Thanks for that, very helpful and my apologies for not answering Kevin's
email, was very busy
Cheers
E

On Mon, 2007-05-14 at 14:40 -0400, Dan Streetman wrote:

> I would check these things:
> 
> -project video size
> open "Settings->Format" (or Shift-F) and check that the video
> width/height matches PAL (or use the PAL Preset).  Make sure
> interlacing is marked as progressive.
> 
> -track video size
> On your HD video track right-click and select "Resize track".  It
> needs to match your actual HD video size, so 1024x768 in your case.
> This unfortunately defaults to the project size in my case, so this
> might be your problem.
> 
> -translate effect settings
> You need to translate both the size (width/height) and the location
> onscreen.  The "InX" and "InY" settings should 0.  The "OutX" and
> "OutY" settings need to place the final image in the center of the HD
> resolution.  You can either just adjust these settings until it looks
> right in the compositor, or use this formula to figure the right
> numbers.
> OutX = (InW - OutW) / 2
> OutY = (InH - OutH) / 2
> 
> 
> You do not need to adjust the camera or projector automation at all.
> 
> On 5/10/07, Edouard Chalaron <[EMAIL PROTECTED]> wrote:
> >
> >  Hi there
> >  I have somehow the same issue here. I tried to "translate" from a 1024x768
> > progressive frames to PAL mpeg2 as a final rendering and it gives a small
> > video in a corner of a big frame...
> >  Did I miss anything ?
> >  Thanks
> >  E
> >
> >
> >
> >  On Wed, 2007-05-09 at 18:06 -0400, Dan Streetman wrote:
> >  Not at all, you can do that. For example you could load up the
> > original 1080i in cinelerra, add "deinterlace" and "translate" effects
> > (to convert from i to p and 1080 to 720), and then render the file.
> > There are many render formats that cinelerra can read back, I would
> > probably stick with mpeg2 (which unfortunately in cinelerra means you
> > have to render video and audio separately and mplex them back together
> > before re-loading into cinelerra).
> >
> > But again, why do you want to do this? If you are just going to load
> > the 720p file back into cinelerra, why not just use the 1080i file
> > directly instead?
> >
> > On 5/6/07, Bas Alphenaar <[EMAIL PROTECTED]> wrote:
> > > I'm not sure I understand the YUV story..... Thanks for the help though!
> > > But does this mean that it is impossible to convert 1080i HDV to 720p in
> > > a format that Cinelerra understands?
> > >
> > > Dan Streetman wrote:
> > > > Yes, cinelerra is currently rather limited in what files it can read
> > > > (in my opinion, at least). What I (used to) do is open the m2t file
> > > > directly in cinelerra and use the (now removed) 1080to480 effect (only
> > > > works if you are outputting NTSC) and the translate effect to change
> > > > from 1080 to 720. You can find the 1080to480 effect in the svn
> > > > history, it was removed (changed) for some reason quite a while back.
> > > > It's almost the same as 1080to540 but obviously the vert resolution is
> > > > different.
> > > >
> > > > What I do now however is fix the quicktime colormodel translation
> > > > because it incorrectly converts the interlaced YUV420 from the input
> > > > file to the YUV888 (or RBG888, or any of the working formats), so the
> > > > chroma channels are incorrectly interlaced - zoom in on any area of
> > > > high motion with high color contrast and you'll see what I am talking
> > > > about. Unfortunately the quicktime lib doesn't check the input
> > > > interlacing so I have to hack/hardcode the conversion, which means I
> > > > can't use it to edit any progressive input that is in YUV420. Note
> > > > that the output also has to be fixed if you are using YUV4MPEGPIPE
> > > > output since it (incorrectly) converts back to YUV420 before piping it
> > > > out.
> > > >
> > > > Then, I use frames->fields then translate to resize each field then
> > > > fields->frames to change back to interlaced 720x480. Of course I had
> > > > to also change the frames<->fields effects to correctly convert
> > > > between frames/fields as the default effects double (or half) the
> > > > vertical resolution for some reason.
> > > >
> > > > On 5/2/07, Bas Alphenaar <[EMAIL PROTECTED]> wrote:
> > > >> Hello,
> > > >>
> > > >> A few days ago I posted a message on this mailinglist about the
> > > >> Cinelerra viewer that crashed. This problem is solved, but I still
> > can't
> > > >> use Cinelerra properly because of another problem.
> > > >>
> > > >> I am running Cinelerra r1008 on Gentoo (amd64), I compiled with the
> > > >> following options:
> > > >>
> > > >> ./configure --prefix=/usr --with-buildinfo=svn/recompile --enable-mmx
> > > >> --enable-3dnow --with-external-ffmpeg
> > > >>
> > > >> Quote from my other post:
> > > >>
> > > >> > I have an HDV camcorder (Sony HDR-HC1) and I capture the MPEG-TS
> > stream
> > > >> > via Firewire using dvgrab with the HDV patch.
