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/linux-6.1.9/Documentation/userspace-api/media/v4l/
Dselection-api-intro.rst12 these abilities cropping, scaling and composing.
15 cropping target determine the area actually sampled. The sink is an
20 and the cropping target is a part of an image to be shown on a display.
25 Rectangles for all cropping and composing targets are defined even if
26 the device does supports neither cropping nor composing. Their size and
28 scaling then the cropping and composing rectangles have the same size.
Dselection-api-vs-crop-api.rst6 Comparison with old cropping API
11 capture devices. Later the cropping API was adopted by video output
15 selection API makes a clear distinction between composing and cropping
18 The CROP API lacks any support for composing to and cropping from an
30 cropping/composing in a clear, intuitive and portable way. Next, with
39 former cropping API would be simulated using the new one.
Dvidioc-g-crop.rst13 VIDIOC_G_CROP - VIDIOC_S_CROP - Get or set the current cropping rectangle
38 To query the cropping rectangle size and position applications set the
42 structure or returns the ``EINVAL`` error code if cropping is not supported.
44 To change the cropping rectangle applications initialize the ``type``
53 offset of the cropping rectangle to frame lines modulo two, such that
61 Finally the driver programs the hardware with the actual cropping and
65 parameters are unsuitable the application may modify the cropping or
69 When cropping is not supported then no parameters are changed and
Dcrop.rst20 abilities cropping and scaling. Some video output devices can scale an
34 device the source is the video signal, and the cropping ioctls determine
44 the video signal, and the cropping ioctls determine the area where the
70 The cropping, insertion and scaling process
111 Video hardware can have various cropping, insertion and scaling
133 of 16 × 16 pixels. The source cropping rectangle is set to defaults,
138 then chooses the cropping rectangle closest to the requested size, that
140 still valid, thus unmodified. Given the default cropping rectangle
142 easily propose another offset to center the cropping rectangle.
145 aspect ratio closer to the original request, so it asks for a cropping
[all …]
Dselection-api-configuration.rst11 Video hardware can have various cropping, composing and scaling
15 time the cropping/composing rectangles may have to be aligned, and both
28 configure the cropping targets before to the composing targets.
39 active cropping area must lie completely inside the capture boundaries.
84 image into a video signal. The cropping rectangles refer to a memory
86 the cropping targets.
88 The cropping targets refer to the memory buffer that contains an image
90 cropping coordinates are obtained using ``V4L2_SEL_TGT_CROP_BOUNDS``.
98 same coordinate system as the bounds rectangle. The active cropping area
103 For output devices the default cropping rectangle is queried using
Dvidioc-cropcap.rst13 VIDIOC_CROPCAP - Information about the video cropping and scaling abilities
34 Applications use this function to query the cropping limits, the pixel
43 support cropping and/or scaling and/or have non-square pixels, and for
65 areas. The cropping rectangle cannot exceed these limits. Width
71 - Default cropping rectangle, it shall cover the "whole picture".
82 When cropping coordinates refer to square pixels, the driver sets
Dvidioc-g-selection.rst40 To query the cropping (composing) rectangle set struct
50 cropping (composing) is not supported then the active rectangle is not
53 the current cropping (composing) coordinates. The coordinates are
58 To change the cropping (composing) rectangle set the struct
109 application may modify the cropping (composing) or image parameters and
146 :ref:`cropping and composing rectangles <v4l2-selections-common>`.
Ddev-output.rst40 :ref:`cropping and scaling <crop>` and
48 The output is determined by cropping and image format parameters. The
57 they really get what they want, including cropping and scaling.
Dselection-api-targets.rst16 Targets used by a cropping, composing and scaling process
Ddev-capture.rst42 :ref:`cropping and scaling <crop>` and
50 The result of a capture operation is determined by cropping and image
59 they really get what they want, including cropping and scaling.
Ddev-subdev.rst337 Selections: cropping, scaling and composition
340 Many sub-devices support cropping frames on their input or output pads
354 On sink pads, cropping is applied relative to the current pad format.
373 On source pads, cropping is similar to sink pads, with the exception
374 that the source size from which the cropping is performed, is the
460 In the above example, the subdev supports cropping on its sink pad. To
477 In this example, the subdev is capable of first cropping, then scaling
478 and finally cropping for two source pads individually from the resulting
481 rectangles refer to the sink scaling rectangle, independently cropping
Dvidioc-subdev-g-crop.rst50 code if the input arguments are invalid, or if cropping is not supported
120 non-existing format, or cropping is not supported on the given
Dselection-api-examples.rst11 Example: Resetting the cropping parameters
Dv4l2-selection-targets.rst39 - Suggested cropping rectangle that covers the "whole picture".
Ddev-radio.rst35 video standard, cropping and scaling, compression and streaming
Ddiff-v4l.rst122 implies the scale factor by setting the cropping dimensions and
126 cropping and scaling see :ref:`crop`.
137 of the full picture ("cropping" in V4L2). If not, the ioctl
138 returns the ``EINVAL`` error code. For more information on cropping
169 current video standard, cropping and scaling limitations.
472 the V4L2 API the scaling factor is implied by the size of the cropping
/linux-6.1.9/Documentation/admin-guide/media/
Drkisp1.rst77 YUV4:2:2 -> YUV4:2:0). They also have cropping capability on the sink pad.
88 the CSI-2 protocol. It has a cropping capability on sink pad 0 that is
130 node with dimension 900x800 planar format YUV 4:2:2. It uses all cropping
164 In addition, the rkisp1_isp:0 pad is configured to cropping `(0,0)/1600x1200`.
166 The cropping dimensions are automatically propagated to be the format of the
167 isp source pad `rkisp1_isp:2`. Another cropping operation is configured on
172 link. In addition a cropping `(300,400)/1400x1000` is configured on it.
/linux-6.1.9/Documentation/driver-api/media/drivers/
Dsh_mobile_ceu_camera.rst16 Generic scaling / cropping scheme
107 9. Use CEU cropping to crop to the new window:
124 We choose to follow the advise and interpret cropping units as client input
Dcpia2_devel.rst45 user mode (vga, qvga), scaling, cropping, framerates, and so on. The last
/linux-6.1.9/drivers/staging/media/atomisp/pci/css_2401_system/
Disys_dma_global.h47 u32 cropping; member
/linux-6.1.9/drivers/staging/media/deprecated/saa7146/av7110/
Dvideo_types.rst40 cropping of the picture. This can be done using the
191 video_displayformat_t display_format;/* selected cropping mode */
201 Finally, display_format corresponds to the selected cropping mode in
Dvideo-get-status.rst64 video_displayformat_t display_format;/* selected cropping mode */
/linux-6.1.9/Documentation/devicetree/bindings/media/
Dnxp,dw100.yaml18 The engine can be used to perform scaling, cropping and pixel format
/linux-6.1.9/arch/alpha/lib/
Dmemchr.S47 # that we will never have a 56-bit address space, cropping
/linux-6.1.9/Documentation/driver-api/media/
Dcamera-sensor.rst55 processing pipeline as one or more sub-devices with different cropping and
57 of cropping and scaling operations from the device's pixel array's size.

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