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media: imx.rst: Provide streaming examples for imx6q-sabresd

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Improve the documentation by providing examples on how to test camera
capture on imx6q-sabresd via v4l2-ctl and Gstreamer.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Steve Longerbeam<slongerbeam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Fabio Estevam 2020-04-09 18:29:45 +02:00 committed by Mauro Carvalho Chehab
parent 8a4676d6e6
commit d00c9761af
1 changed files with 45 additions and 0 deletions
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Documentation/admin-guide/media/imx.rst
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@ -609,6 +609,28 @@ Streaming can then begin on "ipu1_csi0 capture" node. The v4l2-ctl
tool can be used to select any supported pixelformat on the capture
device node.
To determine what is the /dev/video node correspondent to
"ipu1_csi0 capture":
.. code-block:: none
media-ctl -e "ipu1_csi0 capture"
/dev/video0
/dev/video0 is the streaming element in this case.
Starting the streaming via v4l2-ctl:
.. code-block:: none
v4l2-ctl --stream-mmap -d /dev/video0
Starting the streaming via Gstreamer and sending the content to the display:
.. code-block:: none
gst-launch-1.0 v4l2src device=/dev/video0 ! kmssink
The following example configures a direct conversion pipeline to capture
from the OV5640, transmitting on MIPI CSI-2 virtual channel 0. It also
shows colorspace conversion and scaling at IC output.
@ -634,6 +656,29 @@ shows colorspace conversion and scaling at IC output.
Streaming can then begin on "ipu1_ic_prpenc capture" node.
To determine what is the /dev/video node correspondent to
"ipu1_ic_prpenc capture":
.. code-block:: none
media-ctl -e "ipu1_ic_prpenc capture"
/dev/video1
/dev/video1 is the streaming element in this case.
Starting the streaming via v4l2-ctl:
.. code-block:: none
v4l2-ctl --stream-mmap -d /dev/video1
Starting the streaming via Gstreamer and sending the content to the display:
.. code-block:: none
gst-launch-1.0 v4l2src device=/dev/video1 ! kmssink
Known Issues
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