Lines Matching full:control
13 …C_S_EXT_CTRLS - VIDIOC_TRY_EXT_CTRLS - Get or set the value of several controls, try control values
43 atomically. Control IDs are grouped into control classes (see
44 :ref:`ctrl-class`) and all controls in the control array must belong
45 to the same control class.
60 If the ``size`` is too small to receive the control result (only
79 control values are valid.
93 :c:type:`v4l2_ext_control`. If the new control value
95 control), then this will also result in an ``EINVAL`` error code error.
116 The driver will only set/get these controls if all control values are
138 - Identifies the control, set by the application.
141 - The total size in bytes of the payload of this control.
164 - New value or current value. Valid if this control is not of type
169 - New value or current value. Valid if this control is of type
174 - A pointer to a string. Valid if this control is of type
178 - A pointer to a matrix control of unsigned 8-bit values. Valid if
179 this control is of type ``V4L2_CTRL_TYPE_U8``.
182 - A pointer to a matrix control of unsigned 16-bit values. Valid if
183 this control is of type ``V4L2_CTRL_TYPE_U16``.
186 - A pointer to a matrix control of unsigned 32-bit values. Valid if
187 this control is of type ``V4L2_CTRL_TYPE_U32``.
190 - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
194 - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is
198 - A pointer to a struct :c:type:`v4l2_ctrl_h264_pps`. Valid if this control is
202 - A pointer to a struct :c:type:`v4l2_ctrl_h264_scaling_matrix`. Valid if this control is
206 - A pointer to a struct :c:type:`v4l2_ctrl_h264_pred_weights`. Valid if this control is
210 - A pointer to a struct :c:type:`v4l2_ctrl_h264_slice_params`. Valid if this control is
214 - A pointer to a struct :c:type:`v4l2_ctrl_h264_decode_params`. Valid if this control is
218 - A pointer to a struct :c:type:`v4l2_ctrl_fwht_params`. Valid if this control is
222 - A pointer to a struct :c:type:`v4l2_ctrl_vp8_frame`. Valid if this control is
226 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_sequence`. Valid if this control is
230 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_picture`. Valid if this control is
234 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_quantisation`. Valid if this control is
238 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is
242 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is
247 and/or a compound type (the control's type is >=
249 ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is set for this control.
272 - Which value of the control to get/set/try.
274 the control, ``V4L2_CTRL_WHICH_DEF_VAL`` will return the default
275 value of the control and ``V4L2_CTRL_WHICH_REQUEST_VAL`` indicates that
282 get the default value of the control, you cannot set or try it.
284 For backwards compatibility you can also use a control class here
286 belong to that control class. This usage is deprecated, instead
289 that require a control class here. You can test for such drivers
303 - Index of the failing control. Set by the driver in case of an error.
305 with a particular control, then ``error_idx`` is set to the index
306 of that control. If the error is not related to a specific
307 control, or the validation step failed (see below), then
314 control or read from a write-only control, and any other up-front
331 control failed the validation. If the validation was successful
339 ``error_idx`` will just be set to the control that failed the
343 actual control that failed the validation step. Unfortunately,
369 .. flat-table:: Control classes
377 in :ref:`control`. All controls that can be set using the
448 more control values are in conflict.
455 The control is temporarily not changeable, possibly because another
456 applications took over control of the device function this control
462 The space reserved for the control's payload is insufficient. The
467 Attempt to try or set a read-only control, or to get a write-only
468 control, or to get a control from a request that has not yet been