fix return self.ptr->getBackendName().c_str()

rainyl · Oct 25, 2024 · 936b8f3 · 936b8f3
1 parent 9394c16
commit 936b8f3
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diff --git a/dartcv/videoio/videoio.cpp b/dartcv/videoio/videoio.cpp
@@ -229,6 +229,6 @@ int cv_VideoWriter_fourcc(char c1, char c2, char c3, char c4) {
     return cv::VideoWriter::fourcc(c1, c2, c3, c4);
 }
 
-const char* cv_VideoWriter_getBackendName(VideoWriter self) {
-    return self.ptr->getBackendName().c_str();
+char* cv_VideoWriter_getBackendName(VideoWriter self) {
+    return strdup(self.ptr->getBackendName().c_str());
 }
diff --git a/dartcv/videoio/videoio.h b/dartcv/videoio/videoio.h
@@ -107,7 +107,7 @@ bool cv_VideoWriter_isOpened(VideoWriter self);
 CvStatus* cv_VideoWriter_write(VideoWriter self, Mat img, CvCallback_0 callback);
 CvStatus* cv_VideoWriter_release(VideoWriter self);
 int cv_VideoWriter_fourcc(char c1, char c2, char c3, char c4);
-const char* cv_VideoWriter_getBackendName(VideoWriter self);
+char* cv_VideoWriter_getBackendName(VideoWriter self);
 
 #ifdef __cplusplus
 }