fix(#463): 直通模式调速失效 - final_duration未考虑调速导致减速场景被截断 #625

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auto-approve-bot merged 2 commits from fix/463-pass-through-speed into develop 2026-07-20 11:41:09 +08:00

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xiaoxia b45c24cfa8 style: black format test_unified_render_service.py
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2026-07-20 11:31:04 +08:00
CI Bot 2680df478d fix(#463): 直通模式调速失效 - final_duration未考虑调速导致减速场景被截断
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根因:_render_pass_through 中 final_duration 用原始 effective_duration 计算,
      没有考虑调速(setpts/atempo)导致的实际输出时长变化。
      减速场景(speed<1)下视频被 -t 错误截断,加速场景因截断值大于实际
      时长而表现正常但逻辑错误。

修复:改用 _clip_adjusted_duration(clip) 计算调速后的实际时长作为
      final_duration 的基准,与 video_duration 取较小值。

新增3个单元测试覆盖:加速时长、减速时长、video_duration截断。
2026-07-20 10:03:53 +08:00