On 06/16/2011 05:38 PM, pierre gousseau wrote:
> Hi All,
>
> I am writing my own plugin for a live audio/video source hardware, it
> has 1 ALWAYS video pad and 1 SOMETIMES audio pad.
>
> In my test application I connect to an xvimagesink and an alsasink.
>
> When i close the window i exit the main loop and set the pipeline state
> to NULL.
>
> In my plugin when going from PLAYING to PAUSE i call gst_pad_pause_task
> on each pad.
>
> The gst_pad_pause_task call for the audio pad is locked in
> GST_PAD_STREAM_LOCK
>
> The task for the audio pad is locked in gst_base_sink_wait_preroll call
> within the gst_pad_push call
>
> Shouldnt gst_pad_pause_task be called when changing PLAYING to PAUSE ?
No, it should not be called, it will deadlock exactly as you describe.
Wim
>
> Should i push/send a special event on the pad before calling
> gst_pad_xxx_task function ?
>
> Is there principle to follow to ensure no deadlocks when calling a
> gst_pad_xxx_task function ?
>
> Thanks for your help,
>
> Pierre
>
>
>
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