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mbed-os-examples
Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/androidsystemimpl/player/MediaPlayerImpl.java
- Revision:
- 49:b9eb462f36a9
- Parent:
- 48:c7ee67edcf1d
- Child:
- 50:9ecaa144d1f3
--- a/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/androidsystemimpl/player/MediaPlayerImpl.java Tue Jul 18 16:56:22 2017 +0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,527 +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.androidsystemimpl.player;
-
-import android.app.Service;
-import android.content.res.AssetFileDescriptor;
-import android.content.res.AssetManager;
-import android.media.AudioManager;
-import android.media.MediaPlayer;
-import android.telephony.PhoneStateListener;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-
-import com.baidu.duer.dcs.androidapp.DcsSampleApplication;
-import com.baidu.duer.dcs.systeminterface.IMediaPlayer;
-import com.baidu.duer.dcs.util.LogUtil;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * android MediaPlayer -android平台中实现音频的播放逻辑
- * <p>
- * Created by guxiuzhong@baidu.com on 2017/5/31.
- */
-public class MediaPlayerImpl implements IMediaPlayer {
- private static final String TAG = MediaPlayerImpl.class.getSimpleName();
- public static final String ASSERT_PREFIX = "assets://";
- private static final String KEY_SP_VOLUME = "currentVolume";
- private static final String KEY_SP_MUTE = "isMute";
- private IMediaPlayer.PlayState mCurrentState = IMediaPlayer.PlayState.IDLE;
- private MediaPlayer mMediaPlayer;
- private float currentVolume = 0.8f; // 默认音量80%
- private boolean isMute;
- private boolean isError38;
- private float currentPercent;
- private int currentSeekMilliseconds;
- private IAudioStreamStore audioStreamStore; // stream流数据保存
- private List<IMediaPlayer.IMediaPlayerListener> mediaPlayerListeners;
- private boolean isActive;
- private TelephonyManager telephonyManager;
-
- public MediaPlayerImpl() {
- mMediaPlayer = new MediaPlayer();
- // set audio stream type
- mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
- mMediaPlayer.setOnBufferingUpdateListener(bufferingUpdateListener);
- mMediaPlayer.setOnErrorListener(errorListener);
- mMediaPlayer.setOnPreparedListener(preparedListener);
- mMediaPlayer.setOnCompletionListener(completionListener);
- mMediaPlayer.setOnSeekCompleteListener(seekCompleteListener);
- // 不同的音频源，此回调有的不回调！！！
- // mMediaPlayer.setOnInfoListener(infoListener);
-
- // 读取音量和静音的数据
- currentVolume = (float) MediaPlayerPreferenceUtil.get(DcsSampleApplication.getInstance(),
- KEY_SP_VOLUME, 0.8f);
- isMute = (boolean) MediaPlayerPreferenceUtil.get(DcsSampleApplication.getInstance(),
- KEY_SP_MUTE, false);
- // LinkedList
- mediaPlayerListeners = Collections.synchronizedList(new LinkedList<IMediaPlayer.IMediaPlayerListener>());
-
- // 来电监听
- telephonyManager = (TelephonyManager)
- DcsSampleApplication.getInstance().getSystemService(Service.TELEPHONY_SERVICE);
- telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
- }
-
- private PhoneStateListener phoneStateListener = new PhoneStateListener() {
- @Override
- public void onCallStateChanged(int state, String incomingNumber) {
- super.onCallStateChanged(state, incomingNumber);
- switch (state) {
- // 电话挂断
- case TelephonyManager.CALL_STATE_IDLE:
- resume();
- break;
- // 等待接电话
- case TelephonyManager.CALL_STATE_RINGING:
- pause();
- break;
- // 通话中
- case TelephonyManager.CALL_STATE_OFFHOOK:
