From d7d3f3184b626e198cd4bfd52ce38201731868ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=81=B5=E5=BA=94?= <lingying@coze.email>
Date: Mon, 28 Sep 2026 15:31:46 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20GPU=20=E7=9B=B4?=
 =?UTF-8?q?=E8=BF=9E=E7=AE=A1=E7=BA=BF=E4=B8=AD=20l.role=20=E5=8F=98?=
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_can_use_gpu_direct 和 _try_gpu_direct 方法中 3 处列表推导式
误用未定义变量 l 代替循环变量 _lyr，导致 NameError 使
gpu-direct eligibility check 始终失败并 fallback 到 CPU 路径。

修复: l.role -> _lyr.role (line 2220, 2275, 2280)
---
 apps/worker/video_processing/unified_render_service.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/apps/worker/video_processing/unified_render_service.py b/apps/worker/video_processing/unified_render_service.py
index 35c816fe2..c5d4efb16 100755
--- a/apps/worker/video_processing/unified_render_service.py
+++ b/apps/worker/video_processing/unified_render_service.py
@@ -2217,7 +2217,7 @@ class UnifiedRenderService:
             if not bool(cfg.get("gpu_direct_enabled", True)):
                 return False
 
-            video_layers = [_lyr for _lyr in layers if l.role not in ("audio",)]
+            video_layers = [_lyr for _lyr in layers if _lyr.role not in ("audio",)]
             # 只允许一个视频层，且角色为主层
             if len(video_layers) != 1:
                 return False
@@ -2272,12 +2272,12 @@ class UnifiedRenderService:
             from video_processing import gpu_direct_pipeline as gdp
 
             cfg = self.plan.config or {}
-            video_layer = next(_lyr for _lyr in layers if l.role not in ("audio",))
+            video_layer = next(_lyr for _lyr in layers if _lyr.role not in ("audio",))
             video_clips = [c for c in video_layer.clips if c.clip_type != "audio"]
 
             # TTS：把 audio 层的 TTS 片段合并成一个文件给 P4000
             tts_merged: Path | None = None
-            audio_layer = next((_lyr for _lyr in layers if l.role == "audio"), None)
+            audio_layer = next((_lyr for _lyr in layers if _lyr.role == "audio"), None)
             if audio_layer:
                 tts_clips = [c for c in audio_layer.clips if (c.config or {}).get("tts") and c.local_path.exists()]
                 if tts_clips: