[Invalid] Increase subtitles size

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Anonimozzo
Posts: 5
Joined: Tue Oct 07, 2008 9:18 pm

[Invalid] Increase subtitles size

Post by Anonimozzo »

Hi! I'm using handbrake svc3402 x86_x64.
Everything work fine on my iPad but I need to increase the size of subtitles! They are a little small when I watch a converted video on my iPad?

Can someone help me?

Thank in advance!
Deleted User 11865

Re: Increase subtitles size

Post by Deleted User 11865 »

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Ritsuka
HandBrake Team
Posts: 1728
Joined: Fri Jan 12, 2007 11:29 am

Re: Increase subtitles size

Post by Ritsuka »

Send a bug report the apple.
Deleted User 11865

Re: Increase subtitles size

Post by Deleted User 11865 »

Ritsuka wrote:Send a bug report the apple.
So the iPad does not respect the requested subtitle dimensions?
Anonimozzo
Posts: 5
Joined: Tue Oct 07, 2008 9:18 pm

Re: Increase subtitles size

Post by Anonimozzo »

ok, an example taken directly from the iPad: http://img697.imageshack.us/f/exampledg.jpg/


the subtitles at the bottom are too small for me :( sob...


subler doesn't work. :(
Deleted User 11865

Re: Increase subtitles size

Post by Deleted User 11865 »

Anonimozzo wrote:subler doesn't work. :(
Subler works with QuickTime (i.e. QuickTime does respect the subtitle dimensions set in Subler), so this looks like an iPad bug (which is not a surprise given how Ritsuka - the Subler developer - indicated it was).
Anonimozzo
Posts: 5
Joined: Tue Oct 07, 2008 9:18 pm

Re: Increase subtitles size

Post by Anonimozzo »

Another test:

http://img806.imageshack.us/f/img0007g.png/

On windows I try with Xilisoft Video Converter Ultimate (demo), undex OS X with Submerge (but export to iPad format at 3/4 fps.. toooooo slow!!!!!)

In any case, Handbrake remains on top for quality image!
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Ritsuka
HandBrake Team
Posts: 1728
Joined: Fri Jan 12, 2007 11:29 am

Re: Increase subtitles size

Post by Ritsuka »

Is your last test image from a movie with soft subs or hard subs? Because if you burn them in video you can have the size you want.
Anonimozzo
Posts: 5
Joined: Tue Oct 07, 2008 9:18 pm

Re: Increase subtitles size

Post by Anonimozzo »

yes, the subs are hardsubbed.
All my subtitles are in srt format and I must find a way to burn them with Handbrake.

What progam can I use to convert text-based subtitles in vobsub subtitles to hardsub with handbrake?!
eduo
Posts: 19
Joined: Mon Feb 02, 2009 10:51 am

Re: [Invalid] Increase subtitles size

Post by eduo »

This is partly an apple problem. But it's also a problem of Handbrake.

Currently handbrake is hardcoding the size of the subtitles in the temporary TTXT XML file it creates for import into the video. It's hardcoding this in a way that makes sense for an iPhone screen. The size must be increased if the target is an iPad. I can only imagine that the only way to have working subs for both iphone and ipad is to encode them using the final resolution of the iPad and have the iPhone scale them down accordingly.

In general, I believe the fact that TTXT is specificied in pixels instead of a percentage is a problem that becomes obvious in cases like this. Subtitles for iOS should either scale themselves (there's almost no access to format anyway, iOS might as well remove size from the equation too)

The other bug is that if subtitles are misaligned for some reason (for example, a stupid credits subtitle that "steps" a bit between two other subs) all subtitles after that will break. This most likely is because the conversion to TTXT is done in a way that all subs are taken at face value and only their duration and distance from the the previous one is recorded, not when they actually start.
mduell
Veteran User
Posts: 8317
Joined: Sat Apr 21, 2007 8:54 pm

Re: Increase subtitles size

Post by mduell »

Anonimozzo wrote:yes, the subs are hardsubbed.
All my subtitles are in srt format and I must find a way to burn them with Handbrake.

What progam can I use to convert text-based subtitles in vobsub subtitles to hardsub with handbrake?!
Just convert to SSA text subtitles; the HandBrake nightly can hardsub those.
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