[MPlayer-users] V210 to

[András Bohó]

Alright, thanks it worked but I would like to avoid losing precision and
furthermore eventually I need the output again at the end of the chain in
v210.

Now I'm trying this:
mencoder v210_720p.avi -o v210_720p_new.avi -oac copy -ovc lavc -lavcopts
vcodec=v210

The input is also in v210 (from the sample database). So, for converting
v210 into something without losing precision and converting it back into
v210, what would be the right (and working) combination? As I see I cant
just pick any arbitrary format because Mencoder/FFmpeg will say that that
format is not a compatible input for v210.

FFmpeg or mencoder solution are both welcome.. thanks a lot!

P.s: I just click on "reply" in gmail, no idea how not to top-post...sorry

I get this:
MEncoder Sherpya-MT-SVN-r32198-4.2.5 (C) 2000-2010 MPlayer Team
success: format: 0  data: 0x0 - 0x1ce4000
AVI file format detected.
[aviheader] Video stream found, -vid 0
[aviheader] Audio stream found, -aid 1
VIDEO:  [v210]  1280x720  20bpp  50.000 fps  995328.0 kbps (121500.0
kbyte/s)
[V] filefmt:3  fourcc:0x30313276  size:1280x720  fps:50.000  ftime:=0.0200
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffv210] vfm: ffmpeg (FFmpeg V210 - 10-bit)
==========================================================================
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 00f12974]BICUBIC scaler, from yuv422p16le to yuv420p using MMX2
videocodec: libavcodec (1280x720 fourcc=30313276 [v210])
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (1280x720 fourcc=30313276 [v210])

Exiting...



On Tue, Sep 28, 2010 at 6:43 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> András Bohó <andras.boho <at> gmail.com> writes:
>
> > Command line:
> > mencoder infile -o outfile -ovc raw -nosound
>
> Add -vf format=yv12 to get YV12.
>
> > So I intend to simply keep the format. As I see, ffv210 is being used so
> I'm
> > using FFmpeg.
>
> No.
> MEncoder and FFmpeg (another application with similar function) share most
> decoders, but FFmpeg is actively developed (and MEncoder is not).
> Try
> ffmpeg -i infile -vcodec rawvideo -pix_fmt yuv420p outfile.avi
> to get the same output as above.
>
> Please do not top-post, it is considered rude here, Carl Eugen
>
>
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