videojs-contrib-hls
Version:
Play back HLS with video.js, even where it's not natively supported
1,548 lines (1,228 loc) • 108 kB
JavaScript
/* eslint-disable max-len */
import document from 'global/document';
import videojs from 'video.js';
import Events from 'video.js';
import QUnit from 'qunit';
import testDataManifests from './test-manifests.js';
import {
useFakeEnvironment,
useFakeMediaSource,
createPlayer,
openMediaSource,
standardXHRResponse,
absoluteUrl
} from './test-helpers.js';
/* eslint-disable no-unused-vars */
// we need this so that it can register hls with videojs
import {HlsSourceHandler, HlsHandler, Hls} from '../src/videojs-contrib-hls';
import window from 'global/window';
// we need this so the plugin registers itself
import 'videojs-contrib-quality-levels';
/* eslint-enable no-unused-vars */
const Flash = videojs.getTech('Flash');
const ogHlsHandlerSetupQualityLevels = videojs.HlsHandler.prototype.setupQualityLevels_;
let nextId = 0;
// do a shallow copy of the properties of source onto the target object
const merge = function(target, source) {
let name;
for (name in source) {
target[name] = source[name];
}
};
QUnit.module('HLS', {
beforeEach(assert) {
this.env = useFakeEnvironment(assert);
this.requests = this.env.requests;
this.mse = useFakeMediaSource();
this.clock = this.env.clock;
this.old = {};
// mock out Flash features for phantomjs
this.old.Flash = videojs.mergeOptions({}, Flash);
/* eslint-disable camelcase */
Flash.embed = function(swf, flashVars) {
let el = document.createElement('div');
el.id = 'vjs_mock_flash_' + nextId++;
el.className = 'vjs-tech vjs-mock-flash';
el.duration = Infinity;
el.vjs_load = function() {};
el.vjs_getProperty = function(attr) {
if (attr === 'buffered') {
return [[0, 0]];
}
return el[attr];
};
el.vjs_setProperty = function(attr, value) {
el[attr] = value;
};
el.vjs_src = function() {};
el.vjs_play = function() {};
el.vjs_discontinuity = function() {};
if (flashVars.autoplay) {
el.autoplay = true;
}
if (flashVars.preload) {
el.preload = flashVars.preload;
}
el.currentTime = 0;
return el;
};
/* eslint-enable camelcase */
this.old.FlashSupported = Flash.isSupported;
Flash.isSupported = function() {
return true;
};
// store functionality that some tests need to mock
this.old.GlobalOptions = videojs.mergeOptions(videojs.options);
// force the HLS tech to run
this.old.NativeHlsSupport = videojs.Hls.supportsNativeHls;
videojs.Hls.supportsNativeHls = false;
this.old.Decrypt = videojs.Hls.Decrypter;
videojs.Hls.Decrypter = function() {};
// save and restore browser detection for the Firefox-specific tests
this.old.browser = videojs.browser;
videojs.browser = videojs.mergeOptions({}, videojs.browser);
this.standardXHRResponse = (request, data) => {
standardXHRResponse(request, data);
// Because SegmentLoader#fillBuffer_ is now scheduled asynchronously
// we have to use clock.tick to get the expected side effects of
// SegmentLoader#handleUpdateEnd_
this.clock.tick(1);
};
// setup a player
this.player = createPlayer();
this.clock.tick(1);
},
afterEach() {
this.env.restore();
this.mse.restore();
merge(videojs.options, this.old.GlobalOptions);
Flash.isSupported = this.old.FlashSupported;
merge(Flash, this.old.Flash);
videojs.Hls.supportsNativeHls = this.old.NativeHlsSupport;
videojs.Hls.Decrypter = this.old.Decrypt;
videojs.browser = this.old.browser;
this.player.dispose();
}
});
QUnit.test('deprecation warning is show when using player.hls', function(assert) {
let oldWarn = videojs.log.warn;
let warning = '';
let hlsPlayerAccessEvents = 0;
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.on('usage', (event) => {
if (event.name === 'hls-player-access') {
hlsPlayerAccessEvents++;
}
});
videojs.log.warn = (text) => {
warning = text;
};
assert.equal(hlsPlayerAccessEvents, 0, 'no hls-player-access event was fired');
let hls = this.player.hls;
assert.equal(hlsPlayerAccessEvents, 1, 'an hls-player-access event was fired');
assert.equal(warning, 'player.hls is deprecated. Use player.tech_.hls instead.', 'warning would have been shown');
assert.ok(hls, 'an instance of hls is returned by player.hls');
videojs.log.warn = oldWarn;
});
QUnit.test('starts playing if autoplay is specified', function(assert) {
this.player.autoplay(true);
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
// make sure play() is called *after* the media source opens
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
assert.ok(!this.player.paused(), 'not paused');
});
QUnit.test('stats are reset on each new source', function(assert) {
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
// make sure play() is called *after* the media source opens
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests.shift());
this.standardXHRResponse(this.requests.shift());
