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127 lines
3.5 KiB
Python
127 lines
3.5 KiB
Python
# pycmx
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# (c) 2018 Jamie Hardt
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from .transition import Transition
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from .channel_map import ChannelMap
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from .parse_cmx_statements import StmtEffectsName
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class Edit:
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"""
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An individual source-to-record operation, with a source roll, source and
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recorder timecode in and out, a transition and channels.
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"""
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def __init__(self, edit_statement, audio_ext_statement, clip_name_statement, source_file_statement, trans_name_statement = None):
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self.edit_statement = edit_statement
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self.audio_ext = audio_ext_statement
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self.clip_name_statement = clip_name_statement
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self.source_file_statement = source_file_statement
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self.trans_name_statement = trans_name_statement
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@property
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def line_number(self):
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"""
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Get the line number for the "standard form" statement associated with
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this edit. Line numbers a zero-indexed, such that the
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"TITLE:" record is line zero.
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"""
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return self.edit_statement.line_number
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@property
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def channels(self):
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"""
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Get the :obj:`ChannelMap` object associated with this Edit.
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"""
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cm = ChannelMap()
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cm._append_event(self.edit_statement.channels)
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if self.audio_ext != None:
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cm._append_ext(self.audio_ext)
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return cm
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@property
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def transition(self):
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"""
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Get the :obj:`Transition` object associated with this edit.
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"""
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if self.trans_name_statement:
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return Transition(self.edit_statement.trans, self.edit_statement.trans_op, self.trans_name_statement.name)
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else:
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return Transition(self.edit_statement.trans, self.edit_statement.trans_op, None)
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@property
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def source_in(self):
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"""
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Get the source in timecode.
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"""
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return self.edit_statement.source_in
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@property
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def source_out(self):
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"""
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Get the source out timecode.
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"""
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return self.edit_statement.source_out
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@property
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def record_in(self):
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"""
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Get the record in timecode.
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"""
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return self.edit_statement.record_in
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@property
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def record_out(self):
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"""
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Get the record out timecode.
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"""
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return self.edit_statement.record_out
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@property
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def source(self):
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"""
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Get the source column. This is the 8, 32 or 128-character string on the
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event record line, this usually references the tape name of the source.
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"""
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return self.edit_statement.source
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@property
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def black(self):
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"""
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Black video or silence should be used as the source for this event.
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"""
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return self.source == "BL"
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@property
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def aux_source(self):
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"""
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An auxiliary source is the source of this event.
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"""
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return self.source == "AX"
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@property
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def source_file(self):
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"""
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Get the source file, as attested by a "* SOURCE FILE" remark on the
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EDL. This will return None if the information is not present.
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"""
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if self.source_file_statement is None:
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return None
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else:
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return self.source_file_statement.filename
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@property
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def clip_name(self):
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"""
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Get the clip name, as attested by a "* FROM CLIP NAME" or "* TO CLIP
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NAME" remark on the EDL. This will return None if the information is
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not present.
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"""
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if self.clip_name_statement is None:
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return None
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else:
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return self.clip_name_statement.name
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