination device 2 can change the content name of the content stored in the destination device 2 regardless of an instruction from the recording / reproducing device 1.
  • the destination device 2 may change the content name itself, or may change the content name according to an instruction from another device such as a portable viewing terminal.
  • the recording / reproducing apparatus 1 can reflect the change of the content name in the destination apparatus 2 in the content list (content management information 30) of the recording / reproducing apparatus 1. That is, the recording / reproducing apparatus 1 can change the content name included in the content list (that is, the content name before the change) to the content name after the change.
  • FIG. 15 is a block diagram showing the main configuration of the recording / reproducing apparatus 1 and the destination apparatus 2 according to the present embodiment. Note that the recording / reproducing apparatus 1 and the movement destination apparatus 2 in FIG. 15 have the same configurations as those in FIGS. 1 and 6, respectively. However, blocks other than the functional blocks added for realizing the function (1) are described. The description is omitted as appropriate.
  • the movement destination apparatus 2 includes a content name change unit 101 and a content name change notification unit 102.
  • the content name change unit 101 and the content name change notification unit 102 are included in the control unit 42 (see FIG. 6).
  • the content name changing unit 101 changes the content name of the content stored in the destination device 2. For example, the change of the content name is instructed by the user of the movement destination apparatus 2. In addition, the change of the content name may be instructed from another device such as a portable viewing terminal.
  • the content name here corresponds to the title of the content, for example.
  • the content name of the content stored in the destination device 2 is shown in the content management information 60 (see FIG. 6) stored in the storage unit 41.
  • the content name changing unit 101 changes the content name indicated in the content management information 60.
  • the content name change notification unit 102 When the content name change unit 101 changes the content name, the content name change notification unit 102 notifies the recording / playback apparatus 1 of the change. Specifically, the content name change notification unit 102 transmits information indicating the change content to the recording / reproducing apparatus 1 via the network connection unit 40.
  • the information indicating the change content may be transmitted in any data format, for example, in accordance with the DLNA protocol.
  • the recording / reproducing apparatus 1 includes a content name change notification unit 103 and a content name change reflection unit 104.
  • the content name change notification unit 103 and the content name change reflection unit 104 are included in the control unit 15 (see FIG. 1).
  • the content name change notification unit 103 When the content name of the content is changed in the destination device 2, the content name change notification unit 103 notifies the user that the change has occurred.
  • the content name change reflection unit 104 reflects the changed content in the content list (content management information 30) of the recording / playback device 1. That is, the content name change reflection unit 104 changes the content name before change included in the content list of the recording / playback apparatus 1 to the content name after change.
  • the content name included in the content list of the recording / playback apparatus 1 is shown in the list display information 31 (see FIGS. 1 and 4) stored in the storage unit 17.
  • the content name change reflection unit 104 changes the content name before the change shown in the list display information 31 to the content name after the change.
  • the content name change notification unit 103 and the content name change reflection unit 104 receive the information indicating the change contents from the destination device 2 via the network connection unit 16, and the change has occurred and the change You can know the contents.
  • FIG. 16 is a flowchart showing an example of content name change processing by the content management system according to the present embodiment.
  • the content name changing unit 101 of the destination device 2 changes the content name of the content stored in the destination device 2 (S51).
  • the content name change notification unit 102 notifies the recording / playback apparatus 1 of the change in S51 (S52).
  • the recording / reproducing apparatus 1 when a content list display instruction from the user is input from, for example, the input unit 14 (see FIG. 1) (S53), for example, the control unit 15 (see FIG. 1) accordingly. Under the control, the content list of the recording / playback apparatus 1 is displayed on the display device 4 (see FIG. 1) (S54).
  • the content name change notification unit 103 notifies the user of the change in S51 simultaneously with the display of the content list (S55).
  • the content name change reflection unit 104 determines whether to reflect the change in S51 in the content list of the recording / playback apparatus 1 (S56). For example, the content name change reflection unit 104 performs a display as shown in FIG. 17C and determines whether or not to reflect the change in the content list by inquiring the user. Note that FIG. 17 will be described in detail later.
  • the content name change reflection unit 104 reflects the change in S51 in the content list of the recording / playback apparatus 1 (S57). Then, for example, under the control of the control unit 15, the content list after the reflection in S57 is displayed on the display device 4 (S58).
  • FIG. 17 is a diagram showing an example of changing the content list by the content name changing process shown in FIG.
  • FIG. 17A shows an example of the content list before the change of the content name is reflected.
  • FIG. 17B shows an example of a content name change notification.
  • FIG. 17C shows an example of a screen for inquiring the user whether to reflect the change of the content name in the content list.
  • FIG. 17D shows an example of the content list after the change of the content name is reflected.
