mirror of
https://github.com/rhasspy/espeak-ng.git
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Relocate the package to com.reecedunn.espeak
This commit is contained in:
Reece H. Dunn
@@ -0,0 +1,241 @@
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/*
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* Copyright (C) 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This file implements the Java API to eSpeak using the JNI bindings.
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*
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* Android Version: 4.0 (Ice Cream Sandwich)
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* API Version: 14
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*/
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package com.reecedunn.espeak;
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import android.content.Context;
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import android.speech.tts.TextToSpeech;
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import android.util.Log;
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import java.io.File;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Locale;
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public class SpeechSynthesis {
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private static final String TAG = SpeechSynthesis.class.getSimpleName();
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public static final int GENDER_MALE = 1;
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public static final int GENDER_FEMALE = 2;
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static {
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System.loadLibrary("ttsespeak");
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nativeClassInit();
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}
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private final Context mContext;
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private final SynthReadyCallback mCallback;
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private final String mDatapath;
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private boolean mInitialized = false;
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public SpeechSynthesis(Context context, SynthReadyCallback callback) {
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// First, ensure the data directory exists, otherwise init will crash.
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final File dataPath = CheckVoiceData.getDataPath(context);
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if (!dataPath.exists()) {
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Log.e(TAG, "Missing voice data");
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dataPath.mkdirs();
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}
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mContext = context;
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mCallback = callback;
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mDatapath = dataPath.getParentFile().getPath();
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attemptInit();
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}
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@Override
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protected void finalize() {
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nativeDestroy();
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}
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public int getSampleRate() {
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return nativeGetSampleRate();
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}
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public int getChannelCount() {
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return nativeGetChannelCount();
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}
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public int getAudioFormat() {
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return nativeGetAudioFormat();
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}
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public int getBufferSizeInBytes() {
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final int bufferSizeInMillis = nativeGetBufferSizeInMillis();
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final int sampleRate = nativeGetSampleRate();
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return (bufferSizeInMillis * sampleRate) / 1000;
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}
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public List<Voice> getAvailableVoices() {
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final List<Voice> voices = new LinkedList<Voice>();
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final String[] results = nativeGetAvailableVoices();
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for (int i = 0; i < results.length; i += 4) {
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final String name = results[i];
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final String identifier = results[i + 1];
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final int gender = Integer.parseInt(results[i + 2]);
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final int age = Integer.parseInt(results[i + 3]);
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final Voice voice = new Voice(name, identifier, gender, age);
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voices.add(voice);
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}
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return voices;
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}
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public void setVoiceByProperties(
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String name, String languages, int gender, int age, int variant) {
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nativeSetVoiceByProperties(name, languages, gender, age, variant);
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}
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public void setRate(int rate) {
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nativeSetRate(rate);
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}
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public void setPitch(int pitch) {
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nativeSetPitch(pitch);
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}
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public void synthesize(String text) {
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nativeSynthesize(text);
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}
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public void stop() {
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nativeStop();
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}
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private void nativeSynthCallback(byte[] audioData) {
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if (mCallback == null)
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return;
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if (audioData == null) {
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mCallback.onSynthDataComplete();
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} else {
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mCallback.onSynthDataReady(audioData);
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}
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}
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private void attemptInit() {
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if (mInitialized) {
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return;
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}
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if (!CheckVoiceData.hasBaseResources(mContext)) {
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Log.e(TAG, "Missing base resources");
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return;
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}
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if (!nativeCreate(mDatapath)) {
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Log.e(TAG, "Failed to initialize speech synthesis library");
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return;
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}
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Log.i(TAG, "Initialized synthesis library with sample rate = " + getSampleRate());
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mInitialized = true;
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}
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private int mNativeData;
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private static native final boolean nativeClassInit();
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private native final boolean nativeCreate(String path);
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private native final boolean nativeDestroy();
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private native final int nativeGetSampleRate();
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private native final int nativeGetChannelCount();
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private native final int nativeGetAudioFormat();
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private native final int nativeGetBufferSizeInMillis();
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private native final String[] nativeGetAvailableVoices();
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private native final boolean nativeSetVoiceByProperties(
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String name, String languages, int gender, int age, int variant);
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private native final boolean nativeSetRate(int rate);
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private native final boolean nativeSetPitch(int pitch);
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private native final boolean nativeSynthesize(String text);
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private native final boolean nativeStop();
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public interface SynthReadyCallback {
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void onSynthDataReady(byte[] audioData);
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void onSynthDataComplete();
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}
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public class Voice {
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public final String name;
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public final String identifier;
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public final int gender;
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public final int age;
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public final Locale locale;
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public Voice(String name, String identifier, int gender, int age) {
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this.name = name;
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this.identifier = identifier;
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this.gender = gender;
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this.age = age;
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locale = new Locale(name);
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}
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/**
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* Attempts a partial match against a query locale.
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*
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* @param query The locale to match.
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* @return A text-to-speech availability code. One of:
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* <ul>
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* <li>{@link TextToSpeech#LANG_NOT_SUPPORTED}
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* <li>{@link TextToSpeech#LANG_AVAILABLE}
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* <li>{@link TextToSpeech#LANG_COUNTRY_AVAILABLE}
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* <li>{@link TextToSpeech#LANG_COUNTRY_VAR_AVAILABLE}
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* </ul>
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*/
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public int match(Locale query) {
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if (!locale.getISO3Language().equals(query.getISO3Language())) {
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return TextToSpeech.LANG_NOT_SUPPORTED;
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} else if (!locale.getISO3Country().equals(query.getISO3Country())) {
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return TextToSpeech.LANG_AVAILABLE;
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} else if (!locale.getVariant().equals(query.getVariant())) {
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return TextToSpeech.LANG_COUNTRY_AVAILABLE;
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} else {
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return TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE;
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}
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}
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@Override
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public String toString() {
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return name;
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}
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}
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}
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