parse-sample-flags.js 417 B

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  1. "use strict";
  2. var parseSampleFlags = function parseSampleFlags(flags) {
  3. return {
  4. isLeading: (flags[0] & 0x0c) >>> 2,
  5. dependsOn: flags[0] & 0x03,
  6. isDependedOn: (flags[1] & 0xc0) >>> 6,
  7. hasRedundancy: (flags[1] & 0x30) >>> 4,
  8. paddingValue: (flags[1] & 0x0e) >>> 1,
  9. isNonSyncSample: flags[1] & 0x01,
  10. degradationPriority: flags[2] << 8 | flags[3]
  11. };
  12. };
  13. module.exports = parseSampleFlags;