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• KeyError : 'video_fps' with moviepy ffmpeg

  11 août 2020, par Ethan Shoe

  I am writing a Python script to convert a video (.MP4) into an audio file (.MP3) on a Django server. To achieve this, I am using the Moviepy library but when I run the script, I get the following error :

  



  Internal Server Error: /test/
Traceback (most recent call last):
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
    response = get_response(request)
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\handlers\base.py", line 126, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\handlers\base.py", line 124, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\django\views\decorators\csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "C:\shoe\musicsite\main\views.py", line 29, in test
    video = VideoFileClip(os.path.join(basePath + ".mp4"))
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\moviepy\video\io\VideoFileClip.py", line 88, in __init__
    self.reader = FFMPEG_VideoReader(filename, pix_fmt=pix_fmt,
  File "C:\Users\etsho\AppData\Local\Programs\Python\Python38\lib\site-packages\moviepy\video\io\ffmpeg_reader.py", line 34, in __init__
    self.fps = infos['video_fps']
KeyError: 'video_fps'
[15/Nov/2019 23:49:43] "POST /test/ HTTP/1.1" 500 80909


  



  There's practically no information about this error or how to solve it that I could find, so any help or insight would be much appreciated.

  



  Here is my Python script (views.py) :

  



  import pyodbc, json, pytube
from django.http import HttpResponse
from django.views.decorators.csrf import csrf_exempt
from rest_framework import parsers
import os
from moviepy.editor import *

@csrf_exempt
def test(request):
if request.method == 'POST':
    filePath = 'C:\\Users\\etsho\\Music\\'

    #retrieve url from app
    body_unicode = request.body.decode('utf-8')
    body = json.loads(body_unicode)
    videoURL = body['url']

    print("before download")

    #download youtube video
    youtube = pytube.YouTube(videoURL)
    videoTitle = youtube.title
    video = youtube.streams.filter(only_audio=True).first()
    freshDownload = video.download(filePath)

    print("after download")

    basePath, extension = os.path.splitext(freshDownload)
    video = VideoFileClip(os.path.join(basePath + ".mp4"))
    video.audio.write_audiofile(os.path.join(basePath + ".mp3"))

    print("video converted")



return HttpResponse("")


  


• Whatsapp FFMPEG thumbnail is not showing

  7 avril 2020, par Youssof H.

  I want to run a command that will add an image as a thumbnail to a video. The video will be shared by WhatsApp with a thumbnail showing up.

  



  The problem is that after running the following command thumbnails don't show up in Whatsapp though it shows on Windows 10.

  



  ffmpeg -i path/to/Video.mp4 -i path/to/Video.png -map 0 -map 1 -c copy -c:v:1 png -disposition:v:1 attached_pic -strict -2 path/to/out.mp4


  



  And another problem is that the video with a thumbnail doesn't play on Android, iPhone, Windows, nor on Linux.

  



  Log :

  



  ffmpeg version 4.1.4-1+rpt1~deb10u1 2000-2019 the FFmpeg developers
  built with gcc 8 (Debian)
  configuration: --prefix=/usr --extra-version='1+rpt1~deb10u1' --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf --incdir=/usr/include/arm-linux-gnueabihf --arch=arm --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --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-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
[libaom-av1 @ 0x5b7130] v1.0.0
Input #0, matroska,webm, from 'Video.mp4':
  Metadata:
    COMPATIBLE_BRANDS: iso6av01mp41
    MAJOR_BRAND     : dash
    MINOR_VERSION   : 0
    ENCODER         : Lavf58.20.100
  Duration: 00:03:30.70, start: -0.007000, bitrate: 213 kb/s
    Stream #0:0: Video: av1 (Main), yuv420p(tv, bt709), 256x144, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      HANDLER_NAME    : ISO Media file produced by Google Inc.
      DURATION        : 00:03:30.627000000
    Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
    Metadata:
      DURATION        : 00:03:30.701000000
Input #1, image2, from 'Video.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: 23403 kb/s
    Stream #1:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
[mp4 @ 0x625260] track 2: codec frame size is not set
Output #0, mp4, to 'out.mp4':
  Metadata:
    COMPATIBLE_BRANDS: iso6av01mp41
    MAJOR_BRAND     : dash
    MINOR_VERSION   : 0
    encoder         : Lavf58.20.100
    Stream #0:0: Video: mjpeg (mp4v / 0x7634706D), yuvj420p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 25 tbr, 12800 tbn, 25 tbc
    Stream #0:1: Video: av1 (Main) (av01 / 0x31307661), yuv420p(tv, bt709), 256x144, q=2-31, 23.98 fps, 23.98 tbr, 16k tbn, 1k tbc (default)
    Metadata:
      HANDLER_NAME    : ISO Media file produced by Google Inc.
      DURATION        : 00:03:30.627000000
    Stream #0:2(eng): Audio: opus (Opus / 0x7375704F), 48000 Hz, stereo, fltp (default)
    Metadata:
      DURATION        : 00:03:30.701000000
Stream mapping:
  Stream #1:0 -> #0:0 (copy)
  Stream #0:0 -> #0:1 (copy)
  Stream #0:1 -> #0:2 (copy)
Press [q] to stop, [?] for help
frame=    1 fps=0.0 q=-1.0 q=-1.0 size=    3840kB time=00:02:47.56 bitrate= 187.frame=    1 fps=0.0 q=-1.0 Lq=-1.0 size=    5632kB time=00:03:30.68 bitrate= 219.0kbits/s speed= 324x    
video:2275kB audio:3221kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.464468%



  



  What am I doing wrong ?

  



  Note : It's okay if it works with python.

  


• Conditionally rotate portrait video if landscape with FFmeg

  12 novembre 2019, par Jules

  I need to convert only portrait videos to landscape, some video maybe landscape already.

  I need to achieve this with a shell script on a mac.

  I’ve previously managed to rotate a video with ..

  ffmpeg -i "/Users/jm/Library/Mobile Documents/com~apple~QuickTimePlayerX/Documents/output.mp4" 
  
  -strict 1 -metadata:s:v rotate="90" -codec copy "$3"

  $3 is the input file in my shell script

  I’ve found this ...

  ffmpeg -i input.m4v 2>&1 | grep rotate

  From this answer https://stackoverflow.com/a/31683689/450456

  I’m not sure how to combine the two, or have to get and use the height and width in an if statement in a shell script.

  EDIT : Info as requested

  ffmpeg -i final.mp4
  
  ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --disable-jack --enable-gpl --enable-libass --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --enable-openssl --disable-lzma --enable-nonfree
  
    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, mov,mp4,m4a,3gp,3g2,mj2, from 'final.mp4':
  
    Metadata:
  
      major_brand     : qt  
  
      minor_version   : 0
  
      compatible_brands: qt  
  
      creation_time   : 2019-11-12T20:45:27.000000Z
  
    Duration: 00:00:24.36, start: 0.031667, bitrate: 365 kb/s
  
      Stream #0:0(und): Video: hevc (Main 10) (hvc1 / 0x31637668), yuv420p10le(tv, smpte170m/unknown/unknown), 1242x2688, 365 kb/s, 1.73 fps, 600 tbr, 600 tbn, 600 tbc (default)
  
      Metadata:
  
        creation_time   : 2019-11-12T20:45:27.000000Z
  
        handler_name    : Core Media Data Handler
  
        encoder         : HEVC
  
  At least one output file must be specified