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Cava: Switched to ascii mode - buttery smooth

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Fixes a nasty glitch where band would jump abruptly due to wrong data
parsing.
This commit is contained in:
quadbyte 2025-08-13 22:52:28 -04:00
parent ca528695a1
commit 93b60e9002
2 changed files with 4 additions and 32 deletions
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24
Services/Cava.qml
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@ -13,7 +13,7 @@ Singleton {
property var config: ({
"general": {
"bars": barsCount,
"framerate": 40,
"framerate": 60,
"autosens": 0,
"overshoot": 0,
"sensitivity": 200,
@ -26,7 +26,8 @@ Singleton {
},
"output": {
"method": "raw",
"data_format": "binary",
"data_format": "ascii",
"ascii_max_range": 100,
"bit_format": "8bit",
"channels": "mono",
"mono_option": "average"
@ -35,17 +36,14 @@ Singleton {
Process {
id: process
property int fillIndex: 0
stdinEnabled: true
running: MediaPlayer.isPlaying
command: ["cava", "-p", "/dev/stdin"]
onExited: {
stdinEnabled = true
fillIndex = 0
values = Array(barsCount).fill(0)
}
onStarted: {
for (const k in config) {
if (typeof config[k] !== "object") {
write(k + "=" + config[k] + "\n")
@ -58,25 +56,11 @@ Singleton {
}
}
stdinEnabled = false
fillIndex = 0
values = Array(barsCount).fill(0)
}
stdout: SplitParser {
splitMarker: ""
onRead: data => {
if (process.fillIndex + data.length >= barsCount) {
process.fillIndex = 0
}
// copy array
var newValues = values.slice(0)
for (var i = 0; i < data.length; i++) {
var amp = Math.min(data.charCodeAt(i), 128) / 128
newValues[process.fillIndex] = amp
process.fillIndex = (process.fillIndex + 1) % barsCount
}
values = newValues
root.values = data.slice(0, -1).split(";").map(v => parseInt(v, 10) / 100)
}
}
}