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• Free music recognition API

  12 mars 2014, par AmirH

  I'm developing an application to recognize the music played by speakers. It records 32 seconds of the sound played and send a request via an API of music recognition. So far I used Echonest. But my api_key has been banned because of to many requests since I published my freeware, used by more than 200 users.

  So I looked for MusicBrainz but it needs the exact duration of the entire song to receive a acceptable response, duration that my application can't guess.

  So I'm looking for a free music recognition API so my freeware works. Do you know one ?

  Note : I used Echonest by :

  • capturing 32 seconds with ffmpeg

  • sending this command via cURL :

    curl -F "api_key=XXX" -F "filetype=mp3" -F "track=@sound.mp3" "http://developer.echonest.com/api/v4/track/upload" > info.txt

  I tried to use MusicBrainz by :

  • capturing 32 seconds with ffmpeg

  • generating the fingerprint using Chromaprint with this command :

    fpcalc sound.mp3 > fingerprint.txt

  • sending this command via cURL :

    curl -F "client=XXX" -F "meta=recordings" -F "duration=32" -F "fingerprint=ABC" "http://api.acoustid.org/v2/lookup" > info.txt

• ffmpeg in server cant upload video over 4 minutes

  12 octobre 2020, par Victor01288888

  here's my code

  


    ffmpeg(stream)
      .output(videoPath)
      .on("start", function () {
        console.log("Starting video compression... please wait...");
      })
      .on("error", function (err) {
        console.log("Something went wrong: " + err.message + " " + err.name);
      })
      .outputOptions(
        "-vcodec",
        "libx264",
        "-crf",
        "35", // change the crf value: high = lower quality & size, low = higher quality & size
        "-format",
        "mp4"
      )
      .on("progress", function (progress) {
        console.log(
          "Processing: " +
            Math.round(progress.currentKbps / progress.targetSize) +
            "% done"
        );
      })
      .on("end", async function () {
        console.log("[ffmpeg] processing done");
        // finish compressing then upload to S3
        console.log("uploading to S3... please wait");
        // const stream2 = await fileType.stream(createReadStream());
        let stream2 = fs.createReadStream(videoPath);
        // saving data in aws(s3)
        let origin = uploadToS3(`${newFileName}`);
        stream2.pipe(origin.writeStream);

        origin && (await origin.promise);
        await Video.updateOne({ _id: video._id }, { status: "success" });

        // del tmp video
        fs.unlink(videoPath, (err) => {
          if (err) {
            console.error(err);
          }
          console.log("Converted file delete from tmp folder server");
        });
      })
      .run();


  


  I uses this code in my server.
If I upload video in 1 minute it's ok.
But when I upload one more then 4 minute it just not appears in AWS.
and the journey only writes 0% without any error.

  


• On upload rename the file to input.mp4 not working [SOLVED]

  14 février 2015, par T.A.R.D.I.S_wolf

  Ok so i’m trying to make it to were the file is uploaded then renamed to input.mp4 so that it over rights the old one. But its not working ?

  But it still keeps uploading with the original file name.
  Or is there a way to just delete the files in the folder uploads after 30 min ? Both the uploaded file and output file.

  <?php
  
  $fileName = $_FILES["file1"]["name"]; // The file name
  
  $fileTmpLoc = $_FILES["file1"]["tmp_name"]; // File in the PHP tmp folder
  
  $fileType = $_FILES["file1"]["type"]; // The type of file it is
  
  $fileSize = $_FILES["file1"]["size"]; // File size in bytes
  
  $fileErrorMsg = $_FILES["file1"]["error"]; // 0 for false... and 1 for true
  
  if (!$fileTmpLoc) { // if file not chosen
  
      echo "ERROR: Please browse for a file before clicking the upload button.";
  
      exit();
  
  }
  
  
  
      $newfilename = $fileName . input.mp4';
  
      rename($fileName, $newfilename);
  
  
  
  if(move_uploaded_file($fileTmpLoc, "uploads/$newfilename")){
  
  
  
    echo "Starting ffmpeg... <br />";
  
    echo shell_exec("ffmpeg -y -i uploads/".$newfilename." uploads/output.mp3");
  
    echo "Done. <br /><br />";
  
  
  
  echo '<a href="http://test.tw-wcs.com:82/ffmpeg/MP4_To_MP3/uploads/output.mp3" target="_blank">Click Here</a> To open your file in a new tab.';
  
  
  
  } else {
  
      echo "move_uploaded_file function failed";
  
  }
  
  ?>