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AW: Lost Midi Packets over Wifi Network [bcc][faked-from]
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AW: Lost Midi Packets over Wifi Network [bcc][faked-from]


  • Subject: AW: Lost Midi Packets over Wifi Network [bcc][faked-from]
  • From: Tobias Erichsen <email@hidden>
  • Date: Fri, 24 Feb 2012 12:23:23 +0000
  • Thread-topic: Lost Midi Packets over Wifi Network [bcc][faked-from]

Hi Tom,

> > Unfortunately this journal is only constructed to settle
> > "indefinite artifacts" (like a missing note-off) whereas
> > "transient artifacts" (like a missing note-off) are not corrected.
>
> True, but I'm pretty sure that Apple's implementation does not do
> the journaling, so I don't think there is any means to recover from
> lost packets in this case...

even though I'm not certain if Apple implements the recovery
on the receive-side in the driver (never have tested this),
I know that they produce the recovery-journal in the packets
they send to the network (I should know since I implemented
the RTP-MIDI dissector for Wireshark and used the info sent
by my Mac to test the implementation ;-)

I do seem to recall that this does not encompass all parts of
the journal though - specifically the Sysex portion is not
supported if remember correctly...

Best regards,
Tobias

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  • Follow-Ups:
    • RE: Lost Midi Packets over Wifi Network [bcc][faked-from]
      • From: Tom White <email@hidden>
References: 
 >Lost Midi Packets over Wifi Network (From: Paul Eastman <email@hidden>)
 >AW: Lost Midi Packets over Wifi Network [bcc][faked-from] (From: Tobias Erichsen <email@hidden>)
 >RE: Lost Midi Packets over Wifi Network (From: Tom White <email@hidden>)

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