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- 新建 apps/worker/viral_video/video_analyzer.py：6 步管线 ① FFmpeg 抽关键帧（每 2s + 场景切换帧） ② PySceneDetect ContentDetector 镜头分割 ③ OpenCV Farneback 光流（径向分量法避免平移误判为zoom） ④ librosa BPM 分析 → pace 档位 ⑤ OSS 上传关键帧 + 豆包 VLM 色调/构图/光线分析 ⑥ 豆包 LLM 整合成 style_guide JSON - style_guide schema：pace/camera_movements/transitions/color_palette/ lighting/mood/ken_burns_params(per-shot)/transition_map/ video_filter_eq_params - 映射函数：运镜→ken_burns / 转场→xfade / 色调→eq+colorchannelmixer / BPM→BGM，并提供 build_render_params_for_clip 按 clip_index 聚合 - 全链路降级（ffmpeg/opencv/librosa/VLM/LLM 任一失败均 best-effort 填充） - 资源约束：≤60s ≤100MB 超时≤60s try/finally 清理临时帧 - 新增 3 个 worker 依赖：scenedetect / librosa / soundfile - 48 个单元测试覆盖映射/光流/BPM/降级/清理 - bandit B404/B603 加 nosec，B310 用 httpx 替换 urllib
34 lines
973 B
Python
34 lines
973 B
Python
"""爆款视频 Worker 侧模块（#2039/#2040/#2051）。
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video_analyzer（#2051）：参考视频风格分析 6 步管线，输出 style_guide + clips 渲染参数映射。
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#2040 的 prompt 系统（prompts/prompt_store/llm_runner）由 #2040 分支提供，本文件不依赖它。
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"""
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from __future__ import annotations
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from apps.worker.viral_video.video_analyzer import (
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DEFAULT_ANALYSIS_TIMEOUT,
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MAX_REFERENCE_DURATION_SEC,
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MAX_REFERENCE_SIZE_MB,
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STYLE_GUIDE_SCHEMA,
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analyze_video_style,
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build_render_params_for_clip,
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map_bgm_bpm,
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map_camera_to_ken_burns,
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map_color_to_video_filter,
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map_transition_to_xfade,
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)
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__all__ = [
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"DEFAULT_ANALYSIS_TIMEOUT",
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"MAX_REFERENCE_DURATION_SEC",
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"MAX_REFERENCE_SIZE_MB",
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"STYLE_GUIDE_SCHEMA",
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"analyze_video_style",
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"build_render_params_for_clip",
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"map_bgm_bpm",
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"map_camera_to_ken_burns",
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"map_color_to_video_filter",
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"map_transition_to_xfade",
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]
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