WO2017050124A1 - Procédé et système d'enregistrement et de partage de programme - Google Patents

Procédé et système d'enregistrement et de partage de programme Download PDF

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Publication number
WO2017050124A1
WO2017050124A1 PCT/CN2016/098271 CN2016098271W WO2017050124A1 WO 2017050124 A1 WO2017050124 A1 WO 2017050124A1 CN 2016098271 W CN2016098271 W CN 2016098271W WO 2017050124 A1 WO2017050124 A1 WO 2017050124A1
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WO
WIPO (PCT)
Prior art keywords
program
recording
list file
segment
list
Prior art date
Application number
PCT/CN2016/098271
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English (en)
Chinese (zh)
Inventor
曾令明
Original Assignee
深圳市九洲电器有限公司
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Publication of WO2017050124A1 publication Critical patent/WO2017050124A1/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]
    • H04N21/40—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
    • 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
    • H04N21/4332—Content storage operation, e.g. storage operation in response to a pause request, caching operations by placing content in organized collections, e.g. local EPG data repository
    • 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
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • 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
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot

Definitions

  • the present application relates to the field of communications, and in particular, to a program recording sharing method and system.
  • PVR personal video recorder
  • the set-top box shares the program through the home LAN.
  • the DLNA protocol is adopted, and the set-top box is used as a DMS server for sharing media, and the terminal devices such as mobile phones, PADs, and PCs are used as digital media players (DMPs).
  • DMPs digital media players
  • the TS stream transport stream
  • the program adopts a variable bit rate, it is difficult to locate a specific playback time point, and fast forward and fast through the network transmission.
  • Retreat requires high bandwidth, which brings a great burden to the set-top box, which is not conducive to program sharing and affects user usage.
  • the embodiment of the present application provides a program recording sharing method, including the following steps:
  • the list file is sent to the terminal device through the local area network, and the terminal device searches for the required TS segment through the list file, and after the terminal device determines the required TS segment, according to the index in the list file. Share the required TS fragments to the terminal device.
  • the step S10 is specifically: recording by using the MPEG DASH protocol, and dividing the TS stream of the complete program into a plurality of TS segments and recording the same on the storage device.
  • the step S10 is specifically: acquiring EPG information of the program when the set top box performs recording, and dividing the recording time into multiple periods corresponding to the program list according to the program list in the EPG during the recording time. , recording is performed separately for each cycle, and EPG information is added to the list file.
  • the step S10 is specifically: the recorded TS segments are randomly named and randomly stored in the storage device, and the list file is encrypted.
  • the step S20 is specifically: performing address translation on the TS segment to be shared, and converting the address in the storage device into a local area network address.
  • the embodiment of the present application further provides a program recording sharing system, including:
  • the program recording unit divides the complete TS stream of the program into a plurality of TS segments and records them to the storage device and indexes each TS segment, creates a list file, and saves the index of each TS segment in the list. In the file;
  • the recording sharing unit sends the list file to the terminal device through the local area network when the set-top box shares the recorded program, and the terminal device searches for the required TS segment through the list file, and after the terminal device determines the required TS segment, according to the list file The index shares the required TS fragments to the terminal device.
  • the program recording unit performs recording using the MPEG DASH protocol, and divides the complete TS stream of the program into a plurality of TS segments for recording onto the storage device.
  • the program recording unit acquires when the set top box performs recording.
  • the EPG information of the program is divided into a plurality of periods corresponding to the program list according to the program list in the EPG during the recording time, and each period is separately recorded, and the EPG information is added to the list file.
  • the program recording unit randomly names the recorded TS segments and randomly stores them in the storage device, and encrypts the list file.
  • the recording sharing unit performs address translation on the TS segment to be shared, and converts the address in the storage device into a local area network address.
  • the embodiment of the present application further provides an electronic device, including:
  • At least one processor and,
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the method as described above.
  • the embodiment of the present application also provides a non-transitory computer readable storage medium storing computer-executable instructions for causing the computer to perform the method as described above.
  • the embodiment of the present application further provides a computer program product, the computer program product comprising a calculation program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instruction is used by a computer When executed, the computer is caused to perform the method as described above.
  • the program recording sharing method and system of the present application divides the TS stream into a plurality of TS segments for recording and builds an index and a list file, and stores the index in the list file, and only shares the list when sharing the recorded program.
  • File without sharing the TS segment, select the TS segment through the list file, select only the selected TS segment, and do not need to send the entire TS stream, and do not need to operate multiple times, can accurately locate the specific playback time point, thereby reducing
  • the burden of the set-top box is conducive to sharing programs and is convenient for users.
  • FIG. 1 is a flow chart of a program recording sharing method in an embodiment.
  • FIG. 2 is a schematic structural diagram of a unit of a program recording sharing system in an embodiment.
