120 lines
4.4 KiB
Julia
Executable file
120 lines
4.4 KiB
Julia
Executable file
#!/usr/bin/env julia
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if VERSION >= v"0.5.0-dev+7720"
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using Base.Test
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else
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using BaseTestNext
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end
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using PortAudio
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using SampledSignals
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using RingBuffers
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# these test are currently set up to run on OSX
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@testset "PortAudio Tests" begin
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devs = PortAudio.devices()
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i = findfirst(d -> d.maxinchans > 0, devs)
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indev = i > 0 ? devs[i] : nothing
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i = findfirst(d -> d.maxoutchans > 0, devs)
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outdev = i > 0 ? devs[i] : nothing
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i = findfirst(d -> d.maxoutchans > 0 && d.maxinchans > 0, devs)
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duplexdev = i > 0 ? devs[i] : nothing
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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 = takebuf_string(io)
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# make sure this is the same version I tested with
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@test result ==
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"""PortAudio V19-devel (built Aug 6 2014 17:54:39)
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Version Number: 1899
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"""
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end
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@testset "PortAudio Callback works and doesn't allocate" begin
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inbuf = rand(Float32, 16) # simulate microphone input
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sourcebuf = LockFreeRingBuffer(Float32, 64) # the microphone input should end up here
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testin = zeros(Float32, 16)
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outbuf = zeros(Float32, 24) # this is where the output should go
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sinkbuf = LockFreeRingBuffer(Float32, 64) # the callback should copy this to outbuf
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testout = rand(Float32, 24)
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write(sinkbuf, testout) # fill the output ringbuffer
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info = PortAudio.CallbackInfo(2, sourcebuf, 3, sinkbuf)
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# handle any conversions here so they don't mess with the allocation
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inptr = pointer(inbuf)
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outptr = pointer(outbuf)
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nframes = Culong(8)
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flags = Culong(0)
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infoptr = Ptr{PortAudio.CallbackInfo{Float32}}(pointer_from_objref(info))
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ret = PortAudio.portaudio_callback(inptr, outptr, nframes, C_NULL, flags, infoptr)
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@test isa(ret, Cint)
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@test ret == PortAudio.paContinue
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@test outbuf == testout
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read!(sourcebuf, testin)
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@test inbuf == testin
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# call again (underrun)
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ret = PortAudio.portaudio_callback(inptr, outptr, nframes, C_NULL, flags, infoptr)
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@test isa(ret, Cint)
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@test ret == PortAudio.paContinue
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@test outbuf == zeros(Float32, 24)
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write(sinkbuf, testout) # fill the output ringbuffer
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# test allocation
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alloc = @allocated PortAudio.portaudio_callback(inptr, outptr, nframes, C_NULL, flags, infoptr)
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@test alloc == 0
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# now test allocation in underrun state
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alloc = @allocated PortAudio.portaudio_callback(inptr, outptr, nframes, C_NULL, flags, infoptr)
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@test alloc == 0
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end
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@testset "Open Default Device" begin
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stream = PortAudioStream()
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buf = read(stream, 0.001s)
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@test size(buf) == (round(Int, 0.001s * samplerate(stream)), nchannels(stream.source))
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write(stream, buf)
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close(stream)
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end
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@testset "Open Device by name" begin
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stream = PortAudioStream("Built-in Microph", "Built-in Output")
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buf = read(stream, 0.001s)
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@test size(buf) == (round(Int, 0.001s * samplerate(stream)), nchannels(stream.source))
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write(stream, buf)
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io = IOBuffer()
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show(io, stream)
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@test takebuf_string(io) == """
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PortAudio.PortAudioStream{Float32,SIUnits.SIQuantity{Int64,0,0,-1,0,0,0,0,0,0}}
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Samplerate: 48000 s⁻¹
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Buffer Size: 4096 frames
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2 channel sink: "Built-in Output"
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2 channel source: "Built-in Microph\""""
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close(stream)
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end
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@testset "Error on wrong name" begin
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@test_throws ErrorException PortAudioStream("foobarbaz")
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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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stream = PortAudioStream(0, 2)
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buf = SampleBuf(rand(eltype(stream), 48000, nchannels(stream.sink)), samplerate(stream))
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t1 = @async write(stream, buf)
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t2 = @async write(stream, buf)
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@test wait(t1) == 48000
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@test wait(t2) == 48000
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close(stream)
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end
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@testset "Queued Reading" begin
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stream = PortAudioStream(2, 0)
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buf = SampleBuf(rand(eltype(stream), 48000, nchannels(stream.source)), samplerate(stream))
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t1 = @async read!(stream, buf)
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t2 = @async read!(stream, buf)
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@test wait(t1) == 48000
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@test wait(t2) == 48000
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close(stream)
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end
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end
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