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add analyzer setup

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iou1name 2024-11-19 22:56:16 -05:00
parent 912da7c28b
commit dadf192aef
1 changed files with 18 additions and 1 deletions
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19
static/pyrite.js
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@ -1,8 +1,10 @@
var player; var player;
var pos_int; var pos_int;
var analyser;
var audio_data;
function init() { function init() {
player = document.getElementById('player'); player = document.querySelector('#player');
player.addEventListener("ended", nextTrack); player.addEventListener("ended", nextTrack);
@ -13,6 +15,8 @@ function init() {
navigator.mediaSession.setActionHandler('nexttrack', nextTrack); navigator.mediaSession.setActionHandler('nexttrack', nextTrack);
pos_int = setInterval(update_position, 300); pos_int = setInterval(update_position, 300);
init_analyzer();
} }
async function get_rand_track() { async function get_rand_track() {
@ -77,4 +81,17 @@ function update_position() {
playbackRate: player.playbackRate, playbackRate: player.playbackRate,
position: parseInt(player.currentTime) position: parseInt(player.currentTime)
}); });
analyser.getByteTimeDomainData(audio_data);
}
function init_analyzer() {
let audioCtx = new AudioContext();
analyser = audioCtx.createAnalyser();
let source = audioCtx.createMediaElementSource(player);
source.connect(analyser);
source.connect(audioCtx.destination);
audio_data = new Uint8Array(analyser.frequencyBinCount);
} }