add preference option

src/config.rs

@@ -60,6 +60,10 @@ pub struct Config {
 	#[serde(alias = "LIBREDDIT_DEFAULT_USE_HLS")]
 	pub(crate) default_use_hls: Option<String>,
 
+	#[serde(rename = "REDLIB_DEFAULT_FFMPEG_VIDEO_DOWNLOADS")]
+	#[serde(alias = "LIBREDDIT_DEFAULT_FFMPEG_VIDEO_DOWNLOADS")]
+	pub(crate) default_ffmpeg_video_downloads: Option<String>,
+
 	#[serde(rename = "REDLIB_DEFAULT_HIDE_HLS_NOTIFICATION")]
 	#[serde(alias = "LIBREDDIT_DEFAULT_HIDE_HLS_NOTIFICATION")]
 	pub(crate) default_hide_hls_notification: Option<String>,
@@ -129,6 +133,7 @@ impl Config {
 			default_show_nsfw: parse("REDLIB_DEFAULT_SHOW_NSFW"),
 			default_blur_nsfw: parse("REDLIB_DEFAULT_BLUR_NSFW"),
 			default_use_hls: parse("REDLIB_DEFAULT_USE_HLS"),
+			default_ffmpeg_video_downloads: parse("REDLIB_DEFAULT_FFMPEG_VIDEO_DOWNLOADS"),
 			default_hide_hls_notification: parse("REDLIB_DEFAULT_HIDE_HLS_NOTIFICATION"),
 			default_hide_awards: parse("REDLIB_DEFAULT_HIDE_AWARDS"),
 			default_hide_sidebar_and_summary: parse("REDLIB_DEFAULT_HIDE_SIDEBAR_AND_SUMMARY"),
@@ -153,6 +158,7 @@ fn get_setting_from_config(name: &str, config: &Config) -> Option<String> {
 		"REDLIB_DEFAULT_SHOW_NSFW" => config.default_show_nsfw.clone(),
 		"REDLIB_DEFAULT_BLUR_NSFW" => config.default_blur_nsfw.clone(),
 		"REDLIB_DEFAULT_USE_HLS" => config.default_use_hls.clone(),
+		"REDLIB_DEFAULT_FFMPEG_VIDEO_DOWNLOADS" => config.default_ffmpeg_video_downloads.clone(),
 		"REDLIB_DEFAULT_HIDE_HLS_NOTIFICATION" => config.default_hide_hls_notification.clone(),
 		"REDLIB_DEFAULT_WIDE" => config.default_wide.clone(),
 		"REDLIB_DEFAULT_HIDE_AWARDS" => config.default_hide_awards.clone(),

src/settings.rs

@@ -19,7 +19,7 @@ struct SettingsTemplate {
 
 // CONSTANTS
 
-const PREFS: [&str; 16] = [
+const PREFS: [&str; 17] = [
 	"theme",
 	"front_page",
 	"layout",
@@ -29,6 +29,7 @@ const PREFS: [&str; 16] = [
 	"show_nsfw",
 	"blur_nsfw",
 	"use_hls",
+	"ffmpeg_video_downloads",
 	"hide_hls_notification",
 	"autoplay_videos",
 	"hide_sidebar_and_summary",

src/utils.rs

@@ -579,6 +579,7 @@ pub struct Preferences {
 	pub hide_hls_notification: String,
 	pub hide_sidebar_and_summary: String,
 	pub use_hls: String,
+	pub ffmpeg_video_downloads: String,
 	pub autoplay_videos: String,
 	pub fixed_navbar: String,
 	pub disable_visit_reddit_confirmation: String,
@@ -615,6 +616,7 @@ impl Preferences {
 			hide_sidebar_and_summary: setting(req, "hide_sidebar_and_summary"),
 			blur_nsfw: setting(req, "blur_nsfw"),
 			use_hls: setting(req, "use_hls"),
+			ffmpeg_video_downloads: setting(req, "ffmpeg_video_downloads"),
 			hide_hls_notification: setting(req, "hide_hls_notification"),
 			autoplay_videos: setting(req, "autoplay_videos"),
 			fixed_navbar: setting_or_default(req, "fixed_navbar", "on".to_string()),

templates/settings.html

@@ -91,6 +91,15 @@
 					<input type="hidden" value="off" name="use_hls">
 					<input type="checkbox" name="use_hls" id="use_hls" {% if prefs.use_hls == "on" %}checked{% endif %}>
 				</div>
+				<div class="prefs-group">
+					<label for="ffmpeg_video_downloads">Use ffmpeg.wasm to download videos</label>
+					<details id="feeds">
+						<summary>Why?</summary>
+						<div id="feed_list" class="helper">Downloading videos with audio requires ffmpeg (via ffmpeg.wasm) to be enabled to combine video and audio tracks. Therefore, this toggle lets you either use Redlib WebAssembly-free or utilize this feature. (videos will still play with audio)</div>
+					</details>
+					<input type="hidden" value="off" name="ffmpeg_video_downloads">
+					<input type="checkbox" name="ffmpeg_video_downloads" id="ffmpeg_video_downloads" {% if prefs.ffmpeg_video_downloads == "on" %}checked{% endif %}>
+				</div>
 				<div class="prefs-group">
 					<label for="hide_hls_notification">Hide notification about possible HLS usage</label>
 					<input type="hidden" value="off" name="hide_hls_notification">
@@ -148,7 +157,7 @@
 
 	<div id="settings_note">
 		<p><b>Note:</b> settings and subscriptions are saved in browser cookies. Clearing your cookies will reset them.</p><br>
-		<p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&post_sort={{ prefs.post_sort }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&use_hls={{ prefs.use_hls }}&hide_hls_notification={{ prefs.hide_hls_notification }}&hide_awards={{ prefs.hide_awards }}&fixed_navbar={{ prefs.fixed_navbar }}&subscriptions={{ prefs.subscriptions.join("%2B") }}&filters={{ prefs.filters.join("%2B") }}">this link</a>.</p>
+		<p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&post_sort={{ prefs.post_sort }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&use_hls={{ prefs.use_hls }}&ffmpeg_video_downloads={{ prefs.ffmpeg_video_downloads }}&hide_hls_notification={{ prefs.hide_hls_notification }}&hide_awards={{ prefs.hide_awards }}&fixed_navbar={{ prefs.fixed_navbar }}&subscriptions={{ prefs.subscriptions.join("%2B") }}&filters={{ prefs.filters.join("%2B") }}">this link</a>.</p>
 	</div>
 </div>