| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | crop.rst | 7 Image Cropping, Insertion and Scaling -- the CROP API
21 abilities cropping and scaling. Some video output devices can scale an
35 device the source is the video signal, and the cropping ioctls determine
45 the video signal, and the cropping ioctls determine the area where the
59 Cropping Structures
69 Image Cropping, Insertion and Scaling
71 The cropping, insertion and scaling process
112 Video hardware can have various cropping, insertion and scaling
134 of 16 × 16 pixels. The source cropping rectangle is set to defaults,
139 then chooses the cropping rectangle closest to the requested size, that
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| H A D | vidioc-g-crop.rst | 13 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
89 - Cropping rectangle. The same co-ordinate system as for struct
110 Cropping is not supported for this input or output.
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| H A D | selection-api-vs-crop-api.rst | 7 Comparison with old cropping API
12 capture devices. Later the cropping API was adopted by video output
16 selection API makes a clear distinction between composing and cropping
19 The CROP API lacks any support for composing to and cropping from an
22 API. Cropping a smaller image from a larger one is achieved by setting
31 cropping/composing in a clear, intuitive and portable way. Next, with
40 former cropping API would be simulated using the new one.
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| H A D | selection-api-intro.rst | 13 these abilities cropping, scaling and composing.
16 cropping target determine the area actually sampled. The sink is an
21 and the cropping target is a part of an image to be shown on a display.
26 Rectangles for all cropping and composing targets are defined even if
27 the device does supports neither cropping nor composing. Their size and
29 scaling then the cropping and composing rectangles have the same size.
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| H A D | selection-api-configuration.rst | 12 Video hardware can have various cropping, composing and scaling
16 time the cropping/composing rectangles may have to be aligned, and both
29 configure the cropping targets before to the composing targets.
40 active cropping area must lie completely inside the capture boundaries.
85 image into a video signal. The cropping rectangles refer to a memory
87 the cropping targets.
89 The cropping targets refer to the memory buffer that contains an image
91 cropping coordinates are obtained using ``V4L2_SEL_TGT_CROP_BOUNDS``.
99 same coordinate system as the bounds rectangle. The active cropping area
104 For output devices the default cropping rectangle is queried using
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| H A D | vidioc-cropcap.rst | 13 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
133 Cropping is not supported for this input or output.
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| H A D | vidioc-g-selection.rst | 40 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>`.
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| H A D | dev-capture.rst | 42 :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.
61 Cropping initialization at minimum requires to reset the parameters to
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| H A D | dev-output.rst | 40 :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.
59 Cropping initialization at minimum requires to reset the parameters to
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| H A D | selection-api-targets.rst | 15 Cropping and composing targets
17 Targets used by a cropping, composing and scaling process
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| H A D | diff-v4l.rst | 122 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.
457 Cropping chapter
472 the V4L2 API the scaling factor is implied by the size of the cropping
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| H A D | dev-overlay.rst | 62 :ref:`cropping and scaling <crop>` and
123 The overlaid image is determined by cropping and overlay window
125 the latter how images are overlaid and clipped. Cropping initialization
151 of the cropping rectangle. For more information see :ref:`crop`.
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| H A D | vidioc-subdev-g-crop.rst | 50 code if the input arguments are invalid, or if cropping is not supported
122 the ``which`` field has an unsupported value, or cropping is not supported
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| H A D | selection-api.rst | 6 Cropping, composing and scaling -- the SELECTION API
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| H A D | dev-radio.rst | 36 video standard, cropping and scaling, compression and streaming
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| H A D | v4l2-selection-targets.rst | 40 - Suggested cropping rectangle that covers the "whole picture".
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| H A D | selection-api-examples.rst | 12 Example: Resetting the cropping parameters
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| /linux/drivers/media/platform/ti/omap/ |
| H A D | omap_voutlib.c | 37 /* Return the default overlay cropping rectangle in crop given the image
39 * cropping rectangle is the largest rectangle no larger than the capture size
40 * that will fit on the display. The default cropping rectangle is centered in
108 * nearest supported configuration. The image cropping window in crop
130 /* Adjust the cropping window to allow for resizing limitation */ in omap_vout_new_window()
159 /* Given a new cropping rectangle in new_crop, adjust the cropping rectangle to
163 * window would fall outside the display boundaries, the cropping rectangle
166 * Returns zero if successful, or -EINVAL if the requested cropping rectangle is
179 /* adjust the cropping rectangle so it fits in the image */ in omap_vout_new_crop()
225 * cropping height to maintain the vertical resizing ratio. in omap_vout_new_crop()
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| /linux/Documentation/admin-guide/media/ |
| H A D | rkisp1.rst | 77 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
90 Cropping on sink pad 0 defines the image region from the sensor.
91 Cropping on source pad 2 defines the region for the Image Stabilizer (IS).
137 node with dimension 900x800 planar format YUV 4:2:2. It uses all cropping
171 In addition, the rkisp1_isp:0 pad is configured to cropping `(0,0)/1600x1200`.
173 The cropping dimensions are automatically propagated to be the format of the
174 isp source pad `rkisp1_isp:2`. Another cropping operation is configured on
179 link. In addition a cropping `(300,400)/1400x1000` is configured on it.
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| H A D | vivid.rst | 202 of cropping, composing and scaling capabilities and this will tell the
211 Enable crop support. Cropping will take only part of the
227 discrete framesizes and that is incompatible with cropping, composing
234 of cropping, composing and scaling capabilities and this will tell the
243 Enable crop support. Cropping will take only part of the
828 - Enable Capture Cropping:
868 - Enable Output Cropping:
1229 Cropping, Composing, Scaling
1232 This driver supports cropping, composing and scaling in any combination. Normally
1240 Note that the webcam input never supports cropping, composing or scaling. That
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| /linux/Documentation/driver-api/media/drivers/ |
| H A D | sh_mobile_ceu_camera.rst | 3 Cropping and Scaling algorithm, used in the sh_mobile_ceu_camera driver
16 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
127 Cropping is performed in the following 6 steps:
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| /linux/include/uapi/linux/ |
| H A D | v4l2-common.h | 26 /* Current cropping area */
28 /* Default cropping area */
30 /* Cropping bounds */
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| /linux/drivers/media/i2c/ |
| H A D | tvp5150_reg.h | 39 #define TVP5150_ACT_VD_CROP_ST_MSB 0x11 /* Active video cropping start MSB */
40 #define TVP5150_ACT_VD_CROP_ST_LSB 0x12 /* Active video cropping start LSB */
41 #define TVP5150_ACT_VD_CROP_STP_MSB 0x13 /* Active video cropping stop MSB */
42 #define TVP5150_ACT_VD_CROP_STP_LSB 0x14 /* Active video cropping stop LSB */
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| /linux/drivers/media/platform/chips-media/coda/ |
| H A D | coda-h264.c | 239 * coda_h264_sps_fixup - fixes frame cropping values in h.264 SPS
247 * Rewrites the frame cropping values in an h.264 SPS RBSP correctly for the
361 /* Mark position of the frame cropping flag */ in coda_h264_sps_fixup()
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | nxp,dw100.yaml | 18 The engine can be used to perform scaling, cropping and pixel format
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