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UDP streaming now working properly

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This commit is contained in:
jaseg 2014-02-17 21:26:52 +01:00
parent b4bdef92ab
commit 03bf7d9d49
2 changed files with 19 additions and 15 deletions
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27
host/server.py
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@ -11,7 +11,7 @@ from ctypes import CDLL, POINTER, c_void_p, Structure, c_uint8, c_size_t, cast,
import numpy as np
from matelight import sendframe, DISPLAY_WIDTH, DISPLAY_HEIGHT
from matelight import sendframe, DISPLAY_WIDTH, DISPLAY_HEIGHT, FRAME_SIZE
UDP_TIMEOUT = 3.0
@ -49,7 +49,7 @@ def printframe(fb):
print('\0337\033[H', end='')
print('Rendering frame @{}'.format(time()))
bdf.console_render_buffer(fb.ctypes.data_as(POINTER(c_uint8)), w, h)
print('\033[0m\0338', end='')
print('\033[0mCurrently rendering', current_entry.entrytype, 'from', current_entry.remote, ':', current_entry.text, '\0338', end='')
printlock.release()
def scroll(text):
@ -89,9 +89,14 @@ def log(*args):
class MateLightUDPHandler(BaseRequestHandler):
def handle(self):
try:
# Housekeeping - FIXME: This is *so* the wrong place for this.
for k,v in conns.items():
if time() - v.timestamp > UDP_TIMEOUT:
del conns[k]
global current_entry, conns
data = self.request[0].strip()
if len(data) != FRAME_SIZE+4:
if len(data) != FRAME_SIZE*3+4:
#raise ValueError('Invalid frame size: Expected {}, got {}'.format(FRAME_SIZE+4, len(data)))
return
frame = data[:-4]
@ -103,20 +108,18 @@ class MateLightUDPHandler(BaseRequestHandler):
a = np.array(list(frame), dtype=np.uint8)
timestamp = time()
addr = self.client_address[0]
conn = QueueEntry('udp', addr, timestamp, '')
if addr not in conns:
current_entry = QueueEntry('udp', addr, timestamp, '')
conns[addr] = current_entry
log('New UDP connection from', addr)
else:
conns[addr].timestamp = timestamp
current_entry = conn
conns[addr] = current_entry
if current_entry.entrytype == 'udp' and current_entry.remote == addr:
current_entry = conn
frame = a.reshape((DISPLAY_HEIGHT, DISPLAY_WIDTH, 3))
sendframe(frame)
printframe(frame)
printframe(np.pad(frame, ((0,0),(0,0),(0,1)), 'constant', constant_values=(0,0)))
except Exception as e:
print('Error receiving UDP frame:', e)
ex_type, ex, tb = sys.exc_info()
traceback.print_tb(tb)
log('Error receiving UDP frame:', e)
class MateLightTCPTextHandler(BaseRequestHandler):
def handle(self):
@ -154,7 +157,7 @@ if __name__ == '__main__':
current_entry = textqueue[0]
else:
if conns:
current_entry = random.choice(conns.values())
current_entry = random.choice(list(conns.values()))
else:
current_entry = random.choice(defaulttexts)
if current_entry.entrytype != 'udp' and textqueue: