[mythtv-users] Debian, alsa - no sound with mythfrontend.
Matt Welland
matt at essentialgoods.com
Mon Aug 18 06:48:11 EDT 2003
On Monday 18 August 2003 01:34 pm, Greg Andrews wrote:
> Hi,
>
> I've been trying for a while to get sound working properly with my
> setup. I have an onboard intel sound chip, which seems to be working fine.
>
> Using xawtv, aplay /dev/dsp or /dev/dsp0 works fine, with the mentioned
> delay that is supposed to happen. But when using mythfrontend, no sound
> will come out through the system. I'm missing something, and it's
> driving me up the wall.
It is possible you have missed the same thing I missed - setting the recording
source. I used alsamixergui which I think makes it a little clearer what is
going on. Bring up the gui and make sure the red lights (the recording
source) are set on the Line In. This assumes that your TV card audio is
plugged into the Line In input on your sound card. Select CD Input or
whatever input you are actually using. I think the documentation makes a
noble attempt to explain this but it escaped me.
On the other hand you may have already figured this detail out and your
problem lies elsewhere! Good luck.
Matt
--
> I've had a look through the documentation, and the troubleshooting tips
> for sound, but I'm no wiser.
>
> Below is the output from the mythtv settings table, lsmod, and dmesg. If
> anyone is able to shed some light or make some suggestions, I'd be very
> grateful.
>
> Regards,
> Greg.
>
>
>
> Here is the output from lsmod:
> Module Size Used by Not tainted
> input 3648 0 (autoclean)
> tuner 10280 1 (autoclean)
> tvaudio 12836 0 (autoclean) (unused)
> bttv 68192 0
> videodev 6176 3 [bttv]
> i2c-algo-bit 7592 1 [bttv]
> i2c-core 13572 0 [tuner tvaudio bttv i2c-algo-bit]
> snd-seq-oss 29408 0 (unused)
> snd-seq-midi-event 2984 0 [snd-seq-oss]
> snd-seq 36496 2 [snd-seq-oss snd-seq-midi-event]
> snd-pcm-oss 39972 0
> snd-mixer-oss 13592 0 [snd-pcm-oss]
> snd-intel8x0 18212 0
> snd-pcm 60836 0 [snd-pcm-oss snd-intel8x0]
> snd-timer 14212 0 [snd-seq snd-pcm]
> snd-ac97-codec 39752 0 [snd-intel8x0]
> snd-page-alloc 5020 0 [snd-intel8x0 snd-pcm]
> snd-mpu401-uart 3296 0 [snd-intel8x0]
> snd-rawmidi 13312 0 [snd-mpu401-uart]
> snd-seq-device 4192 0 [snd-seq-oss snd-seq snd-rawmidi]
> snd 30244 0 [snd-seq-oss snd-seq-midi-event
> snd-seq snd-pcm-oss snd-mixer-oss snd-intel8x0 snd-pcm snd-timer
> snd-ac97-codec snd-mpu401-uart snd-rawmidi snd-seq-device]
> soundcore 3940 5 [bttv snd]
> 8139too 15752 1
> mii 2432 0 [8139too]
> af_packet 13640 0 (unused)
> rtc 6760 0 (autoclean)
> ext2 35360 2 (autoclean)
> ext3 64640 0 (autoclean)
> jbd 42148 0 (autoclean) [ext3]
> ide-disk 12608 3 (autoclean)
> ide-probe-mod 9840 0 (autoclean)
> ide-mod 169336 3 (autoclean) [ide-disk ide-probe-mod]
> unix 15276 39 (autoclean)
> myth:/etc#
>
> And this is dmesg (snipped the relevant stuff):
>
> intel8x0: clocking to 48000
> i2c-core.o: i2c core module
> i2c-algo-bit.o: i2c bit algorithm module
> Linux video capture interface: v1.00
> bttv: driver version 0.7.96 loaded
> bttv: using 4 buffers with 2080k (8320k total) for capture
> bttv: Host bridge is Intel Corp. 82815 815 Chipset Host Bridge and
> Memory Controller Hub
> bttv: Bt8xx card found (0).
> PCI: Found IRQ 5 for device 02:02.0
> PCI: Sharing IRQ 5 with 02:02.1
> bttv0: Bt878 (rev 17) at 02:02.0, irq: 5, latency: 32, mmio: 0xde100000
> bttv0: using: BT878(Prolink Pixelview PV-BT) [card=72,insmod option]
> i2c-core.o: adapter bt848 #0 registered as adapter 0.
> bttv0: using tuner=5
> 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,pic16c5
>4 (PV951)
> i2c-core.o: driver generic i2c audio driver registered.
> i2c-core.o: driver i2c TV tuner driver registered.
> tuner: probing bt848 #0 i2c adapter [id=0x10005]
> tuner: chip found @ 0xc2
> bttv0: i2c attach [client=Philips PAL_BG (FI1216 and compa,ok]
> i2c-core.o: client [Philips PAL_BG (FI1216 and compa] registered to
> adapter [bt848 #0](pos. 0).
> bttv0: registered device video0
> bttv0: registered device vbi0
> bttv0: registered device radio0
> eth0: Setting 100mbps full-duplex based on auto-negotiated partner
> ability 45e1.
> bttv0: PLL: 28636363 => 35468950 ... ok
>
> And the contents of the settings table in the mythdb:
> ---------------------------+--------------------+----------+
>
> | value | data | hostname |
>
> +---------------------------+--------------------+----------+
>
> | DBSchemaVer | 1000 | NULL |
> | BackendServerIP | 127.0.0.1 | myth |
> | BackendServerPort | 6543 | myth |
> | BackendStatusPort | 6544 | myth |
> | MasterServerIP | 127.0.0.1 | NULL |
> | MasterServerPort | 6543 | NULL |
> | RecordFilePrefix | /var/video | myth |
> | LiveBufferDir | /var/cache/mythtv/ | myth |
> | BufferSize | 2 | myth |
> | MaxBufferFill | 15 | myth |
> | MaxTranscoders | 0 | myth |
> | TranscoderUseCutlist | 0 | NULL |
> | TVFormat | PAL | NULL |
> | VbiFormat | None | NULL |
> | FreqTable | newzealand | NULL |
> | TimeOffset | | NULL |
> | MasterBackendOverride | 1 | NULL |
> | Deinterlace | 1 | myth |
> | ReduceJitter | 0 | myth |
> | ExperimentalAVSync | 0 | myth |
> | PlaybackExitPrompt | 0 | myth |
> | EndOfRecordingExitPrompt | 0 | myth |
> | FixedAspectRatio | 0 | myth |
> | FastForwardAmount | 30 | myth |
> | RewindAmount | 5 | myth |
> | StickyKeys | 0 | myth |
> | ExactSeeking | 0 | myth |
> | JumpAmount | 10 | myth |
> | AutoCommercialFlag | 1 | NULL |
> | CommercialSkipMethod | 1 | NULL |
> | AutoCommercialSkip | 0 | myth |
> | VertScanPercentage | 0 | myth |
> | HorizScanPercentage | 0 | myth |
> | XScanDisplacement | 0 | myth |
> | YScanDisplacement | 0 | myth |
> | OSDTheme | blueosd | myth |
> | OSDDisplayTime | 3 | myth |
> | OSDFont | FreeSans.ttf | myth |
> | OSDCCFont | FreeMono.ttf | myth |
> | DefaultCCMode | 0 | myth |
> | RecordPreRoll | 0 | myth |
> | RecordOverTime | 0 | myth |
> | PlayBoxOrdering | 1 | myth |
> | ChannelOrdering | channum + 0 | myth |
> | DisplayChanNum | 0 | myth |
> | GeneratePreviewPixmaps | 1 | myth |
> | PlaybackPreview | 0 | myth |
> | EPGFillType | 6 | myth |
> | EPGScrollType | 1 | myth |
> | EPGShowChannelIcon | 1 | myth |
> | chanPerPage | 5 | myth |
> | timePerPage | 4 | myth |
> | UnknownTitle | Unknown | myth |
> | UnknownCategory | Unknown | myth |
> | DefaultTVChannel | 3 | myth |
> | Theme | blue | myth |
> | RandomTheme | 0 | myth |
> | XineramaScreen | 0 | myth |
> | GuiWidth | 0 | myth |
> | GuiHeight | 0 | myth |
> | GuiOffsetX | 0 | myth |
> | GuiOffsetY | 0 | myth |
> | RunFrontendInWindow | 0 | myth |
> | Language | EN | myth |
> | DateFormat | ddd MMM d | myth |
> | ShortDateFormat | M/d | myth |
> | TimeFormat | h:mm AP | myth |
> | QtFontSmall | 12 | myth |
> | QtFontMedium | 16 | myth |
> | QtFontBig | 25 | myth |
> | PlayBoxTransparency | 1 | myth |
> | PlayBoxShading | 0 | myth |
> | AudioOutputDevice | /dev/dsp0 | myth |
> | AggressiveSoundcardBuffer | 0 | myth |
> | MythControlsVolume | 1 | myth |
> | MixerDevice | /dev/mixer | myth |
> | MixerControl | PCM | myth |
> | MasterMixerVolume | 90 | myth |
> | PCMMixerVolume | 90 | myth |
> | AllowQuitShutdown | 4 | myth |
> | HaltCommand | halt | myth |
> | RecordChanged | no | NULL |
>
> +---------------------------+--------------------+----------+
>
>
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--
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