[wdmaudiodev] Completing partial / empty frames in AvStrmMiniProcess()
- From: wade <wdawson61@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Mon, 26 Jan 2004 07:51:27 -0800 (PST)
Hi. Two questions about capture in AVStream:
(a)
What is the proper way for an AvstrMiniPrcess() dispatch to handle frame
starvation (i.e.) someone unplugs a s/pdif cable during capture in a
pin-centric AVStream capture driver, with respect to StreamPointer advancement
and return value?
(b) Is it necessary / common to ensure that frames contain an integral number
of nBlockAlign-sized sample blocks? i.e. 24 bit stereo, nBlockAlign = 6, so
must a 240 byte frame have exactly 40 sample frames (Blocks 0 - 39 as read
from HW)? (I ask this not so much in terms of frame size but in terms of sample
block layout in the frame)
Thanks.
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