gstreamer caps negotiation fail when using USB sound card
Soho Soho123
soho123.2012 at gmail.com
Fri Aug 3 02:09:01 PDT 2012
hi Stefan,
Could you kindly give some hints about the nego fail issue?
the log below I summary the fail progress,
I was confused about "caps are notcompatible".
it obviously has got "wavparse_src" and "audioconvert sink" .
And I also trying to link wavparse0:src and audioconvert0:sink.
Why it get incompatible pads during negotiation?
I just set many "get pad caps", it is not clear about what happen in
negotiation progess.
========================================================
# gst-launch-0.10 --gst-debug-no-color --gst-debug-level=5 filesrc location=/var
/tmp/usb/sda1/audio_src/1503-9_48K.wav ! wavparse ! audioconvert ! audio/x-raw-i
nt, rate=48000,channels=2,width=16,endianness=1234 ! alsasink device="hw:0,0"
GST_PADS gstpad.c:1639:gst_pad_set_getcaps_function:<'':src>
getcapsfunc set to gst_pad_get_fixed_caps_func
GST_PADS gstpad.c:1452:gst_pad_set_query_type_function:<'':src>
querytypefunc set to gst_wavparse_get_query_types
GST_PADS gstpad.c:1433:gst_pad_set_query_function:<'':src> queryfunc
set to gst_wavparse_pad_query
GST_PADS gstpad.c:1415:gst_pad_set_event_function:<'':src> eventfunc
for set to gst_wavparse_srcpad_event
wavparse gstwavparse.c:281:gst_wavparse_create_sourcepad:<wavparse0>
srcpad created
GST_PADS gstpad.c:710:gst_pad_set_active:<'':src> activating pad from none
GST_PADS gstpad.c:910:gst_pad_activate_push:<'':src> trying to set
activated in push mode
GST_PADS gstpad.c:930:gst_pad_activate_push:<'':src> activating pad from none
GST_PADS gstpad.c:632:pre_activate:<'':src> setting ACTIVATE_MODE 1,
unset flushing
GST_PADS gstpad.c:966:gst_pad_activate_push:<'':src> activated in push mode
GST_CAPS gstpad.c:2741:gst_pad_set_caps:<'':src> caps 0x47c5c0 0x47c5c0
GST_ELEMENT_PADS gstelement.c:728:gst_element_add_pad:<wavparse0>
adding pad 'src'
GST_REFCOUNTING gstobject.c:844:gst_object_set_parent:<'':src> set
parent (ref and sink)
GST_PIPELINE ./grammar.y:496:gst_parse_found_pad: trying delayed
linking wavparse0:(NULL) to audioconvert0:(NULL)
GST_ELEMENT_PADS gstutils.c:1698:gst_element_link_pads_full: trying
to link element wavparse0:(any) to element audioconvert0:(any)
GST_ELEMENT_PADS gstutils.c:1787:gst_element_link_pads_full: looping
through allowed src and dest pads
GST_ELEMENT_PADS gstutils.c:1790:gst_element_link_pads_full: trying
src pad wavparse0:src
GST_ELEMENT_PADS gstutils.c:1101:gst_element_get_compatible_pad:
finding pad in audioconvert0 compatible with wavparse0:src
GST_ELEMENT_PADS gstutils.c:1130:gst_element_get_compatible_pad:
examining pad audioconvert0:sink
GST_PADS gstutils.c:1032:gst_pad_check_link: trying to link
wavparse0:src and audioconvert0:sink
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<wavparse0:src>
dispatching to pad getcaps function
GST_CAPS gstutils.c:2469:gst_pad_get_fixed_caps_func: using pad caps
0x47c5c0 0x47c5c0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<wavparse0:src> pad
getcaps returned 0x47c5c0
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<audioconvert0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<audioconvert0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<capsfilter0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<capsfilter0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<capsfilter0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<capsfilter0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<alsasink0:sink>
dispatching to pad getcaps function
alsa gstalsa.c:124:gst_alsa_detect_formats:<alsasink0> skipping non-int format
alsa gstalsa.c:124:gst_alsa_detect_formats:<alsasink0> skipping non-int format
alsa gstalsa.c:124:gst_alsa_detect_formats:<alsasink0> skipping non-int format
alsa gstalsa.c:124:gst_alsa_detect_formats:<alsasink0> skipping non-int format
alsa gstalsa.c:30:gst_alsa_detect_rates:<alsasink0> probing sample rates ...
alsa gstalsa.c:49:gst_alsa_detect_rates:<alsasink0> Min. rate = 48000 (48000)
alsa gstalsa.c:50:gst_alsa_detect_rates:<alsasink0> Max. rate = 48000 (48000)
alsa gstalsa.c:265:gst_alsa_detect_channels:<alsasink0> probing channels ...
