[Bug 761163] New: videocrop: Access violation reading

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=761163

            Bug ID: 761163
           Summary: videocrop: Access violation reading
    Classification: Platform
           Product: GStreamer
           Version: 1.6.3
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: z.petrov at geoscan.aero
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

1. DESCRIPTION:
If set properties (left, top, right, bottom) for videocrop while pipeline
playing, it crashes sometimes with "Access violation reading".

2. HOW TO REPRODUCE:
I ofen reproduce this bug with next several elements:
videotestsrc ! video/x-raw, framerate=25/1, width=1920, height=1088 ! videocrop
! autovideosink

When the pipeline is on PLAYING state I set random values for videocrop
properties (left, top, right, bottom) several times per second. After some time
program crashes with "Access violation reading".

It can be reproduced only with one setting while playing. But that rarely
happens.

It is reproduced on RGB and YUV frame format both.

3. STACK
msvcrt.dll!000007fefea511be()
libgstvideocrop.dll!00000000150e1e1c()
libgstvideo-1.0-0.dll!000000006d41d61f()
libgstbase-1.0-0.dll!00000000198e6930()
libgstbase-1.0-0.dll!00000000198e63ba()
libgstreamer-1.0-0.dll!0000000061481054()
libgstbase-1.0-0.dll!00000000198e638d()
libgstreamer-1.0-0.dll!0000000061481054()
libgstbase-1.0-0.dll!00000000198e2436()
libgstreamer-1.0-0.dll!00000000614af514()
libglib-2.0-0.dll!00000000686154b5()
libglib-2.0-0.dll!0000000068614cc9()
libglib-2.0-0.dll!000000006863103a()
[External Code]

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