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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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12
Modules/Audio/LinearSpectrum.qml
View file

@ -24,12 +24,6 @@ Item {
height: root.height * amp height: root.height * amp
x: index * xScale x: index * xScale
y: root.height - height y: root.height - height
Behavior on height {
SmoothedAnimation {
duration: 33
}
}
} }
} }
@ -47,12 +41,6 @@ Item {
height: root.height * amp height: root.height * amp
x: (values.length + index) * xScale x: (values.length + index) * xScale
y: root.height - height y: root.height - height
Behavior on height {
SmoothedAnimation {
duration: 33
}
}
} }
} }
} }

24
Services/Cava.qml
View file

@ -13,7 +13,7 @@ Singleton {
property var config: ({ property var config: ({
"general": { "general": {
"bars": barsCount, "bars": barsCount,
"framerate": 40, "framerate": 60,
"autosens": 0, "autosens": 0,
"overshoot": 0, "overshoot": 0,
"sensitivity": 200, "sensitivity": 200,
@ -26,7 +26,8 @@ Singleton {
}, },
"output": { "output": {
"method": "raw", "method": "raw",
"data_format": "binary", "data_format": "ascii",
"ascii_max_range": 100,
"bit_format": "8bit", "bit_format": "8bit",
"channels": "mono", "channels": "mono",
"mono_option": "average" "mono_option": "average"
@ -35,17 +36,14 @@ Singleton {
Process { Process {
id: process id: process
property int fillIndex: 0
stdinEnabled: true stdinEnabled: true
running: MediaPlayer.isPlaying running: MediaPlayer.isPlaying
command: ["cava", "-p", "/dev/stdin"] command: ["cava", "-p", "/dev/stdin"]
onExited: { onExited: {
stdinEnabled = true stdinEnabled = true
fillIndex = 0
values = Array(barsCount).fill(0) values = Array(barsCount).fill(0)
} }
onStarted: { onStarted: {
for (const k in config) { for (const k in config) {
if (typeof config[k] !== "object") { if (typeof config[k] !== "object") {
write(k + "=" + config[k] + "\n") write(k + "=" + config[k] + "\n")
@ -58,25 +56,11 @@ Singleton {
} }
} }
stdinEnabled = false stdinEnabled = false
fillIndex = 0
values = Array(barsCount).fill(0) values = Array(barsCount).fill(0)
} }
stdout: SplitParser { stdout: SplitParser {
splitMarker: ""
onRead: data => { onRead: data => {
if (process.fillIndex + data.length >= barsCount) { root.values = data.slice(0, -1).split(";").map(v => parseInt(v, 10) / 100)
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
} }
} }
} }