/
audiovis_sdl2.py
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/
audiovis_sdl2.py
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#! /usr/bin/env python
# Time-stamp: <2018-03-21 14:34:02 cp983411>
import sys
import io
import os.path as op
import csv
import expyriment.control
from expyriment import stimuli
from expyriment.misc import Clock
from queue import PriorityQueue
# constants (to be modified depending on the paradigm)
WORD_DURATION = 400
PICTURE_DURATION = 1000
TEXT_DURATION = 3000
#TOTAL_EXPE_DURATION = 20000 # 10 sec
exp = expyriment.design.Experiment(name="HiRes Experiment")
#expyriment.control.defaults.open_gl=1
expyriment.control.defaults.window_size=(1280, 1028)
expyriment.control.set_develop_mode(True)
#%
expyriment.control.initialize(exp)
kb = expyriment.io.Keyboard()
bs = stimuli.BlankScreen()
wm = stimuli.TextLine('Waiting for scanner sync (or press \'t\')')
fs = stimuli.FixCross()
events = PriorityQueue() # all stimuli will be queued here
# load stimuli
mapsounds = dict()
mapspeech = dict()
maptext = dict()
mappictures = dict()
mapvideos = dict()
for listfile in sys.argv[1:]:
stimlist = csv.reader(io.open(listfile, 'r', encoding='utf-8'))
bp = op.dirname(listfile)
for row in stimlist:
onset, stype, f = int(row[0]), row[1], row[2]
if stype == 'sound':
if not f in mapsounds:
mapsounds[f] = stimuli.Audio(op.join(bp, f))
mapsounds[f].preload()
events.put((onset, 'sound', f, mapsounds[f]))
elif stype == 'picture':
if not f in mappictures:
mappictures[f] = stimuli.Picture(op.join(bp, f))
mappictures[f].preload()
events.put((onset, 'picture', f, mappictures[f]))
events.put((onset + PICTURE_DURATION, 'blank', 'blank', bs))
elif stype == 'video':
if not f in mapvideos:
mapvideos[f] = stimuli.Video(op.join(bp, f))
mapvideos[f].preload()
event.put((onset, 'video', f, mapvideos[f]))
elif stype == 'text':
if not f in maptext:
maptext[f] = stimuli.TextLine(f)
maptext[f].preload()
events.put((onset, 'text', f, maptext[f]))
events.put((onset + TEXT_DURATION, 'blank', 'blank', bs))
elif stype == 'rsvp':
for i, w in enumerate(f.split()):
if not w in maptext:
maptext[w] = stimuli.TextLine(w)
maptext[w].preload()
events.put((onset + i * WORD_DURATION, 'text', w, maptext[w]))
events.put((onset + (i + 1) * WORD_DURATION, 'blank', 'blank', bs))
#%
expyriment.control.start()
wm.present()
kb.wait_char('t') # wait for scanner TTL
fs.present() # clear screen, presenting fixation cross
a = Clock()
while not(events.empty()):
onset, stype, id, stim = events.get()
print('event {} {} @ {}'.format(stype, id, onset))
if a.time > onset:
print('...delayed @ {}'.format(a.time)) # TODO
while a.time < (onset - 10):
a.wait(10)
k = kb.check()
if k is not None:
print('keypressed: {} @ {}'.format(k, a.time))
exp.data.add([a.time, k])
stim.present()
k = kb.check()
if k is not None:
print('keypressed: {} @ {}'.format(k, a.time))
exp.data.add([a.time, k])
try:
TOTAL_EXPE_DURATION
except NameError:
None
else:
if a.time > TOTAL_EXPE_DURATION:
expyriment.control.stop_audiosystem()
break
try:
TOTAL_EXPE_DURATION
except NameError:
None
else:
while a.time < TOTAL_EXPE_DURATION:
a.wait(100)
expyriment.control.end('Merci !', 2000)