Interface FrameCallback
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- All Superinterfaces:
android.os.Parcelable
- All Known Subinterfaces:
CurrentImageListener
public interface FrameCallback extends android.os.Parcelable
Callback that will be invoked fromFrameGrabberRecognizer
when it receives new frame for processing.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
onFrameAvailable(Image cameraFrame, boolean isFocused, double frameQuality)
Called whenFrameGrabberRecognizer
received new frame for processing.
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Method Detail
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onFrameAvailable
void onFrameAvailable(@Nullable Image cameraFrame, boolean isFocused, double frameQuality)
Called whenFrameGrabberRecognizer
received new frame for processing. Note that all buffers associated with image are available only during life of this method. As soon as this method exits, there is no guarantee that buffers will be valid. If you need to store image for later processing, showing or saving, make sure you create a copy of it withImage.clone()
.- Parameters:
cameraFrame
- TheImage
containing frame that will be processed.isFocused
- Information whether or not given frame is considered to be in focus. This information is calculated on the basis of frame quality estimation algorithm combined with information about actual frame that was provided by camera device.frameQuality
- A number indicating calculated quality of given frame. This number is non-negative, however it's maximum is not defined - the higher the number is, the better the observed quality of frame is.
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