[MPlayer-dev-eng] Lots of stuff for NUT

Loren Merritt lorenm at u.washington.edu
Sat Dec 31 22:42:39 CET 2005


On Sat, 31 Dec 2005, Michael Niedermayer wrote:
> On Sat, Dec 31, 2005 at 10:12:49PM +0200, Oded Shimon wrote:
>> On Sat, Dec 31, 2005 at 09:08:28PM +0100, Michael Niedermayer wrote:
>>> On Sat, Dec 31, 2005 at 09:15:49PM +0200, Oded Shimon wrote:
>>>>
>>>> A legal decode_delay is any decode_delay bigger or equal to the real
>>>> decode_delay. Setting it too big should not affect the result.
>>>
>>> hmm, why not simply make larger decode_delay illegal?
>>
>> Unofrtunately, it's non-trivial to know it in advance with an H.264 file..
>> atleast not when remuxing. You'll most likely nees 2-pass.
>
> hmm, if true that sucks, can any of the x264 devels confirm this? iam too
> lazy to decrypt the h.264 spec ATM and maybe someone already knows the awnser

The codec knows, and it's written in a h264 stream header, but it's not 
in general possible to know just by looking at a finite number of 
timestamps. Like b_strategy, except with more choices.

--Loren Merritt




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