media_entity_audio.module in Media entity audio 8.3

Media entity for audio files.

File

media_entity_audio.module

<?php

/**
 * @file
 * Media entity for audio files.
 */

/**
 * Implements hook_theme().
 */
function media_entity_audio_theme() {
  return [
    'media_audio' => [
      'variables' => [
        'sources' => [],
        'controls' => FALSE,
      ],
    ],
  ];
}

/**
 * Template preprocess function for media_audio template.
 */
function template_preprocess_media_audio(&$vars) {
  $guesser = \Drupal::service('file.mime_type.guesser');
  $vars['sources'] = array_map(function ($source) use ($guesser) {
    return [
      'url' => $source,
      'type' => _media_entity_audio_map_mime($guesser
        ->guess($source)),
    ];
  }, $vars['sources']);
  if ($vars['controls']) {
    $vars['attributes']['controls'] = 'controls';
  }
}

/**
 * Maps mimetype to the value expected by the <audio> tag.
 *
 * If an unsupported mime is detected NULL will be returned instead.
 *
 * @return string|null
 *   Mimetype expected by <audio> tag or NULL if not supported.
 */
function _media_entity_audio_map_mime($mime) {
  if ($mime == 'audio/x-wav') {
    return 'audio/wav';
  }
  elseif (in_array($mime, [
    'audio/mpeg',
    'audio/ogg',
  ])) {
    return $mime;
  }
  return NULL;
}

Functions

Name	Description
media_entity_audio_theme	Implements hook_theme().
template_preprocess_media_audio	Template preprocess function for media_audio template.
_media_entity_audio_map_mime	Maps mimetype to the value expected by the <audio> tag.