commit de4f55dabcaa0bb2eea7f96c27e0e4ce9bff7470
author Cindy Liu <hcindyl@google.com> Thu Dec 03 09:16:45 2020 -0800
committer Cindy Liu <hcindyl@google.com> Thu Dec 03 10:32:18 2020 -0800
tree b2ce0d107b5a93734e5f317aa83ed7177ff72d04
parent fc0ac489fe77062462604e4c2d6a59264a61a083

Explicitly set video streaming pipe v4l2convert src caps

Explicitly set the cap based on the render_size specified in the layout
so we don't have free scaling elements connected in the pipeline,
causing the change of the frame aspect ratio.

Change-Id: I67a6c8bd557384c821aeed8b274a6b03a2f38530

edgetpuvision/pipelines.py

diff --git a/edgetpuvision/pipelines.py b/edgetpuvision/pipelines.py
index ad18211..73692c2 100644
--- a/edgetpuvision/pipelines.py
+++ b/edgetpuvision/pipelines.py
@@ -123,7 +123,8 @@
          Queue(),
          Filter('decodebin'),
          Filter('v4l2convert'),
-         Caps('video/x-raw,format=BGRA'),
+         Caps('video/x-raw,width=%d,height=%d,format=BGRA' % (
+            layout.render_size.width, layout.render_size.height)),
          Filter('glupload'),
          Filter('glcolorconvert'),
          Caps('video/x-raw(memory:GLMemory),format=RGBA'),