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 1024, 'stat is set');
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 0, 'stat is reset');
});
QUnit.test('XHR requests first byte range on play', function(assert) {
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.triggerReady();
this.clock.tick(1);
this.player.tech_.trigger('play');
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
assert.equal(this.requests[1].headers.Range, 'bytes=0-522827');
});
QUnit.test('Seeking requests correct byte range', function(assert) {
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.trigger('play');
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
this.clock.tick(1);
this.player.currentTime(41);
this.clock.tick(2);
assert.equal(this.requests[2].headers.Range, 'bytes=2299992-2835603');
});
QUnit.test('autoplay seeks to the live point after playlist load', function(assert) {
let currentTime = 0;
this.player.autoplay(true);
this.player.on('seeking', () => {
currentTime = this.player.currentTime();
});
this.player.src({
src: 'liveStart30sBefore.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.trigger('play');
this.standardXHRResponse(this.requests.shift());
this.clock.tick(1);
assert.notEqual(currentTime, 0, 'seeked on autoplay');
});
QUnit.test('autoplay seeks to the live point after media source open', function(assert) {
let currentTime = 0;
this.player.autoplay(true);
this.player.on('seeking', () => {
currentTime = this.player.currentTime();
});
this.player.src({
src: 'liveStart30sBefore.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.triggerReady();
this.clock.tick(1);
this.standardXHRResponse(this.requests.shift());
openMediaSource(this.player, this.clock);
this.player.tech_.trigger('play');
this.clock.tick(1);
assert.notEqual(currentTime, 0, 'seeked on autoplay');
});
QUnit.test('autoplay seeks to the live point after tech fires loadedmetadata in ie11',
function(assert) {
videojs.browser.IE_VERSION = 11;
let currentTime = 0;
this.player.autoplay(true);
this.player.on('seeking', () => {
currentTime = this.player.currentTime();
});
this.player.src({
src: 'liveStart30sBefore.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.trigger('play');
this.standardXHRResponse(this.requests.shift());
this.clock.tick(1);
assert.equal(currentTime, 0, 'have not played yet');
this.player.tech_.trigger('loadedmetadata');
this.clock.tick(1);
assert.notEqual(currentTime, 0, 'seeked after tech is ready');
});
QUnit.test('duration is set when the source opens after the playlist is loaded',
function(assert) {
this.player.src({
src: 'media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.triggerReady();
this.clock.tick(1);
this.standardXHRResponse(this.requests.shift());
openMediaSource(this.player, this.clock);
assert.equal(this.player.tech_.hls.mediaSource.duration,
40,
'set the duration');
});
QUnit.test('codecs are passed to the source buffer', function(assert) {
let codecs = [];
this.player.src({
src: 'custom-codecs.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
let addSourceBuffer = this.player.tech_.hls.mediaSource.addSourceBuffer;
this.player.tech_.hls.mediaSource.addSourceBuffer = function(codec) {
codecs.push(codec);
return addSourceBuffer.call(this, codec);
};
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:CODECS="avc1.dd00dd, mp4a.40.f"\n' +
'media.m3u8\n');
this.standardXHRResponse(this.requests.shift());
assert.equal(codecs.length, 1, 'created a source buffer');
assert.equal(codecs[0], 'video/mp2t; codecs="avc1.dd00dd, mp4a.40.f"', 'specified the codecs');
});
QUnit.test('including HLS as a tech does not error', function(assert) {
let player = createPlayer({
techOrder: ['hls', 'html5']
});
this.clock.tick(1);
assert.ok(player, 'created the player');
assert.equal(this.env.log.warn.calls, 2, 'logged two warnings for deprecations');
});
QUnit.test('creates a PlaylistLoader on init', function(assert) {
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.src({
src: 'manifest/playlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
assert.equal(this.requests[0].aborted, true, 'aborted previous src');
this.standardXHRResponse(this.requests[1]);
assert.ok(this.player.tech_.hls.playlists.master,
'set the master playlist');
assert.ok(this.player.tech_.hls.playlists.media(),
'set the media playlist');
assert.ok(this.player.tech_.hls.playlists.media().segments,
'the segment entries are parsed');
assert.strictEqual(this.player.tech_.hls.playlists.master.playlists[0],
this.player.tech_.hls.playlists.media(),
'the playlist is selected');
});
QUnit.test('sets the duration if one is available on the playlist', function(assert) {
let events = 0;
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.on('durationchange', function() {
events++;
});
this.standardXHRResponse(this.requests[0]);
