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• HD FLV video playing slow

  16 décembre 2012, par Neon Flash

  I have a few videos which I have captured from a Live Streaming Media Server and they are in FLV Format. Now, the problem is, though the videos are captured completely but when I play them in VLC Media Player, they play very slowly, almost frame by frame like a slideshow.

  Here are the details of the Video codec, audio codec, bitrate and other details of the video which I got using ffmpeg :

  [flv @ 0051e9a0] Invalid keyframes object, skipping.
  
  [flv @ 0051e9a0] Keyframe index parsing failed
  
  Input #0, flv, from 'tofix.flv':
  
    Metadata:
  
      audiodelay      : 0
  
      audiosize       : 6607344
  
      canSeekToEnd    : false
  
      datasize        : 271773993
  
      hasAudio        : true
  
      hasCuePoints    : false
  
      hasKeyframes    : true
  
      hasMetadata     : true
  
      hasVideo        : true
  
      lastkeyframetimestamp: 424
  
      lasttimestamp   : 425
  
      metadatacreator : inlet media FLVTool2 v1.0.6 - http://www.inlet-media.de/fl
  
  vtool2
  
      videosize       : 265143027
  
    Duration: 00:07:04.62, start: 0.000000, bitrate: 1903 kb/s
  
      Stream #0:0: Video: flv1, yuv420p, 960x540, 5112 kb/s, 29.97 tbr, 1k tbn, 1k
  
   tbc
  
      Stream #0:1: Audio: mp3, 44100 Hz, stereo, s16, 112 kb/s
  
  At least one output file must be specified

  The bit rate is 1903 kbps and the codec is flv1.

  I also captured some other videos from the server which are in h.264 codec with a bit rate of 563 kbps and they play properly.

  Is there a way I can play these high definition FLV files in my media player smoothly ?

  It would be great if this is possible.

  I have tried converting the FLV video to AVI using ffmpeg, however, the issue still remains.

• C# process and ffmpeg output pipe

  21 novembre 2018, par Konrad

  I’m trying to replicate the following call from command line in C# :

  C:\Temp\Proj\FFmpeg\bin\ffmpeg.exe -re -i C:\test\test.ts -map data-re -codec copy -f data - | java -jar C:\Temp\Proj\FFmpeg\bin\AnotherProj.jar 1

  As you can see, FFmpeg pipes the data into an app built with Java. And my implementation :

  var x = RunCmdProcess($"/C {_ffmpegPath} -re -i {_videoPath} - map data-re -codec copy -f data - | java -jar {_anotherProjPath} 1", out outputMessage);
  
  
  
  protected Process RunCmdProcess(string arguments, out string outputMessage)
  
              {
  
                  ProcessStartInfo p = new ProcessStartInfo("cmd.exe");
  
                  p.RedirectStandardOutput = true;
  
                  p.RedirectStandardError = true;
  
                  p.RedirectStandardInput = true;
  
                  p.UseShellExecute = false;
  
                  p.CreateNoWindow = true;
  
                  p.WindowStyle = ProcessWindowStyle.Hidden;
  
                  p.Arguments = arguments;
  
  
  
                  var sb = new StringBuilder();
  
  
  
                  var x = Process.Start(p);
  
  
  
                  var stdOut = x.StandardOutput.ReadToEnd();
  
                  var stdErr = x.StandardError.ReadToEnd();
  
  
  
                  sb.Append(stdOut);
  
                  if (!string.IsNullOrEmpty(stdErr)) sb.Append(stdErr);
  
                  x.WaitForExit();
  
                  outputMessage = sb.ToString();
  
                  return x;
  
              }

  The result of the following call is :

  [NULL @ 0000028335e82380] Unable to find a suitable output format for ’pipe :’
  pipe: : Invalid argument

  I double checked the paths to the files given in the RunCmdProcess function as well as tried enclosing the arguments (after /C) with quotation marks. No matter what I try, I still get the same error from FFmpeg.

• CDN Stream Play Video + Audio With Referer ?

  30 avril 2020, par lavara123

  This is orginal site play script :

  



  


  


  const player = jwplayer("player").setup({
					title: "Extraction",
					description: "2020",
					file: "https://cdn.rapidvideocdn.xyz/videoplayback/1598e8ae991e78c6d87cf31b5e5db280be1012101221e017b1b20f8331f820fbh",
					tracks: [{"file":"https:\/\/sinefy.com\/subtitles\/tt8936646.tr.vtt","label":"T\u00fcrk\u00e7e","kind":"captions","default":true}],					image: "https://sinefy.com/uploads/series/cover/extraction-2020.jpg",					type: "application/vnd.apple.mpegurl",
					playbackRateControls: true,
					preload: "auto",
					autostart: autopl,
					hlshtml: true,
					androidhls: true,
					stagevideo: false,
					"primary": "html5"
				})

  


  


  




  this is HLS (Fragmented MP4) url open with referer :

  



  https://cdn.rapidvideocdn.xyz/videoplayback/1598e8ae991e78c6d87cf31b5e5db280be1012101221e017b1b20f8331f820fbh


  



  referer :

  



  https://sinefy.com/api/runner/80d4d32765c4d9466bf646958663f902


  



  i'm play code :

  



  ffmpeg -referer "https://sinefy.com/api/runner/80d4d32765c4d9466bf646958663f902" -i "https://e1-ad930d.rapidvideocdn.xyz/videoplayback/6d3d454e9fd30ac1a7ed678ff1d77e325" -f hls -vcodec libx264 -crf 27 -preset veryfast  -c:a copy - | ffplay -


  



  but no sound ?