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• ffprobe or avprobe not found. Please install one

  13 février 2024, par Anass

  I want to add tags to mp3 converted by youtube-dl & ffmpeg :

  


  


  youtube-dl -o
'/Output/qpgTC9MDx1o.mp3' qpgTC9MDx1o -f bestaudio —extract-audio —metadata-from-title "%(artist)s -
%(title)s" 2>&1

  


  


  I have this error in the output result :

  


  


  [youtube] qpgTC9MDx1o : Downloading webpage [youtube] qpgTC9MDx1o :
Extracting video information [youtube] qpgTC9MDx1o : Downloading js
player en_US-vfluGO3jj [youtube] qpgTC9MDx1o : Downloading DASH
manifest [download]
/var/www/vhosts/mp3-y.com/httpdocs/Mp3_Output/quick-mp3.com-JALAL-EL-HAMDAOUI-2007-ARRASSIATES-VOL2-F1P-9CDoxlQ.mp3
has already been downloaded [download] 100% of 13.43MiB WARNING :
qpgTC9MDx1o : writing DASH m4a. Only some players support this
container. Install ffmpeg or avconv to fix this automatically.
[fromtitle] parsed artist : Maroon 5 [fromtitle] parsed title : Animals
ERROR : ffprobe or avprobe not found. Please install one.

  


  


• ffprobe or avprobe not found. Please install one

  24 janvier 2017, par Anass El Fakir

  i want to add tags to mp3 converted by youtube-dl & ffmpeg :

  youtube-dl -o
  ’/Output/qpgTC9MDx1o.mp3’ qpgTC9MDx1o -f bestaudio —extract-audio —metadata-from-title "%(artist)s -
   %(title)s" 2>&1

  i have this error in output result :

  [youtube] qpgTC9MDx1o : Downloading webpage [youtube] qpgTC9MDx1o :
  Extracting video information [youtube] qpgTC9MDx1o : Downloading js
  player en_US-vfluGO3jj [youtube] qpgTC9MDx1o : Downloading DASH
  manifest [download]
  /var/www/vhosts/mp3-y.com/httpdocs/Mp3_Output/quick-mp3.com-JALAL-EL-HAMDAOUI-2007-ARRASSIATES-VOL2-F1P-9CDoxlQ.mp3
  has already been downloaded [download] 100% of 13.43MiB WARNING :
  qpgTC9MDx1o : writing DASH m4a. Only some players support this
  container. Install ffmpeg or avconv to fix this automatically.
  [fromtitle] parsed artist : Maroon 5 [fromtitle] parsed title : Animals
  ERROR : ffprobe or avprobe not found. Please install one.

• HLS audio stream choppy in iOS and Mac Safari - but ok in Chrome, VLC

  30 avril 2024, par Elliot

  I have an HLS stream that seems to have the audio cut out and then return randomly. This only occurs on iOS devices, and Safari on Mac OS. It works fine on Desktop VLC, but not iOS VLC (as in, the audio never cuts out).

  


  More confusing still - if we have multiple developers listening to the same HLS stream on different devices at the same time, we all hear the audio cut out and the return at the same time. So clearly something is wrong with the stream itself.

  


  We create a dash stream from FFMPEG, and then create an HLS manifest in parallel.

  


     transcoder
            // Right now this is the max we'll get
            .audioBitrate('64k')
            // We only have 1 channel
            .audioChannels(1)
            // Enable experimental features ldash/lhls
            .outputOption('-strict', 'experimental')
            // Set url for syncing UTC timestamps with client
            .outputOption('-utc_timing_url', 'https://time.akamai.com/?iso')
            .outputOption('-write_prft', '1')
            // Streaming mode
            .outputOption('-streaming', '1')
            // Use segment file template so we dont list all segments in the manifest
            .outputOption('-use_template', '1')
            // Must be disabled for index_correction which is suggested for streaming use case
            .outputOption('-use_timeline', '0')
            // Fix up segment indexes if they drift due to bandwidth changes
            .outputOption('-index_correction', '1')
            //  Use 6 second segments, for live this shouldn't matter but this is Apple's suggested
            //  value for HLS
            .outputOption('-seg_duration', '6')
            // Push the frames out as fast as they come in
            .outputOption('-frag_type', 'every_frame')
            // Use mp4 segments
            .outputOption('-dash_segment_type', 'mp4')
            // Enabled low-latency mode
            .outputOption('-ldash', '1')
            // Output an HLS playlist too
            .outputOption('-hls_playlist', this.options.hlsEnabled ? '1' : '0')
            // HLS manifest name
            .outputOption('-hls_master_name', 'index.m3u8')
            // Use persistent HTTP connection
            .outputOption('-http_persistent', '1')
            // Do PUTs to the upload endpoint
            .outputOption('-method', 'PUT')
            // Dont let an output error hold up the stream
            .outputOption('-ignore_io_errors', '1')
            // Set a timeout for output
            .outputOption('-timeout', '1')
            // DASH format
            .format('dash');


  


  Does anyone have any suggestions for what we should dig into next ?