Hardware :: When Using Dmix Not Able To Play The Stream?
Jan 26, 2010
I should mention that the card actually works and I am able to play sound through all the different out pouts, analog, Adat etc. But what I am not able to do is to use the 8 channels digital adat outputs in 4 separate stereo channels.
If I try configuring my asound.conf with 4 direct pcm devices:
pcm.stereo1 {
type plug
ttable.0.0 1
ttable.1.1 1
slave.pcm "hw:0,0"
}
[Code]....
but when using dmix i am not able to play evan one of the stream, and the I receive an error saying:
ALSA lib pcm_direct.c:978:(snd1_pcm_direct_initialize_slave) unable to install hw params
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to initialize slave
aplay: main:608: audio open error: Device or resource busy
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Jul 31, 2010
I'm having trouble getting ALSA to play multiple sound streams (multiple sounds at once). My code is running on an embedded ARM board using a AC97 sound. It will only play one without any mixing, I have to use pure ALSA as higher sound mixers are a nightmare to cross compile for ARM. I've tested my system with aplay for example
aplay -D plughw:0,1 bang.wav
works fine. So I tried dmix with
aplay -D plug:dmix Win.wav
That gave the following error
ALSA lib pcm_direct.c:1587snd_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)
aplay: main:550: audio open error: Invalid argument
I checked asound with
/etc # cat asound.conf
pcm.EP93XX {
type hw
[code]....
Does this mean dmix will not work? Is there someway with the above setup I can play multiple sounds? I have to use the vendor ALSA build (so can't update ALSA), I can change the .confs however. Also because I'm cross compiling things like pulseaudio SDL are very difficult to get working, so I basically need to use the above ALSA. Is there anyway I can find if dmix exists on the system?
Should add aplay -L does show dmix ?
iec958 'cards.pcm.iec958'
spdif 'cards.pcm.iec958'
[code]....
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Apr 20, 2015
I can't play a bbc radio stream on smplayer. Where do I start?
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Aug 17, 2011
I have a project to run simultaneously up to 8 video streams, from a pool of about 100 multicast cameras, and display them on 4 monitors. The PC I am using is a brand-new dual CPU 4-core Intel Xeon E5620 2.40GHz, Intel S5520SCR motherboard, 8GB memory and nvidia Quadro NVS 450 graphics. It's running Fedora 14 64-bit and outputs on 2x2 LCD monitors using Xinerama. So far, so good.
Playing a single video stream from any camera works fine. The problem is that, when I open a 2nd media player window with the purpose of playing other camera, all those two video windows play a single stream. It doesn't matter which camera stream I opened first, as soon as I open a 2nd stream, both windows show the same stream (either the first, or the second, at what seems to be a random choice). Further, a 3rd or a 4th video window will also play the same stream. In other words, one stream sort of "contaminates" all the other streaming windows to play that particular stream only. The problem remains the same even when the following changes are applied:
- graphics driver: nvidia or nouveau;
- video player: vlc or mplayer;
- number of active monitors: 4, 2 or 1.
I am really puzzled because, on the same computer, Windows XP SP3 32-bit runs beautiful. I can smoothly play up to 12 video streams and some computer applications, simultaneously. I cannot believe that an obsolete OS such as Windows XP can outperform by a long shot Fedora 14 64-bit in video streaming projects. Just doesn't make sense.
Note: I have also tested Windows 7 64-bit, it also runs multiple video streams in parallel without any problems, but Win 7 has issues that XP is free of (such as graphics output glitching every few seconds).
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Jul 17, 2010
I'm finding it very difficult to play a video stream of .mov format. The Totem Media player gives me an error : GstDecodeBin2: This appears to be a text file
Even Real Media Player for linux is giving me an error: General error: HXR_CORRUPT_FILE (0x80040091)
Even VLC hangs on trying to play it.
(BTW the file isnt corrupt though, its apple's last night's iphone press conference from their official website - [URL])
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Feb 9, 2011
I have a NAS set up (ubuntu server 10.04) which contains all my music. But when I play music from it, I can not see how long the song is and I can not skip to a specific time in the song. When I play video, all works well.
