Crash when closing pipeline

[Ian Davidson]

My guess is that you do NOT wait for a message to report that the state 
has actually changed.  Therefore, you unref the pipeline while the code 
is trying to change the state.  Poof!

On 29/07/2013 15:47, Otwoh wrote:
> Hello.
>
> I have a C++ GStreamer application which record my webcam.
>
> Here the Pipeline :
>
> ksvideosrc --- queue2 --- ffmpegcolospace --- videorate ---ffenc_mjpeg ---
> queue2
>                                                                                                              
> \
>                                                                                                              
> avimux --- filesrc
>                                                                                                              
> /
>                                dshowaudiosrc --- audioconvert --- ffenc_aac
> --- queue2
>
>
> When I want to stop recording, I manually call  g_main_loop_quit
> (main_loop);
> Then, I clear objects:
>
> g_main_loop_run(smp->main_loop);
> gst_element_set_state (smp->pipeline, GST_STATE_NULL);
> gst_object_unref (smp->pipeline);
>
>
> It works very well when I use mjpeg encoder, or raw video.
> But my application crash every times, when I use an encoder with prediction
> (mpeg2, mpeg4, h264)
> The crash is a Stack overflow and memory corrupted.
>
> Plus, in spite of crashing, the video file is created and complete. It's
> really weird...
>
> How can I stop the capture cleanly ?
>
>
>
> --
> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Crash-when-closing-pipeline-tp4661329.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com.
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-- 
--
Ian Davidson
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