Initial import of 'jacket' Nim wrapper for JACK API
Signed-off-by: Christopher Arndt <chris@chrisarndt.de>
This commit is contained in:
commit
fcbb796cd4
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import std/strformat
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import jacket
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var client: ClientTPtr
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var time: TimeT
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var status: cint
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client = clientOpen("test_jacket", ord(NullOption), addr status)
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echo fmt"Server status: {status}"
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if client == nil:
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echo getJackStatusErrorString(status)
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quit 1
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time = getTime()
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var ver = getVersionString()
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echo fmt"JACK version: {ver}"
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var rate = getSampleRate(client)
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echo fmt"Sample rate: {rate}"
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var bufsize = getBufferSize(client)
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echo fmt"Buffer size: {bufsize}"
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var load = cpuLoad(client)
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echo fmt"DSP load: {load}%"
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echo fmt"Server time: {time}"
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var name = getClientName(client)
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echo fmt"Client name: {name}"
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var rt = if isRealtime(client) > 0: "yes" else: "no"
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echo fmt"RT enabled: {rt}"
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discard clientClose(client)
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import std/[strformat, os]
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import jacket
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var client: ClientTPtr
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var status: cint
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proc cleanup() {.noconv.} =
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echo "Cleaning up..."
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if client != nil:
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discard deactivate(client)
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discard clientClose(client)
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client = nil
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quit 0
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proc portConnected(portA: PortIdT; portB: PortIdT; connect: cint; arg: pointer) {.exportc.} =
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let portAPtr = portById(client, portA)
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let portBPtr = portById(client, portB)
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if portAPtr != nil:
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let portAName = portName(portAPtr)
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echo fmt"Port A: {portAName}"
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else:
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echo "Port A: <unknown>"
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if portAPtr != nil:
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let portBName = portName(portBPtr)
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echo fmt"Port B: {portBName}"
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else:
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echo "Port B: <unknown>"
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var action = if connect > 0: "connect" else: "disconnect"
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echo fmt"Action: {action}"
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client = clientOpen("jacket_port_register", ord(NoStartServer) or ord(UseExactName), addr status)
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echo fmt"Server status: {status}"
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if client == nil:
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echo getJackStatusErrorString(status)
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quit 1
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discard portRegister(client, "in_1", JACK_DEFAULT_AUDIO_TYPE, ord(PortIsInput), 0)
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discard portRegister(client, "out_1", JACK_DEFAULT_AUDIO_TYPE, ord(PortIsOutput), 0)
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if setPortConnectCallback(client, portConnected, nil) != 0:
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echo "Error: could not set port connection callback."
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discard activate(client)
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while true:
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sleep(50)
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cleanup()
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@ -0,0 +1,32 @@
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import std/[strformat, os]
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import jacket
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var client: ClientTPtr
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var status: cint
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proc cleanup() {.noconv.} =
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echo "Cleaning up..."
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if client != nil:
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discard clientClose(client)
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client = nil
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quit 0
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client = clientOpen("jacket_port_register", ord(NoStartServer) or ord(UseExactName), addr status)
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echo fmt"Server status: {status}"
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if client == nil:
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echo getJackStatusErrorString(status)
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quit 1
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setControlCHook(cleanup)
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discard portRegister(client, "in_1", JACK_DEFAULT_AUDIO_TYPE, ord(PortIsInput), 0)
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discard portRegister(client, "out_1", JACK_DEFAULT_AUDIO_TYPE, ord(PortIsOutput), 0)
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while true:
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sleep(50)
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cleanup()
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@ -0,0 +1,493 @@
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# jacket.nim
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# Possible names/install locations of libjack, according to
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# https://github.com/x42/weakjack/blob/master/weak_libjack.c#L108
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#
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# MacOS:
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# * /usr/local/lib/libjack.dylib
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# * /opt/homebrew/lib/libjack.dylib
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# * /opt/local/lib/libjack.dylib
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# Win:
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# * libjack64.dll
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# * libjack.dll
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# Unix:
