Download video via RapidAPI (own-CDN) -> faster-whisper transcript + local screenshots -> delete; retire proxies

pipeline/frames.py

@@ -208,3 +208,19 @@ def capture_shots(times: dict[int, float], video_id: str, out_dir: str,
     except OSError:
         pass
     return out
+
+
+def capture_from_file(times: dict[int, float], video_path: str, out_dir: str,
+                      progress=None) -> dict[int, dict]:
+    """Extract the sharpest frame per ``{step_index: time}`` from an already-downloaded
+    local ``video_path`` (no network/proxy). Returns ``{idx: {"time", "path"}}``."""
+    os.makedirs(out_dir, exist_ok=True)
+    out: dict[int, dict] = {}
+    items = list(times.items())
+    for n, (idx, t) in enumerate(items):
+        if progress:
+            progress((n + 1) / max(1, len(items)), desc=f"Screenshot {n + 1}/{len(items)}")
+        path = _grab_local(video_path, t, out_dir, idx)
+        if path:
+            out[idx] = {"time": t, "path": path}
+    return out