mirror of
https://github.com/arcodange-org/mediabunny.git
synced 2026-09-27 10:53:50 +02:00
2906 lines
118 KiB
TypeScript
2906 lines
118 KiB
TypeScript
import { expect, test, vi } from 'vitest';
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import { Output, OutputTrackGroup } from '../../src/output.js';
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import {
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CmafOutputFormat,
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HlsOutputFormat,
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HlsOutputSegmentInfo,
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Mp4OutputFormat,
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MpegTsOutputFormat,
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} from '../../src/output-format.js';
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import {
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AppendOnlyStreamTarget,
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BufferTarget,
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NullTarget,
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PathedTarget,
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StreamTarget,
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StreamTargetChunk,
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} from '../../src/target.js';
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import { EncodedAudioPacketSource, EncodedVideoPacketSource } from '../../src/media-source.js';
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import { HlsMuxer } from '../../src/hls/hls-muxer.js';
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import { AudioCodec, VideoCodec } from '../../src/codec.js';
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import { EncodedPacket, PacketType } from '../../src/packet.js';
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import { assert, promiseWithResolvers } from '../../src/misc.js';
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import { Input } from '../../src/input.js';
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import { BufferSource } from '../../src/source.js';
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import { ALL_FORMATS } from '../../src/input-format.js';
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import { InputAudioTrack, InputVideoTrack } from '../../src/input-track.js';
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import { EncodedPacketSink } from '../../src/media-sink.js';
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const videoSource = (codec: VideoCodec = 'avc') => new EncodedVideoPacketSource(codec);
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const audioSource = (codec: AudioCodec = 'aac') => new EncodedAudioPacketSource(codec);
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test('Playlist assignment, single video', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(1);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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});
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test('Playlist assignment, single audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(1);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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});
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test('Playlist assignment, multiple video', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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output.addVideoTrack(videoSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(2);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.groupId).toBeNull();
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expect(decl[1]!.references).toHaveLength(0);
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});
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test('Playlist assignment, multiple audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addAudioTrack(audioSource());
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(2);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.groupId).toBeNull();
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expect(decl[1]!.references).toHaveLength(0);
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});
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test('Playlist assignment, multiple video with different metadata #1', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource(), { languageCode: 'eng' });
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output.addVideoTrack(videoSource(), { languageCode: 'esp' });
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(3);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBe('video-1');
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[0]!.noUri).toBe(true);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.groupId).toBe('video-1');
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expect(decl[1]!.references).toHaveLength(0);
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expect(decl[1]!.noUri).toBe(false);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.groupId).toBeNull();
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expect(decl[2]!.references).toEqual(decl.slice(0, 2));
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expect(decl[2]!.playlist).toBe(decl[0]!.playlist);
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});
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test('Playlist assignment, multiple video with different metadata #2', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource(), { disposition: { primary: true } });
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output.addVideoTrack(videoSource(), { disposition: { primary: false } });
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(3);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBe('video-1');
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[0]!.noUri).toBe(true);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.groupId).toBe('video-1');
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expect(decl[1]!.references).toHaveLength(0);
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expect(decl[1]!.noUri).toBe(false);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.groupId).toBeNull();
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expect(decl[2]!.references).toEqual(decl.slice(0, 2));
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expect(decl[2]!.playlist).toBe(decl[0]!.playlist);
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});
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test('Playlist assignment, multiple audio with different metadata', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addAudioTrack(audioSource(), { languageCode: 'eng' });
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output.addAudioTrack(audioSource(), { languageCode: 'esp' });
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(3);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[0]!.noUri).toBe(true);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.groupId).toBe('audio-1');
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expect(decl[1]!.references).toHaveLength(0);
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expect(decl[1]!.noUri).toBe(false);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.groupId).toBeNull();
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expect(decl[2]!.references).toEqual(decl.slice(0, 2));
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expect(decl[2]!.playlist).toBe(decl[0]!.playlist);
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});
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test('Playlist assignment, video and audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(1);
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expect(decl[0]!.playlist.tracks).toHaveLength(2);
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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});
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test('Playlist assignment, one video and multiple audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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output.addAudioTrack(audioSource());
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output.addAudioTrack(audioSource());
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(4);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[0]!.noUri).toBe(false);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[1]!.noUri).toBe(false);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[2]!.noUri).toBe(false);
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expect(decl[3]!.playlist.tracks).toHaveLength(1);
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expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[3]!.groupId).toBeNull();
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expect(decl[3]!.references).toEqual(decl.slice(0, 3));
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});
