From c8a6ca728f5cd971b8d2f542197f80d9dd310dc7 Mon Sep 17 00:00:00 2001
From: Chris <christian@haschek.at>
Date: Thu, 29 Mar 2018 12:58:39 +0200
Subject: [PATCH] added re-encoding scripts to fix most mp4s. Also allows to
 render ogg and webm. closes #51

---
 bin/ffmpeg                    | Bin
 models/pictsharemodel.php     |   2 +-
 template_mp4.php              |   8 ++-
 tools/re-encode_mp4.php       | 109 ++++++++++++++++++++++++++++++++++
 upload/.gitignore             |   0
 upload/.htaccess              |   0
 upload/deletecodes/.gitignore |   0
 7 files changed, 116 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 bin/ffmpeg
 create mode 100644 tools/re-encode_mp4.php
 mode change 100644 => 100755 upload/.gitignore
 mode change 100644 => 100755 upload/.htaccess
 mode change 100644 => 100755 upload/deletecodes/.gitignore

diff --git a/bin/ffmpeg b/bin/ffmpeg
old mode 100644
new mode 100755
diff --git a/models/pictsharemodel.php b/models/pictsharemodel.php
index 7aaf67f..c88d643 100644
--- a/models/pictsharemodel.php
+++ b/models/pictsharemodel.php
@@ -853,7 +853,7 @@ class PictshareModel extends Model
 		switch($type)
 		{
 			case 'mp4': 
-				$addition = '-c:v libx264';
+				$addition = '-c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p';
 			break;
 		}
 		
