CN103369207A - Multi-nuclear DSP (Digital Signal Processor) video enhancer - Google Patents
Multi-nuclear DSP (Digital Signal Processor) video enhancer Download PDFInfo
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- CN103369207A CN103369207A CN2013102736547A CN201310273654A CN103369207A CN 103369207 A CN103369207 A CN 103369207A CN 2013102736547 A CN2013102736547 A CN 2013102736547A CN 201310273654 A CN201310273654 A CN 201310273654A CN 103369207 A CN103369207 A CN 103369207A
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Abstract
The invention belongs to the technical field of electron, and relates to a multi-nuclear DSP (Digital Signal Processor) video enhancer, which solves the technical problems that the design in the prior art is not reasonable enough and the like. A multi-nuclear DSP is arranged on an integrated circuit board, the multi-nuclear DSP is connected with a video input module and a video output module, the multi-nuclear DSP is also connected with an SPIFLASH, a first internal storage, a second internal storage, a network card, an RS232 interface module, an RS485 interface module and a dial switch, the network card is connected with a network interface, the RS232 interface module is connected with a first DB9 interface, the RS485 interface module is connected with a second DB9 interface, and the multi-nuclear DSP is also connected with an NORFLASH and an NANDFLASH through a BUS. The multi-nuclear DSP video enhancer disclosed by the invention has the advantages that the design layout is reasonable, the structure is simple, the working stability is good, the data processing speed is quick, data in the same internal storage can be simultaneously and intensively processed by 2-8 inner core DSPs, a large data block can be processed in a splitting way, and a data processing task can be completed in a short time.
Description
Technical field
The invention belongs to communication and electronic technology field, relate to video and strengthen processing, especially relate to a kind of multi-core DSP video booster.
Background technology
At present, video equipment is through behind the H264 coding and decoding on the market, and image effect is generally bad, and the video equipment product of therefore being badly in need of strengthening image effect satisfies the demand that the client increases day by day.Consider that HD video stream data amount is very large, the every frame of per second need to receive the data of 100MB, and HD pattern of the input 24BIT is parallel, and the 165MHz clock can't be finished for general processing D1 format video processing DSP chip.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of video enhancement device [application number: 201120348964.7], it is characterized in that, this video enhancement device comprises: a plurality of Video Decoders, with decoder video encoder and video processor correspondingly; The output of described Video Decoder links to each other with the input of described video processor; The output of described video processor links to each other with described video encoder input; The input of described Video Decoder is inputted the vision signal of corresponding form, Video Decoder by correspondence obtains digital video signal, export corresponding video encoder to after the mist elimination of the described video processor of digital video signal process and low-light (level) strengthen processing, described video encoder output strengthens the video after the processing.The somebody has proposed method and the device [application number: 200810146055.8] thereof that a kind of video strengthens, and the method comprises: a Nonlinear extension curve mapping table is set; To each two field picture, calculate the histogram equalization mapping table of this two field picture according to its brightness data, then at least to each brightness value in the brightness value set of this two field picture pixel, the mapping value of this brightness value in Nonlinear extension curve mapping table and histogram equalization mapping table is weighted on average, and records corresponding relation between the mapping value after each brightness value and the weighted average with a brightness mapping table; Then according to the brightness mapping table, the brightness value of this two field picture pixel is updated to mapping value after weighted average corresponding to this brightness value.This device comprises luminance enhancement module, and this module comprises that further nonlinear curve stretching table memory cell, histogram equalization mapping table computing unit, brightness mapping table computing unit and image brightness strengthen map unit.The present invention can improve the visual effect of video image under low-light (level) and the normal illumination conditions.
Although such scheme has improved the video image effect to a certain extent, still exist structure comparatively complicated, cost is higher, and data processing speed waits technical problem more slowly.
Summary of the invention
The objective of the invention is for the problems referred to above, provide a kind of reasonable in design, simple in structure, the multi-core DSP video booster that data processing speed is fast.
For achieving the above object, the present invention has adopted following technical proposal: this multi-core DSP video booster, it is characterized in that, this video booster comprises surface-mounted integrated circuit, be provided with the multi-core DSP processor at surface-mounted integrated circuit, be connected with video input module and video output module at the multi-core DSP processor, on the multi-core DSP processor, also be connected with SPIFLASH, the first internal memory, the second internal memory, network interface card, the RS232 interface module, RS485 interface module and toggle switch, be connected with network interface on the described network interface card, be connected with a DB9 interface on the described RS232 interface module, be connected with the 2nd DB9 interface on the described RS485 interface module, described multi-core DSP processor also is connected with NORFLASH and NANDFLASH by the BUS bus, and this video booster also comprises being integrated on the surface-mounted integrated circuit and is used for to the supply module of each several part power supply.
In above-mentioned multi-core DSP video booster, described multi-core DSP processor is TMS320DM8148; Described video input module is TFP401; Described video output module is TFP410; Described SPIFLASH is AT45DM3210-SU; Described the first internal memory and the second internal memory are the DDR3 internal memory and are respectively MT41J64M16JT-125; Described network interface card is 88E1111; Described RS232 interface module is MAX232C; Described RS485 interface module is MAX485; Described toggle switch is that DIP4 is toggle switch; Described network interface is RJ45.
In above-mentioned multi-core DSP video booster, described supply module comprises the voltage changing module that can link to each other with input power, is connected with some power supply interfaces at voltage changing module, and described power supply interface links to each other with the parts of relevant work voltage respectively.
In above-mentioned multi-core DSP video booster, described power supply interface is LT3506A.
