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|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# pylint: disable=missing-docstring
#
import ctypes # type: ignore
import sys
import unittest
import opuslib.api
import opuslib.api.encoder
import opuslib.api.ctl
__author__ = 'Никита Кузнецов <self@svartalf.info>'
__copyright__ = 'Copyright (c) 2012, SvartalF'
__license__ = 'BSD 3-Clause License'
class EncoderTest(unittest.TestCase):
"""Encoder basic API tests
From the `tests/test_opus_api.c`
"""
def _test_unsupported_sample_rates(self):
for cxx in range(0, 4):
for ixx in range(-7, 96000 + 1):
if ixx in (8000, 12000, 16000, 24000, 48000) and cxx in (1, 2):
continue
if ixx == -5:
fsx = -8000
elif ixx == -6:
fsx = sys.maxsize # TODO: Must be an INT32_MAX
elif ixx == -7:
fsx = -1 * (sys.maxsize - 1) # TODO: Must be an INT32_MIN
else:
fsx = ixx
try:
opuslib.api.encoder.create_state(
fsx, cxx, opuslib.APPLICATION_VOIP)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BAD_ARG)
def test_create(self):
try:
opuslib.api.encoder.create_state(48000, 2, opuslib.AUTO)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BAD_ARG)
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_VOIP)
opuslib.api.encoder.destroy(enc)
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_RESTRICTED_LOWDELAY)
# TODO: rewrite that code
# i = opuslib.api.encoder.encoder_ctl(
# enc, opuslib.api.ctl.get_lookahead)
# if(err!=OPUS_OK || i<0 || i>32766)test_failed();
opuslib.api.encoder.destroy(enc)
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
# TODO: rewrite that code
# i = opuslib.api.encoder.encoder_ctl(
# enc, opuslib.api.ctl.get_lookahead)
# err=opus_encoder_ctl(enc,OPUS_GET_LOOKAHEAD(&i));
# if(err!=OPUS_OK || i<0 || i>32766)test_failed();
opuslib.api.encoder.destroy(enc)
@classmethod
def test_encode(cls):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
data = chr(0) * ctypes.sizeof(ctypes.c_short) * 2 * 960
opuslib.api.encoder.encode(enc, data, 960, len(data))
opuslib.api.encoder.destroy(enc)
@classmethod
def test_encode_float(cls):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
data = chr(0) * ctypes.sizeof(ctypes.c_float) * 2 * 960
opuslib.api.encoder.encode_float(enc, data, 960, len(data))
opuslib.api.encoder.destroy(enc)
def test_unimplemented(self):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
try:
opuslib.api.encoder.encoder_ctl(enc, opuslib.api.ctl.unimplemented)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.UNIMPLEMENTED)
opuslib.api.encoder.destroy(enc)
def test_application(self):
self.check_setget(
opuslib.api.ctl.set_application,
opuslib.api.ctl.get_application,
(-1, opuslib.AUTO),
(opuslib.APPLICATION_AUDIO,
opuslib.APPLICATION_RESTRICTED_LOWDELAY)
)
def test_bitrate(self):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bitrate, 1073741832)
value = opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.get_bitrate)
self.assertLess(value, 700000)
self.assertGreater(value, 256000)
opuslib.api.encoder.destroy(enc)
self.check_setget(
opuslib.api.ctl.set_bitrate,
opuslib.api.ctl.get_bitrate,
(-12345, 0),
(500, 256000)
)
def test_force_channels(self):
self.check_setget(
opuslib.api.ctl.set_force_channels,
opuslib.api.ctl.get_force_channels,
(-1, 3),
(1, opuslib.AUTO)
)
def test_bandwidth(self):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
# Set bandwidth
ixx = -2
self.assertRaises(
opuslib.OpusError,
