Added video_ffmpeg_helper plugin to add some apis for ffmpeg.

Changed video_image to use video_ffmpeg_helper.

2 files changed, 210 insertions, 0 deletions

diff --git a/plugins/video_ffmpeg_helper/video_ffmpeg_helper.info b/plugins/video_ffmpeg_helper/video_ffmpeg_helper.info
new file mode 100644
index 0000000..5799a90
--- /dev/null
+++ b/plugins/video_ffmpeg_helper/video_ffmpeg_helper.info
@@ -0,0 +1,5 @@
+; $Id$
+name = Video ffmpeg Helper
+description = Provide apis for ffmpeg. Simplify video nodes creation.
+dependencies = video
+package = "Video"
diff --git a/plugins/video_ffmpeg_helper/video_ffmpeg_helper.module b/plugins/video_ffmpeg_helper/video_ffmpeg_helper.module
new file mode 100644
index 0000000..78ce78b
--- /dev/null
+++ b/plugins/video_ffmpeg_helper/video_ffmpeg_helper.module
@@ -0,0 +1,205 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Provide some api for use ffmpeg. Simplify video nodes creation.
+ *
+ * @author Fabio Varesano <fvaresano at yahoo dot it>
+ */
+
+
+/**
+ * Implementation of hook_help().
+ */
+function video_ffmpeg_helper_help($section) {
+  switch ($section) {
+    case 'admin/modules#description':
+      return t('Enable thumbnails support for video module.');
+  }
+}
+
+/**
+ * Implementation of hook_menu()
+ */
+function video_ffmpeg_helper_menu($may_cache) {
+  $items = array();
+  if ($may_cache) {
+      $items[] = array(
+      'path' => 'admin/content/video/ffmpeg_helper',
+      'title' => t('Video ffmpeg Helper'),
+      'description' => t('Administer video_ffmpeg_helper module settings'),
+      'callback' => 'drupal_get_form',
+      'callback arguments' => array('video_ffmpeg_helper_admin_settings'),
+      'access' => user_access('administer site configuration'),
+      'type' => MENU_NORMAL_ITEM,
+    );
+  }
+  return $items;
+}
+
+/**
+ * Validation for settings form
+ */
+function video_ffmpeg_helper_admin_settings_validate($form_id, &$form_values, &$form) {
+  if ($form_values['video_ffmpeg_helper_auto_thumbnail']) {
+    if (function_exists('is_executable')) {
+      $test = 'is_executable';
+    } else {
+      $test = 'file_exists';
+    }
+    if (!$test($form_values['video_ffmpeg_helper_ffmpeg_path'])) {
+      form_set_error('video_image_ffmpeg_path', t('Set correct path for thumbnailer'));
+    }
+    if (!is_numeric($form_values['video_ffmpeg_helper_auto_thumbnail_seek'])) {
+      form_set_error('video_ffmpeg_helper_auto_thumbnail_seek', t('Seek time must be an integer'));
+    }
+	$options = $form_values['video_ffmpeg_helper_thumbnailer_options'];
+	if (!strstr($options, '%videofile') || !strstr($options, '%thumbfile')) {
+	  form_set_error('video_ffmpeg_helper_thumbnailer_options', t('Thumbnail options must contain mandatory arguments %videofile and %thumbfile'));
+	}
+  }
+}
+
+
+/**
+ * Settings form
+ */
+function video_ffmpeg_helper_admin_settings() {
+  // let's execute after video_image
+  if (module_exists('video_image')) {
+    if (variable_get('video_ffmpeg_helper_auto_thumbnail', 0)) {
+      $upload_weight = db_result(db_query("SELECT weight FROM {system} WHERE name='video_image'"));
+      db_query("UPDATE {system} SET weight=".($upload_weight+1)." WHERE name='video_ffmpeg_helper'");
+    }
+  }
+  
+  $form['video_ffmpeg_helper_ffmpeg_path'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Ffmpeg executable path'),
+    '#description' => t('Set the full path to the ffmpeg executable here.'),
+    '#default_value' => variable_get('video_ffmpeg_helper_ffmpeg_path', '/usr/bin/ffmpeg'),
+  );
+  
+  $form['autothumb'] = array(
+          '#type' => 'fieldset',
+          '#title' => t('Automatic video thumbnailing'),
+          '#collapsible' => TRUE,
+          '#collapsed' => TRUE
+      );
+  $form['autothumb']['video_ffmpeg_helper_auto_thumbnail'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Auto thumbnail for videos'),
+      '#description' => t('If set up correctly, this will auto-generate a thumbnail for each video created.'),
+      '#default_value' => variable_get('video_ffmpeg_helper_auto_thumbnail', false),
+    );
+  $form['autothumb']['video_ffmpeg_helper_auto_thumbnail_only'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Use auto-thumbnailer exclusively for video images'),
+      '#description' => t('If checked, this will disable the file upload box for the user-supplied thumbnail.  Only check this if you have checked to be sure that auto-thumbnailing works.  Auto thumbnail must be selected for this to be enabled.'),
+      '#default_value' => variable_get('video_ffmpeg_helper_auto_thumbnail_only', false),
