def convert_next_segment(self):
# Figure out begin and end
ebutt3_doc = self.get_segment(begin=self.last_segment_end, end=self.last_segment_end + self._segment_length)
if ebutt3_doc is not None:
ebuttd_bindings = self._ebuttd_converter.convert_element(ebutt3_doc.binding, dataset={})
ebuttd_doc = EBUTTDDocument.create_from_raw_binding(ebuttd_bindings)
ebuttd_doc.validate()
else:
ebuttd_doc = self._default_ebuttd_doc
self.increment_last_segment_end(self._segment_length)
self._outbound_carriage_impl.emit_document(ebuttd_doc)
def convert_next_segment(self):
# Figure out begin and end
ebutt3_doc = self.get_segment(
begin=self.last_segment_end,
end=self.last_segment_end + self._segment_length
)
if ebutt3_doc is not None:
ebuttd_bindings = self._ebuttd_converter.convert_element(ebutt3_doc.binding, dataset={})
ebuttd_doc = EBUTTDDocument.create_from_raw_binding(ebuttd_bindings)
ebuttd_doc.validate()
else:
ebuttd_doc = self._default_ebuttd_doc
self.increment_last_segment_end(self._segment_length)
self._outbound_carriage_impl.emit_document(ebuttd_doc)
def process_document(self, document, **kwargs):
# Convert each received document into EBU-TT-D
if self.is_document(document):
self.limit_sequence_to_one(document)
converted_doc = EBUTTDDocument.create_from_raw_binding(
self._ebuttd_converter.convert_document(document.binding))
# Specify the time_base since the FilesystemProducerImpl can't derive it otherwise.
# Hard coded to 'media' because that's all that's permitted in EBU-TT-D. Alternative
# would be to extract it from the EBUTTDDocument but since it's the only permitted
# value that would be an unnecessary overhead...
self.producer_carriage.emit_data(data=converted_doc,
sequence_identifier='default',
time_base='media',
**kwargs)
def convert_data(self, data, **kwargs):
return EBUTTDDocument.create_from_raw_binding(
self._converter.convert_document(data)), kwargs