alsa gstalsa.c:309:gst_alsa_detect_channels:<alsasink0> Min. channels = 2 (2)
alsa gstalsa.c:310:gst_alsa_detect_channels:<alsasink0> Max. channels = 2 (2)
alsa gstalsa.c:389:gst_alsa_open_iec958_pcm:<alsasink0> Generated
device string "hw:0,0:{AES0 0x02 AES1 0x82 AES2 0x00 AES3 0x02}"
alsa conf.c:4604:parse_args: alsalib error: Parameter DEV must be an integer
alsa conf.c:4709:snd_config_expand: alsalib error: Parse arguments
error: Invalid argument
alsa pcm.c:2217:snd_pcm_open_noupdate: alsalib error: Unknown PCM
hw:0,0:{AES0 0x02 AES1 0x82 AES2 0x00 AES3 0x02}
alsa gstalsa.c:395:gst_alsa_open_iec958_pcm:<alsasink0> failed
opening IEC958 device: Invalid argument
alsa gstalsasink.c:341:gst_alsasink_getcaps:<alsasink0> returning
caps 0x49cee0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<alsasink0:sink>
pad getcaps returned 0x49cee0
basetransform
gstbasetransform.c:736:gst_base_transform_getcaps:<capsfilter0:sink>
peer caps 0x49cee0
basetransform
gstbasetransform.c:740:gst_base_transform_getcaps:<capsfilter0:sink>
our template 0x47da40
basetransform
gstbasetransform.c:742:gst_base_transform_getcaps:<capsfilter0:sink>
intersected 0x49ce80
basetransform
gstbasetransform.c:552:gst_base_transform_transform_caps:<capsfilter0>
transform caps (direction = 1)
basetransform
gstbasetransform.c:583:gst_base_transform_transform_caps:<capsfilter0>
merged: (0)
basetransform
gstbasetransform.c:597:gst_base_transform_transform_caps:<capsfilter0>
to: (0) 0x49ce40
basetransform
gstbasetransform.c:752:gst_base_transform_getcaps:<capsfilter0:sink>
transformed 0x49ce40
basetransform
gstbasetransform.c:759:gst_base_transform_getcaps:<capsfilter0:sink>
our template 0x47d960
basetransform
gstbasetransform.c:762:gst_base_transform_getcaps:<capsfilter0:sink>
intersected 0x49cdc0
basetransform
gstbasetransform.c:778:gst_base_transform_getcaps:<capsfilter0>
returning 0x49cdc0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<capsfilter0:sink>
pad getcaps returned 0x49cdc0
basetransform
gstbasetransform.c:736:gst_base_transform_getcaps:<audioconvert0:sink>
peer caps 0x49cdc0
basetransform
gstbasetransform.c:740:gst_base_transform_getcaps:<audioconvert0:sink>
our template 0x46c4e0
basetransform
gstbasetransform.c:742:gst_base_transform_getcaps:<audioconvert0:sink>
intersected 0x49cd20
basetransform
gstbasetransform.c:552:gst_base_transform_transform_caps:<audioconvert0>
transform caps (direction = 1)
basetransform
gstbasetransform.c:583:gst_base_transform_transform_caps:<audioconvert0>
merged: (0)
basetransform
gstbasetransform.c:597:gst_base_transform_transform_caps:<audioconvert0>
to: (0) 0x49cce0
basetransform
gstbasetransform.c:752:gst_base_transform_getcaps:<audioconvert0:sink>
transformed 0x49cce0
basetransform
gstbasetransform.c:759:gst_base_transform_getcaps:<audioconvert0:sink>
our template 0x455300
basetransform
gstbasetransform.c:762:gst_base_transform_getcaps:<audioconvert0:sink>
intersected 0x49cbc0
basetransform
gstbasetransform.c:778:gst_base_transform_getcaps:<audioconvert0>
returning 0x49cbc0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<audioconvert0:sink>
pad getcaps returned 0x49cbc0
GST_ELEMENT_PADS gstutils.c:1167:gst_element_get_compatible_pad:
incompatible pads
GST_ELEMENT_PADS gstutils.c:1173:gst_element_get_compatible_pad:
unreffing pads
GST_ELEMENT_PADS
gstutils.c:1195:gst_element_get_compatible_pad:<audioconvert0> Could
not find a compatible unlinked always pad to link to wavparse0:src,
now checking request pads
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<wavparse0:src>
dispatching to pad getcaps function
GST_CAPS gstutils.c:2469:gst_pad_get_fixed_caps_func: using pad caps
0x47c5c0 0x47c5c0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<wavparse0:src> pad
getcaps returned 0x47c5c0
GST_ELEMENT_PADS
gstutils.c:894:gst_element_get_compatible_pad_template: Looking for a
suitable pad template in audioconvert0 out of 2 templates...
GST_CAPS gstutils.c:905:gst_element_get_compatible_pad_template:
checking pad template src
GST_CAPS gstutils.c:905:gst_element_get_compatible_pad_template:
checking pad template sink
GST_CAPS gstutils.c:910:gst_element_get_compatible_pad_template:
compatible direction: found sink pad template "sink"
GST_CAPS gstutils.c:913:gst_element_get_compatible_pad_template:
intersecting 0x49cc00
GST_CAPS gstutils.c:915:gst_element_get_compatible_pad_template: ..and 0x455300
GST_CAPS gstutils.c:921:gst_element_get_compatible_pad_template: caps
are compatible
GST_ELEMENT_PADS
gstutils.c:933:gst_element_get_compatible_pad_template: Returning new
pad template 0x465188
GST_ELEMENT_PADS gstelement.c:975:gst_element_get_static_pad: found
pad audioconvert0:sink
GST_ELEMENT_PADS gstutils.c:1210:gst_element_get_compatible_pad:
found existing request pad audioconvert0:sink
GST_PADS gstutils.c:1596:prepare_link_maybe_ghosting: wavparse0 and
audioconvert0 in same bin, no need for ghost pads
GST_MESSAGE gstmessage.c:185:gst_message_init: new message 0x465740
GST_MESSAGE gstmessage.c:274:gst_message_new_custom: source sink:
creating new message 0x465740 structure-change
GST_BUS gstbus.c:308:gst_bus_post:<bus0> [msg 0x465740] posting on
bus, type structure-change, 0x49c278 from source 0x4681a0
bin gstbin.c:3225:gst_bin_handle_message_func:<pipeline0> [msg
0x465740] handling child sink message of type structure-change
bin gstbin.c:883:message_check: looking at message 0x465470: 0
bin gstbin.c:905:find_message:<pipeline0> no message found matching
types 00001000
bin gstbin.c:912:find_message:<pipeline0> structure-change
bin gstbin.c:952:bin_replace_message:<pipeline0> got new message
0x465740, structure-change from sink
GST_BUS gstbus.c:334:gst_bus_post:<bus0> [msg 0x465740] dropped
GST_PADS gstpad.c:1978:gst_pad_link_prepare: trying to link
wavparse0:src and audioconvert0:sink
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<wavparse0:src>
dispatching to pad getcaps function
GST_CAPS gstutils.c:2469:gst_pad_get_fixed_caps_func: using pad caps
0x47c5c0 0x47c5c0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<wavparse0:src> pad
getcaps returned 0x47c5c0
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<audioconvert0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<audioconvert0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<capsfilter0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<capsfilter0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<capsfilter0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<capsfilter0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<alsasink0:sink>
dispatching to pad getcaps function
alsa gstalsasink.c:326:gst_alsasink_getcaps:<alsasink0> Returning cached caps
