Gets or sets an audio file packet table information structure for its supporting file types. When setting the structure, the sum of the values of the
m fields must be the same as the total number of frames in all packets. If not, a
param is returned. To ensure this result, get the value of the property and make sure the sum of the three values you set has the same sum as the three values you got.
- iOS 2.0+
- macOS 10.3+
- Mac Catalyst 13.0+
- tvOS 9.0+