On Thu, 2012-11-01 at 15:00 +0200, Tanu Kaskinen wrote: > On Mon, 2012-10-29 at 22:25 +0000, Sun, Xiaodong wrote: > > 2. Even we can get stable initial sink latency, if new sink's latency > > is bigger than the other sink's, we use pa_memblockq_drop() to skip > > some samples in new sink's output memblockq in order to reduce its > > latency. But if new sink's output memblockq is empty, > > pa_memblockq_drop() will do nothing since there is no sample to drop > > at all. Isn't it? > > pa_memblockq_drop() will always move the read index forward (unless > prebuffering is enabled and active, but module-combine-sink doesn't > enable prebuffering for the memblockqs that it creates). Sorry, I didn't check carefully enough. module-combine-sink does enable prebuffering. I'm not sure why. Maybe the prebuffering could be disabled (pass 0 instead of 1 as the prebuf parameter of pa_memblockq_new()). -- Tanu
