From: Pieter P. <pi...@jo...> - 2009-05-26 19:58:30
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Stefan Richter wrote: > Jonathan Woithe wrote: >> In addition to audio and midi data streams, some devices use the main data >> stream from the device to send additional operational data. An example of >> this is the MOTU devices - there is a substream defined for these devices >> which provide device setting updates. When utilised, this allows any >> running mixer/control programs to be updated if a setting is changed on the >> device's front panel. The question then arises as to how we might deal with >> streams like this when the streaming code moves into the kernel. > [...] > > Which other mechanisms are used for such control feedback by the various > platforms? Only FCP, or also other protocols? In theory FCP NOTIFY is used by the BeBoB devices, although I haven't seen any device that actually uses it. DICE uses an ARM mapping on the host where it writes to. So does the Stanton SCS. Greets, Pieter |