import chai from 'chai'; import sinonChai from 'sinon-chai'; import { LoadStats } from '../../../src/loader/load-stats'; import M3U8Parser from '../../../src/loader/m3u8-parser'; import { PlaylistLevelType } from '../../../src/types/loader'; import { AttrList } from '../../../src/utils/attr-list'; import { arrayToHex } from '../../../src/utils/hex'; import { KeySystemFormats } from '../../../src/utils/mediakeys-helper'; import type { Fragment, Part } from '../../../src/loader/fragment'; import type { LevelKey } from '../../../src/loader/level-key'; chai.use(sinonChai); chai.config.truncateThreshold = 0; const expect = chai.expect; describe('M3U8Parser', function () { it('parses empty manifest returns empty array', function () { const result = M3U8Parser.parseMasterPlaylist( '', 'http://www.dailymotion.com', ); expect(result.levels).to.deep.equal([]); expect(result.sessionData).to.equal(null); expectPlaylistParsingError(result, 'no EXTM3U delimiter'); }); it('manifest with broken syntax returns empty array', function () { const manifest = `#EXTM3U#EXTXSTREAMINF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.levels).to.deep.equal([]); expect(result.sessionData).to.equal(null); expectPlaylistParsingError(result, 'no levels found in manifest'); }); it('parses manifest with one level', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels).to.have.lengthOf(1); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[0].audioCodec).to.equal('mp4a.40.2'); expect(result.levels[0].videoCodec).to.equal('avc1.64001f'); expect(result.levels[0].width).to.equal(848); expect(result.levels[0].height).to.equal(360); expect(result.levels[0].name).to.equal('480'); expect(result.levels[0].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); expect(result.sessionData).to.equal(null); }); it('parses manifest containing comment', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" # some comment http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels).to.have.lengthOf(1); expect(result.levels[0].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); }); it('parses manifest without codecs', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels.length).to.equal(1); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[0].audioCodec).to.not.exist; expect(result.levels[0].videoCodec).to.not.exist; expect(result.levels[0].width).to.equal(848); expect(result.levels[0].height).to.equal(360); expect(result.levels[0].name).to.equal('480'); expect(result.levels[0].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); expect(result.sessionData).to.equal(null); }); it('does not care about the attribute order', function () { let manifest = `#EXTM3U #EXT-X-STREAM-INF:NAME="480",PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360 http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; let result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels.length).to.equal(1); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[0].audioCodec).to.equal('mp4a.40.2'); expect(result.levels[0].videoCodec).to.equal('avc1.64001f'); expect(result.levels[0].width).to.equal(848); expect(result.levels[0].height).to.equal(360); expect(result.levels[0].name).to.equal('480'); expect( result.levels[0].url, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); expect(result.sessionData).to.equal(null); manifest = `#EXTM3U #EXT-X-STREAM-INF:NAME="480",RESOLUTION=848x360,PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels.length).to.equal(1); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[0].audioCodec).to.equal('mp4a.40.2'); expect(result.levels[0].videoCodec).to.equal('avc1.64001f'); expect(result.levels[0].width).to.equal(848); expect(result.levels[0].height).to.equal(360); expect(result.levels[0].name).to.equal('480'); expect(result.levels[0].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); expect(result.sessionData).to.equal(null); manifest = `#EXTM3U #EXT-X-STREAM-INF:CODECS="mp4a.40.2,avc1.64001f",NAME="480",RESOLUTION=848x360,PROGRAM-ID=1,BANDWIDTH=836280 http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels).to.have.lengthOf(1); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[0].audioCodec).to.equal('mp4a.40.2'); expect(result.levels[0].videoCodec).to.equal('avc1.64001f'); expect(result.levels[0].width).to.equal(848); expect(result.levels[0].height).to.equal(360); expect(result.levels[0].name).to.equal('480'); expect(result.levels[0].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', ); expect(result.sessionData).to.equal(null); }); it('parses manifest with 10 levels', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-21.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,CODECS="mp4a.40.5,avc1.42000d",RESOLUTION=320x136,NAME="240" http://proxy-62.dailymotion.com/sec(65b989b17536b5158360dfc008542daa)/video/107/282/158282701_mp4_h264_aac_ld.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,CODECS="mp4a.40.5,avc1.42000d",RESOLUTION=320x136,NAME="240" http://proxy-21.dailymotion.com/sec(65b989b17536b5158360dfc008542daa)/video/107/282/158282701_mp4_h264_aac_ld.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,CODECS="mp4a.40.5,avc1.420016",RESOLUTION=512x216,NAME="380" http://proxy-62.dailymotion.com/sec(b90a363ba42fd9eab9313f0cd2e4d38b)/video/107/282/158282701_mp4_h264_aac.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,CODECS="mp4a.40.5,avc1.420016",RESOLUTION=512x216,NAME="380" http://proxy-21.dailymotion.com/sec(b90a363ba42fd9eab9313f0cd2e4d38b)/video/107/282/158282701_mp4_h264_aac.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2149280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=1280x544,NAME="720" http://proxy-62.dailymotion.com/sec(c16ad76fb8641c41d759e20880043e47)/video/107/282/158282701_mp4_h264_aac_hd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2149280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=1280x544,NAME="720" http://proxy-21.dailymotion.com/sec(c16ad76fb8641c41d759e20880043e47)/video/107/282/158282701_mp4_h264_aac_hd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6221600,CODECS="mp4a.40.2,avc1.640028",RESOLUTION=1920x816,NAME="1080" http://proxy-62.dailymotion.com/sec(2a991e17f08fcd94f95637a6dd718ddd)/video/107/282/158282701_mp4_h264_aac_fhd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6221600,CODECS="mp4a.40.2,avc1.640028",RESOLUTION=1920x816,NAME="1080" http://proxy-21.dailymotion.com/sec(2a991e17f08fcd94f95637a6dd718ddd)/video/107/282/158282701_mp4_h264_aac_fhd.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; expect(result.levels.length).to.equal(10); expect(result.levels[0].bitrate).to.equal(836280); expect(result.levels[1].bitrate).to.equal(836280); expect(result.levels[2].bitrate).to.equal(246440); expect(result.levels[3].bitrate).to.equal(246440); expect(result.levels[4].bitrate).to.equal(460560); expect(result.levels[5].bitrate).to.equal(460560); expect(result.levels[6].bitrate).to.equal(2149280); expect(result.levels[7].bitrate).to.equal(2149280); expect(result.levels[8].bitrate).to.equal(6221600); expect(result.levels[9].bitrate).to.equal(6221600); expect(result.sessionData).to.equal(null); }); it('parses manifest with EXT-X-SESSION-DATA', function () { const manifest = `#EXTM3U #EXT-X-SESSION-DATA:DATA-ID="com.dailymotion.sessiondata.test",VALUE="some data" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; const expected = { 'com.dailymotion.sessiondata.test': new AttrList({ 'DATA-ID': 'com.dailymotion.sessiondata.test', VALUE: 'some data', }), }; expect(result.sessionData).to.deep.equal(expected); expect(result.levels.length).to.equal(1); }); it('parses manifest with EXT-X-SESSION-DATA and 10 levels', function () { const manifest = `#EXTM3U #EXT-X-SESSION-DATA:DATA-ID="com.dailymotion.sessiondata.test",VALUE="some data" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-21.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,CODECS="mp4a.40.5,avc1.42000d",RESOLUTION=320x136,NAME="240" http://proxy-62.dailymotion.com/sec(65b989b17536b5158360dfc008542daa)/video/107/282/158282701_mp4_h264_aac_ld.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,CODECS="mp4a.40.5,avc1.42000d",RESOLUTION=320x136,NAME="240" http://proxy-21.dailymotion.com/sec(65b989b17536b5158360dfc008542daa)/video/107/282/158282701_mp4_h264_aac_ld.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,CODECS="mp4a.40.5,avc1.420016",RESOLUTION=512x216,NAME="380" http://proxy-62.dailymotion.com/sec(b90a363ba42fd9eab9313f0cd2e4d38b)/video/107/282/158282701_mp4_h264_aac.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,CODECS="mp4a.40.5,avc1.420016",RESOLUTION=512x216,NAME="380" http://proxy-21.dailymotion.com/sec(b90a363ba42fd9eab9313f0cd2e4d38b)/video/107/282/158282701_mp4_h264_aac.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2149280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=1280x544,NAME="720" http://proxy-62.dailymotion.com/sec(c16ad76fb8641c41d759e20880043e47)/video/107/282/158282701_mp4_h264_aac_hd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2149280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=1280x544,NAME="720" http://proxy-21.dailymotion.com/sec(c16ad76fb8641c41d759e20880043e47)/video/107/282/158282701_mp4_h264_aac_hd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6221600,CODECS="mp4a.40.2,avc1.640028",RESOLUTION=1920x816,NAME="1080" http://proxy-62.dailymotion.com/sec(2a991e17f08fcd94f95637a6dd718ddd)/video/107/282/158282701_mp4_h264_aac_fhd.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6221600,CODECS="mp4a.40.2,avc1.640028",RESOLUTION=1920x816,NAME="1080" http://proxy-21.dailymotion.com/sec(2a991e17f08fcd94f95637a6dd718ddd)/video/107/282/158282701_mp4_h264_aac_fhd.