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// Helpers for Media Source Extensions tests
function runWithMSE(testFunction) {
function bootstrapTest() {
var ms = new MediaSource();
var el = document.createElement("video");
el.src = URL.createObjectURL(ms);
el.preload = "auto";
document.body.appendChild(el);
SimpleTest.registerCleanupFunction(function () {
el.parentNode.removeChild(el);
});
testFunction(ms, el);
}
addLoadEvent(function () {
SpecialPowers.pushPrefEnv({"set": [
[ "media.mediasource.enabled", true ],
]},
bootstrapTest);
});
}
function fetchWithXHR(uri, onLoadFunction) {
var p = new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.open("GET", uri, true);
xhr.responseType = "arraybuffer";
xhr.addEventListener("load", function () {
is(xhr.status, 200, "fetchWithXHR load uri='" + uri + "' status=" + xhr.status);
resolve(xhr.response);
});
xhr.send();
});
if (onLoadFunction) {
p.then(onLoadFunction);
}
return p;
};
function range(start, end) {
var rv = [];
for (var i = start; i < end; ++i) {
rv.push(i);
}
return rv;
}
function once(target, name, cb) {
var p = new Promise(function(resolve, reject) {
target.addEventListener(name, function onceEvent() {
target.removeEventListener(name, onceEvent);
resolve();
});
});
if (cb) {
p.then(cb);
}
return p;
}
function timeRangeToString(r) {
var str = "TimeRanges: ";
for (var i = 0; i < r.length; i++) {
str += "[" + r.start(i) + ", " + r.end(i) + ")";
}
return str;
}
function loadSegment(sb, typedArrayOrArrayBuffer) {
var typedArray = (typedArrayOrArrayBuffer instanceof ArrayBuffer) ? new Uint8Array(typedArrayOrArrayBuffer)
: typedArrayOrArrayBuffer;
info(`Loading buffer: [${typedArray.byteOffset}, ${typedArray.byteOffset + typedArray.byteLength})`);
var beforeBuffered = timeRangeToString(sb.buffered);
return new Promise(function(resolve, reject) {
once(sb, 'update').then(function() {
var afterBuffered = timeRangeToString(sb.buffered);
info(`SourceBuffer buffered ranges grew from ${beforeBuffered} to ${afterBuffered}`);
resolve();
});
sb.appendBuffer(typedArray);
});
}
function fetchAndLoad(sb, prefix, chunks, suffix) {
// Fetch the buffers in parallel.
var buffers = {};
var fetches = [];
for (var chunk of chunks) {
fetches.push(fetchWithXHR(prefix + chunk + suffix).then(((c, x) => buffers[c] = x).bind(null, chunk)));
}
// Load them in series, as required per spec.
return Promise.all(fetches).then(function() {
var rv = Promise.resolve();
for (var chunk of chunks) {
rv = rv.then(loadSegment.bind(null, sb, buffers[chunk]));
}
return rv;
});
}
//Register timeout function to dump debugging logs.
SimpleTest.registerTimeoutFunction(function() {
for (var v of document.getElementsByTagName("video")) {
v.mozDumpDebugInfo();
}
for (var a of document.getElementsByTagName("audio")) {
a.mozDumpDebugInfo();
}
});
function waitUntilTime(target, targetTime) {
return new Promise(function(resolve, reject) {
target.addEventListener("waiting", function onwaiting() {
info("Got a waiting event at " + target.currentTime);
if (target.currentTime >= targetTime) {
ok(true, "Reached target time of: " + targetTime);
target.removeEventListener("waiting", onwaiting);
resolve();
}
});
});
}
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