massive restructuring. mono output to default sink works
This commit is contained in:
Spencer Russell
parent
80d329eb39
commit
fae9b38224
4 changed files with 363 additions and 286 deletions
1
REQUIRE
1
REQUIRE
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@ -1,5 +1,6 @@
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julia 0.4
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BinDeps
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Compat
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Devectorize
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@osx Homebrew
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@windows WinRPM
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503
src/PortAudio.jl
503
src/PortAudio.jl
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@ -1,261 +1,324 @@
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module PortAudio
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using SampleTypes
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using Compat
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using FixedPointNumbers
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using Devectorize
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using RingBuffers
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# Get binary dependencies loaded from BinDeps
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include( "../deps/deps.jl")
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include("libportaudio.jl")
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# Info about the hardware device
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type DeviceInfo
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sample_rate::Float32
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buf_size::Integer
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end
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export PortAudioSink, PortAudioSource
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function devices()
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return get_portaudio_devices()
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end
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# initialize PortAudio on module load
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Pa_Initialize()
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type PortAudioStream
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info::DeviceInfo
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show_warnings::Bool
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stream::PaStream
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function PortAudioStream(sample_rate=44100Hz,
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buf_size::Integer=1024,
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show_warnings::Bool=false)
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# Pa_Initialize can be called multiple times, as long as each is
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# paired with Pa_Terminate()
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Pa_Initialize()
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stream = Pa_OpenDefaultStream(2, 2, paFloat32, Int(sample_rate), buf_size)
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Pa_StartStream(stream)
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this = new(root, DeviceInfo(sample_rate, buf_size), show_warnings, stream)
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@schedule(portaudio_task(this))
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finalizer(this, close)
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this
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end
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end
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type PortAudioSink <: SampleSink
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stream::PaStream
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end
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type PortAudioSource <: SampleSource
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stream::PaStream
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end
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function close(stream::PortAudioStream)
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Pa_StopStream(stream.stream)
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Pa_CloseStream(stream.stream)
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Pa_Terminate()
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end
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type Pa_StreamParameters
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device::PaDeviceIndex
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channelCount::Cint
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sampleFormat::PaSampleFormat
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suggestedLatency::PaTime
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hostAPISpecificStreamInfo::Ptr{Void}
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end
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type PortAudioInterface <: AudioInterface
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name::AbstractString
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host_api::AbstractString
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type PortAudioDevice
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name::UTF8String
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host_api::UTF8String
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max_input_channels::Int
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max_output_channels::Int
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device_index::PaDeviceIndex
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end
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function devices()
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ndevices = Pa_GetDeviceCount()
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infos = PaDeviceInfo[Pa_GetDeviceInfo(i) for i in 0:(ndevices - 1)]
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type Pa_AudioStream <: AudioStream
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root::AudioMixer
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info::DeviceInfo
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show_warnings::Bool
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[PortAudioDevice(bytestring(d.name),
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bytestring(Pa_GetHostApiInfo(d.host_api).name),
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d.max_input_channels,
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d.max_output_channels,
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i-1)
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for (i, d) in enumerate(infos)]
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end
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# paramaterized on the sample type and sampling rate type
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type PortAudioSink{T, U} <: SampleSink
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stream::PaStream
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sformat::PaSampleFormat
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sbuffer::Array{Real}
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sbuffer_output_waiting::Integer
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parent_may_use_buffer::Bool
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nchannels::Int
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samplerate::U
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bufsize::Int
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ringbuf::RingBuffer
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open::Bool
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task::Task
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"""
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Get device parameters needed for opening with portaudio
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default is input as 44100/16bit int, same as CD audio type input
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"""
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function Pa_AudioStream(device_index, channels=2, input=false,
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sample_rate::Integer=44100,
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framesPerBuffer::Integer=2048,
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show_warnings::Bool=false,
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sample_format::PaSampleFormat=paInt16)
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require_portaudio_init()
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stream = Pa_OpenStream(device_index, channels, input, sample_format,
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Cdouble(sample_rate), Culong(framesPerBuffer))
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function PortAudioSink(eltype, rate, channels, bufsize)
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stream = Pa_OpenDefaultStream(0, channels, type_to_fmt[eltype], float(rate), bufsize)
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writers = Condition[]
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# we want the ringbuf to output zeros to portaudio if it runs out of samples
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ringbuf = RingBuffer(eltype, RINGBUF_FRAMES, channels; underflow=PAD)
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Pa_StartStream(stream)
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root = AudioMixer()
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datatype = PaSampleFormat_to_T(sample_format)
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sbuf = ones(datatype, framesPerBuffer)
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this = new(root, DeviceInfo(sample_rate, framesPerBuffer),
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show_warnings, stream, sample_format, sbuf, 0, false)
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info("Scheduling PortAudio Render Task...")
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if input
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@schedule(pa_input_task(this))
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else
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@schedule(pa_output_task(this))
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end
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this = new(stream, channels, rate, bufsize, ringbuf, true)
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this.task = @schedule sinktask(this)
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finalizer(this, close)
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yield()
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this
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end
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end
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"""
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Blocking read from a Pa_AudioStream that is open as input
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"""
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function read_Pa_AudioStream(stream::Pa_AudioStream)
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while true
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while stream.parent_may_use_buffer == false
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sleep(0.001)
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end
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buffer = deepcopy(stream.sbuffer)
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stream.parent_may_use_buffer = false
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return buffer
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end
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PortAudioSink(eltype=Float32, rate=48000Hz, channels=2, bufsize=DEFAULT_BUFSIZE) =
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PortAudioSink{eltype, typeof(rate)}(eltype, rate, channels, bufsize)
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const DEFAULT_BUFSIZE=4096
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const RINGBUF_FRAMES = 131072
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function Base.close(sink::PortAudioSink)
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sink.open = false
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# no task switches inside finalizer, not sure if we'll need this or not
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# wait(sink.task)
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Pa_StopStream(sink.stream)
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Pa_CloseStream(sink.stream)
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end
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"""
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Blocking write to a Pa_AudioStream that is open for output
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"""
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function write_Pa_AudioStream(stream::Pa_AudioStream, buffer)
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retval = 1
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sbufsize = length(stream.sbuffer)
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inputlen = length(buffer)
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if(inputlen > sbufsize)
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info("Overflow at write_Pa_AudioStream")
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retval = 0
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elseif(inputlen < sbufsize)
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info("Underflow at write_Pa_AudioStream")
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retval = -1
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end
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while true
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while stream.parent_may_use_buffer == false
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sleep(0.001)
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end
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for idx in 1:min(sbufsize, inputlen)
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stream.sbuffer[idx] = buffer[idx]
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end
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stream.parent_may_use_buffer = false
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end
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retval
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SampleTypes.nchannels(sink::PortAudioSink) = sink.nchannels
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SampleTypes.samplerate(sink::PortAudioSink) = sink.samplerate
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Base.eltype{T, U}(sink::PortAudioSink{T, U}) = T
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# type PortAudioSource <: SampleSource
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# stream::PaStream
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# end
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function SampleTypes.unsafe_write(sink::PortAudioSink, buf::SampleBuf)
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write(sink.ringbuf, buf)
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end
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############ Internal Functions ############
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# function SampleTypes.unsafe_read!(sink::PortAudioSource, buf::SampleBuf)
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# end
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function portaudio_task(stream::PortAudioStream)
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info("PortAudio Render Task Running...")
