android_tts_离线语音demo包文字转语音

/** * Copy Right (c)塘上科技,tangsci.cn * Project :TangsonicLite Android版 * Version :2 * Modification history :2016.1.18 * Author :BaoWei * brief 即将播放任务会打断优先级低或者相同优先级的播放任务 */ package com.tangsci.android.tts; import android.media.AudioFormat; import android.media.AudioManager; import android.media.AudioTrack; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import com.tangsci.tts.TtsEngine; /* * 注意这个文件一般不需要改动 */ public class TtsPlayer { private static final byte TTSPLAY_STATE_STOP = 0; private static final byte TTSPLAY_STATE_PLAY = 1; private static final byte TTSPLAY_STATE_PAUSE = 2; private static final byte TTSPLAY_STATE_EXIT = 3; private static final byte TTSPLAY_STATE_READY = 4; private byte[] m_playLock = new byte[0]; private byte[] m_monitorLock = new byte[0]; private byte m_state; private TtsEngine m_ttsEngine; private PlayThread m_playThread; private int m_sampleRate = 16000; private int m_sessionId = 0; private boolean m_isInit = false; private int m_currentLevel = -1; private int m_nextLevel = -1; private String m_nextPlayText = null; Handler m_msgHandler = null; public TtsPlayer() { int sampleRate = 16000; if (sampleRate > 22050) { m_sampleRate = 22050; } else if (sampleRate < 8000) { m_sampleRate = 8000; } else { m_sampleRate = sampleRate; } } public TtsPlayer(Handler msgHandler) { this(); m_msgHandler = msgHandler; } public boolean isIdle() { synchronized(m_monitorLock) { return getState() == TTSPLAY_STATE_READY; } } public void setMsgHandler(Handler msgHandler) { synchronized(m_monitorLock) { m_msgHandler = msgHandler; } } protected byte getState() { synchronized(m_monitorLock) { return m_state; } } private void setIdle() { setStateFlag(TTSPLAY_STATE_READY); } protected void setStateFlag(byte state) { m_state = state; } private void setState(byte state) { synchronized(m_monitorLock) { if (state == TTSPLAY_STATE_PAUSE && m_state != TTSPLAY_STATE_PLAY) { return; } setStateFlag(state); synchronized (m_playLock) { m_playLock.notifyAll(); } } } public boolean initEngine(byte[] ttsResource) { synchronized(m_monitorLock) { if (!m_isInit) { m_ttsEngine = new TtsEngine(); if (TtsEngine.TSERR_SUCCESS == m_ttsEngine.init(ttsResource)) { Integer intSessionId = Integer.valueOf(0); if (TtsEngine.TSERR_SUCCESS == m_ttsEngine.newSession(intSessionId)) { m_sessionId = intSessionId.intValue(); m_ttsEngine.setParam(m_sessionId, "Encoding", TtsEngine.ENCODING_UTF8); m_ttsEngine.setParam(m_sessionId, "SampleRate", Integer.valueOf(m_sampleRate).toString()); m_isInit = true; } else { m_sessionId = 0; return false; } } else { m_sessionId = 0; return false; } m_state = TTSPLAY_STATE_STOP; m_playThread = new PlayThread(); m_playThread.start(); setIdle(); } return true; } } public int uninitEngine() { synchronized(m_monitorLock) { m_state = TTSPLAY_STATE_EXIT; synchronized (m_playLock) { m_playLock.notifyAll(); } if (null != m_playThread) { try { m_playThread.join(1000); } catch (InterruptedException e) { e.printStackTrace(); } } int rt; rt = m_ttsEngine.delSession(m_sessionId); rt = m_ttsEngine.uninit(); m_ttsEngine = null; m_playThread = null; m_isInit = false; m_sessionId = 0; return rt; } } public boolean setParam(String strName, String strValue) { synchronized(m_monitorLock) { int rt; if (null == m_ttsEngine) { return false; } rt = m_ttsEngine.setParam(m_sessionId, strName, strValue); if (TtsEngine.TSERR_SUCCESS == rt) { return true; } else { return false; } } } public String getParam(String strName) { synchronized(m_monitorLock) { String rtValue; if (null == m_ttsEngine) { return ""; } rtValue = m_ttsEngine.getParam(m_sessionId, strName); return rtValue; } } public boolean setGlobalParam(String strName, String strValue) { synchronized(m_monitorLock) { int rt; int sessionId = 0; if (null == m_ttsEngine) { return false; } rt = m_ttsEngine.setParam(sessionId, strName, strValue); if (TtsEngine.TSERR_SUCCESS == rt) { return true; } else { return false; } } } public String getGlobalParam(String strName) { synchronized(m_monitorLock) { String rtValue; int sessionId = 0; if (null == m_ttsEngine) { return ""; } rtValue = m_ttsEngine.getParam(sessionId, strName); return rtValue; } } //level>=0才有效 public boolean playText(String inputText, int level) { synchronized(m_monitorLock) { return _doPlay(inputText, level); } } public boolean playText(String inputText) { return playText(inputText, 0); } private boolean _doPlay(String inputText, int levelOrFlag) { if (inputText == null && levelOrFlag == -10000)//合成线程在调用 { boolean needSendStopFinshMsg = (m_currentLevel >= 0); if (m_nextLevel >= 0 && m_nextPlayText != null) { m_currentLevel = m_nextLevel; m_nextLevel = -1; String strTemp = m_nextPlayText; m_nextPlayText = null; _playText(strTemp); } else { m_currentLevel = -1; } if (m_msgHandler != null && needSendStopFinshMsg) { Message msg = new Message(); Bundle b = new Bundle(); b.putString("play_state", "idle"); msg.setData(b); m_msgHandler.sendMessage(msg);///<告诉界面线程（主线程）播放已经结束或者已经终止完成了 } return true; } else { int level = levelOrFlag; if (-1 == m_currentLevel) { m_currentLevel = level; _playText(inputText); return true; } else if (level >= 0 && level >= m_currentLevel && level >= m_nextLevel) { m_nextLevel = level; m_nextPlayText = inputText; setState(TTSPLAY_STATE_STOP); return true; } else { return false; } } } private boolean _playText(String inputText) { int rt; if (null == m_ttsEngine || !isIdle()) { if (!isIdle()) { Log.w("TtsPlayer", "Not ready for next Play"); } return false; } rt = m_ttsEngine.inputText(m_sessionId, inputText.getBytes(), false); if (TtsEngine.TSERR_SUCCESS == rt) { setState(TTSPLAY_STATE_PLAY); return true; } else { Log.w("TtsPlayer", "Input text error"); return false; }