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meta-digi: Add Edge TPU simple camera examples 

This commit adds the Edge TPU simple camera examples to exercise the Google
Coral devices with Digi Embedded Yocto.

https://onedigi.atlassian.net/browse/DEL-7547

Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
This commit is contained in:
Arturo Buzarra 2021-06-25 19:55:21 +02:00
parent 6316ec9cc5
commit 0c9a497de9
2 changed files with 61 additions and 0 deletions
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27
meta-digi-arm/recipes-bsp/libedgetpu/files/0001-gstreamer-fix-video-sink-for-wayland-images.patch Normal file
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@ -0,0 +1,27 @@
From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Mon, 28 Jun 2021 15:00:58 +0200
Subject: [PATCH] gstreamer: fix video sink for wayland images
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
gstreamer/gstreamer.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gstreamer/gstreamer.py b/gstreamer/gstreamer.py
index 2676439..e055d77 100644
--- a/gstreamer/gstreamer.py
+++ b/gstreamer/gstreamer.py
@@ -249,11 +249,11 @@ def run_pipeline(user_function,
scale_caps = 'video/x-raw,width={width},height={height}'.format(width=scale[0], height=scale[1])
PIPELINE += """ ! tee name=t
t. ! {leaky_q} ! videoconvert ! videoscale ! {scale_caps} ! videobox name=box autocrop=true
! {sink_caps} ! {sink_element}
t. ! {leaky_q} ! videoconvert
- ! rsvgoverlay name=overlay ! videoconvert ! ximagesink sync=false
+ ! rsvgoverlay name=overlay ! videoconvert ! waylandsink sync=false
"""
SINK_ELEMENT = 'appsink name=appsink emit-signals=true max-buffers=1 drop=true'
SINK_CAPS = 'video/x-raw,format=RGB,width={width},height={height}'
LEAKY_Q = 'queue max-size-buffers=1 leaky=downstream'
--

34
meta-digi-arm/recipes-bsp/libedgetpu/libedgetpu-examples_git.bb Normal file
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SUMMARY = "Edge TPU simple camera examples"
HOMEPAGE = "https://coral.ai/examples"
LICENSE = "Apache-2.0"
LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
SRCREV = "19335531f599133e054ec2ddcc31733d24031ba5"
SRC_URI = "git://github.com/google-coral/examples-camera.git;protocol=https \
file://0001-gstreamer-fix-video-sink-for-wayland-images.patch \
"
S = "${WORKDIR}/git"
inherit gobject-introspection
RDEPENDS_${PN} = "python3-pycoral \
gstreamer1.0-plugins-base \
"
do_configure() {
bash download_models.sh
}
do_install() {
# Install Gstreamer examples
install -d ${D}/opt/libedgetpu
install -d ${D}/opt/libedgetpu/all_models
install -d ${D}/opt/libedgetpu/gstreamer
rm -f ${S}/gstreamer/install_requirements.sh
install -m 0555 ${S}/all_models/* ${D}/opt/libedgetpu/all_models/
install -m 0555 ${S}/gstreamer/* ${D}/opt/libedgetpu/gstreamer/
}
FILES_${PN} += "/opt/libedgetpu/* \
"