Video Conference - not Konference

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Video Conference - not Konference
by David Sainty on Thursday 17/Jul/2003, @02:35

All, we don't have a web site for the Video Conference project/app yet. Konference, which is linked in the article (http://konference.sf.net/) is a different project.

- Video Conference may be viewed in CVS at:

http://www.arklinux.org/cgi-bin/cvsweb.cgi/video_conference/

- Packages are available currently for Ark Linux (requires pwlib and openh323)
- We'll try to get a web page up soon. :-)
- You can find the Ark Linux team, including the main author of Video Conference, on freenode #arklinux and find out more about Ark Linux at:

http://www.arklinux.org/

Related Links

·   Articles on Community and Events
·   Also by David Sainty
·   Contact author

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Re: Video Conference - not Konference
by uga on Thursday 17/Jul/2003, @04:36

Uhm.... I downloaded the version from CVS, but I was unable to build it (PVideoOutputDeviceRGB is not defined anywhere here). Should those of us not using ark report bugs somewhere?

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Re: Video Conference - not Konference
by Navindra Umanee on Thursday 17/Jul/2003, @05:15

The RPM from current seems to work on Mandrake if you use --nodeps, as long as you have the dependencies for gnome meeting already installed.

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Re: Video Conference - not Konference
by uga on Thursday 17/Jul/2003, @05:40

Thanks! I'll give it a try that way. Although I'd prefer to be able to compile it, since I use kde from HEAD usually for coding.

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Re: Video Conference - not Konference
by Arno Nym on Thursday 17/Jul/2003, @05:17

PVideoOutputDeviceRGB should be somewhere in the OpenH323/Plib packages (as it starts with a P). Probably you have the wrong version...

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Re: Video Conference - not Konference
by uga on Thursday 17/Jul/2003, @05:37

I found only "PVideoOutputDevice" (without RGB) which is defined in the pwlib (v1.4.7) headers. I tried to replace it with this class name, so one file compiled, but I got several errors later on, related to virtual functions.

It seems that the latest version for pwlib out there is 1.5.0. I'll try to see if it works with that version.

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Re: Video Conference - not Konference
by uga on Thursday 17/Jul/2003, @05:55

Yeap! its there :-) ptlib/videoio.h from Pwlib 1.5. Thanks very much for the hint.

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Re: Video Conference - not Konference
by Henning on Thursday 17/Jul/2003, @06:02

I converted the SRPM and tried to compile videoconference under Debian unstable.
Then I installed libpt[-dev] and libh323[-dev] but it still fails to compile. I guess videoconference does not like my gcc 3.3.1 :-(

In file included from vcgrabber.h:40,
from videoconference_part.cpp:45:
vcdevice.h:54: error: syntax error before `{' token
vcdevice.h:55: error: virtual outside class declaration
vcdevice.h:55: error: non-member function `const char* GetClass(unsigned int)'
cannot have `const' method qualifier
vcdevice.h: In function `const char* GetClass(unsigned int)':
vcdevice.h:55: error: `PVideoOutputDeviceRGB' undeclared (first use this
function)
vcdevice.h:55: error: (Each undeclared identifier is reported only once for
each function it appears in.)
vcdevice.h:55: error: syntax error before `::' token
vcdevice.h:55: error: incomplete type 'VCDevice' cannot be used to name a scope
vcdevice.h: At global scope:
vcdevice.h:55: error: virtual outside class declaration
vcdevice.h:55: error: non-member function `BOOL IsClass(const char*)' cannot
have `const' method qualifier
vcdevice.h: In function `BOOL IsClass(const char*)':
vcdevice.h:55: error: incomplete type 'VCDevice' cannot be used to name a scope
vcdevice.h: At global scope:
vcdevice.h:55: error: virtual outside class declaration
vcdevice.h:55: error: non-member function `BOOL IsDescendant(const char*)'
cannot have `const' method qualifier
vcdevice.h: In function `BOOL IsDescendant(const char*)':
vcdevice.h:55: error: incomplete type 'VCDevice' cannot be used to name a scope
vcdevice.h:55: error: syntax error before `::' token
vcdevice.h:55: warning: no return statement in function returning non-void
vcdevice.h: At global scope:
vcdevice.h:55: error: syntax error before `(' token
vcdevice.h:60: error: syntax error before `*' token
vcdevice.h:61: error: syntax error before `int'
vcdevice.h:62: error: destructors must be member functions
vcdevice.h:65: error: virtual outside class declaration
vcdevice.h:66: error: virtual outside class declaration
vcdevice.h: In function `BOOL IsOpen()':
vcdevice.h:66: error: `GetFrameWidth' undeclared (first use this function)
vcdevice.h: At global scope:
vcdevice.h:67: error: virtual outside class declaration
vcdevice.h:67: error: non-member function `PStringList GetDeviceNames()' cannot
have `const' method qualifier
vcdevice.h:68: error: virtual outside class declaration
vcdevice.h:70: error: syntax error before `private'
vcdevice.h:91: error: syntax error before `}' token
/usr/include/ptlib/pdirect.h:458: warning: inline function `static BOOL
PDirectory::Remove(const PString&)' used but never defined
make[2]: *** [videoconference_part.lo] Error 1
make[2]: Leaving directory `/tmp/video_conference-0.2/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/video_conference-0.2'
make: *** [all] Error 2

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Re: Video Conference - not Konference
by uga on Thursday 17/Jul/2003, @07:50

> vcdevice.h:54: error: syntax error before `{' token

Your problem is the same as mine. In that line it's trying to inherit from class PVideoOutputDeviceRGB which doesn't exist in your headers (pwlib 1.4.x probably?) That's why you get the error.

If you install version 1.5 of pwlib it _should_ compile fine.

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Re: Video Conference - not Konference
by None on Monday 28/Jul/2003, @02:49

Congratulations for the port of GnomeMeeting! Are there screenshots?
That will show the KDE superiority again!

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