[gstreamer-bugs] [Bug 588724] New: [vorbisdec] empty encoder string causes GStreamer

Wed Jul 15 15:58:33 PDT 2009

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  GStreamer | gst-plugins-base | Ver: git
           Summary: [vorbisdec] empty encoder string causes GStreamer
           Product: GStreamer
           Version: git
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: philipj at opera.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified

http://www.archive.org/download/street_angel/street_angel.ogv

This file has an empty encoder (vendor) string (presumably produced by broken
ffmpeg encoder). It causes this warning:

GStreamer-WARNING **: Trying to set empty string on taglist field 'encoder'.
Please file a bug.
aborting...

#0  0x00007f98f005dfb5 in raise () from /lib/libc.so.6
#1  0x00007f98f005fbc3 in abort () from /lib/libc.so.6
#2  0x00007f98f1d6f42e in IA__g_logv (log_domain=0x7f98f2c5cb20 "GStreamer",
log_level=G_LOG_LEVEL_WARNING, format=0x7f98f2c6fa98 "Trying to set empty
string on %s field '%s'. Please file a bug.", args1=0x7f98e0196bc0) at
/build/buildd/glib2.0-2.20.1/glib/gmessages.c:506
#3  0x00007f98f1d6f4c3 in IA__g_log (log_domain=0x741a <Address 0x741a out of
bounds>, log_level=29732, format=0x6 <Address 0x6 out of bounds>) at
/build/buildd/glib2.0-2.20.1/glib/gmessages.c:526
#4  0x00007f98f2c2868a in gst_structure_set_field (structure=0x3f8ac40,
field=0x7f98e0196d30) at gststructure.c:667
#5  0x00007f98f2c27476 in gst_structure_id_set_value (structure=0x3f8ac40,
field=379, value=0x7f98e0196e70) at gststructure.c:447
#6  0x00007f98f2c30f6f in gst_tag_list_add_value_internal (list=0x3f8ac40,
mode=GST_TAG_MERGE_REPLACE, tag=379, value=0x7f98e0196e70) at gsttaglist.c:688
#7  0x00007f98f2c31bf9 in gst_tag_list_add_valist (list=0x3f8ac40,
mode=GST_TAG_MERGE_REPLACE, tag=0x7f98de43ef55 "encoder",
var_args=0x7f98e0196f00) at gsttaglist.c:920
#8  0x00007f98f2c314bb in gst_tag_list_add (list=0x3f8ac40,
mode=GST_TAG_MERGE_REPLACE, tag=0x7f98de43ef55 "encoder") at gsttaglist.c:849
#9  0x00007f98de4341f0 in vorbis_handle_comment_packet (vd=0x41740d0,
packet=0x7f98e01970e0) at vorbisdec.c:729
#10 0x00007f98de434998 in vorbis_handle_header_packet (vd=0x41740d0,
packet=0x7f98e01970e0) at vorbisdec.c:836
#11 0x00007f98de43718d in vorbis_dec_decode_buffer (vd=0x41740d0,
buffer=0x4138240) at vorbisdec.c:1186
#12 0x00007f98de438356 in vorbis_dec_chain_forward (vd=0x41740d0, discont=0,
buffer=0x4138240) at vorbisdec.c:1399
#13 0x00007f98de43847c in vorbis_dec_chain (pad=0x2fda670, buffer=0x4138240) at
vorbisdec.c:1431
#14 0x00007f98f2c0f894 in gst_pad_chain_data_unchecked (pad=0x2fda670,
is_buffer=1, data=0x4138240) at gstpad.c:4063
#15 0x00007f98f2c0f677 in gst_pad_chain (pad=0x2fda670, buffer=0x4138240) at
gstpad.c:4196
