[FFmpeg-user] Best way for converting HD 1080i to DVCPRO25 DV?

[Iban Garcia]

Hi Vignan,

I am making some tests in DVCPRO50 now. The commands I am using are next
ones:

#----------------------------------------------------------------------------------
   $comand="ffmpeg -y -threads 8 -i ".$input_file.".mxf -pix_fmt yuv422p
-aspect 16:9 -vf \"scale=720:576:interl=1,fieldorder=tff\" -sws_flags
lanczos -vcodec dvvideo -an ".$output_file.".dv";
#----------------------------------------------------------------------------------
   $comand="ffmpeg -y -threads 8 -i ".$input_file.".mxf -pix_fmt yuv422p
-aspect 16:9 -vf \"scale=720:576:interl=1,fieldorder=tff\" -vcodec dvvideo
-an ".$output_file.".dv";
#----------------------------------------------------------------------------------
   $comand="ffmpeg -y -threads 8 -i ".$input_file.".mxf -pix_fmt yuv422p
-aspect 16:9 -vf \"scale=720:576:interl=1\" -sws_flags lanczos -vcodec
dvvideo -an ".$output_file.".dv";
#----------------------------------------------------------------------------------
   $comand="ffmpeg -y -threads 8 -i ".$input_file.".mxf -pix_fmt yuv422p
-aspect 16:9 -vf \"scale=720:576:interl=1\" -vcodec dvvideo -an
".$output_file.".dv";
#----------------------------------------------------------------------------------
   $comand="ffmpeg -y -threads 8 -i ".$input_file.".mxf -pix_fmt yuv422p
-aspect 16:9 -vf \"scale=720:576:interl=1:unsharp=7:7:2.5\" -vcodec dvvideo
-an ".$output_file.".dv";


Please, tell me any advance in your tests. I am looking for the best
procedure to convert from 1080i to DVCPRO50 (50i)... but by now, in the
'downscaling' process I get some quality problems...

Thanks

Iban






2012/7/3 Vignan Kumar <Vignan at ndtv.com>

> Hi,
>
> Can you plz send me the complete command. I want to do the same but not
> working.
>
> Thanks
> Vignan
>
> -----Original Message-----
> From: ffmpeg-user-bounces at ffmpeg.org [mailto:
> ffmpeg-user-bounces at ffmpeg.org] On Behalf Of Iban Garcia
> Sent: Tuesday, July 03, 2012 4:50 PM
> To: FFmpeg user questions and RTFMs
> Subject: Re: [FFmpeg-user] Best way for converting HD 1080i to DVCPRO25 DV?
>
> Hi Tim, thanks for your help... I am trying with -interl option...
>
> Working after some days free... ;-)
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