def run(self):
# Accumulates media bytes
media_bytes = ''
# Starts True; set to False by Rover.close()
while self.rover.is_active:
# Grab bytes from rover, halting on failure
try:
buf = self.rover.mediasock.recv(self.buffer_size)
except:
break
# Do we have a media frame start?
k = buf.find('MO_V')
# Yes
if k >= 0:
# Already have media bytes?
if len(media_bytes) > 0:
# Yes: add to media bytes up through start of new
media_bytes += buf[0:k]
# Both video and audio messages are time-stamped in 10msec units
timestamp = bytes_to_uint(media_bytes, 23)
# Video bytes: call processing routine
if ord(media_bytes[4]) == 1:
self.rover.process_video_from_rover(
media_bytes[36:], timestamp)
# Audio bytes: call processing routine
else:
audio_size = bytes_to_uint(media_bytes, 36)
sample_audio_size = 40 + audio_size
offset = bytes_to_short(media_bytes, sample_audio_size)
index = ord(media_bytes[sample_audio_size + 2])
pcmsamples = decodeADPCMToPCM(
media_bytes[40:sample_audio_size], offset, index)
self.rover.process_audio_from_rover(
pcmsamples, timestamp)
# Start over with new bytes
media_bytes = buf[k:]
# No media bytes yet: start with new bytes
else:
media_bytes = buf[k:]
# No: accumulate media bytes
else:
media_bytes += buf
def run(self):
# Accumulates media bytes
mediabytes = ''
# Starts True; set to False by Rover.close()
while self.rover.is_active:
# Grab bytes from rover, halting on failure
try:
buf = self.rover.mediasock.recv(self.BUFSIZE)
except:
break
# Do we have a media frame start?
k = buf.find('MO_V')
# Yes
if k >= 0:
# Already have media bytes?
if len(mediabytes) > 0:
# Yes: add to media bytes up through start of new
mediabytes += buf[0:k]
# Both video and audio messages are time-stamped in 10msec units
timestamp = bytes_to_uint(mediabytes, 23)
# Video bytes: call processing routine
if ord(mediabytes[4]) == 1:
self.rover.processVideo(mediabytes[36:], timestamp)
# Audio bytes: call processing routine
else:
audsize = bytes_to_uint(mediabytes, 36)
sampend = 40 + audsize
offset = bytes_to_short(mediabytes, sampend)
index = ord(mediabytes[sampend + 2])
pcmsamples = decodeADPCMToPCM(mediabytes[40:sampend], offset, index)
self.rover.processAudio(pcmsamples, timestamp)
# Start over with new bytes
mediabytes = buf[k:]
# No media bytes yet: start with new bytes
else:
mediabytes = buf[k:]
# No: accumulate media bytes
else:
mediabytes += buf
def iterate(self):
# Starts True; set to False by Rover.close()
if self.rover.is_active:
# print "[Python] Acquiring data."
# Grab bytes from rover, halting on failure
try:
buf = self.rover.mediasock.recv(self.BUFSIZE)
except:
return
# Do we have a media frame start?
k = buf.find('MO_V')
# Yes
if k >= 0:
# Already have media bytes?
if len(self.mediabytes) > 0:
# Yes: add to media bytes up through start of new
self.mediabytes += buf[0:k]
# Both video and audio messages are time-stamped in 10msec units
timestamp = bytes_to_uint(self.mediabytes, 23)
# Video bytes: call processing routine
if ord(self.mediabytes[4]) == 1:
self.rover.processVideo(self.mediabytes[36:],
timestamp)
# Audio bytes: call processing routine
else:
audsize = bytes_to_uint(self.mediabytes, 36)
sampend = 40 + audsize
offset = bytes_to_short(self.mediabytes, sampend)
index = ord(self.mediabytes[sampend + 2])
pcmsamples = decodeADPCMToPCM(
self.mediabytes[40:sampend], offset, index)
# self.rover.processAudio(pcmsamples, timestamp)
# Start over with new bytes
self.mediabytes = buf[k:]
# No media bytes yet: start with new bytes
else:
self.mediabytes = buf[k:]
# No: accumulate media bytes
else:
self.mediabytes += buf
def run(self):
# Accumulates media bytes
mediabytes = ''
# Starts True; set to False by Rover.close()
while self.rover.is_active:
# Grab bytes from rover, halting on failure
try:
buf = self.rover.mediasock.recv(self.BUFSIZE)
except:
break
# Do we have a media frame start?
k = buf.find('MO_V')
# Yes
if k >= 0:
# Already have media bytes?
if len(mediabytes) > 0:
# Yes: add to media bytes up through start of new
mediabytes += buf[0:k]
# Video bytes: call processing routine
if ord(mediabytes[4]) == 1:
self.rover.processVideo(mediabytes[36:])
# Audio bytes: call processing routine
else:
offset = bytes_to_short(mediabytes, 200)
index = ord(mediabytes[202])
audiobytes = decodeADPCMToPCM(mediabytes[40:200], offset, index)
self.rover.processAudio(audiobytes)
# Start over with new bytes
mediabytes = buf[k:]
# No media bytes yet: start with new bytes
else:
mediabytes = buf[k:]
# No: accumulate media bytes
else:
mediabytes += buf