[vlc] Re: encode HD sequences to h264

[Måns Rullgård]

Sigmund Augdal <sigmunau at stud.ntnu.no> writes:

> On Wed, Jun 15, 2005 at 02:13:32PM +0200, Philippe De Neve wrote:
>> Hi all,
>> 
>> if I try to encode a HD (1920x1080) video sequence to h264 I get next errors
>> in messages:
>> x264 warning: invalid size 1920x1080
>> Is this because the width/ height ratio is wrong or because  x264 simply
>> does not support such large framesizes.
> It is because h264 requires both vertical and horizontal resolution to be a
> multiple of 16. Try 1920x1088.

This can be fixed in x264 by padding to a proper multiple, and setting
the actual frame size in some headers.  So far, nobody has needed it
badly enough to implement it.  It shouldn't be too difficult, though.

I'll do it if you pay me ;-) (Or maybe if I have nothing else to do)

-- 
Måns Rullgård
mru at inprovide.com

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