fix(ingest): separate ffprobe and ffmpeg timeout handling in HEVC transcode (#1454)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>

apps/worker/worker_app/tasks/ingest.py

@@ -248,14 +248,18 @@ def ingest_asset(job_id: str) -> dict:
                     )
                     _tc_tmp = None
                     _needs_rotation = False
+
+                    # ── Step 1: 磁盘空间检查（独立 try/except，失败仍尝试转码）──
                     try:
-                        # 检查磁盘空间（大文件转码需要至少 2GB 可用空间）
                         _disk_usage = shutil.disk_usage("/tmp")
                         _free_gb = _disk_usage.free / (1024**3)
                         if _free_gb < 2:
-                            raise RuntimeError(f"磁盘空间不足 ({_free_gb:.1f}GB < 2GB)，无法处理大文件")
+                            raise RuntimeError(f"磁盘空间不足 ({_free_gb:.1f}GB < 2GB)")
+                    except Exception as _disk_err:
+                        logger.warning("磁盘检查失败，仍尝试转码: job_id=%s err=%s", job_id, _disk_err)
 
-                        # 检测视频是否有 rotation 元数据（竖屏视频）
+                    # ── Step 2: ffprobe 旋转检测（独立 try/except，失败不阻塞转码）──
+                    try:
                         _probe_cmd = [
                             "ffprobe",
                             "-v",
@@ -275,7 +279,7 @@ def ingest_asset(job_id: str) -> dict:
                             stdout=subprocess.PIPE,
                             stderr=subprocess.DEVNULL,
                             text=True,
-                            timeout=10,
+                            timeout=60,  # 大文件在容器 overlay 文件系统上解析可能较慢
                         )
                         _rotation_str = (_probe_result.stdout or "").strip().split("\n")[0]
                         if _rotation_str in ("90", "270", "-90"):
@@ -285,7 +289,22 @@ def ingest_asset(job_id: str) -> dict:
                                 _rotation_str,
                                 job_id,
                             )
+                    except subprocess.TimeoutExpired:
+                        logger.warning(
+                            "ffprobe 旋转检测超时(60s)，跳过旋转继续转码: job_id=%s",
+                            job_id,
+                        )
+                        _needs_rotation = False
+                    except Exception as _probe_err:
+                        logger.warning(
+                            "ffprobe 旋转检测异常，跳过旋转继续转码: job_id=%s err=%s",
+                            job_id,
+                            _probe_err,
+                        )
+                        _needs_rotation = False
 
+                    # ── Step 3: ffmpeg 转码（独立 try/except）──
+                    try:
                         _tc_tmp_file = tempfile.NamedTemporaryFile(delete=False, suffix="_h264.mp4")
                         _tc_tmp = Path(_tc_tmp_file.name)
                         _tc_tmp_file.close()  # 关闭文件描述符，ffmpeg 会自己打开
@@ -370,13 +389,14 @@ def ingest_asset(job_id: str) -> dict:
                         else:
                             _tail = _proc.stderr[-300:] if _proc.stderr else ""
                             logger.warning(
-                                "FFmpeg 转码失败 rc=%s，降级原始文件: job_id=%s",
+                                "FFmpeg 转码失败 rc=%s stderr=%s: job_id=%s",
                                 _proc.returncode,
+                                _tail,
                                 job_id,
                             )
                     except subprocess.TimeoutExpired:
                         logger.warning(
-                            "FFmpeg 转码超时 (900s)，降级原始文件: job_id=%s",
+                            "FFmpeg 转码超时(900s)，降级原始文件: job_id=%s",
                             job_id,
                         )
                     except Exception as _e: