videoio: fix lifetime management of data of input frames

7 years ago · e21c01708a
parent 59fc909d48
commit e21c01708a
1 changed files with 1 additions and 1 deletions
--- a/modules/videoio/src/cap_ffmpeg.cpp
+++ b/modules/videoio/src/cap_ffmpeg.cpp
@ -223,7 +223,7 @@ public:
        if (!ffmpegCapture ||
           !icvRetrieveFrame_FFMPEG_p(ffmpegCapture, &data, &step, &width, &height, &cn))
            return false;
-        frame.assign(cv::Mat(height, width, CV_MAKETYPE(CV_8U, cn), data, step));
+        cv::Mat(height, width, CV_MAKETYPE(CV_8U, cn), data, step).copyTo(frame);
        return true;
    }
    virtual bool open( const cv::String& filename )