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新增灰度对比测试工具包 tests/render_compare/，包含： - video_diff.py: SSIM + PSNR 像素对比 - audio_diff.py: 音频差值对比 - scenarios.py: 10个对比场景 - runner.py: 批量执行器 + StagingAPI + HTML报告 - README.md: 使用文档 5个P1修复： P1-1 音频差值系统性偏低6dB：amix自动缩放音量导致相似度虚高 → amix后加volume=2补偿 P1-2 Feature Flag污染线上配置：测试跑完不恢复原值 → run_all用try/finally保证恢复原始配置，保存失败直接中止 P1-3 SSIM min值计算错误：混入汇总行掩盖最严重差异帧 → 改为从stats_file(stdout)解析逐帧数据，avg/min都来自真实逐帧 P1-4 probe_has_audio语义反了：探测失败返回True → 探测失败返回False，保守认为无音频 P1-5 三套入口阈值不统一：函数默认/Runner默认/CLI默认各不一样 → 统一到CompareRunner类常量：SSIM=0.95, PSNR=28dB, 音频=0.90
27 lines
807 B
Python
27 lines
807 B
Python
"""灰度对比测试工具包.
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用于新旧渲染引擎的批量对比测试，包含：
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- video_diff: 视频像素对比（SSIM + PSNR）
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- audio_diff: 音频对比（差值 RMS）
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- scenarios: 预定义对比场景
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- runner: 批量对比执行器 + HTML 报告
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"""
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from .video_diff import VideoDiffResult, compute_video_diff, save_diff_frame
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from .audio_diff import AudioDiffResult, compute_audio_diff, extract_audio, probe_has_audio, probe_duration
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from .scenarios import SCENARIOS, CompareScenario, get_scenarios_by_priority
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__all__ = [
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"VideoDiffResult",
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"compute_video_diff",
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"save_diff_frame",
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"AudioDiffResult",
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"compute_audio_diff",
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"extract_audio",
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"probe_has_audio",
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"probe_duration",
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"SCENARIOS",
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"CompareScenario",
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"get_scenarios_by_priority",
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]
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