[MEncoder-users] ?????? Re: converting and subtitle questions
Alex Samad
alex at samad.com.au
Sun Mar 23 21:51:15 CET 2008
On Sun, Mar 23, 2008 at 05:08:29PM +0800, zechao wang wrote:
> Hello Alex Samad:
>
> I'm using ubuntu. And after the package gpac was installed, MP4Box could be found in my system.
>
> Step of my operation:
>
> user the 2-pass enc to convert rmvb to avi (-ovc lavc -oac faac)
> MP4Box -aviraw audio mymov.avi
> MP4Box -aviraw video mymov.avi
> ## I don't know why it should be renamed, just following the others.
> mv mymov_audio.raw "$movie".aac
> mv mymov_video.FMP4 "$movie".m4v
> MP4Box -add mymov.aac -add mymov.m4v mymov.mp4
>
> But file mymov.mp4 could not be played in my cellphone (my phone support xvid+aac)!
>
> How should i do ?
> Could you give me some advice, thank you very much.
I would guess (newbie at this things), but grab a working video, run
mplayer -identify -frames 1 -v <workingvideo> and compare the results
with what you have on your file.
you could also make up a test mp4 with just video or/and just audio and
test those
Alex
>
> Alex Samad ?????? On Fri, Mar 21, 2008 at 10:16:00AM +0800, zechao wang wrote:
> > Hello :
> >
> > My destination is mp4, and it's ovc and oac should be xvid and aac, or it could not be played in my cellphone.
> you should check out the difference between xvid and dixv. (from my
> limited knowledge - basically the same standard, but one is a closed src
> and the other is open source). I have never had any problem playing
> xvid on a divx or vis versa
> >
> > I have searched about mp4box, and i found it has nothing to do with Linux.
> > All documentation and software are based on Windows(but i have no Windows).
> I use it on linux, I am running debian
>
> >
> > Yes, quality of the movie is good with 2-pass enc. But it's still avi . And it should be converted to mp4 . I don't know how to do it besides ffmpeg .
> I have a version running on linux, it is part of the gpac deb package
>
> >
> > My idea is : if i can use xvid to convert to aiv, then i could use command
> > ffmpeg -y -i $avi -vcodec copy -acodec copy -f mp4 $avi.mp4
> > to make the destination. With this method, the quality could be maintained i think.
> >
> > My video is anime .
> >
> > zwang at wzc:~/Downloads$ sudo /usr/share/doc/mplayer/examples/midentify mymov.rmvb
> > ID_AUDIO_ID=0
> > ID_VIDEO_ID=1
> > ID_CLIP_INFO_NAME0=name
> > ID_CLIP_INFO_VALUE0=Ӱ?ӵ۹?(bbs.cnxp.com)[rockman_exe_the_movie]
> > ID_CLIP_INFO_NAME1=author
> > ID_CLIP_INFO_VALUE1=??Ӱ?ӵ۹?CNXP?????????????????
> > ID_CLIP_INFO_NAME2=copyright
> > ID_CLIP_INFO_VALUE2=www.cnxp.com(C)2006
> > ID_CLIP_INFO_N=3
> > ID_FILENAME="mymov.rmvb"
> > ID_DEMUXER=real
> > ID_VIDEO_FORMAT=RV40
> > ID_VIDEO_BITRATE=0
> > ID_VIDEO_WIDTH=704
> > ID_VIDEO_HEIGHT=396
> > ID_VIDEO_FPS=23.000
> > ID_VIDEO_ASPECT=0.0000
> > ID_AUDIO_CODEC=ffcook
> > ID_AUDIO_FORMAT=cook
> > ID_AUDIO_BITRATE=64080
> > ID_AUDIO_RATE=44100
> > ID_AUDIO_NCH=2
> > ID_LENGTH=2989.00
> > ID_VIDEO_CODEC=rv3040
> >
> >
> > zwang at wzc:~/Downloads$ sudo /usr/share/doc/mplayer/examples/midentify mymov.avi
> > ID_VIDEO_ID=0
> > ID_AUDIO_ID=1
> > ID_CLIP_INFO_NAME0=Software
> > ID_CLIP_INFO_VALUE0=MEncoder 2:0.99+1.0pre7try2+cvs20060117-0ubuntu8.1
> > ID_CLIP_INFO_N=1
> > ID_FILENAME="mymov.avi"
> > ID_DEMUXER=avi
> > ID_VIDEO_FORMAT=FMP4
> > ID_VIDEO_BITRATE=523832
> > ID_VIDEO_WIDTH=400
> > ID_VIDEO_HEIGHT=240
> > ID_VIDEO_FPS=23.000
> > ID_VIDEO_ASPECT=0.0000
> > ID_AUDIO_CODEC=faad
> > ID_AUDIO_FORMAT=28781
> > ID_AUDIO_BITRATE=128000
> > ID_AUDIO_RATE=44100
> > ID_AUDIO_NCH=2
> > ID_LENGTH=2987.22
> > ID_VIDEO_CODEC=ffodivx
> >
> > Any ideas ? Thank you !
> >
> > Jorge Peixoto de Morais Neto
> ?????? > Hello, sorry for troubling again.
> > >
> > > If i want to use "-ovc xvid -xvidopts $str", what the $str should be here to instead of "-ovc lavc -lavcopts vmax_b_frames=2:vb_strategy=0:brd_scale=2:mbd=2:trell:v4mv:last_pred=3:predia=3:dia=3:cbp:preme=2:vqcomp=0.6:vbitrate=600:vpass=2:turbo" ?
> >
> > First, I don't know about Xvid options. Second, my testing has showed
> > that lavc mpeg4 yields better quality and speed than Xvid. Why do you
> > want to use Xvid?
> >
> > Oh, and I forgot to ask. With your latest two-pass encoding (which you
> > already told me that it worked), was the quality good?
> >
> > Oh, and so we can help you more, you should tell us something about
> > your video. Is it a live action movie, or is it anime? Also, use the
> > command
> > midentify YOURMOVIE
> >
> > And post the output here
> > _______________________________________________
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> >
> >
> >
> >
> >
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