The v4l-utils series can be found at https://patchwork.linuxtv.org/project/linux-media/list/?series=11069 . On Thu, Aug 17, 2023 at 4:17 PM Yunke Cao <yunkec@xxxxxxxxxx> wrote: > > 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. > > A patchset in v4l-utils will be sent separately. > > Tested with v4l2-compliance, v4l2-ctl, calling ioctls on usb cameras and > VIVID with a newly added V4L2_CTRL_TYPE_RECT control. > > 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 is a cherry-pick for Hans' implementation of > V4L2_CTRL_WHICH_MIN/MAX_VAL in v4l2-core. > 7/11 addes the rectangle control in VIVID. > 8/11 supports MIN/MAX in UVC. > 9/11 implements ROI in UVC. > 10/11 initializes ROI control to default value. > 11/11 documents the ROI changes. > > Changes since v11 > - Git rid of media: v4l2: document the usage of min/max for V4L2_CTRL_TYPE_RECT. > - Added a rectangle control in VIVID. > - Addressed comments in 6/11, details in patch. > > 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: vivid: Add an rectangle control > media: uvcvideo: support V4L2_CTRL_WHICH_MIN/MAX_VAL > media: uvcvideo: implement UVC v1.5 ROI > media: uvcvideo: initilaize ROI control to default value > media: uvcvideo: document UVC v1.5 ROI > > .../userspace-api/media/drivers/uvcvideo.rst | 64 +- > .../media/v4l/vidioc-g-ext-ctrls.rst | 20 +- > .../media/v4l/vidioc-queryctrl.rst | 14 + > .../media/videodev2.h.rst.exceptions | 4 + > drivers/media/i2c/imx214.c | 5 +- > .../media/platform/qcom/venus/venc_ctrls.c | 9 +- > .../media/test-drivers/vivid/vivid-ctrls.c | 34 + > drivers/media/usb/uvc/uvc_ctrl.c | 721 ++++++++++++++---- > drivers/media/usb/uvc/uvc_v4l2.c | 18 +- > drivers/media/usb/uvc/uvcvideo.h | 24 +- > drivers/media/v4l2-core/v4l2-ctrls-api.c | 54 +- > drivers/media/v4l2-core/v4l2-ctrls-core.c | 176 ++++- > 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 | 5 + > 18 files changed, 1001 insertions(+), 210 deletions(-) > > -- > 2.41.0.694.ge786442a9b-goog >