#16 0x00007f98df51836d in gst_ogg_demux_chain_elem_pad (pad=0x415e530,
packet=0x7f98e01974d0) at gstoggdemux.c:805
#17 0x00007f98df518d47 in gst_ogg_pad_submit_packet (pad=0x415e530,
packet=0x7f98e01974d0) at gstoggdemux.c:995
#18 0x00007f98df5197ce in gst_ogg_pad_stream_out (pad=0x415e530, npackets=0) at
gstoggdemux.c:1080
#19 0x00007f98df519a23 in gst_ogg_pad_submit_page (pad=0x415e530,
page=0x7f98e01977d0) at gstoggdemux.c:1152
#20 0x00007f98df520a5f in gst_ogg_demux_handle_page (ogg=0x415c150,
page=0x7f98e01977d0) at gstoggdemux.c:2901
#21 0x00007f98df520e14 in gst_ogg_demux_chain (pad=0x2fda070, buffer=0x301fe00)
at gstoggdemux.c:2946
#22 0x00007f98f2c0f894 in gst_pad_chain_data_unchecked (pad=0x2fda070,
is_buffer=1, data=0x301fe00) at gstpad.c:4063
#23 0x00007f98f2c1038c in gst_pad_push_data (pad=0x40a41e0, is_buffer=1,
data=0x301fe00) at gstpad.c:4293
#24 0x00007f98f2c108ad in gst_pad_push (pad=0x40a41e0, buffer=0x301fe00) at
gstpad.c:4398
#25 0x00007f98e813a6f5 in stop_typefinding (typefind=0x40a2000) at
gsttypefindelement.c:484
#26 0x00007f98e813b855 in gst_type_find_element_chain_do_typefinding
(typefind=0x40a2000) at gsttypefindelement.c:767
#27 0x00007f98e813b309 in gst_type_find_element_chain (pad=0x40a4060,
buffer=0x301fe00) at gsttypefindelement.c:704
#28 0x00007f98f2c0f894 in gst_pad_chain_data_unchecked (pad=0x40a4060,
is_buffer=1, data=0x301fe00) at gstpad.c:4063
#29 0x00007f98f2c1038c in gst_pad_push_data (pad=0x7f98e4002080, is_buffer=1,
data=0x301fe00) at gstpad.c:4293
#30 0x00007f98f2c108ad in gst_pad_push (pad=0x7f98e4002080, buffer=0x301fe00)
at gstpad.c:4398
#31 0x00007f98f2bf4c1b in gst_proxy_pad_do_chain (pad=0x40941c0,
buffer=0x301fe00) at gstghostpad.c:179
#32 0x00007f98f2c0f894 in gst_pad_chain_data_unchecked (pad=0x40941c0,
is_buffer=1, data=0x301fe00) at gstpad.c:4063
#33 0x00007f98f2c1038c in gst_pad_push_data (pad=0x40a4360, is_buffer=1,
data=0x301fe00) at gstpad.c:4293
#34 0x00007f98f2c108ad in gst_pad_push (pad=0x40a4360, buffer=0x301fe00) at
gstpad.c:4398
#35 0x00007f98f2ebdace in gst_base_src_loop (pad=0x40a4360) at
gstbasesrc.c:2290
#36 0x00007f98f2c35416 in gst_task_func (task=0x41362a0) at gsttask.c:234
#37 0x00007f98f2c365f3 in default_func (tdata=0x40eda60, pool=0x301f800) at
gsttaskpool.c:70
#38 0x00007f98f1d90047 in g_thread_pool_thread_proxy (data=<value optimized
out>) at /build/buildd/glib2.0-2.20.1/glib/gthreadpool.c:265
#39 0x00007f98f1d8eae4 in g_thread_create_proxy (data=0x7f98e402e9a0) at
/build/buildd/glib2.0-2.20.1/glib/gthread.c:635
#40 0x00007f98f0b3a3ba in start_thread () from /lib/libpthread.so.0
#41 0x00007f98f0110fcd in clone () from /lib/libc.so.6
#42 0x0000000000000000 in ?? ()

Should be an easy fix by just checking for the empty string around
vorbisdec.c:729

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