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+#----------------------------------------------------------------------------
+# Copyright (c) 2021 Arm Limited. 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.
+#----------------------------------------------------------------------------
+
+# If the path to a directory or source file has been defined,
+# get the type here (FILEPATH or PATH):
+if (DEFINED ${use_case}_FILE_PATH)
+ get_path_type(${${use_case}_FILE_PATH} PATH_TYPE)
+
+ # Set the default type if path is not a dir or file path (or undefined)
+ if (NOT ${PATH_TYPE} STREQUAL PATH AND NOT ${PATH_TYPE} STREQUAL FILEPATH)
+ message(FATAL_ERROR "Invalid ${use_case}_FILE_PATH. It should be a dir or file path.")
+ endif()
+else()
+ # Default is a directory path
+ set(PATH_TYPE PATH)
+endif()
+
+message(STATUS "${use_case}_FILE_PATH is of type: ${PATH_TYPE}")
+
+USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single input WAV file, to use in the evaluation application."
+ ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
+ ${PATH_TYPE})
+
+USER_OPTION(${use_case}_AUDIO_RATE "Specify the target sampling rate. Default is 16000."
+ 16000
+ STRING)
+
+USER_OPTION(${use_case}_AUDIO_MONO "Specify if the audio needs to be converted to mono. Default is ON."
+ ON
+ BOOL)
+
+USER_OPTION(${use_case}_AUDIO_OFFSET "Specify the offset to start reading after this time (in seconds). Default is 0."
+ 0
+ STRING)
+
+USER_OPTION(${use_case}_AUDIO_DURATION "Specify the audio duration to load (in seconds). If set to 0 the entire audio will be processed."
+ 0
+ STRING)
+
+USER_OPTION(${use_case}_AUDIO_RES_TYPE "Specify re-sampling algorithm to use. By default is 'kaiser_best'."
+ kaiser_best
+ STRING)
+
+USER_OPTION(${use_case}_AUDIO_MIN_SAMPLES "Specify the minimum number of samples to use. By default is amount needed to do one inference,
+ if the audio is shorter then it will be automatically padded."
+ 33280
+ STRING)
+
+USER_OPTION(${use_case}_MODEL_SCORE_THRESHOLD "Specify the score threshold for a result to be deemed anomalous."
+ -0.8
+ STRING)
+
+generate_audio_code(${${use_case}_FILE_PATH} ${SRC_GEN_DIR} ${INC_GEN_DIR}
+ ${${use_case}_AUDIO_RATE}
+ ${${use_case}_AUDIO_MONO}
+ ${${use_case}_AUDIO_OFFSET}
+ ${${use_case}_AUDIO_DURATION}
+ ${${use_case}_AUDIO_RES_TYPE}
+ ${${use_case}_AUDIO_MIN_SAMPLES})
+
+USER_OPTION(${use_case}_ACTIVATION_BUF_SZ "Activation buffer size for the chosen model"
+ 0x00200000
+ STRING)
+
+# If there is no tflite file pointed to
+if (NOT DEFINED ${use_case}_MODEL_TFLITE_PATH)
+
+ set(MODEL_RESOURCES_DIR ${DOWNLOAD_DEP_DIR}/${use_case})
+ file(MAKE_DIRECTORY ${MODEL_RESOURCES_DIR})
+ set(MODEL_FILENAME ad_med_nov11_int8.tflite)
+ set(DEFAULT_MODEL_PATH ${MODEL_RESOURCES_DIR}/${MODEL_FILENAME})
+
+ # TODO: Download the model here for this use case when available on Model Zoo.
+ # For now we write a place holder file.
+ file(WRITE ${DEFAULT_MODEL_PATH} "Placeholder")
+else()
+ set(DEFAULT_MODEL_PATH "N/A")
+endif()
+
+set(EXTRA_MODEL_CODE
+ "/* Model parameters for ${use_case} */"
+ "extern const int g_FrameLength = 1024"
+ "extern const int g_FrameStride = 512"
+ "extern const float g_ScoreThreshold = ${${use_case}_MODEL_SCORE_THRESHOLD}"
+ "extern const float g_TrainingMean = -30"
+ )
+
+USER_OPTION(${use_case}_MODEL_TFLITE_PATH "NN models file to be used in the evaluation application. Model files must be in tflite format."
+ ${DEFAULT_MODEL_PATH}
+ FILEPATH)
+
+# Generate model file
+generate_tflite_code(
+ MODEL_PATH ${${use_case}_MODEL_TFLITE_PATH}
+ DESTINATION ${SRC_GEN_DIR}
+ EXPRESSIONS ${EXTRA_MODEL_CODE}
+)