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• Artisan Fatal error when trying to install Laravel FFMpeg

  26 janvier 2017, par Chris Palmer Breuer

  I am trying to include pbmedia/laravel-ffmpeg package in my Laravel app but for some reason when I run composer require pbmedia/laravel-ffmpeg I receive this error :

  composer require pbmedia/laravel-ffmpeg
  
  Using version ^1.1 for pbmedia/laravel-ffmpeg
  
  ./composer.json has been updated
  
  Loading composer repositories with package information
  
  Updating dependencies (including require-dev)
  
  Nothing to install or update
  
  Generating autoload files
  
  > Illuminate\Foundation\ComposerScripts::postUpdate
  
  > php artisan optimize
  
  PHP Fatal error:  Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Class 'PHPExcel_Shared_Font' not found in /Users/chrisbreuer/code/clooud/config/excel.php:182
  
  Stack trace:
  
  #0 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(60): require()
  
  #1 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(38): Illuminate\Foundation\Bootstrap\LoadConfiguration->loadConfigurationFiles(Object(Illuminate\Foundation\Application), Object(Illuminate\Config\Repository))
  
  #2 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(203): Illuminate\Foundation\Bootstrap\LoadConfiguration->bootstrap(Object(Illuminate\Foundation\Application))
  
  #3 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(267): Illuminate\Foundation\Application->bootstrapWith(Array)
  
  #4 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illu in /Users/chrisbreuer/code/clooud/config/excel.php on line 182
  
  
  
  Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Class 'PHPExcel_Shared_Font' not found in /Users/chrisbreuer/code/clooud/config/excel.php:182
  
  Stack trace:
  
  #0 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(60): require()
  
  #1 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(38): Illuminate\Foundation\Bootstrap\LoadConfiguration->loadConfigurationFiles(Object(Illuminate\Foundation\Application), Object(Illuminate\Config\Repository))
  
  #2 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(203): Illuminate\Foundation\Bootstrap\LoadConfiguration->bootstrap(Object(Illuminate\Foundation\Application))
  
  #3 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(267): Illuminate\Foundation\Application->bootstrapWith(Array)
  
  #4 /Users/chrisbreuer/code/clooud/vendor/laravel/framework/src/Illu in /Users/chrisbreuer/code/clooud/config/excel.php on line 182
  
  Script php artisan optimize handling the post-update-cmd event returned with error code 255
  
  
  
  Installation failed, reverting ./composer.json to its original content.

  my composer.json file looks like this :

  {
  
      "name": "laravel/laravel",
  
      "description": "The Laravel Framework.",
  
      "keywords": ["framework", "laravel"],
  
      "license": "MIT",
  
      "type": "project",
  
      "require": {
  
          "php": ">=5.6.4",
  
          "laravel/framework": "5.3.*"
  
      },
  
      "require-dev": {
  
          "fzaninotto/faker": "~1.4",
  
          "mockery/mockery": "0.9.*",
  
          "phpunit/phpunit": "~5.0",
  
          "symfony/css-selector": "3.1.*",
  
          "symfony/dom-crawler": "3.1.*"
  
      },
  
      "autoload": {
  
          "classmap": [
  
              "database"
  
          ],
  
          "psr-4": {
  
              "App\\": "app/"
  
          }
  
      },
  
      "autoload-dev": {
  
          "classmap": [
  
              "tests/TestCase.php"
  
          ]
  
      },
  
      "scripts": {
  
          "post-root-package-install": [
  
              "php -r \"file_exists('.env') || copy('.env.example', '.env');\""
  
          ],
  
          "post-create-project-cmd": [
  
              "php artisan key:generate"
  
          ],
  
          "post-install-cmd": [
  
              "Illuminate\\Foundation\\ComposerScripts::postInstall",
  
              "php artisan optimize"
  
          ],
  
          "post-update-cmd": [
  
              "Illuminate\\Foundation\\ComposerScripts::postUpdate",
  
              "php artisan optimize"
  
          ]
  
      },
  
      "config": {
  
          "preferred-install": "dist",
  
          "sort-packages": true
  
      }
  
  }

  Any help would be greatly appreciated !

  Thanks so much,
  Chris

• How to pass command line arguments to FFMpeg in iOS

  23 septembre 2014, par Arif Nadeem

  This is a beginner question, since I am new to iOS(I started it today), so please pardon my ignorance and lack of iOS knowledge.

  After building and successfully using FFMpeg for Android I wanted to do the same for iOS.
  So I built FFMpeg successfully for iOS by following this link, but after all that pain I am confused as how to use FFMpeg in iOS, I mean how can I pass command line arguments to libffmpeg.a file ?

  I am assuming that there must be a way to run the .a file as an executable and then pass command line arguments and hope for FFMpeg to do the magic, I did the same in Android and it worked beautifully.

  I am also aware that I can use ffmpeg.c class and use its main method, but the question remains ; how do I pass those command line arguments ?

  Is there something I am supposed to be aware of here, is the thing what I am doing now correct or am I falling short on my approach ?

  I wanted to mix two audio files, so the command for doing that would be ffmpeg -i firstSound.wav -i secondSound.wav -filter_complex amix=inputs=2:duration=longest finalOutput.wav, how do I do the same in iOS ?

  Can someone please shed some light on this ?

• FFMPEG GOP Extraction

  29 mars 2015, par user3601375

  I have an MPEG -4 video and I would like to extract a one GOP (Group of pictures ) at a time to BMPs (using FFMPEG and c++ (code block) ) rather than the whole video in one go, since now all my code writing is stuck there I use to sketch everything in my mind then program and I can’t imagine how to do this, I searched the net for something like that but of no use.. any command line or any library used to do that (I have no full experience on FFMPEG I have read the documentation but that thing was not there). I will appreciate any kind help and thanks for reading y post.

  Regards,