[x264-devel] Potential bug in transform bypass 8x8

Igor Mozolevsky igor at hybrid-lab.co.uk
Sat Jun 22 03:26:04 CEST 2013


On 22 June 2013 02:06, Pavel Koshevoy <pkoshevoy at gmail.com> wrote:
> On 06/21/2013 06:38 PM, Jason Garrett-Glaser wrote:
>>
>> On Fri, Jun 21, 2013 at 3:22 PM, Alain Champenois <achampen at matrox.com>
>> wrote:

[snip]


>> This can already be done with --no-8x8dct, so I'm not sure it's worth
>> bothering hacking into x264.
>>
>
> Would it not be more correct to handle this within libx264 rather than
> externally?  The API user (like myself) may not know anything about H.264
> lossless spec and the need to disable 8x8dct for lossless compression.

Can this not be done programatically, i.e. set --no-8x8dct flags if
the options parser encounters a lossless option?


-- 
Igor M.


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