[MPlayer-users] [BUG?] current lavc & problems with cutting AVIs

[Arpi]

Hi,

hmm. maybe the aspect ratio info is not saved at every keyframe, just in GOp
headers? so till the first GOP header it plays with no aspect info, and then
it reinits stuff. Michael?

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I recently started experiencing problems with cutting divx AVIs captured 
> from TV. After cutting the desired section, MPlayer spits out this when 
> trying to play the resulting file:
> 
> Start playing...
> Marker bit missing before vop_coded
> hmm, seems the headers arnt complete, trying to guess time_increment_bits
> my guess is 5 bits ;)
> looks like this file was encoded with (divx4/(old)xvid/opendivx) -> 
> forcing low_delay flag
> VDec: vo config request - 512 x 384 (preferred csp: Planar YV12)
> [PP] Using external postprocessing filter, max q = 6.
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is undefined - no prescaling applied.
> VO: [xv] 512x384 => 512x384 Planar YV12
> VDec: vo config request - 512 x 384 (preferred csp: Planar YV12) 1 0 0%
> [PP] Using external postprocessing filter, max q = 6.
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> VO: [xv] 512x384 => 512x384 Planar YV12
> A:   5.3 V:   5.3 A-V:  0.006 ct:  0.096  133/133   6%  7%  0.5% 1 0 0%
> 
> the file is playable but it after a moment, mplayer detects changed 
> aspect ratio and reinitializes the vo layer. It seems to happen only on 
> certain starting frames. I tried to cut the section using both 
> VirtualDub and mencoder, with the same results.
> 
> I don't use B-frames and never saw this before (I previously used lavc 
> build 4647, without problems). The cut section starts with a keyframe, 
> of course.
> 
> Regards,
> -- 
> Jindrich Makovicka
> 
> 
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> 


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu