CN107682673B - A method of 4KHDR and HDSDR signal is supervised based on GPU and video IO card simultaneously - Google Patents
A method of 4KHDR and HDSDR signal is supervised based on GPU and video IO card simultaneously Download PDFInfo
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- CN107682673B CN107682673B CN201710929967.1A CN201710929967A CN107682673B CN 107682673 B CN107682673 B CN 107682673B CN 201710929967 A CN201710929967 A CN 201710929967A CN 107682673 B CN107682673 B CN 107682673B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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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
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Abstract
The invention discloses a kind of methods for supervising 4KHDR and HDSDR signal simultaneously based on GPU and video IO card, and the raw data with HDR information is imported GPU and is handled, HD SDR signal and 4K HDR signal are obtained；The HD SDR signal is exported from the HDMI interface that the GPU is carried to attached display, the 4K HDR signal is exported from IO card to HDR monitor, to realize while supervise 4K HDR and HD SDR signal；It can be realized while supervising 4K HDR and HD SDR signal using this method, peripheral hardware will not be accessed, deployment is simple, and on-site maintenance difficulty is small, at low cost, highly effective.
Description
Technical field
The invention belongs to show field of signal processing, and in particular to one kind supervises 4KHDR based on GPU and video IO card simultaneously
With the method for HDSDR signal.
Background technique
With the development in an all-round way of 4K technology, wherein tolerance dynamic range is also by SDR (Standard Dynamic
Range it) develops to HDR (High Dynamic Range), the development of tolerance dynamic range can bring more high definition for spectators
Picture clear and rich in stereovision.But current family PC terminal only supports viewing HD SDR video mostly, therefore, in editing
When 4K HDR program, it is still desirable to take into account HD SDR picture, accomplish 4K HDR and HD SDR while making.
It realizes at present while the scheme for making 4K HDR and HD SDR picture is as follows:
1. exporting 4K HDR and HD SDR signal simultaneously using same board.Since same I O board card can not export simultaneously
4K HDR and HD SDR signal, if therefore editor need to supervise the picture under two kinds of signals, need not stop to change monitor parameter
Setting.This mode cannot achieve the comparison of 4K HDR Yu HD SDR picture, at the same seem it is cumbersome with it is inconvenient.
2. adding built-in board to export 4K HDR and HD SDR signal respectively using outlaid board-card.4K high can not with machine at present
It is inserted into two I O board cards simultaneously, it is therefore desirable to access external board, realize with this while exporting 4K HDR and HD SDR signal.This
Although kind mode realizes while supervising 4K HDR and HD SDR picture, but due to access peripheral hardware, will occupy exceptional space, unfavorable
Personnel safeguard on site, while increasing equipment cost.
3. combining output 4K HDR and HD SDR signal using IO card plus interconnecting device.By IO card export 4K HDR signal to
Interconnecting device, interconnecting device export 4K HDR signal and HD SDR signal simultaneously again.This mode equally accesses peripheral hardware, increases equipment
Cost and maintenance difficulties, while line is more complicated.
Summary of the invention
It is an object of the invention to: it provides and a kind of based on GPU and video IO card while supervising 4KHDR and HDSDR signal
Method, solve at present using external equipment realize and meanwhile supervise 4K HDR and HD SDR signal occupied space greatly, plant maintenance
Difficult technical problem.
The technical solution adopted by the invention is as follows:
A method of 4KHDR and HDSDR signal is supervised simultaneously based on GPU and video IO card, the original of HDR information will be had
Beginning material imports GPU and is handled, and obtains HD SDR signal and 4K HDR signal；Certainly from the GPU by the HD SDR signal
The HDMI interface of band is exported to attached display, the 4K HDR signal is exported from IO card to HDR monitor, to realize simultaneously
Supervise 4K HDR and HD SDR signal.
Further, handled that specific step is as follows using GPU:
Step 1: the raw data with HDR information is imported to the nonlinear editing system of the GPU；
Step 2: parsing the raw data using the nonlinear editing system, automatically identify the raw data
Color information；
Step 3: newly-built 4K HDR timeline, according to the color information, using automatic color management algorithm, by the element
Material is transformed under the 4K HDR timeline colour gamut, and is rendered using rendering engine, and 4K HDR signal is obtained；
Step 4: carrying out gamma transformation while the 4K HDR signal is exported and breadth converts, obtain HD SDR letter
Number.
Further, the nonlinear editing system creates GPU resource, and the HD SDR signal utilizes the GPU resource
It is exported by HDMI interface, the HDMI interface connects display.
Further, the 4K HDR signal downlink is exported again after exporting to memory to IO card, is obtained with HDR information
The 4K sdi signal is input to HDR monitor, realizes the supervision of 4K HDR picture by 4K sdi signal.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. can be realized while supervising 4K HDR and HD SDR signal using this method, accomplish intuitively to see that the interface exists
The color effect of 4K HDR and HD SDR, facilitate toning.
2. only needing the display of a support HDMI, the monitor for not needing profession supervises HD SDR signal.It substantially reduces
The cost of monitoring device, You Yitai monitor is tens of thousands of is reduced to the thousands of members of display.
3. display, for monitor, deployment is simple, and easy to maintain, almost connection can be arranged in everybody.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is integrated stand composition of the invention.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to the present invention.
A method of 4KHDR and HDSDR signal is supervised simultaneously based on GPU and video IO card, the original of HDR information will be had
Beginning material imports GPU and is handled, and obtains HD SDR signal and 4K HDR signal；Certainly from the GPU by the HD SDR signal
The HDMI interface of band is exported to attached display, and the 4K HDR signal is exported from IO card to HDR monitor, the HDR is arranged
Monitor and attached display are tiled pattern.
