60 lines
1.5 KiB
Java
60 lines
1.5 KiB
Java
// Copyright 2024 Xiaomi Corporation
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package com.k2fsa.sherpa.onnx;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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public class SpokenLanguageIdentification {
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static {
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System.loadLibrary("sherpa-onnx-jni");
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}
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private final Map<String, String> localeMap;
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private long ptr = 0;
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public SpokenLanguageIdentification(SpokenLanguageIdentificationConfig config) {
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ptr = newFromFile(config);
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String[] languages = Locale.getISOLanguages();
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localeMap = new HashMap<String, String>(languages.length);
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for (String language : languages) {
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Locale locale = new Locale(language);
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localeMap.put(language, locale.getDisplayName());
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}
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}
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public String compute(OfflineStream stream) {
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String lang = compute(ptr, stream.getPtr());
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return localeMap.getOrDefault(lang, lang);
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}
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public OfflineStream createStream() {
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long p = createStream(ptr);
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return new OfflineStream(p);
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}
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@Override
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protected void finalize() throws Throwable {
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release();
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}
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// You'd better call it manually if it is not used anymore
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public void release() {
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if (this.ptr == 0) {
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return;
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}
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delete(this.ptr);
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this.ptr = 0;
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}
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private native void delete(long ptr);
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private native long newFromFile(SpokenLanguageIdentificationConfig config);
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private native long createStream(long ptr);
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private native String compute(long ptr, long streamPtr);
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}
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