def __init__(self,xmlfile=None,gui=None,ports=(7007,7008)):
self.xmlfile = xmlfile
self.library = Library(xmlfile)
self.cur_clip = Clip('',[-1,-1],"no clip loaded")
self.cur_song = None
self.cur_rec = None
self.cur_col = -1
self.search = SearchR(self.library.clips)
self.osc_client = ControlR(self,port=ports[0])
self.osc_server = ServeR(gui,port=ports[1])
self.record = RecordR(self)
self.last_save_file = None
self.cur_time = RefObj("cur_time")
self.cur_clip_pos = RefObj("cur_clip_pos",0.0)
def update_time(_,msg): # this is the driving force behind the (audio) backend :o)
try:
self.cur_time.value = int(msg)
except:
pass
def update_song_info(_,msg):
if self.cur_song:
self.cur_song.vars['total_len'] = int(msg)
self.osc_server.map("/pyaud/pos/frame",update_time)
self.osc_server.map("/pyaud/info/song_len",update_song_info)
self.osc_server.map("/activeclip/video/position/values",self.cur_clip_pos.update_generator('float'))
### MIDI CONTROL
# basically, here are the descriptions that map to functions
# then in the midi config it reads the keys and figures out
# what keys to set to which functions
# which are then mapped thru the osc server to figure out
# what to do with the note value (different types of notes)
self.desc_to_fun = {
'clip_play' : self.osc_client.play ,
'clip_pause' : self.osc_client.pause ,
'clip_reverse' : self.osc_client.reverse ,
'clip_random' : self.osc_client.random_play ,
'clip_clear' : self.osc_client.clear ,
}
# can also auto-gen some of these for cue select etc
def gen_selector(i):
index = i
def fun_tor():
self.select_clip(self.library.clip_collections[self.cur_col][index])
return fun_tor
for i in range(C.NO_Q):
self.desc_to_fun['clip_{}'.format(i)] = gen_selector(i)
# no clue how im going to add midi out.. for now
self.midi_control = None
def load_composition(self,fname):
if fname == self.xmlfile:
# add any new clips
self.library.update_from_xml(fname)
print('updated library from',fname)
else:
self.xmlfile = fname
self.library = Library(fname)
self.cur_clip = Clip('',[-1,-1],"no clip loaded")
self.cur_col = -1
print('loaded library from',fname)
self.search = SearchR(self.library.clips)
class Backend:
"""
entire backend for sol
"""
def __init__(self,xmlfile=None,gui=None,ports=(7007,7008)):
self.xmlfile = xmlfile
self.library = Library(xmlfile)
self.cur_clip = Clip('',[-1,-1],"no clip loaded")
self.cur_song = None
self.cur_rec = None
self.cur_col = -1
self.search = SearchR(self.library.clips)
self.osc_client = ControlR(self,port=ports[0])
self.osc_server = ServeR(gui,port=ports[1])
self.record = RecordR(self)
self.last_save_file = None
self.cur_time = RefObj("cur_time")
self.cur_clip_pos = RefObj("cur_clip_pos",0.0)
def update_time(_,msg): # this is the driving force behind the (audio) backend :o)
try:
self.cur_time.value = int(msg)
except:
pass
def update_song_info(_,msg):
if self.cur_song:
self.cur_song.vars['total_len'] = int(msg)
self.osc_server.map("/pyaud/pos/frame",update_time)
self.osc_server.map("/pyaud/info/song_len",update_song_info)
self.osc_server.map("/activeclip/video/position/values",self.cur_clip_pos.update_generator('float'))
### MIDI CONTROL
# basically, here are the descriptions that map to functions
# then in the midi config it reads the keys and figures out
# what keys to set to which functions
# which are then mapped thru the osc server to figure out
# what to do with the note value (different types of notes)
self.desc_to_fun = {
'clip_play' : self.osc_client.play ,
'clip_pause' : self.osc_client.pause ,
'clip_reverse' : self.osc_client.reverse ,
'clip_random' : self.osc_client.random_play ,
'clip_clear' : self.osc_client.clear ,
}
# can also auto-gen some of these for cue select etc
def gen_selector(i):
index = i
def fun_tor():
self.select_clip(self.library.clip_collections[self.cur_col][index])
return fun_tor
for i in range(C.NO_Q):
self.desc_to_fun['clip_{}'.format(i)] = gen_selector(i)
# no clue how im going to add midi out.. for now
self.midi_control = None
#self.load_last()
def setup_midi(self):
self.midi_control = MidiControl(self)
def save_data(self,savefile=None):
if not os.path.exists('./savedata'): os.makedirs('./savedata')
if not savefile:
if not self.last_save_file:
filename = os.path.splitext(self.xmlfile)[0]
filename = filename.split('/')[-1]
savefile = "./savedata/{}".format(filename)
else:
savefile = self.last_save_file
########
savedata = {'xmlfile':self.xmlfile,'library':self.library,
'current_clip':self.cur_clip,'current_collection':self.cur_col}
########
with open(savefile,'wb') as f:
dill.dump(savedata,f)
with open('./savedata/last_save','w') as last_save:
last_save.write(savefile)
print('successfully saved',savefile)
self.last_save_file = savefile
return savefile # success
def load_data(self,savefile):
if os.path.exists(savefile):
with open(savefile,'rb') as save:
savedata = dill.load(save)
########
loaddata = {'xmlfile':'self.xmlfile','library':'self.library',
'current_clip':'self.cur_clip','current_collection':'self.cur_col'}
########
for key in loaddata:
if key in savedata:
exec("{} = savedata[key]".format(loaddata[key]))
self.search = SearchR(self.library.clips)
print('successfully loaded',savefile)
self.last_save_file = savefile
def load_composition(self,fname):
if fname == self.xmlfile:
# add any new clips
self.library.update_from_xml(fname)
print('updated library from',fname)
else:
self.xmlfile = fname
self.library = Library(fname)
self.cur_clip = Clip('',[-1,-1],"no clip loaded")
self.cur_col = -1
print('loaded library from',fname)
self.search = SearchR(self.library.clips)
def load_last(self):
if os.path.exists('./savedata/last_save'):
with open('./savedata/last_save') as last_save:
fname = last_save.read()
self.load_data(fname)
if self.midi_control is not None: self.load_last_midi()
#self.record.load_last() dangerous (have to implement dependency on audio track 2 do this)
def load_last_midi(self):
if os.path.exists('./savedata/last_midi'):
with open('./savedata/last_midi','r') as last_midi:
fname = last_midi.read()
self.midi_control.map_midi(fname)
def change_clip(self,newclip):
if self.cur_clip is not None: self.cur_clip.last_pos = self.cur_clip_pos.value
self.cur_clip = newclip
self.osc_client.select_clip(newclip)
def select_clip(self,newclip): # function to be overwritten : )
self.change_clip(newclip)
