Allowed to enable zoom
See original GitHub issueFor some small sized datamatrix or qrcode, base zoom is not enougth to read them easily. Is it possible to enable the zoom with a parameter for the function decodeFromInputVideoDevice ? Below an example of zoom implementation that works in BrowserCodeReader.js / BrowserCodeReader.prototype.decodeFromInputVideoDevice
....
me.videoElement.play();
const track = stream.getVideoTracks()[0];
me.videoElement.addEventListener('loadedmetadata', (e) => {
window.setTimeout(() => (
onCapabilitiesReady(track.getCapabilities())
), 500);
});
function onCapabilitiesReady(capabilities) {
if (capabilities.zoom) {
track.applyConstraints({
advanced: [{zoom: capabilities.zoom.max}]
})
.catch(e => console.log(e));
}
}
Issue Analytics
- State:
- Created 5 years ago
- Comments:8 (3 by maintainers)
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Top GitHub Comments
Maybe the lib could return the device capabilities if available and allow the user to apply them on the videioTrack. 🤔
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