def __init__(self, m, mode="chunk"):
self.mode = mode
self.m = m
self.dotN = 0
self.sum = 0
self.minv = 1
self.maxv = 0
self.pkt_loss = PktLoss()
class ErrorBarData(object):
def __init__(self, m, mode="chunk"):
self.mode = mode
self.m = m
self.dotN = 0
self.sum = 0
self.minv = 1
self.maxv = 0
self.pkt_loss = PktLoss()
def add_dot_pair(self, dot1, dot2, mode=None):
assert dot1.m == self.m
#assert dot2.m == 1.0
#print dot1.chunk_loss_rate, dot2.chunk_loss_rate
if mode == None:
mode = self.mode
if mode == "chunk":
temp = dot1.chunk_loss_rate/float(dot2.chunk_loss_rate)
elif mode == "packet":
temp = self.pkt_loss.estimate_accordiing_to_chunk_loss_rate(chunk_loss_rate=dot1.chunk_loss_rate, m=dot1.m)/float(dot2.chunk_loss_rate)
elif mode == "ratio":
temp = dot1.ratio/dot2.ratio
elif mode == "bitrate":
temp = dot1.bitrate/dot2.bitrate
#print "add temp=%s" %(temp)
if temp > self.maxv:
self.maxv = temp
if temp < self.minv:
self.minv = temp
self.sum += temp
self.dotN += 1
def get_data(self):
if self.dotN == 0:
return 0, 0, 0
return self.sum/float(self.dotN), self.maxv, self.minv
