Hi all,
I've just confirmed that capturing at anything but 720x480 (NTSC) or
720x576 (PAL) and capturing VBI at the same time (for teletext or
closed captions) will produce bad video and bad VBI data on cards with
a cx25840 such as the PVR150 and 500. Cards with a saa7115 are not
affected.
Since MythTV for some reason captures by default at 480x480 I strongly
recommend you change that to 720x480 (720x576 for PAL/SECAM) if you
also want MythTV to process VBI for subtitles.
Since fixing the cx25840 setup is quite difficult due to the bad
Conexant datasheet and the workaround is simple I will not fix this for
the time being.
Note that this problem is only with sliced VBI, not with raw VBI.
Regards,
Hans
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