docs:video:archiving_mini_dv [hartungdesign.net wiki]

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====== archiving mini dv ======
This details how I'm pulling all video off of my mini dv tapes for easy access on my computers or PS3.

  - rip footage to [[#iMovie]]
  - re-encode .dv files with [[#MPEG Streamclip]]
  - [[#rename files]] according to my archive scheme
  - I then use MediaTomb to automatically read certain directories and make these videos available for my PS3 to stream

===== iMovie =====
  - Open a new iMovie project, in either DV or DV Widescreen format (depending on how you recorded the video onto your tape)
  - Allow iMovie to import the entire tape into clips
  - Save the project and close iMovie

===== MPEG Streamclip =====
  - create a preset with the following:
    * MPEG-4 container
    * H.264 video encoding
    * AAC audio encoding, stereo, 128 kbps
    * 60% Quality
    * Multipass
    * Limit Data Rate to 1000 Kbps
    * Deinterlace Video
    * 640 x 480 (4:3) frame size (or 854 x 480, 16:9 for widescreen)
  - if encoding many files
    - go to List -> Batch List
    - click the Add Files... button
    - select "All Files" from the filter at the bottom
    - go to where your iMovie project is and expand to the Media folder (or open any folder with the files you want to encode if you didn't use iMovie)
    - select all files and click "To Batch"
    - select Export to MPEG-4 as the task and click OK
    - click Presets...
    - select your preset and click Load
    - click To Batch
    - click start to begin encoding all files in the batch
  - if encoding one file
    - open a single file
    - go to File -> Export to MPEG-4...
    - click Presets...
    - select your preset and click Load
    - click Make MP4

====== rename files ======
All of my dv tapes are numbered, such as 001, 013, 021, etc...  I put the encoded files into a folder of the same name.  I then wrote a php script that would take the iMovie named files such as Clip 01.dv (which after encoding is probably Clip 01.mp4), and name them as 001_01.mp4.

**rename_home_movies.php**
<code php>
<?php

/* usage: php rename_home_movies.php <dirname>
 *
 * all files in <dirname> will be renamed if they begin with "Clip " to 
 * "dirname_" + file suffix
 */

if( !isset($argc) || $argc < 2 )
	exit(basename(__FILE__) . " <dir>\n");

if( !is_dir($argv[1]) || !is_readable($argv[1]) )
	exit("$argv[1] is not a readable directory\n");

$dirpath = $argv[1];

chdir($dirpath);
$dh = opendir($dirpath);
$dirname = str_replace(realpath("../") . "/", "", realpath("."));

$noFilesRenamed = true;

while( $file = readdir($dh) ){
	if( preg_match("/^Clip (.*)$/", $file, $matches) == 0 )
		continue;

	$newName = "{$dirname}_{$matches[1]}";

	$result = rename($file, $newName);
	// $result = true; // use this line to test

	if( !$result ){
		echo "FAILED to rename $file\n";
	}else{
		echo "renamed $file to $newName\n";
		$noFilesRenamed = false;
	}

}

closedir($dh);

if( $noFilesRenamed )
	echo "no files were found to rename\n";

</code>

===== See Also =====
  * [[ffmpeg]]
  * [[Quicktime]]