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https://github.com/google/bumble.git
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Merge pull request #776 from khsiao-google/test_coverage
Add a2dp_test.py tests for a2dp.py
This commit is contained in:
zxzxwu
@@ -18,14 +18,12 @@
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import asyncio
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import logging
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import os
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import struct
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from typing import Awaitable
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import pytest
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from bumble.a2dp import (
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AacMediaCodecInformation,
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OpusMediaCodecInformation,
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SbcMediaCodecInformation,
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)
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from bumble import a2dp
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from bumble.avdtp import (
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A2DP_SBC_CODEC_TYPE,
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AVDTP_AUDIO_MEDIA_TYPE,
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@@ -82,6 +80,24 @@ class TwoDevices:
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self.paired[which] = keys
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# -----------------------------------------------------------------------------
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class Data:
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pointer: int = 0
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data: bytes
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def __init__(self, data: bytes):
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self.data = data
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async def read(self, length: int) -> Awaitable[bytes]:
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def generate_read():
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end = min(self.pointer + length, len(self.data))
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chunk = self.data[self.pointer : end]
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self.pointer = end
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return chunk
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return generate_read()
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# -----------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_self_connection():
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@@ -122,12 +138,12 @@ def source_codec_capabilities():
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return MediaCodecCapabilities(
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media_type=AVDTP_AUDIO_MEDIA_TYPE,
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media_codec_type=A2DP_SBC_CODEC_TYPE,
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media_codec_information=SbcMediaCodecInformation(
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sampling_frequency=SbcMediaCodecInformation.SamplingFrequency.SF_44100,
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channel_mode=SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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block_length=SbcMediaCodecInformation.BlockLength.BL_16,
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subbands=SbcMediaCodecInformation.Subbands.S_8,
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allocation_method=SbcMediaCodecInformation.AllocationMethod.LOUDNESS,
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media_codec_information=a2dp.SbcMediaCodecInformation(
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sampling_frequency=a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_44100,
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channel_mode=a2dp.SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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block_length=a2dp.SbcMediaCodecInformation.BlockLength.BL_16,
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subbands=a2dp.SbcMediaCodecInformation.Subbands.S_8,
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allocation_method=a2dp.SbcMediaCodecInformation.AllocationMethod.LOUDNESS,
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minimum_bitpool_value=2,
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maximum_bitpool_value=53,
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),
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@@ -139,23 +155,23 @@ def sink_codec_capabilities():
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return MediaCodecCapabilities(
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media_type=AVDTP_AUDIO_MEDIA_TYPE,
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media_codec_type=A2DP_SBC_CODEC_TYPE,
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media_codec_information=SbcMediaCodecInformation(
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sampling_frequency=SbcMediaCodecInformation.SamplingFrequency.SF_48000
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| SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| SbcMediaCodecInformation.SamplingFrequency.SF_32000
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| SbcMediaCodecInformation.SamplingFrequency.SF_16000,
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channel_mode=SbcMediaCodecInformation.ChannelMode.MONO
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| SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| SbcMediaCodecInformation.ChannelMode.STEREO
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| SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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block_length=SbcMediaCodecInformation.BlockLength.BL_4
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| SbcMediaCodecInformation.BlockLength.BL_8
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| SbcMediaCodecInformation.BlockLength.BL_12
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| SbcMediaCodecInformation.BlockLength.BL_16,
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subbands=SbcMediaCodecInformation.Subbands.S_4
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| SbcMediaCodecInformation.Subbands.S_8,
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allocation_method=SbcMediaCodecInformation.AllocationMethod.LOUDNESS
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| SbcMediaCodecInformation.AllocationMethod.SNR,
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media_codec_information=a2dp.SbcMediaCodecInformation(
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sampling_frequency=a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_48000
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| a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_32000
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| a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_16000,
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channel_mode=a2dp.SbcMediaCodecInformation.ChannelMode.MONO
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| a2dp.SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| a2dp.SbcMediaCodecInformation.ChannelMode.STEREO
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| a2dp.SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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block_length=a2dp.SbcMediaCodecInformation.BlockLength.BL_4
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_8
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_12
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_16,
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subbands=a2dp.SbcMediaCodecInformation.Subbands.S_4
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| a2dp.SbcMediaCodecInformation.Subbands.S_8,