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; const expected = { 'com.dailymotion.sessiondata.test': new AttrList({ 'DATA-ID': 'com.dailymotion.sessiondata.test', VALUE: 'some data', }), }; expect(result.sessionData).to.deep.equal(expected); expect(result.levels.length).to.equal(10); }); it('parses CODECS and SUPPLEMENTAL-CODECS', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:BANDWIDTH=3000000,VIDEO-RANGE=PQ,CODECS="hvc1.2.4.L93.b0,ec-3",SUPPLEMENTAL-CODECS="dvh1.08.01/db1p",RESOLUTION=1920x1080,FRAME-RATE=30.000 db1p.m3u8 #EXT-X-STREAM-INF:BANDWIDTH=3602443,VIDEO-RANGE=HLG,CODECS="hvc1.2.4.L150,ec-3",SUPPLEMENTAL-CODECS="dvh1.08.07/db4h",RESOLUTION=1920x1080,FRAME-RATE=30.000 db4h.m3u8 #EXT-X-STREAM-INF:BANDWIDTH=3000000,VIDEO-RANGE=HLG,CODECS="av01.0.13M.10.0.112,ec-3",SUPPLEMENTAL-CODECS="dav1.10.09/db4h",RESOLUTION=1920x1080,FRAME-RATE=30.000 dav1.m3u8 #EXT-X-STREAM-INF:BANDWIDTH=3602443,VIDEO-RANGE=PQ,CODECS="av01.0.05M.10.0.112,ec-3",SUPPLEMENTAL-CODECS="av01.0.05M.10.0.112/cdm4",RESOLUTION=1920x1080,FRAME-RATE=30.000 cdm4.m3u8`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://example.com', ); expect(result, JSON.stringify(result, null, 2)).to.deep.include({ contentSteering: null, playlistParsingError: null, sessionData: null, sessionKeys: null, startTimeOffset: null, variableList: null, hasVariableRefs: false, }); expect(result.levels).to.be.an('array').with.lengthOf(4); // Note that while brand ("db1p", "db4h", "cdm4") is not available in `Level.supplemental` is is available on parsed attributes: expect(result.levels[0].attrs).to.deep.include({ 'SUPPLEMENTAL-CODECS': 'dvh1.08.01/db1p', }); expect(result.levels[1].attrs).to.deep.include({ 'SUPPLEMENTAL-CODECS': 'dvh1.08.07/db4h', }); expect(result.levels[2].attrs).to.deep.include({ 'SUPPLEMENTAL-CODECS': 'dav1.10.09/db4h', }); expect(result.levels[3].attrs).to.deep.include({ 'SUPPLEMENTAL-CODECS': 'av01.0.05M.10.0.112/cdm4', }); const levelsExpectedToInclude = [ { bitrate: 3000000, url: 'http://example.com/db1p.m3u8', width: 1920, height: 1080, videoCodec: 'hvc1.2.4.L93.b0', audioCodec: 'ec-3', unknownCodecs: [], supplemental: { videoCodec: 'dvh1.08.01', unknownCodecs: [], }, }, { bitrate: 3602443, url: 'http://example.com/db4h.m3u8', width: 1920, height: 1080, videoCodec: 'hvc1.2.4.L150', audioCodec: 'ec-3', unknownCodecs: [], supplemental: { videoCodec: 'dvh1.08.07', unknownCodecs: [], }, }, { bitrate: 3000000, url: 'http://example.com/dav1.m3u8', width: 1920, height: 1080, videoCodec: 'av01.0.13M.10.0.112', audioCodec: 'ec-3', unknownCodecs: [], supplemental: { videoCodec: 'dav1.10.09', unknownCodecs: [], }, }, { bitrate: 3602443, url: 'http://example.com/cdm4.m3u8', width: 1920, height: 1080, videoCodec: 'av01.0.05M.10.0.112', audioCodec: 'ec-3', unknownCodecs: [], supplemental: { videoCodec: 'av01.0.05M.10.0.112', unknownCodecs: [], }, }, ]; result.levels.forEach((level, i) => { expect(level, `level ${i + 1}/${result.levels.length}`).to.deep.include( levelsExpectedToInclude[i], ); }); }); it('parses manifest with multiple EXT-X-SESSION-DATA', function () { const manifest = `#EXTM3U #EXT-X-SESSION-DATA:DATA-ID="com.dailymotion.sessiondata.test",VALUE="some data" #EXT-X-SESSION-DATA:DATA-ID="com.dailymotion.sessiondata.test2",VALUE="different data" #EXT-X-SESSION-DATA:DATA-ID="com.dailymotion.sessiondata.test3",VALUE="more different data",URI="http://www.dailymotion.com/" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.dailymotion.com', ); expect(result.playlistParsingError).to.be.null; const { sessionData } = result; const expected = { 'com.dailymotion.sessiondata.test': new AttrList({ 'DATA-ID': 'com.dailymotion.sessiondata.test', VALUE: 'some data', }), 'com.dailymotion.sessiondata.test2': new AttrList({ 'DATA-ID': 'com.dailymotion.sessiondata.test2', VALUE: 'different data', }), 'com.dailymotion.sessiondata.test3': new AttrList({ 'DATA-ID': 'com.dailymotion.sessiondata.test3', VALUE: 'more different data', URI: 'http://www.dailymotion.com/', }), }; expect(sessionData).to.deep.equal(expected); }); it('parses empty levels returns empty fragment array', function () { const level = ''; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.fragments).to.have.lengthOf(0); expect(result.totalduration).to.equal(0); expect(result.variableList).to.equal(null); expectPlaylistParsingError(result, 'Missing format identifier #EXTM3U'); }); it('level with 0 frag returns empty fragment array', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:14`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(0); expect(result.totalduration).to.equal(0); }); it('TARGETDURATION is a decimal-integer', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:2.5`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.targetduration).to.equal(2); }); it('TARGETDURATION is a decimal-integer which HLS.js assigns a minimum value of 1', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:0.5`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.targetduration).to.equal(1); }); it('parse level with several fragments', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:14 #EXTINF:11.360, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(1)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF: 11.320, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(2)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF: 13.480, # general comment /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(3)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:11.200, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(4)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:3.880, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.variableList).to.equal(null); expect(result.totalduration).to.equal(51.24); expect(result.startSN).to.equal(0); expect(result.version).to.equal(3); expect(result.type).to.equal('VOD'); expect(result.targetduration).to.equal(14); expect(result.live).to.be.false; expect(result.fragments).to.have.lengthOf(5); expect(result.fragments[0].cc).to.equal(0); expect(result.fragments[0].duration).to.equal(11.36); expect(result.fragments[1].duration).to.equal(11.32); expect(result.fragments[2].duration).to.equal(13.48); expect(result.fragments[4].sn).to.equal(4); expect(result.fragments[0].level).to.equal(0); expect(result.fragments[4].cc).to.equal(0); expect(result.fragments[4].sn).to.equal(4); expect(result.fragments[4].start).to.equal(47.36); expect(result.fragments[4].duration).to.equal(3.88); expect(result.fragments[4].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.ts', ); }); it('parse level with single char fragment URI', function () { const level = `#EXTM3U #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:2 #EXTINF:2, 0 #EXTINF:2, 1 #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(4); expect(result.startSN).to.equal(0); expect(result.targetduration).to.equal(2); expect(result.live).to.be.false; expect(result.fragments).to.have.lengthOf(2); expect(result.fragments[0].cc).to.equal(0); expect(result.fragments[0].duration).to.equal(2); expect(result.fragments[0].sn).to.equal(0); expect(result.fragments[0].relurl).to.equal('0'); expect(result.fragments[1].cc).to.equal(0); expect(result.fragments[1].duration).to.equal(2); expect(result.fragments[1].sn).to.equal(1); expect(result.fragments[1].relurl).to.equal('1'); }); it('parse level with unicode white-space in fragment URI', function () { const uriWithIrregularWs0 = 'sample-mp4-file\u3000_240p_00000.ts'; const uriWithIrregularWs1 = 'sample-mp4-file\u3000_another\u3000_00001.ts'; const level = `#EXTM3U #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:2 #EXTINF:2, ${uriWithIrregularWs0} #EXTINF:2, ${uriWithIrregularWs1} #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(2); expect(result.fragments[0].relurl).to.equal(uriWithIrregularWs0); expect(result.fragments[1].relurl).to.equal(uriWithIrregularWs1); }); it('parse level with EXTINF line without comma', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-TARGETDURATION:6 #EXT-X-INDEPENDENT-SEGMENTS #EXTINF:6.000000 chop/segment-1.ts #EXTINF:6.000000 chop/segment-2.ts #EXTINF:6.000000 chop/segment-3.ts #EXTINF:6.000000 chop/segment-4.ts #EXTINF:6.000000 chop/segment-5.ts #EXTINF:6.000000 #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(30); expect(result.startSN).to.equal(0); expect(result.version).to.equal(3); expect(result.targetduration).to.equal(6); expect(result.live).to.be.false; expect(result.fragments).to.have.lengthOf(5); expect(result.fragments[0].cc).to.equal(0); expect(result.fragments[0].duration).to.equal(6); expect(result.fragments[4].sn).to.equal(4); expect(result.fragments[0].level).to.equal(0); expect(result.fragments[4].cc).to.equal(0); expect(result.fragments[4].sn).to.equal(4); expect(result.fragments[4].start).to.equal(24); expect(result.fragments[4].duration).to.equal(6); expect(result.fragments[4].url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/chop/segment-5.ts', ); }); it('parse level with start time offset', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:14 #EXT-X-START:TIME-OFFSET=10.3 #EXTINF:11.360, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(1)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:11.320, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(2)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:13.480, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(3)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:11.200, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(4)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXTINF:3.880, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(5)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(51.24); expect(result.startSN).to.equal(0); expect(result.targetduration).to.equal(14); expect(result.live).to.be.false; expect(result.startTimeOffset).to.equal(10.3); }); it('parse AES encrypted URLS, with a com.apple.streamingkeydelivery KEYFORMAT', function () { const level = `#EXTM3U #EXT-X-VERSION:1 ## Created with Unified Streaming Platform(version=1.6.7) #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:11 #EXT-X-KEY:METHOD=AES-128,URI="skd://assetid?keyId=1234",KEYFORMAT="com.apple.streamingkeydelivery" #EXTINF:11,no desc oceans_aes-audio=65000-video=236000-1.ts #EXTINF:7,no desc oceans_aes-audio=65000-video=236000-2.ts #EXTINF:7,no desc oceans_aes-audio=65000-video=236000-3.ts #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/adaptive/oceans_aes/oceans_aes.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(25); expect(result.startSN).to.equal(1); expect(result.targetduration).to.equal(11); expect(result.live).to.be.false; expect(result.fragments).to.have.lengthOf(3); expect(result.fragments[0].cc).to.equal(0); expect(result.fragments[0].duration).to.equal(11); expect(result.fragments[0].title).to.equal('no desc'); expect(result.fragments[0].level).to.equal(0); expect(result.fragments[0].url).to.equal( 'http://foo.com/adaptive/oceans_aes/oceans_aes-audio=65000-video=236000-1.ts', ); expectWithJSONMessage( result.fragments[0].levelkeys?.['com.apple.streamingkeydelivery'], 'levelkeys', ).to.deep.include({ uri: 'skd://assetid?keyId=1234', method: 'AES-128', keyFormat: 'com.apple.streamingkeydelivery', keyFormatVersions: [1], iv: null, key: null, keyId: null, }); }); it('parse AES encrypted URLs, with implicit IV', function () { const level = `#EXTM3U #EXT-X-VERSION:1 ## Created with Unified Streaming Platform(version=1.6.7) #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:11 #EXT-X-KEY:METHOD=AES-128,URI="oceans.key" #EXTINF:11,no desc oceans_aes-audio=65000-video=236000-1.ts #EXTINF:7,no desc oceans_aes-audio=65000-video=236000-2.ts #EXTINF:7,no desc oceans_aes-audio=65000-video=236000-3.ts #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/adaptive/oceans_aes/oceans_aes.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(25); expect(result.startSN).to.equal(1); expect(result.targetduration).to.equal(11); expect(result.live).to.be.false; expect(result.fragments).to.have.lengthOf(3); expect(result.fragments[0].cc).to.equal(0); expect(result.fragments[0].duration).to.equal(11); expect(result.fragments[0].title).to.equal('no desc'); expect(result.fragments[0].level).to.equal(0); expect(result.fragments[0].url).to.equal( 'http://foo.com/adaptive/oceans_aes/oceans_aes-audio=65000-video=236000-1.ts', ); expect(result.fragments[0].decryptdata?.uri).to.equal( 'http://foo.com/adaptive/oceans_aes/oceans.key', ); expect(result.fragments[0].decryptdata?.method).to.equal('AES-128'); let sn = 1; let uint8View = new Uint8Array(16); for (let i = 12; i < 16; i++) { uint8View[i] = (sn >> (8 * (15 - i))) & 0xff; } expect(result.fragments[0].decryptdata?.iv?.buffer).to.deep.equal( uint8View.buffer, ); sn = 3; uint8View = new Uint8Array(16); for (let i = 12; i < 16; i++) { uint8View[i] = (sn >> (8 * (15 - i))) & 0xff; } expect(result.fragments[2].decryptdata?.iv?.buffer).to.deep.equal( uint8View.buffer, ); }); it('parse AES-256 and AES-256-CTR encrypted URLs, with explicit IV', function () { const level = `#EXTM3U #EXT-X-VERSION:1 ## Created with Unified Streaming Platform(version=1.6.7) #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:11 #EXT-X-KEY:METHOD=AES-256,URI="bob1.key256",IV=0x10000000000000000000000000001234 #EXTINF:11,no desc bob_1.m4s #EXT-X-KEY:METHOD=AES-256-CTR,URI="bob2.key256",IV=0x10000000000000000000000000004567 #EXTINF:11,no desc bob_2.m4s #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/stream/bob.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); const ivExpected = new Uint8Array(16); ivExpected[0] = 0x10; expect(result.playlistParsingError).to.be.null; expect(result.totalduration).to.equal(22); expect(result.startSN).to.equal(1); expect(result.targetduration).to.equal(11); expect(result.fragments).to.have.lengthOf(2); expect(result.fragments[0].duration).to.equal(11); expect(result.fragments[0].url).to.equal('http://foo.com/stream/bob_1.m4s'); expect(result.fragments[0].decryptdata?.uri).to.equal( 'http://foo.com/stream/bob1.key256', ); expect(result.fragments[0].decryptdata?.method).to.equal('AES-256'); ivExpected[14] = 0x12; ivExpected[15] = 0x34; expect(result.fragments[0].decryptdata?.iv).to.deep.equal(ivExpected); expect(result.fragments[1].duration).to.equal(11); expect(result.fragments[1].url).to.equal('http://foo.com/stream/bob_2.m4s'); expect(result.fragments[1].decryptdata?.uri).to.equal( 'http://foo.com/stream/bob2.key256', ); expect(result.fragments[1].decryptdata?.method).to.equal('AES-256-CTR'); ivExpected[14] = 0x45; ivExpected[15] = 0x67; expect(result.fragments[1].decryptdata?.iv).to.deep.equal(ivExpected); }); it('parse level with #EXT-X-BYTERANGE before #EXTINF', function () { const level = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-ALLOW-CACHE:YES #EXT-X-TARGETDURATION:1 #EXT-X-MEDIA-SEQUENCE:7478 #EXT-X-BYTERANGE:140060@803136 #EXTINF:1000000, lo007ts #EXT-X-BYTERANGE:96256@943196 #EXTINF:1000000, lo007ts #EXT-X-BYTERANGE:143068@1039452 #EXTINF:1000000, lo007ts #EXT-X-BYTERANGE:124080@0 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:117688@124080 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:102272@241768 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:100580@344040 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:113740@444620 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:126148@558360 #EXTINF:1000000, lo008ts #EXT-X-BYTERANGE:133480@684508 #EXTINF:1000000, lo008ts`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(10); expect(result.fragments[0].url).to.equal('http://dummy.com/lo007ts'); expect(result.fragments[0].byteRangeStartOffset).to.equal(803136); expect(result.fragments[0].byteRangeEndOffset).to.equal(943196); expect(result.fragments[1].byteRangeStartOffset).to.equal(943196); expect(result.fragments[1].byteRangeEndOffset).to.equal(1039452); expect(result.fragments[9].url).to.equal('http://dummy.com/lo008ts'); expect(result.fragments[9].byteRangeStartOffset).to.equal(684508); expect(result.fragments[9].byteRangeEndOffset).to.equal(817988); }); it('parse level with #EXT-X-BYTERANGE after #EXTINF', function () { const level = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-ALLOW-CACHE:YES #EXT-X-TARGETDURATION:1 #EXT-X-MEDIA-SEQUENCE:7478 #EXTINF:1000000, #EXT-X-BYTERANGE:140060@803136 lo007ts #EXTINF:1000000, #EXT-X-BYTERANGE:96256@943196 lo007ts #EXTINF:1000000, #EXT-X-BYTERANGE:143068@1039452 lo007ts #EXTINF:1000000, #EXT-X-BYTERANGE:124080@0 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:117688@124080 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:102272@241768 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:100580@344040 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:113740@444620 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:126148@558360 lo008ts #EXTINF:1000000, #EXT-X-BYTERANGE:133480@684508 lo008ts`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(10); expect(result.fragments[0].url).to.equal('http://dummy.com/lo007ts'); expect(result.fragments[0].byteRangeStartOffset).to.equal(803136); expect(result.fragments[0].byteRangeEndOffset).to.equal(943196); expect(result.fragments[1].byteRangeStartOffset).to.equal(943196); expect(result.fragments[1].byteRangeEndOffset).to.equal(1039452); expect(result.fragments[9].url).to.equal('http://dummy.com/lo008ts'); expect(result.fragments[9].byteRangeStartOffset).to.equal(684508); expect(result.fragments[9].byteRangeEndOffset).to.equal(817988); }); it('parse level with #EXT-X-BYTERANGE before #EXT-X-MAP tag', function () { const level = `#EXTM3U #EXT-X-ALLOW-CACHE:YES #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:4 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-BYTERANGE:10000@24000 #EXT-X-MAP:URI="initsegment.m4v",BYTERANGE="24000@0" #EXTINF:4.000, lo007.m4v #EXT-X-BYTERANGE:30000@34000 #EXTINF:4.000, lo007.m4v #EXT-X-BYTERANGE:40000@64000 #EXTINF:4.000, lo007.m4v #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(3); expect(result.fragments[0].initSegment?.url).to.equal( 'http://dummy.com/initsegment.m4v', ); expect(result.fragments[0].initSegment?.byteRangeStartOffset).to.equal(0); expect(result.fragments[0].initSegment?.byteRangeEndOffset).to.equal( 24000, 'init end', ); expect(result.fragments[0].url).to.equal('http://dummy.com/lo007.m4v'); expect(result.fragments[0].byteRangeStartOffset).to.equal(24000, '1 start'); expect(result.fragments[0].byteRangeEndOffset).to.equal(34000, '1 end'); expect(result.fragments[1].url).to.equal('http://dummy.com/lo007.m4v'); expect(result.fragments[1].byteRangeStartOffset).to.equal(34000, '2 start'); expect(result.fragments[1].byteRangeEndOffset).to.equal(64000, '2 end'); expect(result.fragments[2].url).to.equal('http://dummy.com/lo007.m4v'); expect(result.fragments[2].byteRangeStartOffset).to.equal(64000, '3 start'); expect(result.fragments[2].byteRangeEndOffset).to.equal(104000, '3 end'); }); it('parse level with #EXT-X-BYTERANGE without offset', function () { const level = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-ALLOW-CACHE:YES #EXT-X-TARGETDURATION:1 #EXT-X-MEDIA-SEQUENCE:7478 #EXTINF:1000000, #EXT-X-BYTERANGE:140060@803136 lo007ts #EXTINF:1000000, #EXT-X-BYTERANGE:96256 lo007ts #EXTINF:1000000, #EXT-X-BYTERANGE:143068 lo007ts`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(3); expect(result.fragments[0].url).to.equal('http://dummy.com/lo007ts'); expect(result.fragments[0].byteRangeStartOffset).to.equal(803136); expect(result.fragments[0].byteRangeEndOffset).to.equal(943196); expect(result.fragments[1].byteRangeStartOffset).to.equal(943196); expect(result.fragments[1].byteRangeEndOffset).to.equal(1039452); expect(result.fragments[2].byteRangeStartOffset).to.equal(1039452); expect(result.fragments[2].byteRangeEndOffset).to.equal(1182520); }); it('parses discontinuity and maintains continuity counter', function () { const level = `#EXTM3U #EXTM3U #EXT-X-VERSION:3 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:0 #EXTINF:10, 0001.ts #EXTINF:10, 0002.ts #EXTINF:5, 0003.ts #EXT-X-DISCONTINUITY #EXTINF:10, 0005.ts #EXTINF:10, 0006.ts #EXT-X-ENDLIST `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(5); expect(result.totalduration).to.equal(45); expect(result.fragments[2].cc).to.equal(0); expect(result.fragments[3].cc).to.equal(1); // continuity counter should increase around discontinuity }); it('parses correctly EXT-X-DISCONTINUITY-SEQUENCE and increases continuity counter', function () { const level = `#EXTM3U #EXTM3U #EXT-X-VERSION:3 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-DISCONTINUITY-SEQUENCE:20 #EXTINF:10, 0001.ts #EXTINF:10, 0002.ts #EXTINF:5, 0003.ts #EXT-X-DISCONTINUITY #EXTINF:10, 0005.ts #EXTINF:10, 0006.ts #EXT-X-ENDLIST `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(5); expect(result.totalduration).to.equal(45); expect(result.fragments[0].cc).to.equal(20); expect(result.fragments[2].cc).to.equal(20); expect(result.fragments[3].cc).to.equal(21); // continuity counter should increase around discontinuity }); it('parses manifest with one audio track', function () { const manifest = `#EXTM3U #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="600k",LANGUAGE="eng",NAME="Audio",AUTOSELECT=YES,DEFAULT=YES,URI="/videos/ZakEbrahim_2014/audio/600k.m3u8?qr=true&preroll=Blank",BANDWIDTH=614400`; const result = M3U8Parser.parseMasterPlaylistMedia( manifest, 'https://hls.ted.com/', { contentSteering: null, levels: [], playlistParsingError: null, sessionData: null, sessionKeys: null, startTimeOffset: null, variableList: null, hasVariableRefs: false, }, ); const { AUDIO = [] } = result; expect(AUDIO.length).to.equal(1); expect(AUDIO[0].autoselect).to.be.true; expect(AUDIO[0].default).to.be.true; expect(AUDIO[0].forced).to.be.false; expect(AUDIO[0].groupId).to.equal('600k'); expect(AUDIO[0].lang).to.equal('eng'); expect(AUDIO[0].name).to.equal('Audio'); expect(AUDIO[0].url).to.equal( 'https://hls.ted.com/videos/ZakEbrahim_2014/audio/600k.m3u8?qr=true&preroll=Blank', ); }); // issue #425 - first fragment has null url and no decryptdata if EXT-X-KEY follows EXTINF it('parse level with #EXT-X-KEY after #EXTINF', function () { const level = `#EXTM3U #EXT-X-TARGETDURATION:10 #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:10, #EXT-X-KEY:METHOD=AES-128,URI="https://dummy.com/crypt-0.key" 0001.ts #EXTINF:10, 0002.ts #EXTINF:10, 0003.ts #EXTINF:10, 0004.ts #EXTINF:10, 0005.ts #EXTINF:10, 0006.ts #EXTINF:10, 0007.ts #EXTINF:10, 