Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/devicemodule/voiceoutput/VoiceOutputDeviceModule.java

Revision:

49:b9eb462f36a9

Parent:

48:c7ee67edcf1d

Child:

50:9ecaa144d1f3

--- a/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/devicemodule/voiceoutput/VoiceOutputDeviceModule.java	Tue Jul 18 16:56:22 2017 +0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,251 +0,0 @@
-/*
- * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
- * 
- * 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.
- */
-package com.baidu.duer.dcs.devicemodule.voiceoutput;
-
-import com.baidu.duer.dcs.devicemodule.system.HandleDirectiveException;
-import com.baidu.duer.dcs.devicemodule.voiceoutput.message.SpeakPayload;
-import com.baidu.duer.dcs.devicemodule.voiceoutput.message.SpeechLifecyclePayload;
-import com.baidu.duer.dcs.devicemodule.voiceoutput.message.VoiceOutputStatePayload;
-import com.baidu.duer.dcs.framework.BaseDeviceModule;
-import com.baidu.duer.dcs.framework.IMessageSender;
-import com.baidu.duer.dcs.framework.IResponseListener;
-import com.baidu.duer.dcs.framework.message.ClientContext;
-import com.baidu.duer.dcs.framework.message.Directive;
-import com.baidu.duer.dcs.framework.message.Event;
-import com.baidu.duer.dcs.framework.message.Header;
-import com.baidu.duer.dcs.framework.message.MessageIdHeader;
-import com.baidu.duer.dcs.systeminterface.IMediaPlayer;
-import com.baidu.duer.dcs.util.LogUtil;
-
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * Voice Output模块处理并执行服务下发的Speak指令，上报SpeechStarted、SpeechFinished事件，以及维护自身的端状态
- * <p>
- * Created by guxiuzhong@baidu.com on 2017/5/31.
- */
-public class VoiceOutputDeviceModule extends BaseDeviceModule {
-    private static final String TAG = VoiceOutputDeviceModule.class.getSimpleName();
-    // 播放回调
-    private final List<IVoiceOutputListener> voiceOutputListeners;
-    // 播放队列
-    private final LinkedList<SpeakPayload> speakQueue = new LinkedList<>();
-    // 语音播放的播放器
-    private final IMediaPlayer mediaPlayer;
-    private SpeechState speechState = SpeechState.FINISHED;
-
-    // 上一次的token
-    private String lastSpeakToken = "";
-
-    // 当前播放状态
-    private enum SpeechState {
-        PLAYING,
-        FINISHED
-    }
-
-    public VoiceOutputDeviceModule(IMediaPlayer mediaPlayer,
-                                   IMessageSender messageSender) {
-        super(ApiConstants.NAMESPACE, messageSender);
-        this.mediaPlayer = mediaPlayer;
-        this.mediaPlayer.addMediaPlayerListener(mediaPlayerListener);
-        this.voiceOutputListeners = Collections.synchronizedList(new ArrayList<IVoiceOutputListener>());
-    }
-
-    @Override
-    public ClientContext clientContext() {
-        String namespace = ApiConstants.NAMESPACE;
-        String name = ApiConstants.Events.SpeechState.NAME;
-        Header header = new Header(namespace, name);
-        VoiceOutputStatePayload payload = new VoiceOutputStatePayload(lastSpeakToken,
-                mediaPlayer.getCurrentPosition(),
-                speechState.name());
-        return new ClientContext(header, payload);
-    }
-
-    @Override
-    public void handleDirective(Directive directive) throws HandleDirectiveException {
-        String directiveName = directive.getName();
-        LogUtil.d(TAG, "rawMessage:" + directive.rawMessage);
-        LogUtil.d(TAG, "directiveName:" + directiveName);
-        if (directiveName.equals(ApiConstants.Directives.Speak.NAME)) {
-            SpeakPayload speak = (SpeakPayload) directive.payload;
-            handleSpeak(speak);
-        } else {
-            String message = "VoiceOutput cannot handle the directive";
-            throw (new HandleDirectiveException(
-                    HandleDirectiveException.ExceptionType.UNSUPPORTED_OPERATION, message));
-        }
-    }
-
-    private void handleSpeak(SpeakPayload speak) {
-        speakQueue.add(speak);
-        // 如果已经有了，就只入队列，等待下一次的调度
-        if (speakQueue.size() == 1) {
-            startSpeech();
-        }
-    }
-
-    private void startSpeech() {
-        final SpeakPayload speak = speakQueue.getFirst();
-        if (null != speak) {
-            lastSpeakToken = speak.token;
