2010/2/11 Stephen Powell <zlinux...@wowway.com>: > On Thu, 11 Feb 2010 11:04:30 -0500 (EST), Leonardo Canducci wrote: >> The SATA dvd burner in my desktop doesn't have any analog output so >> cdplay (or cdcd) does not work (disk is spinning and led is blinking >> but no audio). > > How sad. Apparently, the drive *does* support the play command, > but if there's no place to plug in an audio cable, there's no > way to get sound out of it. And if there's no headphone jack either, > then the analog play function is basically useless. :-( > It reminds me of a quote by my high school chemistry teacher: > "An engineer that can't write reports is like a cow without teats". > > cdinfo -v > > and > > cdir > > will also give you a status of what the hardware is doing. > (i.e. whether the device is playing or not, what track is > playing, how many minutes have elapsed on the track, etc. > > ....+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8 >> In windows (2k and xp at least) you can set the device to handle audio >> in digital. >> Media player uses digital audio anyway. > > OK. > >> Stephen Powell wrote: >>> Here's one way to be sure. Play a CD in Windows. While >>> the CD is playing, unplug the audio cable, either at the >>> drive end or the sound card end. If sound suddenly >>> disappears, the media player is using the analog method. >>> If you continue to hear sound, it's using the digital method. >> >> There's an easier way: change CD volume volume from audio mixer. When >> using digital it has no effect (PCM would do). > > True. And it's easier to implement for computers where it's > difficult to access the hardware while the machine is running, > such as in a laptop. But unplugging the cable is very effective > at convincing people! > >> Stephen Powell wrote: >>> If you can get the analog method to work under Windows, then >>> chances are that cdplay was not talking to the correct drive >>> under Linux. Either that or the drive uses some type of >>> non-standard command set that the Windows media player >>> understands but cdplay, which follows the industry standard >>> command set, does not. >> >> It's more complex than that: I tested the unit on a different win xp >> pc this morning and everything worked fine (analog included). > > Uhh ... OK, now I'm confused. You just said that the drive does not > have any analog audio output. So it can't work in analog mode in > *any* PC, right? But you just said you got it to work in analog > mode in another PC! How is that possible? Are we talking about > two different DVD drives? Are you sure that win xp was using > analog mode? I was referring to my desktop SATA burner before to explain how dvd modern drives behave. Here I'm talking about the IDE drive troubleshooting. > >> Same >> with ubuntu karmic and slitaz started from a USB stick. On its pc >> instead the drive reads cds in digital only with win2k and it doesn't >> read them at all in linux (cdplay, cdcd, rhythmbox, ecc.) while >> working fine with data cdrom and dvd. It must be some strange wicked >> of motherboard, drive and lenny. > > Now I'm even more confused. I don't remember whether my Debian box > uses totem or rhythmbox, but I'm pretty sure that whatever is the > default media player uses the digital playback method. cdcd and cdplay use analog audio
-- Leonardo Canducci -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
