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    Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;

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Sur d’autres sites (8225)

  • Amazon S3 : how to combine all images into a video ?

    17 mars 2015, par scientiffic

    I’m in my Rails app, I enable users to upload images, which get processed using ffmpeg to create a video slideshow.

    I have this working locally, but am wondering how to do this when deploying the app using Heroku. In particular, I know Heroku has limited storage and has a read-only filesystem, so using Carrierwave without S3 or an external storage option doesn’t seem like an option.

    But how would I run a task like the following using S3, where I combine all images into a video ?

    The ffmpeg command is

    ffmpeg -r 5 -i https://s3.amazonaws.com/[]/uploads/image/image_file/26/img%03d.jpg output.mp4 -y

    And the AWS "folder" contains the following :
    https://s3.amazonaws.com/[]/uploads/image/image_file/26/img001.jpg
    https://s3.amazonaws.com/[]/uploads/image/image_file/26/img002.jpg
    https://s3.amazonaws.com/[]/uploads/image/image_file/26/img003.jpg

    When I try to do the following, I get an error with ffmpeg not knowing what to do with :

    https://s3.amazonaws.com/[]/uploads/image/image_file/26/img%03d.jpg

    Note, this whole video compilation process works fine for me locally, so I know in theory it should work.

  • FFMPEG-Php installation on Amazon EC2 linux AMI

    5 mai 2015, par Hamza

    I have installed FFMPEG on Amazon EC2 Linux AMI using this script now I am trying to install FFMPEG-PHP and after ./configure it gives me this error on make command

     # make
    
/bin/sh /opt/ffmpeg-php-0.6.0/libtool --mode=compile cc  -I. -I/opt/ffmpeg-php-0.6.0 -DPHP_ATOM_INC -I/opt/ffmpeg-php-0.6.0/include -I/opt/ffmpeg-php-0.6.0/main -I/opt/ffmpeg-php-0.6.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/local/include/ffmpeg  -DHAVE_CONFIG_H  -g -O2 -Wall -fno-strict-aliasing   -c /opt/ffmpeg-php-0.6.0/ffmpeg-php.c -o ffmpeg-php.lo
    
libtool: compile:  cc -I. -I/opt/ffmpeg-php-0.6.0 -DPHP_ATOM_INC -I/opt/ffmpeg-php-0.6.0/include -I/opt/ffmpeg-php-0.6.0/main -I/opt/ffmpeg-php-0.6.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/local/include/ffmpeg -DHAVE_CONFIG_H -g -O2 -Wall -fno-strict-aliasing -c /opt/ffmpeg-php-0.6.0/ffmpeg-php.c  -fPIC -DPIC -o .libs/ffmpeg-php.o
    

    

    
 In file included from /opt/ffmpeg-php-0.6.0/ffmpeg-php.c:42:0:
    
    /usr/local/include/ffmpeg/avcodec.h:43:21: fatal error: version.h: No such file or directory
    
     #include "version.h"

    I have searched this a lot but couldn’t manage to do it, Amazon support officer asked me to use CENTOS AMI instead of Linux AMI but I have everything hosted there, so I will appreciate if someone can help me with this.

    Thank you,

    Hamza

  • Amazon Elastic Transcoder vs FFMPEG [on hold]

    17 janvier 2015, par KiranD

    I’m developing a website (php based) and there is a provision to upload videos in different formats. I’m using HTML5 player for the front end presentation. So, as the ideal format that is supported by most of the browsers is mp4, I tried using ffmpeg and it works fine.

    I would like to know which transcoder (Amazon Elastic Transcoder or FFMPEG) would be best for handling conversions parallely when there is a huge traffic.

    There could me approximately thousands of users watching the videos and may be hundreds uploading the videos at the same time. I’m using Amazon EC2 for deployment and the traffic is mostly spiky (not flat).

    I’m not sure about the acceptable speed. But, I need the one which can transcode the videos much faster.

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