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• Index error with moviepy when running on aws

  29 avril, par Hardik Patel

  I am getting this error :
"MoviePy error : failed to read the duration of file %s.\n"
OSError : MoviePy error : failed to read the duration of file https://delivery.gettyimages.com/downloads/1490392845?k=20&e=AnE-X_nyTRBG5QvUm1OnnCZEOURkdWAdDeQJTmDW8Eo41FL7u_ROCopEha5N-Kwh-fxBr44QIe5s2vzAUchlcVs91TwSlJTMOKWYSTraamKCPRcJv19CqNZRB_FgLaW_.

  


  The funny thing is that for the same line of code :

  


  video_duration = VideoFileClip(getty_url).duration


  


  when running on my mac, it is running fine. However when running from an aws server I am getting this error :

  


  [2024-04-29 05:55:42,126: ERROR/ForkPoolWorker-1] Task scripttovideoapp.create_video[18288b91-d304-400a-97a9-285fac776f85] raised unexpected: OSError('MoviePy error: failed to read the duration of file https://delivery.gettyimages.com/downloads/1490392845?k=20&e=AnE-X_nyTRBG5QvUm1OnnCZEOURkdWAdDeQJTmDW8Eo41FL7u_ROCopEha5N-Kwh-fxBr44QIe5s2vzAUchlcVs91TwSlJTMOKWYSTraamKCPRcJv19CqNZRB_FgLaW_.\nHere are the file infos returned by ffmpeg:\n\nffmpeg version 4.2.2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2019 the FFmpeg developers\n  built with gcc 8 (Debian 8.3.0-6)\n  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg\n  libavutil      56. 31.100 / 56. 31.100\n  libavcodec     58. 54.100 / 58. 54.100\n  libavformat    58. 29.100 / 58. 29.100\n  libavdevice    58.  8.100 / 58.  8.100\n  libavfilter     7. 57.100 /  7. 57.100\n  libswscale      5.  5.100 /  5.  5.100\n  libswresample   3.  5.100 /  3.  5.100\n  libpostproc    55.  5.100 / 55.  5.100\n')
Traceback (most recent call last):
  File "/home/ec2-user/.local/lib/python3.9/site-packages/moviepy/video/io/ffmpeg_reader.py", line 285, in ffmpeg_parse_infos
    line = [l for l in lines if keyword in l][index]
IndexError: list index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ec2-user/.local/lib/python3.9/site-packages/celery/app/trace.py", line 477, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/home/ec2-user/.local/lib/python3.9/site-packages/celery/app/trace.py", line 760, in __protected_call__
    return self.run(*args, **kwargs)
  File "/home/ec2-user/videoproj/scripttovideoapp.py", line 454, in create_video
    all_urls, video_details = process_script(script, paths, company_a, company_b, api_key)
  File "/home/ec2-user/videoproj/scripttovideoapp.py", line 232, in process_script
    video_duration = VideoFileClip(file).duration  # This needs to be replaced with a proper duration if available
  File "/home/ec2-user/.local/lib/python3.9/site-packages/moviepy/video/io/VideoFileClip.py", line 88, in __init__
    self.reader = FFMPEG_VideoReader(filename, pix_fmt=pix_fmt,
  File "/home/ec2-user/.local/lib/python3.9/site-packages/moviepy/video/io/ffmpeg_reader.py", line 35, in __init__
    infos = ffmpeg_parse_infos(filename, print_infos, check_duration,
  File "/home/ec2-user/.local/lib/python3.9/site-packages/moviepy/video/io/ffmpeg_reader.py", line 289, in ffmpeg_parse_infos
    raise IOError(("MoviePy error: failed to read the duration of file %s.\n"
OSError: MoviePy error: failed to read the duration of file https://delivery.gettyimages.com/downloads/1490392845?k=20&e=AnE-X_nyTRBG5QvUm1OnnCZEOURkdWAdDeQJTmDW8Eo41FL7u_ROCopEha5N-Kwh-fxBr44QIe5s2vzAUchlcVs91TwSlJTMOKWYSTraamKCPRcJv19CqNZRB_FgLaW_.
Here are the file infos returned by ffmpeg:

ffmpeg version 4.2.2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100



  


  I checked the version of my package on both mac and aws, the packages are the same. Went through different stackover flow solutions but non of them totally aligns with my issue.

