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@xxxxxxxxx> --- Changes since v1: - Use media-ctl -e to determine the video node. (Steve) Documentation/media/v4l-drivers/imx.rst | 45 +++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst index 955d27582e10..025f21def7dc 100644 --- a/Documentation/media/v4l-drivers/imx.rst +++ b/Documentation/media/v4l-drivers/imx.rst @@ -664,6 +664,28 @@ 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. @@ -689,6 +711,29 @@ 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 ------------ -- 2.17.1
