xref: /aosp_15_r20/external/armnn/samples/KeywordSpotting/include/Decoder.hpp (revision 89c4ff92f2867872bb9e2354d150bf0c8c502810)
1*89c4ff92SAndroid Build Coastguard Worker //
2*89c4ff92SAndroid Build Coastguard Worker // Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
3*89c4ff92SAndroid Build Coastguard Worker // SPDX-License-Identifier: MIT
4*89c4ff92SAndroid Build Coastguard Worker //
5*89c4ff92SAndroid Build Coastguard Worker # pragma once
6*89c4ff92SAndroid Build Coastguard Worker 
7*89c4ff92SAndroid Build Coastguard Worker #include <string>
8*89c4ff92SAndroid Build Coastguard Worker #include <map>
9*89c4ff92SAndroid Build Coastguard Worker #include "ArmnnNetworkExecutor.hpp"
10*89c4ff92SAndroid Build Coastguard Worker 
11*89c4ff92SAndroid Build Coastguard Worker namespace kws
12*89c4ff92SAndroid Build Coastguard Worker {
13*89c4ff92SAndroid Build Coastguard Worker 
14*89c4ff92SAndroid Build Coastguard Worker /**
15*89c4ff92SAndroid Build Coastguard Worker * @brief Decodes quantised last layer of model output
16*89c4ff92SAndroid Build Coastguard Worker *
17*89c4ff92SAndroid Build Coastguard Worker */
18*89c4ff92SAndroid Build Coastguard Worker class Decoder
19*89c4ff92SAndroid Build Coastguard Worker {
20*89c4ff92SAndroid Build Coastguard Worker private:
21*89c4ff92SAndroid Build Coastguard Worker     int quantisationOffset;
22*89c4ff92SAndroid Build Coastguard Worker     float quantisationScale;
23*89c4ff92SAndroid Build Coastguard Worker 
24*89c4ff92SAndroid Build Coastguard Worker public:
25*89c4ff92SAndroid Build Coastguard Worker 
Decoder(int quantisationOffset,float quantisationScale)26*89c4ff92SAndroid Build Coastguard Worker     Decoder(int quantisationOffset, float quantisationScale) : quantisationOffset(quantisationOffset),
27*89c4ff92SAndroid Build Coastguard Worker                                                                quantisationScale(quantisationScale) {}
28*89c4ff92SAndroid Build Coastguard Worker 
29*89c4ff92SAndroid Build Coastguard Worker     std::pair<int, float> decodeOutput(std::vector<int8_t>& modelOutput);
30*89c4ff92SAndroid Build Coastguard Worker 
31*89c4ff92SAndroid Build Coastguard Worker };
32*89c4ff92SAndroid Build Coastguard Worker } // namespace kws