From 127ce5f0adcca71eeeed2386ed4742ea6363a063 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Wed, 11 Nov 2009 00:22:57 -0300 Subject: V4L/DVB (13432): cx18: Adjust encoder VBI MDL size to be exactly frame's worth of VBI data Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-streams.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/media/video/cx18/cx18-streams.c') diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 7755937fc521..c398651dd74c 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -515,6 +515,22 @@ static void cx18_stream_configure_mdls(struct cx18_stream *s) if (s->mdl_size % s->buf_size) s->bufs_per_mdl++; break; + case CX18_ENC_STREAM_TYPE_VBI: + s->bufs_per_mdl = 1; + if (cx18_raw_vbi(s->cx)) { + s->mdl_size = (s->cx->is_60hz ? 12 : 18) + * 2 * vbi_active_samples; + } else { + /* + * See comment in cx18_vbi_setup() below about the + * extra lines we capture in sliced VBI mode due to + * the lines on which EAV RP codes toggle. + */ + s->mdl_size = s->cx->is_60hz + ? (21 - 4 + 1) * 2 * vbi_hblank_samples_60Hz + : (23 - 2 + 1) * 2 * vbi_hblank_samples_50Hz; + } + break; default: s->bufs_per_mdl = 1; s->mdl_size = s->buf_size * s->bufs_per_mdl; -- cgit v1.2.3