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<alsasink0:sink>
pad getcaps returned 0x49cee0
basetransform
gstbasetransform.c:729:gst_base_transform_getcaps:<capsfilter0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<capsfilter0:sink>
pad getcaps returned 0x49cdc0
basetransform
gstbasetransform.c:729:gst_base_transform_getcaps:<audioconvert0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<audioconvert0:sink>
pad getcaps returned 0x49cbc0
GST_CAPS gstpad.c:1878:gst_pad_link_check_compatible_unlocked:<wavparse0:src>
src caps 0x47c5c0
GST_CAPS gstpad.c:1880:gst_pad_link_check_compatible_unlocked:<audioconvert0:sink>
sink caps 0x49cbc0
GST_CAPS gstpad.c:1898:gst_pad_link_check_compatible_unlocked: caps
are notcompatible
GST_PADS gstpad.c:2034:gst_pad_link_prepare: caps are incompatible
GST_MESSAGE gstmessage.c:185:gst_message_init: new message 0x465788
GST_MESSAGE gstmessage.c:274:gst_message_new_custom: source sink:
creating new message 0x465788 structure-change
GST_BUS gstbus.c:308:gst_bus_post:<bus0> [msg 0x465788] posting on
bus, type structure-change, 0x49c290 from source 0x4681a0
bin gstbin.c:3225:gst_bin_handle_message_func:<pipeline0> [msg
0x465788] handling child sink message of type structure-change
bin gstbin.c:883:message_check: looking at message 0x465740: 1
bin gstbin.c:980:bin_remove_messages:<audioconvert0:sink> deleting
message 0x465740 of types 0x00001000
GST_MESSAGE gstmessage.c:195:gst_message_finalize: finalize message
0x465740, structure-change from sink
bin gstbin.c:883:message_check: looking at message 0x465470: 0
bin gstbin.c:986:bin_remove_messages:<alsasink0> not deleting
message 0x465470 of type 0x00100000
GST_MESSAGE gstmessage.c:195:gst_message_finalize: finalize message
0x465788, structure-change from sink
GST_BUS gstbus.c:334:gst_bus_post:<bus0> [msg 0x465788] dropped
GST_ELEMENT_PADS gstutils.c:1790:gst_element_link_pads_full: trying
src pad wavparse0:sink
GST_ELEMENT_PADS gstutils.c:1842:gst_element_link_pads_full: trying
dest pad audioconvert0:src
GST_ELEMENT_PADS gstutils.c:1842:gst_element_link_pads_full: trying
dest pad audioconvert0:sink
GST_ELEMENT_PADS gstutils.c:1101:gst_element_get_compatible_pad:
finding pad in wavparse0 compatible with audioconvert0:sink
ST_ELEMENT_PADS gstutils.c:1130:gst_element_get_compatible_pad:
examining pad wavparse0:src
GST_PADS gstutils.c:1032:gst_pad_check_link: trying to link
wavparse0:src and audioconvert0:sink
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<audioconvert0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<audioconvert0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<capsfilter0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<capsfilter0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<capsfilter0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<capsfilter0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<alsasink0:sink>
dispatching to pad getcaps function
alsa gstalsasink.c:326:gst_alsasink_getcaps:<alsasink0> Returning cached caps
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<alsasink0:sink> pad
getcaps returned 0x49cee0
basetransform gstbasetransform.c:729:gst_base_transform_getcaps:<capsfilter0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<capsfilter0:sink>
pad getcaps returned 0x49cdc0
basetransform gstbasetransform.c:729:gst_base_transform_getcaps:<audioconvert0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<audioconvert0:sink>
pad getcaps returned 0x49cbc0
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<wavparse0:src> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<wavparse0:src>
dispatching to pad getcaps function
GST_CAPS gstutils.c:2469:gst_pad_get_fixed_caps_func: using pad caps
0x47c5c0 0x47c5c0
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<wavparse0:src> pad
getcaps returned 0x47c5c0
GST_ELEMENT_PADS gstutils.c:1167:gst_element_get_compatible_pad:
incompatible pads
GST_ELEMENT_PADS gstutils.c:1173:gst_element_get_compatible_pad: unreffing pads
GST_ELEMENT_PADS
gstutils.c:1195:gst_element_get_compatible_pad:<wavparse0> Could not
find a compatible unlinked always pad to link to audioconvert0:sink,
now checking request pads
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<audioconvert0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<audioconvert0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<audioconvert0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<capsfilter0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<capsfilter0:sink>
get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<capsfilter0:sink>
dispatching to pad getcaps function
GST_CAPS gstpad.c:2396:gst_pad_peer_get_caps_reffed:<capsfilter0:src>
get peer caps
GST_CAPS gstpad.c:2336:gst_pad_get_caps_reffed:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2246:gst_pad_get_caps_unlocked:<alsasink0:sink> get pad caps
GST_CAPS gstpad.c:2250:gst_pad_get_caps_unlocked:<alsasink0:sink>
dispatching to pad getcaps function
alsa gstalsasink.c:326:gst_alsasink_getcaps:<alsasink0> Returning cached caps
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<alsasink0:sink> pad
getcaps returned 0x49cee0
basetransform gstbasetransform.c:729:gst_base_transform_getcaps:<capsfilter0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<capsfilter0:sink>
pad getcaps returned 0x49cdc0
basetransform gstbasetransform.c:729:gst_base_transform_getcaps:<audioconvert0>
Returning cached transformed caps (index = 1)
GST_CAPS gstpad.c:2263:gst_pad_get_caps_unlocked:<audioconvert0:sink>
pad getcaps returned 0x49cbc0
GST_ELEMENT_PADS
gstutils.c:894:gst_element_get_compatible_pad_template: Looking for a
suitable pad template in wavparse0 out of 2 templates...
GST_CAPS gstutils.c:905:gst_element_get_compatible_pad_template:
checking pad template wavparse_sink
GST_CAPS gstutils.c:905:gst_element_get_compatible_pad_template:
checking pad template wavparse_src
GST_CAPS gstutils.c:910:gst_element_get_compatible_pad_template:
compatible direction: found src pad template "wavparse_src"
GST_CAPS gstutils.c:913:gst_element_get_compatible_pad_template:
intersecting 0x49ce40
GST_CAPS gstutils.c:915:gst_element_get_compatible_pad_template: ..and 0x455120
GST_CAPS gstutils.c:921:gst_element_get_compatible_pad_template: caps
are not compatible
GST_ELEMENT_PADS
gstutils.c:935:gst_element_get_compatible_pad_template: No compatible
pad template found
GST_ELEMENT_PADS
gstutils.c:1216:gst_element_get_compatible_pad:<wavparse0> Could not
find a compatible pad to link to audioconvert0:sink
GST_ELEMENT_PADS gstutils.c:1884:gst_element_link_pads_full: we might
have request pads on both sides, checking...
