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• Stackposts ffmpeg error (Instagram videos)

  30 décembre 2023, par starneybinson

  I am trying to post Instagram Reels via Stackposts (Ubuntu/nginx) but I am facing this error message :

  


  For sharing videos on Instagram, you have to install the FFmpeg library on your server and configure executables path.

  


  error message

  


  I have ffmpeg installed but it still won't work :

  


  ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
libavutil      56. 70.100 / 56. 70.100
libavcodec     58.134.100 / 58.134.100
libavformat    58. 76.100 / 58. 76.100
libavdevice    58. 13.100 / 58. 13.100
libavfilter     7.110.100 /  7.110.100
libswscale      5.  9.100 /  5.  9.100
libswresample   3.  9.100 /  3.  9.100
libpostproc    55.  9.100 / 55.  9.100


  


  Does anyone have an idea on how to fix this ?

  


  I have tried to modify the file permissions of the library located in /bin/ffmpeg for the nginx user (www) and I have tried to move the binary to the location of the Stackposts installation.

  


• AddictedCS SoundFingerprinting FFmpeg.AutoGen System.NullReferenceException

  16 novembre 2023, par J D

  How can I troubleshoot below issue ? Seems to be a class override of FFmpeg.

  


  I am attempting to use AddictedCS SoundFingerprinting (https://github.com/AddictedCS/soundfingerprinting).
https://github.com/Ruslan-B/FFmpeg.AutoGen

  


  After downloading the packages with nuget, I downloaded & compiled from source to debug :

  


  For some reason FFmpeg.AutoGen.Abstractions keep crashing.
Visual Studio 2022, project set to X64

  


  The exception :

  


  FFmpeg.AutoGen.Abstractions
Code line 2906 :

  


  public static AVFormatContext avformat_alloc_context() => vectors.avformat_alloc_context() ;*

  


  System.NullReferenceException
  HResult=0x80004003
  Message=Object reference not set to an instance of an object
  Source=FFmpeg.AutoGen.Abstractions
  StackTrace:
   at FFmpeg.AutoGen.Abstractions.ffmpeg.avformat_alloc_context() in C:\FFmpeg.AutoGen-master\FFmpeg.AutoGen.Abstractions\generated\ffmpeg.functions.facade.g.cs:line 2906


  


  ffmpeg.exe as recommended on the correct location

  


  C:\fingerPrint\ConsoleApp1\ConsoleApp1\bin\x64\Debug\FFmpeg\bin\x64>ffmpeg.exe ffmpeg version 4.4.1-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers built with gcc 11.2.0 (Rev1, Built by MSYS2 project)

  


  Sourcecode

  


  
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SoundFingerprinting;
using SoundFingerprinting.Builder;
using SoundFingerprinting.Emy;
using FFmpeg.AutoGen.Bindings.DynamicallyLoaded;
using System.IO;

namespace ConsoleApp1
{
    internal class Program
    {
        private readonly IFingerprintCommandBuilder fingerprintCommandBuilder = new FingerprintCommandBuilder();
        static async Task Main(string[] args)
        {
            var current = Environment.CurrentDirectory;
            var probe = Path.Combine("FFmpeg", "bin", Environment.Is64BitProcess ? "x64" : "x86");
            var ffmpegBinaryPath = Path.Combine(current, probe);
            Console.WriteLine(Environment.CurrentDirectory);
            Console.WriteLine($"FFmpeg binaries found in: {ffmpegBinaryPath}");
            DynamicallyLoadedBindings.LibrariesPath = ffmpegBinaryPath;
  
            var audioService = new FFmpegAudioService();
            var hashedFingerprints = await FingerprintCommandBuilder.Instance
                                             .BuildFingerprintCommand()
                                             .From("c:\\temp\\chopin_short2.wav")
                                             .UsingServices(audioService)
                                             .Hash();
        }
    }
}



  


  Where do I need to look next ? Doesn't this work with a console C# project ?

