diff options
| author | Devin Heitmueller <dheitmueller@kernellabs.com> | 2009-11-25 03:17:25 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 19:10:32 +0100 |
| commit | 66d9cbad5330d6df30c82f10ee18b62b096b84ef (patch) | |
| tree | 47d42a16b56f43df1dc2a535188205e6fc929708 /drivers/media/video/em28xx/em28xx-vbi.c | |
| parent | V4L/DVB (13930): dib0700: rework IR logic for firmware 1.20 (diff) | |
| download | linux-66d9cbad5330d6df30c82f10ee18b62b096b84ef.tar.xz linux-66d9cbad5330d6df30c82f10ee18b62b096b84ef.zip | |
V4L/DVB (13932): em28xx: add PAL support for VBI
Make the VBI support work for PAL standards in addition to NTSC.
This work was sponsored by EyeMagnet Limited.
Thanks go out to Andy Walls for providing a CD containing test PAL/VBI captures
and to Steven Toth for providing a PVR-350 to do signal generation with.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-vbi.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-vbi.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/media/video/em28xx/em28xx-vbi.c b/drivers/media/video/em28xx/em28xx-vbi.c index 94943e5a1529..c7dce39823d8 100644 --- a/drivers/media/video/em28xx/em28xx-vbi.c +++ b/drivers/media/video/em28xx/em28xx-vbi.c @@ -71,7 +71,11 @@ free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) static int vbi_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) { - *size = 720 * 12 * 2; + struct em28xx_fh *fh = q->priv_data; + struct em28xx *dev = fh->dev; + + *size = dev->vbi_width * dev->vbi_height * 2; + if (0 == *count) *count = vbibufs; if (*count < 2) @@ -85,19 +89,18 @@ static int vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { + struct em28xx_fh *fh = q->priv_data; + struct em28xx *dev = fh->dev; struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); int rc = 0; - unsigned int size; - - size = 720 * 12 * 2; - buf->vb.size = size; + buf->vb.size = dev->vbi_width * dev->vbi_height * 2; if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) return -EINVAL; - buf->vb.width = 720; - buf->vb.height = 12; + buf->vb.width = dev->vbi_width; + buf->vb.height = dev->vbi_height; buf->vb.field = field; if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |