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Description: avoid occasional crash in async call to opencv
Author: Jochen Sprickerhof <jspricke@debian.org>
Reviewed-By: Jérémy Lal <kapouer@melix.org>
Last-Update: 2021-04-30
Forwarded: https://github.com/peterbraden/node-opencv/pull/679
--- a/src/OpenCV.cc
+++ b/src/OpenCV.cc
@@ -37,6 +37,7 @@
cv::Mat mbuf(len, 1, CV_64FC1, buf);
outputmat = cv::imdecode(mbuf, flags);
success = 1;
+ free(buf);
} catch(...){
success = 0;
}
@@ -224,8 +225,10 @@
// async
uint8_t *buf = (uint8_t *) Buffer::Data(Nan::To<v8::Object>(info[0]).ToLocalChecked());
unsigned len = Buffer::Length(Nan::To<v8::Object>(info[0]).ToLocalChecked());
+ uint8_t *buf_new = (uint8_t *)malloc(len);
+ memcpy(buf_new, buf, len);
Nan::Callback *callback = new Nan::Callback(cb.As<Function>());
- Nan::AsyncQueueWorker(new AsyncImDecodeWorker(callback, buf, len, flags));
+ Nan::AsyncQueueWorker(new AsyncImDecodeWorker(callback, buf_new, len, flags));
return;
}
// WILL have returned by here unless exception
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