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Oct 24, 2010
I was trying to hear a webradio that streams in AAC+ with Audacious. (see: [URL].. I didn't work. So I searched the web and found this Thread: [URL]...-4-3-a-808167/ I installed faad2 from SlackBuilds.org and rebuild Audacious from Slackware's ftp server -> [URL]...xap/audacious/ But Audacious still doesn't play that stream. Here is the "tail" of the strace output:
[Code]...
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Apr 2, 2010
Every KDE4 application seems to take over the sound card. If I'm playing a song in Amarok and launch Dragon Player, the song stops. If I'm playing a song in an xterm using "mplayer -ao alsa" and then launch Dragon Player, the song stops. Most annoying of all, if I'm playing music in _anything_ and then a notification sounds in Kopete, the music stops.However, if I launch two xterms and play two different MP3s by running "mplayer -ao alsa" in each one, both songs play. So software mixing is working with my sound card.
This made me wonder if KDE is outputting music through OSS instead of ALSA. Well, KDE's audio backend is set to xine, and xine is outputting through ALSA. Under System Settings->Multimedia->Audio Ouput, the only devices I see.
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Nov 7, 2009
I have Fedora 11 and I cannot play a windows media stream in Firefox. E.g. http://www.rogersplus.ca/movie.asp?mid=35147# from this site I cannot view trailers in Windows Media Format but I can using Real Player. When I select Windows Media Stream, all I see is a black window in place of video.
I have installed following plugins in Firefox, DivX Browser Plug-in (Geko Media Player 0.9.8), MozPlugger 1.12.1, gecko-mediaplayer 0.9.8, VLC Multimedia Plug-in 1.0.3.
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May 19, 2010
I want to play a Quicktime stream and can't figure it out. When I try to play it either in Firefox or Movie Player, it says I need a text/html decoder plugin, but doesn't find one from the autosearch. Downloaded Ubuntu Restricted Extras from the Software Center, but no luck (don't know if I'm supposed to "do" something after that). MPlayer doesn't work on my computer, and I've also downloaded Avidemux, thinking maybe I'd get the right codec or plugin, but again, no luck. I am on Ubuntu 10.04 on an Eee PC, if it makes a diff.
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Jun 14, 2010
I want to play this link: [url]
It's a radio online station and i can't find the way to play it
Ubuntu 10.04 with Media player vlc xmms xine.
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Jun 17, 2010
I'm a new openSUSE 11.2 user and lately I've been getting repeated notifications from KDE saying that "the audio playback device HDA Intel(AD198x Analog) does not work" I get audio if I stream videos off the Internet but Amarok can't seem to play audio.
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Apr 20, 2010
Hello. I use dvd::rip 0.98.10 to create .wav sound files from DVDs and then play them in Totem Movie Player 2.28.2 (using GStreamer 0.10.25) mainly because I like the visualizations. It always used to work, but a recent batch will not play. I get: GStreamer encountered a general stream error. I probably used a more recent version of dvd::rip for the ones which don't play. Both MPlayer and VLC Media player plays them without a problem and older rips play fine in Totem too. The Audio/Video properties of a 'faulty' file (as shown in Nautilus) are greyed out for codec, channels etc., whereas a 'good' file shows Audio properties as Uncompressed 16-bit PCM audio etc., but running soxi on a good or bad file gives the same (good) results. I'd like to get this working, without doing anything to the .wavs preferably, so I guess I need to do something to Gstreamer, but I'm really not sure how to proceed. I'm using Linux Mint 8 64bit (rt kernel) and very nice it is too.
