On Mon, 2007-08-20 at 21:44 +0200, Hans Verkuil wrote: > On Monday 20 August 2007 21:03:26 Johan van der kolk wrote: > > I recently built a system using Fedora 7 and IVTV 0.1.0 using a > > PVR-500 with the notorious Samsung tuner. > > > > > > > > I am trying to use mythtv as my TV application. It seems that either > > my tuner is off by quite a bit or my cable company is not using exact > > "Europe-west" frequencies. > > Cable companies rarely if ever use the Europe-west frequencies. It's > best to scan the whole frequency range explicitly. > > > The same tuner works fine under Mediaportal in Windows. (The > > frequency indicated in mediaportal is the exact frequency of the > > channel, so no offset) > > > > I'm now wondering if this is my card (but works fine under windows), > > an IVTV or a mythtv problem is. > > If anything it might be a kernel problem: the tuner code is part of the > kernel. > > > As the IVTV driver does not seem to pass information on signal > > strength (correct me if I'm wrong) > > Yes it does, although for TV the signal strength is either 0 or 65535. > > > it could be hard for an > > application on top of IVTV to perform some kind of Automatic fine > > tuning, or Automatic frequency control, maybe that is a problem. Of > > course the hardware may not even provide that info, but considering > > the card is OK under windows I assume the PVR500 does and mediaportal > > uses it. > > I'm not aware of any problems relating to frequencies. Which kernel > version do you use? > > Regards, > > Hans > Hi thanks for looking at this
dmesg | grep fedora Linux version 2.6.22.1-41.fc7 ([EMAIL PROTECTED]) (gcc version 4.1.2 20070502 (Red Hat 4.1.2-12)) #1 SMP Fri Jul 27 18:10:34 EDT 2007 [EMAIL PROTECTED] ~]$ dmesg | grep ivtv ivtv: ==================== START INIT IVTV ==================== ivtv: version 1.0.0 (2.6.22.1-41.fc7 SMP mod_unload 686 4KSTACKS ) loading ivtv0: Autodetected Hauppauge card (cx23416 based) ivtv0: loaded v4l-cx2341x-enc.fw firmware (4149164968 bytes) ivtv0: Encoder revision: 0x02060039 ivtv0: Autodetected WinTV PVR 500 (unit #1) tuner 1-0043: chip found @ 0x86 (ivtv i2c driver #0) tuner 1-0060: chip found @ 0xc0 (ivtv i2c driver #0) tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0) cx25840 1-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0) wm8775 1-001b: chip found @ 0x36 (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: Registered device radio0 for encoder radio ivtv0: Initialized WinTV PVR 500 (unit #1), card #0 ivtv: ====================== NEXT CARD ====================== ivtv1: Autodetected Hauppauge card (cx23416 based) ivtv1: loaded v4l-cx2341x-enc.fw firmware (4150166472 bytes) ivtv1: Encoder revision: 0x02060039 tuner 2-0043: chip found @ 0x86 (ivtv i2c driver #1) tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1) cx25840 2-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #1) wm8775 2-001b: chip found @ 0x36 (ivtv i2c driver #1) ivtv1: Correcting tveeprom data: no radio present on second unit ivtv1: Autodetected WinTV PVR 500 (unit #2) ivtv1: Registered device video1 for encoder MPEG (4 MB) ivtv1: Registered device video33 for encoder YUV (2 MB) ivtv1: Registered device vbi1 for encoder VBI (1 MB) ivtv1: Registered device video25 for encoder PCM audio (1 MB) ivtv1: Initialized WinTV PVR 500 (unit #2), card #1 ivtv: ==================== END INIT IVTV ==================== hope this tells you what you need to know regards, Johan > ____ > ___________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
