CN106937068A - A kind of Set Top Box video recording system and method - Google Patents
A kind of Set Top Box video recording system and method Download PDFInfo
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- CN106937068A CN106937068A CN201710077893.3A CN201710077893A CN106937068A CN 106937068 A CN106937068 A CN 106937068A CN 201710077893 A CN201710077893 A CN 201710077893A CN 106937068 A CN106937068 A CN 106937068A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42692—Internal components of the client ; Characteristics thereof for reading from or writing on a volatile storage medium, e.g. Random Access Memory [RAM]
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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
- H04N21/4334—Recording operations
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440236—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by media transcoding, e.g. video is transformed into a slideshow of still pictures, audio is converted into text
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention provides a kind of Set Top Box video recording system, including power module, the power module connects main control module, the main control module connection user instruction acquisition module, tuner demodulation and demultiplexing module, memory module and composite video and component output module, HDMI output modules；The main control module is provided with multi-path choice unit, programmable coffret unit, the codec unit being sequentially connected, and the multi-path choice unit connects the tuner demodulation and demultiplexing module, is additionally provided with buffer unit and clock control cell in piece；The programmable coffret unit connects buffer unit and clock control cell in the user instruction acquisition module, piece.Accordingly, present invention also offers a kind of Set Top Box kinescope method.Implement a kind of Set Top Box video recording system and method that the present invention is provided, user can realize instantaneous recording, timing video recording, subscription and video recording, mobile storage and the playback of corresponding video program to selecting program.
Description
Technical field
The present invention relates to set-top box technique field, more particularly to a kind of Set Top Box video recording system and method.
Background technology
Used as a kind of user terminal and the network terminal, it can make simulated television receive simulation electricity from passive to top box of digital machine
Depending on turning to interactive digital TV (such as video request program), and internet can be accessed, user is enjoyed TV, data, language etc.
Comprehensive information service.At present, it is believed that Set Top Box is used only to make TV interconnection plane, this is the mistake in a kind of understanding
Area.In fact, top box of digital machine is to walk popularizing one of forming member of broadband integration information network before digital television.Number
The development of word technology, multimedia technology and network technology, will promote the built-in and whole cost of top box of digital machine to decline, and allow most of
User realizes various services such as amusement, online on general analog television machine.
With comprehensive popularization of DTV STB, digital television program has come into the visual field of people.User exists
In watching process, the TV programme liked can be collected, it is convenient to check later, but the later stage checks and is also limited on the TV, such as
Fruit user wants that the program is watched on mobile device or other equipment cannot then be realized.Although current Set Top Box has been able to realize
The functions such as intelligence playback, but the current still complete technology of neither one, can realize that the instantaneous recording of program, timing are recorded a video and pre-
About video recording etc., or program selections are recorded in mobile storage such as mobile hard disk or USB flash disk download to different terminals storing
For users to use.
The content of the invention
The present invention provides a kind of Set Top Box video recording system and method, solves the extension storage mould on Set Top Box main control module
Block simultaneously realizes the instantaneous recording of the selected program of user, timing video recording, subscription and video recording, removable Storage by clock control module
And the technical problem of the playback operation of corresponding video program.
