diff options
Diffstat (limited to 'source/use_case/kws_asr/src/OutputDecode.cc')
-rw-r--r-- | source/use_case/kws_asr/src/OutputDecode.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/source/use_case/kws_asr/src/OutputDecode.cc b/source/use_case/kws_asr/src/OutputDecode.cc new file mode 100644 index 0000000..41fbe07 --- /dev/null +++ b/source/use_case/kws_asr/src/OutputDecode.cc @@ -0,0 +1,47 @@ +/* + * 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. + */ +#include "OutputDecode.hpp" + +namespace arm { +namespace app { +namespace audio { +namespace asr { + + std::string DecodeOutput(const std::vector<ClassificationResult>& vecResults) + { + std::string CleanOutputBuffer; + + for (size_t i = 0; i < vecResults.size(); ++i) /* For all elements in vector. */ + { + while (i+1 < vecResults.size() && + vecResults[i].m_label == vecResults[i+1].m_label) /* While the current element is equal to the next, ignore it and move on. */ + { + ++i; + } + if (vecResults[i].m_label != "$") /* $ is a character used to represent unknown and double characters so should not be in output. */ + { + CleanOutputBuffer += vecResults[i].m_label; /* If the element is different to the next, it will be appended to CleanOutputBuffer. */ + } + } + + return CleanOutputBuffer; /* Return string type containing clean output. */ + } + +} /* namespace asr */ +} /* namespace audio */ +} /* namespace app */ +} /* namespace arm */ |