0008.ts`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(8); expect(result.totalduration).to.equal(80); let fragdecryptdata; let decryptdata: LevelKey = result.fragments[0].decryptdata as LevelKey; let sn = 0; result.fragments.forEach(function (fragment, idx) { sn = idx + 1; expect(fragment.url).to.equal('http://dummy.com/000' + sn + '.ts'); // decryptdata should persist across all fragments fragdecryptdata = fragment.decryptdata; expect(decryptdata).to.not.equal(null); expect(fragdecryptdata.method).to.equal(decryptdata.method); expect(fragdecryptdata.uri).to.equal(decryptdata.uri); expect(fragdecryptdata.key).to.equal(decryptdata.key); // initialization vector is correctly generated since it wasn't declared in the playlist const iv = fragdecryptdata.iv; expect(iv[15]).to.equal(idx); // hold this decrypt data to compare to the next fragment's decrypt data decryptdata = fragment.decryptdata as LevelKey; }); }); // PR #454 - Add support for custom tags in fragment object it('return custom tags in fragment object', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:719926 #EXTINF:9.40, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719926.ts #EXTINF:9.56, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719927.ts #EXT-X-CUE-OUT:DURATION=150,BREAKID=0x0 #EXTINF:9.23, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719928.ts #EXTINF:0.50, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719929.ts #EXT-X-CUE-IN #EXTINF:8.50, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719930.ts #EXTINF:9.43, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719931.ts #EXTINF:9.78, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719932.ts #EXTINF:9.31, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719933.ts #EXTINF:9.98, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719934.ts #EXTINF:9.25, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719935.ts`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(10); expect(result.totalduration).to.equal(84.94); expect(result.targetduration).to.equal(10); expect(result.fragments[0].url).to.equal( 'http://dummy.url.com/hls/live/segment/segment_022916_164500865_719926.ts', ); expect(result.fragments[0].tagList).to.have.lengthOf(1); expect(result.fragments[2].tagList[0][0]).to.equal('EXT-X-CUE-OUT'); expect(result.fragments[2].tagList[0][1]).to.equal( 'DURATION=150,BREAKID=0x0', ); expect(result.fragments[3].tagList[0][1]).to.equal('0.50'); expect(result.fragments[4].tagList).to.have.lengthOf(2); expect(result.fragments[4].tagList[0][0]).to.equal('EXT-X-CUE-IN'); expect(result.fragments[7].tagList[0][0]).to.equal('INF'); expect(result.fragments[8].url).to.equal( 'http://dummy.url.com/hls/live/segment/segment_022916_164500865_719934.ts', ); }); it('parses playlists with #EXT-X-PROGRAM-DATE-TIME after #EXTINF before fragment URL', function () { const level = `#EXTM3U #EXT-X-VERSION:2 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:69844067 #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:34:44Z Rollover38803/20160525T064049-01-69844067.ts #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:34:54Z Rollover38803/20160525T064049-01-69844068.ts #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z Rollover38803/20160525T064049-01-69844069.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(3); expect(result.hasProgramDateTime).to.be.true; expect(result.totalduration).to.equal(30); expect(result.fragments[0].url).to.equal( 'http://video.example.com/Rollover38803/20160525T064049-01-69844067.ts', ); expect(result.fragments[0].programDateTime).to.equal(1464366884000); expect(result.fragments[1].url).to.equal( 'http://video.example.com/Rollover38803/20160525T064049-01-69844068.ts', ); expect(result.fragments[1].programDateTime).to.equal(1464366894000); expect(result.fragments[2].url).to.equal( 'http://video.example.com/Rollover38803/20160525T064049-01-69844069.ts', ); expect(result.fragments[2].programDateTime).to.equal(1464366904000); }); it('parses #EXTINF without a leading digit', function () { const level = `#EXTM3U #EXT-X-VERSION:3 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-TARGETDURATION:14 #EXTINF:.360, /sec(3ae40f708f79ca9471f52b86da76a3a8)/frag(1)/video/107/282/158282701_mp4_h264_aac_hq.ts #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments).to.have.lengthOf(1); expect(result.fragments[0].duration).to.equal(0.36); }); it('parses #EXT-X-MAP URI', function () { const level = `#EXTM3U #EXT-X-TARGETDURATION:6 #EXT-X-VERSION:7 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-INDEPENDENT-SEGMENTS #EXT-X-MAP:URI="main.mp4",BYTERANGE="718@0" #EXTINF:6.00600, #EXT-X-BYTERANGE:1543597@718 main.mp4`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; const initSegment = result.fragments[0].initSegment; expect(initSegment?.url).to.equal( 'http://proxy-62.dailymotion.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/main.mp4', ); expect(initSegment?.byteRangeStartOffset).to.equal(0); expect(initSegment?.byteRangeEndOffset).to.equal(718); expect(initSegment?.sn).to.equal('initSegment'); }); it('parses multiple #EXT-X-MAP URI', function () { const level = `#EXTM3U #EXT-X-TARGETDURATION:6 #EXT-X-VERSION:7 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-INDEPENDENT-SEGMENTS #EXT-X-MAP:URI="main.mp4" #EXTINF:6.00600, frag1.mp4 #EXT-X-DISCONTINUITY #EXT-X-MAP:URI="alt.mp4" #EXTINF:4.0 frag2.mp4 `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments[0].initSegment?.url).to.equal( 'http://video.example.com/main.mp4', ); expect(result.fragments[0].initSegment?.sn).to.equal('initSegment'); expect(result.fragments[1].initSegment?.url).to.equal( 'http://video.example.com/alt.mp4', ); expect(result.fragments[1].initSegment?.sn).to.equal('initSegment'); }); describe('PDT calculations', function () { it('if playlists contains #EXT-X-PROGRAM-DATE-TIME switching will be applied by PDT', function () { const level = `#EXTM3U #EXT-X-VERSION:2 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:69844067 #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:34:44Z Rollover38803/20160525T064049-01-69844067.ts #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:34:54Z Rollover38803/20160525T064049-01-69844068.ts #EXTINF:10, no desc #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z Rollover38803/20160525T064049-01-69844069.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.true; expect(result.fragments[0].rawProgramDateTime).to.equal( '2016-05-27T16:34:44Z', ); expect(result.fragments[0].programDateTime).to.equal(1464366884000); expect(result.fragments[1].rawProgramDateTime).to.equal( '2016-05-27T16:34:54Z', ); expect(result.fragments[1].programDateTime).to.equal(1464366894000); expect(result.fragments[2].rawProgramDateTime).to.equal( '2016-05-27T16:35:04Z', ); expect(result.fragments[2].programDateTime).to.equal(1464366904000); }); it('backfills PDT values if the first segment does not start with PDT', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:10 #EXTINF:10 frag0.ts #EXTINF:10 frag1.ts #EXTINF:10 #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z frag2.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.true; expect(result.fragments[2].rawProgramDateTime).to.equal( '2016-05-27T16:35:04Z', ); expect(result.fragments[1].programDateTime).to.equal(1464366894000); expect(result.fragments[0].programDateTime).to.equal(1464366884000); }); it('extrapolates PDT forward when subsequent fragments do not have a raw programDateTime', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:10 #EXTINF:10 #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z frag0.ts #EXTINF:10 frag1.ts #EXTINF:10 frag2.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.true; expect(result.fragments[0].rawProgramDateTime).to.equal( '2016-05-27T16:35:04Z', ); expect(result.fragments[1].programDateTime).to.equal(1464366914000); expect(result.fragments[2].programDateTime).to.equal(1464366924000); }); it('recomputes PDT extrapolation whenever a new raw programDateTime is hit', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:10 #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z #EXTINF:10 frag0.ts #EXTINF:10 frag1.ts #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2017-05-27T16:35:04Z #EXTINF:10 frag2.ts #EXTINF:10 frag3.ts #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2015-05-27T11:42:03Z #EXTINF:10 frag4.ts #EXTINF:10 frag5.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.true; expect(result.fragments[0].programDateTime).to.equal(1464366904000); expect(result.fragments[0].rawProgramDateTime).to.equal( '2016-05-27T16:35:04Z', ); expect(result.fragments[1].programDateTime).to.equal(1464366914000); expect(result.fragments[2].programDateTime).to.equal(1495902904000); expect(result.fragments[2].rawProgramDateTime).to.equal( '2017-05-27T16:35:04Z', ); expect(result.fragments[3].programDateTime).to.equal(1495902914000); expect(result.fragments[4].programDateTime).to.equal(1432726923000); expect(result.fragments[4].rawProgramDateTime).to.equal( '2015-05-27T11:42:03Z', ); expect(result.fragments[5].programDateTime).to.equal(1432726933000); }); it('propagates the raw programDateTime to the fragment following the init segment', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:10 #EXTINF:10 #EXT-X-PROGRAM-DATE-TIME:2016-05-27T16:35:04Z #EXT-X-MAP frag0.ts #EXTINF:10 frag1.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.true; expect(result.fragments[0].rawProgramDateTime).to.equal( '2016-05-27T16:35:04Z', ); expect(result.fragments[0].programDateTime).to.equal(1464366904000); }); it('ignores bad PDT values', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:10 #EXTINF:10 #EXT-X-PROGRAM-DATE-TIME:foo frag0.ts #EXTINF:10 frag1.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://video.example.com/disc.