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frame rate conflict
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rekonrad
Member


Joined: 14 Feb 2003
Post Posted: Aug 22, 2003 23:01 Posts View users profile Send private message Reply with quote
I use transcode with mjpeg tools as a plugin. I use a script created by http://dvdripping-guid.berlios.de/Divx-to-VCD_en.html. Its quite nice and usually works. However, when I executed the cvcd script, I got the following (its the last two lines that worry me - last time I ignored this, the sound gradually distanced the video until it was unwatchable!)
Any thoughts on how to set the audio and video to the same rate?


Video Output: 352x240
alto sin bordes: 218, con borde: 11
transcode -i "/root/share/Dr Who - 82 - Pyramids of Mars - 1 & 2 of 4.avi" -x m
player -y mpeg2enc,mp2enc -F 2,"-q 5" -Z 352x218 -Y -11,0,-11,0 --export_asr
2 -E 44100 -b 128 -o /root/share/Pelicula -w 2000
transcode v0.6.6 (C) 2001-2003 Thomas Östreich
[transcode] auto-probing source /root/share/Dr Who - 82 - Pyramids of Mars - 1 &
2 of 4.avi (ok)
[transcode] V: import format | DivX;-) RIFF data, AVI (V=mplayer|A=null)
[transcode] V: import frame | 352x240 1.47:1
[transcode] V: zoom | 352x218 1.61:1 (Lanczos3)
[transcode] V: clip frame (->) | 352x240
[transcode] V: bits/pixel | 0.790
[transcode] V: encoding fps | 29.970
[transcode] A: import format | 0x161 unknown [44100,16,2] 64 kbps
[transcode] A: export format | 0x50 MPEG layer-2 [44100,16,2] 128 kbps
[transcode] A: bytes per frame | 5884 (5885.938800)
[transcode] A: adjustment | 1936@1000
[transcode] V: IA32 accel mode | mmx (mmx asm)
[transcode] V: video buffer | 10 @ 352x240
[import_null.so] v0.2.0 (2002-01-19) (video) null | (audio) null
[import_mplayer.so] v0.0.5 (2003-03-10) (video) rendered by mplayer | (audio) re
ndered by mplayer
[export_mp2enc.so] v1.0.8 (2003-04-10) (audio) MPEG 1/2
[export_mpeg2enc.so] v1.1.7 (2003-05-02) (video) MPEG 1/2
[import_mplayer.so] mplayer -benchmark -noframedrop -nosound -vo yuv4mpeg "/root
/share/Dr Who - 82 - Pyramids of Mars - 1 & 2 of 4.avi" -osdlevel 0 > /dev/null
2>&1
[import_mplayer.so] tcextract -i stream.yuv -x yv12 -t yuv4mpeg | tcdecode -x yv
12 -g 352x240
[export_mpeg2enc.so] *** init-v *** !
[export_mp2enc.so] *** init-v *** !
[export_mpeg2enc.so] cmd=mpeg2enc -v 0 -I 0 -q 3 -f 2 -4 2 -2 3 -b 2000 -F 3 -n
p -a 2 -o "/root/share/Pelicula".m1v -q 5
[export_mp2enc.so] (61/4096) cmd=mp2enc -v 0 -r 44100 -b 128 -s -o "/root/share/
Pelicula".mpa
++ WARN: [mpeg2enc] Specified display frame-rate 25.00 will over-ride
++ WARN: [mpeg2enc] (different!) frame-rate 29.97 of the input stream

buildid
Member


Joined: 28 Dec 2002
Post Posted: Aug 24, 2003 07:10 Posts Comp View users profile Send private message Reply with quote
++ WARN: [mpeg2enc] Specified display frame-rate 25.00 will over-ride
++ WARN: [mpeg2enc] (different!) frame-rate 29.97 of the input stream

normally i believe framerate for vcd and svcd is 25000 i suppose your movie doesnot have that framerate .

that is not a problem if you live in a PAL area most dvd players will play the movie ,

it is a normal message i have all the time when i convert a movie to svcd , 25000 is expected but sometimes the source is 29000 or 23,xxx .Then that message will always show up .

i gues you have to be sure that your dvd player is able to play such a "cvcd movie " ...........maybe it is not ........

courtrrb
Member


Joined: 24 Apr 2003
Location: United States
Post Posted: Aug 24, 2003 10:43 Posts Comp View users profile Send private message Reply with quote
At this url: http://www.cornelinux.de/linux/kavi2svcd/index-english.html
there is a gui front end to transcode. This is what I've been using and have never had a problem with creating vcds ethier in ntsc or pal. My dvd/cd player dosn't care which format ntsc or pal so I always burn the same type as the orignal video clip. smile.gif

rekonrad
Member


Joined: 14 Feb 2003
Post Posted: Aug 24, 2003 17:06 Posts View users profile Send private message Reply with quote
I'll check the settings on my dvd player. Apart from that I don't know - maybe its just a coinicidence that I got that message and the video and audio were out of sync.

I'll try the transcode front end - but it may take awhile. I use Gentoo linux - it builds everything from source code (need kde yet).

rekonrad
Member


Joined: 14 Feb 2003
Post Posted: Aug 28, 2003 00:50 Posts View users profile Send private message Reply with quote
Out of curiosity, I did tcprobe on my Doctor Who avi files and came up with the following:

All files that had a frame rate OTHER than exactly 29.971 would give me this message:


++ WARN: [mpeg2enc] Specified display frame-rate 25.00 will over-ride
++ WARN: [mpeg2enc] (different!) frame-rate 29.97 of the input stream

This one had a frame rate of of 29.970 (instead of 29.971). Others with this frame rate give me the same warn message. One has a frame rate of 30.003. Here the audio and video sync is very poor. All the Doctor Who avis with 29.971 turn out with perfect audio/video sync.
Thoughts?

Thanks

Richard

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