Issue: cat /dev/video0 > test_capture.mpg results in an empty file
Ubuntu 6.10 (2.6.17.10-generic)
NVIDIA FX5200 (glx drivers)
PVR150
IVTV v.7.1
I have been scouring the web for the past two days trying to figure this
out.
What I've Done:
Started with fresh machine install (upgraded all, loaded generic kernel and
nvidia drivers)
Built IVTV drivers from source (no complaints)
Loaded firmware (tried both using the extract utility and downloading the
fimrware**.tar.gz file and copied it to /lib/firmware)
dmesg | grep ivtv
[17181280.252000] ivtv: ==================== START INIT IVTV
====================
[17181280.252000] ivtv: version 0.7.0 (tagged release) loading
[17181280.252000] ivtv: Linux version: 2.6.17-10-generic SMP mod_unload 586
REGPARM gcc-4.1
[17181280.252000] ivtv: In case of problems please include the debug info
between
[17181280.252000] ivtv: the START INIT IVTV and END INIT IVTV lines, along
with
[17181280.252000] ivtv: any module options, when mailing the ivtv-users
mailinglist.
[17181280.252000] ivtv0: Autodetected Hauppauge WinTV PVR-150 card (cx23416
based)
[17181280.308000] cx25840 1-0044: cx25841-23 found @ 0x88 (ivtv i2c driver
#0)
[17181283.416000] wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
[17181283.548000] tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
[17181284.440000] ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
[17181284.656000] ivtv0: Encoder revision: 0x02050032
[17181284.656000] ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768
buffers (4096KB total)
[17181284.656000] ivtv0: Allocate DMA encoder YUV stream: 194 x 10800
buffers (2048KB total)
[17181284.656000] ivtv0: Allocate DMA encoder VBI stream: 120 x 17472
buffers (2048KB total)
[17181284.660000] ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608
buffers (2048KB total)
[17181284.904000] ivtv0: Initialized Hauppauge WinTV PVR-150, card #0
[17181284.904000] ivtv: ==================== END INIT IVTV
====================
I also tried removing everything (ivtv related) and installing it using
module-assistant according to the ivtvdriver.org ubuntu guide
I thought it might have been hardware so I went out and bought a brand new
PVR150 card, still nothing.
I have had working setups using FC5 and UbuntuDapper, FC5 on the same
hardware, so I thought I would do fresh installs of each of those and try it
out.
Nope, both distros installed/loaded IVTV w/o complaint but cat video0 was
empty.
Now i'm back at a clean Edgy install and still no video.
Any ideas? Troubleshooting tips? Anything?
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