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| author | Fabio Estevam <festevam@gmail.com> | 2020-04-09 18:29:45 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-21 13:30:32 +0200 |
| commit | d00c9761afe7808ed742741c95bd536e0a648676 (patch) | |
| tree | 2e38b1dd46a26dbcf20a60fc6aed22515a9e7431 /Documentation/admin-guide/media/imx.rst | |
| parent | 8a4676d6e627ed3c7a48c827e23f71e3e91dd3dd (diff) | |
media: imx.rst: Provide streaming examples for imx6q-sabresd
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>
Diffstat (limited to 'Documentation/admin-guide/media/imx.rst')
| -rw-r--r-- | Documentation/admin-guide/media/imx.rst | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/admin-guide/media/imx.rst b/Documentation/admin-guide/media/imx.rst index 64f5b550d0e1..b8fa70f854fd 100644 --- a/Documentation/admin-guide/media/imx.rst +++ b/Documentation/admin-guide/media/imx.rst @@ -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 ------------ |