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• ffmpeg Installation Error Through Homebrew

  19 décembre 2022, par Bob Bob

  I was looking to download ffmpeg to convert some mp4/mp3 files in python but was met with an error I could not find the solution for elsewhere.

  


  When attempting to install ffmpeg on terminal, I was met by this error.

  


  fatal: Could not resolve HEAD to a revision Warning: No available formula with the name "ffmpeg". ==> Searching for similarly named formulae... Error: No similarly named formulae found. ==> Searching for a previously deleted formula (in the last month)... Error: No previously deleted formula found. ==> Searching taps on GitHub... Error: No formulae found in taps.

  


  I was expecting everything to work perfectly but obviously it hasn't. I looked into other users that had similar errors and went through what they did to solve their problems but was not able get anything to work out.

  


• avutil/error : Add AVERROR_INPUT_CHANGED & AVERROR_OUTPUT_CHANGED to error_entries[]

  10 octobre 2014, par Michael Niedermayer

  avutil/error : Add AVERROR_INPUT_CHANGED & AVERROR_OUTPUT_CHANGED to error_entries[]
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] libavutil/error.c

• Displaying RTSP-Stream using Xuggler : org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 34 60, bytestream (td)

  7 juin 2017, par Wenonah

  I’m new to displaying RTSP-Streams and Xuggler, so I really don’t know what to do.

  I’m trying to display the Main-Stream of my IP-Camera in a Java-Swing Window and get this :

  

  I also get these errors :

  13:21:45.941 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 8 7, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 34 60, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 8 36, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 68 62, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 118 38, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 60 62, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] cabac decode of qscale diff failed at 1 7
  13:21:46.940 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 1 7, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 28 37, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 18 35, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 17 41, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 53 32, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 31 29, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 21 29, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] left block unavailable for requested intra mode at 0 35
  13:21:49.902 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 0 35, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 17 21, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 46 10, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 109 28, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 60 10, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 11 14, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 101 9, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 76 9, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 86 11, bytestream (td)
  17:47:04.192 [main] ERROR org.ffmpeg - [h264 @ 15AC7660] error while decoding MB 60 24, bytestream (td)
  

  This is part of the code that I use :

  private IMediaListener mediaListener = new MediaListenerAdapter() {
  
  
  
      @Override
  
      public void onVideoPicture(IVideoPictureEvent event) {
  
          try {
  
              BufferedImage bi = event.getImage();
  
              if (bi != null)
  
                  updateWindow(bi);
  
          } catch (Exception ex) {
  
              LOG.error("Error getting Image from IVideoPictureEvent: " + ex);
  
          }
  
      }
  
  };
  
  
  
  public DisplayWindow() {
  
      display();
  
  }
  
  
  
  private void display() {
  
      IMediaReader mediaReader = ToolFactory
  
              .makeReader("rtsp://user:password@192.168.1.22:554/Streaming/Channels/1");
  
  
  
      mediaReader
  
              .setBufferedImageTypeToGenerate(BufferedImage.TYPE_3BYTE_BGR);
  
      mediaReader.setQueryMetaData(false);
  
      mediaReader.addListener(mediaListener);
  
  
  
      openWindow();
  
  
  
      while (true) {
  
          IError error = null;
  
          if(mediaReader != null){
  
              error = mediaReader.readPacket();
  
              if(error != null){
  
                  LOG.error("Error at mediaReader.readPacket(): " + error);
  
              }
  
          }
  
      }
  
  }

  Displaying the Sub-Stream (which has lower resolution) works well.

  I use Xuggler 5.4 with Maven.

  There probably is a simple solution to this problem, but I’ve searched the whole internet and haven’t found one, so I’d appreciate any help. Thank you !

  UPDATE : I’d also be happy about (free !) alternatives to Xuggler.