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n = bufsize(stream)
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buffer = zeros(AudioSample, n)
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function sinktask(sink::PortAudioSink)
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println("starting sink task")
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buffer = Array(eltype(sink), sink.bufsize, nchannels(sink))
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try
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while true
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while Pa_GetStreamReadAvailable(stream.stream) < n
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sleep(0.005)
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while sink.open
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total = Pa_GetStreamWriteAvailable(sink.stream)
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written = 0
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while(written < total)
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tocopy = min(size(buffer, 1), total - written)
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read!(sink.ringbuf, sub(buffer, 1:tocopy, :))
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# TODO: this will only work for mono streams
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Pa_WriteStream(sink.stream, buffer, tocopy, true)
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written += tocopy
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end
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Pa_ReadStream(stream.stream, buffer, n, stream.show_warnings)
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# assume the root is always active
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rendered = render(stream.root.renderer, buffer, stream.info)::AudioBuf
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for i in 1:length(rendered)
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buffer[i] = rendered[i]
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end
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for i in (length(rendered)+1):n
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buffer[i] = 0.0
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end
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while Pa_GetStreamWriteAvailable(stream.stream) < n
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sleep(0.005)
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end
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Pa_WriteStream(stream.stream, buffer, n, stream.show_warnings)
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end
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catch ex
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warn("Audio Task died with exception: $ex")
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Base.show_backtrace(STDOUT, catch_backtrace())
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end
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end
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"""
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Get input device data, pass as a producer, no rendering
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"""
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function pa_input_task(stream::Pa_AudioStream)
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info("PortAudio Input Task Running...")
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n = bufsize(stream)
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datatype = PaSampleFormat_to_T(stream.sformat)
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# bigger ccall buffer to avoid overflow related errors
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buffer = zeros(datatype, n * 8)
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try
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while true
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while Pa_GetStreamReadAvailable(stream.stream) < n
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sleep(0.005)
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end
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while stream.parent_may_use_buffer
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sleep(0.005)
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end
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err = ccall((:Pa_ReadStream, libportaudio), PaError,
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(PaStream, Ptr{Void}, Culong),
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stream.stream, buffer, n)
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handle_status(err, stream.show_warnings)
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stream.sbuffer[1: n] = buffer[1: n]
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stream.parent_may_use_buffer = true
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sleep(0.005)
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end
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catch ex
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warn("Audio Input Task died with exception: $ex")
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warn("PortAudio Sink Task died with exception: $ex")
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Base.show_backtrace(STDOUT, catch_backtrace())
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end
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println("sink task finished")
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end
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"""
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Send output device data, no rendering
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"""
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function pa_output_task(stream::Pa_AudioStream)
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info("PortAudio Output Task Running...")
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n = bufsize(stream)
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try
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while true
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navail = stream.sbuffer_output_waiting
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if navail > n
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info("Possible output buffer overflow in stream")
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navail = n
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end
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if (navail > 1) & (stream.parent_may_use_buffer == false) &
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(Pa_GetStreamWriteAvailable(stream.stream) < navail)
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Pa_WriteStream(stream.stream, stream.sbuffer,
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navail, stream.show_warnings)
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stream.parent_may_use_buffer = true
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else
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sleep(0.005)
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end
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end
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catch ex
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warn("Audio Output Task died with exception: $ex")
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Base.show_backtrace(STDOUT, catch_backtrace())
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end
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end
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# function sourcetask(sink::PortAudioSource)
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# while sink.open
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# end
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#
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# while Pa_GetStreamReadAvailable(stream.stream) < n
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# sleep(0.005)
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# end
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# Pa_ReadStream(stream.stream, buffer, n, stream.show_warnings)
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# # assume the root is always active
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# rendered = render(stream.root.renderer, buffer, stream.info)::AudioBuf
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# for i in 1:length(rendered)
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# buffer[i] = rendered[i]
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# end
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# for i in (length(rendered)+1):n
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# buffer[i] = 0.0
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# end
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# while Pa_GetStreamWriteAvailable(stream.stream) < n
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# sleep(0.005)
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# end
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# Pa_WriteStream(stream.stream, buffer, n, stream.show_warnings)
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# end
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function get_portaudio_devices()
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require_portaudio_init()
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device_count = ccall((:Pa_GetDeviceCount, libportaudio), PaDeviceIndex, ())
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pa_devices = [ [Pa_GetDeviceInfo(i), i] for i in 0:(device_count - 1)]
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[PortAudioInterface(bytestring(d[1].name),
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bytestring(Pa_GetHostApiInfo(d[1].host_api).name),
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d[1].max_input_channels,
