From 4d76b26d1dc90be7672dbfc8fa084df8a412562d Mon Sep 17 00:00:00 2001
From: Romain Biard <romain@digitallift.fr>
Date: Wed, 11 Jan 2017 11:17:47 -0300
Subject: [PATCH] We improve the way we pass the number of digits in the
 filename

---
 src/FFMpeg/Filters/Video/ExtractMultipleFramesFilter.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/FFMpeg/Filters/Video/ExtractMultipleFramesFilter.php b/src/FFMpeg/Filters/Video/ExtractMultipleFramesFilter.php
index e3db5b9..21f6746 100644
--- a/src/FFMpeg/Filters/Video/ExtractMultipleFramesFilter.php
+++ b/src/FFMpeg/Filters/Video/ExtractMultipleFramesFilter.php
@@ -105,11 +105,13 @@ class ExtractMultipleFramesFilter implements VideoFilterInterface
 
             // Set the number of digits to use in the exported filenames
             $nbDigitsInFileNames = ceil( $duration * $nbFramesPerSecond );
+            if($nbDigitsInFileNames < 10)
+                $nbDigitsInFileNames = '0' . (string)$nbDigitsInFileNames;
 
             // Set the parameters
             $commands[] = '-vf';
             $commands[] = 'fps=' . $this->frameRate;
-            $commands[] = $this->destinationFolder . 'frame-%0'.$nbDigitsInFileNames.'d.jpg';
+            $commands[] = $this->destinationFolder . 'frame-%'.$nbDigitsInFileNames.'d.jpg';
         }
         catch (RuntimeException $e) {
             throw new RuntimeException('An error occured while extracting the frames: ' . $e->getMessage() . '. The code: ' . $e->getCode());