Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 108495 - GStreamer to ALSA plug pcm on M-Audio Audiophile 2496 skips regularly
Summary: GStreamer to ALSA plug pcm on M-Audio Audiophile 2496 skips regularly
Status: RESOLVED DUPLICATE of bug 190800
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: High major
Assignee: GStreamer package maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-10-08 07:03 UTC by Alex Jones
Modified: 2007-08-30 18:13 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Alex Jones 2005-10-08 07:03:38 UTC
I have a PCM defined as:

pcm.hifi {
        type plug
        slave.pcm hw:1
}

This works fine with beep-media-player, mplayer and aplay, but breaks with
anything GStreamer-powered. Even the sine test skips.

The skipping is roughly three times per second, it seems to slow playback down,
playing a fraction of a second then jumping back a bit and resuming from there.

I am using the ICE1712 driver provided in Linux 2.6.13-gentoo-r3, and
gstreamer-0.8.10. This wasn't an issue in gstreamer-0.8.9.

Reproducible: Always
Steps to Reproduce:
1. Define a plug PCM
2. Use it with gstreamer
Actual Results:  
Audio skips horribly :(

Expected Results:  
Phat ch00nz :D

The M-Audio card *does not open* unless I use ALSA's plug plugin. I experimented
for ages trying to get it to open but I think it's something to do with
endianness. Plug deals with it OK anyway.

I'm submitting this as "Major" because playback doesn't work. I'd say playback
is a major feature of gstreamer. :)

Cheers guys.
Comment 1 Kai 'Larde' Nielsen 2005-10-12 11:05:31 UTC
It's unrelated to "M-Audio Audiophile 2496". It's happening with driver
snd_cs46xx as well. I had to ditch alsasink and revice esdsink to get proper sound.
Comment 2 Alex Jones 2005-10-17 11:37:43 UTC
Is that card 24-bit 96 kHz capable?
Comment 3 Kai 'Larde' Nielsen 2005-10-18 09:40:01 UTC
(In reply to comment #2)
> Is that card 24-bit 96 kHz capable?

No, it's neither. The product sheet claims "Dual AC-97 2.1 audio codecs with
hardware full-duplex for simultaneous record and playback and up to 48 kHz
sample rates. 18-bit A/D converters for high-resolution recording. 20-bit D/A
converters for high-resolution playback of up to 6 independent streams."

Comment 4 Reuben Perelman 2005-10-25 19:02:56 UTC
Same problem with an M-Audio Revolution 7.1.
Comment 5 Samuli Suominen (RETIRED) gentoo-dev 2007-08-30 18:13:13 UTC
2005? Has to be related to GStreamer 0.8, if you still have issues with 0.10 please open a new bug.

*** This bug has been marked as a duplicate of bug 190800 ***