  • the content name of the content is changed to “ ⁇ cooking” in the destination apparatus 2.
  • “RENAME” indicating that the content name has been changed is indicated in the row where the attribute information of the content is indicated.
  • the recording / playback apparatus 1 only notifies the user that the content name has been changed, but may also notify the user of the changed content.
  • the recording / reproducing apparatus 1 displays an inquiry screen as to whether or not to reflect the change of the content name in the content list at a predetermined timing.
  • the inquiry screen is displayed at the timing when the cursor is focused on the corresponding line of the content list.
  • the inquiry screen includes a message “Can I rename to ⁇ cooking?”, A “Yes” button, and a “No” button.
  • the recording / reproducing apparatus 1 determines that “the change of the content name is reflected in the content list”. As a result, the content name of the corresponding line in the content list is changed to “ ⁇ cooking” as shown in FIG.
  • the recording / reproducing apparatus 1 determines that “the change of the content name is not reflected in the content list”. In this case, the content name of the corresponding line in the content list remains “XX cooking” as shown in FIG.
  • the content management system includes a content management device (recording / playback device 1) that manages content, a destination device (destination device 2) that is a destination of management-target content, including.
  • the destination device includes a content name changing unit (content name changing unit 101) for changing the content name of the content received from the content management device, and a content name for notifying the content management device of the change of the content name.
  • Change notification means content name change notification unit 102
  • the content management device reflects the change of the content name in the content name described in the link information for accessing the content.
  • Content name change reflection means (content name change reflection unit 104) is provided.
  • the content management system allows the content of the content managed by the content management device even when the content name of the content moved to the destination device is changed.
  • the name and the content name of the content managed in the destination device can be easily synchronized.
  • the content management system according to the present embodiment is useful when applied to a system capable of handling a single content by a plurality of devices (for example, a system in which DLNA devices as described in the present embodiment are connected to each other). It is.
  • the recording / reproducing apparatus 1 of the present embodiment employs a configuration in which information indicating content dubbing history (hereinafter referred to as “dubbing history information”) is stored. Although details will be described later, by referring to the dubbing history information, the recording / reproducing apparatus 1 can restore the content deleted from the content list to the content list.
  • dubbing history information information indicating content dubbing history
  • FIG. 18 is a block diagram showing a main configuration of the recording / reproducing apparatus 1 according to the present embodiment. Although the recording / reproducing apparatus 1 in FIG. 18 has the same configuration as that in FIG. 1, the description of blocks other than the functional blocks added for realizing the function (2) is omitted as appropriate.
  • the recording / reproducing apparatus 1 further includes a dubbing history information storage unit 121 and a content list restoration unit 122.
  • the dubbing history information storage unit 121 and the content list restoration unit 122 are included in the control unit 15 (see FIG. 1).
  • the dubbing history information storage unit 121 stores dubbing history information indicating the content dubbing history of the recording / playback apparatus 1.
  • the dubbing history information is information in which at least the content identification information is associated with the link destination address (that is, the movement destination designation information) acquired from the dubbing destination (that is, the movement destination), and every time dubbing is performed. A set of these information is added.
  • the dubbing history information may be stored in the storage unit 17, for example.
  • the dubbing history information may include information indicating whether or not the content can be acquired from the link destination indicated by the link destination address. For example, after dubbing content to the destination device 2, when the destination device 2 is notified that the content has been moved to the destination device 3, the link destination address of the destination device 2 is changed to the link destination address. May be stored in association with information indicating that the content cannot be acquired from.
  • the content list restoration unit 122 restores the content deleted from the content list to the content list based on the dubbing history information stored in the dubbing history information storage unit 121.
  • FIG. 19 is a flowchart showing an example of content list restoration processing by the recording / reproducing apparatus 1 according to the present embodiment.
  • the dubbing history information storage unit 121 determines whether or not content has been dubbed (S81).
  • the dubbing history information storage unit 121 stores the dubbing history information related to the dubbing (S82). Then, the recording / reproducing apparatus 1 returns the process to S81.
  • the content list restoration unit 122 determines whether restoration of content to the content list is requested (S83). Note that the process of S83 is performed, for example, when an input operation for restoring the content deleted from the content list is detected. Then, when this input operation is detected, a selection screen for selecting whether to restore the content deleted from the content list is displayed, and even if the determination of S83 is performed based on the user's input operation on this selection screen Good.
  • the recording / reproducing apparatus 1 advances the process to S84.
  • the recording / reproducing apparatus 1 specifies the content to be restored.
