Changing source on a pipeline, using READY state not NULL ?
Stuart Axon
stuaxo2 at yahoo.com
Wed Dec 14 19:27:14 UTC 2016
Hi, I'm changing the source of my pipeline.From reading stuff on the net it looks like I should be able to set the pipeline to READY then change this.
If I use READY, the image is never displayed.
If I use NULL then things work ... except there is a flash where the screen is black, which is not ideal.
Should this work (I'm fairly sure it did in older gst versions) -
- I'm doing these operations in gobject idle handler, not sure if that makes a difference.
pipeline: filesrc->decodebin->glimagesink
Gstreamer Master, on raspbian, with this patch for glimagesink https://bugzilla.gnome.org/show_bug.cgi?id=776091
- GST DEBUG=4 from the point of changing the image.
0:01:02.648336826 8616 0x6ef01800 INFO GST_STATES gstbin.c:3441:bin_handle_async_done:<glimagesinkbin0> committing state from READY to PAUSED, old pending PAUSED
0:01:02.648413909 8616 0x6ef01800 INFO GST_STATES gstbin.c:3461:bin_handle_async_done:<glimagesinkbin0> completed state change, pending VOID
0:01:02.648445471 8616 0x6ef01800 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glimagesinkbin0> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:01:02.648510627 8616 0x6ef01800 INFO GST_STATES gstbin.c:3441:bin_handle_async_done:<pipeline0> committing state from READY to PAUSED, old pending PLAYING
0:01:02.648551199 8616 0x6ef01800 INFO GST_STATES gstbin.c:3470:bin_handle_async_done:<pipeline0> continue state change, pending PLAYING
0:01:02.648584428 8616 0x6ef01800 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed READY to PAUSED (PLAYING pending)
0:01:02.648778489 8616 0x6f028e90 INFO GST_STATES gstbin.c:3267:gst_bin_continue_func:<pipeline0> continue state change PAUSED to PLAYING, final PLAYING
0:01:02.649137184 8616 0x6f028e90 INFO GST_EVENT gstevent.c:1382:gst_event_new_latency: creating latency event 0:00:00.000000000
0:01:02.649314161 8616 0x6f028e90 INFO bin gstbin.c:2798:gst_bin_do_latency_func:<pipeline0> configured latency of 0:00:00.000000000
0:01:02.649400619 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glimagesinkbin0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.649482545 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<sink> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.649547701 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<sink> completed state change to PLAYING
0:01:02.649582544 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<sink> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.649782074 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'sink' changed state to 4(PLAYING) successfully
0:01:02.649839417 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glcolorbalance0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.649891396 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<glcolorbalance0> completed state change to PLAYING
0:01:02.649926083 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glcolorbalance0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.649985093 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'glcolorbalance0' changed state to 4(PLAYING) successfully
0:01:02.650033843 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glcolorconvertelement0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.650080509 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<glcolorconvertelement0> completed state change to PLAYING
0:01:02.650112957 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glcolorconvertelement0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.650167748 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'glcolorconvertelement0' changed state to 4(PLAYING) successfully
0:01:02.650214049 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<gluploadelement0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.650259934 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<gluploadelement0> completed state change to PLAYING
0:01:02.650292330 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<gluploadelement0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.650345507 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'gluploadelement0' changed state to 4(PLAYING) successfully
0:01:02.650396756 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<glimagesinkbin0> completed state change to PLAYING
0:01:02.650428996 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glimagesinkbin0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.650484255 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'glimagesinkbin0' changed state to 4(PLAYING) successfully
0:01:02.650535349 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<decode> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.650610348 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<pngdec1> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.650662744 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<pngdec1> completed state change to PLAYING
0:01:02.650695035 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pngdec1> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.650751232 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'pngdec1' changed state to 4(PLAYING) successfully
0:01:02.650799982 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<pngparse1> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.650848679 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<pngparse1> completed state change to PLAYING
0:01:02.650881544 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pngparse1> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.650937272 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'pngparse1' changed state to 4(PLAYING) successfully