assert.equal(this.player.tech_.hls.mediaSource.duration,
40,
'set the duration');
assert.equal(events, 1, 'durationchange is fired');
});
QUnit.test('estimates individual segment durations if needed', function(assert) {
let changes = 0;
this.player.src({
src: 'http://example.com/manifest/missingExtinf.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.mediaSource.duration = NaN;
this.player.tech_.on('durationchange', function() {
changes++;
});
this.standardXHRResponse(this.requests[0]);
assert.strictEqual(this.player.tech_.hls.mediaSource.duration,
this.player.tech_.hls.playlists.media().segments.length * 10,
'duration is updated');
assert.strictEqual(changes, 1, 'one durationchange fired');
});
QUnit.test('translates seekable by the starting time for live playlists', function(assert) {
let seekable;
this.player.src({
src: 'media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-MEDIA-SEQUENCE:15\n' +
'#EXT-X-TARGETDURATION:10\n' +
'#EXTINF:10,\n' +
'0.ts\n' +
'#EXTINF:10,\n' +
'1.ts\n' +
'#EXTINF:10,\n' +
'2.ts\n' +
'#EXTINF:10,\n' +
'3.ts\n');
seekable = this.player.seekable();
assert.equal(seekable.length, 1, 'one seekable range');
assert.equal(seekable.start(0), 0, 'the earliest possible position is at zero');
assert.equal(seekable.end(0), 10, 'end is relative to the start');
});
QUnit.test('starts downloading a segment on loadedmetadata', function(assert) {
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.buffered = function() {
return videojs.createTimeRange(0, 0);
};
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
this.standardXHRResponse(this.requests[1]);
assert.strictEqual(this.requests[1].url,
absoluteUrl('manifest/media-00001.ts'),
'the first segment is requested');
// verify stats
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 1024, '1024 bytes');
assert.equal(this.player.tech_.hls.stats.mediaRequests, 1, '1 request');
});
QUnit.test('re-initializes the handler for each source', function(assert) {
let firstPlaylists;
let secondPlaylists;
let firstMSE;
let secondMSE;
let aborts = 0;
let masterPlaylistController;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
firstPlaylists = this.player.tech_.hls.playlists;
firstMSE = this.player.tech_.hls.mediaSource;
this.standardXHRResponse(this.requests.shift());
this.standardXHRResponse(this.requests.shift());
masterPlaylistController = this.player.tech_.hls.masterPlaylistController_;
masterPlaylistController.mainSegmentLoader_.sourceUpdater_.sourceBuffer_.abort = () => {
aborts++;
};
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
secondPlaylists = this.player.tech_.hls.playlists;
secondMSE = this.player.tech_.hls.mediaSource;
assert.equal(1, aborts, 'aborted the old source buffer');
assert.ok(this.requests[0].aborted, 'aborted the old segment request');
assert.notStrictEqual(firstPlaylists,
secondPlaylists,
'the playlist object is not reused');
assert.notStrictEqual(firstMSE, secondMSE, 'the media source object is not reused');
});
QUnit.test('triggers a media source error when an initial playlist request errors',
function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.requests.pop().respond(500);
assert.equal(this.player.tech_.hls.mediaSource.error_,
'network',
'a network error is triggered');
});
QUnit.test(
'triggers a player error when an initial playlist request errors and the media source ' +
'isn\'t open',
function(assert) {
const done = assert.async();
const origError = videojs.log.error;
const errLogs = [];
const endOfStreams = [];
videojs.log.error = (log) => errLogs.push(log);
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
this.player.tech_.hls.masterPlaylistController_.mediaSource.endOfStream = (type) => {
endOfStreams.push(type);
throw new Error();
};
this.player.on('error', () => {
const error = this.player.error();
assert.equal(endOfStreams.length, 1, 'one endOfStream called');
assert.equal(endOfStreams[0], 'network', 'endOfStream called with network');
assert.equal(error.code, 2, 'error has correct code');
assert.equal(error.message,
'HLS playlist request error at URL: manifest/master.m3u8',
'error has correct message');
assert.equal(errLogs.length, 1, 'logged an error');
videojs.log.error = origError;
assert.notOk(this.player.tech_.hls.mediaSource.error_, 'no media source error');
done();
});
this.requests.pop().respond(500);
});
QUnit.test('downloads media playlists after loading the master', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 20e10;
this.standardXHRResponse(this.requests[0]);
this.standardXHRResponse(this.requests[1]);
this.standardXHRResponse(this.requests[2]);
assert.strictEqual(this.requests[0].url,
'manifest/master.m3u8',
'master playlist requested');
assert.strictEqual(this.requests[1].url,
absoluteUrl('manifest/media2.m3u8'),
'media playlist requested');
