| /*---------------------------------------------------------------------------* |
| * android_speech_srec_Recognizer.cpp * |
| * * |
| * Copyright 2007 Nuance Communciations, Inc. * |
| * * |
| * 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. * |
| * * |
| *---------------------------------------------------------------------------*/ |
| |
| |
| #include <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <jni.h> |
| |
| #define LOG_TAG "srec_jni" |
| #include "utils/Log.h" |
| |
| #include "passert.h" |
| #include "ESR_CommandLine.h" |
| #include "ESR_Session.h" |
| #include "LCHAR.h" |
| #include "PFile.h" |
| #include "PFileSystem.h" |
| #include "PANSIFileSystem.h" |
| //#include "PMemoryFileSystem.h" |
| #include "plog.h" |
| #include "pmemory.h" |
| #include "ptypes.h" |
| #include "SR_Grammar.h" |
| #include "SR_Recognizer.h" |
| #include "SR_RecognizerImpl.h" |
| #include "SR_RecognizerResult.h" |
| #include "SR_Session.h" |
| #include "SR_Vocabulary.h" |
| #include "SR_AcousticState.h" |
| #include "SR_Nametag.h" |
| #include "PStackSize.h" |
| |
| |
| |
| // |
| // helper function to throw an exception |
| // |
| static void JNU_ThrowByName(JNIEnv *env, const char* name, const char* msg) { |
| jclass cls = env->FindClass(name); |
| if (cls != NULL) { |
| env->ThrowNew(cls, msg); |
| } |
| env->DeleteLocalRef(cls); |
| } |
| |
| static void unimplemented(JNIEnv* env) { |
| JNU_ThrowByName(env, "java/lang/IllegalStateException", "unimplemented!!!"); |
| } |
| |
| static void checkEsrError(JNIEnv* env, ESR_ReturnCode esr_status) { |
| if (esr_status != ESR_SUCCESS) { |
| JNU_ThrowByName(env, "java/lang/IllegalStateException", ESR_rc2str(esr_status)); |
| } |
| } |
| |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // PMem JNI implementations |
| /////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_PMemInit |
| (JNIEnv *env, jclass clazz) { |
| checkEsrError(env, PMemInit()); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_PMemShutdown |
| (JNIEnv *env, jclass clazz) { |
| checkEsrError(env, PMemShutdown()); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_Session JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1SessionCreate |
| (JNIEnv *env, jclass clazz, jstring fileName) { |
| // TODO: check for fileName NPE |
| const char* fn = env->GetStringUTFChars(fileName, 0); |
| checkEsrError(env, SR_SessionCreate(fn)); // TODO: can I post this before freeing the string? |
| env->ReleaseStringUTFChars(fileName, fn); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1SessionDestroy |
| (JNIEnv *env, jclass clazz) { |
| checkEsrError(env, SR_SessionDestroy()); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_Recognizer JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerStart |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerStart((SR_Recognizer*)recognizer)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerStop |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerStop((SR_Recognizer*)recognizer)); |
| } |
| |
| static JNIEXPORT jlong JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerCreate |
| (JNIEnv *env, jclass clazz) { |
| SR_Recognizer* recognizer = NULL; |
| // TODO: do we need to clean up the recognizer if this fails? |
| checkEsrError(env, SR_RecognizerCreate(&recognizer)); |
| return (jlong)recognizer; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerDestroy |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerDestroy((SR_Recognizer*)recognizer)); |
| return; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerSetup |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerSetup((SR_Recognizer*)recognizer)); |
| return; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerUnsetup |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerUnsetup((SR_Recognizer*)recognizer)); |
| return; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSetup |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSetup((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jstring JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerGetParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key) { |
| unimplemented(env); |
| return 0; |
| } |
| |
| static JNIEXPORT jint JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerGetSize_1tParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key) { |
