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• why ffmpeg muxingoverhead:unknown ?

  17 mai 2021, par 전재현

  i put on mac terminal ffmpeg -video_size 1280x1344 -r 25 -pix_fmt yuv420p -i /usr/local/bin/yuvdata.yuv image%d.png

  


  the result is always video:121123kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : unknown

  


  how to solve this problem ??
Help me please

  


• Php-ffmpeg “Unknown encoder libfaac” on Windows

  6 mars 2016, par Dev

  I am using laravel 4.2.

  I am working on a project in that user can upload a video and I need to transcode it that it can be played over all kind of devices.

  For transcoding I have added php-ffmpeg package from git hub in my project. According to the instructions I have downloaded ffmpeg package from http://ffmpeg.zeranoe.com/builds and set the ffmpeg.exe’s path into the environment variable Path.

  Now, I tried code below to transcode an uploaded video :

  $ffmpeg = FFMpeg\FFMpeg::create();
  
  $video = $ffmpeg->open($video_path);
  
  $format = new FFMpeg\Format\Video\X264();
  
  $format->setKiloBitrate(1000)
  
          ->setAudioChannels(2)
  
          ->setAudioKiloBitrate(256);
  
  $video->save($format, public_path().$path.$save_filename);

  But it gives error as below :

  [ERROR] ffmpeg version N-70767-gd24af70 Copyright (c) 2000-2015 the FFmpeg developers
  
  [ERROR]   built with gcc 4.9.2 (GCC)
  
  [ERROR]   configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  
  [ERROR]   libavutil      54. 20.100 / 54. 20.100
  
  [ERROR]   libavcodec     56. 28.100 / 56. 28.100
  
  [ERROR]   libavformat    56. 25.101 / 56. 25.101
  
  [ERROR]   libavdevice    56.  4.100 / 56.  4.100
  
  [ERROR]   libavfilter     5. 12.100 /  5. 12.100
  
  [ERROR]   libswscale      3.  1.101 /  3.  1.101
  
  [ERROR]   libswresample   1.  1.100 /  1.  1.100
  
  [ERROR]   libpostproc    53.  3.100 / 53.  3.100
  
  [ERROR] 
  
  [ERROR] Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'http://localhost/ohvideo-ftp/public/temp/5ZPlIuU1AIgz8RR4p0bs.mp4':
  
  [ERROR]   Metadata:
  
  [ERROR]     major_brand     : mp42
  
  [ERROR]     minor_version   : 0
  
  [ERROR]     compatible_brands: mp42mp41isomavc1
  
  [ERROR]     creation_time   : 2013-11-09 00:29:52
  
  [ERROR]   Duration: 00:00:30.12, start: 0.000000, bitrate: 417 kb/s
  
  [ERROR]     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 381 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
  
  [ERROR]     Metadata:
  
  [ERROR]       creation_time   : 2013-11-09 00:29:52
  
  [ERROR]       handler_name    : L-SMASH Video Handler
  
  [ERROR]       encoder         : AVC Coding
  
  [ERROR]     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 32 kb/s (default)
  
  [ERROR]     Metadata:
  
  [ERROR]       creation_time   : 2013-11-09 00:29:52
  
  [ERROR]       handler_name    : L-SMASH Audio Handler
  
  [ERROR] Unknown encoder 'libfaac'
  
  [ERROR] 
  
  {"error":{"type":"FFMpeg\\Exception\\RuntimeException","message":"Encoding failed","file":"F:\\wamp\\www\\ohvideo-ftp\\vendor\\php-ffmpeg\\php-ffmpeg\\src\\FFMpeg\\Media\\Video.php","line":168}}

  After searching alot, I found a link for the solution here, with note that

  Zeranoe’s ffmpeg does not contain libfaac support due to that encoder
  requiring —enable-nonfree which would result in a non-redistributable
  build.

  I don’t get the solution. Can anybody help me to overcome this ?

  Edit : (working code as below)

  I have created a CustomVideo class the same like class FFMpeg\Format\Video\X264() as below :

  class CustomVideo extends FFMpeg\Format\Video\DefaultVideo
  
  {
  
      /** @var boolean */
  
      private $bframesSupport = true;
  
  
  
      public function __construct($audioCodec = 'libmp3lame', $videoCodec = 'libx264')
  
      {
  
          $this
  
              ->setAudioCodec($audioCodec)
  
              ->setVideoCodec($videoCodec);
  
      }
  
  
  
      /**
  
       * {@inheritDoc}
  
       */
  
      public function supportBFrames()
  
      {
  
          return $this->bframesSupport;
  
      }
  
  
  
      /**
  
       * @param $support
  
       *
  
       * @return X264
  
       */
  
      public function setBFramesSupport($support)
  
      {
  
          $this->bframesSupport = $support;
  
  
  
          return $this;
  
      }
  
  
  
      /**
  
       * {@inheritDoc}
  
       */
  
      public function getAvailableAudioCodecs()
  
      {
  
          return array('libmp3lame');
  
      }
  
  
  
      /**
  
       * {@inheritDoc}
  
       */
  
      public function getAvailableVideoCodecs()
  
      {
  
          return array('libx264');
  
      }
  
  
  
      /**
  
       * {@inheritDoc}
  
       */
  
      public function getPasses()
  
      {
  
          return 2;
  
      }
  
  
  
      /**
  
       * @return int
  
       */
  
      public function getModulus()
  
      {
  
          return 2;
  
      }
  
  }

  and updated the code to transcode video as below :

  $ffmpeg = FFMpeg\FFMpeg::create();
  
  $video = $ffmpeg->open($video_path);
  
  $format = new CustomVideo();
  
  $format->setKiloBitrate(1000)
  
         ->setAudioChannels(2)
  
         ->setAudioKiloBitrate(256);
  
  
  
  $video->save($format, public_path().$path.$save_filename); 

  It has solved the Unknown encoder libfaac error.

• avcodec/adpcm_psx : ignore unknown flag bits

  3 mai 2021, par Zane van Iperen

  avcodec/adpcm_psx : ignore unknown flag bits
  As per documentation.
  Signed-off-by : Zane van Iperen <zane@zanevaniperen.com>
  

  • [DH] libavcodec/adpcm.c