GST_ELEMENT_PADS gstutils.c:1927:gst_element_link_pads_full: no link
possible from wavparse0 to audioconvert0
default gstutils.c:2037:gst_element_link_pads_filtered: Could not
link pads: wavparse0:(null) - audioconvert0:(null)
=========================================================
2012/8/2 Stefan Sauer <ensonic at hora-obscura.de>:
> On 07/31/2012 02:03 PM, Soho Soho123 wrote:
>> hi all,
>>
>> When I try to play wav audio to usb sound card,
>> it is fail,
>> the command I used :
>> gst-launch-0.10 -v filesrc location=/bin/audio_src_48k_le.wav !
>> wavparse ! audioconvert !audio/x-raw-int,
>> rate=48000,channels=2,width=16,endianness=4321 ! alsasink
>> device="hw:0,0"
>>
>> the error is :
>> streaming task paused, reason not-linked (-1)
>> Below is the log I captured from debug level 5,
>> does anyone have idea how to fix the issue?
> The log is unreadable in this form. Figure out what part did not got
> linked and fix it:
> GST_DEBUG_DUMP_DOT_DIR=$PWD gst-launch ....
> convert the generated dot files: dot -Tpng xxx.dot -ograph.png
>
> My guess is hat alsasink refuses the format you secify in the caps filter.
>
> Stefan
>> ==================================================================================
>>
>> 0:32:12.150000000 1142 0x4234f0 LOG default
>> gsttypefindhelper.c:550:gst_type_find_help
>> er_for_buffer:<wavparse0> Returning 0x4980e0 (probability = 86)
>> 0:32:12.150000000 1142 0x4234f0 LOG wavparse
>> gstwavparse.c:1783:gst_wavparse_add_src_pa
>> d: typefind caps = 0x4980e0, P=86
>> 0:32:12.150000000 1142 0x4234f0 DEBUG wavparse
>> gstwavparse.c:1793:gst_wavparse_add_src_pa
>> d:<wavparse0> found caps 0x4980e0 for stream marked as raw PCM audio,
>> but ignoring for now
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:1639:gst_pad_set_getcaps_function
>> :<'':src> getcapsfunc set to gst_pad_get_fixed_caps_func
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:1452:gst_pad_set_query_type_funct
>> ion:<'':src> querytypefunc set to gst_wavparse_get_query_types
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:1433:gst_pad_set_query_function:<
>> '':src> queryfunc set to gst_wavparse_pad_query
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:1415:gst_pad_set_event_function:<
>> '':src> eventfunc for set to gst_wavparse_srcpad_event
>> 0:32:12.150000000 1142 0x4234f0 DEBUG wavparse
>> gstwavparse.c:247:gst_wavparse_create_sour
>> cepad:<wavparse0> srcpad created
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:710:gst_pad_set_active:<'':src> a
>> ctivating pad from none
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:910:gst_pad_activate_push:<'':src
>>> trying to set activated in push mode
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:930:gst_pad_activate_push:<'':src
>>> activating pad from none
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:632:pre_activate:<'':src> setting
>> ACTIVATE_MODE 1, unset flushing
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:966:gst_pad_activate_push:<'':src
>>> activated in push mode
>> 0:32:12.150000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2741:gst_pad_set_caps:<'':src> ca
>> ps 0x47a080 0x47a080
>> 0:32:13.260000000 1142 0x4234f0 INFO GST_ELEMENT_PADS
>> gstelement.c:728:gst_element_add_pad:<wavp
>> arse0> adding pad 'src'
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_REFCOUNTING
>> gstobject.c:844:gst_object_set_parent:<'':
>> src> set parent (ref and sink)
>> 0:32:13.260000000 1142 0x4234f0 INFO GST_PIPELINE
>> ./grammar.y:496:gst_parse_found_pad: tryin
>> g delayed linking wavparse0:(NULL) to audioconvert0:(NULL)
>> 0:32:13.260000000 1142 0x4234f0 INFO GST_ELEMENT_PADS
>> gstutils.c:1698:gst_element_link_pads_full
>> : trying to link element wavparse0:(any) to element audioconvert0:(any)
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1787:gst_element_link_pads_full
>> : looping through allowed src and dest pads
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1790:gst_element_link_pads_full
>> : trying src pad wavparse0:src
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1101:gst_element_get_compatible
>> _pad: finding pad in audioconvert0 compatible with wavparse0:src
>> 0:32:13.260000000 1142 0x4234f0 LOG GST_ELEMENT_PADS
>> gstutils.c:1130:gst_element_get_compatible
>> _pad: examining pad audioconvert0:sink
>> 0:32:13.260000000 1142 0x4234f0 INFO GST_PADS
>> gstutils.c:1032:gst_pad_check_link: trying
>> to link wavparse0:src and audioconvert0:sink
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<wav
>> parse0:src> get pad caps
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<w
>> avparse0:src> get pad caps
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<w
>> avparse0:src> dispatching to pad getcaps function
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:2469:gst_pad_get_fixed_caps_fun
>> c: using pad caps 0x47a080 0x47a080
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<w
>> avparse0:src> pad getcaps returned 0x47a080
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<aud
>> ioconvert0:sink> get pad caps
>> 0:32:13.260000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> get pad caps
>> 0:32:13.270000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> dispatching to pad getcaps function
>> 0:32:13.270000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2396:gst_pad_peer_get_caps_reffed
>> :<audioconvert0:src> get peer caps
>> 0:32:13.270000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<als
>> asink0:sink> get pad caps
>> 0:32:13.270000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> get pad caps
>> 0:32:14.370000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> dispatching to pad getcaps function
>> 0:32:14.370000000 1142 0x4234f0 WARN alsa
>> gstalsa.c:124:gst_alsa_detect_formats:<als
>> asink0> skipping non-int format
>> 0:32:14.370000000 1142 0x4234f0 LOG alsa
>> gstalsa.c:30:gst_alsa_detect_rates:<alsasi
>> nk0> probing sample rates ...
>> 0:32:14.370000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:49:gst_alsa_detect_rates:<alsasi
>> nk0> Min. rate = 48000 (48000)
>> 0:32:14.370000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:50:gst_alsa_detect_rates:<alsasi
>> nk0> Max. rate = 48000 (48000)
>> 0:32:14.370000000 1142 0x4234f0 LOG alsa
>> gstalsa.c:265:gst_alsa_detect_channels:<al
>> sasink0> probing channels ...
