MP4 <--> M4V

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macgebruiker
Posts: 17
Joined: Mon Jan 26, 2009 4:49 pm

MP4 <--> M4V

Post by macgebruiker » Wed Jan 13, 2010 8:34 pm

I have made an own profile. I used the High Profile, changed MKV to MP4, X264 -> FFmpeg, set the "constant quality" to 100%, no checking in prefs of "iTunes friendly". Using HB Version 0.9.4 x86_64 (2009112300).

Sometimes it generates a MP4 file and sometimes M4V. This happens when I use the exact same DVD a 2nd time.


I prefer ,MP4. Is there a way to fix this?

ccjensen
Posts: 48
Joined: Tue Jun 03, 2008 11:09 am

Re: MP4 <--> M4V

Post by ccjensen » Wed Jan 13, 2010 9:23 pm

the two file containers are identical, so you can just change the m4v's to mp4's. Bear in mind though that some apple products require the m4v file extension for such things as chapters.

No idea why the same movie encoded twice with the same settings would create a different file extension...

TedJ
Veteran User
Posts: 5388
Joined: Wed Feb 20, 2008 11:25 pm

Re: MP4 <--> M4V

Post by TedJ » Wed Jan 13, 2010 10:52 pm

In the absence of the "iTunes friendly" option, the .m4v suffix will be used if your encode has an AC3 passthrough track, embedded chapters or soft subtitles.

macgebruiker
Posts: 17
Joined: Mon Jan 26, 2009 4:49 pm

Re: MP4 <--> M4V

Post by macgebruiker » Fri Jan 15, 2010 10:49 am

Thanks all for clearing this up.

kidtreo
Posts: 1
Joined: Tue Jan 19, 2010 7:39 pm

Re: MP4 <--> M4V

Post by kidtreo » Tue Jan 19, 2010 7:43 pm

Hello,

Why does Handbrake ONLY allow transcoding to M4v or MP4? These are difficult formats to edit with and further, I've experienced strange debillitating video and audio corruption that only shows on some computers and not on others causing an enormous amount of frustration.

Truthfully, I need to transcode DVD's to a better more stable and reliable format...any suggestions on a different app - or ways to do this with HB?


Thank you!

TedJ
Veteran User
Posts: 5388
Joined: Wed Feb 20, 2008 11:25 pm

Re: MP4 <--> M4V

Post by TedJ » Tue Jan 19, 2010 10:31 pm

Because Handbrake was never intended to be used for preparing assets for editing? As is mentioned in the FAQ, Handbrake is a poor tool for the job and there are many alternatives... I've personally used MPEG Streamclip, Cinematize Pro and avidemux to name a few.

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