Interactive Movies: Movie Controller Actions

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Movie Controller Actions

mcActionDoScript allows a movie to send requests to execute scripts of various sorts to a host application. The parameter is of type QTDoScriptPtr.

struct QTDoScriptRecord {

        long scriptTypeFlags;

        char *command;

        char *arguments;

};

typedef QTDoScriptRecord *QTDoScriptPtr;

These are the constants currently defined for the scriptTypeFlags field:

enum {

        kScriptIsUnknownType = 1L << 0

        kScriptIsJavaScript = 1L << 1,

        kScriptIsLingoEvent = 1L << 2,

        kScriptIsVBEvent = 1L << 3,

        kScriptIsProjectorCommand = 1L << 4

};

For more information, see the explanation above of the new wired action kActionDoScript.

mcActionRestartAtTime

This allows a movie to be restarted at a particular time and rate.

The parameter is a QTRestartAtTimePtr.

struct QTRestartAtTimeRecord {

    TimeValue       startTime;  /* time scale is the movie timescale*/

    Fixed           rate;       /* if rate is 0, the movie's current

                                rate is maintained*/

};

typedef struct QTRestartAtTimeRecord QTRestartAtTimeRecord;

typedef QTRestartAtTimeRecord *QTRestartAtTimePtr;

For more information, see the explanation above of the new wired action kActionMovieRestartAtTime.

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Last updated: 2002-10-01

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