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d[1].max_output_channels,
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d[2])
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for d in pa_devices]
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end
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function require_portaudio_init()
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# can be called multiple times with no effect
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global portaudio_inited
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if !portaudio_inited
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info("Initializing PortAudio. Expect errors as we scan devices")
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Pa_Initialize()
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portaudio_inited = true
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end
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end
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# type Pa_AudioStream <: AudioStream
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# root::AudioMixer
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# info::DeviceInfo
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# show_warnings::Bool
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# stream::PaStream
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# sformat::PaSampleFormat
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# sbuffer::Array{Real}
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# sbuffer_output_waiting::Integer
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# parent_may_use_buffer::Bool
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#
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# """
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# Get device parameters needed for opening with portaudio
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# default is input as 44100/16bit int, same as CD audio type input
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# """
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# function Pa_AudioStream(device_index, channels=2, input=false,
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# sample_rate::Integer=44100,
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# framesPerBuffer::Integer=2048,
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# show_warnings::Bool=false,
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# sample_format::PaSampleFormat=paInt16)
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# require_portaudio_init()
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# stream = Pa_OpenStream(device_index, channels, input, sample_format,
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# Cdouble(sample_rate), Culong(framesPerBuffer))
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# Pa_StartStream(stream)
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# root = AudioMixer()
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# datatype = PaSampleFormat_to_T(sample_format)
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# sbuf = ones(datatype, framesPerBuffer)
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# this = new(root, DeviceInfo(sample_rate, framesPerBuffer),
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# show_warnings, stream, sample_format, sbuf, 0, false)
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# info("Scheduling PortAudio Render Task...")
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# if input
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# @schedule(pa_input_task(this))
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# else
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# @schedule(pa_output_task(this))
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# end
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# this
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# end
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# end
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#
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# """
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# Blocking read from a Pa_AudioStream that is open as input
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# """
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# function read_Pa_AudioStream(stream::Pa_AudioStream)
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# while true
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# while stream.parent_may_use_buffer == false
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# sleep(0.001)
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# end
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# buffer = deepcopy(stream.sbuffer)
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# stream.parent_may_use_buffer = false
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# return buffer
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# end
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# end
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#
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# """
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# Blocking write to a Pa_AudioStream that is open for output
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# """
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# function write_Pa_AudioStream(stream::Pa_AudioStream, buffer)
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# retval = 1
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# sbufsize = length(stream.sbuffer)
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# inputlen = length(buffer)
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# if(inputlen > sbufsize)
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# info("Overflow at write_Pa_AudioStream")
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# retval = 0
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# elseif(inputlen < sbufsize)
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# info("Underflow at write_Pa_AudioStream")
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# retval = -1
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# end
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# while true
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# while stream.parent_may_use_buffer == false
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# sleep(0.001)
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# end
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# for idx in 1:min(sbufsize, inputlen)
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# stream.sbuffer[idx] = buffer[idx]
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# end
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# stream.parent_may_use_buffer = false
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# end
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# retval
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# end
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#
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# ############ Internal Functions ############
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#
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# function portaudio_task(stream::PortAudioStream)
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# info("PortAudio Render Task Running...")
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# n = bufsize(stream)
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# buffer = zeros(AudioSample, n)
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# try
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# while true
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# while Pa_GetStreamReadAvailable(stream.stream) < n
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# sleep(0.005)
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# end
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# Pa_ReadStream(stream.stream, buffer, n, stream.show_warnings)
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# # assume the root is always active
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# rendered = render(stream.root.renderer, buffer, stream.info)::AudioBuf
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# for i in 1:length(rendered)
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# buffer[i] = rendered[i]
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# end
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# for i in (length(rendered)+1):n
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# buffer[i] = 0.0
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# end
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# while Pa_GetStreamWriteAvailable(stream.stream) < n
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# sleep(0.005)
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# end
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# Pa_WriteStream(stream.stream, buffer, n, stream.show_warnings)
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# end
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# catch ex
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# warn("Audio Task died with exception: $ex")
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# Base.show_backtrace(STDOUT, catch_backtrace())
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# end
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# end
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#
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# """
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# Get input device data, pass as a producer, no rendering
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# """
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# function pa_input_task(stream::Pa_AudioStream)
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# info("PortAudio Input Task Running...")
