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Date: Mon, 18 Jun 2012 13:22:19 -0400
From: "Dieter BSD" <dieterbsd@engineer.com>
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Subject: Re: ffmpeg Bus error
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> Bus error (core dumped)

Method 1: Find or create a small input file that triggers the bug,
submit it to the developers and hope they fix it.

Method 2: Recompile with -g, run it under a debugger (gdb or similar),
get a stack backtrack.  Find the source code that is causing the error
and fix it.  Submit a patch to the developers.