[Bug 736118] New: The buffer is not writable in transform_frame_ip

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=736118
  GStreamer | gst-plugins-base | 1.4.1

           Summary: The buffer is not writable in transform_frame_ip
    Classification: Platform
           Product: GStreamer
           Version: 1.4.1
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: mattyclarkson at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=285476)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=285476)
Example test case.

When creating a simple video filter the buffer is not writable in
transform_frame_ip:

static GstFlowReturn
gst_test_transform_frame_ip (GstVideoFilter * filter, GstVideoFrame * frame)
{
  GstTest *test = GST_TEST (filter);

  GST_DEBUG_OBJECT (test, "transform_frame_ip");
  GST_INFO_OBJECT (test, gst_buffer_is_writable(frame->buffer) ?
    "writable" :
    "not writable");

  return GST_FLOW_OK;
}

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