  • the above-mentioned specification may be performed by displaying a list of contents described in the dubbing history information and allowing the user to select a content to be restored. If the number of contents described in the dubbing history information is large, only the contents narrowed down under the conditions specified by the user may be displayed. Further, when content is deleted from the content list, identification information of the deleted content may be stored, and only the deleted content may be displayed as a restoration target. Furthermore, only content associated with valid link destination addresses (addresses where content can be acquired by accessing) may be displayed as a restoration target.
  • a screen for selecting whether or not the selected content can be restored to the content list may be displayed. Then, when it is selected to perform restoration on this selection screen, it may be determined that “content restoration is requested”.
  • the content list restoring unit 122 determines whether or not the content requested to be restored to the content list can be restored to the content list (S84). For example, the content list restoration unit 122 stores the dubbing history information related to the requested content, and if the dubbing history information includes a link destination address that can be restored to the content list, the “content list” It is determined that it can be restored. Note that in S83, when only content associated with valid link destination addresses in the dubbing history information is to be restored, the processing in S84 is omitted.
  • the content list restoration unit 122 restores the requested content to the content list (S85). Specifically, the link destination address included in the dubbing history information and the content identification information are recorded in the content management information 30 in association with each other. Then, the recording / reproducing apparatus 1 returns the process to S81.
  • the content list restoration unit 122 sends a message to the user that the requested content cannot be restored to the content list. Notification is made (S86). Then, the recording / reproducing apparatus 1 returns the process to S81.
  • the recording / reproducing apparatus 1 causes the dubbing history information storage unit 121 to store the dubbing history information regarding the content every time the content is dubbed. Thereby, it is possible to restore the content deleted from the content list.
  • FIG. 20 shows an example of dubbing history information stored by the dubbing history information storage unit 121.
  • FIG. 20 shows the dubbing history information related to the content whose title is set to “XX cooking” among the dubbing history information stored in the dubbing history information storage unit 121.
  • the dubbing history information is associated with a plurality of link destination addresses acquired from the dubbing destination each time dubbing is performed on the content.
  • each link destination address is associated with information indicating whether or not the content can be restored using the link destination address. For example, a link destination address associated with “ ⁇ ” indicates that the content exists at the link destination address, and a link destination address associated with “ ⁇ ” is the link destination address. Indicates that the content does not exist. Therefore, the link destination address indicated by “x” is not used for the restoration of the content.
  • the dubbing history information it is possible to store a plurality of link destination addresses for accessing the content separately from the content list. Accordingly, if at least one link destination address (that is, a link destination address associated with “ ⁇ ”) that can be used for content restoration is stored in the dubbing history information, the content list restoration unit 122 is stored. Can restore the content to the content list using the link destination address. As illustrated in FIG. 20, when a plurality of link destination addresses that can be used for content restoration are stored, the content list restoration unit 122 may restore the content using any address.
  • the content management system includes a content management device (recording / playback device 1) that manages content, a destination device (destination device 2) that is a destination of management-target content, including.
  • the content management device stores a destination designation information storage unit (dubbing history information storage unit) that stores destination designation information acquired from the destination. 121) and restoration means (content list) for restoring the link information using the destination designation information stored in the destination information storage unit when the link information for accessing the content is deleted.
  • a restoring unit 122) stores a destination designation information storage unit (dubbing history information storage unit) that stores destination designation information acquired from the destination. 121) and restoration means (content list) for restoring the link information using the destination designation information stored in the destination information storage unit when the link information for accessing the content is deleted.
  • the content management system can easily restore the content to an accessible state even if the content is deleted.
  • the content management system according to the present embodiment is useful when applied to a system that can handle a single content by a plurality of devices (for example, a system in which DLNA devices are connected as described in the present embodiment). It is.
  • the destination device 2 can move the content stored in the destination device 2 to the destination device 3 regardless of an instruction from the recording / reproducing device 1.
  • the destination device 2 may move the content itself, or the destination device 2 may move the content according to an instruction from another device such as the destination device 3.
  • the recording / reproducing device 1 is based on the old link information before movement.
  • the content can be acquired from the destination device 3.
  • FIG. 21 is a block diagram showing a main configuration of the recording / reproducing apparatus 1, the movement destination apparatus 2, and the movement destination apparatus 3 according to the present embodiment. Note that the recording / reproducing apparatus 1, the movement destination apparatus 2, and the movement destination apparatus 3 in FIG. 21 have the same configurations as those in FIG. 1, FIG. 6, and FIG. 7, respectively, but for realizing the function (3). Descriptions of blocks other than the functional blocks added to are omitted as appropriate.
  • the recording / reproducing apparatus 1 further includes a content acquisition unit 131.
  • the content acquisition unit 131 is included in the control unit 15 (see FIG. 1).
  • the content acquisition unit 131 acquires the content selected by the user from the content listed in the content list.
  • the content acquisition unit 131 Using the first link destination address, the content request is made to the destination device 2.