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test('Playlist assignment, multiple video and one audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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output.addVideoTrack(videoSource());
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output.addVideoTrack(videoSource());
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(4);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[0]!.noUri).toBe(false);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[1]!.groupId).toBeNull();
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expect(decl[1]!.references).toEqual([decl[0]!]);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[2]!.groupId).toBeNull();
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expect(decl[2]!.references).toEqual([decl[0]!]);
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expect(decl[3]!.playlist.tracks).toHaveLength(1);
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expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[3]!.groupId).toBeNull();
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expect(decl[3]!.references).toEqual([decl[0]!]);
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});
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test('Playlist assignment, multiple video and audio', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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output.addVideoTrack(videoSource());
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output.addVideoTrack(videoSource());
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output.addVideoTrack(videoSource());
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output.addAudioTrack(audioSource());
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output.addAudioTrack(audioSource());
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output.addAudioTrack(audioSource());
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(6);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBe('audio-1');
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expect(decl[0]!.noUri).toBe(false);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[1]!.groupId).toBe('audio-1');
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expect(decl[1]!.noUri).toBe(false);
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expect(decl[2]!.playlist.tracks).toHaveLength(1);
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expect(decl[2]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[2]!.groupId).toBe('audio-1');
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expect(decl[2]!.noUri).toBe(false);
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expect(decl[3]!.playlist.tracks).toHaveLength(1);
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expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[3]!.groupId).toBeNull();
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expect(decl[3]!.references).toEqual(decl.slice(0, 3));
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expect(decl[4]!.playlist.tracks).toHaveLength(1);
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expect(decl[4]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[4]!.groupId).toBeNull();
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expect(decl[4]!.references).toEqual(decl.slice(0, 3));
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expect(decl[5]!.playlist.tracks).toHaveLength(1);
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expect(decl[5]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[5]!.groupId).toBeNull();
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expect(decl[5]!.references).toEqual(decl.slice(0, 3));
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});
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test('Playlist assignment, video and audio in different groups', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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const a = new OutputTrackGroup();
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const b = new OutputTrackGroup();
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output.addVideoTrack(videoSource(), { group: a });
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output.addAudioTrack(audioSource(), { group: b });
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(2);
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expect(decl[0]!.playlist.tracks).toHaveLength(1);
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expect(decl[0]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[1]!.playlist.tracks).toHaveLength(1);
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expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
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expect(decl[1]!.groupId).toBeNull();
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expect(decl[1]!.references).toHaveLength(0);
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});
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test('Playlist assignment, multiple video and audio in pairs', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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const a = new OutputTrackGroup();
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const b = new OutputTrackGroup();
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const c = new OutputTrackGroup();
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output.addVideoTrack(videoSource(), { group: a });
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output.addVideoTrack(videoSource(), { group: b });
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output.addVideoTrack(videoSource(), { group: c });
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output.addAudioTrack(audioSource(), { group: a });
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output.addAudioTrack(audioSource(), { group: b });
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output.addAudioTrack(audioSource(), { group: c });
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await output.start();
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const muxer = output._muxer as HlsMuxer;
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const decl = muxer.playlistDeclarations;
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expect(decl).toHaveLength(3);
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expect(decl[0]!.playlist.tracks).toHaveLength(2);
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expect(decl[0]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[0]!.playlist.tracks[1]!.type).toBe('audio');
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expect(decl[0]!.groupId).toBeNull();
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expect(decl[0]!.references).toHaveLength(0);
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expect(decl[1]!.playlist.tracks).toHaveLength(2);
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expect(decl[1]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[1]!.playlist.tracks[1]!.type).toBe('audio');
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expect(decl[1]!.groupId).toBeNull();
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expect(decl[1]!.references).toHaveLength(0);
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expect(decl[2]!.playlist.tracks).toHaveLength(2);
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expect(decl[2]!.playlist.tracks[0]!.type).toBe('video');
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expect(decl[2]!.playlist.tracks[1]!.type).toBe('audio');
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expect(decl[2]!.groupId).toBeNull();
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expect(decl[2]!.references).toHaveLength(0);
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});
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test('Playlist assignment, multiple video and audio with some unpaired', async () => {
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const output = new Output({
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format: new HlsOutputFormat({
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segmentFormat: new MpegTsOutputFormat(),
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}),
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target: new PathedTarget('', () => new NullTarget()),
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});
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const a = new OutputTrackGroup();
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const b = new OutputTrackGroup();
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const c = new OutputTrackGroup();
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output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: b });
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
output.addAudioTrack(audioSource(), { group: c });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(6);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[0]!.groupId).toBe('audio-1');
|
|
expect(decl[0]!.noUri).toBe(false);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[1]!.groupId).toBe('audio-1');
|
|
expect(decl[1]!.noUri).toBe(false);
|
|
|
|
