improve config for cava and add base for equalizer. It works but needs some performance fixes

cava/config

@@ -11,21 +11,21 @@
 ; mode = normal
 
 # Accepts only non-negative values.
-; framerate = 60
+framerate = 60
 
 # 'autosens' will attempt to decrease sensitivity if the bars peak. 1 = on, 0 = off
 # new as of 0.6.0 autosens of low values (dynamic range)
 # 'overshoot' allows bars to overshoot (in % of terminal height) without initiating autosens. DEPRECATED as of 0.6.0
-; autosens = 1
+autosens = 1
 ; overshoot = 20
 
 # Manual sensitivity in %. If autosens is enabled, this will only be the initial value.
 # 200 means double height. Accepts only non-negative values.
-; sensitivity = 100
+sensitivity = 40
 
 # The number of bars (0-512). 0 sets it to auto (fill up console).
 # Bars' width and space between bars in number of characters.
-bars = 64
+bars = 32
 ; bar_width = 2
 ; bar_spacing = 1
 # bar_height is only used for output in "noritake" format
@@ -40,7 +40,7 @@ bars = 64
 ; bar_spacing = 0
 
 # ceter bars in terminal, if there is space.
-; center_align = 1
+center_align = 0
 
 # max height of bars in terminal, in percent of terminal height.
 ; max_height = 100
@@ -176,9 +176,9 @@ method = raw
 # 'mono' outputs left to right lowest to highest frequencies.
 # 'mono_option' set mono to either take input from 'left', 'right' or 'average'.
 # set 'reverse' to 1 to display frequencies the other way around.
-; channels = stereo
+channels = mono
-; mono_option = average
+mono_option = average
-; reverse = 0
+reverse = 0
 
 # Only valid if orientation is set to 'horizontal'.
 # Set 'horizontal_stereo' to 1 to have left channel bars at top and right channel at bottom.
@@ -202,8 +202,8 @@ ascii_max_range = 100
 
 # Ascii delimiters. In ascii format each bar and frame is separated by a delimiters.
 # Use decimal value in ascii table (i.e. 59 = ';' and 10 = '\n' (line feed)).
-; bar_delimiter = 59
+bar_delimiter = 59
-; frame_delimiter = 10
+frame_delimiter = 10
 
