Switching machines, ffmpeg + readable byte stream

.run/Test.run.xml

@@ -0,0 +1,5 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Test" type="DenoConfigurationType" inputPath="$PROJECT_DIR$" programParameters="test">
+    <method v="2" />
+  </configuration>
+</component>

README.md

@@ -12,3 +12,5 @@ Do not edit, EXTEND or otherwise play with ANY variable, unless you UNDERSTAND t
 
 [Read Before Use](DISCLAIMER.md) you've been warned.
 
+- ffmpeg
+  `deno run --unstable --allow-read --allow-run https://github.com/Snider/Enchatrix/lib/media/video/fmpeg.ts`

deno.json

@@ -2,7 +2,8 @@
   "compilerOptions": {
     "target": "esnext",
     "lib": [
-      "deno.ns"
+      "deno.ns",
+      "dom"
     ]
   },
   "lint": {

lib/log.ts

@@ -0,0 +1,14 @@
+export class EnchantrixLog {
+
+	constructor(entry: string, level: number = 1) {
+		switch (level) {
+			case 0:
+				break;
+			case 1:
+				console.log(entry)
+				break
+			case 2:
+				console.warn(entry)
+		}
+	}
+}

lib/media/video/fmpeg.ts

@@ -0,0 +1,21 @@
+#!deno run --unstable --allow-read --allow-run
+
+import { ffmpeg } from "https://deno.land/x/fast_forward@0.1.6/ffmpeg.ts";
+
+await ffmpeg("https://www.w3schools.com/html/mov_bbb.mp4")
+	// Global encoding options (applied to all outputs).
+	.audioBitrate("192k")
+	.videoBitrate("1M")
+	.width(480)
+	.height(640)
+	// Ouput 1.
+	.output("output.mp4")
+	.audioCodec("aac")
+	.videoCodec("libx264")
+	// Ouput 2.
+	.output("output.webm")
+	.audioCodec("libvorbis")
+	.videoCodec("libvpx-vp9")
+	.encode();
+
+console.log("All encodings done!");

lib/parse/file.test.ts

@@ -0,0 +1,9 @@
+import { assertEquals } from "https://deno.land/std@0.122.0/testing/asserts.ts";
+import { EnchantrixParseFile } from "./file.ts";
+
+// Compact form: name and function
+Deno.test("IN: Snider OUT: r3dinS", () => {
+	const x = new EnchantrixParseFile(".dataset/Dont-Panic.webp").load();
+	assertEquals(x, "r3dinS");
+});
+

lib/parse/file.ts

@@ -0,0 +1,33 @@
+#!deno run --allow-read --allow-net
+
+import * as path from "https://deno.land/std@0.122.0/path/mod.ts";
+import { readableStreamFromReader } from "https://deno.land/std@0.122.0/streams/mod.ts";
+import {EnchantrixLog} from '../log.ts';
+
+export class EnchantrixParseFile {
+
+	protected _input: string;
+	protected _data: any;
+
+	constructor(file: string) {
+		this._input = file;
+	}
+
+	load() {
+
+		try {
+			this._data = Deno.openSync(this._input, { read: true });
+			const stat = this._data.statSync();
+
+		} catch {
+			throw new EnchantrixLog('Failed to load file')
+		}
+
+// Build a readable stream so the file doesn't have to be fully loaded into
+// memory while we send it
+		const readableStream = readableStreamFromReader(this._data);
+
+		return readableStream
+
+	}
+}