Hans Verkuil wrote: >> Hans Verkuil wrote: >>> On Thursday 16 August 2007 19:17:58 Yan-Fa Li wrote: >>>> Folks, >>>> >>>> I recently upgraded my kernel to 2.6.22 and combined this with Han's >>>> latest in driver scatter gather dma changes from the v4l repo and >>>> noticed that the tuner quality with the pvr 250 seems lower than >>>> before. It has a lot more noise in the picture, especially compared >>>> to the pvr 150 I have on the same splitter. >>>> >>>> Has anyone else noticed this with the 1.1.0 driver? I'm running >>>> mythtv 0.20 svn 14146. > > BTW: is it just the tuner? When you record from composite or S-Video-in, > do you see a similar drop in quality, or is it just the tuner? > > Regards, > > Hans > >
Sorry Hans, I've been busy at work. I'm only using the tuner, not comp or s-video. I'm running the V4L driver, here's from a fresh boot up this morning: Aug 30 08:07:01 mythbackend ivtv: Start initialization, version 1.1.0 Aug 30 08:07:01 mythbackend ivtv0: Initializing card #0 Aug 30 08:07:01 mythbackend ivtv0: Autodetected Hauppauge card (cx23416 based) Aug 30 08:07:01 mythbackend ivtv0: Unreasonably low latency timer, setting to 64 (was 32) Aug 30 08:07:01 mythbackend tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0) Aug 30 08:07:01 mythbackend ivtv0: Autodetected Hauppauge WinTV PVR-150 Aug 30 08:07:01 mythbackend cx25840 1-0044: cx25843-24 found @ 0x88 (ivtv i2c driver #0) Aug 30 08:07:01 mythbackend wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0) Aug 30 08:07:01 mythbackend ivtv0: Registered device video0 for encoder MPEG (32 MB) Aug 30 08:07:01 mythbackend ivtv0: Registered device video32 for encoder YUV (2 MB) Aug 30 08:07:01 mythbackend ivtv0: Registered device vbi0 for encoder VBI (8 MB) Aug 30 08:07:01 mythbackend ivtv0: Registered device video24 for encoder PCM audio (1 MB) Aug 30 08:07:01 mythbackend ivtv0: Initialized card #0: Hauppauge WinTV PVR-150 Aug 30 08:07:01 mythbackend ivtv1: Initializing card #1 Aug 30 08:07:01 mythbackend ivtv1: Autodetected Hauppauge card (cx23416 based) Aug 30 08:07:01 mythbackend ivtv1: Unreasonably low latency timer, setting to 64 (was 32) Aug 30 08:07:01 mythbackend tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1) Aug 30 08:07:01 mythbackend ivtv1: Autodetected Hauppauge WinTV PVR-250 Aug 30 08:07:01 mythbackend saa7115 2-0021: saa7115 found (1f7115d0e100000) @ 0x42 (ivtv i2c driver #1) Aug 30 08:07:01 mythbackend msp3400 2-0040: MSP4448G-A2 found @ 0x80 (ivtv i2c driver #1) Aug 30 08:07:01 mythbackend ivtv1: Registered device video1 for encoder MPEG (32 MB) Aug 30 08:07:01 mythbackend ivtv1: Registered device video33 for encoder YUV (2 MB) Aug 30 08:07:01 mythbackend ivtv1: Registered device vbi1 for encoder VBI (8 MB) Aug 30 08:07:01 mythbackend ivtv1: Registered device video25 for encoder PCM audio (1 MB) Aug 30 08:07:01 mythbackend ivtv1: Initialized card #1: Hauppauge WinTV PVR-250 Aug 30 08:07:01 mythbackend ivtv: End initialization Aug 30 08:07:23 mythbackend ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes) Aug 30 08:07:24 mythbackend ivtv0: Encoder revision: 0x02060039 Aug 30 08:07:28 mythbackend ivtv1: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes) Aug 30 08:07:28 mythbackend ivtv1: Encoder revision: 0x02060039 _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
