我启动板子，使用下面这条命令
，
出现了以下问题：
pipeline is live and does not need PREROLL ..
WARNING: from element/GstPipeline:pipeline0/GstDmaiperf:dmaiperf0:
Could not get/set settings from/on resource.
Additional debug info:
../../src/src/gsttidmaiperf.c(273):gst_dmaiperf_star():
/GstPipeline:pipeline0/GstDmaiperf:dmaiperf0:
Engine name not specified, not printing DSP information
Setting pipeline to PLAYING ..
New clock: GstSystemClock
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一直阻塞在这里，我对gstream 不怎么熟悉，希望有人给我点建议！！如何去解决这个问题。在此谢过了！
