[libcamera-devel] [PATCH v1 2/3] doc: gstreamer: Add missing queues

Nicolas Dufresne nicolas at ndufresne.ca
Fri Mar 24 18:40:08 CET 2023


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.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
---
 README.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.rst b/README.rst
index 34b6b49f..52cde91c 100644
--- a/README.rst
+++ b/README.rst
@@ -133,7 +133,7 @@ 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:
@@ -164,7 +164,7 @@ 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:
-- 
2.39.2



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