Compared with prior art, the advantage of this multi-core DSP video booster is: layout is reasonable, simple in structure, good operating stability, data processing speed is fast, can 2-8 kernel DSP data in same section internal memory of dense process simultaneously, the long data block deconsolidation process is finished data processing task in the short time.
Description of drawings
Fig. 1 is structural representation provided by the invention.
Fig. 2 is supply module structural representation provided by the invention.
Among the figure, surface-mounted integrated circuit 1, multi-core DSP processor 2, video input module 3, video output module 4, SPIFLASH5, the first internal memory 6, the second internal memory 7, network interface card 8, RS232 interface module 9, RS485 interface module 10, toggle switch 11, network interface 12, a DB9 interface 13, the 2nd DB9 interface 14, NORFLASH15, NANDFLASH16, supply module 17, input power 18, voltage changing module 19, power supply interface 20.
Embodiment
As shown in Figure 1, this multi-core DSP video booster comprises surface-mounted integrated circuit 1, be provided with multi-core DSP processor 2 at surface-mounted integrated circuit 1, be connected with video input module 3 and video output module 4 at multi-core DSP processor 2, on multi-core DSP processor 2, also be connected with SPIFLASH5, the first internal memory 6, the second internal memory 7, network interface card 8, RS232 interface module 9, RS485 interface module 10 and toggle switch 11, be connected with network interface 12 on the described network interface card 8, be connected with a DB9 interface 13 on the described RS232 interface module 9, be connected with the 2nd DB9 interface 14 on the described RS485 interface module 10, described multi-core DSP processor 2 also is connected with NORFLASH15 and NANDFLASH16 by the BUS bus, and this video booster also comprises being integrated on the surface-mounted integrated circuit 1 and is used for to the supply module 17 of each several part power supply.
As shown in Figure 2, supply module 17 comprises the voltage changing module 19 that can link to each other with input power 18, is connected with some power supply interfaces 20 at voltage changing module 19, and described power supply interface 20 links to each other with the parts of relevant work voltage respectively.Power supply interface 20 is LT3506A.
More particularly, the present invention can finish single channel HDMI1920*1080P input, and single channel HDMI1920*1080P output video strengthens.RS232C connects PC end host computer serial communication; RS485 connects the host computer serial communication; The address toggle switch is set.Surface-mounted integrated circuit 1 employing 8 is stack structure layer by layer, is followed successively by signals layer, GND layer, signals layer, signals layer, VCC layer, signals layer, VCC DSP layer and signals layer from top to bottom.Multi-core DSP processor 2 adopts TMS320DM8148, ARM1GHZ, DSP750MHZ; Video input module 3 adopts HD video input TFP401; Video output module 4 adopts HD video output TFP410.24BIT transmission between video input module 3 and the multi-core DSP processor 2,24BIT transmission between multi-core DSP processor 2 and the video output module 4.The first internal memory 6 and the second internal memory 7 are the DDR3 internal memory and are respectively and comprise that two MT41J64M16JT-125(are that the first internal memory 6 and the second internal memory 7 are respectively 512MB).32BIT transmission between the first internal memory 6 and the multi-core DSP processor 2,32BIT transmission between the second internal memory 7 and the multi-core DSP processor 2.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as surface-mounted integrated circuit 1, multi-core DSP processor 2, video input module 3, video output module 4, SPIFLASH5, the first internal memory 6, the second internal memory 7, network interface card 8, RS232 interface module 9, RS485 interface module 10, toggle switch 11, network interface 12, a DB9 interface 13, the 2nd DB9 interface 14, NORFLASH15, NANDFLASH16, supply module 17, input power 18, voltage changing module 19, power supply interface 20, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (4)
1. multi-core DSP video booster, it is characterized in that, this video booster comprises surface-mounted integrated circuit (1), be provided with multi-core DSP processor (2) at surface-mounted integrated circuit (1), be connected with video input module (3) and video output module (4) at multi-core DSP processor (2), on multi-core DSP processor (2), also be connected with SPIFLASH(5), the first internal memory (6), the second internal memory (7), network interface card (8), RS232 interface module (9), RS485 interface module (10) and toggle switch (11), be connected with network interface (12) on the described network interface card (8), be connected with a DB9 interface (13) on the described RS232 interface module (9), be connected with the 2nd DB9 interface (14) on the described RS485 interface module (10), described multi-core DSP processor (2) also is connected with NORFLASH(15 by the BUS bus) and NANDFLASH(16), this video booster comprises that also being integrated in surface-mounted integrated circuit (1) upward is used for to the supply module (17) of each several part power supply.
2. multi-core DSP video booster according to claim 1 is characterized in that, described multi-core DSP processor (2) is TMS320DM8148; Described video input module (3) is TFP401; Described video output module (4) is TFP410; Described SPIFLASH(5) is AT45DM3210-SU; Described the first internal memory (6) and the second internal memory (7) are the DDR3 internal memory and are respectively MT41J64M16JT-125; Described network interface card (8) is 88E1111; Described RS232 interface module (9) is MAX232C; Described RS485 interface module (10) is MAX485; Described toggle switch (11) is toggle switch for DIP4; Described network interface (12) is RJ45.
3. multi-core DSP video booster according to claim 1 and 2, it is characterized in that, described supply module (17) comprises the voltage changing module (19) that can link to each other with input power (18), be connected with some power supply interfaces (20) at voltage changing module (19), described power supply interface (20) links to each other with the parts of relevant work voltage respectively.
4. multi-core DSP video booster according to claim 3 is characterized in that, described power supply interface (20) is LT3506A.
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Application publication date: 20131023 |