CN105491369A - VR video data processing system - Google Patents
VR video data processing system Download PDFInfo
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- CN105491369A CN105491369A CN201610019539.0A CN201610019539A CN105491369A CN 105491369 A CN105491369 A CN 105491369A CN 201610019539 A CN201610019539 A CN 201610019539A CN 105491369 A CN105491369 A CN 105491369A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/344—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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Abstract
The invention discloses a VR video data processing system. The VR video data processing system includes a video source subsystem and a VR subsystem; a system processing chip transmits system video data information to a video source conversion unit; the video source conversion unit converts the video data information into RGB video data signals, and sends the RGB video data signals to a video processing unit; the video processing unit decomposes the RGB video data signals into two parts of data frame video signals which are displayed on a left eye display screen and a right eye display screen of VR glasses, and packs the two parts of data frame video signals and sends packed data frame video signals to a VR subsystem; and a VR data analysis unit receives the data frame video signals transmitted by the video processing unit, and analyzes the data frame video signals to obtain RGB video data, and transmits the RGB video data to a VR display unit. According to the VR video data processing system of the invention, work emitting a large amount of heat is transferred to a video source end, and the VR glasses are only adopted as a display device, and therefore, processing work load can be as small as possible, and thus, the heat emission effect of the VR glasses can be reduced.
Description
Technical field
The present invention relates to and wear field of display devices, particularly relate to a kind of VR video data processing system.
Background technology
, there is various display device in VR (VirtualReality, i.e. virtual reality are called for short VR) Display Technique high speed development; The selection of user to display device is also more and more higher, and therefore lighter, thinner VR glasses become the target that user pursues; Thinner lighter VR glasses also propose new challenge to technology simultaneously.
Existing VR glasses are many due to inner member, make the caloric value of VR display device large, and the hot body that the heating of VR display device very directly can affect user tested, affect the comfort of VR eyeglasses-wearing, and data wire is too big and heavy, VR glasses are too thick and heavy, and experience effect is poor.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the object of the invention is to, a kind of VR video data processing system being provided, comprising: video source subsystem, VR subsystem;
Described video source subsystem comprises: system process chip, video source converting unit, video processing unit;
Described system process chip is used for system video data information transmission to described video source converting unit;
Video data information, for receiving the video data information of described system process chip transmission, is converted to rgb video data-signal, and is sent to video processing unit by described video source converting unit;
Described video processing unit is for receiving rgb video data-signal, rgb video data-signal is decomposed into two parts Frame vision signal at the left eye display screen of VR glasses and the display of right eye display screen, and two parts Frame vision signal is packed respectively sends to VR subsystem;
Described VR subsystem comprises: VR Data Analysis unit, VR display unit;
Described VR Data Analysis unit is for receiving the Frame vision signal of described video processing unit transmission, and resolution data frame video signal obtains rgb video data, is transferred to VR display unit;
The rgb video data that described VR display unit sends for showing described VR Data Analysis unit.
Preferably, described video processing unit comprises: video input module, video distribution module, Frame packetization module, GTP sending module;
The rgb video data-signal that described video input module sends for receiving described video source converting unit;
Described video distribution module to be used for rgb video data-signal, according to decomposing at the left eye display unit of VR glasses and the display of right display unit respectively, being decomposed into two parts Frame vision signal;
Described Frame packetization module is used for two parts Frame vision signal to be merged into parallel data, and adds check byte at the end of parallel data, is input to GTP sending module respectively after packing;
Described GTP sending module is used for the dataframe of described Frame packetization module packing to described VR subsystem.
Preferably, described GTP sending module comprises: data transmission blocks, tranmitting data register;
Described data transmission blocks is used for transmitted in parallel data under the driving of tranmitting data register, sends bit 0 to bit 3, send bit 4 to bit 7 at trailing edge at the rising edge of clock, and the data that each clock cycle completes a byte send.
Preferably, described Frame packetization module also comprises: CRC check generation module;
Described CRC check generation module is for generating check byte.
The Frame that described GTP sending module sends comprises: Frame vision signal, check byte.
