// cvSetCaptureProperty callback function implementation
static int
icvSetPropertyCAM_DC1394( CvCaptureCAM_DC1394* capture, int property_id, double value ){
int index=-1;
switch ( property_id ) {
case CV_CAP_PROP_CONVERT_RGB:
return icvSetConvertRGB( capture, value != 0 );
case CV_CAP_PROP_MODE:
return icvSetModeCAM_DC1394( capture, (int) value );
case CV_CAP_PROP_FPS:
return icvSetFrameRateCAM_DC1394( capture, value );
case CV_CAP_PROP_BRIGHTNESS:
index = FEATURE_BRIGHTNESS;
break;
case CV_CAP_PROP_CONTRAST:
index = FEATURE_GAMMA;
break;
case CV_CAP_PROP_SATURATION:
index = FEATURE_SATURATION;
break;
case CV_CAP_PROP_HUE:
index = FEATURE_HUE;
break;
case CV_CAP_PROP_GAIN:
index = FEATURE_GAIN;
break;
default:
index = property_id; // did they pass in a LIBDC1394 feature flag?
break;
}
if(index>=FEATURE_MIN && index<=FEATURE_MAX){
return icvSetFeatureCAM_DC1394(capture, index, (int) value);
}
return 0;
};
// cvSetCaptureProperty callback function implementation
static int
icvSetPropertyCAM_DC1394( CvCaptureCAM_DC1394* capture, int property_id, double value ){
_V_MW_ fprintf(stderr,"icvSetPropertyCAM_DC1394\n");
int index=-1;
switch ( property_id ) {
case CV_CAP_PROP_CONVERT_RGB:
return icvSetConvertRGB( capture, value != 0 );
case CV_CAP_PROP_MODE:
return icvSetModeCAM_DC1394( capture, (int) value );
case CV_CAP_PROP_FPS:
return icvSetFrameRateCAM_DC1394( capture, value );
case CV_CAP_PROP_BRIGHTNESS:
index = FEATURE_BRIGHTNESS;
break;
case CV_CAP_PROP_CONTRAST:
index = FEATURE_GAMMA;
break;
case CV_CAP_PROP_SATURATION:
index = FEATURE_SATURATION;
break;
case CV_CAP_PROP_HUE:
index = FEATURE_HUE;
break;
case CV_CAP_PROP_GAIN:
index = FEATURE_GAIN;
break;
default:
index = property_id; // did they pass in a LIBDC1394 feature flag?
break;
}
if(value == -1) { // special case for setting AUTO
if(index>=FEATURE_MIN && index<=FEATURE_MAX){
return icvSetFeatureCAM_DC1394(capture,
index,
-1
);
}
else return -1;
}
else { // manual settings
/* limitation of the input value */
if (value < 0.0) {
value = 0.0;
} else if (value > 1.0) {
value = 1.0;
}
unsigned int minval=0, maxval=0;
if(dc1394_get_min_value(
((CvCaptureCAM_DC1394 *)capture)->handle,
((CvCaptureCAM_DC1394 *)capture)->camera->node,
index,
&minval) == DC1394_FAILURE){
fprintf(stderr, "error getting min %d value\n", index);
return -1;
}
if(dc1394_get_max_value(
((CvCaptureCAM_DC1394 *)capture)->handle,
((CvCaptureCAM_DC1394 *)capture)->camera->node,
index,
&maxval) == DC1394_FAILURE){
fprintf(stderr, "error getting max %d value\n", index);
return -1;
}
if(index>=FEATURE_MIN && index<=FEATURE_MAX){
return icvSetFeatureCAM_DC1394(capture,
index,
(int)(value * (maxval - minval) + minval)
);
}
else return -1;
}
}