def read(self, content, lang=u'en-US', simulate_roll_up=False, offset=0):
"""Converts the unicode string into a CaptionSet
:type content: six.text_type
:param content: The SCC content to be converted to a CaptionSet
:type lang: six.text_type
:param lang: The language of the caption
:type simulate_roll_up: bool
:param simulate_roll_up: If True, when converting to other formats,
the resulting captions will contain all the rows that were visible
on the screen when the captions were rolling up.
:type offset: int
:param offset:
:rtype: CaptionSet
"""
if type(content) != six.text_type:
raise InvalidInputError(u'The content is not a unicode string.')
self.simulate_roll_up = simulate_roll_up
self.time_translator.offset = offset * 1000000
# split lines
lines = content.splitlines()
# loop through each line except the first
for line in lines[1:]:
self._translate_line(line)
self._flush_implicit_buffers()
captions = CaptionSet({lang: self.caption_stash.get_all()})
# check captions for incorrect lengths
for cap in captions.get_captions(lang):
# if there's an end time on a caption and the difference is
# less than .05s kill it (this is likely caused by a standalone
# EOC marker in the SCC file)
if 0 < cap.end - cap.start < 50000:
raise ValueError(
'unsupported length found in SCC input file: ' +
six.text_type(cap))
if captions.is_empty():
raise CaptionReadNoCaptions(u"empty caption file")
else:
last_caption = captions.get_captions(lang)[-1]
last_caption.end = get_corrected_end_time(last_caption)
return captions
def read(self, content, lang='en-US', simulate_roll_up=False, offset=0):
"""Converts the unicode string into a CaptionSet
:type content: six.text_type
:param content: The SCC content to be converted to a CaptionSet
:type lang: six.text_type
:param lang: The language of the caption
:type simulate_roll_up: bool
:param simulate_roll_up: If True, when converting to other formats,
the resulting captions will contain all the rows that were visible
on the screen when the captions were rolling up.
:type offset: int
:param offset:
:rtype: CaptionSet
"""
if type(content) != six.text_type:
raise InvalidInputError('The content is not a unicode string.')
self.simulate_roll_up = simulate_roll_up
self.time_translator.offset = offset * 1000000
# split lines
lines = content.splitlines()
# loop through each line except the first
for line in lines[1:]:
self._translate_line(line)
self._flush_implicit_buffers()
captions = CaptionSet({lang: self.caption_stash.get_all()})
# check captions for incorrect lengths
for cap in captions.get_captions(lang):
# if there's an end time on a caption and the difference is
# less than .05s kill it (this is likely caused by a standalone
# EOC marker in the SCC file)
if 0 < cap.end - cap.start < 50000:
raise ValueError('unsupported length found in SCC input file: ' + str(cap))
if captions.is_empty():
raise CaptionReadNoCaptions("empty caption file")
else:
last_caption = captions.get_captions(lang)[-1]
last_caption.end = get_corrected_end_time(last_caption)
return captions
def write(self, caption_set: CaptionSet, position='bottom'):
position = position.lower().strip()
if position not in ScenaristDVDWriter.VALID_POSITION:
raise ValueError('Unknown position. Supported: {}'.format(','.join(
ScenaristDVDWriter.VALID_POSITION)))
lang = caption_set.get_languages().pop()
caps = caption_set.get_captions(lang)
buf = BytesIO()
# https://github.com/googlefonts/noto-fonts/issues/1663
fnt = ImageFont.truetype(
os.path.dirname(__file__) + '/NotoSansDisplay-Regular.ttf', 30)
with tempfile.TemporaryDirectory() as tmpDir:
with open(tmpDir + '/subtitles.sst', 'w+') as sst:
index = 1
sst.write(
HEADER.format(
bg_red=self.bgColor[0],
bg_green=self.bgColor[1],
bg_blue=self.bgColor[2],
pa_red=self.paColor[0],
pa_green=self.paColor[1],
pa_blue=self.paColor[2],
e1_red=self.e1Color[0],
e1_green=self.e1Color[1],
e1_blue=self.e1Color[2],
e2_red=self.e2Color[0],
e2_green=self.e2Color[1],
e2_blue=self.e2Color[2],
tape_type=self.tape_type,
))
for cap in caps:
sst.write("%04d %s %s subtitle%04d.tif\n" %
(index, self.format_ts(
cap.start), self.format_ts(cap.end), index))
img = Image.new('RGB',
(self.video_width, self.video_height),
self.bgColor)
draw = ImageDraw.Draw(img)
self.printLine(draw, cap, fnt, position)
# quantize the image to our palette
img_quant = img.quantize(palette=self.palette_image,
dither=0)
img_quant.save(tmpDir + '/subtitle%04d.tif' % index,
compression="tiff_deflate")
index = index + 1
zipit(tmpDir, buf)
buf.seek(0)
return buf.read()
def read(self, content, lang=u'en-US', simulate_roll_up=False, offset=0):
"""Converts the unicode string into a CaptionSet
:type content: unicode
:param content: The SCC content to be converted to a CaptionSet
:type lang: unicode
:param lang: The language of the caption
:type simulate_roll_up: bool
:param simulate_roll_up: If True, when converting to other formats,
the resulting captions will contain all the rows that were visible
on the screen when the captions were rolling up.
:type offset: int
:param offset:
:rtype: CaptionSet
"""
if type(content) != unicode:
raise InvalidInputError(u'The content is not a unicode string.')
self.simulate_roll_up = simulate_roll_up
self.time_translator.offset = offset * 1000000
# split lines
lines = content.splitlines()
# loop through each line except the first
for line in lines[1:]:
self._translate_line(line)
self._flush_implicit_buffers()
captions = CaptionSet()
captions.set_captions(lang, self.caption_stash.get_all())
if captions.is_empty():
raise CaptionReadNoCaptions(u"empty caption file")
else:
last_caption = captions.get_captions(lang)[-1]
last_caption.end = get_corrected_end_time(last_caption)
return captions
def read(self, content, lang=u'en-US', simulate_roll_up=False, offset=0):
"""Converts the unicode string into a CaptionSet
:type content: unicode
:param content: The SCC content to be converted to a CaptionSet
:type lang: unicode
:param lang: The language of the caption
:type simulate_roll_up: bool
:param simulate_roll_up: If True, when converting to other formats,
the resulting captions will contain all the rows that were visible
on the screen when the captions were rolling up.
:type offset: int
:param offset:
:rtype: CaptionSet
"""
if type(content) != unicode:
raise InvalidInputError(u'The content is not a unicode string.')
self.simulate_roll_up = simulate_roll_up
self.time_translator.offset = offset * 1000000
# split lines
lines = content.splitlines()
# loop through each line except the first
for line in lines[1:]:
self._translate_line(line)
self._flush_implicit_buffers()
captions = CaptionSet()
captions.set_captions(lang, self.caption_stash.get_all())
if captions.is_empty():
raise CaptionReadNoCaptions(u"empty caption file")
else:
last_caption = captions.get_captions(lang)[-1]
last_caption.end = get_corrected_end_time(last_caption)
return captions