[Interest] QCamera | Qt 5.7 | MultimediaWidgets::Camera example.

[Igor Mironchik]

Hi,

Solved. I installed all from gstreamer 0.10 and voila... Cameras 
initialize now.


On 29.08.2016 19:57, Igor Mironchik wrote:
> Hi,
>
> One more thing: cameras working in Skype, I checked...
>
>
> On 29.08.2016 19:55, Igor Mironchik wrote:
>> Hi,
>>
>> I remember that with previous version of my Kubuntu (15.04, 15.10) 
>> and earlier versions of Qt camera worked.
>>
>> Can anybody check if this example works with his camera on Kubuntu 
>> 16.04 and Qt 5.7?
>>
>> Thank you.
>>
>>
>> On 29.08.2016 19:05, Igor Mironchik wrote:
>>> Hi,
>>>
>>> I try to start camera example in multimediawidgets, but all my 
>>> cameras failed to start with "No camera source available" error. I'm 
>>> on Linux with Qt 5.7.
>>>
>>> Is it known bug, or I missed something on my system?
>>>
>>> In app's output I see:
>>>
>>> (camera:7876): GLib-GObject-WARNING **: invalid (NULL) pointer instance
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_signal_connect_data: 
>>> assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
>>>
>>> (camera:7876): GLib-GObject-WARNING **: invalid (NULL) pointer instance
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_signal_connect_data: 
>>> assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
>>>
>>> (camera:7876): GLib-GObject-WARNING **: invalid (NULL) pointer instance
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_signal_connect_data: 
>>> assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_object_ref_sink: assertion 
>>> 'GST_IS_OBJECT (object)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_element_get_bus: assertion 
>>> 'GST_IS_ELEMENT (element)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_bus_add_watch_full: 
>>> assertion 'GST_IS_BUS (bus)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_bus_set_sync_handler: 
>>> assertion 'GST_IS_BUS (bus)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_object_ref: assertion 
>>> 'object != NULL' failed
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_object_set: assertion 
>>> 'G_IS_OBJECT (object)' failed
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_object_set: assertion 
>>> 'G_IS_OBJECT (object)' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_object_ref: assertion 
>>> 'object != NULL' failed
>>>
>>> (camera:7876): GStreamer-CRITICAL **: gst_element_set_state: 
>>> assertion 'GST_IS_ELEMENT (element)' failed
>>>
>>> (camera:7876): GLib-GObject-CRITICAL **: g_object_get: assertion 
>>> 'G_IS_OBJECT (object)' failed
>>>
>>
>

-- 
Best Regards,
Igor Mironchik.