[Mplayer-dvb] Mencoder deinterlace broken(?), how handle multiple audio streams in mencoder?

[Jörg-Oliver Todamm]

Hello,

I recently came up with a problem concerning mencoder when I switched from 
my old PII-350 to a new(er) PIII-700 CPU. Now I found that the problem seems 
to be "deinterlace" in the divx4opts. This worked well with MMX only. Now 
PIII allows also SSE and stuff. Maybe there is something broken.
Divx internal deinterlace is quite perfect for encoding. The postprocessing 
options -pp 0x20000 are not compareable. Quality is strongly reduced.

Here my settings:
vdr:/opt/video0/%Stargate/2001-11-09.20--11.99.99.rec # cat 001.vdr 002.vdr 
| bfr -b64M | nice -n 10 /root/main/mencoder -ovc divx4 -oac mp3lame 
-divx4opts 
br=758:key=300:deinterlace:q=5:rc_period=164000:rc_reaction_period=10:rc_reaction_ratio=5:min_quant=4:max_quant=10 
-lameopts br=128:q=2:cbr:mode=1 -o /opt/video0/Stargate_-_The_Movie.avi -


MEncoder CVS-011125-17:26(C) 2000-2001 Arpad Gereoffy (see DOCS!)

Reading /root/.mplayer/codecs.conf: 21 audio & 52 video codecs
Reading from stdin...
success: format: 0  data: 0x0 - 0x0
Detected MPEG-PS file format!
VIDEO:  MPEG2  480x576  (aspect 2)  25.00 fps  18750.0 kbps (2343.8 kbyte/s)
[V] filefmt:2  fourcc:0x10000002  size:480x576  fps:25.00  ftime:=0.0400
Detected video codec: [mpeg12] drv:1 (MPEG 1 or 2)
mpeg2dec-0.2.0-release (C) 2000-2001 Aaron Holtzman & Michel Lespinasse
libmpeg2: Using MMXEXT for IDCT transform
libmpeg2: Using MMXEXT for motion compensation
Detected audio codec: [mp3] drv:1 (MPEG layer-2, layer-3)
mp3lib: Processor ID: 683
mp3lib: Using SSE! optimized decore.
AUDIO: srate=48000  chans=2  bps=2  sfmt=0x10  ratio: 24000->192000
Writing AVI header...
A:36927.7 V:36927.7 A-V: -0.011 oAV:  0.464 diff: -0.475 ct:  0.000 vpc:  
0.000 Segmentation fault


Second problem.
Maybe I missunderstood something, but this stream has two audio channels. If 
I sellect the first one (should be MPEG2) it still does not work. So I 
misseded something, but what?

vdr:/opt/video0/%Farscape_-_Verschollen_im_All/2001-11-26.03--40.99.99.rec # 
cat 001.vdr | bfr -b64M | nice -n 10 /root/main/mencoder -ovc divx4 -oac 
mp3lame -divx4opts 
br=758:key=300:deinterlace:q=5:rc_period=164000:rc_reaction_period=10:rc_reaction_ratio=5:min_quant=4:max_quant=10 
-aid 209 -vid 212 -lameopts br=128:q=2:cbr:mode=1 -o 
/opt/video0/Farscape.avi -


MEncoder CVS-011125-17:26(C) 2000-2001 Arpad Gereoffy (see DOCS!)

Reading /root/.mplayer/codecs.conf: 21 audio & 52 video codecs
Reading from stdin...
success: format: 0  data: 0x0 - 0x0
MPEG packet stats: p100: 212  p101: 209  PES: 2097
MPEG packet stats: p100: 214  p101: 207  PES: 2087
header block 1 size: 0
============= Sorry, this file format not recognized/supported 
===============
=== If this file is an AVI, ASF or MPEG stream, please contact the author! 
===
Cannot open demuxer


So long,

Joerg-Oliver Todamm


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