>> 0:32:14.380000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:309:gst_alsa_detect_channels:<al
>> sasink0> Min. channels = 2 (2)
>> 0:32:14.380000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:310:gst_alsa_detect_channels:<al
>> sasink0> Max. channels = 2 (2)
>> 0:32:14.380000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:388:gst_alsa_open_iec958_pcm:<al
>> sasink0> Generated device string "iec958:{AES0 0x02 AES1 0x82 AES2
>> 0x00 AES3 0x02}"
>> conf.c:snd_config_update_r:3661, configs=/usr/share/alsa/alsa.conf
>> conf.c:snd_config_update_r:3686, name=/usr/share/alsa/alsa.conf
>> conf.c:snd_config_update_r:3700, lf->name=/usr/share/alsa/alsa.conf
>> conf.c:snd_config_update_r:3661, configs=/usr/share/alsa/alsa.conf
>> conf.c:snd_config_update_r:3686, name=/usr/share/alsa/alsa.conf
>> conf.c:snd_config_update_r:3700, lf->name=/usr/share/alsa/alsa.conf
>> 0:32:14.390000000 1142 0x4234f0 WARN alsa
>> conf.c:4692:snd_config_expand: alsalib err
>> or: Unknown parameters {AES0 0x02 AES1 0x82 AES2 0x00 AES3 0x02}
>> 0:32:14.390000000 1142 0x4234f0 WARN alsa
>> pcm.c:2217:snd_pcm_open_noupdate: alsalib
>> error: Unknown PCM iec958:{AES0 0x02 AES1 0x82 AES2 0x00 AES3 0x02}
>> 0:32:14.390000000 1142 0x4234f0 DEBUG alsa
>> gstalsa.c:394:gst_alsa_open_iec958_pcm:<al
>> sasink0> failed opening IEC958 device: Invalid argument
>> 0:32:14.390000000 1142 0x4234f0 INFO alsa
>> gstalsasink.c:327:gst_alsasink_getcaps:<al
>> sasink0> returning caps 0x498f60
>> 0:32:14.390000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> pad getcaps returned 0x498f60
>> 0:32:14.390000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:736:gst_base_transform_
>> getcaps:<audioconvert0:sink> peer caps 0x498f60
>> 0:32:14.390000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:740:gst_base_transform_
>> getcaps:<audioconvert0:sink> our template 0x46b120
>> 0:32:14.390000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:742:gst_base_transform_
>> getcaps:<audioconvert0:sink> intersected 0x498f00
>> 0:32:14.390000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:552:gst_base_transform_
>> transform_caps:<audioconvert0> transform caps (direction = 1)
>> 0:32:14.390000000 1142 0x4234f0 LOG basetransform
>> gstbasetransform.c:583:gst_base_transform_
>> transform_caps:<audioconvert0> merged: (0)
>> 0:32:15.500000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:597:gst_base_transform_
>> transform_caps:<audioconvert0> to: (0) 0x498ec0
>> 0:32:15.500000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:752:gst_base_transform_
>> getcaps:<audioconvert0:sink> transformed 0x498ec0
>> 0:32:15.500000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:759:gst_base_transform_
>> getcaps:<audioconvert0:sink> our template 0x451940
>> 0:32:15.500000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:762:gst_base_transform_
>> getcaps:<audioconvert0:sink> intersected 0x498e60
>> 0:32:15.500000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:778:gst_base_transform_
>> getcaps:<audioconvert0> returning 0x498e60
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> pad getcaps returned 0x498e60
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1167:gst_element_get_compatible
>> _pad: incompatible pads
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1173:gst_element_get_compatible
>> _pad: unreffing pads
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1195:gst_element_get_compatible
>> _pad:<audioconvert0> Could not find a compatible unlinked always pad
>> to link to wavparse0:src, now checkin
>> g request pads
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<wav
>> parse0:src> get pad caps
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<w
>> avparse0:src> get pad caps
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<w
>> avparse0:src> dispatching to pad getcaps function
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:2469:gst_pad_get_fixed_caps_fun
>> c: using pad caps 0x47a080 0x47a080
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<w
>> avparse0:src> pad getcaps returned 0x47a080
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:894:gst_element_get_compatible_
>> pad_template: Looking for a suitable pad template in audioconvert0 out
>> of 2 templates...
>> 0:32:15.500000000 1142 0x4234f0 LOG GST_CAPS
>> gstutils.c:905:gst_element_get_compatible_
>> pad_template: checking pad template src
>> 0:32:15.500000000 1142 0x4234f0 LOG GST_CAPS
>> gstutils.c:905:gst_element_get_compatible_
>> pad_template: checking pad template sink
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:910:gst_element_get_compatible_
>> pad_template: compatible direction: found sink pad template "sink"
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:913:gst_element_get_compatible_
>> pad_template: intersecting 0x4981a0
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:915:gst_element_get_compatible_
>> pad_template: ..and 0x451940
>> 0:32:15.500000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:921:gst_element_get_compatible_
>> pad_template: caps are compatible
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:933:gst_element_get_compatible_
>> pad_template: Returning new pad template 0x464570
>> 0:32:16.610000000 1142 0x4234f0 INFO GST_ELEMENT_PADS
>> gstelement.c:975:gst_element_get_static_pa
>> d: found pad audioconvert0:sink
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1210:gst_element_get_compatible
>> _pad: found existing request pad audioconvert0:sink
>> 0:32:16.610000000 1142 0x4234f0 INFO GST_PADS
>> gstutils.c:1596:prepare_link_maybe_ghostin
>> g: wavparse0 and audioconvert0 in same bin, no need for ghost pads
>> 0:32:16.610000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:185:gst_message_init: new mes
>> sage 0x464b28
>> 0:32:16.610000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:274:gst_message_new_custom: s
>> ource sink: creating new message 0x464b28 structure-change
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus0> [msg 0x46
>> 4b28] posting on bus, type structure-change, 0x499250 from source 0x465190
>> 0:32:16.610000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3164:gst_bin_handle_message_func:
>> <pipeline0> [msg 0x464b28] handling child sink message of type structure-change
>> 0:32:16.610000000 1142 0x4234f0 LOG bin
>> gstbin.c:883:message_check: looking at mes
>> sage 0x4649c0: 0
>> 0:32:16.610000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:905:find_message:<pipeline0> no m
>> essage found matching types 00001000
>> 0:32:16.610000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:912:find_message:<pipeline0> st
>> ructure-change
>> 0:32:16.610000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:952:bin_replace_message:<pipeline
>> 0> got new message 0x464b28, structure-change from sink
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:334:gst_bus_post:<bus0> [msg 0x46
>> 4b28] dropped
>> 0:32:16.610000000 1142 0x4234f0 INFO GST_PADS
>> gstpad.c:1978:gst_pad_link_prepare: trying
>> to link wavparse0:src and audioconvert0:sink
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<w
>> avparse0:src> get pad caps
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<w
>> avparse0:src> dispatching to pad getcaps function
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:2469:gst_pad_get_fixed_caps_fun
>> c: using pad caps 0x47a080 0x47a080
>> 0:32:16.610000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<w
>> avparse0:src> pad getcaps returned 0x47a080