> > > >>
> > > >> When the capturing is done, I have a fresh *.m2t file in 1080i. I tried
> > > >> to convert this file to 720p in several ways but none of them works.
> > > >>
> > > >> These are the things I tried, at every point I give the command that I
> > > >> used to create the 720p video and how Cinelerra handled the video:
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> 1. ffmpeg H.264 with AVI container
> > > >>
> > > >> ffmpeg -i dvgrab-001.m2t -deinterlace -s 1280x720 -vcodec h264 -qmin 10
> > > >> -qmax 15 -acodec mp3 -ab 256k 1.avi
> > > >>
> > > >> The Viewer shows nothing, no sound, the commandline says this:
> > > >>
> > > >> new_acodec: couldn't find codec for ""
> > > >> new_vcodec: couldn't find codec for "h264"
> > > >> new_acodec: couldn't find codec for ""
> > > >> new_vcodec: couldn't find codec for "h264"
> > > >>
> > > >> (Yes, it is outputted twice)
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> 2. ffmpeg H.264 with MOV container
> > > >>
> > > >> ffmpeg -i dvgrab-001.m2t -deinterlace -s 1280x720 -vcodec h264 -qmin 10
> > > >> -qmax 15 -acodec mp3 -ab 256k 2.mov
> > > >>
> > > >> The video works and sometimes the sound also works (?), but the sound
> > is
> > > >> not in sync when it works (I am using ALSA). Cinelerra also throws this
> > > >> error in an error window randomly while navigating through the video
> > > >> with the Viewer:
> > > >>
> > > >> virtual int FileMOV::read_frame(VFrame*):
> > > >> quicktime_read_frame/quicktime_decode_video failed,
> > result:
> > > >>
> > > >>
> > (http://bugs.cinelerra.org/buglist.cgi?quicksearch=quicktime_read_frame
> > > >> shows 2 bugs about this problem, so I don't think it can be solved
> > > >> without somebody who can program)
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> 3. ffmpeg H.264 with MOV container (but with AC3 codec)
> > > >>
> > > >> ffmpeg -i dvgrab-001.m2t -deinterlace -s 1280x720 -vcodec h264 -qmin 10
> > > >> -qmax 15 -acodec ac3 ac3.mov
> > > >>
> > > >> The video plays in the Viewer, the sound doesn't. The commandline shows
> > > >> this:
> > > >>
> > > >> new_acodec: couldn't find codec for "ms "
> > > >> new_acodec: couldn't find codec for "ms "
> > > >> new_acodec: couldn't find codec for "ms "
> > > >> new_acodec: couldn't find codec for "ms "
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> 4. mencoder H.264 with AVI container
> > > >>
> > > >> mencoder dvgrab-001.m2t -ovc x264 -oac mp3lame -vf pp=ci,scale=1280:720
> > > >> -o 4.avi
> > > >>
> > > >> The Viewer shows nothing and there is no sound, the commandline outputs
> > > >> this:
> > > >>
> > > >> new_vcodec: couldn't find codec for "h264"
> > > >> new_vcodec: couldn't find codec for "h264"
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> 5. ffmpeg MJPEG with AVI container
> > > >>
> > > >> ffmpeg -i dvgrab-001.m2t -deinterlace -s 1280x720 -vcodec mjpeg -acodec
> > > >> mp3 -ab 256k 5.avi
> > > >>
> > > >> No video or sound in the Viewer, can't even move the navigation button.
> > > >> The commandline shows this:
> > > >>
> > > >> new_acodec: couldn't find codec for ""
> > > >> new_acodec: couldn't find codec for ""
> > > >> new_acodec: couldn't find codec for ""
> > > >>
> > > >> ------------------------------
> > > >>
> > > >> Is Cinelerra very picky on the video files it can use or am I making a
> > > >> mistake here?
> > > >>
> > > >> _______________________________________________
> > > >> Cinelerra mailing list
> > > >> Cinelerra@skolelinux.no
> > > >>
> > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
> > > >>
> > > >
> > > > _______________________________________________
> > > > Cinelerra mailing list
> > > > Cinelerra@skolelinux.no
> > > >
> > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
> > > >
> > >
> > > _______________________________________________
> > > Cinelerra mailing list
> > > Cinelerra@skolelinux.no
> > >
> > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
> > >
> >
> > _______________________________________________
> > Cinelerra mailing list
> > Cinelerra@skolelinux.no
> > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
> >
> >
> 
> _______________________________________________
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