  • a second link destination address (second link information) for accessing the content stored in the destination device 3 may be described in the content list.
  • the content acquisition unit 131 can also request the content from the destination device 3 using the second link destination address.
  • the destination device 2 further includes a link destination address transmission unit 132, a content transmission unit 133, and a link destination address storage unit 134.
  • the link destination address transmission unit 132, the content transmission unit 133, and the link destination address storage unit 134 are included in the control unit 42 (see FIG. 6).
  • the content transmitting unit 133 transmits this content to the storage / reproducing device 1.
  • the content transmission unit 133 receives the content from the movement destination apparatus 3 and transfers it to the storage / reproduction apparatus 1.
  • the link destination address transmitting unit 132 uses the second link instead of the content transmitting unit 133 transmitting the content to the storage / reproducing device 1.
  • the destination address is transmitted to the storage / reproduction device 1.
  • the link destination address storage unit 134 stores the second link destination address and the first link destination address in association with each other, for example, in the storage unit 41 (see FIG. 6).
  • the first link destination address indicates the storage destination of the content in the movement destination device 2.
  • the second link destination address is acquired from the destination device 3 when it is acquired from the destination device 3 (that is, when the destination device 2 moves the content to the destination device 3).
  • the destination device 3 further includes a content transmission unit 135.
  • the content transmission unit 135 is included in the control unit 42 (see FIG. 7).
  • the content transmission unit 135 transmits the content to the request source. For example, when a content is requested from the recording / reproducing device 1, the content transmitting unit 135 transmits the content to the recording / reproducing device 1. On the other hand, when content is requested from the destination device 2, the content transmission unit 135 transmits the content to the destination device 2.
  • FIG. 22 is a flowchart showing a first example of content acquisition control processing by the content management system according to the present embodiment.
  • FIG. 23 is a flowchart showing a second example of content acquisition control processing by the content management system according to the present embodiment.
  • the content acquisition unit 131 of the recording / playback device 1 requests content from the destination device 2 using the first link destination address described in the content list ( S91).
  • the content transmission unit 133 of the destination device 2 uses the second link destination address to request the destination device 3 for the content requested from the recording / reproducing device 1 (S92).
  • the content transmission unit 135 of the destination device 3 transmits the content requested from the destination device 2 to the destination device 2 (S93). Then, the content transmission unit 133 of the destination device 2 receives the content transmitted from the destination device 3, and transfers the received content to the recording / playback device 1 (S94).
  • the content acquisition unit 131 acquires the content transferred from the destination device 2 (S95). Then, the recording / reproducing apparatus 1 reproduces the content acquired in S95 (S96).
  • the content acquisition unit 131 of the recording / reproducing device 1 requests content from the destination device 2 using the first link destination address described in the content list. (S101).
  • the link destination address transmission unit 132 of the destination device 2 transmits the second link destination address for accessing the content requested from the recording / reproducing device 1 to the recording / reproducing device 1 (S102). .
  • the content acquisition unit 131 of the recording / playback device 1 requests content from the destination device 2 using the second link destination address transmitted from the destination device 2 (S103).
  • the content transmission unit 135 of the destination device 3 transmits the content requested from the destination device 1 to the destination device 1 (S104). And the content acquisition part 131 of the recording / reproducing apparatus 1 acquires the content transmitted from the movement destination apparatus 3 (S105). Then, the recording / reproducing apparatus 1 reproduces the content acquired in S105 (S106).
  • the recording / reproducing apparatus 1 can acquire the content moved to the movement destination apparatus 3 through the movement destination apparatus 2 or directly from the movement destination apparatus 3.
  • the recording / reproducing apparatus 1 acquires the second link destination address from the destination apparatus 2 at the time of requesting the content, but in advance (for example, from the destination apparatus 2 to the destination apparatus).
  • This second link destination address may be obtained from the destination device 2 (when moved to 3).
  • the recording / reproducing apparatus 1 may rewrite the first link destination address recorded in the content list with the second link destination address. Thereby, the recording / reproducing apparatus 1 can directly request content from the destination apparatus 3 thereafter.
  • each content transmission and each request transmission in the above procedure may be in any data format, for example, in accordance with the DLNA protocol.
  • FIG. 24 is a diagram showing a display example of a content list by the recording / reproducing apparatus 1.
  • FIG. 24A shows a display example of the content list before the content is moved from the movement destination device 2 to the movement destination device 3.
  • FIG. 24B shows a display example of the content list after the content is moved from the destination device 2 to the destination device 3.
  • the recording / reproducing apparatus 1 displays “MOVE” for the content for which the second link destination information is recorded in the content list, and for the content for which the first link destination address is recorded in the content list. , “Network” is displayed.
