Alcorn Mcbride Digital Video Machine HD, User Manual

Page: 87 / 93

Completion Acks 79
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Completion Acks
The InformationStation sends
Completion Acks
at the end of playback of video, audio, and playlist
files. Completion Acks are the following format: n<CR>
where n is the corresponding channel. The port (serial or UDP) that plays the playlist or media file
gets the completion ack. Here are the rules:
•
Video files selected directly return 1<carriage return>.
•
Audio files selected directly return 2<carriage return >.
•
Playlists that don’ t call any other playlists return the channel number to which the playlist was
assigned.
•
When the current playlist selects another playlist, a completion ack will be sent at the
transition point if the new playlist-play command is the LAST command in the current
playlist. A completion ack will be sent at the end of the final playlist.
•
If the new playlist-play command is NOT the last command (like you typed a dummy
command afterwards), no completion ack will be sent at the transition point. A completion
ack will be sent at the end of the final playlist.