Support VideoCapture CAP_PROP_AUTO_WB and CV_CAP_PROP_WHITE_BALANCE_BLUE_U for DShow#23300
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asmorkalov merged 2 commits intoopencv:4.xfrom Mar 21, 2023
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…ITE_BALANCE_BLUE_U in Windows 10 CAP_DSHOW. cap.set(CAP_PROP_AUTO_WB, 0.0); cap.set(CAP_PROP_AUTO_WB, 1.0); cap.set(CAP_PROP_WHITE_BALANCE_BLUE_U, 2000);
Contributor
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After this request, I plan to address the inability to set and get autoexposure in CAP_DSHOW. |
Contributor
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Tested on Everything work as described above. |
asmorkalov
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Mar 10, 2023
…::VideoCaptureProperties::CAP_PROP_AUTO_WB".
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Author
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I have corrected the points you pointed out. |
hanliutong
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Mar 27, 2023
…_PROP_WHITE_BALANCE_BLUE_U_support_in_CAP_DSHOW Support VideoCapture CAP_PROP_AUTO_WB and CV_CAP_PROP_WHITE_BALANCE_BLUE_U for DShow ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [OK] I agree to contribute to the project under Apache 2 License. - [OK] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [OK] The PR is proposed to the proper branch - [OK] There is a reference to the original bug report and related work opencv#19621 opencv#21408 ### Before apply this pull request console output. before AWB setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: -1 after AWB disable setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: -1 after AWB enable setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: -1 after Manual WB(and Disable AWB) setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: -1 ### After apply this pull request console output. before AWB setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: 0 after AWB disable setting CAP_PROP_WHITE_BALANCE_BLUE_U: 4000 CAP_PROP_AUTO_WB: 0 after AWB enable setting CAP_PROP_WHITE_BALANCE_BLUE_U: 4000 CAP_PROP_AUTO_WB: 1 after Manual WB(and Disable AWB) setting CAP_PROP_WHITE_BALANCE_BLUE_U: 2000 CAP_PROP_AUTO_WB: 0 ### Test Code [OpenCvVideoCapTest.zip](https://github.com/opencv/opencv/files/10825399/OpenCvVideoCapTest.zip)
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Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
OpenCV Class VideoCapture doesn't support get/set Videoio.CAP_PROP_AUTO_WB in Windows 10 but Linux (Ubuntu) #19621
Camera white balance support for Logitech BRIO 4K #21408
Before apply this pull request console output.
before AWB setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: -1
after AWB disable setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: -1
after AWB enable setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: -1
after Manual WB(and Disable AWB) setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: -1
After apply this pull request console output.
before AWB setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: 0
after AWB disable setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 4000
CAP_PROP_AUTO_WB: 0
after AWB enable setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 4000
CAP_PROP_AUTO_WB: 1
after Manual WB(and Disable AWB) setting
CAP_PROP_WHITE_BALANCE_BLUE_U: 2000
CAP_PROP_AUTO_WB: 0
Test Code
OpenCvVideoCapTest.zip