To solve above technical problem, the present invention provides a kind of Set Top Box video recording system, including power module, the power supply
Module connects main control module, the main control module connection user instruction acquisition module, tuner demodulation and demultiplexing module, storage
Module and composite video and component output module, HDMI output modules；
The main control module is provided with multi-path choice unit, programmable coffret unit, the codec unit being sequentially connected,
The multi-path choice unit connects the tuner demodulation and demultiplexing module, and the programmable coffret unit connection is described
User instruction acquisition module；It is additionally provided with buffer unit and clock control list in the piece for connecting the programmable coffret unit
Unit；Described interior buffer unit connection set-top box memory, the set-top box memory connects external memorizer, the Set Top Box
Memory constitutes the memory module with external memorizer；Codec unit connection composite video and component output module,
HDMI output modules, the composite video and component output module, HDMI output modules connect the memory module respectively；
The user instruction acquisition module is used to obtaining and parsing the video recording behaviour that user treats video program and broadcasting program
Make and play operation, generate corresponding video recording instruction and play instruction and be sent to the main control module；
Tuner demodulation and demultiplexing module be used for it is described treat video program, the program TS streams of broadcasting program are carried out
Receive, demodulate and send TS bags to the main control module after demultiplexing；
The video recording that the multi-path choice unit of the main control module is used to receive and parse through the user instruction acquisition module refers to
Order and play instruction, and the TS bags of the video recording instruction for obtaining and play instruction are entered into row of channels gating output respective channel
TS bags；
The programmable coffret unit of the main control module is used to for the TS bags of the respective channel of input to carry out program choosing
It is logical, and the TS bags for treating video program are stored in described interior buffer unit, then described depositing is sent to by buffer unit in piece
Storage module；It is additionally operable to for the TS bags of the broadcasting program to be sent to the codec unit；
The codec unit of the main control module is used to export corresponding TS after carrying out audio/video decoding to the TS bags for obtaining
Decoding flows to composite video and component output module, HDMI output modules；
The composite video and component output module, HDMI output modules are used to receive and parse through the TS decoded streams and turn
Turn to corresponding composite video output, component output and HDMI outputs.
The clock control cell is used to control the recording time and reproduction time treated video program and play program.
Further, it is described to treat that video program turns into the video program for supplying playback in being stored in the memory module；
The user instruction acquisition module is additionally operable to obtain and parse playback operation of the user to the video program, generation
Corresponding play-back command is simultaneously sent to the main control module；
The multi-path choice unit of the main control module is additionally operable to receive and parse through the user instruction acquisition module and play back refer to
Order, and the TS bags of the play-back command in the memory module that will be transferred enter the TS bags that row of channels gating exports respective channel；
The programmable coffret unit of the main control module is additionally operable to for the TS bags of the video program to carry out program choosing
It is logical, and corresponding TS bags are sent to the codec unit；
The TS bags that the codec unit of the main control module is obtained including the video program carry out program gating after
TS bags；
The clock control cell is additionally operable to control the playback duration of the video program.
Specifically, the external memorizer includes at least one of USB flash disk or hard disk.
Specifically, it is described to treat that video program is same program or different programs from program is played.
Specifically, the multi-path choice unit includes at least this three paths of first passage, second channel and third channel；
The first passage corresponds to the broadcasting passage of the broadcasting program, and the second channel corresponds to the record for treating video program
As passage, the third channel corresponds to the playback channels of the video program.
The present invention also provides a kind of Set Top Box kinescope method, comprises the following steps：
S1. the user instruction acquisition module is obtained and parses user and treats video program and play the video recording operation of program
And play operation, generate corresponding video recording instruction, play instruction and be sent to the main control module；
S2. the multi-path choice unit of the main control module receives and parses through the video recording instruction of the user instruction acquisition module
And play instruction, and the TS bags for obtaining are entered the TS bags of row of channels gating output respective channel；
S3. the TS bags of respective channel of the programmable coffret unit of the main control module by input carry out program choosing
It is logical, and the TS bags for treating video program are stored in described interior buffer unit, then described depositing is sent to by buffer unit in piece
Storage module；The TS bags of the broadcasting program are also sent to the codec unit；
S4. the memory module is stored in the TS bags for treating video program, described to treat that video program is stored in the storage mould
Turn into the video program for playback in block；After the codec unit of the main control module carries out audio/video decoding to the TS bags for obtaining
Export corresponding TS decodings and flow to composite video and component output module, HDMI output modules；
S5. the composite video and component output module, HDMI output modules receive and parse through the TS decoded streams and turn
Turn to corresponding composite video output, component output and HDMI outputs.
Further, before the step S1, also including following operation：The external memorizer is connected to the master control
Module, corresponding recorded video function is made on set-top box software and is supported, user treats by described in set-top box software selection
The recording of video program and the broadcasting of the broadcasting program.
