I know it is very confusing! The discussion was about the queuing of media
on a given Player, especially in regards with looping on some video /
musics, etc.
Greg proposal was to allow the Player to queue either a single Source or an
iterable of Sources. He said either we could have 2 functions or a single
one. I implemented the version with a single function which analyse its
attribute and figure out whether it's a Source or an iterable or Sources.
The benefit with this approach is that the iterable could be a generator
which provides the different media depending on some conditions. Greg's
example was:
def my_playlist():
yield intro
while game_is_running():
yield main_theme
yield ending
player.queue(my_playlist())
So everytime the Player finishes playing a media, it asks the iterable for
the next media until it is exhausted. The source (media) can appear as
often as we want in that generator. The only restriction is that if the
Source is streamed, it can only be played on one Player. This is checked
within the code I wrote.
All of this has nothing to do with playing multiple players at the same
time.
For something unrelated, I've been also thinking about the fire and forget
usage of the Player, and I think I have an idea. Anyone can of course
create a Player. When the references to it disappear, it is gone from
memory. Done. But I would also keep the fire and forget player, which is
used by calling .play() on a Source. To deal with it, I would add a global
set of Players in the module player.py. The Source would both instantiate
the player and add it to the set. Also the Player would be given a callback
to remove itself from that list once it reaches its end-of-stream. Finally
the module player.py would also have an atexit.register() callback to empty
the list of Players (if any) when we exit. This should allow the program to
gracefully exit.
Dan
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