diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-streams.c')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-streams.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-streams.c b/linux/drivers/media/video/cx18/cx18-streams.c index 142302ba5..c134927b3 100644 --- a/linux/drivers/media/video/cx18/cx18-streams.c +++ b/linux/drivers/media/video/cx18/cx18-streams.c @@ -376,9 +376,14 @@ static void cx18_vbi_setup(struct cx18_stream *s) * Tell the encoder to capture 21-4+1=18 lines per field, * since we want lines 10 through 21. * - * FIXME - revisit for 625/50 systems + * For 625/50 systems, according to the VIP 2 & BT.656 std: + * The EAV RP code's Field bit toggles on line 1, a few lines + * after the Vertcal Blank bit has already toggled. + * (We've actually set the digitizer so that the Field bit + * toggles on line 2.) Tell the encoder to capture 23-2+1=22 + * lines per field, since we want lines 6 through 23. */ - lines = cx->is_60hz ? (21 - 4 + 1) * 2 : 38; + lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 2 + 1) * 2; } data[0] = s->handle; |