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• Error : Error : Cannot find module '@ffmpeg.wasm/core-mt' Require stack :

  30 septembre 2023, par James

  I'm getting this error "Error : Error : Cannot find module '@ffmpeg.wasm/core-mt', When my code is deployed on Vercel (Node.js + TypeScript) Does I get confused because when I try to run the same code on my local machine it works fine

  


  But as I deploy it on Vercel it gives that error. Obviously, i do have "@ffmpeg.wasm/core-mt" installed as said in the package https://github.com/FFmpeg-wasm/FFmpeg.wasm#installation So how do I fix it ?

  


  I'm currently using it like this

  


  import { FFmpeg } from "@ffmpeg.wasm/main";

async function myFunction() {
    const ffmpeg = await FFmpeg.create({
        core: "@ffmpeg.wasm/core-mt",
        log: true,
    });
}


  


  However, in the docs, i see doing like this

  


    import { FFmpeg } from "@ffmpeg.wasm/main";
    
     const ffmpeg = await FFmpeg.create({
            core: "@ffmpeg.wasm/core-mt",
            log: true,
        });

    async function myFunction() {
        // use ffmpeg here
    }


  


  But then i start getting errors like "top-level 'await' expressions are only allowed when the 'module' option is set to 'es2022', 'esnext', 'system', 'node16', or 'nodenext', and the 'target' option is set to 'es2017' or higher."

  


  I tried a couple of StackOverflow solutions but nothing works in my case. So what should I do ?

  


  tsconfig.json :

  


  {
    "compilerOptions": {
     "module": "CommonJS",
     "esModuleInterop": true,
      "allowSyntheticDefaultImports": true,
      "target": "es2017",
      "noImplicitAny": true,
      "moduleResolution": "node",
      "sourceMap": true,
      "outDir": "dist",
      "baseUrl": ".",
      "paths": {
        "*": ["node_modules/*", "src/types/*"]
      }
    },
    "include": ["./src/**/*", "src/firebase/serviceAccountKey.ts"]
  }


  


• How to download audio and video as separate files and specify the output format and filename for each ?

  14 novembre 2023, par Taako

  I'd like to download a video as separate files for both audio and video and have them named [video_id]-audio.wav and [video_id]-video.mp4

  


  How do i get yt-dlp to download the video and audio separately, then convert each to the specified output format and rename them as such ?

  


  Right now I can get them each downloaded separately but the naming isnt working out.

  


  I could also use ffmpeg separately to convert the video and audio formats after they are downloaded, so all i really need is to have the audio and video files downloaded and named

  


  Right now my args are

  


  YT_OPTIONS = {
    'format': 'bestvideo[height<=720]+bestaudio/best[height<=720]',
    'extractaudio': True,
    'keepvideo': True,
    'outtmpl': '%(id)s-%(format)s.%(ext)s',
    'restrictfilenames': True,
    'noplaylist': True
}


  


  but the format is just coming out as 247_-_1280x720_720p_+251_-_audio_only_medium and whats worse is it is the same for both the audio only and video only files just one has 251 and the other has 247.

  


• Converting Gstreamer pipeline to ffmpeg options for rtsp stream

  3 novembre 2020, par Himanshu Verma

  I am using gstreamer pipeline for streaming rtsp enabled IP camera video feed, now i want to use ffmpeg for streaming the same camera. I am not very much aware about the ffmpeg options. Can someone convert below gstreamer pipeline to ffmpeg options ?

  


  rtspsrc location=rtsp://root:pass@192.168.0.101:554/axis-media/media.amp short-header=TRUE ! rtph264depay ! video/x-h264,stream-format=byte-stream,alignment=au ! appsink sync=TRUE emit-signals=TRUE name=appsink-video