expect(decl[2]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[2]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[2]!.groupId).toBeNull();
|
|
expect(decl[2]!.references).toEqual(decl.slice(0, 2));
|
|
|
|
expect(decl[3]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[3]!.groupId).toBeNull();
|
|
expect(decl[3]!.references).toEqual(decl.slice(0, 2));
|
|
|
|
expect(decl[4]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[4]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[4]!.groupId).toBeNull();
|
|
expect(decl[4]!.references).toHaveLength(0);
|
|
|
|
expect(decl[5]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[5]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[5]!.groupId).toBeNull();
|
|
expect(decl[5]!.references).toHaveLength(0);
|
|
});
|
|
|
|
test('Playlist assignment, multiple video and audio with multiple groups', async () => {
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
const a = new OutputTrackGroup();
|
|
const b = new OutputTrackGroup();
|
|
|
|
output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: b });
|
|
output.addVideoTrack(videoSource(), { group: b });
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
output.addAudioTrack(audioSource(), { group: b });
|
|
output.addAudioTrack(audioSource(), { group: b });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(8);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[0]!.groupId).toBe('audio-1');
|
|
expect(decl[0]!.noUri).toBe(false);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[1]!.groupId).toBe('audio-1');
|
|
expect(decl[1]!.noUri).toBe(false);
|
|
|
|
expect(decl[2]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[2]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[2]!.groupId).toBe('audio-2');
|
|
expect(decl[2]!.noUri).toBe(false);
|
|
|
|
expect(decl[3]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[3]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[3]!.groupId).toBe('audio-2');
|
|
expect(decl[3]!.noUri).toBe(false);
|
|
|
|
expect(decl[4]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[4]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[4]!.groupId).toBeNull();
|
|
expect(decl[4]!.references).toEqual(decl.slice(0, 2));
|
|
|
|
expect(decl[5]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[5]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[5]!.groupId).toBeNull();
|
|
expect(decl[5]!.references).toEqual(decl.slice(0, 2));
|
|
|
|
expect(decl[6]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[6]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[6]!.groupId).toBeNull();
|
|
expect(decl[6]!.references).toEqual(decl.slice(2, 4));
|
|
|
|
expect(decl[7]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[7]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[7]!.groupId).toBeNull();
|
|
expect(decl[7]!.references).toEqual(decl.slice(2, 4));
|
|
});
|
|
|
|
test('Playlist assignment, video with multiple audio codecs', async () => {
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
output.addVideoTrack(videoSource());
|
|
output.addAudioTrack(audioSource('aac'));
|
|
output.addAudioTrack(audioSource('ac3'));
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(4);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[0]!.playlist.tracks[0]!.source._codec).toBe('aac');
|
|
expect(decl[0]!.groupId).toBe('audio-1');
|
|
expect(decl[0]!.noUri).toBe(false);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[1]!.playlist.tracks[0]!.source._codec).toBe('ac3');
|
|
expect(decl[1]!.groupId).toBe('audio-2');
|
|
expect(decl[1]!.noUri).toBe(false);
|
|
|
|
expect(decl[2]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[2]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[2]!.groupId).toBeNull();
|
|
expect(decl[2]!.references).toEqual([decl[0]!]);
|
|
|
|
expect(decl[3]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[3]!.groupId).toBeNull();
|
|
expect(decl[3]!.references).toEqual([decl[1]!]);
|
|
|
|
expect(decl[2]!.playlist).toBe(decl[3]!.playlist);
|
|
});
|
|
|
|
test('Playlist assignment, audio with multiple video codecs', async () => {
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
output.addVideoTrack(videoSource('avc'));
|
|
output.addVideoTrack(videoSource('hevc'));
|
|
output.addAudioTrack(audioSource());
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(3);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[0]!.groupId).toBe('audio-1');
|
|
expect(decl[0]!.noUri).toBe(false);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[1]!.playlist.tracks[0]!.source._codec).toBe('avc');
|
|
expect(decl[1]!.groupId).toBeNull();
|
|
expect(decl[1]!.references).toEqual([decl[0]!]);
|
|
|
|
expect(decl[2]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[2]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[2]!.playlist.tracks[0]!.source._codec).toBe('hevc');
|
|
expect(decl[2]!.groupId).toBeNull();
|
|
expect(decl[2]!.references).toEqual([decl[0]!]);
|
|
});
|
|
|
|
test('Playlist assignment, multiple video with conflicting audio interests', async () => {
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
const a = new OutputTrackGroup();
|
|
const b = new OutputTrackGroup();
|
|
|
|
output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: b });
|
|
output.addAudioTrack(audioSource(), { group: [a, b] });
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(5);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[0]!.groupId).toBe('audio-1');
|
|
expect(decl[0]!.noUri).toBe(false);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[1]!.groupId).toBe('audio-1');
|
|
expect(decl[1]!.noUri).toBe(false);
|
|
|
|
expect(decl[2]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[2]!.playlist.tracks[0]!.type).toBe('audio');
|
|
expect(decl[2]!.playlist).toBe(decl[0]!.playlist);
|
|
expect(decl[2]!.groupId).toBe('audio-2');
|
|
expect(decl[2]!.noUri).toBe(false);
|
|
|
|
expect(decl[3]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[3]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[3]!.groupId).toBeNull();
|
|
expect(decl[3]!.references).toEqual([decl[0]!, decl[1]!]);
|
|
|
|
expect(decl[4]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[4]!.playlist.tracks[0]!.type).toBe('video');
|
|
expect(decl[4]!.groupId).toBeNull();
|
|
expect(decl[4]!.references).toEqual([decl[2]!]);
|
|
});
|
|
|
|
test('Playlist assignment, video paired with video', async () => {
|
|
const consoleSpy = vi.spyOn(console, 'warn');
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
const a = new OutputTrackGroup();
|
|
const b = new OutputTrackGroup();
|
|
a.pairWith(b);
|
|
|
|
output.addVideoTrack(videoSource(), { group: a });
|
|
output.addVideoTrack(videoSource(), { group: b });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(2);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.groupId).toBeNull();
|
|
expect(decl[0]!.references).toHaveLength(0);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.groupId).toBeNull();
|
|
expect(decl[1]!.references).toHaveLength(0);
|
|
|
|
expect(consoleSpy.mock.calls).toHaveLength(1);
|
|
expect(consoleSpy.mock.calls[0]![0]).toContain('Illegal pairing');
|
|
});
|
|
|
|
test('Playlist assignment, audio paired with audio', async () => {
|
|
const consoleSpy = vi.spyOn(console, 'warn');
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
const a = new OutputTrackGroup();
|
|
const b = new OutputTrackGroup();
|
|
a.pairWith(b);
|
|
|
|
output.addAudioTrack(audioSource(), { group: a });
|
|
output.addAudioTrack(audioSource(), { group: b });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
const decl = muxer.playlistDeclarations;
|
|
|
|
expect(decl).toHaveLength(2);
|
|
|
|
expect(decl[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[0]!.groupId).toBeNull();
|
|
expect(decl[0]!.references).toHaveLength(0);
|
|
|
|
expect(decl[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(decl[1]!.groupId).toBeNull();
|
|
expect(decl[1]!.references).toHaveLength(0);
|
|
|
|
expect(consoleSpy.mock.calls).toHaveLength(1);
|
|
expect(consoleSpy.mock.calls[0]![0]).toContain('Illegal pairing');
|
|
});
|
|
|
|
// eslint-disable-next-line @stylistic/max-len
|
|
const avcPacketData = new Uint8Array([0, 0, 0, 1, 9, 240, 0, 0, 0, 1, 39, 77, 64, 41, 169, 24, 15, 0, 68, 252, 184, 3, 80, 16, 16, 27, 108, 43, 94, 247, 192, 64, 0, 0, 0, 1, 40, 222, 9, 200, 0, 0, 1, 6, 0, 7, 128, 175, 200, 0, 0, 3, 0, 64, 128, 0, 0, 1, 6, 5, 17, 3, 135, 244, 78, 205, 10, 75, 220, 161, 148, 58, 195, 212, 155, 23, 31, 0, 128, 0, 0, 1, 37, 184, 32, 32, 33, 68, 197, 0, 1, 87, 155, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 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235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 240, 0, 0, 1, 37, 0, 11, 244, 184, 32, 32, 33, 68, 197, 0, 1, 87, 155, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 175, 0, 0, 1, 37, 0, 13, 242, 184, 32, 32, 33, 68, 197, 0, 1, 87, 155, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 76, 80, 0, 21, 121, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 239, 190, 251, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 235, 174, 186, 255, 248, 255, 4, 17, 64, 0, 69, 19, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 247, 223, 125, 248]); ;
|
|
