Prior to running the mythtv backend process and after the output from ivtvctl -U is 'Video standard = 0x00003000' for both video0 and video1.
I tried adding 'options ivtv ntsc=m' to modprobe.conf however it throws an error with ivtv: Unknown parameter `ntsc' output to dmesg. Berant Hans Verkuil wrote: >>Well I've verified that mythtvsetup is set to use NTSC, I need to check >>the actual DB to make sure it's set appropriately there, however I'm >>leaning away from it being a Mythtv issue. >> >>I can stop the mythtv backend process, unload/reload the ivtv module, >>tune to a channel with ivtv-tune and test audio by checking the mute >>status ivtvctl -Y as well as doing cat /dev/video0 > test.mpg will not >>have audio but doing the same thing from /dev/video1 on the same channel >>will have audio. >> >>However both seem to be detecting the audio standard as EIAJ and the >>specified standard as NTSC-J. >> >>I looked last night for any ivtvctl or ivtv module options to force the >>audio standard, but had no luck. >> >>Can anyone point me in the right direction? >> >> > >You can force the TV standard using the ivtv ntsc=m module option, but >still it shouldn't be necessary. What does ivtvctl -U say before and after >running MythTV? > > Hans > > > >>Thanks! >>Berant >> >>Hans Verkuil wrote: >> >> >> >>>What application are you using to record or view or whatever? Check what >>>it thinks the TV standard is. I suspect it is set to V4L2_STD_NTSC_M_JP >>>instead of plain V4L2_STD_NTSC_M. >>> >>> Hans >>> >>> >>> >>> >>_______________________________________________ >>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 > > _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