Preferably, described GTP sending module also comprises: send buffer module, send cushioning control module;
Described transmission buffer module matches for the data bit width and speed making the Frame vision signal of link port and video processing unit;
Described transmission cushioning control module is for controlling the read-write sending buffering FIFO, and according to link port agreement regulation, setting data transmission least unit is 128bit.
Preferably, VR Data Analysis unit comprises: GTP receiver module, Frame parse module, VR video distribution module;
The Frame that described GTP receiver module sends for receiving GTP sending module;
It is two parts Frame vision signal that described Frame parse module is used for the data frame analyzing of reception, and obtains two parts rgb video data from two parts Frame vision signal, is sent to VR video distribution module;
Described VR video distribution module is for receiving two parts rgb video data, and correspondence distributes to the display of VR display unit.
Preferably, described GTP receiver module comprises: data reception module;
Described data reception module is used for under tranmitting data register same frequency, receive data in parallel.
Preferably, described GTP receiver module also comprises: receive CRC check module;
Described reception CRC check module is for verifying the check byte at parallel data end, and when comparative result is identical, then the current data received are errorless; Otherwise data are wrong to be reported to upper layer module.
Preferably, described GTP receiver module also comprises: receive buffer module, receive cushioning control module;
Described reception buffer module matches for the data bit width and speed making the Frame vision signal of link port and video processing unit;
Described reception cushioning control module is for controlling the read-write receiving buffering FIFO, and according to link port agreement, when data are by verification, receive chain crossing receives data.
Preferably, described video source subsystem is connected by differential lines with described VR subsystem.
As can be seen from the above technical solutions, the present invention has the following advantages:
Video source subsystem comprises: video source converting unit and video processing unit, VR subsystem comprises VR Data Analysis unit, VR display unit, the large work of heating is realized to move on to video source, make VR glasses part as just a display device, deal with the work as far as possible little, thus reduce the heating effect of VR eyes.And VR glasses end decreases the application-specific integrated circuit that HDMI turns RGB, less FPGA Data Analysis unit can be used, decrease the IC quantity of glasses end, what be conducive to VR glasses are done is more frivolous, alleviate the weight of VR glasses, reduce the circuit of VR glasses, improve user experience.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in description below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall schematic of VR video data processing system;
Fig. 2 is video processing unit schematic diagram;
Fig. 3 is VR Data Analysis cell schematics.
Embodiment
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable; specific embodiment and accompanying drawing will be used below; the technical scheme of the present invention's protection is clearly and completely described; obviously; the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in this patent, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this patent protection.
The present embodiment provides a kind of VR video data processing system, as shown in Figure 1, comprising: video source subsystem 11, VR subsystem 12;
Video source subsystem 11 comprises: system process chip 1, video source converting unit 2, video processing unit 3;
System process chip 1 for by system video data information transmission to video source converting unit;
The video data information that video source converting unit 2 is transmitted for receiving system process chip 1, is converted to rgb video data-signal, and is sent to video processing unit 3 by video data information;
Video processing unit 3 is for receiving rgb video data-signal, rgb video data-signal is decomposed into two parts Frame vision signal at the left eye display screen of VR glasses and the display of right eye display screen, and two parts Frame vision signal is packed respectively sends to VR subsystem 12;
VR subsystem 12 comprises: VR Data Analysis unit 4, VR display unit 5;
The Frame vision signal that VR Data Analysis unit 4 transmits for receiver, video processing unit 3, and resolution data frame video signal obtains rgb video data, is transferred to VR display unit 5; The rgb video data that VR display unit 5 sends for showing VR Data Analysis unit 4.
VR display unit 5 comprises: left eye display screen and right eye display screen, the Frame vision signal of VR Data Analysis unit 4 receiver, video processing unit 3 transmission, and resolution data frame video signal obtains rgb video data, here resolution data frame video signal obtains two parts Frame vision signal shown at left eye display screen and the right eye display screen of VR glasses, makes left eye display screen and right eye display screen show corresponding rgb video data respectively.Video source converting unit is that HDMI is converted to rgb signal.Video processing unit 3 is FPGA Video processing.VR Data Analysis unit 4 is FPGA Data Analysis unit.