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allocation_method=a2dp.SbcMediaCodecInformation.AllocationMethod.LOUDNESS
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| a2dp.SbcMediaCodecInformation.AllocationMethod.SNR,
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minimum_bitpool_value=2,
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maximum_bitpool_value=53,
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),
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@@ -274,52 +290,54 @@ async def test_source_sink_1():
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# -----------------------------------------------------------------------------
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def test_sbc_codec_specific_information():
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sbc_info = SbcMediaCodecInformation.from_bytes(bytes.fromhex("3fff0235"))
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sbc_info = a2dp.SbcMediaCodecInformation.from_bytes(bytes.fromhex("3fff0235"))
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assert (
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sbc_info.sampling_frequency
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== SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| SbcMediaCodecInformation.SamplingFrequency.SF_48000
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== a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_48000
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)
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assert (
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sbc_info.channel_mode
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== SbcMediaCodecInformation.ChannelMode.MONO
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| SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| SbcMediaCodecInformation.ChannelMode.STEREO
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| SbcMediaCodecInformation.ChannelMode.JOINT_STEREO
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== a2dp.SbcMediaCodecInformation.ChannelMode.MONO
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| a2dp.SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| a2dp.SbcMediaCodecInformation.ChannelMode.STEREO
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| a2dp.SbcMediaCodecInformation.ChannelMode.JOINT_STEREO
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)
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assert (
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sbc_info.block_length
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== SbcMediaCodecInformation.BlockLength.BL_4
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| SbcMediaCodecInformation.BlockLength.BL_8
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| SbcMediaCodecInformation.BlockLength.BL_12
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| SbcMediaCodecInformation.BlockLength.BL_16
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== a2dp.SbcMediaCodecInformation.BlockLength.BL_4
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_8
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_12
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_16
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)
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assert (
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sbc_info.subbands
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== SbcMediaCodecInformation.Subbands.S_4 | SbcMediaCodecInformation.Subbands.S_8
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== a2dp.SbcMediaCodecInformation.Subbands.S_4
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| a2dp.SbcMediaCodecInformation.Subbands.S_8
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)
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assert (
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sbc_info.allocation_method
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== SbcMediaCodecInformation.AllocationMethod.SNR
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| SbcMediaCodecInformation.AllocationMethod.LOUDNESS
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== a2dp.SbcMediaCodecInformation.AllocationMethod.SNR
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| a2dp.SbcMediaCodecInformation.AllocationMethod.LOUDNESS
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)
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assert sbc_info.minimum_bitpool_value == 2
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assert sbc_info.maximum_bitpool_value == 53
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sbc_info2 = SbcMediaCodecInformation(
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SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| SbcMediaCodecInformation.SamplingFrequency.SF_48000,
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SbcMediaCodecInformation.ChannelMode.MONO
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| SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| SbcMediaCodecInformation.ChannelMode.STEREO
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| SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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SbcMediaCodecInformation.BlockLength.BL_4
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| SbcMediaCodecInformation.BlockLength.BL_8
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| SbcMediaCodecInformation.BlockLength.BL_12
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| SbcMediaCodecInformation.BlockLength.BL_16,
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SbcMediaCodecInformation.Subbands.S_4 | SbcMediaCodecInformation.Subbands.S_8,
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SbcMediaCodecInformation.AllocationMethod.SNR
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| SbcMediaCodecInformation.AllocationMethod.LOUDNESS,
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sbc_info2 = a2dp.SbcMediaCodecInformation(
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a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_44100
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| a2dp.SbcMediaCodecInformation.SamplingFrequency.SF_48000,
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a2dp.SbcMediaCodecInformation.ChannelMode.MONO
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| a2dp.SbcMediaCodecInformation.ChannelMode.DUAL_CHANNEL
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| a2dp.SbcMediaCodecInformation.ChannelMode.STEREO
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| a2dp.SbcMediaCodecInformation.ChannelMode.JOINT_STEREO,
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a2dp.SbcMediaCodecInformation.BlockLength.BL_4
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_8
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_12
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| a2dp.SbcMediaCodecInformation.BlockLength.BL_16,
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a2dp.SbcMediaCodecInformation.Subbands.S_4
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| a2dp.SbcMediaCodecInformation.Subbands.S_8,
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a2dp.SbcMediaCodecInformation.AllocationMethod.SNR
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| a2dp.SbcMediaCodecInformation.AllocationMethod.LOUDNESS,
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2,
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53,
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)
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@@ -329,36 +347,36 @@ def test_sbc_codec_specific_information():
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# -----------------------------------------------------------------------------
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def test_aac_codec_specific_information():
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aac_info = AacMediaCodecInformation.from_bytes(bytes.fromhex("f0018c83e800"))
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aac_info = a2dp.AacMediaCodecInformation.from_bytes(bytes.fromhex("f0018c83e800"))