- break;
- default:
- break;
- }
- }
- };
-
- private IAudioStreamStore.OnStoreListener onStoreListener = new IAudioStreamStore.SimpleOnStoreListener() {
- @Override
- public void onComplete(String path) {
- LogUtil.e(TAG, "onStoreListener,path:" + path);
- // after down star play
- File file = new File(path);
- if (file.exists() && file.length() > 0) {
- play(path);
- } else {
- mCurrentState = IMediaPlayer.PlayState.ERROR;
- fireOnError("play path not exists or length<0 ",
- IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_DEVICE_ERROR);
- }
- }
- };
-
- @Override
- public void play(MediaResource mediaResource) {
- if (mediaResource.isStream) {
- play(mediaResource.stream);
- } else {
- play(mediaResource.url);
- }
- }
-
- private void play(InputStream stream) {
- LogUtil.e(TAG, "play stream");
- if (audioStreamStore == null) {
- audioStreamStore = new AudioStreamStoreImpl();
- }
- audioStreamStore.setOnStoreListener(onStoreListener);
- audioStreamStore.save(stream);
- }
-
- private void play(String url) {
- if (TextUtils.isEmpty(url)) {
- LogUtil.d(TAG, "play-url is empty");
- fireOnError("play-url is empty.",
- IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_DEVICE_ERROR);
- mCurrentState = IMediaPlayer.PlayState.ERROR;
- return;
- }
- fireOnInit();
- LogUtil.d(TAG, "play-url:" + url);
- if (url.startsWith(ASSERT_PREFIX) && url.length() > ASSERT_PREFIX.length()) {
- playAsset(url.substring(ASSERT_PREFIX.length()));
- } else {
- try {
- mMediaPlayer.reset();
- mMediaPlayer.setDataSource(url);
- // Async
- mMediaPlayer.prepareAsync();
- mCurrentState = IMediaPlayer.PlayState.PREPARING;
- } catch (IOException e) {
- e.printStackTrace();
- LogUtil.d(TAG, "playPath", e);
- mCurrentState = IMediaPlayer.PlayState.ERROR;
- fireOnError("IOException play url :"
- + url, IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_DEVICE_ERROR);
- }
- }
- }
-
- private void playAsset(String resName) {
- LogUtil.d(TAG, "playAsset:" + resName);
- try {
- AssetManager am = DcsSampleApplication.getInstance().getAssets();
- AssetFileDescriptor afd = am.openFd(resName);
- mMediaPlayer.reset();
- mMediaPlayer.setDataSource(afd.getFileDescriptor(),
- afd.getStartOffset(), afd.getLength());
- mMediaPlayer.prepareAsync();
- mCurrentState = IMediaPlayer.PlayState.PREPARING;
- } catch (IOException e) {
- e.printStackTrace();
- LogUtil.d(TAG, "playAsset", e);
- mCurrentState = IMediaPlayer.PlayState.ERROR;
- fireOnError("IOException play playAsset",
- IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_DEVICE_ERROR);
- }
- }
-
- @Override
- public void pause() {
- if (mCurrentState == IMediaPlayer.PlayState.PLAYING
- || mCurrentState == IMediaPlayer.PlayState.PREPARED
- || mCurrentState == IMediaPlayer.PlayState.PREPARING) {
- mMediaPlayer.pause();
- mCurrentState = IMediaPlayer.PlayState.PAUSED;
- fireOnPaused();
- }
- }
-
- @Override
- public void stop() {
- if (mMediaPlayer != null) {
- mMediaPlayer.stop();
- mCurrentState = IMediaPlayer.PlayState.STOPPED;
- // delete audio file
- if (audioStreamStore != null) {
- audioStreamStore.cancel();
- audioStreamStore.speakAfter();
- }
- fireStopped();
- }
- }
-
-
- @Override
- public void resume() {
- if (mCurrentState == IMediaPlayer.PlayState.PAUSED) {
- mMediaPlayer.start();
- mCurrentState = IMediaPlayer.PlayState.PLAYING;
- firePlaying();
- }
- }
-
- @Override
- public void release() {
- if (mMediaPlayer != null) {