 # sdl window size and position. -1,-1 is centered.
 ; sdl_width = 1024

cava/example_config

@@ -0,0 +1,332 @@
+## Configuration file for CAVA.
+
+# Lines starting with ; show config parameters and default values.
+# Remove the ; to change parameters.
+
+[general]
+
+# Auto reload config if the configuration file has changed. 1 = on, 0 = off.
+; live-config = 0
+
+# Accepts only non-negative values.
+; framerate = 60
+
+# 'autosens' will attempt to decrease sensitivity if the bars peak and increase slowly as
+# long as the bars don't peak. 0 = off, 1 = normal, 2..n = more aggressive.
+# increase to make sensitivity increase even faster.
+; autosens = 1
+
+# Manual sensitivity in %. If autosens is enabled, this will only be the initial value.
+# 200 means double height. Accepts only non-negative values.
+; sensitivity = 100
+
+# The number of bars (0-512). 0 sets it to auto (fill up console).
+# Bars' width and space between bars in number of characters.
+; bars = 0
+; bar_width = 2
+; bar_spacing = 1
+# bar_height is only used for output in "noritake" format
+; bar_height = 32
+
+# For SDL width and space between bars is in pixels, defaults are:
+; bar_width = 20
+; bar_spacing = 5
+
+# sdl_glsl have these default values, they are only used to calculate max number of bars.
+; bar_width = 1
+; bar_spacing = 0
+
+# center bars in terminal, if there is space.
+center_align = 0
+
+# max height of bars in terminal, in percent of terminal height.
+; max_height = 100
+
+# Lower and higher cutoff frequencies for lowest and highest bars
+# the bandwidth of the visualizer.
+# Note: there is a minimum total bandwidth of 43Mhz x number of bars.
+# Cava will automatically increase the higher cutoff frequency if needed to satisfy the minimum bandwidth.
+; lower_cutoff_freq = 50
+; higher_cutoff_freq = 10000
+
+# Seconds with no input before cava goes to sleep mode. Cava will not perform FFT or drawing and
+# only check for input once per second. Cava will wake up once input is detected. 0 = disable.
+; sleep_timer = 0
+
+
+[input]
+
+# Audio capturing method. Possible methods are: 'fifo', 'portaudio', 'pipewire', 'alsa', 'pulse', 'sndio', 'oss', 'jack' or 'shmem'
+# Defaults to 'oss', 'pipewire', 'sndio', 'jack', 'pulse', 'alsa', 'portaudio' or 'fifo', in that order, dependent on what support cava was built with.
+# On Mac it defaults to 'portaudio' or 'fifo'
+# On Windows this is automatic and no input settings are needed.
+#
+# Each input method uses the same config variable 'source'
+# to define where it should get the audio.
+#
+# For pulseaudio and pipewire 'source' will be the source. Default: 'auto', which uses the monitor source of the default sink
+# (all pulseaudio sinks(outputs) have 'monitor' sources(inputs) associated with them).
+#
+# For pipewire 'source' will be the object name or object.serial of the device to capture from.
+# Both input and output devices are supported. To capture the monitor source of a sink node, append '.monitor' to the sink's object name.
+#
+# For alsa 'source' will be the capture device.
+# For fifo 'source' will be the path to fifo-file.
+# For shmem 'source' will be /squeezelite-AA:BB:CC:DD:EE:FF where 'AA:BB:CC:DD:EE:FF' will be squeezelite's MAC address
+#
+# For sndio 'source' will be a raw recording audio descriptor or a monitoring sub-device, e.g. 'rsnd/2' or 'snd/1'. Default: 'default'.
+# README.md contains further information on how to setup CAVA for sndio.
+#
+# For oss 'source' will be the path to a audio device, e.g. '/dev/dsp2'. Default: '/dev/dsp', i.e. the default audio device.
+# README.md contains further information on how to setup CAVA for OSS on FreeBSD.
+#
+# For jack 'source' will be the name of the JACK server to connect to, e.g. 'foobar'. Default: 'default'.
+# README.md contains further information on how to setup CAVA for JACK.
+#
+; method = pulse
+; source = auto
+
+; method = pipewire
+; source = auto
+
+; method = alsa
+; source = hw:Loopback,1
+
+; method = fifo
+; source = /tmp/mpd.fifo
+
+; method = shmem
+; source = /squeezelite-AA:BB:CC:DD:EE:FF
+
+; method = portaudio
+; source = auto
+
+; method = sndio
+; source = default
+
+; method = oss
+; source = /dev/dsp
+
+; method = jack
+; source = default
+
