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Adobe's Linux Video API Rant Extended

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  • RealNC
    replied
    Personally, I could continue living with this issue if it means I can keep having acceptable audio latencies, non-skippy audio and a "dmix" (vmix in OSS4) that actually works. But in the end, as I see it, only a two things can help:

    * Someone fixes ALSA (unlikely)
    * Someone fixes OSS4 (unlikely)
    * Someone kills ALSA so development shifts to OSS4 (unlikely)

    So I guess Linux audio is still screwed for years to come :P

    Note that fixing PulseAudio doesn't help; it uses either ALSA or OSS under the hood, and it's those that are broken (with ALSA being more broken when I judge it using my own priorities.)

    Leave a comment:


  • BlackStar
    replied
    Thanks, I just read that Licaon's link which suggests proper power management as one of the goals for OSSv5. Pretty nasty as it is, OSSv4 cannot really replace ALSA+Pulse without proper suspend, at least not in the general case. I guess it could work for some people, but I'd be really pissed if my laptop couldn't go to sleep!

    No, wait, Nvidia managed to break suspend pretty well here. And, ugh, it sucks. Whoever says that fast boots aren't necessary is an idiot!

    And I think I'm ranting again, logging off.

    Leave a comment:


  • RealNC
    replied
    It's true. Suspend doesn't work with OSS4. One has to close all applications that use it and do a "soundoff" before suspending.

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  • BlackStar
    replied
    Originally posted by Licaon View Post
    /offtopic: i'm now a happy OSSv4 user since i tested it a while ago, i love to listen to glitch free music with MPD, while i don't have anything against ALSA per se, i can't be happy with skipping music when my CPU is at 50% or when i copy some files from a partition to another
    oh, and this ( need for ALSA ) situation was created by 4 Front when they decided to stop support those kernel drivers so i kinda hate them for that but love them for what OSSv4 is now ( a viable alternative to my ALSA gripes )
    I read somewhere that OSSv4 does not support suspend-to-ram (sleep) - is this true?

    Leave a comment:


  • Licaon
    replied
    /offtopic: and this http://4front-tech.com/hannublog/?p=36 sounds good

    @Michael: do make that post EDIT time limit bigger than 1 minute pleasa

    Leave a comment:


  • Licaon
    replied
    /offtopic: i'm now a happy OSSv4 user since i tested it a while ago, i love to listen to glitch free music with MPD, while i don't have anything against ALSA per se, i can't be happy with skipping music when my CPU is at 50% or when i copy some files from a partition to another
    oh, and this ( need for ALSA ) situation was created by 4 Front when they decided to stop support those kernel drivers so i kinda hate them for that but love them for what OSSv4 is now ( a viable alternative to my ALSA gripes )


    /ontopic: my post on the Adobe blog showed up eventualy, what i don't understand is how is that the Flash team talks with nVidia Windows team only while the nVidia Linux and VDPAU teams are getting blamed for Flash issues ? baffling

    Leave a comment:


  • mugginz
    replied
    Originally posted by deanjo View Post
    PulseAudio isn't really a requirement for KDE systems and is optional. openSUSE for example removed it from the default install on KDE desktops.
    Kubuntu also doesn't install it as a default but when it's time to use bluetooth headsets installing Pulse is about the only way to go.

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  • deanjo
    replied
    Originally posted by Remco View Post
    I will explain why I made the diagram that way:
    • It's not an advertisement for PA. On a modern Linux system, this is how the situation is.
    Actually that isn't really true. PulseAudio isn't really a requirement for KDE systems and is optional. openSUSE for example removed it from the default install on KDE desktops. Them having done that issues with audio dropped drastically from the versions that had it installed by default.

    Leave a comment:


  • Ex-Cyber
    replied
    Originally posted by RealNC View Post
    Third, ALSA's OSS emulation is not worse that it's native mode. Someone here claimed that this emulation has latency issues.
    I don't see such a claim here. If you're talking about my post, I was listing general problems that people have run into when trying to run OSS apps on ALSA-based systems (including those caused by sound servers), not just problems with ALSA's OSS emulation specifically.

    Leave a comment:


  • RealNC
    replied
    First, OSS is not deprecated. Unless you mean the version in the kernel. That one is deprecated of course. But people use a modern OSS version, not the ancient in-kernel one. People seem to forget that ALSA is not a cross-platform API. It's Linux-only (I thought Linux folks hated non-portable stuff). Unix in general uses OSS, so it's still relevant.

    Second, ALSA is hated by developers because of it's brain damaged API. It provides thousands (literally) of routines. That has to be the most bloated and unnecessary sound API ever created by humans. Looking at it makes one reconsider all those conspiracy theories of M$ people infiltrating Linux kernel development and putting crap in it in order to hurt its popularity by desktop/multimedia users.

    Third, ALSA's OSS emulation is not worse that it's native mode. Someone here claimed that this emulation has latency issues. The exact opposite is actually happening; ALSA has very high latencies in "ALSA mode", while the OSS emulation is very low latency. And I'm not talking here about latency that would be required only for arcane real time stuff: ALSA is *lagging* like crap compared to MS Windows or... OSS. But the most hated thing about ALSA is it's API that doesn't even work. Putting ALSA support in everything else than a "hello world" sound application is going to be a pain in the butt of every developer out there. It wasn't too long ago that the majority of applications out there said "OSS recommended" in their README files.

    Leave a comment:

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