I think I've just realised what is causing this. No idea how to fix it yet but I'll try to think about it over the next few weeks. If you haven't done so already can you create a ticket for this issue.
Thanks John > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:ivtv-devel- > [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] > Sent: 14 November 2005 15:31 > To: Discussion list for development of the IVTV driver > Subject: Re: [ivtv-devel] XV frame drops while encoder is on... > > Does anyone else see this? Any info at all? (BTW in > the second paragraph first sentence, "decoder" should > be "encoder".) > > --- [EMAIL PROTECTED] wrote: > > > My setup is 2.4GHz P4 running SuSE, kernel 2.6.8-24, > > 1G RAM. I'm using ivtv 0.4.0 with a Hauppauge 350. > > I > > don't use the decoder output of the 350, I use the > > xv/yuv mode and the framebuffer for a headless > > MythTV > > 0.18.1 system. Video is NTSC, kernel deinterlacing. > > > > I am experiencing dropped (output) frames whenever > > the > > decoder is operating while I'm watching video. For > > example, if I'm watching a pre-recorded show and > > Myth > > is recording something in the background, every > > second > > or so a frame is dropped or perhaps two are shown in > > reverse. The same for simply watching Live TV > > through > > the ringbuffer. However, if I watch a recording > > while > > the encoder is doing nothing, then there is no > > problem. The video recordings are fine, it's just > > the > > playback that suffers while encoding is on. > > > > The visual effect is that of a sudden "jerk" in the > > image. This makes watching some things annoying, > > especially those videos with smoothly moving > > backdrops. > > > > I'm loading ivtv with the options "ivtv_dynbuf=0 > > mpg_buffers=8 yuv_fixup=1 ivtv_debug=1 > > dec_yuv_buffers=4 max_dec_yuv_buffers=8". The fixup > > stuff is because I was trying (unsuccessfully) to > > get > > Myth to read from the 350 as a raw frame grabber. > > > > Any help is much appreciated. > > > > _______________________________________________ > > ivtv-devel mailing list > > [email protected] > > http://ivtvdriver.org/mailman/listinfo/ivtv-devel > > > > > _______________________________________________ > ivtv-devel mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-devel _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
