[mythtv] Help reproducing: Audio mismatch with multiple inputs

Matt Zimmerman mdz at debian.org
Tue Jun 24 00:12:50 EDT 2003


On Mon, Jun 23, 2003 at 07:43:29PM -0700, Bruce Markey wrote:

> Matt Zimmerman wrote:
> >I get the video from the S-video input, and the audio from the Television
> >input.  I can't think how this could be MythTV's fault, and I'm looking for
> >others who have a setup where they can try to reproduce this bug.  It could
> >be a bttv issue, so please include your hardware and kernel version if you
> >try, whether you succeed or fail.
> 
> After the same four steps, I get video from s-video and audio
> from the cable box RCA jacks to the line in on the capture card.
> I am not using btaudio.

I am not using btaudio, either, I should mention.  Also, cycling through the
inputs clears the problem.

> 
> : bjm at sleepy ; uname -a
> Linux sleepy 2.4.21 #1 Fri Jun 13 18:06:36 PDT 2003 i686 GNU/Linux

av at lime:~$ uname -r
2.4.19-lime-20030205

> : bjm at sleepy ; lspci -v -s 00:06.1
> 00:06.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture 
> (rev 11)
>         Subsystem: Avermedia Technologies Inc AVerTV WDM Audio Capture
>         Flags: bus master, medium devsel, latency 32, IRQ 17
>         Memory at e3000000 (32-bit, prefetchable) [size=4K]
>         Capabilities: <available only to root>

00:0d.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
        Subsystem: Hauppauge computer works Inc. WinTV/GO
        Flags: bus master, medium devsel, latency 64, IRQ 3
        Memory at cddfe000 (32-bit, prefetchable) [size=4K]
        Capabilities: <available only to root>

> : bjm at sleepy ; dmesg | grep bttv
> bttv: driver version 0.7.104 loaded
> bttv: using 8 buffers with 2080k (16640k total) for capture
> bttv: Host bridge is PCI device 1106:3116 (VIA Technologies, Inc.)
> bttv: Bt8xx card found (0).
> bttv0: Bt878 (rev 17) at 00:06.0, irq: 17, latency: 32, mmio: 0xe3002000
> bttv0: detected: AVerMedia TVCapture 98 [card=13], PCI subsystem ID is 
> 1461:0004bttv0: using: BT878(AVerMedia TVCapture 98) [card=13,autodetected]
> bttv0: Hauppauge/Voodoo msp34xx: reset line init [11]
> bttv0: Avermedia eeprom[0x4000]: tuner=2 radio:no remote control:no
> bttv0: using tuner=2
> bttv0: i2c: checking for MSP34xx @ 0x80... not found
> bttv0: i2c: checking for MSP34xx (alternate address) @ 0x88... not found
> bttv0: i2c: checking for TDA9875 @ 0xb0... not found
> bttv0: i2c: checking for TDA7432 @ 0x8a... not found
> bttv0: PLL: 28636363 => 35468950 .. ok
> bttv0: registered device video0
> bttv0: registered device vbi0
> bttv0: PLL can sleep, using XTAL (28636363).

bttv: driver version 0.7.91 loaded
bttv: using 4 buffers with 2080k (8320k total) for capture
bttv: Host bridge is Silicon Integrated Systems [SiS] 735 Host
bttv: Bt8xx card found (0).
bttv0: Bt878 (rev 17) at 00:0d.0, irq: 3, latency: 64, memory: 0xcddfe000
bttv0: detected: Hauppauge WinTV [card=10], PCI subsystem ID is 0070:13eb
bttv0: using: BT878(Hauppauge (bt878)) [card=10,autodetected]
bttv0: Hauppauge/Voodoo msp34xx: reset line init [5]
bttv0: Hauppauge eeprom: model=44371, tuner=Philips FM1236 (2), radio=yes
bttv0: i2c: checking for MSP34xx @ 0x80... found
bttv0: i2c attach [client=MSP3435G-B6,ok]
bttv0: i2c: checking for TDA9875 @ 0xb0... not found
bttv0: i2c: checking for TDA7432 @ 0x8a... not found
bttv0: i2c attach [client=Philips NTSC,ok]
bttv0: registered device video0
bttv0: registered device vbi0
bttv0: registered device radio0
bttv0: PLL: 28636363 => 35468950 ... ok
bttv0: PLL: switching off

I'll likely be upgrading the box to 2.4.21 once it hits Debian unstable,
then my setup will be quite similar to yours.

-- 
 - mdz


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