0:01:02.650983626 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<typefind> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.651032376 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<typefind> completed state change to PLAYING
0:01:02.651064719 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<typefind> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.651119250 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'typefind' changed state to 4(PLAYING) successfully
0:01:02.651167218 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<decode> completed state change to PLAYING
0:01:02.651199562 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<decode> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.651252061 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'decode' changed state to 4(PLAYING) successfully
0:01:02.651297686 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<filesrc0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:02.651347113 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<filesrc0> completed state change to PLAYING
0:01:02.651379196 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<filesrc0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.651431070 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'filesrc0' changed state to 4(PLAYING) successfully
0:01:02.651477736 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<pipeline0> completed state change to PLAYING
0:01:02.651509663 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:02.652490749 8616 0x6ef01800 WARN basesrc gstbasesrc.c:2401:gst_base_src_update_length:<filesrc0> processing at or past EOS
0:01:02.652578248 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4775:gst_pad_get_range_unchecked:<filesrc0:src> getrange failed, flow: eos
0:01:02.652629081 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4990:gst_pad_pull_range:<decode:sink> pullrange failed, flow: eos
0:01:02.652666476 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4775:gst_pad_get_range_unchecked:<sink:proxypad0> getrange failed, flow: eos
0:01:02.652663247 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3039:gst_element_dispose:<pngdec0> 0x6f006138 dispose
0:01:02.652702570 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4990:gst_pad_pull_range:<typefind:sink> pullrange failed, flow: eos
0:01:02.652792777 8616 0x6298e0 INFO GST_ELEMENT_PADS gstelement.c:785:gst_element_remove_pad:<pngdec0> removing pad 'sink'
0:01:02.652813037 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4775:gst_pad_get_range_unchecked:<typefind:src> getrange failed, flow: eos
0:01:02.652917620 8616 0x6298e0 INFO GST_ELEMENT_PADS gstelement.c:785:gst_element_remove_pad:<pngdec0> removing pad 'src'
0:01:02.653105327 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3085:gst_element_dispose:<pngdec0> 0x6f006138 parent class dispose
0:01:02.653198972 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3116:gst_element_finalize:<pngdec0> 0x6f006138 finalize
0:01:02.653252044 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3122:gst_element_finalize:<pngdec0> 0x6f006138 finalize parent
0:01:02.653304752 8616 0x6ef01800 INFO GST_SCHEDULING gstpad.c:4990:gst_pad_pull_range:<pngparse1:sink> pullrange failed, flow: eos
0:01:02.653379387 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3039:gst_element_dispose:<pngparse0> 0x6ef34278 dispose
0:01:02.653451782 8616 0x6298e0 INFO GST_ELEMENT_PADS gstelement.c:785:gst_element_remove_pad:<pngparse0> removing pad 'sink'
0:01:02.653520115 8616 0x6298e0 INFO GST_ELEMENT_PADS gstelement.c:785:gst_element_remove_pad:<pngparse0> removing pad 'src'
0:01:02.653588968 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3085:gst_element_dispose:<pngparse0> 0x6ef34278 parent class dispose
0:01:02.653715738 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3116:gst_element_finalize:<pngparse0> 0x6ef34278 finalize
0:01:02.653779383 8616 0x6298e0 INFO GST_REFCOUNTING gstelement.c:3122:gst_element_finalize:<pngparse0> 0x6ef34278 finalize parent
0:01:02.654099433 8616 0x6ef01800 INFO task gsttask.c:318:gst_task_func:<pngparse1:sink> Task going to paused
0:01:03.320905755 8616 0x6298e0 INFO GST_EVENT gstevent.c:1268:gst_event_new_seek: creating seek rate 1.000000, format TIME, flags 5, start_type 1, start 0:00:00.001172304, stop_type 1, stop 99:99:99.999999999
0:01:03.321398147 8616 0x6298e0 INFO default gstsegment.c:372:gst_segment_do_seek: segment updated: time segment start=0:00:00.001172304, offset=0:00:00.000000000, stop=99:99:99.999999999, rate=1.000000, applied_rate=1.000000, flags=0x01, time=0:00:00.001172304, base=0:00:00.000000000, position 0:00:00.001172304, duration 99:99:99.999999999
0:01:03.321778664 8616 0x6298e0 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<sink> notifying about state-changed PAUSED to PAUSED (PAUSED pending)
0:01:03.321981996 8616 0x6298e0 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glimagesinkbin0> notifying about state-changed PAUSED to PAUSED (PAUSED pending)
0:01:03.322130640 8616 0x6298e0 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed PAUSED to PAUSED (PAUSED pending)
0:01:03.322390898 8616 0x6298e0 INFO GST_EVENT gstevent.c:550:gst_event_new_flush_stop: creating flush stop 1
0:01:03.322792249 8616 0x6298e0 INFO GST_EVENT gstevent.c:889:gst_event_new_segment: creating segment event time segment start=0:00:00.001172304, offset=0:00:00.000000000, stop=99:99:99.999999999, rate=1.000000, applied_rate=1.000000, flags=0x01, time=0:00:00.001172304, base=0:00:00.000000000, position 0:00:00.001172304, duration 99:99:99.999999999
0:01:03.323099069 8616 0x6ef01800 INFO task gsttask.c:320:gst_task_func:<pngparse1:sink> Task resume from paused
0:01:03.324190779 8616 0x6ef01800 INFO GST_STATES gstbin.c:3441:bin_handle_async_done:<glimagesinkbin0> committing state from PAUSED to PAUSED, old pending PLAYING
