257 lines
9.3 KiB
Julia
Executable file
257 lines
9.3 KiB
Julia
Executable file
#!/usr/bin/env julia
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using Base.Sys: iswindows
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using PortAudio:
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combine_default_sample_rates,
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devices,
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get_default_input_index,
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get_default_output_index,
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get_device_info,
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get_input_type,
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get_output_type,
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handle_status,
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initialize,
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PortAudioException,
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PortAudio,
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PortAudioDevice,
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PortAudioStream,
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safe_load,
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seek_alsa_conf,
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terminate
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using PortAudio.LibPortAudio:
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Pa_AbortStream,
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PaError,
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PaErrorCode,
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paFloat32,
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Pa_GetDefaultHostApi,
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Pa_GetDeviceInfo,
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Pa_GetHostApiCount,
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Pa_GetLastHostErrorInfo,
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Pa_GetSampleSize,
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Pa_GetStreamCpuLoad,
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Pa_GetStreamInfo,
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Pa_GetStreamReadAvailable,
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Pa_GetStreamTime,
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Pa_GetStreamWriteAvailable,
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Pa_GetVersionInfo,
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Pa_HostApiDeviceIndexToDeviceIndex,
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paHostApiNotFound,
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Pa_HostApiTypeIdToHostApiIndex,
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PaHostErrorInfo,
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paInDevelopment,
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paInvalidDevice,
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Pa_IsFormatSupported,
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Pa_IsStreamActive,
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paNoError,
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paNoFlag,
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paNotInitialized,
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Pa_OpenDefaultStream,
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paOutputUnderflowed,
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Pa_SetStreamFinishedCallback,
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Pa_Sleep,
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Pa_StopStream,
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PaStream,
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PaStreamInfo,
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PaStreamParameters,
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PaVersionInfo
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using SampledSignals: nchannels, s, SampleBuf, samplerate, SinSource
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using Test: @test, @test_logs, @test_nowarn, @testset, @test_throws
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@testset "Tests without sound" begin
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@testset "Reports version" begin
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io = IOBuffer()
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PortAudio.versioninfo(io)
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result = split(String(take!((io))), "\n")
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# make sure this is the same version I tested with
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@test startswith(result[1], "PortAudio V19")
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end
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@testset "Can list devices without crashing" begin
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display(devices())
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println()
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end
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@testset "libortaudio without sound" begin
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@test handle_status(Pa_GetHostApiCount()) >= 0
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@test handle_status(Pa_GetDefaultHostApi()) >= 0
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# version info not available on windows?
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if !Sys.iswindows()
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@test safe_load(Pa_GetVersionInfo(), ErrorException("no info")) isa
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PaVersionInfo
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end
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@test safe_load(Pa_GetLastHostErrorInfo(), ErrorException("no info")) isa
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PaHostErrorInfo
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@test PaErrorCode(Pa_IsFormatSupported(C_NULL, C_NULL, 0.0)) == paInvalidDevice
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@test PaErrorCode(
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Pa_OpenDefaultStream(Ref(C_NULL), 0, 0, paFloat32, 0.0, 0, C_NULL, C_NULL),
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) == paInvalidDevice
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end
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@testset "Errors without sound" begin
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@test sprint(showerror, PortAudioException(paNotInitialized)) ==
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"PortAudioException: PortAudio not initialized"
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@test_throws KeyError("foobarbaz") get_device_info("foobarbaz")
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@test_throws KeyError(-1) get_device_info(-1)
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@test_throws ArgumentError("Could not find alsa.conf in ()") seek_alsa_conf(())
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@test_logs (:warn, "libportaudio: Output underflowed") handle_status(
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PaError(paOutputUnderflowed),
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)
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@test_throws PortAudioException(paNotInitialized) handle_status(
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PaError(paNotInitialized),
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)
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Pa_Sleep(1)
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@test Pa_GetSampleSize(paFloat32) == 4
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@test_throws MethodError(get_input_type, (Any,)) get_input_type(Any)
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@test_throws MethodError(get_output_type, (Any,)) get_output_type(Any)
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end
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end
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if !isempty(devices())
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# make sure we can terminate, then reinitialize
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terminate()
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initialize()
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# these default values are specific to local machines
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input_index = get_default_input_index()
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default_input_device = get_device_info(input_index)
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default_input_device_name = default_input_device.name
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output_index = get_default_output_index()
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default_output_device = get_device_info(output_index)
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default_output_device_name = default_output_device.name
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@testset "Tests with sound" begin
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@testset "Interactive tests" begin
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println("Recording...")
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stream = PortAudioStream(2, 0)
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buffer = read(stream, 5s)
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sleep(1)
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@test size(buffer) ==
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(round(Int, 5 * samplerate(stream)), nchannels(stream.source))
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close(stream)
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println("Playing back recording...")
