Grabber::hasSignalDetected Method |
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| Checks whether a device can be queried if it has a video stream. (Some analog to digital video converters have this property). | ||
| Syntax: | bool hasSignalDetected() const; |
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| Return value: | true, if a device can be queried for a list of available video stream, false otherwise. |
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| Remarks: | This method supersedes Grabber::isSignalDetectedAvailable. |
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| Information: | Introduced in version 3.5 | |
| See also: | Grabber, Grabber::getSignalDetected | |