const avcMetadata: EncodedVideoChunkMetadata = {
|
|
decoderConfig: {
|
|
codec: 'avc1.4d401e',
|
|
codedWidth: 1280,
|
|
codedHeight: 720,
|
|
},
|
|
};
|
|
|
|
// eslint-disable-next-line @stylistic/max-len
|
|
const aacPacketData = new Uint8Array([255, 241, 77, 128, 3, 159, 252, 0, 208, 0, 1, 3, 64, 0, 13, 0, 0, 17, 52, 0, 0, 208, 0, 3, 6, 128, 0, 56]);
|
|
const aacMetadata: EncodedAudioChunkMetadata = {
|
|
decoderConfig: {
|
|
codec: 'mp4a.40.2',
|
|
numberOfChannels: 2,
|
|
sampleRate: 48000,
|
|
},
|
|
};
|
|
|
|
const setUpSegmentationEnvironment = async (options: {
|
|
video?: boolean;
|
|
audio?: boolean;
|
|
} = {}) => {
|
|
let result: string | null = null;
|
|
let segmentCount = 0;
|
|
let lastSegmentVideoTimestamps: Promise<number[]> = Promise.resolve([]);
|
|
let lastSegmentAudioTimestamps: Promise<number[]> = Promise.resolve([]);
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(), // No ADTS for simplicity
|
|
}),
|
|
target: new PathedTarget('', (request) => {
|
|
const target = new BufferTarget();
|
|
if (request.path.includes('playlist')) {
|
|
target.on('finalized', () => {
|
|
result = new TextDecoder().decode(target.buffer!);
|
|
});
|
|
} else if (request.path.includes('segment')) {
|
|
segmentCount++;
|
|
|
|
const videoBundle = promiseWithResolvers<number[]>();
|
|
lastSegmentVideoTimestamps = videoBundle.promise;
|
|
const audioBundle = promiseWithResolvers<number[]>();
|
|
lastSegmentAudioTimestamps = audioBundle.promise;
|
|
|
|
target.on('finalized', async () => {
|
|
try {
|
|
using input = new Input({
|
|
source: new BufferSource(target.buffer!),
|
|
formats: ALL_FORMATS,
|
|
});
|
|
|
|
const videoTrack = await input.getPrimaryVideoTrack() as InputVideoTrack;
|
|
if (videoTrack) {
|
|
const sink = new EncodedPacketSink(videoTrack);
|
|
const timestamps: number[] = [];
|
|
for await (const packet of sink.packets()) {
|
|
timestamps.push(packet.timestamp);
|
|
}
|
|
videoBundle.resolve(timestamps);
|
|
} else {
|
|
videoBundle.resolve([]);
|
|
}
|
|
|
|
const audioTrack = await input.getPrimaryAudioTrack() as InputAudioTrack;
|
|
if (audioTrack) {
|
|
const sink = new EncodedPacketSink(audioTrack);
|
|
const timestamps: number[] = [];
|
|
for await (const packet of sink.packets()) {
|
|
timestamps.push(packet.timestamp);
|
|
}
|
|
audioBundle.resolve(timestamps);
|
|
} else {
|
|
audioBundle.resolve([]);
|
|
}
|
|
} catch {
|
|
videoBundle.resolve([]);
|
|
audioBundle.resolve([]);
|
|
}
|
|
});
|
|
}
|
|
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const _videoSource = options.video ? new EncodedVideoPacketSource('avc') : null;
|
|
const _audioSource = options.audio ? new EncodedAudioPacketSource('aac') : null;
|
|
|
|
if (_videoSource) {
|
|
output.addVideoTrack(_videoSource);
|
|
}
|
|
if (_audioSource) {
|
|
output.addAudioTrack(_audioSource);
|
|
}
|
|
|
|
await output.start();
|
|
|
|
const addVideoPacket = (timestamp: number, type: PacketType, duration = 0) => {
|
|
assert(_videoSource);
|
|
|
|
return _videoSource.add(
|
|
new EncodedPacket(avcPacketData, type, timestamp, duration),
|
|
avcMetadata,
|
|
);
|
|
};
|
|
|
|
const addAudioPacket = (timestamp: number, duration = 0) => {
|
|
assert(_audioSource);
|
|
|
|
return _audioSource.add(
|
|
new EncodedPacket(aacPacketData, 'key', timestamp, duration),
|
|
aacMetadata,
|
|
);
|
|
};
|
|
|
|
return {
|
|
output,
|
|
videoSource: _videoSource,
|
|
audioSource: _audioSource,
|
|
addVideoPacket,
|
|
addAudioPacket,
|
|
get segmentCount() { return segmentCount; },
|
|
get result() { return result; },
|
|
get lastSegmentVideoTimestamps() { return lastSegmentVideoTimestamps; },
|
|
get lastSegmentAudioTimestamps() { return lastSegmentAudioTimestamps; },
|
|
};
|
|
};
|
|
|
|
test('Segmentation, empty', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.output.finalize();
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, simple', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5, 3, 3.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:1.5,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, reaching until end of second segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
await env.addVideoPacket(4, 'delta');
|
|
expect(env.segmentCount).toBe(1);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5, 3, 3.5, 4]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, reaching until end of second segment with a final key packet', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(4, 'key');
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5, 3, 3.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([4]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:0,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, reaching until end of second segment with a final key packet (audio)', async () => {
|
|
const env = await setUpSegmentationEnvironment({ audio: true });
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([2]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:0,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, reaching until end of second segment with packet durations', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 0.5);
|
|
await env.addVideoPacket(0.5, 'delta', 0.5);
|
|
await env.addVideoPacket(1, 'delta', 0.5);
|
|
await env.addVideoPacket(1.5, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addVideoPacket(2.5, 'delta', 0.5);
|
|
await env.addVideoPacket(3, 'delta', 0.5);
|
|
await env.addVideoPacket(3.5, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(4, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5, 3, 3.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([4]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:0.5,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, reaching until end of second segment with packet durations (audio)', async () => {
|
|
const env = await setUpSegmentationEnvironment({ audio: true });
|
|
|
|
await env.addAudioPacket(0, 0.5);
|
|
await env.addAudioPacket(0.5, 0.5);
|
|
await env.addAudioPacket(1, 0.5);
|
|
await env.addAudioPacket(1.5, 0.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2, 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addAudioPacket(2.5, 0.5);
|
|
await env.addAudioPacket(3, 0.5);
|
|
await env.addAudioPacket(3.5, 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addAudioPacket(4, 0.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([2, 2.5, 3, 3.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([4]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:0.5,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, only one key packet', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 0.5);
|
|
await env.addVideoPacket(0.5, 'delta', 0.5);
|
|
await env.addVideoPacket(1, 'delta', 0.5);
|
|
await env.addVideoPacket(1.5, 'delta', 0.5);
|
|
await env.addVideoPacket(2, 'delta', 0.5);
|
|
await env.addVideoPacket(2.5, 'delta', 0.5);
|
|
await env.addVideoPacket(3, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5, 2, 2.5, 3]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:4
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:3.5,
|
|
segment-1-1.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, key packets before the end of a segment (maximized segment duration test)', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 0.5);
|
|
await env.addVideoPacket(0.5, 'delta', 0.5);
|
|
await env.addVideoPacket(1, 'delta', 0.5);
|
|
await env.addVideoPacket(1.5, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1]);
|
|
await env.addVideoPacket(2.5, 'delta', 0.5);
|
|
await env.addVideoPacket(3, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(3.5, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1.5, 2, 2.5]);
|
|
await env.addVideoPacket(4, 'delta', 0.5);
|
|
await env.addVideoPacket(4.5, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
await env.addVideoPacket(5, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([3, 3.5, 4, 4.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(4);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
#EXTINF:1.5,
|
|
segment-1-2.ts
|
|
#EXTINF:2,
|
|
segment-1-3.ts
|
|
#EXTINF:0.5,
|
|
segment-1-4.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, full segment duration recovery after shorter segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 0.5);
|
|
await env.addVideoPacket(0.5, 'delta', 0.5);
|
|
await env.addVideoPacket(1, 'delta', 0.5);
|
|
await env.addVideoPacket(1.5, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1]);
|
|
await env.addVideoPacket(2.5, 'delta', 0.5);
|
|
await env.addVideoPacket(3, 'delta', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(3.5, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1.5, 2, 2.5, 3]);
|
|
await env.addVideoPacket(4, 'delta', 0.5);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([3.5, 4]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:1,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, packet start timestamp intersecting with end timestamp of previous packet', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 0.5);
|
|
await env.addVideoPacket(0.5, 'delta', 0.5);
|
|
await env.addVideoPacket(1, 'delta', 0.5);
|
|
await env.addVideoPacket(1.5, 'delta', 0.75); // This!
