refactor: more examples streamlining
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@ -1,30 +1,30 @@
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import std/logging
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import jacket
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var jclient: ClientTPtr
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var time: TimeT
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var status: cint
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var log = newConsoleLogger(lvlInfo)
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jclient = clientOpen("test_jacket", NullOption.ord, addr status)
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proc errorCb(msg: cstring) {.cdecl.} =
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# Suppress verbose JACK error messges 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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echo "Server status: " & $status
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addHandler(log)
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setErrorFunction(errorCb)
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jclient = clientOpen("test_jacket", NullOption.ord, status.addr)
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debug "Server status: " & $status
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if jclient == nil:
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echo getJackStatusErrorString(status)
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error getJackStatusErrorString(status)
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quit 1
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time = getTime()
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let ver = getVersionString()
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echo "JACK version: " & $ver
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let rate = getSampleRate(jclient)
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echo "Sample rate: " & $rate
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let bufsize = getBufferSize(jclient)
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echo "Buffer size: " & $bufsize
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let load = cpuLoad(jclient)
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echo "DSP load: " & $load & "%"
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echo "Server time: " & $time
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let name = getClientName(jclient)
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echo "Client name: " & $name
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let rt = if isRealtime(jclient) > 0: "yes" else: "no"
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echo "RT enabled: " & rt
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echo("JACK version: ", getVersionString())
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echo("Sample rate: ", jclient.getSampleRate)
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echo("Buffer size: ", jclient.getBufferSize)
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echo("DSP load: ", jclient.cpuLoad, "%")
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echo("Server time: ", getTime())
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echo("Client name: ", jclient.getClientName)
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echo("RT enabled: ", if jclient.isRealtime > 0: "yes" else: "no")
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discard clientClose(jclient)
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discard jclient.clientClose
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@ -1,55 +1,61 @@
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import std/os
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import std/[logging, os]
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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 log = newConsoleLogger(lvlInfo)
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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 cleanup() {.noconv.} =
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echo "Cleaning up..."
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debug "Cleaning up..."
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if jclient != nil:
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discard deactivate(jclient)
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discard clientClose(jclient)
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discard jclient.deactivate()
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discard jclient.clientClose()
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jclient = nil
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quit 0
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quit QuitSuccess
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proc portConnected(portA: PortIdT; portB: PortIdT; connect: cint; arg: pointer) {.cdecl.} =
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let portAPtr = portById(jclient, portA)
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let portBPtr = portById(jclient, portB)
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let portAPtr = jclient.portById(portA)
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let portBPtr = jclient.portById(portB)
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if portAPtr != nil:
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echo "Port A: " & $portName(portAPtr)
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echo("Port A: ", portName(portAPtr))
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else:
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echo "Port A: <unknown>"
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if portAPtr != nil:
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echo "Port B: " & $portName(portBPtr)
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echo("Port B: ", portName(portBPtr))
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else:
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echo "Port B: <unknown>"
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echo "Action: " & (if connect > 0: "connect" else: "disconnect")
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echo("Action: ", if connect > 0: "connect" else: "disconnect")
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jclient = clientOpen("jacket_port_register", NoStartServer.ord, addr status)
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echo "Server status: " & $status
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addHandler(log)
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setErrorFunction(errorCb)
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jclient = clientOpen("jacket_port_register", NoStartServer.ord, status.addr)
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debug "Server status: " & $status
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if jclient == nil:
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echo getJackStatusErrorString(status)
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error getJackStatusErrorString(status)
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quit 1
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setControlCHook(cleanup)
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discard portRegister(jclient, "in_1", JACK_DEFAULT_AUDIO_TYPE, PortIsInput.ord, 0)
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discard portRegister(jclient, "out_1", JACK_DEFAULT_AUDIO_TYPE, PortIsOutput.ord, 0)
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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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if setPortConnectCallback(jclient, portConnected, nil) != 0:
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echo "Error: could not set port connection callback."
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if jclient.setPortConnectCallback(portConnected, nil) != 0:
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error "Error: could not set port connection callback."
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discard activate(jclient)
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while true:
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sleep(50)
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if jclient.activate() == 0:
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while true:
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sleep(50)
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cleanup()
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@ -1,31 +1,37 @@
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import std/os
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import std/[logging, os]
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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 log = newConsoleLogger(lvlInfo)
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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 cleanup() {.noconv.} =
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echo "Cleaning up..."
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debug "Cleaning up..."
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if jclient != nil:
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discard clientClose(jclient)
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discard jclient.clientClose
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jclient = nil
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quit 0
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quit QuitSuccess
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jclient = clientOpen("jacket_port_register", NoStartServer.ord or UseExactName.ord, addr status)
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echo "Server status: " & $status
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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 "Server status: " & $status
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if jclient == nil:
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echo getJackStatusErrorString(status)
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error getJackStatusErrorString(status)
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quit 1
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setControlCHook(cleanup)
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discard portRegister(jclient, "in_1", JACK_DEFAULT_AUDIO_TYPE, PortIsInput.ord, 0)
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discard portRegister(jclient, "out_1", JACK_DEFAULT_AUDIO_TYPE, PortIsOutput.ord, 0)
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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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while true:
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sleep(50)
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