| unimplemented(env); |
| return 0; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerGetBoolParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key) { |
| unimplemented(env); |
| return JNI_FALSE; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerSetParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key, jstring value) { |
| unimplemented(env); |
| return; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerSetSize_1tParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key, jint value) { |
| unimplemented(env); |
| return; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerSetBoolParameter |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring key , jboolean value) { |
| unimplemented(env); |
| return; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerSetupRule |
| (JNIEnv *env, jclass clazz, jlong recognizer, jlong grammar, jstring ruleName) { |
| const char* rn = env->GetStringUTFChars(ruleName, 0); |
| checkEsrError(env, SR_RecognizerSetupRule((SR_Recognizer*)recognizer, (SR_Grammar*)grammar, rn)); |
| env->ReleaseStringUTFChars(ruleName, rn); |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerHasSetupRules |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerHasSetupRules((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerActivateRule |
| (JNIEnv *env, jclass clazz, jlong recognizer, jlong grammar, jstring ruleName, jint weight) { |
| const char* rn = env->GetStringUTFChars(ruleName, 0); |
| checkEsrError(env, SR_RecognizerActivateRule((SR_Recognizer*)recognizer, (SR_Grammar*)grammar, rn, weight)); |
| env->ReleaseStringUTFChars(ruleName, rn); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerDeactivateRule |
| (JNIEnv *env, jclass clazz, jlong recognizer, jlong grammar, jstring ruleName) { |
| const char* rn = env->GetStringUTFChars(ruleName, 0); |
| checkEsrError(env, SR_RecognizerDeactivateRule((SR_Recognizer*)recognizer, (SR_Grammar*)grammar, rn)); |
| env->ReleaseStringUTFChars(ruleName, rn); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerDeactivateAllRules |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_RecognizerDeactivateAllRules((SR_Recognizer*)recognizer)); |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsActiveRule |
| (JNIEnv *env, jclass clazz, jlong recognizer, jlong grammar, jstring ruleName) { |
| ESR_BOOL rtn = ESR_FALSE; |
| const char* rn = env->GetStringUTFChars(ruleName, 0); |
| checkEsrError(env, SR_RecognizerIsActiveRule((SR_Recognizer*)recognizer, (SR_Grammar*)grammar, rn, &rtn)); |
| env->ReleaseStringUTFChars(ruleName, rn); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerCheckGrammarConsistency |
| (JNIEnv *env, jclass clazz, jlong recognizer, jlong grammar) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerCheckGrammarConsistency((SR_Recognizer*)recognizer, (SR_Grammar*)grammar, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jint JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerPutAudio |
| (JNIEnv *env, jclass clazz, jlong recognizer, jbyteArray audio, jint offset, jint length, jboolean isLast) { |
| // set the length |
| jbyte buffer[1024]; |
| if (length > (int)sizeof(buffer)) length = sizeof(buffer); |
| size_t samples = length / sizeof(asr_int16_t); |
| length = samples * sizeof(asr_int16_t); |
| |
| // fetch data from java |
| env->GetByteArrayRegion(audio, offset, length, buffer); |
| |
| // put the samples into the recognizer |
| checkEsrError(env, SR_RecognizerPutAudio((SR_Recognizer*)recognizer, |
| (asr_int16_t*)buffer, &samples, isLast ? ESR_TRUE : ESR_FALSE)); |
| if (samples != length / sizeof(asr_int16_t)) { |
| checkEsrError(env, ESR_READ_ERROR); |
| return 0; |
| } |
| |
| return samples * sizeof(asr_int16_t); |
| } |
| |
| static JNIEXPORT jint JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerAdvance |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| SR_RecognizerStatus status = SR_RECOGNIZER_EVENT_INVALID; |
| SR_RecognizerResultType type = SR_RECOGNIZER_RESULT_TYPE_INVALID; |
| SR_RecognizerResult* recognizerResult = NULL; |
| checkEsrError(env, SR_RecognizerAdvance((SR_Recognizer*)recognizer, &status, &type, &recognizerResult)); |
