mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-30 11:37:16 +02:00
5ab536b33c
The goal with these timeouts was to eagerly fail the test and not spend an excessive amount of time waiting for the full test-web timeout. However, since CI uses sanitizers, it's plausible that the time it takes between steps, especially the fetch, could exceed that. Instead, let's just let test-web time these out. Hopefully this will make the test green on CI.
83 lines
3.3 KiB
HTML
83 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<video id="video"></video>
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<script src="../include.js"></script>
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<script>
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asyncTest(done => {
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function step(text) {
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println(text);
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}
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function fail(name, error) {
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println(`FAIL: ${name}: ${error}`);
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done();
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}
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function formatRanges(buffered) {
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const parts = [];
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for (let i = 0; i < buffered.length; i++)
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parts.push(`${buffered.start(i)}-${buffered.end(i)}`);
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return `[${parts.join(", ")}]`;
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}
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try {
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const video = document.getElementById("video");
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const mimeType = 'video/webm;codecs="vp9,opus"';
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const mediaSource = new MediaSource();
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video.src = URL.createObjectURL(mediaSource);
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// The test WebM file has:
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// Init segment: bytes 0-529
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// Cluster 1 (0ms): bytes 530-946884
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// Cluster 2 (4981ms): bytes 946885-1605920
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// Cluster 3 (9601ms): bytes 1605921-end
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const INIT_END = 530;
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const CLUSTER2_START = 946885;
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const CLUSTER3_START = 1605921;
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mediaSource.addEventListener("sourceopen", async () => {
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try {
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const sourceBuffer = mediaSource.addSourceBuffer(mimeType);
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const response = await fetch("../../../Assets/test-webm.webm");
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if (!response.ok) {
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fail("fetch", `HTTP ${response.status}`);
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return;
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}
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const data = await response.arrayBuffer();
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async function appendSlice(start, end, name) {
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const slice = data.slice(start, end);
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await new Promise((resolve, reject) => {
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sourceBuffer.addEventListener("updateend", resolve, { once: true });
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sourceBuffer.addEventListener("error", () => reject(new Error("error")), { once: true });
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sourceBuffer.appendBuffer(slice);
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});
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step(`after ${name}: ${formatRanges(sourceBuffer.buffered)}`);
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}
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await appendSlice(0, INIT_END, "init");
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// Append init segment + Cluster 1 (0~4.9s).
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await appendSlice(0, CLUSTER2_START, "cluster 1");
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// Append Cluster 3 (9.6s+), skipping Cluster 2.
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await appendSlice(CLUSTER3_START, undefined, "cluster 3");
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// Append Cluster 2 (4.9s~9.6s), which won't actually fill the gap because Cluster 2 doesn't
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// contain any video keyframes.
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await appendSlice(CLUSTER2_START, CLUSTER3_START, "cluster 2");
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// Append Clusters 1 and 2 again to fill in the gap properly.
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await appendSlice(INIT_END, CLUSTER2_START, "cluster 1 again");
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await appendSlice(CLUSTER2_START, CLUSTER3_START, "cluster 2 again");
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done();
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} catch (e) {
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fail("sourceopen handler", e);
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}
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});
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} catch (e) {
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fail("setup", e);
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}
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});
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</script>
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