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.hasProgramDateTime).to.be.false; expect(result.fragments[0].rawProgramDateTime).to.not.exist; expect(result.fragments[0].programDateTime).to.not.exist; }); }); describe('Low-Latency HLS Manifest Parsing', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:4 #EXT-X-VERSION:3 #EXT-X-PART-INF:PART-TARGET=1.004000 #EXT-X-MEDIA-SEQUENCE:1151226 #EXTINF:4.00000, fileSequence1151226.ts #EXT-X-PROGRAM-DATE-TIME:2020-08-11T23:02:18.003Z #EXTINF:4.00000, fileSequence1151227.ts #EXTINF:4.00000, fileSequence1151228.ts #EXTINF:4.00000, fileSequence1151229.ts #EXTINF:4.00000, fileSequence1151230.ts #EXTINF:4.00000, fileSequence1151231.ts #EXT-X-PROGRAM-DATE-TIME:2020-08-11T23:02:38.003Z #EXT-X-PART:DURATION=1.00000,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151232.1.ts" #EXT-X-PART:DURATION=1.00001,INDEPENDENT=NO,URI="lowLatencyHLS.php?segment=filePart1151232.2.ts" #EXT-X-PART:DURATION=1.00000,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151232.3.ts" #EXT-X-PART:DURATION=1.00000,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151232.4.ts" #EXTINF:4.00000, fileSequence1151232.ts #EXT-X-PART:DURATION=1.00000,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151233.1.ts" #EXT-X-PART:DURATION=0.99999,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151233.2.ts" #EXT-X-PART:DURATION=1.00000,URI="lowLatencyHLS.php?segment=filePart1151233.3.ts" #EXT-X-PART:DURATION=1.00000,GAP=YES,INDEPENDENT=YES,URI="lowLatencyHLS.php?segment=filePart1151233.4.ts" #EXTINF:4.00000, fileSequence1151233.ts #EXT-X-PRELOAD-HINT:TYPE=PART,URI="lowLatencyHLS.php?segment=filePart1151234.1.ts" #EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,CAN-SKIP-UNTIL=24,PART-HOLD-BACK=3.012 #EXT-X-RENDITION-REPORT:URI="/media0/lowLatencyHLS.php",LAST-MSN=1151201,LAST-PART=3 #EXT-X-RENDITION-REPORT:URI="/media2/lowLatencyHLS.php",LAST-MSN=1151201,LAST-PART=3`; it('Parses EXT-X-SERVER-CONTROL', function () { const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.canBlockReload).to.be.true; expect(details.canSkipUntil).to.equal(24); expect(details.partHoldBack).to.equal(3.012); // defaults: expect(details.holdBack).to.equal(0); expect(details.canSkipDateRanges).to.be.false; }); it('Parses EXT-X-SERVER-CONTROL CAN-SKIP-DATERANGES and HOLD-BACK attributes', function () { const details = M3U8Parser.parseLevelPlaylist( `#EXTM3U #EXT-X-TARGETDURATION:4 #EXT-X-VERSION:3 #EXT-X-SERVER-CONTROL:CAN-SKIP-UNTIL=20,CAN-SKIP-DATERANGES=YES,HOLD-BACK=15.1 #EXTINF:4.00000, fileSequence1151226.ts`, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.canSkipUntil).to.equal(20); expect(details.holdBack).to.equal(15.1); expect(details.canSkipDateRanges).to.be.true; // defaults: expect(details.canBlockReload).to.be.false; expect(details.partHoldBack).to.equal(0); expect(details.partTarget).to.equal(0); }); it('Parses EXT-X-PART-INF', function () { const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.partTarget).to.equal(1.004); }); it('Parses EXT-X-PART', function () { const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; // TODO: Partial Segments for a yet to be appended EXT-INF entry will be added to the fragments list // once PartLoader is implemented to abstract away part loading complexity using progressive loader events expect(details.fragments).to.have.lengthOf(8); const partList = details.partList as Part[]; expect(partList).to.be.an('array').which.has.lengthOf(8); expect(partList[0].fragment).to.equal(details.fragments[6]); expect(partList[1].fragment).to.equal(details.fragments[6]); expect(partList[2].fragment).to.equal(details.fragments[6]); expect(partList[3].fragment).to.equal(details.fragments[6]); expect(partList[4].fragment).to.equal(details.fragments[7]); expect(partList[5].fragment).to.equal(details.fragments[7]); expect(partList[6].fragment).to.equal(details.fragments[7]); expect(partList[7].fragment).to.equal(details.fragments[7]); expectWithJSONMessage(partList[0], '6-0').to.deep.include({ duration: 1, gap: false, independent: true, index: 0, relurl: 'lowLatencyHLS.php?segment=filePart1151232.1.ts', }); expectWithJSONMessage(partList[1], '6-1').to.deep.include({ duration: 1.00001, gap: false, independent: false, index: 1, relurl: 'lowLatencyHLS.php?segment=filePart1151232.2.ts', }); expectWithJSONMessage(partList[2], '6-2').to.deep.include({ duration: 1, gap: false, independent: true, index: 2, relurl: 'lowLatencyHLS.php?segment=filePart1151232.3.ts', }); expectWithJSONMessage(partList[3], '6-3').to.deep.include({ duration: 1, gap: false, independent: true, index: 3, relurl: 'lowLatencyHLS.php?segment=filePart1151232.4.ts', }); expectWithJSONMessage(partList[4], '7-0').to.deep.include({ duration: 1, gap: false, independent: true, index: 0, relurl: 'lowLatencyHLS.php?segment=filePart1151233.1.ts', }); expectWithJSONMessage(partList[5], '7-1').to.deep.include({ duration: 0.99999, gap: false, independent: true, index: 1, relurl: 'lowLatencyHLS.php?segment=filePart1151233.2.ts', }); expectWithJSONMessage(partList[6], '7-2').to.deep.include({ duration: 1, gap: false, independent: false, index: 2, relurl: 'lowLatencyHLS.php?segment=filePart1151233.3.ts', }); expectWithJSONMessage(partList[7], '7-3').to.deep.include({ duration: 1, gap: true, independent: true, index: 3, relurl: 'lowLatencyHLS.php?segment=filePart1151233.4.ts', }); }); it('Parses EXT-X-PRELOAD-HINT', function () { const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.preloadHint).to.be.an('object'); expect(details.preloadHint).to.deep.include({ TYPE: 'PART', URI: 'lowLatencyHLS.php?segment=filePart1151234.1.ts', }); }); it('Parses EXT-X-RENDITION-REPORT', function () { const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; const renditionReports = details.renditionReports as AttrList[]; expect(renditionReports).to.be.an('array').which.has.lengthOf(2); expect(renditionReports[0]).to.deep.include({ URI: '/media0/lowLatencyHLS.php', 'LAST-MSN': '1151201', 'LAST-PART': '3', }); }); it('Parses EXT-X-SKIP delta playlists', function () { const details = M3U8Parser.parseLevelPlaylist( `#EXTM3U #EXT-X-TARGETDURATION:4 #EXT-X-VERSION:9 #EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,CAN-SKIP-UNTIL=24,PART-HOLD-BACK=3.012 #EXT-X-PART-INF:PART-TARGET=1.004000 #EXT-X-MEDIA-SEQUENCE:81541 #EXT-X-SKIP:SKIPPED-SEGMENTS=9,RECENTLY-REMOVED-DATERANGES="DrTag tdl" #EXTINF:3.98933, fileSequence81635.m4s #EXTINF:3.98933, fileSequence81636.m4s #EXTINF:3.98933, fileSequence81637.m4s #EXT-X-PROGRAM-DATE-TIME:2023-01-15T02:28:01.425Z #EXTINF:3.98933, fileSequence81638.m4s #EXTINF:3.98933, fileSequence81639.m4s #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81640.1.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81640.2.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81640.3.m4s" #EXT-X-PART:DURATION=0.98133,URI="lowLatencySeg.m4s?segment=filePart81640.4.m4s" #EXTINF:3.98933, fileSequence81640.m4s #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81641.1.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81641.2.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81641.3.m4s" #EXT-X-PART:DURATION=0.98133,URI="lowLatencySeg.m4s?segment=filePart81641.4.m4s" #EXTINF:3.98933, fileSequence81641.m4s #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81642.1.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81642.2.m4s" #EXT-X-PART:DURATION=1.00267,URI="lowLatencySeg.m4s?segment=filePart81642.3.m4s" #EXT-X-PRELOAD-HINT:TYPE=PART,URI="lowLatencySeg.m4s?segment=filePart81642.4.m4s" #`, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.skippedSegments).to.equal(9); expect(details.recentlyRemovedDateranges).to.deep.equal(['DrTag', 'tdl']); expect(details.fragments[0]).to.be.null; expect(details.fragments[8]).to.be.null; expect(details.fragments[9]).to.deep.include({ relurl: 'fileSequence81635.m4s', }); expect(details.fragments).to.have.lengthOf(16); expect(details.partList).to.be.an('array').which.has.lengthOf(11); expect(details.preloadHint).to.deep.include({ TYPE: 'PART', URI: 'lowLatencySeg.m4s?segment=filePart81642.4.m4s', }); }); }); it('adds BITRATE to fragment.tagList', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:6 #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:5.97263,\t #EXT-X-BITRATE:5083 fileSequence0.ts #EXTINF:5.97263,\t #EXT-X-BITRATE:5453 fileSequence1.ts #EXTINF:5.97263,\t #EXT-X-BITRATE:4802 fileSequence2.ts `; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; const fragments = details.fragments as Fragment[]; expect(fragments[0].bitrate).to.equal(5083000); expectWithJSONMessage(fragments[0].tagList).to.deep.equal([ ['INF', '5.97263', '\t'], ['BITRATE', '5083'], ]); expect(fragments[1].bitrate).to.equal(5453000); expectWithJSONMessage(fragments[1].tagList).to.deep.equal([ ['INF', '5.97263', '\t'], ['BITRATE', '5453'], ]); expect(fragments[2].bitrate).to.equal(4802000); expectWithJSONMessage(fragments[2].tagList).to.deep.equal([ ['INF', '5.97263', '\t'], ['BITRATE', '4802'], ]); }); it('parses segment tags used to get bitrate and byte length from fragments', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:6 #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:5 #EXT-X-BITRATE:1000 fileSequence0.ts #EXTINF:5 #EXT-X-BYTERANGE:600000@123456 fileSequence1.ts #EXTINF: 5 fileSequence2.ts `; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; const fragments = details.fragments as Fragment[]; expect(fragments[0].byteLength).to.equal(null); expect(fragments[0].bitrate).to.equal(1000000); expect(fragments[1].byteLength).to.equal(600000); expect(fragments[1].bitrate).to.equal(960000); expect(fragments[2].byteLength).to.equal(null); expect(fragments[2].bitrate).to.equal( 1000000, '#EXT-X-BITRATE applies to every segment between it and the next bitrate tag', ); // Stat data overrides byteLength and bitrate data fragments[2].stats = new LoadStats(); fragments[2].stats.total = 12000; expect(fragments[2].byteLength).to.equal(12000); expect(fragments[2].bitrate).to.equal(19200); fragments[1].stats = new LoadStats(); fragments[1].stats.total = 8000000; expect(fragments[1].byteLength).to.equal(8000000); expect(fragments[1].bitrate).to.equal(12800000); fragments[0].stats = new LoadStats(); fragments[0].stats.total = 5000000; expect(fragments[0].byteLength).to.equal(5000000); expect(fragments[0].bitrate).to.equal(8000000); }); it('adds GAP to fragment.tagList and sets fragment.gap', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:5 #EXT-X-VERSION:3 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:5,title fileSequence0.ts #EXTINF:5, #EXT-X-GAP fileSequence1.ts #EXTINF:5, fileSequence2.ts `; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; const fragments = details.fragments as Fragment[]; expectWithJSONMessage(fragments[0].tagList).to.deep.equal([ ['INF', '5', 'title'], ]); expectWithJSONMessage(fragments[1].tagList).to.deep.equal([ ['INF', '5'], ['GAP'], ]); expectWithJSONMessage(fragments[2].tagList).to.deep.equal([['INF', '5']]); expect(fragments[0].gap).to.equal(undefined); expect(fragments[1].gap).to.equal(true); expect(fragments[2].gap).to.equal(undefined); }); describe('#EXT-X-DATERANGE', function () { it('parses DATERANGE tags including Interstitials', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:6 #EXT-X-VERSION:10 #EXT-X-DISCONTINUITY-SEQUENCE:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-TIMESTAMP:1705081564 #EXT-X-PROGRAM-DATE-TIME:2024-01-12T10:00:00.000Z #EXT-X-DATERANGE:ID="pre",CLASS="com.apple.hls.interstitial",CUE="PRE",START-DATE="2024-01-12T08:00:00.000Z",DURATION=15.0,X-ASSET-URI="b.m3u8?