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  • Mise à jour de la version 0.1 vers 0.2

    24 juin 2013, par

    Explications des différents changements notables lors du passage de la version 0.1 de MediaSPIP à la version 0.3. Quelles sont les nouveautés
    Au niveau des dépendances logicielles Utilisation des dernières versions de FFMpeg (>= v1.2.1) ; Installation des dépendances pour Smush ; Installation de MediaInfo et FFprobe pour la récupération des métadonnées ; On n’utilise plus ffmpeg2theora ; On n’installe plus flvtool2 au profit de flvtool++ ; On n’installe plus ffmpeg-php qui n’est plus maintenu au (...)

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

  • Ecrire une actualité

    21 juin 2013, par

    Présentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
    Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
    Vous pouvez personnaliser le formulaire de création d’une actualité.
    Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)

Sur d’autres sites (6937)

  • Automatically detect box/coordinates of burned-in subtitles in a video source

    8 mars 2021, par AndroidX

    In reality I'd like to detect the coordinates of the "biggest" (both in height and width) burned-in subtitle of a given video source. But in order to do this I first need to detect the box coordinates of every distinct subtitle in the sample video, and compare them to find the biggest one. I didn't know where to start about this, so the closest thing I found (sort of) was ffmpeg's bbox video filter which according to the documentation computes "the bounding box for the non-black pixels in the input frame luminance plane", based on a given luminance value :

    


    ffmpeg -i input.mkv -vf bbox=min_val=130 -f null -


    


    This gives me a line with coordinates for each input frame in the video, ex. :

    


    [Parsed_bbox_0 @ 0ab734c0] n:123 pts:62976 pts_time:4.1 x1:173 x2:1106 y1:74 y2:694 w:934 h:621 crop=934:621:173:74 drawbox=173:74:934:621


    


    The idea was to make a script and loop through the filter's output, detect the "biggest" box by comparing them all, and output its coordinates and frame number as representative of the longest subtitle.

    


    The bbox filter though can't properly detect the subtitle box even in a relatively dark video with white hardsubs. By trial and error and only for a particular video sample which I used to run my tests, the "best" result for detecting the box of any subtitle was to use a min_val of 130 (supposedly the meaningful values of min_val are in the range of 0-255, although the docs don't say anything). Using the drawbox filter with ffplay to test the coordinates reported for a particular frame, I can see that it correctly detects only the bottom/left/right boundary of the subtitle, presumably because the outline of the globe in the image below is equally bright :

    


    enter image description here

    


    Raising min_val to 230 slightly breaks the previously correct boundaries at the bottom/left/right side :

    


    enter image description here

    


    And raising it to 240 gives me a weird result :

    


    enter image description here

    


    However even if I was able to achieve a perfect outcome with the bbox filter, this technique wouldn't be bulletproof for obvious reasons (the min_val should be arbitrarily chosen, the burned-in subtitles can be of different color, the image behind the subtitles can be equally or even more bright depending the video source, etc.).

    


    So if possible I would like to know :

    


      

    1. Is there a filter or another technique I can use with ffmpeg to do what I want
    2. 


    3. Is there perhaps another CLI tool or programming library to achieve this
    4. 


    5. Any hint that could help (perhaps I'm looking at the problem the wrong way)
    6. 


    


  • Pulseaudio record multiple xfbv screens with python

    10 octobre 2020, par Eric Lagarda

    I’m trying to do something complicated and I need some help.

    


    I’m able to record a session (video and audio) with python using xvfb and ffmpeg.

    


    I just want to visit a page using selenium and record the video and audio. It’s working but when I try to run multiple instances, the audio is mixing between records.

    


    How can achieve that ? I’m using pulseaudio. I know that with alsa you can set like a interface per instance, but I don’t know how to do it.

    


    Thanks for you support and comments.

