[gstreamer-bugs] [Bug 304581] New: gstreamer crashes during video encoding when framerate is unspecified

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 http://bugzilla.gnome.org/show_bug.cgi?id=304581
 GStreamer | gstreamer (core) | Ver: 0.8.9

           Summary: gstreamer crashes during video encoding when framerate
                    is unspecified
           Product: GStreamer
           Version: 0.8.9
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: critical
          Priority: High
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: gstreamer at tronel.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
                CC: all-bugs at bugzilla.gnome.org


Steps to reproduce:
gst-launch-0.8 -v videotestsrc  ! ffmpegcolorspace ! ffenc_mpeg1video !  fakesink 
 

Stack trace:
Thread 1 (Thread -1212757568 (LWP 25674)): 
#0  0xb776ca8a in gst_ffmpegcsp_register () from /usr/lib/gstreamer-0.8/libgstffmpeg.so 
#1  0xb7807f71 in gst_ffmpegcsp_register () from /usr/lib/gstreamer-0.8/libgstffmpeg.so 
#2  0xb77718bb in gst_ffmpegcsp_register () from /usr/lib/gstreamer-0.8/libgstffmpeg.so 
#3  0xb776d566 in gst_ffmpegcsp_register () from /usr/lib/gstreamer-0.8/libgstffmpeg.so 
#4  0xb772bf81 in gst_ffmpegdemux_register () from /usr/lib/gstreamer-0.8/libgstffmpeg.so 
#5  0xb7eeac65 in gst_pad_is_linked () from /usr/lib/libgstreamer-0.8.so.1 
#6  0xb7eeb11b in gst_pad_is_linked () from /usr/lib/libgstreamer-0.8.so.1 
#7  0xb7edec32 in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#8  0xb7edf52a in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#9  0xb794f57c in ?? () from /usr/lib/gstreamer-0.8/libgstffmpegcolorspace.so 
#10 0x080c0ff0 in ?? () 
#11 0x080573e0 in ?? () 
#12 0x080c0ff0 in ?? () 
#13 0xb7fd636c in ?? () from /usr/lib/libgstreamer-0.8.so.1 
#14 0x00000b20 in ?? () 
#15 0x00000004 in ?? () 
#16 0xbffff488 in ?? () 
#17 0xb7ede91c in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#18 0xb7ede91c in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#19 0xb7ede5f6 in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#20 0xb7ed090f in gst_bin_child_state_change () from /usr/lib/libgstreamer-0.8.so.1 
#21 0xb7ed0824 in gst_bin_child_state_change () from /usr/lib/libgstreamer-0.8.so.1 
#22 0xb7ed0cc4 in gst_bin_child_state_change () from /usr/lib/libgstreamer-0.8.so.1 
#23 0xb7ef51f1 in gst_pipeline_new () from /usr/lib/libgstreamer-0.8.so.1 
#24 0xb7ede91c in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#25 0xb7ed0f17 in gst_bin_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#26 0xb7ede5f6 in gst_element_set_state () from /usr/lib/libgstreamer-0.8.so.1 
#27 0x0804a5a1 in ?? () 
#28 0x080d46f8 in ?? () 
#29 0x00000008 in ?? () 
#30 0x00000005 in ?? () 
#31 0x00000000 in ?? () 
#32 0x00000000 in ?? () 
#33 0x00000000 in ?? () 
#34 0xb7d31b8c in ?? () 
#35 0xb7b7af38 in ?? () from /lib/tls/libc.so.6 
#36 0xbffff758 in ?? () 
#37 0xb7ff24bf in _dl_lookup_versioned_symbol () from /lib/ld-linux.so.2 
#38 0xb7b82974 in __libc_start_main () from /lib/tls/libc.so.6 
#39 0x080495c1 in ?? () 
 

Other information:
I'm using gstreamer Debian package which not compiled with debugging symbol enabled. 
So i'm not sure the trace is very useful. Moreover, the bug not not appear when one specifies 
the framerate: 
gst-launch-0.8 -v videotestsrc  ! video/x-raw-rgb,framerate=25 ! ffenc_mpeg1video !  fakesink

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