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PortAudioStream(0, 2) do stream
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write(stream, buffer)
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end
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sleep(1)
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println("Testing pass-through")
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stream = PortAudioStream(2, 2)
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sink = stream.sink
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source = stream.source
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@test sprint(show, stream) == """
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PortAudioStream{Float32}
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Samplerate: 44100.0Hz
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2 channel sink: $(repr(default_output_device_name))
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2 channel source: $(repr(default_input_device_name))"""
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@test sprint(show, sink) == "2 channel sink: $(repr(default_input_device_name))"
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@test sprint(show, source) ==
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"2 channel source: $(repr(default_output_device_name))"
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write(stream, stream, 5s)
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sleep(1)
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@test PaErrorCode(handle_status(Pa_StopStream(stream.pointer_to))) == paNoError
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@test isopen(stream)
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close(stream)
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@test !isopen(stream)
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@test !isopen(sink)
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@test !isopen(source)
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println("done")
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end
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@testset "Samplerate-converting writing" begin
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PortAudioStream(0, 2) do stream
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write(
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stream,
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SinSource(eltype(stream), samplerate(stream) * 0.8, [220, 330]),
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3s,
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)
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sleep(1)
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write(
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stream,
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SinSource(eltype(stream), samplerate(stream) * 1.2, [220, 330]),
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3s,
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)
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sleep(1)
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end
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end
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@testset "Open Device by name" begin
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PortAudioStream(default_input_device_name, default_output_device_name) do stream
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end
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end
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# no way to check that the right data is actually getting read or written here,
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# but at least it's not crashing.
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@testset "Queued Writing" begin
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PortAudioStream(0, 2) do stream
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buffer = SampleBuf(
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rand(eltype(stream), 48000, nchannels(stream.sink)) * 0.1,
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samplerate(stream),
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)
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frame_count_1 = @async write(stream, buffer)
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frame_count_2 = @async write(stream, buffer)
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@test fetch(frame_count_1) == 48000
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sleep(1)
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@test fetch(frame_count_2) == 48000
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sleep(1)
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end
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end
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@testset "Queued Reading" begin
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PortAudioStream(2, 0) do stream
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buffer = SampleBuf(
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rand(eltype(stream), 48000, nchannels(stream.source)) * 0.1,
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samplerate(stream),
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)
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frame_count_1 = @async read!(stream, buffer)
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frame_count_2 = @async read!(stream, buffer)
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@test fetch(frame_count_1) == 48000
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sleep(1)
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@test fetch(frame_count_2) == 48000
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sleep(1)
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end
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end
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@testset "Constructors" begin
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PortAudioStream(2, max; call_back = C_NULL) do stream
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@test isopen(stream)
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end
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PortAudioStream(default_input_device_name) do stream
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@test isopen(stream)
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end
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end
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@testset "Errors with sound" begin
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big = typemax(Int)
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@test_throws DomainError(
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typemax(Int),
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"$big exceeds max input channels for $default_input_device_name",
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) PortAudioStream(big, 0)
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@test_throws ArgumentError("Input or output must have at least 1 channel") PortAudioStream(
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0,
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0,
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)
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@test_throws ArgumentError("""
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Default sample rate 0 for input $default_input_device_name disagrees with
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default sample rate 1 for output $default_output_device_name.
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Please specify a sample rate.
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""") combine_default_sample_rates(
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default_input_device,
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0,
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default_output_device,
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1,
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)
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end
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@testset "libportaudio with sound" begin
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@test PaErrorCode(Pa_HostApiTypeIdToHostApiIndex(paInDevelopment)) ==
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paHostApiNotFound
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@test Pa_HostApiDeviceIndexToDeviceIndex(paInDevelopment, 0) == 0
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stream = PortAudioStream(2, 2)
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pointer_to = stream.pointer_to
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@test handle_status(Pa_GetStreamReadAvailable(pointer_to)) >= 0
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@test handle_status(Pa_GetStreamWriteAvailable(pointer_to)) >= 0
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@test Bool(handle_status(Pa_IsStreamActive(pointer_to)))
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@test safe_load(Pa_GetStreamInfo(pointer_to), ErrorException("no info")) isa
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PaStreamInfo
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@test Pa_GetStreamTime(pointer_to) >= 0
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@test Pa_GetStreamCpuLoad(pointer_to) >= 0
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@test PaErrorCode(handle_status(Pa_AbortStream(pointer_to))) == paNoError
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@test PaErrorCode(
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handle_status(Pa_SetStreamFinishedCallback(pointer_to, C_NULL)),
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) == paNoError
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end
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end
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end
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# sample rates disagree
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