答Maj_Lundy
或者可以始终设置配置文件: av_dict_set(&This->opts, "vprofile", "baseline", 0) 或者设置最低的编码延迟: av_dict_set(&This->opts, "tune", "zerolatency", 0); 或选择预置: av_dict_set(&This->opts, "preset","ultrafast",0); avcodec_open2(This->context, This->codec, &This->opts)