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Do not require 48KHz

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Mid 2024-12-22 11:20:09 +02:00
parent 6f26dced64
commit 7bf03b02ae
1 changed files with 6 additions and 4 deletions
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10
blarf.js
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@ -17,14 +17,17 @@
var AudCtx var AudCtx
var AudScript var AudScript
var AudHz
function create_audio(hz, channels) { function create_audio(hz, channels) {
if(AudCtx) { if(AudCtx) {
AudCtx.close() AudCtx.close()
} }
AudHz = hz
AudCtx = new AudioContext({sampleRate: hz}) AudCtx = new AudioContext({sampleRate: hz})
AudScript = AudCtx.createScriptProcessor(1024, 2, 2) AudScript = AudCtx.createScriptProcessor(1024, channels, channels)
AudScript.onaudioprocess = function(e) { AudScript.onaudioprocess = function(e) {
var outL = e.outputBuffer.getChannelData(0) var outL = e.outputBuffer.getChannelData(0)
var outR = channels > 1 ? e.outputBuffer.getChannelData(1) : null var outR = channels > 1 ? e.outputBuffer.getChannelData(1) : null
@ -106,7 +109,7 @@
if(AudCtx && AudCtx.state != "running") { if(AudCtx && AudCtx.state != "running") {
var durationInAudioQueue = AudioQueue.length ? AudioQueue.reduce((acc, el) => acc + el.left.length, 0) : 0 var durationInAudioQueue = AudioQueue.length ? AudioQueue.reduce((acc, el) => acc + el.left.length, 0) : 0
var durationToRemove = Math.max(durationInAudioQueue - (VideoQueue.length ? (VideoQueue[VideoQueue.length - 1].t - VideoQueue[0].t) : 0) * 48, 0) var durationToRemove = Math.max(durationInAudioQueue - (VideoQueue.length ? (VideoQueue[VideoQueue.length - 1].t - VideoQueue[0].t) : 0) * AudHz / 1000, 0)
while(AudioQueue.length && durationToRemove) { while(AudioQueue.length && durationToRemove) {
var amount = Math.min(durationToRemove, AudioQueue[0].left.length) var amount = Math.min(durationToRemove, AudioQueue[0].left.length)
@ -137,7 +140,7 @@
text = text + k + ":" + (Math.floor(100 * Statistics[k].sum / Statistics[k].count) / 100) + "," text = text + k + ":" + (Math.floor(100 * Statistics[k].sum / Statistics[k].count) / 100) + ","
} }
stats.innerText = text*/ stats.innerText = text*/
stats.innerHTML = (VideoQueue.length ? (VideoQueue[VideoQueue.length - 1].t - VideoQueue[0].t) : "0") + "v" + (AudioQueue.reduce(function(acc, obj) {return acc + obj.left.length / 48}, 0)|0) + "a" stats.innerHTML = (VideoQueue.length ? (VideoQueue[VideoQueue.length - 1].t - VideoQueue[0].t) : "0") + "v" + (AudioQueue.reduce(function(acc, obj) {return acc + obj.left.length * AudHz / 1000}, 0)|0) + "a"
} }
} }
@ -290,7 +293,6 @@
} }
ondata(elID, data) { ondata(elID, data) {
if(EBMLParser.vi_to_i(data) == 48000) debugger
if(elID == 0xD7) { if(elID == 0xD7) {
// Track Entry -> Track Number // Track Entry -> Track Number
this.tracks[this.tracks.length - 1].id = EBMLParser.vi_to_i(data) this.tracks[this.tracks.length - 1].id = EBMLParser.vi_to_i(data)