  


• Python pydub issue : Can't repoen a wav file after it as been reencoded by ffpeg [Silved]

  28 avril, par Trent Tompkins

  Solved by Michael Butscher. Updated code is now in the repo in the fixed branch. Thanks !

  


  I have a python script that reads in all the *.wav files in a directory and saves them in a folder called output after it adjusts their volume.

  


  lower.py :

  


  import os
from pydub import AudioSegment as ass

# get the current working directory
current_working_directory = os.getcwd()
all_files = os.listdir();

 


while len(all_files) > 0:
    file = all_files.pop()
    song = ass.from_wav(file)
    song = song - 16
    song.export('out\\'+file)



  


  https://github.com/tibberous/ChangeWavVolume/tree/fixed

  


  The problem is (and this took me a LONG time to figure out), after the files are output once, if you try to read them again with AudioSegment ::from_wav(file), ffmpeg throws an error saying it can't decode the file. The output wav files play in Windows Media Player, and even have their audio adjusted, but I am guessing there somehow an error either in the file data itself or the file headers.

  


  I put the code on github. Checkout the branch 'fixed'.

  


  Btw, I just installed everything, so I should have the current versions of everything. I am using the Chocolatey package manager for Windows 10. Read README.txt (in progress) to see how I setup my dev environment.

  


  


  


  Python 3.12.2
Chocolatey v2.2.2
C:\Users\moren>C:\ProgramData\chocolatey\bin\ffmpeg
ffmpeg version 7.0-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13.2.0 (Rev5, 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-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband
  libavutil      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
Universal media converter

  


  


  



  I opened the wav files the program generated with Media Player, VLC Media Player and Audacity, thinking they might throw an error, but the only thing that can't seem to read the exported wav files is the script that created them !

  


• Generation thumbnail from video using ffmpeg [closed]

  23 avril, par godvlpr

  Try to create thumbnail from video using ffmpeg
This command work perfectly :

  


  ffmpeg -i test.mp4 -ss 00:00:00 -vframes 1 thumbnail.jpg

  


  But I need to push video to ffmpeg from stdin, and find solution with pipe :

  


  cat test.mp4 | ffmpeg -f mp4 -i pipe:0  -ss 00:00:00 -vframes 1 thumbnail.jpg

  


  But it's not work for me. Error :

  


  ffmpeg version 7.0 Copyright (c) 2000-2024 the FFmpeg developers
  built with Apple clang version 15.0.0 (clang-1500.3.9.4)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/7.0 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags='-Wl,-ld_classic' --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libharfbuzz --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopenvino --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox --enable-neon
  libavutil      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] stream 0, offset 0x30: partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:0':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.26.100
  Duration: 00:00:02.01, start: 0.000000, bitrate: N/A
  Stream #0:0[0x1](und): Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
      Metadata:
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 96 kb/s (default)
      Metadata:
        handler_name    : SoundHandler
        vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] stream 0, offset 0x30: partial file
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 0x600002e2c400] Error during demuxing: Invalid data found when processing input
Cannot determine format of input 0:0 after EOF
[vf#0:0 @ 0x60000202c240] Task finished with error code: -1094995529 (Invalid data found when processing input)
[vf#0:0 @ 0x60000202c240] Terminating thread with return code -1094995529 (Invalid data found when processing input)
[vost#0:0/mjpeg @ 0x14f7080e0] Could not open encoder before EOF
[vost#0:0/mjpeg @ 0x14f7080e0] Task finished with error code: -22 (Invalid argument)
[vost#0:0/mjpeg @ 0x14f7080e0] Terminating thread with return code -22 (Invalid argument)
[out#0/image2 @ 0x60000272c180] 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=       0KiB time=N/A bitrate=N/A speed=N/A    
Conversion failed!


  


  Tried on macos and ubuntu. What can be wrong here and how to fix this issue ? Maybe exists other solutions without pipes, or something else..