Apple-1-Tools
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apple1js
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Fix loading audio files.

This commit is contained in:
Will Scullin 2019-09-05 21:42:40 -07:00
parent 6858c298cf
commit d189fe98d5
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1 changed files with 26 additions and 17 deletions
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43
js/apple1.js
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@ -74,33 +74,42 @@ aci.setData(window.tapes['Microchess'].tracks);
// Audio Buffer Source
var context;
if (typeof window.webkitAudioContext != 'undefined') {
context = new window.webkitAudioContext();
if (typeof window.webkitAudioContext !== 'undefined') {
context = window.webkitAudioContext;
} else if (typeof window.AudioContext !== 'undefined') {
context = new window.AudioContext();
}
export function doLoadLocal() {
context.resume();
var files = document.querySelector('#local_file').files;
if (files.length == 1) {
var file = files[0];
var fileReader = new FileReader();
fileReader.onload = function(ev) {
context.decodeAudioData(ev.target.result, function(buffer) {
var buf = [];
var data = buffer.getChannelData(0);
var old = (data[0] > 0.25);
var last = 0;
for (var idx = 1; idx < data.length; idx++) {
var current = (data[idx] > 0.25);
if (current != old) {
var delta = idx - last;
buf.push(parseInt(delta / buffer.sampleRate * 1023000));
old = current;
last = idx;
context.decodeAudioData(
ev.target.result,
function(buffer) {
var buf = [];
var data = buffer.getChannelData(0);
var old = (data[0] > 0.25);
var last = 0;
for (var idx = 1; idx < data.length; idx++) {
var current = (data[idx] > 0.25);
if (current != old) {
var delta = idx - last;
buf.push(parseInt(delta / buffer.sampleRate * 1023000));
old = current;
last = idx;
}
}
aci.buffer = buf;
MicroModal.close('local-modal');
},
function(error) {
window.alert(error.message);
}
aci.buffer = buf;
MicroModal.close('local-modal');
});
);
};
fileReader.readAsArrayBuffer(file);
}