The _endpoint.maxPacketSize for Isoch endpoints will change due to
calls to SetPipePolicy, or if the creation of the endpoint fails due
to lack of bandwidth, at which point the MPS will go to 0.
Rhoads Hollowell
USB Software Team
Apple Computer, Inc.
On Jul 7, 2005, at 12:23 PM, Mark Cookson wrote:
How does GetMaxPacketSize determine the value it reports? From
looking at
the source, it looks like it just returns the value from the
descriptor, but
if that's the case, how could it possibly be returning the wrong
information?
The descriptor clearly says it's a non-zero value, but
GetMaxPacketSize()
returns 0. Is it getting the information in some other way that
I'm not
seeing?
Has anyone else ever reported an issue like this? Seems very strange.
--
Mark Cookson
M-Audio, a part of Avid
225 Locust St.
Hudson, WI 54016
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