[mythtv-users] MythTV error with saa7134 series card

[Nate Thompson]

What version of ivtv are you using? I am experiencing atleast the prebuffer
errors with 0.1.10-pre1. I am in the process of patching 0.1.9 to allow me
to manually define the CardType so my Rev. 2 PVR-250 MCE card is recognized
properly. If you are using 0.1.10-pre1, maybe you should try to downgrade to
0.1.9.

Nate 

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Eric Hokanson
Sent: Tuesday, April 06, 2004 2:44 AM
To: mythtv-users at mythtv.org
Subject: [mythtv-users] MythTV error with saa7134 series card

Hello,

I've built a MythTV v0.14 system with an old dusty bt878a capture card I had
lying around and had it working great.  I decided to buy an ASUS TV FM card
with the saa7133 chip and replace the older bt878.  I patched and rebuilt
the kernel and modules and the card is detected fine on bootup.  It works
great under xawtv 3.91, with a great looking picture and excellent sound.
However when I try to watch TV in MythTV all I get is a black screen and
this printed on the console:
2004-04-04 08:06:14 mythfrontend version: 0.14.20040123-1 www.mythtv.org
2004-04-04 08:06:14 Enabled verbose msgs :all
2004-04-04 08:06:15 Registering Internal as a media playback plugin.
2004-04-04 08:06:15 Registering MythMusic Media Handler as a media handler
2004-04-04 08:06:18 Connecting to backend server: 127.0.0.1:6543 (try 1 of
5)
2004-04-04 08:06:18 20      MYTH_PROTO_VERSION 1
2004-04-04 08:06:18 Using protocol version 1
2004-04-04 08:06:18 21      ANN Playback mythtv 0
2004-04-04 08:06:18 17      GET_FREE_RECORDER
2004-04-04 08:06:18 20      MYTH_PROTO_VERSION 1
2004-04-04 08:06:18 20      MYTH_PROTO_VERSION 1
2004-04-04 08:06:18 Using protocol version 1
2004-04-04 08:06:18 21      ANN Playback mythtv 1
2004-04-04 08:06:18 Using protocol version 1
2004-04-04 08:06:18 21      ANN Playback mythtv 0
2004-04-04 08:06:18 44      QUERY_RECORDER 7[]:[]SETUP_RING_BUFFER[]:[]0
2004-04-04 08:06:18 21      ANN Playback mythtv 0
2004-04-04 08:06:18 23      ANN RingBuffer mythtv 7
2004-04-04 08:06:18 33      QUERY_RECORDER 7[]:[]SPAWN_LIVETV
2004-04-04 08:06:18 33      QUERY_RECORDER 7[]:[]IS_RECORDING
2004-04-04 08:06:18 34      QUERY_RECORDER 7[]:[]GET_FRAMERATE
2004-04-04 08:06:18 53      QUERY_RECORDER 
7[]:[]REQUEST_BLOCK_RINGBUF[]:[]...
2004-04-04 08:06:26 Read(): reqd=128000, rcvd=128000, rept=128000, error=0
2004-04-04 08:06:26 66      QUERY_RECORDER 
7[]:[]SEEK_RINGBUF[]:[]0[]:[]0[]...
2004-04-04 08:06:26 53      QUERY_RECORDER 
7[]:[]REQUEST_BLOCK_RINGBUF[]:[]...
2004-04-04 08:06:26 Read(): reqd=128000, rcvd=128000, rept=128000, error=0
2004-04-04 08:06:26 Estimated bitrate = 0
2004-04-04 08:06:26 68      QUERY_RECORDER 
7[]:[]SEEK_RINGBUF[]:[]0[]:[]596...
2004-04-04 08:06:26 Opening OSS audio device '/dev/dsp'.
2004-04-04 08:06:26 53      QUERY_RECORDER 
7[]:[]REQUEST_BLOCK_RINGBUF[]:[]...
2004-04-04 08:06:26 Over/underscan. V: 0, H: 0, XOff: 0, YOff: 0
2004-04-04 08:06:26 Using XV port 56
2004-04-04 08:06:26 Read(): reqd=128000, rcvd=128000, rept=128000, error=0
2004-04-04 08:06:26 53      QUERY_RECORDER 
7[]:[]REQUEST_BLOCK_RINGBUF[]:[]...
2004-04-04 08:06:27 waiting for prebuffer...
2004-04-04 08:06:27 Changing from None to WatchingLiveTV
2004-04-04 08:06:27 35      QUERY_RECORDER 7[]:[]FRONTEND_READY
2004-04-04 08:06:27 prebuffer wait timed out..
2004-04-04 08:06:27 waiting for prebuffer...
2004-04-04 08:06:27 prebuffer wait timed out..
2004-04-04 08:06:27 waiting for prebuffer...
2004-04-04 08:06:27 prebuffer wait timed out..
2004-04-04 08:06:27 waiting for prebuffer...
Audio buffer overflow, audio data lost!
Audio buffer overflow, audio data lost!
Audio buffer overflow, audio data lost!
Audio buffer overflow, audio data lost!
2004-04-04 08:06:27 prebuffer wait timed out..
2004-04-04 08:06:27 waiting for prebuffer...
Audio buffer overflow, audio data lost!
Audio buffer overflow, audio data lost!
...(continues forever, or at least several minutes)

This is the strange part as I have not touched the audio system at all and I
can get audio from xawtv.  I have tried both alsa and oss.  I can drop my
bt878a card back in and it all works great.  Reinsert the
saa7133 card and it errors out.  I've rerun myth setup, although everything
is the same, /dev/video0, etc.  I'm out of ideas, please help!

Eric


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