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Oct 24, 2009
Fedora Core 11 and installed songbird via songbird wiki website.I want to play mp3 files with songbird (which is basically why i downloaded it cos i dont like amarok) but when i try to play a file, it gives this message:"MediaCore Error: An id3 tag demuxer plugin is required to play this stream, but not installed"i searched a lot on web but couldnt find a solution
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May 29, 2010
i've just created a new .asoundrc which uses dmix. So i can use it in KDEs systemsettings. And all Programs can use the sound devices at the same time. The only Program who makes trouble is skype. If i hear music or watch tv and an skype systemsound comes, i must restart the Soundtrack. Now i have seen that skype uses ALSA. But if i set the default settings, skype would like to have exclusivly access for the sounddevices. Exists any way, to use skype with a mixer like dmix, so all applications have collaborative access to the sound devices.
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Sep 8, 2009
I am facing audio clipping issues when dmix is used for playback. For the test we used a full scale sine wave tone generated using software and encoded as "Signed 16 bit Little Endian, Rate 44100 Hz, Mono". The audio is getting cut out at a 2-3 second interval during playback. This happens only for a fraction of second but it is consistent. This does not happen when audio is played back on the device directly but only when going through dmix. We have observed that there were differences in audio cutting off when the sampling rate was set to 8000Hz and 32000 Hz in asound.conf. The contents of asound.conf is pasted below for your reference:
pcm.dmixer {
type dmix
ipc_key 2048
ipc_key_add_uid true
[code]...
Does this occur due to non-optimal settings of the parameters (buffers, periods) in the configuration or is it some other issue with the ALSA library or the kernel? Please ask if any more setup/configuration settings are required for reference.
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Sep 2, 2009
I'm using F11, KDE4. I have uninstalled Pulseaudio as it's unusable for my configuration (2 souncards, one of them a M Audio Delta 66). In order to not have Phonon blocking my M Audio Delta 66 card I need to use DMix. The built in ALSA dmix support doesn't show up in Phonon (System Settings -> Multimedia -> Device Preference) but I found out after some research how to add your own dmixer in the ~/.asoundrc file. Here are a few links:
http://noneus.de/?p=50
http://ptaff.ca/ptaffgnu/2009-07/124...dmix_et_phonon
http://amarok.kde.org/wiki/Setting_up_Dmix_for_ALSA
http://alsa.opensrc.org/DmixPlugin#7...e_ICE1712_chip
https://bugzilla.redhat.com/show_bug.cgi?id=474259
[Code]...
It might depend on the way it tries to access this device. When you hover the "DMixer" device it displays it will try the following devices: 1. ALSA: dmixer I think it should rather be ALSA: plug:dmixer But I can't figure out where you are able to configure this, does anyone know? I also wonder how I can remove the Pulseaudio entry in phonon. This is not important but still though PA is uninstalled. There is a Remove button but it's always disabled.
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Dec 26, 2010
It seems I might be having an issue that's a non-issue. I am not able to stream/ connect to a stream using vlc.I've looked at a few walk-throughs; I follow the steps and as often as not I get no error messages but cannot connect to a stream.
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Mar 10, 2010
After many days of trying to tweak Ubuntu 9.10 desktop i386. This subject will focus on my dvd drive. ...Here is what I have done, but I'm not sure what I did or still need to do, or to do different. ...
Basically the problem is, I can't play store bought DVDs, but I can play my copies of them.
When using MDPlayer that I added to Ubuntu, I can play the copies of my store bought DVDs, but not the originals. However, when using Ubuntu 9.10's movie player, it wont do anything and I'll have to do a force quit to close it.
I learned that this may because there is a repository of packages that cannot be included into the Ubuntu distribution, as I'm sure you already knew.
...Yet, Most people have worked around these issues.
I came across the Medibuntu site: [url]
Running the Terminal, I added the bash command that adds Medibuntu's repositiry to Ubuntu. It also adds Medibuntu's GPG key to the keyring.
(The sudo wget - etc etc etc --quiet update)
Then I jumped down to the... "This command should be run in the Terminal, after adding the repository:" ...And did that. (sudo sed -e 's/ etc etc etc /medibuntu.list)
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Oct 15, 2010
i just installed 10.10 on my girls laptop (Acer Aspire 5735z) hoping it would fix the old problem i had with playing real dvd's. it didnt. it keeps saying "Could not read from Resource". when i try with VLC is say "Could not read from file". but if i put in a burned movie, it plays fine. i checked and it has libdvdcss2, libdvdnav4, and libdvdread4 installed. i get the same problems with my laptop (toshiba portege m400 tablet) which runs fedora 13.