  • FIG. 3 is a schematic diagram showing the hardware structure of an electronic device for recording and sharing a program according to an embodiment of the present application.
  • FIG. 1 is a flowchart of a program recording sharing method in an embodiment. As shown in FIG. 1, the method includes the following steps:
  • the complete TS stream is divided into a plurality of TS segments for recording instead of being recorded as a complete TS stream. And, each recorded TS segment is indexed, so that the storage location of each TS segment can be found by index.
  • the MPEG DASH protocol is used for recording, and the complete TS stream of the program is divided into a plurality of TS segments and recorded on the storage device.
  • a list file is created, the list file stores an index of each TS segment, and a TS segment list is constructed, and each TS segment can be viewed through the list file.
  • the step further includes: when the set-top box performs recording, acquiring EPG information of the program, and dividing the recording time into corresponding to the program list according to the program list in the EPG during the recording time. Cycles, recording separately for each cycle, and adding EPG information to the list file. In this way, when EPG information is added to the list file and recorded separately in each cycle, the corresponding TS segment can be accurately found according to the EPG information, thereby reducing the burden on the set top box and the user.
  • the step further includes: randomly naming the recorded TS segments and randomly storing them in the storage device, and performing the list file on the storage device. encryption.
  • the list file is encrypted. If the list file cannot be decrypted to obtain the list file, only the TS segments can be viewed in the normal order, thereby effectively protecting.
  • the list file is sent to the terminal device through the local area network, and the terminal device searches for the required TS segment through the list file, and after the terminal device determines the required TS segment, according to the index in the list file. Share the required TS fragments to the terminal device.
  • the set-top box is shared as a server.
  • the list file is sent to the terminal device, and the terminal device searches for the required TS segment through the list file and determines, after the determination, the set-top box selects the required TS segment according to the index of the required TS segment in the list file. Sharing the terminal device, that is, when sharing the recorded program, only the list file is shared first, and the TS segment is not shared, so that the TS segment is selected by the list file, and only the selected TS segment is sent, and the entire TS stream does not need to be sent. There is no need to operate multiple times, thereby reducing the burden on the set top box.
  • the step includes: performing address translation on the TS segment to be shared, and converting the address in the storage device into a local area network address. In this way, the TS segment can be directly accessed through the LAN address for sharing.
  • the program records a sharing method, and divides the TS stream into a plurality of TS segments for recording during recording. Index and list files are stored, and the index is stored in the list file.
  • index and list files are stored, and the index is stored in the list file.
  • the embodiment of the present application further provides a program recording sharing system 200, and the system includes:
  • the program recording unit 210 when recording in the set top box, divides the complete TS stream of the program into a plurality of TS segments and records them on the storage device, and indexes each TS segment, creates a list file, and saves the index of each TS segment in the In the list file.
  • the program recording unit 210 divides the complete TS stream into a plurality of TS segments for recording instead of recording into a complete TS stream. And, each recorded TS segment is indexed, so that the storage location of each TS segment can be found by index.
  • the program recording unit 210 performs recording using the MPEG DASH protocol, and divides the complete TS stream of the program into a plurality of TS segments for recording onto the storage device.
  • the program recording unit 210 creates a list file, which stores an index of each TS segment, constructs a TS segment list, and can view each TS segment through the list file.
  • the recording time is 3 hours
  • the program start time cannot be known, and multiple attempts are required, which increases the burden on the set top box and the user.
  • the program recording unit 210 acquires the EPG information of the program, and divides the recording time into multiples corresponding to the program list according to the program list in the EPG during the recording time. Cycles, recording separately for each cycle, and adding EPG information to the list file. This way, in the list file When EPG information is added and recorded separately in each cycle, the corresponding TS segment can be accurately found according to the EPG information, which reduces the burden on the set top box and the user.
  • the program recording unit 210 randomly names the recorded TS segments and randomly stores them in the storage device, and encrypts the list file. .
  • the list file is encrypted. If the list file cannot be decrypted to obtain the list file, only the TS segments can be viewed in the normal order, thereby effectively protecting.
  • the recording sharing unit 220 when the set-top box shares the recorded program, sends the list file to the terminal device through the local area network, and the terminal device searches for the required TS segment through the list file, and after the terminal device determines the required TS segment, according to the list file.
  • the index in the file shares the required TS fragments to the terminal device.
  • the set-top box is shared as a server.
  • the recording sharing unit 220 performs sharing
  • the list file is sent to the terminal device, and the terminal device searches for the required TS segment through the list file and determines, after determining, the set top box according to the index of the required TS segment in the list file.
  • the required TS segments are shared to the terminal device, that is, when the recorded program is shared, only the list file is shared first, and the TS segment is not shared, so that the TS segment is selected by the list file, and only the selected TS segment is sent, and the entire TS segment is not sent.
  • the TS stream also does not require multiple operations, thereby reducing the burden on the set top box.