_HLS_interstitial_id=pre",X-RESTRICT="SKIP,JUMP",X-SNAP="IN" #EXT-X-MAP:URI="init_0.mp4" #EXTINF:6, segment.m4s #EXTINF:6, segment.m4s #EXT-X-DATERANGE:ID="mid1",CLASS="com.apple.hls.interstitial",CUE="ONCE",START-DATE="2024-01-12T10:00:10.000Z",DURATION=15.0,X-ASSET-URI="b.m3u8?_HLS_interstitial_id=mid1",X-RESTRICT="SKIP,JUMP" #EXTINF:4, segment.m4s #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2024-01-12T10:00:16.000Z #EXT-X-MAP:URI="init_1.mp4" #EXTINF:6, segment.m4s #EXTINF:4, segment.m4s #EXT-X-DATERANGE:ID="mid2",CLASS="com.apple.hls.interstitial",START-DATE="2024-01-12T10:00:25.000Z",DURATION=15.0,X-ASSET-URI="b.m3u8?_HLS_interstitial_id=mid2",X-SNAP="OUT,IN" #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2024-01-12T10:00:26.000Z #EXT-X-MAP:URI="init_2.mp4" #EXTINF:6, segment.m4s #EXTINF:6, segment.m4s #EXT-X-DATERANGE:ID="post",CLASS="com.apple.hls.interstitial",CUE="POST,ONCE",START-DATE="2024-01-12T10:00:00.000Z",DURATION=15.0,X-ASSET-URI="e.m3u8?_HLS_interstitial_id=post"`; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.dateRangeTagCount).to.equal(4); expect(details.dateRanges.pre!.isInterstitial).to.be.true; expect(details.dateRanges.mid1!.isInterstitial).to.be.true; expect(details.dateRanges.mid2!.isInterstitial).to.be.true; expect(details.dateRanges.post!.isInterstitial).to.be.true; expect(details.dateRanges).to.have.property('pre').which.deep.includes({ tagOrder: 0, }); expect(details.dateRanges).to.have.property('mid1').which.deep.includes({ tagOrder: 1, }); expect(details.dateRanges).to.have.property('mid2').which.deep.includes({ tagOrder: 2, }); expect(details.dateRanges).to.have.property('post').which.deep.includes({ tagOrder: 3, }); expect(details.dateRanges.pre!.cue.pre).to.be.true; expect(details.dateRanges.mid1!.cue.once).to.be.true; expect(details.dateRanges.post!.cue.post).to.be.true; expect(details.dateRanges.post!.cue.once).to.be.true; // DateRange start times are mapped to the primary timeline and not changed by CUE Interstitial DURATION expect(details.dateRanges.pre!.startTime).to.equal(-7200); expect(details.dateRanges.mid1!.startTime).to.equal(10); expect(details.dateRanges.mid2!.startTime).to.equal(25); expect(details.dateRanges.post!.startTime).to.equal(0); }); it('ensures DateRanges are mapped to a segment whose TimeRange covers the start date of the DATERANGE tag', function () { const playlist = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PROGRAM-DATE-TIME:1970-01-01T00:00:00.000Z #EXT-X-DATERANGE:ID="sooner",START-DATE="1970-01-01T00:00:20.000Z" #EXTINF:10 1.mp4 #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:1970-01-01T00:00:20.000Z #EXTINF:10 2.mp4 #EXTINF:10 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.dateRanges.sooner!.isValid).to.equal( true, 'is valid DateRange', ); expect(details.dateRanges.sooner!.tagAnchor) .to.have.property('sn') .which.equals(2); expect(details.dateRanges.sooner!.startTime).to.equal(10); }); it('ensures DateRanges that start before the program are mapped to the first PDT tag', function () { const playlist = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PROGRAM-DATE-TIME:2000-01-01T00:00:00.000Z #EXT-X-DATERANGE:ID="earlier",START-DATE="1999-12-31T23:59:50.000Z" #EXTINF:10 1.mp4 #EXT-X-DISCONTINUITY #EXT-X-PROGRAM-DATE-TIME:2000-01-01T00:00:20.000Z #EXTINF:10 2.mp4 #EXTINF:10 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expect(details.dateRanges.earlier!.isValid).to.equal( true, 'is valid DateRange', ); expect(details.dateRanges.earlier!.tagAnchor) .to.have.property('sn') .which.equals(1); expect(details.dateRanges.earlier!.startTime).to.equal(-10); }); it('adds PROGRAM-DATE-TIME and DATERANGE tag text to fragment[].tagList for backwards compatibility', function () { const playlist = `#EXTM3U #EXT-X-TARGETDURATION:10 #EXT-X-VERSION:4 #EXT-X-MEDIA-SEQUENCE:0 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-PROGRAM-DATE-TIME:2018-09-28T16:50:26Z #EXTINF:10, main1.aac #EXT-X-PROGRAM-DATE-TIME:2018-09-28T16:50:36Z #EXT-X-DATERANGE:ID="splice-6FFFFFF0",START-DATE="2018-09-28T16:50:48Z",PLANNED-DURATION=20.0,X-CUSTOM="Hi!",SCTE35-OUT=0xFC002F0000000000FF #EXTINF:10, main2.aac #EXTINF:10, main3.aac #EXT-X-PROGRAM-DATE-TIME:2018-09-28T16:50:56Z #EXT-X-DATERANGE:ID="splice-6FFFFFF0",START-DATE="2018-09-28T16:51:18Z",DURATION=30.0,SCTE35-IN=0xFC002F0000000000FF #EXTINF:9.9846, main4.aac `; const details = M3U8Parser.parseLevelPlaylist( playlist, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.playlistParsingError).to.be.null; expectWithJSONMessage(details.fragments[0].tagList).to.deep.equal([ ['PROGRAM-DATE-TIME', '2018-09-28T16:50:26Z'], ['INF', '10'], ]); expectWithJSONMessage(details.fragments[1].tagList).to.deep.equal([ ['PROGRAM-DATE-TIME', '2018-09-28T16:50:36Z'], [ 'EXT-X-DATERANGE', 'ID="splice-6FFFFFF0",START-DATE="2018-09-28T16:50:48Z",PLANNED-DURATION=20.0,X-CUSTOM="Hi!",SCTE35-OUT=0xFC002F0000000000FF', ], ['INF', '10'], ]); expectWithJSONMessage(details.fragments[2].tagList).to.deep.equal([ ['INF', '10'], ]); expectWithJSONMessage(details.fragments[3].tagList).to.deep.equal([ ['PROGRAM-DATE-TIME', '2018-09-28T16:50:56Z'], [ 'EXT-X-DATERANGE', 'ID="splice-6FFFFFF0",START-DATE="2018-09-28T16:51:18Z",DURATION=30.0,SCTE35-IN=0xFC002F0000000000FF', ], ['INF', '9.9846'], ]); }); }); it('tests : at end of tag name is used to divide custom tags', function () { const level = `#EXTM3U #EXT-X-VERSION:2 #EXT-X-TARGETDURATION:10 #EXT-X-MEDIA-SEQUENCE:69844067 #EXTINF:9.40, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719926.ts #EXTINF:9.56, http://dummy.url.com/hls/live/segment/segment_022916_164500865_719927.ts #EXT-X-CUSTOM-DATE:2016-05-27T16:34:44Z #EXT-X-CUSTOM-JSON:{"key":"value"} #EXT-X-CUSTOM-URI:http://dummy.url.com/hls/moreinfo.json #EXTINF:10, no desc http://dummy.url.com/hls/live/segment/segment_022916_164500865_719928.ts `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments[2].tagList[0][0]).to.equal('EXT-X-CUSTOM-DATE'); expect(result.fragments[2].tagList[0][1]).to.equal('2016-05-27T16:34:44Z'); expect(result.fragments[2].tagList[1][0]).to.equal('EXT-X-CUSTOM-JSON'); expect(result.fragments[2].tagList[1][1]).to.equal('{"key":"value"}'); expect(result.fragments[2].tagList[2][0]).to.equal('EXT-X-CUSTOM-URI'); expect(result.fragments[2].tagList[2][1]).to.equal( 'http://dummy.url.com/hls/moreinfo.json', ); }); it('allows spaces in the fragment files', function () { const level = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-TARGETDURATION:7 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:6.006, 180724_Allison VLOG-v3_00001.ts #EXTINF:6.006, 180724_Allison VLOG-v3_00002.ts #EXT-X-ENDLIST `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(2); expect(result.totalduration).to.equal(12.012); expect(result.targetduration).to.equal(7); expect(result.fragments[0].url).to.equal( 'http://dummy.url.com/180724_Allison VLOG-v3_00001.ts', ); expect(result.fragments[1].url).to.equal( 'http://dummy.url.com/180724_Allison VLOG-v3_00002.ts', ); }); it('deals with spaces after fragment files', function () { // You can't see them, but there should be spaces directly after the .ts const level = `#EXTM3U #EXT-X-VERSION:4 #EXT-X-TARGETDURATION:7 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-PLAYLIST-TYPE:VOD #EXTINF:6.006, 180724_Allison VLOG v3_00001.ts #EXTINF:6.006, 180724_Allison VLOG v3_00002.ts #EXT-X-ENDLIST `; const result = M3U8Parser.parseLevelPlaylist( level, 'http://dummy.url.com/playlist.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(2); expect(result.totalduration).to.equal(12.012); expect(result.targetduration).to.equal(7); expect(result.fragments[0].url).to.equal( 'http://dummy.url.com/180724_Allison VLOG v3_00001.ts', ); expect(result.fragments[1].url).to.equal( 'http://dummy.url.com/180724_Allison VLOG v3_00002.ts', ); }); it('parse fmp4 level with discontinuities and program date time', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:6 #EXT-X-MEDIA-SEQUENCE:1638262 #EXT-X-DISCONTINUITY-SEQUENCE:28141 #EXT-X-KEY:METHOD=NONE #EXTINF:5.005, #EXT-X-MAP:URI="init.mp4" #EXT-X-PROGRAM-DATE-TIME:2021-11-10T03:25:49.015Z 3.mp4 #EXTINF:5.005, 4.mp4 #EXTINF:1.961, 5.mp4 #EXT-X-DISCONTINUITY #EXTINF:5.005, 0.mp4 #EXTINF:5.005, 1.mp4 #EXTINF:5.005, 2.mp4 #EXTINF:5.005, 3.mp4 #EXTINF:5.005, 4.mp4 #EXTINF:1.961, 5.mp4 #EXT-X-DISCONTINUITY #EXTINF:5.005, 0.mp4 #EXTINF:5.005, 1.mp4 #EXTINF:5.005, 2.mp4 #EXTINF:5.005, 3.mp4 #EXTINF:5.005, 4.mp4 #EXTINF:1.961, 5.mp4 #EXT-X-DISCONTINUITY #EXTINF:5.005, 0.mp4 #EXTINF:4.037, 1.mp4 #EXT-X-PROGRAM-DATE-TIME:2021-11-10T03:27:04Z #EXT-X-CUE-IN #EXT-X-MAP:URI="init_960719739.mp4" #EXT-X-DISCONTINUITY #EXTINF:6.0, media_1638274.m4s #EXTINF:6.0, media_1638275.m4s #EXTINF:6.0, media_1638276.m4s #EXTINF:6.0, media_1638277.m4s #EXTINF:6.0, media_1638278.m4s`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/adaptive/test.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(22); let pdt = 1636514824000; for (let i = 17; i < result.fragments.length; i++) { const frag = result.fragments[i]; expect(frag.programDateTime).to.equal(pdt); pdt += frag.duration * 1000; } }); it('parse clear->enc->clear->enc playlist', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:6 #EXT-X-MAP:URI="init.mp4" #EXTINF:5.5, 1.mp4 #EXTINF:5.0, 2.mp4 #EXT-X-DISCONTINUITY #EXT-X-KEY:METHOD=SAMPLE-AES,URI="skd://a",KEYFORMAT="com.apple.streamingkeydelivery",KEYFORMATVERSIONS="1" #EXT-X-KEY:METHOD=SAMPLE-AES,URI="data:text/plain;base64,YQo=",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed",KEYFORMATVERSIONS="1" #EXT-X-MAP:URI="init.mp4" #EXTINF:5.5, 3.mp4 #EXTINF:5.0, 4.mp4 #EXT-X-DISCONTINUITY #EXT-X-KEY:METHOD=NONE #EXT-X-MAP:URI="init.mp4" #EXTINF:5.5, 5.mp4 #EXTINF:5.0, 6.mp4 #EXT-X-DISCONTINUITY #EXT-X-KEY:METHOD=SAMPLE-AES,URI="skd://b",KEYFORMAT="com.apple.streamingkeydelivery",KEYFORMATVERSIONS="1" #EXT-X-KEY:METHOD=SAMPLE-AES,URI="data:text/plain;base64,Yg==",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed",KEYFORMATVERSIONS="1" #EXT-X-MAP:URI="init.mp4" #EXTINF:5.0, 7.mp4 #EXTINF:4.0, 8.mp4 #EXT-X-ENDLIST`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/adaptive/test.