Further, when the playback of the video program during user selects the step S4 by the set-top box software,
It is further comprising the steps of：
S1. the user instruction acquisition module is obtained and parses playback operation of the user to the video program, and it is right to generate
The play-back command answered simultaneously is sent to the main control module；
S2. the multi-path choice unit of the main control module receives and parses through the user instruction acquisition module play-back command,
And the TS bags of the play-back command in the memory module that will be transferred enter the TS bags of row of channels gating output respective channel；
S3. the TS bags of the video program are carried out program gating by the programmable coffret unit of the main control module,
And corresponding TS bags are sent to the codec unit；
S4. the main control module codec unit obtain TS bags including the video program carry out program gating after
TS bags；
S5. the codec unit of the main control module exports corresponding TS solutions after audio/video decoding is carried out to the TS bags for obtaining
Code stream is to composite video and component output module, HDMI output modules；
S6. the composite video and component output module, HDMI output modules receive and parse through the TS decoded streams and turn
Turn to corresponding composite video output, component output and HDMI outputs.
Further, it is described to treat video program and play the recording time and reproduction time and the video program of program
Playback duration selected by the set-top box software according to user and controlled by the clock control cell.
Further, the clock control cell is always according to the instant record that video program is treated described in user's selection control
Picture, timing video recording and subscription and video recording.
A kind of Set Top Box video recording system and method that the present invention is provided, memory module is extended on Set Top Box main control module
And clock control module is combined, user can realize instantaneous recording, timing video recording, subscription and video recording, mobile storage to selected program
And the playback of corresponding video program etc., and the multi-path choice unit multichannel also ensure that prerecording program with
Current positive the not interfereing with each other property for playing program, the mobile storage such as recording program on mobile hard disk or USB flash disk also is available for user's download
To different terminals for using, user is brought brand-new intelligence experience.
Brief description of the drawings
Fig. 1 is a kind of function structure chart of Set Top Box video recording system provided in an embodiment of the present invention；
Fig. 2 is a kind of fundamental diagram of the multi-path choice unit of Set Top Box video recording system provided in an embodiment of the present invention；
The step of Fig. 3 is a kind of Set Top Box kinescope method provided in an embodiment of the present invention flow chart；
Fig. 4 is a kind of replay procedure flow to video program of Set Top Box kinescope method provided in an embodiment of the present invention
Figure.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.It is only below preferred embodiment, does not constitute limiting the scope of the invention.
Referring to Fig. 1, a kind of function structure chart of Set Top Box video recording system provided in an embodiment of the present invention.In the present embodiment
In, a kind of described Set Top Box video recording system, including power module 10, the power module 10 connects main control module 20, described
Connection user instruction acquisition module 30, the tuner demodulation of main control module 20 and demultiplexing module 40, memory module 50 and being combined is regarded
Frequency and component output module 60, HDMI output modules 70；
The main control module 20 is provided with multi-path choice unit 21, programmable coffret unit 22, the volume solution being sequentially connected
Code unit 23, the multi-path choice unit 21 connects the tuner demodulation and demultiplexing module 40, and the programmable transmission connects
Mouth unit 22 connects the user instruction acquisition module 30；It is additionally provided with the piece for connecting the programmable coffret unit 22 and delays
Memory cell 24 and clock control cell 25；Described interior buffer unit 24 connects set-top box memory 51, the Set Top Box storage
Device 51 connects external memorizer 52, and the set-top box memory 51 constitutes the memory module 50 with external memorizer 52；It is described
Codec unit 23 connects composite video and component output module 60, HDMI output modules 70, and the composite video and component are defeated
Go out module 60, HDMI output modules 70 and connect the memory module 50 respectively, mainly connect the machine in the memory module 50
Top box memory 51；
The user instruction acquisition module 30 is used to obtaining and parsing the record that user treats video program A and broadcasting program B
As operation and play operation, generate corresponding video recording instruction and play instruction and be sent to the main control module 20；
The tuner demodulation is used for the program TS streams treated video program A, play program B with demultiplexing module 40
Received, demodulated and sent TS bags to the main control module 20 after being demultiplexed；
The multi-path choice unit 21 of the main control module 20 is used to receive and parse through the user instruction acquisition module 30
Video recording instruction and play instruction, and the TS bags of the video recording instruction for obtaining and play instruction are entered into row of channels gating output correspondence
The TS bags of passage；
The programmable coffret unit 22 of the main control module 20 is used to be saved the TS bags of the respective channel of input
Mesh is gated, and the TS bags for treating video program A are stored in into described interior buffer unit 24, then is sent by buffer unit in piece 24
To the set-top box memory 51 in the memory module 50；It is additionally operable to for the TS bags of the broadcasting program B to be sent to the volume solution
Code unit 23；
The codec unit 23 of the main control module 20 is used to export correspondence after carrying out audio/video decoding to the TS bags for obtaining
TS decoding flow to composite video and component output module 60, HDMI output modules 70；
The composite video and component output module 60, HDMI output modules 70 are used to receive and parse through the TS decoded streams
And it is converted into corresponding composite video output, component output and HDMI outputs, either simulated television or digital television
Can be used.
