Ubuntu Multimedia :: Get Dts Passthrough Works In Many Many Ways With No Success
Jan 18, 2010
I found myself in troubles. I was trying to get dts passthrough works in many many ways with no success. Finally I (desperately) decided to try OSS rather than ALSA following this guide: [URL].. And there the things went wrong. I ended up with no sound at all so I tried to reinstall alsa again but with no luck.
basicaly what I did after following the guide was: sudo apt-get install alsa-base alsa-utils. sudo dpkg-reconfigure linux-sound-base //and choose alsa
but still, for example:
$ alsamixer
puts:
alsamixer: function snd_ctl_open failed for default: No such file or directory
$ /etc/init.d/alsa-utils start
* Setting up ALSA... [ OK ]
but no alsa process at all. $ aplay -l aplay: device_list:223: no soundcards found. It seems to me like sound card drivers are gone..
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Jun 16, 2010
Is it possible to install XBMC onto Ubuntu Lucid and still have passthrough audio to a connected receiver (i.e. a workaround with Pulse)? I have an Acer Aspire Revo R1600 connected via HDMI to my Onkyo reciever. I am able to get desktop sounds and play MP3 files from XBMC, but passthrough has been a bear. If I tell Pulse that my sound device is analog, for some reason I can get XBMC to pass through audio. However, I would like to keep system sounds and have the passthrough ability if it's possible. As I understand it (from about two weeks of fidgeting) this is a limitation of Pulse and it's lack of pass through support. It seems so simple. I've tried multiple different .asoundrc configirations none of which have gotten me there. I've upgraded Alsa. I'd rather not run XBMC live if I dont have to. I'd like to have the ability to have a workstation for when I need it. I've upgraded to the latest NVIDIA driver available from their website - 195.36.31.
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Jun 3, 2010
I've just upgraded to 10.04 and even if I am able to use my two displays with my Nvidia GPU, it bugs me that I can't use basic transparency controls on my desktop (compositing in Xfce). I've searched all over google and most links say it's impossible to mix Xinerama with Compositing, while others suggest using the old Xgl implementation will do the trick. I've also read things about Xrandr and that it might be a substitute for Xinerama, but it seems Nvidia drivers doesn't support it.
So, basically, I am at the end of my wits and I wanted to ask (shout?) if anyone managed to: 1. use two displays as part of the same desktop AND use compositing (window transparency) 2. or hack the compositing feature to work with some sort of software acceleration instead of hardware acceleration
Google lists all sorts of solutions, but none conclusive. So, is there a way out of this problem, maybe by using nouveau, or Xrandr, or something else entirely?
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Oct 29, 2010
I burn a dvd with k3b or braseo and it says it completed the burn w/o error but when I go to put it back in to read it just keeps the read light on on the drive and wont read. I have tried to read the DVD on windows 7 as well and get the same result. I had this issue with Kubuntu 10.04 as well and wrote it off as a quirk of Kubuntu. Before that I had Gentoo installed for many years w/o issue. So I have a hard time believing that suddenly when I switch from Gentoo that I am having this problem with my drive.
The following is the dmesg |Tail from inserting a dvd burnt w/ k3b:
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Jun 26, 2010
I'm owning an old single Core AMD (Opteron 148, like Athlon 64 3200+), it can't play h264 1080p-Videos without framedrops in active scenes. I'm also owning an not so old AMD/Ati Radeon HD 2400. It's not an UVD2 card, it's not even UVD+, its UVD i.e. UVD1. All articles regarding GPU h264 decoding I've found so far are saying "for vaapi gpu decoding on linux you need to have a UVD2 card". That's wrong! My UVD1-Card is playing fine some demo movies.
Setup:
Ubuntu "Lucid" 10.4
"deb http://ppa.launchpad.net/nvidia-vdpau/cutting-edge-multimedia/ubuntu lucid main" in /etc/apt/sources.list.d/cutting-edge-multimedia.list
[code]....
