mirror of
https://github.com/KuekHaoYang/KVideo.git
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kuekhaoyang
f98de077f7
Address issues #217 #218 and integrate the useful parts of PR #219 without regressions: stop player rebuild on episode reverse, grid/paged episodes, poster placeholders, chrome69 client transpile for Amlogic WebView, and duration-signature ad block detection while keeping interstitial/proxy filters. Bump to 4.9.15.
83 lines
2.9 KiB
TypeScript
83 lines
2.9 KiB
TypeScript
import assert from 'node:assert/strict';
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import test from 'node:test';
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import {
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findDuplicateSignatureBlockIndices,
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parseBlocks,
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scoreBlock,
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learnMainPattern,
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} from '../lib/utils/m3u8-ad-detector';
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import { filterM3u8Ad } from '../lib/utils/m3u8-utils';
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function buildBlockPlaylist(blocks: number[][]): string {
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const lines = ['#EXTM3U', '#EXT-X-VERSION:3', '#EXT-X-TARGETDURATION:10'];
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blocks.forEach((durations, blockIndex) => {
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if (blockIndex > 0) {
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lines.push('#EXT-X-DISCONTINUITY');
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}
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durations.forEach((duration, segmentIndex) => {
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lines.push(`#EXTINF:${duration.toFixed(3)},`);
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lines.push(`https://cdn.example.com/content/seg-${blockIndex}-${segmentIndex}.ts`);
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});
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});
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lines.push('#EXT-X-ENDLIST');
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return lines.join('\n');
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}
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test('findDuplicateSignatureBlockIndices flags repeated ad duration fingerprints', () => {
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const playlist = buildBlockPlaylist([
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[2.0, 2.0, 2.0], // ad A
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[6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0], // main content
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[2.0, 2.0, 2.0], // ad A again
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[1.5, 1.5, 1.5], // unique short block
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]);
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const blocks = parseBlocks(playlist.split('\n'));
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const duplicates = findDuplicateSignatureBlockIndices(blocks);
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assert.equal(duplicates.has(0), true);
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assert.equal(duplicates.has(2), true);
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assert.equal(duplicates.has(1), false);
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assert.equal(duplicates.has(3), false);
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});
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test('scoreBlock returns max score for duplicate signature blocks', () => {
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const playlist = buildBlockPlaylist([
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[2.0, 2.0, 2.0],
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[6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0],
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[2.0, 2.0, 2.0],
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]);
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const blocks = parseBlocks(playlist.split('\n'));
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const mainPattern = learnMainPattern(blocks);
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const score = scoreBlock(blocks[0], mainPattern, [], true);
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assert.equal(score, 10);
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});
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test('filterM3u8Ad removes duplicate-signature ad blocks while keeping main content', () => {
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const playlist = buildBlockPlaylist([
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[2.002, 2.002, 2.002],
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[6.006, 6.006, 6.006, 6.006, 6.006, 6.006, 6.006, 6.006, 6.006, 6.006],
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[2.002, 2.002, 2.002],
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]);
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const filtered = filterM3u8Ad(playlist, 'https://cdn.example.com/content/index.m3u8', 'heuristic');
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assert.equal(filtered.includes('seg-0-0.ts'), false);
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assert.equal(filtered.includes('seg-2-0.ts'), false);
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assert.equal(filtered.includes('seg-1-0.ts'), true);
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assert.equal(filtered.includes('seg-1-9.ts'), true);
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});
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test('filterM3u8Ad still strips interstitial DATERANGE metadata', () => {
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const playlist = [
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'#EXTM3U',
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'#EXT-X-VERSION:3',
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'#EXT-X-DATERANGE:ID="ad1",CLASS="com.apple.hls.interstitial",START-DATE="2024-01-01T00:00:00Z",X-ASSET-URI="https://ads.example.com/ad.m3u8"',
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'#EXTINF:6.000,',
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'https://cdn.example.com/main/seg-0.ts',
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'#EXT-X-ENDLIST',
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].join('\n');
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const filtered = filterM3u8Ad(playlist, 'https://cdn.example.com/main/index.m3u8', 'heuristic');
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assert.equal(filtered.includes('com.apple.hls.interstitial'), false);
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assert.equal(filtered.includes('seg-0.ts'), true);
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});
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