SpeechSynthesizer.h

00001 /*---------------------------------------------------------------------------*
00002  *  SpeechSynthesizer.h                                                      *
00003  *                                                                           *
00004  *  Copyright 2007 Nuance Communciations, Inc.                               *
00005  *                                                                           *
00006  *  Licensed under the Apache License, Version 2.0 (the 'License');          *
00007  *  you may not use this file except in compliance with the License.         *
00008  *                                                                           *
00009  *  You may obtain a copy of the License at                                  *
00010  *      http://www.apache.org/licenses/LICENSE-2.0                           *
00011  *                                                                           *
00012  *  Unless required by applicable law or agreed to in writing, software      *
00013  *  distributed under the License is distributed on an 'AS IS' BASIS,        *
00014  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
00015  *  See the License for the specific language governing permissions and      *
00016  *  limitations under the License.                                           *
00017  *                                                                           *
00018  *---------------------------------------------------------------------------*/
00019 
00020 #ifndef __UAPI__SPEECH_SYNTHESIZER__
00021 #define __UAPI__SPEECH_SYNTHESIZER__
00022 
00023 #include "exports.h"
00024 #include "AudioSource.h"
00025 #include "types.h"
00026 #include "Codec.h"
00027 #include "SmartProxy.h"
00028 
00029 namespace android
00030 {
00031   namespace speech
00032   {
00033     namespace recognition
00034     {
00035       class AudioSourceListenerProxy;
00036       class SpeechSynthesizerProxy;
00037       class SpeechSynthesizerDataProxy;
00038     }
00039   }
00040 }
00041 
00042 
00043 namespace android
00044 {
00045   namespace speech
00046   {
00047     namespace recognition
00048     {
00053       class SpeechSynthesizer: public AudioSource
00054       {
00055         public:
00056 
00057           enum SpeechType
00058           {
00062             TEXT,
00066             URI,
00071             SSML
00072           };
00073          
00080           virtual void setListener(AudioSourceListenerProxy& listener,
00081                                    ReturnCode::Type& returnCode) = 0;
00082 
00089           virtual void setCodec(Codec::Type synthesizeCodec, ReturnCode::Type& returnCode) = 0;
00090 
00103           virtual void queue( SpeechSynthesizer::SpeechType speechType, 
00104                               const char* value, const char * language, 
00105                               ReturnCode::Type& returnCode ) = 0;
00106 
00107         protected:
00111           UAPI_EXPORT SpeechSynthesizer();
00115           UAPI_EXPORT virtual ~SpeechSynthesizer();
00116           
00117           friend class SpeechSynthesizerProxy;
00118       };
00119       
00120       /*
00121       * @see android::speech::recognition::SmartProxy
00122       */
00123       DECLARE_SMARTPROXY(UAPI_EXPORT, SpeechSynthesizerProxy, AudioSourceProxy, SpeechSynthesizer)
00124 
00125 
00126     }
00127   }
00128 }
00129 
00130 #endif

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