splitmuxsink arbitrary close

[cottrelld]

Thanks for the fast reply.  Some further questions:

*1.  I tried to send EOS and wait but it didn't result in a valid video.*

My pipeline is like this:    otherstuff | tee | queue | x264enc |
splitmuxsink

I first put a block on the src pad of the queue.  In the callback,  I send
an EOS on the sink pad of the queue.

The in-progress last video get's written, but it's not valid.  it has
non-zero length but nothing can open it.  The rest of the videos created by
the splitmuxsink before that are fine.  Note, I'm not releasing the block
from the queue src at all right now, and I'm not removing the
splitmuxsink.  I left it running to see if it'd close the video ok.

Should I be sending it someplace else?  I notice the send_eos in
splitmuxsink sends it on the peer of the multiqueue...

*2.  How do you capture the EOS on the splitmuxsink bus?*

When you say I should wait for splitmuxsink to post EOS on its bus, do you
mean setup a callback like the following:
 gst_bus_add_watch (GST_ELEMENT_BUS (m_writeSink), bus_cb_writeSink,
m_loop);

If so, I don't get any callbacks on that.

Thanks for the help,
-David



On Thu, Jul 23, 2015 at 2:54 AM, Jan Schmidt-6 [via GStreamer-devel] <
ml-node+s966125n4672809h31 at n4.nabble.com> wrote:

> On 23/07/15 15:25, cottrelld wrote:
> > Hi.
> >
> > I have a pipeline with a tee.  One of the tee channels is a motion
> detector.
> > Upon detecting motion, it fires up another tee channel with a
> splitmuxsink.
> >
> > When motion is stoped, we want to close splitmuxsink.  I've tried just
> > removing it, and also tried sending an EOS, but it simply closes the
> file
> > and leaves it in an unplayable state.
>
> EOS is a valid way to close the stream and end the file, but you need to
> wait until the splitmuxsink posts EOS on its bus to know that that has
> actually completed - simply sending the EOS event on the sink pad(s) and
> changing the state to NULL won't give it a chance to process the EOS
> fully.
>
> > In addition, I try to be able to readd the splitmuxsink in the future
> when
> > we need it again, but it doesn't seem to want to work as normal.
>
> There may be a bug around being reusable - I'm not sure that's been
> properly tested yet. splitmuxsink is pretty new.
>
> > Is there a way to gracefully end the last video correctly?  And is the
> > splitmuxsink designed to be able to be removed and added at will?
>
> Cheers,
> Jan.
>
> >
> > Thanks!
> > -David
> >
> >
> >
> > --
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