// encode the value of a given attribute in a string
bool Value2String(tPvHandle aCamera,const char* aLabel,tPvDatatype aType,char* aString,unsigned long aLength)
{
switch(aType)
{
case ePvDatatypeString:
{
if(!PvAttrStringGet(aCamera,aLabel,aString,aLength,NULL))
return true;
else
return false;
}
case ePvDatatypeEnum:
{
if(!PvAttrEnumGet(aCamera,aLabel,aString,aLength,NULL))
return true;
else
return false;
}
case ePvDatatypeUint32:
{
tPvUint32 lValue;
if(!PvAttrUint32Get(aCamera,aLabel,&lValue))
{
sprintf(aString,"%lu",lValue);
return true;
}
else
return false;
}
case ePvDatatypeFloat32:
{
tPvFloat32 lValue;
if(!PvAttrFloat32Get(aCamera,aLabel,&lValue))
{
sprintf(aString,"%g",lValue);
return true;
}
else
return false;
}
default:
return false;
}
}
double CvCaptureCAM_PvAPI::getProperty( int property_id )
{
tPvUint32 nTemp;
switch ( property_id )
{
case CV_CAP_PROP_FRAME_WIDTH:
PvAttrUint32Get(Camera.Handle, "Width", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_FRAME_HEIGHT:
PvAttrUint32Get(Camera.Handle, "Height", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_EXPOSURE:
PvAttrUint32Get(Camera.Handle,"ExposureValue",&nTemp);
return (double)nTemp;
case CV_CAP_PROP_FPS:
tPvFloat32 nfTemp;
PvAttrFloat32Get(Camera.Handle, "StatFrameRate", &nfTemp);
return (double)nfTemp;
case CV_CAP_PROP_PVAPI_MULTICASTIP:
char mEnable[2];
char mIp[11];
PvAttrEnumGet(Camera.Handle,"MulticastEnable",mEnable,sizeof(mEnable),NULL);
if (strcmp(mEnable, "Off") == 0)
{
return -1;
}
else
{
long int ip;
int a,b,c,d;
PvAttrStringGet(Camera.Handle, "MulticastIPAddress",mIp,sizeof(mIp),NULL);
sscanf(mIp, "%d.%d.%d.%d", &a, &b, &c, &d); ip = ((a*256 + b)*256 + c)*256 + d;
return (double)ip;
}
case CV_CAP_PROP_GAIN:
PvAttrUint32Get(Camera.Handle, "GainValue", &nTemp);
return (double)nTemp;
}
return -1.0;
}
//
// idlPvAttrStringGet
//
// Get the value of a string attribute
//
// command line arguments
// argv[0]: IN/FLAG debug
// argv[1]: IN camera index
// argv[2]: IN attribute name
// argv[3]: OUT attribute value
int idlPvAttrStringGet (int argc, char *argv[])
{
unsigned long n;
unsigned long err;
IDL_STRING *name;
IDL_STRING *value;
debug = *(IDL_INT *) argv[0];
n = *(unsigned long *) argv[1];
name = (IDL_STRING *) argv[2];
value = (IDL_STRING *) argv[3];
CHECKINDEX(n);
err = PvAttrStringGet(camera[n],
(const char *) IDL_STRING_STR(name),
buffer, STRBUFFERSIZE, (unsigned long *) NULL);
IDL_StrStore(value, buffer);
return idlPvErrCode(err);
}
// display info on a given attribute of the camera
void QueryAttribute(const char* aLabel)
{
tPvAttributeInfo lInfo;
if(!PvAttrInfo(GCamera.Handle,aLabel,&lInfo))
{
char lFlags[5];
memset(lFlags,' ',sizeof(char) * 4);
if(lInfo.Flags & ePvFlagRead)
lFlags[0] = 'r';
if(lInfo.Flags & ePvFlagWrite)
lFlags[1] = 'w';
if(lInfo.Flags & ePvFlagVolatile)
lFlags[2] = 'v';
if(lInfo.Flags & ePvFlagConst)
lFlags[3] = 'c';
lFlags[4] = '\0';
printf("%30s (%30s) [%7s][%s]",aLabel,lInfo.Category,DatatypeToString(lInfo.Datatype),lFlags);
switch(lInfo.Datatype)
{
case ePvDatatypeString:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, wich we may not be the case
if(!PvAttrStringGet(GCamera.Handle,aLabel,lValue,128,NULL))
printf(" = %s\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeEnum:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, wich we may not be the case
if(!PvAttrEnumGet(GCamera.Handle,aLabel,lValue,128,NULL))
printf(" = %s\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeUint32:
{
tPvUint32 lValue;
if(!PvAttrUint32Get(GCamera.Handle,aLabel,&lValue))
printf(" = %lu\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeFloat32:
{
tPvFloat32 lValue;
if(!PvAttrFloat32Get(GCamera.Handle,aLabel,&lValue))
printf(" = %f\n",lValue);
else
printf(" = ERROR!\n");
break;
}
default:
printf("\n");
}
}
}
// display info on a given attribute of the camera
