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DM8127问题



做了这样一个usecase: sensor->enter vpss->camera->glbce/saldre->vnf(DSS)->leave vpss->enter dsp->dsp alg->leave dsp->enter A8->中文osd->leave A8->enter vpss->dup->merge->leave vpss->enter video->enc->leave video->enter A8->wis-streamer

     1.在上述usecase中,从camer到dsp,耗时为320ms。无论vnf中使用tnf和snf还是不使用,时间是一样的,效果也基本一样,为什么使用这两个参数作用不大?耗时最少可以多少?

     2.图像设置为500w,然后经过vnf 处理后,变成黑色的。是否高于200w的图像无法使用vnf?如果可以使用,该如何配置?