+# The options 'sample_rate', 'sample_bits', 'channels' and 'autoconnect' can be configured for some input methods:
+#   sample_rate: fifo, pipewire, sndio, oss
+#   sample_bits: fifo, pipewire, sndio, oss
+#   channels:    sndio, oss, jack
+#   autoconnect: jack
+# Other methods ignore these settings.
+# For pipewire, sample_rate will default to 48000, for all other input methods, sample_rate will default to 44100.
+#
+# For 'sndio' and 'oss' they are only preferred values, i.e. if the values are not supported
+# by the chosen audio device, the device will use other supported values instead.
+# Example: 48000, 32 and 2, but the device only supports 44100, 16 and 1, then it
+# will use 44100, 16 and 1.
+#
+#
+# The 'pipewire' input method has three options to control linking and mixing:
+#   active: Force the node to always process. Useful for monitoring sources when no other application is active.
+#   remix: Allow pipewire to remix audio channels to match cava's channel count. Useful for surround sound.
+#   virtual: Set the node to virtual, to avoid recording notifications from the DE.
+#
+; sample_rate = 44100
+; sample_bits = 16
+; channels = 2
+; autoconnect = 2
+; active = 1
+; remix = 1
+; virtual = 1
+
+
+[output]
+
+# Output method. Can be 'ncurses', 'noncurses', 'raw', 'noritake', 'sdl'
+# or 'sdl_glsl'.
+# 'noncurses' (default) uses a buffer and cursor movements to only print
+# changes from frame to frame in the terminal. Uses less resources and is less
+# prone to tearing (vsync issues) than 'ncurses'.
+#
+# 'raw' is an 8 or 16 bit (configurable via the 'bit_format' option) data
+# stream of the bar heights that can be used to send to other applications.
+# 'raw' defaults to 1024 bars stereo (512 bars mono), which can be adjusted in the 'bars' option above.
+#
+# 'noritake' outputs a bitmap in the format expected by a Noritake VFD display
+# in graphic mode. It only support the 3000 series graphical VFDs for now.
+#
+# 'sdl' uses the Simple DirectMedia Layer to render in a graphical context.
+# 'sdl_glsl' uses SDL to create an OpenGL context. Write your own shaders or
+# use one of the predefined ones.
+; method = noncurses
+
+# Orientation of the visualization. Can be 'bottom', 'top', 'left', 'right' or
+# 'horizontal'. Default is 'bottom'. 'left and 'right' are only supported on sdl
+# and ncurses output. 'horizontal' (bars go up and down from center) is only supported
+# on noncurses output.
+# Note: many fonts have weird or missing glyphs for characters used in orientations
+# other than 'bottom', which can make output not look right.
+orientation = bottom
+
+# Visual channels. Can be 'stereo' or 'mono'.
+# 'stereo' mirrors both channels with low frequencies in center.
+# 'mono' outputs left to right lowest to highest frequencies.
+# 'mono_option' set mono to either take input from 'left', 'right' or 'average'.
+# set 'reverse' to 1 to display frequencies the other way around.
+channels = mono
+mono_option = average
+reverse = 0
+
+# Only valid if orientation is set to 'horizontal'.
+# Set 'horizontal_stereo' to 1 to have left channel bars at top and right channel at bottom.
+# Set 'left_bottom' to 0 to have right channel at top and left channel at bottom.
+; horizontal_stereo = 0
+; left_bottom = 1
+
+# Raw output target.
+# On Linux, a fifo will be created if target does not exist.
+# On Windows, a named pipe will be created if target does not exist.
+; raw_target = /dev/stdout
+
+# Raw data format. Can be 'binary' or 'ascii'.
+; data_format = binary
+
+# Binary bit format, can be '8bit' (0-255) or '16bit' (0-65530).
+; bit_format = 16bit
+
+# Ascii max value. In 'ascii' mode range will run from 0 to value specified here
+; ascii_max_range = 1000
+
+# Ascii delimiters. In ascii format each bar and frame is separated by a delimiter.
+# Use decimal value in ascii table (i.e. 59 = ';' and 10 = '\n' (line feed)).
+; bar_delimiter = 59
+; frame_delimiter = 10
+
+# sdl window size and position. -1,-1 is centered.
+; sdl_width = 1024
+; sdl_height = 512
+; sdl_x = -1
+; sdl_y= -1
+; sdl_full_screen = 0
+
+# set label on bars on the x-axis. Can be 'frequency' or 'none'. Default: 'none'
+# 'frequency' displays the lower cut off frequency of the bar above.
+# Only supported on ncurses and noncurses output.
+; xaxis = none
+
