From 8db285fe89d0dc809896e887a2e44a17bc1ae5ad Mon Sep 17 00:00:00 2001
From: Ingo Oppermann <ingo@datarhei.com>
Date: Fri, 20 Sep 2024 16:38:06 +0200
Subject: [PATCH] Add libfdk_aac support

---
 src/misc/coders/Encoders/audio/aac_libfdk.js | 102 +++++++++++++++++++
 src/misc/coders/Encoders/index.js            |   2 +
 2 files changed, 104 insertions(+)
 create mode 100644 src/misc/coders/Encoders/audio/aac_libfdk.js

diff --git a/src/misc/coders/Encoders/audio/aac_libfdk.js b/src/misc/coders/Encoders/audio/aac_libfdk.js
new file mode 100644
index 0000000..5555687
--- /dev/null
+++ b/src/misc/coders/Encoders/audio/aac_libfdk.js
@@ -0,0 +1,102 @@
+import React from 'react';
+
+import Grid from '@mui/material/Grid';
+
+import Audio from '../../settings/Audio';
+import Helper from '../../helper';
+
+function init(initialState) {
+	const state = {
+		bitrate: '64',
+		...initialState,
+	};
+
+	return state;
+}
+
+function createMapping(settings, stream, skills) {
+	stream = Helper.InitStream(stream);
+	skills = Helper.InitSkills(skills);
+
+	const local = ['-codec:a', 'libfdk_aac', '-b:a', `${settings.bitrate}k`, '-shortest'];
+
+	if (stream.codec === 'aac') {
+		local.push('-bsf:a', 'aac_adtstoasc');
+	}
+
+	const mapping = {
+		global: [],
+		local: local,
+		filter: [],
+	};
+
+	return mapping;
+}
+
+function Coder(props) {
+	const settings = init(props.settings);
+	const stream = Helper.InitStream(props.stream);
+	const skills = Helper.InitSkills(props.skills);
+
+	const handleChange = (newSettings) => {
+		let automatic = false;
+		if (!newSettings) {
+			newSettings = settings;
+			automatic = true;
+		}
+
+		props.onChange(newSettings, createMapping(newSettings, stream, skills), automatic);
+	};
+
+	const update = (what) => (event) => {
+		const value = event.target.value;
+
+		const newSettings = {
+			...settings,
+			[what]: value,
+		};
+
+		handleChange(newSettings);
+	};
+
+	React.useEffect(() => {
+		handleChange(null);
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, []);
+
+	return (
+		<Grid container spacing={2}>
+			<Grid item xs={12}>
+				<Audio.Bitrate value={settings.bitrate} onChange={update('bitrate')} allowCustom />
+			</Grid>
+		</Grid>
+	);
+}
+
+Coder.defaultProps = {
+	stream: {},
+	settings: {},
+	skills: {},
+	onChange: function (settings, mapping) {},
+};
+
+const coder = 'libfdk_aac';
+const name = 'AAC (libfdk)';
+const codec = 'aac';
+const type = 'audio';
+const hwaccel = false;
+
+function summarize(settings) {
+	return `${name}, ${settings.bitrate} kbit/s`;
+}
+
+function defaults(stream, skills) {
+	const settings = init({});
+
+	return {
+		settings: settings,
+		mapping: createMapping(settings, stream, skills),
+	};
+}
+
+export { coder, name, codec, type, hwaccel, summarize, defaults, Coder as component };
diff --git a/src/misc/coders/Encoders/index.js b/src/misc/coders/Encoders/index.js
index 8853715..e6bf7ee 100644
--- a/src/misc/coders/Encoders/index.js
+++ b/src/misc/coders/Encoders/index.js
@@ -2,6 +2,7 @@ import * as AudioCopy from './audio/copy';
 import * as AudioNone from './audio/none';
 import * as AAC from './audio/aac';
 import * as AACAudioToolbox from './audio/aac_audiotoolbox';
+import * as AACFDK from './audio/aac_libfdk';
 import * as Libopus from './audio/opus_libopus';
 import * as Libvorbis from './audio/vorbis_libvorbis';
 import * as MP3 from './audio/mp3_libmp3lame';
@@ -115,6 +116,7 @@ audioRegistry.Register(AudioCopy);
 audioRegistry.Register(AudioNone);
 audioRegistry.Register(AAC);
 audioRegistry.Register(AACAudioToolbox);
+audioRegistry.Register(AACFDK);
 audioRegistry.Register(MP3);
 audioRegistry.Register(Opus);
 audioRegistry.Register(Libopus);