0:01:03.324308799 8616 0x6ef01800 INFO GST_STATES gstbin.c:3461:bin_handle_async_done:<glimagesinkbin0> completed state change, pending VOID
0:01:03.324371350 8616 0x6ef01800 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glimagesinkbin0> notifying about state-changed PAUSED to PAUSED (VOID_PENDING pending)
0:01:03.324687285 8616 0x6ef01800 INFO GST_STATES gstbin.c:3441:bin_handle_async_done:<pipeline0> committing state from PAUSED to PAUSED, old pending PLAYING
0:01:03.324797180 8616 0x6ef01800 INFO GST_STATES gstbin.c:3470:bin_handle_async_done:<pipeline0> continue state change, pending PLAYING
0:01:03.324891710 8616 0x6ef01800 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed PAUSED to PAUSED (PLAYING pending)
0:01:03.325136604 8616 0x6f028e90 INFO GST_STATES gstbin.c:3267:gst_bin_continue_func:<pipeline0> continue state change PAUSED to PLAYING, final PLAYING
0:01:03.325586392 8616 0x6f028e90 INFO GST_EVENT gstevent.c:1382:gst_event_new_latency: creating latency event 0:00:00.000000000
0:01:03.325865660 8616 0x6f028e90 INFO bin gstbin.c:2798:gst_bin_do_latency_func:<pipeline0> configured latency of 0:00:00.000000000
0:01:03.326006544 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glimagesinkbin0> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:03.326150293 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<sink> current PAUSED pending VOID_PENDING, desired next PLAYING
0:01:03.326259146 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<sink> completed state change to PLAYING
0:01:03.326334406 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<sink> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:03.326451801 8616 0x6ef01800 INFO task gsttask.c:318:gst_task_func:<pngparse1:sink> Task going to paused
0:01:03.326464405 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'sink' changed state to 4(PLAYING) successfully
0:01:03.326604039 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glcolorbalance0> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.326683674 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<glcolorbalance0> skipping transition from PLAYING to PLAYING
0:01:03.326753465 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'glcolorbalance0' changed state to 4(PLAYING) successfully
0:01:03.326843933 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<glcolorconvertelement0> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.326919557 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<glcolorconvertelement0> skipping transition from PLAYING to PLAYING
0:01:03.326986744 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'glcolorconvertelement0' changed state to 4(PLAYING) successfully
0:01:03.327073931 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<gluploadelement0> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.327149087 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<gluploadelement0> skipping transition from PLAYING to PLAYING
0:01:03.327216951 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<glimagesinkbin0> child 'gluploadelement0' changed state to 4(PLAYING) successfully
0:01:03.327309137 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<glimagesinkbin0> completed state change to PLAYING
0:01:03.327373616 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<glimagesinkbin0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:01:03.327511844 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'glimagesinkbin0' changed state to 4(PLAYING) successfully
0:01:03.327614812 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<decode> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.327746581 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<pngdec1> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.327824341 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<pngdec1> skipping transition from PLAYING to PLAYING
0:01:03.327892153 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'pngdec1' changed state to 4(PLAYING) successfully
0:01:03.327981059 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<pngparse1> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.328055381 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<pngparse1> skipping transition from PLAYING to PLAYING
0:01:03.328122568 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'pngparse1' changed state to 4(PLAYING) successfully
0:01:03.328207827 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<typefind> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.328282306 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<typefind> skipping transition from PLAYING to PLAYING
0:01:03.328348035 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<decode> child 'typefind' changed state to 4(PLAYING) successfully
0:01:03.328434492 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<decode> completed state change to PLAYING
0:01:03.328505325 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'decode' changed state to 4(PLAYING) successfully
0:01:03.328589387 8616 0x6f028e90 INFO GST_STATES gstbin.c:2521:gst_bin_element_set_state:<filesrc0> current PLAYING pending VOID_PENDING, desired next PLAYING
0:01:03.328663501 8616 0x6f028e90 INFO GST_STATES gstbin.c:2638:gst_bin_element_set_state:<filesrc0> skipping transition from PLAYING to PLAYING
0:01:03.328729333 8616 0x6f028e90 INFO GST_STATES gstbin.c:2969:gst_bin_change_state_func:<pipeline0> child 'filesrc0' changed state to 4(PLAYING) successfully
0:01:03.328813864 8616 0x6f028e90 INFO GST_STATES gstelement.c:2464:gst_element_continue_state:<pipeline0> completed state change to PLAYING
0:01:03.328876311 8616 0x6f028e90 INFO GST_STATES gstelement.c:2369:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
^C^C
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