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Stream #0: not enough frames to estimate rate
这个问题,我觉得你描述的有点过于简单了,你激活了哪些层,调用了ffmpeg的cfg的话,你选择的画质输出的档位设置,还有就是你给的录制帧率是多少,你的demo的质量怎么样,demo的来源种类还有就是你的在实际录制过程是什么样的,画面的录制速率是否觉得过慢或者不正常,画面中人物是否有出现闪烁,还是说做好了设置之后没法开始录制,能录制的话,得到的文件和音频视频是否正常,因为这个问题我是确实没有遇到过,只能等你的详细描述才能帮你分析试试看,XD