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# n = bufsize(stream)
|
||||
# datatype = PaSampleFormat_to_T(stream.sformat)
|
||||
# # bigger ccall buffer to avoid overflow related errors
|
||||
# buffer = zeros(datatype, n * 8)
|
||||
# try
|
||||
# while true
|
||||
# while Pa_GetStreamReadAvailable(stream.stream) < n
|
||||
# sleep(0.005)
|
||||
# end
|
||||
# while stream.parent_may_use_buffer
|
||||
# sleep(0.005)
|
||||
# end
|
||||
# err = ccall((:Pa_ReadStream, libportaudio), PaError,
|
||||
# (PaStream, Ptr{Void}, Culong),
|
||||
# stream.stream, buffer, n)
|
||||
# handle_status(err, stream.show_warnings)
|
||||
# stream.sbuffer[1: n] = buffer[1: n]
|
||||
# stream.parent_may_use_buffer = true
|
||||
# sleep(0.005)
|
||||
# end
|
||||
# catch ex
|
||||
# warn("Audio Input Task died with exception: $ex")
|
||||
# Base.show_backtrace(STDOUT, catch_backtrace())
|
||||
# end
|
||||
# end
|
||||
#
|
||||
# """
|
||||
# Send output device data, no rendering
|
||||
# """
|
||||
# function pa_output_task(stream::Pa_AudioStream)
|
||||
# info("PortAudio Output Task Running...")
|
||||
# n = bufsize(stream)
|
||||
# try
|
||||
# while true
|
||||
# navail = stream.sbuffer_output_waiting
|
||||
# if navail > n
|
||||
# info("Possible output buffer overflow in stream")
|
||||
# navail = n
|
||||
# end
|
||||
# if (navail > 1) & (stream.parent_may_use_buffer == false) &
|
||||
# (Pa_GetStreamWriteAvailable(stream.stream) < navail)
|
||||
# Pa_WriteStream(stream.stream, stream.sbuffer,
|
||||
# navail, stream.show_warnings)
|
||||
# stream.parent_may_use_buffer = true
|
||||
# else
|
||||
# sleep(0.005)
|
||||
# end
|
||||
# end
|
||||
# catch ex
|
||||
# warn("Audio Output Task died with exception: $ex")
|
||||
# Base.show_backtrace(STDOUT, catch_backtrace())
|
||||
# end
|
||||
# end
|
||||
|
||||
end # module PortAudio
|
||||
|
|
@ -4,6 +4,16 @@
|
|||
typealias PaTime Cdouble
|
||||
typealias PaError Cint
|
||||
typealias PaSampleFormat Culong
|
||||
typealias PaDeviceIndex Cint
|
||||
typealias PaHostApiIndex Cint
|
||||
typealias PaHostApiTypeId Cint
|
||||
# PaStream is always used as an opaque type, so we're always dealing
|
||||
# with the pointer
|
||||
typealias PaStream Ptr{Void}
|
||||
typealias PaStreamCallback Void
|
||||
typealias PaStreamFlags Culong
|
||||
|
||||
|
||||
|
||||
const PA_NO_ERROR = 0
|
||||
const PA_INPUT_OVERFLOWED = -10000 + 19
|
||||
|
|
@ -15,16 +25,38 @@ const paInt24 = PaSampleFormat(0x04)
|
|||
const paInt16 = PaSampleFormat(0x08)
|
||||
const paInt8 = PaSampleFormat(0x10)
|
||||
const paUInt8 = PaSampleFormat(0x20)
|
||||
const paNonInterleaved = PaSampleFormat(0x80000000)
|
||||
|
||||
@compat const pa_sample_formats = Dict{PaSampleFormat, Type}(
|
||||
1 => Float32
|
||||
2 => Int32
|
||||
4 => Int24
|
||||
8 => Int16
|
||||
16 => Int8
