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• MoviePY error when running in Docker Container using Amazon Elastic Container Service

  27 mai 2023, par Giba

  I'm developing a script that generates a video with the information provided by the user using Moviepy. The application runs in a docker container.

  


  In my test environment (locally) the application usually runs generating the videos as expected. However, when I deploy to the Amazon Elastic Container Instance environment, the application renders the following error :

  


  /tmp/334.mp31boi_q7b: Invalid data found when processing input
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)

libpostproc 55. 5.100 / 55. 5.100
libswresample 3. 5.100 / 3. 5.100
libswscale 5. 5.100 / 5. 5.100
libavfilter 7. 57.100 / 7. 57.100
libavdevice 58. 8.100 / 58. 8.100
libavformat 58. 29.100 / 58. 29.100
libavcodec 58. 54.100 / 58. 54.100
libavutil 56. 31.100 / 56. 31.100

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

OSError: MoviePy error: failed to read the duration of file /tmp/334.mp31boi_q7b.


  


  To retrieve files sent by the user, I use tempfile.NamedTemporaryFile and manipulate them in memory. I make some slices in the audio to synchronize with images (as if they were slides) and to concatenate them I use the following :

  


  audio_concat = concatenate_audioclips(audio_clips)


  


  and at the end, I generate the video as follows :

  


  with tempfile.NamedTemporaryFile(prefix=video_path, suffix='', delete=False) as data:
    video.write_videofile(data.name, fps=24, codec="libx264", ffmpeg_params=['-f', 'mp4'], threads=multiprocessing.cpu_count())


  


  As said, everything works fine in the container locally, but the same does not happen in ECS.

  


  Does anyone have any idea what I might be doing wrong ?

  


  My Dockerfile

  


  FROM ubuntu:latest
ENV DEBIAN_FRONTEND noninteractive

WORKDIR /video_composer

COPY requirements.txt /video_composer/requirements.txt

RUN apt-get update && apt-get install -y software-properties-common gcc && \
    add-apt-repository -y ppa:deadsnakes/ppa

RUN apt-get update && apt-get install -y python3.11 python3-distutils python3-pip python3-apt
RUN apt-get -y update
RUN apt-get install -y ffmpeg

RUN pip install -r /video_composer/requirements.txt

RUN python3 -m certifi

COPY . /video_composer/

EXPOSE 8003

CMD ["uvicorn", "video_composer:app", "--proxy-headers", "--host", "0.0.0.0", "--port", "8003"]


  


  Some solutions consulted and no success

  


  Moviepy unable to read duration of file

  


  https://github.com/Zulko/moviepy/issues/116

  


  When trying to execute the mentioned solutions I continued to have the same error in the ECS but without errors locally.

  


• ffmpeg was not found on your system in Azure service fabric application

  17 novembre 2023, par dotnet developer

  I have a stateless service fabric application, which uses ffmpeg.exe to convert video files. ffmpeg.exe is added to the project and it's properties set to Content & Copy always. When I install the app on Azure VM (Service Fabric 5 node cluster), it has been deployed to D :\SvcFab_App\Sample_App1\Sample.Code.1.0.0. (D drive is temp storage on Azure VM). When ever I try to convert a video file, I am getting ffmpeg.exe was not found on your system exception. I am able to convert files in development environment and on on-prem server without any exception.

  


  I tried to access ffmpeg.exe using Path.Combine(Directory.GetCurrentDirectory(), “ffmpeg.exe”) and Path.Combine(FabricRuntime.GetActivationContext().GetCodePackageObject(“Code”).Path, “ffmpeg.exe”)

  


• How to pass custom parameters when creating docker swarm service ?

  31 mai 2022, par Mike

  I am new to docker and docker swarm and started dockerizing several services and am trying to get them running as docker swarm services. I ran into a road block with the linuxserver/ffmpeg image :

  


  

  1. it uses a —device parameter which is not implemented in create service

  


  2. it expects several custom parameters to pass them to the ffmpeg encoder

  


  


  From my research up to now I assume that passing parameters is not implemented in docker create service, but maybe you can think of a workaround ? (unfortunately the image does not process environment variables, or at least they are not documented)

  


  This is how I start dockerized ffmpeg (working fine in standalone mode) :

  


  docker run -d /
  
—network="host" /
  
—device=/dev/video0 :/dev/video0 / ### error : unknow flag
  
—name ffmpeg_streamer /
  
—restart always -it /
  
-v $(pwd)/video :/video /
  
linuxserver/ffmpeg / ### custom parameters below here
  
-stream_loop /
  
-1 -re -nostdin /
  
-i "/video/test.avi" /
  
-f pulse /
  
-vcodec libx264 /
  
-preset:v veryfast /
  
-b:v 400k /
  
-f flv rtmp ://localhost:1935/live/streamkey

  


  Many thanks for looking into this !