Ubuntu and Multimedia (audio, in particular)
Alfred Vahau
Alf.Vahau at upng.ac.pg
Wed Jan 11 02:10:13 UTC 2006
This link appeared recently on this list.
http://demudi.agnula.org/
Alf
Michael Richter wrote:
> I've just found with the "killer app" for Ubuntu. And by "killer app"
> I mean "the app that kills any chance of widespread adoption". That
> application is multimedia.
>
> Let me first explain my setup. I have a laptop -- a Sony -- with a
> built-in sound system. It stinks, so I also have an external Sound
> Blaster (USB). Ubuntu recognises both sound systems and loads drivers
> for them. It then plays setup games so damned frustrating that it
> basically renders my system completely worthless as a multimedia
> platform. Here's what happens.
>
> 1) Despite my setting the default sound card in
> System->Preferences->Sound to my Sound Blaster, the only thing that
> reliably plays sounds out to the Sound Blaster are the system event
> notifications. I get nice, loud, clear sound events going out to my
> speakers for GAIM and for menus opening and closing, not to mention
> sporadically (yes, sporadically) getting sounds when windows open and
> close.
>
> 2) Totem, in particular, will play at random to my Sound Blaster or to
> my internal sound card (and crappy laptop speakers, of course.) There
> doesn't seem to be any rhyme nor reason to which one it chooses. I
> can click on the same movie file a dozen times and half the time it
> will play to the Sound Blaster and half the time it will play to the
> crappy system. And it's not alternating either. It may play to one
> three times in succession and then play to the other once and back
> again. It's ridiculous.
>
> 3) This point #2 applies only, of course, when Totem bothers to play
> sounds at all. Because on some files it will complain that the audio
> device is "busy" and ask me if another application is using it. Here
> it is reliably on individual files. I can play one file, get the
> random switching behaviour described above and then click on one of
> the "death" files and have it complain that the audio device -- note:
> the audio device it was just using! -- is "busy" and "in use by
> another application". Needless to say I can't persuade it that the
> device in question is not, in fact, busy. It just pops up the dialog
> and refuses... well, dialogue. And what is the difference between the
> movies that it can't play and the movies that it can (at random,
> albeit)? Well, you got me. They're all -- every single one -- AVIs
> encoded in Xvid. No tools I have access to show any kind of
> difference between them.
>
> Now for comparison, let me explain to you how these files worked under
> Windows -- going all the way back to Windows 98. (Yes, back to an OS
> that was released seven years ago.)
>
> 1) I set up my system by installing the appropriate codecs (just like
> I had to in Ubuntu) and telling it which sound card is used by default.
> 2) I play the movies.
> 3) The audio invariably goes out the correct sound card and never
> complains about the device being busy.
>
> When I demonstrate Ubuntu to people I'm hoping to persuade to use, how
> persuasive do you think that dialog that claims the sound card is busy
> is going to be? Or the random switch between sound systems?
>
> Now some practical questions:
>
> * How do I tell Ubuntu to ignore the damned internal sound card
> once and for all? You know, to pretend the thing isn't even
> there? To not even load the drivers for it? I suspect that
> would save me from the "randomly switching between sound cards"
> problem.
> * How do I persuade Totem that the sound card it just used a few
> seconds ago without any difficulties isn't suddenly unavailable?
> * How do I find out what the big difference is between the files
> that make Totem choke and the files which only make Totem
> randomly switch between sound cards?
> * Where can I get multimedia players for Linux that work without
> the headaches and hassles -- kind of like I've been finding
> under Windows since Win98? (I thought the bazaar was supposed
> to be more responsive and flexible than the cathedral!)
>
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