+# enable synchronized sync. 1 = on, 0 = off
+# removes flickering in alacritty terminal emulator.
+# defaults to off since the behaviour in other terminal emulators is unknown
+; synchronized_sync = 0
+
+# Shaders for sdl_glsl, located in $HOME/.config/cava/shaders
+; vertex_shader = pass_through.vert
+
+# Default spectrum shader
+# default value: bar_spectrum.frag
+; fragment_shader = bar_spectrum.frag
+
+# other styles shaders
+; fragment_shader = eye_of_phi.frag
+; fragment_shader = northern_lights.frag
+; fragment_shader = spectrogram.frag
+; fragment_shader = winamp_line_style_spectrum.frag
+
+# Orion shaders (use with: method = sdl_glsl)
+# Static Orion
+; fragment_shader = orion_circle.frag
+# Rotating Orion
+; fragment_shader = orion_circle_rotate.frag
+# Orion saturn subring
+; fragment_shader = orion_saturn_subring.frag
+# Orion saturn core
+; fragment_shader = orion_saturn_core.frag
+
+# For glsl output mode, keep rendering even if no audio. 1 = on, 0 = off. Default: 0
+# Enable for animated shaders so time-based effects keep updating.
+; continuous_rendering = 0
+
+# SDL_GLSL only: gain applied to bar amplitudes before sending to shaders, in percent. Default: 100
+# 0 = mute, 100 = unchanged, >100 = amplify (shader input is clamped to the [0..1] range).
+; sdl_glsl_gain = 100
+
+# disable console blank (screen saver) in tty. 1 = on, 0 = off. Default: 0
+# (Not supported on FreeBSD)
+; disable_blanking = 0
+
+# show a flat bar at the bottom of the screen when idle, 1 = on, 0 = off
+; show_idle_bar_heads = 1
+
+# show waveform instead of frequency spectrum, 1 = on, 0 = off
+; waveform = 0
+
+
+[color]
+
+# Colors can be one of seven predefined: black, blue, cyan, green, magenta, red, white, yellow.
+# Or defined by hex code '#xxxxxx' (hex code must be within ''). User defined colors require
+# a terminal that can change color definitions such as Gnome-terminal or rxvt.
+# default is to keep current terminal color
+; background = default
+; foreground = default
+
+# SDL and sdl_glsl only support hex code colors, these are the default:
+; background = '#111111'
+; foreground = '#33ffff'
+
+# Gradient mode, only hex defined colors are supported,
+# background must also be defined in hex or remain commented out. 1 = on, 0 = off.
+# You can define as many as 8 different colors. They range from bottom to top of the screen
+; gradient = 0
+; gradient_color_1 = '#59cc33'
+; gradient_color_2 = '#80cc33'
+; gradient_color_3 = '#a6cc33'
+; gradient_color_4 = '#cccc33'
+; gradient_color_5 = '#cca633'
+; gradient_color_6 = '#cc8033'
+; gradient_color_7 = '#cc5933'
+; gradient_color_8 = '#cc3333'
+
+# Horizontal is only supported on noncurses output.
+# Only one color will be calculated per bar.
+; horizontal_gradient = 0
+; horizontal_gradient_color_1 = '#c45161'
+; horizontal_gradient_color_2 = '#e094a0'
+; horizontal_gradient_color_3 = '#f2b6c0'
+; horizontal_gradient_color_4 = '#f2dde1'
+; horizontal_gradient_color_5 = '#cbc7d8'
+; horizontal_gradient_color_6 = '#8db7d2'
+; horizontal_gradient_color_7 = '#5e62a9'
+; horizontal_gradient_color_8 = '#434279'
+
+# If both vertical and horizontal gradients are enabled, the vertical one will be blended in this direction.
+# Can be 'up', 'down', 'left' or 'right'. 'up' means the vertical gradient will be blended in from
+# bottom to top. I.e. the bottom will only be the horizontal
+# and top will only be the vertical color of the gradient.
+; blend_direction = 'up'
+
+# use theme file instead of defining colors in this file
+# themes are located in $HOME/.config/cava/themes
+; theme = 'none'
+
+
+[smoothing]
+
+# Disables or enables the so-called "Monstercat smoothing" with or without "waves". Set to 0 to disable.
+; monstercat = 0
+; waves = 0
+
+# Noise reduction, int 0 - 100. default 77
+# the raw visualization is very noisy, this factor adjusts the integral and gravity filters to keep the signal smooth
+# 100 will be very slow and smooth, 0 will be fast but noisy.
+; noise_reduction = 77
+
+
+[eq]
+
+# This one is tricky. You can have as many keys as you want.
+# Remember to uncomment more than one key! More keys = more precision.
+# Look at readme.md on github for further explanations and examples.
+; 1 = 1 # bass
+; 2 = 1
+; 3 = 1 # midtone
+; 4 = 1
+; 5 = 1 # treble

