mirror of
https://github.com/iluvcapra/pycmx.git
synced 2025-12-31 17:00:53 +00:00
107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
# pycmx
|
|
# (c) 2018-2025 Jamie Hardt
|
|
|
|
from pycmx.statements import (StmtTitle, StmtEvent, StmtUnrecognized,
|
|
StmtSourceUMID)
|
|
from .event import Event
|
|
from .channel_map import ChannelMap
|
|
|
|
from typing import Generator
|
|
|
|
|
|
class EditList:
|
|
"""
|
|
Represents an entire edit decision list as returned by
|
|
:func:`~pycmx.parse_cmx3600()`.
|
|
"""
|
|
|
|
def __init__(self, statements):
|
|
self.title_statement: StmtTitle = statements[0]
|
|
self.event_statements = statements[1:]
|
|
|
|
@property
|
|
def format(self) -> str:
|
|
"""
|
|
The detected format of the EDL. Possible values are: "3600", "File32",
|
|
"File128", and "unknown".
|
|
|
|
Adobe EDLs with more than 999 events will be reported as "3600".
|
|
"""
|
|
first_event = next(
|
|
(s for s in self.event_statements if type(s) is StmtEvent), None)
|
|
|
|
if first_event:
|
|
if first_event.source_field_size == 8:
|
|
return '3600'
|
|
elif first_event.source_field_size == 32:
|
|
return 'File32'
|
|
elif first_event.source_field_size == 128:
|
|
return 'File128'
|
|
else:
|
|
return 'unknown'
|
|
else:
|
|
return 'unknown'
|
|
|
|
@property
|
|
def channels(self) -> ChannelMap:
|
|
"""
|
|
Return the union of every channel channel.
|
|
"""
|
|
|
|
retval = ChannelMap()
|
|
for event in self.events:
|
|
for edit in event.edits:
|
|
retval = retval | edit.channels
|
|
|
|
return retval
|
|
|
|
@property
|
|
def title(self) -> str:
|
|
"""
|
|
The title of this edit list.
|
|
"""
|
|
return self.title_statement.title
|
|
|
|
@property
|
|
def unrecognized_statements(self) -> Generator[StmtUnrecognized,
|
|
None, None]:
|
|
"""
|
|
A generator for all the unrecognized statements in the list.
|
|
"""
|
|
for s in self.event_statements:
|
|
if type(s) is StmtUnrecognized:
|
|
yield s
|
|
|
|
@property
|
|
def events(self) -> Generator[Event, None, None]:
|
|
'A generator for all the events in the edit list'
|
|
current_event_num = None
|
|
event_statements = []
|
|
for stmt in self.event_statements:
|
|
if type(stmt) is StmtEvent:
|
|
if current_event_num is None:
|
|
current_event_num = stmt.event
|
|
event_statements.append(stmt)
|
|
else:
|
|
if current_event_num != stmt.event:
|
|
yield Event(statements=event_statements)
|
|
event_statements = [stmt]
|
|
current_event_num = stmt.event
|
|
else:
|
|
event_statements.append(stmt)
|
|
|
|
else:
|
|
event_statements.append(stmt)
|
|
|
|
yield Event(statements=event_statements)
|
|
|
|
@property
|
|
def sources(self) -> Generator[StmtSourceUMID, None, None]:
|
|
"""
|
|
A generator for all of the sources in the list
|
|
"""
|
|
|
|
for stmt in self.event_statements:
|
|
if type(stmt) is StmtSourceUMID:
|
|
yield stmt
|