| return status; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalClipping |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalClipping((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalDCOffset |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalDCOffset((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalNoisy |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalNoisy((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooQuiet |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalTooQuiet((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooFewSamples |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalTooFewSamples((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| static JNIEXPORT jboolean JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooManySamples |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| ESR_BOOL rtn = ESR_FALSE; |
| checkEsrError(env, SR_RecognizerIsSignalTooManySamples((SR_Recognizer*)recognizer, &rtn)); |
| return rtn; |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_AcousticState JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1AcousticStateReset |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| checkEsrError(env, SR_AcousticStateReset((SR_Recognizer*)recognizer)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1AcousticStateSet |
| (JNIEnv *env, jclass clazz, jlong recognizer, jstring state) { |
| const char* st = env->GetStringUTFChars(state, 0); |
| checkEsrError(env, SR_AcousticStateSet((SR_Recognizer*)recognizer, st)); |
| env->ReleaseStringUTFChars(state, st); |
| } |
| |
| static JNIEXPORT jstring JNICALL Java_android_speech_srec_Recognizer_SR_1AcousticStateGet |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| char rtn[1000]; |
| size_t rtnLength = sizeof(rtn) - 1; |
| ESR_ReturnCode esr_status = SR_AcousticStateGet((SR_Recognizer*)recognizer, rtn, &rtnLength); |
| if (esr_status) { |
| checkEsrError(env, esr_status); |
| return NULL; |
| } |
| rtn[rtnLength] = 0; |
| return env->NewStringUTF(rtn); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_Grammar JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarCompile |
| (JNIEnv *env, jclass clazz, jlong grammar) { |
| checkEsrError(env, SR_GrammarCompile((SR_Grammar*)grammar)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarAddWordToSlot |
| (JNIEnv *env, jclass clazz, jlong grammar, jstring slot, jstring word, jstring pronunciation, jint weight, jstring tag) { |
| const char* sl = 0; |
| const char* wo = 0; |
| const char* pr = 0; |
| const char* ta = 0; |
| if ((sl = env->GetStringUTFChars(slot, 0)) && |
| (wo = env->GetStringUTFChars(word, 0)) && |
| (!pronunciation || (pr = env->GetStringUTFChars(pronunciation, 0))) && |
| (ta = env->GetStringUTFChars(tag, 0))) { |
| checkEsrError(env, SR_GrammarAddWordToSlot((SR_Grammar*)grammar, sl, wo, pr, weight, ta)); |
| } |
| if (ta) env->ReleaseStringUTFChars(tag, ta); |
| if (pr) env->ReleaseStringUTFChars(pronunciation, pr); |
| if (wo) env->ReleaseStringUTFChars(word, wo); |
| if (sl) env->ReleaseStringUTFChars(slot, sl); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarResetAllSlots |
| (JNIEnv *env, jclass clazz, jlong grammar) { |
| checkEsrError(env, SR_GrammarResetAllSlots((SR_Grammar*)grammar)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarSetupVocabulary |
| (JNIEnv *env, jclass clazz, jlong grammar, jlong vocabulary) { |
| checkEsrError(env, SR_GrammarSetupVocabulary((SR_Grammar*)grammar, (SR_Vocabulary*)vocabulary)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarSetupRecognizer |
| (JNIEnv *env, jclass clazz, jlong grammar, jlong recognizer) { |
| checkEsrError(env, SR_GrammarSetupRecognizer((SR_Grammar*)grammar, (SR_Recognizer*)recognizer)); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarUnsetupRecognizer |
| (JNIEnv *env, jclass clazz, jlong grammar) { |
| checkEsrError(env, SR_GrammarUnsetupRecognizer((SR_Grammar*)grammar)); |
| } |
| |
| static JNIEXPORT jlong JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarCreate |
| (JNIEnv *env, jclass clazz) { |
| SR_Grammar* grammar = 0; |
| checkEsrError(env, SR_GrammarCreate(&grammar)); |
| return (jlong)grammar; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarDestroy |
| (JNIEnv *env, jclass clazz, jlong grammar) { |
| checkEsrError(env, SR_GrammarDestroy((SR_Grammar*)grammar)); |
| } |
| |
