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refactor: rename variable 'amp' -> 'plug'

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Signed-off-by: Christopher Arndt <chris@chrisarndt.de>
This commit is contained in:
Christopher Arndt 2025-05-09 09:05:50 +02:00
parent 29c20cb8fc
commit 3f14ec790c
1 changed files with 20 additions and 20 deletions
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40
examples/miditranspose_plugin.nim
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@ -28,28 +28,28 @@ type
proc instantiate(descriptor: ptr Lv2Descriptor; sampleRate: cdouble; proc instantiate(descriptor: ptr Lv2Descriptor; sampleRate: cdouble;
bundlePath: cstring; features: ptr UncheckedArray[ptr Lv2Feature]): bundlePath: cstring; features: ptr UncheckedArray[ptr Lv2Feature]):
Lv2Handle {.cdecl.} = Lv2Handle {.cdecl.} =
let amp: ptr MidiTransposePlugin = createShared(MidiTransposePlugin) let plug: ptr MidiTransposePlugin = createShared(MidiTransposePlugin)
amp.map = cast[ptr UridMap](lv2FeaturesData(features, lv2UridMap)) plug.map = cast[ptr UridMap](lv2FeaturesData(features, lv2UridMap))
if amp.map.isNil: if plug.map.isNil:
freeShared(amp) freeShared(plug)
return nil return nil
amp.midi_urid = amp.map.map(amp.map.handle, lv2MidiMidiEvent) plug.midi_urid = plug.map.map(plug.map.handle, lv2MidiMidiEvent)
return cast[Lv2Handle](amp) return cast[Lv2Handle](plug)
proc connectPort(instance: Lv2Handle; port: cuint; proc connectPort(instance: Lv2Handle; port: cuint;
dataLocation: pointer) {.cdecl.} = dataLocation: pointer) {.cdecl.} =
let amp = cast[ptr MidiTransposePlugin](instance) let plug = cast[ptr MidiTransposePlugin](instance)
case cast[PluginPort](port) case cast[PluginPort](port)
of PluginPort.Input: of PluginPort.Input:
amp.input = cast[ptr AtomSequence](dataLocation) plug.input = cast[ptr AtomSequence](dataLocation)
of PluginPort.Output: of PluginPort.Output:
amp.output = cast[ptr AtomSequence](dataLocation) plug.output = cast[ptr AtomSequence](dataLocation)
of PluginPort.Transposition: of PluginPort.Transposition:
amp.transposition = cast[ptr cfloat](dataLocation) plug.transposition = cast[ptr cfloat](dataLocation)
proc activate(instance: Lv2Handle) {.cdecl.} = proc activate(instance: Lv2Handle) {.cdecl.} =
@ -57,17 +57,17 @@ proc activate(instance: Lv2Handle) {.cdecl.} =
proc run(instance: Lv2Handle; nSamples: cuint) {.cdecl.} = proc run(instance: Lv2Handle; nSamples: cuint) {.cdecl.} =
let amp = cast[ptr MidiTransposePlugin](instance) let plug = cast[ptr MidiTransposePlugin](instance)
let outCapacity = amp.output.atom.size let outCapacity = plug.output.atom.size
atomSequenceClear(amp.output) atomSequenceClear(plug.output)
amp.output.atom.type = amp.input.atom.type plug.output.atom.type = plug.input.atom.type
if not atomSequenceIsEmpty(amp.input): if not atomSequenceIsEmpty(plug.input):
#echo &"Event sequence size: {amp.input.atom.size}" #echo &"Event sequence size: {plug.input.atom.size}"
let noteOffset = clamp(floor(amp.transposition[] + 0.5), -12, 12).uint8 let noteOffset = clamp(floor(plug.transposition[] + 0.5), -12, 12).uint8
for ev in amp.input: for ev in plug.input:
if ev.body.`type` == amp.midi_urid: if ev.body.`type` == plug.midi_urid:
var msg = cast[ptr UncheckedArray[uint8]](atomContents(AtomEvent, ev)) var msg = cast[ptr UncheckedArray[uint8]](atomContents(AtomEvent, ev))
#echo &"0x{toHex(msg[0], 2)} 0x{toHex(msg[1], 2)} 0x{toHex(msg[2], 2)}" #echo &"0x{toHex(msg[0], 2)} 0x{toHex(msg[1], 2)} 0x{toHex(msg[2], 2)}"
@ -77,7 +77,7 @@ proc run(instance: Lv2Handle; nSamples: cuint) {.cdecl.} =
else: else:
discard discard
discard atomSequenceAppendEvent(amp.output, outCapacity, ev) discard atomSequenceAppendEvent(plug.output, outCapacity, ev)
proc deactivate(instance: Lv2Handle) {.cdecl.} = proc deactivate(instance: Lv2Handle) {.cdecl.} =