Lines Matching refs:field

23       - Image height in pixels. If ``field`` is one of ``V4L2_FIELD_TOP``,
25 	refers to the number of lines in the field, otherwise it refers to
26 	the number of lines in the frame (which is twice the field height
54       - ``field``
57 	capture or output only the top or bottom field, or both fields
59 	separate buffers. Drivers return the actual field order selected.
60 	For more details on fields see :ref:`field-order`.
67 	Both applications and drivers can set this field to request
71 	implies applications can just set this field to zero to get a
82 	``width`` field for the other planes. For example the Cb and Cr
100 	Clients are allowed to set the sizeimage field for variable length
114 	this field for a capture stream to request a specific colorspace
122       - This field indicates whether the remaining fields of the
137 	field to ``V4L2_PIX_FMT_PRIV_MAGIC``, initialize all the extended
139 	struct :c:type:`v4l2_format` ``raw_data`` field.
141 	When the ``priv`` field isn't set to ``V4L2_PIX_FMT_PRIV_MAGIC``
143 	On return drivers must set the ``priv`` field to
158 	this field for a capture stream to request a specific Y'CbCr encoding
161 	This field is ignored for HSV pixelformats. The driver indicates that
172 	field for a capture stream to request a specific HSV encoding for the
175 	This field is ignored for non-HSV pixelformats. The driver indicates
188 	this field for a capture stream to request a specific quantization
201 	this field for a capture stream to request a specific transfer function
231 	colorspace values. If the colorimetry field (``colorspace``, ``xfer_func``,
234 	So in order to change the quantization, only the ``quantization`` field shall