Function parseInitDataFromContentProtection

parseInitDataFromContentProtection(
cpData: ContentProtection,
BASE64: { decodeArray: (input: string) => Uint8Array },
): ArrayBuffer | null
Parse a standard common encryption PSSH which contains a simple base64-encoding of the init data
Parameters
- cpData: ContentProtection
  The ContentProtection element that may contain PSSH data.
- BASE64: { decodeArray: (input: string) => Uint8Array }
  The BASE64 reference.
Returns ArrayBuffer | null
init data as an ArrayBuffer, or null if not found.
Example
```
const expected = base64Decode(cpData.pssh)
const result = parseInitDataFromContentProtection(cpData, BASE64)

strictEqual(result?.byteLength, expected.byteLength)
```
- Defined in cenc/parseInitDataFromContentProtection.ts:16