383 lines
16 KiB
Python
383 lines
16 KiB
Python
# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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#error missing SetActionFilter
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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'Movies.h' # The Apple header file
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MODNAME = '_Qt' # The name of the module
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OBJECTNAME = 'Movie' # The basic name of the objects used here
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'Qt' # The prefix for module-wide routines
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OBJECTTYPE = "Movie" # The C type used to represent them
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OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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# Create the type objects
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includestuff = includestuff + """
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#include <QuickTime/QuickTime.h>
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#ifdef USE_TOOLBOX_OBJECT_GLUE
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extern PyObject *_TrackObj_New(Track);
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extern int _TrackObj_Convert(PyObject *, Track *);
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extern PyObject *_MovieObj_New(Movie);
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extern int _MovieObj_Convert(PyObject *, Movie *);
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extern PyObject *_MovieCtlObj_New(MovieController);
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extern int _MovieCtlObj_Convert(PyObject *, MovieController *);
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extern PyObject *_TimeBaseObj_New(TimeBase);
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extern int _TimeBaseObj_Convert(PyObject *, TimeBase *);
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extern PyObject *_UserDataObj_New(UserData);
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extern int _UserDataObj_Convert(PyObject *, UserData *);
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extern PyObject *_MediaObj_New(Media);
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extern int _MediaObj_Convert(PyObject *, Media *);
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#define TrackObj_New _TrackObj_New
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#define TrackObj_Convert _TrackObj_Convert
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#define MovieObj_New _MovieObj_New
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#define MovieObj_Convert _MovieObj_Convert
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#define MovieCtlObj_New _MovieCtlObj_New
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#define MovieCtlObj_Convert _MovieCtlObj_Convert
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#define TimeBaseObj_New _TimeBaseObj_New
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#define TimeBaseObj_Convert _TimeBaseObj_Convert
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#define UserDataObj_New _UserDataObj_New
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#define UserDataObj_Convert _UserDataObj_Convert
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#define MediaObj_New _MediaObj_New
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#define MediaObj_Convert _MediaObj_Convert
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#endif
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/* Macro to allow us to GetNextInterestingTime without duration */
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#define GetMediaNextInterestingTimeOnly(media, flags, time, rate, rv) \
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GetMediaNextInterestingTime(media, flags, time, rate, rv, NULL)
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/*
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** Parse/generate time records
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*/
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static PyObject *
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QtTimeRecord_New(TimeRecord *itself)
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{
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if (itself->base)
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return Py_BuildValue("O&lO&", PyMac_Buildwide, &itself->value, itself->scale,
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TimeBaseObj_New, itself->base);
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else
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return Py_BuildValue("O&lO", PyMac_Buildwide, &itself->value, itself->scale,
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Py_None);
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}
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static int
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QtTimeRecord_Convert(PyObject *v, TimeRecord *p_itself)
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{
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PyObject *base = NULL;
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if( !PyArg_ParseTuple(v, "O&l|O", PyMac_Getwide, &p_itself->value, &p_itself->scale,
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&base) )
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return 0;
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if ( base == NULL || base == Py_None )
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p_itself->base = NULL;
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else
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if ( !TimeBaseObj_Convert(base, &p_itself->base) )
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return 0;
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return 1;
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}
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static int
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QtMusicMIDIPacket_Convert(PyObject *v, MusicMIDIPacket *p_itself)
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{
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int dummy;
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if( !PyArg_ParseTuple(v, "hls#", &p_itself->length, &p_itself->reserved, p_itself->data, dummy) )
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return 0;
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return 1;
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}
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"""
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initstuff = initstuff + """
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PyMac_INIT_TOOLBOX_OBJECT_NEW(Track, TrackObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Track, TrackObj_Convert);
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PyMac_INIT_TOOLBOX_OBJECT_NEW(Movie, MovieObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Movie, MovieObj_Convert);
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PyMac_INIT_TOOLBOX_OBJECT_NEW(MovieController, MovieCtlObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(MovieController, MovieCtlObj_Convert);
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PyMac_INIT_TOOLBOX_OBJECT_NEW(TimeBase, TimeBaseObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(TimeBase, TimeBaseObj_Convert);
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PyMac_INIT_TOOLBOX_OBJECT_NEW(UserData, UserDataObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(UserData, UserDataObj_Convert);