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(8); expect(result.fragments[0].levelkeys, 'first segment has no keys').to.equal( undefined, ); expect( result.fragments[1].levelkeys, 'second segment has no keys', ).to.equal(undefined); expect(result.fragments[2].levelkeys, 'third segment has two keys') .to.be.an('object') .with.keys([ 'com.apple.streamingkeydelivery', 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed', ]); expect(result.fragments[3].levelkeys, 'forth segment has two keys') .to.be.an('object') .with.keys([ 'com.apple.streamingkeydelivery', 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed', ]); expect(result.fragments[4].levelkeys, 'fifth segment has no keys').to.equal( undefined, ); expect(result.fragments[5].levelkeys, 'sixth segment has no keys').to.equal( undefined, ); expect(result.fragments[6].levelkeys, 'seventh segment has two keys') .to.be.an('object') .with.keys([ 'com.apple.streamingkeydelivery', 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed', ]); expect(result.fragments[7].levelkeys, 'eighth segment has two keys') .to.be.an('object') .with.keys([ 'com.apple.streamingkeydelivery', 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed', ]); expect(result) .to.have.property('encryptedFragments') .which.is.an('array') .which.has.members([result.fragments[2], result.fragments[6]]); }); it('parse KEYID other keys when available', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:6 #EXT-X-KEY:METHOD=SAMPLE-AES,URI="skd://any",KEYFORMAT="com.apple.streamingkeydelivery",KEYFORMATVERSIONS="1" #EXT-X-KEY:METHOD=SAMPLE-AES,URI="data:text/plain;base64,AAAA",KEYID=0x50906c6be9179460c3d1a59f16ee9804,KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed",KEYFORMATVERSIONS="1" #EXT-X-KEY:METHOD=SAMPLE-AES,URI="data:text/plain;charset=UTF-16;base64,UAIA",KEYFORMATVERSIONS="1",KEYFORMAT="com.microsoft.playready" #EXT-X-MAP:URI="init.mp4" #EXTINF:5.0, 1.mp4`; const result = M3U8Parser.parseLevelPlaylist( level, 'http://foo.com/adaptive/test.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(result.playlistParsingError).to.be.null; expect(result.fragments.length).to.equal(1); expect(result.fragments[0].levelkeys, 'first segment has three keys') .to.be.an('object') .with.keys([ 'com.apple.streamingkeydelivery', 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed', 'com.microsoft.playready', ]); const fragment = result.fragments[0]; expect(result) .to.have.property('encryptedFragments') .which.is.an('array') .which.has.members([fragment]); expect( fragment.decryptdata, 'decryptdata should by null until format is selected', ).to.be.null; fragment.setKeyFormat(KeySystemFormats.FAIRPLAY); expect(fragment.decryptdata) .to.include({ uri: 'skd://any', method: 'SAMPLE-AES', keyFormat: 'com.apple.streamingkeydelivery', encrypted: true, isCommonEncryption: true, pssh: null, }) .and.have.property('keyId') .which.is.a('Uint8Array'); expect(arrayToHex(fragment.decryptdata!.keyId!)).to.equal( '50906c6be9179460c3d1a59f16ee9804', ); }); it('parses manifest with EXT-X-SESSION-KEYs', function () { const manifest = `#EXTM3U #EXT-X-SESSION-DATA:DATA-ID="key",VALUE="value" #EXT-X-SESSION-KEY:METHOD=SAMPLE-AES,URI="skd://a",KEYFORMAT="com.apple.streamingkeydelivery",KEYFORMATVERSIONS="1" #EXT-X-SESSION-KEY:METHOD=SAMPLE-AES,URI="data:text/plain;base64,YQo=",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed",KEYFORMATVERSIONS="1" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-21.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist(manifest, 'http://www.x.com'); expect(result.sessionData).to.deep.equal({ key: new AttrList({ 'DATA-ID': 'key', VALUE: 'value', }), }); expect(result.sessionKeys) .to.be.an('array') .with.property('length') .which.equals(2); // enforce type if (result.sessionKeys === null) { expect(result.sessionKeys).to.not.be.null; return; } expect(result.sessionKeys[0]) .to.have.property('uri') .which.equals('skd://a'); expect(result.sessionKeys[0]) .to.have.property('method') .which.equals('SAMPLE-AES'); expect(result.sessionKeys[0]) .to.have.property('keyFormat') .which.equals('com.apple.streamingkeydelivery'); expect(result.sessionKeys[1]) .to.have.property('uri') .which.equals('data:text/plain;base64,YQo='); expect(result.sessionKeys[1]) .to.have.property('method') .which.equals('SAMPLE-AES'); expect(result.sessionKeys[1]) .to.have.property('keyFormat') .which.equals('urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'); expect(result.levels.length).to.equal(2); }); describe('#EXT-X-START', function () { it('parses EXT-X-START in Multivariant Playlists', function () { const manifest = `#EXTM3U #EXT-X-START:TIME-OFFSET=300.0,PRECISE=YES #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.x.com', ); expect(result.startTimeOffset).to.equal(300); }); it('parses negative EXT-X-START values in Multivariant Playlists', function () { const manifest = `#EXTM3U #EXT-X-START:TIME-OFFSET=-30.0 #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.x.com', ); expect(result.startTimeOffset).to.equal(-30); }); it('result is null when EXT-X-START is not present', function () { const manifest = `#EXTM3U #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.x.com', ); expect(result.startTimeOffset).to.equal(null); }); }); describe('#EXT-X-DEFINE', function () { it('parses EXT-X-DEFINE Variables in Multivariant Playlists', function () { const manifest = `#EXTM3U #EXT-X-DEFINE:NAME="x",VALUE="1" #EXT-X-DEFINE:NAME="y",VALUE="2" #EXT-X-DEFINE:NAME="hello-var",VALUE="Hello there!" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.x.com', ); if (result.variableList === null) { expect(result.variableList, 'variableList').to.not.equal(null); return; } expect(result.variableList.x).to.equal('1'); expect(result.variableList.y).to.equal('2'); expect(result.variableList['hello-var']).to.equal('Hello there!'); }); it('returns an error when duplicate Variables are found in Multivariant Playlists', function () { const manifest = `#EXTM3U #EXT-X-DEFINE:NAME="foo",VALUE="ok" #EXT-X-DEFINE:NAME="bar",VALUE="ok" #EXT-X-DEFINE:NAME="foo",VALUE="duped" #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,CODECS="mp4a.40.2,avc1.64001f",RESOLUTION=848x360,NAME="480" http://proxy-62.x.com/sec(3ae40f708f79ca9471f52b86da76a3a8)/video/107/282/158282701_mp4_h264_aac_hq.m3u8#cell=core`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'http://www.x.com', ); if (result.variableList === null) { expect(result.variableList, 'variableList').to.not.equal(null); return; } expect(result.variableList.foo).to.equal('ok'); expect(result.variableList.bar).to.equal('ok'); expectPlaylistParsingError( result, 'EXT-X-DEFINE duplicate Variable Name declarations: "foo"', ); }); it('substitutes variable references in quoted strings, URI lines, and hexidecimal attributes, following EXT-X-DEFINE tags in Multivariant Playlists', function () { const manifest = `#EXTM3U #EXT-X-DEFINE:NAME="host",VALUE="example.com" #EXT-X-DEFINE:NAME="foo",VALUE="ok" #EXT-X-DEFINE:NAME="bar",VALUE="{$foo}" #EXT-X-DEFINE:NAME="vcodec",VALUE="avc1.64001f" #EXT-X-CONTENT-STEERING:SERVER-URI="https://{$host}/steering-manifest.json",PATHWAY-ID="{$foo}-CDN" #EXT-X-DEFINE:NAME="session-var",VALUE="hmm" #EXT-X-SESSION-DATA:DATA-ID="var-applied",VALUE="{$session-var}" #EXT-X-DEFINE:NAME="p",VALUE="." #EXT-X-DEFINE:NAME="v1",VALUE="1" #EXT-X-DEFINE:NAME="two",VALUE="2" #EXT-X-SESSION-KEY:METHOD=SAMPLE-AES,URI="skd://{$session-var}",KEYFORMAT="com.apple{$p}streamingkeydelivery",KEYFORMATVERSIONS="{$v1}/2",IV=0x0000000{$two} #EXT-X-DEFINE:NAME="language",VALUE="eng" #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="{$two}00k",LANGUAGE="{$language}",NAME="Audio",AUTOSELECT=YES,DEFAULT=YES,URI="https://{$host}/{$two}00k.m3u8",BANDWIDTH=614400 #EXT-X-STREAM-INF:BANDWIDTH=836280,CODECS="mp4a.40.2,{$vcodec}",RESOLUTION=848x360,AUDIO="{$two}00k",NAME="{$bar}1" https://{$host}/sec/video/1.m3u8 #EXT-X-STREAM-INF:BANDWIDTH=1836280,CODECS="mp4a.40.2,{$vcodec}",RESOLUTION=848x360,NAME="{$bar}{$two}" https://{$host}/sec/{$vcodec}/{$two}.m3u8`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'https://www.x.com', ); if (result.variableList === null) { expect(result.variableList, 'variableList').to.not.equal(null); return; } expect(result.variableList.bar).to.equal('ok'); if (result.sessionData === null) { expect(result.sessionData, 'sessionData').to.not.equal(null); return; } expect(result.sessionData['var-applied'].VALUE).to.equal('hmm'); if (result.sessionKeys === null) { expect(result.sessionKeys).to.not.equal(null); return; } expect(result.sessionKeys[0].keyFormat).to.equal( 'com.apple.streamingkeydelivery', ); expect(result.sessionKeys[0].keyFormatVersions).to.deep.equal([1, 2]); expect(result.sessionKeys[0].iv).to.deep.equal( new Uint8Array([0, 0, 0, 2]), ); expect(result.contentSteering).to.deep.include({ uri: 'https://example.com/steering-manifest.json', pathwayId: 'ok-CDN', }); expect(result.levels[0]).to.deep.include( { name: 'ok1', url: 'https://example.com/sec/video/1.m3u8', videoCodec: 'avc1.64001f', }, JSON.stringify(result.levels[0], null, 2), ); expect(result.levels[1]).to.deep.include( { name: 'ok2', url: 'https://example.com/sec/avc1.64001f/2.m3u8', videoCodec: 'avc1.64001f', }, JSON.stringify(result.levels[0], null, 2), ); const { AUDIO: audioTracks = [] } = M3U8Parser.parseMasterPlaylistMedia( manifest, 'https://www.x.com', result, ); expect(audioTracks[0]).to.deep.include( { groupId: '200k', lang: 'eng', url: 'https://example.com/200k.m3u8', }, JSON.stringify(audioTracks[0], null, 2), ); }); it('imports and substitutes variable references in quoted strings, URI lines, and hexidecimal attributes, following EXT-X-DEFINE tags in Media Playlists', function () { const level = `#EXTM3U #EXT-X-VERSION:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:5 #EXT-X-DEFINE:IMPORT="mvpVariable" #EXT-X-DEFINE:NAME="p",VALUE="part-" #EXT-X-DEFINE:NAME="skd",VALUE="key-data" #EXT-X-DEFINE:NAME="fps",VALUE="com.apple.streamingkeydelivery" #EXT-X-DEFINE:NAME="init-bytes",VALUE="718@0" #EXT-X-DEFINE:NAME="v1",VALUE="1" #EXT-X-DEFINE:NAME="two",VALUE="2" #EXT-X-DEFINE:NAME="metadata-id",VALUE="drMeta" #EXT-X-DEFINE:NAME="date",VALUE="2018-09-28T16:50:48Z" #EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,CAN-SKIP-UNTIL=24,PART-HOLD-BACK=3.012 #EXT-X-SKIP:SKIPPED-SEGMENTS=3,RECENTLY-REMOVED-DATERANGES="DrTag tdl {$metadata-id} foo" #EXT-X-KEY:METHOD=SAMPLE-AES,URI="skd://{$skd}",KEYFORMAT="{$fps}",KEYFORMATVERSIONS="{$v1}/2",IV=0x0000000{$two} #EXT-X-MAP:URI="{$mvpVariable}.mp4",BYTERANGE="{$init-bytes}" #EXTINF:4,no desc {$mvpVariable} a{$mvpVariable}.mp4 #EXTINF:4,no desc 2.mp4 #EXTINF:4,no desc 3.mp4 #EXT-X-PROGRAM-DATE-TIME:2018-09-28T16:50:36Z #EXT-X-DATERANGE:ID="{$metadata-id}",START-DATE="{$date}",END-DATE="{$date}",X-CUSTOM="{$mvpVariable}!",SCTE35-OUT=0x{$two}0000000 #EXT-X-PART:DURATION=1.00000,INDEPENDENT=YES,URI="{$p}4-1.mp4",BYTERANGE="{$init-bytes}" #EXT-X-PART:DURATION=0.99999,INDEPENDENT=YES,URI="{$p}4-2.mp4" #EXT-X-PART:DURATION=1.00000,URI="{$p}4-3.mp4" #EXT-X-PART:DURATION=1.00000,GAP=YES,INDEPENDENT=YES,URI="{$p}4-4.mp4" #EXTINF:4.00000, 4.mp4 #EXT-X-PRELOAD-HINT:TYPE=PART,URI="{$p}5.1.mp4" #EXT-X-RENDITION-REPORT:URI="/media0/{$mvpVariable}.m3u8",LAST-MSN=4,LAST-PART=3 #EXT-X-RENDITION-REPORT:URI="/media2/{$mvpVariable}.m3u8"`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, { mvpVariable: 'ok' }, ); expect(details.playlistParsingError).to.be.null; if (details.variableList === null) { expect(details.variableList, 'variableList').to.not.equal(null); return; } expect(details.variableList.mvpVariable).to.equal('ok'); expect(details.variableList.p).to.equal('part-'); expect(details.totalduration).to.equal(31); expect(details.startSN).to.equal(1); expect(details.targetduration).to.equal(5); expect(details.live).to.be.true; expect(details.skippedSegments).to.equal(3); expect(details.recentlyRemovedDateranges).to.deep.equal([ 'DrTag', 'tdl', 'drMeta', 'foo', ]); expect(details.fragments).to.have.lengthOf(7); expect(details.fragments[3].title).to.equal( 'no desc {$mvpVariable}', 'does not substitute vars in segment "title"', ); expect(details.fragments[3]).to.deep.include({ relurl: 'aok.mp4', url: 'http://example.com/hls/aok.mp4', }); expect(details.fragments[3].initSegment).to.deep.include({ relurl: 'ok.mp4', url: 'http://example.com/hls/ok.mp4', byteRange: [0, 718], }); if (details.partList === null) { expect(details.partList, 'partList').to.not.equal(null); return; } expect(details.partList[0]).to.deep.include({ relurl: 'part-4-1.mp4', url: 'http://example.com/hls/part-4-1.mp4', byteRange: [0, 718], }); expect(details.dateRanges) .to.have.property('drMeta') .which.has.property('attr') .which.deep.includes({ ID: 'drMeta', 'START-DATE': '2018-09-28T16:50:48Z', 'END-DATE': '2018-09-28T16:50:48Z', 'X-CUSTOM': 'ok!', 'SCTE35-OUT': '0x20000000', }); expectWithJSONMessage( details.fragments[3].levelkeys?.