[Bug 748282] New: playbin : convert-sample produces bad image files

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Apr 22 01:23:11 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=748282

            Bug ID: 748282
           Summary: playbin : convert-sample produces bad image files
    Classification: Platform
           Product: GStreamer
           Version: 1.4.5
                OS: Windows
            Status: NEW
          Severity: major
          Priority: Normal
         Component: don't know
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: bugzilla.gnome.org at harrym.e4ward.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When issuing for playbin the convert-sample signal :

1. JPEG and PNG work but produce invalid files because an unnecessary header of
14 bytes is added at the beginning of the image. This header looks like the
header for a .bmp file. Here is one such header for example:
42 4D 9B 20 01 00 00 00 00 00 36 00 00 00
If the header is erased, then the file becomes valid.

2. Other formats don't work. The GStreamer List of Defined Types contains also
image/gif and image/tiff, but they don't produce any sample (zero returned).

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