| static JNIEXPORT jlong JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarLoad |
| (JNIEnv *env, jclass clazz, jstring fileName) { |
| // TODO: check for fileName NPE |
| SR_Grammar* grammar = 0; |
| const char* fn = env->GetStringUTFChars(fileName, 0); |
| checkEsrError(env, SR_GrammarLoad(fn, &grammar)); |
| env->ReleaseStringUTFChars(fileName, fn); |
| return (jlong)grammar; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarSave |
| (JNIEnv *env, jclass clazz, jlong grammar, jstring fileName) { |
| const char* fn = env->GetStringUTFChars(fileName, 0); |
| checkEsrError(env, SR_GrammarSave((SR_Grammar*)grammar, fn)); |
| env->ReleaseStringUTFChars(fileName, fn); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarAllowOnly |
| (JNIEnv *env, jclass clazz, jlong grammar, jstring transcription) { |
| const char* tr = env->GetStringUTFChars(transcription, 0); |
| checkEsrError(env, SR_GrammarSave((SR_Grammar*)grammar, tr)); |
| env->ReleaseStringUTFChars(transcription, tr); |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1GrammarAllowAll |
| (JNIEnv *env, jclass clazz, jlong grammar) { |
| checkEsrError(env, SR_GrammarAllowAll((SR_Grammar*)grammar)); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_Vocabulary JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT jlong JNICALL Java_android_speech_srec_Recognizer_SR_1VocabularyLoad |
| (JNIEnv *env, jclass clazz) { |
| char filename[P_PATH_MAX]; |
| size_t flen = sizeof(filename) - 1; |
| checkEsrError(env, ESR_SessionGetLCHAR ( L("cmdline.vocabulary"), filename, &flen )); |
| filename[sizeof(filename) - 1] = 0; |
| // TODO: do we need to clean up the recognizer if this fails? |
| SR_Vocabulary* vocabulary = NULL; |
| checkEsrError(env, SR_VocabularyLoad(filename, &vocabulary)); |
| return (jlong)vocabulary; |
| } |
| |
| static JNIEXPORT void JNICALL Java_android_speech_srec_Recognizer_SR_1VocabularyDestroy |
| (JNIEnv *env, jclass clazz, jlong vocabulary) { |
| // TODO: do we need to clean up the recognizer if this fails? |
| checkEsrError(env, SR_VocabularyDestroy((SR_Vocabulary*)vocabulary)); |
| } |
| |
| static JNIEXPORT jstring JNICALL Java_android_speech_srec_Recognizer_SR_1VocabularyGetPronunciation |
| (JNIEnv *env, jclass clazz, jlong vocabulary, jstring word) { |
| char rtn[1000]; |
| size_t rtnLength = sizeof(rtn) - 1; |
| const char* wo = env->GetStringUTFChars(word, 0); |
| ESR_ReturnCode esr_status = SR_VocabularyGetPronunciation((SR_Vocabulary*)vocabulary, wo, rtn, &rtnLength); |
| env->ReleaseStringUTFChars(word, wo); |
| if (esr_status) { |
| checkEsrError(env, esr_status); |
| return NULL; |
| } |
| rtn[rtnLength] = 0; |
| return env->NewStringUTF(rtn); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // SR_RecognizerResult JNI implementations |
| ////////////////////////////////////////////////////////////////////////// |
| |
| static JNIEXPORT jbyteArray JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetWaveform |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| unimplemented(env); |
| return 0; |
| } |
| |
| static JNIEXPORT jint JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetSize |
| (JNIEnv *env, jclass clazz, jlong recognizer) { |
| size_t size = 0; |
| checkEsrError(env, SR_RecognizerResultGetSize(((SR_RecognizerImpl*)recognizer)->result, &size)); |
| return size; |
| } |
| |
| static JNIEXPORT jint JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetKeyCount |
| (JNIEnv *env, jclass clazz, jlong recognizer, jint nbest) { |
| size_t size = 0; |
| checkEsrError(env, SR_RecognizerResultGetKeyCount(((SR_RecognizerImpl*)recognizer)->result, nbest, &size)); |
| return size; |
| } |
| |
| static JNIEXPORT jobjectArray JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetKeyList |
| (JNIEnv *env, jclass clazz, jlong recognizer, jint nbest) { |
| // fetch list |
| LCHAR* list[200]; |
| size_t listSize = sizeof(list) / sizeof(list[0]); |
| ESR_ReturnCode esr_status = SR_RecognizerResultGetKeyList(((SR_RecognizerImpl*)recognizer)->result, nbest, list, &listSize); |
| if (esr_status) { |
| checkEsrError(env, esr_status); |
| return NULL; |
| } |
| |
| // create String[] of keys |
| jclass stringClass = env->FindClass("java/lang/String"); |
| if (!stringClass) return NULL; |
