[MEncoder-users] what video output to select for mencoder when encoding dvd's to h.264

[Ovidio Pirvu]

2011/9/26 Lobster <lobo at lobs.sytes.net>

> On 26/09/2011 11:18 a.m., Cristian Manea wrote:
>
>> but if I append -vf scale to the filter list, mencoder outputs the same
>> message:
>>
>> Could not find matching colorspace - retrying with -vf scale...
>>
>>> Opening video filter: [scale]
>>> The selected video_out device is incompatible with this codec.
>>> Try appending the scale filter to your filter list,
>>> e.g. -vf spp,scale instead of -vf spp.
>>>
>>
>>  but with one additional line:
>>
>> [swscaler @ 0x8a38540]using unscaled yuv420p ->  yuv420p special converter
>>
>>
>> "James Hastings-Trew" from this mailing list, told me to use "-vf
>> format=i420", but I get the same output message. I tried selecting another
>> codec using "-vc mpeg12" and "-vfm libmpeg2 -vc mpeg12", but both mencoder
>> and mplayer are unable to continue, they exit with "MPlayer interrupted by
>> signal 11 in module: decode_video", and "Carl Eugen Hoyos" from this
>> mailing
>> list, suggested me to compile mencoder from source. I haven't tried that
>> yet.
>>
>>
> Is there really a problem with these warning messages,
> Does your file fail to encode?
> Is there a real issue here?
>
> If you have a failure with encoding then please tell us the real
> issue/error message,
> Otherwise stop chasing your tail.
>
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This error is usually valid when there is an error on the filter chain
command. Could you post the mencoder command line you are using?