[MEncoder-users] Problems when creating video dvd

[Giacomo Comes]

On Mon, Jan 16, 2006 at 10:29:10PM +0100, Sebastian wrote:
> Hey!
> 
> On Mo, Jan 16, 2006 at 03:56:01 -0400, Giacomo Comes wrote:
> > 
> > Does MPlayer play fine the mpeg stream? I assume yes.
> > 
> Yes Sir!
> > 
> > You didn't post the whole mplex output, nor the command line you have used.
> > My guess is that you have not specified -f 8 as mplex option.
> > You should at least use -f 8 -V -b 230
> > 
> 
> Here we go:

Last try:
mplex -f 8 -V -b 230 -r 22712 -o tralala.mpg audio.ac3 video.mpg

Giacomo

> 
> mplex -f 8 -V -b 230 -o tralala.mpg audio.ac3 video.mpg
>    INFO: [mplex] mplex version 1.8.0 (2.2.4 $Date: 2005/08/28 17:50:54
>    $)
>    INFO: [mplex] File audio.ac3 looks like an AC3 Audio stream.
>    INFO: [mplex] File video.mpg looks like an MPEG Video stream.
>    INFO: [mplex] Video stream 0: profile 8 selected - ignoring non-standard options!
>    INFO: [mplex] Found 1 audio streams and 1 video streams
>    INFO: [mplex] Selecting dvdauthor DVD output profile
>    INFO: [mplex] Multiplexing video program stream!
>    INFO: [mplex] Scanning for header info: AC3 Audio stream 00 (audio.ac3)
>    INFO: [mplex] AC3 frame size = 768
>    INFO: [mplex] AC3 AUDIO STREAM:
>    INFO: [mplex] Bit rate       :    24576 bytes/sec (192 kbit/sec)
>    INFO: [mplex] Frequency      :    48000 Hz
>    INFO: [mplex] Scanning for header info: Video stream e0 (video.mpg)
>    INFO: [mplex] VIDEO STREAM: e0
>    INFO: [mplex] Frame width    : 720
>    INFO: [mplex] Frame height    : 480
>    INFO: [mplex] Aspect ratio    : 16:9 display
>    INFO: [mplex] Picture rate    : 29.970 frames/sec
>    INFO: [mplex] Bit rate        : 9800000 bits/sec
>    INFO: [mplex] Vbv buffer size : 229376 bytes
>    INFO: [mplex] CSPF            : 0
>    INFO: [mplex] SYSTEMS/PROGRAM stream:
>    INFO: [mplex] rough-guess multiplexed stream data rate    : 10202744
>    INFO: [mplex] target data-rate specified: 10080000
> ++ WARN: [mplex] Target data rate lower than computed requirement!
> ++ WARN: [mplex] N.b. a 20% or so discrepancy in variable bit-rate
> ++ WARN: [mplex] streams is common and harmless provided no time-outs will occur
>    INFO: [mplex] Run-in Sectors = 89 Video delay = 13019 Audio delay = 16022
>    INFO: [mplex] New sequence commences...
>    INFO: [mplex] Audio bd: buf=      0 frame=000000 sector=00000000
>    INFO: [mplex] Video e0: buf= 0 frame=000000 sector=00000000
> ++ WARN: [mplex] Stream e0: data will arrive too late sent(SCR)=10319433 required(DTS)=10319315
> ++ WARN: [mplex] Audio bd: buf=1917 frame=003580 sector=00001364
> ++ WARN: [mplex] Video e0: buf=42515 frame=003432 sector=00024335
> ++ WARN: [mplex] Stream e0: data will arrive too late sent(SCR)=10364489 required(DTS)=10364360
> ++ WARN: [mplex] Audio bd: buf=1725 frame=003596 sector=00001370
> ++ WARN: [mplex] Video e0: buf=26873 frame=003447 sector=00024636
> ++ WARN: [mplex] Stream e0: data will arrive too late sent(SCR)=10412470 required(DTS)=10412408
> ++ WARN: [mplex] Audio bd: buf= 1533 frame=003611 sector=00001376
> ++ WARN: [mplex] Video e0: buf=47027 frame=003463 sector=00024957
> ++ WARN: [mplex] Stream e0: data
> 
> [...]
> 
> **ERROR: [mplex] Too many frame drops -exiting
> 
> > 
> > I suggest you something else.
> > Try to use encode2mpeg (http://encode2mpeg.sf.net):
> > 
> >   encode2mpeg -o test_vid Documentary.avi -mpeg -dvd -n n -vfr 4 -encode 6:2:2 -vbr 5230 -imageonly -replex -mpegmbr 9800 -a 3
> > 
> > This is GUARANTEED (Tm) to work ;-).
> > I have used the necessary options that will encode almost with the same 
> > paramenters you have used (-encode 6:4:2 would be better but will be also much
> > slower).
> > If you try it, let me know the results.
> > 
> > Giacomo
> 
> Thx for the suggestion. Maybe I'll check it out.
> 
> Sebastian