assert.strictEqual(this.requests[2].url,
absoluteUrl('manifest/media2-00001.ts'),
'first segment requested');
// verify stats
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 1024, '1024 bytes');
assert.equal(this.player.tech_.hls.stats.mediaRequests, 1, '1 request');
});
QUnit.test('setting bandwidth resets throughput', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.hls.throughput = 1000;
assert.strictEqual(this.player.tech_.hls.throughput,
1000,
'throughput is set');
this.player.tech_.hls.bandwidth = 20e10;
assert.strictEqual(this.player.tech_.hls.throughput,
0,
'throughput is reset when bandwidth is specified');
});
QUnit.test('a thoughput of zero is ignored in systemBandwidth', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.hls.bandwidth = 20e10;
assert.strictEqual(this.player.tech_.hls.throughput,
0,
'throughput is reset when bandwidth is specified');
assert.strictEqual(this.player.tech_.hls.systemBandwidth,
20e10,
'systemBandwidth is the same as bandwidth');
});
QUnit.test('systemBandwidth is a combination of thoughput and bandwidth', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
this.player.tech_.hls.bandwidth = 20e10;
this.player.tech_.hls.throughput = 20e10;
// 1 / ( 1 / 20e10 + 1 / 20e10) = 10e10
assert.strictEqual(this.player.tech_.hls.systemBandwidth,
10e10,
'systemBandwidth is the combination of bandwidth and throughput');
});
QUnit.test('upshifts if the initial bandwidth hint is high', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 10e20;
this.standardXHRResponse(this.requests[0]);
this.standardXHRResponse(this.requests[1]);
this.standardXHRResponse(this.requests[2]);
assert.strictEqual(
this.requests[0].url,
'manifest/master.m3u8',
'master playlist requested'
);
assert.strictEqual(
this.requests[1].url,
absoluteUrl('manifest/media2.m3u8'),
'media playlist requested'
);
assert.strictEqual(
this.requests[2].url,
absoluteUrl('manifest/media2-00001.ts'),
'first segment requested'
);
// verify stats
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 1024, '1024 bytes');
assert.equal(this.player.tech_.hls.stats.mediaRequests, 1, '1 request');
});
QUnit.test('downshifts if the initial bandwidth hint is low', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 100;
this.standardXHRResponse(this.requests[0]);
this.standardXHRResponse(this.requests[1]);
this.standardXHRResponse(this.requests[2]);
assert.strictEqual(this.requests[0].url,
'manifest/master.m3u8',
'master playlist requested');
assert.strictEqual(this.requests[1].url,
absoluteUrl('manifest/media1.m3u8'),
'media playlist requested');
assert.strictEqual(this.requests[2].url,
absoluteUrl('manifest/media1-00001.ts'),
'first segment requested');
// verify stats
assert.equal(this.player.tech_.hls.stats.mediaBytesTransferred, 1024, '1024 bytes');
assert.equal(this.player.tech_.hls.stats.mediaRequests, 1, '1 request');
});
QUnit.test('buffer checks are noops until a media playlist is ready', function(assert) {
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.clock.tick(10 * 1000);
assert.strictEqual(1, this.requests.length, 'one request was made');
assert.strictEqual(this.requests[0].url,
'manifest/media.m3u8',
'media playlist requested');
});
QUnit.test('buffer checks are noops when only the master is ready', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
// master
this.standardXHRResponse(this.requests.shift());
// media
this.standardXHRResponse(this.requests.shift());
// ignore any outstanding segment requests
this.requests.length = 0;
// load in a new playlist which will cause playlists.media() to be
// undefined while it is being fetched
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
// respond with the master playlist but don't send the media playlist yet
// force media1 to be requested
this.player.tech_.hls.bandwidth = 1;
// master
this.standardXHRResponse(this.requests.shift());
this.clock.tick(10 * 1000);
assert.strictEqual(this.requests.length, 1, 'one request was made');
assert.strictEqual(this.requests[0].url,
absoluteUrl('manifest/media1.m3u8'),
'media playlist requested');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1, 'bandwidth set above');
});
QUnit.test('selects a playlist below the current bandwidth', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
// the default playlist has a really high bitrate
this.player.tech_.hls.playlists.master.playlists[0].attributes.BANDWIDTH = 9e10;
// playlist 1 has a very low bitrate
this.player.tech_.hls.playlists.master.playlists[1].attributes.BANDWIDTH = 1;
// but the detected client bandwidth is really low
this.player.tech_.hls.bandwidth = 10;
playlist = this.player.tech_.hls.selectPlaylist();
assert.strictEqual(playlist,
this.player.tech_.hls.playlists.master.playlists[1],
