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• Unrecognized option 'txt_format' in ffmpeg latest version

  26 novembre 2020, par RecklessSergio

  I am trying to convert subtitles from scenarist closed captions(scc) to webvtt(vtt)

  



  But I am getting some special characters, so going through ffmpeg documentation https://trac.ffmpeg.org/wiki/ExtractSubtitles
I got to know about the option -txt_format. But when I am using it, ffmpeg is throwing an error saying

  



  "Unrecognized option 'txt_format'.
Error splitting the argument list : Option not found"

  



  FFMPEG VERSION : 
ffmpeg version 4.1.4 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.1.1 (GCC) 20190716

  



  Below is the trace level log :

  



  


  


  ffmpeg version 4.1.4 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9.1.1 (GCC) 20190716
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'trace'.
Reading option '-i' ... matched as input url with argument '223163.scc'.
Reading option 'test.vtt' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument trace.
Successfully parsed a group of options.
Parsing a group of options: input url 223163.scc.
Successfully parsed a group of options.
Opening an input file: 223163.scc.
[NULL @ 0000025d22799500] Opening '223163.scc' for reading
[file @ 0000025d2279a600] Setting default whitelist 'file,crypto'
Probing scc score:100 size:2048
[scc @ 0000025d22799500] Format scc probed with size=2048 and score=100
[scc @ 0000025d22799500] Before avformat_find_stream_info() pos: 38022 bytes read:38022 seeks:0 nb_streams:1
[scc @ 0000025d22799500] All info found
[scc @ 0000025d22799500] stream 0: start_time: -9223372036854776.000 duration: -9223372036854776.000
[scc @ 0000025d22799500] format: start_time: -9223372036854.775 duration: -9223372036854.775 bitrate=0 kb/s
[scc @ 0000025d22799500] After avformat_find_stream_info() pos: 38022 bytes read:38022 seeks:0 frames:0
Input #0, scc, from '223163.scc':
  Duration: N/A, bitrate: N/A
    Stream #0:0, 0, 1/1000: Subtitle: eia_608
Successfully opened the file.
Parsing a group of options: output url test.vtt.
Successfully parsed a group of options.
Opening an output file: test.vtt.
File 'test.vtt' already exists. Overwrite ? [y/N] y
[file @ 0000025d227d1c40] Setting default whitelist 'file,crypto'
Successfully opened the file.
Output #0, webvtt, to 'test.vtt':
  Metadata:
    encoder         : Lavf58.20.100
    Stream #0:0, 0, 1/1000: Subtitle: webvtt
    Metadata:
      encoder         : Lavc58.35.100 webvtt
Stream mapping:
  Stream #0:0 -> #0:0 (eia_608 (cc_dec) -> webvtt (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
No more output streams to write to, finishing.
size=      19kB time=00:18:28.36 bitrate=   0.1kbits/s speed=2.26e+04x
video:0kB audio:0kB subtitle:10kB other streams:0kB global headers:0kB muxing overhead: 88.647011%
Input file #0 (223163.scc):
  Input stream #0:0 (subtitle): 411 packets read (19101 bytes); 349 frames decoded;
  Total: 411 packets (19101 bytes) demuxed
Output file #0 (test.vtt):
  Output stream #0:0 (subtitle): 349 frames encoded; 349 packets muxed (10244 bytes);
  Total: 349 packets (10244 bytes) muxed
349 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0000025d22799c80] Statistics: 0 seeks, 2 writeouts
[AVIOContext @ 0000025d227a2880] Statistics: 38022 bytes read, 0 seeks

  


  


  



• How can I fix video processing and 500 Error - (Laravel, FFmpeg)

  19 juillet 2019, par San Martín Figueroa Pablo

  I’m setting up a new website with Laravel for uploading videos...
  I have read all the possible solutions but none of them help me to solve the issue...

  This is my issue : When I upload a small file (<10mb) the web works fine, the video get uploaded and the video get converted, the dashboard shows the converted videos---

  When I try to upload a large file, the file get uploaded, the video get converted with a green frame on it (really uggly) and the site goes to a 500 server error...

  I’m using Laravel Jobs to do the conversion.