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# * libjack.so.0
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proc getJackLibName: string =
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when system.hostOS == "windows":
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result = "libjack.dll"
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elif system.hostOS == "macosx":
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result = "libjack.dylib"
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else:
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result = "libjack.so.0"
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{.push dynlib: getJackLibName().}
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const
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JACK_MAX_FRAMES* = (4294967295'i64)
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JACK_LOAD_INIT_LIMIT* = 1024
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JACK_DEFAULT_AUDIO_TYPE* = "32 bit float mono audio"
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JACK_DEFAULT_MIDI_TYPE* = "8 bit raw midi"
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# ----------------------------- Custom Types ------------------------------
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type
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TimeT* = culonglong
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NframesT* = culong
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UuidT* = culonglong
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PortIdT* = culong
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PortTypeIdT* = culong
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type
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ClientT = object
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ClientTPtr* = ptr ClientT
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PortT = object
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PortTPtr* = ptr PortT
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type
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JackOptions* {.size: sizeof(cint) pure.} = enum
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NullOption = 0x00,
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NoStartServer = 0x01,
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UseExactName = 0x02,
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ServerName = 0x04,
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LoadName = 0x08,
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LoadInit = 0x10,
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SessionID = 0x20
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type
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JackStatus* {.size: sizeof(cint).} = enum
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Success = 0x00
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Failure = 0x01,
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InvalidOption = 0x02,
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NameNotUnique = 0x04,
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ServerStarted = 0x08,
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ServerFailed = 0x10,
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ServerError = 0x20,
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NoSuchClient = 0x40,
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LoadFailure = 0x80,
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InitFailure = 0x100,
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ShmFailure = 0x200,
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VersionError = 0x400,
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BackendError = 0x800,
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ClientZombie = 0x1000
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type
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JackPortFlags* {.size: sizeof(culong) pure.} = enum
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PortIsInput = 0x1,
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PortIsOutput = 0x2,
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PortIsPhysical = 0x4,
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PortCanMonitor = 0x8,
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PortIsTerminal = 0x10
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type
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JackLatencyCallbackMode* {.size: sizeof(cint) pure.} = enum
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CaptureLatency,
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PlaybackLatency
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# Callback function types
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type
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JackProcessCallback* = proc (nframes: NframesT; arg: pointer): cint
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JackThreadCallback* = proc (arg: pointer): pointer
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JackThreadInitCallback* = proc (arg: pointer)
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JackGraphOrderCallback* = proc (arg: pointer): cint
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JackXRunCallback* = proc (arg: pointer): cint
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JackBufferSizeCallback* = proc (nframes: NframesT; arg: pointer): cint
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JackSampleRateCallback* = proc (nframes: NframesT; arg: pointer): cint
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JackPortRegistrationCallback* = proc (port: PortIdT; flag: cint; arg: pointer)
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JackClientRegistrationCallback* = proc (name: cstring; flag: cint; arg: pointer)
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JackPortConnectCallback* = proc (portA: PortIdT; portB: PortIdT; connect: cint; arg: pointer)
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JackPortRenameCallback* = proc (port: PortIdT; oldName: cstring; newName: cstring; arg: pointer)
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JackFreewheelCallback* = proc (starting: cint; arg: pointer)
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JackShutdownCallback* = proc (arg: pointer)
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JackInfoShutdownCallback* = proc (code: JackStatus; reason: cstring; arg: pointer)
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JackLatencyCallback* = proc (mode: JackLatencyCallbackMode; arg: pointer)
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JackInfoCallback* = proc (msg: cstring)
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JackErrorCallback* = proc (msg: cstring)
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# ----------------------------- Version info ------------------------------
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# void jack_get_version(int *major_ptr, int *minor_ptr, int *micro_ptr, int *proto_ptr) ;
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proc getVersion*(major: ptr cint; minor: ptr cint; micro: ptr cint; proto: ptr cint) {.importc: "jack_get_version".}
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# const char * jack_get_version_string(void) ;
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proc getVersionString*(): cstring {.importc: "jack_get_version_string".}
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# --------------------------- Memory management ---------------------------
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# void jack_free(void* ptr) ;
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proc free*(`ptr`: pointer) {.importc: "jack_free".}
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# -------------------------------- Clients --------------------------------
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# jack_client_t * jack_client_open (char *client_name,
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# jack_options_t options,
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# jack_status_t *status, ...) ;
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proc clientOpen*(clientName: cstring; options: cint; status: ptr cint): ClientTPtr {.