|
||||
const fmt_to_type = Dict{PaSampleFormat, Type}(
|
||||
1 => Float32,
|
||||
2 => Int32,
|
||||
# 4 => Int24,
|
||||
8 => Int16,
|
||||
16 => Int8,
|
||||
32 => UInt8
|
||||
)
|
||||
|
||||
# const type_to_fmt = Dict{Type, PaSampleFormat}(
|
||||
# Float32 => 1 | paNonInterleaved,
|
||||
# Int32 => 2 | paNonInterleaved,
|
||||
# # Int24 => 4 | paNonInterleaved,
|
||||
# Int16 => 8 | paNonInterleaved,
|
||||
# Int8 => 16 | paNonInterleaved,
|
||||
# UInt8 => 3 | paNonInterleaved
|
||||
# )
|
||||
#
|
||||
|
||||
# TODO: temporary for testing mono
|
||||
const type_to_fmt = Dict{Type, PaSampleFormat}(
|
||||
Float32 => 1,
|
||||
Int32 => 2,
|
||||
# Int24 =>,
|
||||
Int16 => 8,
|
||||
Int8 => 16,
|
||||
UInt8 => 3
|
||||
)
|
||||
|
||||
|
||||
function Pa_Initialize()
|
||||
err = ccall((:Pa_Initialize, libportaudio), PaError, ())
|
||||
handle_status(err)
|
||||
|
|
@ -50,9 +82,6 @@ end
|
|||
# will range between 0 and Pa_GetHostApiCount() - 1. You can enumerate through
|
||||
# all the host APIs on the system by iterating through those values.
|
||||
|
||||
typealias PaHostApiIndex Cint
|
||||
typealias PaHostApiTypeId Cint
|
||||
|
||||
# PaHostApiTypeId values
|
||||
@compat const pa_host_api_names = Dict{PaHostApiTypeId, ASCIIString}(
|
||||
0 => "In Development", # use while developing support for a new host API
|
||||
|
|
@ -85,8 +114,6 @@ Pa_GetHostApiInfo(i) = unsafe_load(ccall((:Pa_GetHostApiInfo, libportaudio),
|
|||
|
||||
# Device Functions
|
||||
|
||||
typealias PaDeviceIndex Cint
|
||||
|
||||
type PaDeviceInfo
|
||||
struct_version::Cint
|
||||
name::Ptr{Cchar}
|
||||
|
|
@ -100,66 +127,52 @@ type PaDeviceInfo
|
|||
default_sample_rate::Cdouble
|
||||
end
|
||||
|
||||
Pa_GetDeviceCount() = ccall((:Pa_GetDeviceCount, libportaudio), PaDeviceIndex, ())
|
||||
|
||||
Pa_GetDeviceInfo(i) = unsafe_load(ccall((:Pa_GetDeviceInfo, libportaudio),
|
||||
Ptr{PaDeviceInfo}, (PaDeviceIndex,), i))
|
||||
|
||||
# Stream Functions
|
||||
|
||||
# PaStream is always used as an opaque type, so we're always dealing
|
||||
# with the pointer
|
||||
typealias PaStream Ptr{Void}
|
||||
typealias PaStreamCallback Void
|
||||
typealias PaStreamFlags Culong
|
||||
|
||||
function Pa_OpenDefaultStream(inChannels::Integer, outChannels::Integer,
|
||||
sampleFormat::PaSampleFormat,
|
||||
sampleRate::Real, framesPerBuffer::Integer)
|
||||
streamPtr::Array{PaStream} = PaStream[0]
|
||||
err = ccall((:Pa_OpenDefaultStream, libportaudio),
|
||||
PaError, (Ptr{PaStream}, Cint, Cint,
|
||||
PaSampleFormat, Cdouble, Culong,
|
||||
Ptr{PaStreamCallback}, Ptr{Void}),
|
||||
streamPtr, inChannels, outChannels, sampleFormat, sampleRate,
|
||||
framesPerBuffer, 0, 0)
|
||||
handle_status(err)
|
||||
|
||||
streamPtr[1]
|
||||
type Pa_StreamParameters
|
||||
device::PaDeviceIndex
|
||||