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'key', 0.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:0.5,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, last video packet is included', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
expect(env.segmentCount).toBe(0);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, video not lining up with segment boundaries', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.45, 'key');
|
|
await env.addVideoPacket(0.9, 'key');
|
|
await env.addVideoPacket(1.35, 'key');
|
|
await env.addVideoPacket(1.8, 'key');
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2.25, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.45, 0.9, 1.35]);
|
|
await env.addVideoPacket(2.7, 'key');
|
|
await env.addVideoPacket(3.15, 'key');
|
|
await env.addVideoPacket(3.6, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(4.05, 'key');
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1.8, 2.25, 2.7, 3.15]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([3.6, 4.05]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.8,
|
|
segment-1-1.ts
|
|
#EXTINF:1.8,
|
|
segment-1-2.ts
|
|
#EXTINF:0.45,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, audio not lining up with segment boundaries', async () => {
|
|
const env = await setUpSegmentationEnvironment({ audio: true });
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.45);
|
|
await env.addAudioPacket(0.9);
|
|
await env.addAudioPacket(1.35);
|
|
await env.addAudioPacket(1.8);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2.25);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.45, 0.9, 1.35]);
|
|
await env.addAudioPacket(2.7);
|
|
await env.addAudioPacket(3.15);
|
|
await env.addAudioPacket(3.6);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addAudioPacket(4.05);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([1.8, 2.25, 2.7, 3.15]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([3.6, 4.05]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.8,
|
|
segment-1-1.ts
|
|
#EXTINF:1.8,
|
|
segment-1-2.ts
|
|
#EXTINF:0.45,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, non-zero start time', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
// The minimum packet timestamp becomes the first packet's start time
|
|
await env.addVideoPacket(1, 'key');
|
|
await env.addAudioPacket(0.5);
|
|
env.audioSource!.close();
|
|
await env.addVideoPacket(1.5, 'key');
|
|
await env.addVideoPacket(2, 'key');
|
|
await env.addVideoPacket(2.5, 'key');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1, 1.5, 2]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:0,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, B-frames before key frame', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
await env.addVideoPacket(2, 'key');
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addVideoPacket(1.75, 'delta');
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
await env.addVideoPacket(4, 'key');
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 1.75, 2.5, 3, 3.5]);
|
|
await env.addVideoPacket(4.5, 'delta');
|
|
|
|
await env.output.finalize();
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([4, 4.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:0.5,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, one video packet per segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true });
|
|
|
|
await env.addVideoPacket(0, 'key', 3);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(3, 'key', 3);
|
|
expect(env.segmentCount).toBe(1);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:3
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:3,
|
|
segment-1-1.ts
|
|
#EXTINF:3,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, one audio packet per segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ audio: true });
|
|
|
|
await env.addAudioPacket(0, 3);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(3, 3);
|
|
expect(env.segmentCount).toBe(1);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:3
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:3,
|
|
segment-1-1.ts
|
|
#EXTINF:3,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, single segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
await env.addVideoPacket(2, 'key');
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([2]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:0,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, video dictates the segmentation', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'key');
|
|
await env.addVideoPacket(2, 'delta');
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
await env.addVideoPacket(4, 'delta');
|
|
await env.addVideoPacket(4.5, 'key');
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(1.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1]);
|
|
await env.addAudioPacket(2);
|
|
await env.addAudioPacket(2.5);
|
|
await env.addAudioPacket(3);
|
|
await env.addAudioPacket(3.5);
|
|
await env.addAudioPacket(4);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addAudioPacket(4.5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1.5, 2, 2.5, 3, 3.5, 4]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([1.5, 2, 2.5, 3, 3.5, 4]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([4.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([4.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:3
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
#EXTINF:3,
|
|
segment-1-2.ts
|
|
#EXTINF:0,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, video dictates the segmentation, inverted', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
await env.addAudioPacket(2);
|
|
await env.addAudioPacket(2.5);
|
|
await env.addAudioPacket(3);
|
|
await env.addAudioPacket(3.5);
|
|
await env.addAudioPacket(4);
|
|
await env.addAudioPacket(4.5);
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'key');
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addVideoPacket(2, 'delta');
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1]);
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
await env.addVideoPacket(4, 'delta');
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addVideoPacket(4.5, 'key');
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([1.5, 2, 2.5, 3, 3.5, 4]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([1.5, 2, 2.5, 3, 3.5, 4]);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([4.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([4.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:3
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
#EXTINF:3,
|
|
segment-1-2.ts
|
|
#EXTINF:0,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, audio ending after video', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
await env.addVideoPacket(2, 'key');
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addAudioPacket(2.5);
|
|
await env.addAudioPacket(3);
|
|
await env.addAudioPacket(3.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([2, 2.5, 3.0, 3.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:1.5,
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, audio ending after video in separate segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
await env.addVideoPacket(2, 'key');
|
|
await env.addVideoPacket(2.5, 'delta');
|
|
await env.addVideoPacket(3, 'delta');
|
|
await env.addVideoPacket(3.5, 'delta');
|
|
await env.addVideoPacket(4, 'delta');
|
|
await env.addVideoPacket(4.5, 'delta');
|
|
env.videoSource!.close();
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
expect(env.segmentCount).toBe(0);
|
|
await env.addAudioPacket(2);
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
await env.addAudioPacket(2.5);
|
|
await env.addAudioPacket(3);
|
|
await env.addAudioPacket(3.5);
|
|
await env.addAudioPacket(4);
|
|
await env.addAudioPacket(4.5);
