mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-10-22 02:25:05 +00:00
54 lines
2.5 KiB
JavaScript
54 lines
2.5 KiB
JavaScript
|
/* Any copyright is dedicated to the Public Domain.
|
||
|
|
http://creativecommons.org/publicdomain/zero/1.0/ */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test AudioNode#addAutomationEvent() checking automation values, also using
|
||
|
|
* a curve as the last event to check duration spread.
|
||
|
|
*/
|
||
|
|
|
||
|
|
add_task(function*() {
|
||
|
|
let { target, front } = yield initBackend(SIMPLE_CONTEXT_URL);
|
||
|
|
let [_, [destNode, oscNode, gainNode]] = yield Promise.all([
|
||
|
|
front.setup({ reload: true }),
|
||
|
|
get3(front, "create-node")
|
||
|
|
]);
|
||
|
|
|
||
|
|
let t0 = 0, t1 = 0.1, t2 = 0.2, t3 = 0.3, t4 = 0.4, t5 = 0.6, t6 = 0.7, t7 = 1;
|
||
|
|
let curve = [-1, 0, 1];
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "setValueAtTime", [0.2, t0]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "setValueAtTime", [0.3, t1]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "setValueAtTime", [0.4, t2]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "linearRampToValueAtTime", [1, t3]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "linearRampToValueAtTime", [0.15, t4]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "exponentialRampToValueAtTime", [0.75, t5]);
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "exponentialRampToValueAtTime", [0.05, t6]);
|
||
|
|
// End with a curve here so we can get proper results on the last event (which takes into account
|
||
|
|
// duration)
|
||
|
|
yield oscNode.addAutomationEvent("frequency", "setValueCurveAtTime", [curve, t6, t7 - t6]);
|
||
|
|
|
||
|
|
let { events, values } = yield oscNode.getAutomationData("frequency");
|
||
|
|
|
||
|
|
is(events.length, 8, "8 recorded events returned.");
|
||
|
|
is(values.length, 2000, "2000 value points returned.");
|
||
|
|
|
||
|
|
checkAutomationValue(values, 0.05, 0.2);
|
||
|
|
checkAutomationValue(values, 0.1, 0.3);
|
||
|
|
checkAutomationValue(values, 0.15, 0.3);
|
||
|
|
checkAutomationValue(values, 0.2, 0.4);
|
||
|
|
checkAutomationValue(values, 0.25, 0.7);
|
||
|
|
checkAutomationValue(values, 0.3, 1);
|
||
|
|
checkAutomationValue(values, 0.35, 0.575);
|
||
|
|
checkAutomationValue(values, 0.4, 0.15);
|
||
|
|
checkAutomationValue(values, 0.45, 0.15 * Math.pow(0.75/0.15,0.05/0.2));
|
||
|
|
checkAutomationValue(values, 0.5, 0.15 * Math.pow(0.75/0.15,0.5));
|
||
|
|
checkAutomationValue(values, 0.55, 0.15 * Math.pow(0.75/0.15,0.15/0.2));
|
||
|
|
checkAutomationValue(values, 0.6, 0.75);
|
||
|
|
checkAutomationValue(values, 0.65, 0.75 * Math.pow(0.05/0.75, 0.5));
|
||
|
|
checkAutomationValue(values, 0.705, -1); // Increase this time a bit to prevent off by the previous exponential amount
|
||
|
|
checkAutomationValue(values, 0.8, 0);
|
||
|
|
checkAutomationValue(values, 0.9, 1);
|
||
|
|
checkAutomationValue(values, 1, 1);
|
||
|
|
|
||
|
|
yield removeTab(target.tab);
|
||
|
|
});
|