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assert (
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aac_info.object_type
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== AacMediaCodecInformation.ObjectType.MPEG_2_AAC_LC
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LC
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LTP
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_SCALABLE
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== a2dp.AacMediaCodecInformation.ObjectType.MPEG_2_AAC_LC
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LC
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LTP
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_SCALABLE
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)
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assert (
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aac_info.sampling_frequency
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== AacMediaCodecInformation.SamplingFrequency.SF_44100
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| AacMediaCodecInformation.SamplingFrequency.SF_48000
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== a2dp.AacMediaCodecInformation.SamplingFrequency.SF_44100
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| a2dp.AacMediaCodecInformation.SamplingFrequency.SF_48000
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)
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assert (
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aac_info.channels
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== AacMediaCodecInformation.Channels.MONO
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| AacMediaCodecInformation.Channels.STEREO
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== a2dp.AacMediaCodecInformation.Channels.MONO
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| a2dp.AacMediaCodecInformation.Channels.STEREO
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)
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assert aac_info.vbr == 1
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assert aac_info.bitrate == 256000
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aac_info2 = AacMediaCodecInformation(
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AacMediaCodecInformation.ObjectType.MPEG_2_AAC_LC
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LC
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LTP
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| AacMediaCodecInformation.ObjectType.MPEG_4_AAC_SCALABLE,
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AacMediaCodecInformation.SamplingFrequency.SF_44100
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| AacMediaCodecInformation.SamplingFrequency.SF_48000,
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AacMediaCodecInformation.Channels.MONO
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| AacMediaCodecInformation.Channels.STEREO,
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aac_info2 = a2dp.AacMediaCodecInformation(
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a2dp.AacMediaCodecInformation.ObjectType.MPEG_2_AAC_LC
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LC
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_LTP
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| a2dp.AacMediaCodecInformation.ObjectType.MPEG_4_AAC_SCALABLE,
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a2dp.AacMediaCodecInformation.SamplingFrequency.SF_44100
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| a2dp.AacMediaCodecInformation.SamplingFrequency.SF_48000,
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a2dp.AacMediaCodecInformation.Channels.MONO
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| a2dp.AacMediaCodecInformation.Channels.STEREO,
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1,
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256000,
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)
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@@ -368,25 +386,159 @@ def test_aac_codec_specific_information():
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# -----------------------------------------------------------------------------
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def test_opus_codec_specific_information():
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opus_info = OpusMediaCodecInformation.from_bytes(bytes([0x92]))
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assert opus_info.vendor_id == OpusMediaCodecInformation.VENDOR_ID
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assert opus_info.codec_id == OpusMediaCodecInformation.CODEC_ID
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assert opus_info.frame_size == OpusMediaCodecInformation.FrameSize.FS_20MS
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assert opus_info.channel_mode == OpusMediaCodecInformation.ChannelMode.STEREO
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opus_info = a2dp.OpusMediaCodecInformation.from_bytes(bytes([0x92]))
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assert opus_info.vendor_id == a2dp.OpusMediaCodecInformation.VENDOR_ID
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assert opus_info.codec_id == a2dp.OpusMediaCodecInformation.CODEC_ID
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assert opus_info.frame_size == a2dp.OpusMediaCodecInformation.FrameSize.FS_20MS
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assert opus_info.channel_mode == a2dp.OpusMediaCodecInformation.ChannelMode.STEREO
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assert (
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opus_info.sampling_frequency
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== OpusMediaCodecInformation.SamplingFrequency.SF_48000
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== a2dp.OpusMediaCodecInformation.SamplingFrequency.SF_48000
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)
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opus_info2 = OpusMediaCodecInformation(
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OpusMediaCodecInformation.ChannelMode.STEREO,
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OpusMediaCodecInformation.FrameSize.FS_20MS,
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OpusMediaCodecInformation.SamplingFrequency.SF_48000,
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opus_info2 = a2dp.OpusMediaCodecInformation(
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a2dp.OpusMediaCodecInformation.ChannelMode.STEREO,
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a2dp.OpusMediaCodecInformation.FrameSize.FS_20MS,
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a2dp.OpusMediaCodecInformation.SamplingFrequency.SF_48000,
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)
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assert opus_info2 == opus_info
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assert opus_info2.value == bytes([0x92])
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# -----------------------------------------------------------------------------
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async def test_sbc_parser():
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header = b'\x9c\x80\x08\x00'
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payload = b'\x00\x00\x00\x00\x00\x00'
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data = Data(header + payload)
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parser = a2dp.SbcParser(data.read)
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async for frame in parser.frames:
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assert frame.sampling_frequency == 44100
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assert frame.block_count == 4
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assert frame.channel_mode == 0
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assert frame.allocation_method == 0
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assert frame.subband_count == 4
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assert frame.bitpool == 8