(With the original Ubuntu Lucid fglrx (8.723) there's some error, I don't remember the words. It doesn't work for me)It's working. I can play h.264 HD Videos with mplayer and decode it with a Radeon GPU. vlc 1.2 not working so far. It seems it's decoding fine, but screen remains green. Here's a screenshot, no fake! It's a two Monitor setup with fglrx' big Desktop. On the right there's running a movie Trailer (I Am Legend) and on the left there's some status info. Quality is not perfect (as you can see, horizontal displacement), but it's basically working.
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Mar 6, 2011
I've been trying to get hardware acceleration (Direct Rendering) working on my system without success. I'm not even sure if my card supports DR or not, my searchs haven't turned up a result for this question. I don't know if its the video card, nvidia packages or bad configurations. Any help with the diagnosis?
Distro: Debian Lenny
Kernel: 2.6.26-2-686
VideoCard: nVidia Corp. NV44 GeForce 6200 TurboCache(TM)
nVidia-kernel-2.6.26-2-686 v.173.14.09
nVidia-glx v.173.14.09-05
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Feb 26, 2010
can someone give me some details for ssh passthrough from ssh version1 to ssh version 2. ssh version1 to version1 and version 2 to version 2 works wel, but version 1 to version 2 is asking for a password ...
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Dec 2, 2010
Right now I have a VPS that I tunnel through using SSH/Putty/Proxycap. I use it for a certain program which uses a certain port X for authentication, and a different port Y for its data. However, due to certain security protocols I need port X to be somewhat "transparent" so that the IP from the originator will be shown - whilst tunneling data through port Y. The conditions though, are that I cannot just change the X/Y port values in the application itself, these are company specific.
How would I go about doing this? Because right now, my understanding is that if Putty calls for a certain application to go through a socks server, ALL its ports will be directed at that. I want a certain port to be passthrough.
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May 18, 2011
The workstation is running FC14.
I have the audio out of the media machine passed into the line in on my workstation. It's just handly to have the audio pass in this way so that i can manage the volume or headphones or whatever from one machine.
This worked, and worked well, for a very long time. I recently reinstalled the workstion, FC14 still. After the reinstall, my passthrough doesn't work.
If i start up some media on the media machine, and then open up the volume control on the workstation, i can see the volume meter moving along with the audio, but nothing plays out of my speakers.
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May 1, 2010
This is a clean install of Lucid sometimes I get the Ubuntu loading screen and sometimes just black screen followed by a flash of green across the top and some text. Sometimes its loads with a high resolution and that's when there are other problems no authorisation to mount other file systems and no shutdown or restart just takes me back to login. When it loads at the lower resolution it seems to work fine.
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Feb 6, 2010
I just want to know weather it is possible by some means to set different preferences for the two desktops that are available in ubuntu?? E.g.: different backgrounds, shortcuts etc...
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Jun 15, 2010
I have been using another Linux distro(Xandros) for 3 years on one computer and have just installed Ubuntu 10.04 on a different computer. I am trying to network the 2 computers via simple ethernet cards and a crossover cable so that I can gradually migrate applications, data and peripherals from Xandros to Ubuntu. I am completely new to Ubuntu and I am really struggling to get NFS to work. Each computer
can ping the other, so the hardware connectivity seems OK. I have shared the relevant directories from each computer. I have followed malco2001's ellent HowTo guide and have now reached the stage where Xandros, as client, can mount directories on Ubuntu, as server, and see the files but I cannot get Ubuntu, as client, to mount directories on Xandros. When I attempt this from Ubuntu, using the command
# mount -t nfs 192.168.1.2:/home/richard /mnt/PC2_richard
(I have already issued from Ubuntu: # mkdir /mnt/PC2_richard)
I get the message:
mount.nfs: mount to NFS server '192.168.1.2:/home/richard' failed: RPC Error: Success
The configuration of various files etc. is as follows:
Ubuntu
IP address: 192.168.1.1
[Code]...
I should mention that Xandros does not have nfs-kernel-server installed; instead it has nfs-user-server.I am sorry if I have omitted or done something really stupid but I have spent best part of a week on this with only partial success.
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Jun 28, 2011
I have an old desktop computer at home in which the CD drive is not functional. Also my BIOS does not allow me to boot from USB. Is there anyway in which I can run Ubuntu 11.04? Installing inside windows is not an option too because the partition containing windows is not not working.
