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• FFMPEG "Segmentation fault" with stream source and watermark

  4 mars 2020, par Magikey

  I use release : 4.2.2 (static) from "https://johnvansickle.com/ffmpeg/"

  Final code will be on "Amazon AWS lambda"

  Goal : use a url stream and add watermak

  Link to video : ​https://feoval.fr/519.mp4

  Link to Watermak : ​https://feoval.fr/watermark.png

  ./ffmpeg -i "https://feoval.fr/519.mp4" -i "./watermark.png" -filter_complex "overlay=W-w-10:H-h-10:format=rgb" -f "mp4" -movflags "frag_keyframe+empty_moov" -pix_fmt "yuv420p" test.mp4

  return "Segmentation fault"

  I have the same error on my computer and on AWS Lambda server

  ./ffmpeg -i "https://feoval.fr/519.mp4" -f "mp4" -movflags "frag_keyframe+empty_moov" -pix_fmt "yuv420p" test.mp4

  work (but not watermak)

  ./ffmpeg -i "./519.mp4" -i "./watermark.png" -filter_complex "overlay=W-w-10:H-h-10:format=rgb" -f "mp4" -movflags "frag_keyframe+empty_moov" -pix_fmt "yuv420p" test.mp4

  work (but not with stream)

  Thanks you very much !

  Logs for the first case who return "Segmentation fault" :

  ...
  
  Stream mapping:
  
  Stream #0:0 (h264) -> overlay:main (graph 0)
  
  Stream #1:0 (png) -> overlay:overlay (graph 0)
  
  overlay (graph 0) -> Stream #0:0 (libx264)
  
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  Press [q] to stop, ? for help
  
  [libx264 @ 0x742e480] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x742e480] profile High, level 3.1, 4:2:0, 8-bit
  
  [libx264 @ 0x742e480] 264 - core 159 r2991 1771b55 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - ​http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'test.mp4':
  
  Metadata:
  
  major_brand : mp42
  
  minor_version : 1
  
  compatible_brands: isommp41mp42
  
  encoder : Lavf58.29.100
  
  Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 480x848, q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
  Metadata:
  
  encoder : Lavc58.54.100 libx264
  
  Side data:
  
  cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
  Metadata:
  
  creation_time : 2020-01-13T08:54:26.000000Z
  
  handler_name : Core Media Audio
  
  encoder : Lavc58.54.100 aac
  
  Segmentation fault (core dumped)

• ffmpeg : how can i hstack 2 videos and display a watermark outside the video area

  27 février 2020, par Cédric Kamermans

  I’m new to using ffmpeg and I want to combine two 1920x1080 videos using hstack. The output video also needs to be 1920x1080. At the same time I want to display a watermark at the bottom of the screen (outside the video area) and one in the top middle of the screen.

  So far i managed to make an hstack with padding but the watermark won’t display outside the video area.

  Here is my first attempt :

  ffmpeg -y -i input1.mp4 -i input2.mp4 -i watermark1.png -filter_complex "[0]pad=iw+5:color=black[left];[left][1]hstack=inputs=2","overlay=x=(main_w-overlay_w)*0.95:y=(main_h-overlay_h)*0.95","scale=w=1920:h=1080" Output.mp4

  Here is a comparison of what i get and what i want :

  wrong output desired output

  Any help regarding my problem would be very much appreciated !

• php-FFMpeg issue when adding watermark

  17 février 2020, par BN83

  Currently getting the following error whilst trying to add a watermark to videos

  PHP Fatal error : Uncaught Alchemy\BinaryDriver\Exception\ExecutionFailureException : ffmpeg failed to execute command ’/usr/bin/ffmpeg’ ’-y’ ’-i’ ’test.mp4’ ’-vcodec’ ’libx264’ ’-acodec’ ’libmp3lame’ ’-b:v’ ’1000k’ ’-refs’ ’6’ ’-coder’ ’1’ ’-sc_threshold’ ’40’ ’-flags’ ’+loop’ ’-me_range’ ’16’ ’-subq’ ’7’ ’-i_qfactor’ ’0.71’ ’-qcomp’ ’0.6’ ’-qdiff’ ’4’ ’-trellis’ ’1’ ’-b:a’ ’256k’ ’-ac’ ’2’ ’-vf’ ’movie=watermark.png [watermark] ;[in][watermark] overlay=main_w - 50 - overlay_w:25 [out]’ ’-pass’ ’1’ ’-passlogfile’ ’/tmp/ffmpeg-passes5e4aa564641efqx15l/pass-5e4aa564642e3’ ’1276404247.mp4’

  when doing the following :

  if (file_exists('test.mp4')) {
  
  
  
      $videoSource = 'test.mp4';
  
      $reqExtension = 'mp4';
  
      $watermark = "watermark.png";
  
  
  
      $ffmpeg = FFMpeg\FFMpeg::create();
  
  
  
      $video = $ffmpeg->open($videoSource);
  
  
  
      $format = new FFMpeg\Format\Video\X264('libmp3lame', 'libx264');
  
  
  
      if (!empty($watermark))
  
      {
  
          $video  ->filters()
  
                  ->watermark($watermark, array(
  
                      'position' => 'relative',
  
                      'top' => 25,
  
                      'right' => 50,
  
                  ));
  
      }
  
  
  
      $format
  
      -> setKiloBitrate(1000)
  
      -> setAudioChannels(2)
  
      -> setAudioKiloBitrate(256);
  
  
  
      $randomFileName = rand().".$reqExtension";
  
      $saveLocation = getcwd(). '/'.$randomFileName;
  
      $video->save($format, $saveLocation);
  
  
  
  }

  Have no idea why it’s failing though, must be finding the video to even start the process ?

  EDIT :

  Tried to make it simpler and just generate a capture of the video...

  $ffmpeg = FFMpeg\FFMpeg::create();
  
  
  
  $video = $ffmpeg->open($videoSource);
  
  
  
  
  
  $frame = $video->frame(FFMpeg\Coordinate\TimeCode::fromSeconds(1));
  
  $frame->save('image.jpg');

  Throws this error :

  PHP Fatal error : Uncaught Alchemy\BinaryDriver\Exception\ExecutionFailureException : ffmpeg failed to execute command ’/usr/bin/ffmpeg’ ’-y’ ’-ss’ ’00:00:01.00’ ’-i’ ’test.mp4’ ’-vframes’ ’1’ ’-f’ ’image2’ ’image.jpg’

  In the console it works and generates the screenshot without error.