CN105812687A - Video controller - Google Patents
Video controller Download PDFInfo
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- CN105812687A CN105812687A CN201610143043.4A CN201610143043A CN105812687A CN 105812687 A CN105812687 A CN 105812687A CN 201610143043 A CN201610143043 A CN 201610143043A CN 105812687 A CN105812687 A CN 105812687A
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- video source
- video
- processor
- controller
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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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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
- H04N21/47—End-user applications
Abstract
The invention relates to a video controller which comprises a microprocessor, a display screen used for man-machine interaction and a video processor chip. The microprocessor is electrically connected with the display screen used for man-machine interaction and the video processor chip and is used for selecting a video source to be processed for the video processor chip. In addition, the video controller further comprises a video source processor, wherein the video source processor comprises a file system model, a video source input module, a video source processing module and an output module. In this way, the video controller can utilize an external memory connected by an external memory interface or an internal memory to store the video sources and/or program lists to be played, and the playing of the target video source is realized. According to the invention, the video controller has the advantages that the carrying and storage are convenient, some video interfaces are saved under the same environment, and the cost performance of the whole product is improved.
Description
Technical field
The present invention relates to video and control technical field, particularly relate to a kind of Video Controller.
Background technology
The source video sequence of the video processor chip in current most of Video Controller all accesses from computer, DVD or video camera etc., therefore 1 is had the disadvantage in that) carry, store inconvenience, and increase the cost of whole product self and the cost of transport, storage；And 2) in-convenience in use, user has during the demand of Switch Video or picture in the process used needs manually to go the source of cutting.Wherein, existing Video Controller typically comprises single-chip microcomputer, man-machine interaction LCDs and video processor chip (such as STDP8028 chip), single-chip microcomputer electrically connects described man-machine interaction LCDs and described video processor chip, and single-chip microcomputer is additionally operable to select video source to be processed into video processor chip.
Summary of the invention
Therefore, for overcoming shortcoming and defect of the prior art, the present invention proposes the Video Controller of a kind of improvement.
Specifically, a kind of Video Controller that the embodiment of the present invention proposes, including microprocessor, man-machine interaction display screen and video processor chip, described microprocessor electrically connects described man-machine interaction display screen and described video processor chip and described microprocessor for selecting video source to be processed for described video processor chip.Furthermore, described Video Controller also includes video source processor.Wherein, described video source processor includes: file system module, for accepting to obtain in described target memory the mark of video source of storage from target memory from the control command of described microprocessor and deliver to described microprocessor, for described microprocessor, the mark of acquired video source delivered to described man-machine interaction display screen and display and select target video source for user and then trigger described microprocessor and produce video source and select order；Video source input module, select order for receiving described video source and deliver to described file system module, to be selected order obtain target video source from described target memory and provide to described video source input module by described file system module according to described video source；Video source processing module, obtains processing rear video source for the target video source from described video source input module is decoded and is processed；Output module, uses for described video processor chip for being exported in the process rear video source from described video source processing module.
In addition, a kind of Video Controller that another embodiment of the present invention provides, including microprocessor, man-machine interaction display screen and video processor chip, described microprocessor electrically connects described man-machine interaction display screen and described video processor chip and described microprocessor for selecting video source to be processed for described video processor chip.Furthermore, described Video Controller also includes video source processor.Wherein, described video source processor includes: file system module, from target memory, obtain programme for the control command accepted from described microprocessor and deliver to described microprocessor, parse the video source playing sequence specified in described programme for described microprocessor and then trigger the generation video source selection order of described microprocessor；Video source input module, select order for receiving described video source and deliver to described file system module, to be selected order obtain target video source from described target memory and provide to described video source input module by described file system module according to described video source；Video source processing module, obtains processing rear video source for the target video source from described video source input module is decoded and is processed；Output module, uses for described video processor chip for being exported in the process rear video source from described video source processing module.
From the foregoing, it will be observed that the embodiment of the present invention can have the advantage that a) carry, convenient storage, simultaneously can save some video interfaces under same environment, improve the cost performance of whole product；And b) easy to use, user is after having stored video and having editted programme, and Video Controller just can be play according to predetermined content and order, needs manually to go, without in the process used, the source of cutting.
By the detailed description below with reference to accompanying drawing, other side and the feature of the present invention become apparent upon.It is understood that this accompanying drawing is only the purpose design of explanation, not as the restriction of the scope of the present invention.It should also be noted that unless otherwise noted, it is not necessary to scale accompanying drawing, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the structural representation of a kind of Video Controller that first embodiment of the invention proposes.
Fig. 2 is the structural representation of a kind of Video Controller that second embodiment of the invention proposes.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
[first embodiment]
First embodiment of the invention is newly-increased external memory interface and video source processor on Video Controller mainly, thus supporting external memorizer, plays the video source of storage in external memorizer；Video source herein can be dynamic image file, it is also possible to be static image file.
Specifically, refer to Fig. 1, a kind of Video Controller 10 that first embodiment of the invention proposes, comprising: MCU (MicrocontrollerUnit is commonly called as single-chip microcomputer) 11, external memory interface 12, video source processor 13, man-machine interaction display screen 15, video processor chip 17 and sending card logic 19.
Wherein, MCU11 electrically connects video source processor 13, man-machine interaction display screen 15 and video processor chip 17 and for selecting video source to be processed for video processor chip 17；Furthermore, it will be appreciated that MCU31 can also replace to other microprocessors such as arm processor etc..
External memory interface 12 electrically connects video source processor 13 and for electrically connecting external memory storage, and external memory interface 12 herein is such as USB interface, such that it is able to for electrically connecting the storage device with USB interface such as USB flash disk 100 grade.
Video source processor 13 includes file system module 132, video source input module 134, video source processing module 136 and output module 138.
Man-machine interaction display screen 15 is such as single colour liquid crystal display, naturally it is also possible to be chromatic liquid crystal screen or other types display screen.
Video processor chip 17 is such as STDP8028 chip or other video processor chip such as FLI32626 chip etc..Video processor chip 17 also electrically connects video source processor 13 further, to receive the video source from video source processor 13 output under the control of MCU11；Certainly, video processor chip 17 can also receive the video source of other video source input interfaces from Video Controller 10 under the control of MCU11.
Sending card logic 19 electrically connects video processor chip 17, it electrically connects with video processor chip 17 formation preferably by PCB trace (namely printed circuit board (PCB) cabling), for instance sending card logic 19 and video processor chip are arranged on same circuit board.More specifically, sending card logic 19 such as includes PLD (being such as FPGA), network transmission module and multi-path network port (such as two-way network interface or more multi-path network port), PLD is sent by network transmission module and network interface with the video source after obtaining the process of video processor chip 17 output and after carrying out process accordingly by PCB trace electrical connection video processor chip 17, is received via receiving card for LED display and shows；Additionally, preferably by parallel TTL format transmission vedio data between PLD and video processor chip 17.Herein it is understood that sending card logic 19 can also be arranged independent of Video Controller 10, but not it is incorporated in Video Controller 10；This is because sending card logic 19 be disposed to be easy to Video Controller 10 for LED display provide video playback.
In conjunction with Fig. 1, a kind of work process of the Video Controller 10 of first embodiment of the invention will be described in detail for external memory storage for USB flash disk 100 below:
First the video source to play all is stored to USB flash disk 100, then USB flash disk 100 is plugged into external memory interface 12.nullAfterwards，The input video source selecting Video Controller 10 current by man-machine interaction is that USB flash disk is play and informed video processor chip 17 by MCU11，At this time MCU11 will produce and transmitting control commands (video source traversal order) is to video source processor 13，Responded the control command from MCU11 by the file system module 132 in video source processor 13 from USB flash disk 100, obtain, by external memory interface 12, the mark such as title in all videos source stored in USB flash disk 100 and feed back to MCU11，By MCU11, the mark of the video source of acquisition is delivered to man-machine interaction display screen 15 to display and select target video source such as to be selected the video source play in current USB flash disk 100 on menu by knob or button for user，And then trigger MCU11 generation video source selection order.Video source processor 13 receives after the video source selection order of MCU11, delivered to file system module 132 by video source input module 134, then responded video source by file system module 132 and select order to obtain target video source offer from USB flash disk 100 to video source input module 134 by external memory interface 12.The content in the target video source of video source input module 134 acquisition it is decoded and does relevant convergent-divergent or image quality parameter adjustment etc. processing to obtain processing rear video source it follows that can be sent to video source processing module 136.Finally, the process rear video source output that video source processing module 136 is obtained by the output module 138 in video source processor 13 uses for video processor chip 17.
Hold above-mentioned, the another kind of work process of the Video Controller 10 of first embodiment of the invention is: except storing the video source all play in USB flash disk 100, also storage has programme simultaneously, thus using USB flash disk 100 as the input video source of Video Controller 10 when, video source content that Video Controller 10 is play and order are just according to predetermined playing in programme.nullMore specifically，After storage has the USB flash disk 100 of the video source to play and programme to be plugged into external memory interface 12，Can be that USB flash disk is automatically play and informed video processor chip 17 by MCU11 by the input video source that man-machine interaction selection Video Controller 10 is current，At this time MCU11 will produce and transmitting control commands (programme obtain order) is to video source processor 13，Responded, by the file system module 132 in video source processor 13, the programme that the control command from MCU11 obtains in USB flash disk 100 storage by external memory interface 12 from USB flash disk 100 and feed back to MCU11，Parsed the video source playing sequence specified in programme again by MCU11 and then trigger MCU11 generation video source selection order (for selecting the video source currently play)；Certainly, the content of programme can also be delivered to man-machine interaction display screen 15 and displays so that user checks.Video source processor 13 receives after the video source selection order of MCU11, delivered to file system module 132 by video source input module 134, then responded video source by file system module 132 and select order to obtain target video source offer from USB flash disk 100 to video source input module 134 by external memory interface 12.The content in the target video source of video source input module 134 acquisition it is decoded and does relevant convergent-divergent or image quality parameter adjustment etc. processing to obtain processing rear video source it follows that can be sent to video source processing module 136.Finally, the process rear video source output that video source processing module 136 is obtained by the output module 138 in video source processor 13 uses for video processor chip 17.
[the second embodiment]
Second embodiment of the invention mainly increases video source processor newly on Video Controller and a newly-increased internal storage is (certain, if internal storage capacity in Video Controller originally is sufficiently large, internal storage originally can also be used as this newly-increased internal storage), thus user can pass through computer and the video source to play is write in this internal storage, then play the video source in this internal storage；Video source herein can be dynamic image file, it is also possible to be static image file.
Specifically, refer to Fig. 2, a kind of Video Controller 30 that second embodiment of the invention proposes, comprising: MCU31, internal storage 32, video source processor 33, man-machine interaction display screen 35, video processor chip 37 and sending card logic 39.
Wherein, MCU31 electrically connects video source processor 33, man-machine interaction display screen 35 and video processor chip 37 and for selecting video source to be processed for video processor chip 37；Furthermore, it will be appreciated that MCU31 can also replace to other microprocessors such as arm processor etc..
Internal storage 32 electrically connects video source processor 33, and it can be the nonvolatile memories such as Flash, it is also possible to is the volatile memory such as SDRAM.Furthermore, user can pass through PC 300 internally memorizer 32 and carry out data write, for instance write the video source and/or programme to play.
Video source processor 33 includes file system module 332, video source input module 334, video source processing module 336 and output module 338.
Man-machine interaction display screen 35 is such as single colour liquid crystal display, naturally it is also possible to be chromatic liquid crystal screen or other types display screen.
Video processor chip 37 is such as STDP8028 chip or other video processor chip such as FLI32626 chip etc..Video processor chip 37 also electrically connects video source processor 33 further, to receive the video source from video source processor 33 output under the control of MCU31；Certainly, video processor chip 37 can also receive the video source of other video source input interfaces from Video Controller 30 under the control of MCU31.
