fix: audio to video conversion fixes

all but 4 formats (amv, mpg, mpeg, vob) convert successfully from quick tests rn. took way too long to test and fix these.

also remove video formats that do not like audio tracks from being shown for audio -> video conversions

src/lib/components/functional/FormatDropdown.svelte

@@ -156,12 +156,23 @@
 		);
 	});
 
+	// TODO: better hiddenFormats logic lol
 	const filteredData = $derived.by(() => {
 		const activeCategory =
 			currentCategory && availableCategories.includes(currentCategory)
 				? currentCategory
 				: availableCategories[0];
 
+		const hiddenFormats: string[] = [];
+
+		// if audio to video, hide these video formats (because they do not want audio tracks lol)
+		const nonAudioVideoFormats = [".gif", ".webp", ".apng", ".h264"];
+		if (
+			activeCategory === "video" &&
+			categories["audio"]?.formats.includes(from ?? "")
+		)
+			hiddenFormats.push(...nonAudioVideoFormats);
+
 		// if no query, return formats for current category
 		if (!searchQuery) {
 			const formats = getFormats(activeCategory ?? "");
@@ -182,7 +193,7 @@
 
 			return {
 				categories: availableCategories,
-				formats,
+				formats: formats.filter((f) => !hiddenFormats.includes(f)),
 				isFallback: false,
 				resolvedCategory: activeCategory ?? currentCategory,
 			};
@@ -192,7 +203,12 @@
 		const animatedFormats = [".webp", ".apng", ".gif"];
 
 		const matches = (f: string, cat?: string) => {
-			if (!normalize(f).includes(query) || shouldExclude(f)) return false;
+			if (
+				!normalize(f).includes(query) ||
+				shouldExclude(f) ||
+				hiddenFormats.includes(f)
+			)
+				return false;
 			// if imageSequence and image category, only show animated formats
 			if (imageSequence && (cat ?? activeCategory) === "image") {
 				return animatedFormats.includes(f);
@@ -232,7 +248,7 @@
 		// show categories with matches, formats from within resolved category
 		return {
 			categories: matchingCategories,
-			formats,
+			formats: formats.filter((f) => !hiddenFormats.includes(f)),
 			isFallback: false,
 			resolvedCategory,
 		};

src/lib/converters/ffmpeg/ffmpeg.svelte.ts

@@ -554,7 +554,6 @@ export class FFmpegConverter extends Converter {
 					audioBitrateArgs,
 					sampleRateArgs,
 					channelsArgs,
-					tracksArgs,
 				);
 			} else {
 				this.log("Using solid color background");
@@ -565,7 +564,6 @@ export class FFmpegConverter extends Converter {
 					audioBitrateArgs,
 					sampleRateArgs,
 					channelsArgs,
-					tracksArgs,
 				);
 			}
 		}

src/lib/converters/ffmpeg/utils/ffmpeg.ts

@@ -56,7 +56,6 @@ export const avWithArt = (
 	audioBitrateArgs: string[],
 	sampleRateArgs: string[],
 	channelsArgs: string[],
-	tracksArgs: string[],
 ): string[] => {
 	return [
 		"-loop",
@@ -65,6 +64,8 @@ export const avWithArt = (
 		"cover.jpg",
 		"-i",
 		"input",
+		"-map",
+		"0:v:0",
 		"-vf",
 		"scale=trunc(iw/2)*2:trunc(ih/2)*2",
 		"-shortest",
@@ -72,12 +73,13 @@ export const avWithArt = (
 		"yuv420p",
 		"-r",
 		"1",
+		"-map",
+		"1:a:0",
 		...codecArgs,
 		...metadataArgs,
 		...audioBitrateArgs,
 		...sampleRateArgs,
 		...channelsArgs,
-		...tracksArgs,
 		"output" + to,
 	];
 };
@@ -90,7 +92,6 @@ export const avWithBg = (
 	audioBitrateArgs: string[],
 	sampleRateArgs: string[],
 	channelsArgs: string[],
-	tracksArgs: string[],
 ): string[] => {
 	return [
 		"-f",
@@ -99,17 +100,20 @@ export const avWithBg = (
 		"color=c=black:s=512x512:rate=1",
 		"-i",
 		"input",
+		"-map",
+		"0:v:0",
 		"-shortest",
 		"-pix_fmt",
 		"yuv420p",
 		"-r",
 		"1",
+		"-map",
+		"1:a:0",
 		...codecArgs,
 		...metadataArgs,
 		...audioBitrateArgs,
 		...sampleRateArgs,
 		...channelsArgs,
-		...tracksArgs,
 		"output" + to,
 	];
 };