I have a tvp5150 connected using BT.656 mode with external sync to an omap3530. I'm using the PSP kernel.
Under light cpu, I'm able to use gstreamer to capture video at 30fps which looks good. If I try to also use the alsasrc to capture audio, suddenly I get video with old fields repeated intermittently. When trying this the cpu still only reads around 70% utilization.
Why would this be? In the log, I don't see any errors or kernel msgs when this happens. Does the alsa driver hog the cpu for too long? Is the isp capture driver sensitive to interrupt latency?
Thanks,
Chris