Visual Circuits H-DVP, User Manual

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Using the HDCom Application
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Table 4. Callback Messages
Message Meaning
1 File Read Complete
The server sends this callback when a
channel completes loading an MPEG file.
Playback of the file is not yet complete.
2 Playback Complete
The server issues this callback when a
channel finishes playing an MPEG file. This
callback will not be issued if the channel is in
auto-repeat mode, or if a new MPEG file has
already started loading in response to an
mpgLoadNext command.
5 File Read Start
The server issues this callback when a
channel begins loading a new MPEG file.
After this callback has been issued, an
mpgLoadNext command may be sent to the
channel.