  My Controller code :

      <?php
  
  
  
      namespace App\Http\Controllers;
  
  
  
      use Illuminate\Http\Request;
  
      use Illuminate\Support\Facades\DB;
  
      use Illuminate\Support\Facades\Storage;
  
      use Symfony\Component\HttpFoundation\Response;
  
      use Carbon;
  
      use Closure;
  
      use App\Jobs\ConvertVideoForPreview;
  
      use FFMpeg\FFProbe;
  
      use FFMpeg\Coordinate\Dimension;
  
      use FFMpeg\Format\Video\X264;
  
      use Pawlox\VideoThumbnail\Facade\VideoThumbnail;
  
      use Pbmedia\LaravelFFMpeg\FFMpegFacade as FFMpeg;
  
      use Illuminate\Contracts\Filesystem\Filesystem;
  
  
  
  
  
      use App\Video;
  
  
  
      class VideoController extends Controller
  
      {
  
      public function createVideo(){
  
          return view('video.createVideo');   
  
      }
  
      public function saveVideo(Request $request){
  
  
  
  
  
          set_time_limit(0);
  
          ini_set('memory_limit', '1024M');
  
  
  
          //Validar Formulario
  
  
  
          $validatedData = $this -> validate($request, [
  
  
  
              'title' => 'required',
  
              'description' => 'required',
  
              'palabras' => 'required',
  
              'video' => 'mimetypes:video/mp4,video/quicktime'
  
  
  
  
  
          ]);
  
  
  
          $video = new Video();
  
          $user = \Auth::user();
  
          $video -> user_id = $user->id;
  
          $video -> title = $request -> input('title');
  
          $video -> description = $request -> input('description');
  
          $video -> palabras = $request -> input('palabras');
  
  
  
  
  
  
  
          $video_file = $request -> file('video');
  
  
  
          if($video_file){
  
  
  
          $video_path = 'original'.'_'.$video_file ->                                 
  
          getClientOriginalName();
  
          Storage::disk('videos')-> put($video_path, 
  
          \File::get($video_file));
  
  
  
          $videoUrl = storage_path('app/videos/').$video_path;
  
          $storageUrl = storage_path('app/thumbs/');
  
          $fileName = 'thumb'.'_'.time().'.jpg';
  
          $second = 2;
  
  
  
          VideoThumbnail::createThumbnail($videoUrl, $storageUrl,     
  
          $fileName, $second, $width = 640, $height = 480);
  
  
  
          $video -> preview = $fileName;
  
          $video -> video_path = $video_path;
  
  
  
        }
  
          $video -> save();
  
  
  
          ConvertVideoForPreview::dispatch($video);
  
  
  
          return redirect() -> route('home')
  
                            -> with (array(
  
              'message' => 'El video se ha enviado con exito'));
  
        }
  
  
  
          public function getImage($filename){
  
  
  
              $file = Storage::disk('thumbs') -> get($filename);
  
              return new Response($file, 200);
  
        }
  
  
  
          public function getVideo($filename){
  
  
  
              $file = Storage::disk('converted_videos') ->   
  
          get($filename);
  
              return new Response($file, 200);
  
        }
  
  
  
        }

  This is my ConvertVideo Job :

      <?php
  
  
  
       namespace App\Jobs;
  
  
  
       use App\Video;
  
  
  
       use Carbon\Carbon;
  
       use FFMpeg;
  
       use FFMpeg\Format\Video\X264;
  
  
  
       use Illuminate\Http\Request;
  
       use Illuminate\Bus\Queueable;
  
       use Illuminate\Queue\SerializesModels;
  
       use Illuminate\Queue\InteractsWithQueue;
  
       use Illuminate\Contracts\Queue\ShouldQueue;
  
       use Illuminate\Foundation\Bus\Dispatchable;
  
  
  
       class ConvertVideoForPreview implements ShouldQueue
  
  
  
          {
  
            use Dispatchable, InteractsWithQueue, Queueable, 
  
            SerializesModels;
  
  
  
            public $video;
  
  
  
  
  
            public function __construct(Video $video)
  
           {
  
               $this -> video = $video;
  
           }
  
            public function handle()
  
           {
  
  
  
            $converted_name= 'preview'.'-'.$this -> video -> 
  
            video_path.'.mp4';
  
  
  
            FFMpeg::open('videos/'.$this -> video -> video_path)
  
  
  
                          -> export()
  
                  -> inFormat(new \FFMpeg\Format\Video\X264)
  
                      -> save('converted_videos/'.$converted_name); 
  
  
  
              $this -> video -> update([
  
              'video_preview' => $converted_name,
  
              'processed' => true
  
               ]);
  
        }
  
       }

  One of my goals is to upload large video files (<=4GB), show a uploading process bar and a encoding process bar during the video upload.

  I getting this error :

   [core:error] [pid 14787:tid 139975366489856] [client 
  
    201.188.26.12:51022] Script timed out before returning headers: 
  
    index.php, 

  It’s happend when the video es proccesing and the redirect to home dashboard it’s call...

