[PATCH] doc: gstreamer: Add missing queues
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Fri Feb 2 10:24:11 CET 2024
Hi Nicolas,
Thank you for the patch.
On Fri, Feb 02, 2024 at 10:08:05AM +0100, Nicolas Dufresne wrote:
> From: Nicolas Dufresne <nicolas.dufresne at collabora.com>
>
> As libcamerasrc reports some latency, a queue is needed in order to store the
> data in case the buffers has been produced slightly ahead of our reported
> latency.
I fully trust your expertise on this :-)
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Signed-off-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
> ---
> README.rst | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/README.rst b/README.rst
> index 6b764fb7..cc39cd5f 100644
> --- a/README.rst
> +++ b/README.rst
> @@ -134,7 +134,7 @@ onto the OpenGL accelerated display element on your system.
>
> .. code::
>
> - gst-launch-1.0 libcamerasrc camera-name="Camera 1" ! glimagesink
> + gst-launch-1.0 libcamerasrc camera-name="Camera 1" ! queue ! glimagesink
>
> To show the first camera found you can omit the camera-name property, or you
> can list the cameras and their capabilities using:
> @@ -149,7 +149,7 @@ if desired with a pipeline such as:
> .. code::
>
> gst-launch-1.0 libcamerasrc ! 'video/x-raw,width=1280,height=720' ! \
> - glimagesink
> + queue ! glimagesink
>
> The libcamerasrc element has two log categories, named libcamera-provider (for
> the video device provider) and libcamerasrc (for the operation of the camera).
> @@ -165,7 +165,7 @@ the following example could be used as a starting point:
>
> gst-launch-1.0 libcamerasrc ! \
> video/x-raw,colorimetry=bt709,format=NV12,width=1280,height=720,framerate=30/1 ! \
> - jpegenc ! multipartmux ! \
> + queue ! jpegenc ! multipartmux ! \
> tcpserversink host=0.0.0.0 port=5000
>
> Which can be received on another device over the network with:
--
Regards,
Laurent Pinchart
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