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• Index error with moviepy when running on aws

  29 avril 2024, 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.

  


• Why ffmpeg concat results wrong fps ? How to avoid it ?

  29 avril 2024, par Jinglong

  I have several mp4 video files and want to concat there video streams into a new mp4 file. The command I used shows below :

  


  ffmpeg -f concat -safe 0 -i concat.txt -an -c:v copy -y out.mp4


  


  The fps of result does not meet expectations.

  


  For example, there are two input wrote in concat.txt :

  


  file temp_result_0.mp4
file temp_result_1.mp4


  


  




  


  


  


  


  


  


  


  



  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  


  file	duration	number of frames	fps	tbr
  temp_result_0.mp4	60.0	1200	20	20
  temp_result_0.mp4	0.1	2	20	20
  out.mp4	60.1	1202	19.97	20

  


  The out.mp4 has correct duration, nb_frames but wrong avg_frame_rate (expecting 20 but get 6010/301).

  


  ng01@MacBook-Pro-3 Downloads % ffprobe -select_streams v:0 -show_entries stream=r_frame_rate,avg_frame_rate,nb_frames,duration out.mp4
ffprobe version 7.0 Copyright (c) 2007-2024 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
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf60.14.100
  Duration: 00:01:00.10, start: 0.000000, bitrate: 1645 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1080x1920 [SAR 1:1 DAR 9:16], 1643 kb/s, 19.97 fps, 20 tbr, 10240 tbn (default)
      Metadata:
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
[STREAM]
r_frame_rate=20/1
avg_frame_rate=6010/301
duration=60.100000
nb_frames=1202
[/STREAM]


  


  I tried use lower version 4.1.3 of ffmpeg, the result has wrong fps and wrong duration. expectation duration is 60.10 but get 60.20

  


• Need help accessing the key when trying to decrypt .ts files via ffmpeg

  4 juillet 2024, par Diz

  I have downloaded all the individual .ts files and the corresponding m3u8 file from a VOD and I now want to merge them together into a single watchable file.
The problem is, that the .ts files are encrypted and don't understand how to access the key.

  


  Here's the beginning of the m3u8 file :

  


  #EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:4
#EXT-X-PLAYLIST-TYPE:EVENT
#EXT-X-MEDIA-SEQUENCE:6484
#EXT-X-KEY:METHOD=AES-128,URI="irvine://aes",KEYFORMATVERSIONS="1",IV=0x1E9ABA2B3C916D47D592D9B1E7674F4B
#EXT-X-PROGRAM-DATE-TIME:2024-05-25T07:24:59.682Z
#EXTINF:4.004,
index_1_6484.ts
#EXT-X-PROGRAM-DATE-TIME:2024-05-25T07:25:03.686Z
#EXTINF:4.004,
index_1_6485.ts
#EXT-X-PROGRAM-DATE-TIME:2024-05-25T07:25:07.690Z
#EXTINF:4.004,
index_1_6486.ts
#EXT-X-PROGRAM-DATE-TIME:2024-05-25T07:25:11.694Z
#EXTINF:4.004,
index_1_6487.ts
...



  


  As far as I understood I only have the initialization vector and I need to access the URI to get the actual key.

  


  I have tried to decrypt the playlist with the following command :

  


  ffmpeg -i index_1.m3u8 -c copy output.ts


  


  But I would always get the following errors :

  


  Unable to open key file irvine://aes
Error when loading first segment 'index_1_6484.ts'
Error opening input: Invalid data found when processing input
Error opening input file index_1.m3u8.
Error opening input files: Invalid data found when processing input


  


  I have also tried just decrypting a single .ts file to start with, with similar results.

  


  ffmpeg -decryption_key 1E9ABA2B3C916D47D592D9B1E7674F4B -i index_1_6484.ts -codec copy index_1_6484_out.ts