70 lines
3 KiB
JavaScript
70 lines
3 KiB
JavaScript
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/// <reference path="../pb_data/types.d.ts" />
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// The decode ladder the device benchmark plays.
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//
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// One row per rung. The app downloads a rung (which measures the link, on a
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// file big enough to escape TCP slow start) and then plays it from local
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// storage (which measures the decoder, with the network out of the picture).
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// Keeping those two apart is the whole point: on the owner's father's box the
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// connection is fine and the hardware is not, and a test that streamed while it
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// measured would blame the wrong one.
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//
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// Why a collection rather than files baked into amber-api: 76 MB does not
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// belong in a Docker image that is rebuilt on every push, and a ladder that can
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// be re-cut without shipping a release is a ladder that will actually be
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// maintained.
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//
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// The clips are cut from Big Buck Bunny (c) Blender Foundation,
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// peach.blender.org, CC-BY 3.0. Same ten seconds of high-motion footage at every
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// rung, so only resolution, codec and bitrate differ. Each carries an E-AC3 5.1
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// track on purpose: the television decodes compressed audio in-app through
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// FFmpeg, so that cost is part of what "can this box play this file" means.
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//
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// The file is deliberately NOT protected. There is nothing to gate (the source
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// is CC-BY) and an unprotected URL can be handed straight to a player. Listing
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// still needs a signed-in account, like everything else here.
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migrate(
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(app) => {
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const clips = new Collection({
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type: "base",
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name: "benchmark_clips",
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listRule: "@request.auth.id != ''",
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viewRule: "@request.auth.id != ''",
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createRule: null,
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updateRule: null,
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deleteRule: null,
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fields: [
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// Stable identifier the app switches on; the label is what a person reads.
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{ type: "text", name: "key", required: true, max: 20 },
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{ type: "text", name: "label", required: true, max: 40 },
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// Rungs are ordered, and the order is the answer: the highest rung that
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// plays clean is what the box can do.
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{ type: "number", name: "rung", required: true, min: 1, onlyInt: true },
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{ type: "number", name: "width", required: true, min: 1, onlyInt: true },
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{ type: "number", name: "height", required: true, min: 1, onlyInt: true },
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{ type: "text", name: "codec", required: true, max: 20 },
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{ type: "number", name: "bitrateBps", required: true, min: 1, onlyInt: true },
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{ type: "number", name: "durationS", required: true, min: 1 },
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{
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type: "file",
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name: "file",
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required: true,
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maxSelect: 1,
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maxSize: 104857600,
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protected: false,
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},
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{ type: "autodate", name: "created", onCreate: true },
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{ type: "autodate", name: "updated", onCreate: true, onUpdate: true },
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],
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indexes: [
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"CREATE UNIQUE INDEX idx_benchmark_clips_key ON benchmark_clips (key)",
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],
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});
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app.save(clips);
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},
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(app) => {
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app.delete(app.findCollectionByNameOrId("benchmark_clips"));
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},
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);
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