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feat(downloads): editor concat — multi-segment join (cut-list)

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Editor v2 backend: an edit_spec can carry a 'segments' cut-list that concatenates the kept
ranges into ONE file (accurate=filter_complex trim+concat re-encode; fast=concat-demuxer
stream-copy with per-segment inpoint/outpoint). normalize/edit_sig/clip_duration/needs_reencode
handle segments; worker writes the concat list + runs build_concat_plan. Single-trim path (used by
'separate files' export) unchanged.
This commit is contained in:
npeter83 2026-07-04 03:15:45 +02:00
parent 04c461837f
commit b372d48ced
2 changed files with 88 additions and 10 deletions
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7
backend/app/worker.py
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@ -489,7 +489,12 @@ def _process_edit(job_id: int, asset_id: int) -> None:
dest_staging = staging / f"out.{out_ext}"
_set_job(job_id, phase="editing", progress=0, speed_bps=None, eta_s=None)
cmd = editmod.build_edit_cmd(src_path, dest_staging, edit_spec, out_ext)
if edit_spec.get("segments"):
cmd, prep = editmod.build_concat_plan(src_path, dest_staging, edit_spec, out_ext, staging)
for p, content in prep.items():
p.write_text(content, encoding="utf-8")
else:
cmd = editmod.build_edit_cmd(src_path, dest_staging, edit_spec, out_ext)
editmod.run_ffmpeg(
cmd,
total_s,