  • the recording sharing unit 220 since the address of the TS segment in the storage device cannot be directly accessed through the local area network, the recording sharing unit 220 performs address translation on the TS segment to be shared, and converts the address in the storage device into a local area network address. In this way, the TS segment can be directly accessed through the LAN address for sharing.
  • the program recording sharing system 200 divides the TS stream into a plurality of TS segments for recording and builds an index and a list file during recording, and stores the index in the list file.
  • the program recording sharing system 200 divides the TS stream into a plurality of TS segments for recording and builds an index and a list file during recording, and stores the index in the list file.
  • the list file is shared first. Instead of sharing the TS segment, the TS segment is selected by the list file, and only the selected TS segment is sent after selection, and the entire TS stream does not need to be sent, and multiple operations are not required, so that the specific playback time point can be accurately located, thereby reducing the set-top box. Burden, which is conducive to program sharing, party It is used by users.
  • the program recording sharing method and system in the embodiment of the present application divides the TS stream into a plurality of TS segments for recording and builds an index and a list file, and stores the index in the list file, and only shares the recorded program when sharing the recorded program. Share the list file without sharing the TS segment, select the TS segment through the list file, select only the selected TS segment, and do not need to send the entire TS stream, and do not need to operate multiple times, which can accurately locate the specific playback time point. Thereby reducing the burden on the set-top box, facilitating program sharing and facilitating user use.
  • FIG. 3 is a schematic diagram of the hardware structure of the electronic device 300 of the program recording sharing method provided by the embodiment of the present application. As shown in FIG. 3, the electronic device 300 includes:
  • One or more processors 310 and memory 320 are exemplified by one processor 310 in FIG.
  • the processor 310 and the memory 320 may be connected by a bus or other means, as exemplified by a bus connection in FIG.
  • the memory 320 is a non-volatile computer readable storage medium, and can be used for storing a non-volatile software program, a non-volatile computer executable program, and a module, such as a program corresponding to the program recording sharing method in the embodiment of the present application. Instruction/module.
  • the processor 310 executes various functional applications and data processing of the server by running non-volatile software programs, instructions, and modules stored in the memory 320, that is, implementing the program recording sharing method of the above method embodiment.
  • the memory 320 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to the use of the program recording sharing system 200, and the like.
  • memory 320 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 320 can optionally include memory remotely located relative to processor 310, which can be connected to program recording sharing system 200 via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the one or more modules are stored in the memory 320, and when executed by the one or more processors 310, perform a program recording sharing method in any of the above method embodiments, for example,
  • the functions of the program recording unit 210 and the recording sharing unit 220 in FIG. 2 are implemented by performing the method steps S10 to S20 in FIG. 1 described above.
  • the electronic device of the embodiment of the present application exists in various forms, including but not limited to:
  • Server A device that provides computing services.
  • the server consists of a processor, a hard disk, a memory, a system bus, etc.
  • the server is similar to a general-purpose computer architecture, but because of the need to provide highly reliable services, processing power and stability High reliability in terms of reliability, security, scalability, and manageability.
  • An embodiment of the present application provides a non-transitory computer readable storage medium storing computer-executable instructions that are executed by one or more processors, such as in FIG.
  • the processor 310 may be configured to enable the one or more processors to perform the program recording sharing method in any of the foregoing method embodiments, for example, to perform the method steps S10 to S20 in FIG. 1 described above, to implement the method in FIG.
  • the function of the program recording unit 210 and the recording sharing unit 220 may be configured to enable the one or more processors to perform the program recording sharing method in any of the foregoing method embodiments, for example, to perform the method steps S10 to S20 in FIG. 1 described above, to implement the method in FIG.
  • the function of the program recording unit 210 and the recording sharing unit 220 may be configured to enable the one or more processors to perform the program recording sharing method in any of the foregoing method embodiments, for example, to perform the method steps S10 to S20 in FIG. 1 described above, to implement the method in FIG.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • the various embodiments can be implemented by means of software plus a general hardware platform, and of course, by hardware.
  • a person skilled in the art can understand that all or part of the process of implementing the above embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. When executed, the flow of an embodiment of the methods as described above may be included.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

La présente invention concerne un procédé et un système d'enregistrement et de partage de programme. Durant un enregistrement, un flux TS est divisé en une pluralité de segments TS pour l'enregistrement, et un index et un fichier de liste sont créés ; l'index est stocké dans le fichier de liste ; lors du partage d'un programme enregistré, seul le fichier de liste est partagé en premier, les segments TS n'étant pas partagés ; un segment TS est sélectionné via le fichier de liste ; et seul le segment TS sélectionné est envoyé après la sélection, sans qu'il soit nécessaire d'envoyer le flux TS dans son intégralité ou d'exécuter une pluralité d'opérations. La présente invention peut positionner avec précision un point temporel de lecture spécifique, ce qui réduit la charge d'un boîtier décodeur, facilite le partage de programme et améliore l'expérience utilisateur.
PCT/CN2016/098271 2015-09-21 2016-09-07 Procédé et système d'enregistrement et de partage de programme WO2017050124A1 (fr)

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CN105828169A (zh) * 2016-03-25 2016-08-03 深圳市九洲电器有限公司 一种电视节目视频碎片分享方法及系统
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