81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package android.speech.tts;
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import android.text.TextUtils;
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/**
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* Writes data about a given speech synthesis request to the event logs. The data that is logged
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* includes the calling app, length of the utterance, speech rate / pitch, the latency, and overall
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* time taken.
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*/
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class EventLogger extends AbstractEventLogger {
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private final SynthesisRequest mRequest;
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EventLogger(SynthesisRequest request, int callerUid, int callerPid, String serviceApp) {
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super(callerUid, callerPid, serviceApp);
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mRequest = request;
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}
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@Override
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protected void logFailure(int statusCode) {
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// We don't report stopped syntheses because their overall
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// total time spent will be inaccurate (will not correlate with
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// the length of the utterance).
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if (statusCode != TextToSpeech.STOPPED) {
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EventLogTags.writeTtsSpeakFailure(mServiceApp, mCallerUid, mCallerPid,
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getUtteranceLength(), getLocaleString(),
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mRequest.getSpeechRate(), mRequest.getPitch());
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}
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}
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@Override
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protected void logSuccess(long audioLatency, long engineLatency, long engineTotal) {
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EventLogTags.writeTtsSpeakSuccess(mServiceApp, mCallerUid, mCallerPid,
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getUtteranceLength(), getLocaleString(),
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mRequest.getSpeechRate(), mRequest.getPitch(),
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engineLatency, engineTotal, audioLatency);
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}
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/**
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* @return the length of the utterance for the given synthesis, 0
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* if the utterance was {@code null}.
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*/
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private int getUtteranceLength() {
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final String utterance = mRequest.getText();
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return utterance == null ? 0 : utterance.length();
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}
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/**
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* Returns a formatted locale string from the synthesis params of the
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* form lang-country-variant.
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*/
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private String getLocaleString() {
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StringBuilder sb = new StringBuilder(mRequest.getLanguage());
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if (!TextUtils.isEmpty(mRequest.getCountry())) {
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sb.append('-');
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sb.append(mRequest.getCountry());
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if (!TextUtils.isEmpty(mRequest.getVariant())) {
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sb.append('-');
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sb.append(mRequest.getVariant());
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}
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}
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return sb.toString();
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}
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}
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