ffmpeg_wrapper.install

<?php


/**
 * @FILE Install file for ffmpeg_wrapper
 *
 */

function ffmpeg_wrapper_install() {
  // see if we can find ffmpeg
  if ($path = exec('export PATH=$PATH:/sw/bin:/bin:/usr/bin:/usr/local/bin; which ffmpeg')) {
    variable_set('ffmpeg_wrapper_path', $path);
    drupal_set_message(t('The FFmpeg binary was found. You are ready to start transcoding files.'));
  }
  else {
    drupal_set_message(t('The FFmpeg binary was not found. You will need to set the path by hand !here.',
      array('!here' => l(t('here'), 'admin/settings/ffmpeg_wrapper'))
    ));
  }
}


/**
 * Implementation of hook_requirements().
 *
 * TODO: We could probably check the swfobject file's version here too, similar
 * to how the jQuery_update 5.x module checks version of jQuery.
 */
function ffmpeg_wrapper_requirements($phase) {
  $requirements = array();
  $t = get_t();

  // Do not link to the settings page when module is installed from install.php
  // as part of an installation profile.
  $args = array('!url' => function_exists('db_result') ? l($t('Please update your settings'), 'admin/settings/ffmpeg_wrapper') : $t('Please configure FFmpeg Wrapper after installation.'));
  if (! variable_get('ffmpeg_wrapper_path', false)) {
    $error_message = $t('The path to FFmpeg is not set correctly or missing. !url', $args);
  }
  else if (! file_exists(variable_get('ffmpeg_wrapper_path', false))) {
    $error_message = $t('The path that you have set to FFmpeg does not appear to be correct. !url', $args);
  }

  if ($error_message) {
    // we need to explicitly set the message when installing the module,
    // because drupal_check_module() in install.inc doesn't print out
    // warning messages, and we prefer to tell the user what's wrong.
    if ($phase == 'install') {
      drupal_set_message($error_message, 'warning');
    }
    $requirements['ffmpeg_wrapper'] = array(
      'title' => $t('FFmpeg Wrapper'),
      'description' => $error_message,
      'severity' => $phase == 'install' ? REQUIREMENT_WARNING : REQUIREMENT_ERROR,
      'value' => $t('Copy swfobject.js'),
    );
  }
  elseif ($phase == 'runtime') {
    $requirements['ffmpeg_wrapper'] = array(
      'title' => $t('FFmpeg Wrapper'),
      'severity' => REQUIREMENT_OK,
      'value' => $t('Installed correctly'),
    );
  }

  return $requirements;
}