Sending card logic 39 electrically connects video processor chip 37, it electrically connects with video processor chip 37 formation preferably by PCB trace (namely printed circuit board (PCB) cabling), for instance sending card logic 39 and video processor chip are arranged on same circuit board.More specifically, sending card logic 39 such as includes PLD (such as FPGA), network transmission module and multi-path network port (such as two-way network interface or more multi-path network port), PLD is sent by network transmission module and network interface with the video source after obtaining the process of video processor chip 37 output and after carrying out process accordingly by PCB trace electrical connection video processor chip 37, is received via receiving card for LED display and shows；Additionally, preferably by parallel TTL format transmission vedio data between PLD and video processor chip 37.Herein it is understood that sending card logic 39 can also be arranged independent of Video Controller 30, but not it is incorporated in Video Controller 30；This is because sending card logic 39 be disposed to be easy to Video Controller 30 for LED display provide video playback.
Below in conjunction with Fig. 2, a kind of work process of the Video Controller 30 of second embodiment of the invention is described in detail:
First pass through 300 video source to play of PC all to store to internal storage 32.nullAfterwards，The input video source selecting Video Controller 30 current by man-machine interaction is that internal storage 32 inputs and informed video processor chip 37 by MCU31，At this time MCU31 will produce and transmitting control commands is to video source processor 33，The control command (video source traversal order) responded from MCU31 by the file system module 332 in video source processor 33 obtains the mark such as title in all videos source of storage from internal storage 32 and feeds back to MCU31，By MCU31, the mark of the video source of acquisition is delivered to man-machine interaction display screen 35 to display and select target video source such as to be selected the video source play in current internal memorizer 32 on menu by knob or button for user，And then trigger MCU31 generation video source selection order.Video source processor 33 receives after the video source selection order of MCU31, delivered to file system module 332 by video source input module 334, then responded video source by file system module 332 and select order to obtain target video source offer from internal storage 32 to video source input module 334 by external memory interface 32.The content in the target video source of video source input module 334 acquisition it is decoded and does relevant convergent-divergent or image quality parameter adjustment etc. processing to obtain processing rear video source it follows that can be sent to video source processing module 336.Finally, the process rear video source output that video source processing module 336 is obtained by the output module 338 in video source processor 33 uses for video processor chip 37.
Hold above-mentioned, the another kind of work process of the Video Controller 30 of second embodiment of the invention is: except storing the video source all play in internal storage 32, also storage has programme simultaneously, thus using internal storage 32 as the input video source of Video Controller 30 when, video source content that Video Controller 30 is play and order are just according to predetermined playing in programme.More specifically, after internal storage 32 storage has the video source and programme to play, can be that internal storage 32 is automatically play and informed video processor chip 37 by MCU31 by the input video source that man-machine interaction selection Video Controller 30 is current, at this time MCU31 will produce and transmitting control commands (programme obtain order) is to video source processor 33, responded the control command from MCU31 by the file system module 332 in video source processor 33 from internal storage 32, to obtain the programme of storage feed back to MCU31, parsed the video source playing sequence specified in programme by MCU31 and then trigger MCU31 generation video source selection order (for selecting the video source currently play)；Certainly, the content of programme can also be delivered to man-machine interaction display screen 35 and displays so that user checks.Video source processor 33 receives after the video source selection order of MCU31, delivered to file system module 332 by video source input module 334, then responded video source by file system module 332 and select order to obtain target video source offer from internal storage 32 to video source input module 334.The content in the target video source of video source input module 334 acquisition it is decoded and does relevant convergent-divergent or image quality parameter adjustment etc. processing to obtain processing rear video source it follows that can be sent to video source processing module 336.Finally, the process rear video source output that video source processing module 336 is obtained by the output module 338 in video source processor 33 uses for video processor chip 37.