  • the display of “MOVE” It may be omitted.
  • the content management system includes a content management device (recording / playback device 1) that manages content, a destination device (destination device 2) that is a destination of management-target content, including.
  • the destination device stores external link information (second link destination address) for storing external link information (second link destination address) for accessing the content moved to the external device. 41) and when the content transmission request is received from the content management device, the content is acquired from the external device using the external link information, and the acquired content is transmitted to the content management device.
  • Content transmitting means content transmitting unit 133).
  • the destination device stores an external link information storage unit (storage unit) for storing external link information (second link destination address) for accessing the content moved to the external device. 41) and link information transmission means (link destination address transmission unit 132) for transmitting the external link information to the content management device when the content transmission request is received from the content management device.
  • an external link information storage unit storage unit
  • second link destination address second link destination address
  • link information transmission means link destination address transmission unit 132
  • the content management device for example, even when the content is moved from the destination device to the external device without the knowledge of the user of the content management device, the content management device The content can be acquired directly or indirectly from an external device without causing the user to perform a special operation.
  • the content management system according to the present embodiment is useful when applied to a system that can handle a single content by a plurality of devices (for example, a system in which DLNA devices are connected as described in the present embodiment). It is.
  • the destination device 2 can delete the content stored in the destination device 2 regardless of an instruction from the recording / reproducing device 1.
  • the destination device 2 may delete the content itself, or the destination device 2 may delete the content in response to an instruction from the destination device 3.
  • the recording / reproducing apparatus 1 can reflect the deletion of the content in the destination apparatus 2 in the content list of the recording / reproducing apparatus 1. That is, the recording / reproducing apparatus 1 can delete the content deleted at the destination from the content list.
  • FIG. 25 is a block diagram showing the main configuration of the recording / reproducing apparatus 1 and the destination apparatus 2 according to the present embodiment. Note that the recording / reproducing apparatus 1 and the movement destination apparatus 2 in FIG. 25 have the same configurations as those in FIGS. 1 and 6, respectively. However, blocks other than the functional blocks added for realizing the function (4) are described. The description is omitted as appropriate.
  • the movement destination apparatus 2 includes a content deletion unit 141 and a content deletion notification unit 142.
  • the content deletion unit 141 and the content deletion notification unit 142 are included in the control unit 42 (see FIG. 6).
  • the content deletion unit 141 deletes the content stored in the destination device 2. For example, content deletion is instructed by the user of the destination device 2. In addition, deletion of content may be instructed by another device such as the destination device 3.
  • the content deletion notification unit 142 When the content deletion unit 141 deletes the content, the content deletion notification unit 142 notifies the recording / playback apparatus 1 of the deletion. Specifically, the content deletion notification unit 142 transmits the deleted content and information indicating that the content has been deleted to the recording / reproducing apparatus 1 via the network connection unit 40.
  • the information indicating the deletion content may be transmitted in any data format, for example, according to the DLNA protocol.
  • the recording / reproducing apparatus 1 includes a content deletion notification unit 144 and a content deletion unit 143.
  • the content deletion notification unit 144 and the content deletion unit 143 are included in the control unit 15 (see FIG. 1).
  • the content deletion notification unit 144 When the content deletion notification unit 144 deletes a certain content in the destination device 2, the content deletion notification unit 144 notifies the user that this content has been deleted from the destination device 2.
  • the notification timing by the content deletion notification unit 144 is preferably after the content is deleted and when the content list is displayed, but is not limited thereto.
  • the content deletion unit 143 When the content deletion unit 143 deletes a certain content in the destination device 2, the content deletion unit 143 reflects this deletion in the content list of the recording / playback device 1. That is, the content deletion unit 143 deletes the content from the content list that the recording / playback apparatus 1 has.
  • the content deletion notification unit 144 and the content deletion unit 143 know the deletion when the recording / playback device 1 receives information indicating the deletion content from the destination device 2 via the network connection unit 16. be able to.
  • FIG. 26 is a flowchart showing an example of content deletion processing by the content management system according to the present embodiment.
  • the content deletion unit 141 of the destination device 2 deletes the content stored in the destination device 2 (S111).
  • the content deletion notification unit 142 notifies the recording / playback apparatus 1 of the deletion by S111 (S112). Specifically, the content deletion notification unit 142 transmits the information indicating the deletion content to the recording / reproducing apparatus 1 to perform the above notification.
  • the content deletion unit 143 causes the content of the recording / playback apparatus 1 to be included.
  • the content is deleted from the list (S114).
  • the deletion of the content from the content list may be performed when information indicating the deletion content is received.
