@svta/common-media-library
Version:
A common library for media playback in JavaScript
28 lines • 884 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.readInt = readInt;
function readInt(dataView, offset, size) {
let result = NaN;
const cursor = offset - dataView.byteOffset;
switch (size) {
case 1:
result = dataView.getInt8(cursor);
break;
case 2:
result = dataView.getInt16(cursor);
break;
case 4:
result = dataView.getInt32(cursor);
break;
case 8:
// Warning: JavaScript cannot handle 64-bit integers natively.
// This will give unexpected results for integers >= 2^53
const s1 = dataView.getInt32(cursor);
const s2 = dataView.getInt32(cursor + 4);
result = (s1 * Math.pow(2, 32)) + s2;
break;
}
return result;
}
;
//# sourceMappingURL=readInt.js.map