当我尝试创建一个 cv::Mat 并在之后释放它(下面的代码)时,我仍然有(根据 valgrind)每个像素大约 1 个字节的内存泄漏。
有谁知道如何正确释放 cv::Mat 的内存?
感谢您的回答:)
代码:
int main(int argc, char** argv)
{
cv::Mat* matrx = new cv::Mat(1000,1000,CV_8UC1,0.);
matrx->release();
delete matrx;
return 0;
}
瓦尔格林:
[...]
==29420== 1,000,028 bytes in 1 blocks are definitely lost in loss record 372 of 372
==29420== at 0x4C2AB80: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==29420== by 0x5438877: cv::fastMalloc(unsigned long) (in /usr/lib/x86_64-linux-gnu/libopencv_core.so.2.4.8)
==29420== by 0x536FE2A: cv::Mat::create(int, int const*, int) (in /usr/lib/x86_64-linux-gnu/libopencv_core.so.2.4.8)
==29420== by 0x426FB5: cv::Mat::create(int, int, int) (mat.inl.hpp:663)
==29420== by 0x426ECD: cv::Mat::Mat(int, int, int, cv::Scalar_<double> const&) (mat.inl.hpp:347)
==29420== by 0x425A09: main (main.cpp:18)
==29420==
==29420== LEAK SUMMARY:
==29420== definitely lost: 1,000,028 bytes in 1 blocks
==29420== indirectly lost: 0 bytes in 0 blocks
==29420== possibly lost: 5,072 bytes in 95 blocks
==29420== still reachable: 304,758 bytes in 1,348 blocks
==29420== suppressed: 0 bytes in 0 blocks
[...]