CN102104805A - System and method for accessing broadcast media in form of virtual file - Google Patents
System and method for accessing broadcast media in form of virtual file Download PDFInfo
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- CN102104805A CN102104805A CN201010585345XA CN201010585345A CN102104805A CN 102104805 A CN102104805 A CN 102104805A CN 201010585345X A CN201010585345X A CN 201010585345XA CN 201010585345 A CN201010585345 A CN 201010585345A CN 102104805 A CN102104805 A CN 102104805A
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Abstract
The invention provides a system and method for accessing broadcast media in form of a virtual file, wherein the method comprises the following steps: a plurality of virtual files which are in one-to-one correspondence with broadcast media sources are established in a virtual file system of a media receiving apparatus; a media access apparatus selects and plays one of the virtual files from a file list, configures the parameter of a broadcast media receiving module by utilizing the description information of the virtual file; the broadcast media receiving module acquires a broadcast media source and processes the broadcast media source into a transmission stream, and stores the transmission stream to the virtual file; and the virtual file system sends the transmission stream in the virtual file to the media access apparatus, and a streaming media player carries out playing and processing, wherein the media receiving apparatus is virtual as a mobile storage apparatus, and a mobile storage apparatus drive program in the media access apparatus is used for carrying out data interaction. The system and the method are not limited by the system platform of the media access apparatus, and a special user access interface is not needed, thereby improving the system compatibility and saving the development cost.
Description
Technical field
The present invention relates to a kind of media interviews technology, especially relate to a kind of system and method with virtual file form visit broadcast medium.
Background technology
At present the equipment of visit broadcast medium all need be on media interviews equipment the driver of configure dedicated, and cooperates with the media player of special use, just can finish the visit of broadcast medium, and need the user interface (UI, User Interface) of special use.In this traditional access mode,, media interviews equipment is subjected to the restriction of media interviews equipment end system platform because needing special-purpose driver, and the user capture interface of special-purpose media player and special use all needs to increase and many becomes original completion code to write, illustrate work such as document to have the excessive defective of development cost.
Summary of the invention
The present invention proposes a kind of system and method with virtual file form visit broadcast medium, uses the virtual file mode to utilize the mobile storage driver to realize not visited by the broadcast medium of media interviews device systems platform constraints.
The present invention has adopted following technical scheme to realize: a kind of method with virtual file form visit broadcast medium, it comprises: safeguard a Virtual File System at the medium receiving equipment, set up and a plurality of one to one virtual files of each broadcast media sources in the listed files mode in Virtual File System; Media interviews equipment is selected to play one of them virtual file from listed files, utilizes the parameter of the descriptor configuration broadcast medium receiver module of this virtual file, and the broadcast medium receiver module obtains broadcast media sources and is treated to transport stream; Virtual File System sends to media interviews equipment with the transport stream in the described virtual file, carries out playback process by media interviews equipment by DST PLAYER; Wherein, the medium receiving equipment is invented a movable storage device by the monitoring management to medium receiving equipment and media interviews devices communicating data, uses the movable storage device driver in the media interviews equipment to carry out data interaction when the medium receiving equipment is communicated by letter with access end.
Wherein, the step that described broadcast medium receiver module obtains broadcast media sources comprises: the parameter according to configuration receives the broadcast television signal of certain frequency, and broadcast television signal is switched to intermediate-freuqncy signal; The intermediate-freuqncy signal conciliation is processed into transport stream; Even, also comprise: transport stream is made scramble process.
The present invention discloses a kind of system with virtual file form visit broadcast medium, this system comprises: medium receiving equipment, media interviews equipment, and this medium receiving equipment uses the movable storage device driver in the media interviews equipment to carry out data interaction when communicating by letter with media interviews equipment; Wherein, this medium receiving equipment comprises: Virtual File System, be used for the medium receiving equipment being invented a movable storage device, and be used for setting up and a plurality of one to one virtual files of each broadcast media sources in the listed files mode by monitoring management to medium receiving equipment and media interviews devices communicating data; The broadcast medium receiver module is used to obtain broadcast media sources and is treated to transport stream; Data management module is used for carrying out data communication with media interviews equipment; When media interviews equipment selects to play one of them virtual file from listed files, utilize the parameter of the descriptor configuration broadcast medium receiver module of this virtual file by data management module control, obtain broadcast media sources and be treated to transport stream by the broadcast medium receiver module, the transport stream in the described virtual file is sent to media interviews equipment by Virtual File System; Wherein, the medium receiving equipment is invented a movable storage device by the monitoring management to medium receiving equipment and media interviews devices communicating data, uses the movable storage device driver in the media interviews equipment to carry out data interaction when the medium receiving equipment is communicated by letter with access end.
Wherein, described broadcast medium receiver module comprises: the broadcast television signal that is used for receiving switches to the tuner of intermediate-freuqncy signal; Be used for the intermediate-freuqncy signal of tuner output is made to reconcile the demodulator of handling, its output transport stream; Even described broadcast medium receiver module also comprises: be connected the Conditional Access Module of demodulator output, be used for transport stream is carried out scramble process, the transport stream behind the descrambling is imported data management module into.
Wherein, described data management module comprises: the bit stream data administrative unit, and be used for control the broadcast medium receiver module is carried out parameter configuration, and control deposits the transport stream of broadcast medium receiver module output to corresponding virtual file; The communication data administrative unit is understood the media interviews request according to the communication mode of standard movable storage device and access end, is used for carrying out data communication with media interviews equipment by demand.
Compared with prior art, the present invention has following useful technique effect:
The present invention adopts the system of virtual file form visit broadcast medium to need not in the media interviews equipment end specific drivers to be installed, thereby makes the use of media interviews equipment no longer be subjected to the restriction of system platform; The media interviews device just will be equipped with the broadcast that the player of supporting the stream media format file to play just can be finished broadcast medium, need not special-purpose media player; System of the present invention is kept at the program that the searches listed files form with Virtual File System on the memory device that carries, these virtual files only comprise the configuration information of descriptor and corresponding program and do not comprise actual content code stream under the maintenance of Virtual File System, the user can be switched program by selecting respective file, can no longer increase special-purpose user capture interface.Therefore, the designed system of the present invention is not subjected to media interviews device systems platform constraints, and the player that uses general support stream media format file to play can not increase special-purpose user capture interface, also promoted system compatibility greatly, the development cost of having saved relevant special module.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention;
Fig. 2 is the process schematic diagram that the present invention and media interviews equipment carry out data interaction.
Embodiment
System of the present invention combines broadcast medium receiving system and removable standard storage device interior treatment system dexterously.From user's angle, this system is a radiovisor, and from the angle of media interviews equipment, system of the present invention then is regarded as the memory device of " standard ".
On media interviews equipment, do not need special-purpose driver, but utilize the movable storage device driver of media interviews equipment end existing standard to carry out data interaction, the medium receiving equipment is the movable storage device of self being used as a standard and the data processing request of normally understanding access means according to the communication protocol and the processing mode of standard between standard storage equipment and the access end, and when giving the access end return data according to request the medium receiving equipment according to the demand return data content of self; When media interviews equipment need be visited certain program, native system will transmit corresponding data to media interviews equipment according to the corresponding program of accessed file, and the media interviews device just will be equipped with the player of supporting the stream media format file to play just can play this virtual file; Because native system is preserved the program that searches with the virtual file form, media interviews equipment can read virtual file directory information in the native system, can increase the user capture interface.
As shown in Figure 1, system of the present invention comprises: the broadcast medium receiver module 10 that is used to receive broadcast television signal; The data management module 20 that the data of the broadcasted media data of broadcast medium receiver module 10 output and medium receiving equipment and media interviews communication between devices are managed; Virtual File System 30.
Wherein, broadcast television signal is modulated radio signal (the Radio Frequency that meets present various broadcast systems in the world, RF), comprise digital video broadcasting (Digital Video Broadcasting, DVB) signal series, ground digital multimedia TV broad cast (Terrestrial Digital Multimedia-Television Broadcasting, DMB-T) broadcast singal of broadcast system such as grade.
For broadcast medium receiver module 10, in one embodiment, it comprises: the broadcast television signal (for high-frequency signal) that is used for receiving switches to the tuner 11 of intermediate-freuqncy signal; Be used for the intermediate-freuqncy signal of tuner output is made to reconcile the demodulator of handling 12, and these demodulator 12 output transport streams (Transport Stream, TS).In another embodiment, broadcast medium receiver module 10 comprises that also the condition that is connected demodulator 12 outputs receives (Conditional Access, CA) module 13, are used for transport stream is carried out scramble process, and the transport stream behind the descrambling is imported data management module 20 into.
Data management module 20 comprises bit stream data administrative unit 21 and communication data administrative unit 22; Be responsible for broadcast medium receiver module 10 is made the parameter configuration that broadcast medium receives by bit stream data administrative unit 21, the transport stream that broadcast medium receiver module 10 is exported manages; And communication data administrative unit 22 is responsible for communicating with media interviews equipment.
Transport stream enters Virtual File System 30 through data management module 20, mode with virtual file is stored under the file or path of the some settings in this virtual file control system 30, every road broadcast television signal can generate a virtual file, perhaps, every road broadcast television signal generates one or more virtual files according to program or default duration, and these virtual files do not exist actual transmissions stream content to have only corresponding content buffer area (even can be a public buffer area), content output can certainly be saved in the memory space of expansion.
When data management module 20 and media interviews devices communicating, with self movable storage device as a standard, utilize the demand of the communication protocol identification media interviews device request data of the driving of media interviews equipment standard and standard, then according to demand with the mode return data of conformance with standard communication protocol.By this method media interviews equipment is finished and the communicating by letter of data management module 20 not installing under the situation that special equipment drives.
The main demand of system of the present invention and media interviews communication between devices is that media interviews equipment reads the virtual file information in the Virtual File System 30, mainly comprises: 1, media interviews equipment reads the listed files information that can reflect programme information (the corresponding broadcast media sources of program) from Virtual File System 30; 2, when certain virtual file particular content of media interviews device access, system of the present invention sends corresponding transport stream according to the program of this virtual file correspondence to media interviews equipment.
As shown in Figure 2, media interviews equipment and system communication of the present invention, realize that the process of broadcast medium visit is as follows:
Step S21: media interviews equipment obtains the listed files information of Virtual File System 30.
Step S22: one of them virtual file in the tabulation of media interviews choice of equipment this document, send the request of data of obtaining the corresponding program transport streams of this virtual file to data management module 20.
Wherein, only there is the descriptor by the demand structure in virtual file in listed files, and in system of the present invention, there is not real program content data (i.e. Dui Ying broadcast media sources), only preserve the configuration information of corresponding program, In the view of these files of media interviews equipment then be some be described the files in stream media of super large.
Step S23: the request of data of communication data administrative unit 22 analyzing medium access means, utilize the parameter of the descriptor configuration broadcast medium receiver module 10 of this virtual file.
Step S24: broadcast medium receiver module 10 receives broadcast television signal according to the parameter of configuration, and output transport stream is saved to described virtual file.
Step S25: Virtual File System 30 is made returning of request of data by communication data administrative unit 22 to media interviews equipment, and the buffer area content of described virtual file being obtained described transport stream sends to media interviews equipment.
Step S26: the transport stream of this virtual file of player plays that media interviews equipment is play by the support stream media format file that carries, realize that program watches.
To sum up, system of the present invention will satisfy the concrete technical scheme of the demand and is:
1, safeguard a virtual file system in system of the present invention, this document system can normally be discerned by media interviews equipment under the management of communication data administration module 22;
2, after system of the present invention obtains programme information by automatic channel search, according to program and the corresponding mode of file by the virtual file of creating respective program in the Virtual File System described in the system of the present invention, to the description of program file assignment on demand, for example: the description to the program file size can maximize as much as possible in the listed files of Virtual File System.
3, only there is the descriptor by the demand structure in the virtual file of being created in listed files, and in system of the present invention, there is not real program content data, the transport stream buffer area of only preserving the configuration information of corresponding program and creating according to demand (size, what can select different schemes according to demand) then is the files in stream media of some super larges at these files of media interviews equipment;
4, when system identification of the present invention when media interviews equipment will be visited the concrete programme content of certain program file, then the transport stream that broadcast medium receiver module 10 receives corresponding program can be set according to the configuration information of the corresponding program of having preserved, by data management module 20 transport stream be returned to media interviews equipment by the needs of media interviews device data request simultaneously;
5, there is different complexities in system of the present invention at different demand layers on data management module, can expand various functions and effect, such as correcting data error, jump etc.;
6, the form of Virtual File System 30 uses can be selected as far as possible and can be satisfied the form of system requirements of the present invention simultaneously again more easily by multiple systems platform compatibility, also can pass through the more compatible multiple file system format of complication system.
Claims (7)
1. the method with virtual file form visit broadcast medium is characterized in that, comprising:
In the Virtual File System of medium receiving equipment, set up and a plurality of one to one virtual files of each broadcast media sources in the listed files mode;
Media interviews equipment is selected to play one of them virtual file from listed files, utilizes the parameter of the descriptor configuration broadcast medium receiver module of this virtual file, and the broadcast medium receiver module obtains broadcast media sources and is treated to transport stream;
Virtual File System sends to media interviews equipment with the transport stream in the described virtual file, carries out playback process by media interviews equipment by DST PLAYER;
Wherein, medium receiving equipment and media interviews equipment use the movable storage device driver in the media interviews equipment to carry out data interaction.
2. according to the described method of claim 1, it is characterized in that the step that described broadcast medium receiver module obtains broadcast media sources comprises with virtual file form visit broadcast medium:
Parameter according to configuration receives the broadcast television signal of certain frequency, and broadcast television signal is switched to intermediate-freuqncy signal;
The intermediate-freuqncy signal conciliation is processed into transport stream.
3. according to the described method of claim 2, it is characterized in that, also comprise step: transport stream is made scramble process with virtual file form visit broadcast medium.
4. system with virtual file form visit broadcast medium, it is characterized in that, this system comprises: medium receiving equipment, media interviews equipment, and this medium receiving equipment uses the movable storage device driver in the media interviews equipment to carry out data interaction when communicating by letter with media interviews equipment; Wherein, this medium receiving equipment comprises:
Virtual File System, be used for the medium receiving equipment being invented a movable storage device, set up and a plurality of one to one virtual files of each broadcast media sources in the listed files mode by monitoring management to medium receiving equipment and media interviews devices communicating data;
The broadcast medium receiver module is used to obtain broadcast media sources and is treated to transport stream;
Data management module is used for carrying out data communication with media interviews equipment;
When media interviews equipment selects to play one of them virtual file from listed files, utilize the parameter of the descriptor configuration broadcast medium receiver module of this virtual file by data management module control, obtain broadcast media sources and be treated to transport stream by the broadcast medium receiver module, and the transport stream in the described virtual file is sent to media interviews equipment by Virtual File System.
5. according to the described system of claim 4, it is characterized in that described broadcast medium receiver module comprises with virtual file form visit broadcast medium:
The broadcast television signal that is used for receiving switches to the tuner of intermediate-freuqncy signal;
Be used for the intermediate-freuqncy signal of tuner output is made to reconcile the demodulator of handling, its output transport stream.
6. according to the described system of claim 5 with virtual file form visit broadcast medium, it is characterized in that, described broadcast medium receiver module also comprises: the Conditional Access Module that is connected the demodulator output, be used for transport stream is carried out scramble process, the transport stream behind the descrambling is imported data management module into.
7. according to the described system of claim 4, it is characterized in that described data management module comprises with virtual file form visit broadcast medium:
The bit stream data administrative unit is used for control the broadcast medium receiver module is carried out parameter configuration, and control deposits the transport stream of broadcast medium receiver module output to corresponding virtual file;
The communication data administrative unit is used for understanding the media interviews request according to the communication mode of standard movable storage device and media interviews equipment, carries out data communication by demand and media interviews equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010585345XA CN102104805A (en) | 2010-12-10 | 2010-12-10 | System and method for accessing broadcast media in form of virtual file |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010585345XA CN102104805A (en) | 2010-12-10 | 2010-12-10 | System and method for accessing broadcast media in form of virtual file |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106164905A (en) * | 2014-03-07 | 2016-11-23 | 远程媒体有限责任公司 | There is Virtual File System and the method for two-way media file synchronization |
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| CN1674664A (en) * | 2004-03-22 | 2005-09-28 | Lg电子有限公司 | Method and apparatus for editing recorded program using virtual file system and file structure |
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| US20090316776A1 (en) * | 2008-06-20 | 2009-12-24 | Dreamer | Method for providing channel service |
| US20100046925A1 (en) * | 2006-12-05 | 2010-02-25 | Mitsubishi Electric Corporation | Video/audio playback apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1674664A (en) * | 2004-03-22 | 2005-09-28 | Lg电子有限公司 | Method and apparatus for editing recorded program using virtual file system and file structure |
| CN101005562A (en) * | 2006-07-07 | 2007-07-25 | 天栢宽带网络科技（上海）有限公司 | System for one set-top box to provide multiple display terminal receiving TV |
| US20100046925A1 (en) * | 2006-12-05 | 2010-02-25 | Mitsubishi Electric Corporation | Video/audio playback apparatus |
| US20090316776A1 (en) * | 2008-06-20 | 2009-12-24 | Dreamer | Method for providing channel service |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106164905A (en) * | 2014-03-07 | 2016-11-23 | 远程媒体有限责任公司 | There is Virtual File System and the method for two-way media file synchronization |
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Application publication date: 20110622 |