Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/androidsystemimpl/wakeup/WakeUpImpl.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/androidsystemimpl/wakeup/WakeUpImpl.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,132 @@
+/*
+ * *
+ * 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.androidsystemimpl.wakeup;
+
+import android.content.Context;
+import android.os.Handler;
+
+import com.baidu.duer.dcs.systeminterface.IWakeUp;
+import com.baidu.duer.dcs.util.LogUtil;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.LinkedBlockingDeque;
+
+/**
+ * 唤醒模块-android中实现
+ * <p>
+ * Created by guxiuzhong@baidu.com on 2017/6/25.
+ */
+public class WakeUpImpl implements IWakeUp {
+    private static final String TAG = WakeUpImpl.class.getSimpleName();
+    // 初始化唤醒词成功
+    private static final int WAKEUP_INIT_SUCCEED = 0;
+    // 唤醒词
+    private static final String WAKEUP_WORD = "小度小度";
+    // 唤醒词声学模型模型文件
+    private static final String WAKEUP_FILENAME = "libbdEasrS1MergeNormal.so";
+    // jni
+    private WakeUpNative wakeUpNative;
+    // Decode消费线程
+    private WakeUpDecodeThread wakeUpDecodeThread;
+    // callback
+    private List<IWakeUpListener> wakeUpListeners;
+    private Handler handler = new Handler();
+    // 音频数据
+    private LinkedBlockingDeque<byte[]> linkedBlockingDeque;
+    // 初始化唤醒词的返回值
+    private int wakeUpInitialRet;
+    private Context context;
+
+    public WakeUpImpl(Context context, LinkedBlockingDeque<byte[]> linkedBlockingDeque) {
+        this.linkedBlockingDeque = linkedBlockingDeque;
+        this.context = context.getApplicationContext();
+        this.wakeUpNative = new WakeUpNative();
+        this.wakeUpListeners = Collections.synchronizedList(new LinkedList<IWakeUpListener>());
+        this.initWakeUp();
+    }
+
+    private void initWakeUp() {
+        // 方法1：加载声学模型文件,当作so库进行加载到nativeLibraryDir目录中
+        // 方法2：当然你也可以放到assets目录或者raw下，然后进行拷贝到应用的私有目录或者sd卡
+        // 方法2需要处理声学模型文件覆盖安装问题，以及不可预料的拷贝失败问题！
+        String path = this.context.getApplicationInfo().nativeLibraryDir
+                + File.separatorChar + WAKEUP_FILENAME;
+        LogUtil.d(TAG, "wakeup path:" + path);
+        LogUtil.d(TAG, "wakeup exists:" + new File(path).exists());
+        // 1.初始化唤醒词，0 是初始化成功
+        wakeUpInitialRet = wakeUpNative.wakeUpInitial(WAKEUP_WORD, path, 0);
+        LogUtil.d(TAG, "wakeUpInitialRet:" + wakeUpInitialRet);
+    }
+
+    @Override
+    public void startWakeUp() {
+        if (wakeUpDecodeThread != null && wakeUpDecodeThread.isStart()) {
+            LogUtil.d(TAG, "wakeup wakeUpDecodeThread  is Started !");
+            return;
+        }
+        // 2.开始唤醒
+        if (wakeUpInitialRet == WAKEUP_INIT_SUCCEED) {
+            wakeUp();
+        } else {
+            LogUtil.d(TAG, "wakeup wakeUpInitialRet failed, not startWakeUp ");
+        }
+    }
+
+    @Override
+    public void stopWakeUp() {
+        if (wakeUpDecodeThread != null) {
+            wakeUpDecodeThread.stopWakeUp();
+        }
+        handler.removeCallbacksAndMessages(null);
+    }
+
+    @Override
+    public void releaseWakeUp() {
+        // 3.释放资源
+        int ret = wakeUpNative.wakeUpFree();
+        LogUtil.d(TAG, "wakeUpFree-ret:" + ret);
+    }
+
+    @Override
+    public void addWakeUpListener(IWakeUpListener listener) {
+        wakeUpListeners.add(listener);
+    }
+
+    /**
+     * 开始音频解码进行唤醒操作
+     */
+    private void wakeUp() {
+        wakeUpDecodeThread = new WakeUpDecodeThread(linkedBlockingDeque, wakeUpNative, handler);
+        wakeUpDecodeThread.setWakeUpListener(new WakeUpDecodeThread.IWakeUpListener() {
+            @Override
+            public void onWakeUpSucceed() {
+                // 唤醒成功
+                fireOnWakeUpSucceed();
+            }
+        });
+        wakeUpDecodeThread.startWakeUp();
+    }
+
+    private void fireOnWakeUpSucceed() {
+        for (IWakeUpListener listener : wakeUpListeners) {
+            listener.onWakeUpSucceed();
+        }
+    }
+}
\ No newline at end of file