Recherche avancée

Sur d’autres sites (11994)

• FFmpeg no such filter 'tpad'

  29 août 2022, par Zeek Aran

  I have a simple gif. I am not in general familiar with FFmpeg commands so I assume it's just my syntax being wrong, but what I'm using is straight from an answer here so I thought it would work.

  


  I'm trying to add a delay on the last frame of my gif.

  


  ffmpeg -i out.gif -vf tpad=stop_mode=clone:stop_duration=2 out2.gif


  


  But I'm getting this when I try it :

  


  ffmpeg version 3.4.11-0ubuntu0.1 Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/usr --extra-version=0ubuntu0.1 --toolchain=hardened -                                                                                      -libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enabl                                                                                      e-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls                                                                                       --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-lib                                                                                      caca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreet                                                                                      ype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --en                                                                                      able-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enabl                                                                                      e-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-li                                                                                      bsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --                                                                                      enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enabl                                                                                      e-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --e                                                                                      nable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enabl                                                                                      e-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-f                                                                                      rei0r --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
Input #0, gif, from 'out.gif':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: gif, bgra, 780x530, 6 fps, 15 tbr, 100 tbn, 100 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (gif (native) -> gif (native))
Press [q] to stop, [?] for help
[AVFilterGraph @ 0x5609c471d520] No such filter: 'tpad'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
Conversion failed!


  


• ffprobe : how do I get the time zone of creation date ?

  29 août 2022, par Paolo Benvenuto

  I have a video made with a canon camera (actually a PowerShow G5Xm2), I want to extract the creation date metadata, and I found that I can see it with :

  


  $ ffprobe -i myfile.MP4 -show_entries stream_tags
[.....]
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'myfile.MP4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42avc1CAEP
    make            : 
    make-eng        : 
    model           : 
    model-eng       : 
    creation_time   : 2022-08-28T15:25:09.000000Z
  Duration: 00:00:53.96, start: 0.000000, bitrate: 29939 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709), 1920x1080, 29639 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc (default)
    Metadata:
      creation_time   : 2022-08-28T15:25:09.000000Z
      vendor_id       : [0][0][0][0]
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)
    Metadata:
      creation_time   : 2022-08-28T15:25:09.000000Z
      vendor_id       : [0][0][0][0]
[STREAM]
TAG:creation_time=2022-08-28T15:25:09.000000Z
TAG:language=eng
TAG:vendor_id=[0][0][0][0]
[/STREAM]
[STREAM]
TAG:creation_time=2022-08-28T15:25:09.000000Z
TAG:language=eng
TAG:vendor_id=[0][0][0][0]
[/STREAM]


  


  The creation date in in UTC, and it has the format "%Y-%m-%dT%H :%M :%S.%fZ". The camera has the info of the time zone, and actually it converted the local time to UTC time, so I suppose that the MP4 should hide somewhere the time zone info.

  


  How do I see it ?

  


• ffmpeg - Crazy artifacts after concatenation

  26 août 2022, par JohnWick

  

  


  Running the following command :

  


  ffmpeg -i video.mp4 -f segment -segment_times 60,120 -reset_timestamps 1 -c copy out%03d.mp4


  


  Generates the files out000.mp4, out001.mp4, out002.mp4 seen in the image.

  


  Here is the ffprobe for the source, video.mp4

  


  ffprobe version 2022-08-22-git-f23e3ce858-full_build-www.gyan.dev Copyright (c) 2007-2022 the FFmpeg developers
  built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      57. 33.101 / 57. 33.101
  libavcodec     59. 42.102 / 59. 42.102
  libavformat    59. 30.100 / 59. 30.100
  libavdevice    59.  8.101 / 59.  8.101
  libavfilter     8. 46.103 /  8. 46.103
  libswscale      6.  8.103 /  6.  8.103
  libswresample   4.  8.100 /  4.  8.100
  libpostproc    56.  7.100 / 56.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2mp41
    encoder         : Lavf59.30.100
  Duration: 00:26:04.73, start: 0.000000, bitrate: 2234 kb/s
  Stream #0:0[0x1](und): Video: hevc (Main) (hev1 / 0x31766568), yuv420p(tv, progressive), 1080x1920 [SAR 1:1 DAR 9:16], 2098 kb/s, 29.99 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]


  


  I then run the following command :

  


  ffmpeg -i out001.mp4 -vf hflip -c:v hevc_nvenc flipped.mp4


  


  And enter this into concat.txt :

  


  file 'out000.mp4'
file 'flipped.mp4'
file 'out002.mp4'


  


  And finally run the command

  


  ffmpeg -f concat -safe 0 -i concat.txt -c copy joined.mp4


  


  The video plays, but between the start and end timestamps of flipped.mp4 within joined.mp4, it is unwatchable with artifacts such as this :

  


  

  


  If I open flipped.mp4 in VLC, the video plays just fine. The artifacts only appear in the concatenated video.