# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required(VERSION 3.20)
project(v4l2_imx274_player CXX)

# Finds the package holoscan
find_package(holoscan REQUIRED CONFIG
             PATHS "/opt/nvidia/holoscan" "/workspace/holoscan-sdk/install")

# Create example
add_executable(v4l2_imx274_player
  v4l2_imx274_player.cpp
)

target_link_libraries(v4l2_imx274_player
  PRIVATE
  holoscan::core
  holoscan::ops::v4l2
  holoscan::ops::raw_image_processor
  holoscan::ops::bayer_demosaic
  holoscan::ops::holoviz
)

# Copy config file
add_custom_target(v4l2_imx274_player_yaml
  COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/v4l2_imx274_player.yaml" ${CMAKE_CURRENT_BINARY_DIR}
  DEPENDS "v4l2_imx274_player.yaml"
  BYPRODUCTS "v4l2_imx274_player.yaml"
)

add_dependencies(v4l2_imx274_player v4l2_imx274_player_yaml)

# Testing
option(HOLOSCAN_BUILD_V4L2_TESTS "Build tests for V4L2 loopback" OFF)
if(BUILD_TESTING AND HOLOSCAN_BUILD_V4L2_TESTS)
  # Assumes that the v4l2 video loopback has already been mounted and the yaml files have been
  # updated to use the virtual loopback device.

  add_test(NAME EXAMPLE_CPP_V4L2_IMX274_TEST
           COMMAND "${CMAKE_CURRENT_BINARY_DIR}/v4l2_imx274_player" --frame-limit 10
           WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
          )
  set_tests_properties(EXAMPLE_CPP_V4L2_IMX274_TEST PROPERTIES
                       PASS_REGULAR_EXPRESSION "Application has finished running")

endif()