|
|
expect(env.segmentCount).toBe(1);
|
|
await env.addAudioPacket(5);
|
|
expect(env.segmentCount).toBe(2);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([2, 2.5, 3, 3.5, 4, 4.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([2, 2.5, 3, 3.5, 4, 4.5]);
|
|
await env.addAudioPacket(5.5);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(3);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([5, 5.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:3
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:3,
|
|
segment-1-2.ts
|
|
#EXTINF:0.5,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, end timestamp with duration', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta', 0.25);
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5, 0.3);
|
|
expect(env.segmentCount).toBe(0);
|
|
|
|
await env.output.finalize();
|
|
expect(env.segmentCount).toBe(1);
|
|
expect(await env.lastSegmentVideoTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
expect(await env.lastSegmentAudioTimestamps).toEqual([0, 0.5, 1, 1.5]);
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.8,
|
|
segment-1-1.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('Segmentation, dual-track, closing writes segment', async () => {
|
|
const env = await setUpSegmentationEnvironment({ video: true, audio: true });
|
|
|
|
await env.addVideoPacket(0, 'key');
|
|
await env.addVideoPacket(0.5, 'delta');
|
|
await env.addVideoPacket(1, 'delta');
|
|
await env.addVideoPacket(1.5, 'delta');
|
|
|
|
await env.addAudioPacket(0);
|
|
await env.addAudioPacket(0.5);
|
|
await env.addAudioPacket(1);
|
|
await env.addAudioPacket(1.5);
|
|
|
|
expect(env.segmentCount).toBe(0);
|
|
|
|
env.videoSource!.close();
|
|
await new Promise(resolve => setTimeout(resolve, 4));
|
|
|
|
expect(env.segmentCount).toBe(0);
|
|
|
|
env.audioSource!.close();
|
|
await new Promise(resolve => setTimeout(resolve, 4));
|
|
|
|
expect(env.segmentCount).toBe(1);
|
|
|
|
await env.output.finalize();
|
|
|
|
expect(env.result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:1.5,
|
|
segment-1-1.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
});
|
|
|
|
test('write, onSegment, onPlaylist, onMaster events', async () => {
|
|
const onSegment = vi.fn();
|
|
const onPlaylist = vi.fn();
|
|
const onMaster = vi.fn();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
onSegment,
|
|
onPlaylist,
|
|
onMaster,
|
|
}),
|
|
target: new PathedTarget('', () => new BufferTarget()),
|
|
});
|
|
|
|
let targetWrites = 0;
|
|
output.target.on('write', () => targetWrites++);
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
// First segment
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
expect(onSegment).toHaveBeenCalledTimes(0);
|
|
|
|
// Second segment starts, first one is finalized
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
expect(onSegment).toHaveBeenCalledTimes(1);
|
|
expect(onSegment.mock.calls[0]![1]).toEqual(expect.objectContaining({ n: 1 }));
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
expect(onPlaylist).not.toHaveBeenCalled();
|
|
expect(onMaster).not.toHaveBeenCalled();
|
|
|
|
await output.finalize();
|
|
|
|
expect(targetWrites).toBeGreaterThan(0);
|
|
|
|
// Second segment finalized on close
|
|
expect(onSegment).toHaveBeenCalledTimes(2);
|
|
expect(onSegment.mock.calls[1]![1]).toEqual(expect.objectContaining({ n: 2 }));
|
|
|
|
// Both segment calls should have a Target as the first argument
|
|
expect(onSegment.mock.calls[0]![0]).toBeDefined();
|
|
expect(onSegment.mock.calls[1]![0]).toBeDefined();
|
|
|
|
// Playlist and master should have been called once each
|
|
expect(onPlaylist).toHaveBeenCalledTimes(1);
|
|
expect(typeof onPlaylist.mock.calls[0]![0]).toBe('string');
|
|
expect(onPlaylist.mock.calls[0]![0]).toContain('#EXTM3U');
|
|
expect(onPlaylist.mock.calls[0]![1]).toEqual(expect.objectContaining({ n: 1 }));
|
|
|
|
expect(onMaster).toHaveBeenCalledTimes(1);
|
|
expect(typeof onMaster.mock.calls[0]![0]).toBe('string');
|
|
expect(onMaster.mock.calls[0]![0]).toContain('#EXTM3U');
|
|
});
|
|
|
|
test('Single-file mode', async () => {
|
|
let playlistText: string | null = null;
|
|
const segmentPaths = new Set<string>();
|
|
|
|
const onSegment = vi.fn();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
singleFilePerPlaylist: true,
|
|
onSegment,
|
|
}),
|
|
target: new PathedTarget('', (request) => {
|
|
const target = new BufferTarget();
|
|
|
|
if (request.path.includes('playlist')) {
|
|
target.on('finalized', () => {
|
|
playlistText = new TextDecoder().decode(target.buffer!);
|
|
});
|
|
} else if (request.path.includes('segment')) {
|
|
segmentPaths.add(request.path);
|
|
}
|
|
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
expect(onSegment).toHaveBeenCalledTimes(0);
|
|
|
|
await output.finalize();
|
|
|
|
// Only one segment file should have been created
|
|
expect(segmentPaths.size).toBe(1);
|
|
|
|
expect(playlistText).not.toBeNull();
|
|
expect(playlistText!.match(/#EXT-X-BYTERANGE/g)).toHaveLength(2);
|
|
expect(playlistText).toContain('#EXT-X-VERSION:4');
|
|
|
|
expect(onSegment).toHaveBeenCalledTimes(1);
|
|
});
|
|
|
|
test('StreamTarget, write is called for each target', async () => {
|
|
const writeCounts = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', (request) => {
|
|
writeCounts.set(request.path, 0);
|
|
|
|
const writable = new WritableStream<StreamTargetChunk>({
|
|
write() {
|
|
writeCounts.set(request.path, writeCounts.get(request.path)! + 1);
|
|
},
|
|
});
|
|
|
|
return new StreamTarget(writable);
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// Every StreamTarget should have been written to at least once
|
|
for (const [path, count] of writeCounts) {
|
|
expect(count, `Expected writes for ${path}`).toBeGreaterThanOrEqual(1);
|
|
}
|
|
});
|
|
|
|
test('I-frame stream', async () => {
|
|
let masterText = '';
|
|
let playlistText = '';
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
onMaster: (text) => { masterText = text; },
|
|
onPlaylist: (text) => { playlistText = text; },
|
|
}),
|
|
target: new PathedTarget('', () => new BufferTarget()),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source, { hasOnlyKeyPackets: true });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
expect(muxer.playlistDeclarations).toHaveLength(1);
|
|
expect(muxer.playlistDeclarations[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(muxer.playlistDeclarations[0]!.groupId).toBeNull();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 1), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 1, 1), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 1), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(playlistText).toContain('#EXT-X-I-FRAMES-ONLY');
|
|
expect(playlistText).toContain('#EXT-X-VERSION:4');
|
|
|
|
expect(masterText).toContain('#EXT-X-I-FRAME-STREAM-INF:');
|
|
expect(masterText).toMatch(/#EXT-X-I-FRAME-STREAM-INF:[^\n]*URI="/);
|
|
expect(masterText).not.toContain('#EXT-X-STREAM-INF:');
|
|
});
|
|
|
|
test('I-frame stream, pairing warning', async () => {
|
|
const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
const group = new OutputTrackGroup();
|
|
output.addVideoTrack(videoSource(), { hasOnlyKeyPackets: true, group });
|
|
output.addAudioTrack(audioSource(), { group });
|
|
|
|
await output.start();
|
|
|
|
const muxer = output._muxer as HlsMuxer;
|
|
// Despite being pairable, they must end up as separate unpaired declarations
|
|
expect(muxer.playlistDeclarations).toHaveLength(2);
|
|
expect(muxer.playlistDeclarations[0]!.playlist.tracks).toHaveLength(1);
|
|
expect(muxer.playlistDeclarations[1]!.playlist.tracks).toHaveLength(1);
|
|
expect(muxer.playlistDeclarations[0]!.groupId).toBeNull();
|
|
expect(muxer.playlistDeclarations[1]!.groupId).toBeNull();
|
|
|
|
expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining('key-packets-only'));