>> 0:32:16.620000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> get pad caps
>> 0:32:16.620000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> dispatching to pad getcaps function
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2396:gst_pad_peer_get_caps_reffed
>> :<audioconvert0:src> get peer caps
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<als
>> asink0:sink> get pad caps
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> get pad caps
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> dispatching to pad getcaps function
>> 0:32:17.720000000 1142 0x4234f0 LOG alsa
>> gstalsasink.c:312:gst_alsasink_getcaps:<al
>> sasink0> Returning cached caps
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> pad getcaps returned 0x498f60
>> 0:32:17.720000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:729:gst_base_transform_
>> getcaps:<audioconvert0> Returning cached transformed caps (index = 1)
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> pad getcaps returned 0x498e60
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:1878:gst_pad_link_check_compatibl
>> e_unlocked:<wavparse0:src> src caps 0x47a080
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:1880:gst_pad_link_check_compatibl
>> e_unlocked:<audioconvert0:sink> sink caps 0x498e60
>> 0:32:17.720000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:1898:gst_pad_link_check_compatibl
>> e_unlocked: caps are notcompatible
>> 0:32:17.720000000 1142 0x4234f0 INFO GST_PADS
>> gstpad.c:2034:gst_pad_link_prepare: caps a
>> re incompatible
>> 0:32:17.730000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:185:gst_message_init: new mes
>> sage 0x464b70
>> 0:32:17.730000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:274:gst_message_new_custom: s
>> ource sink: creating new message 0x464b70 structure-change
>> 0:32:17.730000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus0> [msg 0x46
>> 4b70] posting on bus, type structure-change, 0x499268 from source 0x465190
>> 0:32:17.730000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3164:gst_bin_handle_message_func:
>> <pipeline0> [msg 0x464b70] handling child sink message of type structure-change
>> 0:32:17.730000000 1142 0x4234f0 LOG bin
>> gstbin.c:883:message_check: looking at mes
>> sage 0x464b28: 1
>> 0:32:17.730000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:980:bin_remove_messages:<audiocon
>> vert0:sink> deleting message 0x464b28 of types 0x00001000
>> 0:32:17.730000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:195:gst_message_finalize: fin
>> alize message 0x464b28, structure-change from sink
>> 0:32:17.730000000 1142 0x4234f0 LOG bin
>> gstbin.c:883:message_check: looking at mes
>> sage 0x4649c0: 0
>> 0:32:17.730000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:986:bin_remove_messages:<alsasink
>> 0> not deleting message 0x4649c0 of type 0x00100000
>> 0:32:18.830000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:195:gst_message_finalize: fin
>> alize message 0x464b70, structure-change from sink
>> 0:32:18.830000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:334:gst_bus_post:<bus0> [msg 0x46
>> 4b70] dropped
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1790:gst_element_link_pads_full
>> : trying src pad wavparse0:sink
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1842:gst_element_link_pads_full
>> : trying dest pad audioconvert0:src
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1842:gst_element_link_pads_full
>> : trying dest pad audioconvert0:sink
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1101:gst_element_get_compatible
>> _pad: finding pad in wavparse0 compatible with audioconvert0:sink
>> 0:32:18.840000000 1142 0x4234f0 LOG GST_ELEMENT_PADS
>> gstutils.c:1130:gst_element_get_compatible
>> _pad: examining pad wavparse0:src
>> 0:32:18.840000000 1142 0x4234f0 INFO GST_PADS
>> gstutils.c:1032:gst_pad_check_link: trying
>> to link wavparse0:src and audioconvert0:sink
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<aud
>> ioconvert0:sink> get pad caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> get pad caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> dispatching to pad getcaps function
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2396:gst_pad_peer_get_caps_reffed
>> :<audioconvert0:src> get peer caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<als
>> asink0:sink> get pad caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> get pad caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> dispatching to pad getcaps function
>> 0:32:18.840000000 1142 0x4234f0 LOG alsa
>> gstalsasink.c:312:gst_alsasink_getcaps:<al
>> sasink0> Returning cached caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> pad getcaps returned 0x498f60
>> 0:32:18.840000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:729:gst_base_transform_
>> getcaps:<audioconvert0> Returning cached transformed caps (index = 1)
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> pad getcaps returned 0x498e60
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<wav
>> parse0:src> get pad caps
>> 0:32:18.840000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<w
>> avparse0:src> get pad caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<w
>> avparse0:src> dispatching to pad getcaps function
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:2469:gst_pad_get_fixed_caps_fun
>> c: using pad caps 0x47a080 0x47a080
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<w
>> avparse0:src> pad getcaps returned 0x47a080
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1167:gst_element_get_compatible
>> _pad: incompatible pads
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1173:gst_element_get_compatible
>> _pad: unreffing pads
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1195:gst_element_get_compatible
>> _pad:<wavparse0> Could not find a compatible unlinked always pad to
>> link to audioconvert0:sink, now checki
>> ng request pads
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<aud
>> ioconvert0:sink> get pad caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> get pad caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> dispatching to pad getcaps function
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2396:gst_pad_peer_get_caps_reffed
>> :<audioconvert0:src> get peer caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2336:gst_pad_get_caps_reffed:<als
>> asink0:sink> get pad caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2246:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> get pad caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2250:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> dispatching to pad getcaps function
>> 0:32:19.950000000 1142 0x4234f0 LOG alsa
>> gstalsasink.c:312:gst_alsasink_getcaps:<al
>> sasink0> Returning cached caps
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> lsasink0:sink> pad getcaps returned 0x498f60
>> 0:32:19.950000000 1142 0x4234f0 DEBUG basetransform
>> gstbasetransform.c:729:gst_base_transform_
>> getcaps:<audioconvert0> Returning cached transformed caps (index = 1)
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstpad.c:2263:gst_pad_get_caps_unlocked:<a
>> udioconvert0:sink> pad getcaps returned 0x498e60
>> 0:32:19.950000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:894:gst_element_get_compatible_
>> pad_template: Looking for a suitable pad template in wavparse0 out of
>> 2 templates...