  The FFMPEG works :

  [2019-07-19 17:20:41] local.INFO: ffprobe executed command successfully  
  
  [2019-07-19 17:21:52] local.INFO: ffmpeg executed command successfully  
  
  [2019-07-19 17:21:52] local.INFO: ffmpeg running command '/usr/local/bin/ffmpeg' '-y' '-i' '/home/tribus/public_html/storage/app/videos/original_Sequence 01.mov' '-threads' '12' '-vcodec' 'libx264' '-acodec' 'libfaac' '-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' '128k' '-pass' '2' '-passlogfile' '/tmp/ffmpeg-passes5d31fbe9010e6ldt9s/pass-5d31fbe90152d' '/home/tribus/public_html/storage/app/converted_videos/preview-original_Sequence 01.mov.mp4'

  I have tried : Change all the memory and file size in PHP.ini, Nginx, Apache... (Probably I’m missing one)...

  Changed timeouts too.

  My environment : VPS 4GB 50GB, APACHE 2.4, PHP7.3, MySql MariaDB, WebServer : Apache-Nginx, Laravel 5.8.

  Can anyone help me to reach this ?...

  This is how the large video looks after converted and show 500 error in the browser :
  Error video processed

• How to solve issue with ffmpeg being stuck at 'Opening an input file'

  20 mai 2021, par zv989

  I am using a capture card to capture HDMI audio from another machine.

  &#xA;&#xA;

  On my host, output of arecord -l is as follow :

  &#xA;&#xA;

  **** List of CAPTURE Hardware Devices ****
Home directory not accessible: Permission denied
card 0: PCH [HDA Intel PCH], device 0: ALC283 Analog [ALC283 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: capture [ezcap U3 capture], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


  &#xA;&#xA;

  The command that I use is :

  &#xA;&#xA;

  sudo ffmpeg -f alsa -i hw:CARD=capture,DEV=0 -t 30 test.wav -loglevel debug


  &#xA;&#xA;

  When I ran the command, the log seems to freeze at 'Opening an input file' as below :

  &#xA;&#xA;

  ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Splitting the commandline.

Reading option '-f' ... matched as option 'f' (force format) with argument 'alsa'.

Reading option '-i' ... matched as input url with argument 'hw:CARD=capture,DEV=0'.

Reading option '-t' ... matched as option 't' (record or transcode "duration" seconds of audio/video) with argument '30'.

Reading option 'test.wav' ... matched as output url.

Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.

Finished splitting the commandline.

Parsing a group of options: global .

Applying option loglevel (set logging level) with argument debug.

Successfully parsed a group of options.

Parsing a group of options: input url hw:CARD=capture,DEV=0.

Applying option f (force format) with argument alsa.

Successfully parsed a group of options.

Opening an input file: hw:CARD=capture,DEV=0.


  &#xA;&#xA;

  It will just stuck there forever, until I press Ctrl+C, then the log continues as follow :

  &#xA;&#xA;

  [alsa @ 0x55c9f0eee8c0] interrupted
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'hw:CARD=capture,DEV=0':
  Duration: N/A, bitrate: 1536 kb/s
    Stream #0:0, 0, 1/1000000: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Successfully opened the file.
Parsing a group of options: output url test.wav.
Applying option t (record or transcode "duration" seconds of audio/video) with argument 30.
Successfully parsed a group of options.
Opening an output file: test.wav.
File 'test.wav' already exists. Overwrite ? [y/N] y
[file @ 0x55c9f0f03280] Setting default whitelist 'file,crypto'
Successfully opened the file.
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Finishing stream 0:0 without any data written to it.
detected 4 logical cores
[graph_0_in_0_0 @ 0x55c9f0f05dc0] Setting 'time_base' to value '1/48000'
[graph_0_in_0_0 @ 0x55c9f0f05dc0] Setting 'sample_rate' to value '48000'
[graph_0_in_0_0 @ 0x55c9f0f05dc0] Setting 'sample_fmt' to value 's16'
[graph_0_in_0_0 @ 0x55c9f0f05dc0] Setting 'channel_layout' to value '0x3'
[graph_0_in_0_0 @ 0x55c9f0f05dc0] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x3
[format_out_0_0 @ 0x55c9f0f060c0] Setting 'sample_fmts' to value 's16'
[AVFilterGraph @ 0x55c9f0f04be0] query_formats: 5 queried, 12 merged, 0 already done, 0 delayed
Output #0, wav, to 'test.wav':
  Metadata:
    ISFT            : Lavf57.83.100
    Stream #0:0, 0, 1/48000: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
    Metadata:
      encoder         : Lavc57.107.100 pcm_s16le
size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (hw:CARD=capture,DEV=0):
  Input stream #0:0 (audio): 0 packets read (0 bytes); 0 frames decoded (0 samples);
  Total: 0 packets (0 bytes) demuxed
Output file #0 (test.wav):
  Output stream #0:0 (audio): 0 frames encoded (0 samples); 0 packets muxed (0 bytes);
  Total: 0 packets (0 bytes) muxed
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
0 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x55c9f0f033e0] Statistics: 3 seeks, 3 writeouts
Exiting normally, received signal 2.


  &#xA;&#xA;

  What is wrong with the command ?

  &#xA;