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Update broadcast_timecode.py

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Subtle bug fixes
This commit is contained in:
Jamie Hardt
2022-11-04 12:50:11 -07:00
parent 434b8816ee
commit 9e2b932cad
1 changed files with 6 additions and 4 deletions
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10
ptulsconv/broadcast_timecode.py
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@@ -18,7 +18,7 @@ class TimecodeFormat(namedtuple("_TimecodeFormat", "frame_duration logical_fps d
return frame_count_to_smpte(frame_count, self.logical_fps, self.drop_frame)
def smpte_to_frame_count(smpte_rep_string: str, frames_per_logical_second: int, drop_frame_hint=False) -> int:
def smpte_to_frame_count(smpte_rep_string: str, frames_per_logical_second: int, drop_frame_hint=False) -> Optional[int]:
"""
Convert a string with a SMPTE timecode representation into a frame count.
@@ -54,14 +54,14 @@ def smpte_to_frame_count(smpte_rep_string: str, frames_per_logical_second: int,
frames_dropped_per_inst = (frames_per_logical_second / 15)
mins = hh * 60 + mm
inst_count = mins - math.floor(mins / 10)
dropped_frames = frames_dropped_per_inst * inst_count
dropped_frames = int(frames_dropped_per_inst) * inst_count
frames = raw_frames - dropped_frames
return frames
def frame_count_to_smpte(frame_count: int, frames_per_logical_second: int, drop_frame: bool = False,
fractional_frame: float = None) -> str:
fractional_frame: Optional[float] = None) -> str:
assert frames_per_logical_second in [24, 25, 30, 48, 50, 60]
assert fractional_frame is None or fractional_frame < 1.0
@@ -87,8 +87,10 @@ def frame_count_to_smpte(frame_count: int, frames_per_logical_second: int, drop_
return "%02i:%02i:%02i%s%02i" % (hh, mm, ss, separator, ff)
def footage_to_frame_count(footage_string):
def footage_to_frame_count(footage_string) -> Optional[int]:
m = re.search(r'(\d+)\+(\d+)(\.\d+)?', footage_string)
if m is None:
return None
feet, frm, frac = m.groups()
feet, frm, frac = int(feet), int(frm), float(frac or 0.0)