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assert frame.payload == header + payload
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# -----------------------------------------------------------------------------
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async def test_sbc_packet_source():
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header = b'\x9c\x80\x08\x00'
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payload = b'\x00\x00\x00\x00\x00\x00'
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data = Data((header + payload) * 2)
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packet_source = a2dp.SbcPacketSource(data.read, 23)
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async for packet in packet_source.packets:
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assert packet.sequence_number == 0
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assert packet.timestamp == 0
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assert packet.payload == b'\x01' + header + payload
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# -----------------------------------------------------------------------------
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async def test_aac_parser():
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header = b'\xff\xf0\x10\x00\x01\xa0\x00'
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payload = b'\x00\x00\x00\x00\x00\x00'
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data = Data(header + payload)
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parser = a2dp.AacParser(data.read)
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async for frame in parser.frames:
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assert frame.profile == a2dp.AacFrame.Profile.MAIN
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assert frame.sampling_frequency == 44100
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assert frame.channel_configuration == 0
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assert frame.payload == payload
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# -----------------------------------------------------------------------------
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async def test_aac_packet_source():
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header = b'\xff\xf0\x10\x00\x01\xa0\x00'
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payload = b'\x00\x00\x00\x00\x00\x00'
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data = Data(header + payload)
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packet_source = a2dp.AacPacketSource(data.read, 0)
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async for packet in packet_source.packets:
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assert packet.sequence_number == 0
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assert packet.timestamp == 0
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assert packet.payload == b' \x00\x12\x00\x00\x000\x00\x00\x00\x00\x00\x00'
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|
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|
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# -----------------------------------------------------------------------------
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async def test_opus_parser():
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packed_header_data_revised = struct.pack(
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"<QIIIB",
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0, # granule_position
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2, # bitstream_serial_number
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2, # page_sequence_number
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0, # crc_checksum
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3, # page_segments
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)
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first_page_header_revised = (
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b'OggS' # Capture pattern
|
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+ b'\x00' # Version
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+ b'\x02' # Header type
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+ packed_header_data_revised
|
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)
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|
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segment_table_revised = b'\x0a\x08\x0a'
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|
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opus_head_packet_data = b'OpusHead' + b'\x00' + b'\x00'
|
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opus_tags_packet_data = b'OpusTags'
|
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audio_data_packet = b'0123456789'
|
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|
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data = Data(
|
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first_page_header_revised
|
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+ segment_table_revised
|
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+ opus_head_packet_data
|
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+ opus_tags_packet_data
|
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+ audio_data_packet
|
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)
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|
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parser = a2dp.OpusParser(data.read)
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async for packet in parser.packets:
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assert packet.channel_mode == a2dp.OpusPacket.ChannelMode.STEREO
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assert packet.payload == audio_data_packet
|
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|
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|
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# -----------------------------------------------------------------------------
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async def test_opus_packet_source():
|
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packed_header_data_revised = struct.pack(
|
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"<QIIIB",
|
||||
0, # granule_position
|
||||
2, # bitstream_serial_number
|
||||
2, # page_sequence_number
|
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0, # crc_checksum
|
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3, # page_segments
|
||||
)
|
||||
|
||||
first_page_header_revised = (
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b'OggS' # Capture pattern
|
||||
+ b'\x00' # Version
|
||||
+ b'\x02' # Header type
|
||||
+ packed_header_data_revised
|
||||
)
|
||||
|
||||
segment_table_revised = b'\x0a\x08\x0a'
|
||||
|
||||
opus_head_packet_data = b'OpusHead' + b'\x00' + b'\x00'
|
||||
opus_tags_packet_data = b'OpusTags'
|
||||
audio_data_packet = b'0123456789'
|
||||
|
||||
data = Data(
|
||||
first_page_header_revised
|
||||
+ segment_table_revised
|
||||
+ opus_head_packet_data
|
||||
+ opus_tags_packet_data
|
||||
+ audio_data_packet
|
||||
)
|
||||
|
||||
parser = a2dp.OpusPacketSource(data.read, 0)
|
||||
async for packet in parser.packets:
|
||||
assert packet.sequence_number == 0
|
||||
assert packet.timestamp == 0
|
||||
assert packet.payload == b'\x01' + audio_data_packet
|
||||
|
||||
|
||||
# -----------------------------------------------------------------------------
|
||||
async def async_main():
|
||||
test_sbc_codec_specific_information()
|
||||
@@ -394,6 +546,12 @@ async def async_main():
|
||||
test_opus_codec_specific_information()
|
||||
await test_self_connection()
|
||||
await test_source_sink_1()
|
||||
test_sbc_parser()
|
||||
test_sbc_packet_source()
|
||||
test_aac_parser()
|
||||
test_aac_packet_source()
|
||||
test_opus_parser()
|
||||
test_opus_packet_source()
|
||||
|
||||
|
||||
# -----------------------------------------------------------------------------
|
||||
|
||||
Reference in New Issue
Block a user