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varargs, importc: "jack_client_open".}
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# DEPRECATED
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# proc clientNew*(clientName: cstring): ClientTPtr {.importc: "jack_client_new".}
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# int jack_client_close (jack_client_t *client) ;
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proc clientClose*(client: ClientTPtr): cint {.importc: "jack_client_close"}
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# int jack_client_name_size (void) ;
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proc clientNameSize*(): cint {.importc: "jack_client_name_size"}
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# char * jack_get_client_name (jack_client_t *client) ;
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proc getClientName*(client: ClientTPtr): cstring {.importc: "jack_get_client_name".}
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# char *jack_get_uuid_for_client_name (jack_client_t *client,
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# const char *client_name) ;
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proc getUuidForClientName*(client: ClientTPtr; clientName: cstring): cstring {.
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importc: "jack_get_uuid_for_client_name".}
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# char *jack_get_client_name_by_uuid (jack_client_t *client,
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# const char *client_uuid ) ;
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proc getClientNameByUuid*(client: ClientTPtr; clientUuid: cstring): cstring {.
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importc: "jack_get_client_name_by_uuid".}
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#[ FIXME: not implemented yet
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proc internalClientNew*(clientName: cstring; loadName: cstring; loadInit: cstring): cint {.
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importc: "jack_internal_client_new".}
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proc internalClientClose*(clientName: cstring) {.importc: "jack_internal_client_close".}
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]#
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# int jack_activate (jack_client_t *client) ;
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proc activate*(client: ClientTPtr): cint {.importc: "jack_activate".}
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# int jack_deactivate (jack_client_t *client) ;
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proc deactivate*(client: ClientTPtr): cint {.importc: "jack_deactivate".}
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# int jack_get_client_pid (const char *name) ;
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proc getClientPid*(name: cstring): cint {.importc: "jack_get_client_pid".}
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# FIXME: not implemented yet
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# jack_native_thread_t jack_client_thread_id (jack_client_t *client) ;
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# proc clientThreadId*(client: ClientTPtr): NativeThreadT {.
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# importc: "jack_client_thread_id".}
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# int jack_is_realtime (jack_client_t *client) ;
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proc isRealtime*(client: ClientTPtr): cint {.importc: "jack_is_realtime".}
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# DEPRECATED
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# proc threadWait*(client: ClientTPtr; status: cint): NframesT {.
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# importc: "jack_thread_wait".}
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# jack_nframes_t jack_cycle_wait (jack_client_t* client) ;
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proc cycleWait*(client: ClientTPtr): NframesT {.importc: "jack_cycle_wait".}
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# void jack_cycle_signal (jack_client_t* client, int status) ;
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proc cycleSignal*(client: ClientTPtr; status: cint) {.importc: "jack_cycle_signal".}
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# ------------------------------- Callbacks -------------------------------
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proc setProcessThread*(client: ClientTPtr; threadCallback: JackThreadCallback; arg: pointer): cint {.
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importc: "jack_set_process_thread".}
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proc setThreadInitCallback*(client: ClientTPtr; threadInitCallback: JackThreadInitCallback; arg: pointer): cint {.
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importc: "jack_set_thread_init_callback".}
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proc onShutdown*(client: ClientTPtr; shutdownCallback: JackShutdownCallback; arg: pointer) {.
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importc: "jack_on_shutdown".}
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proc onInfoShutdown*(client: ClientTPtr; shutdownCallback: JackInfoShutdownCallback; arg: pointer) {.
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importc: "jack_on_info_shutdown".}
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proc setProcessCallback*(client: ClientTPtr; processCallback: JackProcessCallback; arg: pointer): cint {.
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importc: "jack_set_process_callback".}
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proc setFreewheelCallback*(client: ClientTPtr; freewheelCallback: JackFreewheelCallback; arg: pointer): cint {.
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importc: "jack_set_freewheel_callback".}
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proc setBufferSizeCallback*(client: ClientTPtr; bufsizeCallback: JackBufferSizeCallback; arg: pointer): cint {.
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importc: "jack_set_buffer_size_callback".}
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proc setSampleRateCallback*(client: ClientTPtr; srateCallback: JackSampleRateCallback; arg: pointer): cint {.
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importc: "jack_set_sample_rate_callback".}
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proc setClientRegistrationCallback*(client: ClientTPtr; registrationCallback: JackClientRegistrationCallback;
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arg: pointer): cint {.