void QueryAttribute(const char* aLabel)
{
tPvAttributeInfo lInfo;
if(PvAttrInfo(GCamera.Handle,aLabel,&lInfo) == ePvErrSuccess)
{
char lFlags[5];
memset(lFlags,' ',sizeof(char) * 4);
if(lInfo.Flags & ePvFlagRead)
lFlags[0] = 'r';
if(lInfo.Flags & ePvFlagWrite)
lFlags[1] = 'w';
if(lInfo.Flags & ePvFlagVolatile)
lFlags[2] = 'v';
if(lInfo.Flags & ePvFlagConst)
lFlags[3] = 'c';
lFlags[4] = '\0';
// printf("%30s (%30s) [%7s]{%s}",aLabel,lInfo.Category,DatatypeToString(lInfo.Datatype),lFlags);
// printf("%s/%s = %s [%s]{%s}\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
switch(lInfo.Datatype)
{
case ePvDatatypeString:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, which we may not be the case
if(PvAttrStringGet(GCamera.Handle,aLabel,lValue,128,NULL) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeEnum:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, which we may not be the case
if(PvAttrEnumGet(GCamera.Handle,aLabel,lValue,128,NULL) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeUint32:
{
tPvUint32 lValue;
if(PvAttrUint32Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %lu [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeInt64:
{
tPvInt64 lValue;
if(PvAttrInt64Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %lld [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeFloat32:
{
tPvFloat32 lValue;
if(PvAttrFloat32Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %f [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeBoolean:
{
tPvBoolean lValue;
if(PvAttrBooleanGet(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue ? "true" : "false",DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
default:
//command
printf("%s/%s [%s,%s]\n",lInfo.Category,aLabel,DatatypeToString(lInfo.Datatype),lFlags);
}
}
}
double CvCaptureCAM_PvAPI::getProperty( int property_id ) const
{
tPvUint32 nTemp;
switch ( property_id )
{
case CV_CAP_PROP_FRAME_WIDTH:
PvAttrUint32Get(Camera.Handle, "Width", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_FRAME_HEIGHT:
PvAttrUint32Get(Camera.Handle, "Height", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_MONOCROME:
if (monocrome)
return 1;
else
return 0;
case CV_CAP_PROP_EXPOSURE:
PvAttrUint32Get(Camera.Handle,"ExposureValue",&nTemp);
return (double)nTemp;
case CV_CAP_PROP_FPS:
tPvFloat32 nfTemp;
PvAttrFloat32Get(Camera.Handle, "StatFrameRate", &nfTemp);
return (double)nfTemp;
case CV_CAP_PROP_PVAPI_MULTICASTIP:
char mEnable[2];
char mIp[11];
PvAttrEnumGet(Camera.Handle,"MulticastEnable",mEnable,sizeof(mEnable),NULL);
if (strcmp(mEnable, "Off") == 0)
{
return -1;
}
else
{
long int ip;
int a,b,c,d;
PvAttrStringGet(Camera.Handle, "MulticastIPAddress",mIp,sizeof(mIp),NULL);
sscanf(mIp, "%d.%d.%d.%d", &a, &b, &c, &d); ip = ((a*256 + b)*256 + c)*256 + d;
return (double)ip;
}
case CV_CAP_PROP_GAIN:
PvAttrUint32Get(Camera.Handle, "GainValue", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_PVAPI_FRAMESTARTTRIGGERMODE:
char triggerMode[256];
PvAttrEnumGet(Camera.Handle, "FrameStartTriggerMode", triggerMode, 256, NULL);
if (strcmp(triggerMode, "Freerun")==0)
return 0.0;
else if (strcmp(triggerMode, "SyncIn1")==0)
return 1.0;
else if (strcmp(triggerMode, "SyncIn2")==0)
return 2.0;
else if (strcmp(triggerMode, "FixedRate")==0)
return 3.0;
else if (strcmp(triggerMode, "Software")==0)
return 4.0;
else
return -1.0;
case CV_CAP_PROP_PVAPI_DECIMATIONHORIZONTAL:
PvAttrUint32Get(Camera.Handle, "DecimationHorizontal", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_PVAPI_DECIMATIONVERTICAL:
PvAttrUint32Get(Camera.Handle, "DecimationVertical", &nTemp);
return (double)nTemp;
case CV_CAP_PROP_PVAPI_BINNINGX:
PvAttrUint32Get(Camera.Handle,"BinningX",&nTemp);
return (double)nTemp;
case CV_CAP_PROP_PVAPI_BINNINGY:
PvAttrUint32Get(Camera.Handle,"BinningY",&nTemp);
return (double)nTemp;
}
return -1.0;
}
