InDashPC.org

f.e · Newbie Joined: 02 Mar 2006 Posts: 8

Hello,

i'm stuck on how to know what is the total length in bytes of a cdda track. I guess i need to know that in order to grab the entire track correctly, do i ?

The read_cdda_track.py from the CVS doesn't appear to clear the problem for me...

Why couldn't i set the bytes to -1 in order to say : "read all the track" ?

Best regards

f.e

f.e · Newbie Joined: 02 Mar 2006 Posts: 8

ok.

i made something like this :

def getLenFromToc(self, track):
c=cd.CD(0)
props= c.getProperties()
toc=str(props['TOC'][track-1])
trLen=str.strip(toc, "( )")
trLen=str.replace(trLen, "L", "")
trLen=str.split(trLen,",")
trackLen=int(trLen[1])*2352 # length in bytes
return trackLen

where 'track' is an int.

nb:'self' is only here because this function is implemented in a wrapper for another software (currently max/msp through pyext object)

thanks anyway

f.e

jbors · Site Admin Joined: 12 Nov 2004 Posts: 1675

cdda object exports file like object. So you can do f.seek( 0, pymedia.removable.cd.SEEK_END ) and then f.tell(). Try that Smile

Another option would be to get TOC and do the math like you mentioned.
Here is the sample code:

f.e · Newbie Joined: 02 Mar 2006 Posts: 8

That's great ! It works quiet well and it's shorter than my math solution...

Thanks a lot, jbors

by the way, why all the methods aren't listed in the doc ? i really like pymedia module but a few enhancements in the documentation would be great. And more examples too...

best regards

f.e

jbors · Site Admin Joined: 12 Nov 2004 Posts: 1675

This is OS project. Feel free to send docs, or anything you can Wink