[gstreamer-bugs] [Bug 345336] New: modplug plugin doesn't work on AMD64

[GStreamer (bugzilla.gnome.org) <bug...@bu...>]

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http://bugzilla.gnome.org/show_bug.cgi?id=3D345336
 GStreamer | gst-plugins-bad | Ver: HEAD CVS

           Summary: modplug plugin doesn't work on AMD64
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gst...@li...
        ReportedBy: st...@sp...
         QAContact: gst...@li...
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Compiling the GStreamer modplug plugin from CVS on AMD64 produces a non-w=
orking
plugin (files can not be played correctly). Linking against the debian un=
stable
system supplied libmodplug instead of the version from the GStreamer CVS =
fixes
the problem.

I assume that the only problem is that the stdafx.h header of the version=
  of
libmodplug in the GStreamer CVS makes assumptions on the width of certain=
 C
types that are no longer valid on AMD64. Where stdafx.h as found in the
GStreamer CVS does unconditionally define:

typedef unsigned long DWORD;
typedef long LONG;

and others (which are 32-bit types on 32-bit systems, and 64-bit types on
AMD64), the debian supplied libmodplug/stdafx.h has:

#if defined(__x86_64__)
typedef unsigned int ULONG;
typedef unsigned int UINT;
typedef unsigned int DWORD;
typedef int LONG;
typedef long LONGLONG;
typedef int * LPLONG;
typedef unsigned int * LPDWORD;
#else
typedef unsigned long ULONG;
typedef unsigned long UINT;
typedef unsigned long DWORD;
typedef long LONG;
typedef long long LONGLONG;
typedef long * LPLONG;
typedef unsigned long * LPDWORD;
#endif

I have checked the upstream version of libmodplug (which nowerdays is 0.8=
,
GStreamer CVS includes 0.7), and it also contains the #ifdef specialcasin=
g.

So I think there are three ways of solving the problem:

1. update the GStreamer CVS to libmodplug-0.8
2. link against a system-supplied libmodplug when available
   (via configure check)
3. try to backfold the debian changes against libmodplug-0.7 into GStream=
er

I suggest going with the first alternative. Let me know if you need a pat=
ch.


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