'the low bitrate stream is selected');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 10, 'bandwidth set above');
});
QUnit.test('selects a primary rendtion when there are multiple rendtions share same attributes', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
standardXHRResponse(this.requests[0]);
// covers playlists with same bandwidth but different resolution and different bandwidth but same resolution
this.player.tech_.hls.playlists.master.playlists[0].attributes.BANDWIDTH = 528;
this.player.tech_.hls.playlists.master.playlists[1].attributes.BANDWIDTH = 528;
this.player.tech_.hls.playlists.master.playlists[2].attributes.BANDWIDTH = 728;
this.player.tech_.hls.playlists.master.playlists[3].attributes.BANDWIDTH = 728;
this.player.tech_.hls.bandwidth = 1000;
playlist = this.player.tech_.hls.selectPlaylist();
assert.strictEqual(playlist,
this.player.tech_.hls.playlists.master.playlists[2],
'select the rendition with largest bandwidth and just-larger-than video player');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1000, 'bandwidth set above');
// covers playlists share same bandwidth and resolutions
this.player.tech_.hls.playlists.master.playlists[0].attributes.BANDWIDTH = 728;
this.player.tech_.hls.playlists.master.playlists[0].attributes.RESOLUTION.width = 960;
this.player.tech_.hls.playlists.master.playlists[0].attributes.RESOLUTION.height = 540;
this.player.tech_.hls.playlists.master.playlists[1].attributes.BANDWIDTH = 728;
this.player.tech_.hls.playlists.master.playlists[2].attributes.BANDWIDTH = 728;
this.player.tech_.hls.playlists.master.playlists[2].attributes.RESOLUTION.width = 960;
this.player.tech_.hls.playlists.master.playlists[2].attributes.RESOLUTION.height = 540;
this.player.tech_.hls.playlists.master.playlists[3].attributes.BANDWIDTH = 728;
this.player.tech_.hls.bandwidth = 1000;
playlist = this.player.tech_.hls.selectPlaylist();
assert.strictEqual(playlist,
this.player.tech_.hls.playlists.master.playlists[0],
'the primary rendition is selected');
});
QUnit.test('allows initial bandwidth to be provided', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 500;
this.requests[0].bandwidth = 1;
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-PLAYLIST-TYPE:VOD\n' +
'#EXT-X-TARGETDURATION:10\n');
assert.equal(this.player.tech_.hls.bandwidth,
500,
'prefers user-specified initial bandwidth');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 500, 'bandwidth set above');
});
QUnit.test('raises the minimum bitrate for a stream proportionially', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
// the default playlist's bandwidth + 10% is assert.equal to the current bandwidth
this.player.tech_.hls.playlists.master.playlists[0].attributes.BANDWIDTH = 10;
this.player.tech_.hls.bandwidth = 11;
// 9.9 * 1.1 < 11
this.player.tech_.hls.playlists.master.playlists[1].attributes.BANDWIDTH = 9.9;
playlist = this.player.tech_.hls.selectPlaylist();
assert.strictEqual(playlist,
this.player.tech_.hls.playlists.master.playlists[1],
'a lower bitrate stream is selected');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 11, 'bandwidth set above');
});
QUnit.test('uses the lowest bitrate if no other is suitable', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
// the lowest bitrate playlist is much greater than 1b/s
this.player.tech_.hls.bandwidth = 1;
playlist = this.player.tech_.hls.selectPlaylist();
// playlist 1 has the lowest advertised bitrate
assert.strictEqual(playlist,
this.player.tech_.hls.playlists.master.playlists[1],
'the lowest bitrate stream is selected');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1, 'bandwidth set above');
});
QUnit.test('selects the correct rendition by tech dimensions', function(assert) {
let playlist;
let hls;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
hls = this.player.tech_.hls;
this.player.width(640);
this.player.height(360);
hls.bandwidth = 3000000;
playlist = hls.selectPlaylist();
assert.deepEqual(playlist.attributes.RESOLUTION,
{width: 960, height: 540},
'should return the correct resolution by tech dimensions');
assert.equal(playlist.attributes.BANDWIDTH,
1928000,
'should have the expected bandwidth in case of multiple');
this.player.width(1920);
this.player.height(1080);
hls.bandwidth = 3000000;
playlist = hls.selectPlaylist();
assert.deepEqual(playlist.attributes.RESOLUTION,
{width: 960, height: 540},
'should return the correct resolution by tech dimensions');
assert.equal(playlist.attributes.BANDWIDTH,
1928000,
'should have the expected bandwidth in case of multiple');
this.player.width(396);
this.player.height(224);
playlist = hls.selectPlaylist();
assert.deepEqual(playlist.attributes.RESOLUTION,
{width: 396, height: 224},
'should return the correct resolution by ' +
'tech dimensions, if exact match');
assert.equal(playlist.attributes.BANDWIDTH,
440000,
'should have the expected bandwidth in case of multiple, if exact match');
this.player.width(395);
this.player.height(222);
playlist = this.player.tech_.hls.selectPlaylist();
assert.deepEqual(playlist.attributes.RESOLUTION,
{width: 396, height: 224},
'should return the next larger resolution by tech dimensions, ' +
'if no exact match exists');
assert.equal(playlist.attributes.BANDWIDTH,
440000,
'should have the expected bandwidth in case of multiple, if exact match');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 3000000, 'bandwidth set above');
});
QUnit.test('selects the highest bitrate playlist when the player dimensions are ' +
'larger than any of the variants', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
// master
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1000,RESOLUTION=2x1\n' +
'media.m3u8\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1,RESOLUTION=1x1\n' +
'media1.m3u8\n');
// media
this.standardXHRResponse(this.requests.shift());
this.player.tech_.hls.bandwidth = 1e10;
this.player.width(1024);
this.player.height(768);
playlist = this.player.tech_.hls.selectPlaylist();
assert.equal(playlist.attributes.BANDWIDTH,
1000,
'selected the highest bandwidth variant');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1e10, 'bandwidth set above');
});
QUnit.test('filters playlists that are currently excluded', function(assert) {
let playlist;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 1e10;
// master
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1000\n' +
'media.m3u8\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
'media1.m3u8\n');
// media
this.standardXHRResponse(this.requests.shift());
// exclude the current playlist
this.player.tech_.hls.playlists.master.playlists[0].excludeUntil = +new Date() + 1000;
playlist = this.player.tech_.hls.selectPlaylist();
assert.equal(playlist,
this.player.tech_.hls.playlists.master.playlists[1],
'respected exclusions');
// timeout the exclusion
this.clock.tick(1000);
playlist = this.player.tech_.hls.selectPlaylist();
assert.equal(playlist,
this.player.tech_.hls.playlists.master.playlists[0],
'expired the exclusion');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1e10, 'bandwidth set above');
});
QUnit.test('does not blacklist compatible H.264 codec strings', function(assert) {
let master;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 1;
// master
this.requests.shift()
.respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1,CODECS="avc1.4d400d,mp4a.40.5"\n' +
'media.m3u8\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=10,CODECS="avc1.4d400f,mp4a.40.5"\n' +
'media1.m3u8\n');
// media
this.standardXHRResponse(this.requests.shift());
master = this.player.tech_.hls.playlists.master;
assert.strictEqual(typeof master.playlists[0].excludeUntil,
'undefined',
'did not blacklist');
assert.strictEqual(typeof master.playlists[1].excludeUntil,
'undefined',
'did not blacklist');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1, 'bandwidth set above');
});
QUnit.test('does not blacklist compatible AAC codec strings', function(assert) {
let master;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 1;
// master
this.requests.shift()
.respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1,CODECS="avc1.4d400d,mp4a.40.2"\n' +
'media.m3u8\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=10,CODECS="avc1.4d400d,not-an-audio-codec"\n' +
'media1.m3u8\n');
// media
this.standardXHRResponse(this.requests.shift());
master = this.player.tech_.hls.playlists.master;
assert.strictEqual(typeof master.playlists[0].excludeUntil,
'undefined',
'did not blacklist mp4a.40.2');
assert.strictEqual(master.playlists[1].excludeUntil,
Infinity,
'blacklisted invalid audio codec');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1, 'bandwidth set above');
});
QUnit.test('cancels outstanding XHRs when seeking', function(assert) {
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
this.player.tech_.hls.media = {
segments: [{
uri: '0.ts',
duration: 10
}, {
uri: '1.ts',
duration: 10
}]
};
// attempt to seek while the download is in progress
this.player.currentTime(7);
this.clock.tick(2);
assert.ok(this.requests[1].aborted, 'XHR aborted');
assert.strictEqual(this.requests.length, 3, 'opened new XHR');
});
QUnit.test('does not abort segment loading for in-buffer seeking', function(assert) {
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests.shift());
this.player.tech_.buffered = function() {
return videojs.createTimeRange(0, 20);
};
this.player.tech_.setCurrentTime(11);
this.clock.tick(1);
assert.equal(this.requests.length, 1, 'did not abort the outstanding request');
});
QUnit.test('segment 404 should trigger blacklisting of media', function(assert) {
let media;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.hls.bandwidth = 20000;
