Initial commit

2016-12-22 03:15:02 +01:00
commit 58f27830f4
20 changed files with 654 additions and 0 deletions
--- a/plugins/ffmpeg/plugin.php
+++ b/plugins/ffmpeg/plugin.php
@ -0,0 +1,89 @@
+<?php
+
+namespace VfxApply\Plugin\Ffmpeg;
+
+use VfxApply\Plugin;
+use VfxApply\Input;
+use VfxApply\Output;
+use VfxApply\Preset;
+
+class FfmpegPlugin extends Plugin
+{
+    public function getName()
+    {
+        return "ffmpeg";
+    }
+    
+    private function appendFilterOption($filter, $key, $value=null)
+    {
+        if (strpos($filter,"=")===false) {
+            $filter.= "=";
+        } else {
+            $filter.= ":";
+        }
+        $filter.= $key . ($value?"={$value}":"");
+        return $filter;
+    }
+
+    public function applyPreset(Preset $preset, Input $input, Output $output)
+    {
+        // Get filter string from preset
+        $filter = $preset->get("filter");
+        $type = $preset->get("type")?:"complex";
+        $extra = $preset->get("extra");
+
+        switch ($type) {
+            case 'audio': 
+                $filter_type = "-af"; 
+                $filter_extra = "";
+                break;
+            case 'video': 
+                $filter_type = "-vf"; 
+                $filter_extra = "";
+                break;
+            case 'complex': 
+            default: 
+                $filter_type = "-filter_complex"; 
+                $filter_extra = "";
+                break;
+        }
+        /*if (($size = $preset->getParam("size"))) {
+            $filter = $this->appendFilterOption($filter, "s", $size);
+        }*/
+
+        // Create a progress dialog 
+        $dialog = $this->createDialog(DIALOG_PROGRESS, "Applying filter");
+        $dialog->show();
+
+        // Create command line to run ffmpeg
+        $cmdline = sprintf(
+            "ffmpeg -loglevel error -y -stats -i %s %s %s %s %s 2>&1",
+            escapeshellarg($input->getFilename()),
+            $filter_type,
+            escapeshellarg($filter),
+            trim($extra." ".$filter_extra),
+            escapeshellarg($output->getFilename())
+        );
+
+        // Create a coprocess for ffmpeg
+        $frames = $input->getVideoDuration()->frames;
+        $ffmpeg = $this->createProcess($cmdline, function ($read) use ($dialog,$frames) {
+            $dialog->setText(trim($read));
+            if (preg_match('/^frame=[\s]*([0-9]+)\s/', trim($read), $match)) {
+                $frame = intval($match[1]);
+                $pc = round($frame/$frames*100);
+                $dialog->setProgress($pc);
+            }
+            if ($dialog->isCancelled()) return false;
+            
+            // frame= 4140 fps=102 q=-1.0 Lsize=    4559kB time=00:00:48.04 bitrate= 777.3kbits/s speed=1.18x  
+        });
+        $ffmpeg->run();
+
+        unset($dialog);
+
+    }
+
+}
+
+return new FfmpegPlugin();