Raw data with HDR information is imported to the nonlinear editing system of the GPU；Utilize the non-linear editing
Raw data described in system analysis automatically identifies the color information of the raw data；Newly-built 4K HDR timeline, according to institute
Color information is stated, using automatic color management algorithm, the material is transformed under the 4K HDR timeline colour gamut, and utilizes
Rendering engine is rendered, and 4K HDR signal is obtained；Gamma transformation and breadth are carried out while by 4K HDR signal output
Transformation, zooms in and out color space, obtains HD SDR signal.
In software using the nonlinear editing system, an irremovable full screen window is created, it will be described full frame
Window tiles to attached display, and the breadth size of window is just the breadth size of HD SDR signal, i.e. 1920*1080；
The nonlinear editing system also needs creation GPU resource, and the HD SDR signal is defeated by HDMI interface using the GPU resource
Out, the HDMI interface connects attached display.
The 4K HDR signal downlink exports the 4K SDI letter obtained to IO card with HDR information again after exporting to memory
Number, the 4K sdi signal is input to HDR monitor, realizes the supervision of 4K HDR picture.
Claims (3)
1. a kind of method for supervising 4KHDR and HDSDR signal simultaneously based on GPU and video IO card, it is characterised in that: will have
The raw data of HDR information imports GPU and is handled, and obtains HD SDR signal and 4K HDR signal；By the HD SDR signal
The HDMI interface carried from the GPU is exported to attached display, and the 4K HDR signal is exported from IO card to HDR monitor,
To realize while supervise 4K HDR and HD SDR signal；
Wherein handled that specific step is as follows using GPU:
Step 1: the raw data with HDR information is imported to the nonlinear editing system of the GPU；
Step 2: parsing the raw data using the nonlinear editing system, automatically identify the color of the raw data
Information；
Step 3: newly-built 4K HDR timeline is turned the material using automatic color management algorithm according to the color information
It changes under the 4K HDR timeline colour gamut, and is rendered using rendering engine, obtain 4K HDR signal；
Step 4: carrying out gamma transformation while the 4K HDR signal is exported and breadth converts, obtain HD SDR signal.
2. a kind of method that 4KHDR and HDSDR signal is supervised simultaneously based on GPU and video IO card according to claim 1,
It is characterized by: the nonlinear editing system creates GPU resource, the HD SDR signal is passed through using the GPU resource
HDMI interface output, the HDMI interface connect attached display.
3. a kind of method that 4KHDR and HDSDR signal is supervised simultaneously based on GPU and video IO card according to claim 1,
It is characterized by: the 4K HDR signal downlink exports again after exporting to memory obtains the 4K SDI with HDR information to IO card
The 4K sdi signal is input to HDR monitor, realizes the supervision of 4K HDR picture by signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710929967.1A CN107682673B (en) | 2017-10-09 | 2017-10-09 | A method of 4KHDR and HDSDR signal is supervised based on GPU and video IO card simultaneously |
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| CN201710929967.1A CN107682673B (en) | 2017-10-09 | 2017-10-09 | A method of 4KHDR and HDSDR signal is supervised based on GPU and video IO card simultaneously |
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| CN107682673B true CN107682673B (en) | 2019-11-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109146822A (en) * | 2018-09-05 | 2019-01-04 | 成都索贝数码科技股份有限公司 | A method of equipment simulating HDR monitor is shown using SDR |
| CN109327734B (en) * | 2018-11-27 | 2020-11-13 | 成都索贝数码科技股份有限公司 | Method for down-converting HDR video to SDR video based on dynamic photometry |
| CN111741232B (en) * | 2020-08-11 | 2020-12-11 | 成都索贝数码科技股份有限公司 | Method for improving ultra-high-definition non-editing performance based on dual-display card NVLINK |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979192A (en) * | 2016-05-16 | 2016-09-28 | 福州瑞芯微电子股份有限公司 | Video display method and device |
| CN106030503A (en) * | 2014-02-25 | 2016-10-12 | 苹果公司 | Adaptive video processing |
| WO2016181819A1 (en) * | 2015-05-12 | 2016-11-17 | ソニー株式会社 | Image-processing device, image-processing method, and program |
| CN106791865A (en) * | 2017-01-20 | 2017-05-31 | 杭州当虹科技有限公司 | The method of the self adaptation form conversion based on high dynamic range video |
| CN106878694A (en) * | 2015-12-10 | 2017-06-20 | 瑞昱半导体股份有限公司 | high dynamic range signal processing system and method |
| CN107093341A (en) * | 2017-06-28 | 2017-08-25 | 东莞职业技术学院 | One kind plays integral system |
-
2017
- 2017-10-09 CN CN201710929967.1A patent/CN107682673B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106030503A (en) * | 2014-02-25 | 2016-10-12 | 苹果公司 | Adaptive video processing |
| CN106233706A (en) * | 2014-02-25 | 2016-12-14 | 苹果公司 | For providing the apparatus and method of the back compatible of the video with standard dynamic range and HDR |
| WO2016181819A1 (en) * | 2015-05-12 | 2016-11-17 | ソニー株式会社 | Image-processing device, image-processing method, and program |
| CN106878694A (en) * | 2015-12-10 | 2017-06-20 | 瑞昱半导体股份有限公司 | high dynamic range signal processing system and method |
| CN105979192A (en) * | 2016-05-16 | 2016-09-28 | 福州瑞芯微电子股份有限公司 | Video display method and device |
| CN106791865A (en) * | 2017-01-20 | 2017-05-31 | 杭州当虹科技有限公司 | The method of the self adaptation form conversion based on high dynamic range video |
| CN107093341A (en) * | 2017-06-28 | 2017-08-25 | 东莞职业技术学院 | One kind plays integral system |
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