Re: Space saving tips

On Tue, 25 Apr 2006 10:18:18 +0200, Michel Bardiaux wrote:

>> I'm trying to stuff as many tv series into a DVD as possible, but was only
>> able to convert a 700M avi into >2G dvd mpeg (using ffmpeg the normal
>> way). I saw that people can stuff more than 4 DVD-quality tv series in a
>> disk. I'm wondering how I can do that with ffmpeg.
> 
> Please *always* post the command you've been using *and* its output 
> messages.

Oh, I was thinking the general rule of sum... Ok, NP. Here is the detail:

ffmpeg -i "bob1.avi" -target pal-dvd   -aspect 4:3 -s 704x516   -padtop 30 
-padbottom 30 -aspect 4:3 -r 25.000 -b 3600 -maxrate 4500 -sameq -ab 224 
"bob1.mpg"
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --prefix=/opt/new --libdir=${prefix}/lib 
--incdir=${prefix}/include/ffmpeg --mandir=${prefix}/share/man --enable-shared 
--enable-pthreads --enable-gpl --disable-bktr --disable-dv1394 
--disable-network --disable-simple_idct --disable-ffserver 
  libavutil version: 49.0.0
  libavcodec version: 51.9.0
  libavformat version: 50.4.0
  built on Apr 24 2006 11:20:15, gcc: 3.3.5 (Debian 1:3.3.5-13)
Input #0, avi, from 'bob1.avi':
  Duration: 01:10:19.4, start: 0.000000, bitrate: 1392 kb/s
  Stream #0.0, 25.00 fps(r): Video: mpeg4, yuv420p, 640x352
  Stream #0.1: Audio: mp3, 48000 Hz, stereo, 192 kb/s
File 'bob1.mpg' already exists. Overwrite ? [y/N] yOutput #0, dvd, to 
'bob1.mpg':
  Stream #0.0, 25.00 fps(c): Video: mpeg2video, yuv420p, 704x576, q=2-31, 3600 
kb/s
  Stream #0.1: Audio: ac3, 48000 Hz, stereo, 224 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
[dvd @ 0xb7fd82e0]buffer underflow
[...]
[dvd @ 0xb7fd82e0]buffer underflow

$ tcprobe -i bob1.avi
[tcprobe] RIFF data, AVI video

[tcprobe] summary for bob1.avi, (*) = not default, 0 = not detected
import frame size: -g 640x352 [720x576] (*)
       frame rate: -f 25.000 [25.000] frc=3 
      audio track: -a 0 [0] -e 48000,0,2 [48000,16,2] -n 0x55 [0x2000] (*)
                   bitrate=192 kbps
           length: 105487 frames, frame_time=40 msec, duration=1:10:19.480

$ ls -gG bob1.avi 
-rw-rw----  1 734420992 03-17 17:06 bob1.avi

And my converted bob1.mpg was over 2G.

thanks a lot

tong