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PyMac_INIT_TOOLBOX_OBJECT_NEW(Media, MediaObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Media, MediaObj_Convert);
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"""
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# Our (opaque) objects
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Movie = OpaqueByValueType('Movie', 'MovieObj')
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NullMovie = FakeType("(Movie)0")
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Track = OpaqueByValueType('Track', 'TrackObj')
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Media = OpaqueByValueType('Media', 'MediaObj')
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UserData = OpaqueByValueType('UserData', 'UserDataObj')
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TimeBase = OpaqueByValueType('TimeBase', 'TimeBaseObj')
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MovieController = OpaqueByValueType('MovieController', 'MovieCtlObj')
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IdleManager = OpaqueByValueType('IdleManager', 'IdleManagerObj')
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SGOutput = OpaqueByValueType('SGOutput', 'SGOutputObj')
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# Other opaque objects
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Component = OpaqueByValueType('Component', 'CmpObj')
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MediaHandlerComponent = OpaqueByValueType('MediaHandlerComponent', 'CmpObj')
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DataHandlerComponent = OpaqueByValueType('DataHandlerComponent', 'CmpObj')
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CompressorComponent = OpaqueByValueType('CompressorComponent', 'CmpObj')
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DecompressorComponent = OpaqueByValueType('DecompressorComponent', 'CmpObj')
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CodecComponent = OpaqueByValueType('CodecComponent', 'CmpObj')
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# Despite their names, these are all ComponentInstance types
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GraphicsImportComponent = OpaqueByValueType('GraphicsImportComponent', 'CmpInstObj')
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GraphicsExportComponent = OpaqueByValueType('GraphicsExportComponent', 'CmpInstObj')
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ImageTranscoderComponent = OpaqueByValueType('ImageTranscoderComponent', 'CmpInstObj')
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MovieImportComponent = OpaqueByValueType('MovieImportComponent', 'CmpInstObj')
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MovieExportComponent = OpaqueByValueType('MovieExportComponent', 'CmpInstObj')
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TextExportComponent = OpaqueByValueType('TextExportComponent', 'CmpInstObj')
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GraphicImageMovieImportComponent = OpaqueByValueType('GraphicImageMovieImportComponent', 'CmpInstObj')
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pnotComponent = OpaqueByValueType('pnotComponent', 'CmpInstObj')
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# DataCompressorComponent, DataDecompressorComponent would go here
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DataCodecComponent = OpaqueByValueType('DataCodecComponent', 'CmpInstObj')
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TweenerComponent = OpaqueByValueType('TweenerComponent', 'CmpInstObj')
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QTVideoOutputComponent = OpaqueByValueType('QTVideoOutputComponent', 'CmpInstObj')
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SeqGrabComponent = OpaqueByValueType('SeqGrabComponent', 'CmpInstObj')
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VideoDigitizerComponent = OpaqueByValueType('VideoDigitizerComponent', 'CmpInstObj')
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ComponentInstance = OpaqueByValueType('ComponentInstance', 'CmpInstObj')
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MediaHandler = OpaqueByValueType('MediaHandler', 'CmpInstObj')
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DataHandler = OpaqueByValueType('DataHandler', 'CmpInstObj')
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SGChannel = OpaqueByValueType('SGChannel', 'CmpInstObj')
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TunePlayer = OpaqueByValueType('TunePlayer', 'CmpInstObj')
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MusicComponent = OpaqueByValueType('MusicComponent', 'CmpInstObj')
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NoteAllocator = OpaqueByValueType('NoteAllocator', 'CmpInstObj')
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QTMIDIComponent = OpaqueByValueType('QTMIDIComponent', 'CmpInstObj')
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ConstFSSpecPtr = FSSpec_ptr
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GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
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Byte = Boolean # XXXX For GetPaused and SetPaused
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RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
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PicHandle = OpaqueByValueType("PicHandle", "ResObj")
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CTabHandle = OpaqueByValueType("CTabHandle", "ResObj")
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PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj")
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SampleDescriptionHandle = OpaqueByValueType("SampleDescriptionHandle", "ResObj")
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ImageDescriptionHandle = OpaqueByValueType("ImageDescriptionHandle", "ResObj")
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TextDescriptionHandle = OpaqueByValueType("TextDescriptionHandle", "ResObj")
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TEHandle = OpaqueByValueType("TEHandle", "ResObj")
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CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
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GDHandle = OpaqueByValueType("GDHandle", "OptResObj")
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AliasHandle = OpaqueByValueType("AliasHandle", "ResObj")
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SoundDescriptionHandle = OpaqueByValueType("SoundDescriptionHandle", "ResObj")
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VdigBufferRecListHandle = OpaqueByValueType("VdigBufferRecListHandle", "ResObj")
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VDCompressionListHandle = OpaqueByValueType("VDCompressionListHandle", "ResObj")
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TimeCodeDescriptionHandle = OpaqueByValueType("TimeCodeDescriptionHandle", "ResObj")
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DataHFileTypeOrderingHandle = OpaqueByValueType("DataHFileTypeOrderingHandle", "ResObj")
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QTMIDIPortListHandle = OpaqueByValueType("QTMIDIPortListHandle", "ResObj")
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GenericKnobDescriptionListHandle = OpaqueByValueType("GenericKnobDescriptionListHandle", "ResObj")
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InstrumentInfoListHandle = OpaqueByValueType("InstrumentInfoListHandle", "ResObj")
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# Silly Apple, passing an OStype by reference...