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Jan 18, 2011
can anyone please provide useful command for :
1)ways to enable/disable OS service(FTP/Email/Web server/Firewall/telnet/Lan file sharing)
2) basic interaction with the OS ( checking information/Open Files/Running Program)
3)Boot-loading configuration and customization
4)installation/uninstallation of programs/system patches
5)System configuration(Time setting/Date setting/User login detail change/Access right control)
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Feb 2, 2011
My desktop machine has U 10.10, Gnome, Compiz, Cairo dock. After a lengthy session with lots of programs and windows open, hitting the shutdown or restart or logout buttons don't produce anything at all. Suspend works. Sudo shutdown -h now in a terminal window works. Why the graphical ways of shutting down don't work?
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May 10, 2011
Im running the upgrade to natty 64. My cd rom drive works when it wants to. when i put the disk in the system wont recognize it. so i just leave the disk in when i go to work. when i turn the comp back on 8-16 hrs later it will show up as ready to burn. i flashed back to windows and the drive wouldn't work at all, but on 10.04 it worked all the time. do you think that the drive is just being temperamental and is on its way out? or a kernel issue? If I shut the comp off and turn it right back on with the medium left in it, it will recognize the disk. this will not work on a restart.
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Mar 5, 2010
I find out there are two ways to do that:
sudo passwd -l root
sudo usermod -p root
What are the different? I saw a kubuntu post said:
-l, --lock
Lock the named account. This option disables an account by changing the password to a value which matches no possible encrypted value. I enable and set a root password, I want to return to a "no possible encrypted value" just like the way it was.
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Oct 28, 2010
am running 10.10 64bit and I am wanting to change a few wayssome programs start up on boot, they are as follows:1. make NetworkManager not load onboot and require me to manually start it in the command line2. make bluetooth not start on boot and allow to manually start it from the command line3. make networking not boot on startand start manually from command line I have been trying to search on google but most of thereads I find are about removing things completely and the few that werent did not work for what I want to do.
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Jan 11, 2011
I'm looking to run a dual boot on this laptop. I have Win7 currently installed, and I have my hard drive partitioned and ready to go for an Ubuntu install. I've downloaded the i386 CD from the website, burned it successfully. I rebooted with the disc in, and when I select install to hard drive, it shows a blinking cursor below the install screen and hangs there. I installed the ISO to a bootable USB drive and tried to install it that way, same thing. I even tried downloaded one of the alternative CDs and installing it both ways. Same problem. Ive installed Ubuntu on this laptop before and it's ran successfully. I believe it was 9.04.
Gateway ML3109
2GB of RAM
75GB HDD (65 for Win7, 10 for Ubuntu)
798MBs of Video RAM
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Feb 23, 2010
I'm trying to make a DVD that'll play on my stand alone DVD player. I import and edit the video using Kino and then export in an MPEG format. Fool that I am....I then waste hours and hours of time trying to create a DVD using Qdvdauthor. Then I click Create DVD and what does it do? It creates a bunch of useless files that when burned into a DVD produce a piece of junk.
Does anyone know exactly how to make a working video DVD on Ubuntu? unless you know exactly how to solve this problem don't send a bunch of links. I'm tired of reading the same regurgatated "how tos" that don't work.
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May 11, 2010
I'm on 10.04. Every dvd ripper I've tried so far has failed in one or another. I have all restricted extras and medibuntu codecs installed.
DVD::Rip either throws an error message or stops ripping somewhere through the process
Handbrake only finds some of the dvd titles
OGM rip gives an "Unknown error"
Acidrip says "mencoder interrupted by user"
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Sep 13, 2010
I absolutely love Xubuntu, and I have it installed (9.10) on two laptops and one desktop pc.The only major problem: I can't play my dvds!! I've tried to open them with VLC, Totem, etc, but no luck. The icon appears, but says I'm missing some files.
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May 20, 2010
I am running Red Hat Linux Enterprise 5; I am always using the export command to set environment variables.Are there any other ways to set environment variables and what are the advantages/disadvantages of them?