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importc: "jack_set_client_registration_callback".}
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proc setPortRegistrationCallback*(client: ClientTPtr; registrationCallback: JackPortRegistrationCallback;
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arg: pointer): cint {.
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importc: "jack_set_port_registration_callback".}
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proc setPortConnectCallback*(client: ClientTPtr; connectCallback: JackPortConnectCallback; arg: pointer): cint {.
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importc: "jack_set_port_connect_callback".}
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proc setPortRenameCallback*(client: ClientTPtr; renameCallback: JackPortRenameCallback; arg: pointer): cint {.
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importc: "jack_set_port_rename_callback".}
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proc setGraphOrderCallback*(client: ClientTPtr; graphCallback: JackGraphOrderCallback; a3: pointer): cint {.
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importc: "jack_set_graph_order_callback".}
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proc setXrunCallback*(client: ClientTPtr; xrunCallback: JackXRunCallback; arg: pointer): cint {.
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importc: "jack_set_xrun_callback".}
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proc setLatencyCallback*(client: ClientTPtr; latencyCallback: JackLatencyCallback; arg: pointer): cint {.
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importc: "jack_set_latency_callback".}
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# -------------------------- Server Client Control ------------------------
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# int jack_set_freewheel(jack_client_t* client, int onoff) ;
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proc setFreewheel*(client: ClientTPtr; onoff: cint): cint {.importc: "jack_set_freewheel".}
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# int jack_set_buffer_size (jack_client_t *client, jack_nframes_t nframes) ;
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proc setBufferSize*(client: ClientTPtr; nframes: NframesT): cint {.importc: "jack_set_buffer_size".}
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#jack_nframes_t jack_get_sample_rate (jack_client_t *) ;
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proc getSampleRate*(client: ClientTPtr): NframesT {.importc: "jack_get_sample_rate".}
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# jack_nframes_t jack_get_buffer_size (jack_client_t *) ;
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proc getBufferSize*(client: ClientTPtr): NframesT {.importc: "jack_get_buffer_size".}
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# DEPRECATED
|
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# proc engineTakeoverTimebase*(a1: ClientTPtr): cint {.
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# importc: "jack_engine_takeover_timebase".}
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|
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# float jack_cpu_load (jack_client_t *client) ;
|
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proc cpuLoad*(client: ClientTPtr): cfloat {.importc: "jack_cpu_load".}
|
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|
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|
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# --------------------------------- Ports ---------------------------------
|
||||
|
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# jack_port_t * jack_port_register (jack_client_t *client,
|
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# const char *port_name,
|
||||
# const char *port_type,
|
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# unsigned long flags,
|
||||
# unsigned long buffer_size) ;
|
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proc portRegister*(client: ClientTPtr; portName: cstring; portType: cstring;
|
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flags: culong; bufferSize: culong): PortTPtr {.importc: "jack_port_register".}
|
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|
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# int jack_port_unregister (jack_client_t *client, jack_port_t *port) ;
|
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proc portUnregister*(client: ClientTPtr; port: PortTPtr): cint {.importc: "jack_port_unregister".}
|
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|
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# void * jack_port_get_buffer (jack_port_t *port, jack_nframes_t) ;
|
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proc portGetBuffer*(port: PortTPtr; nframes: NframesT): pointer {.importc: "jack_port_get_buffer".}
|
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|
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# jack_uuid_t jack_port_uuid (const jack_port_t *port) ;
|
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proc portUuid*(port: PortTPtr): UuidT {.importc: "jack_port_uuid".}
|
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|
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# const char * jack_port_name (const jack_port_t *port) ;
|
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proc portName*(port: PortTPtr): cstring {.importc: "jack_port_name".}
|
||||
|
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# const char * jack_port_short_name (const jack_port_t *port) ;
|
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proc portShortName*(port: PortTPtr): cstring {.importc: "jack_port_short_name".}
|
||||
|
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# int jack_port_flags (const jack_port_t *port) ;
|
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proc portFlags*(port: PortTPtr): cint {.importc: "jack_port_flags".}
|
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|
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# const char * jack_port_type (const jack_port_t *port) ;
|
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proc portType*(port: PortTPtr): cstring {.importc: "jack_port_type".}
|
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|
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# jack_port_type_id_t jack_port_type_id (const jack_port_t *port) ;
|
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proc portTypeId*(port: PortTPtr): PortTypeIdT {.importc: "jack_port_type_id".}
|
||||
|
||||
# int jack_port_is_mine (const jack_client_t *client, const jack_port_t *port) ;
|
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proc portIsMine*(client: ClientTPtr; port: PortTPtr): cint {.
|
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importc: "jack_port_is_mine".}
|
||||
|
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# int jack_port_connected (const jack_port_t *port) ;
|
||||
proc portConnected*(port: PortTPtr): cint {.importc: "jack_port_connected".}
|
||||
|
||||
# int jack_port_connected_to (const jack_port_t *port,
|
||||
# const char *port_name) ;
|
||||
proc portConnectedTo*(port: PortTPtr; portName: cstring): cint {.importc: "jack_port_connected_to".}
|
||||
|
||||
# const char ** jack_port_get_connections (const jack_port_t *port) ;
|
||||
#
|
||||
# CAVEAT: The caller is responsible for calling jack_free() on any non-NULL
|
||||
# returned value.
|
||||
proc portGetConnections*(port: PortTPtr): cstringArray {.importc: "jack_port_get_connections".}
|
||||
|
||||
# const char ** jack_port_get_all_connections (const jack_client_t *client,
|
||||
# const jack_port_t *port) ;
|
||||
#
|
||||
# CAVEAT: The caller is responsible for calling jack_free() on any non-NULL
|
||||
# returned value.
|
||||
proc portGetAllConnections*(client: ClientTPtr; port: PortTPtr): cstringArray {.
|
||||
importc: "jack_port_get_all_connections".}
|
||||
|
||||
#[ DEPRECATED
|
||||
proc portTie*(src: PortTPtr; dst: PortTPtr): cint {.importc: "jack_port_tie".}
|
||||
|
||||
proc portUntie*(port: PortTPtr): cint {.importc: "jack_port_untie".}
|
||||
|
||||
proc portSetName*(port: PortTPtr; portName: cstring): cint {.importc: "jack_port_set_name".}
|
||||
]#
|
||||
|
||||
# int jack_port_rename (jack_client_t* client, jack_port_t *port, const char *port_name) ;
|
||||
proc portRename*(client: ClientTPtr; port: PortTPtr; portName: cstring): cint {.importc: "jack_port_rename".}
|
||||
|
||||
# int jack_port_set_alias (jack_port_t *port, const char *alias) ;
|
||||
proc portSetAlias*(port: PortTPtr; alias: cstring): cint {.importc: "jack_port_set_alias".}
|
||||
|
||||
# int jack_port_unset_alias (jack_port_t *port, const char *alias) ;
|
||||
proc portUnsetAlias*(port: PortTPtr; alias: cstring): cint {.importc: "jack_port_unset_alias".}
|
||||
|
||||
# int jack_port_get_aliases (const jack_port_t *port, char* const aliases[2]) ;
|
||||
proc portGetAliases*(port: PortTPtr; aliases: array[2, cstring]): cint {.importc: "jack_port_get_aliases".}
|
||||
|
||||
#int jack_port_request_monitor (jack_port_t *port, int onoff) ;
|
||||
proc portRequestMonitor*(port: PortTPtr; onoff: cint): cint {.importc: "jack_port_request_monitor".}
|
||||
|
||||
# int jack_port_request_monitor_by_name (jack_client_t *client,
|
||||
# const char *port_name, int onoff) ;
|
||||
proc portRequestMonitorByName*(client: ClientTPtr; portName: cstring; onoff: cint): cint {.
|
||||
importc: "jack_port_request_monitor_by_name".}
|
||||
|
||||
# int jack_port_ensure_monitor (jack_port_t *port, int onoff) ;
|
||||
proc portEnsureMonitor*(port: PortTPtr; onoff: cint): cint {.
|
||||
importc: "jack_port_ensure_monitor".}
|
||||
|
||||
# int jack_port_monitoring_input (jack_port_t *port) ;
|
||||
proc portMonitoringInput*(port: PortTPtr): cint {.importc: "jack_port_monitoring_input".}
|
||||
|
||||
# ------------------------------ Connections ------------------------------
|
||||
|
||||
# int jack_connect (jack_client_t *client,
|
||||
# const char *source_port,
|
||||
# const char *destination_port) ;
|
||||
proc connect*(client: ClientTPtr; srcPort: cstring; destPort: cstring): cint {.importc: "jack_connect".}
|
||||
|
||||
# int jack_disconnect (jack_client_t *client,
|
||||
# const char *source_port,
|
||||
# const char *destination_port) ;
|
||||
proc disconnect*(client: ClientTPtr; srcPort: cstring; destPort: cstring): cint {.importc: "jack_disconnect".}
|
||||
|
||||
# int jack_port_disconnect (jack_client_t *client, jack_port_t *port) ;
|
||||
proc portDisconnect*(client: ClientTPtr; port: PortTPtr): cint {.importc: "jack_port_disconnect".}
|
||||
|
||||
# int jack_port_name_size(void) ;
|
||||
proc portNameSize*(): cint {.importc: "jack_port_name_size".}
|
||||
|
||||
# int jack_port_type_size(void) ;
|
||||
proc portTypeSize*(): cint {.importc: "jack_port_type_size".}
|
||||
|
||||
# size_t jack_port_type_get_buffer_size (jack_client_t *client, const char *port_type) ;
|
||||
proc portTypeGetBufferSize*(client: ClientTPtr; portType: cstring): csize_t {.
|
||||
importc: "jack_port_type_get_buffer_size".}
|
||||
|
||||
# -------------------------------- Latency --------------------------------
|
||||
|
||||
#[ FIXME: not implemented yet
|
||||
# void jack_port_set_latency (jack_port_t *port, jack_nframes_t) ;
|
||||
proc portSetLatency*(port: PortTPtr; a2: NframesT) {.importc: "jack_port_set_latency".}
|
||||
|
||||
#[ FIXME: not implemented yet
|
||||
# void jack_port_get_latency_range (jack_port_t *port, jack_latency_callback_mode_t mode, jack_latency_range_t *range) ;
|
||||
proc portGetLatencyRange*(port: PortTPtr; mode: LatencyCallbackModeT;
|
||||
range: ptr LatencyRangeT) {.importc: "jack_port_get_latency_range".}
|
||||
|
||||
proc portSetLatencyRange*(port: PortTPtr; mode: LatencyCallbackModeT;
|
||||
range: ptr LatencyRangeT) {.importc: "jack_port_set_latency_range".}
|
||||
]#
|
||||
|
||||
proc recomputeTotalLatencies*(client: ClientTPtr): cint {.importc: "jack_recompute_total_latencies".}
|
||||
|
||||
proc portGetLatency*(port: PortTPtr): NframesT {.importc: "jack_port_get_latency".}
|
||||
|
||||
proc portGetTotalLatency*(client: ClientTPtr; port: PortTPtr): NframesT {.importc: "jack_port_get_total_latency".}
|
||||
|
||||
proc recomputeTotalLatency*(a1: ClientTPtr; port: PortTPtr): cint {.importc: "jack_recompute_total_latency".}
