[FFmpeg-devel] [PATCH] AVCHD/H.264 parser: determination of frame type, question about timestamps

[Måns Rullgård]

Ivan Schreter wrote:
> Baptiste Coudurier wrote:
>> Explain me, which these people did one step away from progressive, by
>> encoding each field separately in H.264, while everybody understood that
>> using frame coding in MPEG-2 was really better ?
>>
>> I can't believe it...
>>
>>
> I suppose you wanted to reply to my comment...
>
> I don't know why those people use field coding for interlaced H.264 in
> HD-camcorders, but the fact is, they do. I've checked with Panasonic,
> Canon and Sony camcorders. They all seem to produce field-coded
> interlaced movies (i.e., each frame is coded as two separate field
> pictures).
>
> My Panasonic camcorder can also record in 25p cinema mode. In this case,
> it produces frame-coded progressive movies (i.e., it uses frame picture
> in H.264 instead of two field pictures per frame).

They probably don't have enough processing power for 1080p50/60, and are
too lazy to implement interlaced frame coding.

-- 
M?ns Rullg?rd
mans at mansr.com