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• Converting video with ffmpeg from a script not in the root folder

  30 octobre 2017, par Daniel Ormerod

  I am using ffmpeg to convert videos, create thumbnails etc.

  I made the below function to convert a video and when I run it in a script in the root folder it converts ok.

  However, I am using ajax to upload the video and the script is located /ajax/upload-video.php and when I run it in that folder it fails to convert.

  I have tried sending the $src and $dest up with ../ before the filenames to go back a folder but it isn’t working.

  Can anybody help ?

  Do I need to add something to the $command line to tell it to go back a folder ?

  These are the variables being used in the function :

  $ffmpegpath = 'ffmpeg.exe';
  
  $src = 'videos/video1.wmv';
  
  $dest = 'videos/video1.mp4';

  I have tried :

  $ffmpegpath = 'ffmpeg.exe';
  
  $src = '../videos/video1.wmv';
  
  $dest = '../videos/video1.mp4';

  And the function :

  function convert_video($src, $dest) {
  
  
  
      global $ffmpegpath;
  
  
  
      if (!file_exists($src)) {
  
  
  
          echo '<p>The file does not exist</p>';
  
  
  
      } else {
  
  
  
          $command = "$ffmpegpath -i $src $dest";
  
  
  
          @exec($command, $ret);
  
  
  
          if (!file_exists($dest)) {
  
  
  
              echo '<p>The file failed to create</p>';
  
  
  
          } else {
  
  
  
              if (filesize($dest)==0) {
  
  
  
                  echo '<p>The file created but has not filesize</p>';
  
  
  
              } else {
  
  
  
                  echo '<p>File Created Successfully</p>';
  
  
  
              }
  
  
  
          }
  
  
  
      }
  
  
  
  }

• configure : Separate package name and version requirements in helper functions

  16 novembre 2016, par Diego Biurrun

  configure : Separate package name and version requirements in helper functions
  The unadorned package name is needed to derive package-related variable names.
  

  • [DBH] configure

• avcodec/h2645_sei : loosen up min luminance requirements

  25 mai 2024, par Niklas Haas

  avcodec/h2645_sei : loosen up min luminance requirements
  The H.265 specification is quite clear on this case :
  > When min_display_mastering_luminance is not in the range of 1 to
  
  > 50000, the nominal maximum display luminance of the mastering display
  
  > is unknown or unspecified or specified by other means not specified in
  
  > this Specification.
  And so the current code is correct in marking luminance data as invalid
  
  if min luminance is set to 0. However, this breaks playback of at least
  
  several real-world Blu-ray releases, for example La La Land, Planet of
  
  the Apes, and quite possibly a lot more. These come with ostensibly
  
  valid max_luminance tags (1000 nits), but min_luminance set to 0.
  Loosen up this requirement by guarding it behind FF_COMPLIANCE_STRICT.
  
  We still reject blatantly invalid metadata (wrong value range on
  
  luminance, max set to 0, max below min, min above 50 nits etc.), so this
  
  shouldn't cause any unintended regressions.
  Fixes : https://github.com/mpv-player/mpv/issues/14177
  

  • [DH] libavcodec/h2645_sei.c