[FFmpeg-user] x264 with 4:2:2 colorspace
betonpfeiler
betonpfeiler at googlemail.com
Wed Jun 1 17:22:41 CEST 2011
Am 01.06.2011 17:08, schrieb Dave Rice:
> On Jun 1, 2011, at 11:04 AM, betonpfeiler wrote:
>
>> Am 01.06.2011 16:37, schrieb James Darnley:
>>> On 01/06/2011, betonpfeiler<betonpfeiler at googlemail.com> wrote:
>>>>> I'm trying to encode a file to an AVC-intra like codec. For testing I'm
>>>>> using the following command:
>>>>>
>>>>> ffmpeg -i test.avi' -vcodec libx264 -pix_fmt yuv422p -vpre fast -b 100M
>>>>> -intra 'avcintra.mp4'
>>>>>
>>>>> The problem is, I can't get ffmpeg to keep the 4:2:2 pix format, it
>>>>> always falls back to 4:2:0 on the High-Level. How can I set ffmpeg to
>>>>> the high4:2:2-Level?
>>> You can't because x264 only supports 420
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>> bollocks. Does anyone know an opensource, or at least affordable AVC-Intra (h.264, 100Mbit/s, Intraframe only, 4:2:2 colorsampling) encoder?
> This wikipedia table shows that h264 encoders that do support 4:2:2 (not many), http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Software_encoder_feature_comparison. I don't know if any are open source.
> Dave Rice
> avpreserve.com
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>
Thanks for the List. these encoder aren' t open source... but I found
an AVC-Intra Plug-In for the Compressor on the Panasonic website. And as
I have access to a final cut workstation, I'll go with this. Thanks for
your effort!
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