Moves the cursor by a given delta time on the decode timeline.
- macOS 10.10+
The amount of time to move in the decode timeline.
If the beginning or the end of the sample sequence was reached before the requested
deltawas traversed, the Boolean value at the address specified by
outis set to
YES. May be
NULLif this information isn't desired.
The amount of time the cursor was moved along the decode timeline. Because sample cursors snap to sample boundaries when stepped, this value may not be equal to
delta even if the cursor was not pinned.