Thus, video source subsystem 11 comprises: video source converting unit 2 and video processing unit 3, VR subsystem 12 comprises VR Data Analysis unit 4, VR display unit 5, the large work of heating is realized to move on to video source, make VR glasses part as just a display device, deal with the work as far as possible little, thus reduce the heating effect of VR eyes.And VR glasses end decreases the application-specific integrated circuit that HDMI turns RGB, can use less FPGA Data Analysis unit, decrease the IC quantity of glasses end, what be conducive to VR glasses are done is more frivolous, alleviates the weight of VR glasses.
In the present embodiment, as shown in Figure 2, video processing unit 3 comprises: video input module 31, video distribution module 32, Frame packetization module 33, GTP sending module 34;
The rgb video data-signal that video input module 31 sends for receiver, video source converting unit; Video distribution module 32 for by rgb video data-signal according to decomposing at the left eye display unit of VR glasses and the display of right display unit respectively, be decomposed into two parts Frame vision signal; Frame packetization module 33 for two parts Frame vision signal is merged into parallel data, and is input to GTP sending module 34 after packing respectively; GTP sending module 34 is for generating dataframe to VR subsystem 12 by Frame packetization module.
In the present embodiment, GTP sending module 34 comprises: data transmission blocks 35, tranmitting data register 36;
Data transmission blocks 35, for transmitted in parallel data under the driving of tranmitting data register, sends bit 0 to bit 3 at the rising edge of clock, sends bit 4 to bit 7 at trailing edge, and the data that each clock cycle completes a byte send.
Described Frame packetization module also comprises: CRC check generation module 37;
CRC check generation module 37 is for generating check byte.The Frame that GTP sending module 34 sends comprises: Frame vision signal, check byte.
GTP sending module 34 also comprises: send buffer module 38, send cushioning control module 39;
Send buffer module 38 to match for the data bit width and speed making the Frame vision signal of link port and video processing unit; Send cushioning control module 39 for controlling to send the read-write of buffering FIFO, and according to link port agreement regulation, setting data transmission least unit is 128bit.
In the present embodiment, as shown in Figure 3, VR Data Analysis unit 4 comprises: GTP receiver module 41, Frame parse module 46, VR video distribution module 47;
The Frame that GTP receiver module 41 sends for receiving GTP sending module 34;
Frame parse module 46 for being two parts Frame vision signal by the data frame analyzing of reception, and obtains two parts rgb video data from two parts Frame vision signal, is sent to VR video distribution module 47; VR video distribution module 47 is for receiving two parts rgb video data, and correspondence is distributed to VR display unit 5 and shown.
GTP receiver module 41 comprises: data reception module 42; Data reception module 42 for by with under tranmitting data register 36 same frequency, receive data in parallel.
GTP receiver module 41 also comprises: receive CRC check module 43;
Receive CRC check module 43 for verifying the check byte at parallel data end, when comparative result is identical, then the current data received are errorless; Otherwise data are wrong to be reported to upper layer module.
GTP receiver module 41 also comprises: receive buffer module 45, receive cushioning control module 44;
Receive buffer module 45 to match for the data bit width and speed making the Frame vision signal of link port and video processing unit 3; Receive cushioning control module 44 for controlling to receive the read-write of buffering FIFO, and according to link port agreement, when data are by verification, receive chain crossing receives data.
By above-mentioned transmission means, ensure that the stability that video source subsystem and VR subsystem data transmit and accuracy, reduce the extraneous interference to transfer of data, improve the throughput of data, promote volume of transmitted data, ensure that video playback is smooth.And video source subsystem and VR subsystem just can realize communication connection by differential lines, make VR glasses use more convenient.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, identical similar portion reference mutually between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a VR video data processing system, is characterized in that, comprising: video source subsystem, VR subsystem;
Described video source subsystem comprises: system process chip, video source converting unit, video processing unit;
Described system process chip is used for system video data information transmission to described video source converting unit;
Video data information, for receiving the video data information of described system process chip transmission, is converted to rgb video data-signal, and is sent to video processing unit by described video source converting unit;
Described video processing unit is for receiving rgb video data-signal, rgb video data-signal is decomposed into two parts Frame vision signal at the left eye display screen of VR glasses and the display of right eye display screen, and two parts Frame vision signal is packed respectively sends to VR subsystem;
Described VR subsystem comprises: VR Data Analysis unit, VR display unit;
Described VR Data Analysis unit is for receiving the Frame vision signal of described video processing unit transmission, and resolution data frame video signal obtains rgb video data, is transferred to VR display unit;
The rgb video data that described VR display unit sends for showing described VR Data Analysis unit.
