尝试在jni中捕获异常

This commit is contained in:
TonyJiangWJ 2023-11-27 11:06:56 +08:00
parent e4b890977e
commit 851051dfa4
2 changed files with 50 additions and 43 deletions

2
.gitignore vendored
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@ -16,3 +16,5 @@
.idea/caches/build_file_checksums.ser
.idea/
*.log
.settings/
.vscode/

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@ -67,51 +67,56 @@ Java_com_baidu_paddle_lite_ocr_OCRPredictorNative_forward(
JNIEnv *env, jobject thiz, jlong java_pointer,
jobject original_image,jint j_max_size_len, jint j_run_det, jint j_run_cls,
jint j_run_rec) {
LOGI("begin to run native forward");
if (java_pointer == 0) {
LOGE("JAVA pointer is NULL");
try {
LOGI("begin to run native forward");
if (java_pointer == 0) {
LOGE("JAVA pointer is NULL");
return cpp_array_to_jfloatarray(env, nullptr, 0);
}
cv::Mat origin = bitmap_to_cv_mat(env, original_image);
if (origin.size == nullptr) {
LOGE("origin bitmap cannot convert to CV Mat");
return cpp_array_to_jfloatarray(env, nullptr, 0);
}
int max_size_len = j_max_size_len;
int run_det = j_run_det;
int run_cls = j_run_cls;
int run_rec = j_run_rec;
ppredictor::OCR_PPredictor *ppredictor =
(ppredictor::OCR_PPredictor *)java_pointer;
std::vector<int64_t> dims_arr;
std::vector<ppredictor::OCRPredictResult> results =
ppredictor->infer_ocr(origin, max_size_len, run_det, run_cls, run_rec);
LOGI("infer_ocr finished with boxes %ld", results.size());
// 这里将std::vector<ppredictor::OCRPredictResult> 序列化成
// float数组传输到java层再反序列化
std::vector<float> float_arr;
for (const ppredictor::OCRPredictResult &r : results) {
float_arr.push_back(r.points.size());
float_arr.push_back(r.word_index.size());
float_arr.push_back(r.score);
// add det point
for (const std::vector<int> &point : r.points) {
float_arr.push_back(point.at(0));
float_arr.push_back(point.at(1));
}
// add rec word idx
for (int index : r.word_index) {
float_arr.push_back(index);
}
// add cls result
float_arr.push_back(r.cls_label);
float_arr.push_back(r.cls_score);
}
return cpp_array_to_jfloatarray(env, float_arr.data(), float_arr.size());
} catch (const std::exception& e) {
LOGE("something went wrong, unable to resolve it");
return cpp_array_to_jfloatarray(env, nullptr, 0);
}
cv::Mat origin = bitmap_to_cv_mat(env, original_image);
if (origin.size == nullptr) {
LOGE("origin bitmap cannot convert to CV Mat");
return cpp_array_to_jfloatarray(env, nullptr, 0);
}
int max_size_len = j_max_size_len;
int run_det = j_run_det;
int run_cls = j_run_cls;
int run_rec = j_run_rec;
ppredictor::OCR_PPredictor *ppredictor =
(ppredictor::OCR_PPredictor *)java_pointer;
std::vector<int64_t> dims_arr;
std::vector<ppredictor::OCRPredictResult> results =
ppredictor->infer_ocr(origin, max_size_len, run_det, run_cls, run_rec);
LOGI("infer_ocr finished with boxes %ld", results.size());
// 这里将std::vector<ppredictor::OCRPredictResult> 序列化成
// float数组传输到java层再反序列化
std::vector<float> float_arr;
for (const ppredictor::OCRPredictResult &r : results) {
float_arr.push_back(r.points.size());
float_arr.push_back(r.word_index.size());
float_arr.push_back(r.score);
// add det point
for (const std::vector<int> &point : r.points) {
float_arr.push_back(point.at(0));
float_arr.push_back(point.at(1));
}
// add rec word idx
for (int index : r.word_index) {
float_arr.push_back(index);
}
// add cls result
float_arr.push_back(r.cls_label);
float_arr.push_back(r.cls_score);
}
return cpp_array_to_jfloatarray(env, float_arr.data(), float_arr.size());
}
extern "C" JNIEXPORT void JNICALL