| jobjectArray array = env->NewObjectArray(listSize, stringClass, NULL); |
| if (!array) return NULL; |
| |
| // fill it |
| for (size_t i = 0; i < listSize; i++) { |
| // generate new String for key |
| jstring key = env->NewStringUTF(list[i]); |
| if (!key) return NULL; |
| // set the array |
| env->SetObjectArrayElement(array, i, key); |
| env->DeleteLocalRef(key); |
| } |
| |
| return array; |
| } |
| |
| static JNIEXPORT jstring JNICALL Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetValue |
| (JNIEnv *env, jclass clazz, jlong recognizer, jint nbest, jstring key) { |
| char rtn[1000]; |
| size_t rtnLength = sizeof(rtn) - 1; |
| const char* ke = env->GetStringUTFChars(key, 0); |
| ESR_ReturnCode esr_status = SR_RecognizerResultGetValue(((SR_RecognizerImpl*)recognizer)->result, nbest, ke, rtn, &rtnLength); |
| env->ReleaseStringUTFChars(key, ke); |
| if (esr_status) { |
| checkEsrError(env, esr_status); |
| return NULL; |
| } |
| rtn[rtnLength] = 0; |
| return env->NewStringUTF(rtn); |
| } |
| |
| |
| /* |
| * Table of methods associated with a single class. |
| */ |
| static JNINativeMethod gMethods[] = { |
| /* name, signature, funcPtr */ |
| // PMem |
| {"PMemInit", "()V", (void*)Java_android_speech_srec_Recognizer_PMemInit}, |
| {"PMemShutdown", "()V", (void*)Java_android_speech_srec_Recognizer_PMemShutdown}, |
| // SR_Session |
| {"SR_SessionCreate", "(Ljava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1SessionCreate}, |
| {"SR_SessionDestroy", "()V", (void*)Java_android_speech_srec_Recognizer_SR_1SessionDestroy}, |
| // SR_Recognizer |
| {"SR_RecognizerStart", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerStart}, |
| {"SR_RecognizerStop", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerStop}, |
| {"SR_RecognizerCreate", "()J", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerCreate}, |
| {"SR_RecognizerDestroy", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerDestroy}, |
| {"SR_RecognizerSetup", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerSetup}, |
| {"SR_RecognizerUnsetup", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerUnsetup}, |
| {"SR_RecognizerIsSetup", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSetup}, |
| {"SR_RecognizerGetParameter", "(JLjava/lang/String;)Ljava/lang/String;", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerGetParameter}, |
| {"SR_RecognizerGetSize_tParameter", "(JLjava/lang/String;)I", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerGetSize_1tParameter}, |
| {"SR_RecognizerGetBoolParameter", "(JLjava/lang/String;)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerGetBoolParameter}, |
| {"SR_RecognizerSetParameter", "(JLjava/lang/String;Ljava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerSetParameter}, |
| {"SR_RecognizerSetSize_tParameter", "(JLjava/lang/String;I)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerSetSize_1tParameter}, |
| {"SR_RecognizerSetBoolParameter", "(JLjava/lang/String;Z)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerSetBoolParameter}, |
| {"SR_RecognizerSetupRule", "(JJLjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerSetupRule}, |
| {"SR_RecognizerHasSetupRules", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerHasSetupRules}, |
| {"SR_RecognizerActivateRule", "(JJLjava/lang/String;I)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerActivateRule}, |
| {"SR_RecognizerDeactivateRule", "(JJLjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerDeactivateRule}, |
| {"SR_RecognizerDeactivateAllRules", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerDeactivateAllRules}, |
| {"SR_RecognizerIsActiveRule", "(JJLjava/lang/String;)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsActiveRule}, |
| {"SR_RecognizerCheckGrammarConsistency", "(JJ)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerCheckGrammarConsistency}, |
| {"SR_RecognizerPutAudio", "(J[BIIZ)I", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerPutAudio}, |
| {"SR_RecognizerAdvance", "(J)I", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerAdvance}, |
| {"SR_RecognizerIsSignalClipping", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalClipping}, |
| {"SR_RecognizerIsSignalDCOffset", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalDCOffset}, |
| {"SR_RecognizerIsSignalNoisy", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalNoisy}, |