-            InputStream inputStream = new ByteArrayInputStream(speak.attachedContent);
-            mediaPlayer.play(new IMediaPlayer.MediaResource(inputStream));
-        }
-    }
-
-    private IMediaPlayer.IMediaPlayerListener mediaPlayerListener = new IMediaPlayer.SimpleMediaPlayerListener() {
-        @Override
-        public void onPrepared() {
-            super.onPrepared();
-            speechState = SpeechState.PLAYING;
-            sendStartedEvent(lastSpeakToken);
-            fireOnVoiceOutputStarted();
-        }
-
-        @Override
-        public void onStopped() {
-            super.onStopped();
-            speakQueue.clear();
-        }
-
-        @Override
-        public void onError(String error, IMediaPlayer.ErrorType errorType) {
-            super.onError(error, errorType);
-            finishedSpeechItem();
-        }
-
-        @Override
-        public void onCompletion() {
-            LogUtil.d(TAG, " IMediaPlayer onCompletion");
-            finishedSpeechItem();
-        }
-    };
-
-    /**
-     * 播放完一条后开始下一条的处理
-     */
-    private void finishedSpeechItem() {
-        speakQueue.poll();
-        LogUtil.d(TAG, "finishedSpeechItem speakQueue size :" + speakQueue.size());
-        if (speakQueue.isEmpty()) {
-            speechState = SpeechState.FINISHED;
-            sendFinishedEvent(lastSpeakToken);
-            fireOnVoiceOutputFinished();
-        } else {
-            startSpeech();
-        }
-    }
-
-    @Override
-    public void release() {
-        if (mediaPlayer != null) {
-            mediaPlayer.release();
-            mediaPlayer.removeMediaPlayerListener(mediaPlayerListener);
-        }
-        if (isSpeaking()) {
-            speechState = SpeechState.FINISHED;
-        }
-        speakQueue.clear();
-        voiceOutputListeners.clear();
-    }
-
-    public boolean isSpeaking() {
-        return speechState == SpeechState.PLAYING;
-    }
-
-    /**
-     * 播放开始时上报的事件
-     *
-     * @param token token  一条speak的唯一标识
-     */
-    private void sendStartedEvent(String token) {
-        String namespace = ApiConstants.NAMESPACE;
-        String name = ApiConstants.Events.SpeechStarted.NAME;
-        MessageIdHeader header = new MessageIdHeader(namespace, name);
-        Event event = new Event(header, new SpeechLifecyclePayload(token));
-        messageSender.sendEvent(event);
-    }
-
-    /**
-     * 播放结束时上报的事件
-     *
-     * @param token token  一条speak的唯一标识
-     */
-    private void sendFinishedEvent(String token) {
-        String namespace = ApiConstants.NAMESPACE;
-        String name = ApiConstants.Events.SpeechFinished.NAME;
-        MessageIdHeader header = new MessageIdHeader(namespace, name);
-        Event event = new Event(header, new SpeechLifecyclePayload(token));
-        messageSender.sendEvent(event, new IResponseListener() {
-            @Override
-            public void onSucceed(int statusCode) {
-                // 没有新的语音speak-stream
-                if (statusCode == 204) {
-                    mediaPlayer.setActive(false);
-                } else {
-                    mediaPlayer.setActive(true);
-                }
-            }
-
-            @Override
-            public void onFailed(String errorMessage) {
-                mediaPlayer.setActive(false);
-            }
-        });
-    }
-
-    private void fireOnVoiceOutputStarted() {
-        for (IVoiceOutputListener listener : voiceOutputListeners) {
-            listener.onVoiceOutputStarted();
-        }
-    }
-
-    private void fireOnVoiceOutputFinished() {
-        for (IVoiceOutputListener listener : voiceOutputListeners) {
-            listener.onVoiceOutputFinished();
-        }
-    }
-
-    /**
-     * 添加播放监听
-     *
-     * @param listener listener
-     */
-    public void addVoiceOutputListener(IVoiceOutputListener listener) {
-        this.voiceOutputListeners.add(listener);
-    }
-
-    /**
-     * 播报监听器接口
-     */
-    public interface IVoiceOutputListener {
-        /**
-         * 开始播放时回调
-         */
-        void onVoiceOutputStarted();
-
-        /**
-         * 播放完成时回调
-         */
-        void onVoiceOutputFinished();
-    }
-}
\ No newline at end of file