diff options
Diffstat (limited to 'Documentation/DocBook/media/v4l/dev-subdev.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/dev-subdev.xml | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/Documentation/DocBook/media/v4l/dev-subdev.xml b/Documentation/DocBook/media/v4l/dev-subdev.xml index 4afcbbe..e88d5ea 100644 --- a/Documentation/DocBook/media/v4l/dev-subdev.xml +++ b/Documentation/DocBook/media/v4l/dev-subdev.xml @@ -289,9 +289,9 @@ &v4l2-rect; by the coordinates of the top left corner and the rectangle size. Both the coordinates and sizes are expressed in pixels.</para> - <para>As for pad formats, drivers store try and active - rectangles for the selection targets of ACTUAL type <xref - linkend="v4l2-subdev-selection-targets">.</xref></para> + <para>As for pad formats, drivers store try and active rectangles for + the selection targets <xref + linkend="v4l2-subdev-selection-targets" />.</para> <para>On sink pads, cropping is applied relative to the current pad format. The pad format represents the image size as @@ -308,7 +308,7 @@ <para>Scaling support is optional. When supported by a subdev, the crop rectangle on the subdev's sink pad is scaled to the size configured using the &VIDIOC-SUBDEV-S-SELECTION; IOCTL - using <constant>V4L2_SUBDEV_SEL_COMPOSE_ACTUAL</constant> + using <constant>V4L2_SUBDEV_SEL_TGT_COMPOSE</constant> selection target on the same pad. If the subdev supports scaling but not composing, the top and left values are not used and must always be set to zero.</para> @@ -333,22 +333,22 @@ <title>Types of selection targets</title> <section> - <title>ACTUAL targets</title> + <title>Actual targets</title> - <para>ACTUAL targets reflect the actual hardware configuration - at any point of time. There is a BOUNDS target - corresponding to every ACTUAL.</para> + <para>Actual targets (without a postfix) reflect the actual + hardware configuration at any point of time. There is a BOUNDS + target corresponding to every actual target.</para> </section> <section> <title>BOUNDS targets</title> - <para>BOUNDS targets is the smallest rectangle that contains - all valid ACTUAL rectangles. It may not be possible to set the - ACTUAL rectangle as large as the BOUNDS rectangle, however. - This may be because e.g. a sensor's pixel array is not - rectangular but cross-shaped or round. The maximum size may - also be smaller than the BOUNDS rectangle.</para> + <para>BOUNDS targets is the smallest rectangle that contains all + valid actual rectangles. It may not be possible to set the actual + rectangle as large as the BOUNDS rectangle, however. This may be + because e.g. a sensor's pixel array is not rectangular but + cross-shaped or round. The maximum size may also be smaller than the + BOUNDS rectangle.</para> </section> </section> |