Description of the issue

AudioPreRoll usacExtElementUseDefaultLength is 1 but only 0 is allowed

References

ISO IEC 23003-3 (USAC):
usacExtElementUseDefaultLength: "if pre-roll data is present, this UsacFrame() shall start with the following bit sequence: [...] “0”: usacExtElementUseDefaultLength"

Possible solution/action

ISO IEC 23003-3:
Fix the encoder in order to set usacExtElementUseDefaultLength value to 0 when used for AudioPreRoll, then reencode the content.

Severity

Error