  • the content list is displayed on the display device 4 (see FIG. 1) under the control of the control unit 15 (see FIG. 1) (S115). Further, the content deletion notification unit 144 notifies the user that the content has been deleted from the destination device 2 (S116).
  • FIG. 27 is a diagram showing an example of reflection in the content list by the content deletion process shown in FIG.
  • FIG. 27A shows an example of a content list before content deletion is reflected.
  • FIG. 27B-1 shows a first display example of the content list after content deletion is reflected.
  • FIG. 27B-2 shows a second display example of the content list after content deletion is reflected.
  • the second line from the top shows the attribute information of the content whose content name (title) is “News XX”.
  • the recording / reproducing apparatus 1 displays the content list in a state in which the content has been deleted, for example, as illustrated in FIG. 27 (b-1). Also good.
  • the content may be displayed and “DELETE” indicating that the content has been deleted may be displayed.
  • the display of this content is for notifying the user that the content has been deleted, and actually the content does not already exist in the content list. Therefore, the recording / reproducing apparatus 1 does not access this content.
  • the example has been shown in which the content deleted in the destination device 2 is deleted from the content list of the recording / playback device 1. You may go. For example, if the destination device 3 stores content deleted in the destination device 2, the content list may be updated so as to be linked to the storage destination of the destination device 3.
  • the content management system includes a content management device (recording / playback device 1) that manages content, and a destination device (movement) that is a destination of content that has been moved from the destination device.
  • a content management device recording / playback device 1
  • a destination device movement
  • Device 2 a destination of content that has been moved from the destination device.
  • the destination device includes a content deletion unit (content deletion unit 141) for deleting the content received from the content management device, and a content deletion notification unit (content deletion notification) for notifying the content management device of the deletion of the content. Part 142).
  • a content deletion unit content deletion unit 141 for deleting the content received from the content management device
  • a content deletion notification unit content deletion notification for notifying the content management device of the deletion of the content. Part 142).
  • the content management device includes a link information deletion unit (content deletion unit 143) that deletes link information for accessing the content when the deletion of the content is notified from the destination device.
  • a link information deletion unit content deletion unit 143 that deletes link information for accessing the content when the deletion of the content is notified from the destination device.
  • the content management system can move the content list of the content management device and the content even if the content is deleted in the destination device without being instructed by the content management device. It is possible to easily synchronize the storage state of the content in the destination device. Therefore, for example, there is no problem that the content management device requests the content even though the content is deleted from the destination device.
  • the content management system according to the present embodiment is useful when applied to a system that can handle a single content by a plurality of devices (for example, a system in which DLNA devices are connected as described in the present embodiment). It is.
  • the recording / playback apparatus 1 moves the content recorded in the content recording unit 13 built in the own apparatus.
  • the content to be moved (content managed by the content management unit 22) only needs to be stored so as to be readable by the recording / reproducing apparatus 1, and is not limited to this example.
  • the content recording unit 13 may be externally attached to the recording / reproducing apparatus 1, or a plurality of content recording units 13 may exist.
  • the content recording unit 13 may be a storage device such as an HDD, or may be a recording medium such as a semiconductor memory or an optical disc as long as the written content can be moved.
  • the recording / reproducing apparatus 1 displays an example on the external display device 4, but the recording / reproducing apparatus 1 may include a display unit. That is, the recording / reproducing apparatus 1 may be a television having a recording function.
  • the destination devices 2 and 3 are NAS.
  • the destination devices 2 and 3 may be devices having a content server function (for example, a DMS device in DLNA). Not limited.
  • a content server function for example, a DMS device in DLNA
  • another recording / reproducing apparatus having a recording / reproducing function may be used.
  • the main feature of the present invention is the content management method, the content management unit 22, the dubbing information management unit 23, the link information management unit 24, and other functions that implement this content management method are provided. If it is a management apparatus, there exists an effect similar to the said recording / reproducing apparatus 1.
  • each block of the recording / reproducing device 1, the destination device 2, and the destination device 3, in particular, the control unit 15 and the control unit 42 are implemented in hardware by a logic circuit formed on an integrated circuit (IC chip). It may be realized or may be realized by software using a CPU (Central Processing Unit).
  • IC chip integrated circuit
  • CPU Central Processing Unit
  • the recording / reproducing device 1, the destination device 2, and the destination device 3 develop a CPU that executes instructions of a program that realizes each function, a ROM (Read Memory) that stores the program, and the program.
  • RAM Random Access Memory
  • a storage device such as a memory for storing the program and various data, and the like.
  • the object of the present invention is the program code (execution format program, intermediate code program, source program) of the control program for the recording / reproducing apparatus 1, the movement destination apparatus 2, and the movement destination apparatus 3, which are software for realizing the functions described above Is supplied to the recording / reproducing apparatus 1, the movement destination apparatus 2, and the movement destination apparatus 3, and the computer (or CPU or MPU) is recorded on the recording medium. This can also be achieved by reading out and executing.