- mMediaPlayer.stop();
- mMediaPlayer.release();
- mMediaPlayer = null;
- mCurrentState = IMediaPlayer.PlayState.IDLE;
- fireOnRelease();
- }
- if (audioStreamStore != null) {
- audioStreamStore.cancel();
- audioStreamStore.speakAfter();
- }
- mediaPlayerListeners.clear();
- }
-
- @Override
- public PlayState getPlayState() {
- return mCurrentState;
- }
-
- @Override
- public void seekTo(int pos) {
- currentSeekMilliseconds = pos;
- LogUtil.d(TAG, "seekTo,currentSeekMilliseconds:" + currentSeekMilliseconds);
- if (mMediaPlayer != null && mCurrentState == IMediaPlayer.PlayState.PREPARED) {
- mMediaPlayer.seekTo(pos);
- }
- }
-
- /**
- * 设置音量
- *
- * @param volume 0.0 -1.0
- */
- @Override
- public void setVolume(float volume) {
- // 设置音量就不再静音了，比如：说了调衡音量等操作
- isMute = false;
- currentVolume = volume;
- if (mMediaPlayer != null) {
- mMediaPlayer.setVolume(volume, volume);
- }
- // 保存数据
- MediaPlayerPreferenceUtil.put(DcsSampleApplication.getInstance(),
- KEY_SP_VOLUME, currentVolume);
- MediaPlayerPreferenceUtil.put(DcsSampleApplication.getInstance(),
- KEY_SP_MUTE, isMute);
- }
-
- @Override
- public float getVolume() {
- return currentVolume;
- }
-
- @Override
- public void setMute(boolean mute) {
- isMute = mute;
- if (mMediaPlayer != null) {
- if (mute) {
- mMediaPlayer.setVolume(0, 0);
- } else {
- mMediaPlayer.setVolume(currentVolume, currentVolume);
- }
- }
- // 保存数据
- MediaPlayerPreferenceUtil.put(DcsSampleApplication.getInstance(),
- KEY_SP_MUTE, isMute);
- }
-
- @Override
- public boolean getMute() {
- return isMute;
- }
-
- @Override
- public long getCurrentPosition() {
- if (mMediaPlayer == null) {
- return 0;
- }
- if (mCurrentState == IMediaPlayer.PlayState.IDLE || mCurrentState == IMediaPlayer.PlayState.ERROR) {
- return 0;
- }
- return mMediaPlayer.getCurrentPosition();
- }
-
- @Override
- public long getDuration() {
- if (mMediaPlayer == null) {
- return 0;
- }
- if (mCurrentState == IMediaPlayer.PlayState.IDLE || mCurrentState == IMediaPlayer.PlayState.ERROR) {
- return 0;
- }
- return mMediaPlayer.getDuration();
- }
-
- @Override
- public float getBufferPercentage() {
- return currentPercent;
- }
-
-
- @Override
- public void addMediaPlayerListener(IMediaPlayerListener listener) {
- if (!mediaPlayerListeners.contains(listener)) {
- mediaPlayerListeners.add(listener);
- }
- }
-
- @Override
- public void removeMediaPlayerListener(IMediaPlayerListener listener) {
- if (mediaPlayerListeners.contains(listener)) {
- mediaPlayerListeners.remove(listener);
- }
- }
-
- @Override
- public void setActive(boolean isActive) {
- this.isActive = isActive;
- }
-
- @Override
- public boolean isActive() {
- return isActive;
- }
-
- private void fireOnError(String error, ErrorType errorType) {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onError(error, errorType);
- }
- }
- }
-
- private void fireOnInit() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onInit();
- }
- }
- }
-
- private void fireOnPaused() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onPaused();
- }
- }
- }
-
- private void fireStopped() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onStopped();
- }
- }
- }
-
- private void firePlaying() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onPlaying();
- }
- }
- }
-
- private void fireOnRelease() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onRelease();
- }
- }
- }
-
- private void fireOnPrepared() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onPrepared();
