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fix(entity): 修复视频慢放时 PTS 冲突问题
- 修改视频变速功能,通过改变帧率实现慢放效果 -避免使用 setpts滤镜导致的 PTS 冲突 - 优化代码结构,提高可读性和可维护性
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@@ -271,9 +271,10 @@ class FfmpegTask(object):
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if param == '':
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param = "1"
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if param != "1":
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# 视频变速
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# 视频变速:通过改变帧率实现,避免PTS冲突
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effect_index += 1
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filter_args.append(f"{video_output_str}setpts={param}*PTS[v_eff{effect_index}]")
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new_fps = self.frame_rate / float(param)
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filter_args.append(f"{video_output_str}fps={new_fps}[v_eff{effect_index}]")
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video_output_str = f"[v_eff{effect_index}]"
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elif effect.startswith("zoom:"):
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param = effect.split(":", 2)[1]
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