void SavePlaybackHintsToMovie(FSSpecPtr movieFile)
{
    Movie movie     = NULL;
    Track track     = NULL;
    short resRefNum = 0;
    short resId     = movieInDataForkResID;
    Str255          resName;
    OSErr           err;


    err = OpenMovieFile( movieFile, &resRefNum, fsWrPerm );
    if (err != noErr) goto bailError;

    err = NewMovieFromFile( &movie, resRefNum,
        &resId, resName, newMovieActive, NULL );
    if (err != noErr) goto bailError;

        /* ç≈èâÇÃÉrÉfÉIÉgÉâÉbÉNÇéÊìæ */
    track = GetMovieIndTrackType( movie, 1,
        VisualMediaCharacteristic,
        movieTrackCharacteristic | movieTrackEnabledOnly );
    if ( track == NULL ) goto bailError;

        /* DZÇÃÉÄÅ[ÉrÅ[Ç…çƒê∂ÉqÉìÉgÇï€ë∂ */
    SetTrackLoadSettings( track, 0, 0, 0, hintsHighQuality );
    err = GetMoviesError();
    if (err != noErr) goto bailError;

        /* DZÇÃÉÄÅ[ÉrÅ[Ç…ëŒÇ∑ÇÈïœçXÇï€ë∂ */
    err = UpdateMovieResource( movie,
        resRefNum, movieInDataForkResID, resName );
    if ( movie != NULL )
    {
        DisposeMovie( movie );
    }
    if ( resRefNum != 0 )
    {
        CloseMovieFile( resRefNum );
    }

bailError:
    ;
}

ÉäÉXÉg 1Å@SetTrackLoadSettings ÇégópǵÇΩçÇïiéøÇÃÇΩÇflÇÃÉqÉìÉgÇÃï€ë∂