2. VR video data processing system according to claim 1, is characterized in that,
Described video processing unit comprises: video input module, video distribution module, Frame packetization module, GTP sending module;
The rgb video data-signal that described video input module sends for receiving described video source converting unit;
Described video distribution module to be used for rgb video data-signal, according to decomposing at the left eye display unit of VR glasses and the display of right display unit respectively, being decomposed into two parts Frame vision signal;
Described Frame packetization module is used for two parts Frame vision signal to be merged into parallel data, and adds check byte at the end of parallel data, is input to GTP sending module respectively after packing;
Described GTP sending module is used for the dataframe of described Frame packetization module packing to described VR subsystem.
3. VR video data processing system according to claim 2, is characterized in that,
Described GTP sending module comprises: data transmission blocks, tranmitting data register;
Described data transmission blocks is used for transmitted in parallel data under the driving of tranmitting data register, sends bit 0 to bit 3, send bit 4 to bit 7 at trailing edge at the rising edge of clock, and the data that each clock cycle completes a byte send.
4. VR video data processing system according to claim 3, is characterized in that,
Described Frame packetization module also comprises: CRC check generation module;
Described CRC check generation module is for generating check byte;
The Frame that described GTP sending module sends comprises: Frame vision signal, check byte.
5. VR video data processing system according to claim 4, is characterized in that,
Described GTP sending module also comprises: send buffer module, send cushioning control module;
Described transmission buffer module matches for the data bit width and speed making the Frame vision signal of link port and video processing unit;
Described transmission cushioning control module is for controlling the read-write sending buffering FIFO, and according to link port agreement regulation, setting data transmission least unit is 128bit.
6. VR video data processing system according to claim 5, is characterized in that,
VR Data Analysis unit comprises: GTP receiver module, Frame parse module, VR video distribution module;
The Frame that described GTP receiver module sends for receiving GTP sending module;
It is two parts Frame vision signal that described Frame parse module is used for the data frame analyzing of reception, and obtains two parts rgb video data from two parts Frame vision signal, is sent to VR video distribution module;
Described VR video distribution module is for receiving two parts rgb video data, and correspondence distributes to the display of VR display unit.
7. VR video data processing system according to claim 6, is characterized in that,
Described GTP receiver module comprises: data reception module;
Described data reception module is used for under tranmitting data register same frequency, receive data in parallel.
8. VR video data processing system according to claim 7, is characterized in that,
Described GTP receiver module also comprises: receive CRC check module;
Described reception CRC check module is for verifying the check byte at parallel data end, and when comparative result is identical, then the current data received are errorless; Data are wrong then to be reported to upper layer module.
9. VR video data processing system according to claim 8, is characterized in that,
Described GTP receiver module also comprises: receive buffer module, receive cushioning control module;
Described reception buffer module matches for the data bit width and speed making the Frame vision signal of link port and video processing unit;
Described reception cushioning control module is for controlling the read-write receiving buffering FIFO, and according to link port agreement, when data are by verification, receive chain crossing receives data.
10. VR video data processing system according to claim 1, is characterized in that,
Described video source subsystem is connected by differential lines with described VR subsystem.
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Cited By (8)
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| CN105979250A (en) * | 2016-06-26 | 2016-09-28 | 深圳市华宇优诚科技有限公司 | VR video data processing system |
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| CN106791767A (en) * | 2016-12-15 | 2017-05-31 | 天津知音网络科技有限公司 | VR processing system for video |
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| CN107453477A (en) * | 2017-09-08 | 2017-12-08 | 珠海市微半导体有限公司 | A kind of project planning and the VR/AR systems based on USB PD |
| CN109686164A (en) * | 2019-01-28 | 2019-04-26 | 温州大学 | A kind of nursing teaching experience system based on virtual reality technology |
| CN110681150A (en) * | 2018-07-05 | 2020-01-14 | 深圳多哚新技术有限责任公司 | Virtual reality game system and virtual reality game implementation method |
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