[gstreamer-bugs] [Bug 327028] New: MS Video 1 palettized AVI

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: HEAD CVS

           Summary: MS Video 1 palettized AVI
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: fabrizio.ge at tiscali.it
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unversioned Enhancement
   GNOME milestone: Unspecified


I have some AVI files in MS Video 1 format, with 256 colours palette. Curently
GStreamer shows a load of wierd colours instead of the image, because it does
not read the palette.

This patch adds support for those files.

The modification to ffmpegcolorspace.c is necessary because, without that, I am
getting negotiation errors: something like gstbasetransform.c(1245):subclass
did
not specify output size. The file is 160x120 with a 256-colour palette
Apparently the MS Video 1 decoder gives back a buffer of 20224 bytes (160*120*1
for the image + 256*4 for the palette), but gst_ffmpegcsp_get_unit_size
returned
19200 (160*120*1, no palette). I haven't experienced any regressions with this
modification, but it should be tested.


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