In sum, the embodiment of the present invention can have the advantage that a) carry, convenient storage, simultaneously can save some video interfaces under same environment, improve the cost performance of whole product；And b) easy to use, user is after having stored video and having editted programme, and Video Controller just can be play according to predetermined content and order, needs manually to go, without in the process used, the source of cutting.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of technical solution of the present invention.
Claims (10)
1. a Video Controller, including microprocessor, man-machine interaction display screen and video processor chip, described microprocessor electrically connects described man-machine interaction display screen and described video processor chip and described microprocessor for selecting video source to be processed for described video processor chip；It is characterized in that, described Video Controller also includes video source processor；Wherein, described video source processor includes:
File system module, for accepting to obtain in described target memory the mark of video source of storage from target memory from the control command of described microprocessor and deliver to described microprocessor, for described microprocessor, the mark of acquired video source delivered to described man-machine interaction display screen and display and select target video source for user and then trigger described microprocessor and produce video source and select order；
Video source input module, select order for receiving described video source and deliver to described file system module, to be selected order obtain target video source from described target memory and provide to described video source input module by described file system module according to described video source；
Video source processing module, obtains processing rear video source for the target video source from described video source input module is decoded and is processed；
Output module, uses for described video processor chip for being exported in the process rear video source from described video source processing module.
2. Video Controller as claimed in claim 1, it is characterized in that, also include external memory interface, electrically connect described video source processor and from described target memory, obtained the mark of video source and the target video source of storage for electrically connecting described target memory for described file system module by described external memory interface.
3. Video Controller as claimed in claim 2, it is characterised in that described external memory interface is USB interface.
4. Video Controller as claimed in claim 1, it is characterized in that, described target memory is the internal storage of described Video Controller and electrically connects described video source processor and obtain the mark of video source and the target video source of storage for described file system module from described internal storage.
5. Video Controller as claimed in claim 1, it is characterised in that also include sending card logic, connect described video processor chip by PCB trace.
6. a Video Controller, including microprocessor, man-machine interaction display screen and video processor chip, described microprocessor electrically connects described man-machine interaction display screen and described video processor chip and described microprocessor for selecting video source to be processed for described video processor chip；It is characterized in that, described Video Controller also includes video source processor；Wherein, described video source processor includes:
File system module, from target memory, obtain programme for the control command accepted from described microprocessor and deliver to described microprocessor, parse the video source playing sequence specified in described programme for described microprocessor and then trigger the generation video source selection order of described microprocessor；
Video source input module, select order for receiving described video source and deliver to described file system module, to be selected order obtain target video source from described target memory and provide to described video source input module by described file system module according to described video source；
Video source processing module, obtains processing rear video source for the target video source from described video source input module is decoded and is processed；
Output module, uses for described video processor chip for being exported in the process rear video source from described video source processing module.
7. Video Controller as claimed in claim 6, it is characterized in that, also include external memory interface, electrically connect described video source processor and from described target memory, obtained the mark of video source and the target video source of storage for electrically connecting described target memory for described file system module by described external memory interface.
8. Video Controller as claimed in claim 7, it is characterised in that described external memory interface is USB interface.
9. Video Controller as claimed in claim 6, it is characterized in that, described target memory is the internal storage of described Video Controller and electrically connects described video source processor and obtain the mark of video source and the target video source of storage for described file system module from described internal storage.
10. Video Controller as claimed in claim 6, it is characterised in that also include sending card logic, connect described video processor chip by PCB trace.
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| CN201610143043.4A CN105812687B (en) | 2016-03-14 | 2016-03-14 | Video Controller |
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| CN201610143043.4A CN105812687B (en) | 2016-03-14 | 2016-03-14 | Video Controller |
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| CN105812687B CN105812687B (en) | 2019-03-22 |
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| CN111277726A (en) * | 2018-12-05 | 2020-06-12 | 西安诺瓦星云科技股份有限公司 | Video processing apparatus |
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| CN112885276A (en) * | 2019-11-29 | 2021-06-01 | 西安诺瓦星云科技股份有限公司 | Display screen control method, controller, control system and splicing card |
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| CN105812687B (en) | 2019-03-22 |
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