diff --git a/template_mp4.php b/template_mp4.php
index dbcdfc8..1e2f1ee 100644
--- a/template_mp4.php
+++ b/template_mp4.php
@@ -40,8 +40,12 @@
         <div id="container">
             <video id="video" poster="<?php echo DOMAINPATH.PATH.'preview/'.$hash; ?>" preload="auto" autoplay="autoplay" muted="muted" loop="loop" webkit-playsinline>   
                 <source src="<?php echo DOMAINPATH.PATH.'raw/mp4/'.$hash; ?>" type="video/mp4">
-                <!--<source src="<?php echo DOMAINPATH.PATH.'raw/webm/'.$hash; ?>" type="video/webm"> 
-                <source src="<?php echo DOMAINPATH.PATH.'raw/ogg/'.$hash; ?>" type="video/ogg">-->
+                <?php
+                    if(file_exists(ROOT.DS.'upload'.DS.$hash.DS.'webm_1.'.$hash))
+                        echo '<source src="'.DOMAINPATH.PATH.'raw/webm/'.$hash.'" type="video/webm">'."\n";
+                    if(file_exists(ROOT.DS.'upload'.DS.$hash.DS.'ogg_1.'.$hash))
+                        echo '<source src="'.DOMAINPATH.PATH.'raw/ogg/'.$hash.'" type="video/ogg">'."\n";
+                ?>
             </video>
         </div>
             <small><?php echo $filesize; ?></small>
diff --git a/tools/re-encode_mp4.php b/tools/re-encode_mp4.php
new file mode 100644
index 0000000..7e70828
--- /dev/null
+++ b/tools/re-encode_mp4.php
@@ -0,0 +1,109 @@
+<?php 
+
+/*
+* MP4 re-encoder
+* Since we don't know where the mp4's come from we'll have to handle them ourselves
+* While desktop browsers are more forgiving older phones might not be
+*
+*/ 
+
+if(php_sapi_name() !== 'cli') exit('This script can only be called via CLI');
+error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT & ~E_NOTICE);
+define('DS', DIRECTORY_SEPARATOR);
+define('ROOT', dirname(__FILE__).DS.'..');
+include_once(ROOT.DS.'inc/config.inc.php');
+include_once(ROOT.DS.'inc/core.php');
+
+$pm = new PictshareModel();
+
+$dir = ROOT.DS.'upload'.DS;
+$dh  = opendir($dir);
+$localfiles = array();
+
+if(in_array('noskip',$argv))
+{
+    echo "Won't skip existing files\n\n";
+    $allowskipping = false;
+}
+else
+    $allowskipping = true;
+
+//making sure ffmpeg is executable
+system("chmod +x ".ROOT.DS.'bin'.DS.'ffmpeg');
+
+echo "[i] Finding local mp4 files ..";
+while (false !== ($filename = readdir($dh))) {
+    $img = $dir.$filename.DS.$filename;
+    if(!file_exists($img)) continue;
+    $type = pathinfo($img, PATHINFO_EXTENSION);
+    $type = $pm->isTypeAllowed($type);
+    if($type=='mp4')
+        $localfiles[] = $filename;
+}
+
+if(count($localfiles)==0) exit('No MP4 files found'."\n");
+
+echo " done. Got ".count($localfiles)." files\n";
+
+echo "[i] Starting to convert\n";
+foreach($localfiles as $hash)
+{
+    $img = $dir.$hash.DS.$hash;
+    $tmp = ROOT.DS.'tmp'.DS.$hash;
+    if(file_exists($tmp) && $allowskipping==true)
+        echo "Skipping $hash\n";
+    else 
+    {
+        $cmd = "../bin/ffmpeg -y -i $img -loglevel panic -vcodec libx264 -an -profile:v baseline -level 3.0 -pix_fmt yuv420p -vf \"scale=trunc(iw/2)*2:trunc(ih/2)*2\" $tmp && cp $tmp $img";
+        echo "  [i] Converting $hash";
+        system($cmd);
+        echo "\tdone\n";
+    }
+
+    if(in_array('ogg',$argv))
+    {
+        $tmp = ROOT.DS.'tmp'.DS.$hash.'.ogg';
+        $ogg = $dir.$hash.DS.'ogg_1.'.$hash;
+        if(file_exists($ogg) && $allowskipping==true)
+            echo "Skipping OGG of $hash\n";
+        else
+        {
+            echo "  [OGG] User wants OGG. Will do.. ";
+            $cmd = "../bin/ffmpeg -y -i $img -loglevel panic -vcodec libtheora -an $tmp && cp $tmp $ogg";
+            system($cmd);
+            echo "done\n";
+        }
+    }
+
+    if(in_array('webm',$argv))
+    {
+        $tmp = ROOT.DS.'tmp'.DS.$hash.'.webm';
+        $webm = $dir.$hash.DS.'webm_1.'.$hash;
+        if(file_exists($webm) && $allowskipping==true)
+            echo "Skipping WEBM of $hash\n";
+        else
+        {
+            echo "  [WEBM] User wants WEBM. Will do.. ";
+            $cmd = "../bin/ffmpeg -y -i $img -loglevel panic -c:v libvpx -crf 10 -b:v 1M $tmp && cp $tmp $webm";
+            system($cmd);
+            echo "done\n";
+        }
+    }
+
+    
+}
+
+
+function renderSize($bytes, $precision = 2) { 
+    $units = array('B', 'KB', 'MB', 'GB', 'TB'); 
+
+    $bytes = max($bytes, 0); 
+    $pow = floor(($bytes ? log($bytes) : 0) / log(1024)); 
+    $pow = min($pow, count($units) - 1); 
+
+    // Uncomment one of the following alternatives
+    $bytes /= pow(1024, $pow);
+    // $bytes /= (1 << (10 * $pow)); 
+
+    return round($bytes, $precision) . ' ' . $units[$pow]; 
+} 
\ No newline at end of file
diff --git a/upload/.gitignore b/upload/.gitignore
old mode 100644
new mode 100755
diff --git a/upload/.htaccess b/upload/.htaccess
old mode 100644
new mode 100755
diff --git a/upload/deletecodes/.gitignore b/upload/deletecodes/.gitignore
old mode 100644
new mode 100755