[mythtv-users] mythtv not showing video with Diamond PVR-550

[Krishna]

Hi,
I hope someone can help me. I have wasted lot of time on this. After all 
the effort, mythtv is still not showing the video.
I am using knoppmyth (latest one using kernel 2.6.18-chw-13 )
I can play video using xine like this:
cat /dev/video0 > /tmp/video.mpg &
xine /tmp/video.mpg
Here is what I get in mythbackend log (/var/log/mythtv/mythbackend
.log)
==============================
2007-06-02 08:12: 47.331 adding: rapti as a client (events: 0)
2007-06-02 08:12:47.332 MainServer::HandleAnnounce Monitor
2007-06-02 08:12:47.332 adding: rapti as a client (events: 1)
2007-06-02 08:12: 47.336 MainServer::HandleAnnounce Playback
2007-06-02 08:12:47.336 adding: rapti as a client (events: 0)
2007-06-02 08:12:47.338 TVRec(5): Changing from None to WatchingLiveTV
2007-06-02 08:12:47.340 TVRec(5): HW Tuner: 5->5
2007-06-02 08:12:47.580 NVR: Won't work with the streaming interface, 
falling back
VIDIOCGCHAN: Invalid argument
VIDIOCGMBUF:: Invalid argument
2007-06-02 08:13:27.591 TVRec(5): Changing from WatchingLiveTV to None
===============================

here how dmesg looks like:
ivtv:  ==================== START INIT IVTV ====================
ivtv:  version 0.10.1 (tagged release) loading
ivtv:  Linux version: 2.6.18-chw-13 SMP preempt mod_unload 586 gcc-4.1
ivtv:  In case of problems please include the debug info between
ivtv:  the START INIT IVTV and END INIT IVTV lines, along with
ivtv:  any module options, when mailing the ivtv-users mailinglist.
ivtv0: Autodetected Yuan PG600, Diamond PVR-550 card (cx23416 based)
ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
ivtv0: loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
ivtv0: Encoder revision: 0x02060039
tuner 0-0043: chip found @ 0x86 (ivtv i2c driver #0)
tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0)
cx25840 0-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
ivtv0: Registered device video0 for encoder MPEG (4 MB)
ivtv0: Registered device video32 for encoder YUV (2 MB)
ivtv0: Registered device vbi0 for encoder VBI (1 MB)
ivtv0: Registered device video24 for encoder PCM audio (1 MB)
ivtv0: Initialized Yuan PG600, Diamond PVR-550, card #0
ivtv:  ====================  END INIT IVTV  ====================

What I don't don't understand is that why I do not see MPEG Encoder in 
transcoders list despite this card having built in hardware encoder?
Here is the output of file command:
# file /tmp/video.mpg
/tmp/video.mpg: MPEG sequence, v2, program multiplex

Please Please Please bail me out!

Krishna
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