>> 0:32:19.950000000 1142 0x4234f0 LOG GST_CAPS
>> gstutils.c:905:gst_element_get_compatible_
>> pad_template: checking pad template wavparse_sink
>> 0:32:19.950000000 1142 0x4234f0 LOG GST_CAPS
>> gstutils.c:905:gst_element_get_compatible_
>> pad_template: checking pad template wavparse_src
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:910:gst_element_get_compatible_
>> pad_template: compatible direction: found src pad template "wavparse_src"
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:913:gst_element_get_compatible_
>> pad_template: intersecting 0x4980a0
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:915:gst_element_get_compatible_
>> pad_template: ..and 0x451880
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_CAPS
>> gstutils.c:921:gst_element_get_compatible_
>> pad_template: caps are not compatible
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:935:gst_element_get_compatible_
>> pad_template: No compatible pad template found
>> 0:32:21.060000000 1142 0x4234f0 INFO GST_ELEMENT_PADS
>> gstutils.c:1216:gst_element_get_compatible
>> _pad:<wavparse0> Could not find a compatible pad to link to audioconvert0:sink
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1884:gst_element_link_pads_full
>> : we might have request pads on both sides, checking...
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_ELEMENT_PADS
>> gstutils.c:1927:gst_element_link_pads_full
>> : no link possible from wavparse0 to audioconvert0
>> 0:32:21.060000000 1142 0x4234f0 INFO default
>> gstutils.c:2037:gst_element_link_pads_filt
>> ered: Could not link pads: wavparse0:(null) - audioconvert0:(null)
>> 0:32:21.060000000 1142 0x4234f0 DEBUG wavparse
>> gstwavparse.c:1814:gst_wavparse_add_src_pa
>> d:<wavparse0> Send start segment event on newpad
>> 0:32:21.060000000 1142 0x4234f0 LOG GST_PADS
>> gstpad.c:5214:gst_pad_push_event:<wavparse
>> 0:src> event: newsegment
>> 0:32:21.060000000 1142 0x4234f0 LOG GST_PADS
>> gstpad.c:5255:gst_pad_push_event:<wavparse
>> 0:src> event had no source, setting pad as event source
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:5295:gst_pad_push_event:<wavparse
>> 0:src> Dropping event because pad is not linked
>> 0:32:21.060000000 1142 0x4234f0 LOG GST_EVENT
>> gstevent.c:225:gst_event_finalize: freeing
>> event 0x41b128 type newsegment
>> 0:32:21.060000000 1142 0x4234f0 DEBUG GST_EVENT
>> gstevent.c:269:gst_event_new: creating new
>> event 0x41b160 tag 118
>> 0:32:21.060000000 1142 0x4234f0 LOG GST_PADS
>> gstpad.c:5214:gst_pad_push_event:<wavparse
>> 0:src> event: tag
>> 0:32:21.060000000 1142 0x4234f0 LOG GST_PADS
>> gstpad.c:5255:gst_pad_push_event:<wavparse
>> 0:src> event had no source, setting pad as event source
>> 0:32:21.070000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:5295:gst_pad_push_event:<wavparse
>> 0:src> Dropping event because pad is not linked
>> 0:32:21.070000000 1142 0x4234f0 LOG GST_EVENT
>> gstevent.c:225:gst_event_finalize: freeing
>> event 0x41b160 type tag
>> 0:32:21.070000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:185:gst_message_init: new mes
>> sage 0x489050
>> 0:32:21.070000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:274:gst_message_new_custom: s
>> ource wavparse0: creating new message 0x489050 tag
>> 0:32:22.170000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus0> [msg 0x48
>> 9050] posting on bus, type tag, 0x47b080 from source 0x46c0c0
>> 0:32:22.170000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3164:gst_bin_handle_message_func:
>> <pipeline0> [msg 0x489050] handling child wavparse0 message of type tag
>> 0:32:22.170000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3441:gst_bin_handle_message_func:
>> <pipeline0> posting message upward
>> 0:32:22.170000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus1> [msg 0x48
>> 9050] posting on bus, type tag, 0x47b080 from source 0x46c0c0
>> 0:32:22.170000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:338:gst_bus_post:<bus1> [msg 0x48
>> 9050] pushing on async queue
>> 0:32:22.170000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:343:gst_bus_post:<bus1> [msg 0x48
>> 9050] pushed on async queue
>> 0:32:22.170000000 1137 0x420a00 LOG GST_BUS
>> gstbus.c:495:gst_bus_timed_pop_filtered:<b
>> us1> have 1 messages
>> 0:32:22.170000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:500:gst_bus_timed_pop_filtered:<b
>> us1> got message 0x489050, tag from wavparse0, type mask is 4294967295
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:762:gst_bus_source_dispatch:<bus1
>>> source 0x463ea0 calling dispatch with 0x489050
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:969:poll_func: mainloop 0x47cff0
>> quit
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:767:gst_bus_source_dispatch:<bus1
>>> source 0x463ea0 handler returns 1
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1079:gst_bus_poll: mainloop stopp
>> ed 0x47cff0
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1324:gst_bus_remove_signal_watch:
>> <bus1> removing signal watch 12
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:788:gst_bus_source_finalize:<bus1
>>> finalize source 0x463ea0
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:259:gst_bus_set_main_context:<bus
>> 1> setting main context to (nil), GLib default context: 0x477f38
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1092:gst_bus_poll:<bus1> finished
>> poll with message 0x489050
>> 0:32:22.180000000 1137 0x420a00 LOG GST_MESSAGE
>> gstmessage.c:195:gst_message_finalize: fin
>> alize message 0x489050, tag from wavparse0
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:867:gst_bus_add_watch_full_unlock
>> ed:<bus1> New source 0x47c5f8 with id 13