+      '#disabled' => !variable_get('video_ffmpeg_helper_auto_thumbnail', false),
+    );
+  $form['autothumb']['video_ffmpeg_helper_thumbnailer_options'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Video thumbnailer options'),
+      '#description' => t('Provide the options for the thumbnailer.  Available argument values are: ').'<ol><li>'.t('%videofile (the video file to thumbnail)').'<li>'.t('%thumbfile (a newly created temporary file to overwrite with the thumbnail)').'<li>'.t('%seek (seconds to seek into video before extracting image).').'</ol>'.t('Only the first two are mandatory.  For example, older versions of ffmpeg should use something like: !old While newer versions should use something like: !new', array('!old' => "<div>-i %videofile -y -an -f mjpeg -ss %seek -t 0.001 %thumbfile</div>", '!new' => '<div>-i %videofile -an -y -f mjpeg -ss %seek -vframes 1 %thumbfile</div>')),
+      '#default_value' => variable_get('video_ffmpeg_helper_thumbnailer_options', '-i %videofile -an -y -f mjpeg -ss %seek -vframes 1 %thumbfile'),
+    );
+  $form['autothumb']['video_ffmpeg_helper_auto_thumbnail_seek'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Video seek offset for thumbnail'),
+      '#description' => t('Time in seconds to seek into video before extracting the thumbnail'),
+      '#default_value' => variable_get('video_ffmpeg_helper_auto_thumbnail_seek', 2),
+    );
+  $form['autothumb']['video_ffmpeg_helper_auto_thumbnail_debug'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Debug auto-thumbnail process'),
+      '#default_value' => variable_get('video_ffmpeg_helper_auto_thumbnail_debug', false),
+    );
+  return system_settings_form($form);
+}
+
+
+/**
+ * Implementation of hook_form_alter()
+ */
+function video_ffmpeg_helper_form_alter($form_id, &$form) {
+
+  //print_r($form); 
+  if($form_id == 'video_node_form') {
+
+    if (function_exists('_image_check_settings')) {
+      _image_check_settings();
+      $form['#attributes'] = array("enctype" => "multipart/form-data");
+
+      if (variable_get('video_ffmpeg_helper_auto_thumbnail_only', false)) {
+        // delete the video image parts
+        $form['image'] = NULL;
+      }
+    }
+  }
+
+}
+
+
+/* Generates a thumbnail from the video file
+ *
+ * @param $node
+ *   object with node information
+ *
+ * @return
+ *   a drupal file object
+ */
+function _video_ffmpeg_helper_auto_thumbnail(&$node) {
+  if(empty($_SESSION['video_upload_file']) ||
+      !$_SESSION['video_upload_file']->newfile ||
+      $node->iid || $_SESSION['video_upload_file']->iid ||
+      $_SESSION['video_upload_file']->thumbnailed) {
+    if (variable_get('video_image_auto_thumbnail_debug', false)) {
+      if (empty($_SESSION['video_upload_file']))
+        drupal_set_message(t('no video has been uploaded: make sure that video_image weight is greater than video_upload weight; make sure that the video file is not too large to be uploaded.'));
+    }
+    return null;
+  }
+  $debug = variable_get('video_image_auto_thumbnail_debug', false);
+  $videofile = escapeshellarg($_SESSION['video_upload_file']->filepath);
+  $thumbfile = tempnam(file_directory_temp(), 'tnail-thumb');
+  $seek = variable_get('video_image_auto_thumbnail_seek', 2);
+  $tnail = variable_get('video_image_thumbnailer_path', '/usr/bin/ffmpeg');
+  $options = preg_replace(array('/%videofile/', '/%thumbfile/', '/%seek/'), array($videofile, $thumbfile, $seek), variable_get('video_image_thumbnailer_options', '-i %videofile -an -y -f mjpeg -ss %seek -vframes 1 %thumbfile'));
+
+  $command = "$tnail $options";
+  ob_start();
+  passthru($command." 2>&1", $tnail_return);
+  $tnail_output = ob_get_contents();
+  ob_end_clean();
+
+  if ($debug) {
+    drupal_set_message(t('Thumbnailer command: ').$command);
+    drupal_set_message(t('Thumbnailer output: ')."<pre>\n$tnail_output\n</pre>");
+  }
+  if (!file_exists($thumbfile)) {
+    drupal_set_message(t('video_image_auto_thumbnail: file %file does not exist', array('%file' => $thumbfile)), 'error');
+  }
+  $file = array(
+      'filename' => $_SESSION['video_upload_file']->filename . ".video-thumb.jpg",
+      'filemime' => 'image/jpeg',
+      'filesize' => filesize($thumbfile),
+      'filepath' => $thumbfile,
+      'nid' => $node->nid,
+      );
+  $_SESSION['video_upload_file']->thumbnailed = TRUE;
+  if ($debug) {
+    if ($tnail_return) {
+      drupal_set_message(t('Failed to thumbnail video'));
+    } else {
+      drupal_set_message(t('Successfully thumbnailed video'));
+    }
+  }
+  return (object)$file;
+}
+
+
+
+