def test_decode(self):
"""opus_decode()"""
packet = chr((63 << 2) + 3) + chr(49)
for j in range(2, 51):
packet += chr(0)
dec = decoder.create(48000, 2)
try:
decoder.decode(dec, packet, 51, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.INVALID_PACKET)
packet = chr(63 << 2) + chr(0) + chr(0)
try:
decoder.decode(dec, packet, -1, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.decode(dec, packet, 3, 60, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 480, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def test_decode(self):
"""opus_decode()"""
packet = chr((63<<2)+3)+chr(49)
for j in range(2, 51):
packet += chr(0)
dec = decoder.create(48000, 2)
try:
decoder.decode(dec, packet, 51, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.INVALID_PACKET)
packet = chr(63<<2)+chr(0)+chr(0)
try:
decoder.decode(dec, packet, -1, 960, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BAD_ARG)
try:
decoder.decode(dec, packet, 3, 60, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 480, 0)
except OpusError as e:
self.assertEqual(e.code, constants.BUFFER_TOO_SMALL)
try:
decoder.decode(dec, packet, 3, 960, 0)
except OpusError:
self.fail('Decode failed')
decoder.destroy(dec)
def decode(self, data):
return opus_decoder.decode(self.decoder,
data,
length=len(data),
frame_size=self.untalk.frame_size,
decode_fec=self.untalk.decode_fec,
channels=CHANNELS)
def decode(self, data):
return opus_decoder.decode(self.decoder,
data,
len(data),
self.chunk,
self.fec,
channels=self.channels)
def test_get_pitch(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(63 << 2) + chr(0) + chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(1) + chr(0) + chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
decoder.destroy(dec)
def test_get_pitch(self):
dec = decoder.create(48000, 2)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(63<<2)+chr(0)+chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
packet = chr(1)+chr(0)+chr(0)
decoder.decode(dec, packet, 3, 960, False)
i = decoder.ctl(dec, ctl.get_pitch)
self.assertIn(i, (-1, 0))
decoder.destroy(dec)
def run(self):
while True:
data = sock.recvfrom(
INPUT_FRAMES_PER_BLOCK) # buffer size is 1024 bytes
try:
assert len(data[0]) == 136
(serial, ) = struct.unpack('q', data[0][:8])
raw_audio = decoder.decode(dec, data[0][8:], len(data[0][8:]),
INPUT_FRAMES_PER_BLOCK, False, 1)
#try:
if len(buf) < MAX_BUFF_SIZE:
heapq.heappush(buf, ((serial, raw_audio)))
else:
heapq.heappop(buf)
heapq.heappush(buf, ((serial, raw_audio)))
print "receiving and push to jb", serial
#print len(buf)
#except
#print "Raw Data: ",raw_audio
except AssertionError:
print 'Didn\'t get full packet!'
sys.exit(1)
def decode(self, data):
out = opus_decoder.decode(self.decoder, data, len(data),
self.frame_size, False, self.channels)
return out
with open(inputfile,'r') as fr:
print("Reading file %s..." % inputfile)
for ln in fr:
if ln.startswith("[Read]20"):
str_pkt = ln[11:].strip()
#if ln.startswith("20"):
# str_pkt = ln[5:].strip()
data += bytes.fromhex(str_pkt)
fr.close()
chunk_len = 640
index = 0
output = bytearray()
encodeLength = 0
while (index < len(data)-encodeLength):
encodeLength = data[index]
encodeData = data[index+1:index+encodeLength+1]
decodeData = decoder.decode(dec, bytes(encodeData), len(encodeData), chunk_len, 0);
output.extend(decodeData[:chunk_len])
del data[index]
index += encodeLength;
with open(outputfile, 'wb') as fw:
fw.write(output)
print('Saved file %s!\n- 16bit, 16000Hz, 1 channel' % outputfile)
fw.close()