How to: mkv 2 mp4 on linux for ps3


	How to: mkv 2 mp4 on linux for ps3

azak_azkaran

2-25-2008 10:16 AM

1547 views

azak_azkaran says:

It explains what u have to do to make a mp4 file out of a mkv file.
it is for ubuntu but could be used on any other distribution

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/75624022-d9e2-4f89-a0d0-94b8deda5633/D052FB6C-9138-4DC3-B63C-7792BCC076CA/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://ubuntuforums.org/archive/index.php/t-548547.html" href="http://ubuntuforums.org/archive/index.php/t-548547.html" style="font-size: 11px;">ubuntuforums.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ubuntuforums.org/archive/index.php/t-548547.html">
Then you have to find out which tracks contains the audio and video.
Run:
$ mkvinfo Heroes_S02E11_720p.mkv<BR /><DIV>
Check out the printout to find the tracks.</DIV>
<BR /><DIV>
(in my mkv file video is on track1 and audio is on track 2. Change the numbers to fit you mkv file)</DIV>
Then demux the mkvfile by running:<BR /><DIV>
$ mkvextract tracks 1:video.h264 2:audio.ac3</DIV>
Next to do is to change one byte inside the video.h264.
$ hexedit video.h264
On the first line you should see this number combination:
"67 64 00 33"
change this to:
"67 64 00 29"<BR /><DIV>
press ctrl-s to save and ctrl-z to exit</DIV>
Then you need to convert audio to aac format.
$ mkfifo audiodump.wav
$ neroAacEnc -ignorelength -q 0.20 -if audiodump.wav -of audio.m4a & mplayer audio.ac3 -vc null -vo null -ao pcm:fast<BR /><DIV>
This may take a couple of minutes.</DIV>
The only thing left is to mux the video and audio file:<BR /><DIV>
$ MP4Box -add video.h264 -add audio.m4a Heroes_S02E11.mp4</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ubuntuforums.org/archive/index.php/t-548547.html"> sudo apt.-get install mkvtoolnix gpac hexedit mplayer</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ubuntuforums.org/archive/index.php/t-548547.html">
Note! This only works if the mkv file video track is H264!!!</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D052FB6C-9138-4DC3-B63C-7792BCC076CA/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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