[MPlayer-users] crop, scale, expand, audio resample (basicley making DVD PAL combatible)

[Nico Sabbi]

Heine Laursen wrote:

>>in order to keep proportions and respect A/R read the thread about
>>making NTSC dvd of today
>>    
>>
>
>I have seen it. Meaning loosley browsing the thread.
>
>  
>
>>>Now, does that get me a valid dvd pal compatible mpeg file, ready to
>>>be used with dvdauthor software?
>>>      
>>>
>>yes
>>    
>>
>
>Hmm. The file was gowing to be used by a windows user, who uses TMPGEnc
>dvd author. That have the following to say, about the mpeg file.
>* The video frame rate 25 cannot be used with the resolution of 704x480
>This framerate can only be used with the following resolutions:
>352x288, 352x576, 704z576 720x576 pixels (pal format only)
>Critical error!
>  
>

it's true, whoever said that 704x480 is PAL compatible?

>* The video bitrate 104857 kbps is to high for a standard DVD
>for standart DVD the maximum video bitrate is 9.8 MBps ( 9800 kbps)
>Non Critical error!
>
>* The video GOP is too long
>DVD-video standarts requries the GOP structure as below
>36 fiels (18 frames) (NTSC system)
>30 fiels (15 frames) (PAL system)
>If you are using the XDVD format you can ignore this message
>Non Critical error!
>  
>

you can ignore these errors, but you can remove the origin of
the problem setting :vrc_maxrate, :vbitrate and :keyint in -lavcopts

>I have tryed dvdauthor on my debian box. And there are there no problems
>what so ever with making a dvd. I have also read various places that
>704x480 should be a valid pal resolution. It might be right about the
>bitrate, as I did'ent specify any bitrate. I have no idea of the last
>thing.
>oh well, back to the drawing board :-)
>
>  
>
>Oops. I completley forgot to mention why I was even trying that.
>I got lots of frame skips. That's has to be expected when converting from
>ntfs to pal, as far as I can understand.
>  
>

yes