If you want to encode to dvd format I highly recommend any2vob or its cousin any2dvd
Not in portage AFAIK, but the author provides ebuilds. There is a long thread on forums.gentoo.org about any2vob. Here is the web page for the script: http://sourceforge.net/projects/any2dvd/ http://forums.gentoo.org/viewtopic-t-117709-highlight-any2vob.html On Fri, 11 Aug 2006 07:36:32 +0930 Iain Buchanan wrote: > Hi all, > > I'm trying out mencoder to try a few different codecs and formats for 1. > dvd authoring and 2. just compressing to keep on my HD. > > This is what I tried last night: > > mencoder 2006.06.24_09-26-48.dv -o 2006.06.24_09-26-48.avi -ovc lavc -oac lavc > > that was ok, GREAT file size (original 350MB dv went down to 13MB), but > crappy quality - I could see all the compression "squares". Then I > tried: > > mencoder 2006.06.24_09-26-48.dv -o 2006.06.24_09-26-48.avi -ovc lavc > -lavcopts > vcodec=mpeg4:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:qns=2 > -oac lavc > > which was better quality, and still a great file size, but I could still > see some quit noticeable compression artifacts. > > THEN I thought, well if I'm going to encode for DVD, lets try: > > $ mencoder 2006.06.24_09-26-48.dv -of mpeg -ovc lavc -lavcopts > vcodec=mpeg2video -oac pcm -o 2006.06.24_09-26-48.mpeg > > which went straight to 100% CPU. I then went to bed, and when I got up > in the morning 7 1/2 hours later, it was in the same spot at 100% cpu! > The file size was 0 bytes. Heres the output: > > $ mencoder 2006.06.24_09-26-48.dv -of mpeg -ovc lavc -lavcopts > vcodec=mpeg2video -oac pcm -o 2006.06.24_09-26-48.mpeg > MEncoder 1.0pre8-3.4.6 (C) 2000-2006 MPlayer Team > CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (Family: 15, Model: > 2, Stepping: 9) > MMX supported but disabled > MMX2 supported but disabled > CPUflags: Type: 15 MMX: 0 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 > Compiled with runtime CPU detection. > 93 audio & 211 video codecs > success: format: 0 data: 0x0 - 0x15fd6500 > RAWDV file format detected. > VIDEO: [DVSD] 720x576 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s) > [V] filefmt:22 fourcc:0x44535644 size:720x576 fps:25.00 > ftime:=0.0400 > ========================================================================== > Opening audio decoder: [libdv] Raw DV Audio Decoder > AUDIO: 32000 Hz, 2 ch, s16le, 28800.0 kbit/2812.50% (ratio: > 3600000->128000) > Selected audio codec: [libdv] afm: libdv (raw DV audio decoder (libdv)) > ========================================================================== > PACKET SIZE: 2048 bytes, deltascr: 245760 > Opening video filter: [expand osd=1] > Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 > ========================================================================== > Opening video decoder: [dshow] DirectShow video codecs > Decoder supports the following YUV formats: YUY2 UYVY > Decoder is capable of YUV output (flags 0x9) > VDec: vo config request - 720 x 576 (preferred colorspace: Packed YUY2) > [PP] Using codec's postprocessing, max q = 4. > Could not find matching colorspace - retrying with -vf scale... > Opening video filter: [scale] > VDec: using Packed YUY2 as output csp (no 0) > Movie-Aspect is undefined - no prescaling applied. > > SwScaler: BICUBIC scaler, from Packed YUY2 to Planar YV12 using C > videocodec: libavcodec (720x576 fourcc=3267706d [mpg2]) > Selected video codec: [qdv] vfm: dshow (Sony Digital Video (DV)) > ========================================================================== > Limiting audio preload to 0.4s. > Increasing audio density to 4. > Writing header... > Killed > > (I killed it :) So, firstly, why didn't that work? > > And secondly, how should I encode if I want to write the movie to a DVD, > and have really good quality (close to the original dv)? > > Lastly, how about storing on disk - what codec should I use there? As I > said, I didn't like the quality of the first two attempts, so something > a bit nicer, (at the expense of file size) would be good. > > > Well, there are some big asks in this email - I appreciate anyone > looking into it and offering tips. Thanks! > > (PS I've been reading: > http://gentoo-wiki.com/HOWTO_Mencoder_Introduction_Guide > http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-muxing-avi-limitations > http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-enc-libavcodec.html > http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-mpeg.html > thanks.) > -- > Iain Buchanan <iaindb at netspace dot net dot au> > > Four fifths of the perjury in the world is expended on tombstones, women > and competitors. > -- Lord Thomas Dewar > > -- > gentoo-user@gentoo.org mailing list -- Nick Rout <[EMAIL PROTECTED]> -- gentoo-user@gentoo.org mailing list
