Breezy, SB LIve Alsa Problem, can't mute line in capture.

[David Foster]

I have not been able to get my soundblaster live card to work properly with
MythTV since switching to Breezy. I had been using Warty and Mythtv for over
6 months till my os hard drive crashed. I though this would be the time to
upgrade to breezy (colony 5?). After a fresh install of breezy and restoring
the mysql database(had a backup sql dump :) and the myth tv packages all
works well except the sound. Mythtv needs to silently record one stream from
line in, while playing a separate stream out. I can get one or the other but
not both at the same time. This used to work just fine in Warty. I'm not
sure weather to post to the mythtv list or here, but here is some info:

amixer output from a fresh boot: I can listen to already recorded shows, and
no sound is being passed though from line in
------------------------------
------------------------------------------------------------------
Simple mixer control 'Master',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 25 [81%] [on]
Front Right: Playback 25 [81%] [on]
Simple mixer control 'Headphone LFE',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Headphone',1
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 100
Front Left: Playback 0 [0%]
Front Right: Playback 0 [0%]
Simple mixer control 'Headphone Center',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Tone',0
Capabilities: pswitch
Playback channels: Front Left - Front Right
Mono:
Front Left: Playback [off]
Front Right: Playback [off]
Simple mixer control 'Bass',0
Capabilities: volume
Playback channels: Front Left - Front Right
Limits: 0 - 40
Mono: 23 [58%]
Front Left:
Front Right:
Simple mixer control 'Treble',0
Capabilities: volume
Playback channels: Front Left - Front Right
Limits: 0 - 40
Mono: 20 [50%]
Front Left:
Front Right:
Simple mixer control '3D Control - Switch',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control '3D Control Sigmatel - Depth',0
Capabilities: volume volume-joined
Playback channels: Mono
Limits: 0 - 3
Mono: 0 [0%]
Simple mixer control '3D Control Sigmatel - Rear Depth',0
Capabilities: volume volume-joined
Playback channels: Mono
Limits: 0 - 3
Mono: 0 [0%]
Simple mixer control 'PCM',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 24 [77%] [on]
Front Right: Playback 24 [77%] [on]
Simple mixer control 'Surround',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 36 [36%] [off]
Front Right: Playback 0 [0%] Capture 36 [36%] [off]
Simple mixer control 'Center',0
Capabilities: pvolume pvolume-joined
Playback channels: Mono
Limits: Playback 0 - 100
Mono: Playback 100 [100%]
Simple mixer control 'LFE',0
Capabilities: pvolume pvolume-joined
Playback channels: Mono
Limits: Playback 0 - 100
Mono: Playback 100 [100%]
Simple mixer control 'Synth',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'Wave',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 89 [89%] Capture 0 [0%] [off]
Front Right: Playback 89 [89%] Capture 0 [0%] [off]
Simple mixer control 'Wave Center',0
Capabilities: pvolume pvolume-joined
Playback channels: Mono
Limits: Playback 0 - 100
Mono: Playback 0 [0%]
Simple mixer control 'Wave LFE',0
Capabilities: pvolume pvolume-joined
Playback channels: Mono
Limits: Playback 0 - 100
Mono: Playback 0 [0%]
Simple mixer control 'Wave Surround',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 100
Front Left: Playback 0 [0%]
Front Right: Playback 0 [0%]
Simple mixer control 'Line',0
Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 0 [0%] [off] Capture [on]
Front Right: Playback 0 [0%] [off] Capture [on]
Simple mixer control 'Line LiveDrive',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'Line2 LiveDrive',1
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'CD',0
Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 0 [0%] [off] Capture [off]
Front Right: Playback 0 [0%] [off] Capture [off]
Simple mixer control 'Mic',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Playback channels: Mono
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono: Playback 0 [0%] [off]
Front Left: Capture [off]
Front Right: Capture [off]
Simple mixer control 'Mic Boost (+20dB)',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Mic Select',0
Capabilities:
Mono:
Simple mixer control 'Video',0
Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 0 [0%] [off] Capture [off]
Front Right: Playback 0 [0%] [off] Capture [off]
Simple mixer control 'Phone',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Playback channels: Mono
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Mono: Playback 0 [0%] [off]
Front Left: Capture [off]
Front Right: Capture [off]
Simple mixer control 'IEC958 Coaxial',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'IEC958 LiveDrive',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'IEC958 Optical Raw',0
Capabilities: pswitch
Playback channels: Front Left - Front Right
Front Left: Playback [off]
Front Right: Playback [off]
Simple mixer control 'IEC958 TTL',0
Capabilities: pvolume cvolume cswitch
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 0 [0%] Capture 0 [0%] [off]
