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Do not release user-provided buffer, if decoder failed.

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This commit is contained in:
Alexander Smorkalov
2024-01-27 13:32:12 +03:00
parent efc9837df1
commit c9671da732
3 changed files with 24 additions and 9 deletions
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modules/imgcodecs/test/test_grfmt.cpp
+13
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@@ -482,6 +482,19 @@ TEST(Imgcodecs, write_parameter_type)
EXPECT_EQ(0, remove(tmp_file.c_str()));
}
TEST(Imgcodecs, imdecode_user_buffer)
{
cv::Mat encoded = cv::Mat::zeros(1, 1024, CV_8UC1);
cv::Mat user_buffer(1, 1024, CV_8UC1);
cv::Mat result = cv::imdecode(encoded, IMREAD_ANYCOLOR, &user_buffer);
EXPECT_TRUE(result.empty());
// the function does not release user-provided buffer
EXPECT_FALSE(user_buffer.empty());
result = cv::imdecode(encoded, IMREAD_ANYCOLOR);
EXPECT_TRUE(result.empty());
}
}} // namespace
#if defined(HAVE_OPENEXR) && defined(OPENCV_IMGCODECS_ENABLE_OPENEXR_TESTS)