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67ce4ed | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | """Map LLM clip timing (segment + trim + hook) to one ffmpeg source window.
``humeo_core.primitives.compile`` already cuts with ``-ss`` / ``-t`` from ``Clip``;
this module is the single place that turns trim/hook fields into concrete bounds.
"""
from __future__ import annotations
from humeo_core.schemas import Clip
def effective_export_bounds(clip: Clip) -> tuple[float, float]:
"""Return ``(start_sec, end_sec)`` on the source timeline for the exported short.
1. **Trim** narrows ``[start_time_sec, end_time_sec]``.
2. Hook fields remain metadata and do not change the export window.
"""
s0 = clip.start_time_sec
s1 = clip.end_time_sec
t_lo = s0 + clip.trim_start_sec
t_hi = s1 - clip.trim_end_sec
if t_hi <= t_lo:
t_lo, t_hi = s0, s1
if t_hi <= t_lo:
t_lo, t_hi = s0, s1
return t_lo, t_hi
def clip_for_render(clip: Clip) -> Clip:
"""Copy with ``start``/``end`` set to the actual cut; trim/hook cleared."""
t0, t1 = effective_export_bounds(clip)
return clip.model_copy(
update={
"start_time_sec": t0,
"end_time_sec": t1,
"trim_start_sec": 0.0,
"trim_end_sec": 0.0,
"hook_start_sec": None,
"hook_end_sec": None,
}
)
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