|
|
|
|
warnSpy.mockRestore();
|
|
});
|
|
|
|
test('CMAF segmentation', async () => {
|
|
let playlistText: string | null = null;
|
|
const targets = new Map<string, BufferTarget>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new CmafOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', (request) => {
|
|
const target = new BufferTarget();
|
|
targets.set(request.path, target);
|
|
|
|
if (request.path.includes('playlist')) {
|
|
target.on('finalized', () => {
|
|
playlistText = new TextDecoder().decode(target.buffer!);
|
|
});
|
|
}
|
|
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(targets.has('init-1.m4s')).toBe(true);
|
|
expect(targets.has('segment-1-1.m4s')).toBe(true);
|
|
expect(targets.has('segment-1-2.m4s')).toBe(true);
|
|
|
|
expect(playlistText).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:6
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
#EXT-X-MAP:URI="init-1.m4s"
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.m4s
|
|
#EXTINF:1.5,
|
|
segment-1-2.m4s
|
|
|
|
#EXT-X-ENDLIST
|
|
`,
|
|
);
|
|
|
|
// Verify that each segment contains exactly 4 video packets
|
|
const initTarget = targets.get('init-1.m4s')!;
|
|
using initInput = new Input({
|
|
source: new BufferSource(initTarget.buffer!),
|
|
formats: ALL_FORMATS,
|
|
});
|
|
|
|
for (const segmentPath of ['segment-1-1.m4s', 'segment-1-2.m4s']) {
|
|
const segmentTarget = targets.get(segmentPath)!;
|
|
|
|
using segmentInput = new Input({
|
|
source: new BufferSource(segmentTarget.buffer!),
|
|
formats: ALL_FORMATS,
|
|
initInput,
|
|
});
|
|
|
|
const videoTrack = await segmentInput.getPrimaryVideoTrack() as InputVideoTrack;
|
|
expect(videoTrack).toBeTruthy();
|
|
|
|
const sink = new EncodedPacketSink(videoTrack);
|
|
let packetCount = 0;
|
|
// eslint-disable-next-line @typescript-eslint/no-unused-vars
|
|
for await (const packet of sink.packets()) {
|
|
packetCount++;
|
|
}
|
|
expect(packetCount).toBe(4);
|
|
}
|
|
});
|
|
|
|
test('CMAF segmentation, single file per playlist', async () => {
|
|
let playlistText: string | null = null;
|
|
const writtenPaths = new Set<string>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new CmafOutputFormat(),
|
|
singleFilePerPlaylist: true,
|
|
}),
|
|
target: new PathedTarget('', (request) => {
|
|
writtenPaths.add(request.path);
|
|
const target = new BufferTarget();
|
|
|
|
if (request.path.includes('playlist')) {
|
|
target.on('finalized', () => {
|
|
playlistText = new TextDecoder().decode(target.buffer!);
|
|
});
|
|
}
|
|
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// Init and segment files should have been written
|
|
expect(writtenPaths).toContain('segments-1.m4s');
|
|
expect(writtenPaths).not.toContain('init-1.m4s');
|
|
|
|
expect(playlistText).not.toBeNull();
|
|
expect(playlistText!.match(/#EXT-X-BYTERANGE/g)).toHaveLength(2);
|
|
expect(playlistText).toContain('#EXT-X-VERSION:6');
|
|
expect(playlistText).toContain('#EXT-X-MAP:URI=');
|
|
});
|
|
|
|
test('Live mode', async () => {
|
|
const writtenTexts = new Map<string, string>();
|
|
const writeCounts = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
live: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
const target = new BufferTarget();
|
|
target.on('finalized', () => {
|
|
if (request.path.endsWith('.m3u8')) {
|
|
writtenTexts.set(request.path, new TextDecoder().decode(target.buffer!));
|
|
writeCounts.set(request.path, (writeCounts.get(request.path) ?? 0) + 1);
|
|
}
|
|
});
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.size).toBe(0);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.has('playlist-1.m3u8')).toBe(true);
|
|
expect(writtenTexts.has('master.m3u8')).toBe(true);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 4, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 4.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5.5, 0.5), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(writeCounts.get('master.m3u8')).toBe(3);
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:2,
|
|
segment-1-3.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
});
|
|
|
|
test('Live mode, CMAF', async () => {
|
|
const writtenTexts = new Map<string, string>();
|
|
const writeCounts = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new CmafOutputFormat(),
|
|
live: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
const target = new BufferTarget();
|
|
target.on('finalized', () => {
|
|
if (request.path.endsWith('.m3u8')) {
|
|
writtenTexts.set(request.path, new TextDecoder().decode(target.buffer!));
|
|
writeCounts.set(request.path, (writeCounts.get(request.path) ?? 0) + 1);
|
|
}
|
|
});
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.size).toBe(0);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.has('playlist-1.m3u8')).toBe(true);
|
|
expect(writtenTexts.has('master.m3u8')).toBe(true);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:6
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
#EXT-X-MAP:URI="init-1.m4s"
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.m4s
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 4, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:6
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
#EXT-X-MAP:URI="init-1.m4s"
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.m4s
|
|
#EXTINF:2,
|
|
segment-1-2.m4s
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 4.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5.5, 0.5), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(writeCounts.get('master.m3u8')).toBe(3);
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:6
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
#EXT-X-MAP:URI="init-1.m4s"
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.m4s
|
|
#EXTINF:2,
|
|
segment-1-2.m4s
|
|
#EXTINF:2,
|
|
segment-1-3.m4s
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
});
|
|
|
|
test('Live mode, fixed target duration', async () => {
|
|
const writtenTexts = new Map<string, string>();
|
|
const writeCounts = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
live: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
const target = new BufferTarget();
|
|
target.on('finalized', () => {
|
|
if (request.path.endsWith('.m3u8')) {
|
|
writtenTexts.set(request.path, new TextDecoder().decode(target.buffer!));
|
|
writeCounts.set(request.path, (writeCounts.get(request.path) ?? 0) + 1);
|
|
}
|
|
});
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0.5), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// The TARGETDURATION remains 2 even tho there are segments longer than that; this is because the spec disallows the
|
|
// target duration to change, and it must be the same across all playlists
|
|
expect(writeCounts.get('master.m3u8')).toBe(1);
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:3,
|
|
segment-1-1.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
});
|
|
|
|
test('Live mode, empty', async () => {
|
|
const writtenTexts = new Map<string, string>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
live: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
const target = new BufferTarget();
|
|
target.on('finalized', () => {
|
|
if (request.path.endsWith('.m3u8')) {
|
|
writtenTexts.set(request.path, new TextDecoder().decode(target.buffer!));
|
|
}
|
|
});
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
await output.finalize();
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
});
|
|
|
|
test('EXT-X-PROGRAM-DATE-TIME writing', async () => {
|
|
let result: string | null = null;
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
onPlaylist: (text) => { result = text; },
|
|
}),
|
|
target: new PathedTarget('', () => new BufferTarget()),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source, { isRelativeToUnixEpoch: true });
|
|
|
|
await output.start();
|
|
|
|
