[MPlayer-dev-eng] [PATCH] new mpeg muxer

Roine Gustafsson roine at users.sourceforge.net
Mon Feb 28 10:46:03 CET 2005


On Feb 28, 2005, at 12:56 AM, D Richard Felker III wrote:
> On Sun, Feb 27, 2005 at 11:24:39PM +0100, Roine Gustafsson wrote:
>>
>> On Feb 27, 2005, at 7:20 PM, D Richard Felker III wrote:
>>> Yes...this is a major problem, dammit. I've said it 1000 times it
>>> feels like, but I'll say once again: I FUCKING HATE B FRAMES!!!!!!!
>>>
>>> Whoever came up with such idiocy should be tied to heavy rocks and
>>> thrown into a huge vat of cola!!
>>
>> FWIW: I like B-frames. My laptop is not really capable of full 24fps 
>> in
>> D1 resolution, which makes playing high resolution movies with just P
>
> Are you sure? What speed is your laptop? I expect the problem is
> something else, like using a bad vo driver or software scaling.. Even
> my celeron 366 laptop can play any movie I throw at it, without
> -framedrop at all.

A 600Mhz G3 (PPC750CXe), ie no Altivec.

>> frames very skippy. The player has to skip long segments to the next
>> I-frame to catch up.
>> With interleaved B-frames the player can drop exactly the frames it
>> can't manage to decode and playback is smoooth and audio never drifts.
>
> Unless you drop a huge portion of the B frames, decoding a movie with
> B frames is significantly slower than decoding one without.

Well, I can only say what I'm seeing.
It was just a point to say that there are positive aspects of using 
B-frames :)


   /Roine




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