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OSType_ptr = OpaqueType("OSType", "PyMac_BuildOSType", "PyMac_GetOSType")
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# And even sillier: passing floats by address
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float_ptr = ByAddressType("float", "f")
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RGBColor = OpaqueType("RGBColor", "QdRGB")
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RGBColor_ptr = RGBColor
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TimeRecord = OpaqueType("TimeRecord", "QtTimeRecord")
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TimeRecord_ptr = TimeRecord
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MusicMIDIPacket = OpaqueType("MusicMIDIPacket", "QtMusicMIDIPacket")
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MusicMIDIPacket_ptr = MusicMIDIPacket
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# Non-opaque types, mostly integer-ish
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TimeValue = Type("TimeValue", "l")
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TimeScale = Type("TimeScale", "l")
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TimeBaseFlags = Type("TimeBaseFlags", "l")
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QTCallBackFlags = Type("QTCallBackFlags", "H")
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TimeBaseStatus = Type("TimeBaseStatus", "l")
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QTCallBackType = Type("QTCallBackType", "H")
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nextTimeFlagsEnum = Type("nextTimeFlagsEnum", "H")
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createMovieFileFlagsEnum = Type("createMovieFileFlagsEnum", "l")
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movieFlattenFlagsEnum = Type("movieFlattenFlagsEnum", "l")
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dataRefAttributesFlags = Type("dataRefAttributesFlags", "l")
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playHintsEnum = Type("playHintsEnum", "l")
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mediaHandlerFlagsEnum = Type("mediaHandlerFlagsEnum", "l")
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ComponentResult = Type("ComponentResult", "l")
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VideoDigitizerError = Type("ComponentResult", "l")
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HandlerError = Type("HandlerError", "l")
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Ptr = InputOnlyType("Ptr", "s")
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StringPtr = Type("StringPtr", "s")
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UnsignedLongPtr = Type("unsigned long *", "s")
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mcactionparams = InputOnlyType("void *", "s")
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QTParameterDialog = Type("QTParameterDialog", "l")
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QTAtomID = Type("QTAtomID", "l")
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MCInterfaceElement = Type("MCInterfaceElement", "l")
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CodecType = OSTypeType("CodecType")
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GWorldPtr = OpaqueByValueType("GWorldPtr", "GWorldObj")
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QTFloatSingle = Type("QTFloatSingle", "f")
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CodecQ = Type("CodecQ", "l")
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MusicController = Type("MusicController", "l")
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# Could-not-be-bothered-types (NewMovieFromFile)
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dummyshortptr = FakeType('(short *)0')
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dummyStringPtr = FakeType('(StringPtr)0')
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# Not-quite-sure-this-is-okay types
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AtomicInstrument = OpaqueByValueType("AtomicInstrument", "ResObj")
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AtomicInstrumentPtr = InputOnlyType("AtomicInstrumentPtr", "s")
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# XXXX Need to override output_tp_newBody() to allow for None initializer.
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class QtGlobalObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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def outputCheckNewArg(self):
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# We don't allow NULL pointers to be returned by QuickTime API calls,
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# in stead we raise an exception
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Output("""if (itself == NULL) {
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PyErr_SetString(Qt_Error,"Cannot create %s from NULL pointer");
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return NULL;
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}""", self.name)
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def outputCheckConvertArg(self):
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# But what we do allow is passing None whereever a quicktime object is
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# expected, and pass this as NULL to the API routines. Note you can
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# call methods too by creating an object with None as the initializer.