const base = Date.parse('2026-01-01T00:00:00.250Z') / 1000;
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', base + 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', base + 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', base + 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(result).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-PLAYLIST-TYPE:VOD
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
#EXT-X-PROGRAM-DATE-TIME:2026-01-01T00:00:00.250Z
|
|
segment-1-1.ts
|
|
#EXTINF:1.5,
|
|
#EXT-X-PROGRAM-DATE-TIME:2026-01-01T00:00:02.250Z
|
|
segment-1-2.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
});
|
|
|
|
test('Throws if some tracks are relativeToUnixEpoch and some are not', async () => {
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('', () => new NullTarget()),
|
|
});
|
|
|
|
output.addVideoTrack(videoSource(), { isRelativeToUnixEpoch: true });
|
|
output.addAudioTrack(audioSource(), { isRelativeToUnixEpoch: false });
|
|
|
|
await expect(output.start()).rejects.toThrow('relativeToUnixEpoch');
|
|
});
|
|
|
|
test('Live mode, maxLiveSegmentCount', async () => {
|
|
const writtenTexts = new Map<string, string>();
|
|
const poppedSegments: { path: string; info: HlsOutputSegmentInfo }[] = [];
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
live: true,
|
|
maxLiveSegmentCount: 2,
|
|
onSegmentPopped: (path, info) => {
|
|
poppedSegments.push({ path, info });
|
|
},
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
const target = new BufferTarget();
|
|
target.on('finalized', () => {
|
|
if (request.path.endsWith('.m3u8')) {
|
|
writtenTexts.set(request.path, new TextDecoder().decode(target.buffer!));
|
|
}
|
|
});
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-MEDIA-SEQUENCE:0
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 4, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-MEDIA-SEQUENCE:0
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-1.ts
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
`);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 4.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 6, 0.5), avcMetadata);
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-MEDIA-SEQUENCE:1
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-2.ts
|
|
#EXTINF:2,
|
|
segment-1-3.ts
|
|
`);
|
|
|
|
expect(poppedSegments).toHaveLength(1);
|
|
expect(poppedSegments[0]!.path).toBe('segment-1-1.ts');
|
|
expect(poppedSegments[0]!.info.n).toBe(1);
|
|
expect(poppedSegments[0]!.info.isSingleFile).toBe(false);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 6.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 7, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 7.5, 0.5), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(writtenTexts.get('playlist-1.m3u8')).toBe(`#EXTM3U
|
|
#EXT-X-VERSION:3
|
|
#EXT-X-TARGETDURATION:2
|
|
#EXT-X-MEDIA-SEQUENCE:2
|
|
#EXT-X-INDEPENDENT-SEGMENTS
|
|
|
|
#EXTINF:2,
|
|
segment-1-3.ts
|
|
#EXTINF:2,
|
|
segment-1-4.ts
|
|
|
|
#EXT-X-ENDLIST
|
|
`);
|
|
|
|
expect(poppedSegments).toHaveLength(2);
|
|
expect(poppedSegments[1]!.path).toBe('segment-1-2.ts');
|
|
expect(poppedSegments[1]!.info.n).toBe(2);
|
|
});
|
|
|
|
test('Live mode, maxLiveSegmentCount with singleFilePerPlaylist', async () => {
|
|
const onSegmentPopped = vi.fn();
|
|
let lastPlaylistText = '';
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
live: true,
|
|
maxLiveSegmentCount: 2,
|
|
singleFilePerPlaylist: true,
|
|
onSegmentPopped,
|
|
onPlaylist: (content) => {
|
|
lastPlaylistText = content;
|
|
},
|
|
}),
|
|
target: new PathedTarget('master.m3u8', () => {
|
|
return new BufferTarget();
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 4, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 4.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 5.5, 0.5), avcMetadata);
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 6, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 6.5, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 7, 0.5), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 7.5, 0.5), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
expect(onSegmentPopped).not.toHaveBeenCalled();
|
|
|
|
// Popping still happened
|
|
const extinfCount = (lastPlaylistText.match(/#EXTINF:/g) ?? []).length;
|
|
expect(extinfCount).toBe(2);
|
|
});
|
|
|
|
test('Append-only stream', async () => {
|
|
const writes = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
writes.set(request.path, 0);
|
|
|
|
const writable = new WritableStream<Uint8Array>({
|
|
write: () => {
|
|
writes.set(request.path, writes.get(request.path)! + 1);
|
|
},
|
|
});
|
|
const target = new AppendOnlyStreamTarget(writable);
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// Each segment file should have been written to at least once
|
|
for (const [, count] of writes) {
|
|
expect(count).toBeGreaterThanOrEqual(1);
|
|
}
|
|
|
|
expect(writes.size).toBe(1 + 1 + 2); // Master playlist + media playlist + 2 segments
|
|
});
|
|
|
|
test('Append-only stream, single file', async () => {
|
|
const writes = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new MpegTsOutputFormat(),
|
|
singleFilePerPlaylist: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
writes.set(request.path, 0);
|
|
|
|
const writable = new WritableStream<Uint8Array>({
|
|
write: () => {
|
|
writes.set(request.path, writes.get(request.path)! + 1);
|
|
},
|
|
});
|
|
const target = new AppendOnlyStreamTarget(writable);
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// Each segment file should have been written to at least once
|
|
for (const [, count] of writes) {
|
|
expect(count).toBeGreaterThanOrEqual(1);
|
|
}
|
|
|
|
expect(writes.size).toBe(1 + 1 + 1); // Master playlist + media playlist + 1 segments file
|
|
});
|
|
|
|
test('Append-only stream, single file with CMAF', async () => {
|
|
const writes = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new CmafOutputFormat(),
|
|
singleFilePerPlaylist: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
writes.set(request.path, 0);
|
|
|
|
const writable = new WritableStream<Uint8Array>({
|
|
write: () => {
|
|
writes.set(request.path, writes.get(request.path)! + 1);
|
|
},
|
|
});
|
|
const target = new AppendOnlyStreamTarget(writable);
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 2.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 3.5, 0), avcMetadata);
|
|
|
|
await output.finalize();
|
|
|
|
// Each segment file should have been written to at least once
|
|
for (const [, count] of writes) {
|
|
expect(count).toBeGreaterThanOrEqual(1);
|
|
}
|
|
|
|
expect(writes.size).toBe(1 + 1 + 1); // Master playlist + media playlist + 1 segments file
|
|
});
|
|
|
|
test('Append-only stream with monotonicity violation', async () => {
|
|
const writes = new Map<string, number>();
|
|
|
|
const output = new Output({
|
|
format: new HlsOutputFormat({
|
|
segmentFormat: new Mp4OutputFormat(),
|
|
singleFilePerPlaylist: true,
|
|
}),
|
|
target: new PathedTarget('master.m3u8', (request) => {
|
|
writes.set(request.path, 0);
|
|
|
|
const writable = new WritableStream<Uint8Array>({
|
|
write: () => {
|
|
writes.set(request.path, writes.get(request.path)! + 1);
|
|
},
|
|
});
|
|
const target = new AppendOnlyStreamTarget(writable);
|
|
return target;
|
|
}),
|
|
});
|
|
|
|
const source = videoSource();
|
|
output.addVideoTrack(source);
|
|
|
|
await output.start();
|
|
|
|
await source.add(new EncodedPacket(avcPacketData, 'key', 0, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 0.5, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1, 0), avcMetadata);
|
|
await source.add(new EncodedPacket(avcPacketData, 'delta', 1.5, 0), avcMetadata);
|
|
|
|
await expect(source.add(new EncodedPacket(avcPacketData, 'key', 2, 0), avcMetadata))
|
|
.rejects.toThrow('AppendOnlyStreamTarget');
|
|
});
|