lambda: opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ixx)
)
ix1 = opuslib.BANDWIDTH_FULLBAND + 1
self.assertRaises(
opuslib.OpusError,
lambda: opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ix1)
)
ix2 = opuslib.BANDWIDTH_NARROWBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ix2)
ix3 = opuslib.BANDWIDTH_FULLBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ix3)
ix4 = opuslib.BANDWIDTH_WIDEBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ix4)
ix5 = opuslib.BANDWIDTH_MEDIUMBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, ix5)
# Get bandwidth
value = opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.get_bandwidth)
self.assertIn(
value,
(opuslib.BANDWIDTH_FULLBAND,
opuslib.BANDWIDTH_MEDIUMBAND,
opuslib.BANDWIDTH_WIDEBAND,
opuslib.BANDWIDTH_NARROWBAND,
opuslib.AUTO)
)
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_bandwidth, opuslib.AUTO)
opuslib.api.encoder.destroy(enc)
def test_max_bandwidth(self):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
i = -2
self.assertRaises(
opuslib.OpusError,
lambda: opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
)
i = opuslib.BANDWIDTH_FULLBAND + 1
self.assertRaises(
opuslib.OpusError,
lambda: opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
)
i = opuslib.BANDWIDTH_NARROWBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
i = opuslib.BANDWIDTH_FULLBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
i = opuslib.BANDWIDTH_WIDEBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
i = opuslib.BANDWIDTH_MEDIUMBAND
opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.set_max_bandwidth, i)
i = -12345
value = opuslib.api.encoder.encoder_ctl(
enc, opuslib.api.ctl.get_max_bandwidth)
self.assertIn(
value,
(opuslib.BANDWIDTH_FULLBAND,
opuslib.BANDWIDTH_MEDIUMBAND,
opuslib.BANDWIDTH_WIDEBAND,
opuslib.BANDWIDTH_NARROWBAND,
opuslib.AUTO)
)
opuslib.api.encoder.destroy(enc)
def test_dtx(self):
self.check_setget(
opuslib.api.ctl.set_dtx, opuslib.api.ctl.get_dtx, (-1, 2), (1, 0))
def test_complexity(self):
self.check_setget(
opuslib.api.ctl.set_complexity,
opuslib.api.ctl.get_complexity,
(-1, 11),
(0, 10)
)
def test_inband_fec(self):
self.check_setget(
opuslib.api.ctl.set_inband_fec,
opuslib.api.ctl.get_inband_fec,
(-1, 2),
(1, 0)
)
def test_packet_loss_perc(self):
self.check_setget(
opuslib.api.ctl.set_packet_loss_perc,
opuslib.api.ctl.get_packet_loss_perc,
(-1, 101),
(100, 0)
)
def test_vbr(self):
self.check_setget(
opuslib.api.ctl.set_vbr, opuslib.api.ctl.get_vbr, (-1, 2), (1, 0))
def test_vbr_constraint(self):
self.check_setget(
opuslib.api.ctl.set_vbr_constraint,
opuslib.api.ctl.get_vbr_constraint,
(-1, 2),
(1, 0)
)
def test_signal(self):
self.check_setget(
opuslib.api.ctl.set_signal,
opuslib.api.ctl.get_signal,
(-12345, 0x7FFFFFFF),
(opuslib.SIGNAL_MUSIC, opuslib.AUTO)
)
def test_lsb_depth(self):
self.check_setget(
opuslib.api.ctl.set_lsb_depth,
opuslib.api.ctl.get_lsb_depth,
(7, 25),
(16, 24)
)
def check_setget(self, v_set, v_get, bad, good):
enc = opuslib.api.encoder.create_state(
48000, 2, opuslib.APPLICATION_AUDIO)
for value in bad:
self.assertRaises(
opuslib.OpusError,
lambda: opuslib.api.encoder.encoder_ctl(enc, v_set, value)
)
for valuex in good:
opuslib.api.encoder.encoder_ctl(enc, v_set, valuex)
result = opuslib.api.encoder.encoder_ctl(enc, v_get)
self.assertEqual(valuex, result)
opuslib.api.encoder.destroy(enc)
|
