[MPlayer-users] encode2mpeg 0.3.1 possible bug but encoding OK

Nico Sabbi nsabbi at tiscali.it
Wed Dec 1 22:41:18 CET 2004


Giacomo Comes wrote:

>>>Ok, then these errors are not armless. My question is:
>>>What do I do?
>>>
>>>For example this is a very simple mencoder command line that just encode
>>>few seconds of the beginning of a DVD.
>>>mencoder -o TEST.mpg dvd://1 -frames 100 -ofps 30000/1001 
>>>-vf scale=720:480,harddup -oac copy -of mpeg -ovc lavc
>>>-lavcopts 
>>>vcodec=mpeg2video:aspect=16/9:vbitrate=7500:vrc_buf_size=1835:vrc_maxrate=7500 
>>>
>>>I have plenty of:
>>>Error in stream: PTS earlier than SCR!
>>>Error in stream: PTS to SCR delay 0 is too little!
>>>
>>>and some
>>>
>>>Warning: DTS to SCR delay is too small.
>>>
>>>What is causing them?
>>>How can avoid them?
>>>
>>>Giacomo
>>>
>>>
>>>      
>>>
>>with the current muxer there's nothing you can do to prevent them.
>>My new muxer seems to work correctly with fixed fps movies,
>>and the algorythm used to calculate SCR should avoid avoid pts/dts 
>>underruns,
>>but there are still bugs left and some pathological cases, so you can
>>either wait some more :) or try my patch (search in mplayer-users-november).
>>    
>>
>
>Mmm...
>I was not completly wrong when I was saying to ignore them.
>If there is nothing I can do to prevent them I can only ignore them.
>
>I have your patch in my mailbox but I didn't have time to
>test it. I know it will be good for encode2mpeg because in same
>cases it will not me necessary to use mplex for dvd authoring.
>
>Will your new muxer be able to mux ac3 audio?
>  
>

it's already possible and working

>And LPCM (lower priority compared to ac3)?
>
>Giacomo
>  
>

to say the truth it has no proriority at the moment :)




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