Add stub readme and license file

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

examples/amp.nim

@@ -4,62 +4,62 @@ import nymph
 const PluginUri = "urn:nymph:examples:amp"
 
 type
-    CSample = cfloat
-    CSamples = UncheckedArray[CSample]
+  CSample = cfloat
+  CSamples = UncheckedArray[CSample]
 
-    PortIndex = enum
-        INPUT = 0,
-        OUTPUT = 1,
-        GAIN = 2
+  PortIndex = enum
+    INPUT = 0,
+    OUTPUT = 1,
+    GAIN = 2
 
-    Amp = object
-        input: ptr CSamples
-        output: ptr CSamples
-        gain: ptr cfloat
+  Amp = object
+    input: ptr CSamples
+    output: ptr CSamples
+    gain: ptr cfloat
 
 
 template db2coeff(db: cfloat): cfloat =
-    pow(10.0, db / 20.0)
+  pow(10.0, db / 20.0)
 
 
 proc instantiate(descriptor: ptr Lv2Descriptor; sampleRate: cdouble;
                  bundlePath: cstring; features: ptr ptr Lv2Feature):
                  Lv2Handle {.cdecl.} =
-    return createShared(Amp)
+  return createShared(Amp)
 
 
 proc connectPort(instance: Lv2Handle; port: cuint;
                  dataLocation: pointer) {.cdecl.} =
-    let amp = cast[ptr Amp](instance)
-    case cast[PortIndex](port)
-    of INPUT:
-        amp.input = cast[ptr CSamples](dataLocation)
-    of OUTPUT:
-        amp.output = cast[ptr CSamples](dataLocation)
-    of GAIN:
-        amp.gain = cast[ptr cfloat](dataLocation)
+  let amp = cast[ptr Amp](instance)
+  case cast[PortIndex](port)
+  of INPUT:
+    amp.input = cast[ptr CSamples](dataLocation)
+  of OUTPUT:
+    amp.output = cast[ptr CSamples](dataLocation)
+  of GAIN:
+    amp.gain = cast[ptr cfloat](dataLocation)
 
 
 proc activate(instance: Lv2Handle) {.cdecl.} =
-    discard
+  discard
 
 
 proc run(instance: Lv2Handle; nSamples: cuint) {.cdecl.} =
-    let amp = cast[ptr Amp](instance)
-    for pos in 0 ..< nSamples:
-        amp.output[pos] = amp.input[pos] * db2coeff(amp.gain[])
+  let gain = cast[ptr Amp](instance)
+  for pos in 0 ..< nSamples:
+    gain.output[pos] = gain.input[pos] * db2coeff(gain.gain[])
 
 
 proc deactivate(instance: Lv2Handle) {.cdecl.} =
-    discard
+  discard
 
 
 proc cleanup(instance: Lv2Handle) {.cdecl.} =
-    freeShared(cast[ptr Amp](instance))
+  freeShared(cast[ptr Amp](instance))
 
 
 proc extensionData(uri: cstring): pointer {.cdecl.} =
-    return nil
+  return nil
 
 
 proc NimMain() {.cdecl, importc.}
@@ -67,16 +67,16 @@ proc NimMain() {.cdecl, importc.}
 
 proc lv2Descriptor(index: cuint): ptr Lv2Descriptor {.
                    cdecl, exportc, dynlib, extern: "lv2_descriptor".} =
-    NimMain()
+  NimMain()
 
-    if index == 0:
-        result = createShared(Lv2Descriptor)
-        result.uri = cstring(PluginUri)
-        result.instantiate = instantiate
-        result.connectPort = connectPort
-        result.activate = activate
-        result.run = run
-        result.deactivate = deactivate
-        result.cleanup = cleanup
-        result.extensionData = extensionData
+  if index == 0:
+    result = createShared(Lv2Descriptor)
+    result.uri = cstring(PluginUri)
+    result.instantiate = instantiate
+    result.connectPort = connectPort
+    result.activate = activate
+    result.run = run
+    result.deactivate = deactivate
+    result.cleanup = cleanup
+    result.extensionData = extensionData