#!/bin/bash
# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


arch=$(uname -m)

if [[ "$arch" == "aarch64" || "$arch" == "arm64" ]]; then
  export DEBIAN_FRONTEND=noninteractive && \
  apt-get update && \
  apt-get install -y build-essential python3-dev python3-setuptools make cmake \
                     ffmpeg libavcodec-dev libavfilter-dev libavformat-dev libavutil-dev git ssh unzip nano python3-pip && \
  git clone --recursive https://github.com/dmlc/decord && \
  cd decord && \
  find . -type f -exec sed -i "s/AVInputFormat \*/const AVInputFormat \*/g" {} \; && \
  sed -i "s/[[:space:]]AVCodec \*dec/const AVCodec \*dec/" src/video/video_reader.cc && \
  sed -i "s/avcodec\.h>/avcodec\.h>\n#include <libavcodec\/bsf\.h>/" src/video/ffmpeg/ffmpeg_common.h && \
  mkdir build && cd build && \
  scp ../../Video_Codec_SDK_13.0.19.zip . && \
  unzip Video_Codec_SDK_13.0.19.zip && \
  cp Video_Codec_SDK_13.0.19/Lib/linux/stubs/aarch64/* /usr/local/cuda/lib64/ && \
  cp Video_Codec_SDK_13.0.19/Interface/* /usr/local/cuda/include && \
  cmake .. -DUSE_CUDA=ON -DCMAKE_BUILD_TYPE=Release && \
  make -j 4 && \
  cd ../python && python3 setup.py install
fi