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Output("if (v == Py_None)")
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OutLbrace()
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Output("*p_itself = NULL;")
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Output("return 1;")
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OutRbrace()
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class MovieObjectDefinition(QtGlobalObjectDefinition):
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def outputFreeIt(self, itselfname):
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Output("if (%s) DisposeMovie(%s);", itselfname, itselfname)
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class TrackObjectDefinition(QtGlobalObjectDefinition):
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def outputFreeIt(self, itselfname):
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Output("if (%s) DisposeMovieTrack(%s);", itselfname, itselfname)
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class MediaObjectDefinition(QtGlobalObjectDefinition):
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def outputFreeIt(self, itselfname):
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Output("if (%s) DisposeTrackMedia(%s);", itselfname, itselfname)
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class UserDataObjectDefinition(QtGlobalObjectDefinition):
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def outputFreeIt(self, itselfname):
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Output("if (%s) DisposeUserData(%s);", itselfname, itselfname)
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class TimeBaseObjectDefinition(QtGlobalObjectDefinition):
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pass
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class MovieCtlObjectDefinition(QtGlobalObjectDefinition):
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def outputFreeIt(self, itselfname):
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Output("if (%s) DisposeMovieController(%s);", itselfname, itselfname)
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class IdleManagerObjectDefinition(QtGlobalObjectDefinition):
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pass
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class SGOutputObjectDefinition(QtGlobalObjectDefinition):
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# XXXX I'm not sure I fully understand how SGOutput works. It seems it's always tied
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# to a specific SeqGrabComponent, but I'm not 100% sure. Also, I'm not sure all the
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# routines that return an SGOutput actually return a *new* SGOutput. Need to read up on
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# this.
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pass
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# From here on it's basically all boiler plate...
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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Movie_object = MovieObjectDefinition('Movie', 'MovieObj', 'Movie')
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Track_object = TrackObjectDefinition('Track', 'TrackObj', 'Track')
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Media_object = MediaObjectDefinition('Media', 'MediaObj', 'Media')
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UserData_object = UserDataObjectDefinition('UserData', 'UserDataObj', 'UserData')
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TimeBase_object = TimeBaseObjectDefinition('TimeBase', 'TimeBaseObj', 'TimeBase')
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MovieController_object = MovieCtlObjectDefinition('MovieController', 'MovieCtlObj', 'MovieController')
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IdleManager_object = IdleManagerObjectDefinition('IdleManager', 'IdleManagerObj', 'IdleManager')
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SGOutput_object = SGOutputObjectDefinition('SGOutput', 'SGOutputObj', 'SGOutput')
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module.addobject(IdleManager_object)
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module.addobject(MovieController_object)
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module.addobject(TimeBase_object)
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module.addobject(UserData_object)
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module.addobject(Media_object)
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module.addobject(Track_object)
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module.addobject(Movie_object)
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module.addobject(SGOutput_object)
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# Test which types we are still missing.
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execfile(string.lower(MODPREFIX) + 'typetest.py')
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# Create the generator classes used to populate the lists
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Function = OSErrWeakLinkFunctionGenerator
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Method = OSErrWeakLinkMethodGenerator
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# Create and populate the lists
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functions = []
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IdleManager_methods = []
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MovieController_methods = []
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TimeBase_methods = []
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UserData_methods = []
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Media_methods = []
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Track_methods = []
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Movie_methods = []
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SGOutput_methods = []
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execfile(INPUTFILE)
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#
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# Some functions from ImageCompression.h that we need:
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ICMAlignmentProcRecordPtr = FakeType('(ICMAlignmentProcRecordPtr)0')
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dummyRect = FakeType('(Rect *)0')
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f = Function(void, 'AlignWindow',
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(WindowPtr, 'wp', InMode),
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(Boolean, 'front', InMode),
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(dummyRect, 'alignmentRect', InMode),
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(ICMAlignmentProcRecordPtr, 'alignmentProc', InMode),
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)
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functions.append(f)
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f = Function(void, 'DragAlignedWindow',
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(WindowPtr, 'wp', InMode),
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(Point, 'startPt', InMode),
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(Rect_ptr, 'boundsRect', InMode),
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(dummyRect, 'alignmentRect', InMode),
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(ICMAlignmentProcRecordPtr, 'alignmentProc', InMode),
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)
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functions.append(f)
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# And we want the version of MoviesTask without a movie argument
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f = Function(void, 'MoviesTask',
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(NullMovie, 'theMovie', InMode),
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(long, 'maxMilliSecToUse', InMode),
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)
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functions.append(f)
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# And we want a GetMediaNextInterestingTime without duration
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f = Method(void, 'GetMediaNextInterestingTimeOnly',
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(Media, 'theMedia', InMode),
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(short, 'interestingTimeFlags', InMode),
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(TimeValue, 'time', InMode),
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(Fixed, 'rate', InMode),
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(TimeValue, 'interestingTime', OutMode),
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)
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Media_methods.append(f)
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# add the populated lists to the generator groups
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# (in a different wordl the scan program would generate this)
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for f in functions: module.add(f)
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for f in MovieController_methods: MovieController_object.add(f)
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for f in TimeBase_methods: TimeBase_object.add(f)
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for f in UserData_methods: UserData_object.add(f)
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for f in Media_methods: Media_object.add(f)
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for f in Track_methods: Track_object.add(f)
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for f in Movie_methods: Movie_object.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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