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8168 MCFW A8保存frames



 各位,使用vcap_venc_vdis这个demo,其中有一部分link是frames M3 VPSS -> A8 ,frames A8-> M3 VPSS来显示;A8可以保存frames在SD卡中;
在demo_vcap_venc_vdis_ipc_frames_exch.c

如果定义CUSTOM_SD_DEMO宏,意思应该是保存视频frames在SD卡中,为什么path路径是/dev/shm呢? 那它是怎么保存在SD卡中的呢?
谢谢