hypr/autostart.conf

@@ -4,4 +4,4 @@ exec-once = /usr/bin/qs & # quickshell
 exec-once = awww-daemon # wallpaper
 exec-once = hyprsunset # night light
 exec-once = qs -c overview # workspace switcher https://github.com/Shanu-Kumawat/quickshell-overview
-exec-once = cava -p ~/.config/cava/config
+# exec-once = cava -p ~/.config/cava/config

hypr/input.conf

@@ -12,7 +12,7 @@ input {
 
     follow_mouse = 1
 
-    sensitivity = 0 # -1.0 - 1.0, 0 means no modification.
+    sensitivity = -0.8 # -1.0 - 1.0, 0 means no modification.
 
     touchpad {
         natural_scroll = false

quickshell/services/CavaService.qml

@@ -4,23 +4,22 @@ import Quickshell.Io
 
 Item {
     id: root
-    
+
     signal cavaDataChanged(string data)
-    
+
-    // Process {
+    Process {
-    //     id: cavaProcess
+        id: cavaProcess
-    //     command: ["cat", "/tmp/cava.fifo"]
+        command: ["cat", "/tmp/cava.fifo"]
-        
+
-    //     stdout: StdioCollector {
+        stdout: SplitParser {
-    //         waitForEnd: false
+            splitMarker: "\n"          // fires onRead() for each newline-delimited chunk
-    //         onStreamFinished: {
+            onRead: data => {
-    //             console.log("Cava data: " + this.text)
+                root.cavaDataChanged(data);
-    //             root.cavaDataChanged(this.text)
+            }
-    //         }
+        }
-    //     }
-    // }
-    
-    Component.onCompleted: {
-        cavaProcess.running = true
     }
-}
+
+    Component.onCompleted: {
+        cavaProcess.running = true;
+    }
+}

quickshell/ui/NowPlaying.qml

@@ -1,9 +1,9 @@
-
 import QtQuick
 import QtQuick.Layouts
 
 import "../constants"
 import "../services"
+
 Row {
     id: root
 
@@ -12,10 +12,12 @@ Row {
     property string artUrl: ""
     property int maxTextLength: 50
 
+    property int numBands: 32
+
     // if the artist - title text is too long, truncate it
     readonly property string displayText: {
-        const fullText = artist !== "" ? (artist + " - " + title) : title
+        const fullText = artist !== "" ? (artist + " - " + title) : title;
-        return fullText.length > maxTextLength ? fullText.substring(0, maxTextLength - 3) + "..." : fullText
+        return fullText.length > maxTextLength ? fullText.substring(0, maxTextLength - 3) + "..." : fullText;
     }
 
     visible: title !== ""
@@ -27,20 +29,6 @@ Row {
     // where each number represents the amplitude of a frequency band.
     // this can be used to create a simple visualizer
     // also add cava to autostart
-    Canvas {
-        // implicitWidth: parent.implicitWidth
-        // implicitHeight: parent.implicitHeight
-        // anchors.fill: parent
-    }
-
-    CavaService {
-        id: cavaService
-        onCavaDataChanged: {
-            // TODO update the canvas with the new data
-            // console.log("Cava data changed: " + data)
-        }
-    }
-
     Image {
         width: 18
         height: 18
@@ -50,11 +38,107 @@ Row {
     }
 
