I had to change the mplayer line from pal to ntsc, and that's all I 
changed, so I ran:

mplayer -demuxer rawvideo -rawvideo ntsc:format=hm12 /dev/video32

Earlier in the day, video appeared just fine in the mplayer window, but 
I checked it later on in the day and I got this weird image where 2/3s 
of the screen was used by the channel I wanted (I used ivtv-tune) and 
another channel took up a different 1/3. The exact same command that 
produced this produced a perfect image hours earlier. Here is a picture 
of what I'm talking about: http://chris.luethy.net/get_photo.php?id=670

Also, while this corrupt mplayer was running, I ran the v4l2-ctl 
--log-status command. Here is it's output:


Status Log:

   ivtv0: =================  START STATUS CARD #0  =================
   ivtv0: Version: 1.1.0 Card: WinTV PVR 500 (unit #1)
<4>ivtv0: All encoder YUV stream buffers are full. Dropping data.
<4>ivtv0: Cause: the application is not reading fast enough.
   tveeprom 1-0050: Hauppauge model 23552, rev D492, serial# 8023885
   tveeprom 1-0050: tuner model is Philips FQ1236A MK4 (idx 92, type 57)
   tveeprom 1-0050: TV standards NTSC(M) (eeprom 0x08)
   tveeprom 1-0050: second tuner model is Philips TEA5768HL FM Radio 
(idx 101, type 62)
   tveeprom 1-0050: audio processor is CX25843 (idx 37)
   tveeprom 1-0050: decoder processor is CX25843 (idx 30)
   tveeprom 1-0050: has radio, has no IR receiver, has no IR transmitter
   tda9887 1-0043: Data bytes: b=0xd4 c=0x30 e=0x44
   cx25840 1-0044: Video signal:              present
   cx25840 1-0044: Detected format:           NTSC-M
   cx25840 1-0044: Specified standard:        NTSC-M
   cx25840 1-0044: Specified video input:     Composite 7
   cx25840 1-0044: Specified audioclock freq: 48000 Hz
   cx25840 1-0044: Detected audio mode:       stereo
   cx25840 1-0044: Detected audio standard:   BTSC
   cx25840 1-0044: Audio muted:               no
   cx25840 1-0044: Audio microcontroller:     running
   cx25840 1-0044: Configured audio standard: automatic detection
   cx25840 1-0044: Configured audio system:   BTSC
   cx25840 1-0044: Specified audio input:     Tuner (In8)
   cx25840 1-0044: Preferred audio mode:      stereo
   wm8775 1-001b: Input: 2
   ivtv0: Video Input:  Tuner 1
   ivtv0: Audio Input:  Tuner 1
   ivtv0: Tuner:  TV
   ivtv0: Stream: MPEG-2 Program Stream
   ivtv0: VBI Format: Private packet, IVTV format
   ivtv0: Video:  480x480, 30 fps
   ivtv0: Video:  MPEG-2, 4x3, Variable Bitrate, 4500000, Peak 6000000
   ivtv0: Video:  GOP Size 15, 2 B-Frames, GOP Closure
   ivtv0: Audio:  48 kHz, Layer II, 384 kbps, Stereo, No Emphasis, No CRC
   ivtv0: Spatial Filter:  Manual, Luma 1D Horizontal, Chroma 1D 
Horizontal, 0
   ivtv0: Temporal Filter: Manual, 0
   ivtv0: Median Filter:   Off, Luma [0, 255], Chroma [0, 255]
   ivtv0: Status flags:    0x00200000
   ivtv0: Stream encoder MPG: status 0x0000, 0% of 4096 KiB (128 
buffers) in use
   ivtv0: Stream encoder YUV: status 0x0118, 98% of 2056 KiB (195 
buffers) in use
   ivtv0: Stream encoder VBI: status 0x0000, 0% of 1040 KiB (61 buffers) 
in use
   ivtv0: Stream encoder PCM: status 0x0000, 0% of 324 KiB (72 buffers) 
in use
   ivtv0: Read MPG/VBI: 13671132/58212 bytes
   ivtv0: ==================  END STATUS CARD #0  ==================

- Christopher Thielen

Hans Verkuil wrote:
> On Tuesday 21 August 2007 22:20:34 Christopher Thielen wrote:
>   
>> I switched to KnoppMyth a few days ago, and it had the needed
>> kernel-devel packages.
>>
>> This compiled and installed fine, and I rebooted the system but
>> unfortunately the problem persists.
>>
>> I should add that I believe the problem began after upgrading
>> software, so it's possible using my old firmware (which I no longer
>> have, but obtained around Oct. 2005) might solve the problem. Is this
>> likely a firmware issue? Is there a place to obtain old firmware for
>> the Hauppage PVR-500?
>>     
>
> Do this test first using mplayer:
>
> mplayer -demuxer rawvideo -rawvideo pal:format=hm12 /dev/video32
>
> Does this show the same problem with the image? If so, then I'd say it's 
> unlikely to be a firmware problem. You can get older firmwares here: 
> http://dl.ivtvdriver.org/ivtv/firmware, but you'll have to change the 
> IVTV_FW_ENC_SIZE define in ivtv-firmware.c to '(256*1024)' otherwise 
> the older firmware won't load.
>
> Can you also show me the output of 'v4l2-ctl --log-status'? Preferably 
> while capturing.
>
> Thanks,
>
>       Hans
>
>   


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