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<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>Hi Guys,</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>I'm hoping you can help
me.</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>I am writing a medical
video application for live surgical examinations, eg for endoscopies or
laparoscopies. </SPAN></FONT><FONT color=#3a3a3a><SPAN
class=125520112-05082011>The application is written in wxPerl which uses an
API called wxMediaCtrl as a GStreamer front end.</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>The C++ code is shown
here:</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011><A
href="http://read.pudn.com/downloads69/sourcecode/embed/247385/wxWidgets-2.8.0/src/unix/mediactrl.cpp__.htm">http://read.pudn.com/downloads69/sourcecode/embed/247385/wxWidgets-2.8.0/src/unix/mediactrl.cpp__.htm</A></SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011></SPAN></FONT><FONT
color=#3a3a3a><SPAN class=125520112-05082011></SPAN></FONT><FONT
color=#3a3a3a><SPAN class=125520112-05082011></SPAN></FONT><FONT
color=#3a3a3a><SPAN class=125520112-05082011>While the video playback from a
file works fine, the functionality for playing a webcam
(wxGStreamerMediaBackend::Load (URI version)) does not. It seems that the webcam
is opened/loaded but no image appears. If I use a valid webcam name, I get
no reaction, but if I use an invalid webcam name the application crashes.
I am trying to track the API calls through mediactrl.cpp which starts with this
call, but should there be the equivalent of "play" for a
webcam?</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>Does anyone have or can
you point me to a piece of Linux c++ code that plays a Linux webcam (eg <A
href="file:///dev/video0">file:///dev/video0</A>)?</SPAN></FONT></P>
<P><FONT color=#3a3a3a><SPAN class=125520112-05082011>Any code or other advice
would be much appreciated</P></SPAN></FONT>
<P><FONT color=#3a3a3a><SPAN
class=125520112-05082011></SPAN>Regards<BR><BR>Steve</FONT></P>
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