Hi, h264 or x264 are lossy codecs more suitable for postprodution. The best codec depends in the codec from your source tapes to keep as much quality as possible in the editing without artifacts in the image.
DV have a problem of croma subsampling that don't have DVPRO or DV50 Antonio --- On Sat, 4/10/08, rafael2k <[EMAIL PROTECTED]> wrote: > From: rafael2k <[EMAIL PROTECTED]> > Subject: [CinCV] Best lossless codec for edition and exportation (was: input > format for MP4 576p at 50fps) > To: [email protected] > Date: Saturday, 4 October, 2008, 2:49 AM > Hey people, > And how about the best lossless, compressed codec that can > be used to edit? > Is h.264 Intra ok for editing? > I use to use DV to edit and for exporting x264 in lossless > mode (w/ flac or > alac as audio). > > how about muxing? I see that both ffmpeg and mencoder have > buggy muxers for > some stream formats (at least here, they failed to mux > h.264 + flac in mkv, > avi, mov or mp4). > > I'm using yuv4mpeg pipe to create h.264 lossless output > using (very fast in > quad-core machines): > ln -s /dev/stdin /tmp/video.y4m ; x264 --qp 0 --no-cabac > --subme 1 --keyint > 1 --threads auto /tmp/video.y4m -o % > > > bye, > rafael diniz > > Em Thursday 02 October 2008, Florian Cramer escreveu: > > On Thursday, October 02 2008, 20:02 (+0200), Martin > Kápostá? wrote: > > > files in DV, that is OK. The case i am writing is > that DV supports only > > > 25fps. Could you please suggest the best format > to use 50fps clip in > > > Cinelerra ofcourse uncompressed. > > > > [DV is actually not uncompressed, but a lossy codec > that degrades video > > quite a lot if you transcode from better source > material.] > > > > I had a similar question here on the list just few > days ago. After a lot > > of experimenting, I found the solution myself. Since > Cinelerra's > > preferred uncompressed format is yuv2 video and pcm > audio in a QuickTime > > container, the following command line should render > practically any > > video file into something that can be opened and > edited in Cinelerra: > > > > transcode -y mov -F yuv2 -N 0x1 -i <input file> > -o output.mov > > > > [Neither ffmpeg, nor mencoder seem to be able to > create yuv2 video > > streams, btw.] > > > > Florian > > > > -- > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- > Ciência da Computação @ Unicamp > Rádio Muda, radiolivre.org, TV Piolho, tvlivre.org, > www.midiaindependente.org > Chave PGP: > http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x2FF86098 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
