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  • server/lib/TODO

    rf0807b8 r374c558  
    6969   [ ] http://gutenbach.mit.edu/ticket/41
    7070   [ ] http://gutenbach.mit.edu/ticket/18
    71 
    72  === CONSIDERATIONS FOR MPD ===
    73 
    74 We are considering using MPD (the Music Player Daemon) for playback, instead
    75 of mplayer.  This gives us a pony (gapless playback), and makes some other
    76 things, like keeping track of the queue, much easier.  There is a lot of work
    77 needed to make this work, though.
    78 
    79 THIS ADDS A DEPENDENCY:  python-mpd
    80 
    81 We will have to re-implement all the functions in jobs.py, and completely
    82 re-structure player.py
    83 
    84 If we want video playback eventually (and we do), there will be some hackery
    85 involved.  We will pause mpd playback, do the video playback completely
    86 separately, and then resume mpd playback.
    87 
    88 Some almost-pseudocode:
    89 
    90 startup:
    91   client = MPDClient()
    92   client.connect(**{'host':'/var/run/mpd/socket', 'port':'6600'})
    93 
    94 adding a song to the queue:
    95   Receive job
    96   Put it into a file                    [gutenbach/FILENAME]
    97   Tell MPD to add it to the queue       [client.addid('gutenbach/FILENAME')]
    98   Find out what the id is
    99   Store all the data [including the temporary filename]
    100   IF WE ARE SUPPOSED TO BE PLAYING, MAKE SURE WE *ARE* PLAYING
    101     In particular, if the queue was empty, start playback   [gutenbach.play()]
    102 
    103 when a job completes playing:
    104   Remove the file                       [rm gutenbach/FILENAME]
    105 
    106 getting the queue:
    107   get playlist, parse return            [client.playlistid()]
    108 
    109 removing a job:
    110   dequeue it                  [client.deleteid('NUMBER')]
    111   remove the file
    112   tell them what you did
    113 
    114 restart song:
    115   client.seek(0,1)   [0% through song 1...]
    116 
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