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timespan

Classes:

Attributes:

VTS_FRAMERATE module-attribute 

VTS_FRAMERATE = vts_framerate

Region 

Region(value: Any, framerate: Fraction, vts: int)

Bases: CustomEnum

Methods:

Attributes:

Source code in vssource/formats/dvd/parsedvd/timespan.py 
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def __init__(self, value: Any, framerate: Fraction, vts: int) -> None:
    self._value_ = value
    self.framerate = framerate
    self.vts = vts

NTSC class-attribute instance-attribute 

NTSC = ('NTSC', Fraction(30000, 1001), 3)

PAL class-attribute instance-attribute 

PAL = ('PAL', Fraction(25, 1), 1)

framerate instance-attribute 

framerate = framerate

vts instance-attribute 

vts = vts

from_framerate classmethod 

from_framerate(framerate: float | Fraction) -> Region
Source code in vssource/formats/dvd/parsedvd/timespan.py 
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@classmethod
def from_framerate(cls, framerate: float | Fraction) -> Region:
    key = Fraction(framerate)

    framerate_region_map = {r.framerate: r for r in Region}

    if framerate in framerate_region_map:
        return framerate_region_map[key]

    diffs = [(r, abs(float(key) - float(r.framerate))) for r in Region]

    diffs.sort(key=lambda x: x[1])

    return diffs[0][0]

vts_framerate classmethod 

vts_framerate() -> Mapping[int, Fraction]
Source code in vssource/formats/dvd/parsedvd/timespan.py 
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@classproperty.cached
@classmethod
def vts_framerate(cls) -> Mapping[int, Fraction]:
    return {r.vts: r.framerate for r in Region}

TimeSpan dataclass 

TimeSpan(hours: int, minutes: int, seconds: int, frames: int)

Methods:

Attributes:

Source code in vssource/formats/dvd/parsedvd/timespan.py 
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def __init__(self, hours: int, minutes: int, seconds: int, frames: int):
    if ((frames >> 6) & 0x01) != 1:
        raise ValueError

    fps = frames >> 6

    if fps not in Region.vts_framerate:
        raise ValueError

    self.hour = hours
    self.minute = minutes
    self.second = seconds
    self.frame_u = frames

frame_u instance-attribute 

frame_u: int = frames

hour instance-attribute 

hour: int = hours

minute instance-attribute 

minute: int = minutes

second instance-attribute 

second: int = seconds

bcd_to_int staticmethod 

bcd_to_int(bcd: int) -> int
Source code in vssource/formats/dvd/parsedvd/timespan.py 
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@staticmethod
def bcd_to_int(bcd: int) -> int:
    return ((0xFF & (bcd >> 4)) * 10) + (bcd & 0x0F)

get_seconds_float 

get_seconds_float() -> float
Source code in vssource/formats/dvd/parsedvd/timespan.py 
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def get_seconds_float(self) -> float:
    # + frames / framerate
    return float(
        ((self.bcd_to_int(self.hour) * 60) + self.bcd_to_int(self.minute)) * 60 + self.bcd_to_int(self.second)
    )