  • Examples of the recording medium include tapes such as magnetic tapes and cassette tapes, disks including magnetic disks such as floppy (registered trademark) disks / hard disks, and optical disks such as CD-ROM / MO / MD / DVD / BD, IC cards (including memory cards) / cards such as optical cards, semiconductor memories such as mask ROM / EPROM / EEPROM (registered trademark) / flash ROM, or PLD (Programmable logic device) or FPGA (Field Programmable Gate Array) Such logic circuits can be used.
  • the recording / reproducing device 1, the destination device 2, and the destination device 3 may be configured to be connectable to a communication network, and the program code may be supplied via the communication network.
  • the communication network is not particularly limited as long as it can transmit the program code.
  • the Internet intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network (Virtual Private Network), telephone line network, mobile communication network, satellite communication network, etc. can be used.
  • the transmission medium constituting the communication network may be any medium that can transmit the program code, and is not limited to a specific configuration or type.
  • wired lines such as IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL (Asymmetric Digital Subscriber Line) line, infrared rays such as IrDA and remote control, Bluetooth (registered trademark), IEEE 802.11 wireless, HDR ( It can also be used by wireless such as High Data Rate, NFC (Near Field Communication), DLNA (Digital Living Network Alliance), mobile phone network, satellite line, terrestrial digital network.
  • the present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.
  • the content management apparatus is a content management apparatus that manages content, and when the managed content is moved to the movement destination apparatus, the movement of the content from the movement destination apparatus is performed.
  • a storage means for storing destination specification information acquisition means for acquiring destination designation information for specifying a destination, and the destination designation information acquired by the destination designation information acquisition means as link information for accessing the content.
  • the content management method is a content management method by a content management device that manages content in order to solve the above-described problem, and when moving content to be managed to a destination device.
  • a destination designation information obtaining step for obtaining destination designation information for designating a destination for the content from the destination device, and the destination designation information obtained in the destination designation information obtaining step for accessing the content.
  • a link information storing step for storing the link information as link information.
  • the destination designation information acquired from the destination device is stored as link information for accessing the content.
  • this destination designation information indicates the destination designated by the destination device. Therefore, according to the configuration described above, the content can be used by directly using the movement destination designation information stored as the link information without performing complicated processing such as specifying the storage destination address of the content from the object ID as in the prior art. There is an effect that it can be easily accessed.
  • the destination designation information acquisition unit further acquires identification information for identifying the destination device from the destination device when moving the content to be managed, and the link information storage unit includes the link information It is preferable to store the destination designation information and the identification information acquired by the destination designation information acquisition unit in association with each other.
  • the identification information for identifying the destination device is acquired from the destination device, and this identification information is stored in association with the destination designation information of the link information. As a result, even if access to the content by the destination designation information fails, it is possible to access the content stored in the destination device by detecting the destination device using the identification information. become.
  • the movement destination designation information includes an address on the network of the movement destination device, and when the content management apparatus fails to access using the movement destination designation information of the link information, the movement destination designation information A destination device is detected using the identification information associated with the address information, and an address acquisition unit is provided for acquiring an address on the network of the detected destination device.
  • the link information storage unit is acquired by the address acquisition unit. It is preferable to update the destination designation information by replacing the address portion of the destination designation information with an address.
  • the address of the device on the network may change. For this reason, it is conceivable that the address on the network of the destination device is changed after the destination designation information is acquired from the destination device. In such a case, access to the content by the acquired destination designation information becomes impossible.
  • the destination device when access using the destination designation information fails, the destination device is detected using the identification information associated with the destination designation information, and the detected destination device is detected. Get the address of Then, the address portion of the destination designation information is replaced with the acquired address, and the destination designation information is updated.
  • the content is updated using the updated destination specification information. Can be accessed.
  • the content management device accesses the destination device using the address acquired by the address acquisition means, and the destination device stores It is preferable that the information acquisition means for selection which acquires the information for showing each content to be shown to a user is provided.
  • the storage destination or management state of the content changes in the destination device, or the content is managed by the destination designation information in the destination device. It is also assumed that there is not. In such a case, the content cannot be accessed even when the updated destination designation information is used.
  • the destination device is accessed using the acquired address, and each content stored in the destination device is stored. To obtain information for presenting to the user.
  • each content stored in the destination device can be presented to the user, the user can select desired content from the presented folder and access it.
  • the information for presenting each content stored in the destination device to the user may be, for example, an address of a container in which the destination device stores the content, or a list of contents managed by the destination device. May be.
