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import numpy as np
import ctypes
import time
from misc import resize_image
class Pixelflut:
def __init__(self, host, port, x, y, w, h, reps):
self.host, self.port = host.encode(), port
self.x, self.y = x, y
self.w, self.h = w, h
self.reps = reps
self.dbuf = np.zeros(w*h*4, dtype=np.uint8)
self.so = ctypes.CDLL('./pixelflut.so')
self.sock = None
def reset_images(self):
self.so.reset_images()
def sendframe(self, idx):
for _ in range(self.reps):
if self.sock is None:
while self.sock is None or self.sock < 0:
time.sleep(1)
self.sock = self.so.cct(self.host, self.port)
if self.so.sendframe(self.sock, idx, self.w, self.h, self.x, self.y):
self.so.discct(self.sock)
self.sock = None
def encode_image(self, img, idx=None):
frame = np.array(resize_image(img, (self.w, self.h), blackbg=False)).reshape(self.w*self.h*4)
np.copyto(self.dbuf, frame)
cptr = self.dbuf.ctypes.data_as(ctypes.POINTER(ctypes.c_uint8))
if idx is None:
return self.so.store_image(cptr, self.w, self.h)
else:
self.so.store_image_idx(cptr, self.w, self.h, idx)
return None
class Getch:
def __call__(self):
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
return ch
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