Re: 411P output from ffmpeg?
Roman Shaposhnick <rvs <at> sun.com>
2003-05-01 18:55:04 GMT
On Thu, May 01, 2003 at 10:57:27AM -0700, Steven M. Schultz wrote:
> Hi -
> Is it possible to get the 411P (for NTSC) data out from a DV file?
> I see the '-f rawvideo' but that's not quite what I'm after. There's
> a yuv4mpegpipe that will, if I can figure out how to not Floating
> exception (core dumped), give 420P but I was looking to experiment with
> the 4:1:1 data.
No, I don't think you'll be able to do this. Take a look at
> ffmpeg -i trailer.dv -f yuv4mpegpipe foo
> Seems that stream 0 comes from film source: 29.97->nan
Why do you say that ?
> Input #0, dv, from 'trailer.dv':
> Stream #0.0: Video: dvvideo, 720x480, 29.97 fps, 800 kb/s
> Stream #0.1: Audio: dvaudio, 48000 Hz, stereo, 1536 kb/s
> File 'foo' already exists. Overwrite ? [y/N] y
> Output #0, yuv4mpegpipe, to 'foo':
> Stream #0.0: Video: rawvideo, yuv420p, 720x480, nan fps, q=2-31, 200 kb/s
> Stream mapping:
> Stream #0.0 -> #0.0
> Floating exception (core dumped)
> obviously I'm not running it correctly? ;)