zymon/PortAudio.jl
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exposed pa stream latency

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This commit is contained in:
jakubwro 2020-02-11 00:11:21 +01:00
parent 93916a630d
commit 3ffdbb9bc9
1 changed files with 5 additions and 5 deletions
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src/PortAudio.jl
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@ -78,15 +78,15 @@ mutable struct PortAudioStream{T}
# TODO: write a latency tester app # TODO: write a latency tester app
function PortAudioStream{T}(indev::PortAudioDevice, outdev::PortAudioDevice, function PortAudioStream{T}(indev::PortAudioDevice, outdev::PortAudioDevice,
inchans, outchans, sr, blocksize, inchans, outchans, sr, blocksize,
warn_xruns) where {T} warn_xruns, latency) where {T}
inchans = inchans == -1 ? indev.maxinchans : inchans inchans = inchans == -1 ? indev.maxinchans : inchans
outchans = outchans == -1 ? outdev.maxoutchans : outchans outchans = outchans == -1 ? outdev.maxoutchans : outchans
inparams = (inchans == 0) ? inparams = (inchans == 0) ?
Ptr{Pa_StreamParameters}(0) : Ptr{Pa_StreamParameters}(0) :
Ref(Pa_StreamParameters(indev.idx, inchans, type_to_fmt[T], 0.1, C_NULL)) Ref(Pa_StreamParameters(indev.idx, inchans, type_to_fmt[T], latency, C_NULL))
outparams = (outchans == 0) ? outparams = (outchans == 0) ?
Ptr{Pa_StreamParameters}(0) : Ptr{Pa_StreamParameters}(0) :
Ref(Pa_StreamParameters(outdev.idx, outchans, type_to_fmt[T], 0.1, C_NULL)) Ref(Pa_StreamParameters(outdev.idx, outchans, type_to_fmt[T], latency, C_NULL))
this = new(sr, blocksize, C_NULL, warn_xruns) this = new(sr, blocksize, C_NULL, warn_xruns)
# finalizer(close, this) # finalizer(close, this)
this.sink = PortAudioSink{T}(outdev.name, this, outchans) this.sink = PortAudioSink{T}(outdev.name, this, outchans)
@ -127,7 +127,7 @@ Options:
""" """
function PortAudioStream(indev::PortAudioDevice, outdev::PortAudioDevice, function PortAudioStream(indev::PortAudioDevice, outdev::PortAudioDevice,
inchans=2, outchans=2; eltype=Float32, samplerate=-1, blocksize=DEFAULT_BLOCKSIZE, inchans=2, outchans=2; eltype=Float32, samplerate=-1, blocksize=DEFAULT_BLOCKSIZE,
warn_xruns=false) warn_xruns=false, latency=0.1)
if samplerate == -1 if samplerate == -1
sampleratein = indev.defaultsamplerate sampleratein = indev.defaultsamplerate
samplerateout = outdev.defaultsamplerate samplerateout = outdev.defaultsamplerate
@ -142,7 +142,7 @@ function PortAudioStream(indev::PortAudioDevice, outdev::PortAudioDevice,
samplerate = samplerateout samplerate = samplerateout
end end
end end
PortAudioStream{eltype}(indev, outdev, inchans, outchans, samplerate, blocksize, warn_xruns) PortAudioStream{eltype}(indev, outdev, inchans, outchans, samplerate, blocksize, warn_xruns, latency)
end end
# handle device names given as streams # handle device names given as streams