    


  • FFMPEG extract h264 video (can't see video)

    28 décembre 2015, par Marco Ronchi

    I’m trying to extract a portion of video from another video with FFMPEG. I use this command line :

    ffmpeg -i C:\Temp\test.avi -ss 00:00:30.0 -c copy -t 00:00:10.0 C:\Temp\out.avi

    and this is the output messages :

    ffmpeg version N-77504-gbaf4c48 Copyright (c) 2000-2015 the FFmpeg developers
     built with gcc 5.2.0 (GCC)
     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-libdcadec --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-libzimg --enable-lzma --enable-decklink --enable-zlib
     libavutil      55. 11.100 / 55. 11.100
     libavcodec     57. 20.100 / 57. 20.100
     libavformat    57. 20.100 / 57. 20.100
     libavdevice    57.  0.100 / 57.  0.100
     libavfilter     6. 22.100 /  6. 22.100
     libswscale      4.  0.100 /  4.  0.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    [h264 @ 0000024bf533c6c0] illegal aspect ratio
    [h264 @ 0000024bf533c6c0] AVC: nal size 1296048104
    [h264 @ 0000024bf533c6c0] missing picture in access unit with size 4382
    [h264 @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 18 times
    Input #0, avi, from 'C:\Temp\test.avi':
     Metadata:
       encoder         : Lavf56.25.101
     Duration: 00:01:51.48, start: 0.000000, bitrate: 864 kb/s
       Stream #0:0: Video: h264 (Main) (H264 / 0x34363248), yuv420p, 854x480 [SAR 1:1 DAR 427:240], 719 kb/s, 59.94 fps, 29.97 tbr, 59.94 tbn, 59.94 tbc
       Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, fltp, 125 kb/s
    Output #0, avi, to 'C:\Temp\out.avi':
     Metadata:
       ISFT            : Lavf57.20.100
       Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 854x480 [SAR 1:1 DAR 427:240], q=2-31, 719 kb/s, 59.94 fps, 29.97 tbr, 59.94 tbn, 59.94 tbc
       Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, 125 kb/s
    Stream mapping:
     Stream #0:0 -> #0:0 (copy)
     Stream #0:1 -> #0:1 (copy)
    Press [q] to stop, [?] for help
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 11 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 22411
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 25 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 41687
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 16 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 44957
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 20 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 63683
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 39 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 39072
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 32 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 31894
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 37 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 44447
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 19 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 29614
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 20 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 33664
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 20 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 26399
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 23 times
    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 44 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 58844
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 3 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 72293
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 92 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 40496
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 10 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 47336
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 19 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 46490
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 45 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 59161
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 43 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 30588
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 6 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 35601
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 4 times
    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 21 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 42018
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 28 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 55838
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 25 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 17035
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 21226
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 17 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 44613
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 48 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 29342
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 8 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 30664
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 32 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 67394
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 57 times
    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 4 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 35793
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 7 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 38809
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 12 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 63104
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 35 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 39476
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 30 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 27844
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 2 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 31435
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 20 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 40483
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 29 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 29305
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 12 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 34270
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 25 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 74136
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 53 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 63513
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 8 times
    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 29 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 45954
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 3 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 52952
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 20 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
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    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 33986
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    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 32874
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 70 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 63801
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 12 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 78008
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 44 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
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    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
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    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 17 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 63108
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 8 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 57850
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 43 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
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    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
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    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
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    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 12 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 38413
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
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    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
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    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 24 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 31691
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 57 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 25181
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 14 times
    frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 16 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 11491
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 79 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 65374
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 74 times
    [NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 18231
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 1 times
    [NULL @ 0000024bf533c6c0] illegal aspect ratio
    [NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    [NULL @ 0000024bf533c6c0] missing picture in access unit with size 17750
    [NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
       Last message repeated 62 times
    frame=    0 fps=0.0 q=-1.0 Lsize=      43kB time=00:00:02.02 bitrate= 173.8kbits/s speed= 0.6x
    video:0kB audio:31kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 38.359665%

    The audio was extracted correctly, but I can’t see video (it’s all black). Can someone help me ?

    Thanks in advance