EC2サーバーでのFFmpegでのエンコードがffmpeg failed to execute commandで失敗する。

local.ERROR: ffmpeg failed to execute command '/usr/local/bin/ffmpeg' '-y' '-i' '/home/ec2-user/hoge/www/storage/app/video/filename' '-threads' '12' '-vcodec' 'libx264' '-acodec' 'aac' '-b:v' '500k' '-refs' '6' '-coder' '1' '-sc_threshold' '40' '-flags' '+loop' '-me_range' '16' '-subq' '7' '-i_qfactor' '0.71' '-qcomp' '0.6' '-qdiff' '4' '-trellis' '1' '-b:a' '128k' '-vf' '[in]scale=480:270 [out]' '-pass' '1' '-passlogfile' '/tmp/ffmpeg-passes60c16cc7400d44ccrq/pass-60c16cc740722' '/home/ec2-user/hoge/www/storage/app/video/filenameSD'  
local.ERROR: Encoding failed {"userId":1111,"email":"hoge@hoge.jp","exception":"[object] (FFMpeg\\Exception\\RuntimeException(code: 0): Encoding failed at /home/ec2-user/hoge/www/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/Media/AbstractVideo.php:106, Alchemy\\BinaryDriver\\Exception\\ExecutionFailureException(code: 0): ffmpeg failed to execute command '/usr/local/bin/ffmpeg' '-y' '-i' '/home/ec2-user/hoge/www/storage/app/video/filename' '-threads' '12' '-vcodec' 'libx264' '-acodec' 'aac' '-b:v' '500k' '-refs' '6' '-coder' '1' '-sc_threshold' '40' '-flags' '+loop' '-me_range' '16' '-subq' '7' '-i_qfactor' '0.71' '-qcomp' '0.6' '-qdiff' '4' '-trellis' '1' '-b:a' '128k' '-vf' '[in]scale=480:270 [out]' '-pass' '1' '-passlogfile' '/tmp/ffmpeg-passes60c16cc7400d44ccrq/pass-60c16cc740722' '/home/ec2-user/hoge/www/storage/app/video/filenameSD' at /home/ec2-user/hoge/www/vendor/alchemy/binary-driver/src/Alchemy/BinaryDriver/ProcessRunner.php:100)

$file = new File($localFile);

$format = new \FFMpeg\Format\Video\X264('aac');
$format->setKiloBitrate(500);
$file_name = $media->file_name;

FFMpeg::fromDisk('local')
    ->open($file_name)
    //->addFilter( '-vf', config('scale=480:270'))
    ->addFilter(function ($filters) {
        $filters->resize(new \FFMpeg\Coordinate\Dimension(480, 270));
    })
    //->addFilter( '-an', config(''))
    //->addFilter( '-preset', config('fast'))
    //->addFilter( '-tune', config('film'))
    //->addFilter( '-crf', config('23'))
    ->export()
    ->toDisk('local')
    ->inFormat( $format )
    ->save($file_name.'SD');

$pathInfo = pathinfo($file_name.'SD');
$media->file_name = $file_name.'SD';
$media->save();
\Storage::disk('s3')->putFileAs(
    $pathInfo['dirname'],
    $file,
    $pathInfo['filename']
    );
$diskLocal->delete($file_name.'SD');
$diskLocal->delete($file_name);