The clock control cell 25 is used to control recording time and the broadcasting for treating video program A and broadcasting program B
Time.
It is pointed out that described treat that video program A turns into the video program for supplying playback in being stored in the memory module 50
C；
The user instruction acquisition module 30 is additionally operable to obtain and parse playback operation of the user to the video program C,
Generate corresponding play-back command and be sent to the main control module 20；
The multi-path choice unit 21 of the main control module 20 is additionally operable to receive and parse through the user instruction acquisition module 30
Play-back command, and the play-back command in the memory module 50 that will be transferred TS bags enter row of channels gating output respective channel
TS bags；
The programmable coffret unit 22 of the main control module 20 is additionally operable to be saved the TS bags of the video program C
Mesh is gated, and corresponding TS bags are sent into the codec unit 23；
The TS bags that the codec unit 23 of the main control module 20 is obtained include that the video program C's carries out program gating
TS bags afterwards；
The clock control cell 25 is additionally operable to control the playback duration of the video program C.
The external memorizer 52 includes at least one of USB flash disk or hard disk, the preferred mobile hard disk of hard disk, the U
Disk or mobile hard disk can connect one of those or two connections (having depended on whether multiple memory interfaces) simultaneously, and user is to U
Video program C in disk or mobile hard disk can be moved or read operation, facilitate user to check.
In the present embodiment, the multi-path choice unit 21 includes at least first passage R1, second channel R2 and threeway
Road R3 this three paths；The first passage R1 correspond to the broadcasting program B (if to be recorded a video to playing program,
Also be and treat video program A) broadcasting passage, the second channel R2 corresponds to the recording channel for treating video program A, institute
State playback channels of the third channel R3 corresponding to the video program C.
In order to make it easy to understand, being a kind of multi-path choice of Set Top Box video recording system provided in an embodiment of the present invention referring to Fig. 2
The fundamental diagram of unit 21.In fig. 2, in the case of normal viewing program, the tuner is demodulated and demultiplexing module
The program TS bags (playing program B) that user is chosen are obtained after 40 demultiplexings, the program TS bags pass through first passage R1 simultaneously
The decoder element and external memory storage are reached with second channel R2, decoding is carried out respectively and is broadcasted and time shift storage.Work as user
Suspended, retreated, the operation such as slow play when, shifting state when Set Top Box enters, first passage R1 cut-outs, decoder passes through threeway
Road R3 obtains the program TS bags and carries out decoding output from hard disk, and second channel R2 still keeps working condition.When user's selection
To described when video program A (can play program B or other programs) carries out video recording operation, it is sent to by second channel R2
The data storage of hard disk or USB flash disk is in specified video file, but the program TS bags of its current output (correspond to and play program
B first passage R1) is still come from.And when carrying out recording the programme replay of program C when playing and having recorded program, first passage
R1 is disconnected, and third channel R3 is connected, and now second channel R2 is also what is disconnected, because generally recording the playback of program C
Played with program request to be carried out simultaneously.
