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<pre style="word-wrap:break-word; font-size:10.0pt; font-family:Tahoma; color:black">Hi Sebastian!

I implemented it similar to filesink (sorry if this  gets strangely formatted):

case GST_QUERY_SEEKING:

gst_query_parse_seeking (query, &format, NULL, NULL, NULL); 

if (format == GST_FORMAT_BYTES)
 { 
     gst_query_set_seeking (query, GST_FORMAT_BYTES, TRUE, 0, -1); 
} else { 
    gst_query_set_seeking (query, format, FALSE, 0, -1); 
} 

And then I added a signal and callback  seek(guint64 offset) which is emitted on a SEGMENT event.

My appsink is basically a custom filesink. I had nothing between mp4mux and the appsink.

/Kristoffer</pre>
<div>On Do, 2016-03-24 at 03:32 -0700, Kristoffer wrote:
<div class="shrinkable-quote">
<div class="shrinkable-quote"><br>
> I'm trying to add seek support for appsink. But it seems that the appsink <br>
> never receives the SEEKING query from the mp4mux. <br>
> <br>
> Mp4mux claims downstream is not seekable: <br>
> <br>
> qtmux gstqtmux.c:1695:gst_qt_mux_start_file: downstream is not <br>
> seekable <br>
> qtmux gstqtmux.c:1707:gst_qt_mux_start_file: warning: Downstream is <br>
> not seekable and headers can't be rewritten <br>
> <br>
> But I've implemented handling of the seek query and the appsink never even <br>
> receives the query. What can cause this? </div>
</div>
What's between your mp4mux and the appsink? And how did you implement <br>
the handling of the SEEK query in appsink, and especially how would you <br>
handle the actual seeking later? <br>
<br>
-- <br>
Sebastian Dröge, Centricular Ltd · <a href="http://www.centricular.com" target="_top" rel="nofollow" link="external">
http://www.centricular.com</a><br>
<br>
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