MLECO-2079 Adding the C++ KWS example

Signed-off-by: Eanna O Cathain <eanna.ocathain@arm.com>
Change-Id: I81899bbfaada32f478c2e2fc6441eabb94d8d0fc

1 files changed, 32 insertions, 0 deletions

diff --git a/samples/KeywordSpotting/include/Decoder.hpp b/samples/KeywordSpotting/include/Decoder.hpp
new file mode 100644
index 0000000000..aca68312bc
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+++ b/samples/KeywordSpotting/include/Decoder.hpp
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+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+# pragma once
+
+#include <string>
+#include <map>
+#include "ArmnnNetworkExecutor.hpp"
+
+namespace kws 
+{
+
+/**
+* @brief Decodes quantised last layer of model output
+*
+*/
+class Decoder 
+{
+private:
+    int quantisationOffset;
+    float quantisationScale;
+
+public:
+
+    Decoder(int quantisationOffset, float quantisationScale) : quantisationOffset(quantisationOffset),
+                                                               quantisationScale(quantisationScale) {}
+
+    std::pair<int, float> decodeOutput(std::vector<int8_t>& modelOutput);
+
+};
+} // namespace kws
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