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)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com> Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
2026-07-20 11:41:08 +08:00
parent a60969ba50
commit 82929fcd10
2 changed files with 89 additions and 2 deletions
@@ -1050,8 +1050,10 @@ class UnifiedRenderService:

        vf_str = ",".join(filters)

-        # 最终输出时长：取 clip 有效时长和 video_duration 的较小值
-        final_duration = effective_duration
+        # 最终输出时长：取 clip 调速后有效时长和 video_duration 的较小值
+        # 注意：必须用调速后的时长，否则减速场景（speed<1）会被 -t 截断
+        adjusted_duration = UnifiedRenderService._clip_adjusted_duration(clip)
+        final_duration = adjusted_duration
        if video_duration > 0 and (final_duration <= 0 or final_duration > video_duration):
            final_duration = video_duration