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

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