videoio: check iterator in mjpeg_encoder.cpp

6 years ago · 7e353a1ec5
parent 23fc96e98f
commit 7e353a1ec5
1 changed files with 3 additions and 0 deletions
--- a/modules/videoio/src/cap_mjpeg_decoder.cpp
+++ b/modules/videoio/src/cap_mjpeg_decoder.cpp
@ -146,6 +146,9 @@ bool MotionJpegCapture::grabFrame()
        }
        else
        {
+            if (m_frame_iterator == m_mjpeg_frames.end())
+                return false;
+
            ++m_frame_iterator;
        }
    }