Media source prototypes

SourceBuffer and SourceBufferList presence

Group: Media and DRM · signal map · run it live

// s130 — sig_s130_sourceBuffer
// module cm, stage3, codes 0
//
// measures
//   SourceBuffer SourceBufferList
// reported value
//   []
//
// 0 owned helpers inlined below.

// agent.clean.js:5808
function sig_s130_sourceBuffer() {
  return { s: 0, v: [typeof SourceBuffer, typeof SourceBufferList] };
}