From 0a9de3deb544e2e5f29e9db539298a8681087847 Mon Sep 17 00:00:00 2001
From: Ian Bradley <marlen.crabapple@gmail.com>
Date: Mon, 15 Sep 2014 16:34:36 -0700
Subject: FFmpeg support for WebMs. Fixes threads with large amounts of WebM's
 causing crashes for some users.

---
 inc/lib/webm/posthandler.php | 72 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 60 insertions(+), 12 deletions(-)

(limited to 'inc/lib/webm/posthandler.php')

diff --git a/inc/lib/webm/posthandler.php b/inc/lib/webm/posthandler.php
index 1f831f5a..308c7507 100644
--- a/inc/lib/webm/posthandler.php
+++ b/inc/lib/webm/posthandler.php
@@ -6,6 +6,34 @@ function postHandler($post) {
     global $board, $config;
 
     if ($post->has_file) foreach ($post->files as &$file) if ($file->extension == 'webm') {
+      if ($config['webm']['use_ffmpeg']) {
+        require_once dirname(__FILE__) . '/ffmpeg.php';
+        $webminfo = get_webm_info($file->file_path);
+
+        if (empty($webminfo['error'])) {
+          $file->width = $webminfo['width'];
+          $file->height = $webminfo['height'];
+
+          if ($config['spoiler_images'] && isset($_POST['spoiler'])) {
+            $file = webm_set_spoiler($file);
+          }
+          else {
+            $file = set_thumbnail_dimensions($post, $file);
+            $tn_path = $board['dir'] . $config['dir']['thumb'] . $file->file_id . '.jpg';
+
+            if(empty(make_webm_thumbnail($file->file_path, $tn_path, $file->thumbwidth, $file->thumbheight))) {
+              $file->thumb = $file->file_id . '.jpg';
+            }
+            else {
+              $file->thumb = 'file';
+            }
+          }
+        }
+        else {
+          return $webminfo['error']['msg'];
+        }
+      }
+      else {
         require_once dirname(__FILE__) . '/videodata.php';
         $videoDetails = videoData($file->file_path);
         if (!isset($videoDetails['container']) || $videoDetails['container'] != 'webm') return "not a WebM file";
@@ -14,10 +42,7 @@ function postHandler($post) {
         $thumbName = $board['dir'] . $config['dir']['thumb'] . $file->file_id . '.webm';
         if ($config['spoiler_images'] && isset($_POST['spoiler'])) {
             // Use spoiler thumbnail
-            $file->thumb = 'spoiler';
-            $size = @getimagesize($config['spoiler_image']);
-            $file->thumbwidth = $size[0];
-            $file->thumbheight = $size[1];
+              $file = webm_set_spoiler($file);
         } elseif (isset($videoDetails['frame']) && $thumbFile = fopen($thumbName, 'wb')) {
             // Use single frame from video as pseudo-thumbnail
             fwrite($thumbFile, $videoDetails['frame']);
@@ -33,17 +58,40 @@ function postHandler($post) {
         if (isset($videoDetails['width']) && isset($videoDetails['height'])) {
             $file->width = $videoDetails['width'];
             $file->height = $videoDetails['height'];
+
             if ($file->thumb != 'file' && $file->thumb != 'spoiler') {
-                $thumbMaxWidth = $post->op ? $config['thumb_op_width'] : $config['thumb_width'];
-                $thumbMaxHeight = $post->op ? $config['thumb_op_height'] : $config['thumb_height'];
-                if ($videoDetails['width'] > $thumbMaxWidth || $videoDetails['height'] > $thumbMaxHeight) {
-                    $file->thumbwidth = min($thumbMaxWidth, intval(round($videoDetails['width'] * $thumbMaxHeight / $videoDetails['height'])));
-                    $file->thumbheight = min($thumbMaxHeight, intval(round($videoDetails['height'] * $thumbMaxWidth / $videoDetails['width'])));
-                } else {
-                    $file->thumbwidth = $videoDetails['width'];
-                    $file->thumbheight = $videoDetails['height'];
+                  $file = set_thumbnail_dimensions($post, $file);
                 }
             }
         }
     }
 }
+
+function set_thumbnail_dimensions($post,$file) {
+  global $board, $config;
+
+  $tn_dimensions = array();
+  $tn_maxw = $post->op ? $config['thumb_op_width'] : $config['thumb_width'];
+  $tn_maxh = $post->op ? $config['thumb_op_height'] : $config['thumb_height'];
+
+  if ($file->width > $tn_maxw || $file->height > $tn_maxh) {
+      $file->thumbwidth = min($tn_maxw, intval(round($file->width * $tn_maxh / $file->height)));
+      $file->thumbheight = min($tn_maxh, intval(round($file->height * $tn_maxw / $file->width)));
+  } else {
+      $file->thumbwidth = $file->width;
+      $file->thumbheight = $file->height;
+  }
+
+  return $file;
+}
+
+function webm_set_spoiler($file) {
+  global $board, $config;
+
+  $file->thumb = 'spoiler';
+  $size = @getimagesize($config['spoiler_image']);
+  $file->thumbwidth = $size[0];
+  $file->thumbheight = $size[1];
+
+  return $file;
+}
-- 
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