On Sun, 2009-07-19 at 06:22 +0530, Ravi A wrote: > > Andy Walls wrote: > >>> Hi Andy, > >>> > >>> With the latest patch, the MUX control becomes stable and the audio > >>> stays put with video standard changes! > >>> > >>> Now that the audio is stable, I notice some possible issue with the > >>> PLL VCO center frequency adjustment patch. Both e8fcd13e4ae7 and > >>> d7e1eb4b17d8 show some skips/gaps in both video and audio (Composite > >>> input). After 10 seconds of playing with mplayer the following is > >>> output - > >>> "Your system is too SLOW to play this! .. blah" > >>> and after another 10 seconds a continuous stream of "Too many video > >>> packets in the buffer: (4096 in 8007268 bytes)... blah" appear. > >>> Patches 82a264ea2784 and 7ea3e7b9a657 do not show this, both video and > >>> audio are smooth. > >>> > >> Oops. The CX23416 firmware seems to be assuming a crystal value of > >> 28.636363 MHz for the CX2584x, where the CX23418 firmware assumes a > >> crystal value of 28.636360 MHz for it's internal A/V decoder. > >> > >> (I wish they had both assumed the correct value of 28.63636363... MHz.) > >> > >> I'll have to get out my spreadsheet and recompute the values. I'll push > >> a patch tonight. I'll also try to test with my PVR-150 (but might not > >> get to testing it tonight). > >> > > > > Ravi, > > > > I have pushed a patch to > > > > http://linuxtv.org/hg/~awalls/ivtv > > > > to adjust the PLL values used for CX2584x audio and video to assume a > > crystal frequency of 28.636363 MHz is used. > > > > Please test to see if the choppiness goes away. > > > > Regards, > > Andy > > > > > > Hi Andy, > > Out of luck, this still behaves the same - video and audio skips/jumps, > and also the error messages are still there. > Let me know if you need me to check anything else on this.
Ok. I've pushed one more change to enable locking of the Aux PLL to the video PLL. If this doesn't work, I'll leave out all the cx25840 changes. Regards, Andy > Regards > Ravi > > > > _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
