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<div dir=3D"ltr"><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail=
_attr">Il giorno mar 19 apr 2022 alle ore 11:42 Victor Toso &lt;<a href=3D"=
mailto:victortoso@xxxxxxxxxx";>victortoso@xxxxxxxxxx</a>&gt; ha scritto:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
On Wed, Apr 13, 2022 at 03:06:24PM +0800, Walter Mitty wrote:<br>
&gt; Hello,<br>
&gt; I am learning spice-server source code. And i&#39;m confusing the 2<br=
&gt; functions in `video-stream.cpp`: video_stream_trace_update /<br>
&gt; video_stream_maintenance.<br>
&gt; <br>
&gt; There is a todo about it.<br>
&gt; Any suggestions please?<br>
I think the TODO is also to clarify if and when functions were<br>
needed and how to properly use them. I&#39;d need to dive into it to<br>
check. If you understand them, I&#39;d appreciate if you submit a<br>
documentation patch about it, I&#39;d be happy to review your<br>
Victor<br></blockquote><div><br></div><div>Hi,</div><div>=C2=A0=C2=A0 I wis=
h I had a better reply but not much.</div><div>From a quick glance one is m=
ore &quot;focused&quot;, the other less. video_stream_trace_update is scann=
ing all possible streams and traces looking for matches while video_stream_=
maintenance is looking for a single stream. Looking at callers one of the c=
allers of video_stream_maintenance is current_add_equal which is called if =
another Drawable matches exactly (same position and size).<br></div><div><b=


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