     Text {
+        id: titleText
         text: root.displayText
         color: Colors.md3.primary
         font.family: Constants.fontFamily
         font.pixelSize: Constants.fontSize
         anchors.verticalCenter: parent.verticalCenter
-        z: 1
+        // z: 1
     }
-}
+
+    Item {
+        id: titleArea
+        anchors.bottom: parent.bottom
+        width: titleText.implicitWidth
+        height: Math.max(titleText.implicitHeight, visualizer.height)
+
+        // Canvas {
+        //     id: visualizer
+        //     anchors.fill: parent
+
+        //     property var cavaData: []
+        //     property var smoothedData: []
+        //     property real inputMax: 20
+        //     property real attackAlpha: 1.0
+        //     property real releaseAlpha: 0.9
+        //     property real maxStepPerFrame: 50
+        //     property bool needsInit: true
+
+        //     Component.onCompleted: {
+        //         for (let i = 0; i < root.numBands; i++) {
+        //             cavaData[i] = 0;
+        //             smoothedData[i] = 0;
+        //         }
+        //         needsInit = false;
+        //     }
+
+        //     function updateData(csvLine) {
+        //         // Fast in-place parse: split once, parse directly into pre-allocated array
+        //         let parts = csvLine.split(";");
+        //         let idx = 0;
+        //         for (let j = 0; j < parts.length && idx < root.numBands; j++) {
+        //             let val = Number(parts[j]);
+        //             if (!isNaN(val))
+        //                 cavaData[idx++] = Math.min(100, Math.max(0, val));
+        //         }
+        //         while (idx < root.numBands)
+        //             cavaData[idx++] = 0;
+
+        //         if (needsInit) {
+        //             for (let i = 0; i < root.numBands; i++)
+        //                 smoothedData[i] = cavaData[i];
+        //             needsInit = false;
+        //         } else {
+        //             // Two-speed smoothing in place with early exit if no significant change
+        //             let changed = false;
+        //             for (let i = 0; i < root.numBands; i++) {
+        //                 let prev = smoothedData[i];
+        //                 let next = cavaData[i];
+        //                 let alpha = next >= prev ? attackAlpha : releaseAlpha;
+        //                 let blended = prev + (next - prev) * alpha;
+        //                 let delta = blended - prev;
+        //                 if (Math.abs(delta) > 0.1)
+        //                     changed = true;
+        //                 if (delta > maxStepPerFrame)
+        //                     blended = prev + maxStepPerFrame;
+        //                 else if (delta < -maxStepPerFrame)
+        //                     blended = prev - maxStepPerFrame;
+        //                 smoothedData[i] = blended;
+        //             }
+        //             if (!changed)
+        //                 return;
+        //         }
+
+        //         visualizer.requestPaint();
+        //     }
+
+        //     onPaint: {
+        //         var ctx = getContext("2d");
+        //         ctx.clearRect(0, 0, width, height);
+        //         if (smoothedData.length === 0) {
+        //             return;
+        //         }
+
+        //         var barWidth = width / root.numBands;
+
+        //         ctx.fillStyle = Colors.md3.on_primary;
+        //         for (let i = 0; i < root.numBands; i++) {
+        //             let normalized = (smoothedData[i] || 0) / inputMax;
+        //             if (normalized > 1)
+        //                 normalized = 1;
+        //             let barHeight = normalized * height;
+
+        //             ctx.fillRect(Math.floor(i * barWidth), Math.floor(height - barHeight), Math.ceil(barWidth), Math.floor(barHeight));
+        //         }
+        //     }
+        // }
+    }
+
+    // CavaService {
+    //     id: cavaService
+    //     onCavaDataChanged: data => {
+    //         visualizer.updateData(data);
+    //     }
+    // }
+}

quickshell/ui/TopBar.qml

@@ -44,6 +44,8 @@ Item {
             artist: root.nowPlayingArtist
             title: root.nowPlayingTitle
             artUrl: root.nowPlayingArtUrl
+            Layout.fillHeight: true
+            Layout.alignment: Qt.AlignBottom
         }
 
         // Spacer