Error while unref the pipeline

[张若]

Mostly, it will show:

GLib (gthread-posix.c): Unexpected error from C library during
'pthread_mutex_lock': Invalid argument.  Aborting.
Aborted (core dumped)

2016-11-23 19:37 GMT+01:00 张若 <zr92zr at gmail.com>:

> Hi!
>
> I have a pipeline:
> imxv4l2src->capsfilter->queue1->imxenc(h264)->parse-------\_
> _tsmux___filesink
>
> appsrc(klv)->queue2------/
> When I am going to stop this pipeline, I stop the klv data input first,
> then set the pipeline to NULL status. For this two steps, there is no
> problem. However, when I start to unref this pipeline, it shows errors
> (each time may be different), sometimes are something related to core dump.
>
> I don't know what is the reason. What I thought is the pipeline is already
> set to NULL, it should be no problem to unref this pipeline.
>
> So I need your help! Thanks in advance!
>
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