feat:优化架构

engine/assembler.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from moviepy import VideoFileClip, concatenate_videoclips
+
+
+def assemble_clips(clips: list[str | Path], output_path: str | Path) -> Path:
+    out = Path(output_path)
+    out.parent.mkdir(parents=True, exist_ok=True)
+    if not clips:
+        raise ValueError("clips must not be empty")
+
+    vclips: list[VideoFileClip] = []
+    for c in clips:
+        vclips.append(VideoFileClip(str(c)))
+
+    final = concatenate_videoclips(vclips, method="compose")
+    try:
+        fps = vclips[0].fps if vclips and vclips[0].fps else 24
+        final.write_videofile(str(out), codec="libx264", audio_codec="aac", fps=fps, preset="medium", threads=4)
+    finally:
+        final.close()
+        for c in vclips:
+            c.close()
+    return out
+