diff options
| author | Andy Walls <awalls@radix.net> | 2008-12-12 20:00:29 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:38:33 -0200 |
| commit | af009cf635141858642864a26602e379e97bf7d6 (patch) | |
| tree | ab533c73375ed26f2575efe5ba12a3b3f9b22d4c /drivers/media/video/cx18/cx18-streams.c | |
| parent | dd073434b5285121007860914a004320d644ee7e (diff) | |
V4L/DVB (9806): cx18: Enable raw VBI capture
A combined authorship patch from Hans Verkuil and Andy Walls. Raw
VBI can now be captured but requires a video capture to be in progress as well.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-streams.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index c87cd5369a4..985bad89f31 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -358,8 +358,7 @@ static void cx18_vbi_setup(struct cx18_stream *s) cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); /* determine number of lines and total number of VBI bytes. - A raw line takes 1443 bytes: 2 * 720 + 4 byte frame header - 1 - The '- 1' byte is probably an unused U or V byte. Or something... + A raw line takes 1444 bytes: 4 byte SAV code + 2 * 720 A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal header, 42 data bytes + checksum (to be confirmed) */ if (raw) { @@ -377,14 +376,15 @@ static void cx18_vbi_setup(struct cx18_stream *s) /* Lines per field */ data[1] = (lines / 2) | ((lines / 2) << 16); /* bytes per line */ - data[2] = (raw ? cx->vbi.raw_size : cx->vbi.sliced_size); + data[2] = (raw ? cx->vbi.raw_decoder_line_size + : cx->vbi.sliced_decoder_line_size); /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ data[3] = 1; /* Setup VBI for the cx25840 digitizer */ if (raw) { data[4] = 0x20602060; - data[5] = 0x30703070; + data[5] = 0x307090d0; } else { data[4] = 0xB0F0B0F0; data[5] = 0xA0E0A0E0; |