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Add DRM integration tests
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peaBerberian committed Aug 2, 2024
1 parent 9a11f5a commit 9001a12
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4 changes: 4 additions & 0 deletions src/experimental/tools/DummyMediaElement/eme.ts
Original file line number Diff line number Diff line change
Expand Up @@ -574,6 +574,10 @@ export class DummyMediaKeySession
return Promise.resolve();
}

public getPolicyLevel(): number {
return this._currentPolicyLevel;
}

public updatePolicyLevel(newLevel: number) {
this._currentPolicyLevel = newLevel;

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3 changes: 3 additions & 0 deletions tests/contents/DASH_DRM_static_SegmentTemplate/index.mjs
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@@ -0,0 +1,3 @@
import manifestInfos from "./infos.mjs";

export { manifestInfos };
31 changes: 31 additions & 0 deletions tests/contents/DASH_DRM_static_SegmentTemplate/infos.mjs
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@@ -0,0 +1,31 @@
const BASE_URL =
"http://" +
/* eslint-disable no-undef */
__TEST_CONTENT_SERVER__.URL +
":" +
__TEST_CONTENT_SERVER__.PORT +
/* eslint-enable no-undef */
"/DASH_DRM_static_SegmentTemplate/media/";

export default {
url: BASE_URL + "encrypted_multiple_keys_number.mpd",
transport: "dash",
isDynamic: false,
isLive: false,
duration: 734,
minimumPosition: 0,
maximumPosition: 734,
availabilityStartTime: 0,
periods: [
{
start: 0,
duration: 734,
// TODO?
adaptations: {
audio: [],
video: [],
text: [],
},
},
],
};
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138 changes: 138 additions & 0 deletions tests/contents/DASH_DRM_static_SegmentTemplate/urls.mjs
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/* eslint-env node */

import * as path from "path";
import patchSegmentWithTimeOffset from "../utils/patchSegmentWithTimeOffset.mjs";
import { fileURLToPath } from "url";

const currentDirectory = path.dirname(fileURLToPath(import.meta.url));

const baseURL = "/DASH_DRM_static_SegmentTemplate/media/";

const segments = [];

// video
[
"8-80399bf5",
"9-80399bf5",
"10-80399bf5",
"11-90953e09",
"12-90953e09",
"1-80399bf5",
"2-80399bf5",
"3-80399bf5",
"4-90953e09",
"5-90953e09",
].forEach((dir) => {
segments.push({
url: baseURL + dir + "/init.mp4",
path: path.join(currentDirectory, `./media/${dir}/init.mp4`),
content: "video/mp4",
});
const duration = [
"1-80399bf5",
"2-80399bf5",
"3-80399bf5",
"4-90953e09",
"5-90953e09",
].includes(dir)
? 96
: 4799983;
for (let i = 1; i <= 184; i++) {
const nb = String(i).padStart(4, "0");
segments.push({
url: baseURL + dir + `/${nb}.m4s`,
path: path.join(currentDirectory, `./media/${dir}/0001.m4s`),
postProcess: (buffer) => patchMp4(buffer, (i - 1) * duration),
content: "video/mp4",
});
}
});

[
// audio
"15-585f233f",
"16-4222bd78",
"17",
].forEach((dir) => {
segments.push({
url: baseURL + dir + "/init.mp4",
path: path.join(currentDirectory, `./media/${dir}/init.mp4`),
content: "audio/mp4",
});
const duration = 95232;
for (let i = 1; i <= 185; i++) {
const nb = String(i).padStart(4, "0");
segments.push({
url: baseURL + dir + `/${nb}.m4s`,
path: path.join(currentDirectory, `./media/${dir}/0001.m4s`),
postProcess: (buffer) => patchMp4(buffer, (i - 1) * duration),
content: "audio/mp4",
});
}
});

[
// subtitles
"19",
"27",
].forEach((dir) => {
segments.push({
url: baseURL + dir + "/init.mp4",
path: path.join(currentDirectory, `./media/${dir}/init.mp4`),
content: "application/mp4",
});
const duration = 4000;
for (let i = 1; i <= 184; i++) {
const nb = String(i).padStart(4, "0");
segments.push({
url: baseURL + dir + `/${nb}.m4s`,
path: path.join(currentDirectory, `./media/${dir}/0001.m4s`),
postProcess: (buffer) => patchMp4(buffer, (i - 1) * duration),
content: "application/mp4",
});
}
});

export default [
// Manifest
{
url: baseURL + "encrypted_multiple_keys_number.mpd",
path: path.join(currentDirectory, "./media/encrypted_multiple_keys_number.mpd"),
contentType: "application/dash+xml",
},
...segments,
];

/**
* Translate groups of 4 big-endian bytes to Integer.
* @param {Uint8Array} bytes
* @param {Number} offset - The offset (from the start of the given array)
* @returns {Number}
*/
function be4toi(bytes, offset) {
return (
bytes[offset + 0] * 0x1000000 +
bytes[offset + 1] * 0x0010000 +
bytes[offset + 2] * 0x0000100 +
bytes[offset + 3]
);
}

function patchMp4(buffer, startTime) {
const bufferu8 = new Uint8Array(buffer);
let ret = bufferu8;

// If it just finishes with "mdat", fill in the rest with 0
if (
bufferu8[bufferu8.length - 4] === 0x6d &&
bufferu8[bufferu8.length - 3] === 0x64 &&
bufferu8[bufferu8.length - 2] === 0x61 &&
bufferu8[bufferu8.length - 1] === 0x74
) {
const mdatLen = be4toi(bufferu8, bufferu8.length - 8);
const remainingLength = mdatLen - 8;
ret = new Uint8Array(bufferu8.length + remainingLength);
ret.set(bufferu8, 0);
}
return patchSegmentWithTimeOffset(ret, startTime).buffer;
}
2 changes: 2 additions & 0 deletions tests/contents/urls.mjs
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Expand Up @@ -13,6 +13,7 @@ import urls8 from "./directfile_webm/urls.mjs";
import urls9 from "./DASH_dynamic_SegmentTemplate_Multi_Periods/urls.mjs";
import urls10 from "./DASH_static_broken_cenc_in_MPD/urls.mjs";
import urls11 from "./DASH_static_number_based_SegmentTimeline/urls.mjs";
import urls12 from "./DASH_DRM_static_SegmentTemplate/urls.mjs";

export default [
...urls1,
Expand All @@ -26,4 +27,5 @@ export default [
...urls9,
...urls10,
...urls11,
...urls12,
];
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