Index: modules/video_embed_field/src/Plugin/migrate/cckfield/EmField.php
===================================================================
--- modules/video_embed_field/src/Plugin/migrate/cckfield/EmField.php	(date 1448831055000)
+++ modules/video_embed_field/src/Plugin/migrate/cckfield/EmField.php	(date 1448831055000)
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\link\Plugin\migrate\cckfield\LinkField.
+ */
+
+namespace Drupal\emvideo\Plugin\migrate\cckfield;
+
+use Drupal\migrate\Entity\MigrationInterface;
+use Drupal\migrate_drupal\Plugin\migrate\cckfield\CckFieldPluginBase;
+
+/**
+ * @MigrateCckField(
+ *   id = "emvideo"
+ * )
+ */
+class EmvideoField extends CckFieldPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFieldFormatterMap() {
+    // See d6_field_formatter_settings.yml and CckFieldPluginBase
+    // processFieldFormatter().
+    return [
+      'default' => 'emvideo',
+      'embed' => 'emvideo',
+      'value' => 'emvideo',
+      'provider' => 'emvideo',
+      'data' => 'emvideo',
+      'duration' => 'hidden',
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processCckFieldValues(MigrationInterface $migration, $field_name, $data) {
+    $process = [
+      'plugin' => 'd6_cck_emfield',
+      'source' => $field_name,
+    ];
+    $migration->mergeProcessOfProperty($field_name, $process);
+  }
+
+}
Index: modules/video_embed_field/src/Plugin/migrate/process/d6/EmField.php
===================================================================
--- modules/video_embed_field/src/Plugin/migrate/process/d6/EmField.php	(date 1448831055000)
+++ modules/video_embed_field/src/Plugin/migrate/process/d6/EmField.php	(date 1448831055000)
@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\link\Plugin\migrate\process\d6\EmField.
+ */
+
+namespace Drupal\emvideo\Plugin\migrate\process\d6;
+
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\migrate\Entity\MigrationInterface;
+use Drupal\migrate\MigrateExecutableInterface;
+use Drupal\migrate\ProcessPluginBase;
+use Drupal\migrate\Row;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * @MigrateProcessPlugin(
+ *   id = "d6_cck_emfield"
+ * )
+ */
+class EmvideoField extends ProcessPluginBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->migration = $migration;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration = NULL) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $migration
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
+    $attributes = unserialize($value['attributes']);
+    // Drupal 6 link attributes might be double serialized.
+    if (!is_array($attributes)) {
+      $attributes = unserialize($attributes);
+    }
+
+    // Massage the values into the correct form for the link.
+    $route['uri'] = $value['url'];
+    $route['options']['attributes'] = $attributes;
+    $route['title'] = $value['title'];
+    return $route;
+  }
+
+}