Message ID | 20221109060621.704531-1-yunkec@google.com (mailing list archive) |
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Series |
media: Implement UVC v1.5 ROI
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Message
Yunke Cao
Nov. 9, 2022, 6:06 a.m. UTC
Hi, This patch set implements UVC v1.5 region of interest using V4L2 control API. ROI control is consisted two uvc specific controls. 1. A rectangle control with a newly added type V4L2_CTRL_TYPE_RECT. 2. An auto control with type bitmask. V4L2_CTRL_WHICH_MIN/MAX_VAL is added to support the rectangle control. Tested on two different usb cameras using v4l2-compliance, v4l2-ctl and calling ioctls. 1/11 adds V4L2_CTRL_TYPE_RECT. 2/11, 3/11, 4/11 refactors uvc_ctrl.c. 5/11 adds support for compound controls. 6/11 implements ROI in UVC. 7/11 initializes ROI control to default value. 8/11 is a cherry-pick for Hans' implementation of V4L2_CTRL_WHICH_MIN/MAX_VAL in v4l2-core. 9/11 documents min/max for the rectangle control. 10/11 supports MIN/MAX in UVC. 11/11 documents the changes. Changelog since v9: - Rebased onto Linus' master branch. - Fixed some minor issues. Changelog in patches. Changelog since v8: - Rebased onto media-stage master (v6.1-rc2). - Addressed Hans' comments in 8/11 v4l2-ctrls: add support for V4L2_CTRL_WHICH_MIN/MAX_VAL. Including adding a new documentation patch 9/11. Changelog since v7: - Rebased onto media-stage master. - Move the factoring logic from 5/10 to 2/10 and 3/10 (new patch in v8). - In patch 4/10, split uvc_control_mapping.size to v4l2 and data size. - Move initializing ROI control from 5/10 into its own patch 7/10. - Address some comments. Changelogs are in patches. Hans Verkuil (1): v4l2-ctrls: add support for V4L2_CTRL_WHICH_MIN/MAX_VAL Yunke Cao (10): media: v4l2_ctrl: Add V4L2_CTRL_TYPE_RECT media: uvcvideo: add uvc_ctrl_get_boundary for getting default value media: uvcvideo: introduce __uvc_ctrl_get_std() media: uvcvideo: Split uvc_control_mapping.size to v4l2 and data size media: uvcvideo: Add support for compound controls media: uvcvideo: implement UVC v1.5 ROI media: uvcvideo: initilaize ROI control to default value media: v4l2: document the usage of min/max for V4L2_CTRL_TYPE_RECT media: uvcvideo: support V4L2_CTRL_WHICH_MIN/MAX_VAL media: uvcvideo: document UVC v1.5 ROI .../userspace-api/media/drivers/uvcvideo.rst | 64 +- .../media/v4l/vidioc-g-ext-ctrls.rst | 15 +- .../media/v4l/vidioc-queryctrl.rst | 11 + .../media/videodev2.h.rst.exceptions | 3 + drivers/media/i2c/imx214.c | 5 +- .../media/platform/qcom/venus/venc_ctrls.c | 9 +- drivers/media/usb/uvc/uvc_ctrl.c | 676 ++++++++++++++---- drivers/media/usb/uvc/uvc_driver.c | 2 +- drivers/media/usb/uvc/uvc_v4l2.c | 18 +- drivers/media/usb/uvc/uvcvideo.h | 23 +- drivers/media/v4l2-core/v4l2-ctrls-api.c | 57 +- drivers/media/v4l2-core/v4l2-ctrls-core.c | 171 ++++- drivers/media/v4l2-core/v4l2-ioctl.c | 4 +- include/media/v4l2-ctrls.h | 36 +- include/uapi/linux/usb/video.h | 1 + include/uapi/linux/uvcvideo.h | 13 + include/uapi/linux/v4l2-controls.h | 9 + include/uapi/linux/videodev2.h | 4 + 18 files changed, 919 insertions(+), 202 deletions(-)