[Comm] Fwd: Re: [Kino-dev] using mplayer to convert to raw dv

[Michael Shigorin]

	Здравствуйте.
Вдруг кому понадобится -- как перегнать mencoder'ом
какое-нить видео в Raw DV (например, для обработки в kino).

----- Forwarded message from Dan Dennedy <dan/dennedy.org> -----

Date: Thu, 21 Dec 2006 00:59:25 -0800
From: Dan Dennedy <dan/dennedy.org>
To: kino-dev/lists.sourceforge.net
Subject: Re: [Kino-dev] using mplayer to convert to raw dv
Cc: Georg Ostertag <georg/ostertage.de>

On Wednesday 20 December 2006 14:04, Georg Ostertag wrote:
> I observed, that there were some discussions about using mplayer to
> convert some video file to a raw dv file for using with kino.
>
> I had the same problem and solved it after hours of research and want
> to share it here, as mplayers strength is to be able to read many
> different formats.
>
> mencoder -o "$OUT" \
>                 -of lavf \
>                    -lavfopts format=dv \
>                 -af resample=48000:0:0,channels=2 \
>                 -srate 48000 \
>                 -oac pcm \
>                 -fps 25 \
>                 -vf scale=720:576,harddup,dsize="4:3",rgb2bgr \
>                 -ovc libdv \
>                 -mc 0 \
>                 "$IN"
>
> does the trick for me, to encode directly to PAL raw dv with mplayer.
> This uses less diskspace and I/O bandwidth than the media.sh script
> shipped with kino, which does decoding with mencoder and encoding with
> ffmpeg. The crucial point is to use -of lavf and -lavfopts format=dv,
> which uses libavcodec for encoding the fileformat instead of mplayers
> standard built-in avi engine. This is not documented in the manpage.

Thanks, I agree that a direct conversion is more desirable when available. I 
will merge this after adding detection for -ovc libdv (my current build does 
not) and testing after rebuilding mplayer with libdv.

----- End forwarded message -----

-- 
 ---- WBR, Michael Shigorin <mike на altlinux.ru>
  ------ Linux.Kiev http://www.linux.kiev.ua/