MP_ENVELOPE_SEGMENT Structure

The MP_ENVELOPE_SEGMENT structure defines an envelope segment used by an envelope-following parameter.

Syntax

typedef struct _MP_ENVELOPE_SEGMENT {
    REFERENCE_TIME   rtStart;
    REFERENCE_TIME   rtEnd;
    MP_DATA          valStart;
    MP_DATA          valEnd;
    MP_CURVE_TYPE    iCurve;
    MP_FLAGS         flags;
} MP_ENVELOPE_SEGMENT;

Members

rtStart

Start time of the segment, relative to the time stamp on the first buffer, in 100-nanosecond units.

rtEnd

Stop time of the segment, relative to the time stamp on the first buffer, in 100-nanosecond units.

valStart

Initial value of the parameter, at the start of the segment.

valEnd

Final value of the parameter, at the end of the segment.

iCurve

Member of the MP_CURVE_TYPE enumerated type that specifies the curve followed by the parameter.

flags

Specifies one of the following flags.

See Also

• DMO Structures