[FFmpeg-devel] using usb hardware h264 encoders

[Michael Niedermayer]

On Mon, Nov 09, 2009 at 02:29:14PM +0200, Sergiy wrote:
> Michael Niedermayer ?????:
>> what is UV12 blocked?
>>   
>
> It's bug, must be NV12 (YUV 4:2:0 image with a plane of 8 bit Y samples 
> followed by an interleaved U/V plane containing 8 bit 2x2 subsampled colour 
> difference samples). But width must be divisible by 64 and height - by 32. 
> It also converted by some (unknown to me) algorithm, looks like chess desk 
> with 32x64 cells. Some description of converting given at the top of 
> crusher264/src/imgConverter.c

and where do i find that file?


>
>> whats a qbox cts ?
>>   
> This is "current timestamp", generated by device, here is values, generated 

is there some documentation about it somewhere?


> for 25fps:
> 0 - for sps/pps.
> 0 - for first frame (idr).
> next frames: 100, 200, 300, 400, 500 and so on...

does the hardware support b frames?


[....]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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