- }
- }
- }
-
- private void fireOonBufferingUpdate(int percent) {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onBufferingUpdate(percent);
- }
- }
- }
-
- private void fireOnCompletion() {
- for (IMediaPlayer.IMediaPlayerListener listener : mediaPlayerListeners) {
- if (listener != null) {
- listener.onCompletion();
- }
- }
- }
-
- private MediaPlayer.OnPreparedListener preparedListener = new MediaPlayer.OnPreparedListener() {
- @Override
- public void onPrepared(MediaPlayer mp) {
- LogUtil.d(TAG, "onPrepared");
- mCurrentState = IMediaPlayer.PlayState.PREPARED;
- isError38 = false;
- fireOnPrepared();
- // must be called after prepareAsync or prepare
- LogUtil.d(TAG, "currentVolume:" + currentVolume);
- LogUtil.d(TAG, "currentSeekMilliseconds:" + currentSeekMilliseconds);
- // 一开始就说话让它静音了
- if (isMute) {
- mMediaPlayer.setVolume(0, 0);
- } else {
- setVolume(currentVolume);
- }
- seekTo(currentSeekMilliseconds);
- }
- };
-
- private MediaPlayer.OnBufferingUpdateListener bufferingUpdateListener =
- new MediaPlayer.OnBufferingUpdateListener() {
- @Override
- public void onBufferingUpdate(MediaPlayer mp, int percent) {
- currentPercent = percent * 1.0f;
- fireOonBufferingUpdate(percent);
- }
- };
- private MediaPlayer.OnErrorListener errorListener = new MediaPlayer.OnErrorListener() {
- @Override
- public boolean onError(MediaPlayer mp, int what, int extra) {
- LogUtil.d(TAG, "onError:" + what + ", extra:" + extra);
- if (what == -38) {
- isError38 = true;
- return false;
- }
- isError38 = false;
- mCurrentState = IMediaPlayer.PlayState.ERROR;
- JSONObject jsonObject = new JSONObject();
- try {
- jsonObject.put("msg", "what: " + what + "; extra:" + extra);
- } catch (JSONException e) {
- e.printStackTrace();
- }
- IMediaPlayer.ErrorType errorType;
- switch (what) {
- case MediaPlayer.MEDIA_ERROR_IO:
- // Stream服务端返回错误 (bad request, unauthorized, forbidden, not found etc)
- errorType = IMediaPlayer.ErrorType.MEDIA_ERROR_INVALID_REQUEST;
- break;
- case MediaPlayer.MEDIA_ERROR_TIMED_OUT:
- // 端无法连接stream服务端
- errorType = IMediaPlayer.ErrorType.MEDIA_ERROR_SERVICE_UNAVAILABLE;
- break;
- case MediaPlayer.MEDIA_ERROR_UNSUPPORTED:
- // 端内部错误
- errorType = IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_DEVICE_ERROR;
- break;
- case MediaPlayer.MEDIA_ERROR_MALFORMED:
- // stream服务端接受请求，但未能正确处理 ?????
- errorType = IMediaPlayer.ErrorType.MEDIA_ERROR_INTERNAL_SERVER_ERROR;
- break;
- default:
- // 未知错误
- errorType = IMediaPlayer.ErrorType.MEDIA_ERROR_UNKNOWN;
- break;
- }
- fireOnError(jsonObject.toString(), errorType);
- return false;
- }
- };
-
- private MediaPlayer.OnSeekCompleteListener seekCompleteListener = new MediaPlayer.OnSeekCompleteListener() {
- @Override
- public void onSeekComplete(MediaPlayer mp) {
- LogUtil.d(TAG, "onSeekComplete");
- if (mCurrentState == IMediaPlayer.PlayState.PREPARED) {
- mp.start();
- mCurrentState = IMediaPlayer.PlayState.PLAYING;
- firePlaying();
- }
- }
- };
-
- private MediaPlayer.OnCompletionListener completionListener = new MediaPlayer.OnCompletionListener() {
- @Override
- public void onCompletion(MediaPlayer mp) {
- if (isError38) {
- return;
- }
- LogUtil.d(TAG, "onCompletion");
- // delete audio file
- if (audioStreamStore != null) {
- audioStreamStore.cancel();
- audioStreamStore.speakAfter();
- }
- mCurrentState = IMediaPlayer.PlayState.COMPLETED;
- fireOnCompletion();
- }
- };
-}
\ No newline at end of file