I have the quagga.d.ts file in the app folder and the following import statements in the component: import Quagga from './quagga.d'; The guide says from ' But cheaper devices often have problems focusing when using the live stream. I don't like this answer, sometimes you really need a FileInputStream because you need methods from its API like getChannel() for example, and he didn't asked if it is a good idea or not to use an InputStream, just if it is possible or not to create a file input stream from an input stream. Input stream identifier. The method returns an HRESULT. The method fills the structure with information about the input stream. Quagga makes use of many modern Web-APIs which are not implemented by all browsers yet. pStreamInfo. I'm trying to use QuaggaJS with Angular 2. Pointer to an MFT_INPUT_STREAM_INFO structure. I am a newbie to HTML/Javascript Language.I am trying to implement quaggaJS barcode scanner Using the live-stream into my HTML page. File-based barcode-input . Quagga.stop() works in most cases but it's not reliable because sometimes the canvas will turn black. To get the list of stream identifiers, call IMFTransform::GetStreamIDs. The drill-down shows that the localization step consumes most of the time (55.6 %), followed by reading the input stream (28.4 %) and finally by decoding (3.7 %). Using static image files . its working fine but what i want is to get the result on input field.Below is my input field: Click the button next to the input-field to start scanning an EAN-13 barcode I am trying to implement quaggaJS barcode scanner Using the live-stream into my HTML page. This is the preferred mode of using QuaggaJS. I am a newbie to HTML/Javascript Language. its working fine but what i want is to get the result on input field. I guess this is due the behavior of the stop() method: the decoder does not process any more images. Return value. This example shows the capabilities of QuaggaJS using images taken under various conditions. InputStream input = new FileInputStream("input.txt"); To read data from the input.txt file, we have implemented these two methods. File-based Example showcasing an input field for barcodes; Video-based Example showcasing the use of multiple readers; Demo with sample images; Demo with live-stream using getUserMedia; Demo with file-input showcasing a use for mobile; Scan barcode to input-field. In the above example, we have created an input stream using the FileInputStream class. Additionally, if a camera-stream was requested upon initialization, … ... if a camera-stream was requested upon initialization, this operation also disconnects the camera. I marked each step of the pipeline in a different color; green is the first, blue the second and red the third one. 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