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fix: ffmpeg now uses right encoder for every supported input format

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theoleuthardt 2025-02-22 23:27:33 +01:00
parent f16661d1fd
commit 21a68e87e7
2 changed files with 16 additions and 6 deletions
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21
backend/src/routes/videotoaudio.route.ts
View file

@ -11,9 +11,14 @@ interface ConversionOptions {
channels?: number; channels?: number;
sampleRate?: number; sampleRate?: number;
} }
let options: ConversionOptions; let options: ConversionOptions;
const ffmpegEncoder: { [key: string]: string } = {
".mp3": "libmp3lame",
".wav": "pcm_s16le",
".aac": "aac",
};
export async function videoToAudio(app: FastifyInstance) { export async function videoToAudio(app: FastifyInstance) {
app.post( app.post(
"/api/video-to-audio", "/api/video-to-audio",
@ -30,7 +35,7 @@ export async function videoToAudio(app: FastifyInstance) {
let fileBuffer: Buffer | null = null; let fileBuffer: Buffer | null = null;
options = { options = {
format: "mp3", format: "",
bitrate: "192k", bitrate: "192k",
channels: 2, channels: 2,
sampleRate: 44100, sampleRate: 44100,
@ -42,7 +47,7 @@ export async function videoToAudio(app: FastifyInstance) {
} else if (part.type === "field") { } else if (part.type === "field") {
const field = part as MultipartValue<string>; const field = part as MultipartValue<string>;
switch (field.fieldname) { switch (field.fieldname) {
case "format": case "outputFormat":
const format = field.value.toLowerCase(); const format = field.value.toLowerCase();
options.format = format; options.format = format;
break; break;
@ -63,6 +68,8 @@ export async function videoToAudio(app: FastifyInstance) {
return reply.status(400).send({ error: "No file uploaded!" }); return reply.status(400).send({ error: "No file uploaded!" });
} }
console.log("options", options);
await fs.writeFile(inputPath, fileBuffer); await fs.writeFile(inputPath, fileBuffer);
await new Promise<void>((resolve, reject) => { await new Promise<void>((resolve, reject) => {
@ -71,7 +78,7 @@ export async function videoToAudio(app: FastifyInstance) {
inputPath, inputPath,
"-vn", "-vn",
"-acodec", "-acodec",
options.format === "mp3" ? "libmp3lame" : options.format, ffmpegEncoder[options.format],
"-ab", "-ab",
options.bitrate || "192k", options.bitrate || "192k",
"-ac", "-ac",
@ -83,8 +90,12 @@ export async function videoToAudio(app: FastifyInstance) {
const ffmpeg = spawn("ffmpeg", args); const ffmpeg = spawn("ffmpeg", args);
ffmpeg.stdout.on("data", (data) => {
console.log(`ffmpeg stdout: ${data}`);
});
ffmpeg.stderr.on("data", (data) => { ffmpeg.stderr.on("data", (data) => {
console.log(`ffmpeg stderr: ${data}`); console.error(`ffmpeg stderr: ${data}`);
}); });
ffmpeg.on("close", (code) => { ffmpeg.on("close", (code) => {

1
frontend/src/app/video-to-audio/page.tsx
View file

@ -114,7 +114,6 @@ export default function DocConverter() {
const selectedFormat = const selectedFormat =
event.currentTarget.textContent?.trim() || ""; event.currentTarget.textContent?.trim() || "";
setSelectedOutputFormat(selectedFormat); setSelectedOutputFormat(selectedFormat);
console.log(selectedOutputFormat);
}} }}
/> />
</div> </div>