  • the content management device stores, for the content in which the link information storage means stores link information, content management means for storing link access information indicating that the content is accessible by link information, and the link It is preferable to include an access unit that accesses the content using the link information when the content in which the access information is stored is selected as an access target.
  • the link access information indicating that the content is accessible with the link information is stored. Then, when a content in which link access information is stored is selected as an access target, the content is accessed using the link information. Further, when a content that does not store link access information is selected as an access target, the content is accessed as usual (without using link information).
  • a method for accessing content is determined depending on whether or not link access information is stored. For this reason, it is possible to share the processing for selecting content between the moved content in which the link access information is stored and the unmoved content in which the link access information is not stored.
  • the same display screen can be used for allowing the user to select content.
  • the user can select and access the content after movement with the same feeling as before the movement.
  • the content management apparatus accesses the content, a movement destination designation information storage unit that stores the movement destination designation information acquired from the movement destination each time content to be managed is moved to the movement destination apparatus. It is preferable that the information processing apparatus further includes a restoring unit that restores the link information using the destination designation information stored in the destination information storage unit when the link information to be deleted is deleted.
  • the content management device can be easily restored to a state where the content can be accessed.
  • the content management apparatus may be realized by a computer.
  • a control program for causing the content management apparatus to be realized by the computer by causing the computer to operate as each unit of the content management apparatus, and A computer-readable recording medium on which it is recorded also falls within the category of this embodiment.
  • the destination device that is the destination of the content to be managed by the content management device includes the destination designation information acquired by the destination designation information acquisition means of the content management device, and the storage destination of the content
  • the correspondence information storage means for storing correspondence information in association with the storage destination information indicating the storage location information, and the correspondence information storage means stores the access when the content management device receives access to the content by the destination designation information.
  • storage location information specifying means for specifying the storage location information associated with the destination designation information with reference to the correspondence information.
  • the correspondence information that associates the destination designation information with the storage destination information is stored. Then, when access to the content by the movement destination designation information is received, the storage destination information associated with the movement destination designation information is specified with reference to the stored correspondence information.
  • the movement destination device can specify the accessed content using the specified storage location information. For this reason, the content management device can access the content with the destination designation information even if the destination device manages the content using the storage destination information.
  • a television receiver equipped with the content management device has the same effects as the content management device.
  • the content management system is a content management system that includes the content management device and a destination device that is a destination of content to be managed by the content management device.
  • the content name change reflection means for reflecting the change of the content name on the content name described in the link information for accessing the content It is characterized by providing.
  • the content name of the content managed by the content management device and the content name managed by the destination device are managed.
  • the content name of the content can be easily synchronized.
  • the content management system includes the content management device, a destination device that is a destination of the content to be managed by the content management device, and the content that has been moved to the destination device.
  • the content management system includes the content management device, a destination device that is a destination of the content to be managed by the content management device, and the content that has been moved to the destination device.
  • a link information transmitting unit configured to transmit the external link information to the content management device when a content transmission request is received from the content management device.
  • the content management device performs a special operation by the user.
  • the content can be acquired directly or indirectly from the external device without causing the device to perform the operation.
  • the content management system is a content management system that includes the content management device and a destination device that is a destination of content to be managed by the content management device.
  • a link information deleting means for deleting link information for accessing the content when deletion of the content is notified is provided.
  • the content list state of the content management device and the content storage state in the destination device are displayed. Can be easily synchronized. Therefore, for example, there is no problem that the content management device requests the content even though the content is deleted from the destination device.
  • the present invention can be used for managing contents such as recorded broadcast programs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Signal Processing For Recording (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Dans la présente invention, un dispositif d'enregistrement et de lecture (1) comporte : une unité de gestion d'informations de doublage (23) qui, lors du déplacement d'un contenu à gérer vers un dispositif de destination (2), acquiert un identificateur de ressources uniformes (URI) d'importation spécifiant la destination pour le contenu à partir du dispositif de destination (2) ; et une unité de gestion d'informations de liaison (24) qui stocke l'URI d'importation en temps qu'informations de liaison (32) pour accéder au contenu.
PCT/JP2012/074794 2011-11-10 2012-09-26 Dispositif de gestion de contenu, programme de commande, support d'enregistrement, procédé de gestion de contenu, dispositif de destination, récepteur de télévision et système de gestion de contenu WO2013069388A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011-246920 2011-11-10
JP2011246920 2011-11-10
JP2012-034515 2012-02-20
JP2012034515A JP2013123203A (ja) 2011-11-10 2012-02-20 コンテンツ管理装置、制御プログラム、記録媒体、コンテンツ管理方法、移動先装置、テレビジョン受像機、およびコンテンツ管理システム

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WO2013069388A1 true WO2013069388A1 (fr) 2013-05-16

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