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 matrix control of signed 32-bit values. Valid if
191 this control is of type ``V4L2_CTRL_TYPE_INTEGER`` and
195 - A pointer to a matrix control of signed 64-bit values. Valid if
196 this control is of type ``V4L2_CTRL_TYPE_INTEGER64`` and
200 - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
204 - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is
208 - A pointer to a struct :c:type:`v4l2_ctrl_h264_pps`. Valid if this control is
212 - A pointer to a struct :c:type:`v4l2_ctrl_h264_scaling_matrix`. Valid if this control is
216 - A pointer to a struct :c:type:`v4l2_ctrl_h264_pred_weights`. Valid if this control is
220 - A pointer to a struct :c:type:`v4l2_ctrl_h264_slice_params`. Valid if this control is
224 - A pointer to a struct :c:type:`v4l2_ctrl_h264_decode_params`. Valid if this control is
228 - A pointer to a struct :c:type:`v4l2_ctrl_fwht_params`. Valid if this control is
232 - A pointer to a struct :c:type:`v4l2_ctrl_vp8_frame`. Valid if this control is
236 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_sequence`. Valid if this control is
240 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_picture`. Valid if this control is
244 - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_quantisation`. Valid if this control is
249 control is of type ``V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR``.
253 control is of type ``V4L2_CTRL_TYPE_VP9_FRAME``.
256 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is
260 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is
265 control is of type ``V4L2_CTRL_TYPE_HEVC_SPS``.
269 control is of type ``V4L2_CTRL_TYPE_HEVC_PPS``.
273 control is of type ``V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS``.
277 control is of type ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX``.
281 control is of type ``V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS``.
284 - A pointer to a struct :c:type:`v4l2_ctrl_av1_sequence`. Valid if this control is
288 - A pointer to a struct :c:type:`v4l2_ctrl_av1_tile_group_entry`. Valid if this control is
292 - A pointer to a struct :c:type:`v4l2_ctrl_av1_frame`. Valid if this control is
296 - A pointer to a struct :c:type:`v4l2_ctrl_av1_film_grain`. Valid if this control is
300 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is
304 - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is
309 and/or a compound type (the control's type is >=
311 ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is set for this control.
334 - Which value of the control to get/set/try.
336 the control, ``V4L2_CTRL_WHICH_DEF_VAL`` will return the default
337 value of the control and ``V4L2_CTRL_WHICH_REQUEST_VAL`` indicates that
344 get the default value of the control, you cannot set or try it.
346 For backwards compatibility you can also use a control class here
348 belong to that control class. This usage is deprecated, instead
351 that require a control class here. You can test for such drivers
365 - Index of the failing control. Set by the driver in case of an error.
367 with a particular control, then ``error_idx`` is set to the index
368 of that control. If the error is not related to a specific
369 control, or the validation step failed (see below), then
376 control or read from a write-only control, and any other up-front
393 control failed the validation. If the validation was successful
401 ``error_idx`` will just be set to the control that failed the
405 actual control that failed the validation step. Unfortunately,
431 .. flat-table:: Control classes
439 in :ref:`control`. All controls that can be set using the
510 more control values are in conflict.
517 The control is temporarily not changeable, possibly because another
518 applications took over control of the device function this control
524 The space reserved for the control's payload is insufficient. The
529 Attempt to try or set a read-only control, or to get a write-only
530 control, or to get a control from a request that has not yet been
536 Or if there is an attempt to set an inactive control and the driver is
537 not capable of caching the new value until the control is active again.