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• Local ffmpeg output to S3 Bucket

  21 juillet 2015, par eric

  Heres my setup ;
   I have a local PC running ffmpeg with output configured to h.264 and aac
   and S3 bucket created at AWS

  what i need to do is, use ffmpeg [local] output to upload files directly to s3 bucket.
  PS :
  Planing to use that s3 bucket with cloudfront to allow 1 [one] user to stream a live event with about setup.

  i could not find a way to specify output location as s3 bucket [with key].
  any ideas as to how to do it ? Thanks

• How to obtain the stderr on node-fluent-ffmpeg

  14 mai 2014, par soycabanillas

  Now that the saveToFile callback param has been deprecated :

  FfmpegCommand.prototype.saveToFile = function(targetfile, callback) {
  
      if (callback) {
  
        this.options.logger.warn('saveToFile callback is deprecated, use \'end\' and \'error\' events instead');

  I’ve changed my code from this :

  new ffmpeg({ source: source })
  
              .toFormat('ogg')
  
              .saveToFile(path.normalize(targetFile), function(stdout, stderr) {
  
                  console.log('stdout', stdout);
  
                  console.log('stderr', stderr);
  
              });

  to this :

  new ffmpeg({ source: source })
  
      .toFormat('ogg')
  
      .on('end', function() {
  
          console.log('file has been converted succesfully');
  
      })
  
      .on('error', function(err) {
  
          console.log('an error happened: ' + err.message);
  
      })
  
      .saveToFile(path.normalize(targetFile));

  but I don’t know how to obtain the stderr that the old code give me as a param (stderr).
  I know that I can obtain the error message from the on ’error’ event, but I would like to get the stderr to get deeper information about what went wrong.

  Thanks in advance.

• Taking video over an image not giving desired output in ffmpeg

  23 avril 2014, par Amit Chandra

  I am trying to convert a video in square shape(means in equal width and height). for that I am taking one png image from drawable folder(for background) and resizing it using Bitmap class after comparison of height and width of the video.(example if height of the video > width, than i am passing height and vise verse).

  After resizing of image I am adding +20 in image for padding, after that I am passing image Path, Video Path to the ffmpeg command, which suppose to take video over the image and at the center. The ffmpeg command i am using for that is below :

  ffmpeg -i test.flv -loop 1 -i test.png -filter_complex '[0:v]setpts=PTS-STARTPTS[background]" +"[1:v]setpts=PTS-STARTPTS[foreground]" +"[background][foreground]overlay=x=main_w/2-overlay_w/2:y=main_h/2-overlay_h/2:"+"shortest=0[out]"' -map [out] -map 0:a -t 00:00:10 out.mp4

  But I am not able to get the expected output.