[gstreamer-bugs] [Bug 332995] segfault in ffmpeg enc

[GStreamer (bugzilla.gnome.org)]

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http://bugzilla.gnome.org/show_bug.cgi?id=332995
 GStreamer | gst-ffmpeg | Ver: HEAD CVS





------- Comment #3 from Josef Zlomek  2006-03-01 14:33 UTC -------
the pipeline is quite complicated, the simplification is 
filesrc -> dvddemux -> queue -> dvdlpcmdec -> audioconvert -> ffenc_mp2 ->
fakesink.

The buffers coming out of dvdlpcmdec have variable size (from 8 bytes to 2008
bytes for my file). When ffmpeg enc is processing buffer with too small size
and the cache reached frame size, the output buffer is created with the save
size as the input buffer and the codec is called.
Because the output buffer is too small, it overflows and the memory after the
buffer is overwriten, which causes segfault later.


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