MediaSonic MS9100P Guía de usuario Pagina 76

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HD Player Chapter 12: Remote Control Protocols
74 Rev. 6.4
Media Management Commands
GetMediaTree
This command is used to retrieve the media storage tree from the player. This command doesn’t return a file
listing, only the tree structure.
The player responds with a series of path commands with the following structure. The tree is terminated with an
empty MediaBranch command:
MediaBranch <channel list> <mediapath>
The <channel list> specifies the channels that can use the media. <mediapath> specifies the name of the
branch in a tree format using a unix style format. The control system will not interpret the string but will
pass it back to the player when creating playlists.
The GetMediaTree command essentially performs a left hand depth first traverse of the media tree.
The following exchange shows an example response from the player.
MediaBranch 1,2,3,4 “/e”
MediaBranch 1,2,3,4 “/e/exhibit”
MediaBranch 1,2,3,4 “/e/exhibit/mainshow”
MediaBranch 1,2,3,4 “/e/exhibit/grids”
MediaBranch 5,6,7,8 “/f”
MediaBranch 5,6,7,8 “/f/show version 1”
MediaBranch 5,6,7,8 “/f/show version 2”
MediaBranch
In this example the player wraps two hard drives (e and f) into a unix style tree by simply using the letter as the
root of the tree.
GetClips <mediapath>
This command lists the clips available in a MediaBranch passed in the <string> parameter.
The player responds with a series of clip commands with the following structure. The clip list is terminated with
an empty Clip command.
Clip <mediapath> <clip>
Where <string1> contains a branch returned by GetMediaTree, and <string2> is the name of a clip.
The following exchange shows an example response from the player.
Control: GetClips “/e/exhibits”
Player: Clip “/e/exhibits” “Main screen L.mpg”
Player: Clip “/e/exhibits” “Main screen R.mpg”
Player: Clip “/e/exhibits” “Main screen C.mpg”
Player: Clip
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