// master
this.standardXHRResponse(this.requests[0]);
// media
this.standardXHRResponse(this.requests[1]);
media = this.player.tech_.hls.playlists.media_;
// segment
this.requests[2].respond(400);
assert.ok(media.excludeUntil > 0, 'original media blacklisted for some time');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 20000, 'bandwidth set above');
});
QUnit.test('playlist 404 should blacklist media', function(assert) {
let media;
let url;
let blacklistplaylist = 0;
let retryplaylist = 0;
let hlsRenditionBlacklistedEvents = 0;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.player.tech_.on('blacklistplaylist', () => blacklistplaylist++);
this.player.tech_.on('retryplaylist', () => retryplaylist++);
this.player.tech_.on('usage', (event) => {
if (event.name === 'hls-rendition-blacklisted') {
hlsRenditionBlacklistedEvents++;
}
});
this.player.tech_.hls.bandwidth = 1e10;
// master
this.requests[0].respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1000\n' +
'media.m3u8\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
'media1.m3u8\n');
assert.equal(typeof this.player.tech_.hls.playlists.media_,
'undefined',
'no media is initially set');
assert.equal(blacklistplaylist, 0, 'there is no blacklisted playlist');
assert.equal(hlsRenditionBlacklistedEvents, 0, 'no hls-rendition-blacklisted event was fired');
// media
this.requests[1].respond(404);
url = this.requests[1].url.slice(this.requests[1].url.lastIndexOf('/') + 1);
media = this.player.tech_.hls.playlists.master.playlists[url];
assert.ok(media.excludeUntil > 0, 'original media blacklisted for some time');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
assert.equal(this.env.log.warn.args[0],
'Problem encountered with the current HLS playlist. HLS playlist request error at URL: media.m3u8 Switching to another playlist.',
'log generic error message');
assert.equal(blacklistplaylist, 1, 'there is one blacklisted playlist');
assert.equal(hlsRenditionBlacklistedEvents, 1, 'an hls-rendition-blacklisted event was fired');
assert.equal(retryplaylist, 0, 'haven\'t retried any playlist');
// request for the final available media
this.requests[2].respond(404);
url = this.requests[2].url.slice(this.requests[2].url.lastIndexOf('/') + 1);
media = this.player.tech_.hls.playlists.master.playlists[url];
// media wasn't blacklisted because it's final rendition
assert.ok(!media.excludeUntil, 'media not blacklisted after playlist 404');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
assert.equal(this.env.log.warn.args[1],
'Problem encountered with the current HLS playlist. Trying again since it is the final playlist.',
'log specific error message for final playlist');
assert.equal(retryplaylist, 1, 'retried final playlist for once');
assert.equal(blacklistplaylist, 1, 'there is one blacklisted playlist');
assert.equal(hlsRenditionBlacklistedEvents, 1, 'an hls-rendition-blacklisted event was fired');
this.clock.tick(2 * 1000);
// no new request was made since it hasn't been half the segment duration
assert.strictEqual(3, this.requests.length, 'no new request was made');
this.clock.tick(3 * 1000);
// continue loading the final remaining playlist after it wasn't blacklisted
// when half the segment duaration passed
assert.strictEqual(4, this.requests.length, 'one more request was made');
assert.strictEqual(this.requests[3].url,
absoluteUrl('manifest/media1.m3u8'),
'media playlist requested');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 1e10, 'bandwidth set above');
});
QUnit.test('blacklists playlist if it has stopped being updated', function(assert) {
let playliststuck = 0;
this.player.src({
src: 'master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
this.player.tech_.triggerReady();
this.standardXHRResponse(this.requests.shift());
this.player.tech_.hls.masterPlaylistController_.seekable = function() {
return videojs.createTimeRange(90, 130);
};
this.player.tech_.setCurrentTime(170);
this.player.tech_.buffered = function() {
return videojs.createTimeRange(0, 170);
};
Hls.Playlist.playlistEnd = function() {
return 170;
};
this.player.tech_.on('playliststuck', () => playliststuck++);
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-MEDIA-SEQUENCE:16\n' +
'#EXTINF:10,\n' +
'16.ts\n');
assert.ok(!this.player.tech_.hls.playlists.media().excludeUntil, 'playlist was not blacklisted');
assert.equal(this.env.log.warn.calls, 0, 'no warning logged for blacklist');
assert.equal(playliststuck, 0, 'there is no stuck playlist');
this.player.tech_.trigger('play');
this.player.tech_.trigger('playing');
// trigger a refresh
this.clock.tick(10 * 1000);
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXT-X-MEDIA-SEQUENCE:16\n' +
'#EXTINF:10,\n' +
'16.ts\n');
