code: function(data) {
        var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
        return {
          dataReferenceIndex: view.getUint16(6),
          width: view.getUint16(24),
          height: view.getUint16(26),
          horizresolution: view.getUint16(28) + (view.getUint16(30) / 16),
          vertresolution: view.getUint16(32) + (view.getUint16(34) / 16),
          frameCount: view.getUint16(40),
          depth: view.getUint16(74),
          config: inspectMp4(data.subarray(78, data.byteLength))
        };
      }
docs: codingname, not a first-class box type. stsd entries share the same format as real boxes so the parsing infrastructure can be shared