  


• ffmpeg error when try co concat videos with filter_complex

  29 août 2023, par Matteo Pasini

  I'm trying to concatenate two videos with different resolutions. Reading around I saw that before being able to concatenate them I should scale them to the same resolution, but the command I'm using (the same one they propose on stackoverflow) doesn't seem to work. Does anyone have any ideas ?

  


  Command :

  


  ffmpeg -i file1.mp4 -i file2.mp4 -filter_complex "[0:v]scale=1024:576:force_original_aspect_ratio=1[v0]; [1:v]scale=1024:576:force_original_aspect_ratio=1[v1]; [v0][0:a][v1][1:a]concat=n=2:v=1:a=1[v][a]" -map [v] -map [a] output.mp4


  


  Output :

  


  ffmpeg version 2023-08-28-git-b5273c619d-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, 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-libaribb24 --enable-libaribcaption --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-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --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-libcodec2 --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      58. 17.100 / 58. 17.100
  libavcodec     60. 23.100 / 60. 23.100
  libavformat    60. 10.101 / 60. 10.101
  libavdevice    60.  2.101 / 60.  2.101
  libavfilter     9. 11.100 /  9. 11.100
  libswscale      7.  3.100 /  7.  3.100
  libswresample   4. 11.100 /  4. 11.100
  libpostproc    57.  2.100 / 57.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file1.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2021-10-08T12:31:56.000000Z
  Duration: 00:03:15.51, start: 0.000000, bitrate: 464 kb/s
  Stream #0:0[0x1](eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m, progressive), 1444x876 [SAR 1:1 DAR 361:219], 335 kb/s, 30 fps, 30 tbr, 30k tbn (default)
    Metadata:
      creation_time   : 2021-10-08T12:31:56.000000Z
      handler_name    : Mainconcept MP4 Video Media Handler
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
  Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2021-10-08T12:31:56.000000Z
      handler_name    : Mainconcept MP4 Sound Media Handler
      vendor_id       : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'file2.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2021-10-11T11:12:30.000000Z
  Duration: 00:02:42.01, start: 0.000000, bitrate: 380 kb/s
  Stream #1:0[0x1](eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m, progressive), 1450x870 [SAR 1:1 DAR 5:3], 251 kb/s, 30 fps, 30 tbr, 30k tbn (default)
    Metadata:
      creation_time   : 2021-10-11T11:12:30.000000Z
      handler_name    : Mainconcept MP4 Video Media Handler
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
  Stream #1:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2021-10-11T11:12:30.000000Z
      handler_name    : Mainconcept MP4 Sound Media Handler
      vendor_id       : [0][0][0][0]
File 'output.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 (h264) -> scale:default
  Stream #0:1 (aac) -> concat
  Stream #1:0 (h264) -> scale:default
  Stream #1:1 (aac) -> concat
  concat -> Stream #0:0 (libx264)
  concat -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[Parsed_concat_2 @ 00000228da583200] Input link in0:v0 parameters (size 960x576, SAR 1:1) do not match the corresponding output link in0:v0 parameters (949x576, SAR 69312:69277)
[Parsed_concat_2 @ 00000228da583200] Failed to configure output pad on Parsed_concat_2
[fc#0 @ 00000228d8cb7480] Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while filtering: Invalid argument
[Parsed_concat_2 @ 00000228da582c00] Input link in0:v0 parameters (size 960x576, SAR 1:1) do not match the corresponding output link in0:v0 parameters (949x576, SAR 69312:69277)
[Parsed_concat_2 @ 00000228da582c00] Failed to configure output pad on Parsed_concat_2
[fc#0 @ 00000228d8cb7480] Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
[Parsed_concat_2 @ 00000228da581900] Input link in0:v0 parameters (size 960x576, SAR 1:1) do not match the corresponding output link in0:v0 parameters (949x576, SAR 69312:69277)
[Parsed_concat_2 @ 00000228da581900] Failed to configure output pad on Parsed_concat_2
[fc#0 @ 00000228d8cb7480] Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
[out#0/mp4 @ 00000228d9baab40] Nothing was written into output file, because at least one of its streams received no packets.
frame=    0 fps=0.0 q=0.0 Lsize=       0kB time=N/A bitrate=N/A speed=N/A
Conversion failed!