Front Right: Playback 0 [0%] Capture 0 [0%] [off]
Simple mixer control 'PC Speaker',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 15
Mono: Playback 0 [0%] [off]
Simple mixer control 'Aux',0
Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 29 [94%] [on] Capture [off]
Front Right: Playback 29 [94%] [on] Capture [off]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch cswitch-joined
Capture channels: Front Left - Front Right
Limits: Capture 0 - 15
Front Left: Capture 10 [67%] [on]
Front Right: Capture 10 [67%] [on]
Simple mixer control 'Mix',0
Capabilities: cswitch cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Capture channels: Front Left - Front Right
Front Left: Capture [off]
Front Right: Capture [off]
Simple mixer control 'Mix Mono',0
Capabilities: cswitch cswitch-joined cswitch-exclusive
Capture exclusive group: 0
Capture channels: Front Left - Front Right
Front Left: Capture [off]
Front Right: Capture [off]
Simple mixer control 'AC97',0
Capabilities: pvolume cvolume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 100 Capture 0 - 100
Front Left: Playback 100 [100%] Capture 80 [80%]
Front Right: Playback 100 [100%] Capture 80 [80%]
Simple mixer control 'External Amplifier',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'SB Live Analog/Digital Output Jack',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Sigmatel 4-Speaker Stereo',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Sigmatel Output Bias',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Sigmatel Surround',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 21 [68%] [on]
Front Right: Playback 21 [68%] [on]
Simple mixer control 'Sigmatel Surround Phase Inversion Playback ',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
----------------------------------------------------------------------------------------------------------------------------
now I start to watch live tv, the sound from the tuner comes right though
and I can here the delayed sound at a lower volume. deselecting the caputre
record box(gnome-alsamixer) stops the live sound and stops recording sound.
Following is the diff between the amixer output after watching tv.......
----------------------------------------------------------------------------------------------------------------------------------
~$ diff amixer.freshboot.txt amixer.lineinpassingthough.txt
234a235,276
> Simple mixer control 'EMU10K1 PCM',0
> Capabilities: volume
> Playback channels: Front Left - Front Right - Front Center
> Limits: 0 - 65535
> Mono: 65535 [100%]
> Front Left:
> Front Right:
> Front Center:
> Simple mixer control 'EMU10K1 PCM Send',0
> Capabilities: volume
> Playback channels: Front Left - Front Right - Front Center - Rear Left -
Rear Right - Woofer - ? - ? - ? - ? - ? - ?
> Limits: 0 - 255
> Mono: 255 [100%]
> Front Left:
> Front Right:
> Front Center:
> Rear Left:
> Rear Right:
> Woofer:
> ?:
> ?:
> ?:
> ?:
> ?:
> ?:
> Simple mixer control 'EMU10K1 PCM Send Routing',0
> Capabilities: volume
> Playback channels: Front Left - Front Right - Front Center - Rear Left -
Rear Right - Woofer - ? - ? - ? - ? - ? - ?
> Limits: 0 - 15
> Mono: 0 [0%]
> Front Left:
> Front Right:
> Front Center:
> Rear Left:
> Rear Right:
> Woofer:
> ?:
> ?:
> ?:
> ?:
> ?:
> ?:
-------------------------------------------------------------------------------------------------------------------------------
hmm, new entrys "EMU10K1 PCM Send "&"EMU10K1 PCM Send Routing". Now I hear
the sound from the tuner even when I exit the mythfrontend. I can deselet
the capture record box, but now it will not record sound with shows, or I
can mute the master and can not use it to watch prerecorded shows. I'm not
sure where to go from here, I'm seriously considering going back to Warty to
get a functing system. Would it be possible to get a working alsactr file?

other stuff::
Master backend using
Audio Dev = /dev/dsp
Mythfrontend using
Audio output device = ALSA:default #also tried /dev/dsp#
MixerDevice = default #also tried /dev/mixer#
Mixer Controls=PCM

$ lspci
0000:00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
(rev 03)
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133
AGP]
0000:00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super
South] (rev 40)
0000:00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:07.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1Controller (rev 1a)
0000:00:07.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
1.1Controller (rev 1a)
0000:00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
(rev 40)
0000:00:0e.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
0000:00:0e.1 Multimedia controller: Brooktree Corporation Bt878 Audio
Capture (rev 11)
0000:00:0f.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
0000:00:10.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1
(rev 08)
0000:00:10.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
(rev 08)
0000:01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX
440 AGP 8x] (rev c1)





--
David Foster
Bellingham WA
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