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68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
# Copyright 2021-2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import pytest
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from bumble.codecs import AacAudioRtpPacket, BitReader
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# -----------------------------------------------------------------------------
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def test_reader():
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reader = BitReader(b'')
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with pytest.raises(ValueError):
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reader.read(1)
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reader = BitReader(b'hello')
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with pytest.raises(ValueError):
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reader.read(40)
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reader = BitReader(bytes([0xFF]))
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assert reader.read(1) == 1
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with pytest.raises(ValueError):
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reader.read(10)
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reader = BitReader(bytes([0x78]))
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value = 0
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for _ in range(8):
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value = (value << 1) | reader.read(1)
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assert value == 0x78
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data = bytes([x & 0xFF for x in range(66 * 100)])
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reader = BitReader(data)
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value = 0
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for _ in range(100):
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for bits in range(1, 33):
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value = value << bits | reader.read(bits)
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assert value == int.from_bytes(data, byteorder='big')
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def test_aac_rtp():
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# pylint: disable=line-too-long
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packet_data = bytes.fromhex(
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'47fc0000b090800300202066000198000de120000000000000000000000000000000000000000000001c'
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)
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packet = AacAudioRtpPacket(packet_data)
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adts = packet.to_adts()
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assert adts == bytes.fromhex(
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'fff1508004fffc2066000198000de120000000000000000000000000000000000000000000001c'
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)
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# -----------------------------------------------------------------------------
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if __name__ == '__main__':
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test_reader()
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test_aac_rtp()
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