[gstreamer-bugs] [Bug 148332] - link renegotiation problem [regression]

[bugzilla-daemon at bugzilla.gnome.org]

http://bugzilla.gnome.org/show_bug.cgi?id=148332
GStreamer | gstreamer (core) | Ver: HEAD CVS





------- Additional Comments From t.i.m at zen.co.uk  2004-07-25 17:37 -------
Looks like this commit fixed the main problem: 
 
2004-07-25  Benjamin Otte  <otte at gnome.org> 
 
        * gst/autoplug/gstspideridentity.c: (gst_spider_identity_link): 
          don't delay links on the sink elements, it causes unnegotiated 
          links. 
        * gst/elements/gsttypefindelement.c: 
        (gst_type_find_element_base_init): 
          add our padtemplates, we indeed do have some. 
        * gst/elements/gsttypefindelement.c: 
        (gst_type_find_element_handle_event), 
        (gst_type_find_element_chain): 
          don't push data when typefinding failed. 
        * gst/gstpad.c: (gst_pad_link_fixate): 
          check that no fixate function returns empty caps. 
        * gst/gstpad.c: (gst_pad_push): 
          check that the link is negotiated before data gets pushed. 
        * tools/gst-register.c: (main): 
          don't assert (fixes #148283) 
 
 
I still get a 
 
  GStreamer-Warning **: pushing data on non-negotiated pad audioscale:src, not 
allowed 
 
when re-linking (stack trace below), but things seem to work again anyway.  
 
I don't have time to write a test case at the moment, sorry. Still moving home 
etc.  
 
Cheers 
 -Tim 
 
-------------- 
 
Stack trace from the above warning: 
 
Playing: foo.mp3 
 
GStreamer-WARNING **: pushing data on non-negotiated pad audioscale:src, not 
allowed. 
aborting... 
 
Program received signal SIGABRT, Aborted. 
[Switching to Thread 1102605232 (LWP 28642)] 
0x40853f19 in raise () from /lib/tls/libc.so.6 
(gdb) bt 
#0  0x40853f19 in raise () from /lib/tls/libc.so.6 
#1  0x40855771 in abort () from /lib/tls/libc.so.6 
#2  0x407b28c7 in g_logv () from /usr/lib/libglib-2.0.so.0 
#3  0x407b2904 in g_log () from /usr/lib/libglib-2.0.so.0 
#4  0x40519075 in gst_pad_push (pad=0x82ef960, data=0x80bb8ac) at 
gstpad.c:3185 
#5  0x41980608 in gst_audioscale_chain (pad=0x82ef558, _data=0x80bb8ac) at 
gstaudioscale.c:424 
#6  0x4051c274 in gst_pad_call_chain_function (pad=0x82ef558, data=0x80bb8ac) 
at gstpad.c:4398 
#7  0x40518e1d in gst_pad_push (pad=0x82edf10, data=0x80bb8ac) at 
gstpad.c:3213 
#8  0x419791fa in gst_audio_convert_chain (pad=0x82ed9e0, data=0x80bb33c) at 
gstaudioconvert.c:283 
#9  0x4051c274 in gst_pad_call_chain_function (pad=0x82ed9e0, data=0x80bb33c) 
at gstpad.c:4398 
#10 0x40518e1d in gst_pad_push (pad=0x82f08a0, data=0x80bb33c) at 
gstpad.c:3213 
#11 0x419727a5 in gst_spider_identity_chain (pad=0x5, buf=0x80bb33c) at 
gstspideridentity.c:222 
#12 0x4197367f in gst_spider_identity_dumb_loop (ident=0x8308e70) at 
gstspideridentity.c:446 
#13 0x40d195d6 in loop_group_schedule_function (argc=0, argv=0x8102ec0) at 
gstoptimalscheduler.c:1344 
#14 0x40d18eaf in schedule_group (group=0x8102ec0) at 
gstoptimalscheduler.c:1170 
#15 0x40d190fe in gst_opt_scheduler_schedule_run_queue (osched=0x82ef620) at 
gstoptimalscheduler.c:1217 
#16 0x40d1925a in schedule_chain (chain=0x82f02c0) at 
gstoptimalscheduler.c:1270 
#17 0x40d1d04f in gst_opt_scheduler_iterate (sched=0x82ef620) at 
gstoptimalscheduler.c:2603 
#18 0x40526969 in gst_scheduler_iterate (sched=0x82ef620) at 
gstscheduler.c:705 
#19 0x404f6078 in gst_bin_iterate_func (bin=0x82f0460) at gstbin.c:1152 
#20 0x4053e319 in gst_marshal_BOOLEAN__VOID (closure=0x80b1b58, 
return_value=0x41b86770, n_param_values=1, param_values=0x0, 
    invocation_hint=0x41b86798, marshal_data=0x404f5ff0) at gstmarshal.c:472 
#21 0x40608fb7 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0 
#22 0x40608c20 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 
#23 0x4061c685 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0 
#24 0x4061b9ee in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 
#25 0x4061bf14 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 
#26 0x404f626b in gst_bin_iterate (bin=0x82f0460) at gstbin.c:1205 
#27 0x40530cb3 in gst_thread_main_loop (arg=0x0) at gstthread.c:590 
#28 0x407c48dd in g_static_private_free () from /usr/lib/libglib-2.0.so.0 
#29 0x407799b4 in start_thread () from /lib/tls/libpthread.so.0 
#30 0x00000000 in ?? () 
(gdb) 
 

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