Gstreamer build on Nvidia jetson platform

build_and_install_gstreamer.sh

#!/bin/bash

cwd="$(realpath $( cd "$(dirname "$0")" ; pwd -P )/.. )"

cd $cwd

function usage() {
   echo "usage: [PATH FOR BUILD FOLDER] [GSTREAMER VERSION] [INSTALLATION_PATH] [PATH TO NVIDIA LIBRARIES]"
}

if [ "$#" -ne 4 ]; then
   usage
   exit -1
fi


MESON=$(which meson)
if [ -z "$MESON" ]; then
  echo "meson not found in path, please install via these instructions:"
  echo "pip3 install --user meson"
  exit -1
fi

NINJA=$(which ninja)
if [ -z "$NINJA" ]; then
  echo "ninja not found in path, please install via these instructions: https://github.com/GStreamer/gst-build"
  echo "for ubuntu, use the following"
  echo "sudo apt install ninja-build"
  exit -1
fi

PATH_TO_BUILD=$1
VERSION=$2
INSTALLATION_PATH=$3
NVIDIA_LIBS=$4

mkdir -p $PATH_TO_BUILD

git clone git@github.com:GStreamer/gst-build.git $PATH_TO_BUILD
pushd $PATH_TO_BUILD

git checkout $VERSION

meson --reconfigure --prefix=$INSTALLATION_PATH ./build-$VERSION/ -Dgst-plugins-bad:nvcodec=enabled
ninja -C build-$VERSION
sudo $MESON install -C ./build-$VERSION/

# copy nvidia libraries
sudo cp $NVIDIA_LIBS/libgstnv* $INSTALLATION_PATH/lib/aarch64-linux-gnu/
sudo cp $NVIDIA_LIBS/libgstomx.so $INSTALLATION_PATH/lib/aarch64-linux-gnu/

echo "To use the custom installation of gstreamer, set the following in your environment:"
echo "LD_LIBRARY_PATH=$INSTALLATION_PATH/lib/aarch64-linux-gnu:\$LD_LIBRARY_PATH"
echo "PATH=$INSTALLATION_PATH/bin:\$PATH"