Converting media files to MP3. Vyžaduje `ffmpeg`.

convert2mp3

#!/bin/bash

# saves the path to this script's directory
dir=` dirname $0 `

# absolutizes the path if necessary
if echo $dir | grep -v ^/ > /dev/null; then
	dir=` pwd `/$dir
fi

# runs webgen.phpc with script's arguments
php -f "$dir/convert2mp3.phpc" -- $*

convert2mp3.phpc

<?php
	/**
	 * @author		Jan Pecha, <janpecha@email.cz>
	 * @version		2012-09-02-1
	 * @license		New BSD License
	 */
	
	if(($dir = getcwd()) !== false)
	{
		include __DIR__ . '/nette.min.php';
		
		if(isset($_SERVER['argc']) && $_SERVER['argc'] > 1)	// php convert2mp3 mp4 flv
		{
			$first = true;
			$errors = array();
			$masks = array();
			
			foreach($_SERVER['argv'] as $arg)
			{
				if($first)
				{
					$first = false;
					continue;
				}
				
				if(checkExt($arg))
				{
					$masks[] = "*.$arg";
				}
				else
				{
					$errors[] = $arg;
				}
			}
			
			if(count($errors))
			{
				foreach($errors as $ext)
				{
					echo "[error] Pripona '$ext' je divna, zkus to opravit nebo smazat (pripona muze obsahovat pouze a-Z a 0-9 a nesmi byt 'mp3')\n";
				}
				
				exit;
			}
			
			$numOfFiles = 0;
			$errors = array();
			
			foreach (\Nette\Utils\Finder::findFiles($masks)->in($dir) as $file)	// neprohledava podadresare
			{
				if(($pos = strrpos($file, '.')) !== false)
				{
					$nFile = substr($file, 0, $pos) . '.mp3';
					#echo "$nFile\n";
					passthru("ffmpeg -i \"$file\" \"$nFile\"");
					echo "-------------------------------------------\n";
				}
				else
				{
					$errors[] = $file;
				}
				
				#echo "$file\n";
				$numOfFiles++;
			}
			
			echo "Zpracovano $numOfFiles souboru\n";
			
			if(count($errors))
			{
				echo "Nasledujici soubory nebyly zpracovany:\n";
				
				foreach($errors as $file)
				{
					echo "$file\n";
				}
			}
			
			#echo "$numOfFiles\n";
		}
		else
		{
			echo "[error] Nebyly predany pripony souboru, nebo neni program spousten z prikazove radky\n";
		}
	}
	else
	{
		echo "[error] Nepodarilo se ziskat cestu k adresari\n";
	}
	
	
	function checkExt($ext)
	{
		$allowedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
		
		if($ext == 'mp3')
		{
			return false;
		}
		
		$len = strlen($ext);
		
		for($i = 0; $i < $len; $i++)
		{
			if(strpos($allowedChars, $ext[$i]) === false)
			{
				return false;
			}
		}
		
		return true;
	}

Moved to my scripts repository. Go to http://www.github.com/janpecha/scripts.