>I spent most of last night looking through the list archive and googling >but still can't make headway with my setup. If I missed something please >feel free to tell me to RTFM, as long as you point me to the FM. > >I'm setting up 0.18.2 on FC4 using an Nvidia 5200-based card and an >HD3000 with an OTA antenna. The system is an Athlon 1700+ with 512MB of >RAM and the latest FC4 kernel and nvidia drivers. > >I followed Jarod's FC how-to and I have myth installed and configured but >a couple of things are still wrong. After a reboot I have to manually >modprobe cx88-dvb then chmod /dev/dvb/adapter0/* so that the mythtv user >can read the video card. (The latest HD3000 firmware is being loaded.) >Once I do that, if I tell myth that the card is a standard v4l it'll pull >in stations but the quality is far worse than with a TV hooked up to the >same line. It won't let me do a channel scan when set as a standard v4l >card and the audio is often out of sync with the video. > >When I set the capture card type as dvb it'll do a channel scan and find >plenty of channels and they do come in very clearly, but they stutter a >lot even though the CPU load is only about .75 and there is at least 100MB >of free RAM.
Looks to me like you hd3000 is working just fine, at least in DVB mode. Your problems now are mythtv/video settings and audio card settings. A good way to test this is capture a video stream and play outside of myth, with mplayer or something, and you may notice the playback is fine. And, I feel yor pain. I have a new Nvidia 5200 card and I get the same stuttering, only within myth, even with low CPU usage (see my current e-mails since last night). Nobody has been able to help yet. I pop my ATI 9600 card in - and everything is perfect.
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