140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
// sherpa-onnx/jni/spoken-language-identification.cc
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//
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// Copyright (c) 2024 Xiaomi Corporation
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#include "sherpa-onnx/csrc/spoken-language-identification.h"
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#include "sherpa-onnx/csrc/macros.h"
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#include "sherpa-onnx/jni/common.h"
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namespace sherpa_onnx {
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static SpokenLanguageIdentificationConfig GetSpokenLanguageIdentificationConfig(
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JNIEnv *env, jobject config) {
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SpokenLanguageIdentificationConfig ans;
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jclass cls = env->GetObjectClass(config);
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jfieldID fid = env->GetFieldID(
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cls, "whisper",
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"Lcom/k2fsa/sherpa/onnx/SpokenLanguageIdentificationWhisperConfig;");
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jobject whisper = env->GetObjectField(config, fid);
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jclass whisper_cls = env->GetObjectClass(whisper);
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fid = env->GetFieldID(whisper_cls, "encoder", "Ljava/lang/String;");
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jstring s = (jstring)env->GetObjectField(whisper, fid);
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const char *p = env->GetStringUTFChars(s, nullptr);
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ans.whisper.encoder = p;
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env->ReleaseStringUTFChars(s, p);
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fid = env->GetFieldID(whisper_cls, "decoder", "Ljava/lang/String;");
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s = (jstring)env->GetObjectField(whisper, fid);
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p = env->GetStringUTFChars(s, nullptr);
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ans.whisper.decoder = p;
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env->ReleaseStringUTFChars(s, p);
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fid = env->GetFieldID(whisper_cls, "tailPaddings", "I");
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ans.whisper.tail_paddings = env->GetIntField(whisper, fid);
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fid = env->GetFieldID(cls, "numThreads", "I");
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ans.num_threads = env->GetIntField(config, fid);
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fid = env->GetFieldID(cls, "debug", "Z");
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ans.debug = env->GetBooleanField(config, fid);
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fid = env->GetFieldID(cls, "provider", "Ljava/lang/String;");
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s = (jstring)env->GetObjectField(config, fid);
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p = env->GetStringUTFChars(s, nullptr);
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ans.provider = p;
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env->ReleaseStringUTFChars(s, p);
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return ans;
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}
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} // namespace sherpa_onnx
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SHERPA_ONNX_EXTERN_C
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JNIEXPORT jlong JNICALL
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Java_com_k2fsa_sherpa_onnx_SpokenLanguageIdentification_newFromAsset(
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JNIEnv *env, jobject /*obj*/, jobject asset_manager, jobject _config) {
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#if __ANDROID_API__ >= 9
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AAssetManager *mgr = AAssetManager_fromJava(env, asset_manager);
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if (!mgr) {
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SHERPA_ONNX_LOGE("Failed to get asset manager: %p", mgr);
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return 0;
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}
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#endif
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auto config =
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sherpa_onnx::GetSpokenLanguageIdentificationConfig(env, _config);
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SHERPA_ONNX_LOGE("spoken language identification newFromAsset config:\n%s",
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config.ToString().c_str());
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auto slid = new sherpa_onnx::SpokenLanguageIdentification(
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#if __ANDROID_API__ >= 9
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mgr,
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#endif
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config);
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SHERPA_ONNX_LOGE("slid %p", slid);
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return (jlong)slid;
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}
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SHERPA_ONNX_EXTERN_C
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JNIEXPORT jlong JNICALL
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Java_com_k2fsa_sherpa_onnx_SpokenLanguageIdentification_newFromFile(
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JNIEnv *env, jobject /*obj*/, jobject _config) {
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auto config =
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sherpa_onnx::GetSpokenLanguageIdentificationConfig(env, _config);
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SHERPA_ONNX_LOGE("SpokenLanguageIdentification newFromFile config:\n%s",
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config.ToString().c_str());
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if (!config.Validate()) {
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SHERPA_ONNX_LOGE("Errors found in config!");
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return 0;
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}
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auto tagger = new sherpa_onnx::SpokenLanguageIdentification(config);
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return (jlong)tagger;
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}
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SHERPA_ONNX_EXTERN_C
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JNIEXPORT void JNICALL
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Java_com_k2fsa_sherpa_onnx_SpokenLanguageIdentification_delete(JNIEnv * /*env*/,
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jobject /*obj*/,
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jlong ptr) {
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delete reinterpret_cast<sherpa_onnx::SpokenLanguageIdentification *>(ptr);
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}
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SHERPA_ONNX_EXTERN_C
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JNIEXPORT jlong JNICALL
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Java_com_k2fsa_sherpa_onnx_SpokenLanguageIdentification_createStream(
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JNIEnv * /*env*/, jobject /*obj*/, jlong ptr) {
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auto slid =
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reinterpret_cast<sherpa_onnx::SpokenLanguageIdentification *>(ptr);
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std::unique_ptr<sherpa_onnx::OfflineStream> s = slid->CreateStream();
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// The user is responsible to free the returned pointer.
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//
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// See Java_com_k2fsa_sherpa_onnx_OfflineStream_delete() from
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// ./offline-stream.cc
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sherpa_onnx::OfflineStream *p = s.release();
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return (jlong)p;
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}
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SHERPA_ONNX_EXTERN_C
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JNIEXPORT jstring JNICALL
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Java_com_k2fsa_sherpa_onnx_SpokenLanguageIdentification_compute(JNIEnv *env,
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jobject /*obj*/,
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jlong ptr,
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jlong s_ptr) {
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sherpa_onnx::SpokenLanguageIdentification *slid =
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reinterpret_cast<sherpa_onnx::SpokenLanguageIdentification *>(ptr);
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sherpa_onnx::OfflineStream *s =
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reinterpret_cast<sherpa_onnx::OfflineStream *>(s_ptr);
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std::string lang = slid->Compute(s);
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return env->NewStringUTF(lang.c_str());
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}
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