52 lines
1.4 KiB
Nim
52 lines
1.4 KiB
Nim
import std/[logging, os]
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import signal
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import jacket
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var jclient: ClientTPtr
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var status: cint
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var exitSignalled: bool = false
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var log = newConsoleLogger(when defined(release): lvlInfo else: lvlDebug)
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proc cleanup(sig: cint = 0) =
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debug "Cleaning up..."
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if jclient != nil:
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discard jclient.clientClose()
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jclient = nil
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proc errorCb(msg: cstring) {.cdecl.} =
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# Suppress verbose JACK error messages when server is not available by
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# default. Pass ``lvlAll`` when creating the logger to enable them.
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debug "JACK error: " & $msg
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proc signalCb(sig: cint) {.noconv.} =
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info "Received signal: " & $sig
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exitSignalled = true
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proc shutdownCb(arg: pointer = nil) {.cdecl.} =
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info "JACK server has shut down."
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exitSignalled = true
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addHandler(log)
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setErrorFunction(errorCb)
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jclient = clientOpen("jacket_port_register", NoStartServer.ord or UseExactName.ord, status.addr)
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debug "JACK server status: " & $status
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if jclient == nil:
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error getJackStatusErrorString(status)
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quit QuitFailure
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when defined(windows):
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setSignalProc(signalCb, SIGABRT, SIGINT, SIGTERM)
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else:
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setSignalProc(signalCb, SIGABRT, SIGHUP, SIGINT, SIGQUIT, SIGTERM)
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discard jclient.portRegister("in_1", JACK_DEFAULT_AUDIO_TYPE, PortIsInput.ord, 0)
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discard jclient.portRegister("out_1", JACK_DEFAULT_AUDIO_TYPE, PortIsOutput.ord, 0)
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jclient.onShutdown(shutdownCb, nil)
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while not exitSignalled:
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sleep(50)
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cleanup()
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