Exactly because the multichannel gated nature of the multi-path choice unit 21, and the programmable coffret unit 22
Polymera gated nature, it is described to treat video program A and play program B to be same program or different programs, treat video program A and record
As program C can also for same program or different programs (but during for same program, it is impossible to while being recorded and being played back behaviour
Make, other videos for the program for recording can be played back when the program is recorded), and do not interfere with each other each other, i.e.,
It is that, when user is when certain program is watched, selective recording can be carried out to the program, can also carries out selectivity to other programs
Recording, while during recording, user can at any time change other programs or select to have recorded from memory module 50
The program for completing is made to be watched.Generally, the recording operation process of user does not interfere with the sight of user regarding effect.Work as recording
After the completion of, all of record program information (content, length, code check, addition time including program etc.) can be set by display
Standby to be listed in the form of OSD menu (screen menu type), user selects certain program (to treat that video program A is recorded by remote control
After the completion of video program C in) click on play, realize playback.
Corresponding with a kind of Set Top Box video recording system provided in an embodiment of the present invention to be, the present invention also provides a kind of Set Top Box
Kinescope method, referring to Fig. 3, flow chart the step of be a kind of Set Top Box kinescope method provided in an embodiment of the present invention is specifically included
Following steps：
S1. the user instruction acquisition module 30 is obtained and parses user and treats video program A and play the video recording of program B
Operation and play operation, generate corresponding video recording instruction, play instruction and are sent to the main control module 20；
S2. the multi-path choice unit 21 of the main control module 20 receives and parses through the record of the user instruction acquisition module 30
As instruction and play instruction, and the TS bags for obtaining are entered the TS bags of row of channels gating output respective channel；
S3. the TS bags of respective channel of the programmable coffret unit 22 of the main control module 20 by input carry out program
Gating, and the TS bags for treating video program A are stored in described interior buffer unit 24, then be sent to by buffer unit in piece 24
The memory module 50；The TS bags of the broadcasting program B are also sent to the codec unit 23；
S4. the memory module 50 is stored in the TS bags for treating video program A, described to treat that video program A is stored in described depositing
Turn into the video program C for playback in storage module 50；The TS bags of 23 pairs of acquisitions of codec unit of the main control module 20 are carried out
Corresponding TS decodings are exported after audio/video decoding and flows to composite video and component output module 60, HDMI output modules 70；
S5. the composite video and component output module 60, HDMI output modules 70 receive and parse through the TS decoded streams
And it is converted into corresponding composite video output, component output and HDMI outputs.
Before performance recording is carried out, i.e., before the step S1, it is necessary to including following operation：By the external memorizer
52 are connected to the main control module 20, corresponding recorded video function is made on set-top box software and is supported.After these are completed, use
The recording of video program A and the broadcasting of the broadcasting program B are treated by described in set-top box software selection in family.When in described
When buffer unit 24 there are TS bags to receive, software section is notified by driver, be responsible in buffer unit in piece 24 by software
TS packet replications in set-top box memory 51, once for the region (64KB) that disk read-write is opened up is filled in set-top box memory 51
Man Hou, TS bags are written on hard disk from set-top box memory 51, complete to record.
After the completion of recording, in addition it is also necessary to played back to recording program, user selects described by the set-top box software
During the playback of the video program C in step S4, referring to Fig. 4, a kind of Set Top Box kinescope method provided in an embodiment of the present invention it is right
The step of playing back video program C flow chart, specifically includes following steps：
S1. the user instruction acquisition module 30 is obtained and parses playback operation of the user to the video program C, generation
Corresponding play-back command is simultaneously sent to the main control module 20；
S2. the multi-path choice unit 21 of the main control module 20 receives and parses through the user instruction acquisition module 30 and plays back
Instruction, and the TS bags of the play-back command in the memory module 50 that will be transferred enter the TS that row of channels gating exports respective channel
Bag；
S3. the TS bags of the video program C are carried out program by the programmable coffret unit 22 of the main control module 20
Gating, and corresponding TS bags are sent to the codec unit 23；
S4. the TS bags that the codec unit 23 of the main control module 20 is obtained include that the video program C's carries out program
TS bags after gating；
S5. the TS bags of 23 pairs of acquisitions of the codec unit of the main control module 20 export corresponding after carrying out audio/video decoding
TS decodings flow to composite video and component output module 60, HDMI output modules 70；
S6. the composite video and component output module 60, HDMI output modules 70 receive and parse through the TS decoded streams
And it is converted into corresponding composite video output, component output and HDMI outputs.
Briefly, it is：After playback program is selected, corresponding program TS in such as mobile hard disk of external memorizer 52 is read
Bag, in putting it into the set-top box memory 51；When the set-top box memory 51 has TS bags to receive, by driver
Software section is notified, is responsible for for the TS bags in set-top box memory 51 being sent to multi-path choice unit 21 by software, enter row of channels
The operations such as solution multiple connection are carried out to it by the programmable coffret unit 22 after gating；Video, audio stream that solution multiple connection is obtained
The codec unit 23 is transferred to be decoded.Although the process of programme replay and performance recording some contraries, not exclusively it is
The inverse process of performance recording.
In the present embodiment, the recording time and reproduction time and the video recording treated video program A and play program B
The playback duration of program C is selected by the set-top box software according to user and controlled by the clock control cell 25；It is described
Clock control cell 25 is always according to instantaneous recording, timing video recording and the subscription and video recording that video program A is treated described in user's selection control.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of Set Top Box video recording system, including power module, it is characterised in that the power module connects main control module, institute
State main control module connection user instruction acquisition module, tuner demodulation and demultiplexing module, memory module and composite video and point
Amount output module, HDMI output modules；
The main control module is provided with multi-path choice unit, programmable coffret unit, the codec unit being sequentially connected, described
Multi-path choice unit connects the tuner demodulation and demultiplexing module, and the programmable coffret unit connects the user
Instruction acquisition module；It is additionally provided with buffer unit and clock control cell in the piece for connecting the programmable coffret unit；Institute
Buffer unit connection set-top box memory in piece is stated, the set-top box memory connects external memorizer, the Set Top Box storage
Device constitutes the memory module with external memorizer；The codec unit connects composite video and component output module, HDMI
Output module, the composite video and component output module, HDMI output modules connect the memory module respectively；
The user instruction acquisition module be used for obtain and parse user treat video program with play program video recording operation and
Play operation, generates corresponding video recording instruction and play instruction and is sent to the main control module；
Tuner demodulation and demultiplexing module be used for it is described treat video program, the program TS streams of broadcasting program connect
Receive, demodulate and send TS bags to the main control module after demultiplexing；
The multi-path choice unit of the main control module be used for receive and parse through the user instruction acquisition module video recording instruction and
Play instruction, and the TS bags of the video recording instruction for obtaining and play instruction are entered the TS of row of channels gating output respective channel
Bag；
The programmable coffret unit of the main control module is used to for the TS bags of the respective channel of input to carry out program gating, and
The TS bags for treating video program are stored in described interior buffer unit, then the storage mould is sent to by buffer unit in piece
Block；It is additionally operable to for the TS bags of the broadcasting program to be sent to the codec unit；
The codec unit of the main control module is used to export corresponding TS decodings after carrying out the TS bags for obtaining audio/video decoding
Flow to composite video and component output module, HDMI output modules；
The composite video and component output module, HDMI output modules are used to receive and parse through the TS decoded streams and be converted into
Corresponding composite video output, component output and HDMI outputs.
The clock control cell is used to control the recording time and reproduction time treated video program and play program.
2. a kind of Set Top Box video recording system as claimed in claim 1, it is characterised in that：
It is described to treat that video program turns into the video program for supplying playback in being stored in the memory module；
The user instruction acquisition module is additionally operable to obtain and parse playback operation of the user to the video program, generation correspondence
Play-back command and be sent to the main control module；
The multi-path choice unit of the main control module is additionally operable to receive and parse through the user instruction acquisition module play-back command, and
The TS bags of the play-back command in the memory module that will be transferred enter the TS bags of row of channels gating output respective channel；
The programmable coffret unit of the main control module is additionally operable to for the TS bags of the video program to carry out program gating, and
Corresponding TS bags are sent to the codec unit；
The TS bags that the codec unit of the main control module is obtained include the TS bags carried out after program gating of the video program；
The clock control cell is additionally operable to control the playback duration of the video program.
3. a kind of Set Top Box video recording system as claimed in claim 1, it is characterised in that：The external memorizer include USB flash disk or
At least one of hard disk.
4. a kind of Set Top Box video recording system as claimed in claim 1, it is characterised in that：It is described to treat video program and play program
It is same program or different programs.
5. a kind of Set Top Box video recording system as claimed in claim 1 or 2, it is characterised in that：The multi-path choice unit includes
At least this three paths of first passage, second channel and third channel；The first passage corresponds to broadcasting for the broadcasting program
Passage is put, the second channel corresponds to the recording channel for treating video program, and the third channel corresponds to the video recording
The playback channels of program.
6. a kind of Set Top Box kinescope method, it is characterised in that comprise the following steps：
S1. the user instruction acquisition module is obtained and parses user and treats the video recording operation of video program and broadcasting program and broadcast
Operation is put, corresponding video recording instruction, play instruction is generated and is sent to the main control module；
S2. the multi-path choice unit of the main control module receives and parses through the video recording instruction of the user instruction acquisition module and broadcasts
Instruction is put, and the TS bags for obtaining are entered the TS bags of row of channels gating output respective channel；
S3. the TS bags of respective channel of the programmable coffret unit of the main control module by input carry out program gating, and
The TS bags for treating video program are stored in described interior buffer unit, then the storage mould is sent to by buffer unit in piece
Block；The TS bags of the broadcasting program are also sent to the codec unit；
S4. the memory module is stored in the TS bags for treating video program, described to treat that video program is stored in the memory module
As the video program for playback；The codec unit of the main control module is exported after audio/video decoding is carried out to the TS bags for obtaining
Corresponding TS decodings flow to composite video and component output module, HDMI output modules；
S5. the composite video and component output module, HDMI output modules receive and parse through the TS decoded streams and are converted into
Corresponding composite video output, component output and HDMI outputs.
7. a kind of Set Top Box kinescope method as claimed in claim 6, it is characterised in that：Before the step S1, also including with
Lower operation：The external memorizer is connected to the main control module, corresponding recorded video function is made on set-top box software
Support, user treats the recording of video program and the broadcasting of the broadcasting program by described in set-top box software selection.
8. a kind of Set Top Box kinescope method as claimed in claims 6 or 7, it is characterised in that when user passes through the Set Top Box
It is further comprising the steps of when software selects the playback of the video program in the step S4：
S1. the user instruction acquisition module is obtained and parses playback operation of the user to the video program, is generated corresponding
Play-back command is simultaneously sent to the main control module；
S2. the multi-path choice unit of the main control module receives and parses through the user instruction acquisition module play-back command, and will
The TS bags of the play-back command in the memory module transferred enter the TS bags of row of channels gating output respective channel；
S3. the TS bags of the video program are carried out program gating by the programmable coffret unit of the main control module, and will
Corresponding TS bags are sent to the codec unit；
S4. the TS bags that the codec unit of the main control module is obtained include the TS carried out after program gating of the video program
Bag；
S5. the codec unit of the main control module exports corresponding TS decoded streams after carrying out audio/video decoding to the TS bags for obtaining
To composite video and component output module, HDMI output modules；
S6. the composite video and component output module, HDMI output modules receive and parse through the TS decoded streams and are converted into
Corresponding composite video output, component output and HDMI outputs.
9. a kind of Set Top Box kinescope method as claimed in claim 8, it is characterised in that：It is described to treat video program and play program
Recording time and reproduction time and the video program playback duration according to user by the set-top box software select simultaneously
Controlled by the clock control cell.
10. a kind of Set Top Box kinescope method as claimed in claim 9, it is characterised in that：The clock control cell always according to
Instantaneous recording, timing video recording and the subscription and video recording of video program are treated described in user's selection control.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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