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August 29, 2008 08:05pm pdt
 
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problem with openCV - LNK2001: unresolved external symbol

Tags: opencv
hullo (and thanks in advance for helping me with this),

i'm very new to this so i'm hoping you'll bear with me:

i'm having problems getting a simple code to link.
i've already downloaded the openCV package and included the cvcam\include and opencv\lib files under tools>options>directories
i created a console application workspace and tried this code out to see if it could link:

#include <stdio.h>
#include <cvcam.h>

void main()
{
      int* out;
      int nselected = cvcamSelectCamera(&out);
      if(nselected>0)
            printf("the 1-st selected camera is camera number %d", out[0]);
      if(nselected==2)
            printf("the 2-nd selected camera is camera number %d", out[1]);
      return;
}

but  i picked up the following errors:

Compiling...
wc1p1.cpp
Linking...
wc1p1.obj : error LNK2001: unresolved external symbol _cvcamSelectCamera
Debug/wc1.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

wc1.exe - 2 error(s), 0 warning(s)

thanks again!
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Question Stats
Zone: Programming
Question Asked By: astur1983
Solution Provided By: OnegaZhang
Participating Experts: 1
Solution Grade: A
Views: 0
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Rank: Master

Accepted Solution by OnegaZhang:

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[+][-]Author Comment by astur1983
Author Comment by astur1983:

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