src/c/EspeakSpeechEngine.c

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by the Alterverse team                             *
   3     *   email: rynkruger@gmail.com                                         *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 3 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write see:                           *
  17  *               <http://www.gnu.org/licenses/>.                           *
  18  ***************************************************************************/
  19
  20 #include <jni.h>
  21 #include <string.h>
  22 #include <espeak/speak_lib.h>
  23 #include "org_alterverse_speech_EspeakSpeechEngine.h"
  24
  25 /*
  26  * Class:     org_alterverse_speech_EspeakSpeechEngine
  27  * Method:    create
  28  * Signature: ()V
  29  */
  30 JNIEXPORT jboolean JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_create
  31   (JNIEnv *env, jobject jobj) {
  32 if (espeak_Initialize(AUDIO_OUTPUT_PLAYBACK,100,NULL,1)<0)
  33 return JNI_FALSE;
  34 return JNI_TRUE;
  35 }
  36
  37 /*
  38  * Class:     org_alterverse_speech_EspeakSpeechEngine
  39  * Method:    speak
  40  * Signature: (Ljava/lang/String;)V
  41  */
  42 JNIEXPORT void JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_speak
  43   (JNIEnv *env, jobject jobj, jstring jstr) {
  44 const char * str = env->GetStringUTFChars(jstr,0);
  45 int size = env->GetStringUTFLength(jstr);
  46 espeak_Cancel();
  47 espeak_Synth(str,size,0,POS_CHARACTER,0,0,NULL,NULL);
  48 env->ReleaseStringUTFChars(jstr,str);
  49 }
  50
  51 /*
  52  * Class:     org_alterverse_speech_EspeakSpeechEngine
  53  * Method:    getRate
  54  * Signature: ()I
  55  */
  56 JNIEXPORT jint JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_getRate
  57   (JNIEnv *env, jobject jobj) {
  58 float r = (espeak_GetParameter(espeakRATE,1)-espeakRATE_MINIMUM)/(espeakRATE_MAXIMUM/100);
  59 return (jint) r;
  60 }
  61
  62 /*
  63  * Class:     org_alterverse_speech_EspeakSpeechEngine
  64  * Method:    setRate
  65  * Signature: (I)V
  66  */
  67 JNIEXPORT void JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_setRate
  68   (JNIEnv *env, jobject jobj, jint jrate) {
  69 float r = (jrate*(espeakRATE_MAXIMUM/100))+espeakRATE_MINIMUM;
  70 espeak_SetParameter(espeakRATE,(int) r,0);
  71 }
  72
  73 /*
  74  * Class:     org_alterverse_speech_EspeakSpeechEngine
  75  * Method:    getPitch
  76  * Signature: ()I
  77  */
  78 JNIEXPORT jint JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_getPitch
  79   (JNIEnv *env, jobject jobj) {
  80 return espeak_GetParameter(espeakPITCH,1);
  81 }
  82
  83 /*
  84  * Class:     org_alterverse_speech_EspeakSpeechEngine
  85  * Method:    setPitch
  86  * Signature: (I)V
  87  */
  88 JNIEXPORT void JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_setPitch
  89   (JNIEnv *env, jobject jobj, jint jpitch) {
  90 espeak_SetParameter(espeakPITCH,jpitch,0);
  91 }
  92
  93 /*
  94  * Class:     org_alterverse_speech_EspeakSpeechEngine
  95  * Method:    getVoice
  96  * Signature: ()I
  97  */
  98 JNIEXPORT jint JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_getVoice
  99   (JNIEnv *env, jobject jobj) {
 100 }
 101
 102 /*
 103  * Class:     org_alterverse_speech_EspeakSpeechEngine
 104  * Method:    setVoice
 105  * Signature: (I)V
 106  */
 107 JNIEXPORT void JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_setVoice
 108   (JNIEnv *env, jobject jobj, jint jvoice) {
 109 }
 110
 111 /*
 112  * Class:     org_alterverse_speech_EspeakSpeechEngine
 113  * Method:    getAvailableVoices
 114  * Signature: ()[Ljava/lang/String;
 115  */
 116 JNIEXPORT jobjectArray JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_getAvailableVoices
 117   (JNIEnv *env, jobject jobj) {
 118 }
 119
 120 /*
 121  * Class:     org_alterverse_speech_EspeakSpeechEngine
 122  * Method:    destroy
 123  * Signature: ()V
 124  */
 125 JNIEXPORT void JNICALL Java_org_alterverse_speech_EspeakSpeechEngine_destroy
 126   (JNIEnv *env, jobject jobj) {
 127 espeak_Terminate();
 128 }
 129