assert.ok(this.player.tech_.hls.playlists.media().excludeUntil > 0, 'playlist blacklisted for some time');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
assert.equal(this.env.log.warn.args[0],
'Problem encountered with the current HLS playlist. Playlist no longer updating. Switching to another playlist.',
'log specific error message for not updated playlist');
assert.equal(playliststuck, 1, 'there is one stuck playlist');
});
QUnit.test('never blacklist the playlist if it is the only playlist', function(assert) {
let media;
this.player.src({
src: 'manifest/media.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
this.requests.shift().respond(200, null,
'#EXTM3U\n' +
'#EXTINF:10,\n' +
'0.ts\n');
this.clock.tick(10 * 1000);
this.requests.shift().respond(404);
media = this.player.tech_.hls.playlists.media();
// media wasn't blacklisted because it's final rendition
assert.ok(!media.excludeUntil, 'media was not blacklisted after playlist 404');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
assert.equal(this.env.log.warn.args[0],
'Problem encountered with the current HLS playlist. Trying again since it is the final playlist.',
'log specific error message for final playlist');
});
QUnit.test('error on the first playlist request does not trigger an error ' +
'when there is master playlist with only one media playlist', function(assert) {
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
openMediaSource(this.player, this.clock);
this.requests[0]
.respond(200, null,
'#EXTM3U\n' +
'#EXT-X-STREAM-INF:BANDWIDTH=1000\n' +
'media.m3u8\n');
this.requests[1].respond(404);
let url = this.requests[1].url.slice(this.requests[1].url.lastIndexOf('/') + 1);
let media = this.player.tech_.hls.playlists.master.playlists[url];
// media wasn't blacklisted because it's final rendition
assert.ok(!media.excludeUntil, 'media was not blacklisted after playlist 404');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
assert.equal(this.env.log.warn.args[0],
'Problem encountered with the current HLS playlist. Trying again since it is the final playlist.',
'log specific error message for final playlist');
});
QUnit.test('seeking in an empty playlist is a non-erroring noop', function(assert) {
let requestsLength;
this.player.src({
src: 'manifest/empty-live.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.requests.shift().respond(200, null, '#EXTM3U\n');
requestsLength = this.requests.length;
this.player.tech_.setCurrentTime(183);
this.clock.tick(1);
assert.equal(this.requests.length, requestsLength, 'made no additional requests');
});
QUnit.test('fire loadedmetadata once we successfully load a playlist', function(assert) {
let count = 0;
this.player.src({
src: 'manifest/master.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
let hls = this.player.tech_.hls;
hls.bandwidth = 20000;
hls.masterPlaylistController_.masterPlaylistLoader_.on('loadedmetadata', function() {
count += 1;
});
// master
this.standardXHRResponse(this.requests.shift());
assert.equal(count, 0,
'loadedMedia not triggered before requesting playlist');
// media
this.requests.shift().respond(404);
assert.equal(count, 0,
'loadedMedia not triggered after playlist 404');
assert.equal(this.env.log.warn.calls, 1, 'warning logged for blacklist');
// media
this.standardXHRResponse(this.requests.shift());
assert.equal(count, 1,
'loadedMedia triggered after successful recovery from 404');
// verify stats
assert.equal(this.player.tech_.hls.stats.bandwidth, 20000, 'bandwidth set above');
});
QUnit.test('sets seekable and duration for live playlists', function(assert) {
this.player.src({
src: 'http://example.com/manifest/missingEndlist.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
assert.equal(this.player.tech_.hls.mediaSource.seekable.length,
1,
'set one seekable range');
assert.equal(this.player.tech_.hls.mediaSource.seekable.start(0),
this.player.tech_.hls.seekable().start(0),
'set seekable start');
assert.equal(this.player.tech_.hls.mediaSource.seekable.end(0),
this.player.tech_.hls.seekable().end(0),
'set seekable end');
assert.strictEqual(this.player.tech_.hls.mediaSource.duration,
Infinity,
'duration on the mediaSource is infinity');
});
QUnit.test('live playlist starts with correct currentTime value', function(assert) {
this.player.src({
src: 'http://example.com/manifest/liveStart30sBefore.m3u8',
type: 'application/vnd.apple.mpegurl'
});
this.clock.tick(1);
openMediaSource(this.player, this.clock);
this.standardXHRResponse(this.requests[0]);
this.player.tech_.hls.playlists.trigger('loadedmetadata');
this.player.tech_.paused = function() {
return false;
};
this.player.tech_.trigger('play');
this.clock.tick(1);
let media = this.player.tech_.hls.playlists.media();
assert.strictEqual(this.player.currentTime(),
Hls.Playlist.seekable(media).end(0),
'currentTime is updated at playback');