1 files changed, 52 insertions, 0 deletions
diff --git a/source/application/api/use_case/object_detection/src/DetectorPreProcessing.cc b/source/application/api/use_case/object_detection/src/DetectorPreProcessing.cc
new file mode 100644
index 0000000..7212046
--- /dev/null
+++ b/source/application/api/use_case/object_detection/src/DetectorPreProcessing.cc
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2022 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.
+ */
+#include "DetectorPreProcessing.hpp"
+#include "ImageUtils.hpp"
+#include "log_macros.h"
+
+namespace arm {
+namespace app {
+
+    DetectorPreProcess::DetectorPreProcess(TfLiteTensor* inputTensor, bool rgb2Gray, bool convertToInt8)
+    :   m_inputTensor{inputTensor},
+        m_rgb2Gray{rgb2Gray},
+        m_convertToInt8{convertToInt8}
+    {}
+
+    bool DetectorPreProcess::DoPreProcess(const void* data, size_t inputSize) {
+        if (data == nullptr) {
+            printf_err("Data pointer is null");
+        }
+
+        auto input = static_cast<const uint8_t*>(data);
+
+        if (this->m_rgb2Gray) {
+            image::RgbToGrayscale(input, this->m_inputTensor->data.uint8, this->m_inputTensor->bytes);
+        } else {
+            std::memcpy(this->m_inputTensor->data.data, input, inputSize);
+        }
+        debug("Input tensor populated \n");
+
+        if (this->m_convertToInt8) {
+            image::ConvertImgToInt8(this->m_inputTensor->data.data, this->m_inputTensor->bytes);
+        }
+
+        return true;
+    }
+
+} /* namespace app */
+} /* namespace arm */
+\ No newline at end of file