VideoFrameProcessor
@microblink/blinkid / VideoFrameProcessor
Class: VideoFrameProcessor
VideoFrameProcessor captures frames from video or image sources using either 2D or WebGL2 rendering
Constructors
Constructor
new VideoFrameProcessor(
options?):VideoFrameProcessor
Creates a new VideoFrameProcessor.
Parameters
options?
VideoFrameProcessorInitOptions
The options for the VideoFrameProcessor.
Returns
VideoFrameProcessor
Methods
dispose()
dispose():
void
Clean up resources.
Returns
void
getCurrentImageData()
getCurrentImageData():
ImageData
Used to get the current ImageData object with the current buffer. Useful
when you need to get the same ImageData object multiple times after the
original ImageData buffer has been detached
Returns
ImageData
ImageData object with the current buffer
getImageData()
getImageData(
source,area?):ImageData
Extracts image data from a source element.
Parameters
source
The source element to extract image data from.
area?
The extraction area.
Returns
ImageData
The image data.
isBufferDetached()
isBufferDetached():
boolean
Used to check if the processor owns the buffer.
Returns
boolean
true if the processor owns the buffer, false otherwise.
reattachArrayBuffer()
reattachArrayBuffer(
arrayBuffer):void
Returns ownership of an ArrayBuffer to the processor for reuse.
This should only be called with ArrayBuffers that were originally from this processor. Typically used after transferring the buffer to/from a worker.
Parameters
arrayBuffer
ArrayBufferLike
The array buffer to reattach.
Returns
void