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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# pylint: disable=missing-docstring
#
"""Tests for a high-level Decoder object"""
import unittest
import opuslib
__author__ = 'Никита Кузнецов <self@svartalf.info>'
__copyright__ = 'Copyright (c) 2012, SvartalF'
__license__ = 'BSD 3-Clause License'
class DecoderTest(unittest.TestCase):
def test_create(self):
try:
opuslib.Decoder(1000, 3)
except opuslib.OpusError as ex:
self.assertEqual(ex.code, opuslib.BAD_ARG)
opuslib.Decoder(48000, 2)
def test_get_bandwidth(self):
decoder = opuslib.Decoder(48000, 2)
self.assertEqual(decoder.bandwidth, 0)
def test_get_pitch(self):
decoder = opuslib.Decoder(48000, 2)
self.assertIn(decoder.pitch, (-1, 0))
packet = bytes([252, 0, 0])
decoder.decode(packet, frame_size=960)
self.assertIn(decoder.pitch, (-1, 0))
packet = bytes([1, 0, 0])
decoder.decode(packet, frame_size=960)
self.assertIn(decoder.pitch, (-1, 0))
def test_gain(self):
decoder = opuslib.Decoder(48000, 2)
self.assertEqual(decoder.gain, 0)
try:
decoder.gain = -32769
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BAD_ARG)
try:
decoder.gain = 32768
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BAD_ARG)
decoder.gain = -15
self.assertEqual(decoder.gain, -15)
@classmethod
def test_reset_state(cls):
decoder = opuslib.Decoder(48000, 2)
decoder.reset_state()
def test_decode(self):
decoder = opuslib.Decoder(48000, 2)
packet = bytes([255, 49])
for _ in range(2, 51):
packet += bytes([0])
try:
decoder.decode(packet, frame_size=960)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.INVALID_PACKET)
packet = bytes([252, 0, 0])
try:
decoder.decode(packet, frame_size=60)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BUFFER_TOO_SMALL)
try:
decoder.decode(packet, frame_size=480)
except opuslib.OpusError as exc:
self.assertEqual(exc.code, opuslib.BUFFER_TOO_SMALL)
try:
decoder.decode(packet, frame_size=960)
except opuslib.OpusError:
self.fail('Decode failed')
def test_decode_float(self):
decoder = opuslib.Decoder(48000, 2)
packet = bytes([252, 0, 0])
try:
decoder.decode_float(packet, frame_size=960)
except opuslib.OpusError:
self.fail('Decode failed')
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