[mythtv-users] video but no audio from recorded shows

[tech at gnuconsulting.com]

Hauppauge WinTV bt878-based pci.  If it helps, the tvaudio module *does*
load automatically.  In fact, here's the relevant dmesg output:

i2c-core.o: i2c core module
Linux video capture interface: v1.00
i2c-algo-bit.o: i2c bit algorithm module
bttv: driver version 0.7.108 loaded
bttv: using 4 buffers with 2080k (8320k total) for capture
bttv: Bt8xx card found (0).
PCI: Found IRQ 3 for device 00:0b.0
PCI: Sharing IRQ 3 with 00:07.2
PCI: Sharing IRQ 3 with 00:07.3
PCI: Sharing IRQ 3 with 00:0b.1
bttv0: Bt878 (rev 17) at 00:0b.0, irq: 3, latency: 32, mmio: 0xdd002000
bttv0: detected: Hauppauge WinTV [card=10], PCI subsystem ID is
0070:13eb
bttv0: using: Hauppauge (bt878) [card=10,autodetected]
bttv0: Hauppauge/Voodoo msp34xx: reset line init [5]
i2c-core.o: adapter bt848 #0 registered as adapter 0.
bttv0: Hauppauge eeprom: model=38101, tuner=Philips FI1236 MK2 (2),
radio=no
bttv0: using tuner=2
bttv0: i2c: checking for MSP34xx @ 0x80... not found
bttv0: i2c: checking for TDA9875 @ 0xb0... not found
bttv0: i2c: checking for TDA7432 @ 0x8a... not found
tvaudio: TV audio decoder + audio/video mux driver
tvaudio: known chips:
tda9840,tda9873h,tda9874h/a,tda9850,tda9855,tea6300,tea6420,tda8425,pic16c54
(PV951),ta8874z
i2c-core.o: driver generic i2c audio driver registered.
i2c-core.o: driver i2c TV tuner driver registered.
tuner: chip found @ 0xc2
tuner: type set to 2 (Philips NTSC (FI1236,FM1236 and compatibles))
i2c-core.o: client [Philips NTSC (FI1236,FM1236 and] registered to
adapter [bt848 #0](pos. 0).
bttv0: PLL: 28636363 => 35468950 .. ok
bttv0: registered device video0
bttv0: registered device vbi0


On Mon, Feb 23, 2004 at 12:03:04PM -0800, mmcconnell at uniserve.com wrote:
> What kind of capture card?
> 
> Quoting tech at gnuconsulting.com:
> 
> > I have jiggered it so that my machine doesn't lock up while recording
> > shows anymore (retrograding the kernel to 2.4.24 seems to have done the
> > trick, as that changes the drivers for video, audio, bttv, and the
> > kernel all at once).  Now, the problem is that when 'watching' live tv
> > (that's a joke, as it's unusable on my machine), I get both audio and
> > video.  And, when a scheduled recording goes off, I can hear the audio 
> > through my speakers (which is annoying, but not life threatening).  But,
> > when I go to watch a recorded show, I get nothing but silence.  I wanted
> > to test the file with mplayer to see if it was a myth playback thing vs. 
> > a myth recording thing but mlpayer doesn't recognize the file at all.
> > Neither does xine, for that matter.  I tried transcoding the file to mp4 
> > (I assume that's what the RTjpeg/MPEG4 selection in the transcoder's 
> > config was saying) by hitting X while watching (and the little 'transcoding 
> > queued' popped up, and I saw the transcoding binary in top), but after 
> > it finished the only file in my mythvids directory was the .nuv, still 
> > unrecognized by mplayer. 
> > 
> > How should I proceed? 
> > 
> > Setup:
> > front and backend on same machine
> > debian/sid
> > v 0.14 deb packages
> > 2.4.24
> > sb64
> > bt878
> > duron 750
> > 1.25GB ram
> > nvidia mx440 w/binary drivers
> > other needed info? just ask!
> > 
> > Thanks for all your help so far!
> > 
> > D.A.Bishop
> > 
> 
> 
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