['com.apple.streamingkeydelivery'], 'levelkeys', ).to.deep.include({ uri: 'skd://key-data', method: 'SAMPLE-AES', keyFormat: 'com.apple.streamingkeydelivery', keyFormatVersions: [1, 2], iv: new Uint8Array([0, 0, 0, 2]), key: null, keyId: null, }); expect(details.preloadHint).to.deep.include({ TYPE: 'PART', URI: 'part-5.1.mp4', }); if (!details.renditionReports) { expect(details.renditionReports, 'renditionReports').to.not.be .undefined; return; } expect(details.renditionReports[0]).to.deep.include({ URI: '/media0/ok.m3u8', 'LAST-MSN': '4', 'LAST-PART': '3', }); expect(details.renditionReports[1]).to.deep.include({ URI: '/media2/ok.m3u8', }); }); it('defines variables using QUERYPARAM name/value pairs in parent Playlist URIs and substites variable references', function () { const manifest = `#EXTM3U #EXT-X-DEFINE:QUERYPARAM="token" #EXT-X-DEFINE:QUERYPARAM="foo" #EXT-X-SESSION-DATA:DATA-ID="var-applied",VALUE="{$foo}" #EXT-X-STREAM-INF:BANDWIDTH=836280,RESOLUTION=848x360 https://www.x.com/sec/video/1.m3u8?parent-token={$token} #EXT-X-STREAM-INF:BANDWIDTH=1836280,RESOLUTION=848x360 https://www.x.com/sec/video/2.m3u8?parent-token={$token}`; const result = M3U8Parser.parseMasterPlaylist( manifest, 'https://www.x.com?foo=bar&a=ok&token=1234', ); if (result.variableList === null) { expect(result.variableList, 'variableList').to.not.equal(null); return; } expect(result.variableList.foo).to.equal('bar'); expect(result.variableList.token).to.equal('1234'); expect(result.variableList).to.not.have.property('a'); if (result.sessionData === null) { expect(result.sessionData, 'sessionData').to.not.equal(null); return; } expect(result.sessionData['var-applied'].VALUE).to.equal('bar'); expect(result.levels[0]).to.deep.include( { url: 'https://www.x.com/sec/video/1.m3u8?parent-token=1234', }, JSON.stringify(result.levels[0], null, 2), ); expect(result.levels[1]).to.deep.include( { url: 'https://www.x.com/sec/video/2.m3u8?parent-token=1234', }, JSON.stringify(result.levels[0], null, 2), ); const level = `#EXTM3U #EXT-X-VERSION:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-TARGETDURATION:5 #EXT-X-DEFINE:IMPORT="token" #EXT-X-DEFINE:QUERYPARAM="parent-token" #EXT-X-DEFINE:NAME="extra",VALUE="yes" #EXTINF:4 segment-1.mp4?pt={$parent-token}&t={$token}&x={$extra} #EXTINF:4 segment-2.mp4?t={$token} #EXTINF:4 segment-3.mp4?t={$token}`; const details = M3U8Parser.parseLevelPlaylist( level, 'https://www.x.com/sec/video/1.m3u8?parent-token=1234', 0, PlaylistLevelType.MAIN, 0, result.variableList, ); expect(details.playlistParsingError).to.be.null; if (details.variableList === null) { expect(details.variableList, 'variableList').to.not.equal(null); return; } expect(details.variableList.token).to.equal('1234'); expect(details.variableList['parent-token']).to.equal('1234'); expect(details.variableList).to.not.have.property('foo'); expect(details.fragments).to.have.lengthOf(3); expect(details.fragments[0]).to.deep.include({ relurl: 'segment-1.mp4?pt=1234&t=1234&x=yes', url: 'https://www.x.com/sec/video/segment-1.mp4?pt=1234&t=1234&x=yes', }); expect(details.fragments[1]).to.deep.include({ relurl: 'segment-2.mp4?t=1234', url: 'https://www.x.com/sec/video/segment-2.mp4?t=1234', }); expect(details.fragments[2]).to.deep.include({ relurl: 'segment-3.mp4?t=1234', url: 'https://www.x.com/sec/video/segment-3.mp4?t=1234', }); }); it('fails to parse Media Playlist when IMPORT variable is not present', function () { const level = `#EXTM3U #EXT-X-VERSION:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-TARGETDURATION:5 #EXT-X-DEFINE:IMPORT="mvpVar" #EXTINF:4 a{$mvpVar}.mp4 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.variableList).to.equal(null); expectPlaylistParsingError( details, 'EXT-X-DEFINE IMPORT attribute not found in Multivariant Playlist: "mvpVar"', ); expect(details.fragments[0].relurl).to.equal('a{$mvpVar}.mp4'); }); it('fails to parse Media Playlist when variable reference has no definition', function () { const level = `#EXTM3U #EXT-X-VERSION:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-TARGETDURATION:5 #EXTINF:4 a{$bar}.mp4 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.variableList, 'variableList').to.equal(null); expectPlaylistParsingError( details, 'Missing preceding EXT-X-DEFINE tag for Variable Reference: "bar"', ); expect(details.fragments[0].relurl).to.equal('a{$bar}.mp4'); }); it('fails to parse Media Playlist when variable reference precedes definition', function () { const level = `#EXTM3U #EXT-X-VERSION:1 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-TARGETDURATION:5 #EXTINF:4 a{$bar}.mp4 #EXT-X-DEFINE:NAME="bar",VALUE="1" #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expect(details.variableList, 'variableList').to.deep.equal({ bar: '1' }); expectPlaylistParsingError( details, 'Missing preceding EXT-X-DEFINE tag for Variable Reference: "bar"', ); expect(details.fragments[0].relurl).to.equal('a{$bar}.mp4'); }); }); describe('Media Playlist Tag single occurance validation', function () { it('#EXT-X-TARGETDURATION must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-TARGETDURATION:4 #EXTINF:4 1.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-TARGETDURATION must not appear more than once (#EXT-X-TARGETDURATION:4)', ); }); it('#EXT-X-ENDLIST must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXTINF:4 1.mp4 #EXT-X-ENDLIST #EXT-X-ENDLIST`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-ENDLIST must not appear more than once (#EXT-X-ENDLIST)', ); }); it('#EXT-X-DISCONTINUITY-SEQUENCE must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-DISCONTINUITY-SEQUENCE:2 #EXTINF:4 1.mp4 #EXT-X-DISCONTINUITY-SEQUENCE:3 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-DISCONTINUITY-SEQUENCE must not appear more than once (#EXT-X-DISCONTINUITY-SEQUENCE:3)', ); }); it('#EXT-X-MEDIA-SEQUENCE must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:4 1.mp4 #EXT-X-MEDIA-SEQUENCE:2 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-MEDIA-SEQUENCE must not appear more than once (#EXT-X-MEDIA-SEQUENCE:2)', ); }); it('#EXT-X-PLAYLIST-TYPE must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-PLAYLIST-TYPE:EVENT #EXTINF:4 1.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-PLAYLIST-TYPE must not appear more than once (#EXT-X-PLAYLIST-TYPE:EVENT)', ); }); it('#EXT-X-PART-INF must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-PART-INF:PART-TARGET=1.000 #EXT-X-PART-INF:PART-TARGET=0.500 #EXTINF:4 1.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-PART-INF must not appear more than once (#EXT-X-PART-INF:PART-TARGET=0.500)', ); }); it('#EXT-X-SERVER-CONTROL must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-SERVER-CONTROL:CAN-BLOCK-RELOAD=YES,PART-HOLD-BACK=3.0 #EXT-X-SERVER-CONTROL:CAN-SKIP-UNTIL=24 #EXTINF:4 1.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-SERVER-CONTROL must not appear more than once (#EXT-X-SERVER-CONTROL:CAN-SKIP-UNTIL=24)', ); }); // #EXT-X-SKIP is a Media Metadata Tag, not a Media Playlist Tag, but the same "only one" rule applies it('#EXT-X-SKIP must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-MEDIA-SEQUENCE:1 #EXT-X-SKIP:SKIPPED-SEGMENTS=1 #EXTINF:4 2.mp4 #EXT-X-SKIP:SKIPPED-SEGMENTS=3 #EXTINF:4 6.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-SKIP must not appear more than once (#EXT-X-SKIP:SKIPPED-SEGMENTS=3)', ); }); // #EXT-X-VERSION is allowed in Media Playlists and Multivariant Playlists, but the same "only one" rule applies it('#EXT-X-VERSION must not appear more than once', function () { const level = `#EXTM3U #EXT-X-VERSION:5 #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXTINF:4 2.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-VERSION must not appear more than once (#EXT-X-VERSION:6)', ); }); }); describe('Media Playlist sequence tag validation', function () { it('#EXT-X-DISCONTINUITY-SEQUENCE must appear before the first Media Segment', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXT-X-MEDIA-SEQUENCE:1 #EXTINF:4 1.mp4 #EXT-X-DISCONTINUITY-SEQUENCE:3 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-DISCONTINUITY-SEQUENCE must appear before the first Media Segment (#EXT-X-DISCONTINUITY-SEQUENCE:3)', ); }); it('#EXT-X-MEDIA-SEQUENCE must appear before the first Media Segment', function () { const level = `#EXTM3U #EXT-X-VERSION:6 #EXT-X-TARGETDURATION:5 #EXTINF:4 1.mp4 #EXT-X-MEDIA-SEQUENCE:2 #EXTINF:4 2.mp4 #EXTINF:4 3.mp4`; const details = M3U8Parser.parseLevelPlaylist( level, 'http://example.com/hls/index.m3u8', 0, PlaylistLevelType.MAIN, 0, null, ); expectPlaylistParsingError( details, '#EXT-X-MEDIA-SEQUENCE must appear before the first Media Segment (#EXT-X-MEDIA-SEQUENCE:2)', ); }); }); }); function expectWithJSONMessage(value: any, msg?: string) { return expect(value, `${msg || 'actual:'} ${JSON.stringify(value, null, 2)}`); } function expectPlaylistParsingError(object: any, message: string) { expect( object, object?.playlistParsingError ? undefined : 'playlistParsingError', ) .to.have.property('playlistParsingError') .which.is.an('Error') .which.has.property('message') .which.equals(message); }