From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - driver 0001914]: playing 2-channel sound on surround device uses rear speakers
Date: Mon, 20 Mar 2006 13:04:30 +0100 [thread overview]
Message-ID: <635669307efef6cbd351c99e9bc0b969@bugtrack.alsa-project.org> (raw)
The following issue has been RESOLVED.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1914>
======================================================================
Reported By: mru
Assigned To: tiwai
======================================================================
Project: ALSA - driver
Issue ID: 1914
Category: PCI - cmipci
Reproducibility: always
Severity: minor
Priority: normal
Status: resolved
Distribution: Gentoo
Kernel Version: 2.6.15-gentoo-r1
Resolution: fixed
Fixed in Version:
======================================================================
Date Submitted: 03-11-2006 21:25 CET
Last Modified: 03-20-2006 13:04 CET
======================================================================
Summary: playing 2-channel sound on surround device uses rear
speakers
Description:
If I play regular 2-channel stereo sound specifying device "surround51" or
"surround40" (or either of those with a "plug:" prefix) the sound is
output on the rear speakers. 6-channel playback is correct.
======================================================================
----------------------------------------------------------------------
mru - 03-16-06 02:38
----------------------------------------------------------------------
Sorry, that last bit must have been caused by something else. Muting and
unmuting the "PCM" control somehow fixed it, even though the PCM mute
otherwise only affects the front speakers.
With the patch, 2-channel samples are padded to 6 by the plug: wrapper so
the sound is correctly played on the front speakers. 6-channel playback
is unchanged, as it should.
----------------------------------------------------------------------
tiwai - 03-20-06 13:04
----------------------------------------------------------------------
OK, closing this bug now. The better upmixing is a different thing (which
will be improved in near future).
Issue History
Date Modified Username Field Change
======================================================================
03-11-06 21:25 mru New Issue
03-11-06 21:25 mru Distribution => Gentoo
03-11-06 21:25 mru Kernel Version => 2.6.15-gentoo-r1
03-14-06 15:04 tiwai Note Added: 0008477
03-14-06 15:15 mru Note Added: 0008478
03-14-06 15:22 tiwai Note Added: 0008481
03-14-06 23:53 mru Note Added: 0008524
03-15-06 11:59 tiwai Note Added: 0008536
03-15-06 12:27 mru Note Added: 0008541
03-15-06 13:04 tiwai Note Added: 0008545
03-15-06 13:05 tiwai File Added: pcm-hw-restrict.diff
03-16-06 02:06 mru Note Added: 0008580
03-16-06 02:38 mru Note Added: 0008582
03-20-06 13:04 tiwai Status assigned => resolved
03-20-06 13:04 tiwai Resolution open => fixed
03-20-06 13:04 tiwai Note Added: 0008719
======================================================================
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next reply other threads:[~2006-03-20 12:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-20 12:04 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-03-16 1:38 [ALSA - driver 0001914]: playing 2-channel sound on surround device uses rear speakers bugtrack
2006-03-16 1:06 bugtrack
2006-03-15 12:04 bugtrack
2006-03-15 11:27 bugtrack
2006-03-15 10:59 bugtrack
2006-03-14 22:53 bugtrack
2006-03-14 14:22 bugtrack
2006-03-14 14:15 bugtrack
2006-03-14 14:04 bugtrack
2006-03-11 20:25 bugtrack
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