描述:
想查看视频源模块的运行情况,进入/proc/jz/isp目录
cat isp-fs
############## framesource 0 ###############
chan status: running
output pixformat: NV12
output resolution: 1920 * 1080
scaler : disable
crop : enable
crop top: 0
crop left: 0
crop width: 1920
crop height: 1080
the state of buffers:
queue count: 2
queue addr: 0x02ff4f00
queue addr: 0x02cf7f00
done count: 0
the output buffers is: 0
the losted buffers is: 0
ch0_pre_dequeue_drop is: 0
ch0_pre_dequeue_intc_ahead_cnt is: 0
pdq cnt: 0, pdq intc cnt:0, pdq intc cnt1:0
---------------------------
buf:0, state:3, buf_state:30, buf_qcnt:67248, buf_dqcnt:67247
buf:1, state:3, buf_state:30, buf_qcnt:67247, buf_dqcnt:67246
############## framesource 1 ###############
chan status: stop
############## framesource 2 ###############
chan status: stop