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1077:gst_bus_poll: running mainlo
>> op 0x47c3b0
>> 0:32:22.180000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:259:gst_bus_set_main_context:<bus
>> 1> setting main context to 0x477f38, GLib default context: 0x477f38
>> 0:32:22.180000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:334:gst_bus_post:<bus0> [msg 0x48
>> 9050] dropped
>> 0:32:23.290000000 1142 0x4234f0 DEBUG wavparse
>> gstwavparse.c:1981:gst_wavparse_stream_dat
>> a:<wavparse0> marking DISCONT
>> 0:32:23.290000000 1142 0x4234f0 LOG wavparse
>> gstwavparse.c:1995:gst_wavparse_stream_dat
>> a:<wavparse0> Got buffer. timestamp:0:00:00.000000000 ,
>> duration:0:00:00.040000000, size:7680
>> 0:32:23.290000000 1142 0x4234f0 LOG GST_PADS
>> gstpad.c:4728:gst_pad_push:<wavparse0:src>
>> Taking slow path
>> 0:32:23.290000000 1142 0x4234f0 LOG GST_BUFFER
>> gstbuffer.c:203:gst_buffer_finalize: final
>> ize 0x489a20
>> 0:32:23.290000000 1142 0x4234f0 LOG GST_SCHEDULING
>> gstpad.c:4563:gst_pad_push_data:<wavparse0
>> :src> pushing, but it was not linked
>> 0:32:23.290000000 1142 0x4234f0 INFO wavparse
>> gstwavparse.c:2039:gst_wavparse_stream_dat
>> a:<wavparse0> Error pushing on srcpad wavparse0:src, reason
>> not-linked, is linked? = 0
>>
>> ** (gst-launch-0.10:1142): WARNING **: gstwavparse.c, gst_wavparse_loop,2074
>> 0:32:23.290000000 1142 0x4234f0 DEBUG wavparse
>> gstwavparse.c:2088:gst_wavparse_loop:<wavp
>> arse0> pausing task, reason not-linked
>> 0:32:23.290000000 1142 0x4234f0 DEBUG GST_PADS
>> gstpad.c:5646:gst_pad_pause_task:<wavparse
>> 0:sink> pause task
>> 0:32:23.290000000 1142 0x4234f0 DEBUG task
>> gsttask.c:698:gst_task_set_state:<wavparse
>> 0:sink> Changing task 0x486800 to state 2
>> 0:32:23.290000000 1142 0x4234f0 WARN wavparse
>> gstwavparse.c:2122:gst_wavparse_loop:<wavp
>> arse0> error: Internal data flow error.
>> 0:32:23.290000000 1142 0x4234f0 WARN wavparse
>> gstwavparse.c:2122:gst_wavparse_loop:<wavp
>> arse0> error: streaming task paused, reason not-linked (-1)
>> 0:32:23.290000000 1142 0x4234f0 DEBUG GST_MESSAGE
>> gstelement.c:1933:gst_element_message_full
>> :<wavparse0> start
>> 0:32:23.290000000 1142 0x4234f0 INFO GST_ERROR_SYSTEM
>> gstelement.c:1964:gst_element_message_full
>> :<wavparse0> posting message: Internal data flow error.
>> 0:32:23.290000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:185:gst_message_init: new mes
>> sage 0x489098
>> 0:32:23.290000000 1142 0x4234f0 LOG GST_MESSAGE
>> gstmessage.c:274:gst_message_new_custom: s
>> ource wavparse0: creating new message 0x489098 error
>> 0:32:23.290000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus0> [msg 0x48
>> 9098] posting on bus, type error, 0x4992b0 from source 0x46c0c0
>> 0:32:23.290000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3164:gst_bin_handle_message_func:
>> <pipeline0> [msg 0x489098] handling child wavparse0 message of type error
>> 0:32:23.290000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3171:gst_bin_handle_message_func:
>> <pipeline0> got ERROR message, unlocking state change
>> 0:32:23.290000000 1142 0x4234f0 DEBUG bin
>> gstbin.c:3441:gst_bin_handle_message_func:
>> <pipeline0> posting message upward
>> 0:32:23.290000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:308:gst_bus_post:<bus1> [msg 0x48
>> 9098] posting on bus, type error, 0x4992b0 from source 0x46c0c0
>> 0:32:24.400000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:338:gst_bus_post:<bus1> [msg 0x48
>> 9098] pushing on async queue
>> 0:32:24.400000000 1142 0x4234f0 DEBUG GST_BUS
>> gstbus.c:343:gst_bus_post:<bus1> [msg 0x48
>> 9098] pushed on async queue
>> 0:32:24.400000000 1137 0x420a00 LOG GST_BUS
>> gstbus.c:495:gst_bus_timed_pop_filtered:<b
>> us1> have 1 messages
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:500:gst_bus_timed_pop_filtered:<b
>> us1> got message 0x489098, error from wavparse0, type mask is 4294967295
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:762:gst_bus_source_dispatch:<bus1
>>> source 0x47c5f8 calling dispatch with 0x489098
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:969:poll_func: mainloop 0x47c3b0
>> quit
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:767:gst_bus_source_dispatch:<bus1
>>> source 0x47c5f8 handler returns 1
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1079:gst_bus_poll: mainloop stopp
>> ed 0x47c3b0
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1324:gst_bus_remove_signal_watch:
>> <bus1> removing signal watch 13
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:788:gst_bus_source_finalize:<bus1
>>> finalize source 0x47c5f8
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:259:gst_bus_set_main_context:<bus
>> 1> setting main context to (nil), GLib default context: 0x477f38
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_BUS
>> gstbus.c:1092:gst_bus_poll:<bus1> finished
>> poll with message 0x489098
>> ERROR: from element /GstPipeline:pipeline0/GstWavParse:wavparse0:
>> Internal data flow error.
>> Additional debug info:
>> gstwavparse.c(2122): gst_wavparse_loop ():
>> /GstPipeline:pipeline0/GstWavParse:wavparse0:
>> streaming task paused, reason not-linked (-1)
>> 0:32:24.400000000 1137 0x420a00 LOG GST_MESSAGE
>> gstmessage.c:195:gst_message_finalize: fin
>> alize message 0x489098, error from wavparse0
>> ERROR: pipeline doesn't want to preroll.
>> Setting pipeline to NULL ...
>> 0:32:24.400000000 1137 0x420a00 DEBUG GST_STATES
>> gstelement.c:2638:gst_element_set_state_fu
>> nc:<pipeline0> set_state to NULL
>> 0:32:24.400000000 1137 0x420a00 DEBUG
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>>
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