10.04.2020 21:59, Sowjanya Komatineni пишет: ... >> It's still not clear to me how the "pre-queued buffers" will be limited. >> I'll take another look at the v7. > > OK, but I don't understand what you mean by limit on pre-queued buffers. > > I was saying vb2 queue has min_buffers_needed which was set to 3 where > streaming will start only after 3 buffers got queued up. > > Regarding outstanding condition check to make sure no more than 2 syncpt > trigger requests are in FIFO I added it to be safe where mostly we may > not hit and also I only see capture start thread holding for it during > initial frame capture as it issues single shot for 1st 2 buffers capture > and holds 3 buffers which is already queued till at least one of those 2 > issued capture is done to make sure of not triggering syncpt condition > when fifo already has 2 pending. > > In v7, will remove setting min_buffers_needed and also outstanding > syncpt trigger check. Okay, seems I got what you're saying. Yes, the check should be removed. It's impossible to get the frame-start event while capture of the previous buffer is in-progress.
