zymon/PortAudio.jl
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Ref usage wasn't working on 0.6

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This commit is contained in:
Spencer Russell 2018-08-16 14:41:50 -04:00
parent 308e88b7cf
commit bc32d13f7d
1 changed files with 9 additions and 3 deletions
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12
src/libportaudio.jl
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@ -159,13 +159,19 @@ end
function Pa_OpenStream(inParams, outParams,
sampleRate, framesPerBuffer,
flags::PaStreamFlags,
callback, userdata::T) where T
callback, userdata)
streamPtr = Ref{PaStream}(0)
err = ccall((:Pa_OpenStream, libportaudio), PaError,
(Ref{PaStream}, Ref{Pa_StreamParameters}, Ref{Pa_StreamParameters},
Cdouble, Culong, PaStreamFlags, Ref{Cvoid}, Ref{T}),
Cdouble, Culong, PaStreamFlags, Ref{Cvoid},
# it seems like we should be able to use Ref{T} here, with
# userdata::T above, and avoid the `pointer_from_objref` below.
# that's not working on 0.6 though, and it shouldn't really
# matter because userdata should be GC-rooted anyways
Ptr{Cvoid}),
streamPtr, inParams, outParams,
sampleRate, framesPerBuffer, flags, callback, userdata)
sampleRate, framesPerBuffer, flags, callback,
pointer_from_objref(userdata))
handle_status(err)
streamPtr[]
end