|
||||
]#
|
||||
|
||||
# ------------------------------ Port Lookup ------------------------------
|
||||
|
||||
# const char ** jack_get_ports (jack_client_t *client,
|
||||
# const char *port_name_pattern,
|
||||
# const char *type_name_pattern,
|
||||
# unsigned long flags) ;
|
||||
#
|
||||
# CAVEAT: The caller is responsible for calling jack_free() on any non-NULL
|
||||
# returned value.
|
||||
proc getPorts*(client: ClientTPtr; portNamePattern: cstring;
|
||||
typeNamePattern: cstring; flags: culong): cstringArray {.importc: "jack_get_ports".}
|
||||
|
||||
# jack_port_t * jack_port_by_name (jack_client_t *client, const char *port_name) ;
|
||||
proc portByName*(client: ClientTPtr; portName: cstring): PortTPtr {.importc: "jack_port_by_name".}
|
||||
|
||||
# jack_port_t * jack_port_by_id (jack_client_t *client, jack_port_id_t port_id) ;
|
||||
proc portById*(client: ClientTPtr; portId: PortIdT): PortTPtr {.importc: "jack_port_by_id".}
|
||||
|
||||
# ----------------------------- Time handling -----------------------------
|
||||
|
||||
# jack_nframes_t jack_frames_since_cycle_start (const jack_client_t *) ;
|
||||
proc framesSinceCycleStart*(client: ClientTPtr): NframesT {.importc: "jack_frames_since_cycle_start".}
|
||||
|
||||
# jack_nframes_t jack_frame_time (const jack_client_t *) ;
|
||||
proc frameTime*(client: ClientTPtr): NframesT {.importc: "jack_frame_time".}
|
||||
|
||||
# jack_nframes_t jack_last_frame_time (const jack_client_t *client) ;
|
||||
proc lastFrameTime*(client: ClientTPtr): NframesT {.importc: "jack_last_frame_time".}
|
||||
|
||||
# int jack_get_cycle_times(const jack_client_t *client,
|
||||
# jack_nframes_t *current_frames,
|
||||
# jack_time_t *current_usecs,
|
||||
# jack_time_t *next_usecs,
|
||||
# float *period_usecs) ;
|
||||
proc getCycleTimes*(client: ClientTPtr; currentFrames: ptr NframesT;
|
||||
currentUsecs: ptr TimeT; nextUsecs: ptr TimeT;
|
||||
periodUsecs: ptr cfloat): cint {.importc: "jack_get_cycle_times".}
|
||||
|
||||
# jack_time_t jack_frames_to_time(const jack_client_t *client, jack_nframes_t) ;
|
||||
proc framesToTime*(client: ClientTPtr; nframes: NframesT): TimeT {.importc: "jack_frames_to_time".}
|
||||
|
||||
# jack_nframes_t jack_time_to_frames(const jack_client_t *client, jack_time_t) ;
|
||||
proc timeToFrames*(client: ClientTPtr; time: TimeT): NframesT {.importc: "jack_time_to_frames".}
|
||||
|
||||
# jack_time_t jack_get_time(void) ;
|
||||
proc getTime*(): TimeT {.importc: "jack_get_time".}
|
||||
|
||||
# ---------------------------- Error handling -----------------------------
|
||||
|
||||
proc setErrorFunction*(errorCallback: JackErrorCallback) {.importc: "jack_set_error_function".}
|
||||
|
||||
proc setInfoFunction*(infoCallback: JackInfoCallback) {.importc: "jack_set_info_function".}
|
||||
|
||||
{.pop.}
|
||||
|
||||
proc getJackStatusErrorString*(status: cint): string =
|
||||
# Get JACK error status as string.
|
||||
if status == ord(Success):
|
||||
return ""
|
||||
|
||||
var errorString = ""
|
||||
|
||||
if status == ord(Failure):
|
||||
# Only include this generic message if no other error status is set
|
||||
errorString = "Overall operation failed"
|
||||
if (status and ord(InvalidOption)) > 0:
|
||||
errorString &= "\nThe operation contained an invalid and unsupported option"
|
||||
if (status and ord(NameNotUnique)) > 0:
|
||||
errorString &= "\nThe desired client name was not unique"
|
||||
if (status and ord(ServerStarted)) > 0:
|
||||
errorString &= "\nThe JACK server was started as a result of this operation"
|
||||
if (status and ord(ServerFailed)) > 0:
|
||||
errorString &= "\nUnable to connect to the JACK server"
|
||||
if (status and ord(ServerError)) > 0:
|
||||
errorString &= "\nCommunication error with the JACK server"
|
||||
if (status and ord(NoSuchClient)) > 0:
|
||||
errorString &= "\nRequested client does not exist"
|
||||
if (status and ord(LoadFailure)) > 0:
|
||||
errorString &= "\nUnable to load internal client"
|
||||
if (status and ord(InitFailure)) > 0:
|
||||
errorString &= "\nUnable to initialize client"
|
||||
if (status and ord(ShmFailure)) > 0:
|
||||
errorString &= "\nUnable to access shared memory"
|
||||
if (status and ord(VersionError)) > 0:
|
||||
errorString &= "\nClient's protocol version does not match"
|
||||
if (status and ord(BackendError)) > 0:
|
||||
errorString &= "\nBackend Error"
|
||||
if (status and ord(ClientZombie)) > 0:
|
||||
errorString &= "\nClient is being shutdown against its will"
|
||||
|
||||
return errorString
|
||||
Loading…
Reference in New Issue