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Feb 17, 2011
would be the best and easiest way to control my remote server(preferably using desktop GUI of course) from a Windows PC ?
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Jun 21, 2011
I'm currently trying to find ways to get in-depth knowledge of the Linux OS. To give a brief overview of where I am at right now, I am a computational science graduate student who does all of his work on *nix scientific clusters.I also took a lot of computer engineering and computer science courses in college, as well as being the stereotypical standard computer nerd growing up, so I'm somewhat familiar with computer architecture, though more from the hardware side.So I'm familiar (though I wouldn't claim to be an expert quite yet, by any means) with using Linux and C programming, and I have a basic grasp of generic computer architecture, but what I feel I really lack knowledge in is the specific details of the Linux. All the details of the boot process, exactly what the kernel does, how Linux handles memory management, etc. I'm having difficulty finding any information on this;all I can find is generic information targeted towards people who are just starting out, and the stuff I've found that talks about the kernel seems more oriented towards "you change setting X and Y happens" rather than what the kernel is doing.
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Sep 25, 2010
I've found various programs and methods to measure FLOPS, but I don't seem to understand them. What is wrong with the following?
test-flops.py
Code:
#! /usr/bin/env python
float_increment = 1.03 # random
start = 57.24 # random
floating_point = start
for i in xrange(10 ** 6):floating_point += float_increment
Code:
PROMPT$ time ./test-flops.py
As far as I can see, this times a program that performs 1 million FLOPs (namely incrementation).
This outputs about 1.2 seconds on my (reasonably fast) machine, giving 840kFLOPS, which is much too low.This post may be in the wrong section; a C translation increments the result by three orders of magnitude (ie, py sucks), but this is still considerably less (~ 7-fold) than published values.
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Oct 10, 2010
I just recently installed Fedora Server on my computer and I am planning on hosting my website on this server instead of paying for hosting.All of my files for my website are currently using php but for some reason when I moved them here to "test" them before launching the final switch, the PHP does not work.I have further investigated this issue to learn that my php files were written using:<? and ?> to start the scripts
Apparently I have to write <?php and php?> to make these scripts work now.Is there a way I can edit a system file to allow me to use both instead of having to change all my files?
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Nov 30, 2010
During my read, "Code Complete",the author described the different ways of handling the ADT interface.He has wrote this passage:
Quote:
Option 2: Explicitly provide the data used by the ADT services. In this approach, you declare the data that the ADT uses within each routine that uses an ADT service. In other words, you create a Font data type that you pass to each of the ADT service routines. You must design the ADT service routines so that they use the Font data that's passed to them each time they're called. The client code doesn't need a font ID if you use this approach because it keeps track of the font data itself. (Even though the data is available directly from the Font data type, you should access it only with the ADT service routines.This is called keeping the structure "closed.") The advantage of this approach is that the ADT service routines don't have to look up font information based on a font ID. The disadvantage is that it exposes font data to the rest of the program, which increases the likelihood that client code will make use of the
ADT's implementation details that should have remained hidden within the ADT.
The problem is that it is a bit subtle in terms of coding for me. Can anybody give more concrete example, in working codes, especially in Java?
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Jul 10, 2010
I have 3 servers with Oracle 10g installed. In order for rsync to work for log shipping I need to have passwordless SSH configured.*Note: I did not configure these servers, 2 DBA's got canned and I'm left to fix this and I am not a DBA.I have done passwordless SSH in the past and it is easy.Here is my problem: (-> = passwordless ssh works)ServerA -> ServerCServerB -> ServerCBut I need all 3 to be able to do passwordless SSH to each other.I deleted all the files in /home/oracle/.ssh on all 3 servers and this is what I did for all 3 servers:
ssh-keygen -t rsa
ssh-keygen -t dsa
cat id_rsa.pub >> authorized_keys
[code]....
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Jun 19, 2010
I've set up a server for the first time today and I'm reading up on how to secure it. But I was wondering if anyone here would give me some tips from personal experience on what to do before going online with my website for the whole world to see. I'm running Ubuntu Server edition and Apache. Am I good to go with default settings or is there anything recommended that I should first do?
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