gst_element_factory_make errors in gstreamer-1.0

[mihaita]

Le mercredi 08 mai 2019 à 10:40 -0500, mihaita a écrit : 
> Hello, 
> 
>      I have created a gstreamer app in Eclipse and i have the following 
> runtime emssages: 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 

Did you forgot to call gst_init() ? 

> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_make_from_uri:
> assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make: assertion 
> 'gst_is_initialized ()' failed 
> 
> ** (test:1510): CRITICAL **: gst_app_src_push_buffer_full: assertion 
> 'GST_IS_APP_SRC (appsrc)' failed 
> 
> (test:1510): GStreamer-CRITICAL **: gst_element_make_from_uri: assertion 
> 'gst_uri_is_valid (uri)' failed 
> 
> (test:1510): GStreamer-CRITICAL **: gst_element_make_from_uri: assertion 
> 'gst_uri_is_valid (uri)' failed 
> 
> (test:1510): GLib-GObject-WARNING **: invalid (NULL) pointer instance 
> 
> (test:1510): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 
> 'G_TYPE_CHECK_INSTANCE (instance)' failed 
> 
> (test:1510): GLib-GObject-WARNING **: invalid (NULL) pointer instance 
> 
> (test:1510): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 
> 'G_TYPE_CHECK_INSTANCE (instance)' failed 
> 
> 
> I have read about possible issues. gst_init is called and the pipeline 
> string used by gst_parse_launch seems to be correct. 
> 
> I do not create pipeline elements by calling gst_element_factory_make, 
> instead I have the pipeline defined already: 
> 
> pipeline = gst_parse_launch("appsrc name=appsrc_element block=true ! 
> video/x-h264,profile=\"high-4:4:4\" "\ 
>                        "  width=720,height=480,framerate=30/1  "\ 
>                        " ! identity check-imperfect-timestamp=true ! "\ 
>                        "videoconvert ! x264dec ! video/x-raw,format=RGB 
> "\ 
>                        "! rtpvrawpay ! udpsink host=10.2.149.137 ", 
> &error); 
> 
> 
> Does anybody know what possible reasons could be for this errors? 
> 
> Thanks, 
>      Mihaita 
> 
> 
> 
Nicolas Dufresne-5 wrote
> Le mercredi 08 mai 2019 à 10:40 -0500, mihaita a écrit :
>> Hello,
>> 
>>      I have created a gstreamer app in Eclipse and i have the following
>> runtime emssages:
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
> 
> Did you forgot to call gst_init() ?
> 
> Thanks for your quick reply. I do call gst_init when I start the
> gstreamer:
/
> void
> GStreamer::start(void)
> {
>     /* Initialise the gstreamer library */
>     gst_init(NULL, NULL);
> 
>     this->thread = std::thread(GstreamerThread, this);
> }
/
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_make_from_uri:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> (process:1510): GStreamer-CRITICAL **: gst_element_factory_make:
>> assertion
>> 'gst_is_initialized ()' failed
>> 
>> ** (test:1510): CRITICAL **: gst_app_src_push_buffer_full: assertion
>> 'GST_IS_APP_SRC (appsrc)' failed
>> 
>> (test:1510): GStreamer-CRITICAL **: gst_element_make_from_uri: assertion
>> 'gst_uri_is_valid (uri)' failed
>> 
>> (test:1510): GStreamer-CRITICAL **: gst_element_make_from_uri: assertion
>> 'gst_uri_is_valid (uri)' failed
>> 
>> (test:1510): GLib-GObject-WARNING **: invalid (NULL) pointer instance
>> 
>> (test:1510): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion
>> 'G_TYPE_CHECK_INSTANCE (instance)' failed
>> 
>> (test:1510): GLib-GObject-WARNING **: invalid (NULL) pointer instance
>> 
>> (test:1510): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion
>> 'G_TYPE_CHECK_INSTANCE (instance)' failed
>> 
>> 
>> I have read about possible issues. gst_init is called and the pipeline
>> string used by gst_parse_launch seems to be correct.
>> 
>> I do not create pipeline elements by calling gst_element_factory_make,
>> instead I have the pipeline defined already:
>> 
>> pipeline = gst_parse_launch("appsrc name=appsrc_element block=true !
>> video/x-h264,profile=\"high-4:4:4\" "\
>>     		                    "  width=720,height=480,framerate=30/1  "\
>>     		                    " ! identity check-imperfect-timestamp=true !
>> "\
>>     		                    "videoconvert ! x264dec !
>> video/x-raw,format=RGB
>> "\
>>     		                    "! rtpvrawpay ! udpsink host=10.2.149.137 ",
>> &error);
>> 
>> 
>> Does anybody know what possible reasons could be for this errors?
>> 
>> Thanks,
>>      Mihaita
>> 
>> 
>> 
>> --
>> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
>> _______________________________________________
>> gstreamer-devel mailing list
>> 

> gstreamer-devel at .freedesktop

>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> 
> _______________________________________________
> gstreamer-devel mailing list

> gstreamer-devel at .freedesktop

> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> 
> signature.asc (201 bytes)
> <http://gstreamer-devel.966125.n4.nabble.com/attachment/4690554/0/signature.asc>





--
Sent from: http://gstreamer-devel.966125.n4.nabble.com/