channelCount::Cint
|
||||
sampleFormat::PaSampleFormat
|
||||
suggestedLatency::PaTime
|
||||
hostAPISpecificStreamInfo::Ptr{Void}
|
||||
end
|
||||
|
||||
"""
|
||||
Open a single stream, not necessarily the default one
|
||||
The stream is unidirectional, either inout or default output
|
||||
see http://portaudio.com/docs/v19-doxydocs/portaudio_8h.html
|
||||
"""
|
||||
function Pa_OpenStream(device::PaDeviceIndex,
|
||||
channels::Cint, input::Bool,
|
||||
function Pa_OpenDefaultStream(inChannels, outChannels,
|
||||
sampleFormat::PaSampleFormat,
|
||||
sampleRate::Cdouble, framesPerBuffer::Culong)
|
||||
streamPtr::Array{PaStream} = PaStream[0]
|
||||
ioParameters = Pa_StreamParameters(device, channels,
|
||||
sampleFormat, PaTime(0.001),
|
||||
Ptr{Void}(0))
|
||||
# CURRENTLY WORKING THIS OUT
|
||||
if input
|
||||
err = ccall((:Pa_OpenStream, libportaudio), PaError,
|
||||
(PaStream,
|
||||
Ptr{Pa_StreamParameters}, Ptr{Pa_StreamParameters},
|
||||
Cdouble, Culong, PaStreamFlags,
|
||||
Ptr{PaStreamCallback}, Ptr{Void}),
|
||||
streamPtr, ioParameters, Ptr{Void}(0),
|
||||
sampleRate, framesPerBuffer, 0,
|
||||
Ptr{PaStreamCallback}(0), Ptr{Void}(0))
|
||||
else
|
||||
err = ccall((:Pa_OpenStream, libportaudio), PaError,
|
||||
(PaStream, Ptr{Void}, Ref{Pa_StreamParameters},
|
||||
Cdouble, Culong, Culong,
|
||||
Ptr{PaStreamCallback}, Ptr{Void}),
|
||||
streamPtr, Ptr{Void}(0), ioParameters,
|
||||
sampleRate, framesPerBuffer, 0,
|
||||
Ptr{PaStreamCallback}(0), Ptr{Void}(0))
|
||||
end
|
||||
sampleRate, framesPerBuffer)
|
||||
streamPtr = Ref{PaStream}(0)
|
||||
err = ccall((:Pa_OpenDefaultStream, libportaudio),
|
||||
PaError, (Ref{PaStream}, Cint, Cint,
|
||||
PaSampleFormat, Cdouble, Culong,
|
||||
Ref{Void}, Ref{Void}),
|
||||
streamPtr, inChannels, outChannels, sampleFormat, sampleRate,
|
||||
framesPerBuffer, C_NULL, C_NULL)
|
||||
handle_status(err)
|
||||
streamPtr[1]
|
||||
|
||||
streamPtr[]
|
||||
end
|
||||
|
||||
function Pa_OpenStream(inParams::Pa_StreamParameters,
|
||||
outParams::Pa_StreamParameters,
|
||||
sampleRate, framesPerBuffer,
|
||||
flags::PaStreamFlags)
|
||||
streamPtr = Ref{PaStream}(0)
|
||||
err = ccall((:Pa_OpenStream, libportaudio), PaError,
|
||||
(Ref{PaStream},
|
||||
Ref{Pa_StreamParameters},
|
||||
Ref{Pa_StreamParameters},
|
||||
Cdouble, Culong, PaStreamFlags,
|
||||
Ref{Void}, Ref{Void}),
|
||||
streamPtr, inParams, outParams,
|
||||
sampleRate, framesPerBuffer, flags,
|
||||
C_NULL, C_NULL)
|
||||
handle_status(err)
|
||||
streamPtr[]
|
||||
end
|
||||
|
||||
function Pa_StartStream(stream::PaStream)
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
#!/usr/bin/env julia
|
||||
|
||||
@testset "No Tests" begin
|
||||
@testset "PortAudio Tests" begin
|
||||
@test false
|
||||
end
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue