[MPlayer-dev-eng] VCD and SVCD total playing time

[Julián Nuñez]

Ok, I correct myself. MPlayer report the duration of the video tracks as 
if they were audio tracks, or total track time. Using CDROMREADTOCENTRY 
ioctl.

For VCD the duration is almost the same as the VCDs I own all have 
28kbyte/s audio and 144 kbyte/s video, so they have 172 kbyte/s stream. 
As cd-audio has 172 kbyte/sec rate, the duration is the same.

But for SVCD bitrate is higher, mine has 296 kbyte/s stream, so the 
durations of the tracks are very different.

What I'm trying to do is find a way to Mplayer to report the total 
playing time, and track playing time for VCD and SVCD. Anyone knows if 
some of the files of the SVCD structure has this information?


Julián Nuñez wrote:

> Hi!
> I was wandering how to know the total playing time of VCD and SVCD, as 
> Mplayer report the duration in "MSF" sectors. Doing a mplayer vcd:// 
> -identify it says:
>
> LENGHT=0
>
> According to the VCD and SVCD specification, the leghts of the tracks 
> are listed the standart file "vcd/entries.vcd", but they are in msf 
> format too.
> I was wandering how to convert from "msf" to "total playing time", if 
> it's possible.
> Ultimately I want to be able to know the total duration of a VCD o 
> SVCD, to be able to jump, say, to the 60% of the VCD.
>
> Thanks.
>
>


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