:alt: vbi_hsync.svg
:align: center
- **Figure 4.1. Line synchronization**
+ Line synchronization
.. _vbi-525:
:alt: vbi_525.svg
:align: center
- **Figure 4.2. ITU-R 525 line numbering (M/NTSC and M/PAL)**
+ ITU-R 525 line numbering (M/NTSC and M/PAL)
.. _vbi-625:
:alt: vbi_625.svg
:align: center
- **Figure 4.3. ITU-R 625 line numbering**
+ ITU-R 625 line numbering
Remember the VBI image format depends on the selected video standard,
therefore the application must choose a new standard or query the
:alt: subdev-image-processing-crop.svg
:align: center
- **Figure 4.5. Image processing in subdevs: simple crop example**
+ Image processing in subdevs: simple crop example
In the above example, the subdev supports cropping on its sink pad. To
configure it, the user sets the media bus format on the subdev's sink
:alt: subdev-image-processing-scaling-multi-source.svg
:align: center
- **Figure 4.6. Image processing in subdevs: scaling with multiple sources**
+ Image processing in subdevs: scaling with multiple sources
In this example, the subdev is capable of first cropping, then scaling
and finally cropping for two source pads individually from the resulting
:alt: subdev-image-processing-full.svg
:align: center
- **Figure 4.7. Image processing in subdevs: scaling and composition with multiple sinks and sources**
+ Image processing in subdevs: scaling and composition with multiple sinks and sources
The subdev driver supports two sink pads and two source pads. The images
from both of the sink pads are individually cropped, then scaled and