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#----------------------------------------------------------------------------
# SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
# 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.
#----------------------------------------------------------------------------
# Append the API to use for this use case
list(APPEND ${use_case}_API_LIST "kws")
set_input_file_path_user_option(".wav" ${use_case})
USER_OPTION(${use_case}_LABELS_TXT_FILE "Labels' txt file for the chosen model."
${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/labels/micronet_kws_labels.txt
FILEPATH)
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 16000, if the audio is shorter will be automatically padded."
16000
STRING)
USER_OPTION(${use_case}_MODEL_SCORE_THRESHOLD "Specify the score threshold [0.0, 1.0) that must be applied to the inference results for a label to be deemed valid."
0.7
STRING)
# Generate input files
generate_audio_code(${${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})
# Generate labels file
set(${use_case}_LABELS_CPP_FILE Labels)
generate_labels_code(
INPUT "${${use_case}_LABELS_TXT_FILE}"
DESTINATION_SRC ${SRC_GEN_DIR}
DESTINATION_HDR ${INC_GEN_DIR}
OUTPUT_FILENAME "${${use_case}_LABELS_CPP_FILE}"
)
USER_OPTION(${use_case}_ACTIVATION_BUF_SZ "Activation buffer size for the chosen model"
0x00100000
STRING)
if (ETHOS_U_NPU_ENABLED)
set(DEFAULT_MODEL_PATH ${DEFAULT_MODEL_DIR}/kws_micronet_m_vela_${ETHOS_U_NPU_CONFIG_ID}.tflite)
else()
set(DEFAULT_MODEL_PATH ${DEFAULT_MODEL_DIR}/kws_micronet_m.tflite)
endif()
set(EXTRA_MODEL_CODE
"/* Model parameters for ${use_case} */"
"extern const int g_FrameLength = 640"
"extern const int g_FrameStride = 320"
"extern const float g_ScoreThreshold = ${${use_case}_MODEL_SCORE_THRESHOLD}"
)
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}
NAMESPACE "arm" "app" "kws"
)
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