[x264-devel] Re: 422 samples

[Baptiste Coudurier]

Hi

Loren Merritt wrote:
> On Wed, 8 Nov 2006, E.Chalaron wrote:
> 
>> Well, this format is not compressed despite what the headers say, and
>> neither ffmpeg nor mencoder can read that.
>> Ideally I'd like to keep the XGA size and the 422 for projection in HD.
>> Thanks
> 
> x264 does not support 422, and neither does any other published h264
> encoder besides the reference. mpeg4/h263 don't even allow 422 in the
> standard, so you'd have to go all the way back to mpeg2 if you really
> want 422.
> 
> If you use mencoder or ffmpeg, they'll automatically convert it to 420.
> 

ffmpeg can encode mjpeg and mpeg2 in 422 too.

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