zymon/PortAudio.jl
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fixes error with multichannel reading

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This commit is contained in:
Spencer Russell 2016-08-08 21:28:34 -04:00
parent ede482ce6f
commit 2cc49cc3e0
2 changed files with 4 additions and 3 deletions
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3
src/PortAudio.jl
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@ -278,7 +278,8 @@ function SampledSignals.unsafe_read!(source::PortAudioSource, buf::SampleBuf)
wait(source.ringbuf)
end
# in 0.4 transpose! throws an error if the range is a UInt
toread = Int(min(nreadable(source.ringbuf), CHUNKSIZE, total-nread))
readable = div(nreadable(source.ringbuf), nchannels(source))
toread = Int(min(readable, CHUNKSIZE, total-nread))
read!(source.ringbuf, source.chunkbuf, toread*nchannels(source))
# de-interleave the samples
# TODO: don't directly access buf.data

4
test/runtests.jl
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@ -117,8 +117,8 @@ using RingBuffers
end
@testset "Samplerate-converting writing" begin
stream = PortAudioStream()
write(stream, SinSource(eltype(stream), samplerate(stream)*0.8, [220Hz, 330Hz]), 10s)
write(stream, SinSource(eltype(stream), samplerate(stream)*1.2, [220Hz, 330Hz]), 10s)
write(stream, SinSource(eltype(stream), samplerate(stream)*0.5, [220Hz, 330Hz]), 3s)
write(stream, SinSource(eltype(stream), samplerate(stream)*1.5, [220Hz, 330Hz]), 3s)
flush(stream)
close(stream)
end