66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
// sherpa-onnx/jni/jni.cc
|
|
//
|
|
// Copyright (c) 2022-2023 Xiaomi Corporation
|
|
// 2022 Pingfeng Luo
|
|
// 2023 Zhaoming
|
|
|
|
#include <fstream>
|
|
|
|
#include "sherpa-onnx/csrc/macros.h"
|
|
#include "sherpa-onnx/csrc/onnx-utils.h"
|
|
#include "sherpa-onnx/csrc/wave-writer.h"
|
|
#include "sherpa-onnx/jni/common.h"
|
|
|
|
// see
|
|
// https://stackoverflow.com/questions/29043872/android-jni-return-multiple-variables
|
|
jobject NewInteger(JNIEnv *env, int32_t value) {
|
|
jclass cls = env->FindClass("java/lang/Integer");
|
|
jmethodID constructor = env->GetMethodID(cls, "<init>", "(I)V");
|
|
return env->NewObject(cls, constructor, value);
|
|
}
|
|
|
|
jobject NewFloat(JNIEnv *env, float value) {
|
|
jclass cls = env->FindClass("java/lang/Float");
|
|
jmethodID constructor = env->GetMethodID(cls, "<init>", "(F)V");
|
|
return env->NewObject(cls, constructor, value);
|
|
}
|
|
|
|
SHERPA_ONNX_EXTERN_C
|
|
JNIEXPORT jboolean JNICALL Java_com_k2fsa_sherpa_onnx_GeneratedAudio_saveImpl(
|
|
JNIEnv *env, jobject /*obj*/, jstring filename, jfloatArray samples,
|
|
jint sample_rate) {
|
|
const char *p_filename = env->GetStringUTFChars(filename, nullptr);
|
|
|
|
jfloat *p = env->GetFloatArrayElements(samples, nullptr);
|
|
jsize n = env->GetArrayLength(samples);
|
|
|
|
bool ok = sherpa_onnx::WriteWave(p_filename, sample_rate, p, n);
|
|
|
|
env->ReleaseStringUTFChars(filename, p_filename);
|
|
env->ReleaseFloatArrayElements(samples, p, JNI_ABORT);
|
|
|
|
return ok;
|
|
}
|
|
|
|
#if 0
|
|
SHERPA_ONNX_EXTERN_C
|
|
JNIEXPORT void JNICALL
|
|
Java_com_k2fsa_sherpa_onnx_OnlineRecognizer_decodeStreams(JNIEnv *env,
|
|
jobject /*obj*/,
|
|
jlong ptr,
|
|
jlongArray ss_ptr,
|
|
jint stream_size) {
|
|
sherpa_onnx::OnlineRecognizer *model =
|
|
reinterpret_cast<sherpa_onnx::OnlineRecognizer *>(ptr);
|
|
jlong *p = env->GetLongArrayElements(ss_ptr, nullptr);
|
|
jsize n = env->GetArrayLength(ss_ptr);
|
|
std::vector<sherpa_onnx::OnlineStream *> p_ss(n);
|
|
for (int32_t i = 0; i != n; ++i) {
|
|
p_ss[i] = reinterpret_cast<sherpa_onnx::OnlineStream *>(p[i]);
|
|
}
|
|
|
|
model->DecodeStreams(p_ss.data(), n);
|
|
env->ReleaseLongArrayElements(ss_ptr, p, JNI_ABORT);
|
|
}
|
|
#endif
|