| {"SR_RecognizerIsSignalTooQuiet", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooQuiet}, |
| {"SR_RecognizerIsSignalTooFewSamples", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooFewSamples}, |
| {"SR_RecognizerIsSignalTooManySamples", "(J)Z", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerIsSignalTooManySamples}, |
| // SR_AcousticState |
| {"SR_AcousticStateReset", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1AcousticStateReset}, |
| {"SR_AcousticStateSet", "(JLjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1AcousticStateSet}, |
| {"SR_AcousticStateGet", "(J)Ljava/lang/String;", (void*)Java_android_speech_srec_Recognizer_SR_1AcousticStateGet}, |
| // SR_Grammar |
| {"SR_GrammarCompile", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarCompile}, |
| {"SR_GrammarAddWordToSlot", "(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;ILjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarAddWordToSlot}, |
| {"SR_GrammarResetAllSlots", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarResetAllSlots}, |
| {"SR_GrammarSetupVocabulary", "(JJ)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarSetupVocabulary}, |
| {"SR_GrammarSetupRecognizer", "(JJ)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarSetupRecognizer}, |
| {"SR_GrammarUnsetupRecognizer", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarUnsetupRecognizer}, |
| {"SR_GrammarCreate", "()J", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarCreate}, |
| {"SR_GrammarDestroy", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarDestroy}, |
| {"SR_GrammarLoad", "(Ljava/lang/String;)J", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarLoad}, |
| {"SR_GrammarSave", "(JLjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarSave}, |
| {"SR_GrammarAllowOnly", "(JLjava/lang/String;)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarAllowOnly}, |
| {"SR_GrammarAllowAll", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1GrammarAllowAll}, |
| // SR_Vocabulary |
| {"SR_VocabularyLoad", "()J", (void*)Java_android_speech_srec_Recognizer_SR_1VocabularyLoad}, |
| {"SR_VocabularyDestroy", "(J)V", (void*)Java_android_speech_srec_Recognizer_SR_1VocabularyDestroy}, |
| {"SR_VocabularyGetPronunciation", "(JLjava/lang/String;)Ljava/lang/String;", (void*)Java_android_speech_srec_Recognizer_SR_1VocabularyGetPronunciation}, |
| // SR_RecognizerResult |
| {"SR_RecognizerResultGetWaveform", "(J)[B", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetWaveform}, |
| {"SR_RecognizerResultGetSize", "(J)I", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetSize}, |
| {"SR_RecognizerResultGetKeyCount", "(JI)I", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetKeyCount}, |
| {"SR_RecognizerResultGetKeyList", "(JI)[Ljava/lang/String;", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetKeyList}, |
| {"SR_RecognizerResultGetValue", "(JILjava/lang/String;)Ljava/lang/String;", (void*)Java_android_speech_srec_Recognizer_SR_1RecognizerResultGetValue}, |
| }; |
| |
| /* |
| * Returns the JNI version on success, -1 on failure. |
| */ |
| jint register_android_speech_srec_Recognizer(JavaVM* vm, void* reserved) |
| { |
| JNIEnv* env = NULL; |
| jclass clazz = NULL; |
| const char* className = "android/speech/srec/Recognizer"; |
| |
| if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) { |
| ALOGE("ERROR: GetEnv failed\n"); |
| return -1; |
| } |
| assert(env != NULL); |
| |
| clazz = env->FindClass(className); |
| if (clazz == NULL) { |
| ALOGE("Native registration unable to find class '%s'\n", className); |
| return -1; |
| } |
| if (env->RegisterNatives(clazz, gMethods, |
| sizeof(gMethods) / sizeof(gMethods[0])) < 0) { |
| ALOGE("RegisterNatives failed for '%s'\n", className); |
| return -1; |
| } |
| |
| /* success -- return valid version number */ |
| return JNI_VERSION_1_4; |
| } |
| |
| |
| extern jint register_android_speech_srec_MicrophoneInputStream(JavaVM* vm, void* reserved); |
| |
| jint JNI_OnLoad(JavaVM* vm, void* reserved) |
| { |
| if (register_android_speech_srec_MicrophoneInputStream(vm, reserved) != JNI_VERSION_1_4 || |
| register_android_speech_srec_Recognizer(vm, reserved) != JNI_VERSION_1_4) return -1; |
| return JNI_VERSION_1_4; |
| } |