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Aug 11, 2010
I need to play or preferably convert (i.e. to MP3) old SNG files, which contain voice records. From what I could find, it's basically a MIDI created by synthetiser. I think it was recorded by some ancient VLC player. I failed so far to play it on anything I could download.
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Feb 28, 2010
Anyone else struggling to play iplayer video? I've got the proprietary Flash plugin, which means it's probably not this "SWF Authentication" thing that there's been so much talk about.
I've rebooted, tried all sorts of tinkering, it loads the applet (I can see that Flash is loading OK because other things work, and right clicking on the applet gives the Flash menu)
However, clicking the play button does nothing.
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May 2, 2010
is it possible to configure my midi play back on windows 7 to play that one of the 2:[URL]..
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May 1, 2011
I've had this problem on a few flash games (a couple of EA's sports management games on Facebook, and the Pokemon Dream World.) When I first use them everything's fine, but as I continue coming back to them, they seem to run a little slower each time. Ultimately in the case of the former two it got so bad that they were unusual.
Why is this happening? If they were slow from the start I could understood, but what could be making them go wrong on repeated plays?
I'm on 32 bit Kubuntu Lucid, firefox is my browser, and it's the official flash plugin.
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Feb 2, 2010
when i try to play a video, from internet it is showing the message 'Either javascript turned off or download and install latest adobe flash player'. But eventhough I downloaded and installed adobe flash player I am unable to play any video and still it is giving the above message. what is the reason?
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Nov 26, 2009
I used to be able to use the NFL game center on nfl.com to watch the play-by-play when I was using Fedora 10.Now that I am on Fedora 12 it no longer works. I am able to click into a game and see all the info but the play-by-play drive chart no longer displays anything. Does anyone out there know how to get this working?
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Jun 30, 2010
when I try to play music on amarok it just won't play, it just loads lyrics and then, nothing. on rytmbox everthing works fine but amarok don't work.
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Mar 10, 2015
I have tried to play mp3 files with sox play.
The result I get is:
play FAIL formats: no handler for file extension `mp3'
I have installed all libsox packages I could find, including libsox-fmt-mp3 and libmad0.
sox -h though, gives me:
AUDIO FILE FORMATS: 8svx aif aifc aiff aiffc al amb amr-nb amr-wb anb au avi avr awb cdda cdr cvs cvsd cvu dat dvms f32 f4 f64 f8 ffmpeg flac fssd gsm gsrt hcom htk ima ircam la lpc lpc10 lu m4a m4b maud mp4 mpg nist ogg prc raw s1 s16 s2 s24 s3 s32 s4 s8 sb sds sf sl sln smp snd sndfile sndr sndt sou sox sph sw txw u1 u16 u2 u24 u3 u32 u4 u8 ub ul uw vms voc vorbis vox wav wavpcm wmv wv wve xa
PLAYLIST FORMATS: m3u pls
AUDIO DEVICE DRIVERS: alsa ao oss ossdsp pulseaudio
(no mp3 mentioned there).
The reason I try to play mp3 files with sox is that I wanted to play a playlist with different formats and feed it to ices2 through a pipe, ie :
sox Musik/storlista.pls -t raw - | ices2 ices-pcm.xml sox
FAIL formats: no handler for file extension `mp3'
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Dec 18, 2009
how i can play a music with Canberra-gtk-play?because i had writedanberra-gtk-play -f musicfile but it does not play a music or maybe no sound is outed.
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Jan 21, 2010
I changed the backend of phonon from xine to gstreamer because I wasn't able to play .avi files with xine. I installed libxine1, and libxine1-codecs, but Kaffeine, Dragon Player and Gwenview crashed when trying to play an avi file. After changing the backend I was able to play .avi files, but now I can't play DVD's, which I'm able to do switching back to the xine backend.
how to play dvd's with the gstreamer backend
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